^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * QLogic FCoE Offload Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2016-2018 Cavium Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/highmem.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/crc32.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/phylink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <scsi/libfc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <scsi/fc_frame.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/if_ether.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/if_vlan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/cpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "qedf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "qedf_dbg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <uapi/linux/pci_regs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) const struct qed_fcoe_ops *qed_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static int qedf_probe(struct pci_dev *pdev, const struct pci_device_id *id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static void qedf_remove(struct pci_dev *pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static void qedf_shutdown(struct pci_dev *pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static void qedf_schedule_recovery_handler(void *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static void qedf_recovery_handler(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * Driver module parameters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static unsigned int qedf_dev_loss_tmo = 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) module_param_named(dev_loss_tmo, qedf_dev_loss_tmo, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) MODULE_PARM_DESC(dev_loss_tmo, " dev_loss_tmo setting for attached "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) "remote ports (default 60)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) uint qedf_debug = QEDF_LOG_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) module_param_named(debug, qedf_debug, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) MODULE_PARM_DESC(debug, " Debug mask. Pass '1' to enable default debugging"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) " mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static uint qedf_fipvlan_retries = 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) module_param_named(fipvlan_retries, qedf_fipvlan_retries, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) MODULE_PARM_DESC(fipvlan_retries, " Number of FIP VLAN requests to attempt "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) "before giving up (default 60)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static uint qedf_fallback_vlan = QEDF_FALLBACK_VLAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) module_param_named(fallback_vlan, qedf_fallback_vlan, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MODULE_PARM_DESC(fallback_vlan, " VLAN ID to try if fip vlan request fails "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) "(default 1002).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static int qedf_default_prio = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) module_param_named(default_prio, qedf_default_prio, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) MODULE_PARM_DESC(default_prio, " Override 802.1q priority for FIP and FCoE"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) " traffic (value between 0 and 7, default 3).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) uint qedf_dump_frames;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) module_param_named(dump_frames, qedf_dump_frames, int, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) MODULE_PARM_DESC(dump_frames, " Print the skb data of FIP and FCoE frames "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) "(default off)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static uint qedf_queue_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) module_param_named(queue_depth, qedf_queue_depth, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) MODULE_PARM_DESC(queue_depth, " Sets the queue depth for all LUNs discovered "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) "by the qedf driver. Default is 0 (use OS default).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) uint qedf_io_tracing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) module_param_named(io_tracing, qedf_io_tracing, int, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MODULE_PARM_DESC(io_tracing, " Enable logging of SCSI requests/completions "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) "into trace buffer. (default off).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static uint qedf_max_lun = MAX_FIBRE_LUNS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) module_param_named(max_lun, qedf_max_lun, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) MODULE_PARM_DESC(max_lun, " Sets the maximum luns per target that the driver "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) "supports. (default 0xffffffff)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) uint qedf_link_down_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) module_param_named(link_down_tmo, qedf_link_down_tmo, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MODULE_PARM_DESC(link_down_tmo, " Delays informing the fcoe transport that the "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) "link is down by N seconds.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) bool qedf_retry_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) module_param_named(retry_delay, qedf_retry_delay, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) MODULE_PARM_DESC(retry_delay, " Enable/disable handling of FCP_RSP IU retry "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) "delay handling (default off).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static bool qedf_dcbx_no_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) module_param_named(dcbx_no_wait, qedf_dcbx_no_wait, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) MODULE_PARM_DESC(dcbx_no_wait, " Do not wait for DCBX convergence to start "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) "sending FIP VLAN requests on link up (Default: off).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static uint qedf_dp_module;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) module_param_named(dp_module, qedf_dp_module, uint, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) MODULE_PARM_DESC(dp_module, " bit flags control for verbose printk passed "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) "qed module during probe.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static uint qedf_dp_level = QED_LEVEL_NOTICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) module_param_named(dp_level, qedf_dp_level, uint, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) MODULE_PARM_DESC(dp_level, " printk verbosity control passed to qed module "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) "during probe (0-3: 0 more verbose).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static bool qedf_enable_recovery = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) module_param_named(enable_recovery, qedf_enable_recovery,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) MODULE_PARM_DESC(enable_recovery, "Enable/disable recovery on driver/firmware "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) "interface level errors 0 = Disabled, 1 = Enabled (Default: 1).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct workqueue_struct *qedf_io_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static struct fcoe_percpu_s qedf_global;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static DEFINE_SPINLOCK(qedf_global_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static struct kmem_cache *qedf_io_work_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int vlan_id_tmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) vlan_id_tmp = vlan_id | (qedf->prio << VLAN_PRIO_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) qedf->vlan_id = vlan_id_tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) "Setting vlan_id=0x%04x prio=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) vlan_id_tmp, qedf->prio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* Returns true if we have a valid vlan, false otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static bool qedf_initiate_fipvlan_req(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) while (qedf->fipvlan_retries--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* This is to catch if link goes down during fipvlan retries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) QEDF_ERR(&qedf->dbg_ctx, "Link not up.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) QEDF_ERR(&qedf->dbg_ctx, "Driver unloading.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (qedf->vlan_id > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) "vlan = 0x%x already set, calling ctlr_link_up.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) qedf->vlan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (atomic_read(&qedf->link_state) == QEDF_LINK_UP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) fcoe_ctlr_link_up(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) "Retry %d.\n", qedf->fipvlan_retries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) init_completion(&qedf->fipvlan_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) qedf_fcoe_send_vlan_req(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) wait_for_completion_timeout(&qedf->fipvlan_compl, 1 * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static void qedf_handle_link_update(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct qedf_ctx *qedf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) container_of(work, struct qedf_ctx, link_update.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Entered. link_state=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) atomic_read(&qedf->link_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (atomic_read(&qedf->link_state) == QEDF_LINK_UP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) rc = qedf_initiate_fipvlan_req(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) "Link is down, resetting vlan_id.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) qedf->vlan_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * If we get here then we never received a repsonse to our
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * fip vlan request so set the vlan_id to the default and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * tell FCoE that the link is up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) QEDF_WARN(&(qedf->dbg_ctx), "Did not receive FIP VLAN "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) "response, falling back to default VLAN %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) qedf_fallback_vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) qedf_set_vlan_id(qedf, qedf_fallback_vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * Zero out data_src_addr so we'll update it with the new
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * lport port_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) eth_zero_addr(qedf->data_src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) fcoe_ctlr_link_up(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) } else if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * If we hit here and link_down_tmo_valid is still 1 it means
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * that link_down_tmo timed out so set it to 0 to make sure any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * other readers have accurate state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) atomic_set(&qedf->link_down_tmo_valid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) "Calling fcoe_ctlr_link_down().\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) fcoe_ctlr_link_down(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (qedf_wait_for_upload(qedf) == false)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) "Could not upload all sessions.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* Reset the number of FIP VLAN retries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) qedf->fipvlan_retries = qedf_fipvlan_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #define QEDF_FCOE_MAC_METHOD_GRANGED_MAC 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #define QEDF_FCOE_MAC_METHOD_FCF_MAP 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #define QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static void qedf_set_data_src_addr(struct qedf_ctx *qedf, struct fc_frame *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u8 *granted_mac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) struct fc_frame_header *fh = fc_frame_header_get(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) u8 fc_map[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int method = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) /* Get granted MAC address from FIP FLOGI payload */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) granted_mac = fr_cb(fp)->granted_mac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * We set the source MAC for FCoE traffic based on the Granted MAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * address from the switch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * If granted_mac is non-zero, we used that.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * If the granted_mac is zeroed out, created the FCoE MAC based on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) * the sel_fcf->fc_map and the d_id fo the FLOGI frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * If sel_fcf->fc_map is 0 then we use the default FCF-MAC plus the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) * d_id of the FLOGI frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (!is_zero_ether_addr(granted_mac)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) ether_addr_copy(qedf->data_src_addr, granted_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) method = QEDF_FCOE_MAC_METHOD_GRANGED_MAC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) } else if (qedf->ctlr.sel_fcf->fc_map != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) hton24(fc_map, qedf->ctlr.sel_fcf->fc_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) qedf->data_src_addr[0] = fc_map[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) qedf->data_src_addr[1] = fc_map[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) qedf->data_src_addr[2] = fc_map[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) qedf->data_src_addr[3] = fh->fh_d_id[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) qedf->data_src_addr[4] = fh->fh_d_id[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) qedf->data_src_addr[5] = fh->fh_d_id[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) method = QEDF_FCOE_MAC_METHOD_FCF_MAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) fc_fcoe_set_mac(qedf->data_src_addr, fh->fh_d_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) method = QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) "QEDF data_src_mac=%pM method=%d.\n", qedf->data_src_addr, method);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static void qedf_flogi_resp(struct fc_seq *seq, struct fc_frame *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct fc_exch *exch = fc_seq_exch(seq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) struct fc_lport *lport = exch->lp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (!qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) QEDF_ERR(NULL, "qedf is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * If ERR_PTR is set then don't try to stat anything as it will cause
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * a crash when we access fp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (IS_ERR(fp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) "fp has IS_ERR() set.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) goto skip_stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /* Log stats for FLOGI reject */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (fc_frame_payload_op(fp) == ELS_LS_RJT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) qedf->flogi_failed++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) else if (fc_frame_payload_op(fp) == ELS_LS_ACC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* Set the source MAC we will use for FCoE traffic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) qedf_set_data_src_addr(qedf, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) qedf->flogi_pending = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /* Complete flogi_compl so we can proceed to sending ADISCs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) complete(&qedf->flogi_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) skip_stat:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /* Report response to libfc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) fc_lport_flogi_resp(seq, fp, lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) struct fc_frame *fp, unsigned int op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) void (*resp)(struct fc_seq *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct fc_frame *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) void *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) void *arg, u32 timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * Intercept FLOGI for statistic purposes. Note we use the resp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * callback to tell if this is really a flogi.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (resp == fc_lport_flogi_resp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) qedf->flogi_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) schedule_delayed_work(&qedf->stag_work, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) qedf->flogi_pending++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) arg, timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return fc_elsct_send(lport, did, fp, op, resp, arg, timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) int qedf_send_flogi(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct fc_frame *fp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (!lport->tt.elsct_send) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) QEDF_ERR(&qedf->dbg_ctx, "tt.elsct_send not set.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) fp = fc_frame_alloc(lport, sizeof(struct fc_els_flogi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (!fp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) QEDF_ERR(&(qedf->dbg_ctx), "fc_frame_alloc failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) "Sending FLOGI to reestablish session with switch.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) lport->tt.elsct_send(lport, FC_FID_FLOGI, fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ELS_FLOGI, qedf_flogi_resp, lport, lport->r_a_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) init_completion(&qedf->flogi_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) * This function is called if link_down_tmo is in use. If we get a link up and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * link_down_tmo has not expired then use just FLOGI/ADISC to recover our
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * sessions with targets. Otherwise, just call fcoe_ctlr_link_up().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static void qedf_link_recovery(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) struct qedf_ctx *qedf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) container_of(work, struct qedf_ctx, link_recovery.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) struct fc_lport *lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) struct fc_rport_priv *rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) bool rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) int retries = 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) int rval, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) struct list_head rdata_login_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) INIT_LIST_HEAD(&rdata_login_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) "Link down tmo did not expire.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) * Essentially reset the fcoe_ctlr here without affecting the state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * of the libfc structs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) qedf->ctlr.state = FIP_ST_LINK_WAIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) fcoe_ctlr_link_down(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * Bring the link up before we send the fipvlan request so libfcoe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) * can select a new fcf in parallel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) fcoe_ctlr_link_up(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) /* Since the link when down and up to verify which vlan we're on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) qedf->fipvlan_retries = qedf_fipvlan_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) rc = qedf_initiate_fipvlan_req(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /* If getting the VLAN fails, set the VLAN to the fallback one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) qedf_set_vlan_id(qedf, qedf_fallback_vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * We need to wait for an FCF to be selected due to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * fcoe_ctlr_link_up other the FLOGI will be rejected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) while (retries > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (qedf->ctlr.sel_fcf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) "FCF reselected, proceeding with FLOGI.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) msleep(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) retries--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (retries < 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) QEDF_ERR(&(qedf->dbg_ctx), "Exhausted retries waiting for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) "FCF selection.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) rval = qedf_send_flogi(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /* Wait for FLOGI completion before proceeding with sending ADISCs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) i = wait_for_completion_timeout(&qedf->flogi_compl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) qedf->lport->r_a_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (i == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) QEDF_ERR(&(qedf->dbg_ctx), "FLOGI timed out.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) * Call lport->tt.rport_login which will cause libfc to send an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) * ADISC since the rport is in state ready.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) mutex_lock(&lport->disc.disc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) list_for_each_entry_rcu(rdata, &lport->disc.rports, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (kref_get_unless_zero(&rdata->kref)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) fc_rport_login(rdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) kref_put(&rdata->kref, fc_rport_destroy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) mutex_unlock(&lport->disc.disc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static void qedf_update_link_speed(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) struct qed_link_output *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) __ETHTOOL_DECLARE_LINK_MODE_MASK(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct fc_lport *lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) lport->link_speed = FC_PORTSPEED_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) lport->link_supported_speeds = FC_PORTSPEED_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) /* Set fc_host link speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) switch (link->speed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) case 10000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) lport->link_speed = FC_PORTSPEED_10GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) case 25000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) lport->link_speed = FC_PORTSPEED_25GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) case 40000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) lport->link_speed = FC_PORTSPEED_40GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) case 50000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) lport->link_speed = FC_PORTSPEED_50GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) case 100000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) lport->link_speed = FC_PORTSPEED_100GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) case 20000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) lport->link_speed = FC_PORTSPEED_20GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) lport->link_speed = FC_PORTSPEED_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) * Set supported link speed by querying the supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) * capabilities of the link.