^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) * This file is part of the Emulex Linux Device Driver for Enterprise iSCSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Host Bus Adapters. Refer to the README file included with this package
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * for driver version and adapter compatibility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) 2018 Broadcom. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Contact Information:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * linux-drivers@broadcom.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <scsi/libiscsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <scsi/scsi_transport_iscsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <scsi/scsi_transport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <scsi/scsi_netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "be_iscsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) extern struct iscsi_transport beiscsi_iscsi_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * beiscsi_session_create - creates a new iscsi session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * @ep: pointer to iscsi ep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * @cmds_max: max commands supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * @qdepth: max queue depth supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * @initial_cmdsn: initial iscsi CMDSN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) u16 cmds_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u16 qdepth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u32 initial_cmdsn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct Scsi_Host *shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct beiscsi_endpoint *beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct iscsi_cls_session *cls_session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct beiscsi_hba *phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct iscsi_session *sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct beiscsi_session *beiscsi_sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct beiscsi_io_task *io_task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (!ep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) pr_err("beiscsi_session_create: invalid ep\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) phba = beiscsi_ep->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return NULL;
^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) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) "BS_%d : In beiscsi_session_create\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) "BS_%d : Cannot handle %d cmds."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) "Max cmds per session supported is %d. Using %d."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) "\n", cmds_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) beiscsi_ep->phba->params.wrbs_per_cxn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) beiscsi_ep->phba->params.wrbs_per_cxn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) shost = phba->shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) shost, cmds_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) sizeof(*beiscsi_sess),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) sizeof(*io_task),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) initial_cmdsn, ISCSI_MAX_TARGET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (!cls_session)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) sess = cls_session->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) beiscsi_sess = sess->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) beiscsi_sess->bhs_pool = dma_pool_create("beiscsi_bhs_pool",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) &phba->pcidev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) sizeof(struct be_cmd_bhs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 64, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (!beiscsi_sess->bhs_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) goto destroy_sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return cls_session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) destroy_sess:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) iscsi_session_teardown(cls_session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return 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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * beiscsi_session_destroy - destroys iscsi session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * @cls_session: pointer to iscsi cls session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * Destroys iSCSI session instance and releases
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * resources allocated for it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct iscsi_session *sess = cls_session->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct beiscsi_session *beiscsi_sess = sess->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) printk(KERN_INFO "In beiscsi_session_destroy\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) dma_pool_destroy(beiscsi_sess->bhs_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) iscsi_session_teardown(cls_session);
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * beiscsi_session_fail(): Closing session with appropriate error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * @cls_session: ptr to session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) void beiscsi_session_fail(struct iscsi_cls_session *cls_session)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * beiscsi_conn_create - create an instance of iscsi connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * @cls_session: ptr to iscsi_cls_session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * @cid: iscsi cid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct iscsi_cls_conn *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct beiscsi_hba *phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct Scsi_Host *shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct iscsi_cls_conn *cls_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct beiscsi_conn *beiscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct iscsi_conn *conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct iscsi_session *sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct beiscsi_session *beiscsi_sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) shost = iscsi_session_to_shost(cls_session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) "BS_%d : In beiscsi_conn_create ,cid"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) "from iscsi layer=%d\n", cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (!cls_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) beiscsi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) beiscsi_conn->ep = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) beiscsi_conn->phba = phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) beiscsi_conn->conn = conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) sess = cls_session->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) beiscsi_sess = sess->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) beiscsi_conn->beiscsi_sess = beiscsi_sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return cls_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^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) * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * @cls_session: pointer to iscsi cls session
