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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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scsi: qla2xxx: Add ability to use GPNFT/GNNFT for RSCN handling
add ability to use gpnft/gnnft to handle RSCN. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran
Martin K. Petersen
parent
0616e9658a
commit
f352eeb754
@ -2972,6 +2972,11 @@ struct ct_sns_gpnft_pkt {
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} p;
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};
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enum scan_flags_t {
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SF_SCANNING = BIT_0,
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SF_QUEUED = BIT_1,
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};
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struct fab_scan_rp {
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port_id_t id;
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u8 port_name[8];
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@ -2981,6 +2986,8 @@ struct fab_scan_rp {
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struct fab_scan {
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struct fab_scan_rp *l;
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u32 size;
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enum scan_flags_t scan_flags;
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struct delayed_work scan_work;
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};
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/*
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@ -668,6 +668,7 @@ int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
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int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
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void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
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void qla24xx_sp_unmap(scsi_qla_host_t *, srb_t *);
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void qla_scan_work_fn(struct work_struct *);
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/*
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* Global Function Prototypes in qla_attr.c source file.
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@ -2976,8 +2976,10 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
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fc_port_t *fcport = ea->fcport;
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ql_dbg(ql_dbg_disc, vha, 0x201d,
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"%s %8phC login state %d\n",
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__func__, fcport->port_name, fcport->fw_login_state);
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"%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
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__func__, fcport->port_name, fcport->disc_state,
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fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
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fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
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if (fcport->disc_state == DSC_DELETE_PEND)
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return;
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@ -2985,9 +2987,9 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
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if (ea->sp->gen2 != fcport->login_gen) {
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/* PLOGI/PRLI/LOGO came in while cmd was out.*/
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ql_dbg(ql_dbg_disc, vha, 0x201e,
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"%s %8phC generation changed rscn %d|%d login %d|%d \n",
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"%s %8phC generation changed rscn %d|%d n",
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__func__, fcport->port_name, fcport->last_rscn_gen,
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fcport->rscn_gen, fcport->last_login_gen, fcport->login_gen);
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fcport->rscn_gen);
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return;
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}
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@ -3215,11 +3217,10 @@ void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
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struct fc_port *fcport = ea->fcport;
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ql_dbg(ql_dbg_disc, vha, 0x20d8,
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"%s %8phC DS %d LS %d rscn %d|%d login %d|%d lid %d\n",
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"%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
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__func__, fcport->port_name, fcport->disc_state,
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fcport->fw_login_state, fcport->last_rscn_gen, fcport->rscn_gen,
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fcport->last_login_gen, fcport->login_gen,
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fcport->loop_id);
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fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
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ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
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if (fcport->disc_state == DSC_DELETE_PEND)
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return;
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@ -3227,10 +3228,8 @@ void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
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if (ea->sp->gen2 != fcport->login_gen) {
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/* target side must have changed it. */
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ql_dbg(ql_dbg_disc, vha, 0x20d3,
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"%s %8phC generation changed rscn %d|%d login %d|%d\n",
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__func__, fcport->port_name, fcport->last_rscn_gen,
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fcport->rscn_gen, fcport->last_login_gen,
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fcport->login_gen);
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"%s %8phC generation changed\n",
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__func__, fcport->port_name);
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return;
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} else if (ea->sp->gen1 != fcport->rscn_gen) {
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ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
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@ -3862,6 +3861,7 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
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bool found;
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u8 fc4type = sp->gen2;
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struct fab_scan_rp *rp;
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unsigned long flags;
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ql_dbg(ql_dbg_disc, vha, 0xffff,
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"%s enter\n", __func__);
