"disabled on enabling target mode and then on disabling target mode "
"enabled back; "
"\"disabled\" - initiator mode will never be enabled; "
+ "\"dual\" - Initiator Modes will be enabled. Target Mode can be activated "
+ "when ready "
"\"enabled\" (default) - initiator mode will always stay enabled.");
+static int ql_dm_tgt_ex_pct = 50;
+module_param(ql_dm_tgt_ex_pct, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(ql_dm_tgt_ex_pct,
+ "For Dual Mode (qlini_mode=dual), this parameter determines "
+ "the percentage of exchanges/cmds FW will allocate resources "
+ "for Target mode.");
+
int ql2x_ini_mode = QLA2XXX_INI_MODE_EXCLUSIVE;
static int temp_sam_status = SAM_STAT_BUSY;
static void qlt_24xx_atio_pkt(struct scsi_qla_host *ha,
struct atio_from_isp *pkt, uint8_t);
static void qlt_response_pkt(struct scsi_qla_host *ha, response_t *pkt);
-static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
+static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun,
int fn, void *iocb, int flags);
static void qlt_send_term_exchange(struct scsi_qla_host *ha, struct qla_tgt_cmd
*cmd, struct atio_from_isp *atio, int ha_locked, int ul_abort);
-static void qlt_reject_free_srr_imm(struct scsi_qla_host *ha,
- struct qla_tgt_srr_imm *imm, int ha_lock);
static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha,
struct qla_tgt_cmd *cmd);
static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha,
uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan);
static void qlt_send_term_imm_notif(struct scsi_qla_host *vha,
struct imm_ntfy_from_isp *imm, int ha_locked);
+static struct fc_port *qlt_create_sess(struct scsi_qla_host *vha,
+ fc_port_t *fcport, bool local);
+void qlt_unreg_sess(struct fc_port *sess);
+static void qlt_24xx_handle_abts(struct scsi_qla_host *,
+ struct abts_recv_from_24xx *);
+
/*
* Global Variables
*/
static DEFINE_MUTEX(qla_tgt_mutex);
static LIST_HEAD(qla_tgt_glist);
+static const char *prot_op_str(u32 prot_op)
+{
+ switch (prot_op) {
+ case TARGET_PROT_NORMAL: return "NORMAL";
+ case TARGET_PROT_DIN_INSERT: return "DIN_INSERT";
+ case TARGET_PROT_DOUT_INSERT: return "DOUT_INSERT";
+ case TARGET_PROT_DIN_STRIP: return "DIN_STRIP";
+ case TARGET_PROT_DOUT_STRIP: return "DOUT_STRIP";
+ case TARGET_PROT_DIN_PASS: return "DIN_PASS";
+ case TARGET_PROT_DOUT_PASS: return "DOUT_PASS";
+ default: return "UNKNOWN";
+ }
+}
+
/* This API intentionally takes dest as a parameter, rather than returning
* int value to avoid caller forgetting to issue wmb() after the store */
void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest)
wmb();
}
-/* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) */
-static struct qla_tgt_sess *qlt_find_sess_by_port_name(
- struct qla_tgt *tgt,
- const uint8_t *port_name)
-{
- struct qla_tgt_sess *sess;
-
- list_for_each_entry(sess, &tgt->sess_list, sess_list_entry) {
- if (!memcmp(sess->port_name, port_name, WWN_SIZE))
- return sess;
- }
-
- return NULL;
-}
-
/* Might release hw lock, then reaquire!! */
static inline int qlt_issue_marker(struct scsi_qla_host *vha, int vha_locked)
{
spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags);
}
+
+static void qlt_queue_unknown_atio(scsi_qla_host_t *vha,
+ struct atio_from_isp *atio, uint8_t ha_locked)
+{
+ struct qla_tgt_sess_op *u;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ unsigned long flags;
+
+ if (tgt->tgt_stop) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "qla_target(%d): dropping unknown ATIO_TYPE7, "
+ "because tgt is being stopped", vha->vp_idx);
+ goto out_term;
+ }
+
+ u = kzalloc(sizeof(*u), GFP_ATOMIC);
+ if (u == NULL) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "Alloc of struct unknown_atio (size %zd) failed", sizeof(*u));
+ /* It should be harmless and on the next retry should work well */
+ goto out_term;
+ }
+
+ u->vha = vha;
+ memcpy(&u->atio, atio, sizeof(*atio));
+ INIT_LIST_HEAD(&u->cmd_list);
+
+ spin_lock_irqsave(&vha->cmd_list_lock, flags);
+ list_add_tail(&u->cmd_list, &vha->unknown_atio_list);
+ spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
+
+ schedule_delayed_work(&vha->unknown_atio_work, 1);
+
+out:
+ return;
+
+out_term:
+ qlt_send_term_exchange(vha, NULL, atio, ha_locked, 0);
+ goto out;
+}
+
+static void qlt_try_to_dequeue_unknown_atios(struct scsi_qla_host *vha,
+ uint8_t ha_locked)
+{
+ struct qla_tgt_sess_op *u, *t;
+ scsi_qla_host_t *host;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ unsigned long flags;
+ uint8_t queued = 0;
+
+ list_for_each_entry_safe(u, t, &vha->unknown_atio_list, cmd_list) {
+ if (u->aborted) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "Freeing unknown %s %p, because of Abort",
+ "ATIO_TYPE7", u);
+ qlt_send_term_exchange(vha, NULL, &u->atio,
+ ha_locked, 0);
+ goto abort;
+ }
+
+ host = qlt_find_host_by_d_id(vha, u->atio.u.isp24.fcp_hdr.d_id);
+ if (host != NULL) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "Requeuing unknown ATIO_TYPE7 %p", u);
+ qlt_24xx_atio_pkt(host, &u->atio, ha_locked);
+ } else if (tgt->tgt_stop) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "Freeing unknown %s %p, because tgt is being stopped",
+ "ATIO_TYPE7", u);
+ qlt_send_term_exchange(vha, NULL, &u->atio,
+ ha_locked, 0);
+ } else {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "u %p, vha %p, host %p, sched again..", u,
+ vha, host);
+ if (!queued) {
+ queued = 1;
+ schedule_delayed_work(&vha->unknown_atio_work,
+ 1);
+ }
+ continue;
+ }
+
+abort:
+ spin_lock_irqsave(&vha->cmd_list_lock, flags);
+ list_del(&u->cmd_list);
+ spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
+ kfree(u);
+ }
+}
+
+void qlt_unknown_atio_work_fn(struct work_struct *work)
+{
+ struct scsi_qla_host *vha = container_of(to_delayed_work(work),
+ struct scsi_qla_host, unknown_atio_work);
+
+ qlt_try_to_dequeue_unknown_atios(vha, 0);
+}
+
static bool qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha,
struct atio_from_isp *atio, uint8_t ha_locked)
{
atio->u.isp24.fcp_hdr.d_id[0],
atio->u.isp24.fcp_hdr.d_id[1],
atio->u.isp24.fcp_hdr.d_id[2]);
+
+
+ qlt_queue_unknown_atio(vha, atio, ha_locked);
break;
}
+ if (unlikely(!list_empty(&vha->unknown_atio_list)))
+ qlt_try_to_dequeue_unknown_atios(vha, ha_locked);
+
qlt_24xx_atio_pkt(host, atio, ha_locked);
break;
}
break;
}
+ case VP_RPT_ID_IOCB_TYPE:
+ qla24xx_report_id_acquisition(vha,
+ (struct vp_rpt_id_entry_24xx *)atio);
+ break;
+
+ case ABTS_RECV_24XX:
+ {
+ struct abts_recv_from_24xx *entry =
+ (struct abts_recv_from_24xx *)atio;
+ struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+ entry->vp_index);
+ unsigned long flags;
+
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xffff,
+ "qla_target(%d): Response pkt (ABTS_RECV_24XX) "
+ "received, with unknown vp_index %d\n",
+ vha->vp_idx, entry->vp_index);
+ break;
+ }
+ if (!ha_locked)
+ spin_lock_irqsave(&host->hw->hardware_lock, flags);
+ qlt_24xx_handle_abts(host, (struct abts_recv_from_24xx *)atio);
+ if (!ha_locked)
+ spin_unlock_irqrestore(&host->hw->hardware_lock, flags);
+ break;
+ }
+
+ /* case PUREX_IOCB_TYPE: ql2xmvasynctoatio */
+
default:
ql_dbg(ql_dbg_tgt, vha, 0xe040,
"qla_target(%d): Received unknown ATIO atio "
/*
* All qlt_plogi_ack_t operations are protected by hardware_lock
*/
+static int qla24xx_post_nack_work(struct scsi_qla_host *vha, fc_port_t *fcport,
+ struct imm_ntfy_from_isp *ntfy, int type)
+{
+ struct qla_work_evt *e;
+ e = qla2x00_alloc_work(vha, QLA_EVT_NACK);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.nack.fcport = fcport;
+ e->u.nack.type = type;
+ memcpy(e->u.nack.iocb, ntfy, sizeof(struct imm_ntfy_from_isp));
+ return qla2x00_post_work(vha, e);
+}
+
+static
+void qla2x00_async_nack_sp_done(void *s, int res)
+{
+ struct srb *sp = (struct srb *)s;
+ struct scsi_qla_host *vha = sp->vha;
+ unsigned long flags;
+
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "Async done-%s res %x %8phC type %d\n",
+ sp->name, res, sp->fcport->port_name, sp->type);
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ sp->fcport->flags &= ~FCF_ASYNC_SENT;
+ sp->fcport->chip_reset = vha->hw->chip_reset;
+
+ switch (sp->type) {
+ case SRB_NACK_PLOGI:
+ sp->fcport->login_gen++;
+ sp->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
+ sp->fcport->logout_on_delete = 1;
+ sp->fcport->plogi_nack_done_deadline = jiffies + HZ;
+ break;
+
+ case SRB_NACK_PRLI:
+ sp->fcport->fw_login_state = DSC_LS_PRLI_COMP;
+ sp->fcport->deleted = 0;
+
+ if (!sp->fcport->login_succ &&
+ !IS_SW_RESV_ADDR(sp->fcport->d_id)) {
+ sp->fcport->login_succ = 1;
+
+ vha->fcport_count++;
+
+ if (!IS_IIDMA_CAPABLE(vha->hw) ||
+ !vha->hw->flags.gpsc_supported) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post upd_fcport fcp_cnt %d\n",
+ __func__, __LINE__,
+ sp->fcport->port_name,
+ vha->fcport_count);
+
+ qla24xx_post_upd_fcport_work(vha, sp->fcport);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post gpsc fcp_cnt %d\n",
+ __func__, __LINE__,
+ sp->fcport->port_name,
+ vha->fcport_count);
+
+ qla24xx_post_gpsc_work(vha, sp->fcport);
+ }
+ }
+ break;
+
+ case SRB_NACK_LOGO:
+ sp->fcport->login_gen++;
+ sp->fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
+ qlt_logo_completion_handler(sp->fcport, MBS_COMMAND_COMPLETE);
+ break;
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ sp->free(sp);
+}
+
+int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport,
+ struct imm_ntfy_from_isp *ntfy, int type)
+{
+ int rval = QLA_FUNCTION_FAILED;
+ srb_t *sp;
+ char *c = NULL;
+
+ fcport->flags |= FCF_ASYNC_SENT;
+ switch (type) {
+ case SRB_NACK_PLOGI:
+ fcport->fw_login_state = DSC_LS_PLOGI_PEND;
+ c = "PLOGI";
+ break;
+ case SRB_NACK_PRLI:
+ fcport->fw_login_state = DSC_LS_PRLI_PEND;
+ c = "PRLI";
+ break;
+ case SRB_NACK_LOGO:
+ fcport->fw_login_state = DSC_LS_LOGO_PEND;
+ c = "LOGO";
+ break;
+ }
+
+ sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
+ if (!sp)
+ goto done;
+
+ sp->type = type;
+ sp->name = "nack";
+
+ qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
+
+ sp->u.iocb_cmd.u.nack.ntfy = ntfy;
+
+ sp->done = qla2x00_async_nack_sp_done;
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "Async-%s %8phC hndl %x %s\n",
+ sp->name, fcport->port_name, sp->handle, c);
+
+ return rval;
+
+done_free_sp:
+ sp->free(sp);
+done:
+ fcport->flags &= ~FCF_ASYNC_SENT;
+ return rval;
+}
+
+void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
+{
+ fc_port_t *t;
+ unsigned long flags;
+
+ switch (e->u.nack.type) {
+ case SRB_NACK_PRLI:
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
+ t = qlt_create_sess(vha, e->u.nack.fcport, 0);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
+ if (t) {
+ ql_log(ql_log_info, vha, 0xffff,
+ "%s create sess success %p", __func__, t);
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ /* create sess has an extra kref */
+ vha->hw->tgt.tgt_ops->put_sess(e->u.nack.fcport);
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ }
+ break;
+ }
+ qla24xx_async_notify_ack(vha, e->u.nack.fcport,
+ (struct imm_ntfy_from_isp*)e->u.nack.iocb, e->u.nack.type);
+}
+
+void qla24xx_delete_sess_fn(struct work_struct *work)
+{
+ fc_port_t *fcport = container_of(work, struct fc_port, del_work);
+ struct qla_hw_data *ha = fcport->vha->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+
+ if (fcport->se_sess) {
+ ha->tgt.tgt_ops->shutdown_sess(fcport);
+ ha->tgt.tgt_ops->put_sess(fcport);
+ } else {
+ qlt_unreg_sess(fcport);
+ }
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+}
+
+/*
+ * Called from qla2x00_reg_remote_port()
+ */
+void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ struct fc_port *sess = fcport;
+ unsigned long flags;
+
+ if (!vha->hw->tgt.tgt_ops)
+ return;
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ if (tgt->tgt_stop) {
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ return;
+ }
+
+ if (fcport->disc_state == DSC_DELETE_PEND) {
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ return;
+ }
+
+ if (!sess->se_sess) {
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
+ sess = qlt_create_sess(vha, fcport, false);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ } else {
+ if (fcport->fw_login_state == DSC_LS_PRLI_COMP) {
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ return;
+ }
+
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s: kref_get fail sess %8phC \n",
+ __func__, sess->port_name);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04c,
+ "qla_target(%u): %ssession for port %8phC "
+ "(loop ID %d) reappeared\n", vha->vp_idx,
+ sess->local ? "local " : "", sess->port_name, sess->loop_id);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007,
+ "Reappeared sess %p\n", sess);
+
+ ha->tgt.tgt_ops->update_sess(sess, fcport->d_id,
+ fcport->loop_id,
+ (fcport->flags & FCF_CONF_COMP_SUPPORTED));
+ }
+
+ if (sess && sess->local) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04d,
+ "qla_target(%u): local session for "
+ "port %8phC (loop ID %d) became global\n", vha->vp_idx,
+ fcport->port_name, sess->loop_id);
+ sess->local = 0;
+ }
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+}
/*
* This is a zero-base ref-counting solution, since hardware_lock
* guarantees that ref_count is not modified concurrently.
