debuggers.hg

annotate tools/libxl/libxl.c @ 20629:10729bee8f8a

libxenlight: domain resume

Added libxenlight implementation for resume domain.
This brings back a cooperative pv domain from the
shutdown state after save, enabling checkpointing.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.com>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Dec 04 07:11:06 2009 +0000 (2009-12-04)
parents 27e02e517be5
children fde8e69858b0
rev   line source
keir@20462 1 /*
keir@20462 2 * Copyright (C) 2009 Citrix Ltd.
keir@20462 3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462 4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462 5 *
keir@20462 6 * This program is free software; you can redistribute it and/or modify
keir@20462 7 * it under the terms of the GNU Lesser General Public License as published
keir@20462 8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462 9 * exception on linking described in file LICENSE.
keir@20462 10 *
keir@20462 11 * This program is distributed in the hope that it will be useful,
keir@20462 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462 14 * GNU Lesser General Public License for more details.
keir@20462 15 */
keir@20462 16
keir@20513 17 #include "libxl_osdeps.h"
keir@20513 18
keir@20462 19 #include <stdio.h>
keir@20462 20 #include <string.h>
keir@20462 21 #include <stdlib.h>
keir@20462 22 #include <sys/types.h>
keir@20462 23 #include <fcntl.h>
keir@20462 24 #include <sys/select.h>
keir@20514 25 #include <sys/wait.h>
keir@20462 26 #include <signal.h>
keir@20468 27 #include <unistd.h> /* for write, unlink and close */
keir@20509 28 #include <stdint.h>
keir@20509 29 #include <inttypes.h>
keir@20514 30 #include <assert.h>
keir@20513 31
keir@20462 32 #include "libxl.h"
keir@20462 33 #include "libxl_utils.h"
keir@20462 34 #include "libxl_internal.h"
keir@20462 35 #include "flexarray.h"
keir@20462 36
keir@20462 37 int libxl_ctx_init(struct libxl_ctx *ctx)
keir@20462 38 {
keir@20462 39 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462 40 ctx->alloc_maxsize = 256;
keir@20462 41 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462 42 if (!ctx->alloc_ptrs)
keir@20462 43 return ERROR_NOMEM;
keir@20462 44
keir@20462 45 ctx->xch = xc_interface_open();
keir@20462 46 ctx->xsh = xs_daemon_open();
keir@20514 47
keir@20514 48 ctx->waitpid_instead= libxl_waitpid_instead_default;
keir@20462 49 return 0;
keir@20462 50 }
keir@20462 51
keir@20462 52 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462 53 {
keir@20462 54 libxl_free_all(ctx);
keir@20462 55 free(ctx->alloc_ptrs);
keir@20545 56 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20545 57 if (!ctx->alloc_ptrs)
keir@20545 58 return ERROR_NOMEM;
keir@20545 59 return 0;
keir@20545 60 }
keir@20545 61
keir@20545 62 int libxl_ctx_close(struct libxl_ctx *ctx)
keir@20545 63 {
keir@20545 64 libxl_ctx_free(ctx);
keir@20545 65 free(ctx->alloc_ptrs);
keir@20462 66 xc_interface_close(ctx->xch);
keir@20545 67 xs_daemon_close(ctx->xsh);
keir@20462 68 return 0;
keir@20462 69 }
keir@20462 70
keir@20462 71 int libxl_ctx_set_log(struct libxl_ctx *ctx, libxl_log_callback log_callback, void *log_data)
keir@20462 72 {
keir@20462 73 ctx->log_callback = log_callback;
keir@20462 74 ctx->log_userdata = log_data;
keir@20462 75 return 0;
keir@20462 76 }
keir@20462 77
keir@20462 78 /******************************************************************************/
keir@20462 79
keir@20462 80 int libxl_domain_make(struct libxl_ctx *ctx, libxl_domain_create_info *info,
keir@20462 81 uint32_t *domid)
keir@20462 82 {
keir@20462 83 int flags, ret, i;
keir@20468 84 char *uuid_string;
keir@20583 85 char *rw_paths[] = { "device", "device/suspend/event-channel" };
keir@20462 86 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20462 87 "control", "attr", "data", "messages" };
keir@20462 88 char *dom_path, *vm_path, *vss_path;
keir@20462 89 struct xs_permissions roperm[2];
keir@20462 90 struct xs_permissions rwperm[1];
keir@20462 91 xs_transaction_t t;
keir@20468 92 xen_domain_handle_t handle;
keir@20462 93
keir@20468 94 uuid_string = libxl_uuid_to_string(ctx, info->uuid);
keir@20462 95 if (!uuid_string) {
keir@20462 96 XL_LOG(ctx, XL_LOG_ERROR, "missing uuid");
keir@20462 97 return ERROR_FAIL;
keir@20462 98 }
keir@20462 99
keir@20462 100 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462 101 flags |= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@20462 102 *domid = 0;
keir@20462 103
keir@20580 104 /*
keir@20468 105 * info->uuid != xen_domain_handle_t
keir@20468 106 * See:
keir@20468 107 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
keir@20468 108 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
keir@20468 109 *
keir@20468 110 * A DCE 1.1 compatible source representation of UUIDs.
keir@20468 111 *
keir@20468 112 * struct uuid {
keir@20468 113 * uint32_t time_low;
keir@20468 114 * uint16_t time_mid;
keir@20468 115 * uint16_t time_hi_and_version;
keir@20468 116 * uint8_t clock_seq_hi_and_reserved;
keir@20468 117 * uint8_t clock_seq_low;
keir@20468 118 * uint8_t node[_UUID_NODE_LEN];
keir@20468 119 * };
keir@20468 120 */
keir@20580 121 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580 122 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468 123
keir@20468 124 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 125 if (ret < 0) {
keir@20512 126 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462 127 return ERROR_FAIL;
keir@20462 128 }
keir@20462 129
keir@20462 130 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512 131 if (!dom_path)
keir@20512 132 return ERROR_FAIL;
keir@20512 133
keir@20462 134 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462 135 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512 136 if (!vm_path || !vss_path) {
keir@20462 137 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462 138 return ERROR_FAIL;
keir@20462 139 }
keir@20462 140
keir@20462 141 roperm[0].id = 0;
keir@20462 142 roperm[0].perms = XS_PERM_NONE;
keir@20462 143 roperm[1].id = *domid;
keir@20462 144 roperm[1].perms = XS_PERM_READ;
keir@20462 145 rwperm[0].id = *domid;
keir@20462 146 rwperm[0].perms = XS_PERM_NONE;
keir@20462 147
keir@20462 148 retry_transaction:
keir@20462 149 t = xs_transaction_start(ctx->xsh);
keir@20462 150 xs_rm(ctx->xsh, t, dom_path);
keir@20462 151 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 152 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 153
keir@20462 154 xs_rm(ctx->xsh, t, vm_path);
keir@20462 155 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 156 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 157
keir@20462 158 xs_rm(ctx->xsh, t, vss_path);
keir@20462 159 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462 160 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 161
keir@20462 162 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462 163 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462 164 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462 165
keir@20462 166 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462 167 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462 168 xs_mkdir(ctx->xsh, t, path);
keir@20462 169 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 170 libxl_free(ctx, path);
keir@20462 171 }
keir@20462 172 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462 173 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462 174 xs_mkdir(ctx->xsh, t, path);
keir@20462 175 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 176 libxl_free(ctx, path);
keir@20462 177 }
keir@20462 178
keir@20462 179 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462 180 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462 181
keir@20462 182 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462 183 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462 184
keir@20462 185 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 186
keir@20462 187 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 188 if (errno == EAGAIN)
keir@20462 189 goto retry_transaction;
keir@20462 190 return 0;
keir@20462 191 }
keir@20462 192
keir@20516 193 int libxl_domain_build(struct libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 194 {
keir@20462 195 char **vments = NULL, **localents = NULL;
keir@20578 196 int i;
keir@20462 197
keir@20509 198 build_pre(ctx, domid, info, state);
keir@20462 199 if (info->hvm) {
keir@20509 200 build_hvm(ctx, domid, info, state);
keir@20509 201 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 202 vments[0] = "rtc/timeoffset";
keir@20516 203 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 204 vments[2] = "image/ostype";
keir@20516 205 vments[3] = "hvm";
keir@20462 206 } else {
keir@20509 207 build_pv(ctx, domid, info, state);
keir@20509 208 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578 209 i = 0;
keir@20578 210 vments[i++] = "image/ostype";
keir@20578 211 vments[i++] = "linux";
keir@20578 212 vments[i++] = "image/kernel";
keir@20578 213 vments[i++] = (char*) info->kernel;
keir@20578 214 if (info->u.pv.ramdisk) {
keir@20578 215 vments[i++] = "image/ramdisk";
keir@20578 216 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578 217 }
keir@20578 218 if (info->u.pv.cmdline) {
keir@20578 219 vments[i++] = "image/cmdline";
keir@20578 220 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 221 }
keir@20462 222 }
keir@20509 223 build_post(ctx, domid, info, state, vments, localents);
keir@20516 224 return 0;
keir@20462 225 }
keir@20462 226
keir@20462 227 int libxl_domain_restore(struct libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 228 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 229 libxl_device_model_info *dm_info)
keir@20462 230 {
keir@20462 231 char **vments = NULL, **localents = NULL;
keir@20627 232 int i;
keir@20462 233
keir@20565 234 build_pre(ctx, domid, info, state);
keir@20565 235 restore_common(ctx, domid, info, state, fd);
keir@20462 236 if (info->hvm) {
keir@20565 237 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 238 vments[0] = "rtc/timeoffset";
keir@20516 239 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 240 vments[2] = "image/ostype";
keir@20565 241 vments[3] = "hvm";
keir@20462 242 } else {
keir@20565 243 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627 244 i = 0;
keir@20627 245 vments[i++] = "image/ostype";
keir@20627 246 vments[i++] = "linux";
keir@20627 247 vments[i++] = "image/kernel";
keir@20627 248 vments[i++] = (char*) info->kernel;
keir@20627 249 if (info->u.pv.ramdisk) {
keir@20627 250 vments[i++] = "image/ramdisk";
keir@20627 251 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627 252 }
keir@20627 253 if (info->u.pv.cmdline) {
keir@20627 254 vments[i++] = "image/cmdline";
keir@20627 255 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 256 }
keir@20462 257 }
keir@20565 258 build_post(ctx, domid, info, state, vments, localents);
keir@20565 259 if (info->hvm)
keir@20565 260 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565 261 else
keir@20565 262 dm_info->saved_state = NULL;
keir@20565 263
keir@20462 264 return 0;
keir@20462 265 }
keir@20462 266
