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-rw-r--r--drivers/s390/block/dasd.c139
-rw-r--r--drivers/s390/block/dasd_3990_erp.c94
-rw-r--r--drivers/s390/block/dasd_alias.c14
-rw-r--r--drivers/s390/block/dasd_devmap.c34
-rw-r--r--drivers/s390/block/dasd_diag.c26
-rw-r--r--drivers/s390/block/dasd_eckd.c304
-rw-r--r--drivers/s390/block/dasd_eer.c9
-rw-r--r--drivers/s390/block/dasd_erp.c9
-rw-r--r--drivers/s390/block/dasd_fba.c120
-rw-r--r--drivers/s390/block/dasd_genhd.c54
-rw-r--r--drivers/s390/block/dasd_int.h37
-rw-r--r--drivers/s390/block/dasd_ioctl.c8
-rw-r--r--drivers/s390/block/dasd_proc.c5
-rw-r--r--drivers/s390/block/dcssblk.c23
-rw-r--r--drivers/s390/block/scm_blk.c23
15 files changed, 339 insertions, 560 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 30851faade..0a97cfedd7 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -27,9 +27,6 @@
#include <asm/itcw.h>
#include <asm/diag.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd:"
-
#include "dasd_int.h"
/*
* SECTION: Constant definitions to be used within this file
@@ -310,39 +307,57 @@ static int dasd_state_basic_to_known(struct dasd_device *device)
*/
static int dasd_state_basic_to_ready(struct dasd_device *device)
{
- int rc;
- struct dasd_block *block;
- struct gendisk *disk;
+ struct dasd_block *block = device->block;
+ struct queue_limits lim;
+ int rc = 0;
- rc = 0;
- block = device->block;
/* make disk known with correct capacity */
- if (block) {
- if (block->base->discipline->do_analysis != NULL)
- rc = block->base->discipline->do_analysis(block);
- if (rc) {
- if (rc != -EAGAIN) {
- device->state = DASD_STATE_UNFMT;
- disk = device->block->gdp;
- kobject_uevent(&disk_to_dev(disk)->kobj,
- KOBJ_CHANGE);
- goto out;
- }
- return rc;
- }
- if (device->discipline->setup_blk_queue)
- device->discipline->setup_blk_queue(block);
- set_capacity(block->gdp,
- block->blocks << block->s2b_shift);
+ if (!block) {
device->state = DASD_STATE_READY;
- rc = dasd_scan_partitions(block);
- if (rc) {
- device->state = DASD_STATE_BASIC;
+ goto out;
+ }
+
+ if (block->base->discipline->do_analysis != NULL)
+ rc = block->base->discipline->do_analysis(block);
+ if (rc) {
+ if (rc == -EAGAIN)
return rc;
- }
- } else {
- device->state = DASD_STATE_READY;
+ device->state = DASD_STATE_UNFMT;
+ kobject_uevent(&disk_to_dev(device->block->gdp)->kobj,
+ KOBJ_CHANGE);
+ goto out;
+ }
+
+ lim = queue_limits_start_update(block->gdp->queue);
+ lim.max_dev_sectors = device->discipline->max_sectors(block);
+ lim.max_hw_sectors = lim.max_dev_sectors;
+ lim.logical_block_size = block->bp_block;
+
+ if (device->discipline->has_discard) {
+ unsigned int max_bytes;
+
+ lim.discard_granularity = block->bp_block;
+
+ /* Calculate max_discard_sectors and make it PAGE aligned */
+ max_bytes = USHRT_MAX * block->bp_block;
+ max_bytes = ALIGN_DOWN(max_bytes, PAGE_SIZE);
+
+ lim.max_hw_discard_sectors = max_bytes / block->bp_block;
+ lim.max_write_zeroes_sectors = lim.max_hw_discard_sectors;
+ }
+ rc = queue_limits_commit_update(block->gdp->queue, &lim);
+ if (rc)
+ return rc;
+
+ set_capacity(block->gdp, block->blocks << block->s2b_shift);
+ device->state = DASD_STATE_READY;
+
+ rc = dasd_scan_partitions(block);
+ if (rc) {
+ device->state = DASD_STATE_BASIC;
+ return rc;
}
+
out:
if (device->discipline->basic_to_ready)
rc = device->discipline->basic_to_ready(device);
@@ -409,7 +424,7 @@ dasd_state_ready_to_online(struct dasd_device * device)
KOBJ_CHANGE);
return 0;
}
- disk_uevent(device->block->bdev_handle->bdev->bd_disk,
+ disk_uevent(file_bdev(device->block->bdev_file)->bd_disk,
KOBJ_CHANGE);
}
return 0;
@@ -430,7 +445,7 @@ static int dasd_state_online_to_ready(struct dasd_device *device)
device->state = DASD_STATE_READY;
if (device->block && !(device->features & DASD_FEATURE_USERAW))
- disk_uevent(device->block->bdev_handle->bdev->bd_disk,
+ disk_uevent(file_bdev(device->block->bdev_file)->bd_disk,
KOBJ_CHANGE);
return 0;
}
@@ -1298,7 +1313,6 @@ int dasd_term_IO(struct dasd_ccw_req *cqr)
{
struct dasd_device *device;
int retries, rc;
- char errorstring[ERRORLENGTH];
/* Check the cqr */
rc = dasd_check_cqr(cqr);
@@ -1337,10 +1351,8 @@ int dasd_term_IO(struct dasd_ccw_req *cqr)
rc = 0;
break;
default:
- /* internal error 10 - unknown rc*/
- snprintf(errorstring, ERRORLENGTH, "10 %d", rc);
- dev_err(&device->cdev->dev, "An error occurred in the "
- "DASD device driver, reason=%s\n", errorstring);
+ dev_err(&device->cdev->dev,
+ "Unexpected error during request termination %d\n", rc);
BUG();
break;
}
@@ -1359,7 +1371,6 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
{
struct dasd_device *device;
int rc;
- char errorstring[ERRORLENGTH];
/* Check the cqr */
rc = dasd_check_cqr(cqr);
@@ -1379,10 +1390,8 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
return -EPERM;
}
if (cqr->retries < 0) {
- /* internal error 14 - start_IO run out of retries */
- sprintf(errorstring, "14 %p", cqr);
- dev_err(&device->cdev->dev, "An error occurred in the DASD "
- "device driver, reason=%s\n", errorstring);
+ dev_err(&device->cdev->dev,
+ "Start I/O ran out of retries\n");
cqr->status = DASD_CQR_ERROR;
return -EIO;
}
@@ -1460,11 +1469,8 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
"not accessible");
break;
default:
- /* internal error 11 - unknown rc */
- snprintf(errorstring, ERRORLENGTH, "11 %d", rc);
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", errorstring);
+ "Unexpected error during request start %d", rc);
BUG();
break;
}
@@ -1901,8 +1907,6 @@ static void __dasd_device_process_ccw_queue(struct dasd_device *device,
static void __dasd_process_cqr(struct dasd_device *device,
struct dasd_ccw_req *cqr)
{
- char errorstring[ERRORLENGTH];
-
switch (cqr->status) {
case DASD_CQR_SUCCESS:
cqr->status = DASD_CQR_DONE;
@@ -1914,11 +1918,8 @@ static void __dasd_process_cqr(struct dasd_device *device,
cqr->status = DASD_CQR_TERMINATED;
break;
default:
- /* internal error 12 - wrong cqr status*/
- snprintf(errorstring, ERRORLENGTH, "12 %p %x02", cqr, cqr->status);
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", errorstring);
+ "Unexpected CQR status %02x", cqr->status);
BUG();
}
if (cqr->callback)
@@ -1983,16 +1984,14 @@ static void __dasd_device_check_expire(struct dasd_device *device)
if (device->discipline->term_IO(cqr) != 0) {
/* Hmpf, try again in 5 sec */
dev_err(&device->cdev->dev,
- "cqr %p timed out (%lus) but cannot be "
- "ended, retrying in 5 s\n",
- cqr, (cqr->expires/HZ));
+ "CQR timed out (%lus) but cannot be ended, retrying in 5s\n",
+ (cqr->expires / HZ));
cqr->expires += 5*HZ;
dasd_device_set_timer(device, 5*HZ);
} else {
dev_err(&device->cdev->dev,
- "cqr %p timed out (%lus), %i retries "
- "remaining\n", cqr, (cqr->expires/HZ),
- cqr->retries);
+ "CQR timed out (%lus), %i retries remaining\n",
+ (cqr->expires / HZ), cqr->retries);
}
__dasd_device_check_autoquiesce_timeout(device, cqr);
}
@@ -2113,8 +2112,7 @@ int dasd_flush_device_queue(struct dasd_device *device)
if (rc) {
/* unable to terminate requeust */
dev_err(&device->cdev->dev,
- "Flushing the DASD request queue "
- "failed for request %p\n", cqr);
+ "Flushing the DASD request queue failed\n");
/* stop flush processing */
goto finished;
}
@@ -2630,8 +2628,7 @@ static int __dasd_cancel_req(struct dasd_ccw_req *cqr)
rc = device->discipline->term_IO(cqr);
if (rc) {
dev_err(&device->cdev->dev,
- "Cancelling request %p failed with rc=%d\n",
- cqr, rc);
+ "Cancelling request failed with rc=%d\n", rc);
} else {
cqr->stopclk = get_tod_clock();
}
@@ -3584,7 +3581,7 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
* in the other openers.
