[SCSI] lpfc 8.2.8 : Update driver for new SLI-3 features
Update driver for new SLI-3 features:
- interrupt enhancements
- lose adapter doorbell writes
- inlining support for FCP_Ixx cmds
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 3cf4884..77afa2b 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -406,11 +406,8 @@
static IOCB_t *
lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
{
- struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
- &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
- &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
uint32_t max_cmd_idx = pring->numCiocb;
-
if ((pring->next_cmdidx == pring->cmdidx) &&
(++pring->next_cmdidx >= max_cmd_idx))
pring->next_cmdidx = 0;
@@ -625,9 +622,11 @@
/*
* Tell the HBA that there is work to do in this ring.
*/
- wmb();
- writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
- readl(phba->CAregaddr); /* flush */
+ if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) {
+ wmb();
+ writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
+ readl(phba->CAregaddr); /* flush */
+ }
}
/**
@@ -1654,9 +1653,7 @@
static void
lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
{
- struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
- &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
- &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
/*
* Ring <ringno> handler: portRspPut <portRspPut> is bigger then
* rsp ring <portRspMax>
@@ -1704,7 +1701,7 @@
IOCB_t *entry = NULL;
struct lpfc_iocbq *cmdiocbq = NULL;
struct lpfc_iocbq rspiocbq;
- struct lpfc_pgp *pgp;
+ struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
uint32_t status;
uint32_t portRspPut, portRspMax;
int type;
@@ -1714,11 +1711,6 @@
pring->stats.iocb_event++;
- pgp = (phba->sli_rev == 3) ?
- &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
- &phba->slim2p->mbx.us.s2.port[pring->ringno];
-
-
/*
* The next available response entry should never exceed the maximum
* entries. If it does, treat it as an adapter hardware error.
@@ -1870,9 +1862,7 @@
lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
struct lpfc_sli_ring *pring, uint32_t mask)
{
- struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
- &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
- &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
IOCB_t *irsp = NULL;
IOCB_t *entry = NULL;
struct lpfc_iocbq *cmdiocbq = NULL;
@@ -2064,9 +2054,7 @@
lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
struct lpfc_sli_ring *pring, uint32_t mask)
{
- struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
- &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
- &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ struct lpfc_pgp *pgp;
IOCB_t *entry;
IOCB_t *irsp = NULL;
struct lpfc_iocbq *rspiocbp = NULL;
@@ -2080,6 +2068,7 @@
int rc = 1;
unsigned long iflag;
+ pgp = &phba->port_gp[pring->ringno];
spin_lock_irqsave(&phba->hbalock, iflag);
pring->stats.iocb_event++;
@@ -2990,13 +2979,15 @@
if (rc == -ERESTART) {
phba->link_state = LPFC_LINK_UNKNOWN;
continue;
- } else if (rc) {
+ } else if (rc)
break;
- }
-
phba->link_state = LPFC_INIT_MBX_CMDS;
lpfc_config_port(phba, pmb);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+ phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
+ LPFC_SLI3_HBQ_ENABLED |
+ LPFC_SLI3_CRP_ENABLED |
+ LPFC_SLI3_INB_ENABLED);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0442 Adapter failed to init, mbxCmd x%x "
@@ -3006,25 +2997,44 @@
phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
spin_unlock_irq(&phba->hbalock);
rc = -ENXIO;
- } else {
+ } else
done = 1;
- phba->max_vpi = (phba->max_vpi &&
- pmb->mb.un.varCfgPort.gmv) != 0
- ? pmb->mb.un.varCfgPort.max_vpi
- : 0;
- }
}
-
if (!done) {
rc = -EINVAL;
goto do_prep_failed;
}
-
- if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
- (!pmb->mb.un.varCfgPort.cMA)) {
- rc = -ENXIO;
+ if (pmb->mb.un.varCfgPort.sli_mode == 3) {
+ if (!pmb->mb.un.varCfgPort.cMA) {
+ rc = -ENXIO;
+ goto do_prep_failed;
+ }
+ if (phba->max_vpi && pmb->mb.un.varCfgPort.gmv) {
+ phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
+ phba->max_vpi = pmb->mb.un.varCfgPort.max_vpi;
