[S390] Remove code duplication from monreader / dcssblk.
Move the function that prints the segment warning messages found in the
monreader driver and the dcssblk driver to the extmem base code.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 880b0eb..ed2af0a 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -289,22 +289,8 @@
rc = add_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1);
- switch (rc) {
- case 0:
- break;
- case -ENOSPC:
- PRINT_WARN("segment_load: not loading segment %s - overlaps "
- "storage/segment\n", name);
+ if (rc)
goto out_free;
- case -ERANGE:
- PRINT_WARN("segment_load: not loading segment %s - exceeds "
- "kernel mapping range\n", name);
- goto out_free;
- default:
- PRINT_WARN("segment_load: not loading segment %s (rc: %d)\n",
- name, rc);
- goto out_free;
- }
seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (seg->res == NULL) {
@@ -582,8 +568,59 @@
mutex_unlock(&dcss_lock);
}
+/*
+ * print appropriate error message for segment_load()/segment_type()
+ * return code
+ */
+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);
+ break;
+ case -ENOSYS:
+ PRINT_WARN("cannot load/query segment %s, "
+ "not running on VM\n", seg_name);
+ break;
+ case -EIO:
+ PRINT_WARN("cannot load/query segment %s, "
+ "hardware error\n", seg_name);
+ break;
+ case -ENOTSUPP:
+ PRINT_WARN("cannot load/query segment %s, "
+ "is a multi-part segment\n", seg_name);
+ break;
+ case -ENOSPC:
+ PRINT_WARN("cannot load/query segment %s, "
+ "overlaps with storage\n", seg_name);
+ break;
+ case -EBUSY:
+ PRINT_WARN("cannot load/query segment %s, "
+ "overlaps with already loaded dcss\n", seg_name);
+ break;
+ case -EPERM:
+ PRINT_WARN("cannot load/query segment %s, "
+ "already loaded in incompatible mode\n", seg_name);
+ break;
+ case -ENOMEM:
+ PRINT_WARN("cannot load/query segment %s, "
+ "out of memory\n", seg_name);
+ break;
+ case -ERANGE:
+ PRINT_WARN("cannot load/query segment %s, "
+ "exceeds kernel mapping range\n", seg_name);
+ break;
+ default:
+ PRINT_WARN("cannot load/query segment %s, "
+ "return value %i\n", seg_name, rc);
+ break;
+ }
+}
+
EXPORT_SYMBOL(segment_load);
EXPORT_SYMBOL(segment_unload);
EXPORT_SYMBOL(segment_save);
EXPORT_SYMBOL(segment_type);
EXPORT_SYMBOL(segment_modify_shared);
+EXPORT_SYMBOL(segment_warning);
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index e6c94db..04787ea 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -142,57 +142,6 @@
return NULL;
}
-/*
- * print appropriate error message for segment_load()/segment_type()
- * return code
- */
-static void
-dcssblk_segment_warn(int rc, char* seg_name)
-{
- switch (rc) {
- case -ENOENT:
- PRINT_WARN("cannot load/query segment %s, does not exist\n",
- seg_name);
- break;
- case -ENOSYS:
- PRINT_WARN("cannot load/query segment %s, not running on VM\n",
- seg_name);
- break;
- case -EIO:
- PRINT_WARN("cannot load/query segment %s, hardware error\n",
- seg_name);
- break;
- case -ENOTSUPP:
- PRINT_WARN("cannot load/query segment %s, is a multi-part "
- "segment\n", seg_name);
- break;
- case -ENOSPC:
- PRINT_WARN("cannot load/query segment %s, overlaps with "
- "storage\n", seg_name);
- break;
- case -EBUSY:
- PRINT_WARN("cannot load/query segment %s, overlaps with "
- "already loaded dcss\n", seg_name);
- break;
- case -EPERM:
- PRINT_WARN("cannot load/query segment %s, already loaded in "
- "incompatible mode\n", seg_name);
- break;
- case -ENOMEM:
