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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c228
1 files changed, 178 insertions, 50 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b79fca7d461..209f50e788a 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -11,6 +11,7 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
+#include <linux/kobject.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
@@ -77,21 +78,6 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to report for target devices.");
-int ql2xqfulltracking = 1;
-module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xqfulltracking,
- "Controls whether the driver tracks queue full status "
- "returns and dynamically adjusts a scsi device's queue "
- "depth. Default is 1, perform tracking. Set to 0 to "
- "disable dynamic tracking and adjustment of queue depth.");
-
-int ql2xqfullrampup = 120;
-module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xqfullrampup,
- "Number of seconds to wait to begin to ramp-up the queue "
- "depth for a device after a queue-full condition has been "
- "detected. Default is 120 seconds.");
-
int ql2xiidmaenable=1;
module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xiidmaenable,
@@ -137,7 +123,7 @@ static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_change_queue_depth(struct scsi_device *, int);
+static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
static int qla2x00_change_queue_type(struct scsi_device *, int);
struct scsi_host_template qla2xxx_driver_template = {
@@ -489,11 +475,11 @@ qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
srb_t *sp;
int rval;
- if (unlikely(pci_channel_offline(ha->pdev))) {
- if (ha->pdev->error_state == pci_channel_io_frozen)
- cmd->result = DID_REQUEUE << 16;
- else
+ if (ha->flags.eeh_busy) {
+ if (ha->flags.pci_channel_io_perm_failure)
cmd->result = DID_NO_CONNECT << 16;
+ else
+ cmd->result = DID_REQUEUE << 16;
goto qc24_fail_command;
}
@@ -566,8 +552,15 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
#define ABORT_POLLING_PERIOD 1000
#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
unsigned long wait_iter = ABORT_WAIT_ITER;
+ scsi_qla_host_t *vha = shost_priv(cmd->device->host);
+ struct qla_hw_data *ha = vha->hw;
int ret = QLA_SUCCESS;
+ if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
+ DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
+ return ret;
+ }
+
while (CMD_SP(cmd) && wait_iter--) {
msleep(ABORT_POLLING_PERIOD);
}
@@ -727,23 +720,6 @@ qla2x00_abort_fcport_cmds(fc_port_t *fcport)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
-static void
-qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
-{
- struct Scsi_Host *shost = cmnd->device->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
- unsigned long flags;
-
- spin_lock_irqsave(shost->host_lock, flags);
- while (rport->port_state == FC_PORTSTATE_BLOCKED) {
- spin_unlock_irqrestore(shost->host_lock, flags);
- msleep(1000);
- spin_lock_irqsave(shost->host_lock, flags);
- }
- spin_unlock_irqrestore(shost->host_lock, flags);
- return;
-}
-
/**************************************************************************
* qla2xxx_eh_abort
*
@@ -773,7 +749,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
struct req_que *req = vha->req;
srb_t *spt;
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
if (!CMD_SP(cmd))
return SUCCESS;
@@ -904,7 +880,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
int err;
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
if (!fcport)
return FAILED;
@@ -984,7 +960,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
unsigned long serial;
srb_t *sp = (srb_t *) CMD_SP(cmd);
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
id = cmd->device->id;
lun = cmd->device->lun;
@@ -1047,7 +1023,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
srb_t *sp = (srb_t *) CMD_SP(cmd);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
id = cmd->device->id;
lun = cmd->device->lun;
@@ -1233,10 +1209,61 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
sdev->hostdata = NULL;
}
+static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
+{
+ fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
+
+ if (!scsi_track_queue_full(sdev, qdepth))
+ return;
+
+ DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
+ fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
+static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
+{
+ fc_port_t *fcport = sdev->hostdata;
+ struct scsi_qla_host *vha = fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = NULL;
+
+ req = vha->req;
+ if (!req)
+ return;
+
+ if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
+ return;
+
+ if (sdev->ordered_tags)
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
+ else
+ scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
+ fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
static int
-qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
+qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
{
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+ switch (reason) {
+ case SCSI_QDEPTH_DEFAULT:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+ break;
+ case SCSI_QDEPTH_QFULL:
+ qla2x00_handle_queue_full(sdev, qdepth);
+ break;
+ case SCSI_QDEPTH_RAMP_UP:
+ qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
+ break;
+ default:
+ return EOPNOTSUPP;
+ }
+
return sdev->queue_depth;
}
@@ -1790,6 +1817,13 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* Set ISP-type information. */
qla2x00_set_isp_flags(ha);
+
+ /* Set EEH reset type to fundamental if required by hba */
+ if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
+ pdev->needs_freset = 1;
+ pci_save_state(pdev);
+ }
+
/* Configure PCI I/O space */
ret = qla2x00_iospace_config(ha);
if (ret)
@@ -2016,13 +2050,13 @@ skip_dpc:
DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
base_vha->host_no, ha));
- base_vha->flags.init_done = 1;
- base_vha->flags.online = 1;
-
ret = scsi_add_host(host, &pdev->dev);
if (ret)
goto probe_failed;
+ base_vha->flags.init_done = 1;
+ base_vha->flags.online = 1;
+
ha->isp_ops->enable_intrs(ha);
scsi_scan_host(host);
@@ -2154,6 +2188,24 @@ qla2x00_free_device(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
+ qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
+
+ /* Disable timer */
+ if (vha->timer_active)
+ qla2x00_stop_timer(vha);
+
+ /* Kill the kernel thread for this host */
+ if (ha->dpc_thread) {
+ struct task_struct *t = ha->dpc_thread;
+
+ /*
+ * qla2xxx_wake_dpc checks for ->dpc_thread
+ * so we need to zero it out.
