[S390] convert dcssblk and extmem printks messages to pr_xxx macros.
Signed-off-by: Hongjie Yang <hongjie@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Hongjie Yang
Martin Schwidefsky
Родитель
1519c0c6eb
Коммит
93098bf015
|
|
@ -7,6 +7,9 @@
|
|||
* (C) IBM Corporation 2002-2004
|
||||
*/
|
||||
|
||||
#define KMSG_COMPONENT "extmem"
|
||||
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
|
@ -24,19 +27,6 @@
|
|||
#include <asm/cpcmd.h>
|
||||
#include <asm/setup.h>
|
||||
|
||||
#define DCSS_DEBUG /* Debug messages on/off */
|
||||
|
||||
#define DCSS_NAME "extmem"
|
||||
#ifdef DCSS_DEBUG
|
||||
#define PRINT_DEBUG(x...) printk(KERN_DEBUG DCSS_NAME " debug:" x)
|
||||
#else
|
||||
#define PRINT_DEBUG(x...) do {} while (0)
|
||||
#endif
|
||||
#define PRINT_INFO(x...) printk(KERN_INFO DCSS_NAME " info:" x)
|
||||
#define PRINT_WARN(x...) printk(KERN_WARNING DCSS_NAME " warning:" x)
|
||||
#define PRINT_ERR(x...) printk(KERN_ERR DCSS_NAME " error:" x)
|
||||
|
||||
|
||||
#define DCSS_LOADSHR 0x00
|
||||
#define DCSS_LOADNSR 0x04
|
||||
#define DCSS_PURGESEG 0x08
|
||||
|
|
@ -286,7 +276,7 @@ query_segment_type (struct dcss_segment *seg)
|
|||
goto out_free;
|
||||
}
|
||||
if (diag_cc > 1) {
|
||||
PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc);
|
||||
pr_warning("Querying a DCSS type failed with rc=%ld\n", vmrc);
|
||||
rc = dcss_diag_translate_rc (vmrc);
|
||||
goto out_free;
|
||||
}
|
||||
|
|
@ -368,7 +358,6 @@ query_segment_type (struct dcss_segment *seg)
|
|||
* -EIO : could not perform query diagnose
|
||||
* -ENOENT : no such segment
|
||||
* -ENOTSUPP: multi-part segment cannot be used with linux
|
||||
* -ENOSPC : segment cannot be used (overlaps with storage)
|
||||
* -ENOMEM : out of memory
|
||||
* 0 .. 6 : type of segment as defined in include/asm-s390/extmem.h
|
||||
*/
|
||||
|
|
@ -480,9 +469,8 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
|
|||
goto out_resource;
|
||||
}
|
||||
if (diag_cc > 1) {
|
||||
PRINT_WARN ("segment_load: could not load segment %s - "
|
||||
"diag returned error (%ld)\n",
|
||||
name, end_addr);
|
||||
pr_warning("Loading DCSS %s failed with rc=%ld\n", name,
|
||||
end_addr);
|
||||
rc = dcss_diag_translate_rc(end_addr);
|
||||
dcss_diag(&purgeseg_scode, seg->dcss_name,
|
||||
&dummy, &dummy);
|
||||
|
|
@ -496,15 +484,13 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
|
|||
*addr = seg->start_addr;
|
||||
*end = seg->end;
|
||||
if (do_nonshared)
|
||||
PRINT_INFO ("segment_load: loaded segment %s range %p .. %p "
|
||||
"type %s in non-shared mode\n", name,
|
||||
(void*)seg->start_addr, (void*)seg->end,
|
||||
segtype_string[seg->vm_segtype]);
|
||||
pr_info("DCSS %s of range %p to %p and type %s loaded as "
|
||||
"exclusive-writable\n", name, (void*) seg->start_addr,
|
||||
(void*) seg->end, segtype_string[seg->vm_segtype]);
|
||||
else {
|
||||
PRINT_INFO ("segment_load: loaded segment %s range %p .. %p "
|
||||
"type %s in shared mode\n", name,
|
||||
(void*)seg->start_addr, (void*)seg->end,
|
||||
segtype_string[seg->vm_segtype]);
|
||||
pr_info("DCSS %s of range %p to %p and type %s loaded in "
