debuggers.hg

annotate tools/libxl/libxl.c @ 20779:9417aa2c7380

libxl: coding styles cleanup

simplify some lines, and keep the xl style consistant with itself.
use libxl_sprintf instead of snprintf/sprintf

Signed-off-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Dec 30 12:41:22 2009 +0000 (2009-12-30)
parents 042f50e7353f
children 1604ad5c529f
rev   line source
keir@20462 1 /*
keir@20462 2 * Copyright (C) 2009 Citrix Ltd.
keir@20462 3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462 4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462 5 *
keir@20462 6 * This program is free software; you can redistribute it and/or modify
keir@20462 7 * it under the terms of the GNU Lesser General Public License as published
keir@20462 8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462 9 * exception on linking described in file LICENSE.
keir@20462 10 *
keir@20462 11 * This program is distributed in the hope that it will be useful,
keir@20462 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462 14 * GNU Lesser General Public License for more details.
keir@20462 15 */
keir@20462 16
keir@20513 17 #include "libxl_osdeps.h"
keir@20513 18
keir@20462 19 #include <stdio.h>
keir@20462 20 #include <string.h>
keir@20462 21 #include <stdlib.h>
keir@20462 22 #include <sys/types.h>
keir@20462 23 #include <fcntl.h>
keir@20462 24 #include <sys/select.h>
keir@20514 25 #include <sys/wait.h>
keir@20462 26 #include <signal.h>
keir@20468 27 #include <unistd.h> /* for write, unlink and close */
keir@20509 28 #include <stdint.h>
keir@20509 29 #include <inttypes.h>
keir@20514 30 #include <assert.h>
keir@20513 31
keir@20462 32 #include "libxl.h"
keir@20462 33 #include "libxl_utils.h"
keir@20462 34 #include "libxl_internal.h"
keir@20462 35 #include "flexarray.h"
keir@20462 36
keir@20462 37 int libxl_ctx_init(struct libxl_ctx *ctx)
keir@20462 38 {
keir@20462 39 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462 40 ctx->alloc_maxsize = 256;
keir@20462 41 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462 42 if (!ctx->alloc_ptrs)
keir@20462 43 return ERROR_NOMEM;
keir@20462 44
keir@20462 45 ctx->xch = xc_interface_open();
keir@20462 46 ctx->xsh = xs_daemon_open();
keir@20514 47
keir@20779 48 ctx->waitpid_instead = libxl_waitpid_instead_default;
keir@20462 49 return 0;
keir@20462 50 }
keir@20462 51
keir@20462 52 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462 53 {
keir@20462 54 libxl_free_all(ctx);
keir@20462 55 free(ctx->alloc_ptrs);
keir@20462 56 xc_interface_close(ctx->xch);
keir@20545 57 xs_daemon_close(ctx->xsh);
keir@20462 58 return 0;
keir@20462 59 }
keir@20462 60
keir@20462 61 int libxl_ctx_set_log(struct libxl_ctx *ctx, libxl_log_callback log_callback, void *log_data)
keir@20462 62 {
keir@20462 63 ctx->log_callback = log_callback;
keir@20462 64 ctx->log_userdata = log_data;
keir@20462 65 return 0;
keir@20462 66 }
keir@20462 67
keir@20462 68 /******************************************************************************/
keir@20462 69
keir@20462 70 int libxl_domain_make(struct libxl_ctx *ctx, libxl_domain_create_info *info,
keir@20462 71 uint32_t *domid)
keir@20462 72 {
keir@20462 73 int flags, ret, i;
keir@20468 74 char *uuid_string;
keir@20646 75 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462 76 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646 77 "control", "attr", "messages" };
keir@20462 78 char *dom_path, *vm_path, *vss_path;
keir@20462 79 struct xs_permissions roperm[2];
keir@20462 80 struct xs_permissions rwperm[1];
keir@20462 81 xs_transaction_t t;
keir@20468 82 xen_domain_handle_t handle;
keir@20462 83
keir@20468 84 uuid_string = libxl_uuid_to_string(ctx, info->uuid);
keir@20462 85 if (!uuid_string) {
keir@20462 86 XL_LOG(ctx, XL_LOG_ERROR, "missing uuid");
keir@20462 87 return ERROR_FAIL;
keir@20462 88 }
keir@20462 89
keir@20462 90 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462 91 flags |= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@20462 92 *domid = 0;
keir@20462 93
keir@20580 94 /*
keir@20468 95 * info->uuid != xen_domain_handle_t
keir@20468 96 * See:
keir@20468 97 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
keir@20468 98 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
keir@20468 99 *
keir@20468 100 * A DCE 1.1 compatible source representation of UUIDs.
keir@20468 101 *
keir@20468 102 * struct uuid {
keir@20468 103 * uint32_t time_low;
keir@20468 104 * uint16_t time_mid;
keir@20468 105 * uint16_t time_hi_and_version;
keir@20468 106 * uint8_t clock_seq_hi_and_reserved;
keir@20468 107 * uint8_t clock_seq_low;
keir@20468 108 * uint8_t node[_UUID_NODE_LEN];
keir@20468 109 * };
keir@20468 110 */
keir@20580 111 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580 112 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468 113
keir@20468 114 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 115 if (ret < 0) {
keir@20512 116 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462 117 return ERROR_FAIL;
keir@20462 118 }
keir@20462 119
keir@20462 120 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512 121 if (!dom_path)
keir@20512 122 return ERROR_FAIL;
keir@20512 123
keir@20462 124 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462 125 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512 126 if (!vm_path || !vss_path) {
keir@20462 127 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462 128 return ERROR_FAIL;
keir@20462 129 }
keir@20462 130
keir@20462 131 roperm[0].id = 0;
keir@20462 132 roperm[0].perms = XS_PERM_NONE;
keir@20462 133 roperm[1].id = *domid;
keir@20462 134 roperm[1].perms = XS_PERM_READ;
keir@20462 135 rwperm[0].id = *domid;
keir@20462 136 rwperm[0].perms = XS_PERM_NONE;
keir@20462 137
keir@20462 138 retry_transaction:
keir@20462 139 t = xs_transaction_start(ctx->xsh);
keir@20462 140 xs_rm(ctx->xsh, t, dom_path);
keir@20462 141 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 142 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 143
keir@20462 144 xs_rm(ctx->xsh, t, vm_path);
keir@20462 145 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 146 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 147
keir@20462 148 xs_rm(ctx->xsh, t, vss_path);
keir@20462 149 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462 150 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 151
keir@20462 152 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462 153 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462 154 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462 155
keir@20462 156 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462 157 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462 158 xs_mkdir(ctx->xsh, t, path);
keir@20462 159 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 160 libxl_free(ctx, path);
keir@20462 161 }
keir@20462 162 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462 163 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462 164 xs_mkdir(ctx->xsh, t, path);
keir@20462 165 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 166 libxl_free(ctx, path);
keir@20462 167 }
keir@20462 168
keir@20462 169 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462 170 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462 171
keir@20462 172 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462 173 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462 174
keir@20462 175 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 176
keir@20462 177 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 178 if (errno == EAGAIN)
keir@20462 179 goto retry_transaction;
keir@20462 180 return 0;
keir@20462 181 }
keir@20462 182
keir@20516 183 int libxl_domain_build(struct libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 184 {
keir@20462 185 char **vments = NULL, **localents = NULL;
keir@20578 186 int i;
keir@20462 187
keir@20509 188 build_pre(ctx, domid, info, state);
keir@20462 189 if (info->hvm) {
keir@20509 190 build_hvm(ctx, domid, info, state);
keir@20509 191 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 192 vments[0] = "rtc/timeoffset";
keir@20516 193 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 194 vments[2] = "image/ostype";
keir@20516 195 vments[3] = "hvm";
keir@20462 196 } else {
keir@20509 197 build_pv(ctx, domid, info, state);
keir@20509 198 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578 199 i = 0;
keir@20578 200 vments[i++] = "image/ostype";
keir@20578 201 vments[i++] = "linux";
keir@20578 202 vments[i++] = "image/kernel";
keir@20578 203 vments[i++] = (char*) info->kernel;
keir@20578 204 if (info->u.pv.ramdisk) {
keir@20578 205 vments[i++] = "image/ramdisk";
keir@20578 206 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578 207 }
keir@20578 208 if (info->u.pv.cmdline) {
keir@20578 209 vments[i++] = "image/cmdline";
keir@20578 210 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 211 }
keir@20462 212 }
keir@20509 213 build_post(ctx, domid, info, state, vments, localents);
keir@20516 214 return 0;
keir@20462 215 }
keir@20462 216
keir@20462 217 int libxl_domain_restore(struct libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 218 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 219 libxl_device_model_info *dm_info)
keir@20462 220 {
keir@20462 221 char **vments = NULL, **localents = NULL;
keir@20627 222 int i;
keir@20462 223
keir@20565 224 build_pre(ctx, domid, info, state);
keir@20565 225 restore_common(ctx, domid, info, state, fd);
keir@20462 226 if (info->hvm) {
keir@20565 227 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 228 vments[0] = "rtc/timeoffset";
keir@20516 229 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 230 vments[2] = "image/ostype";
keir@20565 231 vments[3] = "hvm";
keir@20462 232 } else {
keir@20565 233 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627 234 i = 0;
keir@20627 235 vments[i++] = "image/ostype";
keir@20627 236 vments[i++] = "linux";
keir@20627 237 vments[i++] = "image/kernel";
keir@20627 238 vments[i++] = (char*) info->kernel;
keir@20627 239 if (info->u.pv.ramdisk) {
keir@20627 240 vments[i++] = "image/ramdisk";
keir@20627 241 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627 242 }
keir@20627 243 if (info->u.pv.cmdline) {
keir@20627 244 vments[i++] = "image/cmdline";
keir@20627 245 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 246 }
keir@20462 247 }
keir@20565 248 build_post(ctx, domid, info, state, vments, localents);
keir@20565 249 if (info->hvm)
keir@20565 250 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565 251 else
keir@20565 252 dm_info->saved_state = NULL;
keir@20565 253
keir@20462 254 return 0;
keir@20462 255 }
keir@20462 256
keir@20629 257 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629 258 {
keir@20629 259 if (is_hvm(ctx, domid)) {
keir@20629 260 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629 261 "non-cooperative hvm domain %u", domid);
keir@20629 262 return ERROR_NI;
keir@20629 263 }
keir@20629 264 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629 265 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 266 "xc_domain_resume failed for domain %u",
keir@20629 267 domid);
keir@20629 268 return ERROR_FAIL;
keir@20629 269 }
keir@20629 270 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629 271 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 272 "xs_resume_domain failed for domain %u",
keir@20629 273 domid);
keir@20629 274 return ERROR_FAIL;
keir@20629 275 }
keir@20629 276 return 0;
keir@20629 277 }
keir@20629 278
keir@20462 279 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 280 {
keir@20462 281 struct libxl_dominfo *ptr;
keir@20462 282 int index, i, ret, first_domain;
keir@20462 283 xc_domaininfo_t info[16];
keir@20462 284 int size = 16;
keir@20462 285
keir@20462 286 first_domain = 1;
keir@20462 287 index = 0;
keir@20516 288 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462 289 if (!ptr)
keir@20462 290 return NULL;
keir@20462 291 redo:
keir@20462 292 ret = xc_domain_getinfolist(ctx->xch, first_domain, 16, info);
keir@20462 293 for (i = 0; i < ret; i++) {
