mirrors/scst
1
0
Fork 0
mirror of https://github.com/SCST-project/scst.git synced 2026-05-22 05:01:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

We need only 2 debug level, one for error situations, second for normal

Browse Source 
data flow. Print only in debug mode about sense buffer cutting.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@330 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Stanislaw Gruszka
2008-04-04 12:18:00 +00:00
parent 5523441b4b
commit 94eeba176d
1 changed files with 13 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
qla_isp/linux/isp_scst.c
View File

@@ -172,7 +172,6 @@ struct bus {
#define SDprintk if (debug) printk
#define SDprintk2 if (debug > 1) printk
#define SDprintk3 if (debug > 2) printk
static int debug = 0;
@@ -319,6 +318,8 @@ alloc_ini(bus_chan_t *bc, uint64_t iid)
ini_t *nptr;
char ini_name[24];
SDprintk("scsi_target: alloc initiator 0x%016llx\n", iid);
nptr = kmalloc(sizeof(ini_t), GFP_KERNEL);
if (!nptr) {
Eprintk("cannot allocate initiator data\n");
@@ -512,6 +513,8 @@ bus_chan_add_initiators(bus_t *bp, int chan)
tmd_cmd_t *prev_tmd = NULL;
tmd_xact_t *xact;
SDprintk("scsi_target: searching new initiators for %s%d Chan %d\n", bp->h.r_name, bp->h.r_inst, chan);
/* iterate over queue and find any commands not assigned to initiator */
spin_lock_irq(&bc->tmds_lock);
tmd = bc->tmds_front;
@@ -600,7 +603,7 @@ scsi_target_done_cmd(tmd_cmd_t *tmd, int from_intr)
scst_cmd = tmd->cd_scst_cmd;
if (!scst_cmd) {
/* command returned by us with status BUSY */
SDprintk("%s: TMD_FIN[%llx]\n", __FUNCTION__, tmd->cd_tagval);
SDprintk("%s: BUSY TMD_FIN[%llx]\n", __FUNCTION__, tmd->cd_tagval);
(*bp->h.r_action)(QIN_TMD_FIN, tmd);
return;
}
@@ -821,7 +824,6 @@ scsi_target_handler(qact_e action, void *arg)
{
tmd_cmd_t *tmd = arg;
SDprintk2("scsi_target: TMD_START[%llx] %p cdb0=%x\n", tmd->cd_tagval, tmd, tmd->cd_cdb[0] & 0xff);
tmd->cd_xact.td_cmd = tmd;
scsi_target_start_cmd(arg, 1);
break;
@@ -830,15 +832,13 @@ scsi_target_handler(qact_e action, void *arg)
{
tmd_xact_t *xact = arg;
tmd_cmd_t *tmd = xact->td_cmd;
SDprintk2("scsi_target: TMD_DONE[%llx] %p cdb0=%x\n", tmd->cd_tagval, tmd, tmd->cd_cdb[0] & 0xff);
scsi_target_done_cmd(tmd, 1);
break;
}
case QOUT_NOTIFY:
{
tmd_notify_t *np = arg;
SDprintk2("scsi_target: TMD_NOTIFY %p code=0x%x\n", np, np->nt_ncode);
SDprintk("scsi_target: TMD_NOTIFY %p code=0x%x\n", np, np->nt_ncode);
scsi_target_notify(np);
break;
}
@@ -885,9 +885,9 @@ scsi_target_thread(void *arg)
SDprintk("scsi_target_thread starting\n");
while (scsi_target_thread_exit == 0) {
SDprintk3("scsi_task_thread sleeping\n");
SDprintk2("scsi_task_thread sleeping\n");
down(&scsi_thread_sleep_semaphore);
SDprintk3("scsi_task_thread running\n");
SDprintk2("scsi_task_thread running\n");
if (test_and_clear_bit(SF_REGISTER_SCST, &schedule_flags)) {
register_scst();
@@ -979,7 +979,7 @@ isp_rdy_to_xfer(struct scst_cmd *scst_cmd)
xact->td_hflags |= TDFH_DATA_OUT;
xact->td_data = scst_cmd_get_sg(scst_cmd);
xact->td_xfrlen = scst_cmd_get_bufflen(scst_cmd);
SDprintk("%s: write nbytes %u\n", __FUNCTION__, scst_cmd_get_bufflen(scst_cmd));
SDprintk2("%s: write nbytes %u\n", __FUNCTION__, scst_cmd_get_bufflen(scst_cmd));
bp = tmd->cd_bus;
(*bp->h.r_action)(QIN_TMD_CONT, xact);
@@ -1028,24 +1028,22 @@ isp_xmit_response(struct scst_cmd *scst_cmd)
tmd->cd_scsi_status = scst_cmd_get_status(scst_cmd);
if (tmd->cd_scsi_status == SCSI_CHECK) {
int prt = 0;
uint8_t *sbuf = scst_cmd_get_sense_buffer(scst_cmd);
unsigned int slen = scst_cmd_get_sense_buffer_len(scst_cmd);
if (unlikely(slen > TMD_SENSELEN)) {
/* 18 bytes sense code not cover vendor specific sense data,
* we can't send more than 18 bytes through low level driver,
* so print error on this very unlikely situation */
Eprintk("sense data too big (totlen %u len %u)\n", TMD_SENSELEN, slen);
SDprintk("sense data too big (totlen %u len %u)\n", TMD_SENSELEN, slen);
slen = TMD_SENSELEN;
prt = 1;
}
memcpy(tmd->cd_sense, sbuf, slen);
if (unlikely(prt || debug)) {
if (unlikely(debug > 0)) {
uint8_t key, asc, ascq;
key = (slen >= 2) ? sbuf[2] : 0;
asc = (slen >= 12) ? sbuf[12] : 0;
ascq = (slen >= 13) ? sbuf[13] : 0;
Eprintk("sense code: key 0x%02x asc 0x%02x ascq 0x%02x\n", key, asc, ascq);
SDprintk("sense code: key 0x%02x asc 0x%02x ascq 0x%02x\n", key, asc, ascq);
}
}
SDprintk2("%s: status %d\n", __FUNCTION__, scst_cmd_get_status(scst_cmd));
@@ -1070,7 +1068,7 @@ isp_on_free_cmd(struct scst_cmd *scst_cmd)
tmd_xact_t *xact = &tmd->cd_xact;
xact->td_data = NULL;
SDprintk("%s: TMD_FIN[%llx]\n", __FUNCTION__, tmd->cd_tagval);
SDprintk2("%s: TMD_FIN[%llx]\n", __FUNCTION__, tmd->cd_tagval);
(*bp->h.r_action)(QIN_TMD_FIN, tmd);
}