summaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/bfa_ioc_ct.c
diff options
context:
space:
mode:
authorKrishna Gudipati <kgudipat@brocade.com>2011-06-25 03:22:56 (GMT)
committerJames Bottomley <JBottomley@Parallels.com>2011-06-29 21:57:52 (GMT)
commit5a0adaedffce91100d03fc1036dde024c8589295 (patch)
tree672bba0f2dd33eea68a492dc4567f42d16a53c4d /drivers/scsi/bfa/bfa_ioc_ct.c
parent1a4d8e1bd81c018f7b8c7622066d5cfead59b38a (diff)
downloadlinux-fsl-qoriq-5a0adaedffce91100d03fc1036dde024c8589295.tar.xz
[SCSI] bfa: IOC bug fixes.
- Add logic to handle the case where PCI mapping goes away when IOCPF state machine is waiting for semaphore. - Added logic to unlock hw semaphore if the previos FW boot was from flash based and the current FW initialization attempt is from OS. - Added fix to update hbfails and hb_count stats during hwerror event. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
-rw-r--r--drivers/scsi/bfa/bfa_ioc_ct.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c
index 5b55794..216016c 100644
--- a/drivers/scsi/bfa/bfa_ioc_ct.c
+++ b/drivers/scsi/bfa/bfa_ioc_ct.c
@@ -58,12 +58,6 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
struct bfi_ioc_image_hdr_s fwhdr;
/*
- * Firmware match check is relevant only for CNA.
- */
- if (!bfa_ioc_is_cna(ioc))
- return BFA_TRUE;
-
- /*
* If bios boot (flash based) -- do not increment usage count
*/
if (bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)) <
@@ -78,6 +72,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
*/
if (usecnt == 0) {
writel(1, ioc->ioc_regs.ioc_usage_reg);
+ readl(ioc->ioc_regs.ioc_usage_sem_reg);
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
writel(0, ioc->ioc_regs.ioc_fail_sync);
bfa_trc(ioc, usecnt);
@@ -97,6 +92,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
*/
bfa_ioc_fwver_get(ioc, &fwhdr);
if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) {
+ readl(ioc->ioc_regs.ioc_usage_sem_reg);
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
bfa_trc(ioc, usecnt);
return BFA_FALSE;
@@ -107,6 +103,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
*/
usecnt++;
writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
+ readl(ioc->ioc_regs.ioc_usage_sem_reg);
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
bfa_trc(ioc, usecnt);
return BFA_TRUE;
@@ -118,12 +115,6 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
u32 usecnt;
/*
- * Firmware lock is relevant only for CNA.
- */
- if (!bfa_ioc_is_cna(ioc))
- return;
-
- /*
* If bios boot (flash based) -- do not decrement usage count
*/
if (bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)) <
@@ -141,6 +132,7 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
bfa_trc(ioc, usecnt);
+ readl(ioc->ioc_regs.ioc_usage_sem_reg);
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
}
@@ -344,7 +336,11 @@ bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc)
static void
bfa_ioc_ct2_map_port(struct bfa_ioc_s *ioc)
{
- ioc->port_id = bfa_ioc_pcifn(ioc) % 2;
+ void __iomem *rb = ioc->pcidev.pci_bar_kva;
+ u32 r32;
+
+ r32 = readl(rb + CT2_HOSTFN_PERSONALITY0);
+ ioc->port_id = ((r32 & __FC_LL_PORT_MAP__MK) >> __FC_LL_PORT_MAP__SH);
bfa_trc(ioc, bfa_ioc_pcifn(ioc));
bfa_trc(ioc, ioc->port_id);
@@ -407,6 +403,7 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc)
if (bfa_ioc_is_cna(ioc)) {
bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
writel(0, ioc->ioc_regs.ioc_usage_reg);
+ readl(ioc->ioc_regs.ioc_usage_sem_reg);
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
}