[SCSI] lpfc: Fix error loading on sparc
Bug reported via SourceForge - lpfc does not load on sparc. The lpfc
driver must byteswap all FCP IOCBs to recover the data into cpu native
format.
Also correct issue of "iotag not found" messages
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 46e062d..e014288 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -904,6 +904,7 @@
{
struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
IOCB_t *irsp = NULL;
+ IOCB_t *entry = NULL;
struct lpfc_iocbq *cmdiocbq = NULL;
struct lpfc_iocbq rspiocbq;
uint32_t status;
@@ -948,7 +949,17 @@
rmb();
while (pring->rspidx != portRspPut) {
- irsp = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+ /*
+ * Fetch an entry off the ring and copy it into a local data
+ * structure. The copy involves a byte-swap since the
+ * network byte order and pci byte orders are different.
+ */
+ entry = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+ lpfc_sli_pcimem_bcopy((uint32_t *) entry,
+ (uint32_t *) &rspiocbq.iocb,
+ sizeof (IOCB_t));
+ irsp = &rspiocbq.iocb;
+
type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
pring->stats.iocb_rsp++;
rsp_cmpl++;
@@ -980,10 +991,6 @@
break;
}
- rspiocbq.iocb.un.ulpWord[4] = irsp->un.ulpWord[4];
- rspiocbq.iocb.ulpStatus = irsp->ulpStatus;
- rspiocbq.iocb.ulpContext = irsp->ulpContext;
- rspiocbq.iocb.ulpIoTag = irsp->ulpIoTag;
cmdiocbq = lpfc_sli_txcmpl_ring_iotag_lookup(phba,
pring,
&rspiocbq);