* Upon successful return content of iocb is undefined
*/
-static qlt_plogi_ack_t *
+static struct qlt_plogi_ack_t *
qlt_plogi_ack_find_add(struct scsi_qla_host *vha, port_id_t *id,
struct imm_ntfy_from_isp *iocb)
{
- qlt_plogi_ack_t *pla;
+ struct qlt_plogi_ack_t *pla;
list_for_each_entry(pla, &vha->plogi_ack_list, list) {
if (pla->id.b24 == id->b24) {
qlt_send_term_imm_notif(vha, &pla->iocb, 1);
- pla->iocb = *iocb;
+ memcpy(&pla->iocb, iocb, sizeof(pla->iocb));
return pla;
}
}
return NULL;
}
- pla->iocb = *iocb;
+ memcpy(&pla->iocb, iocb, sizeof(pla->iocb));
pla->id = *id;
list_add_tail(&pla->list, &vha->plogi_ack_list);
return pla;
}
-static void qlt_plogi_ack_unref(struct scsi_qla_host *vha, qlt_plogi_ack_t *pla)
+void qlt_plogi_ack_unref(struct scsi_qla_host *vha,
+ struct qlt_plogi_ack_t *pla)
{
+ struct imm_ntfy_from_isp *iocb = &pla->iocb;
+ port_id_t port_id;
+ uint16_t loop_id;
+ fc_port_t *fcport = pla->fcport;
+
BUG_ON(!pla->ref_count);
pla->ref_count--;
if (pla->ref_count)
return;
- ql_dbg(ql_dbg_async, vha, 0x5089,
+ ql_dbg(ql_dbg_disc, vha, 0x5089,
"Sending PLOGI ACK to wwn %8phC s_id %02x:%02x:%02x loop_id %#04x"
- " exch %#x ox_id %#x\n", pla->iocb.u.isp24.port_name,
- pla->iocb.u.isp24.port_id[2], pla->iocb.u.isp24.port_id[1],
- pla->iocb.u.isp24.port_id[0],
- le16_to_cpu(pla->iocb.u.isp24.nport_handle),
- pla->iocb.u.isp24.exchange_address, pla->iocb.ox_id);
- qlt_send_notify_ack(vha, &pla->iocb, 0, 0, 0, 0, 0, 0);
+ " exch %#x ox_id %#x\n", iocb->u.isp24.port_name,
+ iocb->u.isp24.port_id[2], iocb->u.isp24.port_id[1],
+ iocb->u.isp24.port_id[0],
+ le16_to_cpu(iocb->u.isp24.nport_handle),
+ iocb->u.isp24.exchange_address, iocb->ox_id);
+
+ port_id.b.domain = iocb->u.isp24.port_id[2];
+ port_id.b.area = iocb->u.isp24.port_id[1];
+ port_id.b.al_pa = iocb->u.isp24.port_id[0];
+ port_id.b.rsvd_1 = 0;
+
+ loop_id = le16_to_cpu(iocb->u.isp24.nport_handle);
+
+ fcport->loop_id = loop_id;
+ fcport->d_id = port_id;
+ qla24xx_post_nack_work(vha, fcport, iocb, SRB_NACK_PLOGI);
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->plogi_link[QLT_PLOGI_LINK_SAME_WWN] == pla)
+ fcport->plogi_link[QLT_PLOGI_LINK_SAME_WWN] = NULL;
+ if (fcport->plogi_link[QLT_PLOGI_LINK_CONFLICT] == pla)
+ fcport->plogi_link[QLT_PLOGI_LINK_CONFLICT] = NULL;
+ }
list_del(&pla->list);
kmem_cache_free(qla_tgt_plogi_cachep, pla);
}
-static void
-qlt_plogi_ack_link(struct scsi_qla_host *vha, qlt_plogi_ack_t *pla,
- struct qla_tgt_sess *sess, qlt_plogi_link_t link)
+void
+qlt_plogi_ack_link(struct scsi_qla_host *vha, struct qlt_plogi_ack_t *pla,
+ struct fc_port *sess, enum qlt_plogi_link_t link)
{
+ struct imm_ntfy_from_isp *iocb = &pla->iocb;
/* Inc ref_count first because link might already be pointing at pla */
pla->ref_count++;
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf097,
+ "Linking sess %p [%d] wwn %8phC with PLOGI ACK to wwn %8phC"
+ " s_id %02x:%02x:%02x, ref=%d pla %p link %d\n",
+ sess, link, sess->port_name,
+ iocb->u.isp24.port_name, iocb->u.isp24.port_id[2],
+ iocb->u.isp24.port_id[1], iocb->u.isp24.port_id[0],
+ pla->ref_count, pla, link);
+
if (sess->plogi_link[link])
qlt_plogi_ack_unref(vha, sess->plogi_link[link]);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf097,
- "Linking sess %p [%d] wwn %8phC with PLOGI ACK to wwn %8phC"
- " s_id %02x:%02x:%02x, ref=%d\n", sess, link, sess->port_name,
- pla->iocb.u.isp24.port_name, pla->iocb.u.isp24.port_id[2],
- pla->iocb.u.isp24.port_id[1], pla->iocb.u.isp24.port_id[0],
- pla->ref_count);
+ if (link == QLT_PLOGI_LINK_SAME_WWN)
+ pla->fcport = sess;
sess->plogi_link[link] = pla;
}
static void qlt_free_session_done(struct work_struct *work)
{
- struct qla_tgt_sess *sess = container_of(work, struct qla_tgt_sess,
+ struct fc_port *sess = container_of(work, struct fc_port,
free_work);
struct qla_tgt *tgt = sess->tgt;
struct scsi_qla_host *vha = sess->vha;
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
bool logout_started = false;
- fc_port_t fcport;
+ struct event_arg ea;
+ scsi_qla_host_t *base_vha;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf084,
"%s: se_sess %p / sess %p from port %8phC loop_id %#04x"
" s_id %02x:%02x:%02x logout %d keep %d els_logo %d\n",
__func__, sess->se_sess, sess, sess->port_name, sess->loop_id,
- sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
+ sess->d_id.b.domain, sess->d_id.b.area, sess->d_id.b.al_pa,
sess->logout_on_delete, sess->keep_nport_handle,
sess->send_els_logo);
- BUG_ON(!tgt);
- if (sess->send_els_logo) {
- qlt_port_logo_t logo;
- logo.id = sess->s_id;
- logo.cmd_count = 0;
- qlt_send_first_logo(vha, &logo);
- }
+ if (!IS_SW_RESV_ADDR(sess->d_id)) {
+ if (sess->send_els_logo) {
+ qlt_port_logo_t logo;
- if (sess->logout_on_delete) {
- int rc;
+ logo.id = sess->d_id;
+ logo.cmd_count = 0;
+ qlt_send_first_logo(vha, &logo);
+ }
- memset(&fcport, 0, sizeof(fcport));
- fcport.loop_id = sess->loop_id;
- fcport.d_id = sess->s_id;
- memcpy(fcport.port_name, sess->port_name, WWN_SIZE);
- fcport.vha = vha;
- fcport.tgt_session = sess;
-
- rc = qla2x00_post_async_logout_work(vha, &fcport, NULL);
- if (rc != QLA_SUCCESS)
- ql_log(ql_log_warn, vha, 0xf085,
- "Schedule logo failed sess %p rc %d\n",
- sess, rc);
- else
- logout_started = true;
+ if (sess->logout_on_delete) {
+ int rc;
+
+ rc = qla2x00_post_async_logout_work(vha, sess, NULL);
+ if (rc != QLA_SUCCESS)
+ ql_log(ql_log_warn, vha, 0xf085,
+ "Schedule logo failed sess %p rc %d\n",
+ sess, rc);
+ else
+ logout_started = true;
+ }
}
/*
msleep(100);
}
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf087,
- "%s: sess %p logout completed\n",
- __func__, sess);
+ ql_dbg(ql_dbg_disc, vha, 0xf087,
+ "%s: sess %p logout completed\n",__func__, sess);
}
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (sess->logo_ack_needed) {
+ sess->logo_ack_needed = 0;
+ qla24xx_async_notify_ack(vha, sess,
+ (struct imm_ntfy_from_isp *)sess->iocb, SRB_NACK_LOGO);
+ }
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ if (sess->se_sess) {
+ sess->se_sess = NULL;
+ if (tgt && !IS_SW_RESV_ADDR(sess->d_id))
+ tgt->sess_count--;
+ }
+
+ sess->disc_state = DSC_DELETED;
+ sess->fw_login_state = DSC_LS_PORT_UNAVAIL;
+ sess->deleted = QLA_SESS_DELETED;
+ sess->login_retry = vha->hw->login_retry_count;
+
+ if (sess->login_succ && !IS_SW_RESV_ADDR(sess->d_id)) {
+ vha->fcport_count--;
+ sess->login_succ = 0;
+ }
+
+ if (sess->chip_reset != sess->vha->hw->chip_reset)
+ qla2x00_clear_loop_id(sess);
+
+ if (sess->conflict) {
+ sess->conflict->login_pause = 0;
+ sess->conflict = NULL;
+ if (!test_bit(UNLOADING, &vha->dpc_flags))
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ }
{
- qlt_plogi_ack_t *own =
+ struct qlt_plogi_ack_t *own =
sess->plogi_link[QLT_PLOGI_LINK_SAME_WWN];
- qlt_plogi_ack_t *con =
+ struct qlt_plogi_ack_t *con =
sess->plogi_link[QLT_PLOGI_LINK_CONFLICT];
+ struct imm_ntfy_from_isp *iocb;
if (con) {
+ iocb = &con->iocb;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf099,
- "se_sess %p / sess %p port %8phC is gone,"
- " %s (ref=%d), releasing PLOGI for %8phC (ref=%d)\n",
- sess->se_sess, sess, sess->port_name,
- own ? "releasing own PLOGI" :
- "no own PLOGI pending",
- own ? own->ref_count : -1,
- con->iocb.u.isp24.port_name, con->ref_count);
+ "se_sess %p / sess %p port %8phC is gone,"
+ " %s (ref=%d), releasing PLOGI for %8phC (ref=%d)\n",
+ sess->se_sess, sess, sess->port_name,
+ own ? "releasing own PLOGI" : "no own PLOGI pending",
+ own ? own->ref_count : -1,
+ iocb->u.isp24.port_name, con->ref_count);
qlt_plogi_ack_unref(vha, con);
+ sess->plogi_link[QLT_PLOGI_LINK_CONFLICT] = NULL;
} else {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf09a,
"se_sess %p / sess %p port %8phC is gone, %s (ref=%d)\n",
own ? own->ref_count : -1);
}
- if (own)
+ if (own) {
+ sess->fw_login_state = DSC_LS_PLOGI_PEND;
qlt_plogi_ack_unref(vha, own);
+ sess->plogi_link[QLT_PLOGI_LINK_SAME_WWN] = NULL;
+ }
}
-
- list_del(&sess->sess_list_entry);
-
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf001,
- "Unregistration of sess %p finished\n", sess);
+ "Unregistration of sess %p %8phC finished fcp_cnt %d\n",
+ sess, sess->port_name, vha->fcport_count);
- kfree(sess);
- /*
- * We need to protect against race, when tgt is freed before or
- * inside wake_up()
- */
- tgt->sess_count--;
- if (tgt->sess_count == 0)
+ if (tgt && (tgt->sess_count == 0))
wake_up_all(&tgt->waitQ);
+
+ if (vha->fcport_count == 0)
+ wake_up_all(&vha->fcport_waitQ);
+
+ base_vha = pci_get_drvdata(ha->pdev);
+ if (test_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags))
+ return;
+
+ if (!tgt || !tgt->tgt_stop) {
+ memset(&ea, 0, sizeof(ea));
+ ea.event = FCME_DELETE_DONE;
+ ea.fcport = sess;
+ qla2x00_fcport_event_handler(vha, &ea);
+ }
}
/* ha->tgt.sess_lock supposed to be held on entry */
-static void qlt_release_session(struct kref *kref)
+void qlt_unreg_sess(struct fc_port *sess)
{
- struct qla_tgt_sess *sess =
- container_of(kref, struct qla_tgt_sess, sess_kref);
struct scsi_qla_host *vha = sess->vha;
+ ql_dbg(ql_dbg_disc, sess->vha, 0xffff,
+ "%s sess %p for deletion %8phC\n",
+ __func__, sess, sess->port_name);
+
if (sess->se_sess)
vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess);
- if (!list_empty(&sess->del_list_entry))
- list_del_init(&sess->del_list_entry);
+ qla2x00_mark_device_lost(vha, sess, 1, 1);
+
sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
+ sess->disc_state = DSC_DELETE_PEND;
+ sess->last_rscn_gen = sess->rscn_gen;
+ sess->last_login_gen = sess->login_gen;
INIT_WORK(&sess->free_work, qlt_free_session_done);
schedule_work(&sess->free_work);
}
-
-void qlt_put_sess(struct qla_tgt_sess *sess)
-{
- if (!sess)
- return;
-
- assert_spin_locked(&sess->vha->hw->tgt.sess_lock);
- kref_put(&sess->sess_kref, qlt_release_session);
-}
-EXPORT_SYMBOL(qlt_put_sess);
+EXPORT_SYMBOL(qlt_unreg_sess);
static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess = NULL;
+ struct fc_port *sess = NULL;
uint16_t loop_id;
int res = 0;
struct imm_ntfy_from_isp *n = (struct imm_ntfy_from_isp *)iocb;
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
qlt_clear_tgt_db(vha->vha_tgt.qla_tgt);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-#if 0 /* FIXME: do we need to choose a session here? */
- if (!list_empty(&ha->tgt.qla_tgt->sess_list)) {
- sess = list_entry(ha->tgt.qla_tgt->sess_list.next,
- typeof(*sess), sess_list_entry);
- switch (mcmd) {
- case QLA_TGT_NEXUS_LOSS_SESS:
- mcmd = QLA_TGT_NEXUS_LOSS;
- break;
- case QLA_TGT_ABORT_ALL_SESS:
- mcmd = QLA_TGT_ABORT_ALL;
- break;
- case QLA_TGT_NEXUS_LOSS:
- case QLA_TGT_ABORT_ALL:
- break;
- default:
- ql_dbg(ql_dbg_tgt, vha, 0xe046,
- "qla_target(%d): Not allowed "
- "command %x in %s", vha->vp_idx,
- mcmd, __func__);
- sess = NULL;
- break;
- }
- } else
- sess = NULL;
-#endif
} else {
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
sess = ha->tgt.tgt_ops->find_sess_by_loop_id(vha, loop_id);
return qlt_issue_task_mgmt(sess, 0, mcmd, iocb, QLA24XX_MGMT_SEND_NACK);
}
+static void qla24xx_chk_fcp_state(struct fc_port *sess)
+{
+ if (sess->chip_reset != sess->vha->hw->chip_reset) {
+ sess->logout_on_delete = 0;
+ sess->logo_ack_needed = 0;
+ sess->fw_login_state = DSC_LS_PORT_UNAVAIL;
+ sess->scan_state = 0;
+ }
+}
+
/* ha->tgt.sess_lock supposed to be held on entry */
-static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess,
+void qlt_schedule_sess_for_deletion(struct fc_port *sess,
bool immediate)
{
struct qla_tgt *tgt = sess->tgt;
- uint32_t dev_loss_tmo = tgt->ha->port_down_retry_count + 5;
- if (sess->deleted) {
- /* Upgrade to unconditional deletion in case it was temporary */
- if (immediate && sess->deleted == QLA_SESS_DELETION_PENDING)
- list_del(&sess->del_list_entry);
- else
+ if (sess->disc_state == DSC_DELETE_PEND)
+ return;
+
+ if (sess->disc_state == DSC_DELETED) {
+ if (tgt && tgt->tgt_stop && (tgt->sess_count == 0))
+ wake_up_all(&tgt->waitQ);
+ if (sess->vha->fcport_count == 0)
+ wake_up_all(&sess->vha->fcport_waitQ);
+
+ if (!sess->plogi_link[QLT_PLOGI_LINK_SAME_WWN] &&
+ !sess->plogi_link[QLT_PLOGI_LINK_CONFLICT])
return;
}
- ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
- "Scheduling sess %p for deletion\n", sess);
+ sess->disc_state = DSC_DELETE_PEND;
- if (immediate) {
- dev_loss_tmo = 0;
- sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
- list_add(&sess->del_list_entry, &tgt->del_sess_list);
- } else {
- sess->deleted = QLA_SESS_DELETION_PENDING;
- list_add_tail(&sess->del_list_entry, &tgt->del_sess_list);
- }
+ if (sess->deleted == QLA_SESS_DELETED)
+ sess->logout_on_delete = 0;
- sess->expires = jiffies + dev_loss_tmo * HZ;
+ sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
+ qla24xx_chk_fcp_state(sess);
- ql_dbg(ql_dbg_tgt, sess->vha, 0xe048,
- "qla_target(%d): session for port %8phC (loop ID %d s_id %02x:%02x:%02x)"
- " scheduled for deletion in %u secs (expires: %lu) immed: %d, logout: %d, gen: %#x\n",
- sess->vha->vp_idx, sess->port_name, sess->loop_id,
- sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
- dev_loss_tmo, sess->expires, immediate, sess->logout_on_delete,
- sess->generation);
+ ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
+ "Scheduling sess %p for deletion\n", sess);
- if (immediate)
- mod_delayed_work(system_wq, &tgt->sess_del_work, 0);
- else
- schedule_delayed_work(&tgt->sess_del_work,
- sess->expires - jiffies);
+ schedule_work(&sess->del_work);
+}
+
+void qlt_schedule_sess_for_deletion_lock(struct fc_port *sess)
+{
+ unsigned long flags;
+ struct qla_hw_data *ha = sess->vha->hw;
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ qlt_schedule_sess_for_deletion(sess, 1);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
}
/* ha->tgt.sess_lock supposed to be held on entry */
static void qlt_clear_tgt_db(struct qla_tgt *tgt)
{
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
+ scsi_qla_host_t *vha = tgt->vha;
- list_for_each_entry(sess, &tgt->sess_list, sess_list_entry)
- qlt_schedule_sess_for_deletion(sess, true);
+ list_for_each_entry(sess, &vha->vp_fcports, list) {
+ if (sess->se_sess)
+ qlt_schedule_sess_for_deletion(sess, 1);
+ }
/* At this point tgt could be already dead */
}
return res;
}
-/* ha->tgt.sess_lock supposed to be held on entry */
-static void qlt_undelete_sess(struct qla_tgt_sess *sess)
-{
- BUG_ON(sess->deleted != QLA_SESS_DELETION_PENDING);
-
- list_del_init(&sess->del_list_entry);
- sess->deleted = 0;
-}
-
-static void qlt_del_sess_work_fn(struct delayed_work *work)
-{
- struct qla_tgt *tgt = container_of(work, struct qla_tgt,
- sess_del_work);
- struct scsi_qla_host *vha = tgt->vha;
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
- unsigned long flags, elapsed;
-
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- while (!list_empty(&tgt->del_sess_list)) {
- sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
- del_list_entry);
- elapsed = jiffies;
- if (time_after_eq(elapsed, sess->expires)) {
- /* No turning back */
- list_del_init(&sess->del_list_entry);
- sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
- "Timeout: sess %p about to be deleted\n",
- sess);
- if (sess->se_sess)
- ha->tgt.tgt_ops->shutdown_sess(sess);
- qlt_put_sess(sess);
- } else {
- schedule_delayed_work(&tgt->sess_del_work,
- sess->expires - elapsed);
- break;
- }
- }
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-}
-
/*
* Adds an extra ref to allow to drop hw lock after adding sess to the list.