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * @cls_conn: pointer to iscsi cls conn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * @transport_fd: EP handle(64 bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * @is_leading: indicate if this is the session leading connection (MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * This function binds the TCP Conn with iSCSI Connection and Session.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct iscsi_cls_conn *cls_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) u64 transport_fd, int is_leading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct iscsi_conn *conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct beiscsi_conn *beiscsi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct hwi_wrb_context *pwrb_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct beiscsi_endpoint *beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct iscsi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) uint16_t cri_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ep = iscsi_lookup_endpoint(transport_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (!ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (beiscsi_ep->phba != phba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) "BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) beiscsi_ep->phba, phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return -EEXIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) cri_index = BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (phba->conn_table[cri_index]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (beiscsi_conn != phba->conn_table[cri_index] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) beiscsi_ep != phba->conn_table[cri_index]->ep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) "BS_%d : conn_table not empty at %u: cid %u conn %p:%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) cri_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) beiscsi_ep->ep_cid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) beiscsi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) phba->conn_table[cri_index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) beiscsi_conn->ep = beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) beiscsi_ep->conn = beiscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * Each connection is associated with a WRBQ kept in wrb_context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * Store doorbell offset for transmit path.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) "BS_%d : cid %d phba->conn_table[%u]=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) beiscsi_ep->ep_cid, cri_index, beiscsi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) phba->conn_table[cri_index] = beiscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static int beiscsi_iface_create_ipv4(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (phba->ipv4_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) phba->ipv4_iface = iscsi_create_iface(phba->shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) &beiscsi_iscsi_transport,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) ISCSI_IFACE_TYPE_IPV4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (!phba->ipv4_iface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) "BS_%d : Could not "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) "create default IPv4 address.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static int beiscsi_iface_create_ipv6(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (phba->ipv6_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) phba->ipv6_iface = iscsi_create_iface(phba->shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) &beiscsi_iscsi_transport,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) ISCSI_IFACE_TYPE_IPV6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) if (!phba->ipv6_iface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) "BS_%d : Could not "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) "create default IPv6 address.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) void beiscsi_iface_create_default(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct be_cmd_get_if_info_resp *if_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V4, &if_info)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) beiscsi_iface_create_ipv4(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) kfree(if_info);
^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 (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V6, &if_info)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) beiscsi_iface_create_ipv6(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) kfree(if_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) void beiscsi_iface_destroy_default(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (phba->ipv6_iface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) iscsi_destroy_iface(phba->ipv6_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) phba->ipv6_iface = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (phba->ipv4_iface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) iscsi_destroy_iface(phba->ipv4_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) phba->ipv4_iface = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) * beiscsi_set_vlan_tag()- Set the VLAN TAG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * @shost: Scsi Host for the driver instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * @iface_param: Interface paramters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) * Set the VLAN TAG for the adapter or disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) * the VLAN config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * returns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) * Success: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) * Failure: Non-Zero Value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) beiscsi_iface_config_vlan(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct iscsi_iface_param_info *iface_param)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) int ret = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) switch (iface_param->param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) case ISCSI_NET_PARAM_VLAN_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) ret = beiscsi_if_set_vlan(phba, BEISCSI_VLAN_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) case ISCSI_NET_PARAM_VLAN_TAG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) ret = beiscsi_if_set_vlan(phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) *((uint16_t *)iface_param->value));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) beiscsi_iface_config_ipv4(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct iscsi_iface_param_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) void *data, uint32_t dt_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) u8 *ip = NULL, *subnet = NULL, *gw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) struct nlattr *nla;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) int ret = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) /* Check