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[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>
This commit is contained in:
Martin Schwidefsky
Heiko Carstens
parent
9e74a6b898
commit
ca68305bf3
@ -289,22 +289,8 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
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rc = add_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1);
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switch (rc) {
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case 0:
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break;
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case -ENOSPC:
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PRINT_WARN("segment_load: not loading segment %s - overlaps "
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"storage/segment\n", name);
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if (rc)
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goto out_free;
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case -ERANGE:
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PRINT_WARN("segment_load: not loading segment %s - exceeds "
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"kernel mapping range\n", name);
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goto out_free;
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default:
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PRINT_WARN("segment_load: not loading segment %s (rc: %d)\n",
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name, rc);
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goto out_free;
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}
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seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL);
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if (seg->res == NULL) {
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@ -582,8 +568,59 @@ out:
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mutex_unlock(&dcss_lock);
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}
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/*
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* print appropriate error message for segment_load()/segment_type()
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* return code
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*/
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void segment_warning(int rc, char *seg_name)
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{
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switch (rc) {
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case -ENOENT:
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PRINT_WARN("cannot load/query segment %s, "
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"does not exist\n", seg_name);
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break;
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case -ENOSYS:
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PRINT_WARN("cannot load/query segment %s, "
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"not running on VM\n", seg_name);
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break;
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case -EIO:
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PRINT_WARN("cannot load/query segment %s, "
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"hardware error\n", seg_name);
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break;
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case -ENOTSUPP:
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PRINT_WARN("cannot load/query segment %s, "
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"is a multi-part segment\n", seg_name);
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break;
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case -ENOSPC:
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PRINT_WARN("cannot load/query segment %s, "
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"overlaps with storage\n", seg_name);
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break;
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case -EBUSY:
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PRINT_WARN("cannot load/query segment %s, "
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"overlaps with already loaded dcss\n", seg_name);
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break;
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case -EPERM:
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PRINT_WARN("cannot load/query segment %s, "
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"already loaded in incompatible mode\n", seg_name);
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break;
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case -ENOMEM:
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PRINT_WARN("cannot load/query segment %s, "
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"out of memory\n", seg_name);
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break;
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case -ERANGE:
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PRINT_WARN("cannot load/query segment %s, "
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"exceeds kernel mapping range\n", seg_name);
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break;
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default:
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PRINT_WARN("cannot load/query segment %s, "
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"return value %i\n", seg_name, rc);
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break;
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}
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}
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EXPORT_SYMBOL(segment_load);
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EXPORT_SYMBOL(segment_unload);
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EXPORT_SYMBOL(segment_save);
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EXPORT_SYMBOL(segment_type);
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EXPORT_SYMBOL(segment_modify_shared);
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EXPORT_SYMBOL(segment_warning);
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@ -142,57 +142,6 @@ dcssblk_get_device_by_name(char *name)
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return NULL;
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}
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/*
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* print appropriate error message for segment_load()/segment_type()
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* return code
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*/
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static void
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dcssblk_segment_warn(int rc, char* seg_name)
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{
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switch (rc) {
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case -ENOENT:
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PRINT_WARN("cannot load/query segment %s, does not exist\n",
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seg_name);
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break;
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case -ENOSYS:
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PRINT_WARN("cannot load/query segment %s, not running on VM\n",
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seg_name);
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break;
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case -EIO:
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PRINT_WARN("cannot load/query segment %s, hardware error\n",
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seg_name);
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break;
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case -ENOTSUPP:
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PRINT_WARN("cannot load/query segment %s, is a multi-part "
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"segment\n", seg_name);
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break;
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case -ENOSPC:
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PRINT_WARN("cannot load/query segment %s, overlaps with "
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"storage\n", seg_name);
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break;
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case -EBUSY:
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PRINT_WARN("cannot load/query segment %s, overlaps with "
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"already loaded dcss\n", seg_name);
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break;
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case -EPERM:
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PRINT_WARN("cannot load/query segment %s, already loaded in "
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"incompatible mode\n", seg_name);
