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authorKrishna Gudipati <kgudipat@brocade.com>2010-12-14 01:16:09 +0100
committerJames Bottomley <James.Bottomley@suse.de>2010-12-21 19:37:11 +0100
commit4e78efefa3c083240bd47153ffa99642bfdc7811 (patch)
tree22fc66e5ce15626437555a5574ca93323e8355a8 /drivers/scsi/bfa/bfa_ioc.c
parent[SCSI] bfa: remove unused functions and misc cleanups (diff)
downloadlinux-4e78efefa3c083240bd47153ffa99642bfdc7811.tar.xz
linux-4e78efefa3c083240bd47153ffa99642bfdc7811.zip
[SCSI] bfa: IOC fwtrace save logic & state machine fixes.
- Move fw trace save logic to bfa_ioc_sm_fail_entry(), so that fw trace is saved irrespective of the cause of the failure. - Make bfa_ioc_sm_fail() a failure parking state. - Rename bfa_ioc_sm_initfail() to a more appropriate bfa_ioc_sm_fail_retry() as it is no longer a parking state. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc.c')
-rw-r--r--drivers/scsi/bfa/bfa_ioc.c141
1 files changed, 74 insertions, 67 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index c4d56506e966..9173bf20ffba 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -88,6 +88,8 @@ static void bfa_ioc_recover(struct bfa_ioc_s *ioc);
static void bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc);
static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
+static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc);
+static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc);
static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc);
@@ -102,7 +104,7 @@ enum ioc_event {
IOC_E_ENABLED = 5, /* f/w enabled */
IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */
IOC_E_DISABLED = 7, /* f/w disabled */
- IOC_E_FAILED = 8, /* failure notice by iocpf sm */
+ IOC_E_PFFAILED = 8, /* failure notice by iocpf sm */
IOC_E_HBFAIL = 9, /* heartbeat failure */
IOC_E_HWERROR = 10, /* hardware error interrupt */
IOC_E_TIMEOUT = 11, /* timeout */
@@ -113,7 +115,7 @@ bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, initfail, struct bfa_ioc_s, enum ioc_event);
+bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event);
@@ -124,7 +126,7 @@ static struct bfa_sm_table_s ioc_sm_table[] = {
{BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
{BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
{BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
- {BFA_SM(bfa_ioc_sm_initfail), BFA_IOC_INITFAIL},
+ {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
{BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
@@ -298,13 +300,13 @@ bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event)
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
break;
- case IOC_E_FAILED:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
- break;
-
+ case IOC_E_PFFAILED:
+ /* !!! fall through !!! */
case IOC_E_HWERROR:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
- bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ if (event != IOC_E_PFFAILED)
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
break;
case IOC_E_DISABLE:
@@ -347,18 +349,16 @@ bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event)
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
break;
- case IOC_E_FAILED:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
break;
-
+ case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
- /* fall through */
-
+ /* !!! fall through !!! */
case IOC_E_TIMEOUT:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
- bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ if (event != IOC_E_PFFAILED)
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
break;
case IOC_E_DISABLE:
@@ -399,18 +399,20 @@ bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event)
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
- case IOC_E_FAILED:
- bfa_hb_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
- break;
-
+ case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_hb_timer_stop(ioc);
/* !!! fall through !!! */
-
case IOC_E_HBFAIL:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
- bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
+ bfa_ioc_fail_notify(ioc);
+
+ if (ioc->iocpf.auto_recover)
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ else
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
+
+ if (event != IOC_E_PFFAILED)
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
break;
default:
@@ -489,16 +491,16 @@ bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event)
static void
-bfa_ioc_sm_initfail_entry(struct bfa_ioc_s *ioc)
+bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc)
{
- ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_trc(ioc, 0);
}
/*
* Hardware initialization failed.
*/
static void
-bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event)
+bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
@@ -507,11 +509,17 @@ bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event)
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
break;
- case IOC_E_FAILED:
+ case IOC_E_PFFAILED:
+ case IOC_E_HWERROR:
/*
- * Initialization failure during iocpf init retry.