*/
if (device->block) {
- max_count = device->block->bdev_handle ? 0 : -1;
+ max_count = device->block->bdev_file ? 0 : -1;
open_count = atomic_read(&device->block->open_count);
if (open_count > max_count) {
if (open_count > 0)
@@ -3629,8 +3626,8 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
* so sync bdev first and then wait for our queues to become
* empty
*/
- if (device->block && device->block->bdev_handle)
- bdev_mark_dead(device->block->bdev_handle->bdev, false);
+ if (device->block && device->block->bdev_file)
+ bdev_mark_dead(file_bdev(device->block->bdev_file), false);
dasd_schedule_device_bh(device);
rc = wait_event_interruptible(shutdown_waitq,
_wait_for_empty_queues(device));
@@ -3972,16 +3969,14 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
NULL);
if (IS_ERR(cqr)) {
- /* internal error 13 - Allocating the RDC request failed*/
- dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", "13");
+ DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
+ "Could not allocate RDC request");
return cqr;
}
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;
@@ -4025,7 +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 */
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 89957bb724..bbbacfc386 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -7,13 +7,9 @@
*
*/
-#define KMSG_COMPONENT "dasd-eckd"
-
#include <linux/timer.h>
#include <asm/idals.h>
-#define PRINTK_HEADER "dasd_erp(3990): "
-
#include "dasd_int.h"
#include "dasd_eckd.h"
@@ -220,7 +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;
@@ -398,7 +394,6 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
struct dasd_device *device = erp->startdev;
char msg_format = (sense[7] & 0xF0);
char msg_no = (sense[7] & 0x0F);
- char errorstring[ERRORLENGTH];
switch (msg_format) {
case 0x00: /* Format 0 - Program or System Checks */
@@ -1004,12 +999,9 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
}
break;
- default: /* unknown message format - should not happen
- internal error 03 - unknown message format */
- snprintf(errorstring, ERRORLENGTH, "03 %x02", msg_format);
+ default:
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", errorstring);
+ "Unknown message format %02x", msg_format);
break;
} /* end switch message format */
@@ -1056,11 +1048,9 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
set_bit(DASD_CQR_SUPPRESS_CR, &erp->refers->flags);
erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
} else {
- /* fatal error - set status to FAILED
- internal error 09 - Command Reject */
if (!test_bit(DASD_CQR_SUPPRESS_CR, &erp->flags))
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, reason=09\n");
+ "An I/O command request was rejected\n");
erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
}
@@ -1128,13 +1118,7 @@ dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense)
erp->function = dasd_3990_erp_equip_check;
if (sense[1] & SNS1_WRITE_INHIBITED) {
- dev_info(&device->cdev->dev,
- "Write inhibited path encountered\n");
-
- /* vary path offline
- internal error 04 - Path should be varied off-line.*/
- dev_err(&device->cdev->dev, "An error occurred in the DASD "
- "device driver, reason=%s\n", "04");
+ dev_err(&device->cdev->dev, "Write inhibited path encountered\n");
erp = dasd_3990_erp_action_1(erp);
@@ -1285,11 +1269,7 @@ dasd_3990_erp_inv_format(struct dasd_ccw_req * erp, char *sense)
erp = dasd_3990_erp_action_4(erp, sense);
} else {
- /* internal error 06 - The track format is not valid*/
- dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", "06");
-
+ dev_err(&device->cdev->dev, "Track format is not valid\n");
erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
}
@@ -1609,7 +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;
@@ -1663,9 +1643,8 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
sizeof(struct LO_eckd_data), device);
if (IS_ERR(erp)) {
- /* internal error 01 - Unable to allocate ERP */
- dev_err(&device->cdev->dev, "An error occurred in the DASD "
- "device driver, reason=%s\n", "01");
+ DBF_DEV_EVENT(DBF_ERR, device, "%s",
+ "Unable to allocate ERP request (1B 32)");
return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED);
}
@@ -1714,7 +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++;
@@ -1722,7 +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++;
@@ -1768,7 +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 */
@@ -1807,10 +1786,8 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
cpa = previous_erp->irb.scsw.cmd.cpa;
if (cpa == 0) {
- /* internal error 02 -
- Unable to determine address of the CCW to be restarted */
- dev_err(&device->cdev->dev, "An error occurred in the DASD "
- "device driver, reason=%s\n", "02");
+ dev_err(&device->cdev->dev,
+ "Unable to determine address of to be restarted CCW\n");
previous_erp->status = DASD_CQR_FAILED;
@@ -2009,15 +1986,9 @@ dasd_3990_erp_compound_config(struct dasd_ccw_req * erp, char *sense)
{
if ((sense[25] & DASD_SENSE_BIT_1) && (sense[26] & DASD_SENSE_BIT_2)) {
-
- /* set to suspended duplex state then restart
- internal error 05 - Set device to suspended duplex state
- should be done */
struct dasd_device *device = erp->startdev;
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", "05");
-
+ "Compound configuration error occurred\n");
}
erp->function = dasd_3990_erp_compound_config;
@@ -2153,10 +2124,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
erp = dasd_3990_erp_int_req(erp);
break;
- case 0x0F: /* length mismatch during update write command
- internal error 08 - update write command error*/
- dev_err(&device->cdev->dev, "An error occurred in the "
- "DASD device driver, reason=%s\n", "08");
+ case 0x0F:
+ dev_err(&device->cdev->dev,
+ "Update write command error occurred\n");
erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
break;
@@ -2165,12 +2135,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
erp = dasd_3990_erp_action_10_32(erp, sense);
break;
- case 0x15: /* next track outside defined extend
- internal error 07 - The next track is not
- within the defined storage extent */
+ case 0x15:
dev_err(&device->cdev->dev,
- "An error occurred in the DASD device driver, "
- "reason=%s\n", "07");
+ "Track outside defined extent error occurred\n");
erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
break;
@@ -2419,7 +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;
@@ -2430,7 +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;
@@ -2663,7 +2630,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
* necessary
*/
dev_err(&device->cdev->dev,
- "ERP %p has run out of retries and failed\n", erp);
+ "ERP %px has run out of retries and failed\n", erp);
erp->status = DASD_CQR_FAILED;
}
@@ -2704,8 +2671,7 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head,
while (erp_done != erp) {
if (erp_done == NULL) /* end of chain reached */
- panic(PRINTK_HEADER "Programming error in ERP! The "
- "original request was lost\n");
+ panic("Programming error in ERP! The original request was lost\n");
/* remove the request from the device queue */
list_del(&erp_done->blocklist);
@@ -2786,11 +2752,9 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
"ERP chain at BEGINNING of ERP-ACTION\n");
for (temp_erp = cqr;
temp_erp != NULL; temp_erp = temp_erp->refers) {
-
dev_err(&device->cdev->dev,
- "ERP %p (%02x) refers to %p\n",
- temp_erp, temp_erp->status,
- temp_erp->refers);
+ "ERP %px (%02x) refers to %px\n",
+ temp_erp, temp_erp->status, temp_erp->refers);
}
}
@@ -2837,11 +2801,9 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
"ERP chain at END of ERP-ACTION\n");
for (temp_erp = erp;
temp_erp != NULL; temp_erp = temp_erp->refers) {
-
dev_err(&device->cdev->dev,
- "ERP %p (%02x) refers to %p\n",
- temp_erp, temp_erp->status,
- temp_erp->refers);
+ "ERP %px (%02x) refers to %px\n",
+ temp_erp, temp_erp->status, temp_erp->refers);
}
}
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index c9740ae88d..f7e768d8ca 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -6,20 +6,12 @@
* Author(s): Stefan Weinhuber <wein@de.ibm.com>
*/
-#define KMSG_COMPONENT "dasd-eckd"
-
#include <linux/list.h>
#include <linux/slab.h>
#include <asm/ebcdic.h>
#include "dasd_int.h"
#include "dasd_eckd.h"
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif /* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(eckd):"
-
-
/*
* General concept of alias management:
* - PAV and DASD alias management is specific to the eckd discipline.
@@ -443,7 +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)));
@@ -451,7 +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;
@@ -747,7 +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);
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index c4e36650c4..0316c20823 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -13,8 +13,6 @@
*
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -24,8 +22,6 @@
#include <linux/uaccess.h>
#include <asm/ipl.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_devmap:"
#define DASD_MAX_PARAMS 256
#include "dasd_int.h"
@@ -1114,7 +1110,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf)
use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;
else
use_diag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USEDIAG) != 0;
- return sprintf(buf, use_diag ? "1\n" : "0\n");
+ return sysfs_emit(buf, use_diag ? "1\n" : "0\n");
}
static ssize_t
@@ -1163,7 +1159,7 @@ dasd_use_raw_show(struct device *dev, struct device_attribute *attr, char *buf)
use_raw = (devmap->features & DASD_FEATURE_USERAW) != 0;
else
use_raw = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USERAW) != 0;
- return sprintf(buf, use_raw ? "1\n" : "0\n");
+ return sysfs_emit(buf, use_raw ? "1\n" : "0\n");
}
static ssize_t
@@ -1259,7 +1255,7 @@ dasd_access_show(struct device *dev, struct device_attribute *attr,
if (count < 0)
return count;
- return sprintf(buf, "%d\n", count);
+ return sysfs_emit(buf, "%d\n", count);
}
static DEVICE_ATTR(host_access_count, 0444, dasd_access_show, NULL);
@@ -1338,19 +1334,19 @@ static ssize_t dasd_alias_show(struct device *dev,
device = dasd_device_from_cdev(to_ccwdev(dev));
if (IS_ERR(device))
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
if (device->discipline && device->discipline->get_uid &&
!device->discipline->get_uid(device, &uid)) {
if (uid.type == UA_BASE_PAV_ALIAS ||
uid.type == UA_HYPER_PAV_ALIAS) {
dasd_put_device(device);
- return sprintf(buf, "1\n");
+ return sysfs_emit(buf, "1\n");
}
}
dasd_put_device(device);
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
}
static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL);
@@ -1412,15 +1408,9 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
break;
}
- if (strlen(uid.vduit) > 0)
- snprintf(uid_string, sizeof(uid_string),
- "%s.%s.%04x.%s.%s",
- uid.vendor, uid.serial, uid.ssid, ua_string,
- uid.vduit);
- else
- snprintf(uid_string, sizeof(uid_string),
- "%s.%s.%04x.%s",
- uid.vendor, uid.serial, uid.ssid, ua_string);
+ snprintf(uid_string, sizeof(uid_string), "%s.%s.%04x.%s%s%s",
+ uid.vendor, uid.serial, uid.ssid, ua_string,
+ uid.vduit[0] ? "." : "", uid.vduit);
}
dasd_put_device(device);
@@ -1862,7 +1852,7 @@ static ssize_t dasd_pm_show(struct device *dev,
device = dasd_device_from_cdev(to_ccwdev(dev));
if (IS_ERR(device))
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
opm = dasd_path_get_opm(device);
nppm = dasd_path_get_nppm(device);
@@ -1872,8 +1862,8 @@ static ssize_t dasd_pm_show(struct device *dev,
ifccpm = dasd_path_get_ifccpm(device);
dasd_put_device(device);
- return sprintf(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm,
- cablepm, cuirpm, hpfpm, ifccpm);
+ return sysfs_emit(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm,
+ cablepm, cuirpm, hpfpm, ifccpm);
}
static DEVICE_ATTR(path_masks, 0444, dasd_pm_show, NULL);
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 2e4e555b37..ea4b1d01bb 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -8,8 +8,6 @@
*
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/kernel_stat.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
@@ -31,8 +29,6 @@
#include "dasd_int.h"
#include "dasd_diag.h"
-#define PRINTK_HEADER "dasd(diag):"
-
MODULE_LICENSE("GPL");
/* The maximum number of blocks per request (max_blocks) is dependent on the
@@ -621,25 +617,9 @@ dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
"dump sense not available for DIAG data");
}
-/*
- * Initialize block layer request queue.
