Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1 | /* |
| 2 | * GlusterFS backend for QEMU |
| 3 | * |
| 4 | * Copyright (C) 2012 Bharata B Rao <bharata@linux.vnet.ibm.com> |
| 5 | * |
Bharata B Rao | 85c09bc | 2014-01-29 19:59:55 +0530 | [diff] [blame] | 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 7 | * See the COPYING file in the top-level directory. |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 8 | * |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 9 | */ |
Markus Armbruster | 922a01a | 2018-02-01 12:18:46 +0100 | [diff] [blame] | 10 | |
Peter Maydell | 80c71a2 | 2016-01-18 18:01:42 +0000 | [diff] [blame] | 11 | #include "qemu/osdep.h" |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 12 | #include "qemu/units.h" |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 13 | #include <glusterfs/api/glfs.h> |
Markus Armbruster | e2c1c34 | 2022-12-21 14:35:49 +0100 | [diff] [blame] | 14 | #include "block/block-io.h" |
Paolo Bonzini | 737e150 | 2012-12-17 18:19:44 +0100 | [diff] [blame] | 15 | #include "block/block_int.h" |
Max Reitz | 609f45e | 2018-06-14 21:14:28 +0200 | [diff] [blame] | 16 | #include "block/qdict.h" |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 17 | #include "qapi/error.h" |
Markus Armbruster | 452fcdb | 2018-02-01 12:18:39 +0100 | [diff] [blame] | 18 | #include "qapi/qmp/qdict.h" |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 19 | #include "qapi/qmp/qerror.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 20 | #include "qemu/uri.h" |
Prasanna Kumar Kalever | 0552ff2 | 2016-07-19 22:27:31 +0530 | [diff] [blame] | 21 | #include "qemu/error-report.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 22 | #include "qemu/module.h" |
Markus Armbruster | 922a01a | 2018-02-01 12:18:46 +0100 | [diff] [blame] | 23 | #include "qemu/option.h" |
Prasanna Kumar Kalever | c56ac33 | 2016-08-09 14:20:09 +0530 | [diff] [blame] | 24 | #include "qemu/cutils.h" |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 25 | |
Prasanna Kumar Kalever | e014dbe | 2019-03-05 16:46:33 +0100 | [diff] [blame] | 26 | #ifdef CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT |
| 27 | # define glfs_ftruncate(fd, offset) glfs_ftruncate(fd, offset, NULL, NULL) |
| 28 | #endif |
| 29 | |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 30 | #define GLUSTER_OPT_FILENAME "filename" |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 31 | #define GLUSTER_OPT_VOLUME "volume" |
| 32 | #define GLUSTER_OPT_PATH "path" |
| 33 | #define GLUSTER_OPT_TYPE "type" |
| 34 | #define GLUSTER_OPT_SERVER_PATTERN "server." |
| 35 | #define GLUSTER_OPT_HOST "host" |
| 36 | #define GLUSTER_OPT_PORT "port" |
| 37 | #define GLUSTER_OPT_TO "to" |
| 38 | #define GLUSTER_OPT_IPV4 "ipv4" |
| 39 | #define GLUSTER_OPT_IPV6 "ipv6" |
| 40 | #define GLUSTER_OPT_SOCKET "socket" |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 41 | #define GLUSTER_OPT_DEBUG "debug" |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 42 | #define GLUSTER_DEFAULT_PORT 24007 |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 43 | #define GLUSTER_DEBUG_DEFAULT 4 |
| 44 | #define GLUSTER_DEBUG_MAX 9 |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 45 | #define GLUSTER_OPT_LOGFILE "logfile" |
| 46 | #define GLUSTER_LOGFILE_DEFAULT "-" /* handled in libgfapi as /dev/stderr */ |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 47 | /* |
| 48 | * Several versions of GlusterFS (3.12? -> 6.0.1) fail when the transfer size |
| 49 | * is greater or equal to 1024 MiB, so we are limiting the transfer size to 512 |
| 50 | * MiB to avoid this rare issue. |
| 51 | */ |
| 52 | #define GLUSTER_MAX_TRANSFER (512 * MiB) |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 53 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 54 | #define GERR_INDEX_HINT "hint: check in 'server' array index '%d'\n" |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 55 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 56 | typedef struct GlusterAIOCB { |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 57 | int64_t size; |
| 58 | int ret; |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 59 | Coroutine *coroutine; |
Stefan Hajnoczi | 6ee50af | 2014-05-08 16:34:41 +0200 | [diff] [blame] | 60 | AioContext *aio_context; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 61 | } GlusterAIOCB; |
| 62 | |
| 63 | typedef struct BDRVGlusterState { |
| 64 | struct glfs *glfs; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 65 | struct glfs_fd *fd; |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 66 | char *logfile; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 67 | bool supports_seek_data; |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 68 | int debug; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 69 | } BDRVGlusterState; |
| 70 | |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 71 | typedef struct BDRVGlusterReopenState { |
| 72 | struct glfs *glfs; |
| 73 | struct glfs_fd *fd; |
| 74 | } BDRVGlusterReopenState; |
| 75 | |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 76 | |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 77 | typedef struct GlfsPreopened { |
| 78 | char *volume; |
| 79 | glfs_t *fs; |
| 80 | int ref; |
| 81 | } GlfsPreopened; |
| 82 | |
| 83 | typedef struct ListElement { |
| 84 | QLIST_ENTRY(ListElement) list; |
| 85 | GlfsPreopened saved; |
| 86 | } ListElement; |
| 87 | |
Paolo Bonzini | b58deb3 | 2018-12-06 11:58:10 +0100 | [diff] [blame] | 88 | static QLIST_HEAD(, ListElement) glfs_list; |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 89 | |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 90 | static QemuOptsList qemu_gluster_create_opts = { |
| 91 | .name = "qemu-gluster-create-opts", |
| 92 | .head = QTAILQ_HEAD_INITIALIZER(qemu_gluster_create_opts.head), |
| 93 | .desc = { |
| 94 | { |
| 95 | .name = BLOCK_OPT_SIZE, |
| 96 | .type = QEMU_OPT_SIZE, |
| 97 | .help = "Virtual disk size" |
| 98 | }, |
| 99 | { |
| 100 | .name = BLOCK_OPT_PREALLOC, |
| 101 | .type = QEMU_OPT_STRING, |
Stefano Garzarella | 2ea8e96 | 2019-05-24 09:58:48 +0200 | [diff] [blame] | 102 | .help = "Preallocation mode (allowed values: off" |
| 103 | #ifdef CONFIG_GLUSTERFS_FALLOCATE |
| 104 | ", falloc" |
| 105 | #endif |
| 106 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
| 107 | ", full" |
| 108 | #endif |
| 109 | ")" |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 110 | }, |
| 111 | { |
| 112 | .name = GLUSTER_OPT_DEBUG, |
| 113 | .type = QEMU_OPT_NUMBER, |
| 114 | .help = "Gluster log level, valid range is 0-9", |
| 115 | }, |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 116 | { |
| 117 | .name = GLUSTER_OPT_LOGFILE, |
| 118 | .type = QEMU_OPT_STRING, |
| 119 | .help = "Logfile path of libgfapi", |
| 120 | }, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 121 | { /* end of list */ } |
| 122 | } |
| 123 | }; |
| 124 | |
| 125 | static QemuOptsList runtime_opts = { |
| 126 | .name = "gluster", |
| 127 | .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head), |
| 128 | .desc = { |
| 129 | { |
| 130 | .name = GLUSTER_OPT_FILENAME, |
| 131 | .type = QEMU_OPT_STRING, |
| 132 | .help = "URL to the gluster image", |
| 133 | }, |
| 134 | { |
| 135 | .name = GLUSTER_OPT_DEBUG, |
| 136 | .type = QEMU_OPT_NUMBER, |
| 137 | .help = "Gluster log level, valid range is 0-9", |
| 138 | }, |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 139 | { |
| 140 | .name = GLUSTER_OPT_LOGFILE, |
| 141 | .type = QEMU_OPT_STRING, |
| 142 | .help = "Logfile path of libgfapi", |
| 143 | }, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 144 | { /* end of list */ } |
| 145 | }, |
| 146 | }; |
| 147 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 148 | static QemuOptsList runtime_json_opts = { |
| 149 | .name = "gluster_json", |
| 150 | .head = QTAILQ_HEAD_INITIALIZER(runtime_json_opts.head), |
| 151 | .desc = { |
| 152 | { |
| 153 | .name = GLUSTER_OPT_VOLUME, |
| 154 | .type = QEMU_OPT_STRING, |
| 155 | .help = "name of gluster volume where VM image resides", |
| 156 | }, |
| 157 | { |
| 158 | .name = GLUSTER_OPT_PATH, |
| 159 | .type = QEMU_OPT_STRING, |
| 160 | .help = "absolute path to image file in gluster volume", |
| 161 | }, |
| 162 | { |
| 163 | .name = GLUSTER_OPT_DEBUG, |
| 164 | .type = QEMU_OPT_NUMBER, |
| 165 | .help = "Gluster log level, valid range is 0-9", |
| 166 | }, |
| 167 | { /* end of list */ } |
| 168 | }, |
| 169 | }; |
| 170 | |
| 171 | static QemuOptsList runtime_type_opts = { |
| 172 | .name = "gluster_type", |
| 173 | .head = QTAILQ_HEAD_INITIALIZER(runtime_type_opts.head), |
| 174 | .desc = { |
| 175 | { |
| 176 | .name = GLUSTER_OPT_TYPE, |
| 177 | .type = QEMU_OPT_STRING, |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 178 | .help = "inet|unix", |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 179 | }, |
| 180 | { /* end of list */ } |
| 181 | }, |
| 182 | }; |
| 183 | |
| 184 | static QemuOptsList runtime_unix_opts = { |
| 185 | .name = "gluster_unix", |
| 186 | .head = QTAILQ_HEAD_INITIALIZER(runtime_unix_opts.head), |
| 187 | .desc = { |
| 188 | { |
| 189 | .name = GLUSTER_OPT_SOCKET, |
| 190 | .type = QEMU_OPT_STRING, |
Kevin Wolf | 9dae635 | 2018-04-03 13:08:10 +0200 | [diff] [blame] | 191 | .help = "socket file path (legacy)", |
| 192 | }, |
| 193 | { |
| 194 | .name = GLUSTER_OPT_PATH, |
| 195 | .type = QEMU_OPT_STRING, |
| 196 | .help = "socket file path (QAPI)", |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 197 | }, |
| 198 | { /* end of list */ } |
| 199 | }, |
| 200 | }; |
| 201 | |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 202 | static QemuOptsList runtime_inet_opts = { |
| 203 | .name = "gluster_inet", |
| 204 | .head = QTAILQ_HEAD_INITIALIZER(runtime_inet_opts.head), |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 205 | .desc = { |
| 206 | { |
| 207 | .name = GLUSTER_OPT_TYPE, |
| 208 | .type = QEMU_OPT_STRING, |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 209 | .help = "inet|unix", |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 210 | }, |
| 211 | { |
| 212 | .name = GLUSTER_OPT_HOST, |
| 213 | .type = QEMU_OPT_STRING, |
| 214 | .help = "host address (hostname/ipv4/ipv6 addresses)", |
| 215 | }, |
| 216 | { |
| 217 | .name = GLUSTER_OPT_PORT, |
Prasanna Kumar Kalever | 53d9837 | 2016-08-09 15:18:14 +0530 | [diff] [blame] | 218 | .type = QEMU_OPT_STRING, |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 219 | .help = "port number on which glusterd is listening (default 24007)", |
| 220 | }, |
| 221 | { |
| 222 | .name = "to", |
| 223 | .type = QEMU_OPT_NUMBER, |
| 224 | .help = "max port number, not supported by gluster", |
| 225 | }, |
| 226 | { |
| 227 | .name = "ipv4", |
| 228 | .type = QEMU_OPT_BOOL, |
| 229 | .help = "ipv4 bool value, not supported by gluster", |
| 230 | }, |
| 231 | { |
| 232 | .name = "ipv6", |
| 233 | .type = QEMU_OPT_BOOL, |
| 234 | .help = "ipv6 bool value, not supported by gluster", |
| 235 | }, |
| 236 | { /* end of list */ } |
| 237 | }, |
| 238 | }; |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 239 | |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 240 | static void glfs_set_preopened(const char *volume, glfs_t *fs) |