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) phylink_set(sup_caps, 10000baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) phylink_set(sup_caps, 10000baseKX4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) phylink_set(sup_caps, 10000baseR_FEC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) phylink_set(sup_caps, 10000baseCR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) phylink_set(sup_caps, 10000baseSR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) phylink_set(sup_caps, 10000baseLR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) phylink_set(sup_caps, 10000baseLRM_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) phylink_set(sup_caps, 10000baseKR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) lport->link_supported_speeds |= FC_PORTSPEED_10GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) phylink_set(sup_caps, 25000baseKR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) phylink_set(sup_caps, 25000baseCR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) phylink_set(sup_caps, 25000baseSR_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) lport->link_supported_speeds |= FC_PORTSPEED_25GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) phylink_set(sup_caps, 40000baseLR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) phylink_set(sup_caps, 40000baseKR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) phylink_set(sup_caps, 40000baseCR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) phylink_set(sup_caps, 40000baseSR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) lport->link_supported_speeds |= FC_PORTSPEED_40GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) phylink_set(sup_caps, 50000baseKR2_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) phylink_set(sup_caps, 50000baseCR2_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) phylink_set(sup_caps, 50000baseSR2_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) lport->link_supported_speeds |= FC_PORTSPEED_50GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) phylink_set(sup_caps, 100000baseKR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) phylink_set(sup_caps, 100000baseSR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) phylink_set(sup_caps, 100000baseCR4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) phylink_set(sup_caps, 100000baseLR4_ER4_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) lport->link_supported_speeds |= FC_PORTSPEED_100GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) phylink_zero(sup_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) phylink_set(sup_caps, 20000baseKR2_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (linkmode_intersects(link->supported_caps, sup_caps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) lport->link_supported_speeds |= FC_PORTSPEED_20GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (lport->host && lport->host->shost_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) fc_host_supported_speeds(lport->host) =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) lport->link_supported_speeds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) static void qedf_bw_update(void *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) struct qedf_ctx *qedf = (struct qedf_ctx *)dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) struct qed_link_output link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) /* Get the latest status of the link */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) qed_ops->common->get_link(qedf->cdev, &link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) "Ignore link update, driver getting unload.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (link.link_up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) if (atomic_read(&qedf->link_state) == QEDF_LINK_UP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) qedf_update_link_speed(qedf, &link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) "Ignore bw update, link is down.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) QEDF_ERR(&qedf->dbg_ctx, "link_up is not set.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) static void qedf_link_update(void *dev, struct qed_link_output *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) struct qedf_ctx *qedf = (struct qedf_ctx *)dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) * Prevent race where we're removing the module and we get link update
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) * for qed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) "Ignore link update, driver getting unload.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) if (link->link_up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (atomic_read(&qedf->link_state) == QEDF_LINK_UP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) QEDF_INFO((&qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) "Ignoring link up event as link is already up.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) QEDF_ERR(&(qedf->dbg_ctx), "LINK UP (%d GB/s).\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) link->speed / 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) /* Cancel any pending link down work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) cancel_delayed_work(&qedf->link_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) atomic_set(&qedf->link_state, QEDF_LINK_UP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) qedf_update_link_speed(qedf, link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (atomic_read(&qedf->dcbx) == QEDF_DCBX_DONE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) qedf_dcbx_no_wait) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) "DCBx done.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (atomic_read(&qedf->link_down_tmo_valid) > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) queue_delayed_work(qedf->link_update_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) &qedf->link_recovery, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) queue_delayed_work(qedf->link_update_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) &qedf->link_update, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) atomic_set(&qedf->link_down_tmo_valid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) QEDF_ERR(&(qedf->dbg_ctx), "LINK DOWN.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) atomic_set(&qedf->dcbx, QEDF_DCBX_PENDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) * Flag that we're waiting for the link to come back up before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) * informing the fcoe layer of the event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) if (qedf_link_down_tmo > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) "Starting link down tmo.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) atomic_set(&qedf->link_down_tmo_valid, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) qedf->vlan_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) qedf_update_link_speed(qedf, link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) qedf_link_down_tmo * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) static void qedf_dcbx_handler(void *dev, struct qed_dcbx_get *get, u32 mib_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) struct qedf_ctx *qedf = (struct qedf_ctx *)dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) u8 tmp_prio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) QEDF_ERR(&(qedf->dbg_ctx), "DCBx event valid=%d enabled=%d fcoe "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) "prio=%d.\n", get->operational.valid, get->operational.enabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) get->operational.app_prio.fcoe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (get->operational.enabled && get->operational.valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) /* If DCBX was already negotiated on link up then just exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (atomic_read(&qedf->dcbx) == QEDF_DCBX_DONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) "DCBX already set on link up.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) atomic_set(&qedf->dcbx, QEDF_DCBX_DONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) * Set the 8021q priority in the following manner:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * 1. If a modparam is set use that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) * 2. If the value is not between 0..7 use the default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) * 3. Use the priority we get from the DCBX app tag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) tmp_prio = get->operational.app_prio.fcoe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) if (qedf_default_prio > -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) qedf->prio = qedf_default_prio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) else if (tmp_prio > 7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) "FIP/FCoE prio %d out of range, setting to %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) tmp_prio, QEDF_DEFAULT_PRIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) qedf->prio = QEDF_DEFAULT_PRIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) qedf->prio = tmp_prio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) if (atomic_read(&qedf->link_state) == QEDF_LINK_UP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) !qedf_dcbx_no_wait) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) if (atomic_read(&qedf->link_down_tmo_valid) > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) queue_delayed_work(qedf->link_update_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) &qedf->link_recovery, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) queue_delayed_work(qedf->link_update_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) &qedf->link_update, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) atomic_set(&qedf->link_down_tmo_valid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) static u32 qedf_get_login_failures(void *cookie)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) qedf = (struct qedf_ctx *)cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) return qedf->flogi_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static struct qed_fcoe_cb_ops qedf_cb_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) .link_update = qedf_link_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) .bw_update = qedf_bw_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) .schedule_recovery_handler = qedf_schedule_recovery_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) .dcbx_aen = qedf_dcbx_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) .get_generic_tlv_data = qedf_get_generic_tlv_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) .get_protocol_tlv_data = qedf_get_protocol_tlv_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) .schedule_hw_err_handler = qedf_schedule_hw_err_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) * Various transport templates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) static struct scsi_transport_template *qedf_fc_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) static struct scsi_transport_template *qedf_fc_vport_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) * SCSI EH handlers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) static int qedf_eh_abort(struct scsi_cmnd *sc_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) struct qedf_ioreq *io_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) struct fc_rport_libfc_priv *rp = rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) struct fc_rport_priv *rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) struct qedf_rport *fcport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) int rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) int wait_count = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) int refcount = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) int got_ref = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) lport = shost_priv(sc_cmd->device->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) qedf = (struct qedf_ctx *)lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) /* rport and tgt are allocated together, so tgt should be non-NULL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) fcport = (struct qedf_rport *)&rp[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) rdata = fcport->rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) if (!rdata || !kref_get_unless_zero(&rdata->kref)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) QEDF_ERR(&qedf->dbg_ctx, "stale rport, sc_cmd=%p\n", sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) io_req = (struct qedf_ioreq *)sc_cmd->SCp.ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) if (!io_req) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) "sc_cmd not queued with lld, sc_cmd=%p op=0x%02x, port_id=%06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) sc_cmd, sc_cmd->cmnd[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) rval = kref_get_unless_zero(&io_req->refcount); /* ID: 005 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) got_ref = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) /* If we got a valid io_req, confirm it belongs to this sc_cmd. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) if (!rval || io_req->sc_cmd != sc_cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) "Freed/Incorrect io_req, io_req->sc_cmd=%p, sc_cmd=%p, port_id=%06x, bailing out.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) io_req->sc_cmd, sc_cmd, rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) if (fc_remote_port_chkready(rport)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) refcount = kref_read(&io_req->refcount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) "rport not ready, io_req=%p, xid=0x%x sc_cmd=%p op=0x%02x, refcount=%d, port_id=%06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) io_req, io_req->xid, sc_cmd, sc_cmd->cmnd[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) refcount, rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) rc = fc_block_scsi_eh(sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) if (test_bit(QEDF_RPORT_UPLOADING_CONNECTION, &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) "Connection uploading, xid=0x%x., port_id=%06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) io_req->xid, rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) while (io_req->sc_cmd && (wait_count != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) wait_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) if (wait_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) QEDF_ERR(&qedf->dbg_ctx, "ABTS succeeded\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) QEDF_ERR(&qedf->dbg_ctx, "ABTS failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) if (lport->state != LPORT_ST_READY || !(lport->link_up)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) QEDF_ERR(&qedf->dbg_ctx, "link not ready.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) "Aborting io_req=%p sc_cmd=%p xid=0x%x fp_idx=%d, port_id=%06x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) io_req, sc_cmd, io_req->xid, io_req->fp_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) if (qedf->stop_io_on_error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) qedf_stop_all_io(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) init_completion(&io_req->abts_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) rval = qedf_initiate_abts(io_req, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) QEDF_ERR(&(qedf->dbg_ctx), "Failed to queue ABTS.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) * If we fail to queue the ABTS then return this command to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) * the SCSI layer as it will own and free the xid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) qedf_scsi_done(qedf, io_req, DID_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) goto drop_rdata_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) wait_for_completion(&io_req->abts_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) if (io_req->event == QEDF_IOREQ_EV_ABORT_SUCCESS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) io_req->event == QEDF_IOREQ_EV_ABORT_FAILED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) io_req->event == QEDF_IOREQ_EV_CLEANUP_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) * If we get a reponse to the abort this is success from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) * the perspective that all references to the command have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) * been removed from the driver and firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) /* If the abort and cleanup failed then return a failure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (rc == SUCCESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) QEDF_ERR(&(qedf->dbg_ctx), "ABTS succeeded, xid=0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) io_req->xid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) QEDF_ERR(&(qedf->dbg_ctx), "ABTS failed, xid=0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) io_req->xid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) drop_rdata_kref:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) kref_put(&rdata->kref, fc_rport_destroy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (got_ref)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) kref_put(&io_req->refcount, qedf_release_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) static int qedf_eh_target_reset(struct scsi_cmnd *sc_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) QEDF_ERR(NULL, "%d:0:%d:%lld: TARGET RESET Issued...",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) sc_cmd->device->host->host_no, sc_cmd->device->id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) sc_cmd->device->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) return qedf_initiate_tmf(sc_cmd, FCP_TMF_TGT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) static int qedf_eh_device_reset(struct scsi_cmnd *sc_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) QEDF_ERR(NULL, "%d:0:%d:%lld: LUN RESET Issued... ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) sc_cmd->device->host->host_no, sc_cmd->device->id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) sc_cmd->device->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) return qedf_initiate_tmf(sc_cmd, FCP_TMF_LUN_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) bool qedf_wait_for_upload(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) struct qedf_rport *fcport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) int wait_cnt = 120;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) while (wait_cnt--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) if (atomic_read(&qedf->num_offloads))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) "Waiting for all uploads to complete num_offloads = 0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) atomic_read(&qedf->num_offloads));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) msleep(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) list_for_each_entry_rcu(fcport, &qedf->fcports, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if (fcport && test_bit(QEDF_RPORT_SESSION_READY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) if (fcport->rdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) "Waiting for fcport %p portid=%06x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) fcport, fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) "Waiting for fcport %p.\n", fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) /* Performs soft reset of qedf_ctx by simulating a link down/up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) void qedf_ctx_soft_reset(struct fc_lport *lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) struct qed_link_output if_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) if (lport->vport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) QEDF_ERR(NULL, "Cannot issue host reset on NPIV port.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) qedf->flogi_pending = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) /* For host reset, essentially do a soft link up/down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) "Queuing link down work.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) if (qedf_wait_for_upload(qedf) == false) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) QEDF_ERR(&qedf->dbg_ctx, "Could not upload all sessions.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) WARN_ON(atomic_read(&qedf->num_offloads));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) /* Before setting link up query physical link state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) qed_ops->common->get_link(qedf->cdev, &if_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) /* Bail if the physical link is not up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) if (!if_link.link_up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) "Physical link is not up.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) /* Flush and wait to make sure link down is processed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) flush_delayed_work(&qedf->link_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) msleep(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) atomic_set(&qedf->link_state, QEDF_LINK_UP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) qedf->vlan_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) "Queue link up work.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) /* Reset the host by gracefully logging out and then logging back in */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) static int qedf_eh_host_reset(struct scsi_cmnd *sc_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) lport = shost_priv(sc_cmd->device->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) test_bit(QEDF_UNLOADING, &qedf->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) return FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) QEDF_ERR(&(qedf->dbg_ctx), "HOST RESET Issued...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) qedf_ctx_soft_reset(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) return SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) static int qedf_slave_configure(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) if (qedf_queue_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) scsi_change_queue_depth(sdev, qedf_queue_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) static struct scsi_host_template qedf_host_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) .name = QEDF_MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) .cmd_per_lun = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) .max_sectors = 0xffff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) .queuecommand = qedf_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) .shost_attrs = qedf_host_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) .eh_abort_handler = qedf_eh_abort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) .eh_device_reset_handler = qedf_eh_device_reset, /* lun reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) .eh_target_reset_handler = qedf_eh_target_reset, /* target reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) .eh_host_reset_handler = qedf_eh_host_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) .slave_configure = qedf_slave_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) .dma_boundary = QED_HW_DMA_BOUNDARY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) .sg_tablesize = QEDF_MAX_BDS_PER_CMD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) .can_queue = FCOE_PARAMS_NUM_TASKS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) .change_queue_depth = scsi_change_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) static int qedf_get_paged_crc_eof(struct sk_buff *skb, int tlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) spin_lock(&qedf_global_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) rc = fcoe_get_paged_crc_eof(skb, tlen, &qedf_global);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) spin_unlock(&qedf_global_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) static struct qedf_rport *qedf_fcport_lookup(struct qedf_ctx *qedf, u32 port_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) struct fc_rport_priv *rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) list_for_each_entry_rcu(fcport, &qedf->fcports, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) rdata = fcport->rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) if (rdata == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) if (rdata->ids.port_id == port_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) return fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) /* Return NULL to caller to let them know fcport was not found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) /* Transmits an ELS frame over an offloaded session */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) static int qedf_xmit_l2_frame(struct qedf_rport *fcport, struct fc_frame *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) struct fc_frame_header *fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) fh = fc_frame_header_get(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) if ((fh->fh_type == FC_TYPE_ELS) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) switch (fc_frame_payload_op(fp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) case ELS_ADISC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) qedf_send_adisc(fcport, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) * qedf_xmit - qedf FCoE frame transmit function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) struct fc_lport *base_lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) struct ethhdr *eh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) struct fcoe_crc_eof *cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) struct fc_frame_header *fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) struct fcoe_hdr *hp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) u8 sof, eof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) u32 crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) unsigned int hlen, tlen, elen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) int wlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) struct fc_stats *stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) struct fc_lport *tmp_lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) struct fc_lport *vn_port = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) u16 vlan_tci = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) qedf = (struct qedf_ctx *)lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) fh = fc_frame_header_get(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) skb = fp_skb(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) /* Filter out traffic to other NPIV ports on the same host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) if (lport->vport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) base_lport = shost_priv(vport_to_shost(lport->vport));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) base_lport = lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) /* Flag if the destination is the base port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) if (base_lport->port_id == ntoh24(fh->fh_d_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) vn_port = base_lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) /* Got through the list of vports attached to the base_lport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) * and see if we have a match with the destination address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) list_for_each_entry(tmp_lport, &base_lport->vports, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) if (tmp_lport->port_id == ntoh24(fh->fh_d_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) vn_port = tmp_lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) if (vn_port && ntoh24(fh->fh_d_id) != FC_FID_FLOGI) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) struct fc_rport_priv *rdata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) "Dropping FCoE frame to %06x.