- */
-static void dasd_diag_setup_blk_queue(struct dasd_block *block)
+static unsigned int dasd_diag_max_sectors(struct dasd_block *block)
{
- unsigned int logical_block_size = block->bp_block;
- struct request_queue *q = block->gdp->queue;
- int max;
-
- max = DIAG_MAX_BLOCKS << block->s2b_shift;
- blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- q->limits.max_dev_sectors = max;
- blk_queue_logical_block_size(q, logical_block_size);
- blk_queue_max_hw_sectors(q, max);
- blk_queue_max_segments(q, USHRT_MAX);
- /* With page sized segments each segment can be translated into one idaw/tidaw */
- blk_queue_max_segment_size(q, PAGE_SIZE);
- blk_queue_segment_boundary(q, PAGE_SIZE - 1);
- blk_queue_dma_alignment(q, PAGE_SIZE - 1);
+ return DIAG_MAX_BLOCKS << block->s2b_shift;
}
static int dasd_diag_pe_handler(struct dasd_device *device,
@@ -652,10 +632,10 @@ static struct dasd_discipline dasd_diag_discipline = {
.owner = THIS_MODULE,
.name = "DIAG",
.ebcname = "DIAG",
+ .max_sectors = dasd_diag_max_sectors,
.check_device = dasd_diag_check_device,
.pe_handler = dasd_diag_pe_handler,
.fill_geometry = dasd_diag_fill_geometry,
- .setup_blk_queue = dasd_diag_setup_blk_queue,
.start_IO = dasd_start_diag,
.term_IO = dasd_diag_term_IO,
.handle_terminated_request = dasd_diag_handle_terminated_request,
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index bd89b03296..180a008d38 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -10,8 +10,6 @@
* Author.........: Nigel Hislop <hislop_nigel@emc.com>
*/
-#define KMSG_COMPONENT "dasd-eckd"
-
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -37,11 +35,6 @@
#include "dasd_int.h"
#include "dasd_eckd.h"
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif /* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(eckd):"
-
/*
* raw track access always map to 64k in memory
* so it maps to 16 blocks of 4k per track
@@ -290,7 +283,7 @@ define_extent(struct ccw1 *ccw, struct DE_eckd_data *data, unsigned int trk,
ccw->cmd_code = DASD_ECKD_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_eckd_data));
@@ -400,7 +393,7 @@ static void locate_record_ext(struct ccw1 *ccw, struct LRE_eckd_data *data,
ccw->count = 22;
else
ccw->count = 20;
- ccw->cda = (__u32)virt_to_phys(data);
+ ccw->cda = virt_to_dma32(data);
}
memset(data, 0, sizeof(*data));
@@ -546,11 +539,11 @@ static int prefix_LRE(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata,
ccw->flags = 0;
if (cmd == DASD_ECKD_CCW_WRITE_FULL_TRACK) {
ccw->count = sizeof(*pfxdata) + 2;
- ccw->cda = (__u32)virt_to_phys(pfxdata);
+ ccw->cda = virt_to_dma32(pfxdata);
memset(pfxdata, 0, sizeof(*pfxdata) + 2);
} else {
ccw->count = sizeof(*pfxdata);
- ccw->cda = (__u32)virt_to_phys(pfxdata);
+ ccw->cda = virt_to_dma32(pfxdata);
memset(pfxdata, 0, sizeof(*pfxdata));
}
@@ -617,7 +610,7 @@ locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, unsigned int trk,
ccw->cmd_code = DASD_ECKD_CCW_LOCATE_RECORD;
ccw->flags = 0;
ccw->count = 16;
- ccw->cda = (__u32)virt_to_phys(data);
+ ccw->cda = virt_to_dma32(data);
memset(data, 0, sizeof(struct LO_eckd_data));
sector = 0;
@@ -832,7 +825,7 @@ static void dasd_eckd_fill_rcd_cqr(struct dasd_device *device,
ccw = cqr->cpaddr;
ccw->cmd_code = DASD_ECKD_CCW_RCD;
ccw->flags = 0;
- ccw->cda = (__u32)virt_to_phys(rcd_buffer);
+ ccw->cda = virt_to_dma32(rcd_buffer);
ccw->count = DASD_ECKD_RCD_DATA_SIZE;
cqr->magic = DASD_ECKD_MAGIC;
@@ -860,7 +853,7 @@ static void read_conf_cb(struct dasd_ccw_req *cqr, void *data)
if (cqr->status != DASD_CQR_DONE) {
ccw = cqr->cpaddr;
- rcd_buffer = phys_to_virt(ccw->cda);
+ rcd_buffer = dma32_to_virt(ccw->cda);
memset(rcd_buffer, 0, sizeof(*rcd_buffer));
rcd_buffer[0] = 0xE5;
@@ -1072,22 +1065,14 @@ static void dasd_eckd_read_fc_security(struct dasd_device *device)
}
}
-static void dasd_eckd_get_uid_string(struct dasd_conf *conf,
- char *print_uid)
+static void dasd_eckd_get_uid_string(struct dasd_conf *conf, char *print_uid)
{
struct dasd_uid uid;
create_uid(conf, &uid);
- if (strlen(uid.vduit) > 0)
- snprintf(print_uid, DASD_UID_STRLEN,
- "%s.%s.%04x.%02x.%s",
- uid.vendor, uid.serial, uid.ssid,
- uid.real_unit_addr, uid.vduit);
- else
- snprintf(print_uid, DASD_UID_STRLEN,
- "%s.%s.%04x.%02x",
- uid.vendor, uid.serial, uid.ssid,
- uid.real_unit_addr);
+ snprintf(print_uid, DASD_UID_STRLEN, "%s.%s.%04x.%02x%s%s",
+ uid.vendor, uid.serial, uid.ssid, uid.real_unit_addr,
+ uid.vduit[0] ? "." : "", uid.vduit);
}
static int dasd_eckd_check_cabling(struct dasd_device *device,
@@ -1549,7 +1534,7 @@ static int dasd_eckd_read_features(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 */
features = (struct dasd_rssd_features *) (prssdp + 1);
@@ -1558,7 +1543,7 @@ static int dasd_eckd_read_features(struct dasd_device *device)
ccw++;
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(struct dasd_rssd_features);
- ccw->cda = (__u32)virt_to_phys(features);
+ ccw->cda = virt_to_dma32(features);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1618,7 +1603,7 @@ static int dasd_eckd_read_vol_info(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_PSF;
ccw->count = sizeof(*prssdp);
ccw->flags |= CCW_FLAG_CC;
- ccw->cda = (__u32)virt_to_phys(prssdp);
+ ccw->cda = virt_to_dma32(prssdp);
/* Read Subsystem Data - Volume Storage Query */
vsq = (struct dasd_rssd_vsq *)(prssdp + 1);
@@ -1628,7 +1613,7 @@ static int dasd_eckd_read_vol_info(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(*vsq);
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(vsq);
+ ccw->cda = virt_to_dma32(vsq);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1803,7 +1788,7 @@ static int dasd_eckd_read_ext_pool_info(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_PSF;
ccw->count = sizeof(*prssdp);
ccw->flags |= CCW_FLAG_CC;
- ccw->cda = (__u32)virt_to_phys(prssdp);
+ ccw->cda = virt_to_dma32(prssdp);
lcq = (struct dasd_rssd_lcq *)(prssdp + 1);
memset(lcq, 0, sizeof(*lcq));
@@ -1812,7 +1797,7 @@ static int dasd_eckd_read_ext_pool_info(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(*lcq);
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(lcq);
+ ccw->cda = virt_to_dma32(lcq);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1909,7 +1894,7 @@ static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device,
}
ccw = cqr->cpaddr;
ccw->cmd_code = DASD_ECKD_CCW_PSF;
- ccw->cda = (__u32)virt_to_phys(psf_ssc_data);
+ ccw->cda = virt_to_dma32(psf_ssc_data);
ccw->count = 66;
cqr->startdev = device;
@@ -2265,7 +2250,7 @@ dasd_eckd_analysis_ccw(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_READ_COUNT;
ccw->flags = 0;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(count_data);
+ ccw->cda = virt_to_dma32(count_data);
ccw++;
count_data++;
}
@@ -2279,7 +2264,7 @@ dasd_eckd_analysis_ccw(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_READ_COUNT;
ccw->flags = 0;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(count_data);
+ ccw->cda = virt_to_dma32(count_data);
cqr->block = NULL;
cqr->startdev = device;
@@ -2650,7 +2635,7 @@ dasd_eckd_build_check(struct dasd_device *base, struct format_data_t *fdata,
ccw->cmd_code = DASD_ECKD_CCW_READ_COUNT;
ccw->flags = CCW_FLAG_SLI;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(fmt_buffer);
+ ccw->cda = virt_to_dma32(fmt_buffer);
ccw++;
fmt_buffer++;
}
@@ -2860,7 +2845,7 @@ dasd_eckd_build_format(struct dasd_device *base, struct dasd_device *startdev,
ccw->cmd_code = DASD_ECKD_CCW_WRITE_RECORD_ZERO;