|
||||
"shared access mode\n", name, (void*) seg->start_addr,
|
||||
(void*) seg->end, segtype_string[seg->vm_segtype]);
|
||||
}
|
||||
goto out;
|
||||
out_resource:
|
||||
|
|
@ -593,14 +579,14 @@ segment_modify_shared (char *name, int do_nonshared)
|
|||
goto out_unlock;
|
||||
}
|
||||
if (do_nonshared == seg->do_nonshared) {
|
||||
PRINT_INFO ("segment_modify_shared: not reloading segment %s"
|
||||
" - already in requested mode\n",name);
|
||||
pr_info("DCSS %s is already in the requested access "
|
||||
"mode\n", name);
|
||||
rc = 0;
|
||||
goto out_unlock;
|
||||
}
|
||||
if (atomic_read (&seg->ref_count) != 1) {
|
||||
PRINT_WARN ("segment_modify_shared: not reloading segment %s - "
|
||||
"segment is in use by other driver(s)\n",name);
|
||||
pr_warning("DCSS %s is in use and cannot be reloaded\n",
|
||||
name);
|
||||
rc = -EAGAIN;
|
||||
goto out_unlock;
|
||||
}
|
||||
|
|
@ -613,8 +599,8 @@ segment_modify_shared (char *name, int do_nonshared)
|
|||
seg->res->flags |= IORESOURCE_READONLY;
|
||||
|
||||
if (request_resource(&iomem_resource, seg->res)) {
|
||||
PRINT_WARN("segment_modify_shared: could not reload segment %s"
|
||||
" - overlapping resources\n", name);
|
||||
pr_warning("DCSS %s overlaps with used memory resources "
|
||||
"and cannot be reloaded\n", name);
|
||||
rc = -EBUSY;
|
||||
kfree(seg->res);
|
||||
goto out_del_mem;
|
||||
|
|
@ -632,9 +618,8 @@ segment_modify_shared (char *name, int do_nonshared)
|
|||
goto out_del_res;
|
||||
}
|
||||
if (diag_cc > 1) {
|
||||
PRINT_WARN ("segment_modify_shared: could not reload segment %s"
|
||||
" - diag returned error (%ld)\n",
|
||||
name, end_addr);
|
||||
pr_warning("Reloading DCSS %s failed with rc=%ld\n", name,
|
||||
end_addr);
|
||||
rc = dcss_diag_translate_rc(end_addr);
|
||||
goto out_del_res;
|
||||
}
|
||||
|
|
@ -673,8 +658,7 @@ segment_unload(char *name)
|
|||
mutex_lock(&dcss_lock);
|
||||
seg = segment_by_name (name);
|
||||
if (seg == NULL) {
|
||||
PRINT_ERR ("could not find segment %s in segment_unload, "
|
||||
"please report to linux390@de.ibm.com\n",name);
|
||||
pr_err("Unloading unknown DCSS %s failed\n", name);
|
||||
goto out_unlock;
|
||||
}
|
||||
if (atomic_dec_return(&seg->ref_count) != 0)
|
||||
|
|
@ -709,8 +693,7 @@ segment_save(char *name)
|
|||
seg = segment_by_name (name);
|
||||
|
||||
if (seg == NULL) {
|
||||
PRINT_ERR("could not find segment %s in segment_save, please "
|
||||
"report to linux390@de.ibm.com\n", name);
|
||||
pr_err("Saving unknown DCSS %s failed\n", name);
|
||||
goto out;
|
||||
}
|
||||
|
||||
|
|
@ -727,14 +710,14 @@ segment_save(char *name)
|
|||
response = 0;
|
||||
cpcmd(cmd1, NULL, 0, &response);
|
||||
if (response) {
|
||||
PRINT_ERR("segment_save: DEFSEG failed with response code %i\n",
|
||||
response);
|
||||
pr_err("Saving a DCSS failed with DEFSEG response code "
|
||||
"%i\n", response);
|
||||
goto out;
|
||||
}
|
||||
cpcmd(cmd2, NULL, 0, &response);
|
||||
if (response) {
|
||||
PRINT_ERR("segment_save: SAVESEG failed with response code %i\n",
|
||||
response);
|
||||
pr_err("Saving a DCSS failed with SAVESEG response code "