* Caller must put it.
*/
-static struct qla_tgt_sess *qlt_create_sess(
+static struct fc_port *qlt_create_sess(
struct scsi_qla_host *vha,
fc_port_t *fcport,
bool local)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess = fcport;
unsigned long flags;
- /* Check to avoid double sessions */
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- list_for_each_entry(sess, &vha->vha_tgt.qla_tgt->sess_list,
- sess_list_entry) {
- if (!memcmp(sess->port_name, fcport->port_name, WWN_SIZE)) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf005,
- "Double sess %p found (s_id %x:%x:%x, "
- "loop_id %d), updating to d_id %x:%x:%x, "
- "loop_id %d", sess, sess->s_id.b.domain,
- sess->s_id.b.al_pa, sess->s_id.b.area,
- sess->loop_id, fcport->d_id.b.domain,
- fcport->d_id.b.al_pa, fcport->d_id.b.area,
- fcport->loop_id);
-
- /* Cannot undelete at this point */
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
- spin_unlock_irqrestore(&ha->tgt.sess_lock,
- flags);
- return NULL;
- }
-
- if (sess->deleted)
- qlt_undelete_sess(sess);
-
- if (!sess->se_sess) {
- if (ha->tgt.tgt_ops->check_initiator_node_acl(vha,
- &sess->port_name[0], sess) < 0) {
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
- return NULL;
- }
- }
-
- kref_get(&sess->sess_kref);
- ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
- (fcport->flags & FCF_CONF_COMP_SUPPORTED));
-
- if (sess->local && !local)
- sess->local = 0;
-
- qlt_do_generation_tick(vha, &sess->generation);
-
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ if (vha->vha_tgt.qla_tgt->tgt_stop)
+ return NULL;
- return sess;
+ if (fcport->se_sess) {
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s: kref_get_unless_zero failed for %8phC\n",
+ __func__, sess->port_name);
+ return NULL;
}
- }
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-
- sess = kzalloc(sizeof(*sess), GFP_KERNEL);
- if (!sess) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04a,
- "qla_target(%u): session allocation failed, all commands "
- "from port %8phC will be refused", vha->vp_idx,
- fcport->port_name);
-
- return NULL;
+ return fcport;
}
sess->tgt = vha->vha_tgt.qla_tgt;
- sess->vha = vha;
- sess->s_id = fcport->d_id;
- sess->loop_id = fcport->loop_id;
sess->local = local;
- kref_init(&sess->sess_kref);
- INIT_LIST_HEAD(&sess->del_list_entry);
- /* Under normal circumstances we want to logout from firmware when
+ /*
+ * Under normal circumstances we want to logout from firmware when
* session eventually ends and release corresponding nport handle.
* In the exception cases (e.g. when new PLOGI is waiting) corresponding
- * code will adjust these flags as necessary. */
+ * code will adjust these flags as necessary.
+ */
sess->logout_on_delete = 1;
sess->keep_nport_handle = 0;
+ sess->logout_completed = 0;
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
- "Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
- sess, vha->vha_tgt.qla_tgt);
-
- sess->conf_compl_supported = (fcport->flags & FCF_CONF_COMP_SUPPORTED);
- BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name));
- memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
-
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list);
- vha->vha_tgt.qla_tgt->sess_count++;
- qlt_do_generation_tick(vha, &sess->generation);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
- "qla_target(%d): %ssession for wwn %8phC (loop_id %d, "
- "s_id %x:%x:%x, confirmed completion %ssupported) added\n",
- vha->vp_idx, local ? "local " : "", fcport->port_name,
- fcport->loop_id, sess->s_id.b.domain, sess->s_id.b.area,
- sess->s_id.b.al_pa, sess->conf_compl_supported ? "" : "not ");
-
- /*
- * Determine if this fc_port->port_name is allowed to access
- * target mode using explict NodeACLs+MappedLUNs, or using
- * TPG demo mode. If this is successful a target mode FC nexus
- * is created.
- */
if (ha->tgt.tgt_ops->check_initiator_node_acl(vha,
&fcport->port_name[0], sess) < 0) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "(%d) %8phC check_initiator_node_acl failed\n",
+ vha->vp_idx, fcport->port_name);
return NULL;
} else {
+ kref_init(&fcport->sess_kref);
/*
- * Take an extra reference to ->sess_kref here to handle qla_tgt_sess
- * access across ->tgt.sess_lock reaquire.
+ * Take an extra reference to ->sess_kref here to handle
+ * fc_port access across ->tgt.sess_lock reaquire.
*/
- kref_get(&sess->sess_kref);
- }
-
- return sess;
-}
-
-/*
- * Called from qla2x00_reg_remote_port()
- */
-void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
-{
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_sess *sess;
- unsigned long flags;
-
- if (!vha->hw->tgt.tgt_ops)
- return;
-
- if (!tgt || (fcport->port_type != FCT_INITIATOR))
- return;
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s: kref_get_unless_zero failed for %8phC\n",
+ __func__, sess->port_name);
+ return NULL;
+ }
- if (qla_ini_mode_enabled(vha))
- return;
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ if (!IS_SW_RESV_ADDR(sess->d_id))
+ vha->vha_tgt.qla_tgt->sess_count++;
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- if (tgt->tgt_stop) {
+ qlt_do_generation_tick(vha, &sess->generation);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
- return;
}
- sess = qlt_find_sess_by_port_name(tgt, fcport->port_name);
- if (!sess) {
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-
- mutex_lock(&vha->vha_tgt.tgt_mutex);
- sess = qlt_create_sess(vha, fcport, false);
- mutex_unlock(&vha->vha_tgt.tgt_mutex);
-
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- } else if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
- /* Point of no return */
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
- return;
- } else {
- kref_get(&sess->sess_kref);
-
- if (sess->deleted) {
- qlt_undelete_sess(sess);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04c,
- "qla_target(%u): %ssession for port %8phC "
- "(loop ID %d) reappeared\n", vha->vp_idx,
- sess->local ? "local " : "", sess->port_name,
- sess->loop_id);
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007,
- "Reappeared sess %p\n", sess);
- }
- ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
- (fcport->flags & FCF_CONF_COMP_SUPPORTED));
- }
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
+ "Adding sess %p se_sess %p to tgt %p sess_count %d\n",
+ sess, sess->se_sess, vha->vha_tgt.qla_tgt,
+ vha->vha_tgt.qla_tgt->sess_count);
- if (sess && sess->local) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04d,
- "qla_target(%u): local session for "
- "port %8phC (loop ID %d) became global\n", vha->vp_idx,
- fcport->port_name, sess->loop_id);
- sess->local = 0;
- }
- qlt_put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
+ "qla_target(%d): %ssession for wwn %8phC (loop_id %d, "
+ "s_id %x:%x:%x, confirmed completion %ssupported) added\n",
+ vha->vp_idx, local ? "local " : "", fcport->port_name,
+ fcport->loop_id, sess->d_id.b.domain, sess->d_id.b.area,
+ sess->d_id.b.al_pa, sess->conf_compl_supported ? "" : "not ");
+
+ return sess;
}
/*
qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen)
{
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess = fcport;
unsigned long flags;
if (!vha->hw->tgt.tgt_ops)
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
return;
}
- sess = qlt_find_sess_by_port_name(tgt, fcport->port_name);
- if (!sess) {
+ if (!sess->se_sess) {
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
return;
}
* We need to protect against race, when tgt is freed before or
* inside wake_up()
*/
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
ql_dbg(ql_dbg_tgt, tgt->vha, 0xe002,
- "tgt %p, empty(sess_list)=%d sess_count=%d\n",
- tgt, list_empty(&tgt->sess_list), tgt->sess_count);
+ "tgt %p, sess_count=%d\n",
+ tgt, tgt->sess_count);
res = (tgt->sess_count == 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
return res;
}
mutex_unlock(&vha->vha_tgt.tgt_mutex);
mutex_unlock(&qla_tgt_mutex);
- flush_delayed_work(&tgt->sess_del_work);
-
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf009,
"Waiting for sess works (tgt %p)", tgt);
spin_lock_irqsave(&tgt->sess_work_lock, flags);
spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00a,
- "Waiting for tgt %p: list_empty(sess_list)=%d "
- "sess_count=%d\n", tgt, list_empty(&tgt->sess_list),
- tgt->sess_count);
+ "Waiting for tgt %p: sess_count=%d\n", tgt, tgt->sess_count);
wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
/* Big hammer */
- if (!ha->flags.host_shutting_down && qla_tgt_mode_enabled(vha))
+ if (!ha->flags.host_shutting_down &&
+ (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)))
qlt_disable_vha(vha);
/* Wait for sessions to clear out (just in case) */
nack = (struct nack_to_isp *)pkt;
nack->ox_id = ntfy->ox_id;
+ nack->u.isp24.handle = QLA_TGT_SKIP_HANDLE;
nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
nack->u.isp24.flags = ntfy->u.isp24.flags &
}
}
+ list_for_each_entry(op, &vha->unknown_atio_list, cmd_list) {
+ if (tag == op->atio.u.isp24.exchange_addr) {
+ op->aborted = true;
+ spin_unlock(&vha->cmd_list_lock);
+ return 1;
+ }
+ }
+
list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
if (tag == cmd->atio.u.isp24.exchange_addr) {
cmd->aborted = 1;
if (op_key == key && op_lun == lun)
op->aborted = true;
}
+
+ list_for_each_entry(op, &vha->unknown_atio_list, cmd_list) {
+ uint32_t op_key;
+ u64 op_lun;
+
+ op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id);
+ op_lun = scsilun_to_int(
+ (struct scsi_lun *)&op->atio.u.isp24.fcp_cmnd.lun);
+ if (op_key == key && op_lun == lun)
+ op->aborted = true;
+ }
+
list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
uint32_t cmd_key;
uint32_t cmd_lun;
/* ha->hardware_lock supposed to be held on entry */
static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
- struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess)
+ struct abts_recv_from_24xx *abts, struct fc_port *sess)
{
struct qla_hw_data *ha = vha->hw;
struct se_session *se_sess = sess->se_sess;
u32 lun = 0;
int rc;
bool found_lun = false;
+ unsigned long flags;
- spin_lock(&se_sess->sess_cmd_lock);
+ spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
struct qla_tgt_cmd *cmd =
container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
break;
}
}
- spin_unlock(&se_sess->sess_cmd_lock);
+ spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
/* cmd not in LIO lists, look in qla list */
if (!found_lun) {
mcmd->sess = sess;
memcpy(&mcmd->orig_iocb.abts, abts, sizeof(mcmd->orig_iocb.abts));
mcmd->reset_count = vha->hw->chip_reset;
+ mcmd->tmr_func = QLA_TGT_ABTS;
- rc = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, TMR_ABORT_TASK,
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, mcmd->tmr_func,
abts->exchange_addr_to_abort);
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,
struct abts_recv_from_24xx *abts)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
uint32_t tag = abts->exchange_addr_to_abort;
uint8_t s_id[3];
int rc;
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ if (sess->deleted) {
qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
return;
}
}
EXPORT_SYMBOL(qlt_free_mcmd);
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then
+ * reacquire
+ */
+void qlt_send_resp_ctio(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
+ uint8_t scsi_status, uint8_t sense_key, uint8_t asc, uint8_t ascq)
+{
+ struct atio_from_isp *atio = &cmd->atio;
+ struct ctio7_to_24xx *ctio;
+ uint16_t temp;
+
+ ql_dbg(ql_dbg_tgt_dif, vha, 0x3066,
+ "Sending response CTIO7 (vha=%p, atio=%p, scsi_status=%02x, "
+ "sense_key=%02x, asc=%02x, ascq=%02x",
+ vha, atio, scsi_status, sense_key, asc, ascq);
+
+ ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(vha, NULL);
+ if (!ctio) {
+ ql_dbg(ql_dbg_async, vha, 0x3067,
+ "qla2x00t(%ld): %s failed: unable to allocate request packet",
+ vha->host_no, __func__);
+ goto out;
+ }
+
+ ctio->entry_type = CTIO_TYPE7;
+ ctio->entry_count = 1;
+ ctio->handle = QLA_TGT_SKIP_HANDLE;
+ ctio->nport_handle = cmd->sess->loop_id;
+ ctio->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio->vp_index = vha->vp_idx;
+ ctio->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ ctio->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ ctio->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ ctio->exchange_addr = atio->u.isp24.exchange_addr;
+ ctio->u.status1.flags = (atio->u.isp24.attr << 9) |
+ cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_SEND_STATUS);
+ temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+ ctio->u.status1.ox_id = cpu_to_le16(temp);
+ ctio->u.status1.scsi_status =
+ cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID | scsi_status);
+ ctio->u.status1.response_len = cpu_to_le16(18);
+ ctio->u.status1.residual = cpu_to_le32(get_datalen_for_atio(atio));
+
+ if (ctio->u.status1.residual != 0)
+ ctio->u.status1.scsi_status |=
+ cpu_to_le16(SS_RESIDUAL_UNDER);
+
+ /* Response code and sense key */
+ put_unaligned_le32(((0x70 << 24) | (sense_key << 8)),
+ (&ctio->u.status1.sense_data)[0]);
+ /* Additional sense length */
+ put_unaligned_le32(0x0a, (&ctio->u.status1.sense_data)[1]);
+ /* ASC and ASCQ */
+ put_unaligned_le32(((asc << 24) | (ascq << 16)),
+ (&ctio->u.status1.sense_data)[3]);
+
+ /* Memory Barrier */
+ wmb();
+
+ qla2x00_start_iocbs(vha, vha->req);
+out:
+ return;
+}
+
/* callback from target fabric module code */
void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd)
{
return;
}
- if (mcmd->flags == QLA24XX_MGMT_SEND_NACK)
- qlt_send_notify_ack(vha, &mcmd->orig_iocb.imm_ntfy,
- 0, 0, 0, 0, 0, 0);
- else {
+ if (mcmd->flags == QLA24XX_MGMT_SEND_NACK) {
+ if (mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
+ ELS_LOGO ||
+ mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
+ ELS_PRLO ||
+ mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
+ ELS_TPRLO) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "TM response logo %phC status %#x state %#x",
+ mcmd->sess->port_name, mcmd->fc_tm_rsp,
+ mcmd->flags);
+ qlt_schedule_sess_for_deletion_lock(mcmd->sess);
+ } else {
+ qlt_send_notify_ack(vha, &mcmd->orig_iocb.imm_ntfy,
+ 0, 0, 0, 0, 0, 0);
+ }
+ } else {
if (mcmd->orig_iocb.atio.u.raw.entry_type == ABTS_RECV_24XX)
qlt_24xx_send_abts_resp(vha, &mcmd->orig_iocb.abts,
mcmd->fc_tm_rsp, false);
*/
return -EAGAIN;
} else
- ha->tgt.cmds[h-1] = prm->cmd;
+ ha->tgt.cmds[h - 1] = prm->cmd;
pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
pkt->nport_handle = prm->cmd->loop_id;
return cmd->bufflen > 0;
}
+static void qlt_print_dif_err(struct qla_tgt_prm *prm)
+{
+ struct qla_tgt_cmd *cmd;
+ struct scsi_qla_host *vha;
+
+ /* asc 0x10=dif error */
+ if (prm->sense_buffer && (prm->sense_buffer[12] == 0x10)) {
+ cmd = prm->cmd;
+ vha = cmd->vha;
+ /* ASCQ */
+ switch (prm->sense_buffer[13]) {
+ case 1:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected Guard TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ case 2:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected APP TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ case 3:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected REF TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected Dif ERR: lba[%llx|%lld] len[%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ }
+ ql_dump_buffer(ql_dbg_tgt_dif, vha, 0xffff, cmd->cdb, 16);
+ }
+}
+
/*
* Called without ha->hardware_lock held
*/
cmd->conf_compl_supported;
}
-#ifdef CONFIG_QLA_TGT_DEBUG_SRR
-/*
- * Original taken from the XFS code
- */
-static unsigned long qlt_srr_random(void)
-{
- static int Inited;
- static unsigned long RandomValue;
- static DEFINE_SPINLOCK(lock);
- /* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
- register long rv;
- register long lo;
- register long hi;
- unsigned long flags;
-
- spin_lock_irqsave(&lock, flags);
- if (!Inited) {
- RandomValue = jiffies;
- Inited = 1;
- }
- rv = RandomValue;
- hi = rv / 127773;
- lo = rv % 127773;
- rv = 16807 * lo - 2836 * hi;
- if (rv <= 0)
- rv += 2147483647;
- RandomValue = rv;
- spin_unlock_irqrestore(&lock, flags);
- return rv;
-}
-
-static void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
-{
-#if 0 /* This is not a real status packets lost, so it won't lead to SRR */
- if ((*xmit_type & QLA_TGT_XMIT_STATUS) && (qlt_srr_random() % 200)
- == 50) {
- *xmit_type &= ~QLA_TGT_XMIT_STATUS;
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf015,
- "Dropping cmd %p (tag %d) status", cmd, se_cmd->tag);
- }
-#endif
- /*
- * It's currently not possible to simulate SRRs for FCP_WRITE without
- * a physical link layer failure, so don't even try here..
