[SCSI] bfa: add dynamic queue selection
Add new bfa functionality to support dynamic queue selection (IO redirection).
IO redirection can only be enabled when QoS is disabled.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c
index 687f3d6..680b87d 100644
--- a/drivers/scsi/bfa/bfa_ioim.c
+++ b/drivers/scsi/bfa/bfa_ioim.c
@@ -234,8 +234,8 @@
bfa_sm_set_state(ioim, bfa_ioim_sm_abort);
else {
bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull);
- bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq,
- &ioim->iosp->reqq_wait);
+ bfa_reqq_wait(ioim->bfa, ioim->reqq,
+ &ioim->iosp->reqq_wait);
}
break;
@@ -247,8 +247,8 @@
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
else {
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
- bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq,
- &ioim->iosp->reqq_wait);
+ bfa_reqq_wait(ioim->bfa, ioim->reqq,
+ &ioim->iosp->reqq_wait);
}
break;
@@ -305,7 +305,7 @@
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
else {
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
- bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq,
+ bfa_reqq_wait(ioim->bfa, ioim->reqq,
&ioim->iosp->reqq_wait);
}
break;
@@ -738,9 +738,9 @@
/**
* check for room in queue to send request now
*/
- m = bfa_reqq_next(ioim->bfa, itnim->reqq);
+ m = bfa_reqq_next(ioim->bfa, ioim->reqq);
if (!m) {
- bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq,
+ bfa_reqq_wait(ioim->bfa, ioim->reqq,
&ioim->iosp->reqq_wait);
return BFA_FALSE;
}
@@ -832,7 +832,7 @@
/**
* queue I/O message to firmware
*/
- bfa_reqq_produce(ioim->bfa, itnim->reqq);
+ bfa_reqq_produce(ioim->bfa, ioim->reqq);
return BFA_TRUE;
}
@@ -930,14 +930,13 @@
static bfa_boolean_t
bfa_ioim_send_abort(struct bfa_ioim_s *ioim)
{
- struct bfa_itnim_s *itnim = ioim->itnim;
struct bfi_ioim_abort_req_s *m;
enum bfi_ioim_h2i msgop;
/**
* check for room in queue to send request now
*/
- m = bfa_reqq_next(ioim->bfa, itnim->reqq);
+ m = bfa_reqq_next(ioim->bfa, ioim->reqq);
if (!m)
return BFA_FALSE;
@@ -956,7 +955,7 @@
/**
* queue I/O message to firmware
*/
- bfa_reqq_produce(ioim->bfa, itnim->reqq);
+ bfa_reqq_produce(ioim->bfa, ioim->reqq);
return BFA_TRUE;
}
@@ -1306,6 +1305,14 @@
bfa_ioim_start(struct bfa_ioim_s *ioim)
{
bfa_trc_fp(ioim->bfa, ioim->iotag);
+
+ /**
+ * Obtain the queue over which this request has to be issued
+ */
+ ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ?
+ bfa_cb_ioim_get_reqq(ioim->dio) :
+ bfa_itnim_get_reqq(ioim);
+
bfa_sm_send_event(ioim, BFA_IOIM_SM_START);
}