the param */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) switch (info->param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) case ISCSI_NET_PARAM_IFACE_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (info->value[0] == ISCSI_IFACE_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) ret = beiscsi_iface_create_ipv4(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) iscsi_destroy_iface(phba->ipv4_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) phba->ipv4_iface = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) case ISCSI_NET_PARAM_IPV4_GW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) gw = info->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ret = beiscsi_if_set_gw(phba, BEISCSI_IP_TYPE_V4, gw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (info->value[0] == ISCSI_BOOTPROTO_DHCP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ret = beiscsi_if_en_dhcp(phba, BEISCSI_IP_TYPE_V4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) else if (info->value[0] == ISCSI_BOOTPROTO_STATIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) /* release DHCP IP address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) "BS_%d : Invalid BOOTPROTO: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) info->value[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) case ISCSI_NET_PARAM_IPV4_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) ip = info->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (nla) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) info = nla_data(nla);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) subnet = info->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ip, subnet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) case ISCSI_NET_PARAM_IPV4_SUBNET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR ioctl needs IP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * and subnet both. Find IP to be applied for this subnet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) subnet = info->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) if (nla) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) info = nla_data(nla);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) ip = info->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) ip, subnet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) beiscsi_iface_config_ipv6(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) struct iscsi_iface_param_info *iface_param,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) void *data, uint32_t dt_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) int ret = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) switch (iface_param->param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) case ISCSI_NET_PARAM_IFACE_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) ret = beiscsi_iface_create_ipv6(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) iscsi_destroy_iface(phba->ipv6_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) phba->ipv6_iface = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) case ISCSI_NET_PARAM_IPV6_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) iface_param->value, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int beiscsi_iface_set_param(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) void *data, uint32_t dt_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) struct iscsi_iface_param_info *iface_param = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) struct nlattr *attrib;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) uint32_t rm_len = dt_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) /* update interface_handle */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) ret = beiscsi_if_get_handle(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) "BS_%d : Getting Interface Handle Failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) nla_for_each_attr(attrib, data, dt_len, rm_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) iface_param = nla_data(attrib);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (iface_param->param_type != ISCSI_NET_PARAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) * BE2ISCSI only supports 1 interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) if (iface_param->iface_num) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) "BS_%d : Invalid iface_num %d."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) "Only iface_num 0 is supported.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) iface_param->iface_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) "BS_%d : %s.0 set param %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) (iface_param->iface_type == ISCSI_IFACE_TYPE_IPV4) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) "ipv4" : "ipv6", iface_param->param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) ret = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) switch (iface_param->param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) case ISCSI_NET_PARAM_VLAN_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) case ISCSI_NET_PARAM_VLAN_TAG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ret = beiscsi_iface_config_vlan(shost, iface_param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) switch (iface_param->iface_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) case ISCSI_IFACE_TYPE_IPV4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) ret = beiscsi_iface_config_ipv4(shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) iface_param,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) data, dt_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) case ISCSI_IFACE_TYPE_IPV6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) ret = beiscsi_iface_config_ipv6(shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) iface_param,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) data, dt_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (ret == -EPERM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) "BS_%d : %s.0 set param %d not permitted",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) (iface_param->iface_type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) ISCSI_IFACE_TYPE_IPV4) ? "ipv4" : "ipv6",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) iface_param->param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) static int __beiscsi_iface_get_param(struct beiscsi_hba *phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) struct iscsi_iface *iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) int param, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) struct be_cmd_get_if_info_resp *if_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) int len, ip_type = BEISCSI_IP_TYPE_V4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) ip_type = BEISCSI_IP_TYPE_V6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) len = beiscsi_if_get_info(phba, ip_type, &if_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) case ISCSI_NET_PARAM_IPV4_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) case ISCSI_NET_PARAM_IPV6_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) if (!if_info->dhcp_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) len = sprintf(buf, "static\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) len = sprintf(buf, "dhcp\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) case