- PRINT_WARN("cannot load/query segment %s, out of memory\n",
- seg_name);
- break;
- case -ERANGE:
- PRINT_WARN("cannot load/query segment %s, exceeds kernel "
- "mapping range\n", seg_name);
- break;
- default:
- PRINT_WARN("cannot load/query segment %s, return value %i\n",
- seg_name, rc);
- break;
- }
-}
-
static void dcssblk_unregister_callback(struct device *dev)
{
device_unregister(dev);
@@ -423,7 +372,7 @@
rc = segment_load(local_buf, SEGMENT_SHARED,
&dev_info->start, &dev_info->end);
if (rc < 0) {
- dcssblk_segment_warn(rc, dev_info->segment_name);
+ segment_warning(rc, dev_info->segment_name);
goto dealloc_gendisk;
}
seg_byte_size = (dev_info->end - dev_info->start + 1);
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index 67009bf..1e1f506 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -111,56 +111,6 @@
ASCEBC(ebcdic_name, 8);
}
-/*
- * print appropriate error message for segment_load()/segment_type()
- * return code
- */
-static void mon_segment_warn(int rc, char* seg_name)
-{
- switch (rc) {
- case -ENOENT:
- P_WARNING("cannot load/query segment %s, does not exist\n",
- seg_name);
- break;
- case -ENOSYS:
- P_WARNING("cannot load/query segment %s, not running on VM\n",
- seg_name);
- break;
- case -EIO:
- P_WARNING("cannot load/query segment %s, hardware error\n",
- seg_name);
- break;
- case -ENOTSUPP:
- P_WARNING("cannot load/query segment %s, is a multi-part "
- "segment\n", seg_name);
- break;
- case -ENOSPC:
- P_WARNING("cannot load/query segment %s, overlaps with "
- "storage\n", seg_name);
- break;
- case -EBUSY:
- P_WARNING("cannot load/query segment %s, overlaps with "
- "already loaded dcss\n", seg_name);
- break;
- case -EPERM:
- P_WARNING("cannot load/query segment %s, already loaded in "
- "incompatible mode\n", seg_name);
- break;
- case -ENOMEM:
- P_WARNING("cannot load/query segment %s, out of memory\n",
- seg_name);
- break;
- case -ERANGE:
- P_WARNING("cannot load/query segment %s, exceeds kernel "
- "mapping range\n", seg_name);
- break;
- default:
- P_WARNING("cannot load/query segment %s, return value %i\n",
- seg_name, rc);
- break;
- }
-}
-
static inline unsigned long mon_mca_start(struct mon_msg *monmsg)
{
return *(u32 *) &monmsg->msg.rmmsg;
@@ -585,7 +535,7 @@
rc = segment_type(mon_dcss_name);
if (rc < 0) {
- mon_segment_warn(rc, mon_dcss_name);
+ segment_warning(rc, mon_dcss_name);
goto out_iucv;
}
if (rc != SEG_TYPE_SC) {
@@ -598,7 +548,7 @@
rc = segment_load(mon_dcss_name, SEGMENT_SHARED,
&mon_dcss_start, &mon_dcss_end);
if (rc < 0) {
- mon_segment_warn(rc, mon_dcss_name);
+ segment_warning(rc, mon_dcss_name);
rc = -EINVAL;
goto out_iucv;
}
diff --git a/include/asm-s390/extmem.h b/include/asm-s390/extmem.h
index c8802c9..33837d7 100644
--- a/include/asm-s390/extmem.h
+++ b/include/asm-s390/extmem.h
@@ -22,11 +22,12 @@
#define SEGMENT_SHARED 0
#define SEGMENT_EXCLUSIVE 1
-extern int segment_load (char *name,int segtype,unsigned long *addr,unsigned long *length);
-extern void segment_unload(char *name);
-extern void segment_save(char *name);
-extern int segment_type (char* name);
-extern int segment_modify_shared (char *name, int do_nonshared);
+int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
+void segment_unload(char *name);
+void segment_save(char *name);
+int segment_type (char* name);
+int segment_modify_shared (char *name, int do_nonshared);
+void segment_warning(int rc, char *seg_name);
#endif
#endif
