debuggers.hg

annotate tools/libxl/libxl.c @ 20823:b35974051d7e

libxenlight: don't try to delete path when they doesn't exists.

fix segfault in destroy when creation hasn't been done properly.

Signed-off-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Jan 08 11:48:02 2010 +0000 (2010-01-08)
parents 9a49e6a66bf0
children 182883d9acbe
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@20788 37 int libxl_ctx_init(struct libxl_ctx *ctx, int version)
keir@20462 38 {
keir@20788 39 if (version != LIBXL_VERSION)
keir@20788 40 return ERROR_VERSION;
keir@20462 41 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462 42 ctx->alloc_maxsize = 256;
keir@20462 43 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462 44 if (!ctx->alloc_ptrs)
keir@20462 45 return ERROR_NOMEM;
keir@20462 46
keir@20462 47 ctx->xch = xc_interface_open();
keir@20819 48 if (ctx->xch == -1) {
keir@20819 49 free(ctx->alloc_ptrs);
keir@20819 50 return ERROR_FAIL;
keir@20819 51 }
keir@20819 52
keir@20462 53 ctx->xsh = xs_daemon_open();
keir@20819 54 if (!ctx->xsh) {
keir@20819 55 xc_interface_close(ctx->xch);
keir@20819 56 free(ctx->alloc_ptrs);
keir@20819 57 return ERROR_FAIL;
keir@20819 58 }
keir@20462 59 return 0;
keir@20462 60 }
keir@20462 61
keir@20462 62 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462 63 {
keir@20462 64 libxl_free_all(ctx);
keir@20462 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@20646 85 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462 86 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646 87 "control", "attr", "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@20801 94 uuid_string = string_of_uuid(ctx, info->uuid);
keir@20462 95 if (!uuid_string) {
keir@20801 96 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate uuid string");
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 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580 105 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468 106
keir@20468 107 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 108 if (ret < 0) {
keir@20512 109 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462 110 return ERROR_FAIL;
keir@20462 111 }
keir@20462 112
keir@20462 113 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512 114 if (!dom_path)
keir@20512 115 return ERROR_FAIL;
keir@20512 116
keir@20462 117 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462 118 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512 119 if (!vm_path || !vss_path) {
keir@20462 120 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462 121 return ERROR_FAIL;
keir@20462 122 }
keir@20462 123
keir@20462 124 roperm[0].id = 0;
keir@20462 125 roperm[0].perms = XS_PERM_NONE;
keir@20462 126 roperm[1].id = *domid;
keir@20462 127 roperm[1].perms = XS_PERM_READ;
keir@20462 128 rwperm[0].id = *domid;
keir@20462 129 rwperm[0].perms = XS_PERM_NONE;
keir@20462 130
keir@20462 131 retry_transaction:
keir@20462 132 t = xs_transaction_start(ctx->xsh);
keir@20462 133 xs_rm(ctx->xsh, t, dom_path);
keir@20462 134 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 135 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 136
keir@20462 137 xs_rm(ctx->xsh, t, vm_path);
keir@20462 138 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 139 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 140
keir@20462 141 xs_rm(ctx->xsh, t, vss_path);
keir@20462 142 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462 143 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 144
keir@20462 145 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462 146 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462 147 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462 148
keir@20462 149 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462 150 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462 151 xs_mkdir(ctx->xsh, t, path);
keir@20462 152 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 153 libxl_free(ctx, path);
keir@20462 154 }
keir@20462 155 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462 156 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462 157 xs_mkdir(ctx->xsh, t, path);
keir@20462 158 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 159 libxl_free(ctx, path);
keir@20462 160 }
keir@20462 161
keir@20462 162 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462 163 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462 164
keir@20462 165 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462 166 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462 167
keir@20462 168 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 169
keir@20462 170 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 171 if (errno == EAGAIN)
keir@20462 172 goto retry_transaction;
keir@20462 173 return 0;
keir@20462 174 }
keir@20462 175
keir@20516 176 int libxl_domain_build(struct libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 177 {
keir@20462 178 char **vments = NULL, **localents = NULL;
keir@20578 179 int i;
keir@20462 180
keir@20509 181 build_pre(ctx, domid, info, state);
keir@20462 182 if (info->hvm) {
keir@20509 183 build_hvm(ctx, domid, info, state);
keir@20509 184 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 185 vments[0] = "rtc/timeoffset";
keir@20516 186 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 187 vments[2] = "image/ostype";
keir@20516 188 vments[3] = "hvm";
keir@20462 189 } else {
keir@20509 190 build_pv(ctx, domid, info, state);
keir@20509 191 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578 192 i = 0;
keir@20578 193 vments[i++] = "image/ostype";
keir@20578 194 vments[i++] = "linux";
keir@20578 195 vments[i++] = "image/kernel";
keir@20578 196 vments[i++] = (char*) info->kernel;
keir@20578 197 if (info->u.pv.ramdisk) {
keir@20578 198 vments[i++] = "image/ramdisk";
keir@20578 199 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578 200 }
keir@20578 201 if (info->u.pv.cmdline) {
keir@20578 202 vments[i++] = "image/cmdline";
keir@20578 203 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 204 }
keir@20462 205 }
keir@20509 206 build_post(ctx, domid, info, state, vments, localents);
keir@20516 207 return 0;
keir@20462 208 }
keir@20462 209
keir@20462 210 int libxl_domain_restore(struct libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 211 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 212 libxl_device_model_info *dm_info)
keir@20462 213 {
keir@20462 214 char **vments = NULL, **localents = NULL;
keir@20627 215 int i;
keir@20462 216
keir@20565 217 build_pre(ctx, domid, info, state);
keir@20565 218 restore_common(ctx, domid, info, state, fd);
keir@20462 219 if (info->hvm) {
keir@20565 220 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 221 vments[0] = "rtc/timeoffset";
keir@20516 222 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 223 vments[2] = "image/ostype";
keir@20565 224 vments[3] = "hvm";
keir@20462 225 } else {
keir@20565 226 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627 227 i = 0;
keir@20627 228 vments[i++] = "image/ostype";
keir@20627 229 vments[i++] = "linux";
keir@20627 230 vments[i++] = "image/kernel";
keir@20627 231 vments[i++] = (char*) info->kernel;
keir@20627 232 if (info->u.pv.ramdisk) {
keir@20627 233 vments[i++] = "image/ramdisk";
keir@20627 234 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627 235 }
keir@20627 236 if (info->u.pv.cmdline) {
keir@20627 237 vments[i++] = "image/cmdline";
keir@20627 238 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 239 }
keir@20462 240 }
keir@20565 241 build_post(ctx, domid, info, state, vments, localents);
keir@20565 242 if (info->hvm)
keir@20565 243 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565 244 else
keir@20565 245 dm_info->saved_state = NULL;
keir@20565 246
keir@20462 247 return 0;
keir@20462 248 }
keir@20462 249
keir@20629 250 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629 251 {
keir@20629 252 if (is_hvm(ctx, domid)) {
keir@20629 253 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629 254 "non-cooperative hvm domain %u", domid);
keir@20629 255 return ERROR_NI;
keir@20629 256 }
keir@20629 257 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629 258 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 259 "xc_domain_resume failed for domain %u",
keir@20629 260 domid);
keir@20629 261 return ERROR_FAIL;
keir@20629 262 }
keir@20629 263 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629 264 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 265 "xs_resume_domain failed for domain %u",
keir@20629 266 domid);
keir@20629 267 return ERROR_FAIL;
keir@20629 268 }
keir@20629 269 return 0;
keir@20629 270 }
keir@20629 271
keir@20462 272 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 273 {
keir@20462 274 struct libxl_dominfo *ptr;
keir@20462 275 int index, i, ret, first_domain;
keir@20822 276 xc_domaininfo_t info[1024];
keir@20822 277 int size = 1024;
keir@20462 278
keir@20462 279 first_domain = 1;
keir@20462 280 index = 0;
keir@20516 281 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462 282 if (!ptr)
keir@20462 283 return NULL;
keir@20822 284
keir@20822 285 ret = xc_domain_getinfolist(ctx->xch, first_domain, 1024, info);
keir@20462 286 for (i = 0; i < ret; i++) {
keir@20579 287 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20462 288 ptr[index].domid = info[i].domain;
keir@20822 289 printf("domain %d [ret %d]\n", ptr[index].domid, ret);
keir@20784 290
keir@20784 291 if (info[i].flags & XEN_DOMINF_dying)
keir@20784 292 ptr[index].dying = 1;
keir@20784 293 else if (info[i].flags & XEN_DOMINF_paused)
keir@20784 294 ptr[index].paused = 1;
keir@20784 295 else if (info[i].flags & XEN_DOMINF_blocked || info[i].flags & XEN_DOMINF_running)
keir@20784 296 ptr[index].running = 1;
keir@20784 297
keir@20462 298 first_domain = info[i].domain + 1;
keir@20462 299 index++;
keir@20462 300 }
keir@20462 301 *nb_domain = index;
keir@20462 302 return ptr;
keir@20462 303 }
keir@20462 304
keir@20462 305 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 306 uint32_t domid, int fd)
keir@20462 307 {
keir@20565 308 int hvm = is_hvm(ctx, domid);
keir@20565 309 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565 310 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462 311
keir@20462 312 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565 313 if (hvm)
keir@20779 314 save_device_model(ctx, domid, fd);
keir@20462 315 return 0;
keir@20462 316 }
keir@20462 317
keir@20462 318 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 319 {
keir@20462 320 xc_domain_pause(ctx->xch, domid);
keir@20462 321 return 0;
keir@20462 322 }
keir@20462 323
keir@20462 324 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 325 {