keir@20629 267 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629 268 {
keir@20629 269 if (is_hvm(ctx, domid)) {
keir@20629 270 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629 271 "non-cooperative hvm domain %u", domid);
keir@20629 272 return ERROR_NI;
keir@20629 273 }
keir@20629 274 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629 275 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 276 "xc_domain_resume failed for domain %u",
keir@20629 277 domid);
keir@20629 278 return ERROR_FAIL;
keir@20629 279 }
keir@20629 280 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629 281 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 282 "xs_resume_domain failed for domain %u",
keir@20629 283 domid);
keir@20629 284 return ERROR_FAIL;
keir@20629 285 }
keir@20629 286 return 0;
keir@20629 287 }
keir@20629 288
keir@20462 289 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 290 {
keir@20462 291 struct libxl_dominfo *ptr;
keir@20462 292 int index, i, ret, first_domain;
keir@20462 293 xc_domaininfo_t info[16];
keir@20462 294 int size = 16;
keir@20462 295
keir@20462 296 first_domain = 1;
keir@20462 297 index = 0;
keir@20516 298 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462 299 if (!ptr)
keir@20462 300 return NULL;
keir@20462 301 redo:
keir@20462 302 ret = xc_domain_getinfolist(ctx->xch, first_domain, 16, info);
keir@20462 303 for (i = 0; i < ret; i++) {
keir@20462 304 if (index == size) {
keir@20462 305 struct libxl_dominfo *ptr2;
keir@20462 306
keir@20516 307 ptr2 = calloc(size * 2, sizeof(struct libxl_dominfo));
keir@20462 308 if (!ptr2) {
keir@20516 309 free(ptr);
keir@20462 310 return NULL;
keir@20462 311 }
keir@20462 312 memcpy(ptr2, ptr, sizeof(struct libxl_dominfo) * size);
keir@20516 313 free(ptr);
keir@20462 314 ptr = ptr2;
keir@20462 315 size *= 2;
keir@20462 316 }
keir@20579 317 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20462 318 ptr[index].domid = info[i].domain;
keir@20462 319 first_domain = info[i].domain + 1;
keir@20462 320 index++;
keir@20462 321 }
keir@20462 322 if (ret == 16)
keir@20462 323 goto redo;
keir@20462 324 *nb_domain = index;
keir@20462 325 return ptr;
keir@20462 326 }
keir@20462 327
keir@20462 328 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 329 {
keir@20462 330 int index, first_domain;
keir@20462 331 xc_dominfo_t *info;
keir@20462 332 int size = 1024;
keir@20462 333
keir@20462 334 first_domain = 0;
keir@20462 335 index = 0;
keir@20516 336 info = (xc_dominfo_t *) calloc(size, sizeof(xc_dominfo_t));
keir@20462 337 if (!info) {
keir@20462 338 *nb_domain = 0;
keir@20462 339 return NULL;
keir@20462 340 }
keir@20462 341 *nb_domain = xc_domain_getinfo(ctx->xch, first_domain, 1024, info);
keir@20462 342 return info;
keir@20462 343 }
keir@20462 344
keir@20565 345 static int libxl_save_device_model(struct libxl_ctx *ctx, uint32_t domid, int fd)
keir@20565 346 {
keir@20565 347 int fd2, c;
keir@20565 348 char buf[1024];
keir@20565 349 char *filename = libxl_sprintf(ctx, "/var/lib/xen/qemu-save.%d", domid);
keir@20565 350
keir@20565 351 XL_LOG(ctx, XL_LOG_DEBUG, "Saving device model state to %s", filename);
keir@20565 352 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "save", strlen("save"));
keir@20565 353 libxl_wait_for_device_model(ctx, domid, "paused", NULL, NULL);
keir@20565 354
keir@20565 355 write(fd, QEMU_SIGNATURE, strlen(QEMU_SIGNATURE));
keir@20565 356 fd2 = open(filename, O_RDONLY);
keir@20565 357 while ((c = read(fd2, buf, sizeof(buf))) != 0) {
keir@20565 358 write(fd, buf, c);
keir@20565 359 }
keir@20565 360 close(fd2);
keir@20565 361 unlink(filename);
keir@20565 362 return 0;
keir@20565 363 }
keir@20565 364
keir@20462 365 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 366 uint32_t domid, int fd)
keir@20462 367 {
keir@20565 368 int hvm = is_hvm(ctx, domid);
keir@20565 369 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565 370 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462 371
keir@20462 372
keir@20462 373 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565 374 if (hvm)
keir@20565 375 libxl_save_device_model(ctx, domid, fd);
keir@20462 376
keir@20462 377 return 0;
keir@20462 378 }
keir@20462 379
keir@20462 380 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 381 {
keir@20462 382 xc_domain_pause(ctx->xch, domid);
keir@20462 383 return 0;
keir@20462 384 }
keir@20462 385
keir@20462 386 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 387 {
keir@20565 388 char path[50];
keir@20565 389 char *state;
keir@20565 390
keir@20565 391 if (is_hvm(ctx, domid)) {
keir@20565 392 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20565 393 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565 394 if (state != NULL && !strcmp(state, "paused")) {
keir@20565 395 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565 396 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 397 }
keir@20565 398 }
keir@20462 399 xc_domain_unpause(ctx->xch, domid);
keir@20565 400
keir@20462 401 return 0;
keir@20462 402 }
keir@20462 403
keir@20462 404 static char *req_table[] = {
keir@20462 405 [0] = "poweroff",
keir@20462 406 [1] = "reboot",
keir@20462 407 [2] = "suspend",
keir@20462 408 [3] = "crash",
keir@20462 409 [4] = "halt",
keir@20462 410 };
keir@20462 411
keir@20462 412 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 413 {
keir@20462 414 char *shutdown_path;
keir@20462 415 char *dom_path;
keir@20462 416
keir@20462 417 if (req > ARRAY_SIZE(req_table))
keir@20462 418 return ERROR_INVAL;
keir@20462 419
keir@20462 420 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 421 if (!dom_path)
keir@20512 422 return ERROR_FAIL;
keir@20512 423
keir@20462 424 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462 425
keir@20462 426 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462 427 if (/* hvm */ 0) {
keir@20462 428 unsigned long acpi_s_state = 0;
keir@20462 429 unsigned long pvdriver = 0;
keir@20462 430 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462 431 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462 432 if (!pvdriver && acpi_s_state != 0)
keir@20462 433 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462 434 }
keir@20462 435 return 0;
keir@20462 436 }
keir@20462 437
keir@20545 438 int libxl_wait_for_domain_death(struct libxl_ctx *ctx, uint32_t domid, int *fd)
keir@20545 439 {
keir@20545 440 if (!xs_watch(ctx->xsh, "@releaseDomain", "domain_death"))
keir@20545 441 return -1;
keir@20545 442 *fd = xs_fileno(ctx->xsh);
keir@20545 443 return 0;
keir@20545 444 }
keir@20545 445
keir@20545 446 int libxl_is_domain_dead(struct libxl_ctx *ctx, uint32_t domid, xc_dominfo_t *info)
keir@20545 447 {
keir@20545 448 unsigned int num;
keir@20545 449 int nb_domain, i, rc = 0;
keir@20545 450 char **vec = NULL;
keir@20545 451 xc_dominfo_t *list = NULL;
keir@20545 452
keir@20545 453 vec = xs_read_watch(ctx->xsh, &num);
keir@20545 454 if (!vec)
keir@20545 455 return 0;
keir@20545 456 if (!strcmp(vec[XS_WATCH_TOKEN], "domain_death")) {
keir@20545 457 list = libxl_domain_infolist(ctx, &nb_domain);
keir@20545 458 for (i = 0; i < nb_domain; i++) {
keir@20545 459 if (domid == list[i].domid) {
keir@20545 460 if (list[i].running || (!list[i].shutdown && !list[i].crashed && !list[i].dying))
keir@20545 461 goto out;
keir@20545 462 *info = list[i];
keir@20545 463 rc = 1;
keir@20545 464 goto out;
keir@20545 465 }
keir@20545 466 }
keir@20545 467 memset(info, 0x00, sizeof(xc_dominfo_t));
keir@20545 468 rc = 1;
keir@20545 469 goto out;
keir@20545 470 }
keir@20545 471
keir@20545 472 out:
keir@20545 473 free(list);
keir@20545 474 free(vec);
keir@20545 475 return rc;
keir@20545 476 }
keir@20545 477
keir@20462 478 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 479 {
keir@20462 480 char *pid;
keir@20462 481 int ret;
keir@20462 482
keir@20462 483 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 484 if (!pid) {
keir@20542 485 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 486 if (!stubdomid) {
keir@20542 487 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542 488 return -1;
keir@20542 489 }
keir@20542 490 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542 491 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462 492 }
keir@20462 493 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462 494
keir@20462 495 ret = kill(atoi(pid), SIGHUP);
keir@20462 496 if (ret < 0 && errno == ESRCH) {
keir@20512 497 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462 498 ret = 0;
keir@20462 499 } else if (ret == 0) {
keir@20512 500 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462 501 ret = 0;
keir@20462 502 } else {
keir@20512 503 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512 504 atoi(pid));
keir@20462 505 }
keir@20462 506 return ret;
keir@20462 507 }
keir@20462 508
keir@20462 509 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 510 {
keir@20581 511 char *dom_path, *uuid_str;
keir@20581 512 char vm_path[UUID_LEN_STR + 5], vss_path[UUID_LEN_STR + 6], xapi_path[20];
keir@20468 513 xen_uuid_t *uuid;
keir@20628 514 int rc, dm_present;
keir@20628 515
keir@20628 516 if (is_hvm(ctx, domid)) {
keir@20628 517 dm_present = 1;
keir@20628 518 } else {
keir@20628 519 char *pid;
keir@20628 520 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 521 dm_present = (pid != NULL);
keir@20628 522 libxl_free(ctx, pid);
keir@20628 523 }
keir@20462 524
keir@20462 525 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 526 if (!dom_path)
keir@20462 527 return -1;
keir@20512 528
keir@20462 529 if (libxl_domid_to_uuid(ctx, &uuid, domid) < 0) {
keir@20512 530 XL_LOG(ctx, XL_LOG_ERROR, "failed ot get uuid for %d", domid);
keir@20462 531 return -1;
keir@20462 532 }
keir@20482 533 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512 534 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 535 if (dm_present) {
keir@20628 536 xs_write(ctx->xsh, XBT_NULL,
keir@20628 537 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628 538 "shutdown", strlen("shutdown"));
keir@20628 539 }
keir@20512 540 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 541 if (rc < 0) {
keir@20512 542 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 543 return -1;
keir@20462 544 }
keir@20628 545 if (dm_present) {
keir@20628 546 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628 547 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 548 }
keir@20462 549 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512 550 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462 551 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512 552 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20581 553 uuid_str = libxl_uuid_to_string(ctx, uuid);
keir@20581 554 snprintf(vm_path, sizeof(vm_path), "/vm/%s", uuid_str);
keir@20462 555 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20512 556 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20581 557 snprintf(vss_path, sizeof(vss_path), "/vss/%s", uuid_str);
keir@20581 558 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20581 559 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20581 560 libxl_free(ctx, uuid_str);