ISCSI_NET_PARAM_IPV4_SUBNET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) case ISCSI_NET_PARAM_VLAN_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) len = sprintf(buf, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) (if_info->vlan_priority == BEISCSI_VLAN_DISABLE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) "disable" : "enable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) case ISCSI_NET_PARAM_VLAN_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) len = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) len = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) (if_info->vlan_priority &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) ISCSI_MAX_VLAN_ID));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) case ISCSI_NET_PARAM_VLAN_PRIORITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) len = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) len = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) ((if_info->vlan_priority >> 13) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) ISCSI_MAX_VLAN_PRIORITY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) kfree(if_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) int beiscsi_iface_get_param(struct iscsi_iface *iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) enum iscsi_param_type param_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) int param, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) struct be_cmd_get_def_gateway_resp gateway;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) int len = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (param_type != ISCSI_NET_PARAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) case ISCSI_NET_PARAM_IPV4_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) case ISCSI_NET_PARAM_IPV4_SUBNET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) case ISCSI_NET_PARAM_IPV6_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) case ISCSI_NET_PARAM_VLAN_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) case ISCSI_NET_PARAM_VLAN_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) case ISCSI_NET_PARAM_VLAN_PRIORITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) len = __beiscsi_iface_get_param(phba, iface, param, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) case ISCSI_NET_PARAM_IFACE_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) len = sprintf(buf, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) phba->ipv4_iface ? "enable" : "disable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) len = sprintf(buf, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) phba->ipv6_iface ? "enable" : "disable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) case ISCSI_NET_PARAM_IPV4_GW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) memset(&gateway, 0, sizeof(gateway));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) len = beiscsi_if_get_gw(phba, BEISCSI_IP_TYPE_V4, &gateway);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (!len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) * beiscsi_ep_get_param - get the iscsi parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) * @ep: pointer to iscsi ep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * @param: parameter type identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * @buf: buffer pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) * returns iscsi parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) enum iscsi_param param, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) beiscsi_log(beiscsi_ep->phba, KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) "BS_%d : In beiscsi_ep_get_param,"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) " param= %d\n", param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) case ISCSI_PARAM_CONN_PORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) case ISCSI_PARAM_CONN_ADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (beiscsi_ep->ip_type == BEISCSI_IP_TYPE_V4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) len = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) enum iscsi_param param, char *buf, int buflen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) struct iscsi_conn *conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) struct beiscsi_hba *phba = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) "BS_%d : In beiscsi_conn_set_param,"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) " param= %d\n", param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) ret = iscsi_set_param(cls_conn, param, buf, buflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) * If userspace tried to set the value to higher than we can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) * support override here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) case ISCSI_PARAM_FIRST_BURST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (session->first_burst > 8192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) session->first_burst = 8192;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) case ISCSI_PARAM_MAX_RECV_DLENGTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (conn->max_recv_dlength > 65536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) conn->max_recv_dlength = 65536;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) case ISCSI_PARAM_MAX_BURST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) if (session->max_burst > 262144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) session->max_burst = 262144;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) case ISCSI_PARAM_MAX_XMIT_DLENGTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (conn->max_xmit_dlength > 65536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) conn->max_xmit_dlength = 65536;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) return 0;
^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) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * beiscsi_get_port_state - Get the Port State
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) * @shost : pointer to scsi_host structure
^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 void beiscsi_get_port_state(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) struct iscsi_cls_host *ihost = shost->shost_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) ihost->port_state = test_bit(BEISCSI_HBA_LINK_UP, &phba->state) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) * beiscsi_get_port_speed - Get the Port Speed from Adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) * @shost : pointer to scsi_host structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) static void beiscsi_get_port_speed(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) struct iscsi_cls_host *ihost = shost->shost_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) switch (phba->port_speed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) case BE2ISCSI_LINK_SPEED_10MBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) case BE2ISCSI_LINK_SPEED_100MBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) ihost->port_speed = ISCSI_PORT_SPEED_100MBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) case BE2ISCSI_LINK_SPEED_1GBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) case BE2ISCSI_LINK_SPEED_10GBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) case BE2ISCSI_LINK_SPEED_25GBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) ihost->port_speed = ISCSI_PORT_SPEED_25GBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) case BE2ISCSI_LINK_SPEED_40GBPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) ihost->port_speed = ISCSI_PORT_SPEED_40GBPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) * beiscsi_get_host_param - get the iscsi parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) * @shost: pointer to scsi_host structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) * @param: parameter type identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) * @buf: buffer pointer
