debuggers.hg

annotate tools/libxl/libxl.c @ 22285:606b0eb2caa7

libxl: remove xs_writev function

It isn't actually being used to write a vector at the only callsite
and can easily be implemented using xs_write.

Furthermore the old implementation used to leak both the key and value
strings.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
committer: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
author Ian Campbell <ian.campbell@citrix.com>
date Wed Oct 13 11:54:04 2010 +0100 (2010-10-13)
parents 368957d8b063
children ffe0cdb77a7b
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>
zhigang@21941 23 #include <sys/stat.h>
keir@20462 24 #include <fcntl.h>
keir@20462 25 #include <sys/select.h>
keir@20514 26 #include <sys/wait.h>
ian@22032 27 #include <sys/time.h>
keir@20462 28 #include <signal.h>
keir@20468 29 #include <unistd.h> /* for write, unlink and close */
keir@20509 30 #include <stdint.h>
keir@20509 31 #include <inttypes.h>
keir@20514 32 #include <assert.h>
keir@20513 33
keir@20462 34 #include "libxl.h"
keir@20462 35 #include "libxl_utils.h"
keir@20462 36 #include "libxl_internal.h"
keir@20462 37 #include "flexarray.h"
keir@20462 38
keir@20860 39 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860 40
ian@21930 41 int libxl_ctx_init(libxl_ctx *ctx, int version, xentoollog_logger *lg)
keir@20462 42 {
keir@20788 43 if (version != LIBXL_VERSION)
keir@20788 44 return ERROR_VERSION;
ian@21930 45 memset(ctx, 0, sizeof(libxl_ctx));
keir@21532 46 ctx->lg = lg;
keir@21266 47 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462 48
keir@21532 49 ctx->xch = xc_interface_open(lg,lg,0);
keir@21529 50 if (!ctx->xch) {
ian@22165 51 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681 52 "cannot open libxc handle");
keir@20819 53 return ERROR_FAIL;
keir@20819 54 }
keir@20819 55
keir@20462 56 ctx->xsh = xs_daemon_open();
dgdegra@22118 57 if (!ctx->xsh)
dgdegra@22118 58 ctx->xsh = xs_domain_open();
keir@20819 59 if (!ctx->xsh) {
ian@22165 60 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681 61 "cannot connect to xenstore");
keir@20819 62 xc_interface_close(ctx->xch);
keir@20819 63 return ERROR_FAIL;
keir@20819 64 }
keir@20462 65 return 0;
keir@20462 66 }
keir@20462 67
ian@21930 68 int libxl_ctx_free(libxl_ctx *ctx)
keir@20462 69 {
gianni@22156 70 if (ctx->xch) xc_interface_close(ctx->xch);
ian@22084 71 libxl_version_info_destroy(&ctx->version_info);
keir@21186 72 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462 73 return 0;
keir@20462 74 }
keir@20462 75
ian@22124 76 void libxl_string_list_destroy(libxl_string_list *psl)
ian@22078 77 {
ian@22078 78 int i;
ian@22124 79 libxl_string_list sl = *psl;
ian@22078 80
ian@22078 81 if (!sl)
ian@22078 82 return;
ian@22078 83
ian@22078 84 for (i = 0; sl[i] != NULL; i++)
ian@22078 85 free(sl[i]);
ian@22078 86 free(sl);
ian@22078 87 }
ian@22078 88
ian@22124 89 void libxl_key_value_list_destroy(libxl_key_value_list *pkvl)
ian@22078 90 {
ian@22078 91 int i;
ian@22124 92 libxl_key_value_list kvl = *pkvl;
ian@22078 93
ian@22078 94 if (!kvl)
ian@22078 95 return;
ian@22078 96
ian@22078 97 for (i = 0; kvl[i] != NULL; i += 2) {
ian@22078 98 free(kvl[i]);
ian@22078 99 if (kvl[i + 1])
ian@22078 100 free(kvl[i + 1]);
ian@22078 101 }
ian@22078 102 free(kvl);
ian@22078 103 }
ian@22078 104
andre@22216 105 void libxl_cpuid_destroy(libxl_cpuid_policy_list *p_cpuid_list)
andre@22216 106 {
andre@22216 107 int i, j;
andre@22216 108 libxl_cpuid_policy_list cpuid_list = *p_cpuid_list;
andre@22216 109
andre@22216 110 if (cpuid_list == NULL)
andre@22216 111 return;
andre@22216 112 for (i = 0; cpuid_list[i].input[0] != XEN_CPUID_INPUT_UNUSED; i++) {
andre@22216 113 for (j = 0; j < 4; j++)
andre@22216 114 if (cpuid_list[i].policy[j] != NULL)
andre@22216 115 free(cpuid_list[i].policy[j]);
andre@22216 116 }
andre@22216 117 return;
andre@22216 118 }
andre@22216 119
keir@20462 120 /******************************************************************************/
keir@20462 121
ian@21930 122 int libxl_domain_make(libxl_ctx *ctx, libxl_domain_create_info *info,
keir@20462 123 uint32_t *domid)
keir@20462 124 {
ian@22167 125 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21184 126 int flags, ret, i, rc;
keir@20468 127 char *uuid_string;
keir@20646 128 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462 129 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646 130 "control", "attr", "messages" };
ian@21894 131 char *dom_path, *vm_path;
keir@20462 132 struct xs_permissions roperm[2];
keir@20462 133 struct xs_permissions rwperm[1];
keir@20462 134 xs_transaction_t t;
keir@20468 135 xen_domain_handle_t handle;
keir@20462 136
ian@22164 137 uuid_string = libxl__uuid2string(&gc, info->uuid);
gianni@22023 138 if (!uuid_string) {
ian@22164 139 libxl__free_all(&gc);
gianni@22023 140 return ERROR_NOMEM;
gianni@22023 141 }
keir@20462 142
keir@20462 143 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462 144 flags |= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@21274 145 flags |= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824 146 *domid = -1;
keir@20462 147
keir@20580 148 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
gianni@22143 149 libxl_uuid_copy((libxl_uuid *)handle, &info->uuid);
