freebsd-dev/sys/cam/ctl/ctl_scsi_all.c
Alexander Motin 218d5d4be2 Implement more functional CTL debug logging.
Setting bits in kern.cam.ctl.debug allows to log errors, commands and some
commands data respectively.

MFC after:	1 week
2014-10-16 08:42:17 +00:00

206 lines
5.1 KiB
C

/*-
* Implementation of Utility functions for all SCSI device types.
*
* Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
* Copyright (c) 1997, 1998, 2003 Kenneth D. Merry.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_scsi_all.c#2 $
*/
#include <sys/param.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#ifdef _KERNEL
#include <sys/systm.h>
#include <sys/libkern.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#else
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#endif
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_queue.h>
#include <cam/cam_xpt.h>
#include <cam/scsi/scsi_all.h>
#include <cam/ctl/ctl_io.h>
#include <cam/ctl/ctl_scsi_all.h>
#include <sys/sbuf.h>
#ifndef _KERNEL
#include <camlib.h>
#endif
const char *
ctl_scsi_status_string(struct ctl_scsiio *ctsio)
{
switch(ctsio->scsi_status) {
case SCSI_STATUS_OK:
return("OK");
case SCSI_STATUS_CHECK_COND:
return("Check Condition");
case SCSI_STATUS_BUSY:
return("Busy");
case SCSI_STATUS_INTERMED:
return("Intermediate");
case SCSI_STATUS_INTERMED_COND_MET:
return("Intermediate-Condition Met");
case SCSI_STATUS_RESERV_CONFLICT:
return("Reservation Conflict");
case SCSI_STATUS_CMD_TERMINATED:
return("Command Terminated");
case SCSI_STATUS_QUEUE_FULL:
return("Queue Full");
case SCSI_STATUS_ACA_ACTIVE:
return("ACA Active");
case SCSI_STATUS_TASK_ABORTED:
return("Task Aborted");
default: {
static char unkstr[64];
snprintf(unkstr, sizeof(unkstr), "Unknown %#x",
ctsio->scsi_status);
return(unkstr);
}
}
}
/*
* scsi_command_string() returns 0 for success and -1 for failure.
*/
int
ctl_scsi_command_string(struct ctl_scsiio *ctsio,
struct scsi_inquiry_data *inq_data, struct sbuf *sb)
{
char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
sbuf_printf(sb, "%s. CDB: %s",
scsi_op_desc(ctsio->cdb[0], inq_data),
scsi_cdb_string(ctsio->cdb, cdb_str, sizeof(cdb_str)));
return(0);
}
void
ctl_scsi_path_string(union ctl_io *io, char *path_str, int len)
{
snprintf(path_str, len, "(%u:%u:%u/%u): ",
io->io_hdr.nexus.initid.id, io->io_hdr.nexus.targ_port,
io->io_hdr.nexus.targ_lun, io->io_hdr.nexus.targ_mapped_lun);
}
/*
* ctl_scsi_sense_sbuf() returns 0 for success and -1 for failure.
*/
int
ctl_scsi_sense_sbuf(struct ctl_scsiio *ctsio,
struct scsi_inquiry_data *inq_data, struct sbuf *sb,
scsi_sense_string_flags flags)
{
char path_str[64];
if ((ctsio == NULL) || (sb == NULL))
return(-1);
ctl_scsi_path_string((union ctl_io *)ctsio, path_str, sizeof(path_str));
if (flags & SSS_FLAG_PRINT_COMMAND) {
sbuf_cat(sb, path_str);
ctl_scsi_command_string(ctsio, inq_data, sb);
sbuf_printf(sb, "\n");
}
scsi_sense_only_sbuf(&ctsio->sense_data, ctsio->sense_len, sb,
path_str, inq_data, ctsio->cdb, ctsio->cdb_len);
return(0);
}
char *
ctl_scsi_sense_string(struct ctl_scsiio *ctsio,
struct scsi_inquiry_data *inq_data, char *str,
int str_len)
{
struct sbuf sb;
sbuf_new(&sb, str, str_len, 0);
ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
sbuf_finish(&sb);
return(sbuf_data(&sb));
}
#ifdef _KERNEL
void
ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
struct scsi_inquiry_data *inq_data)
{
struct sbuf sb;
char str[512];
sbuf_new(&sb, str, sizeof(str), 0);
ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
sbuf_finish(&sb);
printf("%s", sbuf_data(&sb));
}
#else /* _KERNEL */
void
ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
struct scsi_inquiry_data *inq_data, FILE *ofile)
{
struct sbuf sb;
char str[512];
if ((ctsio == NULL) || (ofile == NULL))
return;
sbuf_new(&sb, str, sizeof(str), 0);
ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
sbuf_finish(&sb);
fprintf(ofile, "%s", sbuf_data(&sb));
}
#endif /* _KERNEL */