keir@20462 294 if (index == size) {
keir@20462 295 struct libxl_dominfo *ptr2;
keir@20462 296
keir@20516 297 ptr2 = calloc(size * 2, sizeof(struct libxl_dominfo));
keir@20462 298 if (!ptr2) {
keir@20516 299 free(ptr);
keir@20462 300 return NULL;
keir@20462 301 }
keir@20462 302 memcpy(ptr2, ptr, sizeof(struct libxl_dominfo) * size);
keir@20516 303 free(ptr);
keir@20462 304 ptr = ptr2;
keir@20462 305 size *= 2;
keir@20462 306 }
keir@20579 307 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20462 308 ptr[index].domid = info[i].domain;
keir@20462 309 first_domain = info[i].domain + 1;
keir@20462 310 index++;
keir@20462 311 }
keir@20462 312 if (ret == 16)
keir@20462 313 goto redo;
keir@20462 314 *nb_domain = index;
keir@20462 315 return ptr;
keir@20462 316 }
keir@20462 317
keir@20462 318 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 319 {
keir@20462 320 int index, first_domain;
keir@20462 321 xc_dominfo_t *info;
keir@20462 322 int size = 1024;
keir@20462 323
keir@20462 324 first_domain = 0;
keir@20462 325 index = 0;
keir@20516 326 info = (xc_dominfo_t *) calloc(size, sizeof(xc_dominfo_t));
keir@20462 327 if (!info) {
keir@20462 328 *nb_domain = 0;
keir@20462 329 return NULL;
keir@20462 330 }
keir@20462 331 *nb_domain = xc_domain_getinfo(ctx->xch, first_domain, 1024, info);
keir@20462 332 return info;
keir@20462 333 }
keir@20462 334
keir@20630 335 xc_dominfo_t *libxl_domain_info(struct libxl_ctx *ctx, uint32_t domid)
keir@20630 336 {
keir@20630 337 xc_dominfo_t *info;
keir@20630 338 int rc;
keir@20630 339
keir@20630 340 info = (xc_dominfo_t *) calloc(1, sizeof(xc_dominfo_t));
keir@20630 341 if (!info) {
keir@20630 342 return NULL;
keir@20630 343 }
keir@20630 344 rc = xc_domain_getinfo(ctx->xch, domid, 1, info);
keir@20630 345 if (rc != 1) {
keir@20630 346 free(info);
keir@20630 347 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Failed to get info for domain %u",
keir@20630 348 domid);
keir@20630 349 return NULL;
keir@20630 350 }
keir@20630 351 if (info->domid != domid) {
keir@20630 352 free(info);
keir@20630 353 XL_LOG(ctx, XL_LOG_ERROR, "Failed to get info for domain %u"
keir@20630 354 ", seems to not exist anymore", domid);
keir@20630 355 return NULL;
keir@20630 356 }
keir@20630 357
keir@20630 358 return info;
keir@20630 359 }
keir@20779 360
keir@20462 361 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 362 uint32_t domid, int fd)
keir@20462 363 {
keir@20565 364 int hvm = is_hvm(ctx, domid);
keir@20565 365 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565 366 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462 367
keir@20462 368 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565 369 if (hvm)
keir@20779 370 save_device_model(ctx, domid, fd);
keir@20462 371 return 0;
keir@20462 372 }
keir@20462 373
keir@20462 374 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 375 {
keir@20462 376 xc_domain_pause(ctx->xch, domid);
keir@20462 377 return 0;
keir@20462 378 }
keir@20462 379
keir@20462 380 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 381 {
keir@20779 382 char *path;
keir@20565 383 char *state;
keir@20565 384
keir@20565 385 if (is_hvm(ctx, domid)) {
keir@20779 386 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565 387 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565 388 if (state != NULL && !strcmp(state, "paused")) {
keir@20565 389 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565 390 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 391 }
keir@20565 392 }
keir@20462 393 xc_domain_unpause(ctx->xch, domid);
keir@20565 394
keir@20462 395 return 0;
keir@20462 396 }
keir@20462 397
keir@20462 398 static char *req_table[] = {
keir@20462 399 [0] = "poweroff",
keir@20462 400 [1] = "reboot",
keir@20462 401 [2] = "suspend",
keir@20462 402 [3] = "crash",
keir@20462 403 [4] = "halt",
keir@20462 404 };
keir@20462 405
keir@20462 406 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 407 {
keir@20462 408 char *shutdown_path;
keir@20462 409 char *dom_path;
keir@20462 410
keir@20462 411 if (req > ARRAY_SIZE(req_table))
keir@20462 412 return ERROR_INVAL;
keir@20462 413
keir@20462 414 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 415 if (!dom_path)
keir@20512 416 return ERROR_FAIL;
keir@20512 417
keir@20462 418 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462 419
keir@20462 420 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462 421 if (/* hvm */ 0) {
keir@20462 422 unsigned long acpi_s_state = 0;
keir@20462 423 unsigned long pvdriver = 0;
keir@20462 424 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462 425 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462 426 if (!pvdriver && acpi_s_state != 0)
keir@20462 427 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462 428 }
keir@20462 429 return 0;
keir@20462 430 }
keir@20462 431
keir@20637 432 int libxl_get_wait_fd(struct libxl_ctx *ctx, int *fd)
keir@20545 433 {
keir@20545 434 *fd = xs_fileno(ctx->xsh);
keir@20545 435 return 0;
keir@20545 436 }
keir@20545 437
keir@20637 438 int libxl_wait_for_domain_death(struct libxl_ctx *ctx, uint32_t domid, libxl_waiter *waiter)
keir@20637 439 {
keir@20637 440 waiter->path = strdup("@releaseDomain");
keir@20637 441 asprintf(&(waiter->token), "%d", DOMAIN_DEATH);
keir@20637 442 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637 443 return -1;
keir@20637 444 return 0;
keir@20637 445 }
keir@20637 446
keir@20637 447 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 448 {
keir@20637 449 int i;
keir@20637 450 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637 451
keir@20637 452 if (!domid)
keir@20637 453 domid = guest_domid;
keir@20637 454
keir@20637 455 for (i = 0; i < num_disks; i++) {
keir@20637 456 asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject", libxl_xs_get_dompath(ctx, domid), device_disk_dev_number(disks[i].virtpath));
keir@20637 457 asprintf(&(waiter[i].token), "%d", DISK_EJECT);
keir@20637 458 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637 459 }
keir@20637 460 return 0;
keir@20637 461 }
keir@20637 462
keir@20637 463 int libxl_get_event(struct libxl_ctx *ctx, libxl_event *event)
keir@20545 464 {
keir@20545 465 unsigned int num;
keir@20637 466 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637 467 if (num != 2) {
keir@20637 468 free(events);
keir@20637 469 return -1;
keir@20637 470 }
keir@20637 471 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637 472 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637 473 event->type = atoi(event->token);
keir@20637 474 free(events);
keir@20637 475 return 0;
keir@20637 476 }
keir@20637 477
keir@20637 478 int libxl_stop_waiting(struct libxl_ctx *ctx, libxl_waiter *waiter)
keir@20637 479 {
keir@20637 480 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637 481 return -1;
keir@20637 482 else
keir@20637 483 return 0;
keir@20637 484 }
keir@20637 485
keir@20637 486 int libxl_free_event(libxl_event *event)
keir@20637 487 {
keir@20637 488 free(event->path);
keir@20637 489 free(event->token);
keir@20637 490 return 0;
keir@20637 491 }
keir@20637 492
keir@20637 493 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637 494 {
keir@20637 495 free(waiter->path);
keir@20637 496 free(waiter->token);
keir@20637 497 return 0;
keir@20637 498 }
keir@20637 499
keir@20637 500 int libxl_event_get_domain_death_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, xc_dominfo_t *info)
keir@20637 501 {
keir@20545 502 int nb_domain, i, rc = 0;
keir@20545 503 xc_dominfo_t *list = NULL;
keir@20545 504
keir@20637 505 if (event && event->type == DOMAIN_DEATH) {
keir@20545 506 list = libxl_domain_infolist(ctx, &nb_domain);
keir@20545 507 for (i = 0; i < nb_domain; i++) {
keir@20545 508 if (domid == list[i].domid) {
keir@20545 509 if (list[i].running || (!list[i].shutdown && !list[i].crashed && !list[i].dying))
keir@20545 510 goto out;
keir@20545 511 *info = list[i];
keir@20545 512 rc = 1;
keir@20545 513 goto out;
keir@20545 514 }
keir@20545 515 }
keir@20545 516 memset(info, 0x00, sizeof(xc_dominfo_t));
keir@20545 517 rc = 1;
keir@20545 518 goto out;
keir@20545 519 }
keir@20545 520 out:
keir@20545 521 free(list);
keir@20545 522 return rc;
keir@20545 523 }
keir@20545 524
keir@20637 525 int libxl_event_get_disk_eject_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_device_disk *disk)
keir@20637 526 {
keir@20637 527 if (event && event->type == DISK_EJECT) {
keir@20637 528 char *path;
keir@20637 529 char *backend;
keir@20637 530 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637 531
keir@20637 532 if (!value || strcmp(value, "eject"))
keir@20637 533 return 0;
keir@20637 534
keir@20637 535 path = strdup(event->path);
keir@20637 536 path[strlen(path) - 6] = '\0';
keir@20637 537 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637 538
keir@20637 539 disk->backend_domid = 0;
keir@20637 540 disk->domid = domid;
keir@20637 541 disk->physpath = NULL;
keir@20637 542 disk->phystype = 0;
keir@20637 543 /* this value is returned to the user: do not free right away */
keir@20637 544 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637 545 disk->unpluggable = 1;
keir@20637 546 disk->readwrite = 0;
keir@20637 547 disk->is_cdrom = 1;
keir@20637 548
keir@20637 549 free(path);
keir@20637 550 return 1;
keir@20637 551 }
keir@20637 552 return 0;
keir@20637 553 }
keir@20637 554
keir@20462 555 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 556 {
keir@20462 557 char *pid;
keir@20462 558 int ret;
keir@20462 559
keir@20462 560 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 561 if (!pid) {
keir@20542 562 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 563 if (!stubdomid) {
keir@20542 564 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542 565 return -1;
keir@20542 566 }
keir@20542 567 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542 568 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462 569 }
keir@20462 570 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462 571
keir@20462 572 ret = kill(atoi(pid), SIGHUP);
keir@20462 573 if (ret < 0 && errno == ESRCH) {
keir@20512 574 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462 575 ret = 0;
keir@20462 576 } else if (ret == 0) {
keir@20512 577 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462 578 ret = 0;
keir@20462 579 } else {
keir@20512 580 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512 581 atoi(pid));
keir@20462 582 }
keir@20462 583 return ret;
keir@20462 584 }
keir@20462 585
keir@20462 586 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 587 {
keir@20581 588 char *dom_path, *uuid_str;
keir@20779 589 char *vm_path, *vss_path, *xapi_path;
keir@20468 590 xen_uuid_t *uuid;
keir@20628 591 int rc, dm_present;
keir@20628 592
keir@20628 593 if (is_hvm(ctx, domid)) {
keir@20628 594 dm_present = 1;
keir@20628 595 } else {
keir@20628 596 char *pid;
keir@20628 597 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 598 dm_present = (pid != NULL);
keir@20628 599 libxl_free(ctx, pid);
keir@20628 600 }
keir@20462 601
keir@20462 602 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 603 if (!dom_path)
keir@20462 604 return -1;
keir@20512 605
keir@20462 606 if (libxl_domid_to_uuid(ctx, &uuid, domid) < 0) {
keir@20512 607 XL_LOG(ctx, XL_LOG_ERROR, "failed ot get uuid for %d", domid);
keir@20462 608 return -1;
keir@20462 609 }
keir@20482 610 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512 611 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 612 if (dm_present) {
keir@20628 613 xs_write(ctx->xsh, XBT_NULL,
keir@20628 614 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628 615 "shutdown", strlen("shutdown"));
keir@20628 616 }
keir@20512 617 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 618 if (rc < 0) {
keir@20512 619 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 620 return -1;
keir@20462 621 }
keir@20628 622 if (dm_present) {
keir@20628 623 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628 624 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 625 }