ccw->flags = CCW_FLAG_SLI;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(ect);
+ ccw->cda = virt_to_dma32(ect);
ccw++;
}
if ((intensity & ~0x08) & 0x04) { /* erase track */
@@ -2875,7 +2860,7 @@ dasd_eckd_build_format(struct dasd_device *base, struct dasd_device *startdev,
ccw->cmd_code = DASD_ECKD_CCW_WRITE_CKD;
ccw->flags = CCW_FLAG_SLI;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(ect);
+ ccw->cda = virt_to_dma32(ect);
} else { /* write remaining records */
for (i = 0; i < rpt; i++) {
ect = (struct eckd_count *) data;
@@ -2910,7 +2895,7 @@ dasd_eckd_build_format(struct dasd_device *base, struct dasd_device *startdev,
DASD_ECKD_CCW_WRITE_CKD_MT;
ccw->flags = CCW_FLAG_SLI;
ccw->count = 8;
- ccw->cda = (__u32)virt_to_phys(ect);
+ ccw->cda = virt_to_dma32(ect);
ccw++;
}
}
@@ -3851,7 +3836,7 @@ dasd_eckd_dso_ras(struct dasd_device *device, struct dasd_block *block,
}
ccw = cqr->cpaddr;
- ccw->cda = (__u32)virt_to_phys(cqr->data);
+ ccw->cda = virt_to_dma32(cqr->data);
ccw->cmd_code = DASD_ECKD_CCW_DSO;
ccw->count = size;
@@ -3976,7 +3961,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
unsigned int blksize)
{
struct dasd_eckd_private *private;
- unsigned long *idaws;
+ dma64_t *idaws;
struct LO_eckd_data *LO_data;
struct dasd_ccw_req *cqr;
struct ccw1 *ccw;
@@ -4054,8 +4039,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
dasd_sfree_request(cqr, startdev);
return ERR_PTR(-EAGAIN);
}
- idaws = (unsigned long *) (cqr->data +
- sizeof(struct PFX_eckd_data));
+ idaws = (dma64_t *)(cqr->data + sizeof(struct PFX_eckd_data));
} else {
if (define_extent(ccw++, cqr->data, first_trk,
last_trk, cmd, basedev, 0) == -EAGAIN) {
@@ -4065,8 +4049,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
dasd_sfree_request(cqr, startdev);
return ERR_PTR(-EAGAIN);
}
- idaws = (unsigned long *) (cqr->data +
- sizeof(struct DE_eckd_data));
+ idaws = (dma64_t *)(cqr->data + sizeof(struct DE_eckd_data));
}
/* Build locate_record+read/write/ccws. */
LO_data = (struct LO_eckd_data *) (idaws + cidaw);
@@ -4120,11 +4103,11 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
ccw->cmd_code = rcmd;
ccw->count = count;
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++;
@@ -4167,7 +4150,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
unsigned int blk_per_trk,
unsigned int blksize)
{
- unsigned long *idaws;
+ dma64_t *idaws;
struct dasd_ccw_req *cqr;
struct ccw1 *ccw;
struct req_iterator iter;
@@ -4237,7 +4220,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
* (or 2K blocks on 31-bit)
* - the scope of a ccw and it's idal ends with the track boundaries
*/
- idaws = (unsigned long *) (cqr->data + sizeof(struct PFX_eckd_data));
+ idaws = (dma64_t *)(cqr->data + sizeof(struct PFX_eckd_data));
recid = first_rec;
new_track = 1;
end_idaw = 0;
@@ -4258,7 +4241,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
ccw[-1].flags |= CCW_FLAG_CC;
ccw->cmd_code = cmd;
ccw->count = len_to_track_end;
- ccw->cda = (__u32)virt_to_phys(idaws);
+ ccw->cda = virt_to_dma32(idaws);
ccw->flags = CCW_FLAG_IDA;
ccw++;
recid += count;
@@ -4274,7 +4257,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
* idaw ends
*/
if (!idaw_dst) {
- if ((__u32)virt_to_phys(dst) & (IDA_BLOCK_SIZE - 1)) {
+ if ((unsigned long)(dst) & (IDA_BLOCK_SIZE - 1)) {
dasd_sfree_request(cqr, startdev);
return ERR_PTR(-ERANGE);
} else
@@ -4294,7 +4277,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
* idal_create_words will handle cases where idaw_len
* is larger then IDA_BLOCK_SIZE
*/
- if (!((__u32)virt_to_phys(idaw_dst + idaw_len) & (IDA_BLOCK_SIZE - 1)))
+ if (!((unsigned long)(idaw_dst + idaw_len) & (IDA_BLOCK_SIZE - 1)))
end_idaw = 1;
/* We also need to end the idaw at track end */
if (!len_to_track_end) {
@@ -4753,11 +4736,11 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,
struct req_iterator iter;
struct dasd_ccw_req *cqr;
unsigned int trkcount;
- unsigned long *idaws;
unsigned int size;
unsigned char cmd;
struct bio_vec bv;
struct ccw1 *ccw;
+ dma64_t *idaws;
int use_prefix;
void *data;
char *dst;
@@ -4838,7 +4821,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,
trkcount, cmd, basedev, 0, 0);
}
- idaws = (unsigned long *)(cqr->data + size);
+ idaws = (dma64_t *)(cqr->data + size);
len_to_track_end = 0;
if (start_padding_sectors) {
ccw[-1].flags |= CCW_FLAG_CC;
@@ -4847,7 +4830,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,
ccw->count = 57326;
/* 64k map to one track */
len_to_track_end = 65536 - start_padding_sectors * 512;
- ccw->cda = (__u32)virt_to_phys(idaws);
+ ccw->cda = virt_to_dma32(idaws);
ccw->flags |= CCW_FLAG_IDA;
ccw->flags |= CCW_FLAG_SLI;
ccw++;
@@ -4866,7 +4849,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,
ccw->count = 57326;
/* 64k map to one track */
len_to_track_end = 65536;
- ccw->cda = (__u32)virt_to_phys(idaws);
+ ccw->cda = virt_to_dma32(idaws);
ccw->flags |= CCW_FLAG_IDA;
ccw->flags |= CCW_FLAG_SLI;
ccw++;
@@ -4923,9 +4906,9 @@ dasd_eckd_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);
@@ -5075,7 +5058,7 @@ dasd_eckd_release(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_RELEASE;
ccw->flags |= CCW_FLAG_SLI;
ccw->count = 32;
- ccw->cda = (__u32)virt_to_phys(cqr->data);
+ ccw->cda = virt_to_dma32(cqr->data);
cqr->startdev = device;
cqr->memdev = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -5130,7 +5113,7 @@ dasd_eckd_reserve(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_RESERVE;
ccw->flags |= CCW_FLAG_SLI;
ccw->count = 32;
- ccw->cda = (__u32)virt_to_phys(cqr->data);
+ ccw->cda = virt_to_dma32(cqr->data);
cqr->startdev = device;
cqr->memdev = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -5184,7 +5167,7 @@ dasd_eckd_steal_lock(struct dasd_device *device)
ccw->cmd_code = DASD_ECKD_CCW_SLCK;
ccw->flags |= CCW_FLAG_SLI;
ccw->count = 32;
- ccw->cda = (__u32)virt_to_phys(cqr->data);
+ ccw->cda = virt_to_dma32(cqr->data);
cqr->startdev = device;
cqr->memdev = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -5245,7 +5228,7 @@ static int dasd_eckd_snid(struct dasd_device *device,
ccw->cmd_code = DASD_ECKD_CCW_SNID;
ccw->flags |= CCW_FLAG_SLI;
ccw->count = 12;
- ccw->cda = (__u32)virt_to_phys(cqr->data);
+ ccw->cda = virt_to_dma32(cqr->data);
cqr->startdev = device;
cqr->memdev = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -5312,7 +5295,7 @@ dasd_eckd_performance(struct dasd_device *device, void __user *argp)
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 - Performance Statistics */
stats = (struct dasd_rssd_perf_stats_t *) (prssdp + 1);
@@ -5321,7 +5304,7 @@ dasd_eckd_performance(struct dasd_device *device, void __user *argp)
ccw++;
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(struct dasd_rssd_perf_stats_t);
- ccw->cda = (__u32)virt_to_phys(stats);
+ ccw->cda = virt_to_dma32(stats);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -5465,7 +5448,7 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
ccw->cmd_code = DASD_ECKD_CCW_PSF;
ccw->count = usrparm.psf_data_len;
ccw->flags |= CCW_FLAG_CC;
- ccw->cda = (__u32)virt_to_phys(psf_data);
+ ccw->cda = virt_to_dma32(psf_data);
ccw++;
@@ -5473,7 +5456,7 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = usrparm.rssd_result_len;
ccw->flags = CCW_FLAG_SLI ;
- ccw->cda = (__u32)virt_to_phys(rssd_result);
+ ccw->cda = virt_to_dma32(rssd_result);
rc = dasd_sleep_on(cqr);
if (rc)
@@ -5529,22 +5512,22 @@ dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp)
* and return number of printed chars.
