xref: /freebsd/sys/cam/ctl/ctl_scsi_all.c (revision 3494f7c0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 #include <sys/types.h>
36 #ifdef _KERNEL
37 #include <sys/systm.h>
38 #include <sys/libkern.h>
39 #include <sys/kernel.h>
40 #include <sys/sysctl.h>
41 #else
42 #include <errno.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <inttypes.h>
47 #endif
48 
49 #include <cam/cam.h>
50 #include <cam/cam_ccb.h>
51 #include <cam/cam_queue.h>
52 #include <cam/cam_xpt.h>
53 #include <cam/scsi/scsi_all.h>
54 
55 #include <cam/ctl/ctl_io.h>
56 #include <cam/ctl/ctl_scsi_all.h>
57 #include <sys/sbuf.h>
58 #ifndef _KERNEL
59 #include <camlib.h>
60 #endif
61 
62 const char *
63 ctl_scsi_status_string(struct ctl_scsiio *ctsio)
64 {
65 	switch(ctsio->scsi_status) {
66 	case SCSI_STATUS_OK:
67 		return("OK");
68 	case SCSI_STATUS_CHECK_COND:
69 		return("Check Condition");
70 	case SCSI_STATUS_BUSY:
71 		return("Busy");
72 	case SCSI_STATUS_INTERMED:
73 		return("Intermediate");
74 	case SCSI_STATUS_INTERMED_COND_MET:
75 		return("Intermediate-Condition Met");
76 	case SCSI_STATUS_RESERV_CONFLICT:
77 		return("Reservation Conflict");
78 	case SCSI_STATUS_CMD_TERMINATED:
79 		return("Command Terminated");
80 	case SCSI_STATUS_QUEUE_FULL:
81 		return("Queue Full");
82 	case SCSI_STATUS_ACA_ACTIVE:
83 		return("ACA Active");
84 	case SCSI_STATUS_TASK_ABORTED:
85 		return("Task Aborted");
86 	default: {
87 		static char unkstr[64];
88 		snprintf(unkstr, sizeof(unkstr), "Unknown %#x",
89 			 ctsio->scsi_status);
90 		return(unkstr);
91 	}
92 	}
93 }
94 
95 /*
96  * scsi_command_string() returns 0 for success and -1 for failure.
97  */
98 int
99 ctl_scsi_command_string(struct ctl_scsiio *ctsio,
100 			struct scsi_inquiry_data *inq_data, struct sbuf *sb)
101 {
102 	char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
103 
104 	sbuf_printf(sb, "%s. CDB: %s",
105 		    scsi_op_desc(ctsio->cdb[0], inq_data),
106 		    scsi_cdb_string(ctsio->cdb, cdb_str, sizeof(cdb_str)));
107 
108 	return(0);
109 }
110 
111 void
112 ctl_scsi_path_string(union ctl_io *io, char *path_str, int len)
113 {
114 
115 	snprintf(path_str, len, "(%u:%u:%u/%u): ",
116 	    io->io_hdr.nexus.initid, io->io_hdr.nexus.targ_port,
117 	    io->io_hdr.nexus.targ_lun, io->io_hdr.nexus.targ_mapped_lun);
118 }
119 
120 /*
121  * ctl_scsi_sense_sbuf() returns 0 for success and -1 for failure.
122  */
123 int
124 ctl_scsi_sense_sbuf(struct ctl_scsiio *ctsio,
125 		    struct scsi_inquiry_data *inq_data, struct sbuf *sb,
126 		    scsi_sense_string_flags flags)
127 {
128 	char	  path_str[64];
129 
130 	if ((ctsio == NULL) || (sb == NULL))
131 		return(-1);
132 
133 	ctl_scsi_path_string((union ctl_io *)ctsio, path_str, sizeof(path_str));
134 
135 	if (flags & SSS_FLAG_PRINT_COMMAND) {
136 		sbuf_cat(sb, path_str);
137 
138 		ctl_scsi_command_string(ctsio, inq_data, sb);
139 
140 		sbuf_putc(sb, '\n');
141 	}
142 
143 	scsi_sense_only_sbuf(&ctsio->sense_data, ctsio->sense_len, sb,
144 			     path_str, inq_data, ctsio->cdb, ctsio->cdb_len);
145 
146 	return(0);
147 }
148 
149 char *
150 ctl_scsi_sense_string(struct ctl_scsiio *ctsio,
151 		      struct scsi_inquiry_data *inq_data, char *str,
152 		      int str_len)
153 {
154 	struct sbuf sb;
155 
156 	sbuf_new(&sb, str, str_len, 0);
157 
158 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
159 
160 	sbuf_finish(&sb);
161 
162 	return(sbuf_data(&sb));
163 }
164 
165 #ifdef _KERNEL
166 void
167 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
168 		     struct scsi_inquiry_data *inq_data)
169 {
170 	struct sbuf sb;
171 	char str[512];
172 
173 	sbuf_new(&sb, str, sizeof(str), 0);
174 
175 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
176 
177 	sbuf_finish(&sb);
178 
179 	printf("%s", sbuf_data(&sb));
180 }
181 
182 #else /* _KERNEL */
183 void
184 ctl_scsi_sense_print(struct ctl_scsiio *ctsio,
185 		     struct scsi_inquiry_data *inq_data, FILE *ofile)
186 {
187 	struct sbuf sb;
188 	char str[512];
189 
190 	if ((ctsio == NULL) || (ofile == NULL))
191 		return;
192 
193 	sbuf_new(&sb, str, sizeof(str), 0);
194 
195 	ctl_scsi_sense_sbuf(ctsio, inq_data, &sb, SSS_FLAG_PRINT_COMMAND);
196 
197 	sbuf_finish(&sb);
198 
199 	fprintf(ofile, "%s", sbuf_data(&sb));
200 }
201 
202 #endif /* _KERNEL */
203