keir@20462 626 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512 627 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462 628 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512 629 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779 630
keir@20581 631 uuid_str = libxl_uuid_to_string(ctx, uuid);
keir@20779 632
keir@20779 633 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_str);
keir@20462 634 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20512 635 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779 636
keir@20779 637 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_str);
keir@20581 638 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20581 639 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779 640
keir@20779 641 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20581 642 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20581 643 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779 644
keir@20545 645 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 646 if (rc < 0) {
keir@20545 647 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545 648 return -1;
keir@20545 649 }
keir@20462 650 return 0;
keir@20462 651 }
keir@20462 652
keir@20564 653 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564 654 {
keir@20564 655 struct stat st;
keir@20564 656 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564 657 char *cmd;
keir@20564 658
keir@20564 659 if (stat(XENCONSOLE, &st) != 0) {
keir@20564 660 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564 661 return ERROR_FAIL;
keir@20564 662 }
keir@20564 663
keir@20564 664 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564 665 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564 666 }
keir@20564 667
keir@20462 668 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462 669 libxl_device_model_info *info,
keir@20462 670 libxl_device_nic *vifs,
keir@20462 671 int num_vifs)
keir@20462 672 {
keir@20462 673 int num = 0, i;
keir@20462 674 flexarray_t *dm_args;
keir@20462 675 dm_args = flexarray_make(16, 1);
keir@20462 676 if (!dm_args)
keir@20462 677 return NULL;
keir@20462 678
keir@20516 679 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 680 flexarray_set(dm_args, num++, "-d");
keir@20462 681
keir@20462 682 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462 683
keir@20462 684 if (info->dom_name) {
keir@20516 685 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 686 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 687 }
keir@20462 688 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 689 flexarray_set(dm_args, num++, "-vnc");
keir@20462 690 if (info->vncdisplay) {
keir@20462 691 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462 692 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462 693 } else {
keir@20462 694 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462 695 }
keir@20462 696 } else if (info->vnclisten) {
keir@20462 697 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 698 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 699 } else {
keir@20462 700 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462 701 }
keir@20462 702 } else {
keir@20516 703 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 704 }
keir@20462 705 if (info->vncunused) {
keir@20516 706 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 707 }
keir@20462 708 }
keir@20462 709 if (info->sdl || info->opengl) {
keir@20516 710 flexarray_set(dm_args, num++, "-sdl");
keir@20462 711 if (info->opengl) {
keir@20516 712 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 713 }
keir@20462 714 }
keir@20462 715 if (info->keymap) {
keir@20516 716 flexarray_set(dm_args, num++, "-k");
keir@20516 717 flexarray_set(dm_args, num++, info->keymap);
keir@20462 718 }
keir@20462 719 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 720 flexarray_set(dm_args, num++, "-nographic");
keir@20462 721 }
keir@20462 722 if (info->serial) {
keir@20516 723 flexarray_set(dm_args, num++, "-serial");
keir@20516 724 flexarray_set(dm_args, num++, info->serial);
keir@20462 725 }
keir@20509 726 if (info->type == XENFV) {
keir@20509 727 if (info->videoram) {
keir@20516 728 flexarray_set(dm_args, num++, "-videoram");
keir@20509 729 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509 730 }
keir@20509 731 if (info->stdvga) {
keir@20516 732 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 733 }
keir@20509 734
keir@20509 735 if (info->boot) {
keir@20516 736 flexarray_set(dm_args, num++, "-boot");
keir@20516 737 flexarray_set(dm_args, num++, info->boot);
keir@20509 738 }
keir@20509 739 if (info->usb) {
keir@20516 740 flexarray_set(dm_args, num++, "-usb");
keir@20509 741 if (info->usbdevice) {
keir@20516 742 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 743 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 744 }
keir@20509 745 }
keir@20509 746 if (info->apic) {
keir@20516 747 flexarray_set(dm_args, num++, "-acpi");
keir@20509 748 }
keir@20509 749 for (i = 0; i < num_vifs; i++) {
keir@20509 750 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20516 751 flexarray_set(dm_args, num++, "-net");
keir@20509 752 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20509 753 vifs[i].devid, vifs[i].smac, vifs[i].model));
keir@20516 754 flexarray_set(dm_args, num++, "-net");
keir@20509 755 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509 756 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509 757 }
keir@20462 758 }
keir@20462 759 }
keir@20565 760 if (info->saved_state) {
keir@20565 761 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 762 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 763 }
keir@20509 764 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 765 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 766 flexarray_set(dm_args, num++, "-M");
keir@20509 767 if (info->type == XENPV)
keir@20516 768 flexarray_set(dm_args, num++, "xenpv");
keir@20509 769 else
keir@20516 770 flexarray_set(dm_args, num++, "xenfv");
keir@20462 771 flexarray_set(dm_args, num++, NULL);
keir@20462 772
keir@20462 773 return (char **) flexarray_contents(dm_args);
keir@20462 774 }
keir@20462 775
keir@20514 776 void dm_xenstore_record_pid(struct libxl_ctx *ctx, void *for_spawn,
keir@20514 777 pid_t innerchild) {
keir@20514 778 struct libxl_device_model_starting *starting = for_spawn;
keir@20514 779 struct libxl_ctx clone;
keir@20514 780 char *kvs[3];
keir@20624 781 int rc, cloned;
keir@20514 782
keir@20624 783 if (libxl_clone_context_xs(ctx, &clone)) {
keir@20624 784 XL_LOG(ctx, XL_LOG_ERROR, "Out of memory when cloning context");
keir@20624 785 /* Throw a prayer fallback */
keir@20624 786 clone = *ctx;
keir@20624 787 clone.xsh = xs_daemon_open();
keir@20624 788 cloned = 0;
keir@20624 789 } else {
keir@20624 790 cloned = 1;
keir@20624 791 }
keir@20514 792 /* we mustn't use the parent's handle in the child */
keir@20514 793
keir@20514 794 kvs[0] = "image/device-model-pid";
keir@20610 795 kvs[1] = libxl_sprintf(&clone, "%d", innerchild);
keir@20514 796 kvs[2] = NULL;
keir@20610 797 rc = libxl_xs_writev(&clone, XBT_NULL, starting->dom_path, kvs);
keir@20610 798 if (rc) XL_LOG_ERRNO(&clone, XL_LOG_ERROR,
keir@20514 799 "Couldn't record device model pid %ld at %s/%s",
keir@20514 800 (unsigned long)innerchild, starting->dom_path, kvs);
keir@20624 801 if (cloned) {
keir@20624 802 libxl_discard_cloned_context_xs(&clone);
keir@20624 803 } else {
keir@20624 804 xs_daemon_close(clone.xsh);
keir@20624 805 }
keir@20514 806 }
keir@20514 807
keir@20542 808 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542 809 libxl_device_model_info *info,
keir@20542 810 libxl_device_vfb *vfb,
keir@20542 811 libxl_device_vkb *vkb)
keir@20542 812 {
keir@20542 813 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 814 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 815
keir@20542 816 vfb->backend_domid = 0;
keir@20542 817 vfb->devid = 0;
keir@20542 818 vfb->vnc = info->vnc;
keir@20542 819 vfb->vnclisten = info->vnclisten;
keir@20542 820 vfb->vncdisplay = info->vncdisplay;
keir@20542 821 vfb->vncunused = info->vncunused;
keir@20542 822 vfb->keymap = info->keymap;
keir@20542 823 vfb->sdl = info->sdl;
keir@20542 824 vfb->opengl = info->opengl;
keir@20542 825
keir@20542 826 vkb->backend_domid = 0;
keir@20542 827 vkb->devid = 0;
keir@20542 828 return 0;
keir@20542 829 }
keir@20542 830
keir@20542 831 static int libxl_write_dmargs(struct libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 832 {
keir@20542 833 int i;
keir@20542 834 char *vm_path;
keir@20542 835 char *dmargs, *path;
keir@20542 836 int dmargs_size;
keir@20542 837 struct xs_permissions roperm[2];
keir@20542 838 xs_transaction_t t;
keir@20542 839
keir@20542 840 roperm[0].id = 0;
keir@20542 841 roperm[0].perms = XS_PERM_NONE;
keir@20542 842 roperm[1].id = domid;
keir@20542 843 roperm[1].perms = XS_PERM_READ;
keir@20542 844
keir@20542 845 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542 846
keir@20542 847 i = 0;
keir@20542 848 dmargs_size = 0;
keir@20542 849 while (args[i] != NULL) {
keir@20542 850 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 851 i++;
keir@20542 852 }
keir@20542 853 dmargs_size++;
keir@20542 854 dmargs = (char *) malloc(dmargs_size);
keir@20542 855 i = 1;
keir@20542 856 dmargs[0] = '\0';
keir@20542 857 while (args[i] != NULL) {
keir@20542 858 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 859 strcat(dmargs, " ");
keir@20542 860 strcat(dmargs, args[i]);
keir@20542 861 }
keir@20542 862 i++;
keir@20542 863 }
keir@20542 864 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542 865
keir@20542 866 retry_transaction:
keir@20542 867 t = xs_transaction_start(ctx->xsh);
keir@20542 868 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 869 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542 870 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 871 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 872 if (errno == EAGAIN)
keir@20542 873 goto retry_transaction;
keir@20542 874 free(dmargs);
keir@20542 875 return 0;
keir@20542 876 }
keir@20542 877
keir@20542 878 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542 879 libxl_device_model_info *info,
keir@20542 880 libxl_device_disk *disks, int num_disks,
keir@20542 881 libxl_device_nic *vifs, int num_vifs,
keir@20542 882 libxl_device_vfb *vfb,
keir@20542 883 libxl_device_vkb *vkb,
keir@20542 884 libxl_device_model_starting **starting_r)
keir@20542 885 {
keir@20570 886 int i, num_console = 1;
keir@20570 887 libxl_device_console *console;
keir@20542 888 libxl_domain_create_info c_info;
keir@20542 889 libxl_domain_build_info b_info;
keir@20542 890 libxl_domain_build_state state;
keir@20542 891 uint32_t domid;
keir@20542 892 char **args;
keir@20542 893 xen_uuid_t uuid[16];
keir@20542 894 struct xs_permissions perm[2];
keir@20542 895 xs_transaction_t t;
keir@20594 896 libxl_device_model_starting *dm_starting = 0;
keir@20542 897
keir@20542 898 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542 899 if (!args)
keir@20542 900 return ERROR_FAIL;
keir@20542 901
keir@20542 902 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 903 c_info.hvm = 0;
keir@20542 904 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20542 905 xen_uuid_generate(uuid);
keir@20542 906 c_info.uuid = uuid;
keir@20542 907
keir@20542 908 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 909 b_info.max_vcpus = 1;
keir@20542 910 b_info.max_memkb = 32 * 1024;
keir@20647 911 b_info.target_memkb = b_info.max_memkb;
keir@20542 912 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542 913 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542 914 b_info.u.pv.ramdisk = "";
keir@20542 915 b_info.u.pv.features = "";
keir@20542 916 b_info.hvm = 0;
keir@20542 917
keir@20542 918 libxl_domain_make(ctx, &c_info, &domid);
keir@20542 919 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542 920
keir@20542 921 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542 922 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 923 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542 924 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542 925 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 926