\n", ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) rdata = fc_rport_lookup(lport, ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) if (rdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) rdata->retries = lport->max_rport_retry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) kref_put(&rdata->kref, fc_rport_destroy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) /* End NPIV filtering */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) if (!qedf->ctlr.sel_fcf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) if (!test_bit(QEDF_LL2_STARTED, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) QEDF_WARN(&(qedf->dbg_ctx), "LL2 not started\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) QEDF_WARN(&(qedf->dbg_ctx), "qedf link down\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) if (fcoe_ctlr_els_send(&qedf->ctlr, lport, skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) /* Check to see if this needs to be sent on an offloaded session */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) fcport = qedf_fcport_lookup(qedf, ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) if (fcport && test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) rc = qedf_xmit_l2_frame(fcport, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) * If the frame was successfully sent over the middle path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) * then do not try to also send it over the LL2 path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) sof = fr_sof(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) eof = fr_eof(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) elen = sizeof(struct ethhdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) hlen = sizeof(struct fcoe_hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) tlen = sizeof(struct fcoe_crc_eof);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) skb->ip_summed = CHECKSUM_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) crc = fcoe_fc_crc(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) /* copy port crc and eof to the skb buff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) if (skb_is_nonlinear(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) skb_frag_t *frag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) if (qedf_get_paged_crc_eof(skb, tlen)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) cp = skb_put(skb, tlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) memset(cp, 0, sizeof(*cp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) cp->fcoe_eof = eof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) cp->fcoe_crc32 = cpu_to_le32(~crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) if (skb_is_nonlinear(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) kunmap_atomic(cp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) cp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) /* adjust skb network/transport offsets to match mac/fcoe/port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) skb_push(skb, elen + hlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) skb_reset_mac_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) skb_reset_network_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) skb->mac_len = elen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) skb->protocol = htons(ETH_P_FCOE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) * Add VLAN tag to non-offload FCoE frame based on current stored VLAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) * for FIP/FCoE traffic.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) /* fill up mac and fcoe headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) eh = eth_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) eh->h_proto = htons(ETH_P_FCOE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) if (qedf->ctlr.map_dest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) /* insert GW address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) ether_addr_copy(eh->h_dest, qedf->ctlr.dest_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) /* Set the source MAC address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) ether_addr_copy(eh->h_source, qedf->data_src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) hp = (struct fcoe_hdr *)(eh + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) memset(hp, 0, sizeof(*hp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) if (FC_FCOE_VER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) hp->fcoe_sof = sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) /*update tx stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) stats = per_cpu_ptr(lport->stats, get_cpu());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) stats->TxFrames++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) stats->TxWords += wlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) put_cpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) /* Get VLAN ID from skb for printing purposes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) __vlan_hwaccel_get_tag(skb, &vlan_tci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) /* send down to lld */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) fr_dev(fp) = lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FCoE frame send: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) "src=%06x dest=%06x r_ctl=%x type=%x vlan=%04x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) ntoh24(fh->fh_s_id), ntoh24(fh->fh_d_id), fh->fh_r_ctl, fh->fh_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) vlan_tci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) if (qedf_dump_frames)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) print_hex_dump(KERN_WARNING, "fcoe: ", DUMP_PREFIX_OFFSET, 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 1, skb->data, skb->len, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) rc = qed_ops->ll2->start_xmit(qedf->cdev, skb, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) QEDF_ERR(&qedf->dbg_ctx, "start_xmit failed rc = %d.\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) static int qedf_alloc_sq(struct qedf_ctx *qedf, struct qedf_rport *fcport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) u32 *pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) dma_addr_t page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) int num_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) /* Calculate appropriate queue and PBL sizes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) fcport->sq_mem_size = SQ_NUM_ENTRIES * sizeof(struct fcoe_wqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) fcport->sq_mem_size = ALIGN(fcport->sq_mem_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) fcport->sq_pbl_size = (fcport->sq_mem_size / QEDF_PAGE_SIZE) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) sizeof(void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) fcport->sq_pbl_size = fcport->sq_pbl_size + QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) fcport->sq = dma_alloc_coherent(&qedf->pdev->dev, fcport->sq_mem_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) &fcport->sq_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) if (!fcport->sq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate send queue.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) rval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) fcport->sq_pbl = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) fcport->sq_pbl_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) &fcport->sq_pbl_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) if (!fcport->sq_pbl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate send queue PBL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) rval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) goto out_free_sq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) /* Create PBL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) num_pages = fcport->sq_mem_size / QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) page = fcport->sq_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) pbl = (u32 *)fcport->sq_pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) while (num_pages--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) *pbl = U64_LO(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) pbl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) *pbl = U64_HI(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) pbl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) page += QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) out_free_sq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) dma_free_coherent(&qedf->pdev->dev, fcport->sq_mem_size, fcport->sq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) fcport->sq_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) static void qedf_free_sq(struct qedf_ctx *qedf, struct qedf_rport *fcport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) if (fcport->sq_pbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) dma_free_coherent(&qedf->pdev->dev, fcport->sq_pbl_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) fcport->sq_pbl, fcport->sq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) if (fcport->sq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) dma_free_coherent(&qedf->pdev->dev, fcport->sq_mem_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) fcport->sq, fcport->sq_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) static int qedf_offload_connection(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) struct qedf_rport *fcport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) struct qed_fcoe_params_offload conn_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) u32 port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) uint16_t total_sqe = (fcport->sq_mem_size / sizeof(struct fcoe_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "Offloading connection "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) "portid=%06x.\n", fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) rval = qed_ops->acquire_conn(qedf->cdev, &fcport->handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) &fcport->fw_cid, &fcport->p_doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) QEDF_WARN(&(qedf->dbg_ctx), "Could not acquire connection "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) "for portid=%06x.\n", fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) rval = 1; /* For some reason qed returns 0 on failure here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "portid=%06x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) "fw_cid=%08x handle=%d.\n", fcport->rdata->ids.port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) fcport->fw_cid, fcport->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) memset(&conn_info, 0, sizeof(struct qed_fcoe_params_offload));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) /* Fill in the offload connection info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) conn_info.sq_pbl_addr = fcport->sq_pbl_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) conn_info.sq_curr_page_addr = (dma_addr_t)(*(u64 *)fcport->sq_pbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) conn_info.sq_next_page_addr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) (dma_addr_t)(*(u64 *)(fcport->sq_pbl + 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) /* Need to use our FCoE MAC for the offload session */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) ether_addr_copy(conn_info.src_mac, qedf->data_src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) ether_addr_copy(conn_info.dst_mac, qedf->ctlr.dest_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) conn_info.tx_max_fc_pay_len = fcport->rdata->maxframe_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) conn_info.e_d_tov_timer_val = qedf->lport->e_d_tov;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) conn_info.rec_tov_timer_val = 3; /* I think this is what E3 was */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) conn_info.rx_max_fc_pay_len = fcport->rdata->maxframe_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) /* Set VLAN data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) conn_info.vlan_tag = qedf->vlan_id <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) FCOE_CONN_OFFLOAD_RAMROD_DATA_VLAN_ID_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) conn_info.vlan_tag |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) qedf->prio << FCOE_CONN_OFFLOAD_RAMROD_DATA_PRIORITY_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) conn_info.flags |= (FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_MASK <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) /* Set host port source id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) port_id = fc_host_port_id(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) fcport->sid = port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) conn_info.s_id.addr_hi = (port_id & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) conn_info.s_id.addr_mid = (port_id & 0x0000FF00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) conn_info.s_id.addr_lo = (port_id & 0x00FF0000) >> 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) conn_info.max_conc_seqs_c3 = fcport->rdata->max_seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) /* Set remote port destination id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) port_id = fcport->rdata->rport->port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) conn_info.d_id.addr_hi = (port_id & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) conn_info.d_id.addr_mid = (port_id & 0x0000FF00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) conn_info.d_id.addr_lo = (port_id & 0x00FF0000) >> 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) conn_info.def_q_idx = 0; /* Default index for send queue? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) /* Set FC-TAPE specific flags if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) if (fcport->dev_type == QEDF_RPORT_TYPE_TAPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) "Enable CONF, REC for portid=%06x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) conn_info.flags |= 1 <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONF_REQ_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) conn_info.flags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) ((fcport->rdata->sp_features & FC_SP_FT_SEQC) ? 1 : 0) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) FCOE_CONN_OFFLOAD_RAMROD_DATA_B_REC_VALID_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) rval = qed_ops->offload_conn(qedf->cdev, fcport->handle, &conn_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) QEDF_WARN(&(qedf->dbg_ctx), "Could not offload connection "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) "for portid=%06x.\n", fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) goto out_free_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "Offload "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) "succeeded portid=%06x total_sqe=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) fcport->rdata->ids.port_id, total_sqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) spin_lock_init(&fcport->rport_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) atomic_set(&fcport->free_sqes, total_sqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) out_free_conn:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) qed_ops->release_conn(qedf->cdev, fcport->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) #define QEDF_TERM_BUFF_SIZE 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) static void qedf_upload_connection(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) struct qedf_rport *fcport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) void *term_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) dma_addr_t term_params_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) /* Term params needs to be a DMA coherent buffer as qed shared the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) * physical DMA address with the firmware. The buffer may be used in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) * the receive path so we may eventually have to move this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) term_params = dma_alloc_coherent(&qedf->pdev->dev, QEDF_TERM_BUFF_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) &term_params_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "Uploading connection "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) "port_id=%06x.\n", fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) qed_ops->destroy_conn(qedf->cdev, fcport->handle, term_params_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) qed_ops->release_conn(qedf->cdev, fcport->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) dma_free_coherent(&qedf->pdev->dev, QEDF_TERM_BUFF_SIZE, term_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) term_params_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) static void qedf_cleanup_fcport(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) struct qedf_rport *fcport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) struct fc_rport_priv *rdata = fcport->rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "Cleaning up portid=%06x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) fcport->rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) /* Flush any remaining i/o's before we upload the connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) qedf_flush_active_ios(fcport, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) if (test_and_clear_bit(QEDF_RPORT_SESSION_READY, &fcport->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) qedf_upload_connection(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) qedf_free_sq(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) fcport->rdata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) fcport->qedf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) kref_put(&rdata->kref, fc_rport_destroy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) * This event_callback is called after successful completion of libfc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) * initiated target login. qedf can proceed with initiating the session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) * establishment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) static void qedf_rport_event_handler(struct fc_lport *lport,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) struct fc_rport_priv *rdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) enum fc_rport_event event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) struct fc_rport *rport = rdata->rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) struct fc_rport_libfc_priv *rp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) u32 port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "event = %d, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) "port_id = 0x%x\n", event, rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) case RPORT_EV_READY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) if (!rport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) QEDF_WARN(&(qedf->dbg_ctx), "rport is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) rp = rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) fcport = (struct qedf_rport *)&rp[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) fcport->qedf = qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) if (atomic_read(&qedf->num_offloads) >= QEDF_MAX_SESSIONS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) QEDF_ERR(&(qedf->dbg_ctx), "Not offloading "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) "portid=0x%x as max number of offloaded sessions "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) "reached.\n", rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) * Don't try to offload the session again. Can happen when we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) * get an ADISC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) if (test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) QEDF_WARN(&(qedf->dbg_ctx), "Session already "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) "offloaded, portid=0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) if (rport->port_id == FC_FID_DIR_SERV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) * qedf_rport structure doesn't exist for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) * directory server.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) * We should not come here, as lport will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) * take care of fabric login
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) QEDF_WARN(&(qedf->dbg_ctx), "rport struct does not "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) "exist for dir server port_id=%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) if (rdata->spp_type != FC_TYPE_FCP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) "Not offloading since spp type isn't FCP\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) if (!(rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) "Not FCP target so not offloading\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) /* Initial reference held on entry, so this can't fail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) kref_get(&rdata->kref);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) fcport->rdata = rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) fcport->rport = rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) rval = qedf_alloc_sq(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) qedf_cleanup_fcport(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) /* Set device type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) if (rdata->flags & FC_RP_FLAGS_RETRY &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) !(rdata->ids.roles & FC_RPORT_ROLE_FCP_INITIATOR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) fcport->dev_type = QEDF_RPORT_TYPE_TAPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) "portid=%06x is a TAPE device.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) rdata->ids.port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) fcport->dev_type = QEDF_RPORT_TYPE_DISK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) rval = qedf_offload_connection(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) qedf_cleanup_fcport(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) /* Add fcport to list of qedf_ctx list of offloaded ports */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) spin_lock_irqsave(&qedf->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) list_add_rcu(&fcport->peers, &qedf->fcports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) spin_unlock_irqrestore(&qedf->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) * Set the session ready bit to let everyone know that this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) * connection is ready for I/O