| 241 | { |
| 242 | ListElement *entry = NULL; |
| 243 | |
| 244 | entry = g_new(ListElement, 1); |
| 245 | |
| 246 | entry->saved.volume = g_strdup(volume); |
| 247 | |
| 248 | entry->saved.fs = fs; |
| 249 | entry->saved.ref = 1; |
| 250 | |
| 251 | QLIST_INSERT_HEAD(&glfs_list, entry, list); |
| 252 | } |
| 253 | |
| 254 | static glfs_t *glfs_find_preopened(const char *volume) |
| 255 | { |
| 256 | ListElement *entry = NULL; |
| 257 | |
| 258 | QLIST_FOREACH(entry, &glfs_list, list) { |
| 259 | if (strcmp(entry->saved.volume, volume) == 0) { |
| 260 | entry->saved.ref++; |
| 261 | return entry->saved.fs; |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | return NULL; |
| 266 | } |
| 267 | |
| 268 | static void glfs_clear_preopened(glfs_t *fs) |
| 269 | { |
| 270 | ListElement *entry = NULL; |
Kevin Wolf | 668c0e4 | 2016-11-17 11:30:08 +0100 | [diff] [blame] | 271 | ListElement *next; |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 272 | |
| 273 | if (fs == NULL) { |
| 274 | return; |
| 275 | } |
| 276 | |
Kevin Wolf | 668c0e4 | 2016-11-17 11:30:08 +0100 | [diff] [blame] | 277 | QLIST_FOREACH_SAFE(entry, &glfs_list, list, next) { |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 278 | if (entry->saved.fs == fs) { |
| 279 | if (--entry->saved.ref) { |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | QLIST_REMOVE(entry, list); |
| 284 | |
| 285 | glfs_fini(entry->saved.fs); |
| 286 | g_free(entry->saved.volume); |
| 287 | g_free(entry); |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 292 | static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 293 | { |
| 294 | char *p, *q; |
| 295 | |
| 296 | if (!path) { |
| 297 | return -EINVAL; |
| 298 | } |
| 299 | |
| 300 | /* volume */ |
| 301 | p = q = path + strspn(path, "/"); |
| 302 | p += strcspn(p, "/"); |
| 303 | if (*p == '\0') { |
| 304 | return -EINVAL; |
| 305 | } |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 306 | gconf->volume = g_strndup(q, p - q); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 307 | |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 308 | /* path */ |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 309 | p += strspn(p, "/"); |
| 310 | if (*p == '\0') { |
| 311 | return -EINVAL; |
| 312 | } |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 313 | gconf->path = g_strdup(p); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 314 | return 0; |
| 315 | } |
| 316 | |
| 317 | /* |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 318 | * file=gluster[+transport]://[host[:port]]/volume/path[?socket=...] |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 319 | * |
| 320 | * 'gluster' is the protocol. |
| 321 | * |
| 322 | * 'transport' specifies the transport type used to connect to gluster |
| 323 | * management daemon (glusterd). Valid transport types are |
Prasanna Kumar Kalever | 0552ff2 | 2016-07-19 22:27:31 +0530 | [diff] [blame] | 324 | * tcp or unix. If a transport type isn't specified, then tcp type is assumed. |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 325 | * |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 326 | * 'host' specifies the host where the volume file specification for |
Prasanna Kumar Kalever | 0552ff2 | 2016-07-19 22:27:31 +0530 | [diff] [blame] | 327 | * the given volume resides. This can be either hostname or ipv4 address. |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 328 | * If transport type is 'unix', then 'host' field should not be specified. |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 329 | * The 'socket' field needs to be populated with the path to unix domain |
| 330 | * socket. |
| 331 | * |
| 332 | * 'port' is the port number on which glusterd is listening. This is optional |
| 333 | * and if not specified, QEMU will send 0 which will make gluster to use the |
| 334 | * default port. If the transport type is unix, then 'port' should not be |
| 335 | * specified. |
| 336 | * |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 337 | * 'volume' is the name of the gluster volume which contains the VM image. |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 338 | * |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 339 | * 'path' is the path to the actual VM image that resides on gluster volume. |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 340 | * |
| 341 | * Examples: |
| 342 | * |
| 343 | * file=gluster://1.2.3.4/testvol/a.img |
| 344 | * file=gluster+tcp://1.2.3.4/testvol/a.img |
| 345 | * file=gluster+tcp://1.2.3.4:24007/testvol/dir/a.img |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 346 | * file=gluster+tcp://host.domain.com:24007/testvol/dir/a.img |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 347 | * file=gluster+unix:///testvol/dir/a.img?socket=/tmp/glusterd.socket |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 348 | */ |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 349 | static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, |
| 350 | const char *filename) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 351 | { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 352 | SocketAddress *gsconf; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 353 | URI *uri; |
| 354 | QueryParams *qp = NULL; |
| 355 | bool is_unix = false; |
| 356 | int ret = 0; |
| 357 | |
| 358 | uri = uri_parse(filename); |
| 359 | if (!uri) { |
| 360 | return -EINVAL; |
| 361 | } |
| 362 | |
Eric Blake | 54aa3de | 2020-11-12 19:13:37 -0600 | [diff] [blame] | 363 | gsconf = g_new0(SocketAddress, 1); |
| 364 | QAPI_LIST_PREPEND(gconf->server, gsconf); |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 365 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 366 | /* transport */ |
Paolo Bonzini | 24897a7 | 2014-02-17 14:43:54 +0100 | [diff] [blame] | 367 | if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 368 | gsconf->type = SOCKET_ADDRESS_TYPE_INET; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 369 | } else if (!strcmp(uri->scheme, "gluster+tcp")) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 370 | gsconf->type = SOCKET_ADDRESS_TYPE_INET; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 371 | } else if (!strcmp(uri->scheme, "gluster+unix")) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 372 | gsconf->type = SOCKET_ADDRESS_TYPE_UNIX; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 373 | is_unix = true; |
| 374 | } else if (!strcmp(uri->scheme, "gluster+rdma")) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 375 | gsconf->type = SOCKET_ADDRESS_TYPE_INET; |
Alistair Francis | 3dc6f86 | 2017-07-12 06:57:41 -0700 | [diff] [blame] | 376 | warn_report("rdma feature is not supported, falling back to tcp"); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 377 | } else { |
| 378 | ret = -EINVAL; |
| 379 | goto out; |
| 380 | } |
| 381 | |
| 382 | ret = parse_volume_options(gconf, uri->path); |
| 383 | if (ret < 0) { |
| 384 | goto out; |
| 385 | } |
| 386 | |
| 387 | qp = query_params_parse(uri->query); |
| 388 | if (qp->n > 1 || (is_unix && !qp->n) || (!is_unix && qp->n)) { |
| 389 | ret = -EINVAL; |
| 390 | goto out; |
| 391 | } |
| 392 | |
| 393 | if (is_unix) { |
| 394 | if (uri->server || uri->port) { |
| 395 | ret = -EINVAL; |
| 396 | goto out; |
| 397 | } |
| 398 | if (strcmp(qp->p[0].name, "socket")) { |
| 399 | ret = -EINVAL; |
| 400 | goto out; |
| 401 | } |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 402 | gsconf->u.q_unix.path = g_strdup(qp->p[0].value); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 403 | } else { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 404 | gsconf->u.inet.host = g_strdup(uri->server ? uri->server : "localhost"); |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 405 | if (uri->port) { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 406 | gsconf->u.inet.port = g_strdup_printf("%d", uri->port); |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 407 | } else { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 408 | gsconf->u.inet.port = g_strdup_printf("%d", GLUSTER_DEFAULT_PORT); |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 409 | } |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | out: |
| 413 | if (qp) { |
| 414 | query_params_free(qp); |
| 415 | } |
| 416 | uri_free(uri); |
| 417 | return ret; |
| 418 | } |
| 419 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 420 | static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf, |
| 421 | Error **errp) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 422 | { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 423 | struct glfs *glfs; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 424 | int ret; |
| 425 | int old_errno; |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 426 | SocketAddressList *server; |
Eric Blake | bd1386c | 2023-05-22 14:04:29 -0500 | [diff] [blame] | 427 | uint64_t port; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 428 | |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 429 | glfs = glfs_find_preopened(gconf->volume); |
| 430 | if (glfs) { |
| 431 | return glfs; |
| 432 | } |
| 433 | |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 434 | glfs = glfs_new(gconf->volume); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 435 | if (!glfs) { |
| 436 | goto out; |
| 437 | } |
| 438 | |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 439 | glfs_set_preopened(gconf->volume, glfs); |
| 440 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 441 | for (server = gconf->server; server; server = server->next) { |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 442 | switch (server->value->type) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 443 | case SOCKET_ADDRESS_TYPE_UNIX: |
Markus Armbruster | fc29458 | 2017-03-06 20:00:44 +0100 | [diff] [blame] | 444 | ret = glfs_set_volfile_server(glfs, "unix", |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 445 | server->value->u.q_unix.path, 0); |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 446 | break; |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 447 | case SOCKET_ADDRESS_TYPE_INET: |
Eric Blake | bd1386c | 2023-05-22 14:04:29 -0500 | [diff] [blame] | 448 | if (parse_uint_full(server->value->u.inet.port, 10, &port) < 0 || |
Prasanna Kumar Kalever | c56ac33 | 2016-08-09 14:20:09 +0530 | [diff] [blame] | 449 | port > 65535) { |
| 450 | error_setg(errp, "'%s' is not a valid port number", |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 451 | server->value->u.inet.port); |
Prasanna Kumar Kalever | c56ac33 | 2016-08-09 14:20:09 +0530 | [diff] [blame] | 452 | errno = EINVAL; |
| 453 | goto out; |
| 454 | } |
Markus Armbruster | fc29458 | 2017-03-06 20:00:44 +0100 | [diff] [blame] | 455 | ret = glfs_set_volfile_server(glfs, "tcp", |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 456 | server->value->u.inet.host, |
Prasanna Kumar Kalever | c56ac33 | 2016-08-09 14:20:09 +0530 | [diff] [blame] | 457 | (int)port); |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 458 | break; |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 459 | case SOCKET_ADDRESS_TYPE_VSOCK: |