*/
static void
-dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page)
+dasd_eckd_dump_ccw_range(struct dasd_device *device, struct ccw1 *from,
+ struct ccw1 *to, char *page)
{
int len, count;
char *datap;
len = 0;
while (from <= to) {
- len += sprintf(page + len, PRINTK_HEADER
- " CCW %p: %08X %08X DAT:",
+ len += sprintf(page + len, "CCW %px: %08X %08X DAT:",
from, ((int *) from)[0], ((int *) from)[1]);
/* get pointer to data (consider IDALs) */
if (from->flags & CCW_FLAG_IDA)
- datap = (char *)*((addr_t *)phys_to_virt(from->cda));
+ datap = (char *)*((addr_t *)dma32_to_virt(from->cda));
else
- datap = phys_to_virt(from->cda);
+ datap = dma32_to_virt(from->cda);
/* dump data (max 128 bytes) */
for (count = 0; count < from->count && count < 128; count++) {
@@ -5560,7 +5543,7 @@ dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page)
from++;
}
if (len > 0)
- printk(KERN_ERR "%s", page);
+ dev_err(&device->cdev->dev, "%s", page);
}
static void
@@ -5591,9 +5574,12 @@ dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct irb *irb,
static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
struct dasd_ccw_req *req, struct irb *irb)
{
- char *page;
struct ccw1 *first, *last, *fail, *from, *to;
+ struct device *dev;
int len, sl, sct;
+ char *page;
+
+ dev = &device->cdev->dev;
page = (char *) get_zeroed_page(GFP_ATOMIC);
if (page == NULL) {
@@ -5602,24 +5588,18 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
return;
}
/* dump the sense data */
- len = sprintf(page, PRINTK_HEADER
- " I/O status report for device %s:\n",
- dev_name(&device->cdev->dev));
- len += sprintf(page + len, PRINTK_HEADER
- " in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X "
- "CS:%02X RC:%d\n",
+ len = sprintf(page, "I/O status report:\n");
+ len += sprintf(page + len,
+ "in req: %px CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X CS:%02X RC:%d\n",
req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw),
scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw),
scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw),
req ? req->intrc : 0);
- len += sprintf(page + len, PRINTK_HEADER
- " device %s: Failing CCW: %p\n",
- dev_name(&device->cdev->dev),
- phys_to_virt(irb->scsw.cmd.cpa));
+ len += sprintf(page + len, "Failing CCW: %px\n",
+ dma32_to_virt(irb->scsw.cmd.cpa));
if (irb->esw.esw0.erw.cons) {
for (sl = 0; sl < 4; sl++) {
- len += sprintf(page + len, PRINTK_HEADER
- " Sense(hex) %2d-%2d:",
+ len += sprintf(page + len, "Sense(hex) %2d-%2d:",
(8 * sl), ((8 * sl) + 7));
for (sct = 0; sct < 8; sct++) {
@@ -5631,23 +5611,20 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
if (irb->ecw[27] & DASD_SENSE_BIT_0) {
/* 24 Byte Sense Data */
- sprintf(page + len, PRINTK_HEADER
- " 24 Byte: %x MSG %x, "
- "%s MSGb to SYSOP\n",
+ sprintf(page + len,
+ "24 Byte: %x MSG %x, %s MSGb to SYSOP\n",
irb->ecw[7] >> 4, irb->ecw[7] & 0x0f,
irb->ecw[1] & 0x10 ? "" : "no");
} else {
/* 32 Byte Sense Data */
- sprintf(page + len, PRINTK_HEADER
- " 32 Byte: Format: %x "
- "Exception class %x\n",
+ sprintf(page + len,
+ "32 Byte: Format: %x Exception class %x\n",
irb->ecw[6] & 0x0f, irb->ecw[22] >> 4);
}
} else {
- sprintf(page + len, PRINTK_HEADER
- " SORRY - NO VALID SENSE AVAILABLE\n");
+ sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n");
}
- printk(KERN_ERR "%s", page);
+ dev_err(dev, "%s", page);
if (req) {
/* req == NULL for unsolicited interrupts */
@@ -5656,28 +5633,28 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
first = req->cpaddr;
for (last = first; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++);
to = min(first + 6, last);
- printk(KERN_ERR PRINTK_HEADER " Related CP in req: %p\n", req);
- dasd_eckd_dump_ccw_range(first, to, page);
+ dev_err(dev, "Related CP in req: %px\n", req);
+ dasd_eckd_dump_ccw_range(device, first, to, page);
/* print failing CCW area (maximum 4) */
/* scsw->cda is either valid or zero */
from = ++to;
- fail = phys_to_virt(irb->scsw.cmd.cpa); /* failing CCW */
+ fail = dma32_to_virt(irb->scsw.cmd.cpa); /* failing CCW */
if (from < fail - 2) {
from = fail - 2; /* there is a gap - print header */
- printk(KERN_ERR PRINTK_HEADER "......\n");
+ dev_err(dev, "......\n");
}
to = min(fail + 1, last);
- dasd_eckd_dump_ccw_range(from, to, page + len);
+ dasd_eckd_dump_ccw_range(device, from, to, page + len);
/* print last CCWs (maximum 2) */
len = 0;
from = max(from, ++to);
if (from < last - 1) {
from = last - 1; /* there is a gap - print header */
- printk(KERN_ERR PRINTK_HEADER "......\n");
+ dev_err(dev, "......\n");
}
- dasd_eckd_dump_ccw_range(from, last, page + len);
+ dasd_eckd_dump_ccw_range(device, from, last, page + len);
}
free_page((unsigned long) page);
}
@@ -5701,11 +5678,9 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
return;
}
/* dump the sense data */
- len = sprintf(page, PRINTK_HEADER
- " I/O status report for device %s:\n",
- dev_name(&device->cdev->dev));
- len += sprintf(page + len, PRINTK_HEADER
- " in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X "
+ len = sprintf(page, "I/O status report:\n");
+ len += sprintf(page + len,
+ "in req: %px CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X "
"CS:%02X fcxs:%02X schxs:%02X RC:%d\n",
req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw),
scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw),
@@ -5713,58 +5688,46 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
irb->scsw.tm.fcxs,
(irb->scsw.tm.ifob << 7) | irb->scsw.tm.sesq,
req ? req->intrc : 0);
- len += sprintf(page + len, PRINTK_HEADER
- " device %s: Failing TCW: %p\n",
- dev_name(&device->cdev->dev),
- phys_to_virt(irb->scsw.tm.tcw));
+ len += sprintf(page + len, "Failing TCW: %px\n",
+ dma32_to_virt(irb->scsw.tm.tcw));
tsb = NULL;
sense = NULL;
if (irb->scsw.tm.tcw && (irb->scsw.tm.fcxs & 0x01))
- tsb = tcw_get_tsb(phys_to_virt(irb->scsw.tm.tcw));
+ tsb = tcw_get_tsb(dma32_to_virt(irb->scsw.tm.tcw));
if (tsb) {
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->length %d\n", tsb->length);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->flags %x\n", tsb->flags);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->dcw_offset %d\n", tsb->dcw_offset);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->count %d\n", tsb->count);
+ len += sprintf(page + len, "tsb->length %d\n", tsb->length);
+ len += sprintf(page + len, "tsb->flags %x\n", tsb->flags);
+ len += sprintf(page + len, "tsb->dcw_offset %d\n", tsb->dcw_offset);
+ len += sprintf(page + len, "tsb->count %d\n", tsb->count);
residual = tsb->count - 28;
- len += sprintf(page + len, PRINTK_HEADER
- " residual %d\n", residual);
+ len += sprintf(page + len, "residual %d\n", residual);
switch (tsb->flags & 0x07) {
case 1: /* tsa_iostat */
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.iostat.dev_time %d\n",
+ len += sprintf(page + len, "tsb->tsa.iostat.dev_time %d\n",
tsb->tsa.iostat.dev_time);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.iostat.def_time %d\n",
+ len += sprintf(page + len, "tsb->tsa.iostat.def_time %d\n",
tsb->tsa.iostat.def_time);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.iostat.queue_time %d\n",
+ len += sprintf(page + len, "tsb->tsa.iostat.queue_time %d\n",
tsb->tsa.iostat.queue_time);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.iostat.dev_busy_time %d\n",
+ len += sprintf(page + len, "tsb->tsa.iostat.dev_busy_time %d\n",
tsb->tsa.iostat.dev_busy_time);
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.iostat.dev_act_time %d\n",
+ len += sprintf(page + len, "tsb->tsa.iostat.dev_act_time %d\n",
tsb->tsa.iostat.dev_act_time);
sense = tsb->tsa.iostat.sense;
break;
case 2: /* ts_ddpc */
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.ddpc.rc %d\n", tsb->tsa.ddpc.rc);
+ len += sprintf(page + len, "tsb->tsa.ddpc.rc %d\n",
+ tsb->tsa.ddpc.rc);
for (sl = 0; sl < 2; sl++) {
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.ddpc.rcq %2d-%2d: ",
+ len += sprintf(page + len,
+ "tsb->tsa.ddpc.rcq %2d-%2d: ",
(8 * sl), ((8 * sl) + 7));
rcq = tsb->tsa.ddpc.rcq;
for (sct = 0; sct < 8; sct++) {
- len += sprintf(page + len, " %02x",
+ len += sprintf(page + len, "%02x",
rcq[8 * sl + sct]);
}
len += sprintf(page + len, "\n");
@@ -5772,15 +5735,15 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
sense = tsb->tsa.ddpc.sense;
break;
case 3: /* tsa_intrg */
- len += sprintf(page + len, PRINTK_HEADER
