s390/dasd: use new address translation helpers

Use virt_to_dma32() and friends to properly convert virtual to physical and
physical to virtual addresses so that "make C=1" does not generate any
warnings anymore.
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

drivers/s390/block/dasd.c

@@ -3976,7 +3976,7 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 
 	ccw = cqr->cpaddr;
 	ccw->cmd_code = CCW_CMD_RDC;
-	ccw->cda = (__u32)virt_to_phys(cqr->data);
+	ccw->cda = virt_to_dma32(cqr->data);
 	ccw->flags = 0;
 	ccw->count = rdc_buffer_size;
 	cqr->startdev = device;
@@ -4020,7 +4020,7 @@ char *dasd_get_sense(struct irb *irb)
 
 	if (scsw_is_tm(&irb->scsw) && (irb->scsw.tm.fcxs == 0x01)) {
 		if (irb->scsw.tm.tcw)
-			tsb = tcw_get_tsb(phys_to_virt(irb->scsw.tm.tcw));
+			tsb = tcw_get_tsb(dma32_to_virt(irb->scsw.tm.tcw));
 		if (tsb && tsb->length == 64 && tsb->flags)
 			switch (tsb->flags & 0x07) {
 			case 1:	/* tsa_iostat */

drivers/s390/block/dasd_3990_erp.c

@@ -216,7 +216,7 @@ dasd_3990_erp_DCTL(struct dasd_ccw_req * erp, char modifier)
 	memset(ccw, 0, sizeof(struct ccw1));
 	ccw->cmd_code = CCW_CMD_DCTL;
 	ccw->count = 4;
-	ccw->cda = (__u32)virt_to_phys(DCTL_data);
+	ccw->cda = virt_to_dma32(DCTL_data);
 	dctl_cqr->flags = erp->flags;
 	dctl_cqr->function = dasd_3990_erp_DCTL;
 	dctl_cqr->refers = erp;
@@ -1589,7 +1589,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 {
 
 	struct dasd_device *device = default_erp->startdev;
-	__u32 cpa = 0;
+	dma32_t cpa = 0;
 	struct dasd_ccw_req *cqr;
 	struct dasd_ccw_req *erp;
 	struct DE_eckd_data *DE_data;
@@ -1693,7 +1693,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	ccw->cmd_code = DASD_ECKD_CCW_DEFINE_EXTENT;
 	ccw->flags = CCW_FLAG_CC;
 	ccw->count = 16;
-	ccw->cda = (__u32)virt_to_phys(DE_data);
+	ccw->cda = virt_to_dma32(DE_data);
 
 	/* create LO ccw */
 	ccw++;
@@ -1701,7 +1701,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	ccw->cmd_code = DASD_ECKD_CCW_LOCATE_RECORD;
 	ccw->flags = CCW_FLAG_CC;
 	ccw->count = 16;
-	ccw->cda = (__u32)virt_to_phys(LO_data);
+	ccw->cda = virt_to_dma32(LO_data);
 
 	/* TIC to the failed ccw */
 	ccw++;
@@ -1747,7 +1747,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 {
 
 	struct dasd_device *device = previous_erp->startdev;
-	__u32 cpa = 0;
+	dma32_t cpa = 0;
 	struct dasd_ccw_req *cqr;
 	struct dasd_ccw_req *erp;
 	char *LO_data;		/* struct LO_eckd_data */
@@ -2386,7 +2386,7 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 		tcw = erp->cpaddr;
 		tsb = (struct tsb *) &tcw[1];
 		*tcw = *((struct tcw *)cqr->cpaddr);
-		tcw->tsb = virt_to_phys(tsb);
+		tcw->tsb = virt_to_dma64(tsb);
 	} else if (ccw->cmd_code == DASD_ECKD_CCW_PSF) {
 		/* PSF cannot be chained from NOOP/TIC */
 		erp->cpaddr = cqr->cpaddr;
@@ -2397,7 +2397,7 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 		ccw->flags = CCW_FLAG_CC;
 		ccw++;
 		ccw->cmd_code = CCW_CMD_TIC;
-		ccw->cda      = (__u32)virt_to_phys(cqr->cpaddr);
+		ccw->cda      = virt_to_dma32(cqr->cpaddr);
 	}
 