| 460 | case SOCKET_ADDRESS_TYPE_FD: |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 461 | default: |
| 462 | abort(); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | if (ret < 0) { |
| 466 | goto out; |
| 467 | } |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 468 | } |
| 469 | |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 470 | ret = glfs_set_logging(glfs, gconf->logfile, gconf->debug); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 471 | if (ret < 0) { |
| 472 | goto out; |
| 473 | } |
| 474 | |
| 475 | ret = glfs_init(glfs); |
| 476 | if (ret) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 477 | error_setg(errp, "Gluster connection for volume %s, path %s failed" |
| 478 | " to connect", gconf->volume, gconf->path); |
| 479 | for (server = gconf->server; server; server = server->next) { |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 480 | if (server->value->type == SOCKET_ADDRESS_TYPE_UNIX) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 481 | error_append_hint(errp, "hint: failed on socket %s ", |
| 482 | server->value->u.q_unix.path); |
| 483 | } else { |
| 484 | error_append_hint(errp, "hint: failed on host %s and port %s ", |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 485 | server->value->u.inet.host, |
| 486 | server->value->u.inet.port); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 487 | } |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 488 | } |
Peter Krempa | 4557117 | 2014-05-09 12:08:10 +0200 | [diff] [blame] | 489 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 490 | error_append_hint(errp, "Please refer to gluster logs for more info\n"); |
| 491 | |
Peter Krempa | 4557117 | 2014-05-09 12:08:10 +0200 | [diff] [blame] | 492 | /* glfs_init sometimes doesn't set errno although docs suggest that */ |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 493 | if (errno == 0) { |
Peter Krempa | 4557117 | 2014-05-09 12:08:10 +0200 | [diff] [blame] | 494 | errno = EINVAL; |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 495 | } |
Peter Krempa | 4557117 | 2014-05-09 12:08:10 +0200 | [diff] [blame] | 496 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 497 | goto out; |
| 498 | } |
| 499 | return glfs; |
| 500 | |
| 501 | out: |
| 502 | if (glfs) { |
| 503 | old_errno = errno; |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 504 | glfs_clear_preopened(glfs); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 505 | errno = old_errno; |
| 506 | } |
| 507 | return NULL; |
| 508 | } |
| 509 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 510 | /* |
| 511 | * Convert the json formatted command line into qapi. |
| 512 | */ |
| 513 | static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, |
| 514 | QDict *options, Error **errp) |
| 515 | { |
| 516 | QemuOpts *opts; |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 517 | SocketAddress *gsconf = NULL; |
Eric Blake | 95b3a8c | 2021-01-13 16:10:13 -0600 | [diff] [blame] | 518 | SocketAddressList **tail; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 519 | QDict *backing_options = NULL; |
| 520 | Error *local_err = NULL; |
| 521 | char *str = NULL; |
| 522 | const char *ptr; |
Peter Maydell | 56faeb9 | 2017-06-05 18:01:38 +0100 | [diff] [blame] | 523 | int i, type, num_servers; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 524 | |
| 525 | /* create opts info from runtime_json_opts list */ |
| 526 | opts = qemu_opts_create(&runtime_json_opts, NULL, 0, &error_abort); |
Markus Armbruster | a5f9b9d | 2020-07-07 18:06:05 +0200 | [diff] [blame] | 527 | if (!qemu_opts_absorb_qdict(opts, options, errp)) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 528 | goto out; |
| 529 | } |
| 530 | |
| 531 | num_servers = qdict_array_entries(options, GLUSTER_OPT_SERVER_PATTERN); |
| 532 | if (num_servers < 1) { |
| 533 | error_setg(&local_err, QERR_MISSING_PARAMETER, "server"); |
| 534 | goto out; |
| 535 | } |
| 536 | |
| 537 | ptr = qemu_opt_get(opts, GLUSTER_OPT_VOLUME); |
| 538 | if (!ptr) { |
| 539 | error_setg(&local_err, QERR_MISSING_PARAMETER, GLUSTER_OPT_VOLUME); |
| 540 | goto out; |
| 541 | } |
| 542 | gconf->volume = g_strdup(ptr); |
| 543 | |
| 544 | ptr = qemu_opt_get(opts, GLUSTER_OPT_PATH); |
| 545 | if (!ptr) { |
| 546 | error_setg(&local_err, QERR_MISSING_PARAMETER, GLUSTER_OPT_PATH); |
| 547 | goto out; |
| 548 | } |
| 549 | gconf->path = g_strdup(ptr); |
| 550 | qemu_opts_del(opts); |
Eric Blake | 95b3a8c | 2021-01-13 16:10:13 -0600 | [diff] [blame] | 551 | tail = &gconf->server; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 552 | |
| 553 | for (i = 0; i < num_servers; i++) { |
| 554 | str = g_strdup_printf(GLUSTER_OPT_SERVER_PATTERN"%d.", i); |
| 555 | qdict_extract_subqdict(options, &backing_options, str); |
| 556 | |
| 557 | /* create opts info from runtime_type_opts list */ |
| 558 | opts = qemu_opts_create(&runtime_type_opts, NULL, 0, &error_abort); |
Markus Armbruster | a5f9b9d | 2020-07-07 18:06:05 +0200 | [diff] [blame] | 559 | if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 560 | goto out; |
| 561 | } |
| 562 | |
| 563 | ptr = qemu_opt_get(opts, GLUSTER_OPT_TYPE); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 564 | if (!ptr) { |
| 565 | error_setg(&local_err, QERR_MISSING_PARAMETER, GLUSTER_OPT_TYPE); |
| 566 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 567 | goto out; |
| 568 | |
| 569 | } |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 570 | gsconf = g_new0(SocketAddress, 1); |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 571 | if (!strcmp(ptr, "tcp")) { |
| 572 | ptr = "inet"; /* accept legacy "tcp" */ |
| 573 | } |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 574 | type = qapi_enum_parse(&SocketAddressType_lookup, ptr, -1, NULL); |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 575 | if (type != SOCKET_ADDRESS_TYPE_INET |
| 576 | && type != SOCKET_ADDRESS_TYPE_UNIX) { |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 577 | error_setg(&local_err, |
| 578 | "Parameter '%s' may be 'inet' or 'unix'", |
| 579 | GLUSTER_OPT_TYPE); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 580 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 581 | goto out; |
| 582 | } |
Markus Armbruster | fce5d53 | 2017-03-30 19:43:13 +0200 | [diff] [blame] | 583 | gsconf->type = type; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 584 | qemu_opts_del(opts); |
| 585 | |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 586 | if (gsconf->type == SOCKET_ADDRESS_TYPE_INET) { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 587 | /* create opts info from runtime_inet_opts list */ |
| 588 | opts = qemu_opts_create(&runtime_inet_opts, NULL, 0, &error_abort); |
Markus Armbruster | a5f9b9d | 2020-07-07 18:06:05 +0200 | [diff] [blame] | 589 | if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 590 | goto out; |
| 591 | } |
| 592 | |
| 593 | ptr = qemu_opt_get(opts, GLUSTER_OPT_HOST); |
| 594 | if (!ptr) { |
| 595 | error_setg(&local_err, QERR_MISSING_PARAMETER, |
| 596 | GLUSTER_OPT_HOST); |
| 597 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 598 | goto out; |
| 599 | } |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 600 | gsconf->u.inet.host = g_strdup(ptr); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 601 | ptr = qemu_opt_get(opts, GLUSTER_OPT_PORT); |
| 602 | if (!ptr) { |
| 603 | error_setg(&local_err, QERR_MISSING_PARAMETER, |
| 604 | GLUSTER_OPT_PORT); |
| 605 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 606 | goto out; |
| 607 | } |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 608 | gsconf->u.inet.port = g_strdup(ptr); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 609 | |
| 610 | /* defend for unsupported fields in InetSocketAddress, |
| 611 | * i.e. @ipv4, @ipv6 and @to |
| 612 | */ |
| 613 | ptr = qemu_opt_get(opts, GLUSTER_OPT_TO); |
| 614 | if (ptr) { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 615 | gsconf->u.inet.has_to = true; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 616 | } |
| 617 | ptr = qemu_opt_get(opts, GLUSTER_OPT_IPV4); |
| 618 | if (ptr) { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 619 | gsconf->u.inet.has_ipv4 = true; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 620 | } |
| 621 | ptr = qemu_opt_get(opts, GLUSTER_OPT_IPV6); |
| 622 | if (ptr) { |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 623 | gsconf->u.inet.has_ipv6 = true; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 624 | } |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 625 | if (gsconf->u.inet.has_to) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 626 | error_setg(&local_err, "Parameter 'to' not supported"); |
| 627 | goto out; |
| 628 | } |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 629 | if (gsconf->u.inet.has_ipv4 || gsconf->u.inet.has_ipv6) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 630 | error_setg(&local_err, "Parameters 'ipv4/ipv6' not supported"); |
| 631 | goto out; |
| 632 | } |
| 633 | qemu_opts_del(opts); |
| 634 | } else { |
| 635 | /* create opts info from runtime_unix_opts list */ |
| 636 | opts = qemu_opts_create(&runtime_unix_opts, NULL, 0, &error_abort); |
Markus Armbruster | a5f9b9d | 2020-07-07 18:06:05 +0200 | [diff] [blame] | 637 | if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 638 | goto out; |
| 639 | } |
| 640 | |
Kevin Wolf | 9dae635 | 2018-04-03 13:08:10 +0200 | [diff] [blame] | 641 | ptr = qemu_opt_get(opts, GLUSTER_OPT_PATH); |
| 642 | if (!ptr) { |
| 643 | ptr = qemu_opt_get(opts, GLUSTER_OPT_SOCKET); |
| 644 | } else if (qemu_opt_get(opts, GLUSTER_OPT_SOCKET)) { |
| 645 | error_setg(&local_err, |
| 646 | "Conflicting parameters 'path' and 'socket'"); |
| 647 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 648 | goto out; |
| 649 | } |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 650 | if (!ptr) { |
| 651 | error_setg(&local_err, QERR_MISSING_PARAMETER, |
Kevin Wolf | 9dae635 | 2018-04-03 13:08:10 +0200 | [diff] [blame] | 652 | GLUSTER_OPT_PATH); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 653 | error_append_hint(&local_err, GERR_INDEX_HINT, i); |
| 654 | goto out; |
| 655 | } |
| 656 | gsconf->u.q_unix.path = g_strdup(ptr); |
| 657 | qemu_opts_del(opts); |
| 658 | } |
| 659 | |
Eric Blake | 95b3a8c | 2021-01-13 16:10:13 -0600 | [diff] [blame] | 660 | QAPI_LIST_APPEND(tail, gsconf); |
Markus Armbruster | 85a82e8 | 2017-03-06 20:00:46 +0100 | [diff] [blame] | 661 | gsconf = NULL; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 662 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 663 | qobject_unref(backing_options); |
Markus Armbruster | 85a82e8 | 2017-03-06 20:00:46 +0100 | [diff] [blame] | 664 | backing_options = NULL; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 665 | g_free(str); |
| 666 | str = NULL; |
| 667 | } |
| 668 | |
| 669 | return 0; |
| 670 | |
| 671 | out: |
| 672 | error_propagate(errp, local_err); |
Markus Armbruster | 62cf396 | 2017-04-26 09:36:40 +0200 | [diff] [blame] | 673 | qapi_free_SocketAddress(gsconf); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 674 | qemu_opts_del(opts); |