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) set_bit(QEDF_RPORT_SESSION_READY, &fcport->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) atomic_inc(&qedf->num_offloads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) case RPORT_EV_LOGO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) case RPORT_EV_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) case RPORT_EV_STOP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) port_id = rdata->ids.port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) if (port_id == FC_FID_DIR_SERV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) if (rdata->spp_type != FC_TYPE_FCP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) "No action since spp type isn't FCP\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) if (!(rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) "Not FCP target so no action\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) if (!rport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) "port_id=%x - rport notcreated Yet!!\n", port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) rp = rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) * Perform session upload. Note that rdata->peers is already
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) * removed from disc->rports list before we get this event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) fcport = (struct qedf_rport *)&rp[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) spin_lock_irqsave(&fcport->rport_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) /* Only free this fcport if it is offloaded already */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) if (test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) !test_bit(QEDF_RPORT_UPLOADING_CONNECTION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) set_bit(QEDF_RPORT_UPLOADING_CONNECTION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) &fcport->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) spin_unlock_irqrestore(&fcport->rport_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) qedf_cleanup_fcport(qedf, fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) * Remove fcport to list of qedf_ctx list of offloaded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) * ports
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) spin_lock_irqsave(&qedf->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) list_del_rcu(&fcport->peers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) spin_unlock_irqrestore(&qedf->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) clear_bit(QEDF_RPORT_UPLOADING_CONNECTION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) &fcport->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) atomic_dec(&qedf->num_offloads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) spin_unlock_irqrestore(&fcport->rport_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) case RPORT_EV_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) static void qedf_abort_io(struct fc_lport *lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) /* NO-OP but need to fill in the template */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) static void qedf_fcp_cleanup(struct fc_lport *lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) * NO-OP but need to fill in template to prevent a NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) * function pointer dereference during link down. I/Os
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) * will be flushed when port is uploaded.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) static struct libfc_function_template qedf_lport_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) .frame_send = qedf_xmit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) .fcp_abort_io = qedf_abort_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) .fcp_cleanup = qedf_fcp_cleanup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) .rport_event_callback = qedf_rport_event_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) .elsct_send = qedf_elsct_send,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) static void qedf_fcoe_ctlr_setup(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) fcoe_ctlr_init(&qedf->ctlr, FIP_MODE_AUTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) qedf->ctlr.send = qedf_fip_send;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) qedf->ctlr.get_src_addr = qedf_get_src_mac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) ether_addr_copy(qedf->ctlr.ctl_src_addr, qedf->mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) static void qedf_setup_fdmi(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) struct fc_lport *lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) u8 buf[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) int pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) uint32_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) * fdmi_enabled needs to be set for libfc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) * to execute FDMI registration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) lport->fdmi_enabled = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) * Setup the necessary fc_host attributes to that will be used to fill
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) * in the FDMI information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) /* Get the PCI-e Device Serial Number Capability */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) pos = pci_find_ext_capability(qedf->pdev, PCI_EXT_CAP_ID_DSN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) if (pos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) pos += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) for (i = 0; i < 8; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) pci_read_config_byte(qedf->pdev, pos + i, &buf[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) snprintf(fc_host_serial_number(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) FC_SERIAL_NUMBER_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) "%02X%02X%02X%02X%02X%02X%02X%02X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) buf[7], buf[6], buf[5], buf[4],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) buf[3], buf[2], buf[1], buf[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) snprintf(fc_host_serial_number(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) FC_SERIAL_NUMBER_SIZE, "Unknown");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) snprintf(fc_host_manufacturer(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) FC_SERIAL_NUMBER_SIZE, "%s", "Marvell Semiconductor Inc.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) if (qedf->pdev->device == QL45xxx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) snprintf(fc_host_model(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) FC_SYMBOLIC_NAME_SIZE, "%s", "QL45xxx");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) snprintf(fc_host_model_description(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) FC_SYMBOLIC_NAME_SIZE, "%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) "Marvell FastLinQ QL45xxx FCoE Adapter");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) if (qedf->pdev->device == QL41xxx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) snprintf(fc_host_model(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) FC_SYMBOLIC_NAME_SIZE, "%s", "QL41xxx");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) snprintf(fc_host_model_description(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) FC_SYMBOLIC_NAME_SIZE, "%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) "Marvell FastLinQ QL41xxx FCoE Adapter");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) snprintf(fc_host_hardware_version(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) FC_VERSION_STRING_SIZE, "Rev %d", qedf->pdev->revision);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) snprintf(fc_host_driver_version(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) FC_VERSION_STRING_SIZE, "%s", QEDF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) snprintf(fc_host_firmware_version(lport->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) FC_VERSION_STRING_SIZE, "%d.%d.%d.%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) FW_MAJOR_VERSION, FW_MINOR_VERSION, FW_REVISION_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) FW_ENGINEERING_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) static int qedf_lport_setup(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) struct fc_lport *lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) lport->link_up = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) lport->max_retry_count = QEDF_FLOGI_RETRY_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) lport->max_rport_retry_count = QEDF_RPORT_RETRY_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) lport->boot_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) lport->e_d_tov = 2 * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) lport->r_a_tov = 10 * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) /* Set NPIV support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) lport->does_npiv = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) fc_host_max_npiv_vports(lport->host) = QEDF_MAX_NPIV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) fc_set_wwnn(lport, qedf->wwnn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) fc_set_wwpn(lport, qedf->wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) if (fcoe_libfc_config(lport, &qedf->ctlr, &qedf_lport_template, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) "fcoe_libfc_config failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) /* Allocate the exchange manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) fc_exch_mgr_alloc(lport, FC_CLASS_3, FCOE_PARAMS_NUM_TASKS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 0xfffe, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) if (fc_lport_init_stats(lport))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) /* Finish lport config */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) fc_lport_config(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) /* Set max frame size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) fc_set_mfs(lport, QEDF_MFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) fc_host_maxframe_size(lport->host) = lport->mfs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) /* Set default dev_loss_tmo based on module parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) fc_host_dev_loss_tmo(lport->host) = qedf_dev_loss_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) /* Set symbolic node name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) if (qedf->pdev->device == QL45xxx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) snprintf(fc_host_symbolic_name(lport->host), 256,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) "Marvell FastLinQ 45xxx FCoE v%s", QEDF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) if (qedf->pdev->device == QL41xxx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) snprintf(fc_host_symbolic_name(lport->host), 256,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) "Marvell FastLinQ 41xxx FCoE v%s", QEDF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) qedf_setup_fdmi(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) * NPIV functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) static int qedf_vport_libfc_config(struct fc_vport *vport,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) struct fc_lport *lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) lport->link_up = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) lport->qfull = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) lport->max_retry_count = QEDF_FLOGI_RETRY_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) lport->max_rport_retry_count = QEDF_RPORT_RETRY_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) lport->boot_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) lport->e_d_tov = 2 * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) lport->r_a_tov = 10 * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) lport->does_npiv = 1; /* Temporary until we add NPIV support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) /* Allocate stats for vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) if (fc_lport_init_stats(lport))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) /* Finish lport config */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) fc_lport_config(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) /* offload related configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) lport->crc_offload = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) lport->seq_offload = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) lport->lro_enabled = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) lport->lro_xid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) lport->lso_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) static int qedf_vport_create(struct fc_vport *vport, bool disabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) struct Scsi_Host *shost = vport_to_shost(vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) struct fc_lport *n_port = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) struct fc_lport *vn_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) struct qedf_ctx *base_qedf = lport_priv(n_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) struct qedf_ctx *vport_qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) char buf[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) rc = fcoe_validate_vport_create(vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) QEDF_WARN(&(base_qedf->dbg_ctx), "Failed to create vport, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) "WWPN (0x%s) already exists.\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) if (atomic_read(&base_qedf->link_state) != QEDF_LINK_UP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) QEDF_WARN(&(base_qedf->dbg_ctx), "Cannot create vport "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) "because link is not up.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) vn_port = libfc_vport_create(vport, sizeof(struct qedf_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) if (!vn_port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) QEDF_WARN(&(base_qedf->dbg_ctx), "Could not create lport "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) "for vport.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) QEDF_ERR(&(base_qedf->dbg_ctx), "Creating NPIV port, WWPN=%s.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) /* Copy some fields from base_qedf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) vport_qedf = lport_priv(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) memcpy(vport_qedf, base_qedf, sizeof(struct qedf_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) /* Set qedf data specific to this vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) vport_qedf->lport = vn_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) /* Use same hba_lock as base_qedf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) vport_qedf->hba_lock = base_qedf->hba_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) vport_qedf->pdev = base_qedf->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) vport_qedf->cmd_mgr = base_qedf->cmd_mgr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) init_completion(&vport_qedf->flogi_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) INIT_LIST_HEAD(&vport_qedf->fcports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) INIT_DELAYED_WORK(&vport_qedf->stag_work, qedf_stag_change_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) rc = qedf_vport_libfc_config(vport, vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) QEDF_ERR(&(base_qedf->dbg_ctx), "Could not allocate memory "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) "for lport stats.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) fc_set_wwnn(vn_port, vport->node_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) fc_set_wwpn(vn_port, vport->port_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) vport_qedf->wwnn = vn_port->wwnn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) vport_qedf->wwpn = vn_port->wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) vn_port->host->transportt = qedf_fc_vport_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) vn_port->host->can_queue = FCOE_PARAMS_NUM_TASKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) vn_port->host->max_lun = qedf_max_lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) vn_port->host->sg_tablesize = QEDF_MAX_BDS_PER_CMD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) vn_port->host->max_cmd_len = QEDF_MAX_CDB_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) rc = scsi_add_host(vn_port->host, &vport->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) QEDF_WARN(&base_qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) "Error adding Scsi_Host rc=0x%x.\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) /* Set default dev_loss_tmo based on module parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) fc_host_dev_loss_tmo(vn_port->host) = qedf_dev_loss_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) /* Init libfc stuffs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) memcpy(&vn_port->tt, &qedf_lport_template,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) sizeof(qedf_lport_template));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) fc_exch_init(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) fc_elsct_init(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) fc_lport_init(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) fc_disc_init(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) fc_disc_config(vn_port, vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) /* Allocate the exchange manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) shost = vport_to_shost(vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) n_port = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) fc_exch_mgr_list_clone(n_port, vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) /* Set max frame size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) fc_set_mfs(vn_port, QEDF_MFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) fc_host_port_type(vn_port->host) = FC_PORTTYPE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) if (disabled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) fc_vport_set_state(vport, FC_VPORT_DISABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) vn_port->boot_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) fc_fabric_login(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) fc_vport_setlink(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) QEDF_INFO(&(base_qedf->dbg_ctx), QEDF_LOG_NPIV, "vn_port=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) /* Set up debug context for vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) vport_qedf->dbg_ctx.host_no = vn_port->host->host_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) vport_qedf->dbg_ctx.pdev = base_qedf->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) scsi_host_put(vn_port->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) static int qedf_vport_destroy(struct fc_vport *vport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) struct Scsi_Host *shost = vport_to_shost(vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) struct fc_lport *n_port = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) struct fc_lport *vn_port = vport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) struct qedf_ctx *qedf = lport_priv(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) if (!qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) QEDF_ERR(NULL, "qedf is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) /* Set unloading bit on vport qedf_ctx to prevent more I/O */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) set_bit(QEDF_UNLOADING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) mutex_lock(&n_port->lp_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) list_del(&vn_port->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) mutex_unlock(&n_port->lp_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) fc_fabric_logoff(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) fc_lport_destroy(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) /* Detach from scsi-ml */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) fc_remove_host(vn_port->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) scsi_remove_host(vn_port->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) * Only try to release the exchange manager if the vn_port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) * configuration is complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) if (vn_port->state == LPORT_ST_READY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) fc_exch_mgr_free(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) /* Free memory used by statistical counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) fc_lport_free_stats(vn_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) /* Release Scsi_Host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) scsi_host_put(vn_port->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) static int qedf_vport_disable(struct fc_vport *vport, bool disable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) struct fc_lport *lport = vport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) if (disable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) fc_vport_set_state(vport, FC_VPORT_DISABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) fc_fabric_logoff(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) lport->boot_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) fc_fabric_login(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) fc_vport_setlink(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) * During removal we need to wait for all the vports associated with a port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) * to be destroyed so we avoid a race condition where libfc is still trying
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) * to reap vports while the driver remove function has already reaped the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) * driver contexts associated with the physical port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) static void qedf_wait_for_vport_destroy(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) struct fc_host_attrs *fc_host = shost_to_fc_host(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_NPIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) "Entered.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) while (fc_host->npiv_vports_inuse > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_NPIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) "Waiting for all vports to be reaped.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) msleep(1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) * qedf_fcoe_reset - Resets the fcoe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) * @shost: shost the reset is from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) * Returns: always 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) static int qedf_fcoe_reset(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) struct fc_lport *lport = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) qedf_ctx_soft_reset(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) static void qedf_get_host_port_id(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) struct fc_lport *lport = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) fc_host_port_id(shost) = lport->port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) static struct fc_host_statistics *qedf_fc_get_host_stats(struct Scsi_Host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) struct fc_host_statistics *qedf_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) struct fc_lport *lport = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) struct qed_fcoe_stats *fw_fcoe_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) qedf_stats = fc_get_host_stats(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) /* We don't collect offload stats for specific NPIV ports */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) if (lport->vport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) fw_fcoe_stats = kmalloc(sizeof(struct qed_fcoe_stats), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) if (!fw_fcoe_stats) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate memory for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) "fw_fcoe_stats.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) mutex_lock(&qedf->stats_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) /* Query firmware for offload stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) qed_ops->get_stats(qedf->cdev, fw_fcoe_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) * The expectation is that we add our offload stats to the stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) * being maintained by libfc each time the fc_get_host_status callback