keir@20468 150
keir@20468 151 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 152 if (ret < 0) {
ian@22165 153 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, ret, "domain creation fail");
ian@22164 154 libxl__free_all(&gc);
keir@20462 155 return ERROR_FAIL;
keir@20462 156 }
keir@20462 157
keir@21368 158 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368 159 if (ret < 0) {
ian@22165 160 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, ret, "domain move fail");
ian@22164 161 libxl__free_all(&gc);
keir@21368 162 return ERROR_FAIL;
keir@21368 163 }
keir@21368 164
ian@22164 165 dom_path = libxl__xs_get_dompath(&gc, *domid);
gianni@22023 166 if (!dom_path) {
ian@22164 167 libxl__free_all(&gc);
keir@20512 168 return ERROR_FAIL;
gianni@22023 169 }
gianni@22023 170
ian@22164 171 vm_path = libxl__sprintf(&gc, "/vm/%s", uuid_string);
ian@21894 172 if (!vm_path) {
ian@22165 173 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "cannot allocate create paths");
ian@22164 174 libxl__free_all(&gc);
keir@20462 175 return ERROR_FAIL;
keir@20462 176 }
keir@20462 177
keir@20462 178 roperm[0].id = 0;
keir@20462 179 roperm[0].perms = XS_PERM_NONE;
keir@20462 180 roperm[1].id = *domid;
keir@20462 181 roperm[1].perms = XS_PERM_READ;
keir@20462 182 rwperm[0].id = *domid;
keir@20462 183 rwperm[0].perms = XS_PERM_NONE;
keir@20462 184
keir@20462 185 retry_transaction:
keir@20462 186 t = xs_transaction_start(ctx->xsh);
keir@20462 187 xs_rm(ctx->xsh, t, dom_path);
keir@20462 188 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 189 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 190
keir@20462 191 xs_rm(ctx->xsh, t, vm_path);
keir@20462 192 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 193 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 194
ian@22164 195 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@21184 196 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
gianni@22023 197 if (rc) {
ian@22164 198 libxl__free_all(&gc);
gianni@22023 199 return rc;
gianni@22023 200 }
keir@20462 201
keir@20462 202 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
ian@22164 203 char *path = libxl__sprintf(&gc, "%s/%s", dom_path, rw_paths[i]);
keir@20462 204 xs_mkdir(ctx->xsh, t, path);
keir@20462 205 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 206 }
keir@20462 207 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
ian@22164 208 char *path = libxl__sprintf(&gc, "%s/%s", dom_path, ro_paths[i]);
keir@20462 209 xs_mkdir(ctx->xsh, t, path);
keir@20462 210 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 211 }
keir@20462 212
ian@22164 213 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
ian@22164 214 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389 215 if (info->poolname)
ian@22164 216 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
ian@22164 217
ian@22164 218 libxl__xs_writev(&gc, t, dom_path, info->xsdata);
ian@22164 219 libxl__xs_writev(&gc, t, libxl__sprintf(&gc, "%s/platform", dom_path), info->platformdata);
ian@22164 220
ian@22164 221 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 222
keir@20462 223 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 224 if (errno == EAGAIN)
keir@20462 225 goto retry_transaction;
gianni@22023 226
ian@22164 227 libxl__free_all(&gc);
keir@20462 228 return 0;
keir@20462 229 }
keir@20462 230
ian@21930 231 int libxl_domain_rename(libxl_ctx *ctx, uint32_t domid,
keir@21184 232 const char *old_name, const char *new_name,
gianni@22023 233 xs_transaction_t trans)
gianni@22023 234 {
ian@22167 235 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21184 236 char *dom_path = 0;
keir@21184 237 const char *name_path;
keir@21184 238 char *got_old_name;
keir@21184 239 unsigned int got_old_len;
keir@21184 240 xs_transaction_t our_trans = 0;
keir@21184 241 int rc;
keir@21184 242
ian@22164 243 dom_path = libxl__xs_get_dompath(&gc, domid);
keir@21184 244 if (!dom_path) goto x_nomem;
keir@21184 245
ian@22164 246 name_path= libxl__sprintf(&gc, "%s/name", dom_path);
keir@21184 247 if (!name_path) goto x_nomem;
keir@21184 248
keir@21184 249 retry_transaction:
keir@21184 250 if (!trans) {
keir@21184 251 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184 252 if (!our_trans) {
ian@22165 253 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21184 254 "create xs transaction for domain (re)name");
keir@21184 255 goto x_fail;
keir@21184 256 }
keir@21184 257 }
keir@21184 258
keir@21184 259 if (old_name) {
keir@21184 260 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184 261 if (!got_old_name) {
ian@22165 262 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno, "check old name"
keir@21184 263 " for domain %"PRIu32" allegedly named `%s'",
keir@21184 264 domid, old_name);
keir@21184 265 goto x_fail;
keir@21184 266 }
keir@21184 267 if (strcmp(old_name, got_old_name)) {
ian@22165 268 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184 269 "`%s' is actually named `%s' - racing ?",
keir@21184 270 domid, old_name, got_old_name);
keir@21184 271 free(got_old_name);
keir@21184 272 goto x_fail;
keir@21184 273 }
keir@21184 274 free(got_old_name);
keir@21184 275 }
