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[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Mailbox handling

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The mailbox commands themselves are the same, or very similar to
their SLI3 counterparts. This patch genericizes mailbox command
handling and adds support for the new SLI4 mailbox queue.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Smart
2009-05-22 14:52:52 -04:00
committed by James Bottomley
parent 4f774513f7
commit 04c6849684
8 changed files with 1101 additions and 147 deletions
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47
drivers/scsi/lpfc/lpfc_attr.c
View File

@@ -507,12 +507,14 @@ lpfc_issue_lip(struct Scsi_Host *shost)
return -ENOMEM;
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
pmboxq->mb.mbxOwner = OWN_HOST;
pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
pmboxq->u.mb.mbxOwner = OWN_HOST;
mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
if ((mbxstatus == MBX_SUCCESS) &&
(pmboxq->u.mb.mbxStatus == 0 ||
pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
lpfc_init_link(phba, pmboxq, phba->cfg_topology,
phba->cfg_link_speed);
@@ -791,7 +793,8 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
uint32_t *mrpi, uint32_t *arpi,
uint32_t *mvpi, uint32_t *avpi)
{
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli *psli = &phba->sli;
struct lpfc_mbx_read_config *rd_config;
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *pmb;
int rc = 0;
@@ -813,7 +816,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
return 0;
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmb = &pmboxq->mb;
pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_CONFIG;
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
@@ -3247,7 +3250,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
}
}
memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,
buf, count);
phba->sysfs_mbox.offset = off + count;
@@ -3289,6 +3292,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
int rc;
MAILBOX_t *pmb;
if (off > MAILBOX_CMD_SIZE)
return -ERANGE;
@@ -3313,8 +3317,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
if (off == 0 &&
phba->sysfs_mbox.state == SMBOX_WRITING &&
phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
pmb = &phba->sysfs_mbox.mbox->u.mb;
switch (pmb->mbxCommand) {
/* Offline only */
case MBX_INIT_LINK:
case MBX_DOWN_LINK:
@@ -3331,7 +3335,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
printk(KERN_WARNING "mbox_read:Command 0x%x "
"is illegal in on-line state\n",
phba->sysfs_mbox.mbox->mb.mbxCommand);
pmb->mbxCommand);
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EPERM;
@@ -3367,13 +3371,13 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
case MBX_CONFIG_PORT:
case MBX_RUN_BIU_DIAG:
printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
phba->sysfs_mbox.mbox->mb.mbxCommand);
pmb->mbxCommand);
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EPERM;
default:
printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
phba->sysfs_mbox.mbox->mb.mbxCommand);
pmb->mbxCommand);
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EPERM;
@@ -3383,14 +3387,14 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
* or RESTART mailbox commands until the HBA is restarted.
*/
if (phba->pport->stopped &&
phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY &&
phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART &&
phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS &&
phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN)
pmb->mbxCommand != MBX_DUMP_MEMORY &&
pmb->mbxCommand != MBX_RESTART &&
pmb->mbxCommand != MBX_WRITE_VPARMS &&
pmb->mbxCommand != MBX_WRITE_WWN)
lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
"1259 mbox: Issued mailbox cmd "
"0x%x while in stopped state.\n",
phba->sysfs_mbox.mbox->mb.mbxCommand);
pmb->mbxCommand);
phba->sysfs_mbox.mbox->vport = vport;
@@ -3416,8 +3420,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
spin_unlock_irq(&phba->hbalock);
rc = lpfc_sli_issue_mbox_wait (phba,
phba->sysfs_mbox.mbox,
lpfc_mbox_tmo_val(phba,
phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
spin_lock_irq(&phba->hbalock);
}
@@ -3439,7 +3442,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
return -EAGAIN;
}
memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
memcpy(buf, (uint8_t *) &pmb + off, count);
phba->sysfs_mbox.offset = off + count;
@@ -3711,14 +3714,14 @@ lpfc_get_stats(struct Scsi_Host *shost)
return NULL;
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmb = &pmboxq->mb;
pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_STATUS;
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
pmboxq->vport = vport;
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
(!(psli->sli_flag & LPFC_SLI_ACTIVE)))
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
@@ -3817,7 +3820,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
return;
memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
pmb = &pmboxq->mb;
pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_STATUS;
pmb->mbxOwner = OWN_HOST;
pmb->un.varWords[0] = 0x1; /* reset request */