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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 46e062dafd8..e0142889582 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -904,6 +904,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
{
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 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
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 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
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);