keir@21184 276 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184 277 new_name, strlen(new_name))) {
ian@22165 278 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to write new name `%s'"
keir@21184 279 " for domain %"PRIu32" previously named `%s'",
keir@21531 280 new_name, domid, old_name);
keir@21184 281 goto x_fail;
keir@21184 282 }
keir@21184 283
keir@21184 284 if (our_trans) {
keir@21184 285 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184 286 trans = our_trans = 0;
keir@21184 287 if (errno != EAGAIN) {
ian@22165 288 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to commit new name `%s'"
keir@21184 289 " for domain %"PRIu32" previously named `%s'",
keir@21531 290 new_name, domid, old_name);
keir@21184 291 goto x_fail;
keir@21184 292 }
ian@22165 293 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "need to retry rename transaction"
keir@21184 294 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184 295 domid, name_path, new_name);
keir@21184 296 goto retry_transaction;
keir@21184 297 }
keir@21184 298 our_trans = 0;
keir@21184 299 }
keir@21184 300
keir@21184 301 rc = 0;
keir@21184 302 x_rc:
keir@21184 303 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
ian@22164 304 libxl__free_all(&gc);
keir@21184 305 return rc;
keir@21184 306
keir@21184 307 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184 308 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184 309 }
keir@21184 310
ian@21930 311 int libxl_domain_build(libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 312 {
ian@22167 313 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 314 char **vments = NULL, **localents = NULL;
keir@21438 315 struct timeval start_time;
keir@20829 316 int i, ret;
keir@20829 317
ian@22165 318 ret = libxl__build_pre(ctx, domid, info, state);
gianni@22023 319 if (ret)
gianni@22023 320 goto out;
keir@20462 321
keir@21438 322 gettimeofday(&start_time, NULL);
keir@21438 323
keir@20462 324 if (info->hvm) {
ian@22165 325 ret = libxl__build_hvm(ctx, domid, info, state);
gianni@22023 326 if (ret)
gianni@22023 327 goto out;
gianni@22023 328
ian@22164 329 vments = libxl__calloc(&gc, 7, sizeof(char *));
keir@20516 330 vments[0] = "rtc/timeoffset";
keir@20516 331 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 332 vments[2] = "image/ostype";
keir@20516 333 vments[3] = "hvm";
keir@21438 334 vments[4] = "start_time";
ian@22164 335 vments[5] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462 336 } else {
ian@22165 337 ret = libxl__build_pv(ctx, domid, info, state);
gianni@22023 338 if (ret)
gianni@22023 339 goto out;
gianni@22023 340
ian@22164 341 vments = libxl__calloc(&gc, 11, sizeof(char *));
keir@20578 342 i = 0;
keir@20578 343 vments[i++] = "image/ostype";
keir@20578 344 vments[i++] = "linux";
keir@20578 345 vments[i++] = "image/kernel";
Ian@21848 346 vments[i++] = (char*) info->kernel.path;
keir@21438 347 vments[i++] = "start_time";
ian@22164 348 vments[i++] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848 349 if (info->u.pv.ramdisk.path) {
keir@20578 350 vments[i++] = "image/ramdisk";
Ian@21848 351 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20578 352 }
keir@20578 353 if (info->u.pv.cmdline) {
keir@20578 354 vments[i++] = "image/cmdline";
keir@20578 355 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 356 }
keir@20462 357 }
ian@22165 358 ret = libxl__build_post(ctx, domid, info, state, vments, localents);
keir@20829 359 out:
ian@22082 360 libxl__file_reference_unmap(&info->kernel);
Ian@21848 361 if (!info->hvm)
ian@22082 362 libxl__file_reference_unmap(&info->u.pv.ramdisk);
Ian@21848 363
ian@22164 364 libxl__free_all(&gc);
keir@20829 365 return ret;
keir@20462 366 }
keir@20462 367
ian@21930 368 int libxl_domain_restore(libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 369 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 370 libxl_device_model_info *dm_info)
keir@20462 371 {
ian@22167 372 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 373 char **vments = NULL, **localents = NULL;
keir@21438 374 struct timeval start_time;
keir@21183 375 int i, ret, esave, flags;
keir@20462 376
ian@22165 377 ret = libxl__build_pre(ctx, domid, info, state);
gianni@22023 378 if (ret)
gianni@22023 379 goto out;
keir@20829 380
ian@22165 381 ret = libxl__domain_restore_common(ctx, domid, info, state, fd);
gianni@22023 382 if (ret)
gianni@22023 383 goto out;
keir@20829 384
keir@21438 385 gettimeofday(&start_time, NULL);
keir@21438 386
keir@20462 387 if (info->hvm) {
ian@22164 388 vments = libxl__calloc(&gc, 7, sizeof(char *));
keir@20516 389 vments[0] = "rtc/timeoffset";
keir@20516 390 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 391 vments[2] = "image/ostype";
keir@20565 392 vments[3] = "hvm";
keir@21438 393 vments[4] = "start_time";
ian@22164 394 vments[5] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462 395 } else {
ian@22164 396 vments = libxl__calloc(&gc, 11, sizeof(char *));
keir@20627 397 i = 0;
keir@20627 398 vments[i++] = "image/ostype";
keir@20627 399 vments[i++] = "linux";
keir@20627 400 vments[i++] = "image/kernel";
Ian@21848 401 vments[i++] = (char*) info->kernel.path;
keir@21438 402 vments[i++] = "start_time";