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@ -3939,16 +3939,15 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
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if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
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continue;
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if (fcport->scan_state == QLA_FCPORT_SCAN) {
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if (fcport->scan_state != QLA_FCPORT_FOUND) {
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if ((qla_dual_mode_enabled(vha) ||
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qla_ini_mode_enabled(vha)) &&
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atomic_read(&fcport->state) == FCS_ONLINE) {
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qla2x00_mark_device_lost(vha, fcport,
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ql2xplogiabsentdevice, 0);
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if (fcport->loop_id != FC_NO_LOOP_ID &&
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(fcport->flags & FCF_FCP2_DEVICE) == 0 &&
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fcport->port_type != FCT_INITIATOR &&
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fcport->port_type != FCT_BROADCAST) {
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(fcport->flags & FCF_FCP2_DEVICE) == 0) {
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ql_dbg(ql_dbg_disc, vha, 0x20f0,
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"%s %d %8phC post del sess\n",
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__func__, __LINE__,
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@ -3959,14 +3958,16 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
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continue;
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}
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}
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}
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if (fcport->scan_state == QLA_FCPORT_FOUND)
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} else
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qla24xx_fcport_handle_login(vha, fcport);
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}
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out:
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qla24xx_sp_unmap(vha, sp);
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spin_lock_irqsave(&vha->work_lock, flags);
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vha->scan.scan_flags &= ~SF_SCANNING;
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spin_unlock_irqrestore(&vha->work_lock, flags);
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}
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static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
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@ -3995,6 +3996,9 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
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"Async done-%s timed out.\n",
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sp->name);
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sp->free(sp);
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spin_lock_irqsave(&vha->work_lock, flags);
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vha->scan.scan_flags &= ~SF_SCANNING;
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spin_unlock_irqrestore(&vha->work_lock, flags);
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set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
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set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
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qla2xxx_wake_dpc(vha);
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@ -4086,14 +4090,17 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
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struct ct_sns_req *ct_req;
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struct ct_sns_pkt *ct_sns;
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if (!vha->flags.online)
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if (!vha->flags.online) {
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vha->scan.scan_flags &= ~SF_SCANNING;
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goto done_free_sp;
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}
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if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
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ql_log(ql_log_warn, vha, 0xffff,
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"%s: req %p rsp %p are not setup\n",
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__func__, sp->u.iocb_cmd.u.ctarg.req,
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sp->u.iocb_cmd.u.ctarg.rsp);
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vha->scan.scan_flags &= ~SF_SCANNING;
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WARN_ON(1);
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goto done_free_sp;
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}
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@ -4166,14 +4173,25 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
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srb_t *sp;
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struct ct_sns_pkt *ct_sns;
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u32 rspsz;
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unsigned long flags;
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if (!vha->flags.online)
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return rval;
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sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
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if (!sp)
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spin_lock_irqsave(&vha->work_lock, flags);
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if (vha->scan.scan_flags & SF_SCANNING) {
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spin_unlock_irqrestore(&vha->work_lock, flags);
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ql_dbg(ql_dbg_disc, vha, 0xffff, "scan active\n");
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return rval;
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}
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vha->scan.scan_flags |= SF_SCANNING;
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spin_unlock_irqrestore(&vha->work_lock, flags);
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sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
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if (!sp) {
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vha->scan.scan_flags &= ~SF_SCANNING;
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return rval;
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}
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sp->type = SRB_CT_PTHRU_CMD;
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sp->name = "gpnft";
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@ -4187,6 +4205,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
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if (!sp->u.iocb_cmd.u.ctarg.req) {
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ql_log(ql_log_warn, vha, 0xffff,
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"Failed to allocate ct_sns request.\n");
