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