- " tsb->tsa.intrg.: not supported yet\n");
+ len += sprintf(page + len,
+ "tsb->tsa.intrg.: not supported yet\n");
break;
}
if (sense) {
for (sl = 0; sl < 4; sl++) {
- len += sprintf(page + len, PRINTK_HEADER
- " Sense(hex) %2d-%2d:",
+ len += sprintf(page + len,
+ "Sense(hex) %2d-%2d:",
(8 * sl), ((8 * sl) + 7));
for (sct = 0; sct < 8; sct++) {
len += sprintf(page + len, " %02x",
@@ -5791,27 +5754,23 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
if (sense[27] & DASD_SENSE_BIT_0) {
/* 24 Byte Sense Data */
- sprintf(page + len, PRINTK_HEADER
- " 24 Byte: %x MSG %x, "
- "%s MSGb to SYSOP\n",
+ sprintf(page + len,
+ "24 Byte: %x MSG %x, %s MSGb to SYSOP\n",
sense[7] >> 4, sense[7] & 0x0f,
sense[1] & 0x10 ? "" : "no");
} else {
/* 32 Byte Sense Data */
- sprintf(page + len, PRINTK_HEADER
- " 32 Byte: Format: %x "
- "Exception class %x\n",
+ sprintf(page + len,
+ "32 Byte: Format: %x Exception class %x\n",
sense[6] & 0x0f, sense[22] >> 4);
}
} else {
- sprintf(page + len, PRINTK_HEADER
- " SORRY - NO VALID SENSE AVAILABLE\n");
+ sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n");
}
} else {
- sprintf(page + len, PRINTK_HEADER
- " SORRY - NO TSB DATA AVAILABLE\n");
+ sprintf(page + len, "SORRY - NO TSB DATA AVAILABLE\n");
}
- printk(KERN_ERR "%s", page);
+ dev_err(&device->cdev->dev, "%s", page);
free_page((unsigned long) page);
}
@@ -5945,7 +5904,7 @@ retry:
ccw->count = sizeof(struct dasd_psf_prssd_data);
ccw->flags |= CCW_FLAG_CC;
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(prssdp);
+ ccw->cda = virt_to_dma32(prssdp);
/* Read Subsystem Data - message buffer */
message_buf = (struct dasd_rssd_messages *) (prssdp + 1);
@@ -5955,7 +5914,7 @@ retry:
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(struct dasd_rssd_messages);
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(message_buf);
+ ccw->cda = virt_to_dma32(message_buf);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -6036,14 +5995,14 @@ static int dasd_eckd_query_host_access(struct dasd_device *device,
ccw->count = sizeof(struct dasd_psf_prssd_data);
ccw->flags |= CCW_FLAG_CC;
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(prssdp);
+ ccw->cda = virt_to_dma32(prssdp);
/* Read Subsystem Data - query host access */
ccw++;
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(struct dasd_psf_query_host_access);
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)virt_to_phys(host_access);
+ ccw->cda = virt_to_dma32(host_access);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -6278,14 +6237,14 @@ static int dasd_eckd_query_pprc_status(struct dasd_device *device,
ccw->count = sizeof(struct dasd_psf_prssd_data);
ccw->flags |= CCW_FLAG_CC;
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)(addr_t)prssdp;
+ ccw->cda = virt_to_dma32(prssdp);
/* Read Subsystem Data - query host access */
ccw++;
ccw->cmd_code = DASD_ECKD_CCW_RSSD;
ccw->count = sizeof(*pprc_data);
ccw->flags |= CCW_FLAG_SLI;
- ccw->cda = (__u32)(addr_t)pprc_data;
+ ccw->cda = virt_to_dma32(pprc_data);
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
@@ -6379,7 +6338,7 @@ dasd_eckd_psf_cuir_response(struct dasd_device *device, int response,
psf_cuir->ssid = device->path[pos].ssid;
ccw = cqr->cpaddr;
ccw->cmd_code = DASD_ECKD_CCW_PSF;
- ccw->cda = (__u32)virt_to_phys(psf_cuir);
+ ccw->cda = virt_to_dma32(psf_cuir);
ccw->flags = CCW_FLAG_SLI;
ccw->count = sizeof(struct dasd_psf_cuir_response);
@@ -6865,17 +6824,9 @@ static void dasd_eckd_handle_hpf_error(struct dasd_device *device,
dasd_schedule_requeue(device);
}
-/*
- * Initialize block layer request queue.
- */
-static void dasd_eckd_setup_blk_queue(struct dasd_block *block)
+static unsigned int dasd_eckd_max_sectors(struct dasd_block *block)
{
- unsigned int logical_block_size = block->bp_block;
- struct request_queue *q = block->gdp->queue;
- struct dasd_device *device = block->base;
- int max;
-
- if (device->features & DASD_FEATURE_USERAW) {
+ if (block->base->features & DASD_FEATURE_USERAW) {
/*
* the max_blocks value for raw_track access is 256
* it is higher than the native ECKD value because we
@@ -6883,19 +6834,10 @@ static void dasd_eckd_setup_blk_queue(struct dasd_block *block)
* so the max_hw_sectors are
* 2048 x 512B = 1024kB = 16 tracks
*/
- max = DASD_ECKD_MAX_BLOCKS_RAW << block->s2b_shift;
- } else {
- max = DASD_ECKD_MAX_BLOCKS << block->s2b_shift;
+ return DASD_ECKD_MAX_BLOCKS_RAW << block->s2b_shift;
}
- blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- q->limits.max_dev_sectors = max;
- blk_queue_logical_block_size(q, logical_block_size);
- blk_queue_max_hw_sectors(q, max);
- blk_queue_max_segments(q, USHRT_MAX);
- /* With page sized segments each segment can be translated into one idaw/tidaw */
- blk_queue_max_segment_size(q, PAGE_SIZE);
- blk_queue_segment_boundary(q, PAGE_SIZE - 1);
- blk_queue_dma_alignment(q, PAGE_SIZE - 1);
+
+ return DASD_ECKD_MAX_BLOCKS << block->s2b_shift;
}
static struct ccw_driver dasd_eckd_driver = {
@@ -6927,7 +6869,7 @@ static struct dasd_discipline dasd_eckd_discipline = {
.basic_to_ready = dasd_eckd_basic_to_ready,
.online_to_ready = dasd_eckd_online_to_ready,
.basic_to_known = dasd_eckd_basic_to_known,
- .setup_blk_queue = dasd_eckd_setup_blk_queue,
+ .max_sectors = dasd_eckd_max_sectors,
.fill_geometry = dasd_eckd_fill_geometry,
.start_IO = dasd_start_IO,
.term_IO = dasd_term_IO,
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index c956de711c..194e9e2d9c 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -7,8 +7,6 @@
* Author(s): Stefan Weinhuber <wein@de.ibm.com>
*/
-#define KMSG_COMPONENT "dasd-eckd"
-
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/kernel.h>
@@ -28,11 +26,6 @@
#include "dasd_int.h"
#include "dasd_eckd.h"
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif /* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(eer):"
-
/*
* SECTION: the internal buffer
*/
@@ -492,7 +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;
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index c07e6e7135..4c0d3a7045 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -9,8 +9,6 @@
*
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/ctype.h>
#include <linux/init.h>
@@ -18,9 +16,6 @@
#include <asm/ebcdic.h>
#include <linux/uaccess.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_erp:"
-
#include "dasd_int.h"
struct dasd_ccw_req *
@@ -170,12 +165,12 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
device = cqr->startdev;
if (cqr->intrc == -ETIMEDOUT) {
dev_err(&device->cdev->dev,
- "A timeout error occurred for cqr %p\n", cqr);
+ "A timeout error occurred for cqr %px\n", cqr);
return;
}
if (cqr->intrc == -ENOLINK) {
dev_err(&device->cdev->dev,
- "A transport error occurred for cqr %p\n", cqr);
+ "A transport error occurred for cqr %px\n", cqr);
return;
}
/* dump sense data */
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index c06fa2b271..361e9bd752 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -25,11 +25,6 @@
#include "dasd_int.h"
#include "dasd_fba.h"
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif /* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(fba):"
-
#define FBA_DEFAULT_RETRIES 32
#define DASD_FBA_CCW_WRITE 0x41
@@ -83,7 +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;
@@ -103,7 +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;
@@ -262,7 +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);
}
/*
@@ -432,7 +427,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular(
struct request *req)
{
struct dasd_fba_private *private = block->base->private;
- unsigned long *idaws;
+ dma64_t *idaws;
struct LO_fba_data *LO_data;
struct dasd_ccw_req *cqr;
struct ccw1 *ccw;
@@ -492,7 +487,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular(
define_extent(ccw++, cqr->data, rq_data_dir(req),
block->bp_block, blk_rq_pos(req), blk_rq_sectors(req));
/* Build locate_record + read/write ccws. */
- idaws = (unsigned long *) (cqr->data + sizeof(struct DE_fba_data));
+ idaws = (dma64_t *)(cqr->data + sizeof(struct DE_fba_data));
LO_data = (struct LO_fba_data *) (idaws + cidaw);
/* Locate record for all blocks for smart devices. */
if (private->rdc_data.mode.bits.data_chain != 0) {
@@ -528,11 +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++;
@@ -590,9 +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);
@@ -660,30 +655,27 @@ static void
dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
struct irb *irb)
{
- char *page;
struct ccw1 *act, *end, *last;
int len, sl, sct, count;
+ struct device *dev;
+ char *page;
+
+ dev = &device->cdev->dev;
page = (char *) get_zeroed_page(GFP_ATOMIC);
if (page == NULL) {
DBF_DEV_EVENT(DBF_WARNING, device, "%s",
- "No memory to dump sense data");
+ "No memory to dump sense data");
return;
}
- len = sprintf(page, PRINTK_HEADER
- " I/O status report for device %s:\n",
- dev_name(&device->cdev->dev));
- len += sprintf(page + len, PRINTK_HEADER
- " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
- irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
- len += sprintf(page + len, PRINTK_HEADER
- " device %s: Failing CCW: %p\n",
- dev_name(&device->cdev->dev),
- (void *) (addr_t) irb->scsw.cmd.cpa);
+ len = sprintf(page, "I/O status report:\n");
+ 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 *)(u64)dma32_to_u32(irb->scsw.cmd.cpa));
if (irb->esw.esw0.erw.cons) {
for (sl = 0; sl < 4; sl++) {
- len += sprintf(page + len, PRINTK_HEADER
- " Sense(hex) %2d-%2d:",
+ len += sprintf(page + len, "Sense(hex) %2d-%2d:",
(8 * sl), ((8 * sl) + 7));
for (sct = 0; sct < 8; sct++) {
@@ -693,47 +685,43 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
len += sprintf(page + len, "\n");
}
} else {
- len += sprintf(page + len, PRINTK_HEADER
- " SORRY - NO VALID SENSE AVAILABLE\n");
+ len += sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n");
}
- printk(KERN_ERR "%s", page);
+ dev_err(dev, "%s", page);
/* dump the Channel Program */
/* print first CCWs (maximum 8) */
act = req->cpaddr;
- for (last = act; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++);
+ for (last = act; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++);
end = min(act + 8, last);
- len = sprintf(page, PRINTK_HEADER " Related CP in req: %p\n", req);
+ len = sprintf(page, "Related CP in req: %px\n", req);
while (act <= end) {
- len += sprintf(page + len, PRINTK_HEADER
- " CCW %p: %08X %08X DAT:",
+ 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 *) (addr_t) act->cda)
+ ((int *)dma32_to_virt(act->cda))
[(count>>2)]);
len += sprintf(page + len, "\n");
act++;
}
- printk(KERN_ERR "%s", page);
-
+ dev_err(dev, "%s", page);
/* print failing CCW area */
len = 0;
- if (act < ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2) {
- act = ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2;
- len += sprintf(page + len, PRINTK_HEADER "......\n");
+ 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 *)(addr_t) 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, PRINTK_HEADER
- " CCW %p: %08X %08X DAT:",
+ 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 *) (addr_t) act->cda)
+ ((int *)dma32_to_virt(act->cda))
[(count>>2)]);
len += sprintf(page + len, "\n");
act++;
@@ -742,54 +730,27 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
/* print last CCWs */
if (act < last - 2) {
act = last - 2;
- len += sprintf(page + len, PRINTK_HEADER "......\n");
+ len += sprintf(page + len, "......\n");
}
while (act <= last) {
- len += sprintf(page + len, PRINTK_HEADER
- " CCW %p: %08X %08X DAT:",
+ 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 *) (addr_t) act->cda)
+ ((int *)dma32_to_virt(act->cda))
[(count>>2)]);
len += sprintf(page + len, "\n");
act++;
}
if (len > 0)
- printk(KERN_ERR "%s", page);
+ dev_err(dev, "%s", page);
free_page((unsigned long) page);
}
-/*
- * Initialize block layer request queue.
- */
-static void dasd_fba_setup_blk_queue(struct dasd_block *block)
+static unsigned int dasd_fba_max_sectors(struct dasd_block *block)
{
- unsigned int logical_block_size = block->bp_block;
- struct request_queue *q = block->gdp->queue;
- unsigned int max_bytes, max_discard_sectors;
- int max;
-
- max = DASD_FBA_MAX_BLOCKS << block->s2b_shift;
- blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- q->limits.max_dev_sectors = max;
- blk_queue_logical_block_size(q, logical_block_size);
- blk_queue_max_hw_sectors(q, max);
- blk_queue_max_segments(q, USHRT_MAX);
- /* With page sized segments each segment can be translated into one idaw/tidaw */
- blk_queue_max_segment_size(q, PAGE_SIZE);
- blk_queue_segment_boundary(q, PAGE_SIZE - 1);
-
- q->limits.discard_granularity = logical_block_size;
-
- /* Calculate max_discard_sectors and make it PAGE aligned */
- max_bytes = USHRT_MAX * logical_block_size;
- max_bytes = ALIGN_DOWN(max_bytes, PAGE_SIZE);
- max_discard_sectors = max_bytes / logical_block_size;
-
- blk_queue_max_discard_sectors(q, max_discard_sectors);
- blk_queue_max_write_zeroes_sectors(q, max_discard_sectors);
+ return DASD_FBA_MAX_BLOCKS << block->s2b_shift;
}
static int dasd_fba_pe_handler(struct dasd_device *device,
@@ -802,10 +763,11 @@ static struct dasd_discipline dasd_fba_discipline = {
.owner = THIS_MODULE,
.name = "FBA ",
.ebcname = "FBA ",
+ .has_discard = true,
.check_device = dasd_fba_check_characteristics,
.do_analysis = dasd_fba_do_analysis,
.pe_handler = dasd_fba_pe_handler,
- .setup_blk_queue = dasd_fba_setup_blk_queue,
+ .max_sectors = dasd_fba_max_sectors,
.fill_geometry = dasd_fba_fill_geometry,
.start_IO = dasd_start_IO,
.term_IO = dasd_term_IO,
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 55e3abe94c..4533dd055c 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -11,8 +11,6 @@
*
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/interrupt.h>
#include <linux/major.h>
#include <linux/fs.h>
@@ -20,9 +18,6 @@
#include <linux/uaccess.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_gendisk:"
-
#include "dasd_int.h"
static unsigned int queue_depth = 32;
@@ -39,6 +34,16 @@ MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD d
*/
int dasd_gendisk_alloc(struct dasd_block *block)
{
+ struct queue_limits lim = {
+ /*
+ * With page sized segments, each segment can be translated into
+ * one idaw/tidaw.
+ */
+ .max_segment_size = PAGE_SIZE,
+ .seg_boundary_mask = PAGE_SIZE - 1,
+ .dma_alignment = PAGE_SIZE - 1,
+ .max_segments = USHRT_MAX,
+ };
struct gendisk *gdp;
struct dasd_device *base;
int len, rc;
@@ -58,11 +63,12 @@ int dasd_gendisk_alloc(struct dasd_block *block)
if (rc)
return rc;
- gdp = blk_mq_alloc_disk(&block->tag_set, block);
+ gdp = blk_mq_alloc_disk(&block->tag_set, &lim, block);
if (IS_ERR(gdp)) {
blk_mq_free_tag_set(&block->tag_set);
return PTR_ERR(gdp);
}
+ blk_queue_flag_set(QUEUE_FLAG_NONROT, gdp->queue);
/* Initialize gendisk structure. */
gdp->major = DASD_MAJOR;
@@ -127,15 +133,15 @@ void dasd_gendisk_free(struct dasd_block *block)
*/
int dasd_scan_partitions(struct dasd_block *block)
{
- struct bdev_handle *bdev_handle;
+ struct file *bdev_file;
int rc;
- bdev_handle = bdev_open_by_dev(disk_devt(block->gdp), BLK_OPEN_READ,
+ bdev_file = bdev_file_open_by_dev(disk_devt(block->gdp), BLK_OPEN_READ,
NULL, NULL);
- if (IS_ERR(bdev_handle)) {
+ if (IS_ERR(bdev_file)) {
DBF_DEV_EVENT(DBF_ERR, block->base,
"scan partitions error, blkdev_get returned %ld",
- PTR_ERR(bdev_handle));
+ PTR_ERR(bdev_file));
return -ENODEV;
}
@@ -147,15 +153,15 @@ int dasd_scan_partitions(struct dasd_block *block)
"scan partitions error, rc %d", rc);
/*
- * Since the matching bdev_release() call to the
- * bdev_open_by_path() in this function is not called before
+ * Since the matching fput() call to the
+ * bdev_file_open_by_path() in this function is not called before
* dasd_destroy_partitions the offline open_count limit needs to be
- * increased from 0 to 1. This is done by setting device->bdev_handle
+ * increased from 0 to 1. This is done by setting device->bdev_file
* (see dasd_generic_set_offline). As long as the partition detection
* is running no offline should be allowed. That is why the assignment
- * to block->bdev_handle is done AFTER the BLKRRPART ioctl.
+ * to block->bdev_file is done AFTER the BLKRRPART ioctl.
*/
- block->bdev_handle = bdev_handle;
+ block->bdev_file = bdev_file;
return 0;
}
@@ -165,21 +171,21 @@ int dasd_scan_partitions(struct dasd_block *block)
*/
void dasd_destroy_partitions(struct dasd_block *block)
{
- struct bdev_handle *bdev_handle;
+ struct file *bdev_file;
/*
- * Get the bdev_handle pointer from the device structure and clear
- * device->bdev_handle to lower the offline open_count limit again.
+ * Get the bdev_file pointer from the device structure and clear
+ * device->bdev_file to lower the offline open_count limit again.