Markus Armbruster | 85a82e8 | 2017-03-06 20:00:46 +0100 | [diff] [blame] | 675 | g_free(str); |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 676 | qobject_unref(backing_options); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 677 | errno = EINVAL; |
| 678 | return -errno; |
| 679 | } |
| 680 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 681 | /* Converts options given in @filename and the @options QDict into the QAPI |
| 682 | * object @gconf. */ |
| 683 | static int qemu_gluster_parse(BlockdevOptionsGluster *gconf, |
| 684 | const char *filename, |
| 685 | QDict *options, Error **errp) |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 686 | { |
| 687 | int ret; |
| 688 | if (filename) { |
| 689 | ret = qemu_gluster_parse_uri(gconf, filename); |
| 690 | if (ret < 0) { |
Daniel P. Berrangé | 44acd46 | 2018-02-06 10:52:04 +0000 | [diff] [blame] | 691 | error_setg(errp, "invalid URI %s", filename); |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 692 | error_append_hint(errp, "Usage: file=gluster[+transport]://" |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 693 | "[host[:port]]volume/path[?socket=...]" |
| 694 | "[,file.debug=N]" |
| 695 | "[,file.logfile=/path/filename.log]\n"); |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 696 | return ret; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 697 | } |
| 698 | } else { |
| 699 | ret = qemu_gluster_parse_json(gconf, options, errp); |
| 700 | if (ret < 0) { |
| 701 | error_append_hint(errp, "Usage: " |
| 702 | "-drive driver=qcow2,file.driver=gluster," |
| 703 | "file.volume=testvol,file.path=/path/a.qcow2" |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 704 | "[,file.debug=9]" |
| 705 | "[,file.logfile=/path/filename.log]," |
Markus Armbruster | c5f1ae3 | 2017-03-06 20:00:48 +0100 | [diff] [blame] | 706 | "file.server.0.type=inet," |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 707 | "file.server.0.host=1.2.3.4," |
| 708 | "file.server.0.port=24007," |
| 709 | "file.server.1.transport=unix," |
Kevin Wolf | 9dae635 | 2018-04-03 13:08:10 +0200 | [diff] [blame] | 710 | "file.server.1.path=/var/run/glusterd.socket ..." |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 711 | "\n"); |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 712 | return ret; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 713 | } |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 714 | } |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 715 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | static struct glfs *qemu_gluster_init(BlockdevOptionsGluster *gconf, |
| 720 | const char *filename, |
| 721 | QDict *options, Error **errp) |
| 722 | { |
| 723 | int ret; |
| 724 | |
| 725 | ret = qemu_gluster_parse(gconf, filename, options, errp); |
| 726 | if (ret < 0) { |
| 727 | errno = -ret; |
| 728 | return NULL; |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | return qemu_gluster_glfs_init(gconf, errp); |
| 732 | } |
| 733 | |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 734 | /* |
| 735 | * AIO callback routine called from GlusterFS thread. |
| 736 | */ |
Niels de Vos | 0e3b891 | 2019-03-05 16:46:34 +0100 | [diff] [blame] | 737 | static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret, |
| 738 | #ifdef CONFIG_GLUSTERFS_IOCB_HAS_STAT |
| 739 | struct glfs_stat *pre, struct glfs_stat *post, |
| 740 | #endif |
| 741 | void *arg) |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 742 | { |
| 743 | GlusterAIOCB *acb = (GlusterAIOCB *)arg; |
| 744 | |
| 745 | if (!ret || ret == acb->size) { |
| 746 | acb->ret = 0; /* Success */ |
| 747 | } else if (ret < 0) { |
Jeff Cody | a882745 | 2016-04-05 23:11:34 -0400 | [diff] [blame] | 748 | acb->ret = -errno; /* Read/Write failed */ |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 749 | } else { |
| 750 | acb->ret = -EIO; /* Partial read/write - fail it */ |
| 751 | } |
| 752 | |
Paolo Bonzini | 1919631 | 2017-02-13 14:52:31 +0100 | [diff] [blame] | 753 | aio_co_schedule(acb->aio_context, acb->coroutine); |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 754 | } |
| 755 | |
Jeff Cody | 1b37b34 | 2014-02-17 11:11:11 -0500 | [diff] [blame] | 756 | static void qemu_gluster_parse_flags(int bdrv_flags, int *open_flags) |
| 757 | { |
| 758 | assert(open_flags != NULL); |
| 759 | |
| 760 | *open_flags |= O_BINARY; |
| 761 | |
| 762 | if (bdrv_flags & BDRV_O_RDWR) { |
| 763 | *open_flags |= O_RDWR; |
| 764 | } else { |
| 765 | *open_flags |= O_RDONLY; |
| 766 | } |
| 767 | |
| 768 | if ((bdrv_flags & BDRV_O_NOCACHE)) { |
| 769 | *open_flags |= O_DIRECT; |
| 770 | } |
| 771 | } |
| 772 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 773 | /* |
| 774 | * Do SEEK_DATA/HOLE to detect if it is functional. Older broken versions of |
| 775 | * gfapi incorrectly return the current offset when SEEK_DATA/HOLE is used. |
| 776 | * - Corrected versions return -1 and set errno to EINVAL. |
| 777 | * - Versions that support SEEK_DATA/HOLE correctly, will return -1 and set |
| 778 | * errno to ENXIO when SEEK_DATA is called with a position of EOF. |
| 779 | */ |
| 780 | static bool qemu_gluster_test_seek(struct glfs_fd *fd) |
| 781 | { |
Jeff Cody | d9b7897 | 2016-10-07 17:48:12 -0400 | [diff] [blame] | 782 | off_t ret = 0; |
| 783 | |
| 784 | #if defined SEEK_HOLE && defined SEEK_DATA |
| 785 | off_t eof; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 786 | |
| 787 | eof = glfs_lseek(fd, 0, SEEK_END); |
| 788 | if (eof < 0) { |
| 789 | /* this should never occur */ |
| 790 | return false; |
| 791 | } |
| 792 | |
| 793 | /* this should always fail with ENXIO if SEEK_DATA is supported */ |
| 794 | ret = glfs_lseek(fd, eof, SEEK_DATA); |
Jeff Cody | d9b7897 | 2016-10-07 17:48:12 -0400 | [diff] [blame] | 795 | #endif |
| 796 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 797 | return (ret < 0) && (errno == ENXIO); |
| 798 | } |
| 799 | |
Kevin Wolf | 56d1b4d | 2013-04-12 20:02:37 +0200 | [diff] [blame] | 800 | static int qemu_gluster_open(BlockDriverState *bs, QDict *options, |
Max Reitz | 015a103 | 2013-09-05 14:22:29 +0200 | [diff] [blame] | 801 | int bdrv_flags, Error **errp) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 802 | { |
| 803 | BDRVGlusterState *s = bs->opaque; |
Jeff Cody | 1b37b34 | 2014-02-17 11:11:11 -0500 | [diff] [blame] | 804 | int open_flags = 0; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 805 | int ret = 0; |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 806 | BlockdevOptionsGluster *gconf = NULL; |
Kevin Wolf | b489477 | 2013-04-12 17:50:16 +0200 | [diff] [blame] | 807 | QemuOpts *opts; |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 808 | const char *filename, *logfile; |
Kevin Wolf | b489477 | 2013-04-12 17:50:16 +0200 | [diff] [blame] | 809 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 810 | opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort); |
Markus Armbruster | af175e8 | 2020-07-07 18:06:03 +0200 | [diff] [blame] | 811 | if (!qemu_opts_absorb_qdict(opts, options, errp)) { |
Kevin Wolf | b489477 | 2013-04-12 17:50:16 +0200 | [diff] [blame] | 812 | ret = -EINVAL; |
| 813 | goto out; |
| 814 | } |
| 815 | |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 816 | filename = qemu_opt_get(opts, GLUSTER_OPT_FILENAME); |
Kevin Wolf | b489477 | 2013-04-12 17:50:16 +0200 | [diff] [blame] | 817 | |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 818 | s->debug = qemu_opt_get_number(opts, GLUSTER_OPT_DEBUG, |
| 819 | GLUSTER_DEBUG_DEFAULT); |
| 820 | if (s->debug < 0) { |
| 821 | s->debug = 0; |
| 822 | } else if (s->debug > GLUSTER_DEBUG_MAX) { |
| 823 | s->debug = GLUSTER_DEBUG_MAX; |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 824 | } |
| 825 | |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 826 | gconf = g_new0(BlockdevOptionsGluster, 1); |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 827 | gconf->debug = s->debug; |
| 828 | gconf->has_debug = true; |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 829 | |
| 830 | logfile = qemu_opt_get(opts, GLUSTER_OPT_LOGFILE); |
| 831 | s->logfile = g_strdup(logfile ? logfile : GLUSTER_LOGFILE_DEFAULT); |
| 832 | |
| 833 | gconf->logfile = g_strdup(s->logfile); |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 834 | |
Prasanna Kumar Kalever | 6c7189b | 2016-07-19 22:27:33 +0530 | [diff] [blame] | 835 | s->glfs = qemu_gluster_init(gconf, filename, options, errp); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 836 | if (!s->glfs) { |
| 837 | ret = -errno; |
| 838 | goto out; |
| 839 | } |
| 840 | |
Jeff Cody | d85fa9e | 2016-04-05 10:40:09 -0400 | [diff] [blame] | 841 | #ifdef CONFIG_GLUSTERFS_XLATOR_OPT |
| 842 | /* Without this, if fsync fails for a recoverable reason (for instance, |
| 843 | * ENOSPC), gluster will dump its cache, preventing retries. This means |
| 844 | * almost certain data loss. Not all gluster versions support the |
| 845 | * 'resync-failed-syncs-after-fsync' key value, but there is no way to |
| 846 | * discover during runtime if it is supported (this api returns success for |
| 847 | * unknown key/value pairs) */ |
| 848 | ret = glfs_set_xlator_option(s->glfs, "*-write-behind", |
| 849 | "resync-failed-syncs-after-fsync", |
| 850 | "on"); |
| 851 | if (ret < 0) { |
| 852 | error_setg_errno(errp, errno, "Unable to set xlator key/value pair"); |
| 853 | ret = -errno; |
| 854 | goto out; |
| 855 | } |
| 856 | #endif |
| 857 | |
Jeff Cody | 1b37b34 | 2014-02-17 11:11:11 -0500 | [diff] [blame] | 858 | qemu_gluster_parse_flags(bdrv_flags, &open_flags); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 859 | |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 860 | s->fd = glfs_open(s->glfs, gconf->path, open_flags); |
Kevin Wolf | 54ea21b | 2018-10-08 17:27:18 +0200 | [diff] [blame] | 861 | ret = s->fd ? 0 : -errno; |
| 862 | |
| 863 | if (ret == -EACCES || ret == -EROFS) { |
| 864 | /* Try to degrade to read-only, but if it doesn't work, still use the |
| 865 | * normal error message. */ |
| 866 | if (bdrv_apply_auto_read_only(bs, NULL, NULL) == 0) { |
| 867 | open_flags = (open_flags & ~O_RDWR) | O_RDONLY; |
| 868 | s->fd = glfs_open(s->glfs, gconf->path, open_flags); |
| 869 | ret = s->fd ? 0 : -errno; |
| 870 | } |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 871 | } |
| 872 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 873 | s->supports_seek_data = qemu_gluster_test_seek(s->fd); |
| 874 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 875 | out: |
Kevin Wolf | b489477 | 2013-04-12 17:50:16 +0200 | [diff] [blame] | 876 | qemu_opts_del(opts); |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 877 | qapi_free_BlockdevOptionsGluster(gconf); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 878 | if (!ret) { |
| 879 | return ret; |
| 880 | } |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 881 | g_free(s->logfile); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 882 | if (s->fd) { |
| 883 | glfs_close(s->fd); |
| 884 | } |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 885 | |
| 886 | glfs_clear_preopened(s->glfs); |