keir@20779 326 char *path;
keir@20565 327 char *state;
keir@20565 328
keir@20565 329 if (is_hvm(ctx, domid)) {
keir@20779 330 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565 331 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565 332 if (state != NULL && !strcmp(state, "paused")) {
keir@20565 333 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565 334 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 335 }
keir@20565 336 }
keir@20462 337 xc_domain_unpause(ctx->xch, domid);
keir@20565 338
keir@20462 339 return 0;
keir@20462 340 }
keir@20462 341
keir@20462 342 static char *req_table[] = {
keir@20462 343 [0] = "poweroff",
keir@20462 344 [1] = "reboot",
keir@20462 345 [2] = "suspend",
keir@20462 346 [3] = "crash",
keir@20462 347 [4] = "halt",
keir@20462 348 };
keir@20462 349
keir@20462 350 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 351 {
keir@20462 352 char *shutdown_path;
keir@20462 353 char *dom_path;
keir@20462 354
keir@20462 355 if (req > ARRAY_SIZE(req_table))
keir@20462 356 return ERROR_INVAL;
keir@20462 357
keir@20462 358 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 359 if (!dom_path)
keir@20512 360 return ERROR_FAIL;
keir@20512 361
keir@20462 362 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462 363
keir@20462 364 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462 365 if (/* hvm */ 0) {
keir@20462 366 unsigned long acpi_s_state = 0;
keir@20462 367 unsigned long pvdriver = 0;
keir@20462 368 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462 369 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462 370 if (!pvdriver && acpi_s_state != 0)
keir@20462 371 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462 372 }
keir@20462 373 return 0;
keir@20462 374 }
keir@20462 375
keir@20637 376 int libxl_get_wait_fd(struct libxl_ctx *ctx, int *fd)
keir@20545 377 {
keir@20545 378 *fd = xs_fileno(ctx->xsh);
keir@20545 379 return 0;
keir@20545 380 }
keir@20545 381
keir@20637 382 int libxl_wait_for_domain_death(struct libxl_ctx *ctx, uint32_t domid, libxl_waiter *waiter)
keir@20637 383 {
keir@20637 384 waiter->path = strdup("@releaseDomain");
keir@20637 385 asprintf(&(waiter->token), "%d", DOMAIN_DEATH);
keir@20637 386 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637 387 return -1;
keir@20637 388 return 0;
keir@20637 389 }
keir@20637 390
keir@20637 391 int libxl_wait_for_disk_ejects(struct libxl_ctx *ctx, uint32_t guest_domid, libxl_device_disk *disks, int num_disks, libxl_waiter *waiter)
keir@20637 392 {
keir@20637 393 int i;
keir@20637 394 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637 395
keir@20637 396 if (!domid)
keir@20637 397 domid = guest_domid;
keir@20637 398
keir@20637 399 for (i = 0; i < num_disks; i++) {
keir@20637 400 asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject", libxl_xs_get_dompath(ctx, domid), device_disk_dev_number(disks[i].virtpath));
keir@20637 401 asprintf(&(waiter[i].token), "%d", DISK_EJECT);
keir@20637 402 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637 403 }
keir@20637 404 return 0;
keir@20637 405 }
keir@20637 406
keir@20637 407 int libxl_get_event(struct libxl_ctx *ctx, libxl_event *event)
keir@20545 408 {
keir@20545 409 unsigned int num;
keir@20637 410 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637 411 if (num != 2) {
keir@20637 412 free(events);
keir@20637 413 return -1;
keir@20637 414 }
keir@20637 415 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637 416 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637 417 event->type = atoi(event->token);
keir@20637 418 free(events);
keir@20637 419 return 0;
keir@20637 420 }
keir@20637 421
keir@20637 422 int libxl_stop_waiting(struct libxl_ctx *ctx, libxl_waiter *waiter)
keir@20637 423 {
keir@20637 424 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637 425 return -1;
keir@20637 426 else
keir@20637 427 return 0;
keir@20637 428 }
keir@20637 429
keir@20637 430 int libxl_free_event(libxl_event *event)
keir@20637 431 {
keir@20637 432 free(event->path);
keir@20637 433 free(event->token);
keir@20637 434 return 0;
keir@20637 435 }
keir@20637 436
keir@20637 437 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637 438 {
keir@20637 439 free(waiter->path);
keir@20637 440 free(waiter->token);
keir@20637 441 return 0;
keir@20637 442 }
keir@20637 443
keir@20785 444 int libxl_event_get_domain_death_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, xc_domaininfo_t *info)
keir@20637 445 {
keir@20785 446 int rc = 0, ret;
keir@20545 447
keir@20637 448 if (event && event->type == DOMAIN_DEATH) {
keir@20785 449 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785 450 if (ret == 1 && info->domain == domid) {
keir@20785 451 if (info->flags & XEN_DOMINF_running ||
keir@20785 452 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545 453 goto out;
keir@20545 454 rc = 1;
keir@20545 455 goto out;
keir@20545 456 }
keir@20785 457 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545 458 rc = 1;
keir@20545 459 goto out;
keir@20545 460 }
keir@20545 461 out:
keir@20545 462 return rc;
keir@20545 463 }
keir@20545 464
keir@20637 465 int libxl_event_get_disk_eject_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_device_disk *disk)
keir@20637 466 {
keir@20637 467 if (event && event->type == DISK_EJECT) {
keir@20637 468 char *path;
keir@20637 469 char *backend;
keir@20637 470 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637 471
keir@20637 472 if (!value || strcmp(value, "eject"))
keir@20637 473 return 0;
keir@20637 474
keir@20637 475 path = strdup(event->path);
keir@20637 476 path[strlen(path) - 6] = '\0';
keir@20637 477 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637 478
keir@20637 479 disk->backend_domid = 0;
keir@20637 480 disk->domid = domid;
keir@20637 481 disk->physpath = NULL;
keir@20637 482 disk->phystype = 0;
keir@20637 483 /* this value is returned to the user: do not free right away */
keir@20637 484 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637 485 disk->unpluggable = 1;
keir@20637 486 disk->readwrite = 0;
keir@20637 487 disk->is_cdrom = 1;
keir@20637 488
keir@20637 489 free(path);
keir@20637 490 return 1;
keir@20637 491 }
keir@20637 492 return 0;
keir@20637 493 }
keir@20637 494
keir@20462 495 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 496 {
keir@20462 497 char *pid;
keir@20462 498 int ret;
keir@20462 499
keir@20462 500 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 501 if (!pid) {
keir@20542 502 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 503 if (!stubdomid) {
keir@20542 504 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542 505 return -1;
keir@20542 506 }
keir@20542 507 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542 508 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462 509 }
keir@20462 510 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462 511
keir@20462 512 ret = kill(atoi(pid), SIGHUP);
keir@20462 513 if (ret < 0 && errno == ESRCH) {
keir@20512 514 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462 515 ret = 0;
keir@20462 516 } else if (ret == 0) {
keir@20512 517 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462 518 ret = 0;
keir@20462 519 } else {
keir@20512 520 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512 521 atoi(pid));
keir@20462 522 }
keir@20462 523 return ret;
keir@20462 524 }
keir@20462 525
keir@20462 526 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 527 {
keir@20801 528 char *dom_path;
keir@20779 529 char *vm_path, *vss_path, *xapi_path;
keir@20628 530 int rc, dm_present;
keir@20628 531
keir@20628 532 if (is_hvm(ctx, domid)) {
keir@20628 533 dm_present = 1;
keir@20628 534 } else {
keir@20628 535 char *pid;
keir@20628 536 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 537 dm_present = (pid != NULL);
keir@20628 538 libxl_free(ctx, pid);
keir@20628 539 }
keir@20462 540
keir@20462 541 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 542 if (!dom_path)
keir@20462 543 return -1;
keir@20512 544
keir@20482 545 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512 546 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 547 if (dm_present) {
keir@20628 548 xs_write(ctx->xsh, XBT_NULL,
keir@20628 549 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628 550 "shutdown", strlen("shutdown"));
keir@20628 551 }
keir@20512 552 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 553 if (rc < 0) {
keir@20512 554 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 555 return -1;
keir@20462 556 }
keir@20628 557 if (dm_present) {
keir@20628 558 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628 559 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 560 }
keir@20462 561 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512 562 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462 563 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512 564 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779 565
keir@20801 566 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", domid));
keir@20823 567 if (vm_path)
keir@20823 568 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823 569 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779 570
keir@20801 571 vss_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vss", domid));
keir@20823 572 if (vss_path)
keir@20823 573 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20823 574 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779 575
keir@20779 576 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20823 577 if (xapi_path)
keir@20823 578 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20823 579 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779 580
keir@20545 581 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 582 if (rc < 0) {
keir@20545 583 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545 584 return -1;
keir@20545 585 }
keir@20462 586 return 0;
keir@20462 587 }
keir@20462 588
keir@20564 589 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564 590 {
keir@20564 591 struct stat st;
keir@20564 592 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564 593 char *cmd;
keir@20564 594
keir@20564 595 if (stat(XENCONSOLE, &st) != 0) {
keir@20564 596 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564 597 return ERROR_FAIL;
keir@20564 598 }
keir@20564 599
keir@20564 600 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564 601 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564 602 }
keir@20564 603
keir@20462 604 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462 605 libxl_device_model_info *info,
keir@20462 606 libxl_device_nic *vifs,
keir@20462 607 int num_vifs)
keir@20462 608 {
keir@20462 609 int num = 0, i;
keir@20462 610 flexarray_t *dm_args;
