"Enables FDMI registrations. "
"0 - no FDMI. Default is 1 - perform FDMI.");
-#define MAX_Q_DEPTH 32
-static int ql2xmaxqdepth = MAX_Q_DEPTH;
+int ql2xmaxqdepth = MAX_Q_DEPTH;
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to set for each LUN. "
(req->length + 1) * sizeof(request_t),
req->ring, req->dma);
+ if (req)
+ kfree(req->outstanding_cmds);
+
kfree(req);
req = NULL;
}
}
CMD_SP(cmd) = NULL;
- mempool_free(sp, ha->srb_mempool);
+ qla2x00_rel_sp(sp->fcport->vha, sp);
}
static void
goto qc24_target_busy;
}
- sp = qla2x00_get_sp(base_vha, fcport, GFP_ATOMIC);
- if (!sp)
+ sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
+ if (!sp) {
+ set_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags);
goto qc24_host_busy;
+ }
sp->u.scmd.cmd = cmd;
sp->type = SRB_SCSI_CMD;
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
"Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
+ set_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags);
goto qc24_host_busy_free_sp;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
req = vha->req;
for (cnt = 1; status == QLA_SUCCESS &&
- cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
+ cnt < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (!sp)
continue;
}
if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+ qla2x00_mark_all_devices_lost(vha, 0);
ret = qla2x00_full_login_lip(vha);
if (ret != QLA_SUCCESS) {
ql_dbg(ql_dbg_taskm, vha, 0x802d,
"full_login_lip=%d.\n", ret);
}
- atomic_set(&vha->loop_state, LOOP_DOWN);
- atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
- qla2x00_mark_all_devices_lost(vha, 0);
}
if (ha->flags.enable_lip_reset) {
req = ha->req_q_map[que];
if (!req)
continue;
- for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
+ if (!req->outstanding_cmds)
+ continue;
+ for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (sp) {
req->outstanding_cmds[cnt] = NULL;
return tag_type;
}
+static void
+qla2x00_host_ramp_down_queuedepth(scsi_qla_host_t *vha)
+{
+ scsi_qla_host_t *vp;
+ struct Scsi_Host *shost;
+ struct scsi_device *sdev;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+
+ ha->host_last_rampdown_time = jiffies;
+
+ if (ha->cfg_lun_q_depth <= vha->host->cmd_per_lun)
+ return;
+
+ if ((ha->cfg_lun_q_depth / 2) < vha->host->cmd_per_lun)
+ ha->cfg_lun_q_depth = vha->host->cmd_per_lun;
+ else
+ ha->cfg_lun_q_depth = ha->cfg_lun_q_depth / 2;
+
+ /*
+ * Geometrically ramp down the queue depth for all devices on this
+ * adapter
+ */
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry(vp, &ha->vp_list, list) {
+ shost = vp->host;
+ shost_for_each_device(sdev, shost) {
+ if (sdev->queue_depth > shost->cmd_per_lun) {
+ if (sdev->queue_depth < ha->cfg_lun_q_depth)
+ continue;
+ ql_log(ql_log_warn, vp, 0x3031,
+ "%ld:%d:%d: Ramping down queue depth to %d",
+ vp->host_no, sdev->id, sdev->lun,
+ ha->cfg_lun_q_depth);
+ qla2x00_change_queue_depth(sdev,
+ ha->cfg_lun_q_depth, SCSI_QDEPTH_DEFAULT);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ return;
+}
+
+static void
+qla2x00_host_ramp_up_queuedepth(scsi_qla_host_t *vha)
+{
+ scsi_qla_host_t *vp;
+ struct Scsi_Host *shost;
+ struct scsi_device *sdev;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+
+ ha->host_last_rampup_time = jiffies;
+ ha->cfg_lun_q_depth++;
+
+ /*
+ * Linearly ramp up the queue depth for all devices on this
+ * adapter
+ */
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry(vp, &ha->vp_list, list) {
+ shost = vp->host;
+ shost_for_each_device(sdev, shost) {
+ if (sdev->queue_depth > ha->cfg_lun_q_depth)
+ continue;
+ qla2x00_change_queue_depth(sdev, ha->cfg_lun_q_depth,
+ SCSI_QDEPTH_RAMP_UP);
+ }
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ return;
+}
+
/**
* qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context
mqiobase_exit:
ha->msix_count = ha->max_rsp_queues + 1;
+
+ qlt_83xx_iospace_config(ha);
+
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
"MSIX Count:%d.\n", ha->msix_count);
return 0;
ha->init_cb_size = sizeof(init_cb_t);
ha->link_data_rate = PORT_SPEED_UNKNOWN;
ha->optrom_size = OPTROM_SIZE_2300;
+ ha->cfg_lun_q_depth = ql2xmaxqdepth;
/* Assign ISP specific operations. */
if (IS_QLA2100(ha)) {
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
+ if (!atomic_read(&pdev->enable_cnt))
+ return;
+
vha = pci_get_drvdata(pdev);
ha = vha->hw;
qla2xxx_flash_npiv_conf(base_vha);
}
+ if (test_and_clear_bit(HOST_RAMP_DOWN_QUEUE_DEPTH,
+ &base_vha->dpc_flags)) {
+ /* Prevents simultaneous ramp up and down */
+ clear_bit(HOST_RAMP_UP_QUEUE_DEPTH,
+ &base_vha->dpc_flags);
+ qla2x00_host_ramp_down_queuedepth(base_vha);
+ }
+
+ if (test_and_clear_bit(HOST_RAMP_UP_QUEUE_DEPTH,
+ &base_vha->dpc_flags))
+ qla2x00_host_ramp_up_queuedepth(base_vha);
+
if (!ha->interrupts_on)
ha->isp_ops->enable_intrs(ha);
cpu_flags);
req = ha->req_q_map[0];
for (index = 1;
- index < MAX_OUTSTANDING_COMMANDS;
+ index < req->num_outstanding_cmds;
index++) {
fc_port_t *sfcp;
test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
- test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
+ test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
+ test_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags) ||
+ test_bit(HOST_RAMP_UP_QUEUE_DEPTH, &vha->dpc_flags))) {
ql_dbg(ql_dbg_timer, vha, 0x600b,
"isp_abort_needed=%d loop_resync_needed=%d "
"fcport_update_needed=%d start_dpc=%d "
ql_dbg(ql_dbg_timer, vha, 0x600c,
"beacon_blink_needed=%d isp_unrecoverable=%d "
"fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
- "relogin_needed=%d.\n",
+ "relogin_needed=%d, host_ramp_down_needed=%d "
+ "host_ramp_up_needed=%d.\n",
test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
- test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
+ test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
+ test_bit(HOST_RAMP_UP_QUEUE_DEPTH, &vha->dpc_flags),
+ test_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags));
qla2xxx_wake_dpc(vha);
}
projects / linux-block.git / blobdiff