- */
- if (cmd->dma_data_direction != DMA_FROM_DEVICE)
- return;
-
- if (qlt_has_data(cmd) && (cmd->sg_cnt > 1) &&
- ((qlt_srr_random() % 100) == 20)) {
- int i, leave = 0;
- unsigned int tot_len = 0;
-
- while (leave == 0)
- leave = qlt_srr_random() % cmd->sg_cnt;
-
- for (i = 0; i < leave; i++)
- tot_len += cmd->sg[i].length;
-
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf016,
- "Cutting cmd %p (tag %d) buffer"
- " tail to len %d, sg_cnt %d (cmd->bufflen %d,"
- " cmd->sg_cnt %d)", cmd, se_cmd->tag, tot_len, leave,
- cmd->bufflen, cmd->sg_cnt);
-
- cmd->bufflen = tot_len;
- cmd->sg_cnt = leave;
- }
-
- if (qlt_has_data(cmd) && ((qlt_srr_random() % 100) == 70)) {
- unsigned int offset = qlt_srr_random() % cmd->bufflen;
-
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf017,
- "Cutting cmd %p (tag %d) buffer head "
- "to offset %d (cmd->bufflen %d)", cmd, se_cmd->tag, offset,
- cmd->bufflen);
- if (offset == 0)
- *xmit_type &= ~QLA_TGT_XMIT_DATA;
- else if (qlt_set_data_offset(cmd, offset)) {
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf018,
- "qlt_set_data_offset() failed (tag %d)", se_cmd->tag);
- }
- }
-}
-#else
-static inline void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
-{}
-#endif
-
static void qlt_24xx_init_ctio_to_isp(struct ctio7_to_24xx *ctio,
struct qla_tgt_prm *prm)
{
int i;
if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 1)) {
- if (prm->cmd->se_cmd.scsi_status != 0) {
+ if ((prm->rq_result & SS_SCSI_STATUS_BYTE) != 0) {
ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe017,
"Skipping EXPLICIT_CONFORM and "
"CTIO7_FLAGS_CONFORM_REQ for FCP READ w/ "
for (i = 0; i < prm->sense_buffer_len/4; i++)
((uint32_t *)ctio->u.status1.sense_data)[i] =
cpu_to_be32(((uint32_t *)prm->sense_buffer)[i]);
-#if 0
- if (unlikely((prm->sense_buffer_len % 4) != 0)) {
- static int q;
- if (q < 10) {
- ql_dbg(ql_dbg_tgt, vha, 0xe04f,
- "qla_target(%d): %d bytes of sense "
- "lost", prm->tgt->ha->vp_idx,
- prm->sense_buffer_len % 4);
- q++;
- }
- }
-#endif
+
+ qlt_print_dif_err(prm);
+
} else {
ctio->u.status1.flags &=
~cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_0);
/* Sense with len > 24, is it possible ??? */
}
-
-
-/* diff */
static inline int
qlt_hba_err_chk_enabled(struct se_cmd *se_cmd)
{
- /*
- * Uncomment when corresponding SCSI changes are done.
- *
- if (!sp->cmd->prot_chk)
- return 0;
- *
- */
switch (se_cmd->prot_op) {
case TARGET_PROT_DOUT_INSERT:
case TARGET_PROT_DIN_STRIP:
return 0;
}
+static inline int
+qla_tgt_ref_mask_check(struct se_cmd *se_cmd)
+{
+ switch (se_cmd->prot_op) {
+ case TARGET_PROT_DIN_INSERT:
+ case TARGET_PROT_DOUT_INSERT:
+ case TARGET_PROT_DIN_STRIP:
+ case TARGET_PROT_DOUT_STRIP:
+ case TARGET_PROT_DIN_PASS:
+ case TARGET_PROT_DOUT_PASS:
+ return 1;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
/*
- * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
- *
+ * qla_tgt_set_dif_tags - Extract Ref and App tags from SCSI command
*/
-static inline void
-qlt_set_t10dif_tags(struct se_cmd *se_cmd, struct crc_context *ctx)
+static void
+qla_tgt_set_dif_tags(struct qla_tgt_cmd *cmd, struct crc_context *ctx,
+ uint16_t *pfw_prot_opts)
{
+ struct se_cmd *se_cmd = &cmd->se_cmd;
uint32_t lba = 0xffffffff & se_cmd->t_task_lba;
+ scsi_qla_host_t *vha = cmd->tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t t32 = 0;
- /* wait til Mode Sense/Select cmd, modepage Ah, subpage 2
+ /*
+ * wait till Mode Sense/Select cmd, modepage Ah, subpage 2
* have been immplemented by TCM, before AppTag is avail.
* Look for modesense_handlers[]
*/
ctx->app_tag_mask[0] = 0x0;
ctx->app_tag_mask[1] = 0x0;
+ if (IS_PI_UNINIT_CAPABLE(ha)) {
+ if ((se_cmd->prot_type == TARGET_DIF_TYPE1_PROT) ||
+ (se_cmd->prot_type == TARGET_DIF_TYPE2_PROT))
+ *pfw_prot_opts |= PO_DIS_VALD_APP_ESC;
+ else if (se_cmd->prot_type == TARGET_DIF_TYPE3_PROT)
+ *pfw_prot_opts |= PO_DIS_VALD_APP_REF_ESC;
+ }
+
+ t32 = ha->tgt.tgt_ops->get_dif_tags(cmd, pfw_prot_opts);
+
switch (se_cmd->prot_type) {
case TARGET_DIF_TYPE0_PROT:
/*
- * No check for ql2xenablehba_err_chk, as it would be an
- * I/O error if hba tag generation is not done.
+ * No check for ql2xenablehba_err_chk, as it
+ * would be an I/O error if hba tag generation
+ * is not done.
*/
ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
/* enable ALL bytes of the ref tag */
ctx->ref_tag_mask[0] = 0xff;
ctx->ref_tag_mask[1] = 0xff;
ctx->ref_tag_mask[2] = 0xff;
ctx->ref_tag_mask[3] = 0xff;
break;
- /*
- * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
- * 16 bit app tag.
- */
case TARGET_DIF_TYPE1_PROT:
- ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
- /* enable ALL bytes of the ref tag */
- ctx->ref_tag_mask[0] = 0xff;
- ctx->ref_tag_mask[1] = 0xff;
- ctx->ref_tag_mask[2] = 0xff;
- ctx->ref_tag_mask[3] = 0xff;
- break;
- /*
- * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
- * match LBA in CDB + N
- */
+ /*
+ * For TYPE 1 protection: 16 bit GUARD tag, 32 bit
+ * REF tag, and 16 bit app tag.
+ */
+ ctx->ref_tag = cpu_to_le32(lba);
+ if (!qla_tgt_ref_mask_check(se_cmd) ||
+ !(ha->tgt.tgt_ops->chk_dif_tags(t32))) {
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ break;
+ }
+ /* enable ALL bytes of the ref tag */
+ ctx->ref_tag_mask[0] = 0xff;
+ ctx->ref_tag_mask[1] = 0xff;
+ ctx->ref_tag_mask[2] = 0xff;
+ ctx->ref_tag_mask[3] = 0xff;
+ break;
case TARGET_DIF_TYPE2_PROT:
- ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
- /* enable ALL bytes of the ref tag */
- ctx->ref_tag_mask[0] = 0xff;
- ctx->ref_tag_mask[1] = 0xff;
- ctx->ref_tag_mask[2] = 0xff;
- ctx->ref_tag_mask[3] = 0xff;
- break;
-
- /* For Type 3 protection: 16 bit GUARD only */
+ /*
+ * For TYPE 2 protection: 16 bit GUARD + 32 bit REF
+ * tag has to match LBA in CDB + N
+ */
+ ctx->ref_tag = cpu_to_le32(lba);
+ if (!qla_tgt_ref_mask_check(se_cmd) ||
+ !(ha->tgt.tgt_ops->chk_dif_tags(t32))) {
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ break;
+ }
+ /* enable ALL bytes of the ref tag */
+ ctx->ref_tag_mask[0] = 0xff;
+ ctx->ref_tag_mask[1] = 0xff;
+ ctx->ref_tag_mask[2] = 0xff;
+ ctx->ref_tag_mask[3] = 0xff;
+ break;
case TARGET_DIF_TYPE3_PROT:
- ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] =
- ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00;
- break;
+ /* For TYPE 3 protection: 16 bit GUARD only */
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] =
+ ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00;
+ break;
}
}
-
static inline int
qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
{
struct se_cmd *se_cmd = &cmd->se_cmd;
uint32_t h;
struct atio_from_isp *atio = &prm->cmd->atio;
+ struct qla_tc_param tc;
uint16_t t16;
ha = vha->hw;
case TARGET_PROT_DIN_INSERT:
case TARGET_PROT_DOUT_STRIP:
transfer_length = data_bytes;
- data_bytes += dif_bytes;
+ if (cmd->prot_sg_cnt)
+ data_bytes += dif_bytes;
break;
-
case TARGET_PROT_DIN_STRIP:
case TARGET_PROT_DOUT_INSERT:
case TARGET_PROT_DIN_PASS:
case TARGET_PROT_DOUT_PASS:
transfer_length = data_bytes + dif_bytes;
break;
-
default:
BUG();
break;
break;
}
-
/* ---- PKT ---- */
/* Update entry type to indicate Command Type CRC_2 IOCB */
pkt->entry_type = CTIO_CRC2;
} else
ha->tgt.cmds[h-1] = prm->cmd;
-
pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
- pkt->nport_handle = prm->cmd->loop_id;
+ pkt->nport_handle = cpu_to_le16(prm->cmd->loop_id);
pkt->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
else if (cmd->dma_data_direction == DMA_FROM_DEVICE)
pkt->flags = cpu_to_le16(CTIO7_FLAGS_DATA_OUT);
-
pkt->dseg_count = prm->tot_dsds;
/* Fibre channel byte count */
pkt->transfer_length = cpu_to_le32(transfer_length);
-
/* ----- CRC context -------- */
/* Allocate CRC context from global pool */
/* Set handle */
crc_ctx_pkt->handle = pkt->handle;
- qlt_set_t10dif_tags(se_cmd, crc_ctx_pkt);
+ qla_tgt_set_dif_tags(cmd, crc_ctx_pkt, &fw_prot_opts);
pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
-
if (!bundling) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
} else {
crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
crc_ctx_pkt->guard_seed = cpu_to_le16(0);
+ memset((uint8_t *)&tc, 0 , sizeof(tc));
+ tc.vha = vha;
+ tc.blk_sz = cmd->blk_sz;
+ tc.bufflen = cmd->bufflen;
+ tc.sg = cmd->sg;
+ tc.prot_sg = cmd->prot_sg;
+ tc.ctx = crc_ctx_pkt;
+ tc.ctx_dsd_alloced = &cmd->ctx_dsd_alloced;
/* Walks data segments */
pkt->flags |= cpu_to_le16(CTIO7_FLAGS_DSD_PTR);
if (!bundling && prm->prot_seg_cnt) {
if (qla24xx_walk_and_build_sglist_no_difb(ha, NULL, cur_dsd,
- prm->tot_dsds, cmd))
+ prm->tot_dsds, &tc))
goto crc_queuing_error;
} else if (qla24xx_walk_and_build_sglist(ha, NULL, cur_dsd,
- (prm->tot_dsds - prm->prot_seg_cnt), cmd))
+ (prm->tot_dsds - prm->prot_seg_cnt), &tc))
goto crc_queuing_error;
if (bundling && prm->prot_seg_cnt) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
if (qla24xx_walk_and_build_prot_sglist(ha, NULL, cur_dsd,
- prm->prot_seg_cnt, cmd))
+ prm->prot_seg_cnt, &tc))
goto crc_queuing_error;
}
return QLA_SUCCESS;
crc_queuing_error:
/* Cleanup will be performed by the caller */
+ vha->hw->tgt.cmds[h - 1] = NULL;
return QLA_FUNCTION_FAILED;
}
-
/*
* Callback to setup response of xmit_type of QLA_TGT_XMIT_DATA and *
* QLA_TGT_XMIT_STATUS for >= 24xx silicon
int res;
spin_lock_irqsave(&ha->hardware_lock, flags);
- if (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ if (cmd->sess && cmd->sess->deleted) {
cmd->state = QLA_TGT_STATE_PROCESSED;
if (cmd->sess->logout_completed)
/* no need to terminate. FW already freed exchange. */
spin_unlock_irqrestore(&ha->hardware_lock, flags);
memset(&prm, 0, sizeof(prm));
- qlt_check_srr_debug(cmd, &xmit_type);
ql_dbg(ql_dbg_tgt, cmd->vha, 0xe018,
"is_send_status=%d, cmd->bufflen=%d, cmd->sg_cnt=%d, cmd->dma_data_direction=%d se_cmd[%p]\n",
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!vha->flags.online || (cmd->reset_count != ha->chip_reset) ||
- (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)) {
+ (cmd->sess && cmd->sess->deleted)) {
/*
* Either the port is not online or this request was from
* previous life, just abort the processing.
/*
- * Checks the guard or meta-data for the type of error
- * detected by the HBA.
+ * it is assumed either hardware_lock or qpair lock is held.
*/
-static inline int
+static void
qlt_handle_dif_error(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd,
- struct ctio_crc_from_fw *sts)
+ struct ctio_crc_from_fw *sts)
{
uint8_t *ap = &sts->actual_dif[0];
uint8_t *ep = &sts->expected_dif[0];
- uint32_t e_ref_tag, a_ref_tag;
- uint16_t e_app_tag, a_app_tag;
- uint16_t e_guard, a_guard;
uint64_t lba = cmd->se_cmd.t_task_lba;
+ uint8_t scsi_status, sense_key, asc, ascq;
+ unsigned long flags;
- a_guard = be16_to_cpu(*(uint16_t *)(ap + 0));
- a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2));
- a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4));
-
- e_guard = be16_to_cpu(*(uint16_t *)(ep + 0));
- e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2));
- e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4));
-
- ql_dbg(ql_dbg_tgt, vha, 0xe075,
- "iocb(s) %p Returned STATUS.\n", sts);
-
- ql_dbg(ql_dbg_tgt, vha, 0xf075,
- "dif check TGT cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x]\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard);
-
- /*
- * Ignore sector if:
- * For type 3: ref & app tag is all 'f's
- * For type 0,1,2: app tag is all 'f's
- */
- if ((a_app_tag == 0xffff) &&
- ((cmd->se_cmd.prot_type != TARGET_DIF_TYPE3_PROT) ||
- (a_ref_tag == 0xffffffff))) {
- uint32_t blocks_done;
-
- /* 2TB boundary case covered automatically with this */
- blocks_done = e_ref_tag - (uint32_t)lba + 1;
- cmd->se_cmd.bad_sector = e_ref_tag;
- cmd->se_cmd.pi_err = 0;
- ql_dbg(ql_dbg_tgt, vha, 0xf074,
- "need to return scsi good\n");
-
- /* Update protection tag */
- if (cmd->prot_sg_cnt) {
- uint32_t i, k = 0, num_ent;
- struct scatterlist *sg, *sgl;
-
-
- sgl = cmd->prot_sg;
-
- /* Patch the corresponding protection tags */
- for_each_sg(sgl, sg, cmd->prot_sg_cnt, i) {
- num_ent = sg_dma_len(sg) / 8;
- if (k + num_ent < blocks_done) {
- k += num_ent;
- continue;
- }
- k = blocks_done;
- break;
- }
+ cmd->trc_flags |= TRC_DIF_ERR;
- if (k != blocks_done) {
- ql_log(ql_log_warn, vha, 0xf076,
- "unexpected tag values tag:lba=%u:%llu)\n",
- e_ref_tag, (unsigned long long)lba);
- goto out;
- }
+ cmd->a_guard = be16_to_cpu(*(uint16_t *)(ap + 0));
+ cmd->a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2));
+ cmd->a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4));
-#if 0
- struct sd_dif_tuple *spt;
- /* TODO:
- * This section came from initiator. Is it valid here?
- * should ulp be override with actual val???