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) * is invoked. The additions are not carried over for each call to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) * the fc_get_host_stats callback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) qedf_stats->tx_frames += fw_fcoe_stats->fcoe_tx_data_pkt_cnt +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) fw_fcoe_stats->fcoe_tx_xfer_pkt_cnt +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) fw_fcoe_stats->fcoe_tx_other_pkt_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) qedf_stats->rx_frames += fw_fcoe_stats->fcoe_rx_data_pkt_cnt +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) fw_fcoe_stats->fcoe_rx_xfer_pkt_cnt +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) fw_fcoe_stats->fcoe_rx_other_pkt_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) qedf_stats->fcp_input_megabytes +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) do_div(fw_fcoe_stats->fcoe_rx_byte_cnt, 1000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) qedf_stats->fcp_output_megabytes +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) do_div(fw_fcoe_stats->fcoe_tx_byte_cnt, 1000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) qedf_stats->rx_words += fw_fcoe_stats->fcoe_rx_byte_cnt / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) qedf_stats->tx_words += fw_fcoe_stats->fcoe_tx_byte_cnt / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) qedf_stats->invalid_crc_count +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) fw_fcoe_stats->fcoe_silent_drop_pkt_crc_error_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) qedf_stats->dumped_frames =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) fw_fcoe_stats->fcoe_silent_drop_total_pkt_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) qedf_stats->error_frames +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) fw_fcoe_stats->fcoe_silent_drop_total_pkt_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) qedf_stats->fcp_input_requests += qedf->input_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) qedf_stats->fcp_output_requests += qedf->output_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) qedf_stats->fcp_control_requests += qedf->control_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) qedf_stats->fcp_packet_aborts += qedf->packet_aborts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) qedf_stats->fcp_frame_alloc_failures += qedf->alloc_failures;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) mutex_unlock(&qedf->stats_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) kfree(fw_fcoe_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) return qedf_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) static struct fc_function_template qedf_fc_transport_fn = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) .show_host_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) .show_host_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) .show_host_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) .show_host_supported_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) .show_host_active_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) .show_host_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) .get_host_port_id = qedf_get_host_port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) .show_host_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) .show_host_supported_speeds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) .get_host_speed = fc_get_host_speed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) .show_host_speed = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) .show_host_port_type = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) .get_host_port_state = fc_get_host_port_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) .show_host_port_state = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) .show_host_symbolic_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) * Tell FC transport to allocate enough space to store the backpointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) * for the associate qedf_rport struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) sizeof(struct qedf_rport)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) .show_rport_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) .show_rport_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) .show_host_fabric_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) .show_starget_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) .show_starget_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) .show_starget_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) .show_rport_dev_loss_tmo = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) .get_fc_host_stats = qedf_fc_get_host_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) .issue_fc_host_lip = qedf_fcoe_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) .vport_create = qedf_vport_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) .vport_delete = qedf_vport_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) .vport_disable = qedf_vport_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) .bsg_request = fc_lport_bsg_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) static struct fc_function_template qedf_fc_vport_transport_fn = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) .show_host_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) .show_host_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) .show_host_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) .show_host_supported_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) .show_host_active_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) .show_host_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) .show_host_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) .show_host_supported_speeds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) .get_host_speed = fc_get_host_speed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) .show_host_speed = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) .show_host_port_type = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) .get_host_port_state = fc_get_host_port_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) .show_host_port_state = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) .show_host_symbolic_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) sizeof(struct qedf_rport)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) .show_rport_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) .show_rport_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) .show_host_fabric_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) .show_starget_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) .show_starget_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) .show_starget_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) .show_rport_dev_loss_tmo = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) .get_fc_host_stats = fc_get_host_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) .issue_fc_host_lip = qedf_fcoe_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) .bsg_request = fc_lport_bsg_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) static bool qedf_fp_has_work(struct qedf_fastpath *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) struct qedf_ctx *qedf = fp->qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) struct global_queue *que;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) struct qed_sb_info *sb_info = fp->sb_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) struct status_block_e4 *sb = sb_info->sb_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) u16 prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) /* Get the pointer to the global CQ this completion is on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) que = qedf->global_queues[fp->sb_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) /* Be sure all responses have been written to PI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) rmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) /* Get the current firmware producer index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) prod_idx = sb->pi_array[QEDF_FCOE_PARAMS_GL_RQ_PI];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) return (que->cq_prod_idx != prod_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) * Interrupt handler code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) /* Process completion queue and copy CQE contents for deferred processesing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) * Return true if we should wake the I/O thread, false if not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) static bool qedf_process_completions(struct qedf_fastpath *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) struct qedf_ctx *qedf = fp->qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) struct qed_sb_info *sb_info = fp->sb_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) struct status_block_e4 *sb = sb_info->sb_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) struct global_queue *que;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) u16 prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) struct fcoe_cqe *cqe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) struct qedf_io_work *io_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) int num_handled = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) unsigned int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) struct qedf_ioreq *io_req = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) u16 xid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) u16 new_cqes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) u32 comp_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) /* Get the current firmware producer index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) prod_idx = sb->pi_array[QEDF_FCOE_PARAMS_GL_RQ_PI];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) /* Get the pointer to the global CQ this completion is on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) que = qedf->global_queues[fp->sb_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) /* Calculate the amount of new elements since last processing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) new_cqes = (prod_idx >= que->cq_prod_idx) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) (prod_idx - que->cq_prod_idx) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 0x10000 - que->cq_prod_idx + prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) /* Save producer index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) que->cq_prod_idx = prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) while (new_cqes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) fp->completions++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) num_handled++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) cqe = &que->cq[que->cq_cons_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) comp_type = (cqe->cqe_data >> FCOE_CQE_CQE_TYPE_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) FCOE_CQE_CQE_TYPE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) * Process unsolicited CQEs directly in the interrupt handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) * sine we need the fastpath ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) if (comp_type == FCOE_UNSOLIC_CQE_TYPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_UNSOL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) "Unsolicated CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) qedf_process_unsol_compl(qedf, fp->sb_id, cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) * Don't add a work list item. Increment consumer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) * consumer index and move on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) goto inc_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) xid = cqe->cqe_data & FCOE_CQE_TASK_ID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) io_req = &qedf->cmd_mgr->cmds[xid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) * Figure out which percpu thread we should queue this I/O
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) * on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) if (!io_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) /* If there is not io_req assocated with this CQE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) * just queue it on CPU 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) cpu = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) cpu = io_req->cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) io_req->int_cpu = smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) io_work = mempool_alloc(qedf->io_mempool, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) if (!io_work) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) "work for I/O completion.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) memset(io_work, 0, sizeof(struct qedf_io_work));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) INIT_WORK(&io_work->work, qedf_fp_io_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) /* Copy contents of CQE for deferred processing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) memcpy(&io_work->cqe, cqe, sizeof(struct fcoe_cqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) io_work->qedf = fp->qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) io_work->fp = NULL; /* Only used for unsolicited frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) queue_work_on(cpu, qedf_io_wq, &io_work->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) inc_idx:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) que->cq_cons_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) if (que->cq_cons_idx == fp->cq_num_entries)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) que->cq_cons_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) new_cqes--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) /* MSI-X fastpath handler code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) static irqreturn_t qedf_msix_handler(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) struct qedf_fastpath *fp = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) if (!fp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) QEDF_ERR(NULL, "fp is null.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) if (!fp->sb_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) QEDF_ERR(NULL, "fp->sb_info in null.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) * Disable interrupts for this status block while we process new
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) * completions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) qed_sb_ack(fp->sb_info, IGU_INT_DISABLE, 0 /*do not update*/);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) while (1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) qedf_process_completions(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) if (qedf_fp_has_work(fp) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) /* Update the sb information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) qed_sb_update_sb_idx(fp->sb_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) /* Check for more work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) rmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) if (qedf_fp_has_work(fp) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) /* Re-enable interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) qed_sb_ack(fp->sb_info, IGU_INT_ENABLE, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) /* Do we ever want to break out of above loop? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) /* simd handler for MSI/INTa */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) static void qedf_simd_int_handler(void *cookie)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) /* Cookie is qedf_ctx struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) struct qedf_ctx *qedf = (struct qedf_ctx *)cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) QEDF_WARN(&(qedf->dbg_ctx), "qedf=%p.\n", qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) #define QEDF_SIMD_HANDLER_NUM 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) static void qedf_sync_free_irqs(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) u16 vector_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) u32 vector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) if (qedf->int_info.msix_cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) for (i = 0; i < qedf->int_info.used_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) vector_idx = i * qedf->dev_info.common.num_hwfns +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) qed_ops->common->get_affin_hwfn_idx(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) "Freeing IRQ #%d vector_idx=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) i, vector_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) vector = qedf->int_info.msix[vector_idx].vector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) synchronize_irq(vector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) irq_set_affinity_hint(vector, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) irq_set_affinity_notifier(vector, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) free_irq(vector, &qedf->fp_array[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) qed_ops->common->simd_handler_clean(qedf->cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) QEDF_SIMD_HANDLER_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) qedf->int_info.used_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) qed_ops->common->set_fp_int(qedf->cdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) static int qedf_request_msix_irq(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) int i, rc, cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) u16 vector_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) u32 vector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) cpu = cpumask_first(cpu_online_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) for (i = 0; i < qedf->num_queues; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) vector_idx = i * qedf->dev_info.common.num_hwfns +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) qed_ops->common->get_affin_hwfn_idx(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) "Requesting IRQ #%d vector_idx=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) i, vector_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) vector = qedf->int_info.msix[vector_idx].vector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) rc = request_irq(vector, qedf_msix_handler, 0, "qedf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) &qedf->fp_array[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) QEDF_WARN(&(qedf->dbg_ctx), "request_irq failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) qedf_sync_free_irqs(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) qedf->int_info.used_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) rc = irq_set_affinity_hint(vector, get_cpu_mask(cpu));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) cpu = cpumask_next(cpu, cpu_online_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) static int qedf_setup_int(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) * Learn interrupt configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) rc = qed_ops->common->set_fp_int(qedf->cdev, num_online_cpus());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) if (rc <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) rc = qed_ops->common->get_fp_int(qedf->cdev, &qedf->int_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Number of msix_cnt = "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) "0x%x num of cpus = 0x%x\n", qedf->int_info.msix_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) num_online_cpus());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) if (qedf->int_info.msix_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) return qedf_request_msix_irq(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) qed_ops->common->simd_handler_config(qedf->cdev, &qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) QEDF_SIMD_HANDLER_NUM, qedf_simd_int_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) qedf->int_info.used_cnt = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) "Cannot load driver due to a lack of MSI-X vectors.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) /* Main function for libfc frame reception */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) static void qedf_recv_frame(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) u32 fr_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) struct fc_frame_header *fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) struct fcoe_crc_eof crc_eof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) struct fc_frame *fp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) u8 *mac = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) u8 *dest_mac = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) struct fcoe_hdr *hp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) struct fc_lport *vn_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) u32 f_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) if (lport == NULL || lport->state == LPORT_ST_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) QEDF_WARN(NULL, "Invalid lport struct or lport disabled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) if (skb_is_nonlinear(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) skb_linearize(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) mac = eth_hdr(skb)->h_source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) dest_mac = eth_hdr(skb)->h_dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) /* Pull the header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) hp = (struct fcoe_hdr *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) fh = (struct fc_frame_header *) skb_transport_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) skb_pull(skb, sizeof(struct fcoe_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) fr_len = skb->len - sizeof(struct fcoe_crc_eof);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) fp = (struct fc_frame *)skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) fc_frame_init(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) fr_dev(fp) = lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) fr_sof(fp) = hp->fcoe_sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) QEDF_INFO(NULL, QEDF_LOG_LL2, "skb_copy_bits failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) fr_eof(fp) = crc_eof.fcoe_eof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) fr_crc(fp) = crc_eof.fcoe_crc32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) if (pskb_trim(skb, fr_len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) QEDF_INFO(NULL, QEDF_LOG_LL2, "pskb_trim failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) fh = fc_frame_header_get(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) * Invalid frame filters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) fh->fh_type == FC_TYPE_FCP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) /* Drop FCP data. We dont this in L2 path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) if (fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) fh->fh_type == FC_TYPE_ELS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) switch (fc_frame_payload_op(fp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) case ELS_LOGO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) /* drop non-FIP LOGO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) /* Drop incoming ABTS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) if (ntoh24(&dest_mac[3]) != ntoh24(fh->fh_d_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) "FC frame d_id mismatch with MAC %pM.\n", dest_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) if (qedf->ctlr.state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) if (!ether_addr_equal(mac, qedf->ctlr.dest_addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) "Wrong source address: mac:%pM dest_addr:%pM.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) mac, qedf->ctlr.dest_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) * If the destination ID from the frame header does not match what we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) * have on record for lport and the search for a NPIV port came up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) * empty then this is not addressed to our port so simply drop it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) "Dropping frame due to destination mismatch: lport->port_id=0x%x fh->d_id=0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) lport->port_id, ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) f_ctl = ntoh24(fh->fh_f_ctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) if ((fh->fh_type == FC_TYPE_BLS) && (f_ctl & FC_FC_SEQ_CTX) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) (f_ctl & FC_FC_EX_CTX)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) /* Drop incoming ABTS response that has both SEQ/EX CTX set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) "Dropping ABTS response as both SEQ/EX CTX set.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) * If a connection is uploading, drop incoming FCoE frames as there