| 887 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 888 | return ret; |
| 889 | } |
| 890 | |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 891 | static void qemu_gluster_refresh_limits(BlockDriverState *bs, Error **errp) |
| 892 | { |
| 893 | bs->bl.max_transfer = GLUSTER_MAX_TRANSFER; |
Fabian Ebner | 9b38fc5 | 2022-05-20 09:59:22 +0200 | [diff] [blame] | 894 | bs->bl.max_pdiscard = MIN(SIZE_MAX, INT64_MAX); |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 895 | } |
| 896 | |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 897 | static int qemu_gluster_reopen_prepare(BDRVReopenState *state, |
| 898 | BlockReopenQueue *queue, Error **errp) |
| 899 | { |
| 900 | int ret = 0; |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 901 | BDRVGlusterState *s; |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 902 | BDRVGlusterReopenState *reop_s; |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 903 | BlockdevOptionsGluster *gconf; |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 904 | int open_flags = 0; |
| 905 | |
| 906 | assert(state != NULL); |
| 907 | assert(state->bs != NULL); |
| 908 | |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 909 | s = state->bs->opaque; |
| 910 | |
Markus Armbruster | 5839e53 | 2014-08-19 10:31:08 +0200 | [diff] [blame] | 911 | state->opaque = g_new0(BDRVGlusterReopenState, 1); |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 912 | reop_s = state->opaque; |
| 913 | |
| 914 | qemu_gluster_parse_flags(state->flags, &open_flags); |
| 915 | |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 916 | gconf = g_new0(BlockdevOptionsGluster, 1); |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 917 | gconf->debug = s->debug; |
| 918 | gconf->has_debug = true; |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 919 | gconf->logfile = g_strdup(s->logfile); |
Stefano Garzarella | 0b1847b | 2019-07-15 15:28:44 +0200 | [diff] [blame] | 920 | |
| 921 | /* |
| 922 | * If 'state->bs->exact_filename' is empty, 'state->options' should contain |
| 923 | * the JSON parameters already parsed. |
| 924 | */ |
| 925 | if (state->bs->exact_filename[0] != '\0') { |
| 926 | reop_s->glfs = qemu_gluster_init(gconf, state->bs->exact_filename, NULL, |
| 927 | errp); |
| 928 | } else { |
| 929 | reop_s->glfs = qemu_gluster_init(gconf, NULL, state->options, errp); |
| 930 | } |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 931 | if (reop_s->glfs == NULL) { |
| 932 | ret = -errno; |
| 933 | goto exit; |
| 934 | } |
| 935 | |
Jeff Cody | d85fa9e | 2016-04-05 10:40:09 -0400 | [diff] [blame] | 936 | #ifdef CONFIG_GLUSTERFS_XLATOR_OPT |
| 937 | ret = glfs_set_xlator_option(reop_s->glfs, "*-write-behind", |
| 938 | "resync-failed-syncs-after-fsync", "on"); |
| 939 | if (ret < 0) { |
| 940 | error_setg_errno(errp, errno, "Unable to set xlator key/value pair"); |
| 941 | ret = -errno; |
| 942 | goto exit; |
| 943 | } |
| 944 | #endif |
| 945 | |
Prasanna Kumar Kalever | d5cf407 | 2016-07-19 22:27:29 +0530 | [diff] [blame] | 946 | reop_s->fd = glfs_open(reop_s->glfs, gconf->path, open_flags); |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 947 | if (reop_s->fd == NULL) { |
| 948 | /* reops->glfs will be cleaned up in _abort */ |
| 949 | ret = -errno; |
| 950 | goto exit; |
| 951 | } |
| 952 | |
| 953 | exit: |
| 954 | /* state->opaque will be freed in either the _abort or _commit */ |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 955 | qapi_free_BlockdevOptionsGluster(gconf); |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 956 | return ret; |
| 957 | } |
| 958 | |
| 959 | static void qemu_gluster_reopen_commit(BDRVReopenState *state) |
| 960 | { |
| 961 | BDRVGlusterReopenState *reop_s = state->opaque; |
| 962 | BDRVGlusterState *s = state->bs->opaque; |
| 963 | |
| 964 | |
| 965 | /* close the old */ |
| 966 | if (s->fd) { |
| 967 | glfs_close(s->fd); |
| 968 | } |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 969 | |
| 970 | glfs_clear_preopened(s->glfs); |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 971 | |
| 972 | /* use the newly opened image / connection */ |
| 973 | s->fd = reop_s->fd; |
| 974 | s->glfs = reop_s->glfs; |
| 975 | |
| 976 | g_free(state->opaque); |
| 977 | state->opaque = NULL; |
| 978 | |
| 979 | return; |
| 980 | } |
| 981 | |
| 982 | |
| 983 | static void qemu_gluster_reopen_abort(BDRVReopenState *state) |
| 984 | { |
| 985 | BDRVGlusterReopenState *reop_s = state->opaque; |
| 986 | |
| 987 | if (reop_s == NULL) { |
| 988 | return; |
| 989 | } |
| 990 | |
| 991 | if (reop_s->fd) { |
| 992 | glfs_close(reop_s->fd); |
| 993 | } |
| 994 | |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 995 | glfs_clear_preopened(reop_s->glfs); |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 996 | |
| 997 | g_free(state->opaque); |
| 998 | state->opaque = NULL; |
| 999 | |
| 1000 | return; |
| 1001 | } |
| 1002 | |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1003 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
Eric Blake | e88a36e | 2016-06-01 15:10:08 -0600 | [diff] [blame] | 1004 | static coroutine_fn int qemu_gluster_co_pwrite_zeroes(BlockDriverState *bs, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1005 | int64_t offset, |
Vladimir Sementsov-Ogievskiy | f34b2bc | 2021-09-03 13:28:03 +0300 | [diff] [blame] | 1006 | int64_t bytes, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1007 | BdrvRequestFlags flags) |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1008 | { |
| 1009 | int ret; |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1010 | GlusterAIOCB acb; |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1011 | BDRVGlusterState *s = bs->opaque; |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1012 | |
Vladimir Sementsov-Ogievskiy | f34b2bc | 2021-09-03 13:28:03 +0300 | [diff] [blame] | 1013 | acb.size = bytes; |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1014 | acb.ret = 0; |
| 1015 | acb.coroutine = qemu_coroutine_self(); |
| 1016 | acb.aio_context = bdrv_get_aio_context(bs); |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1017 | |
Vladimir Sementsov-Ogievskiy | f34b2bc | 2021-09-03 13:28:03 +0300 | [diff] [blame] | 1018 | ret = glfs_zerofill_async(s->fd, offset, bytes, gluster_finish_aiocb, &acb); |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1019 | if (ret < 0) { |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1020 | return -errno; |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1021 | } |
| 1022 | |
| 1023 | qemu_coroutine_yield(); |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1024 | return acb.ret; |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1025 | } |
| 1026 | #endif |
| 1027 | |
Max Reitz | 36e8790 | 2018-02-13 14:03:51 +0100 | [diff] [blame] | 1028 | static int qemu_gluster_do_truncate(struct glfs_fd *fd, int64_t offset, |
| 1029 | PreallocMode prealloc, Error **errp) |
| 1030 | { |
Max Reitz | f3a33f7 | 2018-02-13 14:03:52 +0100 | [diff] [blame] | 1031 | int64_t current_length; |
| 1032 | |
| 1033 | current_length = glfs_lseek(fd, 0, SEEK_END); |
| 1034 | if (current_length < 0) { |
| 1035 | error_setg_errno(errp, errno, "Failed to determine current size"); |
| 1036 | return -errno; |
| 1037 | } |
| 1038 | |
| 1039 | if (current_length > offset && prealloc != PREALLOC_MODE_OFF) { |
| 1040 | error_setg(errp, "Cannot use preallocation for shrinking files"); |
| 1041 | return -ENOTSUP; |
| 1042 | } |
| 1043 | |
| 1044 | if (current_length == offset) { |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
Max Reitz | 36e8790 | 2018-02-13 14:03:51 +0100 | [diff] [blame] | 1048 | switch (prealloc) { |
| 1049 | #ifdef CONFIG_GLUSTERFS_FALLOCATE |
| 1050 | case PREALLOC_MODE_FALLOC: |
Max Reitz | f3a33f7 | 2018-02-13 14:03:52 +0100 | [diff] [blame] | 1051 | if (glfs_fallocate(fd, 0, current_length, offset - current_length)) { |
Max Reitz | 36e8790 | 2018-02-13 14:03:51 +0100 | [diff] [blame] | 1052 | error_setg_errno(errp, errno, "Could not preallocate data"); |
| 1053 | return -errno; |
| 1054 | } |
| 1055 | break; |
| 1056 | #endif /* CONFIG_GLUSTERFS_FALLOCATE */ |
| 1057 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
| 1058 | case PREALLOC_MODE_FULL: |
| 1059 | if (glfs_ftruncate(fd, offset)) { |
| 1060 | error_setg_errno(errp, errno, "Could not resize file"); |
| 1061 | return -errno; |
| 1062 | } |
Max Reitz | f3a33f7 | 2018-02-13 14:03:52 +0100 | [diff] [blame] | 1063 | if (glfs_zerofill(fd, current_length, offset - current_length)) { |
Max Reitz | 36e8790 | 2018-02-13 14:03:51 +0100 | [diff] [blame] | 1064 | error_setg_errno(errp, errno, "Could not zerofill the new area"); |
| 1065 | return -errno; |
| 1066 | } |
| 1067 | break; |
| 1068 | #endif /* CONFIG_GLUSTERFS_ZEROFILL */ |
| 1069 | case PREALLOC_MODE_OFF: |
| 1070 | if (glfs_ftruncate(fd, offset)) { |
| 1071 | error_setg_errno(errp, errno, "Could not resize file"); |
| 1072 | return -errno; |
| 1073 | } |
| 1074 | break; |
| 1075 | default: |
| 1076 | error_setg(errp, "Unsupported preallocation mode: %s", |
| 1077 | PreallocMode_str(prealloc)); |
| 1078 | return -EINVAL; |
| 1079 | } |
| 1080 | |
| 1081 | return 0; |
| 1082 | } |
| 1083 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1084 | static int qemu_gluster_co_create(BlockdevCreateOptions *options, |
| 1085 | Error **errp) |
| 1086 | { |
| 1087 | BlockdevCreateOptionsGluster *opts = &options->u.gluster; |
| 1088 | struct glfs *glfs; |
| 1089 | struct glfs_fd *fd = NULL; |
| 1090 | int ret = 0; |
| 1091 | |
| 1092 | assert(options->driver == BLOCKDEV_DRIVER_GLUSTER); |
| 1093 | |
| 1094 | glfs = qemu_gluster_glfs_init(opts->location, errp); |
| 1095 | if (!glfs) { |
| 1096 | ret = -errno; |
| 1097 | goto out; |
| 1098 | } |
| 1099 | |
| 1100 | fd = glfs_creat(glfs, opts->location->path, |
| 1101 | O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, S_IRUSR | S_IWUSR); |
| 1102 | if (!fd) { |
| 1103 | ret = -errno; |
| 1104 | goto out; |
| 1105 | } |
| 1106 | |
| 1107 | ret = qemu_gluster_do_truncate(fd, opts->size, opts->preallocation, errp); |
| 1108 | |
| 1109 | out: |
| 1110 | if (fd) { |
| 1111 | if (glfs_close(fd) != 0 && ret == 0) { |
| 1112 | ret = -errno; |
| 1113 | } |
| 1114 | } |
| 1115 | glfs_clear_preopened(glfs); |
| 1116 | return ret; |
| 1117 | } |
| 1118 | |
Maxim Levitsky | b92902d | 2020-03-26 03:12:17 +0200 | [diff] [blame] | 1119 | static int coroutine_fn qemu_gluster_co_create_opts(BlockDriver *drv, |
| 1120 | const char *filename, |
Stefan Hajnoczi | efc75e2 | 2018-01-18 13:43:45 +0100 | [diff] [blame] | 1121 | QemuOpts *opts, |
| 1122 | Error **errp) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1123 | { |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1124 | BlockdevCreateOptions *options; |
| 1125 | BlockdevCreateOptionsGluster *gopts; |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 1126 | BlockdevOptionsGluster *gconf; |
Chunyan Liu | 90c772d | 2014-06-05 17:20:54 +0800 | [diff] [blame] | 1127 | char *tmp = NULL; |
Niels de Vos | df3a429 | 2017-05-28 12:01:14 +0530 | [diff] [blame] | 1128 | Error *local_err = NULL; |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1129 | int ret; |