^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) int beiscsi_get_host_param(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) enum iscsi_host_param param, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) struct beiscsi_hba *phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) int status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) "BS_%d : In beiscsi_get_host_param, param = %d\n", param);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) case ISCSI_HOST_PARAM_HWADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) status = beiscsi_get_macaddr(buf, phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) "BS_%d : beiscsi_get_macaddr Failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) case ISCSI_HOST_PARAM_INITIATOR_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) /* try fetching user configured name first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) status = beiscsi_get_initiator_name(phba, buf, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) status = beiscsi_get_initiator_name(phba, buf, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) "BS_%d : Retrieving Initiator Name Failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) case ISCSI_HOST_PARAM_PORT_STATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) beiscsi_get_port_state(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) case ISCSI_HOST_PARAM_PORT_SPEED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) beiscsi_get_port_speed(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) return iscsi_host_get_param(shost, param, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) struct be_cmd_get_nic_conf_resp resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) if (phba->mac_addr_set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) memset(&resp, 0, sizeof(resp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) rc = mgmt_get_nic_conf(phba, &resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) phba->mac_addr_set = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) * beiscsi_conn_get_stats - get the iscsi stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) * @cls_conn: pointer to iscsi cls conn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) * @stats: pointer to iscsi_stats structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) * returns iscsi stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) struct iscsi_stats *stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) struct iscsi_conn *conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) struct beiscsi_hba *phba = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) "BS_%d : In beiscsi_conn_get_stats\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) stats->txdata_octets = conn->txdata_octets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) stats->rxdata_octets = conn->rxdata_octets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) stats->dataout_pdus = conn->dataout_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) stats->datain_pdus = conn->datain_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) stats->r2t_pdus = conn->r2t_pdus_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) stats->digest_err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) stats->timeout_err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) stats->custom_length = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) strcpy(stats->custom[0].desc, "eh_abort_cnt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) stats->custom[0].value = conn->eh_abort_cnt;
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) * beiscsi_set_params_for_offld - get the parameters for offload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) * @beiscsi_conn: pointer to beiscsi_conn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) * @params: pointer to offload_params structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) struct beiscsi_offload_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) struct iscsi_conn *conn = beiscsi_conn->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) params, session->max_burst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) AMAP_SET_BITS(struct amap_beiscsi_offload_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) max_send_data_segment_length, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) conn->max_xmit_dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) params, session->first_burst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) session->erl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) conn->datadgst_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) conn->hdrdgst_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) session->initial_r2t_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) session->imm_data_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) AMAP_SET_BITS(struct amap_beiscsi_offload_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) data_seq_inorder, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) session->dataseq_inorder_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) AMAP_SET_BITS(struct amap_beiscsi_offload_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) pdu_seq_inorder, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) session->pdu_inorder_en);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) session->max_r2t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) (conn->exp_statsn - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) AMAP_SET_BITS(struct amap_beiscsi_offload_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) max_recv_data_segment_length, params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) conn->max_recv_dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) * beiscsi_conn_start - offload of session to chip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) * @cls_conn: pointer to beiscsi_conn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) struct iscsi_conn *conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) struct beiscsi_conn *beiscsi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) struct beiscsi_endpoint *beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) struct beiscsi_offload_params params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) struct beiscsi_hba *phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) beiscsi_log(beiscsi_conn->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) "BS_%d : In beiscsi_conn_start\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) beiscsi_ep = beiscsi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) if (!beiscsi_ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) beiscsi_log(beiscsi_conn->phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) beiscsi_conn->login_in_progress = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) beiscsi_offload_connection(beiscsi_conn, ¶ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) iscsi_conn_start(cls_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) * beiscsi_get_cid - Allocate a cid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) * @phba: The phba instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) static int beiscsi_get_cid(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) unsigned short cid, cid_from_ulp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) struct ulp_cid_info *cid_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) /* Find the ULP which has more CID available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) BEISCSI_ULP0_AVLBL_CID(phba) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) BEISCSI_ULP1_AVLBL_CID(phba) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) BEISCSI_ULP0 : BEISCSI_ULP1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) * If iSCSI protocol is loaded only on ULP 0, and when cid_avlbl_ulp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) * is ZERO for both, ULP 1 is returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) * Check if ULP is loaded before getting new CID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) if (!test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) return BE_INVALID_CID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) cid_info = phba->cid_array_info[cid_from_ulp];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) cid = cid_info->cid_array[cid_info->cid_alloc];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) if (!cid_info->avlbl_cids || cid == BE_INVALID_CID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) "BS_%d : failed to get cid: available %u:%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) cid_info->avlbl_cids, cid_info->cid_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) return BE_INVALID_CID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) /* empty the slot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) cid_info->cid_array[cid_info->cid_alloc++] = BE_INVALID_CID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(phba, cid_from_ulp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) cid_info->cid_alloc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) cid_info->avlbl_cids--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) return cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) * beiscsi_put_cid - Free the cid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) * @phba: The phba for which the cid is being freed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) * @cid: The cid to free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) struct hwi_wrb_context *pwrb_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) struct hwi_controller *phwi_ctrlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) struct ulp_cid_info *cid_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) uint16_t cid_post_ulp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) phwi_ctrlr = phba->phwi_ctrlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) cid_post_ulp = pwrb_context->ulp_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) cid_info = phba->cid_array_info[cid_post_ulp];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) /* fill only in empty slot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) if (cid_info->cid_array[cid_info->cid_free] != BE_INVALID_CID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) "BS_%d : failed to put cid %u: available %u:%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) cid, cid_info->avlbl_cids, cid_info->cid_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) cid_info->cid_array[cid_info->cid_free++] = cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) cid_info->cid_free = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) cid_info->avlbl_cids++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) * beiscsi_free_ep - free endpoint
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) * @beiscsi_ep: pointer to device endpoint struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) struct beiscsi_hba *phba = beiscsi_ep->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) struct beiscsi_conn *beiscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) beiscsi_ep->phba = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) /* clear this to track freeing in beiscsi_ep_disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) phba->ep_array[BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid)] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) * Check if any connection resource allocated by driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) * is to be freed.This case occurs when target redirection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) * or connection retry is done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) if (!beiscsi_ep->conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) beiscsi_conn = beiscsi_ep->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) * Break ep->conn link here so that completions after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) * this are ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) beiscsi_ep->conn = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) if (beiscsi_conn->login_in_progress) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) beiscsi_free_mgmt_task_handles(beiscsi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) beiscsi_conn->task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) beiscsi_conn->login_in_progress = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) * beiscsi_open_conn - Ask FW to open a TCP connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) * @ep: pointer to device endpoint struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) * @src_addr: The source IP address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) * @dst_addr: The Destination IP address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) * @non_blocking: blocking or non-blocking call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) * Asks the FW to open a TCP connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) static int beiscsi_open_conn(struct iscsi_endpoint *ep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) struct sockaddr *src_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) struct sockaddr *dst_addr, int non_blocking)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) struct beiscsi_hba *phba = beiscsi_ep->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) struct tcp_connect_and_offload_out *ptcpcnct_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) struct be_dma_mem nonemb_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) unsigned int tag, req_memsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) int ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) "BS_%d : In beiscsi_open_conn\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) if (beiscsi_ep->ep_cid == BE_INVALID_CID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) "BS_%d : No free cid available\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) phba->ep_array[BE_GET_CRI_FROM_CID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) (beiscsi_ep->ep_cid)] = ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) beiscsi_ep->cid_vld = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) if (is_chip_be2_be3r(phba))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) req_memsize = sizeof(struct tcp_connect_and_offload_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) req_memsize = sizeof(struct tcp_connect_and_offload_in_v1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) nonemb_cmd.va = dma_alloc_coherent(&phba->ctrl.pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) req_memsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) &nonemb_cmd.dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) if (nonemb_cmd.va == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) "BS_%d : Failed to allocate memory for"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) " mgmt_open_connection\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) beiscsi_free_ep(beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) nonemb_cmd.size = req_memsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) memset(nonemb_cmd.va, 0, nonemb_cmd.