keir@20581 561 snprintf(xapi_path, sizeof(xapi_path), "/xapi/%u", domid);
keir@20581 562 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20581 563 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20545 564 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 565 if (rc < 0) {
keir@20545 566 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545 567 return -1;
keir@20545 568 }
keir@20462 569 return 0;
keir@20462 570 }
keir@20462 571
keir@20564 572 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564 573 {
keir@20564 574 struct stat st;
keir@20564 575 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564 576 char *cmd;
keir@20564 577
keir@20564 578 if (stat(XENCONSOLE, &st) != 0) {
keir@20564 579 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564 580 return ERROR_FAIL;
keir@20564 581 }
keir@20564 582
keir@20564 583 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564 584 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564 585 }
keir@20564 586
keir@20462 587 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462 588 libxl_device_model_info *info,
keir@20462 589 libxl_device_nic *vifs,
keir@20462 590 int num_vifs)
keir@20462 591 {
keir@20462 592 int num = 0, i;
keir@20462 593 flexarray_t *dm_args;
keir@20462 594 dm_args = flexarray_make(16, 1);
keir@20462 595 if (!dm_args)
keir@20462 596 return NULL;
keir@20462 597
keir@20516 598 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 599 flexarray_set(dm_args, num++, "-d");
keir@20462 600
keir@20462 601 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462 602
keir@20462 603 if (info->dom_name) {
keir@20516 604 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 605 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 606 }
keir@20462 607 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 608 flexarray_set(dm_args, num++, "-vnc");
keir@20462 609 if (info->vncdisplay) {
keir@20462 610 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462 611 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462 612 } else {
keir@20462 613 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462 614 }
keir@20462 615 } else if (info->vnclisten) {
keir@20462 616 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 617 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 618 } else {
keir@20462 619 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462 620 }
keir@20462 621 } else {
keir@20516 622 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 623 }
keir@20462 624 if (info->vncunused) {
keir@20516 625 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 626 }
keir@20462 627 }
keir@20462 628 if (info->sdl || info->opengl) {
keir@20516 629 flexarray_set(dm_args, num++, "-sdl");
keir@20462 630 if (info->opengl) {
keir@20516 631 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 632 }
keir@20462 633 }
keir@20462 634 if (info->keymap) {
keir@20516 635 flexarray_set(dm_args, num++, "-k");
keir@20516 636 flexarray_set(dm_args, num++, info->keymap);
keir@20462 637 }
keir@20462 638 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 639 flexarray_set(dm_args, num++, "-nographic");
keir@20462 640 }
keir@20462 641 if (info->serial) {
keir@20516 642 flexarray_set(dm_args, num++, "-serial");
keir@20516 643 flexarray_set(dm_args, num++, info->serial);
keir@20462 644 }
keir@20509 645 if (info->type == XENFV) {
keir@20509 646 if (info->videoram) {
keir@20516 647 flexarray_set(dm_args, num++, "-videoram");
keir@20509 648 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509 649 }
keir@20509 650 if (info->stdvga) {
keir@20516 651 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 652 }
keir@20509 653
keir@20509 654 if (info->boot) {
keir@20516 655 flexarray_set(dm_args, num++, "-boot");
keir@20516 656 flexarray_set(dm_args, num++, info->boot);
keir@20509 657 }
keir@20509 658 if (info->usb) {
keir@20516 659 flexarray_set(dm_args, num++, "-usb");
keir@20509 660 if (info->usbdevice) {
keir@20516 661 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 662 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 663 }
keir@20509 664 }
keir@20509 665 if (info->apic) {
keir@20516 666 flexarray_set(dm_args, num++, "-acpi");
keir@20509 667 }
keir@20509 668 for (i = 0; i < num_vifs; i++) {
keir@20509 669 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20516 670 flexarray_set(dm_args, num++, "-net");
keir@20509 671 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20509 672 vifs[i].devid, vifs[i].smac, vifs[i].model));
keir@20516 673 flexarray_set(dm_args, num++, "-net");
keir@20509 674 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509 675 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509 676 }
keir@20462 677 }
keir@20462 678 }
keir@20565 679 if (info->saved_state) {
keir@20565 680 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 681 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 682 }
keir@20509 683 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 684 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 685 flexarray_set(dm_args, num++, "-M");
keir@20509 686 if (info->type == XENPV)
keir@20516 687 flexarray_set(dm_args, num++, "xenpv");
keir@20509 688 else
keir@20516 689 flexarray_set(dm_args, num++, "xenfv");
keir@20462 690 flexarray_set(dm_args, num++, NULL);
keir@20462 691
keir@20462 692 return (char **) flexarray_contents(dm_args);
keir@20462 693 }
keir@20462 694
keir@20514 695 void dm_xenstore_record_pid(struct libxl_ctx *ctx, void *for_spawn,
keir@20514 696 pid_t innerchild) {
keir@20514 697 struct libxl_device_model_starting *starting = for_spawn;
keir@20514 698 struct libxl_ctx clone;
keir@20514 699 char *kvs[3];
keir@20624 700 int rc, cloned;
keir@20514 701
keir@20624 702 if (libxl_clone_context_xs(ctx, &clone)) {
keir@20624 703 XL_LOG(ctx, XL_LOG_ERROR, "Out of memory when cloning context");
keir@20624 704 /* Throw a prayer fallback */
keir@20624 705 clone = *ctx;
keir@20624 706 clone.xsh = xs_daemon_open();
keir@20624 707 cloned = 0;
keir@20624 708 } else {
keir@20624 709 cloned = 1;
keir@20624 710 }
keir@20514 711 /* we mustn't use the parent's handle in the child */
keir@20514 712
keir@20514 713 kvs[0] = "image/device-model-pid";
keir@20610 714 kvs[1] = libxl_sprintf(&clone, "%d", innerchild);
keir@20514 715 kvs[2] = NULL;
keir@20610 716 rc = libxl_xs_writev(&clone, XBT_NULL, starting->dom_path, kvs);
keir@20610 717 if (rc) XL_LOG_ERRNO(&clone, XL_LOG_ERROR,
keir@20514 718 "Couldn't record device model pid %ld at %s/%s",
keir@20514 719 (unsigned long)innerchild, starting->dom_path, kvs);
keir@20624 720 if (cloned) {
keir@20624 721 libxl_discard_cloned_context_xs(&clone);
keir@20624 722 } else {
keir@20624 723 xs_daemon_close(clone.xsh);
keir@20624 724 }
keir@20514 725 }
keir@20514 726
keir@20542 727 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542 728 libxl_device_model_info *info,
keir@20542 729 libxl_device_vfb *vfb,
keir@20542 730 libxl_device_vkb *vkb)
keir@20542 731 {
keir@20542 732 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 733 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 734
keir@20542 735 vfb->backend_domid = 0;
keir@20542 736 vfb->devid = 0;
keir@20542 737 vfb->vnc = info->vnc;
keir@20542 738 vfb->vnclisten = info->vnclisten;
keir@20542 739 vfb->vncdisplay = info->vncdisplay;
keir@20542 740 vfb->vncunused = info->vncunused;
keir@20542 741 vfb->keymap = info->keymap;
keir@20542 742 vfb->sdl = info->sdl;
keir@20542 743 vfb->opengl = info->opengl;
keir@20542 744
keir@20542 745 vkb->backend_domid = 0;
keir@20542 746 vkb->devid = 0;
keir@20542 747 return 0;
keir@20542 748 }
keir@20542 749
keir@20542 750 static int libxl_write_dmargs(struct libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 751 {
keir@20542 752 int i;
keir@20542 753 char *vm_path;
keir@20542 754 char *dmargs, *path;
keir@20542 755 int dmargs_size;
keir@20542 756 struct xs_permissions roperm[2];
keir@20542 757 xs_transaction_t t;
keir@20542 758
keir@20542 759 roperm[0].id = 0;
keir@20542 760 roperm[0].perms = XS_PERM_NONE;
keir@20542 761 roperm[1].id = domid;
keir@20542 762 roperm[1].perms = XS_PERM_READ;
keir@20542 763
keir@20542 764 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542 765
keir@20542 766 i = 0;
keir@20542 767 dmargs_size = 0;
keir@20542 768 while (args[i] != NULL) {
keir@20542 769 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 770 i++;
keir@20542 771 }
keir@20542 772 dmargs_size++;
keir@20542 773 dmargs = (char *) malloc(dmargs_size);
keir@20542 774 i = 1;
keir@20542 775 dmargs[0] = '\0';
keir@20542 776 while (args[i] != NULL) {
keir@20542 777 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 778 strcat(dmargs, " ");
keir@20542 779 strcat(dmargs, args[i]);
keir@20542 780 }
keir@20542 781 i++;
keir@20542 782 }
keir@20542 783 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542 784
keir@20542 785 retry_transaction:
keir@20542 786 t = xs_transaction_start(ctx->xsh);
keir@20542 787 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 788 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542 789 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 790 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 791 if (errno == EAGAIN)
keir@20542 792 goto retry_transaction;
keir@20542 793 free(dmargs);
keir@20542 794 return 0;
keir@20542 795 }
keir@20542 796
keir@20542 797 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542 798 libxl_device_model_info *info,
keir@20542 799 libxl_device_disk *disks, int num_disks,
keir@20542 800 libxl_device_nic *vifs, int num_vifs,
keir@20542 801 libxl_device_vfb *vfb,
keir@20542 802 libxl_device_vkb *vkb,
keir@20542 803 libxl_device_model_starting **starting_r)
keir@20542 804 {
keir@20570 805 int i, num_console = 1;
keir@20570 806 libxl_device_console *console;
keir@20542 807 libxl_domain_create_info c_info;
keir@20542 808 libxl_domain_build_info b_info;
keir@20542 809 libxl_domain_build_state state;
keir@20542 810 uint32_t domid;
keir@20542 811 char **args;
keir@20542 812 xen_uuid_t uuid[16];
keir@20542 813 struct xs_permissions perm[2];
keir@20542 814 xs_transaction_t t;
keir@20594 815 libxl_device_model_starting *dm_starting = 0;
keir@20542 816
keir@20542 817 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542 818 if (!args)
keir@20542 819 return ERROR_FAIL;
keir@20542 820
keir@20542 821 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 822 c_info.hvm = 0;
keir@20542 823 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20542 824 xen_uuid_generate(uuid);
keir@20542 825 c_info.uuid = uuid;
keir@20542 826
keir@20542 827 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 828 b_info.max_vcpus = 1;
keir@20542 829 b_info.max_memkb = 32 * 1024;
keir@20542 830 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542 831 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542 832 b_info.u.pv.ramdisk = "";
keir@20542 833 b_info.u.pv.features = "";
keir@20542 834 b_info.hvm = 0;
keir@20542 835
keir@20542 836 libxl_domain_make(ctx, &c_info, &domid);
keir@20542 837 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542 838
keir@20542 839 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542 840 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)), "%d", domid);