keir@20542 927 perm[0].id = domid;
keir@20542 928 perm[0].perms = XS_PERM_NONE;
keir@20542 929 perm[1].id = info->domid;
keir@20542 930 perm[1].perms = XS_PERM_READ;
keir@20542 931 retry_transaction:
keir@20542 932 t = xs_transaction_start(ctx->xsh);
keir@20542 933 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542 934 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635 935 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635 936 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542 937 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 938 if (errno == EAGAIN)
keir@20542 939 goto retry_transaction;
keir@20542 940
keir@20542 941 for (i = 0; i < num_disks; i++) {
keir@20542 942 libxl_device_disk disk = disks[i];
keir@20542 943 disk_info_domid_fixup(&disk, domid);
keir@20542 944 libxl_device_disk_add(ctx, domid, &disk);
keir@20542 945 }
keir@20542 946 for (i = 0; i < num_vifs; i++) {
keir@20542 947 libxl_device_nic nic = vifs[i];
keir@20542 948 nic_info_domid_fixup(&nic, domid);
keir@20542 949 libxl_device_nic_add(ctx, domid, &nic);
keir@20542 950 }
keir@20542 951 vfb_info_domid_fixup(vfb, domid);
keir@20542 952 libxl_device_vfb_add(ctx, domid, vfb);
keir@20542 953 vkb_info_domid_fixup(vkb, domid);
keir@20542 954 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542 955
keir@20570 956 if (info->serial)
keir@20570 957 num_console++;
keir@20570 958 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20570 959 for (i = 0; i < num_console; i++) {
keir@20570 960 if (!i)
keir@20570 961 init_console_info(&console[i], i, &state);
keir@20570 962 else
keir@20570 963 init_console_info(&console[i], i, NULL);
keir@20570 964 console_info_domid_fixup(&console[i], domid);
keir@20570 965 console[i].constype = CONSTYPE_IOEMU;
keir@20570 966 libxl_device_console_add(ctx, domid, &console[i]);
keir@20570 967 }
keir@20594 968 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594 969 free(args);
keir@20594 970 return -1;
keir@20594 971 }
keir@20594 972 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594 973 free(args);
keir@20594 974 return -1;
keir@20594 975 }
keir@20542 976
keir@20542 977 libxl_domain_unpause(ctx, domid);
keir@20542 978
keir@20594 979 if (starting_r) {
keir@20594 980 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598 981 (*starting_r)->domid = info->domid;
keir@20594 982 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 983 (*starting_r)->for_spawn = NULL;
keir@20594 984 }
keir@20594 985
keir@20542 986 free(args);
keir@20542 987 return 0;
keir@20542 988 }
keir@20542 989
keir@20462 990 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462 991 libxl_device_model_info *info,
keir@20542 992 libxl_device_disk *disks, int num_disks,
keir@20514 993 libxl_device_nic *vifs, int num_vifs,
keir@20514 994 libxl_device_model_starting **starting_r)
keir@20462 995 {
keir@20546 996 char *path, *logfile;
keir@20514 997 int logfile_w, null;
keir@20546 998 int rc;
keir@20462 999 char **args;
keir@20594 1000 struct libxl_device_model_starting buf_starting, *p;
keir@20514 1001
keir@20542 1002 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 1003 libxl_device_vfb vfb;
keir@20542 1004 libxl_device_vkb vkb;
keir@20542 1005
keir@20542 1006 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542 1007 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542 1008 }
keir@20542 1009
keir@20462 1010 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462 1011 if (!args)
keir@20462 1012 return ERROR_FAIL;
keir@20462 1013
keir@20462 1014 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462 1015 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462 1016
keir@20546 1017 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 1018 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 1019 free(logfile);
keir@20462 1020 null = open("/dev/null", O_RDONLY);
keir@20514 1021
keir@20514 1022 if (starting_r) {
keir@20516 1023 rc = ERROR_NOMEM;
keir@20594 1024 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516 1025 if (!*starting_r) goto xit;
keir@20594 1026 p = *starting_r;
keir@20611 1027 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594 1028 } else {
keir@20594 1029 p = &buf_starting;
keir@20594 1030 p->for_spawn = NULL;
keir@20594 1031 }
keir@20514 1032
keir@20594 1033 p->domid = info->domid;
keir@20594 1034 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 1035 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594 1036
keir@20594 1037 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514 1038 if (rc < 0) goto xit;
keir@20514 1039 if (!rc) { /* inner child */
keir@20514 1040 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514 1041 info->device_model, args);
keir@20514 1042 }
keir@20514 1043
keir@20514 1044 rc = 0;
keir@20514 1045 xit:
keir@20516 1046 free(args);
keir@20462 1047 close(null);
keir@20462 1048 close(logfile_w);
keir@20462 1049
keir@20514 1050 return rc;
keir@20514 1051 }
keir@20514 1052
keir@20514 1053 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779 1054 libxl_device_model_starting *starting)
keir@20779 1055 {
keir@20514 1056 int rc;
keir@20594 1057 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594 1058 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514 1059 libxl_free(ctx, starting);
keir@20514 1060 return rc;
keir@20514 1061 }
keir@20462 1062
keir@20514 1063
keir@20514 1064 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779 1065 libxl_device_model_starting *starting)
keir@20779 1066 {
keir@20514 1067 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514 1068 libxl_spawn_check,
keir@20594 1069 starting->for_spawn);
keir@20514 1070 int detach = libxl_detach_device_model(ctx, starting);
keir@20514 1071 return problem ? problem : detach;
keir@20542 1072 return 0;
keir@20462 1073 }
keir@20462 1074
keir@20514 1075
keir@20462 1076 /******************************************************************************/
keir@20566 1077
keir@20566 1078 static int is_blktap2_supported(void)
keir@20566 1079 {
keir@20566 1080 char buf[1024];
keir@20566 1081 FILE *f = fopen("/proc/devices", "r");
keir@20566 1082
keir@20566 1083
keir@20566 1084 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566 1085 if (strstr(buf, "blktap2")) {
keir@20566 1086 fclose(f);
keir@20566 1087 return 1;
keir@20566 1088 }
keir@20566 1089 }
keir@20566 1090 fclose(f);
keir@20566 1091 return 0;
keir@20566 1092 }
keir@20566 1093
keir@20566 1094 static char *get_blktap2_device(struct libxl_ctx *ctx, char *name, char *type)
keir@20566 1095 {
keir@20566 1096 char buf[1024];
keir@20566 1097 char *p;
keir@20566 1098 int devnum;
keir@20566 1099 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566 1100
keir@20566 1101
keir@20566 1102 while (!feof(f)) {
keir@20566 1103 fscanf(f, "%d %s", &devnum, buf);
keir@20566 1104 p = strchr(buf, ':');
keir@20571 1105 if (p == NULL)
keir@20571 1106 continue;
keir@20566 1107 p++;
keir@20566 1108 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566 1109 fclose(f);
keir@20566 1110 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566 1111 }
keir@20566 1112 }
keir@20566 1113 fclose(f);
keir@20566 1114 return NULL;
keir@20566 1115 }
keir@20566 1116
keir@20462 1117 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1118 {
keir@20462 1119 flexarray_t *front;
keir@20462 1120 flexarray_t *back;
keir@20462 1121 char *backend_type;
keir@20462 1122 unsigned int boffset = 0;
keir@20462 1123 unsigned int foffset = 0;
keir@20462 1124 int devid;
keir@20462 1125 libxl_device device;
keir@20566 1126 int major, minor;
keir@20462 1127
keir@20462 1128 front = flexarray_make(16, 1);
keir@20462 1129 if (!front)
keir@20462 1130 return ERROR_NOMEM;
keir@20462 1131 back = flexarray_make(16, 1);
keir@20462 1132 if (!back) /* leaks front if error */
keir@20462 1133 return ERROR_NOMEM;
keir@20462 1134
keir@20462 1135 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462 1136 devid = device_disk_dev_number(disk->virtpath);
keir@20462 1137
keir@20462 1138 device.backend_devid = devid;
keir@20462 1139 device.backend_domid = disk->backend_domid;
keir@20462 1140 device.devid = devid;
keir@20462 1141 device.domid = disk->domid;
keir@20462 1142 device.kind = DEVICE_VBD;
keir@20462 1143
keir@20462 1144 switch (disk->phystype) {
keir@20462 1145 case PHYSTYPE_PHY: {
keir@20462 1146
keir@20509 1147 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1148 flexarray_set(back, boffset++, "physical-device");
keir@20462 1149 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462 1150
keir@20516 1151 flexarray_set(back, boffset++, "params");
keir@20516 1152 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1153
keir@20462 1154 device.backend_kind = DEVICE_VBD;
keir@20462 1155 break;
keir@20462 1156 }
keir@20566 1157 case PHYSTYPE_FILE:
keir@20566 1158 /* let's pretend is tap:aio for the moment */
keir@20566 1159 disk->phystype = PHYSTYPE_AIO;
keir@20462 1160 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566 1161 if (is_blktap2_supported()) {
keir@20566 1162 int rc, c, p[2], tot;
keir@20566 1163 char buf[1024], *dev;
keir@20779 1164 dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype));
keir@20779 1165 if (dev == NULL) {
keir@20566 1166 if (pipe(p) < 0) {
keir@20566 1167 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566 1168 return -1;
keir@20566 1169 }
keir@20566 1170 rc = fork();
keir@20566 1171 if (rc < 0) {
keir@20566 1172 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566 1173 return -1;
keir@20566 1174 } else if (!rc) { /* child */
keir@20566 1175 int null_r, null_w;
keir@20566 1176 char *args[4];
keir@20566 1177 args[0] = "tapdisk2";
keir@20566 1178 args[1] = "-n";
keir@20566 1179 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566 1180 args[3] = NULL;
keir@20566 1181
keir@20566 1182 null_r = open("/dev/null", O_RDONLY);
keir@20566 1183 null_w = open("/dev/null", O_WRONLY);
keir@20566 1184 libxl_exec(ctx, null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566 1185 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566 1186 }
keir@20566 1187 close(p[1]);
keir@20566 1188 tot = 0;
keir@20566 1189 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566 1190 tot = tot + c;
keir@20566 1191 close(p[0]);
keir@20566 1192 buf[tot - 1] = '\0';
keir@20566 1193 dev = buf;
keir@20566 1194 }
keir@20566 1195 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566 1196 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1197 flexarray_set(back, boffset++, "params");
keir@20566 1198 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566 1199 backend_type = "phy";
keir@20566 1200 device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1201 flexarray_set(back, boffset++, "physical-device");
keir@20566 1202 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566 1203 device.backend_kind = DEVICE_VBD;
keir@20566 1204
keir@20566 1205 break;
keir@20566 1206 }
keir@20516 1207 flexarray_set(back, boffset++, "params");
keir@20462 1208 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462 1209 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1210
keir@20462 1211 device.backend_kind = DEVICE_TAP;
keir@20462 1212 break;
keir@20462 1213 }
keir@20462 1214
keir@20516 1215 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1216 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516 1217 flexarray_set(back, boffset++, "online");
keir@20516 1218 flexarray_set(back, boffset++, "1");
keir@20516 1219 flexarray_set(back, boffset++, "removable");
keir@20462 1220 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1221 flexarray_set(back, boffset++, "bootable");
keir@20509 1222 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 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++, "dev");
keir@20516 1226 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1227 flexarray_set(back, boffset++, "type");
keir@20516 1228 flexarray_set(back, boffset++, backend_type);
keir@20516 1229 flexarray_set(back, boffset++, "mode");
keir@20516 1230 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1231