|
||||
"%i\n", response);
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
|
|
@ -749,44 +732,41 @@ void segment_warning(int rc, char *seg_name)
|
|||
{
|
||||
switch (rc) {
|
||||
case -ENOENT:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"does not exist\n", seg_name);
|
||||
pr_err("DCSS %s cannot be loaded or queried\n", seg_name);
|
||||
break;
|
||||
case -ENOSYS:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"not running on VM\n", seg_name);
|
||||
pr_err("DCSS %s cannot be loaded or queried without "
|
||||
"z/VM\n", seg_name);
|
||||
break;
|
||||
case -EIO:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"hardware error\n", seg_name);
|
||||
pr_err("Loading or querying DCSS %s resulted in a "
|
||||
"hardware error\n", seg_name);
|
||||
break;
|
||||
case -ENOTSUPP:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"is a multi-part segment\n", seg_name);
|
||||
pr_err("DCSS %s has multiple page ranges and cannot be "
|
||||
"loaded or queried\n", seg_name);
|
||||
break;
|
||||
case -ENOSPC:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"overlaps with storage\n", seg_name);
|
||||
pr_err("DCSS %s overlaps with used storage and cannot "
|
||||
"be loaded\n", seg_name);
|
||||
break;
|
||||
case -EBUSY:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"overlaps with already loaded dcss\n", seg_name);
|
||||
pr_err("%s needs used memory resources and cannot be "
|
||||
"loaded or queried\n", seg_name);
|
||||
break;
|
||||
case -EPERM:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"already loaded in incompatible mode\n", seg_name);
|
||||
pr_err("DCSS %s is already loaded in a different access "
|
||||
"mode\n", seg_name);
|
||||
break;
|
||||
case -ENOMEM:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"out of memory\n", seg_name);
|
||||
pr_err("There is not enough memory to load or query "
|
||||
"DCSS %s\n", seg_name);
|
||||
break;
|
||||
case -ERANGE:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"exceeds kernel mapping range\n", seg_name);
|
||||
pr_err("DCSS %s exceeds the kernel mapping range (%lu) "
|
||||
"and cannot be loaded\n", seg_name, VMEM_MAX_PHYS);
|
||||
break;
|
||||
default:
|
||||
PRINT_WARN("cannot load/query segment %s, "
|
||||
"return value %i\n", seg_name, rc);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,6 +4,9 @@
|
|||
* Authors: Carsten Otte, Stefan Weinhuber, Gerald Schaefer
|
||||
*/
|
||||
|
||||
#define KMSG_COMPONENT "dcssblk"
|
||||
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/moduleparam.h>
|
||||
#include <linux/ctype.h>
|
||||
|
|
@ -17,21 +20,11 @@
|
|||
#include <linux/interrupt.h>
|
||||
#include <asm/s390_rdev.h>
|
||||
|
||||
//#define DCSSBLK_DEBUG /* Debug messages on/off */
|
||||
#define DCSSBLK_NAME "dcssblk"
|
||||
#define DCSSBLK_MINORS_PER_DISK 1
|
||||
#define DCSSBLK_PARM_LEN 400
|
||||
#define DCSS_BUS_ID_SIZE 20
|
||||
|
||||
#ifdef DCSSBLK_DEBUG
|
||||
#define PRINT_DEBUG(x...) printk(KERN_DEBUG DCSSBLK_NAME " debug: " x)
|
||||
#else
|
||||
#define PRINT_DEBUG(x...) do {} while (0)
|
||||
#endif
|
||||
