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[SCSI] bfa: Fix to handle firmware tskim abort request response

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- Enhance tracing to include both tskim tag and event.
- Handle the tskim abort response from firmware in the
  tskim state machine cleanup state and proceed with the
  tskim cleanup.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Krishna Gudipati 2012-09-21 17:25:30 -07:00 committed by James Bottomley
parent b480a32e69
commit 1306e31d41
3 changed files with 15 additions and 8 deletions
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18
drivers/scsi/bfa/bfa_fcpim.c
View file

@ -158,6 +158,7 @@ enum bfa_tskim_event {
BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */
BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */
BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */
BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */
};
/*
@ -3036,7 +3037,7 @@ bfa_ioim_abort(struct bfa_ioim_s *ioim)
static void
bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_START:
@ -3074,7 +3075,7 @@ bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
static void
bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_DONE:
@ -3110,7 +3111,7 @@ bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
static void
bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_DONE:
@ -3119,6 +3120,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
*/
break;
case BFA_TSKIM_SM_UTAG:
case BFA_TSKIM_SM_CLEANUP_DONE:
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
bfa_tskim_cleanup_ios(tskim);
@ -3138,7 +3140,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
static void
bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_IOS_DONE:
@ -3170,7 +3172,7 @@ bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
static void
bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_QRESUME:
@ -3207,7 +3209,7 @@ static void
bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_DONE:
@ -3238,7 +3240,7 @@ bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
static void
bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
switch (event) {
case BFA_TSKIM_SM_HCB:
@ -3560,6 +3562,8 @@ bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) {
bfa_stats(tskim->itnim, tm_cleanup_comps);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE);
} else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) {
bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG);
} else {
bfa_stats(tskim->itnim, tm_fw_rsps);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE);

4
drivers/scsi/bfa/bfa_fcpim.h
View file

@ -51,7 +51,9 @@ void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw);
#define BFA_ITN_FROM_TAG(_fcp, _tag) \
((_fcp)->itn_arr + ((_tag) & ((_fcp)->num_itns - 1)))
#define BFA_SNSINFO_FROM_TAG(_fcp, _tag) \
bfa_mem_get_dmabuf_kva(_fcp, _tag, BFI_IOIM_SNSLEN)
bfa_mem_get_dmabuf_kva(_fcp, (_tag & BFA_IOIM_IOTAG_MASK), \
BFI_IOIM_SNSLEN)
#define BFA_ITNIM_MIN 32
#define BFA_ITNIM_MAX 1024

1
drivers/scsi/bfa/bfi_ms.h
View file

@ -840,6 +840,7 @@ enum bfi_tskim_status {
*/
BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */
BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */
BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */
};
struct bfi_tskim_rsp_s {