keir@20516 1232 flexarray_set(front, foffset++, "backend-id");
keir@20462 1233 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516 1234 flexarray_set(front, foffset++, "state");
keir@20462 1235 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1236 flexarray_set(front, foffset++, "virtual-device");
keir@20462 1237 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516 1238 flexarray_set(front, foffset++, "device-type");
keir@20516 1239 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1240
keir@20462 1241 if (0 /* protocol != native*/) {
keir@20516 1242 flexarray_set(front, foffset++, "protocol");
keir@20516 1243 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1244 }
keir@20462 1245
keir@20462 1246 libxl_device_generic_add(ctx, &device,
keir@20462 1247 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1248 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1249 flexarray_free(back);
keir@20516 1250 flexarray_free(front);
keir@20462 1251 return 0;
keir@20462 1252 }
keir@20462 1253
keir@20626 1254 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626 1255 libxl_device_disk *disk, int wait)
keir@20462 1256 {
keir@20626 1257 libxl_device device;
keir@20626 1258 int devid;
keir@20462 1259
keir@20626 1260 devid = device_disk_dev_number(disk->virtpath);
keir@20626 1261 device.backend_domid = disk->backend_domid;
keir@20626 1262 device.backend_devid = devid;
keir@20626 1263 device.backend_kind =
keir@20626 1264 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1265 device.domid = disk->domid;
keir@20626 1266 device.devid = devid;
keir@20626 1267 device.kind = DEVICE_VBD;
keir@20626 1268 return libxl_device_del(ctx, &device, wait);
keir@20462 1269 }
keir@20462 1270
keir@20462 1271 /******************************************************************************/
keir@20462 1272 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1273 {
keir@20462 1274 flexarray_t *front;
keir@20462 1275 flexarray_t *back;
keir@20462 1276 unsigned int boffset = 0;
keir@20462 1277 unsigned int foffset = 0;
keir@20462 1278 libxl_device device;
keir@20462 1279
keir@20462 1280 front = flexarray_make(16, 1);
keir@20462 1281 if (!front)
keir@20462 1282 return ERROR_NOMEM;
keir@20462 1283 back = flexarray_make(16, 1);
keir@20462 1284 if (!back)
keir@20462 1285 return ERROR_NOMEM;
keir@20462 1286
keir@20462 1287 device.backend_devid = nic->devid;
keir@20462 1288 device.backend_domid = nic->backend_domid;
keir@20462 1289 device.backend_kind = DEVICE_VIF;
keir@20462 1290 device.devid = nic->devid;
keir@20462 1291 device.domid = nic->domid;
keir@20462 1292 device.kind = DEVICE_VIF;
keir@20462 1293
keir@20516 1294 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1295 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516 1296 flexarray_set(back, boffset++, "online");
keir@20516 1297 flexarray_set(back, boffset++, "1");
keir@20516 1298 flexarray_set(back, boffset++, "state");
keir@20462 1299 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1300 flexarray_set(back, boffset++, "script");
keir@20516 1301 flexarray_set(back, boffset++, nic->script);
keir@20516 1302 flexarray_set(back, boffset++, "mac");
keir@20462 1303 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1304 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1305 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516 1306 flexarray_set(back, boffset++, "handle");
keir@20462 1307 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462 1308
keir@20516 1309 flexarray_set(front, foffset++, "backend-id");
keir@20462 1310 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516 1311 flexarray_set(front, foffset++, "state");
keir@20462 1312 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1313 flexarray_set(front, foffset++, "handle");
keir@20462 1314 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516 1315 flexarray_set(front, foffset++, "mac");
keir@20462 1316 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1317 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1318 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 1319 if (0 /* protocol != native*/) {
keir@20516 1320 flexarray_set(front, foffset++, "protocol");
keir@20516 1321 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1322 }
keir@20462 1323
keir@20462 1324 libxl_device_generic_add(ctx, &device,
keir@20462 1325 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1326 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462 1327
keir@20462 1328 /* FIXME: wait for plug */
keir@20516 1329 flexarray_free(back);
keir@20516 1330 flexarray_free(front);
keir@20462 1331 return 0;
keir@20462 1332 }
keir@20462 1333
keir@20626 1334 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626 1335 libxl_device_nic *nic, int wait)
keir@20462 1336 {
keir@20626 1337 libxl_device device;
keir@20462 1338
keir@20626 1339 device.backend_devid = nic->devid;
keir@20626 1340 device.backend_domid = nic->backend_domid;
keir@20626 1341 device.backend_kind = DEVICE_VIF;
keir@20626 1342 device.devid = nic->devid;
keir@20626 1343 device.domid = nic->domid;
keir@20626 1344 device.kind = DEVICE_VIF;
keir@20626 1345
keir@20626 1346 return libxl_device_del(ctx, &device, wait);
keir@20462 1347 }
keir@20462 1348
keir@20462 1349 /******************************************************************************/
keir@20509 1350 int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 1351 {
keir@20509 1352 flexarray_t *front;
keir@20509 1353 flexarray_t *back;
keir@20509 1354 unsigned int boffset = 0;
keir@20509 1355 unsigned int foffset = 0;
keir@20509 1356 libxl_device device;
keir@20509 1357
keir@20509 1358 if (console->build_state) {
keir@20509 1359 xs_transaction_t t;
keir@20509 1360 char **ents = (char **) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516 1361 ents[0] = "console/port";
keir@20509 1362 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516 1363 ents[2] = "console/ring-ref";
keir@20509 1364 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516 1365 ents[4] = "console/limit";
keir@20509 1366 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516 1367 ents[6] = "console/type";
keir@20509 1368 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509 1369 ents[7] = "xenconsoled";
keir@20509 1370 else
keir@20509 1371 ents[7] = "ioemu";
keir@20509 1372 retry_transaction:
keir@20509 1373 t = xs_transaction_start(ctx->xsh);
keir@20516 1374 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509 1375 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509 1376 if (errno == EAGAIN)
keir@20509 1377 goto retry_transaction;
keir@20509 1378 }
keir@20509 1379
keir@20509 1380 front = flexarray_make(16, 1);
keir@20509 1381 if (!front)
keir@20509 1382 return ERROR_NOMEM;
keir@20509 1383 back = flexarray_make(16, 1);
keir@20509 1384 if (!back)
keir@20509 1385 return ERROR_NOMEM;
keir@20509 1386
keir@20509 1387 device.backend_devid = console->devid;
keir@20509 1388 device.backend_domid = console->backend_domid;
keir@20509 1389 device.backend_kind = DEVICE_CONSOLE;
keir@20509 1390 device.devid = console->devid;
keir@20509 1391 device.domid = console->domid;
keir@20509 1392 device.kind = DEVICE_CONSOLE;
keir@20509 1393
keir@20516 1394 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1395 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516 1396 flexarray_set(back, boffset++, "online");
keir@20516 1397 flexarray_set(back, boffset++, "1");
keir@20516 1398 flexarray_set(back, boffset++, "state");
keir@20509 1399 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1400 flexarray_set(back, boffset++, "domain");
keir@20516 1401 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1402 flexarray_set(back, boffset++, "protocol");
keir@20516 1403 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 1404
keir@20516 1405 flexarray_set(front, foffset++, "backend-id");
keir@20509 1406 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516 1407 flexarray_set(front, foffset++, "state");
keir@20509 1408 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1409 flexarray_set(front, foffset++, "limit");
keir@20509 1410 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516 1411 flexarray_set(front, foffset++, "protocol");
keir@20516 1412 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516 1413 flexarray_set(front, foffset++, "type");
keir@20509 1414 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516 1415 flexarray_set(front, foffset++, "xenconsoled");
keir@20509 1416 else
keir@20516 1417 flexarray_set(front, foffset++, "ioemu");
keir@20509 1418
keir@20509 1419 libxl_device_generic_add(ctx, &device,
keir@20509 1420 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1421 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1422 flexarray_free(back);
keir@20516 1423 flexarray_free(front);
keir@20509 1424
keir@20509 1425 return 0;
keir@20509 1426 }
keir@20509 1427
keir@20509 1428 /******************************************************************************/
keir@20509 1429 int libxl_device_vkb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 1430 {
keir@20509 1431 flexarray_t *front;
keir@20509 1432 flexarray_t *back;
keir@20509 1433 unsigned int boffset = 0;
keir@20509 1434 unsigned int foffset = 0;
keir@20509 1435 libxl_device device;
keir@20509 1436
keir@20509 1437 front = flexarray_make(16, 1);
keir@20509 1438 if (!front)
keir@20509 1439 return ERROR_NOMEM;
keir@20509 1440 back = flexarray_make(16, 1);
keir@20509 1441 if (!back)
keir@20509 1442 return ERROR_NOMEM;
keir@20509 1443
keir@20509 1444 device.backend_devid = vkb->devid;
keir@20509 1445 device.backend_domid = vkb->backend_domid;
keir@20509 1446 device.backend_kind = DEVICE_VKBD;
keir@20509 1447 device.devid = vkb->devid;
keir@20509 1448 device.domid = vkb->domid;
keir@20509 1449 device.kind = DEVICE_VKBD;
keir@20509 1450
keir@20516 1451 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1452 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516 1453 flexarray_set(back, boffset++, "online");
keir@20516 1454 flexarray_set(back, boffset++, "1");
keir@20516 1455 flexarray_set(back, boffset++, "state");
keir@20509 1456 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1457 flexarray_set(back, boffset++, "domain");
keir@20516 1458 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509 1459
keir@20516 1460 flexarray_set(front, foffset++, "backend-id");
keir@20509 1461 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516 1462 flexarray_set(front, foffset++, "state");
keir@20509 1463 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1464
keir@20509 1465 libxl_device_generic_add(ctx, &device,
keir@20509 1466 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1467 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1468 flexarray_free(back);
keir@20516 1469 flexarray_free(front);
keir@20509 1470
keir@20509 1471 return 0;
keir@20462 1472 }
keir@20462 1473
keir@20462 1474 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1475 {
keir@20462 1476 return ERROR_NI;
keir@20462 1477 }
keir@20462 1478
keir@20462 1479 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1480 {
keir@20462 1481 return ERROR_NI;
keir@20462 1482 }
keir@20462 1483
keir@20637 1484 libxl_device_disk *libxl_device_disk_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20637 1485 {
keir@20637 1486 char *be_path_tap, *be_path_vbd;
keir@20637 1487 libxl_device_disk *disks = NULL;
keir@20637 1488 char **l = NULL;
keir@20637 1489 unsigned int numl;
keir@20637 1490 int num_disks = 0, i;
keir@20637 1491 char *type;
keir@20637 1492
keir@20637 1493 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1494 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1495
keir@20637 1496 l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637 1497 if (l) {
keir@20637 1498 num_disks += numl;
keir@20637 1499 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1500 for (i = 0; i < numl; i++) {
keir@20637 1501 disks[i].backend_domid = 0;
keir@20637 1502 disks[i].domid = domid;
keir@20637 1503 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, l[i]));