| 1130 | |
| 1131 | options = g_new0(BlockdevCreateOptions, 1); |
| 1132 | options->driver = BLOCKDEV_DRIVER_GLUSTER; |
| 1133 | gopts = &options->u.gluster; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1134 | |
Prasanna Kumar Kalever | 7edac2d | 2016-07-19 22:27:32 +0530 | [diff] [blame] | 1135 | gconf = g_new0(BlockdevOptionsGluster, 1); |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1136 | gopts->location = gconf; |
| 1137 | |
| 1138 | gopts->size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), |
| 1139 | BDRV_SECTOR_SIZE); |
| 1140 | |
| 1141 | tmp = qemu_opt_get_del(opts, BLOCK_OPT_PREALLOC); |
| 1142 | gopts->preallocation = qapi_enum_parse(&PreallocMode_lookup, tmp, |
| 1143 | PREALLOC_MODE_OFF, &local_err); |
| 1144 | g_free(tmp); |
| 1145 | if (local_err) { |
| 1146 | error_propagate(errp, local_err); |
| 1147 | ret = -EINVAL; |
| 1148 | goto fail; |
| 1149 | } |
| 1150 | |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 1151 | gconf->debug = qemu_opt_get_number_del(opts, GLUSTER_OPT_DEBUG, |
| 1152 | GLUSTER_DEBUG_DEFAULT); |
| 1153 | if (gconf->debug < 0) { |
| 1154 | gconf->debug = 0; |
| 1155 | } else if (gconf->debug > GLUSTER_DEBUG_MAX) { |
| 1156 | gconf->debug = GLUSTER_DEBUG_MAX; |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 1157 | } |
Prasanna Kumar Kalever | 1a417e4 | 2016-11-02 22:20:36 +0530 | [diff] [blame] | 1158 | gconf->has_debug = true; |
Jeff Cody | 7eac868 | 2016-04-07 17:24:19 -0400 | [diff] [blame] | 1159 | |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 1160 | gconf->logfile = qemu_opt_get_del(opts, GLUSTER_OPT_LOGFILE); |
| 1161 | if (!gconf->logfile) { |
| 1162 | gconf->logfile = g_strdup(GLUSTER_LOGFILE_DEFAULT); |
| 1163 | } |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 1164 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1165 | ret = qemu_gluster_parse(gconf, filename, NULL, errp); |
| 1166 | if (ret < 0) { |
| 1167 | goto fail; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1168 | } |
| 1169 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1170 | ret = qemu_gluster_co_create(options, errp); |
| 1171 | if (ret < 0) { |
| 1172 | goto fail; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1173 | } |
| 1174 | |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1175 | ret = 0; |
| 1176 | fail: |
| 1177 | qapi_free_BlockdevCreateOptions(options); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1178 | return ret; |
| 1179 | } |
| 1180 | |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1181 | static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1182 | int64_t sector_num, int nb_sectors, |
| 1183 | QEMUIOVector *qiov, int write) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1184 | { |
| 1185 | int ret; |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1186 | GlusterAIOCB acb; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1187 | BDRVGlusterState *s = bs->opaque; |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1188 | size_t size = nb_sectors * BDRV_SECTOR_SIZE; |
| 1189 | off_t offset = sector_num * BDRV_SECTOR_SIZE; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1190 | |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1191 | acb.size = size; |
| 1192 | acb.ret = 0; |
| 1193 | acb.coroutine = qemu_coroutine_self(); |
| 1194 | acb.aio_context = bdrv_get_aio_context(bs); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1195 | |
| 1196 | if (write) { |
| 1197 | ret = glfs_pwritev_async(s->fd, qiov->iov, qiov->niov, offset, 0, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1198 | gluster_finish_aiocb, &acb); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1199 | } else { |
| 1200 | ret = glfs_preadv_async(s->fd, qiov->iov, qiov->niov, offset, 0, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1201 | gluster_finish_aiocb, &acb); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | if (ret < 0) { |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1205 | return -errno; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1206 | } |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1207 | |
| 1208 | qemu_coroutine_yield(); |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1209 | return acb.ret; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1210 | } |
| 1211 | |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1212 | static coroutine_fn int qemu_gluster_co_truncate(BlockDriverState *bs, |
| 1213 | int64_t offset, |
Max Reitz | c80d8b0 | 2019-09-18 11:51:40 +0200 | [diff] [blame] | 1214 | bool exact, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1215 | PreallocMode prealloc, |
Kevin Wolf | 92b9279 | 2020-04-24 14:54:39 +0200 | [diff] [blame] | 1216 | BdrvRequestFlags flags, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1217 | Error **errp) |
Paolo Bonzini | 42ec24e | 2013-07-19 19:51:33 +0530 | [diff] [blame] | 1218 | { |
Paolo Bonzini | 42ec24e | 2013-07-19 19:51:33 +0530 | [diff] [blame] | 1219 | BDRVGlusterState *s = bs->opaque; |
Max Reitz | c3132af | 2018-02-13 14:03:53 +0100 | [diff] [blame] | 1220 | return qemu_gluster_do_truncate(s->fd, offset, prealloc, errp); |
Paolo Bonzini | 42ec24e | 2013-07-19 19:51:33 +0530 | [diff] [blame] | 1221 | } |
| 1222 | |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1223 | static coroutine_fn int qemu_gluster_co_readv(BlockDriverState *bs, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1224 | int64_t sector_num, |
| 1225 | int nb_sectors, |
| 1226 | QEMUIOVector *qiov) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1227 | { |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1228 | return qemu_gluster_co_rw(bs, sector_num, nb_sectors, qiov, 0); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1229 | } |
| 1230 | |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1231 | static coroutine_fn int qemu_gluster_co_writev(BlockDriverState *bs, |
Prasanna Kumar Kalever | f70c50c | 2016-07-19 22:27:30 +0530 | [diff] [blame] | 1232 | int64_t sector_num, |
| 1233 | int nb_sectors, |
Eric Blake | e18a58b | 2018-04-24 17:01:57 -0500 | [diff] [blame] | 1234 | QEMUIOVector *qiov, |
| 1235 | int flags) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1236 | { |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1237 | return qemu_gluster_co_rw(bs, sector_num, nb_sectors, qiov, 1); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1238 | } |
| 1239 | |
Jeff Cody | 5d4343e | 2016-04-15 16:29:06 -0400 | [diff] [blame] | 1240 | static void qemu_gluster_close(BlockDriverState *bs) |
| 1241 | { |
| 1242 | BDRVGlusterState *s = bs->opaque; |
| 1243 | |
Prasanna Kumar Kalever | e9db8ff | 2016-07-22 20:26:48 +0530 | [diff] [blame] | 1244 | g_free(s->logfile); |
Jeff Cody | 5d4343e | 2016-04-15 16:29:06 -0400 | [diff] [blame] | 1245 | if (s->fd) { |
| 1246 | glfs_close(s->fd); |
| 1247 | s->fd = NULL; |
| 1248 | } |
Prasanna Kumar Kalever | 6349c15 | 2016-10-27 20:54:50 +0530 | [diff] [blame] | 1249 | glfs_clear_preopened(s->glfs); |
Jeff Cody | 5d4343e | 2016-04-15 16:29:06 -0400 | [diff] [blame] | 1250 | } |
| 1251 | |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1252 | static coroutine_fn int qemu_gluster_co_flush_to_disk(BlockDriverState *bs) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1253 | { |
| 1254 | int ret; |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1255 | GlusterAIOCB acb; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1256 | BDRVGlusterState *s = bs->opaque; |
| 1257 | |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1258 | acb.size = 0; |
| 1259 | acb.ret = 0; |
| 1260 | acb.coroutine = qemu_coroutine_self(); |
| 1261 | acb.aio_context = bdrv_get_aio_context(bs); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1262 | |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1263 | ret = glfs_fsync_async(s->fd, gluster_finish_aiocb, &acb); |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1264 | if (ret < 0) { |
Jeff Cody | d85fa9e | 2016-04-05 10:40:09 -0400 | [diff] [blame] | 1265 | ret = -errno; |
| 1266 | goto error; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1267 | } |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1268 | |
| 1269 | qemu_coroutine_yield(); |
Jeff Cody | d85fa9e | 2016-04-05 10:40:09 -0400 | [diff] [blame] | 1270 | if (acb.ret < 0) { |
| 1271 | ret = acb.ret; |
| 1272 | goto error; |
| 1273 | } |
| 1274 | |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1275 | return acb.ret; |
Jeff Cody | d85fa9e | 2016-04-05 10:40:09 -0400 | [diff] [blame] | 1276 | |
| 1277 | error: |
| 1278 | /* Some versions of Gluster (3.5.6 -> 3.5.8?) will not retain its cache |
| 1279 | * after a fsync failure, so we have no way of allowing the guest to safely |
| 1280 | * continue. Gluster versions prior to 3.5.6 don't retain the cache |
| 1281 | * either, but will invalidate the fd on error, so this is again our only |
| 1282 | * option. |
| 1283 | * |
| 1284 | * The 'resync-failed-syncs-after-fsync' xlator option for the |
| 1285 | * write-behind cache will cause later gluster versions to retain its |
| 1286 | * cache after error, so long as the fd remains open. However, we |
| 1287 | * currently have no way of knowing if this option is supported. |
| 1288 | * |
| 1289 | * TODO: Once gluster provides a way for us to determine if the option |
| 1290 | * is supported, bypass the closure and setting drv to NULL. */ |
| 1291 | qemu_gluster_close(bs); |
| 1292 | bs->drv = NULL; |
| 1293 | return ret; |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1294 | } |
| 1295 | |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1296 | #ifdef CONFIG_GLUSTERFS_DISCARD |
Eric Blake | 1014170 | 2016-07-15 17:23:00 -0600 | [diff] [blame] | 1297 | static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs, |
Vladimir Sementsov-Ogievskiy | 0c80228 | 2021-09-03 13:28:06 +0300 | [diff] [blame] | 1298 | int64_t offset, int64_t bytes) |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1299 | { |
| 1300 | int ret; |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1301 | GlusterAIOCB acb; |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1302 | BDRVGlusterState *s = bs->opaque; |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1303 | |
Vladimir Sementsov-Ogievskiy | 0c80228 | 2021-09-03 13:28:06 +0300 | [diff] [blame] | 1304 | assert(bytes <= SIZE_MAX); /* rely on max_pdiscard */ |
| 1305 | |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1306 | acb.size = 0; |
| 1307 | acb.ret = 0; |
| 1308 | acb.coroutine = qemu_coroutine_self(); |
| 1309 | acb.aio_context = bdrv_get_aio_context(bs); |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1310 | |
Vladimir Sementsov-Ogievskiy | 0c80228 | 2021-09-03 13:28:06 +0300 | [diff] [blame] | 1311 | ret = glfs_discard_async(s->fd, offset, bytes, gluster_finish_aiocb, &acb); |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1312 | if (ret < 0) { |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1313 | return -errno; |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1314 | } |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1315 | |
| 1316 | qemu_coroutine_yield(); |