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vha->scan.scan_flags &= ~SF_SCANNING;
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goto done_free_sp;
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}
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@ -4199,6 +4218,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
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if (!sp->u.iocb_cmd.u.ctarg.rsp) {
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ql_log(ql_log_warn, vha, 0xffff,
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"Failed to allocate ct_sns request.\n");
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vha->scan.scan_flags &= ~SF_SCANNING;
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goto done_free_sp;
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}
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@ -4219,8 +4239,10 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
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sp->done = qla2x00_async_gpnft_gnnft_sp_done;
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rval = qla2x00_start_sp(sp);
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if (rval != QLA_SUCCESS)
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if (rval != QLA_SUCCESS) {
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vha->scan.scan_flags &= ~SF_SCANNING;
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goto done_free_sp;
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}
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ql_dbg(ql_dbg_disc, vha, 0xffff,
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"Async-%s hdl=%x FC4Type %x.\n", sp->name,
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@ -4248,6 +4270,24 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
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return rval;
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}
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void qla_scan_work_fn(struct work_struct *work)
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{
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struct fab_scan *s = container_of(to_delayed_work(work),
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struct fab_scan, scan_work);
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struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
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scan);
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unsigned long flags;
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ql_dbg(ql_dbg_disc, vha, 0xffff,
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"%s: schedule loop resync\n", __func__);
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set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
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set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
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qla2xxx_wake_dpc(vha);
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spin_lock_irqsave(&vha->work_lock, flags);
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vha->scan.scan_flags &= ~SF_QUEUED;
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spin_unlock_irqrestore(&vha->work_lock, flags);
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}
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/* GNN_ID */
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void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
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{
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@ -4367,9 +4407,10 @@ void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
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fc_port_t *fcport = ea->fcport;
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ql_dbg(ql_dbg_disc, vha, 0xffff,
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"%s %d %8phC post gpsc fcp_cnt %d\n",
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__func__, __LINE__, fcport->port_name,
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vha->fcport_count);
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"%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
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__func__, fcport->port_name, fcport->disc_state,
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fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
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fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
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if (fcport->disc_state == DSC_DELETE_PEND)
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return;
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@ -4377,10 +4418,8 @@ void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
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if (ea->sp->gen2 != fcport->login_gen) {
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/* target side must have changed it. */
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ql_dbg(ql_dbg_disc, vha, 0x20d3,
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"%s %8phC generation changed rscn %d|%d login %d|%d\n",
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__func__, fcport->port_name, fcport->last_rscn_gen,
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fcport->rscn_gen, fcport->last_login_gen,
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fcport->login_gen);
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"%s %8phC generation changed\n",
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__func__, fcport->port_name);
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return;
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} else if (ea->sp->gen1 != fcport->rscn_gen) {
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ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
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@ -453,6 +453,12 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
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u8 current_login_state;
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fcport = ea->fcport;
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ql_dbg(ql_dbg_disc, vha, 0xffff,
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"%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
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__func__, fcport->port_name, fcport->disc_state,
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fcport->fw_login_state, ea->rc,
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fcport->login_gen, fcport->last_login_gen,
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fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
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if (fcport->disc_state == DSC_DELETE_PEND)
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return;
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@ -476,9 +482,8 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
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return;
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} else if (fcport->last_login_gen != fcport->login_gen) {
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ql_dbg(ql_dbg_disc, vha, 0x20e0,
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"%s %8phC login gen changed login %d|%d\n",
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__func__, fcport->port_name,