 	erp->flags = cqr->flags;

drivers/s390/block/dasd_alias.c

@@ -435,7 +435,7 @@ static int read_unit_address_configuration(struct dasd_device *device,
 	ccw->cmd_code = DASD_ECKD_CCW_PSF;
 	ccw->count = sizeof(struct dasd_psf_prssd_data);
 	ccw->flags |= CCW_FLAG_CC;
-	ccw->cda = (__u32)virt_to_phys(prssdp);
+	ccw->cda = virt_to_dma32(prssdp);
 
 	/* Read Subsystem Data - feature codes */
 	memset(lcu->uac, 0, sizeof(*(lcu->uac)));
@@ -443,7 +443,7 @@ static int read_unit_address_configuration(struct dasd_device *device,
 	ccw++;
 	ccw->cmd_code = DASD_ECKD_CCW_RSSD;
 	ccw->count = sizeof(*(lcu->uac));
-	ccw->cda = (__u32)virt_to_phys(lcu->uac);
+	ccw->cda = virt_to_dma32(lcu->uac);
 
 	cqr->buildclk = get_tod_clock();
 	cqr->status = DASD_CQR_FILLED;
@@ -739,7 +739,7 @@ static int reset_summary_unit_check(struct alias_lcu *lcu,
 	ccw->cmd_code = DASD_ECKD_CCW_RSCK;
 	ccw->flags = CCW_FLAG_SLI;
 	ccw->count = 16;
-	ccw->cda = (__u32)virt_to_phys(cqr->data);
+	ccw->cda = virt_to_dma32(cqr->data);
 	((char *)cqr->data)[0] = reason;
 
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);

drivers/s390/block/dasd_eer.c

@@ -485,7 +485,7 @@ int dasd_eer_enable(struct dasd_device *device)
 	ccw->cmd_code = DASD_ECKD_CCW_SNSS;
 	ccw->count = SNSS_DATA_SIZE;
 	ccw->flags = 0;
-	ccw->cda = (__u32)virt_to_phys(cqr->data);
+	ccw->cda = virt_to_dma32(cqr->data);
 
 	cqr->buildclk = get_tod_clock();
 	cqr->status = DASD_CQR_FILLED;

drivers/s390/block/dasd_fba.c

@@ -78,7 +78,7 @@ define_extent(struct ccw1 * ccw, struct DE_fba_data *data, int rw,
 	ccw->cmd_code = DASD_FBA_CCW_DEFINE_EXTENT;
 	ccw->flags = 0;
 	ccw->count = 16;
-	ccw->cda = (__u32)virt_to_phys(data);
+	ccw->cda = virt_to_dma32(data);
 	memset(data, 0, sizeof (struct DE_fba_data));
 	if (rw == WRITE)
 		(data->mask).perm = 0x0;
@@ -98,7 +98,7 @@ locate_record(struct ccw1 * ccw, struct LO_fba_data *data, int rw,
 	ccw->cmd_code = DASD_FBA_CCW_LOCATE;
 	ccw->flags = 0;
 	ccw->count = 8;
-	ccw->cda = (__u32)virt_to_phys(data);
+	ccw->cda = virt_to_dma32(data);
 	memset(data, 0, sizeof (struct LO_fba_data));
 	if (rw == WRITE)
 		data->operation.cmd = 0x5;
@@ -257,7 +257,7 @@ static void ccw_write_zero(struct ccw1 *ccw, int count)
 	ccw->cmd_code = DASD_FBA_CCW_WRITE;
 	ccw->flags |= CCW_FLAG_SLI;
 	ccw->count = count;
-	ccw->cda = (__u32)virt_to_phys(dasd_fba_zero_page);
+	ccw->cda = virt_to_dma32(dasd_fba_zero_page);
 }
 