ian@22164 403 vments[i++] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848 404 if (info->u.pv.ramdisk.path) {
keir@20627 405 vments[i++] = "image/ramdisk";
Ian@21848 406 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20627 407 }
keir@20627 408 if (info->u.pv.cmdline) {
keir@20627 409 vments[i++] = "image/cmdline";
keir@20627 410 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 411 }
keir@20462 412 }
ian@22165 413 ret = libxl__build_post(ctx, domid, info, state, vments, localents);
gianni@22023 414 if (ret)
gianni@22023 415 goto out;
keir@20829 416
keir@21417 417 dm_info->saved_state = NULL;
keir@21417 418 if (info->hvm) {
keir@21417 419 ret = asprintf(&dm_info->saved_state,
keir@21417 420 "/var/lib/xen/qemu-save.%d", domid);
keir@21417 421 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417 422 }
keir@21417 423
keir@20829 424 out:
ian@22082 425 libxl__file_reference_unmap(&info->kernel);
Ian@21848 426 if (!info->hvm)
ian@22082 427 libxl__file_reference_unmap(&info->u.pv.ramdisk);
Ian@21848 428
keir@21183 429 esave = errno;
keir@21183 430
keir@21183 431 flags = fcntl(fd, F_GETFL);
keir@21183 432 if (flags == -1) {
ian@22165 433 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unable to get flags on restore fd");
keir@21183 434 } else {
keir@21183 435 flags &= ~O_NONBLOCK;
keir@21183 436 if (fcntl(fd, F_SETFL, flags) == -1)
ian@22165 437 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unable to put restore fd"
keir@21183 438 " back to blocking mode");
keir@21183 439 }
keir@21183 440
keir@21183 441 errno = esave;
ian@22164 442 libxl__free_all(&gc);
keir@20829 443 return ret;
keir@20462 444 }
keir@20462 445
ian@21930 446 int libxl_domain_resume(libxl_ctx *ctx, uint32_t domid)
keir@20629 447 {
ian@22167 448 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023 449 int rc = 0;
gianni@22023 450
ian@22165 451 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22165 452 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Called domain_resume on "
keir@20629 453 "non-cooperative hvm domain %u", domid);
gianni@22023 454 rc = ERROR_NI;
gianni@22023 455 goto out;
keir@20629 456 }
keir@20629 457 if (xc_domain_resume(ctx->xch, domid, 1)) {
ian@22165 458 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629 459 "xc_domain_resume failed for domain %u",
keir@20629 460 domid);
gianni@22023 461 rc = ERROR_FAIL;
gianni@22023 462 goto out;
keir@20629 463 }
keir@20629 464 if (!xs_resume_domain(ctx->xsh, domid)) {
ian@22165 465 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629 466 "xs_resume_domain failed for domain %u",
keir@20629 467 domid);
gianni@22023 468 rc = ERROR_FAIL;
keir@20629 469 }
gianni@22023 470 out:
ian@22164 471 libxl__free_all(&gc);
keir@20629 472 return 0;
keir@20629 473 }
keir@20629 474
ian@21920 475 /*
ian@21920 476 * Preserves a domain but rewrites xenstore etc to make it unique so
ian@21920 477 * that the domain can be restarted.
ian@21920 478 *
ian@21920 479 * Does not modify info so that it may be reused.
ian@21920 480 */
ian@21930 481 int libxl_domain_preserve(libxl_ctx *ctx, uint32_t domid,
Ian@21969 482 libxl_domain_create_info *info, const char *name_suffix, libxl_uuid new_uuid)
ian@21920 483 {
ian@22167 484 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21920 485 struct xs_permissions roperm[2];
ian@21920 486 xs_transaction_t t;
ian@21920 487 char *preserved_name;
ian@21920 488 char *uuid_string;
ian@21920 489 char *vm_path;
ian@21920 490 char *dom_path;
ian@21920 491
ian@21920 492 int rc;
ian@21920 493
ian@22164 494 preserved_name = libxl__sprintf(&gc, "%s%s", info->name, name_suffix);
gianni@22023 495 if (!preserved_name) {
ian@22164 496 libxl__free_all(&gc);
gianni@22023 497 return ERROR_NOMEM;
gianni@22023 498 }
ian@21920 499
ian@22164 500 uuid_string = libxl__uuid2string(&gc, new_uuid);
gianni@22023 501 if (!uuid_string) {
ian@22164 502 libxl__free_all(&gc);
gianni@22023 503 return ERROR_NOMEM;
gianni@22023 504 }
gianni@22023 505
ian@22164 506 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023 507 if (!dom_path) {
ian@22164 508 libxl__free_all(&gc);
gianni@22023 509 return ERROR_FAIL;
gianni@22023 510 }
gianni@22023 511
ian@22164 512 vm_path = libxl__sprintf(&gc, "/vm/%s", uuid_string);
gianni@22023 513 if (!vm_path) {
ian@22164 514 libxl__free_all(&gc);
gianni@22023 515 return ERROR_FAIL;
gianni@22023 516 }
ian@21920 517
ian@21920 518 roperm[0].id = 0;
ian@21920 519 roperm[0].perms = XS_PERM_NONE;
ian@21920 520 roperm[1].id = domid;
ian@21920 521 roperm[1].perms = XS_PERM_READ;
ian@21920 522
ian@21920 523 retry_transaction:
ian@21920 524 t = xs_transaction_start(ctx->xsh);
ian@21920 525
ian@21920 526 xs_rm(ctx->xsh, t, vm_path);
ian@21920 527 xs_mkdir(ctx->xsh, t, vm_path);
ian@21920 528 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
ian@21920 529
ian@22164 530 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/vm", dom_path), vm_path, strlen(vm_path));
ian@21920 531 rc = libxl_domain_rename(ctx, domid, info->name, preserved_name, t);
ian@21920 532 if (rc) return rc;
ian@21920 533
ian@22164 534 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
ian@21920 535
ian@21920 536 if (!xs_transaction_end(ctx->xsh, t, 0))
ian@21920 537 if (errno == EAGAIN)
ian@21920 538 goto retry_transaction;