keir@20542 841 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542 842 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542 843 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 844
keir@20542 845 perm[0].id = domid;
keir@20542 846 perm[0].perms = XS_PERM_NONE;
keir@20542 847 perm[1].id = info->domid;
keir@20542 848 perm[1].perms = XS_PERM_READ;
keir@20542 849 retry_transaction:
keir@20542 850 t = xs_transaction_start(ctx->xsh);
keir@20542 851 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542 852 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20542 853 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 854 if (errno == EAGAIN)
keir@20542 855 goto retry_transaction;
keir@20542 856
keir@20542 857 for (i = 0; i < num_disks; i++) {
keir@20542 858 libxl_device_disk disk = disks[i];
keir@20542 859 disk_info_domid_fixup(&disk, domid);
keir@20542 860 libxl_device_disk_add(ctx, domid, &disk);
keir@20542 861 }
keir@20542 862 for (i = 0; i < num_vifs; i++) {
keir@20542 863 libxl_device_nic nic = vifs[i];
keir@20542 864 nic_info_domid_fixup(&nic, domid);
keir@20542 865 libxl_device_nic_add(ctx, domid, &nic);
keir@20542 866 }
keir@20542 867 vfb_info_domid_fixup(vfb, domid);
keir@20542 868 libxl_device_vfb_add(ctx, domid, vfb);
keir@20542 869 vkb_info_domid_fixup(vkb, domid);
keir@20542 870 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542 871
keir@20570 872 if (info->serial)
keir@20570 873 num_console++;
keir@20570 874 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20570 875 for (i = 0; i < num_console; i++) {
keir@20570 876 if (!i)
keir@20570 877 init_console_info(&console[i], i, &state);
keir@20570 878 else
keir@20570 879 init_console_info(&console[i], i, NULL);
keir@20570 880 console_info_domid_fixup(&console[i], domid);
keir@20570 881 console[i].constype = CONSTYPE_IOEMU;
keir@20570 882 libxl_device_console_add(ctx, domid, &console[i]);
keir@20570 883 }
keir@20594 884 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594 885 free(args);
keir@20594 886 return -1;
keir@20594 887 }
keir@20594 888 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594 889 free(args);
keir@20594 890 return -1;
keir@20594 891 }
keir@20542 892
keir@20542 893 libxl_domain_unpause(ctx, domid);
keir@20542 894
keir@20594 895 if (starting_r) {
keir@20594 896 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598 897 (*starting_r)->domid = info->domid;
keir@20594 898 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 899 (*starting_r)->for_spawn = NULL;
keir@20594 900 }
keir@20594 901
keir@20542 902 free(args);
keir@20542 903 return 0;
keir@20542 904 }
keir@20542 905
keir@20462 906 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462 907 libxl_device_model_info *info,
keir@20542 908 libxl_device_disk *disks, int num_disks,
keir@20514 909 libxl_device_nic *vifs, int num_vifs,
keir@20514 910 libxl_device_model_starting **starting_r)
keir@20462 911 {
keir@20546 912 char *path, *logfile;
keir@20514 913 int logfile_w, null;
keir@20546 914 int rc;
keir@20462 915 char **args;
keir@20594 916 struct libxl_device_model_starting buf_starting, *p;
keir@20514 917
keir@20542 918 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 919 libxl_device_vfb vfb;
keir@20542 920 libxl_device_vkb vkb;
keir@20542 921
keir@20542 922 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542 923 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542 924 }
keir@20542 925
keir@20462 926 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462 927 if (!args)
keir@20462 928 return ERROR_FAIL;
keir@20462 929
keir@20462 930 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462 931 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462 932
keir@20546 933 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 934 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 935 free(logfile);
keir@20462 936 null = open("/dev/null", O_RDONLY);
keir@20514 937
keir@20514 938 if (starting_r) {
keir@20516 939 rc = ERROR_NOMEM;
keir@20594 940 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516 941 if (!*starting_r) goto xit;
keir@20594 942 p = *starting_r;
keir@20611 943 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594 944 } else {
keir@20594 945 p = &buf_starting;
keir@20594 946 p->for_spawn = NULL;
keir@20594 947 }
keir@20514 948
keir@20594 949 p->domid = info->domid;
keir@20594 950 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 951 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594 952
keir@20594 953 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514 954 if (rc < 0) goto xit;
keir@20514 955 if (!rc) { /* inner child */
keir@20514 956 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514 957 info->device_model, args);
keir@20514 958 }
keir@20514 959
keir@20514 960 rc = 0;
keir@20514 961 xit:
keir@20516 962 free(args);
keir@20462 963 close(null);
keir@20462 964 close(logfile_w);
keir@20462 965
keir@20514 966 return rc;
keir@20514 967 }
keir@20514 968
keir@20514 969 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20514 970 libxl_device_model_starting *starting) {
keir@20514 971 int rc;
keir@20594 972 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594 973 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514 974 libxl_free(ctx, starting);
keir@20514 975 return rc;
keir@20514 976 }
keir@20462 977
keir@20514 978
keir@20514 979 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20514 980 libxl_device_model_starting *starting) {
keir@20514 981 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514 982 libxl_spawn_check,
keir@20594 983 starting->for_spawn);
keir@20514 984 int detach = libxl_detach_device_model(ctx, starting);
keir@20514 985 return problem ? problem : detach;
keir@20542 986 return 0;
keir@20462 987 }
keir@20462 988
keir@20514 989
keir@20462 990 /******************************************************************************/
keir@20566 991
keir@20566 992 static int is_blktap2_supported(void)
keir@20566 993 {
keir@20566 994 char buf[1024];
keir@20566 995 FILE *f = fopen("/proc/devices", "r");
keir@20566 996
keir@20566 997
keir@20566 998 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566 999 if (strstr(buf, "blktap2")) {
keir@20566 1000 fclose(f);
keir@20566 1001 return 1;
keir@20566 1002 }
keir@20566 1003 }
keir@20566 1004 fclose(f);
keir@20566 1005 return 0;
keir@20566 1006 }
keir@20566 1007
keir@20566 1008 static char *get_blktap2_device(struct libxl_ctx *ctx, char *name, char *type)
keir@20566 1009 {
keir@20566 1010 char buf[1024];
keir@20566 1011 char *p;
keir@20566 1012 int devnum;
keir@20566 1013 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566 1014
keir@20566 1015
keir@20566 1016 while (!feof(f)) {
keir@20566 1017 fscanf(f, "%d %s", &devnum, buf);
keir@20566 1018 p = strchr(buf, ':');
keir@20571 1019 if (p == NULL)
keir@20571 1020 continue;
keir@20566 1021 p++;
keir@20566 1022 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566 1023 fclose(f);
keir@20566 1024 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566 1025 }
keir@20566 1026 }
keir@20566 1027 fclose(f);
keir@20566 1028 return NULL;
keir@20566 1029 }
keir@20566 1030
keir@20462 1031 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1032 {
keir@20462 1033 flexarray_t *front;
keir@20462 1034 flexarray_t *back;
keir@20462 1035 char *backend_type;
keir@20462 1036 unsigned int boffset = 0;
keir@20462 1037 unsigned int foffset = 0;
keir@20462 1038 int devid;
keir@20462 1039 libxl_device device;
keir@20566 1040 int major, minor;
keir@20462 1041
keir@20462 1042 front = flexarray_make(16, 1);
keir@20462 1043 if (!front)
keir@20462 1044 return ERROR_NOMEM;
keir@20462 1045 back = flexarray_make(16, 1);
keir@20462 1046 if (!back) /* leaks front if error */
keir@20462 1047 return ERROR_NOMEM;
keir@20462 1048
keir@20462 1049 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462 1050 devid = device_disk_dev_number(disk->virtpath);
keir@20462 1051
keir@20462 1052 device.backend_devid = devid;
keir@20462 1053 device.backend_domid = disk->backend_domid;
keir@20462 1054 device.devid = devid;
keir@20462 1055 device.domid = disk->domid;
keir@20462 1056 device.kind = DEVICE_VBD;
keir@20462 1057
keir@20462 1058 switch (disk->phystype) {
keir@20462 1059 case PHYSTYPE_PHY: {
keir@20462 1060
keir@20509 1061 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1062 flexarray_set(back, boffset++, "physical-device");
keir@20462 1063 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462 1064
keir@20516 1065 flexarray_set(back, boffset++, "params");
keir@20516 1066 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1067
keir@20462 1068 device.backend_kind = DEVICE_VBD;
keir@20462 1069 break;
keir@20462 1070 }
keir@20566 1071 case PHYSTYPE_FILE:
keir@20566 1072 /* let's pretend is tap:aio for the moment */
keir@20566 1073 disk->phystype = PHYSTYPE_AIO;
keir@20462 1074 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566 1075 if (is_blktap2_supported()) {
keir@20566 1076 int rc, c, p[2], tot;
keir@20566 1077 char buf[1024], *dev;
keir@20566 1078 if ((dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype))) == NULL) {
keir@20566 1079 if (pipe(p) < 0) {
keir@20566 1080 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566 1081 return -1;
keir@20566 1082 }
keir@20566 1083 rc = fork();
keir@20566 1084 if (rc < 0) {
keir@20566 1085 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566 1086 return -1;
keir@20566 1087 } else if (!rc) { /* child */
keir@20566 1088 int null_r, null_w;
keir@20566 1089 char *args[4];
keir@20566 1090 args[0] = "tapdisk2";
keir@20566 1091 args[1] = "-n";
keir@20566 1092 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566 1093 args[3] = NULL;
keir@20566 1094
keir@20566 1095 null_r = open("/dev/null", O_RDONLY);
keir@20566 1096 null_w = open("/dev/null", O_WRONLY);
keir@20566 1097 libxl_exec(ctx, null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566 1098 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566 1099 }
keir@20566 1100 close(p[1]);
keir@20566 1101 tot = 0;
keir@20566 1102 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566 1103 tot = tot + c;
keir@20566 1104 close(p[0]);
keir@20566 1105 buf[tot - 1] = '\0';
keir@20566 1106 dev = buf;
keir@20566 1107 }
keir@20566 1108 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566 1109 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1110 flexarray_set(back, boffset++, "params");
keir@20566 1111 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566 1112 backend_type = "phy";
keir@20566 1113 device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1114 flexarray_set(back, boffset++, "physical-device");
keir@20566 1115 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566 1116 device.backend_kind = DEVICE_VBD;
keir@20566 1117
keir@20566 1118 break;
keir@20566 1119 }
keir@20516 1120 flexarray_set(back, boffset++, "params");
keir@20462 1121 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462 1122 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1123
keir@20462 1124 device.backend_kind = DEVICE_TAP;