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fcport->last_login_gen, fcport->login_gen);
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"%s %8phC login gen changed\n",
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__func__, fcport->port_name);
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return;
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}
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@ -1058,7 +1063,6 @@ void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
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static
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void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
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{
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int rval = ea->rc;
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fc_port_t *fcport = ea->fcport;
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struct port_database_24xx *pd;
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struct srb *sp = ea->sp;
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@ -1068,8 +1072,8 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
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fcport->flags &= ~FCF_ASYNC_SENT;
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ql_dbg(ql_dbg_disc, vha, 0x20d2,
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"%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
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fcport->disc_state, pd->current_login_state, rval);
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"%s %8phC DS %d LS %d rc %d\n", __func__, fcport->port_name,
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fcport->disc_state, pd->current_login_state, ea->rc);
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if (fcport->disc_state == DSC_DELETE_PEND)
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return;
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@ -1139,11 +1143,11 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
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u64 wwn;
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ql_dbg(ql_dbg_disc, vha, 0x20d8,
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"%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d scan %d\n",
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"%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d retry %d lid %d scan %d\n",
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__func__, fcport->port_name, fcport->disc_state,
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fcport->fw_login_state, fcport->login_pause, fcport->flags,
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fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
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fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
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fcport->login_gen, fcport->login_retry,
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fcport->loop_id, fcport->scan_state);
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if (fcport->login_retry == 0)
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@ -1320,9 +1324,9 @@ void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
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void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
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{
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fc_port_t *fcport, *f, *tf;
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fc_port_t *f, *tf;
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uint32_t id = 0, mask, rid;
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int rc;
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unsigned long flags;
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switch (ea->event) {
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case FCME_RSCN:
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@ -1350,20 +1354,15 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
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return;
|
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switch (ea->id.b.rsvd_1) {
|
||||
case RSCN_PORT_ADDR:
|
||||
fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
|
||||
if (!fcport) {
|
||||
/* cable moved */
|
||||
rc = qla24xx_post_gpnid_work(vha, &ea->id);
|
||||
if (rc) {
|
||||
ql_log(ql_log_warn, vha, 0xd044,
|
||||
"RSCN GPNID work failed %02x%02x%02x\n",
|
||||
ea->id.b.domain, ea->id.b.area,
|
||||
ea->id.b.al_pa);
|
||||
}
|
||||
} else {
|
||||
ea->fcport = fcport;
|
||||
qla24xx_handle_rscn_event(fcport, ea);
|
||||
spin_lock_irqsave(&vha->work_lock, flags);
|
||||
if (vha->scan.scan_flags == 0) {
|
||||
ql_dbg(ql_dbg_disc, vha, 0xffff,
|
||||
"%s: schedule\n", __func__);
|
||||
vha->scan.scan_flags |= SF_QUEUED;
|
||||
schedule_delayed_work(&vha->scan.scan_work, 5);
|
||||
}
|
||||
spin_unlock_irqrestore(&vha->work_lock, flags);
|
||||
|
||||
break;
|
||||
case RSCN_AREA_ADDR:
|
||||
case RSCN_DOM_ADDR:
|
||||
@ -1642,6 +1641,13 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
|
||||
unsigned long flags;
|
||||
struct fc_port *fcport = ea->fcport;
|
||||
|
||||
ql_dbg(ql_dbg_disc, vha, 0xffff,
|
||||
"%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
|
||||
__func__, fcport->port_name, fcport->disc_state,
|
||||
fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
|
||||
ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1,
|
||||
ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
|
||||
|
||||
if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
|
||||
(fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
|
||||
ql_dbg(ql_dbg_disc, vha, 0x20ea,
|
||||
@ -1656,10 +1662,9 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
|
||||
if (ea->sp->gen2 != fcport->login_gen) {
|
||||
/* target side must have changed it. */
|
||||
ql_dbg(ql_dbg_disc, vha, 0x20d3,
|
||||
"%s %8phC generation changed rscn %d|%d login %d|%d\n",
|
||||
__func__, fcport->port_name, fcport->last_rscn_gen,
|
||||
fcport->rscn_gen, fcport->last_login_gen,
|
||||
fcport->login_gen);
|
||||
"%s %8phC generation changed\n",
|
||||
__func__, fcport->port_name);
|
||||
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
|
||||
return;
|
||||
} else if (ea->sp->gen1 != fcport->rscn_gen) {
|
||||
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
|
||||
@ -5214,9 +5219,6 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
|
||||
}
|
||||
}
|
||||
|
||||
list_for_each_entry(fcport, &vha->vp_fcports, list) {
|
||||
fcport->scan_state = QLA_FCPORT_SCAN;
|
||||
}
|
||||
|
||||
/* Mark the time right before querying FW for connected ports.
|
||||
* This process is long, asynchronous and by the time it's done,
|
||||
@ -5232,6 +5234,9 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
|
||||
if (rval)
|
||||
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
|
||||
} else {
|
||||
list_for_each_entry(fcport, &vha->vp_fcports, list)
|
||||
fcport->scan_state = QLA_FCPORT_SCAN;
|
||||
|
||||
rval = qla2x00_find_all_fabric_devs(vha);
|
||||
}
|
||||
if (rval != QLA_SUCCESS)
|
||||
|
||||
@ -4600,6 +4600,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
|
||||
scsi_remove_host(vha->host);
|
||||
return NULL;
|
||||
}
|
||||
INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
|
||||
|
||||
sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
|
||||
ql_dbg(ql_dbg_init, vha, 0x0041,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user