+ */
+ ha->dpc_thread = NULL;
+ kthread_stop(t);
+ }
+
qla25xx_delete_queues(vha);
if (ha->flags.fce_enabled)
@@ -2165,6 +2217,8 @@ qla2x00_free_device(scsi_qla_host_t *vha)
/* Stop currently executing firmware. */
qla2x00_try_to_stop_firmware(vha);
+ vha->flags.online = 0;
+
/* turn-off interrupts on the card */
if (ha->interrupts_on)
ha->isp_ops->disable_intrs(ha);
@@ -2653,6 +2707,37 @@ qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
+int
+qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
+{
+ struct qla_work_evt *e;
+
+ e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.uevent.code = code;
+ return qla2x00_post_work(vha, e);
+}
+
+static void
+qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
+{
+ char event_string[40];
+ char *envp[] = { event_string, NULL };
+
+ switch (code) {
+ case QLA_UEVENT_CODE_FW_DUMP:
+ snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
+ vha->host_no);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+ kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
+}
+
void
qla2x00_do_work(struct scsi_qla_host *vha)
{
@@ -2690,6 +2775,9 @@ qla2x00_do_work(struct scsi_qla_host *vha)
qla2x00_async_logout_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
+ case QLA_EVT_UEVENT:
+ qla2x00_uevent_emit(vha, e->u.uevent.code);
+ break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);
@@ -2805,6 +2893,13 @@ qla2x00_do_dpc(void *data)
if (!base_vha->flags.init_done)
continue;
+ if (ha->flags.eeh_busy) {
+ DEBUG17(qla_printk(KERN_WARNING, ha,
+ "qla2x00_do_dpc: dpc_flags: %lx\n",
+ base_vha->dpc_flags));
+ continue;
+ }
+
DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
ha->dpc_active = 1;
@@ -2995,8 +3090,13 @@ qla2x00_timer(scsi_qla_host_t *vha)
int index;
srb_t *sp;
int t;
+ uint16_t w;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
+
+ /* Hardware read to raise pending EEH errors during mailbox waits. */
+ if (!pci_channel_offline(ha->pdev))
+ pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
/*
* Ports - Port down timer.
*
@@ -3198,16 +3298,23 @@ qla2x00_release_firmware(void)
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
- scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
+ scsi_qla_host_t *vha = pci_get_drvdata(pdev);
+ struct qla_hw_data *ha = vha->hw;
+
+ DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
+ state));
switch (state) {
case pci_channel_io_normal:
+ ha->flags.eeh_busy = 0;
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
+ ha->flags.eeh_busy = 1;
pci_disable_device(pdev);
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
- qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
+ ha->flags.pci_channel_io_perm_failure = 1;
+ qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
return PCI_ERS_RESULT_DISCONNECT;
}
return PCI_ERS_RESULT_NEED_RESET;
@@ -3258,6 +3365,8 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
struct qla_hw_data *ha = base_vha->hw;
int rc;
+ DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
+
if (ha->mem_only)
rc = pci_enable_device_mem(pdev);
else
@@ -3266,19 +3375,33 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
if (rc) {
qla_printk(KERN_WARNING, ha,
"Can't re-enable PCI device after reset.\n");
-
return ret;
}
- pci_set_master(pdev);
if (ha->isp_ops->pci_config(base_vha))
return ret;
+#ifdef QL_DEBUG_LEVEL_17
+ {
+ uint8_t b;
+ uint32_t i;
+
+ printk("slot_reset_1: ");
+ for (i = 0; i < 256; i++) {
+ pci_read_config_byte(ha->pdev, i, &b);
+ printk("%s%02x", (i%16) ? " " : "\n", b);
+ }
+ printk("\n");
+ }
+#endif
set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
ret = PCI_ERS_RESULT_RECOVERED;
clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
+ DEBUG17(qla_printk(KERN_WARNING, ha,
+ "slot_reset-return:ret=%x\n", ret));
+
return ret;
}
@@ -3289,12 +3412,17 @@ qla2xxx_pci_resume(struct pci_dev *pdev)
struct qla_hw_data *ha = base_vha->hw;
int ret;
+ DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
+
ret = qla2x00_wait_for_hba_online(base_vha);
if (ret != QLA_SUCCESS) {
qla_printk(KERN_ERR, ha,
"the device failed to resume I/O "
"from slot/link_reset");
}
+
+ ha->flags.eeh_busy = 0;
+
pci_cleanup_aer_uncorrect_error_status(pdev);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-09 19:53:09 +0000