keir@20462 1125 break;
keir@20462 1126 }
keir@20462 1127
keir@20516 1128 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1129 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516 1130 flexarray_set(back, boffset++, "online");
keir@20516 1131 flexarray_set(back, boffset++, "1");
keir@20516 1132 flexarray_set(back, boffset++, "removable");
keir@20462 1133 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1134 flexarray_set(back, boffset++, "bootable");
keir@20509 1135 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1136 flexarray_set(back, boffset++, "state");
keir@20462 1137 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1138 flexarray_set(back, boffset++, "dev");
keir@20516 1139 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1140 flexarray_set(back, boffset++, "type");
keir@20516 1141 flexarray_set(back, boffset++, backend_type);
keir@20516 1142 flexarray_set(back, boffset++, "mode");
keir@20516 1143 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1144
keir@20516 1145 flexarray_set(front, foffset++, "backend-id");
keir@20462 1146 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516 1147 flexarray_set(front, foffset++, "state");
keir@20462 1148 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1149 flexarray_set(front, foffset++, "virtual-device");
keir@20462 1150 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516 1151 flexarray_set(front, foffset++, "device-type");
keir@20516 1152 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1153
keir@20462 1154 if (0 /* protocol != native*/) {
keir@20516 1155 flexarray_set(front, foffset++, "protocol");
keir@20516 1156 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1157 }
keir@20462 1158
keir@20462 1159 libxl_device_generic_add(ctx, &device,
keir@20462 1160 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1161 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1162 flexarray_free(back);
keir@20516 1163 flexarray_free(front);
keir@20462 1164 return 0;
keir@20462 1165 }
keir@20462 1166
keir@20626 1167 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626 1168 libxl_device_disk *disk, int wait)
keir@20462 1169 {
keir@20626 1170 libxl_device device;
keir@20626 1171 int devid;
keir@20462 1172
keir@20626 1173 devid = device_disk_dev_number(disk->virtpath);
keir@20626 1174 device.backend_domid = disk->backend_domid;
keir@20626 1175 device.backend_devid = devid;
keir@20626 1176 device.backend_kind =
keir@20626 1177 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1178 device.domid = disk->domid;
keir@20626 1179 device.devid = devid;
keir@20626 1180 device.kind = DEVICE_VBD;
keir@20626 1181 return libxl_device_del(ctx, &device, wait);
keir@20462 1182 }
keir@20462 1183
keir@20462 1184 /******************************************************************************/
keir@20462 1185 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1186 {
keir@20462 1187 flexarray_t *front;
keir@20462 1188 flexarray_t *back;
keir@20462 1189 unsigned int boffset = 0;
keir@20462 1190 unsigned int foffset = 0;
keir@20462 1191 libxl_device device;
keir@20462 1192
keir@20462 1193 front = flexarray_make(16, 1);
keir@20462 1194 if (!front)
keir@20462 1195 return ERROR_NOMEM;
keir@20462 1196 back = flexarray_make(16, 1);
keir@20462 1197 if (!back)
keir@20462 1198 return ERROR_NOMEM;
keir@20462 1199
keir@20462 1200 device.backend_devid = nic->devid;
keir@20462 1201 device.backend_domid = nic->backend_domid;
keir@20462 1202 device.backend_kind = DEVICE_VIF;
keir@20462 1203 device.devid = nic->devid;
keir@20462 1204 device.domid = nic->domid;
keir@20462 1205 device.kind = DEVICE_VIF;
keir@20462 1206
keir@20516 1207 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1208 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516 1209 flexarray_set(back, boffset++, "online");
keir@20516 1210 flexarray_set(back, boffset++, "1");
keir@20516 1211 flexarray_set(back, boffset++, "state");
keir@20462 1212 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1213 flexarray_set(back, boffset++, "script");
keir@20516 1214 flexarray_set(back, boffset++, nic->script);
keir@20516 1215 flexarray_set(back, boffset++, "mac");
keir@20462 1216 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1217 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1218 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516 1219 flexarray_set(back, boffset++, "handle");
keir@20462 1220 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462 1221
keir@20516 1222 flexarray_set(front, foffset++, "backend-id");
keir@20462 1223 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516 1224 flexarray_set(front, foffset++, "state");
keir@20462 1225 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1226 flexarray_set(front, foffset++, "handle");
keir@20462 1227 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516 1228 flexarray_set(front, foffset++, "mac");
keir@20462 1229 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1230 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1231 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 1232 if (0 /* protocol != native*/) {
keir@20516 1233 flexarray_set(front, foffset++, "protocol");
keir@20516 1234 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1235 }
keir@20462 1236
keir@20462 1237 libxl_device_generic_add(ctx, &device,
keir@20462 1238 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1239 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462 1240
keir@20462 1241 /* FIXME: wait for plug */
keir@20516 1242 flexarray_free(back);
keir@20516 1243 flexarray_free(front);
keir@20462 1244 return 0;
keir@20462 1245 }
keir@20462 1246
keir@20626 1247 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626 1248 libxl_device_nic *nic, int wait)
keir@20462 1249 {
keir@20626 1250 libxl_device device;
keir@20462 1251
keir@20626 1252 device.backend_devid = nic->devid;
keir@20626 1253 device.backend_domid = nic->backend_domid;
keir@20626 1254 device.backend_kind = DEVICE_VIF;
keir@20626 1255 device.devid = nic->devid;
keir@20626 1256 device.domid = nic->domid;
keir@20626 1257 device.kind = DEVICE_VIF;
keir@20626 1258
keir@20626 1259 return libxl_device_del(ctx, &device, wait);
keir@20462 1260 }
keir@20462 1261
keir@20462 1262 /******************************************************************************/
keir@20509 1263 int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 1264 {
keir@20509 1265 flexarray_t *front;
keir@20509 1266 flexarray_t *back;
keir@20509 1267 unsigned int boffset = 0;
keir@20509 1268 unsigned int foffset = 0;
keir@20509 1269 libxl_device device;
keir@20509 1270
keir@20509 1271 if (console->build_state) {
keir@20509 1272 xs_transaction_t t;
keir@20509 1273 char **ents = (char **) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516 1274 ents[0] = "console/port";
keir@20509 1275 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516 1276 ents[2] = "console/ring-ref";
keir@20509 1277 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516 1278 ents[4] = "console/limit";
keir@20509 1279 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516 1280 ents[6] = "console/type";
keir@20509 1281 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509 1282 ents[7] = "xenconsoled";
keir@20509 1283 else
keir@20509 1284 ents[7] = "ioemu";
keir@20509 1285 retry_transaction:
keir@20509 1286 t = xs_transaction_start(ctx->xsh);
keir@20516 1287 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509 1288 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509 1289 if (errno == EAGAIN)
keir@20509 1290 goto retry_transaction;
keir@20509 1291 }
keir@20509 1292
keir@20509 1293 front = flexarray_make(16, 1);
keir@20509 1294 if (!front)
keir@20509 1295 return ERROR_NOMEM;
keir@20509 1296 back = flexarray_make(16, 1);
keir@20509 1297 if (!back)
keir@20509 1298 return ERROR_NOMEM;
keir@20509 1299
keir@20509 1300 device.backend_devid = console->devid;
keir@20509 1301 device.backend_domid = console->backend_domid;
keir@20509 1302 device.backend_kind = DEVICE_CONSOLE;
keir@20509 1303 device.devid = console->devid;
keir@20509 1304 device.domid = console->domid;
keir@20509 1305 device.kind = DEVICE_CONSOLE;
keir@20509 1306
keir@20516 1307 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1308 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516 1309 flexarray_set(back, boffset++, "online");
keir@20516 1310 flexarray_set(back, boffset++, "1");
keir@20516 1311 flexarray_set(back, boffset++, "state");
keir@20509 1312 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1313 flexarray_set(back, boffset++, "domain");
keir@20516 1314 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1315 flexarray_set(back, boffset++, "protocol");
keir@20516 1316 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 1317
keir@20516 1318 flexarray_set(front, foffset++, "backend-id");
keir@20509 1319 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516 1320 flexarray_set(front, foffset++, "state");
keir@20509 1321 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1322 flexarray_set(front, foffset++, "limit");
keir@20509 1323 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516 1324 flexarray_set(front, foffset++, "protocol");
keir@20516 1325 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516 1326 flexarray_set(front, foffset++, "type");
keir@20509 1327 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516 1328 flexarray_set(front, foffset++, "xenconsoled");
keir@20509 1329 else
keir@20516 1330 flexarray_set(front, foffset++, "ioemu");
keir@20509 1331
keir@20509 1332 libxl_device_generic_add(ctx, &device,
keir@20509 1333 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1334 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1335 flexarray_free(back);
keir@20516 1336 flexarray_free(front);
keir@20509 1337
keir@20509 1338 return 0;
keir@20509 1339 }
keir@20509 1340
keir@20509 1341 /******************************************************************************/
keir@20509 1342 int libxl_device_vkb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 1343 {
keir@20509 1344 flexarray_t *front;
keir@20509 1345 flexarray_t *back;
keir@20509 1346 unsigned int boffset = 0;
keir@20509 1347 unsigned int foffset = 0;
keir@20509 1348 libxl_device device;
keir@20509 1349
keir@20509 1350 front = flexarray_make(16, 1);
keir@20509 1351 if (!front)
keir@20509 1352 return ERROR_NOMEM;
keir@20509 1353 back = flexarray_make(16, 1);
keir@20509 1354 if (!back)
keir@20509 1355 return ERROR_NOMEM;
keir@20509 1356
keir@20509 1357 device.backend_devid = vkb->devid;
keir@20509 1358 device.backend_domid = vkb->backend_domid;
keir@20509 1359 device.backend_kind = DEVICE_VKBD;
keir@20509 1360 device.devid = vkb->devid;
keir@20509 1361 device.domid = vkb->domid;
keir@20509 1362 device.kind = DEVICE_VKBD;
keir@20509 1363
keir@20516 1364 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1365 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516 1366 flexarray_set(back, boffset++, "online");
keir@20516 1367 flexarray_set(back, boffset++, "1");
keir@20516 1368 flexarray_set(back, boffset++, "state");