*/
- bdev_handle = block->bdev_handle;
- block->bdev_handle = NULL;
+ bdev_file = block->bdev_file;
+ block->bdev_file = NULL;
- mutex_lock(&bdev_handle->bdev->bd_disk->open_mutex);
- bdev_disk_changed(bdev_handle->bdev->bd_disk, true);
- mutex_unlock(&bdev_handle->bdev->bd_disk->open_mutex);
+ mutex_lock(&file_bdev(bdev_file)->bd_disk->open_mutex);
+ bdev_disk_changed(file_bdev(bdev_file)->bd_disk, true);
+ mutex_unlock(&file_bdev(bdev_file)->bd_disk->open_mutex);
/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
- bdev_release(bdev_handle);
+ fput(bdev_file);
}
int dasd_gendisk_init(void)
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 1b1b8a41c4..e5f40536b4 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -113,9 +113,6 @@ do { \
__dev_id.ssid, __dev_id.devno, d_data); \
} while (0)
-/* limit size for an errorstring */
-#define ERRORLENGTH 30
-
/* definition of dbf debug levels */
#define DBF_EMERG 0 /* system is unusable */
#define DBF_ALERT 1 /* action must be taken immediately */
@@ -126,32 +123,6 @@ do { \
#define DBF_INFO 6 /* informational */
#define DBF_DEBUG 6 /* debug-level messages */
-/* messages to be written via klogd and dbf */
-#define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\
-do { \
- printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
- dev_name(&d_device->cdev->dev), d_args); \
- DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \
-} while(0)
-
-#define MESSAGE(d_loglevel,d_string,d_args...)\
-do { \
- printk(d_loglevel PRINTK_HEADER " " d_string "\n", d_args); \
- DBF_EVENT(DBF_ALERT, d_string, d_args); \
-} while(0)
-
-/* messages to be written via klogd only */
-#define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\
-do { \
- printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
- dev_name(&d_device->cdev->dev), d_args); \
-} while(0)
-
-#define MESSAGE_LOG(d_loglevel,d_string,d_args...)\
-do { \
- printk(d_loglevel PRINTK_HEADER " " d_string "\n", d_args); \
-} while(0)
-
/* Macro to calculate number of blocks per page */
#define BLOCKS_PER_PAGE(blksize) (PAGE_SIZE / blksize)
@@ -322,6 +293,7 @@ struct dasd_discipline {
struct module *owner;
char ebcname[8]; /* a name used for tagging and printks */
char name[8]; /* a name used for tagging and printks */
+ bool has_discard;
struct list_head list; /* used for list of disciplines */
@@ -360,10 +332,7 @@ struct dasd_discipline {
int (*online_to_ready) (struct dasd_device *);
int (*basic_to_known)(struct dasd_device *);
- /*
- * Initialize block layer request queue.
- */
- void (*setup_blk_queue)(struct dasd_block *);
+ unsigned int (*max_sectors)(struct dasd_block *);
/* (struct dasd_device *);
* Device operation functions. build_cp creates a ccw chain for
* a block device request, start_io starts the request and
@@ -650,7 +619,7 @@ struct dasd_block {
struct gendisk *gdp;
spinlock_t request_queue_lock;
struct blk_mq_tag_set tag_set;
- struct bdev_handle *bdev_handle;
+ struct file *bdev_file;
atomic_t open_count;
unsigned long blocks; /* size of volume in blocks */
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 61b9675e2a..7e0ed7032f 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -10,8 +10,6 @@
* i/o controls for the dasd driver.
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/interrupt.h>
#include <linux/compat.h>
#include <linux/major.h>
@@ -24,12 +22,8 @@
#include <linux/uaccess.h>
#include <linux/dasd_mod.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_ioctl:"
-
#include "dasd_int.h"
-
static int
dasd_ioctl_api_version(void __user *argp)
{
@@ -537,7 +531,7 @@ static int __dasd_ioctl_information(struct dasd_block *block,
* This must be hidden from user-space.
*/
dasd_info->open_count = atomic_read(&block->open_count);
- if (!block->bdev_handle)
+ if (!block->bdev_file)
dasd_info->open_count++;
/*
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 62a859ea67..0faaa437d9 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -11,8 +11,6 @@
*
*/
-#define KMSG_COMPONENT "dasd"
-
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -23,9 +21,6 @@
#include <asm/debug.h>
#include <linux/uaccess.h>
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_proc:"
-
#include "dasd_int.h"
static struct proc_dir_entry *dasd_proc_root_entry = NULL;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 4b7ecd4fd4..6d1689a271 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -546,9 +546,13 @@ static const struct attribute_group *dcssblk_dev_attr_groups[] = {
static ssize_t
dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
+ struct queue_limits lim = {
+ .logical_block_size = 4096,
+ };
int rc, i, j, num_of_segments;
struct dcssblk_dev_info *dev_info;
struct segment_info *seg_info, *temp;
+ struct dax_device *dax_dev;
char *local_buf;
unsigned long seg_byte_size;
@@ -629,9 +633,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->dev.release = dcssblk_release_segment;
dev_info->dev.groups = dcssblk_dev_attr_groups;
INIT_LIST_HEAD(&dev_info->lh);
- dev_info->gd = blk_alloc_disk(NUMA_NO_NODE);
- if (dev_info->gd == NULL) {
- rc = -ENOMEM;
+ dev_info->gd = blk_alloc_disk(&lim, NUMA_NO_NODE);
+ if (IS_ERR(dev_info->gd)) {
+ rc = PTR_ERR(dev_info->gd);
goto seg_list_del;
}
dev_info->gd->major = dcssblk_major;
@@ -639,7 +643,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->gd->fops = &dcssblk_devops;
dev_info->gd->private_data = dev_info;
dev_info->gd->flags |= GENHD_FL_NO_PART;
- blk_queue_logical_block_size(dev_info->gd->queue, 4096);
blk_queue_flag_set(QUEUE_FLAG_DAX, dev_info->gd->queue);
seg_byte_size = (dev_info->end - dev_info->start + 1);
@@ -677,13 +680,13 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
if (rc)
goto put_dev;
- dev_info->dax_dev = alloc_dax(dev_info, &dcssblk_dax_ops);
- if (IS_ERR(dev_info->dax_dev)) {
- rc = PTR_ERR(dev_info->dax_dev);
- dev_info->dax_dev = NULL;
+ dax_dev = alloc_dax(dev_info, &dcssblk_dax_ops);
+ if (IS_ERR(dax_dev)) {
+ rc = PTR_ERR(dax_dev);
goto put_dev;
}
- set_dax_synchronous(dev_info->dax_dev);
+ set_dax_synchronous(dax_dev);
+ dev_info->dax_dev = dax_dev;
rc = dax_add_host(dev_info->dax_dev, dev_info->gd);
if (rc)
goto out_dax;
@@ -917,7 +920,7 @@ __dcssblk_direct_access(struct dcssblk_dev_info *dev_info, pgoff_t pgoff,
dev_sz = dev_info->end - dev_info->start + 1;
if (kaddr)
- *kaddr = (void *) dev_info->start + offset;
+ *kaddr = __va(dev_info->start + offset);
if (pfn)
*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset),
PFN_DEV|PFN_SPECIAL);
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index ade95e91b3..1d456a5a3b 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -131,7 +131,7 @@ static void scm_request_done(struct scm_request *scmrq)
for (i = 0; i < nr_requests_per_io && scmrq->request[i]; i++) {
msb = &scmrq->aob->msb[i];
- aidaw = (u64)phys_to_virt(msb->data_addr);
+ aidaw = (u64)dma64_to_virt(msb->data_addr);
if ((msb->flags & MSB_FLAG_IDA) && aidaw &&
IS_ALIGNED(aidaw, PAGE_SIZE))
@@ -196,12 +196,12 @@ static int scm_request_prepare(struct scm_request *scmrq)
msb->scm_addr = scmdev->address + ((u64) blk_rq_pos(req) << 9);
msb->oc = (rq_data_dir(req) == READ) ? MSB_OC_READ : MSB_OC_WRITE;
msb->flags |= MSB_FLAG_IDA;
- msb->data_addr = (u64)virt_to_phys(aidaw);
+ msb->data_addr = virt_to_dma64(aidaw);
rq_for_each_segment(bv, req, iter) {
WARN_ON(bv.bv_offset);
msb->blk_count += bv.bv_len >> 12;
- aidaw->data_addr = virt_to_phys(page_address(bv.bv_page));
+ aidaw->data_addr = virt_to_dma64(page_address(bv.bv_page));
aidaw++;
}
@@ -435,10 +435,17 @@ static const struct blk_mq_ops scm_mq_ops = {
int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
{
- unsigned int devindex, nr_max_blk;
+ struct queue_limits lim = {
+ .logical_block_size = 1 << 12,
+ };
+ unsigned int devindex;
struct request_queue *rq;
int len, ret;
+ lim.max_segments = min(scmdev->nr_max_block,
+ (unsigned int) (PAGE_SIZE / sizeof(struct aidaw)));
+ lim.max_hw_sectors = lim.max_segments << 3; /* 8 * 512 = blk_size */
+
devindex = atomic_inc_return(&nr_devices) - 1;
/* scma..scmz + scmaa..scmzz */
if (devindex > 701) {
@@ -462,18 +469,12 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
if (ret)
goto out;
- bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, scmdev);
+ bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, &lim, scmdev);
if (IS_ERR(bdev->gendisk)) {
ret = PTR_ERR(bdev->gendisk);
goto out_tag;
}
rq = bdev->rq = bdev->gendisk->queue;
- nr_max_blk = min(scmdev->nr_max_block,
- (unsigned int) (PAGE_SIZE / sizeof(struct aidaw)));
-
- blk_queue_logical_block_size(rq, 1 << 12);
- blk_queue_max_hw_sectors(rq, nr_max_blk << 3); /* 8 * 512 = blk_size */
- blk_queue_max_segments(rq, nr_max_blk);
blk_queue_flag_set(QUEUE_FLAG_NONROT, rq);
blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, rq);
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-22 17:52:18 +0000