return rval;
}
-int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
-{
- struct qla_work_evt *e;
-
- if (test_bit(UNLOADING, &vha->dpc_flags) ||
- (vha->vp_idx && test_bit(VPORT_DELETE, &vha->dpc_flags)))
- return 0;
-
- e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
- if (!e)
- return QLA_FUNCTION_FAILED;
-
- e->u.gpnid.id = *id;
- return qla2x00_post_work(vha, e);
-}
-
void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
{
struct srb_iocb *c = &sp->u.iocb_cmd;
kref_put(&sp->cmd_kref, qla2x00_sp_release);
}
-void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
-{
- fc_port_t *fcport, *conflict, *t;
- u16 data[2];
-
- ql_dbg(ql_dbg_disc, vha, 0xffff,
- "%s %d port_id: %06x\n",
- __func__, __LINE__, ea->id.b24);
-
- if (ea->rc) {
- /* cable is disconnected */
- list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
- if (fcport->d_id.b24 == ea->id.b24)
- fcport->scan_state = QLA_FCPORT_SCAN;
-
- qlt_schedule_sess_for_deletion(fcport);
- }
- } else {
- /* cable is connected */
- fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
- if (fcport) {
- list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
- list) {
- if ((conflict->d_id.b24 == ea->id.b24) &&
- (fcport != conflict))
- /*
- * 2 fcports with conflict Nport ID or
- * an existing fcport is having nport ID
- * conflict with new fcport.
- */
-
- conflict->scan_state = QLA_FCPORT_SCAN;
-
- qlt_schedule_sess_for_deletion(conflict);
- }
-
- fcport->scan_needed = 0;
- fcport->rscn_gen++;
- fcport->scan_state = QLA_FCPORT_FOUND;
- fcport->flags |= FCF_FABRIC_DEVICE;
- if (fcport->login_retry == 0) {
- fcport->login_retry =
- vha->hw->login_retry_count;
- ql_dbg(ql_dbg_disc, vha, 0xffff,
- "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
- fcport->port_name, fcport->loop_id,
- fcport->login_retry);
- }
- switch (fcport->disc_state) {
- case DSC_LOGIN_COMPLETE:
- /* recheck session is still intact. */
- ql_dbg(ql_dbg_disc, vha, 0x210d,
- "%s %d %8phC revalidate session with ADISC\n",
- __func__, __LINE__, fcport->port_name);
- data[0] = data[1] = 0;
- qla2x00_post_async_adisc_work(vha, fcport,
- data);
- break;
- case DSC_DELETED:
- ql_dbg(ql_dbg_disc, vha, 0x210d,
- "%s %d %8phC login\n", __func__, __LINE__,
- fcport->port_name);
- fcport->d_id = ea->id;
- qla24xx_fcport_handle_login(vha, fcport);
- break;
- case DSC_DELETE_PEND:
- fcport->d_id = ea->id;
- break;
- default:
- fcport->d_id = ea->id;
- break;
- }
- } else {
- list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
- list) {
- if (conflict->d_id.b24 == ea->id.b24) {
- /* 2 fcports with conflict Nport ID or
- * an existing fcport is having nport ID
- * conflict with new fcport.