keir@20462 611 dm_args = flexarray_make(16, 1);
keir@20462 612 if (!dm_args)
keir@20462 613 return NULL;
keir@20462 614
keir@20516 615 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 616 flexarray_set(dm_args, num++, "-d");
keir@20462 617
keir@20462 618 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462 619
keir@20462 620 if (info->dom_name) {
keir@20516 621 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 622 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 623 }
keir@20462 624 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 625 flexarray_set(dm_args, num++, "-vnc");
keir@20462 626 if (info->vncdisplay) {
keir@20462 627 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462 628 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462 629 } else {
keir@20462 630 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462 631 }
keir@20462 632 } else if (info->vnclisten) {
keir@20462 633 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 634 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 635 } else {
keir@20462 636 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462 637 }
keir@20462 638 } else {
keir@20516 639 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 640 }
keir@20462 641 if (info->vncunused) {
keir@20516 642 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 643 }
keir@20462 644 }
keir@20462 645 if (info->sdl || info->opengl) {
keir@20516 646 flexarray_set(dm_args, num++, "-sdl");
keir@20462 647 if (info->opengl) {
keir@20516 648 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 649 }
keir@20462 650 }
keir@20462 651 if (info->keymap) {
keir@20516 652 flexarray_set(dm_args, num++, "-k");
keir@20516 653 flexarray_set(dm_args, num++, info->keymap);
keir@20462 654 }
keir@20462 655 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 656 flexarray_set(dm_args, num++, "-nographic");
keir@20462 657 }
keir@20462 658 if (info->serial) {
keir@20516 659 flexarray_set(dm_args, num++, "-serial");
keir@20516 660 flexarray_set(dm_args, num++, info->serial);
keir@20462 661 }
keir@20509 662 if (info->type == XENFV) {
keir@20509 663 if (info->videoram) {
keir@20516 664 flexarray_set(dm_args, num++, "-videoram");
keir@20509 665 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509 666 }
keir@20509 667 if (info->stdvga) {
keir@20516 668 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 669 }
keir@20509 670
keir@20509 671 if (info->boot) {
keir@20516 672 flexarray_set(dm_args, num++, "-boot");
keir@20516 673 flexarray_set(dm_args, num++, info->boot);
keir@20509 674 }
keir@20509 675 if (info->usb) {
keir@20516 676 flexarray_set(dm_args, num++, "-usb");
keir@20509 677 if (info->usbdevice) {
keir@20516 678 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 679 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 680 }
keir@20509 681 }
keir@20509 682 if (info->apic) {
keir@20516 683 flexarray_set(dm_args, num++, "-acpi");
keir@20509 684 }
keir@20509 685 for (i = 0; i < num_vifs; i++) {
keir@20509 686 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780 687 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780 688 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780 689 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781 690 if (!vifs[i].ifname)
keir@20781 691 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516 692 flexarray_set(dm_args, num++, "-net");
keir@20509 693 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780 694 vifs[i].devid, smac, vifs[i].model));
keir@20516 695 flexarray_set(dm_args, num++, "-net");
keir@20509 696 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509 697 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509 698 }
keir@20462 699 }
keir@20462 700 }
keir@20565 701 if (info->saved_state) {
keir@20565 702 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 703 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 704 }
keir@20509 705 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 706 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 707 flexarray_set(dm_args, num++, "-M");
keir@20509 708 if (info->type == XENPV)
keir@20516 709 flexarray_set(dm_args, num++, "xenpv");
keir@20509 710 else
keir@20516 711 flexarray_set(dm_args, num++, "xenfv");
keir@20462 712 flexarray_set(dm_args, num++, NULL);
keir@20462 713
keir@20462 714 return (char **) flexarray_contents(dm_args);
keir@20462 715 }
keir@20462 716
keir@20514 717 void dm_xenstore_record_pid(struct libxl_ctx *ctx, void *for_spawn,
keir@20514 718 pid_t innerchild) {
keir@20514 719 struct libxl_device_model_starting *starting = for_spawn;
keir@20514 720 char *kvs[3];
keir@20820 721 int rc;
keir@20820 722 struct xs_handle *xsh;
keir@20514 723
keir@20820 724 xsh = xs_daemon_open();
keir@20514 725 /* we mustn't use the parent's handle in the child */
keir@20514 726
keir@20514 727 kvs[0] = "image/device-model-pid";
keir@20820 728 asprintf(&kvs[1], "%d", innerchild);
keir@20514 729 kvs[2] = NULL;
keir@20820 730
keir@20820 731 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820 732 if (rc)
keir@20820 733 return;
keir@20820 734 xs_daemon_close(xsh);
keir@20514 735 }
keir@20514 736
keir@20542 737 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542 738 libxl_device_model_info *info,
keir@20542 739 libxl_device_vfb *vfb,
keir@20542 740 libxl_device_vkb *vkb)
keir@20542 741 {
keir@20542 742 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 743 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 744
keir@20542 745 vfb->backend_domid = 0;
keir@20542 746 vfb->devid = 0;
keir@20542 747 vfb->vnc = info->vnc;
keir@20542 748 vfb->vnclisten = info->vnclisten;
keir@20542 749 vfb->vncdisplay = info->vncdisplay;
keir@20542 750 vfb->vncunused = info->vncunused;
keir@20542 751 vfb->keymap = info->keymap;
keir@20542 752 vfb->sdl = info->sdl;
keir@20542 753 vfb->opengl = info->opengl;
keir@20542 754
keir@20542 755 vkb->backend_domid = 0;
keir@20542 756 vkb->devid = 0;
keir@20542 757 return 0;
keir@20542 758 }
keir@20542 759
keir@20542 760 static int libxl_write_dmargs(struct libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 761 {
keir@20542 762 int i;
keir@20542 763 char *vm_path;
keir@20542 764 char *dmargs, *path;
keir@20542 765 int dmargs_size;
keir@20542 766 struct xs_permissions roperm[2];
keir@20542 767 xs_transaction_t t;
keir@20542 768
keir@20542 769 roperm[0].id = 0;
keir@20542 770 roperm[0].perms = XS_PERM_NONE;
keir@20542 771 roperm[1].id = domid;
keir@20542 772 roperm[1].perms = XS_PERM_READ;
keir@20542 773
keir@20542 774 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542 775
keir@20542 776 i = 0;
keir@20542 777 dmargs_size = 0;
keir@20542 778 while (args[i] != NULL) {
keir@20542 779 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 780 i++;
keir@20542 781 }
keir@20542 782 dmargs_size++;
keir@20542 783 dmargs = (char *) malloc(dmargs_size);
keir@20542 784 i = 1;
keir@20542 785 dmargs[0] = '\0';
keir@20542 786 while (args[i] != NULL) {
keir@20542 787 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 788 strcat(dmargs, " ");
keir@20542 789 strcat(dmargs, args[i]);
keir@20542 790 }
keir@20542 791 i++;
keir@20542 792 }
keir@20542 793 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542 794
keir@20542 795 retry_transaction:
keir@20542 796 t = xs_transaction_start(ctx->xsh);
keir@20542 797 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 798 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542 799 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 800 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 801 if (errno == EAGAIN)
keir@20542 802 goto retry_transaction;
keir@20542 803 free(dmargs);
keir@20542 804 return 0;
keir@20542 805 }
keir@20542 806
keir@20542 807 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542 808 libxl_device_model_info *info,
keir@20542 809 libxl_device_disk *disks, int num_disks,
keir@20542 810 libxl_device_nic *vifs, int num_vifs,
keir@20542 811 libxl_device_vfb *vfb,
keir@20542 812 libxl_device_vkb *vkb,
keir@20542 813 libxl_device_model_starting **starting_r)
keir@20542 814 {
keir@20570 815 int i, num_console = 1;
keir@20570 816 libxl_device_console *console;
keir@20542 817 libxl_domain_create_info c_info;
keir@20542 818 libxl_domain_build_info b_info;
keir@20542 819 libxl_domain_build_state state;
keir@20542 820 uint32_t domid;
keir@20542 821 char **args;
keir@20542 822 struct xs_permissions perm[2];
keir@20542 823 xs_transaction_t t;
keir@20594 824 libxl_device_model_starting *dm_starting = 0;
keir@20542 825
keir@20542 826 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542 827 if (!args)
keir@20542 828 return ERROR_FAIL;
keir@20542 829
keir@20542 830 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 831 c_info.hvm = 0;
keir@20542 832 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801 833 for (i = 0; i < 16; i++)
keir@20801 834 c_info.uuid[i] = info->uuid[i];
keir@20542 835
keir@20542 836 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 837 b_info.max_vcpus = 1;
keir@20542 838 b_info.max_memkb = 32 * 1024;
keir@20647 839 b_info.target_memkb = b_info.max_memkb;
keir@20542 840 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542 841 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542 842 b_info.u.pv.ramdisk = "";
keir@20542 843 b_info.u.pv.features = "";
keir@20542 844 b_info.hvm = 0;
keir@20542 845
keir@20542 846 libxl_domain_make(ctx, &c_info, &domid);
keir@20542 847 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542 848
keir@20542 849 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542 850 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 851 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542 852 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542 853 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 854
keir@20542 855 perm[0].id = domid;
keir@20542 856 perm[0].perms = XS_PERM_NONE;
keir@20542 857 perm[1].id = info->domid;
keir@20542 858 perm[1].perms = XS_PERM_READ;
keir@20542 859 retry_transaction:
keir@20542 860 t = xs_transaction_start(ctx->xsh);
keir@20542 861 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542 862 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635 863 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635 864 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542 865 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 866 if (errno == EAGAIN)
keir@20542 867 goto retry_transaction;
keir@20542 868
keir@20542 869 for (i = 0; i < num_disks; i++) {
keir@20781 870 disks[i].domid = domid;
keir@20781 871 libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20542 872 }
keir@20542 873 for (i = 0; i < num_vifs; i++) {