ian@21920 539
ian@22164 540 libxl__free_all(&gc);
ian@21920 541 return 0;
ian@21920 542 }
ian@21920 543
keir@21189 544 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
ian@21930 545 libxl_dominfo *xlinfo)
ian@21895 546 {
keir@21189 547 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189 548 xlinfo->domid = xcinfo->domain;
keir@21189 549
ian@21895 550 xlinfo->dying = !!(xcinfo->flags&XEN_DOMINF_dying);
ian@21895 551 xlinfo->shutdown = !!(xcinfo->flags&XEN_DOMINF_shutdown);
ian@21895 552 xlinfo->paused = !!(xcinfo->flags&XEN_DOMINF_paused);
ian@21895 553 xlinfo->blocked = !!(xcinfo->flags&XEN_DOMINF_blocked);
ian@21895 554 xlinfo->running = !!(xcinfo->flags&XEN_DOMINF_running);
ian@21914 555
ian@21914 556 if (xlinfo->shutdown || xlinfo->dying)
ian@21914 557 xlinfo->shutdown_reason = (xcinfo->flags>>XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask;
ian@21914 558 else
ian@21914 559 xlinfo->shutdown_reason = ~0;
ian@21895 560
stefano@22241 561 xlinfo->current_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
stefano@22241 562 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->max_pages);
keir@21189 563 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189 564 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189 565 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189 566 }
keir@21189 567
ian@21930 568 libxl_dominfo * libxl_list_domain(libxl_ctx *ctx, int *nb_domain)
keir@20462 569 {
ian@21930 570 libxl_dominfo *ptr;
keir@20867 571 int i, ret;
keir@20822 572 xc_domaininfo_t info[1024];
keir@20822 573 int size = 1024;
keir@20462 574
ian@21930 575 ptr = calloc(size, sizeof(libxl_dominfo));
gianni@21892 576 if (!ptr) {
ian@22165 577 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating domain info");
gianni@21892 578 return NULL;
gianni@21892 579 }
keir@20822 580
keir@20860 581 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
gianni@21892 582 if (ret<0) {
ian@22165 583 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892 584 return NULL;
gianni@21892 585 }
keir@20784 586
keir@21189 587 for (i = 0; i < ret; i++) {
keir@21189 588 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462 589 }
keir@20867 590 *nb_domain = ret;
keir@20462 591 return ptr;
keir@20462 592 }
keir@20462 593
ian@21930 594 int libxl_domain_info(libxl_ctx *ctx, libxl_dominfo *info_r,
keir@21189 595 uint32_t domid) {
keir@21189 596 xc_domaininfo_t xcinfo;
keir@21189 597 int ret;
keir@21189 598
keir@21189 599 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
gianni@21892 600 if (ret<0) {
ian@22165 601 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892 602 return ERROR_FAIL;
gianni@21892 603 }
keir@21189 604 if (ret==0 || xcinfo.domain != domid) return ERROR_INVAL;
keir@21189 605
keir@21189 606 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189 607 return 0;
keir@21189 608 }
keir@21189 609
ian@21930 610 libxl_poolinfo * libxl_list_pool(libxl_ctx *ctx, int *nb_pool)
keir@21368 611 {
ian@21930 612 libxl_poolinfo *ptr;
keir@21368 613 int i, ret;
keir@21368 614 xc_cpupoolinfo_t info[256];
keir@21368 615 int size = 256;
keir@21368 616
ian@21930 617 ptr = calloc(size, sizeof(libxl_poolinfo));
gianni@21892 618 if (!ptr) {
ian@22165 619 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating cpupool info");
gianni@21892 620 return NULL;
gianni@21892 621 }
keir@21368 622
keir@21368 623 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
gianni@21892 624 if (ret<0) {
ian@22165 625 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting cpupool info");
gianni@21892 626 return NULL;
gianni@21892 627 }
keir@21368 628
keir@21368 629 for (i = 0; i < ret; i++) {
keir@21368 630 ptr[i].poolid = info[i].cpupool_id;
keir@21368 631 }
keir@21368 632 *nb_pool = ret;
keir@21368 633 return ptr;
keir@21368 634 }
keir@21368 635
keir@20860 636 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
ian@21930 637 libxl_vminfo * libxl_list_vm(libxl_ctx *ctx, int *nb_vm)
keir@20860 638 {
ian@21930 639 libxl_vminfo *ptr;
keir@20860 640 int index, i, ret;
keir@20860 641 xc_domaininfo_t info[1024];
keir@20860 642 int size = 1024;
keir@20860 643
ian@21930 644 ptr = calloc(size, sizeof(libxl_dominfo));
keir@20860 645 if (!ptr)
keir@20860 646 return NULL;
keir@20860 647
keir@20860 648 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
gianni@21892 649 if (ret<0) {
ian@22165 650 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892 651 return NULL;
gianni@21892 652 }
keir@20860 653 for (index = i = 0; i < ret; i++) {
keir@20860 654 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860 655 continue;
keir@20860 656 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860 657 ptr[index].domid = info[i].domain;
keir@20860 658
keir@20860 659 index++;
keir@20860 660 }
keir@20860 661 *nb_vm = index;
keir@20860 662 return ptr;
keir@20860 663 }
keir@20860 664
ian@21930 665 int libxl_domain_suspend(libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 666 uint32_t domid, int fd)
keir@20462 667 {
ian@22165 668 int hvm = libxl__domain_is_hvm(ctx, domid);
keir@20565 669 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@21543 670 int debug = info != NULL && info->flags & XL_SUSPEND_DEBUG;
gianni@22023 671 int rc = 0;
