2 * Copyright (c) 1997-2007 Kenneth D. Merry
3 * Copyright (c) 2012 The FreeBSD Foundation
6 * Portions of this software were developed by Edward Tomasz Napierala
7 * under sponsorship from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/ioctl.h>
37 #include <sys/stdint.h>
38 #include <sys/types.h>
39 #include <sys/endian.h>
52 #include <cam/cam_debug.h>
53 #include <cam/cam_ccb.h>
54 #include <cam/scsi/scsi_all.h>
55 #include <cam/scsi/scsi_da.h>
56 #include <cam/scsi/scsi_pass.h>
57 #include <cam/scsi/scsi_message.h>
58 #include <cam/scsi/smp_all.h>
59 #include <cam/ata/ata_all.h>
65 print_periphs(int session_id)
70 int skip_bus, skip_device;
72 if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) {
73 warn("couldn't open %s", XPT_DEVICE);
78 * First, iterate over the whole list to find the bus.
81 bzero(&ccb, sizeof(union ccb));
83 ccb.ccb_h.path_id = CAM_XPT_PATH_ID;
84 ccb.ccb_h.target_id = CAM_TARGET_WILDCARD;
85 ccb.ccb_h.target_lun = CAM_LUN_WILDCARD;
87 ccb.ccb_h.func_code = XPT_DEV_MATCH;
88 bufsize = sizeof(struct dev_match_result) * 100;
89 ccb.cdm.match_buf_len = bufsize;
90 ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize);
91 if (ccb.cdm.matches == NULL) {
92 warnx("can't malloc memory for matches");
96 ccb.cdm.num_matches = 0;
99 * We fetch all nodes, since we display most of them in the default
100 * case, and all in the verbose case.
102 ccb.cdm.num_patterns = 0;
103 ccb.cdm.pattern_buf_len = 0;
109 * We do the ioctl multiple times if necessary, in case there are
110 * more than 100 nodes in the EDT.
113 if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
114 warn("error sending CAMIOCOMMAND ioctl");
118 if ((ccb.ccb_h.status != CAM_REQ_CMP)
119 || ((ccb.cdm.status != CAM_DEV_MATCH_LAST)
120 && (ccb.cdm.status != CAM_DEV_MATCH_MORE))) {
121 warnx("got CAM error %#x, CDM error %d\n",
122 ccb.ccb_h.status, ccb.cdm.status);
126 for (i = 0; i < ccb.cdm.num_matches; i++) {
127 switch (ccb.cdm.matches[i].type) {
128 case DEV_MATCH_BUS: {
129 struct bus_match_result *bus_result;
131 bus_result = &ccb.cdm.matches[i].result.bus_result;
135 if (strcmp(bus_result->dev_name, "iscsi") != 0) {
136 //printf("not iscsi\n");
140 if ((int)bus_result->unit_number != session_id) {
141 //printf("wrong unit, %d != %d\n", bus_result->unit_number, session_id);
147 case DEV_MATCH_DEVICE: {
157 case DEV_MATCH_PERIPH: {
158 struct periph_match_result *periph_result;
161 &ccb.cdm.matches[i].result.periph_result;
163 if (skip_device != 0)
166 if (strcmp(periph_result->periph_name, "pass") == 0)
169 fprintf(stdout, "%s%d ",
170 periph_result->periph_name,
171 periph_result->unit_number);
176 fprintf(stdout, "unknown match type\n");
181 } while ((ccb.ccb_h.status == CAM_REQ_CMP)
182 && (ccb.cdm.status == CAM_DEV_MATCH_MORE));