Paolo Bonzini | c833d1e | 2015-10-01 13:04:38 +0200 | [diff] [blame] | 1317 | return acb.ret; |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1318 | } |
| 1319 | #endif |
| 1320 | |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1321 | static int64_t coroutine_fn qemu_gluster_co_getlength(BlockDriverState *bs) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1322 | { |
| 1323 | BDRVGlusterState *s = bs->opaque; |
| 1324 | int64_t ret; |
| 1325 | |
| 1326 | ret = glfs_lseek(s->fd, 0, SEEK_END); |
| 1327 | if (ret < 0) { |
| 1328 | return -errno; |
| 1329 | } else { |
| 1330 | return ret; |
| 1331 | } |
| 1332 | } |
| 1333 | |
Emanuele Giuseppe Esposito | 82618d7 | 2023-01-13 21:42:07 +0100 | [diff] [blame] | 1334 | static int64_t coroutine_fn |
| 1335 | qemu_gluster_co_get_allocated_file_size(BlockDriverState *bs) |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1336 | { |
| 1337 | BDRVGlusterState *s = bs->opaque; |
| 1338 | struct stat st; |
| 1339 | int ret; |
| 1340 | |
| 1341 | ret = glfs_fstat(s->fd, &st); |
| 1342 | if (ret < 0) { |
| 1343 | return -errno; |
| 1344 | } else { |
| 1345 | return st.st_blocks * 512; |
| 1346 | } |
| 1347 | } |
| 1348 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1349 | /* |
| 1350 | * Find allocation range in @bs around offset @start. |
| 1351 | * May change underlying file descriptor's file offset. |
| 1352 | * If @start is not in a hole, store @start in @data, and the |
| 1353 | * beginning of the next hole in @hole, and return 0. |
| 1354 | * If @start is in a non-trailing hole, store @start in @hole and the |
| 1355 | * beginning of the next non-hole in @data, and return 0. |
| 1356 | * If @start is in a trailing hole or beyond EOF, return -ENXIO. |
| 1357 | * If we can't find out, return a negative errno other than -ENXIO. |
| 1358 | * |
Stefan Weil | 50d6a8a | 2018-07-12 21:51:20 +0200 | [diff] [blame] | 1359 | * (Shamefully copied from file-posix.c, only minuscule adaptions.) |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1360 | */ |
| 1361 | static int find_allocation(BlockDriverState *bs, off_t start, |
| 1362 | off_t *data, off_t *hole) |
| 1363 | { |
| 1364 | BDRVGlusterState *s = bs->opaque; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1365 | |
| 1366 | if (!s->supports_seek_data) { |
Jeff Cody | d9b7897 | 2016-10-07 17:48:12 -0400 | [diff] [blame] | 1367 | goto exit; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1368 | } |
| 1369 | |
Jeff Cody | d9b7897 | 2016-10-07 17:48:12 -0400 | [diff] [blame] | 1370 | #if defined SEEK_HOLE && defined SEEK_DATA |
| 1371 | off_t offs; |
| 1372 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1373 | /* |
| 1374 | * SEEK_DATA cases: |
| 1375 | * D1. offs == start: start is in data |
| 1376 | * D2. offs > start: start is in a hole, next data at offs |
| 1377 | * D3. offs < 0, errno = ENXIO: either start is in a trailing hole |
| 1378 | * or start is beyond EOF |
| 1379 | * If the latter happens, the file has been truncated behind |
| 1380 | * our back since we opened it. All bets are off then. |
| 1381 | * Treating like a trailing hole is simplest. |
| 1382 | * D4. offs < 0, errno != ENXIO: we learned nothing |
| 1383 | */ |
| 1384 | offs = glfs_lseek(s->fd, start, SEEK_DATA); |
| 1385 | if (offs < 0) { |
| 1386 | return -errno; /* D3 or D4 */ |
| 1387 | } |
Jeff Cody | 223a23c | 2017-05-23 13:27:50 -0400 | [diff] [blame] | 1388 | |
| 1389 | if (offs < start) { |
| 1390 | /* This is not a valid return by lseek(). We are safe to just return |
| 1391 | * -EIO in this case, and we'll treat it like D4. Unfortunately some |
| 1392 | * versions of gluster server will return offs < start, so an assert |
| 1393 | * here will unnecessarily abort QEMU. */ |
| 1394 | return -EIO; |
| 1395 | } |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1396 | |
| 1397 | if (offs > start) { |
| 1398 | /* D2: in hole, next data at offs */ |
| 1399 | *hole = start; |
| 1400 | *data = offs; |
| 1401 | return 0; |
| 1402 | } |
| 1403 | |
| 1404 | /* D1: in data, end not yet known */ |
| 1405 | |
| 1406 | /* |
| 1407 | * SEEK_HOLE cases: |
| 1408 | * H1. offs == start: start is in a hole |
| 1409 | * If this happens here, a hole has been dug behind our back |
| 1410 | * since the previous lseek(). |
| 1411 | * H2. offs > start: either start is in data, next hole at offs, |
| 1412 | * or start is in trailing hole, EOF at offs |
| 1413 | * Linux treats trailing holes like any other hole: offs == |
| 1414 | * start. Solaris seeks to EOF instead: offs > start (blech). |
| 1415 | * If that happens here, a hole has been dug behind our back |
| 1416 | * since the previous lseek(). |
| 1417 | * H3. offs < 0, errno = ENXIO: start is beyond EOF |
| 1418 | * If this happens, the file has been truncated behind our |
| 1419 | * back since we opened it. Treat it like a trailing hole. |
| 1420 | * H4. offs < 0, errno != ENXIO: we learned nothing |
| 1421 | * Pretend we know nothing at all, i.e. "forget" about D1. |
| 1422 | */ |
| 1423 | offs = glfs_lseek(s->fd, start, SEEK_HOLE); |
| 1424 | if (offs < 0) { |
| 1425 | return -errno; /* D1 and (H3 or H4) */ |
| 1426 | } |
Jeff Cody | 223a23c | 2017-05-23 13:27:50 -0400 | [diff] [blame] | 1427 | |
| 1428 | if (offs < start) { |
| 1429 | /* This is not a valid return by lseek(). We are safe to just return |
| 1430 | * -EIO in this case, and we'll treat it like H4. Unfortunately some |
| 1431 | * versions of gluster server will return offs < start, so an assert |
| 1432 | * here will unnecessarily abort QEMU. */ |
| 1433 | return -EIO; |
| 1434 | } |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1435 | |
| 1436 | if (offs > start) { |
| 1437 | /* |
| 1438 | * D1 and H2: either in data, next hole at offs, or it was in |
| 1439 | * data but is now in a trailing hole. In the latter case, |
| 1440 | * all bets are off. Treating it as if it there was data all |
| 1441 | * the way to EOF is safe, so simply do that. |
| 1442 | */ |
| 1443 | *data = start; |
| 1444 | *hole = offs; |
| 1445 | return 0; |
| 1446 | } |
| 1447 | |
| 1448 | /* D1 and H1 */ |
| 1449 | return -EBUSY; |
Jeff Cody | d9b7897 | 2016-10-07 17:48:12 -0400 | [diff] [blame] | 1450 | #endif |
| 1451 | |
| 1452 | exit: |
| 1453 | return -ENOTSUP; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1454 | } |
| 1455 | |
| 1456 | /* |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1457 | * Returns the allocation status of the specified offset. |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1458 | * |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1459 | * The block layer guarantees 'offset' and 'bytes' are within bounds. |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1460 | * |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1461 | * 'pnum' is set to the number of bytes (including and immediately following |
| 1462 | * the specified offset) that are known to be in the same |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1463 | * allocated/unallocated state. |
| 1464 | * |
Hanna Reitz | 72b4cab | 2021-08-12 10:41:47 +0200 | [diff] [blame] | 1465 | * 'bytes' is a soft cap for 'pnum'. If the information is free, 'pnum' may |
| 1466 | * well exceed it. |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1467 | * |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1468 | * (Based on raw_co_block_status() from file-posix.c.) |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1469 | */ |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1470 | static int coroutine_fn qemu_gluster_co_block_status(BlockDriverState *bs, |
| 1471 | bool want_zero, |
| 1472 | int64_t offset, |
| 1473 | int64_t bytes, |
| 1474 | int64_t *pnum, |
| 1475 | int64_t *map, |
| 1476 | BlockDriverState **file) |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1477 | { |
| 1478 | BDRVGlusterState *s = bs->opaque; |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1479 | off_t data = 0, hole = 0; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1480 | int ret = -EINVAL; |
| 1481 | |
Max Reitz | e24154d | 2021-08-05 16:36:03 +0200 | [diff] [blame] | 1482 | assert(QEMU_IS_ALIGNED(offset | bytes, bs->bl.request_alignment)); |
| 1483 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1484 | if (!s->fd) { |
| 1485 | return ret; |
| 1486 | } |
| 1487 | |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1488 | if (!want_zero) { |
| 1489 | *pnum = bytes; |
| 1490 | *map = offset; |
| 1491 | *file = bs; |
| 1492 | return BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1493 | } |
| 1494 | |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1495 | ret = find_allocation(bs, offset, &data, &hole); |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1496 | if (ret == -ENXIO) { |
| 1497 | /* Trailing hole */ |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1498 | *pnum = bytes; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1499 | ret = BDRV_BLOCK_ZERO; |
| 1500 | } else if (ret < 0) { |
| 1501 | /* No info available, so pretend there are no holes */ |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1502 | *pnum = bytes; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1503 | ret = BDRV_BLOCK_DATA; |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1504 | } else if (data == offset) { |
| 1505 | /* On a data extent, compute bytes to the end of the extent, |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1506 | * possibly including a partial sector at EOF. */ |
Hanna Reitz | 72b4cab | 2021-08-12 10:41:47 +0200 | [diff] [blame] | 1507 | *pnum = hole - offset; |
Max Reitz | e24154d | 2021-08-05 16:36:03 +0200 | [diff] [blame] | 1508 | |
| 1509 | /* |
| 1510 | * We are not allowed to return partial sectors, though, so |
| 1511 | * round up if necessary. |
| 1512 | */ |
| 1513 | if (!QEMU_IS_ALIGNED(*pnum, bs->bl.request_alignment)) { |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1514 | int64_t file_length = qemu_gluster_co_getlength(bs); |
Max Reitz | e24154d | 2021-08-05 16:36:03 +0200 | [diff] [blame] | 1515 | if (file_length > 0) { |
| 1516 | /* Ignore errors, this is just a safeguard */ |
| 1517 | assert(hole == file_length); |
| 1518 | } |
| 1519 | *pnum = ROUND_UP(*pnum, bs->bl.request_alignment); |
| 1520 | } |
| 1521 | |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1522 | ret = BDRV_BLOCK_DATA; |
| 1523 | } else { |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1524 | /* On a hole, compute bytes to the beginning of the next extent. */ |
| 1525 | assert(hole == offset); |
Hanna Reitz | 72b4cab | 2021-08-12 10:41:47 +0200 | [diff] [blame] | 1526 | *pnum = data - offset; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1527 | ret = BDRV_BLOCK_ZERO; |
| 1528 | } |
| 1529 | |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1530 | *map = offset; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1531 | *file = bs; |
| 1532 | |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1533 | return ret | BDRV_BLOCK_OFFSET_VALID; |
Niels de Vos | 947eb20 | 2016-03-10 19:38:00 +0100 | [diff] [blame] | 1534 | } |
| 1535 | |
| 1536 | |