keir@20462 672
ian@22165 673 libxl__domain_suspend_common(ctx, domid, fd, hvm, live, debug);
keir@20565 674 if (hvm)
ian@22165 675 rc = libxl__domain_save_device_model(ctx, domid, fd);
gianni@22023 676 return rc;
keir@20462 677 }
keir@20462 678
ian@21930 679 int libxl_domain_pause(libxl_ctx *ctx, uint32_t domid)
keir@20462 680 {
gianni@21892 681 int ret;
gianni@21892 682 ret = xc_domain_pause(ctx->xch, domid);
gianni@21892 683 if (ret<0) {
ian@22165 684 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "pausing domain %d", domid);
gianni@21892 685 return ERROR_FAIL;
gianni@21892 686 }
Ian@21888 687 return 0;
keir@20462 688 }
keir@20462 689
ian@21930 690 int libxl_domain_core_dump(libxl_ctx *ctx, uint32_t domid,
gianni@21892 691 const char *filename)
sstabellini@21870 692 {
gianni@21892 693 int ret;
gianni@21892 694 ret = xc_domain_dumpcore(ctx->xch, domid, filename);
gianni@21892 695 if (ret<0) {
ian@22165 696 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "core dumping domain %d to %s",
gianni@21892 697 domid, filename);
Ian@21888 698 return ERROR_FAIL;
gianni@21892 699 }
Ian@21888 700 return 0;
sstabellini@21870 701 }
sstabellini@21870 702
ian@21930 703 int libxl_domain_unpause(libxl_ctx *ctx, uint32_t domid)
keir@20462 704 {
ian@22167 705 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20779 706 char *path;
keir@20565 707 char *state;
gianni@22023 708 int ret, rc = 0;
keir@20565 709
ian@22165 710 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22164 711 path = libxl__sprintf(&gc, "/local/domain/0/device-model/%d/state", domid);
ian@22164 712 state = libxl__xs_read(&gc, XBT_NULL, path);
keir@20565 713 if (state != NULL && !strcmp(state, "paused")) {
ian@22164 714 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/0/device-model/%d/command", domid), "continue");
ian@22164 715 libxl__wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 716 }
keir@20565 717 }
gianni@21892 718 ret = xc_domain_unpause(ctx->xch, domid);
gianni@21892 719 if (ret<0) {
ian@22165 720 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unpausing domain %d", domid);
gianni@22023 721 rc = ERROR_FAIL;
gianni@21892 722 }
ian@22164 723 libxl__free_all(&gc);
gianni@22023 724 return rc;
keir@20462 725 }
keir@20462 726
keir@20462 727 static char *req_table[] = {
keir@20462 728 [0] = "poweroff",
keir@20462 729 [1] = "reboot",
keir@20462 730 [2] = "suspend",
keir@20462 731 [3] = "crash",
keir@20462 732 [4] = "halt",
keir@20462 733 };
keir@20462 734
ian@21930 735 int libxl_domain_shutdown(libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 736 {
ian@22167 737 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 738 char *shutdown_path;
keir@20462 739 char *dom_path;
keir@20462 740
gianni@22023 741 if (req > ARRAY_SIZE(req_table)) {
ian@22164 742 libxl__free_all(&gc);
keir@20462 743 return ERROR_INVAL;
gianni@22023 744 }
gianni@22023 745
ian@22164 746 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023 747 if (!dom_path) {
ian@22164 748 libxl__free_all(&gc);
keir@20512 749 return ERROR_FAIL;
gianni@22023 750 }
gianni@22023 751
ian@22164 752 shutdown_path = libxl__sprintf(&gc, "%s/control/shutdown", dom_path);
keir@20462 753
keir@20462 754 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
ian@22165 755 if (libxl__domain_is_hvm(ctx,domid)) {
keir@20462 756 unsigned long acpi_s_state = 0;
keir@20462 757 unsigned long pvdriver = 0;
gianni@21892 758 int ret;
gianni@21892 759 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
gianni@21892 760 if (ret<0) {
ian@22165 761 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting ACPI S-state");
gianni@21892 762 return ERROR_FAIL;
gianni@21892 763 }
gianni@21892 764 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
gianni@21892 765 if (ret<0) {
ian@22165 766 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting HVM callback IRQ");
gianni@21892 767 return ERROR_FAIL;
gianni@21892 768 }
gianni@21892 769 if (!pvdriver || acpi_s_state != 0) {
gianni@21892 770 ret = xc_domain_shutdown(ctx->xch, domid, req);
gianni@21892 771 if (ret<0) {
ian@22165 772 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unpausing domain");
gianni@21892 773 return ERROR_FAIL;
gianni@21892 774 }
gianni@21892 775 }
keir@20462 776 }
ian@22164 777 libxl__free_all(&gc);
Ian@21888 778 return 0;
keir@20462 779 }
keir@20462 780
ian@21930 781 int libxl_get_wait_fd(libxl_ctx *ctx, int *fd)
keir@20545 782 {
keir@20545 783 *fd = xs_fileno(ctx->xsh);
keir@20545 784 return 0;
keir@20545 785 }
keir@20545 786
ian@21930 787 int libxl_wait_for_domain_death(libxl_ctx *ctx, uint32_t domid, libxl_waiter *waiter)
keir@20637 788 {
keir@20637 789 waiter->path = strdup("@releaseDomain");
ian@21913 790 if (asprintf(&(waiter->token), "%d", LIBXL_EVENT_DOMAIN_DEATH) < 0)
keir@21417 791 return -1;
keir@20637 792 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637 793 return -1;
keir@20637 794 return 0;
keir@20637 795 }
keir@20637 796
ian@21930 797 int libxl_wait_for_disk_ejects(libxl_ctx *ctx, uint32_t guest_domid, libxl_device_disk *disks, int num_disks, libxl_waiter *waiter)
keir@20637 798 {
ian@22167 799 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023 800 int i, rc = -1;
