^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 "qedf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) inline bool qedf_is_vport(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) return qedf->lport->vport != NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /* Get base qedf for physical port from vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct fc_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct fc_lport *base_lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) if (!(qedf_is_vport(qedf)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) lport = qedf->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) base_lport = shost_priv(vport_to_shost(lport->vport));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return lport_priv(base_lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) qedf_fcoe_mac_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct fc_lport *lport = shost_priv(class_to_shost(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) u32 port_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u8 lport_src_id[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u8 fcoe_mac[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) port_id = fc_host_port_id(lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) lport_src_id[2] = (port_id & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) lport_src_id[1] = (port_id & 0x0000FF00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) lport_src_id[0] = (port_id & 0x00FF0000) >> 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) fc_fcoe_set_mac(fcoe_mac, lport_src_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) qedf_fka_period_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct fc_lport *lport = shost_priv(class_to_shost(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int fka_period = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (qedf_is_vport(qedf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) qedf = qedf_get_base_qedf(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (qedf->ctlr.sel_fcf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) fka_period = qedf->ctlr.sel_fcf->fka_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static DEVICE_ATTR(fcoe_mac, S_IRUGO, qedf_fcoe_mac_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static DEVICE_ATTR(fka_period, S_IRUGO, qedf_fka_period_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct device_attribute *qedf_host_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) &dev_attr_fcoe_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) &dev_attr_fka_period,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) extern const struct qed_fcoe_ops *qed_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void qedf_capture_grc_dump(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct qedf_ctx *base_qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Make sure we use the base qedf to take the GRC dump */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (qedf_is_vport(qedf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) base_qedf = qedf_get_base_qedf(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) base_qedf = qedf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (test_bit(QEDF_GRCDUMP_CAPTURE, &base_qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) QEDF_INFO(&(base_qedf->dbg_ctx), QEDF_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) "GRC Dump already captured.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) qedf_get_grc_dump(base_qedf->cdev, qed_ops->common,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) &base_qedf->grcdump, &base_qedf->grcdump_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) QEDF_ERR(&(base_qedf->dbg_ctx), "GRC Dump captured.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) set_bit(QEDF_GRCDUMP_CAPTURE, &base_qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) qedf_uevent_emit(base_qedf->lport->host, QEDF_UEVENT_CODE_GRCDUMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) qedf_sysfs_read_grcdump(struct file *filep, struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct bin_attribute *ba, char *buf, loff_t off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ssize_t ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct fc_lport *lport = shost_priv(dev_to_shost(container_of(kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct device, kobj)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct qedf_ctx *qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (test_bit(QEDF_GRCDUMP_CAPTURE, &qedf->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ret = memory_read_from_buffer(buf, count, &off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) qedf->grcdump, qedf->grcdump_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) QEDF_ERR(&(qedf->dbg_ctx), "GRC Dump not captured!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) qedf_sysfs_write_grcdump(struct file *filep, struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct bin_attribute *ba, char *buf, loff_t off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct fc_lport *lport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct qedf_ctx *qedf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) long reading;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) char msg[40];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (off != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) lport = shost_priv(dev_to_shost(container_of(kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct device, kobj)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) qedf = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) buf[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) ret = kstrtol(buf, 10, &reading);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) QEDF_ERR(&(qedf->dbg_ctx), "Invalid input, err(%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) memset(msg, 0, sizeof(msg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) switch (reading) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) memset(qedf->grcdump, 0, qedf->grcdump_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) clear_bit(QEDF_GRCDUMP_CAPTURE, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) qedf_capture_grc_dump(qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static struct bin_attribute sysfs_grcdump_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .name = "grcdump",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .mode = S_IRUSR | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .size = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .read = qedf_sysfs_read_grcdump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .write = qedf_sysfs_write_grcdump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static struct sysfs_bin_attrs bin_file_entries[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {"grcdump", &sysfs_grcdump_attr},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) qedf_create_sysfs_attr(qedf->lport->host, bin_file_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) qedf_remove_sysfs_attr(qedf->lport->host, bin_file_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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