keir@20781 874 vifs[i].domid = domid;
keir@20781 875 libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20542 876 }
keir@20781 877 vfb->domid = domid;
keir@20542 878 libxl_device_vfb_add(ctx, domid, vfb);
keir@20781 879 vkb->domid = domid;
keir@20542 880 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542 881
keir@20570 882 if (info->serial)
keir@20570 883 num_console++;
keir@20570 884 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20570 885 for (i = 0; i < num_console; i++) {
keir@20781 886 console[i].devid = i;
keir@20781 887 console[i].constype = CONSTYPE_IOEMU;
keir@20781 888 console[i].domid = domid;
keir@20570 889 if (!i)
keir@20781 890 console[i].build_state = &state;
keir@20570 891 libxl_device_console_add(ctx, domid, &console[i]);
keir@20570 892 }
keir@20594 893 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594 894 free(args);
keir@20594 895 return -1;
keir@20594 896 }
keir@20594 897 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594 898 free(args);
keir@20594 899 return -1;
keir@20594 900 }
keir@20542 901
keir@20542 902 libxl_domain_unpause(ctx, domid);
keir@20542 903
keir@20594 904 if (starting_r) {
keir@20594 905 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598 906 (*starting_r)->domid = info->domid;
keir@20594 907 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 908 (*starting_r)->for_spawn = NULL;
keir@20594 909 }
keir@20594 910
keir@20542 911 free(args);
keir@20542 912 return 0;
keir@20542 913 }
keir@20542 914
keir@20462 915 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462 916 libxl_device_model_info *info,
keir@20542 917 libxl_device_disk *disks, int num_disks,
keir@20514 918 libxl_device_nic *vifs, int num_vifs,
keir@20514 919 libxl_device_model_starting **starting_r)
keir@20462 920 {
keir@20546 921 char *path, *logfile;
keir@20514 922 int logfile_w, null;
keir@20546 923 int rc;
keir@20462 924 char **args;
keir@20594 925 struct libxl_device_model_starting buf_starting, *p;
keir@20514 926
keir@20542 927 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 928 libxl_device_vfb vfb;
keir@20542 929 libxl_device_vkb vkb;
keir@20542 930
keir@20542 931 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542 932 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542 933 }
keir@20542 934
keir@20462 935 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462 936 if (!args)
keir@20462 937 return ERROR_FAIL;
keir@20462 938
keir@20462 939 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462 940 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462 941
keir@20546 942 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 943 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 944 free(logfile);
keir@20462 945 null = open("/dev/null", O_RDONLY);
keir@20514 946
keir@20514 947 if (starting_r) {
keir@20516 948 rc = ERROR_NOMEM;
keir@20594 949 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516 950 if (!*starting_r) goto xit;
keir@20594 951 p = *starting_r;
keir@20611 952 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594 953 } else {
keir@20594 954 p = &buf_starting;
keir@20594 955 p->for_spawn = NULL;
keir@20594 956 }
keir@20514 957
keir@20594 958 p->domid = info->domid;
keir@20594 959 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 960 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594 961
keir@20594 962 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514 963 if (rc < 0) goto xit;
keir@20514 964 if (!rc) { /* inner child */
keir@20514 965 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514 966 info->device_model, args);
keir@20514 967 }
keir@20514 968
keir@20514 969 rc = 0;
keir@20514 970 xit:
keir@20516 971 free(args);
keir@20462 972 close(null);
keir@20462 973 close(logfile_w);
keir@20462 974
keir@20514 975 return rc;
keir@20514 976 }
keir@20514 977
keir@20514 978 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779 979 libxl_device_model_starting *starting)
keir@20779 980 {
keir@20514 981 int rc;
keir@20594 982 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594 983 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514 984 libxl_free(ctx, starting);
keir@20514 985 return rc;
keir@20514 986 }
keir@20462 987
keir@20514 988
keir@20514 989 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779 990 libxl_device_model_starting *starting)
keir@20779 991 {
keir@20514 992 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514 993 libxl_spawn_check,
keir@20594 994 starting->for_spawn);
keir@20514 995 int detach = libxl_detach_device_model(ctx, starting);
keir@20514 996 return problem ? problem : detach;
keir@20542 997 return 0;
keir@20462 998 }
keir@20462 999
keir@20514 1000
keir@20462 1001 /******************************************************************************/
keir@20566 1002
keir@20566 1003 static int is_blktap2_supported(void)
keir@20566 1004 {
keir@20566 1005 char buf[1024];
keir@20566 1006 FILE *f = fopen("/proc/devices", "r");
keir@20566 1007
keir@20566 1008
keir@20566 1009 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566 1010 if (strstr(buf, "blktap2")) {
keir@20566 1011 fclose(f);
keir@20566 1012 return 1;
keir@20566 1013 }
keir@20566 1014 }
keir@20566 1015 fclose(f);
keir@20566 1016 return 0;
keir@20566 1017 }
keir@20566 1018
keir@20566 1019 static char *get_blktap2_device(struct libxl_ctx *ctx, char *name, char *type)
keir@20566 1020 {
keir@20566 1021 char buf[1024];
keir@20566 1022 char *p;
keir@20566 1023 int devnum;
keir@20566 1024 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566 1025
keir@20566 1026
keir@20566 1027 while (!feof(f)) {
keir@20566 1028 fscanf(f, "%d %s", &devnum, buf);
keir@20566 1029 p = strchr(buf, ':');
keir@20571 1030 if (p == NULL)
keir@20571 1031 continue;
keir@20566 1032 p++;
keir@20566 1033 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566 1034 fclose(f);
keir@20566 1035 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566 1036 }
keir@20566 1037 }
keir@20566 1038 fclose(f);
keir@20566 1039 return NULL;
keir@20566 1040 }
keir@20566 1041
keir@20462 1042 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1043 {
keir@20462 1044 flexarray_t *front;
keir@20462 1045 flexarray_t *back;
keir@20462 1046 char *backend_type;
keir@20462 1047 unsigned int boffset = 0;
keir@20462 1048 unsigned int foffset = 0;
keir@20462 1049 int devid;
keir@20462 1050 libxl_device device;
keir@20566 1051 int major, minor;
keir@20462 1052
keir@20462 1053 front = flexarray_make(16, 1);
keir@20462 1054 if (!front)
keir@20462 1055 return ERROR_NOMEM;
keir@20462 1056 back = flexarray_make(16, 1);
keir@20462 1057 if (!back) /* leaks front if error */
keir@20462 1058 return ERROR_NOMEM;
keir@20462 1059
keir@20462 1060 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462 1061 devid = device_disk_dev_number(disk->virtpath);
keir@20462 1062
keir@20462 1063 device.backend_devid = devid;
keir@20462 1064 device.backend_domid = disk->backend_domid;
keir@20462 1065 device.devid = devid;
keir@20462 1066 device.domid = disk->domid;
keir@20462 1067 device.kind = DEVICE_VBD;
keir@20462 1068
keir@20462 1069 switch (disk->phystype) {
keir@20462 1070 case PHYSTYPE_PHY: {
keir@20462 1071
keir@20509 1072 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1073 flexarray_set(back, boffset++, "physical-device");
keir@20462 1074 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462 1075
keir@20516 1076 flexarray_set(back, boffset++, "params");
keir@20516 1077 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1078
keir@20462 1079 device.backend_kind = DEVICE_VBD;
keir@20462 1080 break;
keir@20462 1081 }
keir@20566 1082 case PHYSTYPE_FILE:
keir@20566 1083 /* let's pretend is tap:aio for the moment */
keir@20566 1084 disk->phystype = PHYSTYPE_AIO;
keir@20462 1085 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566 1086 if (is_blktap2_supported()) {
keir@20566 1087 int rc, c, p[2], tot;
keir@20566 1088 char buf[1024], *dev;
keir@20779 1089 dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype));
keir@20779 1090 if (dev == NULL) {
keir@20566 1091 if (pipe(p) < 0) {
keir@20566 1092 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566 1093 return -1;
keir@20566 1094 }
keir@20566 1095 rc = fork();
keir@20566 1096 if (rc < 0) {
keir@20566 1097 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566 1098 return -1;
keir@20566 1099 } else if (!rc) { /* child */
keir@20566 1100 int null_r, null_w;
keir@20566 1101 char *args[4];
keir@20566 1102 args[0] = "tapdisk2";
keir@20566 1103 args[1] = "-n";
keir@20566 1104 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566 1105 args[3] = NULL;
keir@20566 1106
keir@20566 1107 null_r = open("/dev/null", O_RDONLY);
keir@20566 1108 null_w = open("/dev/null", O_WRONLY);
keir@20566 1109 libxl_exec(ctx, null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566 1110 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566 1111 }
keir@20566 1112 close(p[1]);
keir@20566 1113 tot = 0;
keir@20566 1114 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566 1115 tot = tot + c;
keir@20566 1116 close(p[0]);
keir@20566 1117 buf[tot - 1] = '\0';
keir@20566 1118 dev = buf;
keir@20566 1119 }
keir@20566 1120 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566 1121 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1122 flexarray_set(back, boffset++, "params");
keir@20566 1123 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566 1124 backend_type = "phy";
keir@20566 1125 device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1126 flexarray_set(back, boffset++, "physical-device");
keir@20566 1127 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566 1128 device.backend_kind = DEVICE_VBD;
keir@20566 1129
keir@20566 1130 break;
keir@20566 1131 }
keir@20516 1132 flexarray_set(back, boffset++, "params");
keir@20462 1133 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462 1134 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1135
keir@20462 1136 device.backend_kind = DEVICE_TAP;
keir@20462 1137 break;
keir@20462 1138 }
keir@20462 1139
keir@20516 1140 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1141 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516 1142 flexarray_set(back, boffset++, "online");
keir@20516 1143 flexarray_set(back, boffset++, "1");
keir@20516 1144 flexarray_set(back, boffset++, "removable");
keir@20462 1145 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1146 flexarray_set(back, boffset++, "bootable");
keir@20509 1147 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1148 flexarray_set(back, boffset++, "state");
keir@20462 1149 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1150 flexarray_set(back, boffset++, "dev");
