From: Lalit Chandivade <lalit.chandivade@xxxxxxxxxx>
Ensure that an ISP-abort has completed before performing any
update. After the update do not wait for an ISP-abort completion,
instead just wait until the ISP is reset. This avoids long
delays due to waiting for loop ready in qla2x00_abort_isp().
Signed-off-by: Lalit Chandivade <lalit.chandivade@xxxxxxxxxx>
Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_attr.c | 21 +++++++++++++++++++++
drivers/scsi/qla2xxx/qla_def.h | 1 +
drivers/scsi/qla2xxx/qla_gbl.h | 1 +
drivers/scsi/qla2xxx/qla_init.c | 5 +++++
drivers/scsi/qla2xxx/qla_os.c | 28 ++++++++++++++++++++++++++++
drivers/scsi/qla2xxx/qla_sup.c | 2 +-
6 files changed, 57 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 41ce1c6..117517d 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -137,12 +137,21 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj,
*iter = chksum;
}
+ if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "HBA not online, failing NVRAM update.\n");
+ return -EAGAIN;
+ }
+
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
count);
+ /* NVRAM settings take effect immediately. */
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_chip_reset(vha);
return (count);
}
@@ -330,6 +339,12 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
if (ha->optrom_state != QLA_SWRITING)
break;
+ if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "HBA not online, failing flash update.\n");
+ return -EAGAIN;
+ }
+
DEBUG2(qla_printk(KERN_INFO, ha,
"Writing flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size));
@@ -380,6 +395,12 @@ qla2x00_sysfs_write_vpd(struct kobject *kobj,
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
return 0;
+ if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "HBA not online, failing VPD update.\n");
+ return -EAGAIN;
+ }
+
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index bca572f..421c634 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2261,6 +2261,7 @@ struct qla_hw_data {
uint32_t npiv_supported :1;
uint32_t fce_enabled :1;
uint32_t fac_supported :1;
+ uint32_t chip_reset_done :1;
} flags;
/* This spinlock is used to protect "io transactions", you must
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 4d52bf1..c75e7f9 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -110,6 +110,7 @@ extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *, int);
extern struct fw_blob *qla2x00_request_firmware(scsi_qla_host_t *);
extern int qla2x00_wait_for_hba_online(scsi_qla_host_t *);
+extern int qla2x00_wait_for_chip_reset(scsi_qla_host_t *);
extern void qla2xxx_wake_dpc(struct scsi_qla_host *);
extern void qla2x00_alert_all_vps(struct rsp_que *, uint16_t *);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index c37888e..a274750 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -61,8 +61,10 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
int rval;
struct qla_hw_data *ha = vha->hw;
struct req_que *req = ha->req_q_map[0];
+
/* Clear adapter flags. */
vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
vha->flags.reset_active = 0;
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
atomic_set(&vha->loop_state, LOOP_DOWN);
@@ -131,6 +133,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
}
}
rval = qla2x00_init_rings(vha);
+ ha->flags.chip_reset_done = 1;
return (rval);
}
@@ -3321,6 +3324,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
if (vha->flags.online) {
vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ha->qla_stats.total_isp_aborts++;
@@ -3470,6 +3474,7 @@ qla2x00_restart_isp(scsi_qla_host_t *vha)
if (!status && !(status = qla2x00_init_rings(vha))) {
clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
+ ha->flags.chip_reset_done = 1;
/* Initialize the queues in use */
qla25xx_init_queues(ha);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c795461..1c3d165 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -535,6 +535,34 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
return (return_status);
}
+int
+qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
+{
+ int return_status;
+ unsigned long wait_reset;
+ struct qla_hw_data *ha = vha->hw;
+ scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+
+ wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
+ while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
+ test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
+ test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
+ ha->dpc_active) && time_before(jiffies, wait_reset)) {
+
+ msleep(1000);
+
+ if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
+ ha->flags.chip_reset_done)
+ break;
+ }
+ if (ha->flags.chip_reset_done)
+ return_status = QLA_SUCCESS;
+ else
+ return_status = QLA_FUNCTION_FAILED;
+
+ return return_status;
+}
+
/*
* qla2x00_wait_for_loop_ready
* Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index ff5aa75..09f893d 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -1949,7 +1949,7 @@ qla2x00_resume_hba(struct scsi_qla_host *vha)
clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
- qla2x00_wait_for_hba_online(vha);
+ qla2x00_wait_for_chip_reset(vha);
scsi_unblock_requests(vha->host);
}
--
1.6.2.rc0.55.g30aa4f
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