#define PRINT_INFO(x...) printk(KERN_INFO DCSSBLK_NAME " info: " x)
|
||||
#define PRINT_WARN(x...) printk(KERN_WARNING DCSSBLK_NAME " warning: " x)
|
||||
#define PRINT_ERR(x...) printk(KERN_ERR DCSSBLK_NAME " error: " x)
|
||||
|
||||
static int dcssblk_open(struct block_device *bdev, fmode_t mode);
|
||||
static int dcssblk_release(struct gendisk *disk, fmode_t mode);
|
||||
static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
|
||||
|
|
@ -262,10 +255,9 @@ dcssblk_is_continuous(struct dcssblk_dev_info *dev_info)
|
|||
/* check continuity */
|
||||
for (i = 0; i < dev_info->num_of_segments - 1; i++) {
|
||||
if ((sort_list[i].end + 1) != sort_list[i+1].start) {
|
||||
PRINT_ERR("Segment %s is not contiguous with "
|
||||
"segment %s\n",
|
||||
sort_list[i].segment_name,
|
||||
sort_list[i+1].segment_name);
|
||||
pr_err("Adjacent DCSSs %s and %s are not "
|
||||
"contiguous\n", sort_list[i].segment_name,
|
||||
sort_list[i+1].segment_name);
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -276,10 +268,10 @@ dcssblk_is_continuous(struct dcssblk_dev_info *dev_info)
|
|||
!(sort_list[i+1].segment_type &
|
||||
SEGMENT_EXCLUSIVE) ||
|
||||
(sort_list[i+1].segment_type == SEG_TYPE_ER)) {
|
||||
PRINT_ERR("Segment %s has different type from "
|
||||
"segment %s\n",
|
||||
sort_list[i].segment_name,
|
||||
sort_list[i+1].segment_name);
|
||||
pr_err("DCSS %s and DCSS %s have "
|
||||
"incompatible types\n",
|
||||
sort_list[i].segment_name,
|
||||
sort_list[i+1].segment_name);
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -381,8 +373,9 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
|
|||
} else if (inbuf[0] == '0') {
|
||||
/* reload segments in exclusive mode */
|
||||
if (dev_info->segment_type == SEG_TYPE_SC) {
|
||||
PRINT_ERR("Segment type SC (%s) cannot be loaded in "
|
||||
"non-shared mode\n", dev_info->segment_name);
|
||||
pr_err("DCSS %s is of type SC and cannot be "
|
||||
"loaded as exclusive-writable\n",
|
||||
dev_info->segment_name);
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -405,9 +398,8 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
|
|||
goto out;
|
||||
|
||||
removeseg:
|
||||
PRINT_ERR("Could not reload segment(s) of the device %s, removing "
|
||||
"segment(s) now!\n",
|
||||
dev_info->segment_name);
|
||||
pr_err("DCSS device %s is removed after a failed access mode "
|
||||
"change\n", dev_info->segment_name);
|
||||
temp = entry;
|
||||
list_for_each_entry(entry, &dev_info->seg_list, lh) {
|
||||
if (entry != temp)
|
||||
|
|
@ -455,17 +447,17 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
|
|||
if (inbuf[0] == '1') {
|
||||
if (atomic_read(&dev_info->use_count) == 0) {
|
||||
// device is idle => we save immediately
|
||||
PRINT_INFO("Saving segment(s) of the device %s\n",
|
||||
dev_info->segment_name);
|
||||
pr_info("All DCSSs that map to device %s are "
|
||||
"saved\n", dev_info->segment_name);
|
||||
list_for_each_entry(entry, &dev_info->seg_list, lh) {
|
||||
segment_save(entry->segment_name);
|
||||
}
|
||||
} else {
|
||||
// device is busy => we save it when it becomes
|
||||
// idle in dcssblk_release
|
||||