- */
- spt = page_address(sg_page(sg)) + sg->offset;
- spt += j;
+ cmd->e_guard = be16_to_cpu(*(uint16_t *)(ep + 0));
+ cmd->e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2));
+ cmd->e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4));
- spt->app_tag = 0xffff;
- if (cmd->se_cmd.prot_type == SCSI_PROT_DIF_TYPE3)
- spt->ref_tag = 0xffffffff;
-#endif
- }
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xf075,
+ "%s: aborted %d state %d\n", __func__, cmd->aborted, cmd->state);
- return 0;
- }
+ scsi_status = sense_key = asc = ascq = 0;
- /* check guard */
- if (e_guard != a_guard) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED;
- cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba;
-
- ql_log(ql_log_warn, vha, 0xe076,
- "Guard ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
- goto out;
+ /* check appl tag */
+ if (cmd->e_app_tag != cmd->a_app_tag) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "App Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard [%x|%x] cmd=%p ox_id[%04x]",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+
+ cmd->dif_err_code = DIF_ERR_APP;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x2;
}
/* check ref tag */
- if (e_ref_tag != a_ref_tag) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED;
- cmd->se_cmd.bad_sector = e_ref_tag;
-
- ql_log(ql_log_warn, vha, 0xe077,
- "Ref Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
+ if (cmd->e_ref_tag != cmd->a_ref_tag) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Ref Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard[%x|%x] cmd=%p ox_id[%04x] ",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+
+ cmd->dif_err_code = DIF_ERR_REF;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x3;
goto out;
}
- /* check appl tag */
- if (e_app_tag != a_app_tag) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED;
- cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba;
-
- ql_log(ql_log_warn, vha, 0xe078,
- "App Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
- goto out;
+ /* check guard */
+ if (cmd->e_guard != cmd->a_guard) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Guard ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard [%x|%x] cmd=%p ox_id[%04x]",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+ cmd->dif_err_code = DIF_ERR_GRD;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x1;
}
out:
- return 1;
-}
+ switch (cmd->state) {
+ case QLA_TGT_STATE_NEED_DATA:
+ /* handle_data will load DIF error code */
+ cmd->state = QLA_TGT_STATE_DATA_IN;
+ vha->hw->tgt.tgt_ops->handle_data(cmd);
+ break;
+ default:
+ spin_lock_irqsave(&cmd->cmd_lock, flags);
+ if (cmd->aborted) {
+ spin_unlock_irqrestore(&cmd->cmd_lock, flags);
+ vha->hw->tgt.tgt_ops->free_cmd(cmd);
+ break;
+ }
+ spin_unlock_irqrestore(&cmd->cmd_lock, flags);
+ qlt_send_resp_ctio(vha, cmd, scsi_status, sense_key, asc, ascq);
+ /* assume scsi status gets out on the wire.
+ * Will not wait for completion.
+ */
+ vha->hw->tgt.tgt_ops->free_cmd(cmd);
+ break;
+ }
+}
/* If hardware_lock held on entry, might drop it, then reaquire */
/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */
return EIO;
}
cmd->aborted = 1;
- cmd->cmd_flags |= BIT_6;
+ cmd->trc_flags |= TRC_ABORT;
spin_unlock_irqrestore(&cmd->cmd_lock, flags);
qlt_send_term_exchange(vha, cmd, &cmd->atio, 0, 1);
void qlt_free_cmd(struct qla_tgt_cmd *cmd)
{
- struct qla_tgt_sess *sess = cmd->sess;
+ struct fc_port *sess = cmd->sess;
ql_dbg(ql_dbg_tgt, cmd->vha, 0xe074,
"%s: se_cmd[%p] ox_id %04x\n",
BUG_ON(cmd->cmd_in_wq);
if (cmd->sg_mapped)
- qlt_unmap_sg(cmd->vha, cmd);
-
- if (!cmd->q_full)
- qlt_decr_num_pend_cmds(cmd->vha);
-
- BUG_ON(cmd->sg_mapped);
- cmd->jiffies_at_free = get_jiffies_64();
- if (unlikely(cmd->free_sg))
- kfree(cmd->sg);
-
- if (!sess || !sess->se_sess) {
- WARN_ON(1);
- return;
- }
- cmd->jiffies_at_free = get_jiffies_64();
- percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
-}
-EXPORT_SYMBOL(qlt_free_cmd);
-
-/* ha->hardware_lock supposed to be held on entry */
-static int qlt_prepare_srr_ctio(struct scsi_qla_host *vha,
- struct qla_tgt_cmd *cmd, void *ctio)
-{
- struct qla_tgt_srr_ctio *sc;
- struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_srr_imm *imm;
-
- tgt->ctio_srr_id++;
- cmd->cmd_flags |= BIT_15;
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf019,
- "qla_target(%d): CTIO with SRR status received\n", vha->vp_idx);
-
- if (!ctio) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf055,
- "qla_target(%d): SRR CTIO, but ctio is NULL\n",
- vha->vp_idx);
- return -EINVAL;
- }
+ qlt_unmap_sg(cmd->vha, cmd);
- sc = kzalloc(sizeof(*sc), GFP_ATOMIC);
- if (sc != NULL) {
- sc->cmd = cmd;
- /* IRQ is already OFF */
- spin_lock(&tgt->srr_lock);
- sc->srr_id = tgt->ctio_srr_id;
- list_add_tail(&sc->srr_list_entry,
- &tgt->srr_ctio_list);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01a,
- "CTIO SRR %p added (id %d)\n", sc, sc->srr_id);
- if (tgt->imm_srr_id == tgt->ctio_srr_id) {
- int found = 0;
- list_for_each_entry(imm, &tgt->srr_imm_list,
- srr_list_entry) {
- if (imm->srr_id == sc->srr_id) {
- found = 1;
- break;
- }
- }
- if (found) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01b,
- "Scheduling srr work\n");
- schedule_work(&tgt->srr_work);
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf056,
- "qla_target(%d): imm_srr_id "
- "== ctio_srr_id (%d), but there is no "
- "corresponding SRR IMM, deleting CTIO "
- "SRR %p\n", vha->vp_idx,
- tgt->ctio_srr_id, sc);
- list_del(&sc->srr_list_entry);
- spin_unlock(&tgt->srr_lock);
-
- kfree(sc);
- return -EINVAL;
- }
- }
- spin_unlock(&tgt->srr_lock);
- } else {
- struct qla_tgt_srr_imm *ti;
+ if (!cmd->q_full)
+ qlt_decr_num_pend_cmds(cmd->vha);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf057,
- "qla_target(%d): Unable to allocate SRR CTIO entry\n",
- vha->vp_idx);
- spin_lock(&tgt->srr_lock);
- list_for_each_entry_safe(imm, ti, &tgt->srr_imm_list,
- srr_list_entry) {
- if (imm->srr_id == tgt->ctio_srr_id) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01c,
- "IMM SRR %p deleted (id %d)\n",
- imm, imm->srr_id);
- list_del(&imm->srr_list_entry);
- qlt_reject_free_srr_imm(vha, imm, 1);
- }
- }
- spin_unlock(&tgt->srr_lock);
+ BUG_ON(cmd->sg_mapped);
+ cmd->jiffies_at_free = get_jiffies_64();
+ if (unlikely(cmd->free_sg))
+ kfree(cmd->sg);
- return -ENOMEM;
+ if (!sess || !sess->se_sess) {
+ WARN_ON(1);
+ return;
}
-
- return 0;
+ cmd->jiffies_at_free = get_jiffies_64();
+ percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
}
+EXPORT_SYMBOL(qlt_free_cmd);
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
{
int term = 0;
+ if (cmd->se_cmd.prot_op)
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Term DIF cmd: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x] op %#x/%s",
+ cmd->lba, cmd->lba,
+ cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr,
+ cmd->se_cmd.prot_op,
+ prot_op_str(cmd->se_cmd.prot_op));
+
if (ctio != NULL) {
struct ctio7_from_24xx *c = (struct ctio7_from_24xx *)ctio;
term = !(c->flags &
dump_stack();
}
- cmd->cmd_flags |= BIT_17;
+ cmd->trc_flags |= TRC_FLUSH;
ha->tgt.tgt_ops->free_cmd(cmd);
}
*/
cmd->sess->logout_on_delete = 0;
cmd->sess->send_els_logo = 1;
- qlt_schedule_sess_for_deletion(cmd->sess, true);
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__, cmd->sess->port_name);
+
+ qlt_schedule_sess_for_deletion_lock(cmd->sess);
}
break;
}
- case CTIO_SRR_RECEIVED:
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05a,
- "qla_target(%d): CTIO with SRR_RECEIVED"
- " status %x received (state %x, se_cmd %p)\n",
- vha->vp_idx, status, cmd->state, se_cmd);
- if (qlt_prepare_srr_ctio(vha, cmd, ctio) != 0)
- break;
- else
- return;
-
case CTIO_DIF_ERROR: {
struct ctio_crc_from_fw *crc =
(struct ctio_crc_from_fw *)ctio;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf073,
- "qla_target(%d): CTIO with DIF_ERROR status %x received (state %x, se_cmd %p) actual_dif[0x%llx] expect_dif[0x%llx]\n",
+ "qla_target(%d): CTIO with DIF_ERROR status %x "
+ "received (state %x, ulp_cmd %p) actual_dif[0x%llx] "
+ "expect_dif[0x%llx]\n",
vha->vp_idx, status, cmd->state, se_cmd,
*((u64 *)&crc->actual_dif[0]),
*((u64 *)&crc->expected_dif[0]));
- if (qlt_handle_dif_error(vha, cmd, ctio)) {
- if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
- /* scsi Write/xfer rdy complete */
- goto skip_term;
- } else {
- /* scsi read/xmit respond complete
- * call handle dif to send scsi status
- * rather than terminate exchange.
- */
- cmd->state = QLA_TGT_STATE_PROCESSED;
- ha->tgt.tgt_ops->handle_dif_err(cmd);
- return;
- }
- } else {
- /* Need to generate a SCSI good completion.
- * because FW did not send scsi status.
- */
- status = 0;
- goto skip_term;
- }
- break;
+ qlt_handle_dif_error(vha, cmd, ctio);
+ return;
}
default:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05b,
*/
if ((cmd->state != QLA_TGT_STATE_NEED_DATA) &&
(!cmd->aborted)) {
- cmd->cmd_flags |= BIT_13;
+ cmd->trc_flags |= TRC_CTIO_ERR;
if (qlt_term_ctio_exchange(vha, ctio, cmd, status))
return;
}
}
-skip_term:
if (cmd->state == QLA_TGT_STATE_PROCESSED) {
- cmd->cmd_flags |= BIT_12;
+ cmd->trc_flags |= TRC_CTIO_DONE;
} else if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
cmd->state = QLA_TGT_STATE_DATA_IN;
ha->tgt.tgt_ops->handle_data(cmd);
return;
} else if (cmd->aborted) {
- cmd->cmd_flags |= BIT_18;
+ cmd->trc_flags |= TRC_CTIO_ABORTED;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e,
"Aborted command %p (tag %lld) finished\n", cmd, se_cmd->tag);
} else {
- cmd->cmd_flags |= BIT_19;
+ cmd->trc_flags |= TRC_CTIO_STRANGE;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c,
"qla_target(%d): A command in state (%d) should "
"not return a CTIO complete\n", vha->vp_idx, cmd->state);
return fcp_task_attr;
}
-static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *,
+static struct fc_port *qlt_make_local_sess(struct scsi_qla_host *,
uint8_t *);
/*
* Process context for I/O path into tcm_qla2xxx code
scsi_qla_host_t *vha = cmd->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_sess *sess = cmd->sess;
+ struct fc_port *sess = cmd->sess;
struct atio_from_isp *atio = &cmd->atio;
unsigned char *cdb;
unsigned long flags;
int ret, fcp_task_attr, data_dir, bidi = 0;
cmd->cmd_in_wq = 0;
- cmd->cmd_flags |= BIT_1;
+ cmd->trc_flags |= TRC_DO_WORK;
if (tgt->tgt_stop)
goto out_term;
* Drop extra session reference from qla_tgt_handle_cmd_for_atio*(
*/
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- qlt_put_sess(sess);
+ ha->tgt.tgt_ops->put_sess(sess);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
return;
* cmd has not sent to target yet, so pass NULL as the second
* argument to qlt_send_term_exchange() and free the memory here.
*/
- cmd->cmd_flags |= BIT_2;
+ cmd->trc_flags |= TRC_DO_WORK_ERR;
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_send_term_exchange(vha, NULL, &cmd->atio, 1, 0);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- qlt_put_sess(sess);
+ ha->tgt.tgt_ops->put_sess(sess);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
}
}
static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha,
- struct qla_tgt_sess *sess,
+ struct fc_port *sess,
struct atio_from_isp *atio)
{
struct se_session *se_sess = sess->se_sess;
cmd->loop_id = sess->loop_id;
cmd->conf_compl_supported = sess->conf_compl_supported;
- cmd->cmd_flags = 0;
+ cmd->trc_flags = 0;
cmd->jiffies_at_alloc = get_jiffies_64();
cmd->reset_count = vha->hw->chip_reset;
struct qla_tgt_sess_op, work);
scsi_qla_host_t *vha = op->vha;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
struct qla_tgt_cmd *cmd;
unsigned long flags;
uint8_t *s_id = op->atio.u.isp24.fcp_hdr.s_id;
if (!cmd) {
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_send_busy(vha, &op->atio, SAM_STAT_BUSY);
- qlt_put_sess(sess);
+ ha->tgt.tgt_ops->put_sess(sess);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
kfree(op);
return;
}
+
/*
* __qlt_do_work() will call qlt_put_sess() to release
* the extra reference taken above by qlt_make_local_sess()
__qlt_do_work(cmd);
kfree(op);
return;
-
out_term:
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_send_term_exchange(vha, NULL, &op->atio, 1, 0);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
kfree(op);
-
}
/* ha->hardware_lock supposed to be held on entry */
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
struct qla_tgt_cmd *cmd;
+ unsigned long flags;
if (unlikely(tgt->tgt_stop)) {
ql_dbg(ql_dbg_io, vha, 0x3061,
/* Another WWN used to have our s_id. Our PLOGI scheduled its
* session deletion, but it's still in sess_del_work wq */
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ if (sess->deleted) {
ql_dbg(ql_dbg_io, vha, 0x3061,
"New command while old session %p is being deleted\n",
sess);
/*
* Do kref_get() before returning + dropping qla_hw_data->hardware_lock.
*/
- kref_get(&sess->sess_kref);
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xffff,
+ "%s: kref_get fail, %8phC oxid %x \n",
+ __func__, sess->port_name,
+ be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id));
+ return -EFAULT;
+ }
cmd = qlt_get_tag(vha, sess, atio);
if (!cmd) {
ql_dbg(ql_dbg_io, vha, 0x3062,
"qla_target(%d): Allocation of cmd failed\n", vha->vp_idx);
- qlt_put_sess(sess);
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
return -ENOMEM;
}
cmd->cmd_in_wq = 1;
- cmd->cmd_flags |= BIT_0;
+ cmd->trc_flags |= TRC_NEW_CMD;
cmd->se_cmd.cpuid = ha->msix_count ?