keir@20509 1369 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1370 flexarray_set(back, boffset++, "domain");
keir@20516 1371 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509 1372
keir@20516 1373 flexarray_set(front, foffset++, "backend-id");
keir@20509 1374 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516 1375 flexarray_set(front, foffset++, "state");
keir@20509 1376 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1377
keir@20509 1378 libxl_device_generic_add(ctx, &device,
keir@20509 1379 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1380 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1381 flexarray_free(back);
keir@20516 1382 flexarray_free(front);
keir@20509 1383
keir@20509 1384 return 0;
keir@20462 1385 }
keir@20462 1386
keir@20462 1387 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1388 {
keir@20462 1389 return ERROR_NI;
keir@20462 1390 }
keir@20462 1391
keir@20462 1392 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1393 {
keir@20462 1394 return ERROR_NI;
keir@20462 1395 }
keir@20462 1396
keir@20462 1397 /******************************************************************************/
keir@20509 1398 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509 1399 libxl_device_vfb *vfb,
keir@20509 1400 int num_console,
keir@20509 1401 libxl_device_console *console,
keir@20509 1402 libxl_device_model_info *info) {
keir@20509 1403 int i = 0, j = 0, num = 0;
keir@20509 1404 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 1405
keir@20509 1406 info->vnc = vfb->vnc;
keir@20509 1407 if (vfb->vnclisten)
keir@20509 1408 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509 1409 info->vncdisplay = vfb->vncdisplay;
keir@20509 1410 info->vncunused = vfb->vncunused;
keir@20509 1411 if (vfb->keymap)
keir@20509 1412 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509 1413 info->sdl = vfb->sdl;
keir@20509 1414 info->opengl = vfb->opengl;
keir@20509 1415 for (i = 0; i < num_console; i++) {
keir@20509 1416 if (console->constype == CONSTYPE_IOEMU)
keir@20509 1417 num++;
keir@20509 1418 }
keir@20509 1419 if (num > 0) {
keir@20599 1420 uint32_t guest_domid = libxl_is_stubdom(ctx, vfb->domid);
keir@20599 1421 if (guest_domid) {
keir@20599 1422 char *filename;
keir@20599 1423 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599 1424 libxl_create_logfile(ctx, name, &filename);
keir@20599 1425 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599 1426 free(filename);
keir@20599 1427 } else {
keir@20599 1428 info->serial = "pty";
keir@20599 1429 }
keir@20509 1430 num--;
keir@20509 1431 }
keir@20509 1432 if (num > 0) {
keir@20509 1433 info->extra = (char **) libxl_calloc(ctx, num * 2 + 1, sizeof(char *));
keir@20509 1434 for (j = 0; j < num * 2; j = j + 2) {
keir@20509 1435 info->extra[j] = "-serial";
keir@20509 1436 info->extra[j + 1] = "pty";
keir@20509 1437 }
keir@20509 1438 info->extra[j] = NULL;
keir@20509 1439 }
keir@20509 1440 info->domid = vfb->domid;
keir@20509 1441 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509 1442 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509 1443 info->type = XENPV;
keir@20509 1444 return 0;
keir@20509 1445 }
keir@20509 1446
keir@20509 1447 int libxl_create_xenpv_qemu(struct libxl_ctx *ctx, libxl_device_vfb *vfb,
keir@20514 1448 int num_console, libxl_device_console *console,
keir@20514 1449 struct libxl_device_model_starting **starting_r)
keir@20509 1450 {
keir@20509 1451 libxl_device_model_info info;
keir@20509 1452
keir@20509 1453 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542 1454 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509 1455 return 0;
keir@20509 1456 }
keir@20509 1457
keir@20509 1458 int libxl_device_vfb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 1459 {
keir@20509 1460 flexarray_t *front;
keir@20509 1461 flexarray_t *back;
keir@20509 1462 unsigned int boffset = 0;
keir@20509 1463 unsigned int foffset = 0;
keir@20509 1464 libxl_device device;
keir@20509 1465
keir@20509 1466 front = flexarray_make(16, 1);
keir@20509 1467 if (!front)
keir@20509 1468 return ERROR_NOMEM;
keir@20509 1469 back = flexarray_make(16, 1);
keir@20509 1470 if (!back)
keir@20509 1471 return ERROR_NOMEM;
keir@20509 1472
keir@20509 1473 device.backend_devid = vfb->devid;
keir@20509 1474 device.backend_domid = vfb->backend_domid;
keir@20509 1475 device.backend_kind = DEVICE_VFB;
keir@20509 1476 device.devid = vfb->devid;
keir@20509 1477 device.domid = vfb->domid;
keir@20509 1478 device.kind = DEVICE_VFB;
keir@20509 1479
keir@20516 1480 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1481 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516 1482 flexarray_set(back, boffset++, "online");
keir@20516 1483 flexarray_set(back, boffset++, "1");
keir@20516 1484 flexarray_set(back, boffset++, "state");
keir@20509 1485 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1486 flexarray_set(back, boffset++, "domain");
keir@20516 1487 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1488 flexarray_set(back, boffset++, "vnc");
keir@20509 1489 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516 1490 flexarray_set(back, boffset++, "vnclisten");
keir@20516 1491 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516 1492 flexarray_set(back, boffset++, "vncdisplay");
keir@20509 1493 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516 1494 flexarray_set(back, boffset++, "vncunused");
keir@20509 1495 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516 1496 flexarray_set(back, boffset++, "sdl");
keir@20509 1497 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516 1498 flexarray_set(back, boffset++, "opengl");
keir@20509 1499 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509 1500 if (vfb->xauthority) {
keir@20516 1501 flexarray_set(back, boffset++, "xauthority");
keir@20516 1502 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 1503 }
keir@20509 1504 if (vfb->display) {
keir@20516 1505 flexarray_set(back, boffset++, "display");
keir@20516 1506 flexarray_set(back, boffset++, vfb->display);
keir@20509 1507 }
keir@20509 1508
keir@20516 1509 flexarray_set(front, foffset++, "backend-id");
keir@20509 1510 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516 1511 flexarray_set(front, foffset++, "state");
keir@20509 1512 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1513
keir@20509 1514 libxl_device_generic_add(ctx, &device,
keir@20509 1515 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1516 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509 1517 flexarray_free(front);
keir@20509 1518 flexarray_free(back);
keir@20509 1519
keir@20509 1520 return 0;
keir@20462 1521 }
keir@20462 1522
keir@20462 1523 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1524 {
keir@20462 1525 return ERROR_NI;
keir@20462 1526 }
keir@20462 1527
keir@20462 1528 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1529 {
keir@20462 1530 return ERROR_NI;
keir@20462 1531 }
keir@20462 1532
keir@20462 1533 /******************************************************************************/
keir@20482 1534
keir@20482 1535 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482 1536 unsigned int bus, unsigned int dev,
keir@20482 1537 unsigned int func, unsigned int vdevfn)
keir@20482 1538 {
keir@20482 1539 pcidev->domain = domain;
keir@20482 1540 pcidev->bus = bus;
keir@20482 1541 pcidev->dev = dev;
keir@20482 1542 pcidev->func = func;
keir@20482 1543 pcidev->vdevfn = vdevfn;
keir@20482 1544 return 0;
keir@20482 1545 }
keir@20482 1546
keir@20482 1547 static int libxl_create_pci_backend(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev, int num)
keir@20482 1548 {
keir@20482 1549 flexarray_t *front;
keir@20482 1550 flexarray_t *back;
keir@20482 1551 unsigned int boffset = 0;
keir@20482 1552 unsigned int foffset = 0;
keir@20482 1553 libxl_device device;
keir@20482 1554 int i;
keir@20482 1555
keir@20482 1556 front = flexarray_make(16, 1);
keir@20482 1557 if (!front)
keir@20482 1558 return ERROR_NOMEM;
keir@20482 1559 back = flexarray_make(16, 1);
keir@20482 1560 if (!back)
keir@20482 1561 return ERROR_NOMEM;
keir@20482 1562
keir@20512 1563 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482 1564
keir@20482 1565 /* add pci device */
keir@20482 1566 device.backend_devid = 0;
keir@20482 1567 device.backend_domid = 0;
keir@20482 1568 device.backend_kind = DEVICE_PCI;
keir@20482 1569 device.devid = 0;
keir@20482 1570 device.domid = domid;
keir@20482 1571 device.kind = DEVICE_PCI;
keir@20482 1572
keir@20516 1573 flexarray_set(back, boffset++, "frontend-id");
keir@20482 1574 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516 1575 flexarray_set(back, boffset++, "online");
keir@20516 1576 flexarray_set(back, boffset++, "1");
keir@20516 1577 flexarray_set(back, boffset++, "state");
keir@20482 1578 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1579 flexarray_set(back, boffset++, "domain");
keir@20516 1580 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482 1581 for (i = 0; i < num; i++) {
keir@20482 1582 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482 1583 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1584 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482 1585 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1586 if (pcidev->vdevfn) {
keir@20482 1587 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482 1588 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1589 }
keir@20482 1590 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482 1591 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1592 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482 1593 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1594 }
keir@20516 1595 flexarray_set(back, boffset++, "num_devs");
keir@20482 1596 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482 1597
keir@20516 1598 flexarray_set(front, foffset++, "backend-id");
keir@20482 1599 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516 1600 flexarray_set(front, foffset++, "state");
keir@20482 1601 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1602
keir@20482 1603 libxl_device_generic_add(ctx, &device,
keir@20482 1604 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482 1605 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482 1606
keir@20482 1607 flexarray_free(back);
keir@20482 1608 flexarray_free(front);
keir@20482 1609 return 0;
keir@20482 1610 }
keir@20482 1611
keir@20482 1612 static int libxl_device_pci_add_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1613 {
keir@20482 1614 flexarray_t *back;
keir@20482 1615 char *num_devs, *be_path;
keir@20482 1616 int num = 0;
keir@20482 1617 unsigned int boffset = 0;
keir@20482 1618 xs_transaction_t t;
keir@20482 1619
keir@20516 1620 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1621 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 1622 if (!num_devs)
keir@20482 1623 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482 1624
keir@20482 1625 if (!is_hvm(ctx, domid)) {
keir@20482 1626 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482 1627 return -1;
keir@20482 1628 }
keir@20482 1629