keir@20637 1504 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 1505 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, l[i]));
keir@20637 1506 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, l[i])));
keir@20637 1507 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, l[i])), "w"))
keir@20637 1508 disks[i].readwrite = 1;
keir@20637 1509 else
keir@20637 1510 disks[i].readwrite = 0;
keir@20637 1511 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 1512 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1513 }
keir@20637 1514 free(l);
keir@20637 1515 }
keir@20637 1516 l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637 1517 if (l) {
keir@20637 1518 num_disks += numl;
keir@20637 1519 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1520 for (i = 0; i < numl; i++) {
keir@20637 1521 disks[i].backend_domid = 0;
keir@20637 1522 disks[i].domid = domid;
keir@20637 1523 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, l[i]));
keir@20637 1524 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 1525 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, l[i]));
keir@20637 1526 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, l[i])));
keir@20637 1527 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, l[i])), "w"))
keir@20637 1528 disks[i].readwrite = 1;
keir@20637 1529 else
keir@20637 1530 disks[i].readwrite = 0;
keir@20637 1531 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 1532 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1533 }
keir@20637 1534 free(l);
keir@20637 1535 }
keir@20637 1536 *num = num_disks;
keir@20637 1537 return disks;
keir@20637 1538 }
keir@20637 1539
keir@20637 1540 int libxl_cdrom_insert(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20637 1541 {
keir@20637 1542 int num, i;
keir@20637 1543 uint32_t stubdomid;
keir@20637 1544 libxl_device_disk *disks;
keir@20637 1545
keir@20637 1546 if (!disk->physpath) {
keir@20637 1547 disk->physpath = "";
keir@20637 1548 disk->phystype = PHYSTYPE_PHY;
keir@20637 1549 }
keir@20637 1550 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637 1551 for (i = 0; i < num; i++) {
keir@20637 1552 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637 1553 /* found */
keir@20637 1554 break;
keir@20637 1555 }
keir@20637 1556 if (i == num) {
keir@20637 1557 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637 1558 return -1;
keir@20637 1559 }
keir@20637 1560 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 1561 libxl_device_disk_add(ctx, domid, disk);
keir@20637 1562 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637 1563 if (stubdomid) {
keir@20637 1564 disk_info_domid_fixup(disks + i, stubdomid);
keir@20637 1565 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 1566 disk_info_domid_fixup(disk, stubdomid);
keir@20637 1567 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20637 1568 disk_info_domid_fixup(disk, domid);
keir@20637 1569 }
keir@20637 1570 return 0;
keir@20637 1571 }
keir@20637 1572
keir@20462 1573 /******************************************************************************/
keir@20509 1574 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509 1575 libxl_device_vfb *vfb,
keir@20509 1576 int num_console,
keir@20509 1577 libxl_device_console *console,
keir@20509 1578 libxl_device_model_info *info) {
keir@20509 1579 int i = 0, j = 0, num = 0;
keir@20509 1580 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 1581
keir@20509 1582 info->vnc = vfb->vnc;
keir@20509 1583 if (vfb->vnclisten)
keir@20509 1584 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509 1585 info->vncdisplay = vfb->vncdisplay;
keir@20509 1586 info->vncunused = vfb->vncunused;
keir@20509 1587 if (vfb->keymap)
keir@20509 1588 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509 1589 info->sdl = vfb->sdl;
keir@20509 1590 info->opengl = vfb->opengl;
keir@20509 1591 for (i = 0; i < num_console; i++) {
keir@20509 1592 if (console->constype == CONSTYPE_IOEMU)
keir@20509 1593 num++;
keir@20509 1594 }
keir@20509 1595 if (num > 0) {
keir@20599 1596 uint32_t guest_domid = libxl_is_stubdom(ctx, vfb->domid);
keir@20599 1597 if (guest_domid) {
keir@20599 1598 char *filename;
keir@20599 1599 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599 1600 libxl_create_logfile(ctx, name, &filename);
keir@20599 1601 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599 1602 free(filename);
keir@20599 1603 } else {
keir@20599 1604 info->serial = "pty";
keir@20599 1605 }
keir@20509 1606 num--;
keir@20509 1607 }
keir@20509 1608 if (num > 0) {
keir@20509 1609 info->extra = (char **) libxl_calloc(ctx, num * 2 + 1, sizeof(char *));
keir@20509 1610 for (j = 0; j < num * 2; j = j + 2) {
keir@20509 1611 info->extra[j] = "-serial";
keir@20509 1612 info->extra[j + 1] = "pty";
keir@20509 1613 }
keir@20509 1614 info->extra[j] = NULL;
keir@20509 1615 }
keir@20509 1616 info->domid = vfb->domid;
keir@20509 1617 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509 1618 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509 1619 info->type = XENPV;
keir@20509 1620 return 0;
keir@20509 1621 }
keir@20509 1622
keir@20509 1623 int libxl_create_xenpv_qemu(struct libxl_ctx *ctx, libxl_device_vfb *vfb,
keir@20514 1624 int num_console, libxl_device_console *console,
keir@20514 1625 struct libxl_device_model_starting **starting_r)
keir@20509 1626 {
keir@20509 1627 libxl_device_model_info info;
keir@20509 1628
keir@20509 1629 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542 1630 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509 1631 return 0;
keir@20509 1632 }
keir@20509 1633
keir@20509 1634 int libxl_device_vfb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 1635 {
keir@20509 1636 flexarray_t *front;
keir@20509 1637 flexarray_t *back;
keir@20509 1638 unsigned int boffset = 0;
keir@20509 1639 unsigned int foffset = 0;
keir@20509 1640 libxl_device device;
keir@20509 1641
keir@20509 1642 front = flexarray_make(16, 1);
keir@20509 1643 if (!front)
keir@20509 1644 return ERROR_NOMEM;
keir@20509 1645 back = flexarray_make(16, 1);
keir@20509 1646 if (!back)
keir@20509 1647 return ERROR_NOMEM;
keir@20509 1648
keir@20509 1649 device.backend_devid = vfb->devid;
keir@20509 1650 device.backend_domid = vfb->backend_domid;
keir@20509 1651 device.backend_kind = DEVICE_VFB;
keir@20509 1652 device.devid = vfb->devid;
keir@20509 1653 device.domid = vfb->domid;
keir@20509 1654 device.kind = DEVICE_VFB;
keir@20509 1655
keir@20516 1656 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1657 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516 1658 flexarray_set(back, boffset++, "online");
keir@20516 1659 flexarray_set(back, boffset++, "1");
keir@20516 1660 flexarray_set(back, boffset++, "state");
keir@20509 1661 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1662 flexarray_set(back, boffset++, "domain");
keir@20516 1663 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1664 flexarray_set(back, boffset++, "vnc");
keir@20509 1665 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516 1666 flexarray_set(back, boffset++, "vnclisten");
keir@20516 1667 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516 1668 flexarray_set(back, boffset++, "vncdisplay");
keir@20509 1669 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516 1670 flexarray_set(back, boffset++, "vncunused");
keir@20509 1671 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516 1672 flexarray_set(back, boffset++, "sdl");
keir@20509 1673 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516 1674 flexarray_set(back, boffset++, "opengl");
keir@20509 1675 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509 1676 if (vfb->xauthority) {
keir@20516 1677 flexarray_set(back, boffset++, "xauthority");
keir@20516 1678 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 1679 }
keir@20509 1680 if (vfb->display) {
keir@20516 1681 flexarray_set(back, boffset++, "display");
keir@20516 1682 flexarray_set(back, boffset++, vfb->display);
keir@20509 1683 }
keir@20509 1684
keir@20516 1685 flexarray_set(front, foffset++, "backend-id");
keir@20509 1686 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516 1687 flexarray_set(front, foffset++, "state");
keir@20509 1688 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1689
keir@20509 1690 libxl_device_generic_add(ctx, &device,
keir@20509 1691 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1692 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509 1693 flexarray_free(front);
keir@20509 1694 flexarray_free(back);
keir@20509 1695
keir@20509 1696 return 0;
keir@20462 1697 }
keir@20462 1698
keir@20462 1699 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1700 {
keir@20462 1701 return ERROR_NI;
keir@20462 1702 }
keir@20462 1703
keir@20462 1704 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1705 {
keir@20462 1706 return ERROR_NI;
keir@20462 1707 }
keir@20462 1708
keir@20462 1709 /******************************************************************************/
keir@20482 1710
keir@20482 1711 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482 1712 unsigned int bus, unsigned int dev,
keir@20482 1713 unsigned int func, unsigned int vdevfn)
keir@20482 1714 {
keir@20482 1715 pcidev->domain = domain;
keir@20482 1716 pcidev->bus = bus;
keir@20482 1717 pcidev->dev = dev;
keir@20482 1718 pcidev->func = func;
keir@20482 1719 pcidev->vdevfn = vdevfn;
keir@20482 1720 return 0;
keir@20482 1721 }
keir@20482 1722
keir@20482 1723 static int libxl_create_pci_backend(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev, int num)
keir@20482 1724 {
keir@20482 1725 flexarray_t *front;
keir@20482 1726 flexarray_t *back;
keir@20482 1727 unsigned int boffset = 0;
keir@20482 1728 unsigned int foffset = 0;
keir@20482 1729 libxl_device device;
keir@20482 1730 int i;
keir@20482 1731
keir@20482 1732 front = flexarray_make(16, 1);
keir@20482 1733 if (!front)
keir@20482 1734 return ERROR_NOMEM;
keir@20482 1735 back = flexarray_make(16, 1);
keir@20482 1736 if (!back)
keir@20482 1737 return ERROR_NOMEM;
keir@20482 1738
keir@20512 1739 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482 1740
keir@20482 1741 /* add pci device */
keir@20482 1742 device.backend_devid = 0;
keir@20482 1743 device.backend_domid = 0;
keir@20482 1744 device.backend_kind = DEVICE_PCI;
keir@20482 1745 device.devid = 0;
keir@20482 1746 device.domid = domid;
keir@20482 1747 device.kind = DEVICE_PCI;
keir@20482 1748
keir@20516 1749 flexarray_set(back, boffset++, "frontend-id");
keir@20482 1750 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516 1751 flexarray_set(back, boffset++, "online");
keir@20516 1752 flexarray_set(back, boffset++, "1");
keir@20516 1753 flexarray_set(back, boffset++, "state");
keir@20482 1754 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1755 flexarray_set(back, boffset++, "domain");
keir@20516 1756 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482 1757 for (i = 0; i < num; i++) {
keir@20482 1758 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482 1759 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1760 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482 1761 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1762 if (pcidev->vdevfn) {
keir@20482 1763 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482 1764 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1765 }
keir@20482 1766 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482 1767 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1768 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482 1769 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1770 }
keir@20516 1771 flexarray_set(back, boffset++, "num_devs");
keir@20482 1772 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482 1773
keir@20516 1774 flexarray_set(front, foffset++, "backend-id");
keir@20482 1775 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516 1776 flexarray_set(front, foffset++, "state");
keir@20482 1777 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1778
keir@20482 1779 libxl_device_generic_add(ctx, &device,