- */
- ql_dbg(ql_dbg_disc, vha, 0xffff,
- "%s %d %8phC DS %d\n",
- __func__, __LINE__,
- conflict->port_name,
- conflict->disc_state);
-
- conflict->scan_state = QLA_FCPORT_SCAN;
- qlt_schedule_sess_for_deletion(conflict);
- }
- }
-
- /* create new fcport */
- ql_dbg(ql_dbg_disc, vha, 0x2065,
- "%s %d %8phC post new sess\n",
- __func__, __LINE__, ea->port_name);
- qla24xx_post_newsess_work(vha, &ea->id,
- ea->port_name, NULL, NULL, 0);
- }
- }
-}
-
-static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res)
-{
- struct scsi_qla_host *vha = sp->vha;
- struct ct_sns_req *ct_req =
- (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
- struct ct_sns_rsp *ct_rsp =
- (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
- struct event_arg ea;
- struct qla_work_evt *e;
- unsigned long flags;
-
- if (res)
- ql_dbg(ql_dbg_disc, vha, 0x2066,
- "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
- sp->name, res, sp->gen1, &ct_req->req.port_id.port_id,
- ct_rsp->rsp.gpn_id.port_name);
- else
- ql_dbg(ql_dbg_disc, vha, 0x2066,
- "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
- sp->name, sp->gen1, &ct_req->req.port_id.port_id,
- ct_rsp->rsp.gpn_id.port_name);
-
- memset(&ea, 0, sizeof(ea));
- memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
- ea.sp = sp;
- ea.id = be_to_port_id(ct_req->req.port_id.port_id);
- ea.rc = res;
-
- spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
- list_del(&sp->elem);
- spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-
- if (res) {
- if (res == QLA_FUNCTION_TIMEOUT) {
- qla24xx_post_gpnid_work(sp->vha, &ea.id);
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
- return;
- }
- } else if (sp->gen1) {
- /* There was another RSCN for this Nport ID */
- qla24xx_post_gpnid_work(sp->vha, &ea.id);
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
- return;
- }
-
- qla24xx_handle_gpnid_event(vha, &ea);
-
- e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
- if (!e) {
- /* please ignore kernel warning. otherwise, we have mem leak. */
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.req_allocated_size,
- sp->u.iocb_cmd.u.ctarg.req,
- sp->u.iocb_cmd.u.ctarg.req_dma);
- sp->u.iocb_cmd.u.ctarg.req = NULL;
-
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
- sp->u.iocb_cmd.u.ctarg.rsp,
- sp->u.iocb_cmd.u.ctarg.rsp_dma);
- sp->u.iocb_cmd.u.ctarg.rsp = NULL;
-
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
- return;
- }
-
- e->u.iosb.sp = sp;
- qla2x00_post_work(vha, e);
-}
-
-/* Get WWPN with Nport ID. */
-int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
-{
- int rval = QLA_FUNCTION_FAILED;
- struct ct_sns_req *ct_req;
- srb_t *sp, *tsp;
- struct ct_sns_pkt *ct_sns;
- unsigned long flags;
-
- if (!vha->flags.online)
- goto done;
-
- /* ref: INIT */
- sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
- if (!sp)
- goto done;
-
- sp->type = SRB_CT_PTHRU_CMD;
- sp->name = "gpnid";
- sp->u.iocb_cmd.u.ctarg.id = *id;
- sp->gen1 = 0;
- qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
- qla2x00_async_gpnid_sp_done);
-
- spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
- list_for_each_entry(tsp, &vha->gpnid_list, elem) {
- if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
- tsp->gen1++;
- spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
- goto done;
- }
- }
- list_add_tail(&sp->elem, &vha->gpnid_list);
- spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-
- sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
- GFP_KERNEL);
- sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
- if (!sp->u.iocb_cmd.u.ctarg.req) {
- ql_log(ql_log_warn, vha, 0xd041,
- "Failed to allocate ct_sns request.\n");
- goto done_free_sp;
- }
-
- sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
- GFP_KERNEL);
- sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
- if (!sp->u.iocb_cmd.u.ctarg.rsp) {
- ql_log(ql_log_warn, vha, 0xd042,
- "Failed to allocate ct_sns request.\n");
- goto done_free_sp;
- }
-
- ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
- memset(ct_sns, 0, sizeof(*ct_sns));
-
- ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
- /* CT_IU preamble */
- ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
-
- /* GPN_ID req */
- ct_req->req.port_id.port_id = port_id_to_be_id(*id);
-
- sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
- sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
- sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
-
- ql_dbg(ql_dbg_disc, vha, 0x2067,
- "Async-%s hdl=%x ID %3phC.\n", sp->name,
- sp->handle, &ct_req->req.port_id.port_id);
-
- rval = qla2x00_start_sp(sp);
- if (rval != QLA_SUCCESS)
- goto done_free_sp;
-
- return rval;
-
-done_free_sp:
- spin_lock_irqsave(&vha->hw->vport_slock, flags);
- list_del(&sp->elem);
- spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
-
- if (sp->u.iocb_cmd.u.ctarg.req) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
- sp->u.iocb_cmd.u.ctarg.req,
- sp->u.iocb_cmd.u.ctarg.req_dma);
- sp->u.iocb_cmd.u.ctarg.req = NULL;
- }
- if (sp->u.iocb_cmd.u.ctarg.rsp) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
- sp->u.iocb_cmd.u.ctarg.rsp,
- sp->u.iocb_cmd.u.ctarg.rsp_dma);
- sp->u.iocb_cmd.u.ctarg.rsp = NULL;
- }
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
-done:
- return rval;
-}
-
-
void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
{
struct scsi_qla_host *vha = sp->vha;
projects / platform / kernel / linux-starfive.git / commitdiff