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[SCSI] zfcp: Add information about interrupt to trace. 

Store the index of the buffer in the inbound queue used to report
request completion in trace record for request coompletion.
This piece of information allows to better compare qdio and zfcp traces.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
hifive-unleashed-5.1
Martin Peschke 2008-05-19 12:17:44 +02:00 committed by James Bottomley
parent e891bffe92
commit c3baa9a26c
4 changed files with 7 additions and 2 deletions
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2
drivers/s390/scsi/zfcp_dbf.c
View File

@ -187,6 +187,7 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
response->fsf_req_status = fsf_req->status;
response->sbal_first = fsf_req->sbal_first;
response->sbal_last = fsf_req->sbal_last;
response->sbal_response = fsf_req->sbal_response;
response->pool = fsf_req->pool != NULL;
response->erp_action = (unsigned long)fsf_req->erp_action;
@ -355,6 +356,7 @@ static void zfcp_hba_dbf_view_response(char **p,
zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
zfcp_dbf_out(p, "sbal_response", "0x%02x", r->sbal_response);
zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
switch (r->fsf_command) {

1
drivers/s390/scsi/zfcp_dbf.h
View File

@ -98,6 +98,7 @@ struct zfcp_hba_dbf_record_response {
u32 fsf_req_status;
u8 sbal_first;
u8 sbal_last;
u8 sbal_response;
u8 pool;
u64 erp_action;
union {

1
drivers/s390/scsi/zfcp_def.h
View File

@ -856,6 +856,7 @@ struct zfcp_fsf_req {
this reuest */
u8 sbale_curr; /* current SBALE during creation
of request */
u8 sbal_response; /* SBAL used in interrupt */
wait_queue_head_t completion_wq; /* can be used by a routine
to wait for completion */
volatile u32 status; /* status of this request */

5
drivers/s390/scsi/zfcp_qdio.c
View File

@ -235,7 +235,7 @@ zfcp_qdio_request_handler(struct ccw_device *ccw_device,
* zfcp_qdio_reqid_check - checks for valid reqids.
*/
static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
unsigned long req_id)
unsigned long req_id, int sbal)
{
struct zfcp_fsf_req *fsf_req;
unsigned long flags;
@ -255,6 +255,7 @@ static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
atomic_dec(&adapter->reqs_active);
spin_unlock_irqrestore(&adapter->req_list_lock, flags);
fsf_req->sbal_response = sbal;
/* finish the FSF request */
zfcp_fsf_req_complete(fsf_req);
}
@ -321,7 +322,7 @@ zfcp_qdio_response_handler(struct ccw_device *ccw_device,
/* look for QDIO request identifiers in SB */
buffere = &buffer->element[buffere_index];
zfcp_qdio_reqid_check(adapter,
(unsigned long) buffere->addr);
(unsigned long) buffere->addr, i);
/*
* A single used SBALE per inbound SBALE has been