 /*
@@ -523,11 +523,11 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular(
 			ccw->cmd_code = cmd;
 			ccw->count = block->bp_block;
 			if (idal_is_needed(dst, blksize)) {
-				ccw->cda = (__u32)virt_to_phys(idaws);
+				ccw->cda = virt_to_dma32(idaws);
 				ccw->flags = CCW_FLAG_IDA;
 				idaws = idal_create_words(idaws, dst, blksize);
 			} else {
-				ccw->cda = (__u32)virt_to_phys(dst);
+				ccw->cda = virt_to_dma32(dst);
 				ccw->flags = 0;
 			}
 			ccw++;
@@ -585,9 +585,9 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req)
 				ccw++;
 			if (dst) {
 				if (ccw->flags & CCW_FLAG_IDA)
-					cda = *((char **)phys_to_virt(ccw->cda));
+					cda = *((char **)dma32_to_virt(ccw->cda));
 				else
-					cda = phys_to_virt(ccw->cda);
+					cda = dma32_to_virt(ccw->cda);
 				if (dst != cda) {
 					if (rq_data_dir(req) == READ)
 						memcpy(dst, cda, bv.bv_len);
@@ -672,7 +672,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 	len += sprintf(page + len, "in req: %px CS: 0x%02X DS: 0x%02X\n",
 		       req, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
 	len += sprintf(page + len, "Failing CCW: %px\n",
-		       (void *) (addr_t) irb->scsw.cmd.cpa);
+		       (void *)(u64)dma32_to_u32(irb->scsw.cmd.cpa));
 	if (irb->esw.esw0.erw.cons) {
 		for (sl = 0; sl < 4; sl++) {
 			len += sprintf(page + len, "Sense(hex) %2d-%2d:",
@@ -701,7 +701,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		for (count = 0; count < 32 && count < act->count;
 		     count += sizeof(int))
 			len += sprintf(page + len, " %08X",
-				       ((int *)phys_to_virt(act->cda))
+				       ((int *)dma32_to_virt(act->cda))
 				       [(count>>2)]);
 		len += sprintf(page + len, "\n");
 		act++;
@@ -710,18 +710,18 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 
 	/* print failing CCW area */
 	len = 0;
-	if (act < ((struct ccw1 *)phys_to_virt(irb->scsw.cmd.cpa)) - 2) {
-		act = ((struct ccw1 *)phys_to_virt(irb->scsw.cmd.cpa)) - 2;
+	if (act < ((struct ccw1 *)dma32_to_virt(irb->scsw.cmd.cpa)) - 2) {
+		act = ((struct ccw1 *)dma32_to_virt(irb->scsw.cmd.cpa)) - 2;
 		len += sprintf(page + len, "......\n");
 	}
-	end = min((struct ccw1 *)phys_to_virt(irb->scsw.cmd.cpa) + 2, last);
+	end = min((struct ccw1 *)dma32_to_virt(irb->scsw.cmd.cpa) + 2, last);
 	while (act <= end) {
 		len += sprintf(page + len, "CCW %px: %08X %08X DAT:",
 			       act, ((int *) act)[0], ((int *) act)[1]);
 		for (count = 0; count < 32 && count < act->count;
 		     count += sizeof(int))
 			len += sprintf(page + len, " %08X",
-				       ((int *)phys_to_virt(act->cda))
+				       ((int *)dma32_to_virt(act->cda))
 				       [(count>>2)]);
 		len += sprintf(page + len, "\n");
 		act++;
@@ -738,7 +738,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		for (count = 0; count < 32 && count < act->count;
 		     count += sizeof(int))
 			len += sprintf(page + len, " %08X",
-				       ((int *)phys_to_virt(act->cda))
+				       ((int *)dma32_to_virt(act->cda))
 				       [(count>>2)]);
 		len += sprintf(page + len, "\n");
 		act++;