keir@20482 1630 back = flexarray_make(16, 1);
keir@20482 1631 if (!back)
keir@20482 1632 return ERROR_NOMEM;
keir@20482 1633
keir@20512 1634 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482 1635 num = atoi(num_devs);
keir@20482 1636 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482 1637 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1638 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482 1639 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1640 if (pcidev->vdevfn) {
keir@20482 1641 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482 1642 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1643 }
keir@20482 1644 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482 1645 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1646 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482 1647 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1648 flexarray_set(back, boffset++, "num_devs");
keir@20482 1649 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516 1650 flexarray_set(back, boffset++, "state");
keir@20482 1651 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482 1652
keir@20482 1653 retry_transaction:
keir@20482 1654 t = xs_transaction_start(ctx->xsh);
keir@20482 1655 libxl_xs_writev(ctx, t, be_path,
keir@20482 1656 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482 1657 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1658 if (errno == EAGAIN)
keir@20482 1659 goto retry_transaction;
keir@20482 1660
keir@20482 1661 flexarray_free(back);
keir@20482 1662 return 0;
keir@20482 1663 }
keir@20482 1664
keir@20482 1665 static int libxl_device_pci_remove_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20482 1666 {
keir@20542 1667 char *be_path, *num_devs_path, *num_devs, *xsdev, *tmp, *tmppath;
keir@20542 1668 int num, i, j;
keir@20482 1669 xs_transaction_t t;
keir@20482 1670 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482 1671
keir@20516 1672 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1673 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482 1674 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482 1675 if (!num_devs)
keir@20482 1676 return -1;
keir@20482 1677 num = atoi(num_devs);
keir@20482 1678
keir@20482 1679 if (!is_hvm(ctx, domid)) {
keir@20482 1680 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1681 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482 1682 return -1;
keir@20482 1683 }
keir@20482 1684 }
keir@20482 1685
keir@20482 1686 for (i = 0; i < num; i++) {
keir@20482 1687 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 1688 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 1689 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482 1690 pcidev->dev == dev && pcidev->func == func) {
keir@20482 1691 break;
keir@20482 1692 }
keir@20482 1693 }
keir@20482 1694 if (i == num) {
keir@20512 1695 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482 1696 return -1;
keir@20482 1697 }
keir@20482 1698
keir@20482 1699 retry_transaction:
keir@20482 1700 t = xs_transaction_start(ctx->xsh);
keir@20542 1701 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482 1702 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482 1703 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1704 if (errno == EAGAIN)
keir@20482 1705 goto retry_transaction;
keir@20542 1706
keir@20542 1707 if (!is_hvm(ctx, domid)) {
keir@20542 1708 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1709 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542 1710 return -1;
keir@20542 1711 }
keir@20542 1712 }
keir@20542 1713
keir@20542 1714 retry_transaction2:
keir@20542 1715 t = xs_transaction_start(ctx->xsh);
keir@20542 1716 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542 1717 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542 1718 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542 1719 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542 1720 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542 1721 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542 1722 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542 1723 for (j = i + 1; j < num; j++) {
keir@20542 1724 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542 1725 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1726 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1727 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1728 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542 1729 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1730 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1731 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1732 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542 1733 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1734 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1735 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1736 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542 1737 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1738 if (tmp) {
keir@20542 1739 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1740 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1741 }
keir@20542 1742 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542 1743 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1744 if (tmp) {
keir@20542 1745 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1746 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1747 }
keir@20542 1748 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542 1749 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1750 if (tmp) {
keir@20542 1751 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1752 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1753 }
keir@20542 1754 }
keir@20542 1755 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1756 if (errno == EAGAIN)
keir@20542 1757 goto retry_transaction2;
keir@20542 1758
keir@20542 1759 if (num == 1) {
keir@20542 1760 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542 1761 libxl_device_destroy(ctx, be_path, 1);
keir@20542 1762 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542 1763 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542 1764 return 0;
keir@20542 1765 }
keir@20542 1766
keir@20482 1767 return 0;
keir@20462 1768 }
keir@20462 1769
keir@20482 1770 int libxl_device_pci_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1771 {
keir@20482 1772 char path[50];
keir@20482 1773 char *state, *vdevfn;
keir@20482 1774 int rc, hvm;
keir@20542 1775 int stubdomid = 0;
keir@20482 1776
keir@20482 1777 /* TODO: check if the device can be assigned */
keir@20482 1778
keir@20482 1779 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1780
keir@20542 1781 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542 1782 libxl_device_pci pcidev_s = *pcidev;
keir@20542 1783 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542 1784 }
keir@20542 1785
keir@20482 1786 hvm = is_hvm(ctx, domid);
keir@20482 1787 if (hvm) {
keir@20514 1788 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 1789 return -1;
keir@20482 1790 }
keir@20482 1791 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482 1792 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1793 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1794 if (pcidev->vdevfn)
keir@20482 1795 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482 1796 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482 1797 else
keir@20482 1798 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1799 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1800 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482 1801 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514 1802 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512 1803 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 1804 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1805 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1806 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20482 1807 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482 1808 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1809 } else {
keir@20542 1810 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 1811 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1812 FILE *f = fopen(sysfs_path, "r");
keir@20482 1813 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 1814 int irq = 0;
keir@20482 1815 int i;
keir@20482 1816
keir@20482 1817 if (f == NULL) {
keir@20512 1818 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1819 return -1;
keir@20482 1820 }
keir@20482 1821 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512 1822 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482 1823 size = end - start + 1;
keir@20482 1824 if (start) {
keir@20482 1825 if (flags & PCI_BAR_IO) {
keir@20482 1826 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482 1827 if (rc < 0)
keir@20512 1828 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 1829 } else {
keir@20482 1830 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 1831 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482 1832 if (rc < 0)
keir@20512 1833 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 1834 }
keir@20482 1835 }
keir@20482 1836 }
keir@20482 1837 fclose(f);
keir@20542 1838 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 1839 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1840 f = fopen(sysfs_path, "r");
keir@20482 1841 if (f == NULL) {
keir@20512 1842 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1843 goto out;
keir@20482 1844 }
keir@20482 1845 fscanf(f, "%u", &irq);
keir@20482 1846 if (irq) {
keir@20482 1847 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482 1848 if (rc < 0) {
keir@20512 1849 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482 1850 }
keir@20482 1851 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482 1852 if (rc < 0) {
keir@20512 1853 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482 1854 }
keir@20482 1855 }
keir@20482 1856 fclose(f);
keir@20482 1857 }
keir@20482 1858 out:
keir@20542 1859 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542 1860 if ((rc = xc_assign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542 1861 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542 1862 }
keir@20482 1863
keir@20482 1864 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482 1865 return 0;
keir@20462 1866 }
keir@20462 1867
keir@20482 1868 int libxl_device_pci_remove(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1869 {
keir@20482 1870 char path[50];
keir@20482 1871 char *state;
keir@20482 1872 int hvm, rc;
keir@20542 1873 int stubdomid = 0;
keir@20482 1874
keir@20482 1875 /* TODO: check if the device can be detached */
keir@20542 1876 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482 1877
keir@20482 1878 hvm = is_hvm(ctx, domid);
keir@20482 1879 if (hvm) {
keir@20514 1880 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 1881 return -1;
keir@20482 1882 }