PRINT_INFO("Device %s is currently busy, segment(s) "
|
||||
"will be saved when it becomes idle...\n",
|
||||
dev_info->segment_name);
|
||||
pr_info("Device %s is in use, its DCSSs will be "
|
||||
"saved when it becomes idle\n",
|
||||
dev_info->segment_name);
|
||||
dev_info->save_pending = 1;
|
||||
}
|
||||
} else if (inbuf[0] == '0') {
|
||||
|
|
@ -473,9 +465,9 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
|
|||
// device is busy & the user wants to undo his save
|
||||
// request
|
||||
dev_info->save_pending = 0;
|
||||
PRINT_INFO("Pending save for segment(s) of the device "
|
||||
"%s deactivated\n",
|
||||
dev_info->segment_name);
|
||||
pr_info("A pending save request for device %s "
|
||||
"has been canceled\n",
|
||||
dev_info->segment_name);
|
||||
}
|
||||
} else {
|
||||
up_write(&dcssblk_devices_sem);
|
||||
|
|
@ -615,9 +607,8 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
|
|||
|
||||
seg_byte_size = (dev_info->end - dev_info->start + 1);
|
||||
set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors
|
||||
PRINT_INFO("Loaded segment(s) %s, size = %lu Byte, "
|
||||
"capacity = %lu (512 Byte) sectors\n", local_buf,
|
||||
seg_byte_size, seg_byte_size >> 9);
|
||||
pr_info("Loaded %s with total size %lu bytes and capacity %lu "
|
||||
"sectors\n", local_buf, seg_byte_size, seg_byte_size >> 9);
|
||||
|
||||
dev_info->save_pending = 0;
|
||||
dev_info->is_shared = 1;
|
||||
|
|
@ -745,13 +736,15 @@ dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const ch
|
|||
dev_info = dcssblk_get_device_by_name(local_buf);
|
||||
if (dev_info == NULL) {
|
||||
up_write(&dcssblk_devices_sem);
|
||||
PRINT_WARN("Device %s is not loaded!\n", local_buf);
|
||||
pr_warning("Device %s cannot be removed because it is not a "
|
||||
"known device\n", local_buf);
|
||||
rc = -ENODEV;
|
||||
goto out_buf;
|
||||
}
|
||||
if (atomic_read(&dev_info->use_count) != 0) {
|
||||
up_write(&dcssblk_devices_sem);
|
||||
PRINT_WARN("Device %s is in use!\n", local_buf);
|
||||
pr_warning("Device %s cannot be removed while it is in "
|
||||
"use\n", local_buf);
|
||||
rc = -EBUSY;
|
||||
goto out_buf;
|
||||
}
|
||||
|
|
@ -808,8 +801,8 @@ dcssblk_release(struct gendisk *disk, fmode_t mode)
|
|||
down_write(&dcssblk_devices_sem);
|
||||
if (atomic_dec_and_test(&dev_info->use_count)
|
||||
&& (dev_info->save_pending)) {
|
||||
PRINT_INFO("Device %s became idle and is being saved now\n",
|
||||
dev_info->segment_name);
|
||||
pr_info("Device %s has become idle and is being saved "
|
||||
"now\n", dev_info->segment_name);
|
||||
list_for_each_entry(entry, &dev_info->seg_list, lh) {
|
||||
segment_save(entry->segment_name);
|
||||
}
|
||||
|
|
@ -852,7 +845,8 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio)
|
|||
case SEG_TYPE_SC:
|
||||
/* cannot write to these segments */
|
||||
if (bio_data_dir(bio) == WRITE) {
|
||||
PRINT_WARN("rejecting write to ro device %s\n",
|
||||
pr_warning("Writing to %s failed because it "
|
||||
"is a read-only device\n",
|
||||
dev_name(&dev_info->dev));
|
||||
goto fail;
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче