if (cqr == NULL)
return ERR_PTR(-ENOMEM);
memset(cqr, 0, sizeof(struct dasd_ccw_req));
+ INIT_LIST_HEAD(&cqr->devlist);
+ INIT_LIST_HEAD(&cqr->blocklist);
data = (char *) cqr + ((sizeof(struct dasd_ccw_req) + 7L) & -8L);
cqr->cpaddr = NULL;
if (cplength > 0) {
}
void
-dasd_free_erp_request(struct dasd_ccw_req * cqr, struct dasd_device * device)
+dasd_free_erp_request(struct dasd_ccw_req *cqr, struct dasd_device * device)
{
unsigned long flags;
* dasd_default_erp_action just retries the current cqr
*/
struct dasd_ccw_req *
-dasd_default_erp_action(struct dasd_ccw_req * cqr)
+dasd_default_erp_action(struct dasd_ccw_req *cqr)
{
struct dasd_device *device;
- device = cqr->device;
+ device = cqr->startdev;
/* just retry - there is nothing to save ... I got no sense data.... */
if (cqr->retries > 0) {
"default ERP called (%i retries left)",
cqr->retries);
cqr->lpm = LPM_ANYPATH;
- cqr->status = DASD_CQR_QUEUED;
+ cqr->status = DASD_CQR_FILLED;
} else {
DEV_MESSAGE (KERN_WARNING, device, "%s",
"default ERP called (NO retry left)");
cqr->status = DASD_CQR_FAILED;
- cqr->stopclk = get_clock ();
+ cqr->stopclk = get_clock();
}
return cqr;
} /* end dasd_default_erp_action */
* RETURN VALUES
* cqr pointer to the original CQR
*/
-struct dasd_ccw_req *
-dasd_default_erp_postaction(struct dasd_ccw_req * cqr)
+struct dasd_ccw_req *dasd_default_erp_postaction(struct dasd_ccw_req *cqr)
{
- struct dasd_device *device;
int success;
BUG_ON(cqr->refers == NULL || cqr->function == NULL);
- device = cqr->device;
success = cqr->status == DASD_CQR_DONE;
/* free all ERPs - but NOT the original cqr */
struct dasd_ccw_req *refers;
refers = cqr->refers;
- /* remove the request from the device queue */
- list_del(&cqr->list);
+ /* remove the request from the block queue */
+ list_del(&cqr->blocklist);
/* free the finished erp request */
- dasd_free_erp_request(cqr, device);
+ dasd_free_erp_request(cqr, cqr->memdev);
cqr = refers;
}
} /* end default_erp_postaction */
-/*
- * Print the hex dump of the memory used by a request. This includes
- * all error recovery ccws that have been chained in from of the
- * real request.
- */
-static inline void
-hex_dump_memory(struct dasd_device *device, void *data, int len)
-{
- int *pint;
-
- pint = (int *) data;
- while (len > 0) {
- DEV_MESSAGE(KERN_ERR, device, "%p: %08x %08x %08x %08x",
- pint, pint[0], pint[1], pint[2], pint[3]);
- pint += 4;
- len -= 16;
- }
-}
-
void
dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
{
struct dasd_device *device;
- device = cqr->device;
+ device = cqr->startdev;
/* dump sense data */
if (device->discipline && device->discipline->dump_sense)
device->discipline->dump_sense(device, cqr, irb);
}
-void
-dasd_log_ccw(struct dasd_ccw_req * cqr, int caller, __u32 cpa)
-{
- struct dasd_device *device;
- struct dasd_ccw_req *lcqr;
- struct ccw1 *ccw;
- int cplength;
-
- device = cqr->device;
- /* log the channel program */
- for (lcqr = cqr; lcqr != NULL; lcqr = lcqr->refers) {
- DEV_MESSAGE(KERN_ERR, device,
- "(%s) ERP chain report for req: %p",
- caller == 0 ? "EXAMINE" : "ACTION", lcqr);
- hex_dump_memory(device, lcqr, sizeof(struct dasd_ccw_req));
-
- cplength = 1;
- ccw = lcqr->cpaddr;
- while (ccw++->flags & (CCW_FLAG_DC | CCW_FLAG_CC))
- cplength++;
-
- if (cplength > 40) { /* log only parts of the CP */
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "Start of channel program:");
- hex_dump_memory(device, lcqr->cpaddr,
- 40*sizeof(struct ccw1));
-
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "End of channel program:");
- hex_dump_memory(device, lcqr->cpaddr + cplength - 10,
- 10*sizeof(struct ccw1));
- } else { /* log the whole CP */
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "Channel program (complete):");
- hex_dump_memory(device, lcqr->cpaddr,
- cplength*sizeof(struct ccw1));
- }
-
- if (lcqr != cqr)
- continue;
-
- /*
- * Log bytes arround failed CCW but only if we did
- * not log the whole CP of the CCW is outside the
- * logged CP.
- */
- if (cplength > 40 ||
- ((addr_t) cpa < (addr_t) lcqr->cpaddr &&
- (addr_t) cpa > (addr_t) (lcqr->cpaddr + cplength + 4))) {
-
- DEV_MESSAGE(KERN_ERR, device,
- "Failed CCW (%p) (area):",
- (void *) (long) cpa);
- hex_dump_memory(device, cqr->cpaddr - 10,
- 20*sizeof(struct ccw1));
- }
- }
-
-} /* end log_erp_chain */
-
EXPORT_SYMBOL(dasd_default_erp_action);
EXPORT_SYMBOL(dasd_default_erp_postaction);
EXPORT_SYMBOL(dasd_alloc_erp_request);
EXPORT_SYMBOL(dasd_free_erp_request);
EXPORT_SYMBOL(dasd_log_sense);
-EXPORT_SYMBOL(dasd_log_ccw);
git.openpandora.org / pandora-kernel.git / blobdiff