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break;
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case -ENOMEM:
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PRINT_WARN("cannot load/query segment %s, out of memory\n",
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seg_name);
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break;
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case -ERANGE:
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PRINT_WARN("cannot load/query segment %s, exceeds kernel "
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"mapping range\n", seg_name);
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break;
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default:
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PRINT_WARN("cannot load/query segment %s, return value %i\n",
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seg_name, rc);
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break;
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}
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}
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static void dcssblk_unregister_callback(struct device *dev)
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{
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device_unregister(dev);
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@ -423,7 +372,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
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rc = segment_load(local_buf, SEGMENT_SHARED,
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&dev_info->start, &dev_info->end);
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if (rc < 0) {
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dcssblk_segment_warn(rc, dev_info->segment_name);
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segment_warning(rc, dev_info->segment_name);
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goto dealloc_gendisk;
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}
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seg_byte_size = (dev_info->end - dev_info->start + 1);
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@ -111,56 +111,6 @@ static void dcss_mkname(char *ascii_name, char *ebcdic_name)
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ASCEBC(ebcdic_name, 8);
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}
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/*
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* print appropriate error message for segment_load()/segment_type()
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* return code
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*/
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static void mon_segment_warn(int rc, char* seg_name)
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{
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switch (rc) {
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case -ENOENT:
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P_WARNING("cannot load/query segment %s, does not exist\n",
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seg_name);
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break;
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case -ENOSYS:
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P_WARNING("cannot load/query segment %s, not running on VM\n",
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seg_name);
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break;
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case -EIO:
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P_WARNING("cannot load/query segment %s, hardware error\n",
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seg_name);
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break;
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case -ENOTSUPP:
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P_WARNING("cannot load/query segment %s, is a multi-part "
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"segment\n", seg_name);
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break;
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case -ENOSPC:
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P_WARNING("cannot load/query segment %s, overlaps with "
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"storage\n", seg_name);
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break;
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case -EBUSY:
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P_WARNING("cannot load/query segment %s, overlaps with "
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"already loaded dcss\n", seg_name);
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break;
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case -EPERM:
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P_WARNING("cannot load/query segment %s, already loaded in "
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"incompatible mode\n", seg_name);
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break;
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case -ENOMEM:
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P_WARNING("cannot load/query segment %s, out of memory\n",
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seg_name);
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break;
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case -ERANGE:
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P_WARNING("cannot load/query segment %s, exceeds kernel "
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"mapping range\n", seg_name);
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break;
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default:
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P_WARNING("cannot load/query segment %s, return value %i\n",
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seg_name, rc);
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break;
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}
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}
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static inline unsigned long mon_mca_start(struct mon_msg *monmsg)
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{
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return *(u32 *) &monmsg->msg.rmmsg;
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@ -585,7 +535,7 @@ static int __init mon_init(void)
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rc = segment_type(mon_dcss_name);
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if (rc < 0) {
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mon_segment_warn(rc, mon_dcss_name);
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segment_warning(rc, mon_dcss_name);
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goto out_iucv;
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}
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if (rc != SEG_TYPE_SC) {
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@ -598,7 +548,7 @@ static int __init mon_init(void)
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rc = segment_load(mon_dcss_name, SEGMENT_SHARED,
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&mon_dcss_start, &mon_dcss_end);
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if (rc < 0) {
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mon_segment_warn(rc, mon_dcss_name);
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segment_warning(rc, mon_dcss_name);
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rc = -EINVAL;
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goto out_iucv;
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}
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@ -22,11 +22,12 @@
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#define SEGMENT_SHARED 0
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#define SEGMENT_EXCLUSIVE 1
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extern int segment_load (char *name,int segtype,unsigned long *addr,unsigned long *length);
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extern void segment_unload(char *name);
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extern void segment_save(char *name);
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extern int segment_type (char* name);
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extern int segment_modify_shared (char *name, int do_nonshared);
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int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
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void segment_unload(char *name);
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void segment_save(char *name);
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int segment_type (char* name);
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int segment_modify_shared (char *name, int do_nonshared);
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void segment_warning(int rc, char *seg_name);
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#endif
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#endif
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