keir@20516 1151 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1152 flexarray_set(back, boffset++, "type");
keir@20516 1153 flexarray_set(back, boffset++, backend_type);
keir@20516 1154 flexarray_set(back, boffset++, "mode");
keir@20516 1155 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1156
keir@20516 1157 flexarray_set(front, foffset++, "backend-id");
keir@20462 1158 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516 1159 flexarray_set(front, foffset++, "state");
keir@20462 1160 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1161 flexarray_set(front, foffset++, "virtual-device");
keir@20462 1162 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516 1163 flexarray_set(front, foffset++, "device-type");
keir@20516 1164 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1165
keir@20462 1166 if (0 /* protocol != native*/) {
keir@20516 1167 flexarray_set(front, foffset++, "protocol");
keir@20516 1168 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1169 }
keir@20462 1170
keir@20462 1171 libxl_device_generic_add(ctx, &device,
keir@20462 1172 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1173 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1174 flexarray_free(back);
keir@20516 1175 flexarray_free(front);
keir@20462 1176 return 0;
keir@20462 1177 }
keir@20462 1178
keir@20626 1179 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626 1180 libxl_device_disk *disk, int wait)
keir@20462 1181 {
keir@20626 1182 libxl_device device;
keir@20626 1183 int devid;
keir@20462 1184
keir@20626 1185 devid = device_disk_dev_number(disk->virtpath);
keir@20626 1186 device.backend_domid = disk->backend_domid;
keir@20626 1187 device.backend_devid = devid;
keir@20626 1188 device.backend_kind =
keir@20626 1189 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1190 device.domid = disk->domid;
keir@20626 1191 device.devid = devid;
keir@20626 1192 device.kind = DEVICE_VBD;
keir@20626 1193 return libxl_device_del(ctx, &device, wait);
keir@20462 1194 }
keir@20462 1195
keir@20462 1196 /******************************************************************************/
keir@20462 1197 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1198 {
keir@20462 1199 flexarray_t *front;
keir@20462 1200 flexarray_t *back;
keir@20462 1201 unsigned int boffset = 0;
keir@20462 1202 unsigned int foffset = 0;
keir@20462 1203 libxl_device device;
keir@20462 1204
keir@20462 1205 front = flexarray_make(16, 1);
keir@20462 1206 if (!front)
keir@20462 1207 return ERROR_NOMEM;
keir@20462 1208 back = flexarray_make(16, 1);
keir@20462 1209 if (!back)
keir@20462 1210 return ERROR_NOMEM;
keir@20462 1211
keir@20462 1212 device.backend_devid = nic->devid;
keir@20462 1213 device.backend_domid = nic->backend_domid;
keir@20462 1214 device.backend_kind = DEVICE_VIF;
keir@20462 1215 device.devid = nic->devid;
keir@20462 1216 device.domid = nic->domid;
keir@20462 1217 device.kind = DEVICE_VIF;
keir@20462 1218
keir@20516 1219 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1220 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516 1221 flexarray_set(back, boffset++, "online");
keir@20516 1222 flexarray_set(back, boffset++, "1");
keir@20516 1223 flexarray_set(back, boffset++, "state");
keir@20462 1224 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1225 flexarray_set(back, boffset++, "script");
keir@20516 1226 flexarray_set(back, boffset++, nic->script);
keir@20516 1227 flexarray_set(back, boffset++, "mac");
keir@20462 1228 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1229 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1230 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516 1231 flexarray_set(back, boffset++, "handle");
keir@20462 1232 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462 1233
keir@20516 1234 flexarray_set(front, foffset++, "backend-id");
keir@20462 1235 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516 1236 flexarray_set(front, foffset++, "state");
keir@20462 1237 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1238 flexarray_set(front, foffset++, "handle");
keir@20462 1239 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516 1240 flexarray_set(front, foffset++, "mac");
keir@20462 1241 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1242 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1243 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 1244 if (0 /* protocol != native*/) {
keir@20516 1245 flexarray_set(front, foffset++, "protocol");
keir@20516 1246 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1247 }
keir@20462 1248
keir@20462 1249 libxl_device_generic_add(ctx, &device,
keir@20462 1250 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1251 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462 1252
keir@20462 1253 /* FIXME: wait for plug */
keir@20516 1254 flexarray_free(back);
keir@20516 1255 flexarray_free(front);
keir@20462 1256 return 0;
keir@20462 1257 }
keir@20462 1258
keir@20626 1259 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626 1260 libxl_device_nic *nic, int wait)
keir@20462 1261 {
keir@20626 1262 libxl_device device;
keir@20462 1263
keir@20626 1264 device.backend_devid = nic->devid;
keir@20626 1265 device.backend_domid = nic->backend_domid;
keir@20626 1266 device.backend_kind = DEVICE_VIF;
keir@20626 1267 device.devid = nic->devid;
keir@20626 1268 device.domid = nic->domid;
keir@20626 1269 device.kind = DEVICE_VIF;
keir@20626 1270
keir@20626 1271 return libxl_device_del(ctx, &device, wait);
keir@20462 1272 }
keir@20462 1273
keir@20462 1274 /******************************************************************************/
keir@20509 1275 int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 1276 {
keir@20509 1277 flexarray_t *front;
keir@20509 1278 flexarray_t *back;
keir@20509 1279 unsigned int boffset = 0;
keir@20509 1280 unsigned int foffset = 0;
keir@20509 1281 libxl_device device;
keir@20509 1282
keir@20509 1283 if (console->build_state) {
keir@20509 1284 xs_transaction_t t;
keir@20509 1285 char **ents = (char **) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516 1286 ents[0] = "console/port";
keir@20509 1287 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516 1288 ents[2] = "console/ring-ref";
keir@20509 1289 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516 1290 ents[4] = "console/limit";
keir@20509 1291 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516 1292 ents[6] = "console/type";
keir@20509 1293 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509 1294 ents[7] = "xenconsoled";
keir@20509 1295 else
keir@20509 1296 ents[7] = "ioemu";
keir@20509 1297 retry_transaction:
keir@20509 1298 t = xs_transaction_start(ctx->xsh);
keir@20516 1299 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509 1300 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509 1301 if (errno == EAGAIN)
keir@20509 1302 goto retry_transaction;
keir@20509 1303 }
keir@20509 1304
keir@20509 1305 front = flexarray_make(16, 1);
keir@20509 1306 if (!front)
keir@20509 1307 return ERROR_NOMEM;
keir@20509 1308 back = flexarray_make(16, 1);
keir@20509 1309 if (!back)
keir@20509 1310 return ERROR_NOMEM;
keir@20509 1311
keir@20509 1312 device.backend_devid = console->devid;
keir@20509 1313 device.backend_domid = console->backend_domid;
keir@20509 1314 device.backend_kind = DEVICE_CONSOLE;
keir@20509 1315 device.devid = console->devid;
keir@20509 1316 device.domid = console->domid;
keir@20509 1317 device.kind = DEVICE_CONSOLE;
keir@20509 1318
keir@20516 1319 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1320 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516 1321 flexarray_set(back, boffset++, "online");
keir@20516 1322 flexarray_set(back, boffset++, "1");
keir@20516 1323 flexarray_set(back, boffset++, "state");
keir@20509 1324 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1325 flexarray_set(back, boffset++, "domain");
keir@20516 1326 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1327 flexarray_set(back, boffset++, "protocol");
keir@20516 1328 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 1329
keir@20516 1330 flexarray_set(front, foffset++, "backend-id");
keir@20509 1331 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516 1332 flexarray_set(front, foffset++, "state");
keir@20509 1333 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1334 flexarray_set(front, foffset++, "limit");
keir@20509 1335 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516 1336 flexarray_set(front, foffset++, "protocol");
keir@20516 1337 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516 1338 flexarray_set(front, foffset++, "type");
keir@20509 1339 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516 1340 flexarray_set(front, foffset++, "xenconsoled");
keir@20509 1341 else
keir@20516 1342 flexarray_set(front, foffset++, "ioemu");
keir@20509 1343
keir@20509 1344 libxl_device_generic_add(ctx, &device,
keir@20509 1345 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1346 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1347 flexarray_free(back);
keir@20516 1348 flexarray_free(front);
keir@20509 1349
keir@20509 1350 return 0;
keir@20509 1351 }
keir@20509 1352
keir@20509 1353 /******************************************************************************/
keir@20509 1354 int libxl_device_vkb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 1355 {
keir@20509 1356 flexarray_t *front;
keir@20509 1357 flexarray_t *back;
keir@20509 1358 unsigned int boffset = 0;
keir@20509 1359 unsigned int foffset = 0;
keir@20509 1360 libxl_device device;
keir@20509 1361
keir@20509 1362 front = flexarray_make(16, 1);
keir@20509 1363 if (!front)
keir@20509 1364 return ERROR_NOMEM;
keir@20509 1365 back = flexarray_make(16, 1);
keir@20509 1366 if (!back)
keir@20509 1367 return ERROR_NOMEM;
keir@20509 1368
keir@20509 1369 device.backend_devid = vkb->devid;
keir@20509 1370 device.backend_domid = vkb->backend_domid;
keir@20509 1371 device.backend_kind = DEVICE_VKBD;
keir@20509 1372 device.devid = vkb->devid;
keir@20509 1373 device.domid = vkb->domid;
keir@20509 1374 device.kind = DEVICE_VKBD;
keir@20509 1375
keir@20516 1376 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1377 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516 1378 flexarray_set(back, boffset++, "online");
keir@20516 1379 flexarray_set(back, boffset++, "1");
keir@20516 1380 flexarray_set(back, boffset++, "state");
keir@20509 1381 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1382 flexarray_set(back, boffset++, "domain");
keir@20516 1383 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509 1384
keir@20516 1385 flexarray_set(front, foffset++, "backend-id");
keir@20509 1386 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516 1387 flexarray_set(front, foffset++, "state");