+ * Initialization retry failed.
*/
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ if (event != IOC_E_PFFAILED)
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
+ break;
+
+ case IOC_E_ENABLE:
break;
case IOC_E_DISABLE:
@@ -532,21 +540,7 @@ bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event)
static void
bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc)
{
- struct list_head *qe;
- struct bfa_ioc_hbfail_notify_s *notify;
- struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
-
- /*
- * Notify driver and common modules registered for notification.
- */
- ioc->cbfn->hbfail_cbfn(ioc->bfa);
- list_for_each(qe, &ioc->hb_notify_q) {
- notify = (struct bfa_ioc_hbfail_notify_s *) qe;
- notify->cbfn(notify->cbarg);
- }
-
- BFA_LOG(KERN_CRIT, bfad, bfa_log_level,
- "Heart Beat of IOC has failed\n");
+ bfa_trc(ioc, 0);
}
/*
@@ -559,19 +553,10 @@ bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event)
switch (event) {
- case IOC_E_FAILED:
- /*
- * Initialization failure during iocpf recovery.
- * !!! Fall through !!!
- */
case IOC_E_ENABLE:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
break;
- case IOC_E_ENABLED:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
- break;
-
case IOC_E_DISABLE:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
@@ -793,7 +778,7 @@ bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
if (event == IOCPF_E_TIMEOUT)
- bfa_fsm_send_event(ioc, IOC_E_FAILED);
+ bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
break;
case IOCPF_E_DISABLE:
@@ -850,7 +835,7 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
if (event == IOCPF_E_TIMEOUT)
- bfa_fsm_send_event(ioc, IOC_E_FAILED);
+ bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
break;
case IOCPF_E_DISABLE:
@@ -900,7 +885,7 @@ bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
else
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
- bfa_fsm_send_event(ioc, IOC_E_FAILED);
+ bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
break;
default:
@@ -1725,6 +1710,29 @@ bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz)
}
static void
+bfa_ioc_fail_notify(struct bfa_ioc_s *ioc)
+{
+ struct list_head *qe;
+ struct bfa_ioc_hbfail_notify_s *notify;
+ struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
+
+ /**
+ * Notify driver and common modules registered for notification.
+ */
+ ioc->cbfn->hbfail_cbfn(ioc->bfa);
+ list_for_each(qe, &ioc->hb_notify_q) {
+ notify = (struct bfa_ioc_hbfail_notify_s *) qe;
+ notify->cbfn(notify->cbarg);
+ }
+
+ bfa_ioc_debug_save_ftrc(ioc);
+
+ BFA_LOG(KERN_CRIT, bfad, bfa_log_level,
+ "Heart Beat of IOC has failed\n");
+
+}
+
+static void
bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
@@ -2187,7 +2195,8 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
ad_attr->cna_capable = ioc->cna;
- ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna;
+ ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna &&
+ !ad_attr->is_mezz;
}
enum bfa_ioc_type_e
@@ -2530,13 +2539,16 @@ bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc)
* Save firmware trace if configured.
*/
static void
-bfa_ioc_debug_save(struct bfa_ioc_s *ioc)
+bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc)
{
int tlen;
- if (ioc->dbg_fwsave_len) {
- tlen = ioc->dbg_fwsave_len;
- bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen);
+ if (ioc->dbg_fwsave_once) {
+ ioc->dbg_fwsave_once = BFA_FALSE;
+ if (ioc->dbg_fwsave_len) {
+ tlen = ioc->dbg_fwsave_len;
+ bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen);
+ }
}
}
@@ -2546,11 +2558,6 @@ bfa_ioc_debug_save(struct bfa_ioc_s *ioc)
static void
bfa_ioc_recover(struct bfa_ioc_s *ioc)
{
- if (ioc->dbg_fwsave_once) {
- ioc->dbg_fwsave_once = BFA_FALSE;
- bfa_ioc_debug_save(ioc);
- }
-
bfa_ioc_stats(ioc, ioc_hbfails);
bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
}