keir@20482 1780 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482 1781 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482 1782
keir@20482 1783 flexarray_free(back);
keir@20482 1784 flexarray_free(front);
keir@20482 1785 return 0;
keir@20482 1786 }
keir@20482 1787
keir@20482 1788 static int libxl_device_pci_add_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1789 {
keir@20482 1790 flexarray_t *back;
keir@20482 1791 char *num_devs, *be_path;
keir@20482 1792 int num = 0;
keir@20482 1793 unsigned int boffset = 0;
keir@20482 1794 xs_transaction_t t;
keir@20482 1795
keir@20516 1796 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1797 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 1798 if (!num_devs)
keir@20482 1799 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482 1800
keir@20482 1801 if (!is_hvm(ctx, domid)) {
keir@20482 1802 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482 1803 return -1;
keir@20482 1804 }
keir@20482 1805
keir@20482 1806 back = flexarray_make(16, 1);
keir@20482 1807 if (!back)
keir@20482 1808 return ERROR_NOMEM;
keir@20482 1809
keir@20512 1810 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482 1811 num = atoi(num_devs);
keir@20482 1812 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482 1813 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1814 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482 1815 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1816 if (pcidev->vdevfn) {
keir@20482 1817 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482 1818 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1819 }
keir@20482 1820 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482 1821 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1822 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482 1823 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1824 flexarray_set(back, boffset++, "num_devs");
keir@20482 1825 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516 1826 flexarray_set(back, boffset++, "state");
keir@20482 1827 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482 1828
keir@20482 1829 retry_transaction:
keir@20482 1830 t = xs_transaction_start(ctx->xsh);
keir@20482 1831 libxl_xs_writev(ctx, t, be_path,
keir@20482 1832 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482 1833 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1834 if (errno == EAGAIN)
keir@20482 1835 goto retry_transaction;
keir@20482 1836
keir@20482 1837 flexarray_free(back);
keir@20482 1838 return 0;
keir@20482 1839 }
keir@20482 1840
keir@20482 1841 static int libxl_device_pci_remove_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20482 1842 {
keir@20542 1843 char *be_path, *num_devs_path, *num_devs, *xsdev, *tmp, *tmppath;
keir@20542 1844 int num, i, j;
keir@20482 1845 xs_transaction_t t;
keir@20482 1846 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482 1847
keir@20516 1848 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1849 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482 1850 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482 1851 if (!num_devs)
keir@20482 1852 return -1;
keir@20482 1853 num = atoi(num_devs);
keir@20482 1854
keir@20482 1855 if (!is_hvm(ctx, domid)) {
keir@20482 1856 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1857 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482 1858 return -1;
keir@20482 1859 }
keir@20482 1860 }
keir@20482 1861
keir@20482 1862 for (i = 0; i < num; i++) {
keir@20482 1863 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 1864 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 1865 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482 1866 pcidev->dev == dev && pcidev->func == func) {
keir@20482 1867 break;
keir@20482 1868 }
keir@20482 1869 }
keir@20482 1870 if (i == num) {
keir@20512 1871 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482 1872 return -1;
keir@20482 1873 }
keir@20482 1874
keir@20482 1875 retry_transaction:
keir@20482 1876 t = xs_transaction_start(ctx->xsh);
keir@20542 1877 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482 1878 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482 1879 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1880 if (errno == EAGAIN)
keir@20482 1881 goto retry_transaction;
keir@20542 1882
keir@20542 1883 if (!is_hvm(ctx, domid)) {
keir@20542 1884 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1885 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542 1886 return -1;
keir@20542 1887 }
keir@20542 1888 }
keir@20542 1889
keir@20542 1890 retry_transaction2:
keir@20542 1891 t = xs_transaction_start(ctx->xsh);
keir@20542 1892 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542 1893 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542 1894 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542 1895 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542 1896 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542 1897 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542 1898 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542 1899 for (j = i + 1; j < num; j++) {
keir@20542 1900 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542 1901 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1902 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1903 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1904 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542 1905 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1906 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1907 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1908 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542 1909 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1910 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1911 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1912 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542 1913 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1914 if (tmp) {
keir@20542 1915 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1916 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1917 }
keir@20542 1918 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542 1919 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1920 if (tmp) {
keir@20542 1921 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1922 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1923 }
keir@20542 1924 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542 1925 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1926 if (tmp) {
keir@20542 1927 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1928 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1929 }
keir@20542 1930 }
keir@20542 1931 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1932 if (errno == EAGAIN)
keir@20542 1933 goto retry_transaction2;
keir@20542 1934
keir@20542 1935 if (num == 1) {
keir@20542 1936 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542 1937 libxl_device_destroy(ctx, be_path, 1);
keir@20542 1938 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542 1939 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542 1940 return 0;
keir@20542 1941 }
keir@20542 1942
keir@20482 1943 return 0;
keir@20462 1944 }
keir@20462 1945
keir@20482 1946 int libxl_device_pci_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1947 {
keir@20779 1948 char *path;
keir@20482 1949 char *state, *vdevfn;
keir@20482 1950 int rc, hvm;
keir@20542 1951 int stubdomid = 0;
keir@20482 1952
keir@20482 1953 /* TODO: check if the device can be assigned */
keir@20482 1954
keir@20482 1955 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1956
keir@20779 1957 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 1958 if (stubdomid != 0) {
keir@20542 1959 libxl_device_pci pcidev_s = *pcidev;
keir@20542 1960 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542 1961 }
keir@20542 1962
keir@20482 1963 hvm = is_hvm(ctx, domid);
keir@20482 1964 if (hvm) {
keir@20514 1965 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 1966 return -1;
keir@20482 1967 }
keir@20779 1968 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1969 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 1970 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1971 if (pcidev->vdevfn)
keir@20482 1972 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482 1973 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482 1974 else
keir@20482 1975 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1976 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 1977 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 1978 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514 1979 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512 1980 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779 1981 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1982 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1983 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779 1984 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1985 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1986 } else {
keir@20542 1987 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 1988 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1989 FILE *f = fopen(sysfs_path, "r");
keir@20482 1990 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 1991 int irq = 0;
keir@20482 1992 int i;
keir@20482 1993
keir@20482 1994 if (f == NULL) {
keir@20512 1995 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1996 return -1;
keir@20482 1997 }
keir@20482 1998 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512 1999 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482 2000 size = end - start + 1;
keir@20482 2001 if (start) {
keir@20482 2002 if (flags & PCI_BAR_IO) {
keir@20482 2003 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482 2004 if (rc < 0)
keir@20512 2005 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 2006 } else {
keir@20482 2007 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2008 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482 2009 if (rc < 0)
keir@20512 2010 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 2011 }
keir@20482 2012 }
keir@20482 2013 }
keir@20482 2014 fclose(f);
keir@20542 2015 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2016 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2017 f = fopen(sysfs_path, "r");
keir@20482 2018 if (f == NULL) {
keir@20512 2019 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2020 goto out;
keir@20482 2021 }
keir@20482 2022 fscanf(f, "%u", &irq);
keir@20482 2023 if (irq) {
keir@20482 2024 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482 2025 if (rc < 0) {
keir@20512 2026 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482 2027 }
keir@20482 2028 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482 2029 if (rc < 0) {
keir@20512 2030 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482 2031 }
keir@20482 2032 }
keir@20482 2033 fclose(f);
keir@20482 2034 }
keir@20482 2035 out:
keir@20542 2036 if (!libxl_is_stubdom(ctx, domid)) {
keir@20779 2037 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779 2038 if (rc < 0)
keir@20542 2039 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542 2040 }
keir@20482 2041
keir@20482 2042 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482 2043 return 0;
keir@20462 2044 }
keir@20462 2045
keir@20482 2046 int libxl_device_pci_remove(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 2047 {
keir@20779 2048 char *path;
keir@20482 2049 char *state;
keir@20482 2050 int hvm, rc;
keir@20542 2051 int stubdomid = 0;
keir@20482 2052
keir@20482 2053 /* TODO: check if the device can be detached */
keir@20542 2054 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482 2055
keir@20482 2056 hvm = is_hvm(ctx, domid);
keir@20482 2057 if (hvm) {
keir@20514 2058 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482 2059 return -1;
keir@20482 2060 }