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) * is a small window where we could try to return a frame while libfc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) * is trying to clean things up.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) /* Get fcport associated with d_id if it exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) fcport = qedf_fcport_lookup(qedf, ntoh24(fh->fh_d_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) if (fcport && test_bit(QEDF_RPORT_UPLOADING_CONNECTION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) "Connection uploading, dropping fp=%p.\n", fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FCoE frame receive: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) "skb=%p fp=%p src=%06x dest=%06x r_ctl=%x fh_type=%x.\n", skb, fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) ntoh24(fh->fh_s_id), ntoh24(fh->fh_d_id), fh->fh_r_ctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) fh->fh_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) if (qedf_dump_frames)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) print_hex_dump(KERN_WARNING, "fcoe: ", DUMP_PREFIX_OFFSET, 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 1, skb->data, skb->len, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) fc_exch_recv(lport, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) static void qedf_ll2_process_skb(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) struct qedf_skb_work *skb_work =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) container_of(work, struct qedf_skb_work, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) struct qedf_ctx *qedf = skb_work->qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) struct sk_buff *skb = skb_work->skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) struct ethhdr *eh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) if (!qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) QEDF_ERR(NULL, "qedf is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) eh = (struct ethhdr *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) /* Undo VLAN encapsulation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) if (eh->h_proto == htons(ETH_P_8021Q)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) memmove((u8 *)eh + VLAN_HLEN, eh, ETH_ALEN * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) eh = skb_pull(skb, VLAN_HLEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) skb_reset_mac_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) * Process either a FIP frame or FCoE frame based on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) * protocol value. If it's not either just drop the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) * frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) if (eh->h_proto == htons(ETH_P_FIP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) qedf_fip_recv(qedf, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) } else if (eh->h_proto == htons(ETH_P_FCOE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) __skb_pull(skb, ETH_HLEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) qedf_recv_frame(qedf, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) kfree(skb_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) static int qedf_ll2_rx(void *cookie, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) u32 arg1, u32 arg2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) struct qedf_ctx *qedf = (struct qedf_ctx *)cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) struct qedf_skb_work *skb_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) "Dropping frame as link state is down.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) skb_work = kzalloc(sizeof(struct qedf_skb_work), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) if (!skb_work) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate skb_work so "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) "dropping frame.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) INIT_WORK(&skb_work->work, qedf_ll2_process_skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) skb_work->skb = skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) skb_work->qedf = qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) queue_work(qedf->ll2_recv_wq, &skb_work->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) static struct qed_ll2_cb_ops qedf_ll2_cb_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) .rx_cb = qedf_ll2_rx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) .tx_cb = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) /* Main thread to process I/O completions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) void qedf_fp_io_handler(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) struct qedf_io_work *io_work =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) container_of(work, struct qedf_io_work, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) u32 comp_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) * Deferred part of unsolicited CQE sends
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) * frame to libfc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) comp_type = (io_work->cqe.cqe_data >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) FCOE_CQE_CQE_TYPE_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) FCOE_CQE_CQE_TYPE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) if (comp_type == FCOE_UNSOLIC_CQE_TYPE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) io_work->fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) fc_exch_recv(io_work->qedf->lport, io_work->fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) qedf_process_cqe(io_work->qedf, &io_work->cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) kfree(io_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) static int qedf_alloc_and_init_sb(struct qedf_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) struct qed_sb_info *sb_info, u16 sb_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) struct status_block_e4 *sb_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) dma_addr_t sb_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) sb_virt = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) sizeof(struct status_block_e4), &sb_phys, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) if (!sb_virt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) "Status block allocation failed for id = %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) sb_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) ret = qed_ops->common->sb_init(qedf->cdev, sb_info, sb_virt, sb_phys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) sb_id, QED_SB_TYPE_STORAGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) "Status block initialization failed (0x%x) for id = %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) ret, sb_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) static void qedf_free_sb(struct qedf_ctx *qedf, struct qed_sb_info *sb_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) if (sb_info->sb_virt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) dma_free_coherent(&qedf->pdev->dev, sizeof(*sb_info->sb_virt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) (void *)sb_info->sb_virt, sb_info->sb_phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) static void qedf_destroy_sb(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) struct qedf_fastpath *fp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) for (id = 0; id < qedf->num_queues; id++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) fp = &(qedf->fp_array[id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) if (fp->sb_id == QEDF_SB_ID_NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) qedf_free_sb(qedf, fp->sb_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) kfree(fp->sb_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) kfree(qedf->fp_array);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) static int qedf_prepare_sb(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) struct qedf_fastpath *fp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) qedf->fp_array =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) kcalloc(qedf->num_queues, sizeof(struct qedf_fastpath),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) if (!qedf->fp_array) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) QEDF_ERR(&(qedf->dbg_ctx), "fastpath array allocation "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) "failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) for (id = 0; id < qedf->num_queues; id++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) fp = &(qedf->fp_array[id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) fp->sb_id = QEDF_SB_ID_NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) fp->sb_info = kcalloc(1, sizeof(*fp->sb_info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) if (!fp->sb_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) QEDF_ERR(&(qedf->dbg_ctx), "SB info struct "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) "allocation failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) ret = qedf_alloc_and_init_sb(qedf, fp->sb_info, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) QEDF_ERR(&(qedf->dbg_ctx), "SB allocation and "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) "initialization failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) fp->sb_id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) fp->qedf = qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) fp->cq_num_entries =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) qedf->global_queues[id]->cq_mem_size /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) sizeof(struct fcoe_cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) u16 xid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) struct qedf_ioreq *io_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) u32 comp_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) comp_type = (cqe->cqe_data >> FCOE_CQE_CQE_TYPE_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) FCOE_CQE_CQE_TYPE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) xid = cqe->cqe_data & FCOE_CQE_TASK_ID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) io_req = &qedf->cmd_mgr->cmds[xid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) /* Completion not for a valid I/O anymore so just return */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) if (!io_req) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) "io_req is NULL for xid=0x%x.\n", xid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) fcport = io_req->fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) if (fcport == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) "fcport is NULL for xid=0x%x io_req=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) xid, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) * Check that fcport is offloaded. If it isn't then the spinlock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) * isn't valid and shouldn't be taken. We should just return.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) "Session not offloaded yet, fcport = %p.\n", fcport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) switch (comp_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) case FCOE_GOOD_COMPLETION_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) switch (io_req->cmd_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) case QEDF_SCSI_CMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) qedf_scsi_completion(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) case QEDF_ELS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) qedf_process_els_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) case QEDF_TASK_MGMT_CMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) qedf_process_tmf_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) case QEDF_SEQ_CLEANUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) qedf_process_seq_cleanup_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) case FCOE_ERROR_DETECTION_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) "Error detect CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) qedf_process_error_detect(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) case FCOE_EXCH_CLEANUP_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) "Cleanup CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) qedf_process_cleanup_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) case FCOE_ABTS_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) "Abort CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) qedf_process_abts_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) case FCOE_DUMMY_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) "Dummy CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) case FCOE_LOCAL_COMP_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) "Local completion CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) case FCOE_WARNING_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) "Warning CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) qedf_process_warning_compl(qedf, cqe, io_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) case MAX_FCOE_CQE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) atomic_inc(&fcport->free_sqes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) "Max FCoE CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) "Default CQE.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) static void qedf_free_bdq(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) if (qedf->bdq_pbl_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) dma_free_coherent(&qedf->pdev->dev, QEDF_PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) qedf->bdq_pbl_list, qedf->bdq_pbl_list_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) if (qedf->bdq_pbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) dma_free_coherent(&qedf->pdev->dev, qedf->bdq_pbl_mem_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) qedf->bdq_pbl, qedf->bdq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) for (i = 0; i < QEDF_BDQ_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) if (qedf->bdq[i].buf_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) dma_free_coherent(&qedf->pdev->dev, QEDF_BDQ_BUF_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) qedf->bdq[i].buf_addr, qedf->bdq[i].buf_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) static void qedf_free_global_queues(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) struct global_queue **gl = qedf->global_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) for (i = 0; i < qedf->num_queues; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) if (!gl[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) if (gl[i]->cq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) dma_free_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) gl[i]->cq_mem_size, gl[i]->cq, gl[i]->cq_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) if (gl[i]->cq_pbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) dma_free_coherent(&qedf->pdev->dev, gl[i]->cq_pbl_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) gl[i]->cq_pbl, gl[i]->cq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) kfree(gl[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) qedf_free_bdq(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) static int qedf_alloc_bdq(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) struct scsi_bd *pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) u64 *list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) dma_addr_t page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) /* Alloc dma memory for BDQ buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) for (i = 0; i < QEDF_BDQ_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) qedf->bdq[i].buf_addr = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) QEDF_BDQ_BUF_SIZE, &qedf->bdq[i].buf_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) if (!qedf->bdq[i].buf_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate BDQ "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) "buffer %d.\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) /* Alloc dma memory for BDQ page buffer list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) qedf->bdq_pbl_mem_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) QEDF_BDQ_SIZE * sizeof(struct scsi_bd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) qedf->bdq_pbl_mem_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) ALIGN(qedf->bdq_pbl_mem_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) qedf->bdq_pbl = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) qedf->bdq_pbl_mem_size, &qedf->bdq_pbl_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) if (!qedf->bdq_pbl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate BDQ PBL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) "BDQ PBL addr=0x%p dma=%pad\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) qedf->bdq_pbl, &qedf->bdq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) * Populate BDQ PBL with physical and virtual address of individual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) * BDQ buffers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) pbl = (struct scsi_bd *)qedf->bdq_pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) for (i = 0; i < QEDF_BDQ_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) pbl->address.hi = cpu_to_le32(U64_HI(qedf->bdq[i].buf_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) pbl->address.lo = cpu_to_le32(U64_LO(qedf->bdq[i].buf_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) pbl->opaque.fcoe_opaque.hi = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) /* Opaque lo data is an index into the BDQ array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) pbl->opaque.fcoe_opaque.lo = cpu_to_le32(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) pbl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) /* Allocate list of PBL pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) qedf->bdq_pbl_list = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) QEDF_PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) &qedf->bdq_pbl_list_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) if (!qedf->bdq_pbl_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate list of PBL pages.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) * Now populate PBL list with pages that contain pointers to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) * individual buffers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) qedf->bdq_pbl_list_num_entries = qedf->bdq_pbl_mem_size /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) list = (u64 *)qedf->bdq_pbl_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) page = qedf->bdq_pbl_list_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) for (i = 0; i < qedf->bdq_pbl_list_num_entries; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) *list = qedf->bdq_pbl_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) list++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) page += QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) static int qedf_alloc_global_queues(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) u32 *list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) u32 *pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) dma_addr_t page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) int num_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) /* Allocate and map CQs, RQs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) * Number of global queues (CQ / RQ). This should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) * be <= number of available MSIX vectors for the PF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) if (!qedf->num_queues) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) QEDF_ERR(&(qedf->dbg_ctx), "No MSI-X vectors available!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) * Make sure we allocated the PBL that will contain the physical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) * addresses of our queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) if (!qedf->p_cpuq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) status = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) QEDF_ERR(&qedf->dbg_ctx, "p_cpuq is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) goto mem_alloc_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) qedf->global_queues = kzalloc((sizeof(struct global_queue *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) * qedf->num_queues), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) if (!qedf->global_queues) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) QEDF_ERR(&(qedf->dbg_ctx), "Unable to allocate global "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) "queues array ptr memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) "qedf->global_queues=%p.\n", qedf->global_queues);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) /* Allocate DMA coherent buffers for BDQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) status = qedf_alloc_bdq(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) if (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) QEDF_ERR(&qedf->dbg_ctx, "Unable to allocate bdq.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) goto mem_alloc_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) /* Allocate a CQ and an associated PBL for each MSI-X vector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) for (i = 0; i < qedf->num_queues; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) qedf->global_queues[i] = kzalloc(sizeof(struct global_queue),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) if (!qedf->global_queues[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) QEDF_WARN(&(qedf->dbg_ctx), "Unable to allocate "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) "global queue %d.\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) goto mem_alloc_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) qedf->global_queues[i]->cq_mem_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) FCOE_PARAMS_CQ_NUM_ENTRIES * sizeof(struct fcoe_cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) qedf->global_queues[i]->cq_mem_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) ALIGN(qedf->global_queues[i]->cq_mem_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) qedf->global_queues[i]->cq_pbl_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) (qedf->global_queues[i]->cq_mem_size /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) PAGE_SIZE) * sizeof(void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) qedf->global_queues[i]->cq_pbl_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) ALIGN(qedf->global_queues[i]->cq_pbl_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) qedf->global_queues[i]->cq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) qedf->global_queues[i]->cq_mem_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) &qedf->global_queues[i]->cq_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) if (!qedf->global_queues[i]->cq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate cq.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) goto mem_alloc_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) qedf->global_queues[i]->cq_pbl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) qedf->global_queues[i]->cq_pbl_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) &qedf->global_queues[i]->cq_pbl_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) if (!qedf->global_queues[i]->cq_pbl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate cq PBL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) goto mem_alloc_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) /* Create PBL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) num_pages = qedf->global_queues[i]->cq_mem_size /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) page = qedf->global_queues[i]->cq_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) pbl = (u32 *)qedf->global_queues[i]->cq_pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) while (num_pages--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) *pbl = U64_LO(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) pbl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) *pbl = U64_HI(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) pbl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) page += QEDF_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) /* Set the initial consumer index for cq */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) qedf->global_queues[i]->cq_cons_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) list = (u32 *)qedf->p_cpuq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) * The list is built as follows: CQ#0 PBL pointer, RQ#0 PBL pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) * CQ#1 PBL pointer, RQ#1 PBL pointer, etc. Each PBL pointer points