ha->tgt.rspq_vector_cpuid : WORK_CPU_UNBOUND;
- spin_lock(&vha->cmd_list_lock);
+ spin_lock_irqsave(&vha->cmd_list_lock, flags);
list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list);
- spin_unlock(&vha->cmd_list_lock);
+ spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
INIT_WORK(&cmd->work, qlt_do_work);
if (ha->msix_count) {
}
/* ha->hardware_lock supposed to be held on entry */
-static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
+static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun,
int fn, void *iocb, int flags)
{
struct scsi_qla_host *vha = sess->vha;
struct qla_tgt_mgmt_cmd *mcmd;
struct atio_from_isp *a = (struct atio_from_isp *)iocb;
int res;
- uint8_t tmr_func;
mcmd = mempool_alloc(qla_tgt_mgmt_cmd_mempool, GFP_ATOMIC);
if (!mcmd) {
mcmd->reset_count = vha->hw->chip_reset;
switch (fn) {
- case QLA_TGT_CLEAR_ACA:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10000,
- "qla_target(%d): CLEAR_ACA received\n", sess->vha->vp_idx);
- tmr_func = TMR_CLEAR_ACA;
- break;
-
- case QLA_TGT_TARGET_RESET:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10001,
- "qla_target(%d): TARGET_RESET received\n",
- sess->vha->vp_idx);
- tmr_func = TMR_TARGET_WARM_RESET;
- break;
-
case QLA_TGT_LUN_RESET:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10002,
- "qla_target(%d): LUN_RESET received\n", sess->vha->vp_idx);
- tmr_func = TMR_LUN_RESET;
- abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id);
- break;
-
- case QLA_TGT_CLEAR_TS:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10003,
- "qla_target(%d): CLEAR_TS received\n", sess->vha->vp_idx);
- tmr_func = TMR_CLEAR_TASK_SET;
- break;
-
- case QLA_TGT_ABORT_TS:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10004,
- "qla_target(%d): ABORT_TS received\n", sess->vha->vp_idx);
- tmr_func = TMR_ABORT_TASK_SET;
- break;
-#if 0
- case QLA_TGT_ABORT_ALL:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10005,
- "qla_target(%d): Doing ABORT_ALL_TASKS\n",
- sess->vha->vp_idx);
- tmr_func = 0;
- break;
-
- case QLA_TGT_ABORT_ALL_SESS:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10006,
- "qla_target(%d): Doing ABORT_ALL_TASKS_SESS\n",
- sess->vha->vp_idx);
- tmr_func = 0;
- break;
-
- case QLA_TGT_NEXUS_LOSS_SESS:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10007,
- "qla_target(%d): Doing NEXUS_LOSS_SESS\n",
- sess->vha->vp_idx);
- tmr_func = 0;
- break;
-
- case QLA_TGT_NEXUS_LOSS:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x10008,
- "qla_target(%d): Doing NEXUS_LOSS\n", sess->vha->vp_idx);
- tmr_func = 0;
- break;
-#endif
- default:
- ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000a,
- "qla_target(%d): Unknown task mgmt fn 0x%x\n",
- sess->vha->vp_idx, fn);
- mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
- return -ENOSYS;
+ abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id);
+ break;
}
- res = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, tmr_func, 0);
+ res = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, mcmd->tmr_func, 0);
if (res != 0) {
ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000b,
"qla_target(%d): tgt.tgt_ops->handle_tmr() failed: %d\n",
struct atio_from_isp *a = (struct atio_from_isp *)iocb;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
uint32_t lun, unpacked_lun;
int fn;
unsigned long flags;
sizeof(struct atio_from_isp));
}
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)
+ if (sess->deleted)
return -EFAULT;
return qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
/* ha->hardware_lock supposed to be held on entry */
static int __qlt_abort_task(struct scsi_qla_host *vha,
- struct imm_ntfy_from_isp *iocb, struct qla_tgt_sess *sess)
+ struct imm_ntfy_from_isp *iocb, struct fc_port *sess)
{
struct atio_from_isp *a = (struct atio_from_isp *)iocb;
struct qla_hw_data *ha = vha->hw;
lun = a->u.isp24.fcp_cmnd.lun;
unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
mcmd->reset_count = vha->hw->chip_reset;
+ mcmd->tmr_func = QLA_TGT_2G_ABORT_TASK;
- rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, TMR_ABORT_TASK,
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, mcmd->tmr_func,
le16_to_cpu(iocb->u.isp2x.seq_id));
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf060,
struct imm_ntfy_from_isp *iocb)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
int loop_id;
unsigned long flags;
void qlt_logo_completion_handler(fc_port_t *fcport, int rc)
{
- if (fcport->tgt_session) {
- if (rc != MBS_COMMAND_COMPLETE) {
- ql_dbg(ql_dbg_tgt_mgt, fcport->vha, 0xf093,
- "%s: se_sess %p / sess %p from"
- " port %8phC loop_id %#04x s_id %02x:%02x:%02x"
- " LOGO failed: %#x\n",
- __func__,
- fcport->tgt_session->se_sess,
- fcport->tgt_session,
- fcport->port_name, fcport->loop_id,
- fcport->d_id.b.domain, fcport->d_id.b.area,
- fcport->d_id.b.al_pa, rc);
- }
-
- fcport->tgt_session->logout_completed = 1;
+ if (rc != MBS_COMMAND_COMPLETE) {
+ ql_dbg(ql_dbg_tgt_mgt, fcport->vha, 0xf093,
+ "%s: se_sess %p / sess %p from"
+ " port %8phC loop_id %#04x s_id %02x:%02x:%02x"
+ " LOGO failed: %#x\n",
+ __func__,
+ fcport->se_sess,
+ fcport,
+ fcport->port_name, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa, rc);
}
+
+ fcport->logout_completed = 1;
}
/*
* deletion. Returns existing session with matching wwn if present.
* Null otherwise.
*/
-static struct qla_tgt_sess *
-qlt_find_sess_invalidate_other(struct qla_tgt *tgt, uint64_t wwn,
- port_id_t port_id, uint16_t loop_id, struct qla_tgt_sess **conflict_sess)
+struct fc_port *
+qlt_find_sess_invalidate_other(scsi_qla_host_t *vha, uint64_t wwn,
+ port_id_t port_id, uint16_t loop_id, struct fc_port **conflict_sess)
{
- struct qla_tgt_sess *sess = NULL, *other_sess;
+ struct fc_port *sess = NULL, *other_sess;
uint64_t other_wwn;
*conflict_sess = NULL;
- list_for_each_entry(other_sess, &tgt->sess_list, sess_list_entry) {
+ list_for_each_entry(other_sess, &vha->vp_fcports, list) {
other_wwn = wwn_to_u64(other_sess->port_name);
}
/* find other sess with nport_id collision */
- if (port_id.b24 == other_sess->s_id.b24) {
+ if (port_id.b24 == other_sess->d_id.b24) {
if (loop_id != other_sess->loop_id) {
- ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000c,
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000c,
"Invalidating sess %p loop_id %d wwn %llx.\n",
other_sess, other_sess->loop_id, other_wwn);
* Another wwn used to have our s_id/loop_id
* kill the session, but don't free the loop_id
*/
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0xffff,
+ "Invalidating sess %p loop_id %d wwn %llx.\n",
+ other_sess, other_sess->loop_id, other_wwn);
+
+
other_sess->keep_nport_handle = 1;
*conflict_sess = other_sess;
qlt_schedule_sess_for_deletion(other_sess,
}
/* find other sess with nport handle collision */
- if (loop_id == other_sess->loop_id) {
- ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000d,
+ if ((loop_id == other_sess->loop_id) &&
+ (loop_id != FC_NO_LOOP_ID)) {
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000d,
"Invalidating sess %p loop_id %d wwn %llx.\n",
other_sess, other_sess->loop_id, other_wwn);
spin_lock(&vha->cmd_list_lock);
list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) {
uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id);
+
+ if (op_key == key) {
+ op->aborted = true;
+ count++;
+ }
+ }
+
+ list_for_each_entry(op, &vha->unknown_atio_list, cmd_list) {
+ uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id);
if (op_key == key) {
op->aborted = true;
count++;
}
}
+
list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
uint32_t cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id);
if (cmd_key == key) {
{
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess = NULL, *conflict_sess = NULL;
+ struct fc_port *sess = NULL, *conflict_sess = NULL;
uint64_t wwn;
port_id_t port_id;
uint16_t loop_id;
uint16_t wd3_lo;
int res = 0;
- qlt_plogi_ack_t *pla;
+ struct qlt_plogi_ack_t *pla;
unsigned long flags;
wwn = wwn_to_u64(iocb->u.isp24.port_name);
loop_id = le16_to_cpu(iocb->u.isp24.nport_handle);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
- "qla_target(%d): Port ID: 0x%3phC ELS opcode: 0x%02x\n",
- vha->vp_idx, iocb->u.isp24.port_id, iocb->u.isp24.status_subcode);
+ ql_dbg(ql_dbg_disc, vha, 0xf026,
+ "qla_target(%d): Port ID: %02x:%02x:%02x ELS opcode: 0x%02x lid %d %8phC\n",
+ vha->vp_idx, iocb->u.isp24.port_id[2],
+ iocb->u.isp24.port_id[1], iocb->u.isp24.port_id[0],
+ iocb->u.isp24.status_subcode, loop_id,
+ iocb->u.isp24.port_name);
/* res = 1 means ack at the end of thread
* res = 0 means ack async/later.
if (wwn) {
spin_lock_irqsave(&tgt->ha->tgt.sess_lock, flags);
- sess = qlt_find_sess_invalidate_other(tgt, wwn,
- port_id, loop_id, &conflict_sess);
+ sess = qlt_find_sess_invalidate_other(vha, wwn,
+ port_id, loop_id, &conflict_sess);
spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock, flags);
}
- if (IS_SW_RESV_ADDR(port_id) || (!sess && !conflict_sess)) {
+ if (IS_SW_RESV_ADDR(port_id)) {
res = 1;
break;
}
pla = qlt_plogi_ack_find_add(vha, &port_id, iocb);
if (!pla) {
qlt_send_term_imm_notif(vha, iocb, 1);
-
- res = 0;
break;
}
res = 0;
- if (conflict_sess)
- qlt_plogi_ack_link(vha, pla, conflict_sess,
- QLT_PLOGI_LINK_CONFLICT);
-
- if (!sess)
- break;
-
- qlt_plogi_ack_link(vha, pla, sess, QLT_PLOGI_LINK_SAME_WWN);
- /*
- * Under normal circumstances we want to release nport handle
- * during LOGO process to avoid nport handle leaks inside FW.
- * The exception is when LOGO is done while another PLOGI with
- * the same nport handle is waiting as might be the case here.
- * Note: there is always a possibily of a race where session
- * deletion has already started for other reasons (e.g. ACL
- * removal) and now PLOGI arrives:
- * 1. if PLOGI arrived in FW after nport handle has been freed,
- * FW must have assigned this PLOGI a new/same handle and we
- * can proceed ACK'ing it as usual when session deletion
- * completes.
- * 2. if PLOGI arrived in FW before LOGO with LCF_FREE_NPORT
- * bit reached it, the handle has now been released. We'll
- * get an error when we ACK this PLOGI. Nothing will be sent
- * back to initiator. Initiator should eventually retry
- * PLOGI and situation will correct itself.
- */
- sess->keep_nport_handle = ((sess->loop_id == loop_id) &&
- (sess->s_id.b24 == port_id.b24));
- qlt_schedule_sess_for_deletion(sess, true);
- break;
-
- case ELS_PRLI:
- wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo);
-
- if (wwn) {
- spin_lock_irqsave(&tgt->ha->tgt.sess_lock, flags);
- sess = qlt_find_sess_invalidate_other(tgt, wwn, port_id,
- loop_id, &conflict_sess);
- spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock, flags);
- }
-
if (conflict_sess) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf09b,
- "PRLI with conflicting sess %p port %8phC\n",
- conflict_sess, conflict_sess->port_name);
- qlt_send_term_imm_notif(vha, iocb, 1);
- res = 0;
- break;
- }
-
- if (sess != NULL) {
- if (sess->deleted) {
- /*
- * Impatient initiator sent PRLI before last
- * PLOGI could finish. Will force him to re-try,
- * while last one finishes.
- */
- ql_log(ql_log_warn, sess->vha, 0xf095,
- "sess %p PRLI received, before plogi ack.\n",
- sess);
- qlt_send_term_imm_notif(vha, iocb, 1);
- res = 0;
- break;
- }
-
- /*
- * This shouldn't happen under normal circumstances,
- * since we have deleted the old session during PLOGI
- */
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf096,
- "PRLI (loop_id %#04x) for existing sess %p (loop_id %#04x)\n",
- sess->loop_id, sess, iocb->u.isp24.nport_handle);
-
- sess->local = 0;
- sess->loop_id = loop_id;
- sess->s_id = port_id;
-
- if (wd3_lo & BIT_7)
- sess->conf_compl_supported = 1;
-
- }
- res = 1; /* send notify ack */
-
- /* Make session global (not used in fabric mode) */
- if (ha->current_topology != ISP_CFG_F) {
- set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
- } else {
- /* todo: else - create sess here. */
- res = 1; /* send notify ack */
- }
-
- break;
-
- case ELS_LOGO:
- case ELS_PRLO:
- res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
- break;
- case ELS_PDISC:
- case ELS_ADISC:
- {
- struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- if (tgt->link_reinit_iocb_pending) {
- qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
- 0, 0, 0, 0, 0, 0);
- tgt->link_reinit_iocb_pending = 0;
- }
- res = 1; /* send notify ack */
- break;
- }
-
- case ELS_FLOGI: /* should never happen */
- default:
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061,
- "qla_target(%d): Unsupported ELS command %x "
- "received\n", vha->vp_idx, iocb->u.isp24.status_subcode);
- res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
- break;
- }
-
- return res;
-}
-
-static int qlt_set_data_offset(struct qla_tgt_cmd *cmd, uint32_t offset)
-{
-#if 1
- /*
- * FIXME: Reject non zero SRR relative offset until we can test
- * this code properly.
- */
- pr_debug("Rejecting non zero SRR rel_offs: %u\n", offset);
- return -1;
-#else
- struct scatterlist *sg, *sgp, *sg_srr, *sg_srr_start = NULL;
- size_t first_offset = 0, rem_offset = offset, tmp = 0;
- int i, sg_srr_cnt, bufflen = 0;
-
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe023,
- "Entering qla_tgt_set_data_offset: cmd: %p, cmd->sg: %p, "
- "cmd->sg_cnt: %u, direction: %d\n",
- cmd, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
-
- if (!cmd->sg || !cmd->sg_cnt) {
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe055,
- "Missing cmd->sg or zero cmd->sg_cnt in"
- " qla_tgt_set_data_offset\n");
- return -EINVAL;
- }
- /*
- * Walk the current cmd->sg list until we locate the new sg_srr_start
- */
- for_each_sg(cmd->sg, sg, cmd->sg_cnt, i) {
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe024,
- "sg[%d]: %p page: %p, length: %d, offset: %d\n",
- i, sg, sg_page(sg), sg->length, sg->offset);
-
- if ((sg->length + tmp) > offset) {
- first_offset = rem_offset;
- sg_srr_start = sg;
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe025,
- "Found matching sg[%d], using %p as sg_srr_start, "
- "and using first_offset: %zu\n", i, sg,
- first_offset);
- break;
- }
- tmp += sg->length;
- rem_offset -= sg->length;
- }
-
- if (!sg_srr_start) {
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe056,
- "Unable to locate sg_srr_start for offset: %u\n", offset);
- return -EINVAL;
- }
- sg_srr_cnt = (cmd->sg_cnt - i);
-
- sg_srr = kzalloc(sizeof(struct scatterlist) * sg_srr_cnt, GFP_KERNEL);
- if (!sg_srr) {
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe057,
- "Unable to allocate sgp\n");
- return -ENOMEM;
- }
- sg_init_table(sg_srr, sg_srr_cnt);
- sgp = &sg_srr[0];
- /*
- * Walk the remaining list for sg_srr_start, mapping to the newly
- * allocated sg_srr taking first_offset into account.