+ } else
+ phba->max_vpi = 0;
+ if (pmb->mb.un.varCfgPort.gerbm)
+ phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
+ if (pmb->mb.un.varCfgPort.gcrp)
+ phba->sli3_options |= LPFC_SLI3_CRP_ENABLED;
+ if (pmb->mb.un.varCfgPort.ginb) {
+ phba->sli3_options |= LPFC_SLI3_INB_ENABLED;
+ phba->port_gp = phba->mbox->us.s3_inb_pgp.port;
+ phba->inb_ha_copy = &phba->mbox->us.s3_inb_pgp.ha_copy;
+ phba->inb_counter = &phba->mbox->us.s3_inb_pgp.counter;
+ phba->inb_last_counter =
+ phba->mbox->us.s3_inb_pgp.counter;
+ } else {
+ phba->port_gp = phba->mbox->us.s3_pgp.port;
+ phba->inb_ha_copy = NULL;
+ phba->inb_counter = NULL;
+ }
+ } else {
+ phba->port_gp = phba->mbox->us.s2.port;
+ phba->inb_ha_copy = NULL;
+ phba->inb_counter = NULL;
}
-
do_prep_failed:
mempool_free(pmb, phba->mbox_mem_pool);
return rc;
@@ -3085,9 +3095,6 @@
if (phba->sli_rev == 3) {
phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE;
phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE;
- phba->sli3_options |= LPFC_SLI3_ENABLED;
- phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
-
} else {
phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE;
phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE;
@@ -3255,7 +3262,7 @@
int i;
unsigned long timeout;
unsigned long drvr_flag = 0;
- volatile uint32_t word0, ldata;
+ uint32_t word0, ldata;
void __iomem *to_slim;
int processing_queue = 0;
@@ -3415,12 +3422,11 @@
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* First copy command data to host SLIM area */
- lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
} else {
if (mb->mbxCommand == MBX_CONFIG_PORT) {
/* copy command data into host mbox for cmpl */
- lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx,
- MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
}
/* First copy mbox command data to HBA SLIM, skip past first
@@ -3430,7 +3436,7 @@
MAILBOX_CMD_SIZE - sizeof (uint32_t));
/* Next copy over first word, with mbxOwner set */
- ldata = *((volatile uint32_t *)mb);
+ ldata = *((uint32_t *)mb);
to_slim = phba->MBslimaddr;
writel(ldata, to_slim);
readl(to_slim); /* flush */
@@ -3462,7 +3468,7 @@
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* First read mbox status word */
- word0 = *((volatile uint32_t *)&phba->slim2p->mbx);
+ word0 = *((uint32_t *)phba->mbox);
word0 = le32_to_cpu(word0);
} else {
/* First read mbox status word */
@@ -3501,12 +3507,11 @@
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* First copy command data */
- word0 = *((volatile uint32_t *)
- &phba->slim2p->mbx);
+ word0 = *((uint32_t *)phba->mbox);
word0 = le32_to_cpu(word0);
if (mb->mbxCommand == MBX_CONFIG_PORT) {
MAILBOX_t *slimmb;
- volatile uint32_t slimword0;
+ uint32_t slimword0;
/* Check real SLIM for any errors */
slimword0 = readl(phba->MBslimaddr);
slimmb = (MAILBOX_t *) & slimword0;
@@ -3527,8 +3532,7 @@
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* copy results back to user */
- lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb,
- MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(phba->mbox, mb, MAILBOX_CMD_SIZE);
} else {
/* First copy command data */
lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
@@ -5095,7 +5099,16 @@
* preserve status) and Link Attention
*/
spin_lock(&phba->hbalock);
- ha_copy = readl(phba->HAregaddr);
+ if (phba->sli3_options & LPFC_SLI3_INB_ENABLED &&
+ (phba->inb_last_counter != *phba->inb_counter)) {
+ phba->inb_last_counter = *phba->inb_counter;
+ ha_copy = le32_to_cpu(*phba->inb_ha_copy);
+ } else
+ ha_copy = readl(phba->HAregaddr);
+ if (unlikely(!ha_copy)) {
+ spin_unlock(&phba->hbalock);
+ return IRQ_NONE;
+ }
/* If somebody is waiting to handle an eratt don't process it
* here. The brdkill function will do this.
*/
@@ -5105,9 +5118,6 @@
readl(phba->HAregaddr); /* flush */
spin_unlock(&phba->hbalock);
- if (unlikely(!ha_copy))
- return IRQ_NONE;
-
work_ha_copy = ha_copy & phba->work_ha_mask;
if (unlikely(work_ha_copy)) {
@@ -5194,7 +5204,7 @@
(phba->sli.mbox_active)) {
pmb = phba->sli.mbox_active;
pmbox = &pmb->mb;
- mbox = &phba->slim2p->mbx;
+ mbox = phba->mbox;
vport = pmb->vport;
/* First check out the status word */