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) * to the physical address which contains an array of pointers to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) * the physical addresses of the specific queue pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) for (i = 0; i < qedf->num_queues; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) *list = U64_LO(qedf->global_queues[i]->cq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) list++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) *list = U64_HI(qedf->global_queues[i]->cq_pbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) list++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) *list = U64_LO(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) list++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) *list = U64_HI(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) list++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) mem_alloc_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) qedf_free_global_queues(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) static int qedf_set_fcoe_pf_param(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) u8 sq_num_pbl_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) u32 sq_mem_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) u32 cq_mem_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) u32 cq_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) * The number of completion queues/fastpath interrupts/status blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) * we allocation is the minimum off:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) * Number of CPUs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) * Number allocated by qed for our PCI function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) qedf->num_queues = MIN_NUM_CPUS_MSIX(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Number of CQs is %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) qedf->num_queues);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) qedf->p_cpuq = dma_alloc_coherent(&qedf->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) qedf->num_queues * sizeof(struct qedf_glbl_q_params),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) &qedf->hw_p_cpuq, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) if (!qedf->p_cpuq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) QEDF_ERR(&(qedf->dbg_ctx), "dma_alloc_coherent failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) rval = qedf_alloc_global_queues(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) QEDF_ERR(&(qedf->dbg_ctx), "Global queue allocation "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) "failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) /* Calculate SQ PBL size in the same manner as in qedf_sq_alloc() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) sq_mem_size = SQ_NUM_ENTRIES * sizeof(struct fcoe_wqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) sq_mem_size = ALIGN(sq_mem_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) sq_num_pbl_pages = (sq_mem_size / QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) /* Calculate CQ num entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) cq_mem_size = FCOE_PARAMS_CQ_NUM_ENTRIES * sizeof(struct fcoe_cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) cq_mem_size = ALIGN(cq_mem_size, QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) cq_num_entries = cq_mem_size / sizeof(struct fcoe_cqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) memset(&(qedf->pf_params), 0, sizeof(qedf->pf_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) /* Setup the value for fcoe PF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) qedf->pf_params.fcoe_pf_params.num_cons = QEDF_MAX_SESSIONS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) qedf->pf_params.fcoe_pf_params.num_tasks = FCOE_PARAMS_NUM_TASKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) qedf->pf_params.fcoe_pf_params.glbl_q_params_addr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) (u64)qedf->hw_p_cpuq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) qedf->pf_params.fcoe_pf_params.sq_num_pbl_pages = sq_num_pbl_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) qedf->pf_params.fcoe_pf_params.rq_buffer_log_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) qedf->pf_params.fcoe_pf_params.cq_num_entries = cq_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) qedf->pf_params.fcoe_pf_params.num_cqs = qedf->num_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) /* log_page_size: 12 for 4KB pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) qedf->pf_params.fcoe_pf_params.log_page_size = ilog2(QEDF_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) qedf->pf_params.fcoe_pf_params.mtu = 9000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) qedf->pf_params.fcoe_pf_params.gl_rq_pi = QEDF_FCOE_PARAMS_GL_RQ_PI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) qedf->pf_params.fcoe_pf_params.gl_cmd_pi = QEDF_FCOE_PARAMS_GL_CMD_PI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) /* BDQ address and size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) qedf->pf_params.fcoe_pf_params.bdq_pbl_base_addr[0] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) qedf->bdq_pbl_list_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) qedf->pf_params.fcoe_pf_params.bdq_pbl_num_entries[0] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) qedf->bdq_pbl_list_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) qedf->pf_params.fcoe_pf_params.rq_buffer_size = QEDF_BDQ_BUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) "bdq_list=%p bdq_pbl_list_dma=%llx bdq_pbl_list_entries=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) qedf->bdq_pbl_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) qedf->pf_params.fcoe_pf_params.bdq_pbl_base_addr[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) qedf->pf_params.fcoe_pf_params.bdq_pbl_num_entries[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) "cq_num_entries=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) qedf->pf_params.fcoe_pf_params.cq_num_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) /* Free DMA coherent memory for array of queue pointers we pass to qed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) static void qedf_free_fcoe_pf_param(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) size_t size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) if (qedf->p_cpuq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) size = qedf->num_queues * sizeof(struct qedf_glbl_q_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) dma_free_coherent(&qedf->pdev->dev, size, qedf->p_cpuq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) qedf->hw_p_cpuq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) qedf_free_global_queues(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) kfree(qedf->global_queues);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) * PCI driver functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) static const struct pci_device_id qedf_pci_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x165c) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x8080) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) {0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) MODULE_DEVICE_TABLE(pci, qedf_pci_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) static struct pci_driver qedf_pci_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) .name = QEDF_MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) .id_table = qedf_pci_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) .probe = qedf_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) .remove = qedf_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) .shutdown = qedf_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) static int __qedf_probe(struct pci_dev *pdev, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) int rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) struct qedf_ctx *qedf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) bool is_vf = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) struct qed_ll2_params params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) char host_buf[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) struct qed_link_params link_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) void *task_start, *task_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) struct qed_slowpath_params slowpath_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) struct qed_probe_params qed_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) u16 retry_cnt = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) * When doing error recovery we didn't reap the lport so don't try
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) * to reallocate it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) retry_probe:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) if (mode == QEDF_MODE_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) msleep(2000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) lport = libfc_host_alloc(&qedf_host_template,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) sizeof(struct qedf_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) if (!lport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) QEDF_ERR(NULL, "Could not allocate lport.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) goto err0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) fc_disc_init(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) /* Initialize qedf_ctx */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) set_bit(QEDF_PROBING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) qedf->lport = lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) qedf->ctlr.lp = lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) qedf->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) qedf->dbg_ctx.pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) qedf->dbg_ctx.host_no = lport->host->host_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) spin_lock_init(&qedf->hba_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) INIT_LIST_HEAD(&qedf->fcports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) qedf->curr_conn_id = QEDF_MAX_SESSIONS - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) atomic_set(&qedf->num_offloads, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) qedf->stop_io_on_error = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) pci_set_drvdata(pdev, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) init_completion(&qedf->fipvlan_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) mutex_init(&qedf->stats_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) mutex_init(&qedf->flush_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) qedf->flogi_pending = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) "QLogic FastLinQ FCoE Module qedf %s, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) "FW %d.%d.%d.%d\n", QEDF_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) FW_MAJOR_VERSION, FW_MINOR_VERSION, FW_REVISION_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) FW_ENGINEERING_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) /* Init pointers during recovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319) qedf = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320) set_bit(QEDF_PROBING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321) lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Probe started.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) host = lport->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) /* Allocate mempool for qedf_io_work structs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) qedf->io_mempool = mempool_create_slab_pool(QEDF_IO_WORK_MIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) qedf_io_work_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) if (qedf->io_mempool == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) QEDF_ERR(&(qedf->dbg_ctx), "qedf->io_mempool is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_INFO, "qedf->io_mempool=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) qedf->io_mempool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) sprintf(host_buf, "qedf_%u_link",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) qedf->lport->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) qedf->link_update_wq = create_workqueue(host_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) INIT_DELAYED_WORK(&qedf->link_update, qedf_handle_link_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) INIT_DELAYED_WORK(&qedf->link_recovery, qedf_link_recovery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) INIT_DELAYED_WORK(&qedf->grcdump_work, qedf_wq_grcdump);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) INIT_DELAYED_WORK(&qedf->stag_work, qedf_stag_change_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) qedf->fipvlan_retries = qedf_fipvlan_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) /* Set a default prio in case DCBX doesn't converge */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) if (qedf_default_prio > -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) * This is the case where we pass a modparam in so we want to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) * honor it even if dcbx doesn't converge.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352) qedf->prio = qedf_default_prio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) qedf->prio = QEDF_DEFAULT_PRIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) * Common probe. Takes care of basic hardware init and pci_*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) * functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) memset(&qed_params, 0, sizeof(qed_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) qed_params.protocol = QED_PROTOCOL_FCOE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) qed_params.dp_module = qedf_dp_module;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) qed_params.dp_level = qedf_dp_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) qed_params.is_vf = is_vf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) qedf->cdev = qed_ops->common->probe(pdev, &qed_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) if (!qedf->cdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) if ((mode == QEDF_MODE_RECOVERY) && retry_cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) QEDF_ERR(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) "Retry %d initialize hardware\n", retry_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) retry_cnt--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) goto retry_probe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) QEDF_ERR(&qedf->dbg_ctx, "common probe failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) rc = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) /* Learn information crucial for qedf to progress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) QEDF_ERR(&(qedf->dbg_ctx), "Failed to dev info.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) "dev_info: num_hwfns=%d affin_hwfn_idx=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) qedf->dev_info.common.num_hwfns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) qed_ops->common->get_affin_hwfn_idx(qedf->cdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) /* queue allocation code should come here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391) * order should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) * slowpath_start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) * status block allocation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) * interrupt registration (to get min number of queues)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) * set_fcoe_pf_param
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) * qed_sp_fcoe_func_start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) rc = qedf_set_fcoe_pf_param(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) QEDF_ERR(&(qedf->dbg_ctx), "Cannot set fcoe pf param.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) qed_ops->common->update_pf_params(qedf->cdev, &qedf->pf_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) /* Learn information crucial for qedf to progress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) QEDF_ERR(&qedf->dbg_ctx, "Failed to fill dev info.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) /* Record BDQ producer doorbell addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) qedf->bdq_primary_prod = qedf->dev_info.primary_dbq_rq_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) qedf->bdq_secondary_prod = qedf->dev_info.secondary_bdq_rq_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) "BDQ primary_prod=%p secondary_prod=%p.\n", qedf->bdq_primary_prod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) qedf->bdq_secondary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) qed_ops->register_ops(qedf->cdev, &qedf_cb_ops, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) rc = qedf_prepare_sb(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) QEDF_ERR(&(qedf->dbg_ctx), "Cannot start slowpath.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) /* Start the Slowpath-process */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) slowpath_params.int_mode = QED_INT_MODE_MSIX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430) slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) slowpath_params.drv_rev = QEDF_DRIVER_REV_VER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) slowpath_params.drv_eng = QEDF_DRIVER_ENG_VER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434) strncpy(slowpath_params.name, "qedf", QED_DRV_VER_STR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) rc = qed_ops->common->slowpath_start(qedf->cdev, &slowpath_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) QEDF_ERR(&(qedf->dbg_ctx), "Cannot start slowpath.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) * update_pf_params needs to be called before and after slowpath
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) * start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) qed_ops->common->update_pf_params(qedf->cdev, &qedf->pf_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) /* Setup interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) rc = qedf_setup_int(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) QEDF_ERR(&qedf->dbg_ctx, "Setup interrupts failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) goto err3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) rc = qed_ops->start(qedf->cdev, &qedf->tasks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) QEDF_ERR(&(qedf->dbg_ctx), "Cannot start FCoE function.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) goto err4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) task_start = qedf_get_task_mem(&qedf->tasks, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) task_end = qedf_get_task_mem(&qedf->tasks, MAX_TID_BLOCKS_FCOE - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Task context start=%p, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462) "end=%p block_size=%u.\n", task_start, task_end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463) qedf->tasks.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) * We need to write the number of BDs in the BDQ we've preallocated so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467) * the f/w will do a prefetch and we'll get an unsolicited CQE when a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) * packet arrives.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470) qedf->bdq_prod_idx = QEDF_BDQ_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) "Writing %d to primary and secondary BDQ doorbell registers.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) qedf->bdq_prod_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) writew(qedf->bdq_prod_idx, qedf->bdq_primary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) readw(qedf->bdq_primary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) writew(qedf->bdq_prod_idx, qedf->bdq_secondary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) readw(qedf->bdq_secondary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) qed_ops->common->set_power_state(qedf->cdev, PCI_D0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) /* Now that the dev_info struct has been filled in set the MAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482) * address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484) ether_addr_copy(qedf->mac, qedf->dev_info.common.hw_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "MAC address is %pM.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) qedf->mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) * Set the WWNN and WWPN in the following way:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) * If the info we get from qed is non-zero then use that to set the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) * WWPN and WWNN. Otherwise fall back to use fcoe_wwn_from_mac() based
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493) * on the MAC address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495) if (qedf->dev_info.wwnn != 0 && qedf->dev_info.wwpn != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497) "Setting WWPN and WWNN from qed dev_info.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498) qedf->wwnn = qedf->dev_info.wwnn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499) qedf->wwpn = qedf->dev_info.wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) "Setting WWPN and WWNN using fcoe_wwn_from_mac().\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "WWNN=%016llx "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) "WWPN=%016llx.\n", qedf->wwnn, qedf->wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) sprintf(host_buf, "host_%d", host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) qed_ops->common->set_name(qedf->cdev, host_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) /* Allocate cmd mgr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) qedf->cmd_mgr = qedf_cmd_mgr_alloc(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) if (!qedf->cmd_mgr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) QEDF_ERR(&(qedf->dbg_ctx), "Failed to allocate cmd mgr.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) goto err5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) host->transportt = qedf_fc_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522) host->max_lun = qedf_max_lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523) host->max_cmd_len = QEDF_MAX_CDB_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524) host->can_queue = FCOE_PARAMS_NUM_TASKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525) rc = scsi_add_host(host, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527) QEDF_WARN(&qedf->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) "Error adding Scsi_Host rc=0x%x.\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) goto err6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) memset(¶ms, 0, sizeof(params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) params.mtu = QEDF_LL2_BUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) ether_addr_copy(params.ll2_mac_address, qedf->mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) /* Start LL2 processing thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) snprintf(host_buf, 20, "qedf_%d_ll2", host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) qedf->ll2_recv_wq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540) create_workqueue(host_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) if (!qedf->ll2_recv_wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) QEDF_ERR(&(qedf->dbg_ctx), "Failed to LL2 workqueue.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) goto err7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) qedf_dbg_host_init(&(qedf->dbg_ctx), qedf_debugfs_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549) qedf_dbg_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552) /* Start LL2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553) qed_ops->ll2->register_cb_ops(qedf->cdev, &qedf_ll2_cb_ops, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554) rc = qed_ops->ll2->start(qedf->cdev, ¶ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556) QEDF_ERR(&(qedf->dbg_ctx), "Could not start Light L2.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557) goto err7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) set_bit(QEDF_LL2_STARTED, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) /* Set initial FIP/FCoE VLAN to NULL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) qedf->vlan_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) * No need to setup fcoe_ctlr or fc_lport objects during recovery since