keir@20779 2061 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2062 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 2063 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 2064 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 2065 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 2066 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 2067 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514 2068 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512 2069 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 2070 return -1;
keir@20482 2071 }
keir@20779 2072 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2073 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 2074 } else {
keir@20542 2075 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 2076 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2077 FILE *f = fopen(sysfs_path, "r");
keir@20482 2078 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 2079 int irq = 0;
keir@20482 2080 int i;
keir@20482 2081
keir@20482 2082 if (f == NULL) {
keir@20512 2083 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2084 goto skip1;
keir@20482 2085 }
keir@20482 2086 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482 2087 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482 2088 size = end - start + 1;
keir@20482 2089 if (start) {
keir@20482 2090 if (flags & PCI_BAR_IO) {
keir@20482 2091 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482 2092 if (rc < 0)
keir@20512 2093 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 2094 } else {
keir@20482 2095 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2096 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482 2097 if (rc < 0)
keir@20512 2098 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 2099 }
keir@20482 2100 }
keir@20482 2101 }
keir@20482 2102 fclose(f);
keir@20482 2103 skip1:
keir@20542 2104 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2105 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2106 f = fopen(sysfs_path, "r");
keir@20482 2107 if (f == NULL) {
keir@20512 2108 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2109 goto out;
keir@20482 2110 }
keir@20482 2111 fscanf(f, "%u", &irq);
keir@20482 2112 if (irq) {
keir@20482 2113 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482 2114 if (rc < 0) {
keir@20512 2115 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482 2116 }
keir@20482 2117 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482 2118 if (rc < 0) {
keir@20512 2119 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482 2120 }
keir@20482 2121 }
keir@20482 2122 fclose(f);
keir@20482 2123 }
keir@20482 2124 out:
keir@20482 2125 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2126
keir@20542 2127 if (!libxl_is_stubdom(ctx, domid)) {
keir@20779 2128 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779 2129 if (rc < 0)
keir@20542 2130 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542 2131 }
keir@20542 2132
keir@20779 2133 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 2134 if (stubdomid != 0) {
keir@20542 2135 libxl_device_pci pcidev_s = *pcidev;
keir@20542 2136 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542 2137 }
keir@20542 2138
keir@20482 2139 return 0;
keir@20462 2140 }
keir@20482 2141
keir@20482 2142 libxl_device_pci *libxl_device_pci_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20482 2143 {
keir@20482 2144 char *be_path, *num_devs, *xsdev, *xsvdevfn, *xsopts;
keir@20482 2145 int n, i;
keir@20482 2146 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482 2147 libxl_device_pci *pcidevs;
keir@20482 2148
keir@20516 2149 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2150 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 2151 if (!num_devs) {
keir@20482 2152 *num = 0;
keir@20482 2153 return NULL;
keir@20482 2154 }
keir@20482 2155 n = atoi(num_devs);
keir@20779 2156 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482 2157 *num = n;
keir@20482 2158
keir@20482 2159 for (i = 0; i < n; i++) {
keir@20482 2160 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 2161 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 2162 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482 2163 if (xsvdevfn)
keir@20482 2164 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482 2165 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482 2166 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482 2167 if (xsopts) {
keir@20482 2168 char *saveptr;
keir@20482 2169 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482 2170 do {
keir@20482 2171 while (*p == ' ')
keir@20482 2172 p++;
keir@20482 2173 if (!strcmp(p, "msitranslate")) {
keir@20482 2174 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2175 pcidevs[i].msitranslate = atoi(p);
keir@20482 2176 } else if (!strcmp(p, "power_mgmt")) {
keir@20482 2177 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2178 pcidevs[i].power_mgmt = atoi(p);
keir@20482 2179 }
keir@20482 2180 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482 2181 }
keir@20482 2182 }
keir@20482 2183 return pcidevs;
keir@20482 2184 }
keir@20482 2185
keir@20482 2186 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482 2187 {
keir@20482 2188 libxl_device_pci *pcidevs;
keir@20482 2189 int num, i;
keir@20482 2190
keir@20482 2191 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482 2192 for (i = 0; i < num; i++) {
keir@20482 2193 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482 2194 return -1;
keir@20482 2195 }
keir@20516 2196 free(pcidevs);
keir@20482 2197 return 0;
keir@20482 2198 }
keir@20482 2199
keir@20542 2200 void nic_info_domid_fixup(libxl_device_nic *nic_info, int domid)
keir@20542 2201 {
keir@20542 2202 nic_info->domid = domid;
keir@20542 2203 asprintf(&(nic_info->ifname), "tap%d.%d", domid, nic_info->devid - 1);
keir@20542 2204 }
keir@20542 2205
keir@20542 2206 void disk_info_domid_fixup(libxl_device_disk *disk_info, int domid)
keir@20542 2207 {
keir@20542 2208 disk_info->domid = domid;
keir@20542 2209 }
keir@20542 2210
keir@20542 2211 void vfb_info_domid_fixup(libxl_device_vfb *vfb, int domid)
keir@20542 2212 {
keir@20542 2213 vfb->domid = domid;
keir@20542 2214 }
keir@20542 2215
keir@20542 2216 void vkb_info_domid_fixup(libxl_device_vkb *vkb, int domid)
keir@20542 2217 {
keir@20542 2218 vkb->domid = domid;
keir@20542 2219 }
keir@20542 2220
keir@20542 2221 void console_info_domid_fixup(libxl_device_console *console, int domid)
keir@20542 2222 {
keir@20542 2223 console->domid = domid;
keir@20542 2224 }
keir@20542 2225
keir@20542 2226 void device_model_info_domid_fixup(libxl_device_model_info *dm_info, int domid)
keir@20542 2227 {
keir@20542 2228 dm_info->domid = domid;
keir@20542 2229 }
keir@20542 2230
keir@20542 2231 void init_create_info(libxl_domain_create_info *c_info)
keir@20542 2232 {
keir@20542 2233 memset(c_info, '\0', sizeof(*c_info));
keir@20542 2234 c_info->xsdata = NULL;
keir@20542 2235 c_info->platformdata = NULL;
keir@20542 2236 c_info->hvm = 1;
keir@20542 2237 c_info->ssidref = 0;
keir@20542 2238 }
keir@20542 2239
keir@20542 2240 void init_build_info(libxl_domain_build_info *b_info, libxl_domain_create_info *c_info)
keir@20542 2241 {
keir@20542 2242 memset(b_info, '\0', sizeof(*b_info));
keir@20542 2243 b_info->timer_mode = -1;
keir@20542 2244 b_info->hpet = 1;
keir@20542 2245 b_info->vpt_align = -1;
keir@20542 2246 b_info->max_vcpus = 1;
keir@20542 2247 b_info->max_memkb = 32 * 1024;
keir@20647 2248 b_info->target_memkb = b_info->max_memkb;
keir@20542 2249 if (c_info->hvm) {
keir@20542 2250 b_info->shadow_memkb = libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
keir@20542 2251 b_info->video_memkb = 8 * 1024;
keir@20542 2252 b_info->kernel = "/usr/lib/xen/boot/hvmloader";
keir@20542 2253 b_info->hvm = 1;
keir@20542 2254 b_info->u.hvm.pae = 1;
keir@20542 2255 b_info->u.hvm.apic = 1;
keir@20542 2256 b_info->u.hvm.acpi = 1;
keir@20542 2257 b_info->u.hvm.nx = 1;
keir@20542 2258 b_info->u.hvm.viridian = 0;
keir@20632 2259 } else {
keir@20632 2260 b_info->u.pv.slack_memkb = 8 * 1024;
keir@20542 2261 }
keir@20542 2262 }
keir@20542 2263
keir@20542 2264 void init_dm_info(libxl_device_model_info *dm_info,
keir@20542 2265 libxl_domain_create_info *c_info, libxl_domain_build_info *b_info)
keir@20542 2266 {
keir@20542 2267 memset(dm_info, '\0', sizeof(*dm_info));
keir@20542 2268
keir@20542 2269 dm_info->dom_name = c_info->name;
keir@20542 2270 dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20542 2271 dm_info->videoram = b_info->video_memkb / 1024;
keir@20542 2272 dm_info->apic = b_info->u.hvm.apic;
keir@20542 2273
keir@20542 2274 dm_info->stdvga = 0;
keir@20542 2275 dm_info->vnc = 1;
keir@20542 2276 dm_info->vnclisten = "127.0.0.1";
keir@20542 2277 dm_info->vncdisplay = 0;
keir@20542 2278 dm_info->vncunused = 0;
keir@20542 2279 dm_info->keymap = NULL;
keir@20542 2280 dm_info->sdl = 0;
keir@20542 2281 dm_info->opengl = 0;
keir@20542 2282 dm_info->nographic = 0;
keir@20542 2283 dm_info->serial = NULL;
keir@20542 2284 dm_info->boot = "cda";
keir@20542 2285 dm_info->usb = 0;
keir@20542 2286 dm_info->usbdevice = NULL;
keir@20542 2287 }
keir@20542 2288
keir@20542 2289 void init_nic_info(libxl_device_nic *nic_info, int devnum)
keir@20542 2290 {
keir@20542 2291 memset(nic_info, '\0', sizeof(*nic_info));
keir@20542 2292
keir@20542 2293
keir@20542 2294 nic_info->backend_domid = 0;
keir@20542 2295 nic_info->domid = 0;
keir@20542 2296 nic_info->devid = devnum;
keir@20542 2297 nic_info->mtu = 1492;
keir@20542 2298 nic_info->model = "e1000";
keir@20542 2299 srand(time(0));
keir@20542 2300 nic_info->mac[0] = 0x00;
keir@20542 2301 nic_info->mac[1] = 0x16;
keir@20542 2302 nic_info->mac[2] = 0x3e;
keir@20542 2303 nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
keir@20542 2304 nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542 2305 nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542 2306 asprintf(&(nic_info->smac), "%02x:%02x:%02x:%02x:%02x:%02x", nic_info->mac[0], nic_info->mac[1], nic_info->mac[2], nic_info->mac[3], nic_info->mac[4], nic_info->mac[5]);
keir@20542 2307 nic_info->ifname = NULL;
keir@20542 2308 nic_info->bridge = "xenbr0";
keir@20542 2309 nic_info->script = "/etc/xen/scripts/vif-bridge";
keir@20542 2310 nic_info->nictype = NICTYPE_IOEMU;
keir@20542 2311 }
keir@20542 2312
keir@20542 2313 void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
keir@20542 2314 {
keir@20542 2315 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 2316 vfb->devid = dev_num;
keir@20542 2317 vfb->vnc = 1;
keir@20542 2318 vfb->vnclisten = "127.0.0.1";
keir@20542 2319 vfb->vncdisplay = 0;
keir@20542 2320 vfb->vncunused = 1;
keir@20542 2321 vfb->keymap = NULL;
keir@20542 2322 vfb->sdl = 0;
keir@20542 2323 vfb->opengl = 0;
keir@20542 2324 }
keir@20542 2325
keir@20542 2326 void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
keir@20542 2327 {
keir@20542 2328 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 2329 vkb->devid = dev_num;
keir@20542 2330 }
keir@20542 2331
keir@20542 2332 void init_console_info(libxl_device_console *console, int dev_num, libxl_domain_build_state *state)
keir@20542 2333 {
keir@20542 2334 memset(console, 0x00, sizeof(libxl_device_console));
keir@20542 2335 console->devid = dev_num;
keir@20542 2336 console->constype = CONSTYPE_XENCONSOLED;
keir@20542 2337 if (state)
keir@20542 2338 console->build_state = state;
keir@20542 2339 }
keir@20542 2340
keir@20647 2341 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb)
keir@20647 2342 {
keir@20647 2343 int rc = 0;
keir@20647 2344 uint32_t videoram;
keir@20647 2345 char *videoram_s = NULL;
keir@20647 2346 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@20542 2347
keir@20647 2348 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@20647 2349 if (!videoram_s)
keir@20647 2350 return -1;
keir@20647 2351 videoram = atoi(videoram_s);
keir@20647 2352
keir@20647 2353 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@20779 2354 rc = xc_domain_setmaxmem(ctx->xch, domid, target_memkb + LIBXL_MAXMEM_CONSTANT);
keir@20779 2355 if (rc != 0)
keir@20779 2356 return rc;
keir@20647 2357 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647 2358 return rc;
keir@20647 2359 }
keir@20647 2360
keir@20647 2361