ctl_scsi_all.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Implementation of Utility functions for all SCSI device types.
    5  *
    6  * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
    7  * Copyright (c) 1997, 1998, 2003 Kenneth D. Merry.
    8  * All rights reserved.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions, and the following disclaimer,
   15  *    without modification, immediately at the beginning of the file.
   16  * 2. The name of the author may not be used to endorse or promote products
   17  *    derived from this software without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_scsi_all.c#2 $
   32  */
   33 
   34 #include <sys/param.h>
   35 
   36 __FBSDID("$FreeBSD$");
   37 
   38 #include <sys/types.h>
   39 #ifdef _KERNEL
   40 #include <sys/systm.h>
   41 #include <sys/libkern.h>
   42 #include <sys/kernel.h>
   43 #include <sys/sysctl.h>
   44 #else
   45 #include <errno.h>
   46 #include <stdio.h>
   47 #include <stdlib.h>
   48 #include <string.h>
   49 #include <inttypes.h>
   50 #endif
   51 
   52 #include <cam/cam.h>
   53 #include <cam/cam_ccb.h>
   54 #include <cam/cam_queue.h>
   55 #include <cam/cam_xpt.h>
   56 #include <cam/scsi/scsi_all.h>
   57 
   58 #include <cam/ctl/ctl_io.h>
   59 #include <cam/ctl/ctl_scsi_all.h>
   60 #include <sys/sbuf.h>
   61 #ifndef _KERNEL
   62 #include <camlib.h>
   63 #endif
   64 
   65 const char *
   66 ctl_scsi_status_string(struct ctl_scsiio *ctsio)
   67 {
   68         switch(ctsio->scsi_status) {
   69         case SCSI_STATUS_OK:
   70                 return("OK");
   71         case SCSI_STATUS_CHECK_COND:
   72                 return("Check Condition");
   73         case SCSI_STATUS_BUSY:
   74                 return("Busy");
   75         case SCSI_STATUS_INTERMED:
   76                 return("Intermediate");
   77         case SCSI_STATUS_INTERMED_COND_MET:
   78                 return("Intermediate-Condition Met");
   79         case SCSI_STATUS_RESERV_CONFLICT:
   80                 return("Reservation Conflict");
   81         case SCSI_STATUS_CMD_TERMINATED:
   82                 return("Command Terminated");
   83         case SCSI_STATUS_QUEUE_FULL:
   84                 return("Queue Full");
   85         case SCSI_STATUS_ACA_ACTIVE:
   86                 return("ACA Active");
   87         case SCSI_STATUS_TASK_ABORTED:
   88                 return("Task Aborted");
   89         default: {
   90                 static char unkstr[64];
   91                 snprintf(unkstr, sizeof(unkstr), "Unknown %#x",
   92                          ctsio->scsi_status);
   93                 return(unkstr);
   94         }
   95         }
   96 }
   97 
   98 /*
   99  * scsi_command_string() returns 0 for success and -1 for failure.
  100  */
  101 int
  102 ctl_scsi_command_string(struct ctl_scsiio *ctsio,
  103                         struct scsi_inquiry_data *inq_data, struct sbuf *sb)
  104 {
  105         char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
  106 
  107         sbuf_printf(sb, "%s. CDB: %s",
  108                     scsi_op_desc(ctsio->cdb[0], inq_data),
  109                     scsi_cdb_string(ctsio->cdb, cdb_str, sizeof(cdb_str)));
  110 
  111         return(0);
  112 }
  113 
  114 void
  115 ctl_scsi_path_string(union ctl_io *io, char *path_str, int len)
  116 {
  117 
  118         snprintf(path_str, len, "(%u:%u:%u/%u): ",
  119             io->io_hdr.nexus.initid, io->io_hdr.nexus.targ_port,
  120             io->io_hdr.nexus.targ_lun, io->io_hdr.nexus.targ_mapped_lun);
  121 }
  122 
  123 /*
  124  * ctl_scsi_sense_sbuf() returns 0 for success and -1 for failure.
  125  */
  126 int
  127 ctl_scsi_sense_sbuf(struct ctl_scsiio *ctsio,
  128                     struct scsi_inquiry_data *inq_data, struct sbuf *sb,
  129                     scsi_sense_string_flags flags)
  130 {
  131         char      path_str[64];
  132 
  133         if ((ctsio == NULL) || (sb == NULL))
  134                 return(-1);
  135 
  136         ctl_scsi_path_string((union ctl_io *)ctsio, path_str, sizeof(path_str));
  137 
  138         if (flags & SSS_FLAG_PRINT_COMMAND) {
  139                 sbuf_cat(sb, path_str);
  140 
  141                 ctl_scsi_command_string(ctsio, inq_data, sb);
  142 
  143                 sbuf_printf(sb, "\n");
  144         }
  145 
  146         scsi_sense_only_sbuf(&ctsio->sense_data, ctsio->sense_len, sb,
  147                              path_str, inq_data, ctsio->cdb, ctsio->cdb_len);
  148 
  149         return(0);
  150 }
  151 
  152 char *
  153 ctl_scsi_sense_string(struct ctl_scsiio *ctsio,
  154                       struct scsi_inquiry_data *inq_data, char *str,
  155                       int str_len)
  156 {
  157         struct sbuf sb;
  158 
  159         sbuf_new(&sb, str, str_len, 0);
  160 
  161         ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
  162 
  163         sbuf_finish(&sb);
  164 
  165         return(sbuf_data(&sb));
  166 }
  167 
  168 #ifdef _KERNEL
  169 void 
  170 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
  171                      struct scsi_inquiry_data *inq_data)
  172 {
  173         struct sbuf sb;
  174         char str[512];
  175 
  176         sbuf_new(&sb, str, sizeof(str), 0);
  177 
  178         ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
  179 
  180         sbuf_finish(&sb);
  181 
  182         printf("%s", sbuf_data(&sb));
  183 }
  184 
  185 #else /* _KERNEL */
  186 void
  187 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
  188                      struct scsi_inquiry_data *inq_data, FILE *ofile)
  189 {
  190         struct sbuf sb;
  191         char str[512];
  192 
  193         if ((ctsio == NULL) || (ofile == NULL))
  194                 return;
  195 
  196         sbuf_new(&sb, str, sizeof(str), 0);
  197 
  198         ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
  199 
  200         sbuf_finish(&sb);
  201 
  202         fprintf(ofile, "%s", sbuf_data(&sb));
  203 }
  204 
  205 #endif /* _KERNEL */

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FreeBSD/Linux Kernel Cross Reference sys/cam/ctl/ctl_scsi_all.c

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sys/cam/ctl/ctl_scsi_all.c