keir@20482 1883 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482 1884 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1885 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1886 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1887 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1888 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482 1889 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514 1890 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512 1891 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 1892 return -1;
keir@20482 1893 }
keir@20482 1894 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482 1895 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1896 } else {
keir@20542 1897 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 1898 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1899 FILE *f = fopen(sysfs_path, "r");
keir@20482 1900 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 1901 int irq = 0;
keir@20482 1902 int i;
keir@20482 1903
keir@20482 1904 if (f == NULL) {
keir@20512 1905 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1906 goto skip1;
keir@20482 1907 }
keir@20482 1908 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482 1909 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482 1910 size = end - start + 1;
keir@20482 1911 if (start) {
keir@20482 1912 if (flags & PCI_BAR_IO) {
keir@20482 1913 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482 1914 if (rc < 0)
keir@20512 1915 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 1916 } else {
keir@20482 1917 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 1918 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482 1919 if (rc < 0)
keir@20512 1920 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 1921 }
keir@20482 1922 }
keir@20482 1923 }
keir@20482 1924 fclose(f);
keir@20482 1925 skip1:
keir@20542 1926 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 1927 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1928 f = fopen(sysfs_path, "r");
keir@20482 1929 if (f == NULL) {
keir@20512 1930 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1931 goto out;
keir@20482 1932 }
keir@20482 1933 fscanf(f, "%u", &irq);
keir@20482 1934 if (irq) {
keir@20482 1935 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482 1936 if (rc < 0) {
keir@20512 1937 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482 1938 }
keir@20482 1939 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482 1940 if (rc < 0) {
keir@20512 1941 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482 1942 }
keir@20482 1943 }
keir@20482 1944 fclose(f);
keir@20482 1945 }
keir@20482 1946 out:
keir@20482 1947 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1948
keir@20542 1949 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542 1950 if ((rc = xc_deassign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542 1951 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542 1952 }
keir@20542 1953
keir@20542 1954 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542 1955 libxl_device_pci pcidev_s = *pcidev;
keir@20542 1956 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542 1957 }
keir@20542 1958
keir@20482 1959 return 0;
keir@20462 1960 }
keir@20482 1961
keir@20482 1962 libxl_device_pci *libxl_device_pci_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20482 1963 {
keir@20482 1964 char *be_path, *num_devs, *xsdev, *xsvdevfn, *xsopts;
keir@20482 1965 int n, i;
keir@20482 1966 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482 1967 libxl_device_pci *pcidevs;
keir@20482 1968
keir@20516 1969 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1970 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 1971 if (!num_devs) {
keir@20482 1972 *num = 0;
keir@20482 1973 return NULL;
keir@20482 1974 }
keir@20482 1975 n = atoi(num_devs);
keir@20516 1976 pcidevs = (libxl_device_pci *) calloc(n, sizeof(libxl_device_pci));
keir@20482 1977 *num = n;
keir@20482 1978
keir@20482 1979 for (i = 0; i < n; i++) {
keir@20482 1980 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 1981 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 1982 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482 1983 if (xsvdevfn)
keir@20482 1984 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482 1985 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482 1986 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482 1987 if (xsopts) {
keir@20482 1988 char *saveptr;
keir@20482 1989 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482 1990 do {
keir@20482 1991 while (*p == ' ')
keir@20482 1992 p++;
keir@20482 1993 if (!strcmp(p, "msitranslate")) {
keir@20482 1994 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 1995 pcidevs[i].msitranslate = atoi(p);
keir@20482 1996 } else if (!strcmp(p, "power_mgmt")) {
keir@20482 1997 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 1998 pcidevs[i].power_mgmt = atoi(p);
keir@20482 1999 }
keir@20482 2000 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482 2001 }
keir@20482 2002 }
keir@20482 2003 return pcidevs;
keir@20482 2004 }
keir@20482 2005
keir@20482 2006 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482 2007 {
keir@20482 2008 libxl_device_pci *pcidevs;
keir@20482 2009 int num, i;
keir@20482 2010
keir@20482 2011 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482 2012 for (i = 0; i < num; i++) {
keir@20482 2013 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482 2014 return -1;
keir@20482 2015 }
keir@20516 2016 free(pcidevs);
keir@20482 2017 return 0;
keir@20482 2018 }
keir@20482 2019
keir@20542 2020 void nic_info_domid_fixup(libxl_device_nic *nic_info, int domid)
keir@20542 2021 {
keir@20542 2022 nic_info->domid = domid;
keir@20542 2023 asprintf(&(nic_info->ifname), "tap%d.%d", domid, nic_info->devid - 1);
keir@20542 2024 }
keir@20542 2025
keir@20542 2026 void disk_info_domid_fixup(libxl_device_disk *disk_info, int domid)
keir@20542 2027 {
keir@20542 2028 disk_info->domid = domid;
keir@20542 2029 }
keir@20542 2030
keir@20542 2031 void vfb_info_domid_fixup(libxl_device_vfb *vfb, int domid)
keir@20542 2032 {
keir@20542 2033 vfb->domid = domid;
keir@20542 2034 }
keir@20542 2035
keir@20542 2036 void vkb_info_domid_fixup(libxl_device_vkb *vkb, int domid)
keir@20542 2037 {
keir@20542 2038 vkb->domid = domid;
keir@20542 2039 }
keir@20542 2040
keir@20542 2041 void console_info_domid_fixup(libxl_device_console *console, int domid)
keir@20542 2042 {
keir@20542 2043 console->domid = domid;
keir@20542 2044 }
keir@20542 2045
keir@20542 2046 void device_model_info_domid_fixup(libxl_device_model_info *dm_info, int domid)
keir@20542 2047 {
keir@20542 2048 dm_info->domid = domid;
keir@20542 2049 }
keir@20542 2050
keir@20542 2051 void init_create_info(libxl_domain_create_info *c_info)
keir@20542 2052 {
keir@20542 2053 memset(c_info, '\0', sizeof(*c_info));
keir@20542 2054 c_info->xsdata = NULL;
keir@20542 2055 c_info->platformdata = NULL;
keir@20542 2056 c_info->hvm = 1;
keir@20542 2057 c_info->ssidref = 0;
keir@20542 2058 }
keir@20542 2059
keir@20542 2060 void init_build_info(libxl_domain_build_info *b_info, libxl_domain_create_info *c_info)
keir@20542 2061 {
keir@20542 2062 memset(b_info, '\0', sizeof(*b_info));
keir@20542 2063 b_info->timer_mode = -1;
keir@20542 2064 b_info->hpet = 1;
keir@20542 2065 b_info->vpt_align = -1;
keir@20542 2066 b_info->max_vcpus = 1;
keir@20542 2067 b_info->max_memkb = 32 * 1024;
keir@20542 2068 if (c_info->hvm) {
keir@20542 2069 b_info->shadow_memkb = libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
keir@20542 2070 b_info->video_memkb = 8 * 1024;
keir@20542 2071 b_info->kernel = "/usr/lib/xen/boot/hvmloader";
keir@20542 2072 b_info->hvm = 1;
keir@20542 2073 b_info->u.hvm.pae = 1;
keir@20542 2074 b_info->u.hvm.apic = 1;
keir@20542 2075 b_info->u.hvm.acpi = 1;
keir@20542 2076 b_info->u.hvm.nx = 1;
keir@20542 2077 b_info->u.hvm.viridian = 0;
keir@20542 2078 }
keir@20542 2079 }
keir@20542 2080
keir@20542 2081 void init_dm_info(libxl_device_model_info *dm_info,
keir@20542 2082 libxl_domain_create_info *c_info, libxl_domain_build_info *b_info)
keir@20542 2083 {
keir@20542 2084 memset(dm_info, '\0', sizeof(*dm_info));
keir@20542 2085
keir@20542 2086 dm_info->dom_name = c_info->name;
keir@20542 2087 dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20542 2088 dm_info->videoram = b_info->video_memkb / 1024;
keir@20542 2089 dm_info->apic = b_info->u.hvm.apic;
keir@20542 2090
keir@20542 2091 dm_info->stdvga = 0;
keir@20542 2092 dm_info->vnc = 1;
keir@20542 2093 dm_info->vnclisten = "127.0.0.1";
keir@20542 2094 dm_info->vncdisplay = 0;
keir@20542 2095 dm_info->vncunused = 0;
keir@20542 2096 dm_info->keymap = NULL;
keir@20542 2097 dm_info->sdl = 0;
keir@20542 2098 dm_info->opengl = 0;
keir@20542 2099 dm_info->nographic = 0;
keir@20542 2100 dm_info->serial = NULL;
keir@20542 2101 dm_info->boot = "cda";
keir@20542 2102 dm_info->usb = 0;
keir@20542 2103 dm_info->usbdevice = NULL;
keir@20542 2104 }
keir@20542 2105
keir@20542 2106 void init_nic_info(libxl_device_nic *nic_info, int devnum)
keir@20542 2107 {
keir@20542 2108 memset(nic_info, '\0', sizeof(*nic_info));
keir@20542 2109
keir@20542 2110
keir@20542 2111 nic_info->backend_domid = 0;
keir@20542 2112 nic_info->domid = 0;
keir@20542 2113 nic_info->devid = devnum;
keir@20542 2114 nic_info->mtu = 1492;
keir@20542 2115 nic_info->model = "e1000";
keir@20542 2116 srand(time(0));
keir@20542 2117 nic_info->mac[0] = 0x00;
keir@20542 2118 nic_info->mac[1] = 0x16;
keir@20542 2119 nic_info->mac[2] = 0x3e;
keir@20542 2120 nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
keir@20542 2121 nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542 2122 nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542 2123 asprintf(&(nic_info->smac), "%02x:%02x:%02x:%02x:%02x:%02x", nic_info->mac[0], nic_info->mac[1], nic_info->mac[2], nic_info->mac[3], nic_info->mac[4], nic_info->mac[5]);
keir@20542 2124 nic_info->ifname = NULL;
keir@20542 2125 nic_info->bridge = "xenbr0";
keir@20542 2126 nic_info->script = "/etc/xen/scripts/vif-bridge";
keir@20542 2127 nic_info->nictype = NICTYPE_IOEMU;
keir@20542 2128 }
keir@20542 2129
keir@20542 2130 void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
keir@20542 2131 {
keir@20542 2132 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 2133 vfb->devid = dev_num;
keir@20542 2134 vfb->vnc = 1;
keir@20542 2135 vfb->vnclisten = "127.0.0.1";
keir@20542 2136 vfb->vncdisplay = 0;
keir@20542 2137 vfb->vncunused = 1;
keir@20542 2138 vfb->keymap = NULL;
keir@20542 2139 vfb->sdl = 0;
keir@20542 2140 vfb->opengl = 0;
keir@20542 2141 }
keir@20542 2142
keir@20542 2143 void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
keir@20542 2144 {
keir@20542 2145 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 2146 vkb->devid = dev_num;
keir@20542 2147 }
keir@20542 2148
keir@20542 2149 void init_console_info(libxl_device_console *console, int dev_num, libxl_domain_build_state *state)
keir@20542 2150 {
keir@20542 2151 memset(console, 0x00, sizeof(libxl_device_console));
keir@20542 2152 console->devid = dev_num;
keir@20542 2153 console->constype = CONSTYPE_XENCONSOLED;
keir@20542 2154 if (state)
keir@20542 2155 console->build_state = state;
keir@20542 2156 }
keir@20542 2157
keir@20542 2158