xref: /freebsd/sys/cam/ctl/ctl_scsi_all.c (revision 42249ef2)
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 
140 		sbuf_cat(sb, path_str);
141 
142 		ctl_scsi_command_string(ctsio, inq_data, sb);
143 
144 		sbuf_printf(sb, "\n");
145 	}
146 
147 	scsi_sense_only_sbuf(&ctsio->sense_data, ctsio->sense_len, sb,
148 			     path_str, inq_data, ctsio->cdb, ctsio->cdb_len);
149 
150 	return(0);
151 }
152 
153 char *
154 ctl_scsi_sense_string(struct ctl_scsiio *ctsio,
155 		      struct scsi_inquiry_data *inq_data, char *str,
156 		      int str_len)
157 {
158 	struct sbuf sb;
159 
160 	sbuf_new(&sb, str, str_len, 0);
161 
162 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
163 
164 	sbuf_finish(&sb);
165 
166 	return(sbuf_data(&sb));
167 }
168 
169 #ifdef _KERNEL
170 void
171 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
172 		     struct scsi_inquiry_data *inq_data)
173 {
174 	struct sbuf sb;
175 	char str[512];
176 
177 	sbuf_new(&sb, str, sizeof(str), 0);
178 
179 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
180 
181 	sbuf_finish(&sb);
182 
183 	printf("%s", sbuf_data(&sb));
184 }
185 
186 #else /* _KERNEL */
187 void
188 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
189 		     struct scsi_inquiry_data *inq_data, FILE *ofile)
190 {
191 	struct sbuf sb;
192 	char str[512];
193 
194 	if ((ctsio == NULL) || (ofile == NULL))
195 		return;
196 
197 	sbuf_new(&sb, str, sizeof(str), 0);
198 
199 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
200 
201 	sbuf_finish(&sb);
202 
203 	fprintf(ofile, "%s", sbuf_data(&sb));
204 }
205 
206 #endif /* _KERNEL */
207 
208