keir@20637 801 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637 802
keir@20637 803 if (!domid)
keir@20637 804 domid = guest_domid;
keir@20637 805
keir@20637 806 for (i = 0; i < num_disks; i++) {
keir@21417 807 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
ian@22164 808 libxl__xs_get_dompath(&gc, domid),
ian@22165 809 libxl__device_disk_dev_number(disks[i].virtpath)) < 0)
gianni@22023 810 goto out;
ian@21913 811 if (asprintf(&(waiter[i].token), "%d", LIBXL_EVENT_DISK_EJECT) < 0)
gianni@22023 812 goto out;
keir@20637 813 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637 814 }
gianni@22023 815 rc = 0;
gianni@22023 816 out:
ian@22164 817 libxl__free_all(&gc);
gianni@22023 818 return rc;
keir@20637 819 }
keir@20637 820
ian@21930 821 int libxl_get_event(libxl_ctx *ctx, libxl_event *event)
keir@20545 822 {
keir@20545 823 unsigned int num;
keir@20637 824 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637 825 if (num != 2) {
keir@20637 826 free(events);
gianni@21892 827 return ERROR_FAIL;
keir@20637 828 }
keir@20637 829 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637 830 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637 831 event->type = atoi(event->token);
keir@20637 832 free(events);
keir@20637 833 return 0;
keir@20637 834 }
keir@20637 835
ian@21930 836 int libxl_stop_waiting(libxl_ctx *ctx, libxl_waiter *waiter)
keir@20637 837 {
keir@20637 838 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
gianni@21892 839 return ERROR_FAIL;
keir@20637 840 else
keir@20637 841 return 0;
keir@20637 842 }
keir@20637 843
keir@20637 844 int libxl_free_event(libxl_event *event)
keir@20637 845 {
keir@20637 846 free(event->path);
keir@20637 847 free(event->token);
keir@20637 848 return 0;
keir@20637 849 }
keir@20637 850
keir@20637 851 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637 852 {
keir@20637 853 free(waiter->path);
keir@20637 854 free(waiter->token);
keir@20637 855 return 0;
keir@20637 856 }
keir@20637 857
ian@21930 858 int libxl_event_get_domain_death_info(libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_dominfo *info)
keir@20637 859 {
ian@21916 860 if (libxl_domain_info(ctx, info, domid) < 0)
ian@21916 861 return 0;
ian@21916 862
ian@21916 863 if (info->running || (!info->shutdown && !info->dying))
ian@21916 864 return ERROR_INVAL;
ian@21916 865
ian@21916 866 return 1;
keir@20545 867 }
keir@20545 868
ian@21930 869 int libxl_event_get_disk_eject_info(libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_device_disk *disk)
keir@20637 870 {
ian@22167 871 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21916 872 char *path;
ian@21916 873 char *backend;
ian@21916 874 char *value;
ian@21916 875
ian@22164 876 value = libxl__xs_read(&gc, XBT_NULL, event->path);
gianni@22023 877
gianni@22023 878 if (!value || strcmp(value, "eject")) {
ian@22164 879 libxl__free_all(&gc);
ian@21916 880 return 0;
gianni@22023 881 }
ian@21916 882
ian@21916 883 path = strdup(event->path);
ian@21916 884 path[strlen(path) - 6] = '\0';
ian@22164 885 backend = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend", path));
ian@21916 886
ian@21916 887 disk->backend_domid = 0;
ian@21916 888 disk->domid = domid;
ian@21916 889 disk->physpath = NULL;
ian@21916 890 disk->phystype = 0;
ian@21916 891 /* this value is returned to the user: do not free right away */
ian@22164 892 disk->virtpath = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/dev", backend));
ian@21916 893 disk->unpluggable = 1;
ian@21916 894 disk->readwrite = 0;
ian@21916 895 disk->is_cdrom = 1;
ian@21916 896
ian@21916 897 free(path);
ian@22164 898 libxl__free_all(&gc);
ian@21916 899 return 1;
keir@20637 900 }
keir@20637 901
ian@21930 902 static int libxl_destroy_device_model(libxl_ctx *ctx, uint32_t domid)
keir@20462 903 {
ian@22167 904 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 905 char *pid;
keir@20462 906 int ret;
keir@20462 907
ian@22164 908 pid = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 909 if (!pid) {
keir@20542 910 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 911 if (!stubdomid) {
ian@22165 912 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "Couldn't find device model's pid");
gianni@22023 913 ret = ERROR_INVAL;
gianni@22023 914 goto out;
keir@20542 915 }
ian@22165 916 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
gianni@22023 917 ret = libxl_domain_destroy(ctx, stubdomid, 0);
Jun@22215 918 if (ret)
Jun@22215 919 goto out;
Jun@22215 920 } else {
Jun@22215 921 ret = kill(atoi(pid), SIGHUP);
Jun@22215 922 if (ret < 0 && errno == ESRCH) {
Jun@22215 923 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Device Model already exited");
Jun@22215 924 ret = 0;
Jun@22215 925 } else if (ret == 0) {
Jun@22215 926 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Device Model signaled");
Jun@22215 927 ret = 0;
Jun@22215 928 } else {
Jun@22215 929 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "failed to kill Device Model [%d]",
Jun@22215 930 atoi(pid));
Jun@22215 931 ret = ERROR_FAIL;
Jun@22215 932 goto out;
Jun@22215 933 }
keir@20462 934 }
ian@22164 935 xs_rm(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", domid));
keir@20462 936
gianni@22023 937 out:
ian@22164 938 libxl__free_all(&gc);