keir@20509 1388 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1389
keir@20509 1390 libxl_device_generic_add(ctx, &device,
keir@20509 1391 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1392 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1393 flexarray_free(back);
keir@20516 1394 flexarray_free(front);
keir@20509 1395
keir@20509 1396 return 0;
keir@20462 1397 }
keir@20462 1398
keir@20462 1399 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1400 {
keir@20462 1401 return ERROR_NI;
keir@20462 1402 }
keir@20462 1403
keir@20462 1404 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1405 {
keir@20462 1406 return ERROR_NI;
keir@20462 1407 }
keir@20462 1408
keir@20637 1409 libxl_device_disk *libxl_device_disk_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20637 1410 {
keir@20637 1411 char *be_path_tap, *be_path_vbd;
keir@20637 1412 libxl_device_disk *disks = NULL;
keir@20637 1413 char **l = NULL;
keir@20637 1414 unsigned int numl;
keir@20637 1415 int num_disks = 0, i;
keir@20637 1416 char *type;
keir@20637 1417
keir@20637 1418 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1419 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1420
keir@20637 1421 l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637 1422 if (l) {
keir@20637 1423 num_disks += numl;
keir@20637 1424 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1425 for (i = 0; i < numl; i++) {
keir@20637 1426 disks[i].backend_domid = 0;
keir@20637 1427 disks[i].domid = domid;
keir@20637 1428 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, l[i]));
keir@20637 1429 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_vbd, l[i])), &(disks[i].phystype));
keir@20637 1430 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, l[i]));
keir@20637 1431 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, l[i])));
keir@20637 1432 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, l[i])), "w"))
keir@20637 1433 disks[i].readwrite = 1;
keir@20637 1434 else
keir@20637 1435 disks[i].readwrite = 0;
keir@20637 1436 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, l[i]))));
keir@20637 1437 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1438 }
keir@20637 1439 free(l);
keir@20637 1440 }
keir@20637 1441 l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637 1442 if (l) {
keir@20637 1443 num_disks += numl;
keir@20637 1444 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1445 for (i = 0; i < numl; i++) {
keir@20637 1446 disks[i].backend_domid = 0;
keir@20637 1447 disks[i].domid = domid;
keir@20637 1448 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, l[i]));
keir@20637 1449 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_tap, l[i])), &(disks[i].phystype));
keir@20637 1450 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, l[i]));
keir@20637 1451 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, l[i])));
keir@20637 1452 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, l[i])), "w"))
keir@20637 1453 disks[i].readwrite = 1;
keir@20637 1454 else
keir@20637 1455 disks[i].readwrite = 0;
keir@20637 1456 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, l[i]))));
keir@20637 1457 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1458 }
keir@20637 1459 free(l);
keir@20637 1460 }
keir@20637 1461 *num = num_disks;
keir@20637 1462 return disks;
keir@20637 1463 }
keir@20637 1464
keir@20637 1465 int libxl_cdrom_insert(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20637 1466 {
keir@20637 1467 int num, i;
keir@20637 1468 uint32_t stubdomid;
keir@20637 1469 libxl_device_disk *disks;
keir@20637 1470
keir@20637 1471 if (!disk->physpath) {
keir@20637 1472 disk->physpath = "";
keir@20637 1473 disk->phystype = PHYSTYPE_PHY;
keir@20637 1474 }
keir@20637 1475 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637 1476 for (i = 0; i < num; i++) {
keir@20637 1477 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637 1478 /* found */
keir@20637 1479 break;
keir@20637 1480 }
keir@20637 1481 if (i == num) {
keir@20637 1482 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637 1483 return -1;
keir@20637 1484 }
keir@20637 1485 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 1486 libxl_device_disk_add(ctx, domid, disk);
keir@20637 1487 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637 1488 if (stubdomid) {
keir@20781 1489 disks[i].domid = stubdomid;
keir@20637 1490 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781 1491 disk->domid = stubdomid;
keir@20637 1492 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781 1493 disk->domid = domid;
keir@20637 1494 }
keir@20637 1495 return 0;
keir@20637 1496 }
keir@20637 1497
keir@20462 1498 /******************************************************************************/
keir@20509 1499 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509 1500 libxl_device_vfb *vfb,
keir@20509 1501 int num_console,
keir@20509 1502 libxl_device_console *console,
keir@20509 1503 libxl_device_model_info *info) {
keir@20509 1504 int i = 0, j = 0, num = 0;
keir@20509 1505 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 1506
keir@20509 1507 info->vnc = vfb->vnc;
keir@20509 1508 if (vfb->vnclisten)
keir@20509 1509 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509 1510 info->vncdisplay = vfb->vncdisplay;
keir@20509 1511 info->vncunused = vfb->vncunused;
keir@20509 1512 if (vfb->keymap)
keir@20509 1513 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509 1514 info->sdl = vfb->sdl;
keir@20509 1515 info->opengl = vfb->opengl;
keir@20509 1516 for (i = 0; i < num_console; i++) {
keir@20509 1517 if (console->constype == CONSTYPE_IOEMU)
keir@20509 1518 num++;
keir@20509 1519 }
keir@20509 1520 if (num > 0) {
keir@20599 1521 uint32_t guest_domid = libxl_is_stubdom(ctx, vfb->domid);
keir@20599 1522 if (guest_domid) {
keir@20599 1523 char *filename;
keir@20599 1524 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599 1525 libxl_create_logfile(ctx, name, &filename);
keir@20599 1526 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599 1527 free(filename);
keir@20599 1528 } else {
keir@20599 1529 info->serial = "pty";
keir@20599 1530 }
keir@20509 1531 num--;
keir@20509 1532 }
keir@20509 1533 if (num > 0) {
keir@20509 1534 info->extra = (char **) libxl_calloc(ctx, num * 2 + 1, sizeof(char *));
keir@20509 1535 for (j = 0; j < num * 2; j = j + 2) {
keir@20509 1536 info->extra[j] = "-serial";
keir@20509 1537 info->extra[j + 1] = "pty";
keir@20509 1538 }
keir@20509 1539 info->extra[j] = NULL;
keir@20509 1540 }
keir@20509 1541 info->domid = vfb->domid;
keir@20509 1542 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509 1543 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509 1544 info->type = XENPV;
keir@20509 1545 return 0;
keir@20509 1546 }
keir@20509 1547
keir@20509 1548 int libxl_create_xenpv_qemu(struct libxl_ctx *ctx, libxl_device_vfb *vfb,
keir@20514 1549 int num_console, libxl_device_console *console,
keir@20514 1550 struct libxl_device_model_starting **starting_r)
keir@20509 1551 {
keir@20509 1552 libxl_device_model_info info;
keir@20509 1553
keir@20509 1554 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542 1555 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509 1556 return 0;
keir@20509 1557 }
keir@20509 1558
keir@20509 1559 int libxl_device_vfb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 1560 {
keir@20509 1561 flexarray_t *front;
keir@20509 1562 flexarray_t *back;
keir@20509 1563 unsigned int boffset = 0;
keir@20509 1564 unsigned int foffset = 0;
keir@20509 1565 libxl_device device;
keir@20509 1566
keir@20509 1567 front = flexarray_make(16, 1);
keir@20509 1568 if (!front)
keir@20509 1569 return ERROR_NOMEM;
keir@20509 1570 back = flexarray_make(16, 1);
keir@20509 1571 if (!back)
keir@20509 1572 return ERROR_NOMEM;
keir@20509 1573
keir@20509 1574 device.backend_devid = vfb->devid;
keir@20509 1575 device.backend_domid = vfb->backend_domid;
keir@20509 1576 device.backend_kind = DEVICE_VFB;
keir@20509 1577 device.devid = vfb->devid;
keir@20509 1578 device.domid = vfb->domid;
keir@20509 1579 device.kind = DEVICE_VFB;
keir@20509 1580
keir@20516 1581 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1582 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516 1583 flexarray_set(back, boffset++, "online");
keir@20516 1584 flexarray_set(back, boffset++, "1");
keir@20516 1585 flexarray_set(back, boffset++, "state");
keir@20509 1586 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1587 flexarray_set(back, boffset++, "domain");
keir@20516 1588 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1589 flexarray_set(back, boffset++, "vnc");
keir@20509 1590 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516 1591 flexarray_set(back, boffset++, "vnclisten");
keir@20516 1592 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516 1593 flexarray_set(back, boffset++, "vncdisplay");
keir@20509 1594 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516 1595 flexarray_set(back, boffset++, "vncunused");
keir@20509 1596 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516 1597 flexarray_set(back, boffset++, "sdl");
keir@20509 1598 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516 1599 flexarray_set(back, boffset++, "opengl");
keir@20509 1600 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509 1601 if (vfb->xauthority) {
keir@20516 1602 flexarray_set(back, boffset++, "xauthority");
keir@20516 1603 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 1604 }
keir@20509 1605 if (vfb->display) {
keir@20516 1606 flexarray_set(back, boffset++, "display");
keir@20516 1607 flexarray_set(back, boffset++, vfb->display);
keir@20509 1608 }
keir@20509 1609
keir@20516 1610 flexarray_set(front, foffset++, "backend-id");
keir@20509 1611 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516 1612 flexarray_set(front, foffset++, "state");
keir@20509 1613 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1614
keir@20509 1615 libxl_device_generic_add(ctx, &device,
keir@20509 1616 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1617 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509 1618 flexarray_free(front);
keir@20509 1619 flexarray_free(back);
keir@20509 1620
keir@20509 1621 return 0;
keir@20462 1622 }
keir@20462 1623
keir@20462 1624 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1625 {
keir@20462 1626 return ERROR_NI;
keir@20462 1627 }
keir@20462 1628
keir@20462 1629 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1630 {
keir@20462 1631 return ERROR_NI;
keir@20462 1632 }
keir@20462 1633
keir@20462 1634 /******************************************************************************/
keir@20482 1635