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) * they were not reaped during the unload process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) /* Setup imbedded fcoe controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) qedf_fcoe_ctlr_setup(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) /* Setup lport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) rc = qedf_lport_setup(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576) "qedf_lport_setup failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577) goto err7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) sprintf(host_buf, "qedf_%u_timer", qedf->lport->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) qedf->timer_work_queue =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) create_workqueue(host_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) if (!qedf->timer_work_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) QEDF_ERR(&(qedf->dbg_ctx), "Failed to start timer "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) "workqueue.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) goto err7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) /* DPC workqueue is not reaped during recovery unload */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) sprintf(host_buf, "qedf_%u_dpc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) qedf->lport->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595) qedf->dpc_wq = create_workqueue(host_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) INIT_DELAYED_WORK(&qedf->recovery_work, qedf_recovery_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) * GRC dump and sysfs parameters are not reaped during the recovery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) * unload process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) qedf->grcdump_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605) qed_ops->common->dbg_all_data_size(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606) if (qedf->grcdump_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) rc = qedf_alloc_grc_dump_buf(&qedf->grcdump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) qedf->grcdump_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611) "GRC Dump buffer alloc failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) qedf->grcdump = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) "grcdump: addr=%p, size=%u.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) qedf->grcdump, qedf->grcdump_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619) qedf_create_sysfs_ctx_attr(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) /* Initialize I/O tracing for this adapter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622) spin_lock_init(&qedf->io_trace_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) qedf->io_trace_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) init_completion(&qedf->flogi_compl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) status = qed_ops->common->update_drv_state(qedf->cdev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) "Failed to send drv state to MFW.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) memset(&link_params, 0, sizeof(struct qed_link_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) link_params.link_up = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635) status = qed_ops->common->set_link(qedf->cdev, &link_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) QEDF_WARN(&(qedf->dbg_ctx), "set_link failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) /* Start/restart discovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) if (mode == QEDF_MODE_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) fcoe_ctlr_link_up(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) fc_fabric_login(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Probe done.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) clear_bit(QEDF_PROBING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) /* All good */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652) err7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) if (qedf->ll2_recv_wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) destroy_workqueue(qedf->ll2_recv_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) fc_remove_host(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) scsi_remove_host(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) qedf_dbg_host_exit(&(qedf->dbg_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660) err6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) qedf_cmd_mgr_free(qedf->cmd_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) err5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) qed_ops->stop(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) err4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665) qedf_free_fcoe_pf_param(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) qedf_sync_free_irqs(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) err3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) qed_ops->common->slowpath_stop(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669) err2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670) qed_ops->common->remove(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) err1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672) scsi_host_put(lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) err0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) if (qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675) QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Probe done.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) clear_bit(QEDF_PROBING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) static int qedf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684) return __qedf_probe(pdev, QEDF_MODE_NORMAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) static void __qedf_remove(struct pci_dev *pdev, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) if (!pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) QEDF_ERR(NULL, "pdev is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) qedf = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) * Prevent race where we're in board disable work and then try to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) * rmmod the module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) QEDF_ERR(&qedf->dbg_ctx, "Already removing PCI function.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708) if (mode != QEDF_MODE_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) set_bit(QEDF_UNLOADING, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) /* Logoff the fabric to upload all connections */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712) if (mode == QEDF_MODE_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) fcoe_ctlr_link_down(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) fc_fabric_logoff(qedf->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) if (qedf_wait_for_upload(qedf) == false)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) QEDF_ERR(&qedf->dbg_ctx, "Could not upload all sessions.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) qedf_dbg_host_exit(&(qedf->dbg_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) /* Stop any link update handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) cancel_delayed_work_sync(&qedf->link_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) destroy_workqueue(qedf->link_update_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) qedf->link_update_wq = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) if (qedf->timer_work_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) destroy_workqueue(qedf->timer_work_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) /* Stop Light L2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) clear_bit(QEDF_LL2_STARTED, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) qed_ops->ll2->stop(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) if (qedf->ll2_recv_wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) destroy_workqueue(qedf->ll2_recv_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) /* Stop fastpath */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) qedf_sync_free_irqs(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) qedf_destroy_sb(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) * During recovery don't destroy OS constructs that represent the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) * physical port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) qedf_free_grc_dump_buf(&qedf->grcdump);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) qedf_remove_sysfs_ctx_attr(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) /* Remove all SCSI/libfc/libfcoe structures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) fcoe_ctlr_destroy(&qedf->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) fc_lport_destroy(qedf->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) fc_remove_host(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) scsi_remove_host(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) qedf_cmd_mgr_free(qedf->cmd_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) fc_exch_mgr_free(qedf->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) fc_lport_free_stats(qedf->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) /* Wait for all vports to be reaped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) qedf_wait_for_vport_destroy(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) * Now that all connections have been uploaded we can stop the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) * rest of the qed operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771) qed_ops->stop(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) if (qedf->dpc_wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) /* Stop general DPC handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) destroy_workqueue(qedf->dpc_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777) qedf->dpc_wq = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) /* Final shutdown for the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) qedf_free_fcoe_pf_param(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) if (mode != QEDF_MODE_RECOVERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) qed_ops->common->set_power_state(qedf->cdev, PCI_D0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) pci_set_drvdata(pdev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) rc = qed_ops->common->update_drv_state(qedf->cdev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) "Failed to send drv state to MFW.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) qed_ops->common->slowpath_stop(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) qed_ops->common->remove(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) mempool_destroy(qedf->io_mempool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798) /* Only reap the Scsi_host on a real removal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) if (mode != QEDF_MODE_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800) scsi_host_put(qedf->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) static void qedf_remove(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) /* Check to make sure this function wasn't already disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) if (!atomic_read(&pdev->enable_cnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) __qedf_remove(pdev, QEDF_MODE_NORMAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) void qedf_wq_grcdump(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) struct qedf_ctx *qedf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) container_of(work, struct qedf_ctx, grcdump_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) QEDF_ERR(&(qedf->dbg_ctx), "Collecting GRC dump.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) qedf_capture_grc_dump(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821) void qedf_schedule_hw_err_handler(void *dev, enum qed_hw_err_type err_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823) struct qedf_ctx *qedf = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826) "Hardware error handler scheduled, event=%d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) err_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) QEDF_ERR(&(qedf->dbg_ctx),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) "Already in recovery, not scheduling board disable work.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) switch (err_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) case QED_HW_ERR_FAN_FAIL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) schedule_delayed_work(&qedf->board_disable_work, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) case QED_HW_ERR_MFW_RESP_FAIL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840) case QED_HW_ERR_HW_ATTN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) case QED_HW_ERR_DMAE_FAIL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842) case QED_HW_ERR_FW_ASSERT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843) /* Prevent HW attentions from being reasserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844) qed_ops->common->attn_clr_enable(qedf->cdev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846) case QED_HW_ERR_RAMROD_FAIL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) /* Prevent HW attentions from being reasserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) qed_ops->common->attn_clr_enable(qedf->cdev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) if (qedf_enable_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) qed_ops->common->recovery_process(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) * Protocol TLV handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) void qedf_get_protocol_tlv_data(void *dev, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) struct qedf_ctx *qedf = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) struct qed_mfw_tlv_fcoe *fcoe = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) struct fc_host_attrs *fc_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) struct fc_host_statistics *hst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) if (!qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) QEDF_ERR(NULL, "qedf is null.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) if (test_bit(QEDF_PROBING, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) QEDF_ERR(&qedf->dbg_ctx, "Function is still probing.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) host = lport->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) fc_host = shost_to_fc_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) /* Force a refresh of the fc_host stats including offload stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886) hst = qedf_fc_get_host_stats(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) fcoe->qos_pri_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) fcoe->qos_pri = 3; /* Hard coded to 3 in driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) fcoe->ra_tov_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) fcoe->ra_tov = lport->r_a_tov;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) fcoe->ed_tov_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) fcoe->ed_tov = lport->e_d_tov;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897) fcoe->npiv_state_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) fcoe->npiv_state = 1; /* NPIV always enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) fcoe->num_npiv_ids_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) fcoe->num_npiv_ids = fc_host->npiv_vports_inuse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) /* Certain attributes we only want to set if we've selected an FCF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) if (qedf->ctlr.sel_fcf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) fcoe->switch_name_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) u64_to_wwn(qedf->ctlr.sel_fcf->switch_name, fcoe->switch_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) fcoe->port_state_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) /* For qedf we're either link down or fabric attach */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) if (lport->link_up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) fcoe->port_state = QED_MFW_TLV_PORT_STATE_FABRIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) fcoe->port_state = QED_MFW_TLV_PORT_STATE_OFFLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916) fcoe->link_failures_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) fcoe->link_failures = (u16)hst->link_failure_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) fcoe->fcoe_txq_depth_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920) fcoe->fcoe_rxq_depth_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) fcoe->fcoe_rxq_depth = FCOE_PARAMS_NUM_TASKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922) fcoe->fcoe_txq_depth = FCOE_PARAMS_NUM_TASKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) fcoe->fcoe_rx_frames_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) fcoe->fcoe_rx_frames = hst->rx_frames;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) fcoe->fcoe_tx_frames_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) fcoe->fcoe_tx_frames = hst->tx_frames;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) fcoe->fcoe_rx_bytes_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) fcoe->fcoe_rx_bytes = hst->fcp_input_megabytes * 1000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) fcoe->fcoe_tx_bytes_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) fcoe->fcoe_tx_bytes = hst->fcp_output_megabytes * 1000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) fcoe->crc_count_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) fcoe->crc_count = hst->invalid_crc_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) fcoe->tx_abts_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) fcoe->tx_abts = hst->fcp_packet_aborts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) fcoe->tx_lun_rst_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) fcoe->tx_lun_rst = qedf->lun_resets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945) fcoe->abort_task_sets_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) fcoe->abort_task_sets = qedf->packet_aborts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) fcoe->scsi_busy_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) fcoe->scsi_busy = qedf->busy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) fcoe->scsi_tsk_full_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) fcoe->scsi_tsk_full = qedf->task_set_fulls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) /* Deferred work function to perform soft context reset on STAG change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) void qedf_stag_change_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) struct qedf_ctx *qedf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959) container_of(work, struct qedf_ctx, stag_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961) if (!qedf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) QEDF_ERR(NULL, "qedf is NULL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) QEDF_ERR(&qedf->dbg_ctx, "Performing software context reset.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) qedf_ctx_soft_reset(qedf->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969) static void qedf_shutdown(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) __qedf_remove(pdev, QEDF_MODE_NORMAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) * Recovery handler code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) static void qedf_schedule_recovery_handler(void *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) struct qedf_ctx *qedf = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) QEDF_ERR(&qedf->dbg_ctx, "Recovery handler scheduled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982) schedule_delayed_work(&qedf->recovery_work, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) static void qedf_recovery_handler(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) struct qedf_ctx *qedf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) container_of(work, struct qedf_ctx, recovery_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) if (test_and_set_bit(QEDF_IN_RECOVERY, &qedf->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) * Call common_ops->recovery_prolog to allow the MFW to quiesce
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) * any PCI transactions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) qed_ops->common->recovery_prolog(qedf->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) QEDF_ERR(&qedf->dbg_ctx, "Recovery work start.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) __qedf_remove(qedf->pdev, QEDF_MODE_RECOVERY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) * Reset link and dcbx to down state since we will not get a link down
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) * event from the MFW but calling __qedf_remove will essentially be a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) * link down event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) atomic_set(&qedf->dcbx, QEDF_DCBX_PENDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) __qedf_probe(qedf->pdev, QEDF_MODE_RECOVERY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) clear_bit(QEDF_IN_RECOVERY, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) QEDF_ERR(&qedf->dbg_ctx, "Recovery work complete.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) /* Generic TLV data callback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) struct qedf_ctx *qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018) if (!dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019) QEDF_INFO(NULL, QEDF_LOG_EVT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020) "dev is NULL so ignoring get_generic_tlv_data request.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023) qedf = (struct qedf_ctx *)dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) memset(data, 0, sizeof(struct qed_generic_tlvs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) ether_addr_copy(data->mac[0], qedf->mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) * Module Init/Remove
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) static int __init qedf_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) /* If debug=1 passed, set the default log mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) if (qedf_debug == QEDF_LOG_DEFAULT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) qedf_debug = QEDF_DEFAULT_LOG_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042) * Check that default prio for FIP/FCoE traffic is between 0..7 if a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043) * value has been set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045) if (qedf_default_prio > -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046) if (qedf_default_prio > 7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) qedf_default_prio = QEDF_DEFAULT_PRIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) QEDF_ERR(NULL, "FCoE/FIP priority out of range, resetting to %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) QEDF_DEFAULT_PRIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) /* Print driver banner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) QEDF_INFO(NULL, QEDF_LOG_INFO, "%s v%s.\n", QEDF_DESCR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054) QEDF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056) /* Create kmem_cache for qedf_io_work structs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057) qedf_io_work_cache = kmem_cache_create("qedf_io_work_cache",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058) sizeof(struct qedf_io_work), 0, SLAB_HWCACHE_ALIGN, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) if (qedf_io_work_cache == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060) QEDF_ERR(NULL, "qedf_io_work_cache is NULL.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063) QEDF_INFO(NULL, QEDF_LOG_DISC, "qedf_io_work_cache=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064) qedf_io_work_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066) qed_ops = qed_get_fcoe_ops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067) if (!qed_ops) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068) QEDF_ERR(NULL, "Failed to get qed fcoe operations\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069) goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) qedf_dbg_init("qedf");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076) qedf_fc_transport_template =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) fc_attach_transport(&qedf_fc_transport_fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) if (!qedf_fc_transport_template) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) QEDF_ERR(NULL, "Could not register with FC transport\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080) goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) qedf_fc_vport_transport_template =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084) fc_attach_transport(&qedf_fc_vport_transport_fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085) if (!qedf_fc_vport_transport_template) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086) QEDF_ERR(NULL, "Could not register vport template with FC "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087) "transport\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088) goto err3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091) qedf_io_wq = create_workqueue("qedf_io_wq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) if (!qedf_io_wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093) QEDF_ERR(NULL, "Could not create qedf_io_wq.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094) goto err4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) qedf_cb_ops.get_login_failures = qedf_get_login_failures;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) ret = pci_register_driver(&qedf_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) QEDF_ERR(NULL, "Failed to register driver\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102) goto err5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107) err5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108) destroy_workqueue(qedf_io_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109) err4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110) fc_release_transport(qedf_fc_vport_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) err3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) fc_release_transport(qedf_fc_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113) err2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) qedf_dbg_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) qed_put_fcoe_ops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) err1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) static void __exit qedf_cleanup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) pci_unregister_driver(&qedf_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) destroy_workqueue(qedf_io_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) fc_release_transport(qedf_fc_vport_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) fc_release_transport(qedf_fc_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131) qedf_dbg_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) qed_put_fcoe_ops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) kmem_cache_destroy(qedf_io_work_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx FCoE Module");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) MODULE_AUTHOR("QLogic Corporation");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141) MODULE_VERSION(QEDF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) module_init(qedf_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) module_exit(qedf_cleanup);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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