- */
- for_each_sg(sg_srr_start, sg, sg_srr_cnt, i) {
- if (first_offset) {
- sg_set_page(sgp, sg_page(sg),
- (sg->length - first_offset), first_offset);
- first_offset = 0;
- } else {
- sg_set_page(sgp, sg_page(sg), sg->length, 0);
- }
- bufflen += sgp->length;
-
- sgp = sg_next(sgp);
- if (!sgp)
- break;
- }
-
- cmd->sg = sg_srr;
- cmd->sg_cnt = sg_srr_cnt;
- cmd->bufflen = bufflen;
- cmd->offset += offset;
- cmd->free_sg = 1;
-
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe026, "New cmd->sg: %p\n", cmd->sg);
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe027, "New cmd->sg_cnt: %u\n",
- cmd->sg_cnt);
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe028, "New cmd->bufflen: %u\n",
- cmd->bufflen);
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe029, "New cmd->offset: %u\n",
- cmd->offset);
-
- if (cmd->sg_cnt < 0)
- BUG();
-
- if (cmd->bufflen < 0)
- BUG();
-
- return 0;
-#endif
-}
-
-static inline int qlt_srr_adjust_data(struct qla_tgt_cmd *cmd,
- uint32_t srr_rel_offs, int *xmit_type)
-{
- int res = 0, rel_offs;
-
- rel_offs = srr_rel_offs - cmd->offset;
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf027, "srr_rel_offs=%d, rel_offs=%d",
- srr_rel_offs, rel_offs);
-
- *xmit_type = QLA_TGT_XMIT_ALL;
-
- if (rel_offs < 0) {
- ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf062,
- "qla_target(%d): SRR rel_offs (%d) < 0",
- cmd->vha->vp_idx, rel_offs);
- res = -1;
- } else if (rel_offs == cmd->bufflen)
- *xmit_type = QLA_TGT_XMIT_STATUS;
- else if (rel_offs > 0)
- res = qlt_set_data_offset(cmd, rel_offs);
-
- return res;
-}
-
-/* No locks, thread context */
-static void qlt_handle_srr(struct scsi_qla_host *vha,
- struct qla_tgt_srr_ctio *sctio, struct qla_tgt_srr_imm *imm)
-{
- struct imm_ntfy_from_isp *ntfy =
- (struct imm_ntfy_from_isp *)&imm->imm_ntfy;
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_cmd *cmd = sctio->cmd;
- struct se_cmd *se_cmd = &cmd->se_cmd;
- unsigned long flags;
- int xmit_type = 0, resp = 0;
- uint32_t offset;
- uint16_t srr_ui;
-
- offset = le32_to_cpu(ntfy->u.isp24.srr_rel_offs);
- srr_ui = ntfy->u.isp24.srr_ui;
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf028, "SRR cmd %p, srr_ui %x\n",
- cmd, srr_ui);
-
- switch (srr_ui) {
- case SRR_IU_STATUS:
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_notify_ack(vha, ntfy,
- 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- xmit_type = QLA_TGT_XMIT_STATUS;
- resp = 1;
- break;
- case SRR_IU_DATA_IN:
- if (!cmd->sg || !cmd->sg_cnt) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf063,
- "Unable to process SRR_IU_DATA_IN due to"
- " missing cmd->sg, state: %d\n", cmd->state);
- dump_stack();
- goto out_reject;
- }
- if (se_cmd->scsi_status != 0) {
- ql_dbg(ql_dbg_tgt, vha, 0xe02a,
- "Rejecting SRR_IU_DATA_IN with non GOOD "
- "scsi_status\n");
- goto out_reject;
- }
- cmd->bufflen = se_cmd->data_length;
-
- if (qlt_has_data(cmd)) {
- if (qlt_srr_adjust_data(cmd, offset, &xmit_type) != 0)
- goto out_reject;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_notify_ack(vha, ntfy,
- 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- resp = 1;
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf064,
- "qla_target(%d): SRR for in data for cmd without them (tag %lld, SCSI status %d), reject",
- vha->vp_idx, se_cmd->tag,
- cmd->se_cmd.scsi_status);
- goto out_reject;
- }
- break;
- case SRR_IU_DATA_OUT:
- if (!cmd->sg || !cmd->sg_cnt) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf065,
- "Unable to process SRR_IU_DATA_OUT due to"
- " missing cmd->sg\n");
- dump_stack();
- goto out_reject;
- }
- if (se_cmd->scsi_status != 0) {
- ql_dbg(ql_dbg_tgt, vha, 0xe02b,
- "Rejecting SRR_IU_DATA_OUT"
- " with non GOOD scsi_status\n");
- goto out_reject;
- }
- cmd->bufflen = se_cmd->data_length;
-
- if (qlt_has_data(cmd)) {
- if (qlt_srr_adjust_data(cmd, offset, &xmit_type) != 0)
- goto out_reject;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_notify_ack(vha, ntfy,
- 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if (xmit_type & QLA_TGT_XMIT_DATA) {
- cmd->cmd_flags |= BIT_8;
- qlt_rdy_to_xfer(cmd);
- }
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf066,
- "qla_target(%d): SRR for out data for cmd without them (tag %lld, SCSI status %d), reject",
- vha->vp_idx, se_cmd->tag, cmd->se_cmd.scsi_status);
- goto out_reject;
+ conflict_sess->login_gen++;
+ qlt_plogi_ack_link(vha, pla, conflict_sess,
+ QLT_PLOGI_LINK_CONFLICT);
}
- break;
- default:
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf067,
- "qla_target(%d): Unknown srr_ui value %x",
- vha->vp_idx, srr_ui);
- goto out_reject;
- }
- /* Transmit response in case of status and data-in cases */
- if (resp) {
- cmd->cmd_flags |= BIT_7;
- qlt_xmit_response(cmd, xmit_type, se_cmd->scsi_status);
- }
+ if (!sess) {
+ pla->ref_count++;
+ qla24xx_post_newsess_work(vha, &port_id,
+ iocb->u.isp24.port_name, pla);
+ res = 0;
+ break;
+ }
- return;
+ qlt_plogi_ack_link(vha, pla, sess, QLT_PLOGI_LINK_SAME_WWN);
+ sess->fw_login_state = DSC_LS_PLOGI_PEND;
+ sess->d_id = port_id;
+ sess->login_gen++;
-out_reject:
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_notify_ack(vha, ntfy, 0, 0, 0,
- NOTIFY_ACK_SRR_FLAGS_REJECT,
- NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
- NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
- if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
- cmd->state = QLA_TGT_STATE_DATA_IN;
- dump_stack();
- } else {
- cmd->cmd_flags |= BIT_9;
- qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0);
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-}
+ switch (sess->disc_state) {
+ case DSC_DELETED:
+ qlt_plogi_ack_unref(vha, pla);
+ break;
-static void qlt_reject_free_srr_imm(struct scsi_qla_host *vha,
- struct qla_tgt_srr_imm *imm, int ha_locked)
-{
- struct qla_hw_data *ha = vha->hw;
- unsigned long flags = 0;
+ default:
+ /*
+ * Under normal circumstances we want to release nport handle
+ * during LOGO process to avoid nport handle leaks inside FW.
+ * The exception is when LOGO is done while another PLOGI with
+ * the same nport handle is waiting as might be the case here.
+ * Note: there is always a possibily of a race where session
+ * deletion has already started for other reasons (e.g. ACL
+ * removal) and now PLOGI arrives:
+ * 1. if PLOGI arrived in FW after nport handle has been freed,
+ * FW must have assigned this PLOGI a new/same handle and we
+ * can proceed ACK'ing it as usual when session deletion
+ * completes.
+ * 2. if PLOGI arrived in FW before LOGO with LCF_FREE_NPORT
+ * bit reached it, the handle has now been released. We'll
+ * get an error when we ACK this PLOGI. Nothing will be sent
+ * back to initiator. Initiator should eventually retry
+ * PLOGI and situation will correct itself.
+ */
+ sess->keep_nport_handle = ((sess->loop_id == loop_id) &&
+ (sess->d_id.b24 == port_id.b24));
-#ifndef __CHECKER__
- if (!ha_locked)
- spin_lock_irqsave(&ha->hardware_lock, flags);
-#endif
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__, sess->port_name);
- qlt_send_notify_ack(vha, (void *)&imm->imm_ntfy, 0, 0, 0,
- NOTIFY_ACK_SRR_FLAGS_REJECT,
- NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
- NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
-#ifndef __CHECKER__
- if (!ha_locked)
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-#endif
+ qlt_schedule_sess_for_deletion_lock(sess);
+ break;
+ }
- kfree(imm);
-}
+ break;
-static void qlt_handle_srr_work(struct work_struct *work)
-{
- struct qla_tgt *tgt = container_of(work, struct qla_tgt, srr_work);
- struct scsi_qla_host *vha = tgt->vha;
- struct qla_tgt_srr_ctio *sctio;
- unsigned long flags;
+ case ELS_PRLI:
+ wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf029, "Entering SRR work (tgt %p)\n",
- tgt);
+ if (wwn) {
+ spin_lock_irqsave(&tgt->ha->tgt.sess_lock, flags);
+ sess = qlt_find_sess_invalidate_other(vha, wwn, port_id,
+ loop_id, &conflict_sess);
+ spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock, flags);
+ }
-restart:
- spin_lock_irqsave(&tgt->srr_lock, flags);
- list_for_each_entry(sctio, &tgt->srr_ctio_list, srr_list_entry) {
- struct qla_tgt_srr_imm *imm, *i, *ti;
- struct qla_tgt_cmd *cmd;
- struct se_cmd *se_cmd;
-
- imm = NULL;
- list_for_each_entry_safe(i, ti, &tgt->srr_imm_list,
- srr_list_entry) {
- if (i->srr_id == sctio->srr_id) {
- list_del(&i->srr_list_entry);
- if (imm) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf068,
- "qla_target(%d): There must be "
- "only one IMM SRR per CTIO SRR "
- "(IMM SRR %p, id %d, CTIO %p\n",
- vha->vp_idx, i, i->srr_id, sctio);
- qlt_reject_free_srr_imm(tgt->vha, i, 0);
- } else
- imm = i;
- }
+ if (conflict_sess) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf09b,
+ "PRLI with conflicting sess %p port %8phC\n",
+ conflict_sess, conflict_sess->port_name);
+ qlt_send_term_imm_notif(vha, iocb, 1);
+ res = 0;
+ break;
}
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02a,
- "IMM SRR %p, CTIO SRR %p (id %d)\n", imm, sctio,
- sctio->srr_id);
+ if (sess != NULL) {
+ if (sess->fw_login_state == DSC_LS_PLOGI_PEND) {
+ /*
+ * Impatient initiator sent PRLI before last
+ * PLOGI could finish. Will force him to re-try,
+ * while last one finishes.
+ */
+ ql_log(ql_log_warn, sess->vha, 0xf095,
+ "sess %p PRLI received, before plogi ack.\n",
+ sess);
+ qlt_send_term_imm_notif(vha, iocb, 1);
+ res = 0;
+ break;
+ }
+
+ /*
+ * This shouldn't happen under normal circumstances,
+ * since we have deleted the old session during PLOGI
+ */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf096,
+ "PRLI (loop_id %#04x) for existing sess %p (loop_id %#04x)\n",
+ sess->loop_id, sess, iocb->u.isp24.nport_handle);
- if (imm == NULL) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02b,
- "Not found matching IMM for SRR CTIO (id %d)\n",
- sctio->srr_id);
- continue;
- } else
- list_del(&sctio->srr_list_entry);
+ sess->local = 0;
+ sess->loop_id = loop_id;
+ sess->d_id = port_id;
+ sess->fw_login_state = DSC_LS_PRLI_PEND;
- spin_unlock_irqrestore(&tgt->srr_lock, flags);
+ if (wd3_lo & BIT_7)
+ sess->conf_compl_supported = 1;
- cmd = sctio->cmd;
- /*
- * Reset qla_tgt_cmd SRR values and SGL pointer+count to follow
- * tcm_qla2xxx_write_pending() and tcm_qla2xxx_queue_data_in()
- * logic..
- */
- cmd->offset = 0;
- if (cmd->free_sg) {
- kfree(cmd->sg);
- cmd->sg = NULL;
- cmd->free_sg = 0;
+ if ((wd3_lo & BIT_4) == 0)
+ sess->port_type = FCT_INITIATOR;
+ else
+ sess->port_type = FCT_TARGET;
}
- se_cmd = &cmd->se_cmd;
+ res = 1; /* send notify ack */
- cmd->sg_cnt = se_cmd->t_data_nents;
- cmd->sg = se_cmd->t_data_sg;
+ /* Make session global (not used in fabric mode) */
+ if (ha->current_topology != ISP_CFG_F) {
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else {
+ if (sess) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post nack\n",
+ __func__, __LINE__, sess->port_name);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c,
- "SRR cmd %p (se_cmd %p, tag %lld, op %x), sg_cnt=%d, offset=%d",
- cmd, &cmd->se_cmd, se_cmd->tag, se_cmd->t_task_cdb ?
- se_cmd->t_task_cdb[0] : 0, cmd->sg_cnt, cmd->offset);
+ qla24xx_post_nack_work(vha, sess, iocb,
+ SRB_NACK_PRLI);
+ res = 0;
+ }
+ }
+ break;
- qlt_handle_srr(vha, sctio, imm);
- kfree(imm);
- kfree(sctio);
- goto restart;
- }
- spin_unlock_irqrestore(&tgt->srr_lock, flags);
-}
+ case ELS_TPRLO:
+ if (le16_to_cpu(iocb->u.isp24.flags) &
+ NOTIFY24XX_FLAGS_GLOBAL_TPRLO) {
+ loop_id = 0xFFFF;
+ qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS);
+ res = 1;
+ break;
+ }
+ /* drop through */
+ case ELS_LOGO:
+ case ELS_PRLO:
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ sess = qla2x00_find_fcport_by_loopid(vha, loop_id);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
-/* ha->hardware_lock supposed to be held on entry */
-static void qlt_prepare_srr_imm(struct scsi_qla_host *vha,
- struct imm_ntfy_from_isp *iocb)
-{
- struct qla_tgt_srr_imm *imm;
- struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- struct qla_tgt_srr_ctio *sctio;
-
- tgt->imm_srr_id++;
-
- ql_log(ql_log_warn, vha, 0xf02d, "qla_target(%d): SRR received\n",
- vha->vp_idx);
-
- imm = kzalloc(sizeof(*imm), GFP_ATOMIC);
- if (imm != NULL) {
- memcpy(&imm->imm_ntfy, iocb, sizeof(imm->imm_ntfy));
-
- /* IRQ is already OFF */
- spin_lock(&tgt->srr_lock);
- imm->srr_id = tgt->imm_srr_id;
- list_add_tail(&imm->srr_list_entry,
- &tgt->srr_imm_list);
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02e,
- "IMM NTFY SRR %p added (id %d, ui %x)\n",
- imm, imm->srr_id, iocb->u.isp24.srr_ui);
- if (tgt->imm_srr_id == tgt->ctio_srr_id) {
- int found = 0;
- list_for_each_entry(sctio, &tgt->srr_ctio_list,
- srr_list_entry) {
- if (sctio->srr_id == imm->srr_id) {
- found = 1;
- break;
- }
- }
- if (found) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02f, "%s",
- "Scheduling srr work\n");
- schedule_work(&tgt->srr_work);
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf030,
- "qla_target(%d): imm_srr_id "
- "== ctio_srr_id (%d), but there is no "
- "corresponding SRR CTIO, deleting IMM "
- "SRR %p\n", vha->vp_idx, tgt->ctio_srr_id,
- imm);
- list_del(&imm->srr_list_entry);
-
- kfree(imm);
-
- spin_unlock(&tgt->srr_lock);
- goto out_reject;
- }
+ if (sess) {
+ sess->login_gen++;
+ sess->fw_login_state = DSC_LS_LOGO_PEND;
+ sess->logo_ack_needed = 1;
+ memcpy(sess->iocb, iocb, IOCB_SIZE);
}
- spin_unlock(&tgt->srr_lock);
- } else {
- struct qla_tgt_srr_ctio *ts;
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf069,
- "qla_target(%d): Unable to allocate SRR IMM "
- "entry, SRR request will be rejected\n", vha->vp_idx);
-
- /* IRQ is already OFF */
- spin_lock(&tgt->srr_lock);
- list_for_each_entry_safe(sctio, ts, &tgt->srr_ctio_list,
- srr_list_entry) {
- if (sctio->srr_id == tgt->imm_srr_id) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf031,
- "CTIO SRR %p deleted (id %d)\n",
- sctio, sctio->srr_id);
- list_del(&sctio->srr_list_entry);
- qlt_send_term_exchange(vha, sctio->cmd,
- &sctio->cmd->atio, 1, 0);
- kfree(sctio);
+
+ res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
+
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s: logo %llx res %d sess %p ",
+ __func__, wwn, res, sess);
+ if (res == 0) {
+ /*
+ * cmd went upper layer, look for qlt_xmit_tm_rsp()
+ * for LOGO_ACK & sess delete
+ */
+ BUG_ON(!sess);
+ res = 0;
+ } else {
+ /* cmd did not go to upper layer. */
+ if (sess) {
+ qlt_schedule_sess_for_deletion_lock(sess);
+ res = 0;
}
+ /* else logo will be ack */
+ }
+ break;
+ case ELS_PDISC:
+ case ELS_ADISC:
+ {
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ if (tgt->link_reinit_iocb_pending) {
+ qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
+ 0, 0, 0, 0, 0, 0);
+ tgt->link_reinit_iocb_pending = 0;
+ }
+
+ sess = qla2x00_find_fcport_by_wwpn(vha,
+ iocb->u.isp24.port_name, 1);
+ if (sess) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "sess %p lid %d|%d DS %d LS %d\n",
+ sess, sess->loop_id, loop_id,
+ sess->disc_state, sess->fw_login_state);
}
- spin_unlock(&tgt->srr_lock);
- goto out_reject;
+
+ res = 1; /* send notify ack */
+ break;
}
- return;
+ case ELS_FLOGI: /* should never happen */
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061,
+ "qla_target(%d): Unsupported ELS command %x "
+ "received\n", vha->vp_idx, iocb->u.isp24.status_subcode);
+ res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
+ break;
+ }
-out_reject:
- qlt_send_notify_ack(vha, iocb, 0, 0, 0,
- NOTIFY_ACK_SRR_FLAGS_REJECT,
- NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
- NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
+ return res;
}
/*
if (qlt_24xx_handle_els(vha, iocb) == 0)
send_notify_ack = 0;
break;
-
- case IMM_NTFY_SRR:
- qlt_prepare_srr_imm(vha, iocb);
- send_notify_ack = 0;
- break;
-
default:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06d,
"qla_target(%d): Received unknown immediate "
struct ctio7_to_24xx *ctio24;
struct qla_hw_data *ha = vha->hw;
request_t *pkt;
- struct qla_tgt_sess *sess = NULL;
+ struct fc_port *sess = NULL;
unsigned long flags;
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
{
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess;
+ struct fc_port *sess;
struct se_session *se_sess;
struct qla_tgt_cmd *cmd;
int tag;
static int
qlt_chk_qfull_thresh_hold(struct scsi_qla_host *vha,
- struct atio_from_isp *atio)
+ struct atio_from_isp *atio, bool ha_locked)
{
struct qla_hw_data *ha = vha->hw;
uint16_t status;
+ unsigned long flags;
if (ha->tgt.num_pend_cmds < Q_FULL_THRESH_HOLD(ha))
return 0;
+ if (!ha_locked)
+ spin_lock_irqsave(&ha->hardware_lock, flags);
status = temp_sam_status;
qlt_send_busy(vha, atio, status);
+ if (!ha_locked)
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
return 1;
}
if (likely(atio->u.isp24.fcp_cmnd.task_mgmt_flags == 0)) {
- rc = qlt_chk_qfull_thresh_hold(vha, atio);
+ rc = qlt_chk_qfull_thresh_hold(vha, atio, ha_locked);
if (rc != 0) {
tgt->atio_irq_cmd_count--;
return;
break;
}
- rc = qlt_chk_qfull_thresh_hold(vha, atio);
+ rc = qlt_chk_qfull_thresh_hold(vha, atio, true);
if (rc != 0) {
tgt->irq_cmd_count--;
return;
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
break;
+ case MBA_REJECTED_FCP_CMD:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "qla_target(%d): Async event LS_REJECT occurred "
+ "(m[0]=%x, m[1]=%x, m[2]=%x, m[3]=%x)", vha->vp_idx,
+ le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
+ le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
+
+ if (le16_to_cpu(mailbox[3]) == 1) {
+ /* exchange starvation. */
+ vha->hw->exch_starvation++;
+ if (vha->hw->exch_starvation > 5) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "Exchange starvation-. Resetting RISC\n");
+
+ vha->hw->exch_starvation = 0;
+ if (IS_P3P_TYPE(vha->hw))
+ set_bit(FCOE_CTX_RESET_NEEDED,
+ &vha->dpc_flags);
+ else
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
+ }
+ break;
+
case MBA_PORT_UPDATE:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03d,
"qla_target(%d): Port update async event %#x "
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
login_code = le16_to_cpu(mailbox[2]);
- if (login_code == 0x4)
+ if (login_code == 0x4) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03e,
"Async MB 2: Got PLOGI Complete\n");
- else if (login_code == 0x7)
+ vha->hw->exch_starvation = 0;
+ } else if (login_code == 0x7)
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03f,
"Async MB 2: Port Logged Out\n");
break;
-
default:
break;
}
static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha,
uint16_t loop_id)
{
- fc_port_t *fcport;
+ fc_port_t *fcport, *tfcp, *del;
int rc;
+ unsigned long flags;
+ u8 newfcport = 0;
fcport = kzalloc(sizeof(*fcport), GFP_KERNEL);
if (!fcport) {
return NULL;
}
+ del = NULL;
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ tfcp = qla2x00_find_fcport_by_wwpn(vha, fcport->port_name, 1);
+
+ if (tfcp) {
+ tfcp->d_id = fcport->d_id;
+ tfcp->port_type = fcport->port_type;
+ tfcp->supported_classes = fcport->supported_classes;
+ tfcp->flags |= fcport->flags;
+
+ del = fcport;
+ fcport = tfcp;
+ } else {
+ if (vha->hw->current_topology == ISP_CFG_F)
+ fcport->flags |= FCF_FABRIC_DEVICE;
+
+ list_add_tail(&fcport->list, &vha->vp_fcports);
+ if (!IS_SW_RESV_ADDR(fcport->d_id))
+ vha->fcport_count++;
+ fcport->login_gen++;
+ fcport->disc_state = DSC_LOGIN_COMPLETE;
+ fcport->login_succ = 1;
+ newfcport = 1;
+ }
+
+ fcport->deleted = 0;
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ switch (vha->host->active_mode) {
+ case MODE_INITIATOR:
+ case MODE_DUAL:
+ if (newfcport) {
+ if (!IS_IIDMA_CAPABLE(vha->hw) || !vha->hw->flags.gpsc_supported) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post upd_fcport fcp_cnt %d\n",
+ __func__, __LINE__, fcport->port_name, vha->fcport_count);
+ qla24xx_post_upd_fcport_work(vha, fcport);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post gpsc fcp_cnt %d\n",
+ __func__, __LINE__, fcport->port_name, vha->fcport_count);
+ qla24xx_post_gpsc_work(vha, fcport);
+ }
+ }
+ break;
+
+ case MODE_TARGET:
+ default:
+ break;
+ }
+ if (del)
+ qla2x00_free_fcport(del);
+
return fcport;
}
/* Must be called under tgt_mutex */
-static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha,
+static struct fc_port *qlt_make_local_sess(struct scsi_qla_host *vha,
uint8_t *s_id)
{
- struct qla_tgt_sess *sess = NULL;
+ struct fc_port *sess = NULL;
fc_port_t *fcport = NULL;
int rc, global_resets;
uint16_t loop_id = 0;
+ if ((s_id[0] == 0xFF) && (s_id[1] == 0xFC)) {
+ /*
+ * This is Domain Controller, so it should be
+ * OK to drop SCSI commands from it.