keir@20482 1636 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482 1637 unsigned int bus, unsigned int dev,
keir@20482 1638 unsigned int func, unsigned int vdevfn)
keir@20482 1639 {
keir@20482 1640 pcidev->domain = domain;
keir@20482 1641 pcidev->bus = bus;
keir@20482 1642 pcidev->dev = dev;
keir@20482 1643 pcidev->func = func;
keir@20482 1644 pcidev->vdevfn = vdevfn;
keir@20482 1645 return 0;
keir@20482 1646 }
keir@20482 1647
keir@20482 1648 static int libxl_create_pci_backend(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev, int num)
keir@20482 1649 {
keir@20482 1650 flexarray_t *front;
keir@20482 1651 flexarray_t *back;
keir@20482 1652 unsigned int boffset = 0;
keir@20482 1653 unsigned int foffset = 0;
keir@20482 1654 libxl_device device;
keir@20482 1655 int i;
keir@20482 1656
keir@20482 1657 front = flexarray_make(16, 1);
keir@20482 1658 if (!front)
keir@20482 1659 return ERROR_NOMEM;
keir@20482 1660 back = flexarray_make(16, 1);
keir@20482 1661 if (!back)
keir@20482 1662 return ERROR_NOMEM;
keir@20482 1663
keir@20512 1664 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482 1665
keir@20482 1666 /* add pci device */
keir@20482 1667 device.backend_devid = 0;
keir@20482 1668 device.backend_domid = 0;
keir@20482 1669 device.backend_kind = DEVICE_PCI;
keir@20482 1670 device.devid = 0;
keir@20482 1671 device.domid = domid;
keir@20482 1672 device.kind = DEVICE_PCI;
keir@20482 1673
keir@20516 1674 flexarray_set(back, boffset++, "frontend-id");
keir@20482 1675 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516 1676 flexarray_set(back, boffset++, "online");
keir@20516 1677 flexarray_set(back, boffset++, "1");
keir@20516 1678 flexarray_set(back, boffset++, "state");
keir@20482 1679 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1680 flexarray_set(back, boffset++, "domain");
keir@20516 1681 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482 1682 for (i = 0; i < num; i++) {
keir@20482 1683 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482 1684 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1685 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482 1686 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1687 if (pcidev->vdevfn) {
keir@20482 1688 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482 1689 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1690 }
keir@20482 1691 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482 1692 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1693 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482 1694 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1695 }
keir@20516 1696 flexarray_set(back, boffset++, "num_devs");
keir@20482 1697 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482 1698
keir@20516 1699 flexarray_set(front, foffset++, "backend-id");
keir@20482 1700 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516 1701 flexarray_set(front, foffset++, "state");
keir@20482 1702 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1703
keir@20482 1704 libxl_device_generic_add(ctx, &device,
keir@20482 1705 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482 1706 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482 1707
keir@20482 1708 flexarray_free(back);
keir@20482 1709 flexarray_free(front);
keir@20482 1710 return 0;
keir@20482 1711 }
keir@20482 1712
keir@20482 1713 static int libxl_device_pci_add_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1714 {
keir@20482 1715 flexarray_t *back;
keir@20482 1716 char *num_devs, *be_path;
keir@20482 1717 int num = 0;
keir@20482 1718 unsigned int boffset = 0;
keir@20482 1719 xs_transaction_t t;
keir@20482 1720
keir@20516 1721 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1722 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 1723 if (!num_devs)
keir@20482 1724 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482 1725
keir@20482 1726 if (!is_hvm(ctx, domid)) {
keir@20482 1727 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482 1728 return -1;
keir@20482 1729 }
keir@20482 1730
keir@20482 1731 back = flexarray_make(16, 1);
keir@20482 1732 if (!back)
keir@20482 1733 return ERROR_NOMEM;
keir@20482 1734
keir@20512 1735 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482 1736 num = atoi(num_devs);
keir@20482 1737 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482 1738 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1739 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482 1740 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1741 if (pcidev->vdevfn) {
keir@20482 1742 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482 1743 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1744 }
keir@20482 1745 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482 1746 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1747 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482 1748 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1749 flexarray_set(back, boffset++, "num_devs");
keir@20482 1750 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516 1751 flexarray_set(back, boffset++, "state");
keir@20482 1752 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482 1753
keir@20482 1754 retry_transaction:
keir@20482 1755 t = xs_transaction_start(ctx->xsh);
keir@20482 1756 libxl_xs_writev(ctx, t, be_path,
keir@20482 1757 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482 1758 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1759 if (errno == EAGAIN)
keir@20482 1760 goto retry_transaction;
keir@20482 1761
keir@20482 1762 flexarray_free(back);
keir@20482 1763 return 0;
keir@20482 1764 }
keir@20482 1765
keir@20482 1766 static int libxl_device_pci_remove_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20482 1767 {
keir@20542 1768 char *be_path, *num_devs_path, *num_devs, *xsdev, *tmp, *tmppath;
keir@20542 1769 int num, i, j;
keir@20482 1770 xs_transaction_t t;
keir@20482 1771 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482 1772
keir@20516 1773 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1774 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482 1775 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482 1776 if (!num_devs)
keir@20482 1777 return -1;
keir@20482 1778 num = atoi(num_devs);
keir@20482 1779
keir@20482 1780 if (!is_hvm(ctx, domid)) {
keir@20482 1781 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1782 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482 1783 return -1;
keir@20482 1784 }
keir@20482 1785 }
keir@20482 1786
keir@20482 1787 for (i = 0; i < num; i++) {
keir@20482 1788 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 1789 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 1790 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482 1791 pcidev->dev == dev && pcidev->func == func) {
keir@20482 1792 break;
keir@20482 1793 }
keir@20482 1794 }
keir@20482 1795 if (i == num) {
keir@20512 1796 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482 1797 return -1;
keir@20482 1798 }
keir@20482 1799
keir@20482 1800 retry_transaction:
keir@20482 1801 t = xs_transaction_start(ctx->xsh);
keir@20542 1802 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482 1803 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482 1804 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1805 if (errno == EAGAIN)
keir@20482 1806 goto retry_transaction;
keir@20542 1807
keir@20542 1808 if (!is_hvm(ctx, domid)) {
keir@20542 1809 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1810 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542 1811 return -1;
keir@20542 1812 }
keir@20542 1813 }
keir@20542 1814
keir@20542 1815 retry_transaction2:
keir@20542 1816 t = xs_transaction_start(ctx->xsh);
keir@20542 1817 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542 1818 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542 1819 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542 1820 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542 1821 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542 1822 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542 1823 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542 1824 for (j = i + 1; j < num; j++) {
keir@20542 1825 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542 1826 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1827 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1828 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1829 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542 1830 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1831 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1832 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1833 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542 1834 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1835 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1836 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1837 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542 1838 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1839 if (tmp) {
keir@20542 1840 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1841 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1842 }
keir@20542 1843 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542 1844 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1845 if (tmp) {
keir@20542 1846 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1847 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1848 }
keir@20542 1849 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542 1850 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1851 if (tmp) {
keir@20542 1852 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1853 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1854 }
keir@20542 1855 }
keir@20542 1856 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1857 if (errno == EAGAIN)
keir@20542 1858 goto retry_transaction2;
keir@20542 1859
keir@20542 1860 if (num == 1) {
keir@20542 1861 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542 1862 libxl_device_destroy(ctx, be_path, 1);
keir@20542 1863 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542 1864 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542 1865 return 0;
keir@20542 1866 }
keir@20542 1867
keir@20482 1868 return 0;
keir@20462 1869 }
keir@20462 1870
keir@20482 1871 int libxl_device_pci_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1872 {
keir@20779 1873 char *path;
keir@20482 1874 char *state, *vdevfn;
keir@20482 1875 int rc, hvm;
keir@20542 1876 int stubdomid = 0;
keir@20482 1877
keir@20482 1878 /* TODO: check if the device can be assigned */
keir@20482 1879
keir@20482 1880 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1881
