VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)
[linux-2.6.git] / drivers / s390 / block / dasd_3990_erp.c
index e90c1c9..680f2e4 100644 (file)
@@ -5,7 +5,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001
  *
- * $Revision: 1.30 $
+ * $Revision: 1.33 $
  */
 
 #include <linux/timer.h>
@@ -301,15 +301,15 @@ dasd_3990_erp_alternate_path(struct dasd_ccw_req * erp)
        opm = ccw_device_get_path_mask(device->cdev);
        //FIXME: start with get_opm ?
        if (erp->lpm == 0)
-               erp->lpm = LPM_ANYPATH & ~(erp->dstat->esw.esw0.sublog.lpum);
+               erp->lpm = LPM_ANYPATH & ~(erp->irb.esw.esw0.sublog.lpum);
        else
-               erp->lpm &= ~(erp->dstat->esw.esw0.sublog.lpum);
+               erp->lpm &= ~(erp->irb.esw.esw0.sublog.lpum);
 
        if ((erp->lpm & opm) != 0x00) {
 
                DEV_MESSAGE(KERN_DEBUG, device,
                            "try alternate lpm=%x (lpum=%x / opm=%x)",
-                           erp->lpm, erp->dstat->esw.esw0.sublog.lpum, opm);
+                           erp->lpm, erp->irb.esw.esw0.sublog.lpum, opm);
 
                /* reset status to queued to handle the request again... */
                if (erp->status > DASD_CQR_QUEUED)
@@ -319,7 +319,7 @@ dasd_3990_erp_alternate_path(struct dasd_ccw_req * erp)
                DEV_MESSAGE(KERN_ERR, device,
                            "No alternate channel path left (lpum=%x / "
                            "opm=%x) -> permanent error",
-                           erp->dstat->esw.esw0.sublog.lpum, opm);
+                           erp->irb.esw.esw0.sublog.lpum, opm);
 
                /* post request with permanent error */
                if (erp->status > DASD_CQR_QUEUED)
@@ -443,6 +443,10 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
        /* interrupt (this enables easier enqueing of the cqr)      */
        if (erp->function != dasd_3990_erp_action_4) {
 
+               DEV_MESSAGE(KERN_INFO, device,
+                           "dasd_3990_erp_action_4: first time retry"
+                           "%s", " ");
+
                erp->retries = 256;
                erp->function = dasd_3990_erp_action_4;
 
@@ -1677,7 +1681,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 
        /* determine the address of the CCW to be restarted */
        /* Imprecise ending is not set -> addr from IRB-SCSW */
-       cpa = default_erp->refers->dstat->scsw.cpa;
+       cpa = default_erp->refers->irb.scsw.cpa;
 
        if (cpa == 0) {
 
@@ -1763,7 +1767,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
        erp->magic = default_erp->magic;
        erp->expires = 0;
        erp->retries = 256;
-       cqr->buildclk = get_clock();
+       erp->buildclk = get_clock();
        erp->status = DASD_CQR_FILLED;
 
        /* remove the default erp */
@@ -1823,7 +1827,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 
        /* determine the address of the CCW to be restarted */
        /* Imprecise ending is not set -> addr from IRB-SCSW */
-       cpa = previous_erp->dstat->scsw.cpa;
+       cpa = previous_erp->irb.scsw.cpa;
 
        if (cpa == 0) {
 
@@ -2233,7 +2237,7 @@ dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
        struct dasd_ccw_req *erp_new = NULL;
        /* sense data are located in the refers record of the */
        /* already set up new ERP !                           */
-       char *sense = erp->refers->dstat->ecw;
+       char *sense = erp->refers->irb.ecw;
 
        /* distinguish between 24 and 32 byte sense data */
        if (sense[27] & DASD_SENSE_BIT_0) {
@@ -2306,6 +2310,7 @@ dasd_3990_erp_add_erp(struct dasd_ccw_req * cqr)
        erp->magic    = cqr->magic;
        erp->expires  = 0;
        erp->retries  = 256;
+       erp->buildclk = get_clock();
 
        erp->status = DASD_CQR_FILLED;
 
@@ -2369,14 +2374,14 @@ dasd_3990_erp_error_match(struct dasd_ccw_req *cqr1, struct dasd_ccw_req *cqr2)
 {
 
        /* check failed CCW */
-       if (cqr1->dstat->scsw.cpa != cqr2->dstat->scsw.cpa) {
+       if (cqr1->irb.scsw.cpa != cqr2->irb.scsw.cpa) {
                //      return 0;       /* CCW doesn't match */
        }
 
        /* check sense data; byte 0-2,25,27 */
-       if (!((memcmp (cqr1->dstat->ecw, cqr2->dstat->ecw, 3) == 0) &&
-             (cqr1->dstat->ecw[27] == cqr2->dstat->ecw[27]) &&
-             (cqr1->dstat->ecw[25] == cqr2->dstat->ecw[25]))) {
+       if (!((memcmp (cqr1->irb.ecw, cqr2->irb.ecw, 3) == 0) &&
+             (cqr1->irb.ecw[27] == cqr2->irb.ecw[27]) &&
+             (cqr1->irb.ecw[25] == cqr2->irb.ecw[25]))) {
 
                return 0;       /* sense doesn't match */
        }
@@ -2449,7 +2454,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
 {
 
        struct dasd_device *device = erp->device;
-       char *sense = erp->dstat->ecw;
+       char *sense = erp->irb.ecw;
 
        /* check for 24 byte sense ERP */
        if ((erp->function == dasd_3990_erp_bus_out) ||
@@ -2562,7 +2567,7 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head,
 
        if (erp->retries > 0) {
 
-               char *sense = erp->refers->dstat->ecw;
+               char *sense = erp->refers->irb.ecw;
 
                /* check for special retries */
                if (erp->function == dasd_3990_erp_action_4) {
@@ -2620,7 +2625,7 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 
        struct dasd_ccw_req *erp = NULL;
        struct dasd_device *device = cqr->device;
-       __u32 cpa = cqr->dstat->scsw.cpa;
+       __u32 cpa = cqr->irb.scsw.cpa;
 
 #ifdef ERP_DEBUG
        /* print current erp_chain */
@@ -2641,8 +2646,8 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 #endif                         /* ERP_DEBUG */
 
        /* double-check if current erp/cqr was successfull */
-       if ((cqr->dstat->scsw.cstat == 0x00) &&
-           (cqr->dstat->scsw.dstat == (DEV_STAT_CHN_END|DEV_STAT_DEV_END))) {
+       if ((cqr->irb.scsw.cstat == 0x00) &&
+           (cqr->irb.scsw.dstat == (DEV_STAT_CHN_END|DEV_STAT_DEV_END))) {
 
                DEV_MESSAGE(KERN_DEBUG, device,
                            "ERP called for successful request %p"
@@ -2653,7 +2658,7 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
                return cqr;
        }
        /* check if sense data are available */
-       if (!cqr->dstat->ecw) {
+       if (!cqr->irb.ecw) {
                DEV_MESSAGE(KERN_DEBUG, device,
                            "ERP called witout sense data avail ..."
                            "request %p - NO ERP possible", cqr);