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scsi: lpfc: Fix Xlane dynamic LUN set for LUN priority. 

Fix Xlane dynamic LUN set for LUN priority. Dynamic changing of the
priority was not getting reflected on the LUN.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2016-12-19 15:07:26 -08:00 committed by Martin K. Petersen
parent 104450eb08
commit b5749fe182
3 changed files with 31 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -2224,7 +2224,8 @@ lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr,
else
phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT;
phba->cfg_oas_flags &= ~OAS_LUN_VALID;
phba->cfg_oas_priority = phba->cfg_XLanePriority;
if (phba->cfg_oas_priority == 0)
phba->cfg_oas_priority = phba->cfg_XLanePriority;
phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
return count;
}
@ -2350,7 +2351,7 @@ lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
rc = -ENOMEM;
} else {
lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
(struct lpfc_name *)tgt_wwpn, lun);
(struct lpfc_name *)tgt_wwpn, lun, pri);
}
return rc;
@ -2374,7 +2375,8 @@ lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
*/
static uint64_t
lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
uint8_t tgt_wwpn[], uint32_t *lun_status)
uint8_t tgt_wwpn[], uint32_t *lun_status,
uint32_t *lun_pri)
{
uint64_t found_lun;
@ -2387,7 +2389,7 @@ lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
&phba->sli4_hba.oas_next_lun,
(struct lpfc_name *)vpt_wwpn,
(struct lpfc_name *)tgt_wwpn,
&found_lun, lun_status))
&found_lun, lun_status, lun_pri))
return found_lun;
else
return NOT_OAS_ENABLED_LUN;
@ -2459,7 +2461,8 @@ lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr,
oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
phba->cfg_oas_tgt_wwpn,
&phba->cfg_oas_lun_status);
&phba->cfg_oas_lun_status,
&phba->cfg_oas_priority);
if (oas_lun != NOT_OAS_ENABLED_LUN)
phba->cfg_oas_flags |= OAS_LUN_VALID;
@ -2490,6 +2493,7 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
struct Scsi_Host *shost = class_to_shost(dev);
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
uint64_t scsi_lun;
uint32_t pri;
ssize_t rc;
if (!phba->cfg_fof)
@ -2507,17 +2511,20 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
return -EINVAL;
pri = phba->cfg_oas_priority;
if (pri == 0)
pri = phba->cfg_XLanePriority;
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
"priority 0x%x with oas state %d\n",
wwn_to_u64(phba->cfg_oas_vpt_wwpn),
wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
phba->cfg_oas_priority, phba->cfg_oas_lun_state);
pri, phba->cfg_oas_lun_state);
rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
phba->cfg_oas_tgt_wwpn, scsi_lun,
phba->cfg_oas_lun_state,
phba->cfg_oas_priority);
phba->cfg_oas_lun_state, pri);
if (rc)
return rc;

7
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -480,7 +480,7 @@ void lpfc_sli4_offline_eratt(struct lpfc_hba *);
struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
struct lpfc_name *,
struct lpfc_name *,
uint64_t, bool);
uint64_t, uint32_t, bool);
void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
struct list_head *list,
@ -489,9 +489,10 @@ struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
struct lpfc_name *, uint64_t, uint8_t);
bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
struct lpfc_name *, uint64_t);
struct lpfc_name *, uint64_t, uint8_t);
bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
struct lpfc_name *, uint64_t *, struct lpfc_name *,
struct lpfc_name *, uint64_t *, uint32_t *);
struct lpfc_name *, uint64_t *,
uint32_t *, uint32_t *);
int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);

18
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -5452,7 +5452,9 @@ lpfc_slave_alloc(struct scsi_device *sdev)
device_data = lpfc_create_device_data(phba,
&vport->fc_portname,
&target_wwpn,
sdev->lun, true);
sdev->lun,
phba->cfg_XLanePriority,
true);
if (!device_data)
return -ENOMEM;
spin_lock_irqsave(&phba->devicelock, flags);
@ -5587,7 +5589,7 @@ lpfc_slave_destroy(struct scsi_device *sdev)
struct lpfc_device_data*
lpfc_create_device_data(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
struct lpfc_name *target_wwpn, uint64_t lun,
bool atomic_create)
uint32_t pri, bool atomic_create)
{
struct lpfc_device_data *lun_info;
@ -5614,7 +5616,7 @@ lpfc_create_device_data(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
sizeof(struct lpfc_name));
lun_info->device_id.lun = lun;
lun_info->oas_enabled = false;
lun_info->priority = phba->cfg_XLanePriority;
lun_info->priority = pri;
lun_info->available = false;
return lun_info;
}
@ -5716,7 +5718,8 @@ lpfc_find_next_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
struct lpfc_name *found_vport_wwpn,
struct lpfc_name *found_target_wwpn,
uint64_t *found_lun,
uint32_t *found_lun_status)
uint32_t *found_lun_status,
uint32_t *found_lun_pri)
{
unsigned long flags;
@ -5763,6 +5766,7 @@ lpfc_find_next_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
OAS_LUN_STATUS_EXISTS;
else
*found_lun_status = 0;
*found_lun_pri = lun_info->priority;
if (phba->cfg_oas_flags & OAS_FIND_ANY_VPORT)
memset(vport_wwpn, 0x0,
sizeof(struct lpfc_name));
@ -5824,13 +5828,14 @@ lpfc_enable_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
if (lun_info) {
if (!lun_info->oas_enabled)
lun_info->oas_enabled = true;
lun_info->priority = pri;
spin_unlock_irqrestore(&phba->devicelock, flags);
return true;
}
/* Create an lun info structure and add to list of luns */
lun_info = lpfc_create_device_data(phba, vport_wwpn, target_wwpn, lun,
false);
pri, false);
if (lun_info) {
lun_info->oas_enabled = true;
lun_info->priority = pri;
@ -5864,7 +5869,7 @@ lpfc_enable_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
**/
bool
lpfc_disable_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
struct lpfc_name *target_wwpn, uint64_t lun)
struct lpfc_name *target_wwpn, uint64_t lun, uint8_t pri)
{
struct lpfc_device_data *lun_info;
@ -5882,6 +5887,7 @@ lpfc_disable_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn,
target_wwpn, lun);
if (lun_info) {
lun_info->oas_enabled = false;
lun_info->priority = pri;
if (!lun_info->available)
lpfc_delete_device_data(phba, lun_info);
spin_unlock_irqrestore(&phba->devicelock, flags);