keir@20779 1882 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 1883 if (stubdomid != 0) {
keir@20542 1884 libxl_device_pci pcidev_s = *pcidev;
keir@20542 1885 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542 1886 }
keir@20542 1887
keir@20482 1888 hvm = is_hvm(ctx, domid);
keir@20482 1889 if (hvm) {
keir@20514 1890 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 1891 return -1;
keir@20482 1892 }
keir@20779 1893 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1894 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 1895 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1896 if (pcidev->vdevfn)
keir@20482 1897 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482 1898 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482 1899 else
keir@20482 1900 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1901 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 1902 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 1903 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514 1904 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512 1905 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779 1906 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1907 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1908 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779 1909 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1910 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1911 } else {
keir@20542 1912 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 1913 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1914 FILE *f = fopen(sysfs_path, "r");
keir@20482 1915 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 1916 int irq = 0;
keir@20482 1917 int i;
keir@20482 1918
keir@20482 1919 if (f == NULL) {
keir@20512 1920 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1921 return -1;
keir@20482 1922 }
keir@20482 1923 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512 1924 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482 1925 size = end - start + 1;
keir@20482 1926 if (start) {
keir@20482 1927 if (flags & PCI_BAR_IO) {
keir@20482 1928 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482 1929 if (rc < 0)
keir@20512 1930 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 1931 } else {
keir@20482 1932 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 1933 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482 1934 if (rc < 0)
keir@20512 1935 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 1936 }
keir@20482 1937 }
keir@20482 1938 }
keir@20482 1939 fclose(f);
keir@20542 1940 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 1941 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1942 f = fopen(sysfs_path, "r");
keir@20482 1943 if (f == NULL) {
keir@20512 1944 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1945 goto out;
keir@20482 1946 }
keir@20482 1947 fscanf(f, "%u", &irq);
keir@20482 1948 if (irq) {
keir@20482 1949 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482 1950 if (rc < 0) {
keir@20512 1951 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482 1952 }
keir@20482 1953 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482 1954 if (rc < 0) {
keir@20512 1955 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482 1956 }
keir@20482 1957 }
keir@20482 1958 fclose(f);
keir@20482 1959 }
keir@20482 1960 out:
keir@20542 1961 if (!libxl_is_stubdom(ctx, domid)) {
keir@20779 1962 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779 1963 if (rc < 0)
keir@20542 1964 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542 1965 }
keir@20482 1966
keir@20482 1967 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482 1968 return 0;
keir@20462 1969 }
keir@20462 1970
keir@20482 1971 int libxl_device_pci_remove(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1972 {
keir@20779 1973 char *path;
keir@20482 1974 char *state;
keir@20482 1975 int hvm, rc;
keir@20542 1976 int stubdomid = 0;
keir@20482 1977
keir@20482 1978 /* TODO: check if the device can be detached */
keir@20542 1979 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482 1980
keir@20482 1981 hvm = is_hvm(ctx, domid);
keir@20482 1982 if (hvm) {
keir@20514 1983 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 1984 return -1;
keir@20482 1985 }
keir@20779 1986 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1987 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 1988 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1989 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1990 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 1991 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 1992 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514 1993 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512 1994 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 1995 return -1;
keir@20482 1996 }
keir@20779 1997 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1998 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1999 } else {
keir@20542 2000 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 2001 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2002 FILE *f = fopen(sysfs_path, "r");
keir@20482 2003 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 2004 int irq = 0;
keir@20482 2005 int i;
keir@20482 2006
keir@20482 2007 if (f == NULL) {
keir@20512 2008 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2009 goto skip1;
keir@20482 2010 }
keir@20482 2011 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482 2012 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482 2013 size = end - start + 1;
keir@20482 2014 if (start) {
keir@20482 2015 if (flags & PCI_BAR_IO) {
keir@20482 2016 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482 2017 if (rc < 0)
keir@20512 2018 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 2019 } else {
keir@20482 2020 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2021 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482 2022 if (rc < 0)
keir@20512 2023 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 2024 }
keir@20482 2025 }
keir@20482 2026 }
keir@20482 2027 fclose(f);
keir@20482 2028 skip1:
keir@20542 2029 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2030 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2031 f = fopen(sysfs_path, "r");
keir@20482 2032 if (f == NULL) {
keir@20512 2033 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2034 goto out;
keir@20482 2035 }
keir@20482 2036 fscanf(f, "%u", &irq);
keir@20482 2037 if (irq) {
keir@20482 2038 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482 2039 if (rc < 0) {
keir@20512 2040 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482 2041 }
keir@20482 2042 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482 2043 if (rc < 0) {
keir@20512 2044 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482 2045 }
keir@20482 2046 }
keir@20482 2047 fclose(f);
keir@20482 2048 }
keir@20482 2049 out:
keir@20482 2050 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2051
keir@20542 2052 if (!libxl_is_stubdom(ctx, domid)) {
keir@20779 2053 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779 2054 if (rc < 0)
keir@20542 2055 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542 2056 }
keir@20542 2057
keir@20779 2058 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 2059 if (stubdomid != 0) {
keir@20542 2060 libxl_device_pci pcidev_s = *pcidev;
keir@20542 2061 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542 2062 }
keir@20542 2063
keir@20482 2064 return 0;
keir@20462 2065 }
keir@20482 2066
keir@20482 2067 libxl_device_pci *libxl_device_pci_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20482 2068 {
keir@20482 2069 char *be_path, *num_devs, *xsdev, *xsvdevfn, *xsopts;
keir@20482 2070 int n, i;
keir@20482 2071 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482 2072 libxl_device_pci *pcidevs;
keir@20482 2073
keir@20516 2074 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2075 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 2076 if (!num_devs) {
keir@20482 2077 *num = 0;
keir@20482 2078 return NULL;
keir@20482 2079 }
keir@20482 2080 n = atoi(num_devs);
keir@20779 2081 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482 2082 *num = n;
keir@20482 2083
keir@20482 2084 for (i = 0; i < n; i++) {
keir@20482 2085 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 2086 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 2087 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482 2088 if (xsvdevfn)
keir@20482 2089 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482 2090 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482 2091 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482 2092 if (xsopts) {
keir@20482 2093 char *saveptr;
keir@20482 2094 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482 2095 do {
keir@20482 2096 while (*p == ' ')
keir@20482 2097 p++;
keir@20482 2098 if (!strcmp(p, "msitranslate")) {
keir@20482 2099 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2100 pcidevs[i].msitranslate = atoi(p);
keir@20482 2101 } else if (!strcmp(p, "power_mgmt")) {
keir@20482 2102 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2103 pcidevs[i].power_mgmt = atoi(p);
keir@20482 2104 }
keir@20482 2105 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482 2106 }
keir@20482 2107 }
keir@20482 2108 return pcidevs;
keir@20482 2109 }
keir@20482 2110
keir@20482 2111 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482 2112 {
keir@20482 2113 libxl_device_pci *pcidevs;
keir@20482 2114 int num, i;
keir@20482 2115
keir@20482 2116 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482 2117 for (i = 0; i < num; i++) {
keir@20482 2118 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482 2119 return -1;
keir@20482 2120 }
keir@20516 2121 free(pcidevs);
keir@20482 2122 return 0;
keir@20482 2123 }
keir@20482 2124
keir@20647 2125 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb)
keir@20647 2126 {
keir@20647 2127 int rc = 0;
keir@20647 2128 uint32_t videoram;
keir@20647 2129 char *videoram_s = NULL;
keir@20647 2130 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@20542 2131
keir@20647 2132 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@20647 2133 if (!videoram_s)
keir@20647 2134 return -1;
keir@20647 2135 videoram = atoi(videoram_s);
keir@20647 2136
keir@20647 2137 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@20779 2138 rc = xc_domain_setmaxmem(ctx->xch, domid, target_memkb + LIBXL_MAXMEM_CONSTANT);
keir@20779 2139 if (rc != 0)
keir@20779 2140 return rc;
keir@20647 2141 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647 2142 return rc;
keir@20647 2143 }