1 /*
2 * Copyright 2009-2017 Citrix Ltd and other contributors
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published
6 * by the Free Software Foundation; version 2.1 only. with the special
7 * exception on linking described in file LICENSE.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
13 */
14
15 #include <stdlib.h>
16
17 #include <libxl.h>
18 #include <libxl_utils.h>
19 #include <libxlutil.h>
20
21 #include "xl.h"
22 #include "xl_utils.h"
23 #include "xl_parse.h"
24
main_blockattach(int argc,char ** argv)25 int main_blockattach(int argc, char **argv)
26 {
27 int opt;
28 uint32_t fe_domid;
29 libxl_device_disk disk;
30 XLU_Config *config = 0;
31
32 SWITCH_FOREACH_OPT(opt, "", NULL, "block-attach", 2) {
33 /* No options */
34 }
35
36 if (libxl_domain_qualifier_to_domid(ctx, argv[optind], &fe_domid) < 0) {
37 fprintf(stderr, "%s is an invalid domain identifier\n", argv[optind]);
38 return 1;
39 }
40 optind++;
41
42 parse_disk_config_multistring
43 (&config, argc-optind, (const char* const*)argv + optind, &disk);
44
45 if (dryrun_only) {
46 char *json = libxl_device_disk_to_json(ctx, &disk);
47 printf("disk: %s\n", json);
48 free(json);
49 if (ferror(stdout) || fflush(stdout)) { perror("stdout"); exit(-1); }
50 return 0;
51 }
52
53 if (libxl_device_disk_add(ctx, fe_domid, &disk, 0)) {
54 fprintf(stderr, "libxl_device_disk_add failed.\n");
55 return 1;
56 }
57 return 0;
58 }
59
main_blocklist(int argc,char ** argv)60 int main_blocklist(int argc, char **argv)
61 {
62 int opt;
63 int i, nb;
64 libxl_device_disk *disks;
65 libxl_diskinfo diskinfo;
66
67 SWITCH_FOREACH_OPT(opt, "", NULL, "block-list", 1) {
68 /* No options */
69 }
70
71 printf("%-5s %-3s %-6s %-5s %-6s %-8s %-30s\n",
72 "Vdev", "BE", "handle", "state", "evt-ch", "ring-ref", "BE-path");
73 for (argv += optind, argc -= optind; argc > 0; --argc, ++argv) {
74 uint32_t domid;
75 if (libxl_domain_qualifier_to_domid(ctx, *argv, &domid) < 0) {
76 fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
77 continue;
78 }
79 disks = libxl_device_disk_list(ctx, domid, &nb);
80 if (!disks) {
81 continue;
82 }
83 for (i=0; i<nb; i++) {
84 if (!libxl_device_disk_getinfo(ctx, domid, &disks[i], &diskinfo)) {
85 /* Vdev BE hdl st evch rref BE-path*/
86 printf("%-5d %-3d %-6d %-5d %-6d %-8d %-30s\n",
87 diskinfo.devid, diskinfo.backend_id, diskinfo.frontend_id,
88 diskinfo.state, diskinfo.evtch, diskinfo.rref, diskinfo.backend);
89 libxl_diskinfo_dispose(&diskinfo);
90 }
91 }
92 libxl_device_disk_list_free(disks, nb);
93 }
94 return 0;
95 }
96
main_blockdetach(int argc,char ** argv)97 int main_blockdetach(int argc, char **argv)
98 {
99 static struct option opts[] = {
100 {"force", 0, 0, 'f'},
101 COMMON_LONG_OPTS
102 };
103 uint32_t domid;
104 int opt, rc = 0;
105 libxl_device_disk disk;
106 bool force = false;
107
108 SWITCH_FOREACH_OPT(opt, "f", opts, "block-detach", 2) {
109 case 'f':
110 force = true;
111 break;
112 default:
113 break;
114 }
115
116 domid = find_domain(argv[optind]);
117
118 if (libxl_vdev_to_device_disk(ctx, domid, argv[optind+1], &disk)) {
119 fprintf(stderr, "Error: Device %s not connected.\n", argv[optind+1]);
120 return 1;
121 }
122
123 if (disk.specification == LIBXL_DISK_SPECIFICATION_VIRTIO) {
124 fprintf(stderr, "Hotunplug isn't supported for specification virtio\n");
125 return 1;
126 }
127
128 rc = !force ? libxl_device_disk_safe_remove(ctx, domid, &disk, 0) :
129 libxl_device_disk_destroy(ctx, domid, &disk, 0);
130 if (rc) {
131 fprintf(stderr, "libxl_device_disk_%s failed.\n",
132 !force ? "safe_remove" : "destroy");
133 return 1;
134 }
135 libxl_device_disk_dispose(&disk);
136 return rc;
137 }
138
139 /*
140 * Local variables:
141 * mode: C
142 * c-basic-offset: 4
143 * indent-tabs-mode: nil
144 * End:
145 */
146