+ */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf042,
+ "Unable to find initiator with S_ID %x:%x:%x",
+ s_id[0], s_id[1], s_id[2]);
+ return NULL;
+ }
+
mutex_lock(&vha->vha_tgt.tgt_mutex);
retry:
if (rc != 0) {
mutex_unlock(&vha->vha_tgt.tgt_mutex);
- if ((s_id[0] == 0xFF) &&
- (s_id[1] == 0xFC)) {
- /*
- * This is Domain Controller, so it should be
- * OK to drop SCSI commands from it.
- */
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf042,
- "Unable to find initiator with S_ID %x:%x:%x",
- s_id[0], s_id[1], s_id[2]);
- } else
- ql_log(ql_log_info, vha, 0xf071,
- "qla_target(%d): Unable to find "
- "initiator with S_ID %x:%x:%x",
- vha->vp_idx, s_id[0], s_id[1],
- s_id[2]);
+ ql_log(ql_log_info, vha, 0xf071,
+ "qla_target(%d): Unable to find "
+ "initiator with S_ID %x:%x:%x",
+ vha->vp_idx, s_id[0], s_id[1],
+ s_id[2]);
if (rc == -ENOENT) {
qlt_port_logo_t logo;
mutex_unlock(&vha->vha_tgt.tgt_mutex);
- kfree(fcport);
return sess;
}
{
struct scsi_qla_host *vha = tgt->vha;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess = NULL;
+ struct fc_port *sess = NULL;
unsigned long flags = 0, flags2 = 0;
uint32_t be_s_id;
uint8_t s_id[3];
if (!sess)
goto out_term2;
} else {
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ if (sess->deleted) {
sess = NULL;
goto out_term2;
}
- kref_get(&sess->sess_kref);
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0xffff,
+ "%s: kref_get fail %8phC \n",
+ __func__, sess->port_name);
+ sess = NULL;
+ goto out_term2;
+ }
}
- spin_lock_irqsave(&ha->hardware_lock, flags);
-
- if (tgt->tgt_stop)
- goto out_term;
-
rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
+
if (rc != 0)
goto out_term;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- qlt_put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
return;
out_term2:
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
out_term:
+ spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- qlt_put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
}
static void qlt_tmr_work(struct qla_tgt *tgt,
struct atio_from_isp *a = &prm->tm_iocb2;
struct scsi_qla_host *vha = tgt->vha;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt_sess *sess = NULL;
+ struct fc_port *sess = NULL;
unsigned long flags;
uint8_t *s_id = NULL; /* to hide compiler warnings */
int rc;
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (tgt->tgt_stop)
- goto out_term;
+ goto out_term2;
s_id = prm->tm_iocb2.u.isp24.fcp_hdr.s_id;
sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id);
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (!sess)
- goto out_term;
+ goto out_term2;
} else {
- if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ if (sess->deleted) {
sess = NULL;
- goto out_term;
+ goto out_term2;
}
- kref_get(&sess->sess_kref);
+ if (!kref_get_unless_zero(&sess->sess_kref)) {
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0xffff,
+ "%s: kref_get fail %8phC\n",
+ __func__, sess->port_name);
+ sess = NULL;
+ goto out_term2;
+ }
}
iocb = a;
unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
if (rc != 0)
goto out_term;
-
- qlt_put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
return;
+out_term2:
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
out_term:
qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1, 0);
- qlt_put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
}
static void qlt_sess_work_fn(struct work_struct *work)
tgt->ha = ha;
tgt->vha = base_vha;
init_waitqueue_head(&tgt->waitQ);
- INIT_LIST_HEAD(&tgt->sess_list);
INIT_LIST_HEAD(&tgt->del_sess_list);
- INIT_DELAYED_WORK(&tgt->sess_del_work,
- (void (*)(struct work_struct *))qlt_del_sess_work_fn);
spin_lock_init(&tgt->sess_work_lock);
INIT_WORK(&tgt->sess_work, qlt_sess_work_fn);
INIT_LIST_HEAD(&tgt->sess_works_list);
- spin_lock_init(&tgt->srr_lock);
- INIT_LIST_HEAD(&tgt->srr_ctio_list);
- INIT_LIST_HEAD(&tgt->srr_imm_list);
- INIT_WORK(&tgt->srr_work, qlt_handle_srr_work);
atomic_set(&tgt->tgt_global_resets_count, 0);
base_vha->vha_tgt.qla_tgt = tgt;
tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX;
tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX;
- if (base_vha->fc_vport)
- return 0;
-
mutex_lock(&qla_tgt_mutex);
list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist);
mutex_unlock(&qla_tgt_mutex);
+ if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->add_target)
+ ha->tgt.tgt_ops->add_target(base_vha);
+
return 0;
}
/* Must be called under HW lock */
static void qlt_set_mode(struct scsi_qla_host *vha)
{
- struct qla_hw_data *ha = vha->hw;
-
switch (ql2x_ini_mode) {
case QLA2XXX_INI_MODE_DISABLED:
case QLA2XXX_INI_MODE_EXCLUSIVE:
vha->host->active_mode = MODE_TARGET;
break;
case QLA2XXX_INI_MODE_ENABLED:
- vha->host->active_mode |= MODE_TARGET;
+ vha->host->active_mode = MODE_UNKNOWN;
+ break;
+ case QLA2XXX_INI_MODE_DUAL:
+ vha->host->active_mode = MODE_DUAL;
break;
default:
break;
}
-
- if (ha->tgt.ini_mode_force_reverse)
- qla_reverse_ini_mode(vha);
}
/* Must be called under HW lock */
static void qlt_clear_mode(struct scsi_qla_host *vha)
{
- struct qla_hw_data *ha = vha->hw;
-
switch (ql2x_ini_mode) {
case QLA2XXX_INI_MODE_DISABLED:
vha->host->active_mode = MODE_UNKNOWN;
vha->host->active_mode = MODE_INITIATOR;
break;
case QLA2XXX_INI_MODE_ENABLED:
- vha->host->active_mode &= ~MODE_TARGET;
+ case QLA2XXX_INI_MODE_DUAL:
+ vha->host->active_mode = MODE_INITIATOR;
break;
default:
break;
}
-
- if (ha->tgt.ini_mode_force_reverse)
- qla_reverse_ini_mode(vha);
}
/*
void
qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
{
- if (!qla_tgt_mode_enabled(vha))
- return;
-
vha->vha_tgt.qla_tgt = NULL;
mutex_init(&vha->vha_tgt.tgt_mutex);
* FC-4 Feature bit 0 indicates target functionality to the name server.
*/
if (qla_tgt_mode_enabled(vha)) {
- if (qla_ini_mode_enabled(vha))
- ct_req->req.rff_id.fc4_feature = BIT_0 | BIT_1;
- else
- ct_req->req.rff_id.fc4_feature = BIT_0;
+ ct_req->req.rff_id.fc4_feature = BIT_0;
} else if (qla_ini_mode_enabled(vha)) {
ct_req->req.rff_id.fc4_feature = BIT_1;
- }
+ } else if (qla_dual_mode_enabled(vha))
+ ct_req->req.rff_id.fc4_feature = BIT_0 | BIT_1;
}
/*
uint16_t cnt;
struct atio_from_isp *pkt = (struct atio_from_isp *)ha->tgt.atio_ring;
- if (!qla_tgt_mode_enabled(vha))
+ if (qla_ini_mode_enabled(vha))
return;
for (cnt = 0; cnt < ha->tgt.atio_q_length; cnt++) {
qlt_24xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_24xx *nv)
{
struct qla_hw_data *ha = vha->hw;
+ u32 tmp;
+ u16 t;
- if (qla_tgt_mode_enabled(vha)) {
+ if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
if (!ha->tgt.saved_set) {
/* We save only once */
ha->tgt.saved_exchange_count = nv->exchange_count;
ha->tgt.saved_set = 1;
}
- nv->exchange_count = cpu_to_le16(0xFFFF);
+ if (qla_tgt_mode_enabled(vha)) {
+ nv->exchange_count = cpu_to_le16(0xFFFF);
+ } else { /* dual */
+ if (ql_dm_tgt_ex_pct > 100) {
+ ql_dm_tgt_ex_pct = 50;
+ } else if (ql_dm_tgt_ex_pct == 100) {
+ /* leave some for FW */
+ ql_dm_tgt_ex_pct = 95;
+ }
+
+ tmp = ha->orig_fw_xcb_count * ql_dm_tgt_ex_pct;
+ tmp = tmp/100;
+ if (tmp > 0xffff)
+ tmp = 0xffff;
+
+ t = tmp & 0xffff;
+ nv->exchange_count = cpu_to_le16(t);
+ }
/* Enable target mode */
nv->firmware_options_1 |= cpu_to_le32(BIT_4);
/* Disable ini mode, if requested */
- if (!qla_ini_mode_enabled(vha))
+ if (qla_tgt_mode_enabled(vha))
nv->firmware_options_1 |= cpu_to_le32(BIT_5);
/* Disable Full Login after LIP */
qlt_81xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_81xx *nv)
{
struct qla_hw_data *ha = vha->hw;
+ u32 tmp;
+ u16 t;
if (!QLA_TGT_MODE_ENABLED())
return;
- if (qla_tgt_mode_enabled(vha)) {
+ if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
if (!ha->tgt.saved_set) {
/* We save only once */
ha->tgt.saved_exchange_count = nv->exchange_count;
ha->tgt.saved_set = 1;
}
- nv->exchange_count = cpu_to_le16(0xFFFF);
+ if (qla_tgt_mode_enabled(vha)) {
+ nv->exchange_count = cpu_to_le16(0xFFFF);
+ } else { /* dual */
+ if (ql_dm_tgt_ex_pct > 100) {
+ ql_dm_tgt_ex_pct = 50;
+ } else if (ql_dm_tgt_ex_pct == 100) {
+ /* leave some for FW */
+ ql_dm_tgt_ex_pct = 95;
+ }
+
+ tmp = ha->orig_fw_xcb_count * ql_dm_tgt_ex_pct;
+ tmp = tmp/100;
+ if (tmp > 0xffff)
+ tmp = 0xffff;
+ t = tmp & 0xffff;
+ nv->exchange_count = cpu_to_le16(t);
+ }
/* Enable target mode */
nv->firmware_options_1 |= cpu_to_le32(BIT_4);
/* Disable ini mode, if requested */
- if (!qla_ini_mode_enabled(vha))
+ if (qla_tgt_mode_enabled(vha))
nv->firmware_options_1 |= cpu_to_le32(BIT_5);
/* Disable Full Login after LIP */
nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
qlt_modify_vp_config(struct scsi_qla_host *vha,
struct vp_config_entry_24xx *vpmod)
{
- if (qla_tgt_mode_enabled(vha))
+ /* enable target mode. Bit5 = 1 => disable */
+ if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
vpmod->options_idx1 &= ~BIT_5;
- /* Disable ini mode, if requested */
- if (!qla_ini_mode_enabled(vha))
+
+ /* Disable ini mode, if requested. bit4 = 1 => disable */
+ if (qla_tgt_mode_enabled(vha))
vpmod->options_idx1 &= ~BIT_4;
}
mutex_init(&base_vha->vha_tgt.tgt_mutex);
mutex_init(&base_vha->vha_tgt.tgt_host_action_mutex);
+
+ INIT_LIST_HEAD(&base_vha->unknown_atio_list);
+ INIT_DELAYED_WORK(&base_vha->unknown_atio_work,
+ qlt_unknown_atio_work_fn);
+
qlt_clear_mode(base_vha);
}
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_response_pkt_all_vps(vha, (response_t *)&op->atio);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ kfree(op);
}
void
ql2x_ini_mode = QLA2XXX_INI_MODE_DISABLED;
else if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_ENABLED) == 0)
ql2x_ini_mode = QLA2XXX_INI_MODE_ENABLED;
+ else if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_DUAL) == 0)
+ ql2x_ini_mode = QLA2XXX_INI_MODE_DUAL;
else
return false;
}
qla_tgt_plogi_cachep = kmem_cache_create("qla_tgt_plogi_cachep",
- sizeof(qlt_plogi_ack_t),
- __alignof__(qlt_plogi_ack_t),
- 0, NULL);
+ sizeof(struct qlt_plogi_ack_t), __alignof__(struct qlt_plogi_ack_t),
+ 0, NULL);
if (!qla_tgt_plogi_cachep) {
ql_log(ql_log_fatal, NULL, 0xe06d,
projects / linux-2.6-block.git / blobdiff