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) if (!tag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) "BS_%d : mgmt_open_connection Failed for cid=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) nonemb_cmd.va, nonemb_cmd.dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) beiscsi_free_ep(beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) return -EAGAIN;
^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) ret = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) "BS_%d : mgmt_open_connection Failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) if (ret != -EBUSY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) dma_free_coherent(&phba->ctrl.pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) nonemb_cmd.size, nonemb_cmd.va,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) nonemb_cmd.dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) beiscsi_free_ep(beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) beiscsi_ep->cid_vld = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) "BS_%d : mgmt_open_connection Success\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) nonemb_cmd.va, nonemb_cmd.dma);
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) * beiscsi_ep_connect - Ask chip to create TCP Conn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) * @shost: Pointer to scsi_host structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) * @dst_addr: The IP address of Target
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) * @non_blocking: blocking or non-blocking call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) * This routines first asks chip to create a connection and then allocates an EP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) struct iscsi_endpoint *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) int non_blocking)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) struct beiscsi_hba *phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) struct beiscsi_endpoint *beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) struct iscsi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) if (!shost) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) ret = -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) pr_err("beiscsi_ep_connect shost is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) phba = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) if (!test_bit(BEISCSI_HBA_LINK_UP, &phba->state)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) "BS_%d : The Adapter Port state is Down!!!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) if (!ep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) beiscsi_ep->phba = phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) beiscsi_ep->openiscsi_ep = ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) "BS_%d : Failed in beiscsi_open_conn\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) goto free_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) return ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) free_ep:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) iscsi_destroy_endpoint(ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) * beiscsi_ep_poll - Poll to see if connection is established
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) * @ep: endpoint to be used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) * @timeout_ms: timeout specified in millisecs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) * Poll to see if TCP connection established
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) "BS_%d : In beiscsi_ep_poll\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) if (beiscsi_ep->cid_vld == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) * beiscsi_flush_cq()- Flush the CQ created.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) * @phba: ptr device priv structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) * Before the connection resource are freed flush
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) * all the CQ enteries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) static void beiscsi_flush_cq(struct beiscsi_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) uint16_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) struct be_eq_obj *pbe_eq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) struct hwi_controller *phwi_ctrlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) struct hwi_context_memory *phwi_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) phwi_ctrlr = phba->phwi_ctrlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) phwi_context = phwi_ctrlr->phwi_ctxt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) for (i = 0; i < phba->num_cpus; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) pbe_eq = &phwi_context->be_eq[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) irq_poll_disable(&pbe_eq->iopoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) beiscsi_process_cq(pbe_eq, BE2_MAX_NUM_CQ_PROC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) irq_poll_enable(&pbe_eq->iopoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) * beiscsi_conn_close - Invalidate and upload connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) * @beiscsi_ep: pointer to device endpoint struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) * Returns 0 on success, -1 on failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) static int beiscsi_conn_close(struct beiscsi_endpoint *beiscsi_ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) struct beiscsi_hba *phba = beiscsi_ep->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) unsigned int tag, attempts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) * Without successfully invalidating and uploading connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) * driver can't reuse the CID so attempt more than once.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) attempts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) while (attempts++ < 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) tag = beiscsi_invalidate_cxn(phba, beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) if (tag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) "BS_%d : invalidate conn failed cid %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) /* wait for all completions to arrive, then process them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) msleep(250);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) /* flush CQ entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) beiscsi_flush_cq(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) if (attempts > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) attempts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) while (attempts++ < 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) tag = beiscsi_upload_cxn(phba, beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) if (tag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) "BS_%d : upload conn failed cid %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) if (attempts > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) }