Max Reitz | 2654267 | 2019-02-01 20:29:25 +0100 | [diff] [blame] | 1537 | static const char *const gluster_strong_open_opts[] = { |
| 1538 | GLUSTER_OPT_VOLUME, |
| 1539 | GLUSTER_OPT_PATH, |
| 1540 | GLUSTER_OPT_TYPE, |
| 1541 | GLUSTER_OPT_SERVER_PATTERN, |
| 1542 | GLUSTER_OPT_HOST, |
| 1543 | GLUSTER_OPT_PORT, |
| 1544 | GLUSTER_OPT_TO, |
| 1545 | GLUSTER_OPT_IPV4, |
| 1546 | GLUSTER_OPT_IPV6, |
| 1547 | GLUSTER_OPT_SOCKET, |
| 1548 | |
| 1549 | NULL |
| 1550 | }; |
| 1551 | |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1552 | static BlockDriver bdrv_gluster = { |
| 1553 | .format_name = "gluster", |
| 1554 | .protocol_name = "gluster", |
| 1555 | .instance_size = sizeof(BDRVGlusterState), |
| 1556 | .bdrv_file_open = qemu_gluster_open, |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 1557 | .bdrv_reopen_prepare = qemu_gluster_reopen_prepare, |
| 1558 | .bdrv_reopen_commit = qemu_gluster_reopen_commit, |
| 1559 | .bdrv_reopen_abort = qemu_gluster_reopen_abort, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1560 | .bdrv_close = qemu_gluster_close, |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1561 | .bdrv_co_create = qemu_gluster_co_create, |
Stefan Hajnoczi | efc75e2 | 2018-01-18 13:43:45 +0100 | [diff] [blame] | 1562 | .bdrv_co_create_opts = qemu_gluster_co_create_opts, |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1563 | .bdrv_co_getlength = qemu_gluster_co_getlength, |
Emanuele Giuseppe Esposito | 82618d7 | 2023-01-13 21:42:07 +0100 | [diff] [blame] | 1564 | .bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1565 | .bdrv_co_truncate = qemu_gluster_co_truncate, |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1566 | .bdrv_co_readv = qemu_gluster_co_readv, |
| 1567 | .bdrv_co_writev = qemu_gluster_co_writev, |
| 1568 | .bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1569 | #ifdef CONFIG_GLUSTERFS_DISCARD |
Eric Blake | 1014170 | 2016-07-15 17:23:00 -0600 | [diff] [blame] | 1570 | .bdrv_co_pdiscard = qemu_gluster_co_pdiscard, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1571 | #endif |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1572 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
Eric Blake | e88a36e | 2016-06-01 15:10:08 -0600 | [diff] [blame] | 1573 | .bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes, |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1574 | #endif |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1575 | .bdrv_co_block_status = qemu_gluster_co_block_status, |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 1576 | .bdrv_refresh_limits = qemu_gluster_refresh_limits, |
Chunyan Liu | 90c772d | 2014-06-05 17:20:54 +0800 | [diff] [blame] | 1577 | .create_opts = &qemu_gluster_create_opts, |
Max Reitz | 2654267 | 2019-02-01 20:29:25 +0100 | [diff] [blame] | 1578 | .strong_runtime_opts = gluster_strong_open_opts, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1579 | }; |
| 1580 | |
| 1581 | static BlockDriver bdrv_gluster_tcp = { |
| 1582 | .format_name = "gluster", |
| 1583 | .protocol_name = "gluster+tcp", |
| 1584 | .instance_size = sizeof(BDRVGlusterState), |
| 1585 | .bdrv_file_open = qemu_gluster_open, |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 1586 | .bdrv_reopen_prepare = qemu_gluster_reopen_prepare, |
| 1587 | .bdrv_reopen_commit = qemu_gluster_reopen_commit, |
| 1588 | .bdrv_reopen_abort = qemu_gluster_reopen_abort, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1589 | .bdrv_close = qemu_gluster_close, |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1590 | .bdrv_co_create = qemu_gluster_co_create, |
Stefan Hajnoczi | efc75e2 | 2018-01-18 13:43:45 +0100 | [diff] [blame] | 1591 | .bdrv_co_create_opts = qemu_gluster_co_create_opts, |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1592 | .bdrv_co_getlength = qemu_gluster_co_getlength, |
Emanuele Giuseppe Esposito | 82618d7 | 2023-01-13 21:42:07 +0100 | [diff] [blame] | 1593 | .bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1594 | .bdrv_co_truncate = qemu_gluster_co_truncate, |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1595 | .bdrv_co_readv = qemu_gluster_co_readv, |
| 1596 | .bdrv_co_writev = qemu_gluster_co_writev, |
| 1597 | .bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1598 | #ifdef CONFIG_GLUSTERFS_DISCARD |
Eric Blake | 1014170 | 2016-07-15 17:23:00 -0600 | [diff] [blame] | 1599 | .bdrv_co_pdiscard = qemu_gluster_co_pdiscard, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1600 | #endif |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1601 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
Eric Blake | e88a36e | 2016-06-01 15:10:08 -0600 | [diff] [blame] | 1602 | .bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes, |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1603 | #endif |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1604 | .bdrv_co_block_status = qemu_gluster_co_block_status, |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 1605 | .bdrv_refresh_limits = qemu_gluster_refresh_limits, |
Chunyan Liu | 90c772d | 2014-06-05 17:20:54 +0800 | [diff] [blame] | 1606 | .create_opts = &qemu_gluster_create_opts, |
Max Reitz | 2654267 | 2019-02-01 20:29:25 +0100 | [diff] [blame] | 1607 | .strong_runtime_opts = gluster_strong_open_opts, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1608 | }; |
| 1609 | |
| 1610 | static BlockDriver bdrv_gluster_unix = { |
| 1611 | .format_name = "gluster", |
| 1612 | .protocol_name = "gluster+unix", |
| 1613 | .instance_size = sizeof(BDRVGlusterState), |
| 1614 | .bdrv_file_open = qemu_gluster_open, |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 1615 | .bdrv_reopen_prepare = qemu_gluster_reopen_prepare, |
| 1616 | .bdrv_reopen_commit = qemu_gluster_reopen_commit, |
| 1617 | .bdrv_reopen_abort = qemu_gluster_reopen_abort, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1618 | .bdrv_close = qemu_gluster_close, |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1619 | .bdrv_co_create = qemu_gluster_co_create, |
Stefan Hajnoczi | efc75e2 | 2018-01-18 13:43:45 +0100 | [diff] [blame] | 1620 | .bdrv_co_create_opts = qemu_gluster_co_create_opts, |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1621 | .bdrv_co_getlength = qemu_gluster_co_getlength, |
Emanuele Giuseppe Esposito | 82618d7 | 2023-01-13 21:42:07 +0100 | [diff] [blame] | 1622 | .bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1623 | .bdrv_co_truncate = qemu_gluster_co_truncate, |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1624 | .bdrv_co_readv = qemu_gluster_co_readv, |
| 1625 | .bdrv_co_writev = qemu_gluster_co_writev, |
| 1626 | .bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1627 | #ifdef CONFIG_GLUSTERFS_DISCARD |
Eric Blake | 1014170 | 2016-07-15 17:23:00 -0600 | [diff] [blame] | 1628 | .bdrv_co_pdiscard = qemu_gluster_co_pdiscard, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1629 | #endif |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1630 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
Eric Blake | e88a36e | 2016-06-01 15:10:08 -0600 | [diff] [blame] | 1631 | .bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes, |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1632 | #endif |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1633 | .bdrv_co_block_status = qemu_gluster_co_block_status, |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 1634 | .bdrv_refresh_limits = qemu_gluster_refresh_limits, |
Chunyan Liu | 90c772d | 2014-06-05 17:20:54 +0800 | [diff] [blame] | 1635 | .create_opts = &qemu_gluster_create_opts, |
Max Reitz | 2654267 | 2019-02-01 20:29:25 +0100 | [diff] [blame] | 1636 | .strong_runtime_opts = gluster_strong_open_opts, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1637 | }; |
| 1638 | |
Prasanna Kumar Kalever | 0552ff2 | 2016-07-19 22:27:31 +0530 | [diff] [blame] | 1639 | /* rdma is deprecated (actually never supported for volfile fetch). |
| 1640 | * Let's maintain it for the protocol compatibility, to make sure things |
| 1641 | * won't break immediately. For now, gluster+rdma will fall back to gluster+tcp |
| 1642 | * protocol with a warning. |
| 1643 | * TODO: remove gluster+rdma interface support |
| 1644 | */ |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1645 | static BlockDriver bdrv_gluster_rdma = { |
| 1646 | .format_name = "gluster", |
| 1647 | .protocol_name = "gluster+rdma", |
| 1648 | .instance_size = sizeof(BDRVGlusterState), |
| 1649 | .bdrv_file_open = qemu_gluster_open, |
Jeff Cody | adccfbc | 2014-02-17 11:11:12 -0500 | [diff] [blame] | 1650 | .bdrv_reopen_prepare = qemu_gluster_reopen_prepare, |
| 1651 | .bdrv_reopen_commit = qemu_gluster_reopen_commit, |
| 1652 | .bdrv_reopen_abort = qemu_gluster_reopen_abort, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1653 | .bdrv_close = qemu_gluster_close, |
Kevin Wolf | ab8bda7 | 2018-01-31 16:27:38 +0100 | [diff] [blame] | 1654 | .bdrv_co_create = qemu_gluster_co_create, |
Stefan Hajnoczi | efc75e2 | 2018-01-18 13:43:45 +0100 | [diff] [blame] | 1655 | .bdrv_co_create_opts = qemu_gluster_co_create_opts, |
Emanuele Giuseppe Esposito | c86422c | 2023-01-13 21:42:04 +0100 | [diff] [blame] | 1656 | .bdrv_co_getlength = qemu_gluster_co_getlength, |
Emanuele Giuseppe Esposito | 82618d7 | 2023-01-13 21:42:07 +0100 | [diff] [blame] | 1657 | .bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size, |
Kevin Wolf | 061ca8a | 2018-06-21 17:54:35 +0200 | [diff] [blame] | 1658 | .bdrv_co_truncate = qemu_gluster_co_truncate, |
Bharata B Rao | 15744b0 | 2013-12-21 14:51:24 +0530 | [diff] [blame] | 1659 | .bdrv_co_readv = qemu_gluster_co_readv, |
| 1660 | .bdrv_co_writev = qemu_gluster_co_writev, |
| 1661 | .bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1662 | #ifdef CONFIG_GLUSTERFS_DISCARD |
Eric Blake | 1014170 | 2016-07-15 17:23:00 -0600 | [diff] [blame] | 1663 | .bdrv_co_pdiscard = qemu_gluster_co_pdiscard, |
Bharata B Rao | 0c14fb4 | 2013-07-16 21:47:42 +0530 | [diff] [blame] | 1664 | #endif |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1665 | #ifdef CONFIG_GLUSTERFS_ZEROFILL |
Eric Blake | e88a36e | 2016-06-01 15:10:08 -0600 | [diff] [blame] | 1666 | .bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes, |
Bharata B Rao | 7c81537 | 2013-12-21 14:51:25 +0530 | [diff] [blame] | 1667 | #endif |
Eric Blake | 08c9e77 | 2018-02-13 14:26:45 -0600 | [diff] [blame] | 1668 | .bdrv_co_block_status = qemu_gluster_co_block_status, |
Stefano Garzarella | de23e72 | 2019-03-28 11:52:27 +0100 | [diff] [blame] | 1669 | .bdrv_refresh_limits = qemu_gluster_refresh_limits, |
Chunyan Liu | 90c772d | 2014-06-05 17:20:54 +0800 | [diff] [blame] | 1670 | .create_opts = &qemu_gluster_create_opts, |
Max Reitz | 2654267 | 2019-02-01 20:29:25 +0100 | [diff] [blame] | 1671 | .strong_runtime_opts = gluster_strong_open_opts, |
Bharata B Rao | 8d6d89c | 2012-09-27 19:30:32 +0530 | [diff] [blame] | 1672 | }; |
| 1673 | |
| 1674 | static void bdrv_gluster_init(void) |
| 1675 | { |
| 1676 | bdrv_register(&bdrv_gluster_rdma); |
| 1677 | bdrv_register(&bdrv_gluster_unix); |
| 1678 | bdrv_register(&bdrv_gluster_tcp); |
| 1679 | bdrv_register(&bdrv_gluster); |
| 1680 | } |
| 1681 | |
| 1682 | block_init(bdrv_gluster_init); |