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scsi: use per-cpu buffer for formatting sense

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Convert sense buffer logging to use the per-cpu buffer to avoid line
breakup.

Tested-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke
2015-01-08 07:43:46 +01:00
committed by Christoph Hellwig
parent cbba5b0ee4
commit 2104551969
4 changed files with 161 additions and 125 deletions
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107
drivers/scsi/constants.c
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@@ -1246,113 +1246,6 @@ scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
}
EXPORT_SYMBOL(scsi_extd_sense_format);
void
scsi_show_extd_sense(const struct scsi_device *sdev, const char *name,
unsigned char asc, unsigned char ascq)
{
const char *extd_sense_fmt = NULL;
const char *extd_sense_str = scsi_extd_sense_format(asc, ascq,
&extd_sense_fmt);
if (extd_sense_str) {
if (extd_sense_fmt)
sdev_prefix_printk(KERN_INFO, sdev, name,
"Add. Sense: %s (%s%x)",
extd_sense_str, extd_sense_fmt,
ascq);
else
sdev_prefix_printk(KERN_INFO, sdev, name,
"Add. Sense: %s", extd_sense_str);
} else {
sdev_prefix_printk(KERN_INFO, sdev, name,
"%sASC=0x%x %sASCQ=0x%x\n",
asc >= 0x80 ? "<<vendor>> " : "", asc,
ascq >= 0x80 ? "<<vendor>> " : "", ascq);
}
}
EXPORT_SYMBOL(scsi_show_extd_sense);
void
scsi_show_sense_hdr(const struct scsi_device *sdev, const char *name,
const struct scsi_sense_hdr *sshdr)
{
const char *sense_txt;
sense_txt = scsi_sense_key_string(sshdr->sense_key);
if (sense_txt)
sdev_prefix_printk(KERN_INFO, sdev, name,
"Sense Key : %s [%s]%s\n", sense_txt,
scsi_sense_is_deferred(sshdr) ?
"deferred" : "current",
sshdr->response_code >= 0x72 ?
" [descriptor]" : "");
else
sdev_prefix_printk(KERN_INFO, sdev, name,
"Sense Key : 0x%x [%s]%s", sshdr->sense_key,
scsi_sense_is_deferred(sshdr) ?
"deferred" : "current",
sshdr->response_code >= 0x72 ?
" [descriptor]" : "");
}
EXPORT_SYMBOL(scsi_show_sense_hdr);
/*
* Print normalized SCSI sense header with a prefix.
*/
void
scsi_print_sense_hdr(const struct scsi_device *sdev, const char *name,
const struct scsi_sense_hdr *sshdr)
{
scsi_show_sense_hdr(sdev, name, sshdr);
scsi_show_extd_sense(sdev, name, sshdr->asc, sshdr->ascq);
}
EXPORT_SYMBOL(scsi_print_sense_hdr);
static void
scsi_dump_sense_buffer(const unsigned char *sense_buffer, int sense_len)
{
int k, num;
num = (sense_len < 32) ? sense_len : 32;
printk("Unrecognized sense data (in hex):");
for (k = 0; k < num; ++k) {
if (0 == (k % 16)) {
printk("\n");
printk(KERN_INFO " ");
}
printk("%02x ", sense_buffer[k]);
}
printk("\n");
return;
}
/* Normalize and print sense buffer with name prefix */
void __scsi_print_sense(const struct scsi_device *sdev, const char *name,
const unsigned char *sense_buffer, int sense_len)
{
struct scsi_sense_hdr sshdr;
if (!scsi_normalize_sense(sense_buffer, sense_len, &sshdr)) {
scsi_dump_sense_buffer(sense_buffer, sense_len);
return;
}
scsi_show_sense_hdr(sdev, name, &sshdr);
scsi_show_extd_sense(sdev, name, sshdr.asc, sshdr.ascq);
}
EXPORT_SYMBOL(__scsi_print_sense);
/* Normalize and print sense buffer in SCSI command */
void scsi_print_sense(const struct scsi_cmnd *cmd)
{
struct gendisk *disk = cmd->request->rq_disk;
const char *disk_name = disk ? disk->disk_name : NULL;
__scsi_print_sense(cmd->device, disk_name, cmd->sense_buffer,
SCSI_SENSE_BUFFERSIZE);
}
EXPORT_SYMBOL(scsi_print_sense);
#ifdef CONFIG_SCSI_CONSTANTS
static const char * const hostbyte_table[]={