^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) * beiscsi_ep_disconnect - Tears down the TCP connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) * @ep: endpoint to be used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) * Tears down the TCP connection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) struct beiscsi_endpoint *beiscsi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) struct beiscsi_conn *beiscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) struct beiscsi_hba *phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) uint16_t cri_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) beiscsi_ep = ep->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) phba = beiscsi_ep->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) "BS_%d : In beiscsi_ep_disconnect for ep_cid = %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) cri_index = BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) if (!phba->ep_array[cri_index]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) "BS_%d : ep_array at %u cid %u empty\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) cri_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) if (beiscsi_ep->conn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) beiscsi_conn = beiscsi_ep->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) iscsi_suspend_queue(beiscsi_conn->conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) if (!beiscsi_hba_is_online(phba)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) "BS_%d : HBA in error 0x%lx\n", phba->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) * Make CID available even if close fails.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) * If not freed, FW might fail open using the CID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) if (beiscsi_conn_close(beiscsi_ep) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) "BS_%d : close conn failed cid %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) beiscsi_free_ep(beiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) if (!phba->conn_table[cri_index])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) __beiscsi_log(phba, KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) "BS_%d : conn_table empty at %u: cid %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) cri_index, beiscsi_ep->ep_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) phba->conn_table[cri_index] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) umode_t beiscsi_attr_is_visible(int param_type, int param)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) switch (param_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) case ISCSI_NET_PARAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) case ISCSI_NET_PARAM_IFACE_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) case ISCSI_NET_PARAM_IPV4_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) case ISCSI_NET_PARAM_IPV4_SUBNET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) case ISCSI_NET_PARAM_IPV4_GW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) case ISCSI_NET_PARAM_IPV6_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) case ISCSI_NET_PARAM_VLAN_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) case ISCSI_NET_PARAM_VLAN_PRIORITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) case ISCSI_NET_PARAM_VLAN_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) return S_IRUGO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) case ISCSI_HOST_PARAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) case ISCSI_HOST_PARAM_HWADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) case ISCSI_HOST_PARAM_INITIATOR_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) case ISCSI_HOST_PARAM_PORT_STATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) case ISCSI_HOST_PARAM_PORT_SPEED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) return S_IRUGO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) case ISCSI_PARAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) switch (param) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) case ISCSI_PARAM_MAX_RECV_DLENGTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) case ISCSI_PARAM_MAX_XMIT_DLENGTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) case ISCSI_PARAM_HDRDGST_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) case ISCSI_PARAM_DATADGST_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) case ISCSI_PARAM_CONN_ADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) case ISCSI_PARAM_CONN_PORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) case ISCSI_PARAM_EXP_STATSN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) case ISCSI_PARAM_PERSISTENT_ADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) case ISCSI_PARAM_PERSISTENT_PORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) case ISCSI_PARAM_PING_TMO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) case ISCSI_PARAM_RECV_TMO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) case ISCSI_PARAM_INITIAL_R2T_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) case ISCSI_PARAM_MAX_R2T:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) case ISCSI_PARAM_IMM_DATA_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) case ISCSI_PARAM_FIRST_BURST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) case ISCSI_PARAM_MAX_BURST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) case ISCSI_PARAM_PDU_INORDER_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) case ISCSI_PARAM_DATASEQ_INORDER_EN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) case ISCSI_PARAM_ERL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) case ISCSI_PARAM_TARGET_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) case ISCSI_PARAM_TPGT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) case ISCSI_PARAM_USERNAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) case ISCSI_PARAM_PASSWORD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) case ISCSI_PARAM_USERNAME_IN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) case ISCSI_PARAM_PASSWORD_IN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) case ISCSI_PARAM_FAST_ABORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) case ISCSI_PARAM_ABORT_TMO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) case ISCSI_PARAM_LU_RESET_TMO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) case ISCSI_PARAM_IFACE_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) case ISCSI_PARAM_INITIATOR_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) return S_IRUGO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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