keir@20462 939 return ret;
keir@20462 940 }
keir@20462 941
ian@21930 942 int libxl_domain_destroy(libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 943 {
ian@22167 944 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20801 945 char *dom_path;
ian@21894 946 char *vm_path;
keir@20628 947 int rc, dm_present;
keir@20628 948
ian@22165 949 if (libxl__domain_is_hvm(ctx, domid)) {
keir@20628 950 dm_present = 1;
keir@20628 951 } else {
keir@20628 952 char *pid;
ian@22164 953 pid = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 954 dm_present = (pid != NULL);
keir@20628 955 }
keir@20462 956
ian@22164 957 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023 958 if (!dom_path) {
gianni@22023 959 rc = ERROR_FAIL;
gianni@22023 960 goto out;
gianni@22023 961 }
keir@20512 962
keir@20482 963 if (libxl_device_pci_shutdown(ctx, domid) < 0)
ian@22165 964 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 965 if (dm_present) {
keir@20628 966 xs_write(ctx->xsh, XBT_NULL,
ian@22164 967 libxl__sprintf(&gc, "/local/domain/0/device-model/%d/command", domid),
keir@20628 968 "shutdown", strlen("shutdown"));
keir@20628 969 }
keir@20512 970 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 971 if (rc < 0) {
ian@22165 972 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 973 }
keir@20628 974 if (dm_present) {
keir@20628 975 if (libxl_destroy_device_model(ctx, domid) < 0)
ian@22165 976 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 977 }
ian@22164 978 if (libxl__devices_destroy(ctx, domid, force) < 0)
ian@22165 979 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
ian@21891 980
ian@22164 981 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/vm", dom_path));
keir@20823 982 if (vm_path)
keir@20823 983 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
ian@22165 984 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779 985
ian@21891 986 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
ian@22165 987 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", dom_path);
ian@21891 988
keir@21190 989 libxl__userdata_destroyall(ctx, domid);
keir@21190 990
keir@20545 991 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 992 if (rc < 0) {
ian@22165 993 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
gianni@22023 994 rc = ERROR_FAIL;
gianni@22023 995 goto out;
keir@20545 996 }
gianni@22023 997 rc = 0;
gianni@22023 998 out:
ian@22164 999 libxl__free_all(&gc);
keir@20462 1000 return 0;
keir@20462 1001 }
keir@20462 1002
stefano@22040 1003 int libxl_console_exec(libxl_ctx *ctx, uint32_t domid, int cons_num, libxl_console_constype type)
keir@20564 1004 {
ian@22167 1005 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@22164 1006 char *p = libxl__sprintf(&gc, "%s/xenconsole", libxl_private_bindir_path());
ian@22164 1007 char *domid_s = libxl__sprintf(&gc, "%d", domid);
ian@22164 1008 char *cons_num_s = libxl__sprintf(&gc, "%d", cons_num);
stefano@22040 1009 char *cons_type_s;
stefano@22040 1010
ian@22071 1011 switch (type) {
ian@22071 1012 case LIBXL_CONSTYPE_PV:
stefano@22040 1013 cons_type_s = "pv";
ian@22071 1014 break;
ian@22071 1015 case LIBXL_CONSTYPE_SERIAL:
stefano@22040 1016 cons_type_s = "serial";
ian@22071 1017 break;
ian@22071 1018 default:
ian@22071 1019 goto out;
ian@22071 1020 }
stefano@22040 1021
stefano@22040 1022 execl(p, p, domid_s, "--num", cons_num_s, "--type", cons_type_s, (void *)NULL);
ian@22071 1023
ian@22071 1024 out:
ian@22164 1025 libxl__free_all(&gc);
gianni@22023 1026 return ERROR_FAIL;
keir@20564 1027 }
keir@20564 1028
ian@21930 1029 int libxl_primary_console_exec(libxl_ctx *ctx, uint32_t domid_vm)
sstabellini@21867 1030 {
sstabellini@21867 1031 uint32_t stubdomid = libxl_get_stubdom_id(ctx, domid_vm);
sstabellini@21867 1032 if (stubdomid)
stefano@22040 1033 return libxl_console_exec(ctx, stubdomid, 1, LIBXL_CONSTYPE_PV);
stefano@22040 1034 else {
ian@22165 1035 if (libxl__domain_is_hvm(ctx, domid_vm))
stefano@22040 1036 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_SERIAL);
stefano@22040 1037 else
stefano@22040 1038 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_PV);
stefano@22040 1039 }
sstabellini@21867 1040 }
sstabellini@21867 1041
ian@21930 1042 int libxl_vncviewer_exec(libxl_ctx *ctx, uint32_t domid, int autopass)
sstabellini@21879 1043 {
ian@22167 1044 libxl__gc gc = LIBXL_INIT_GC(ctx);
sstabellini@21879 1045 const char *vnc_port, *vfb_back;
sstabellini@21879 1046 const char *vnc_listen = NULL, *vnc_pass = NULL;
sstabellini@21879 1047 int port = 0, autopass_fd = -1;
sstabellini@21879 1048 char *vnc_bin, *args[] = {
sstabellini@21879 1049 "vncviewer",
sstabellini@21879 1050 NULL, /* hostname:display */
sstabellini@21879 1051 NULL, /* -autopass */
sstabellini@21879 1052 NULL,
sstabellini@21879 1053 };
sstabellini@21879 1054
ian@22164 1055 vnc_port = libxl__xs_read(&gc, XBT_NULL,
ian@22164 1056 libxl__sprintf(&gc,
sstabellini@21879 1057 "/local/domain/%d/console/vnc-port", domid));
sstabellini@21879 1058 if ( vnc_port )
sstabellini@21879 1059 port = atoi(vnc_port) - 5900;
sstabellini@21879 1060
ian@22164 1061 vfb_back = libxl__xs_read(&gc, XBT_NULL,
ian@22164 1062 libxl__sprintf(&gc,
sstabellini@21879 1063 "/local/domain/%d/device/vfb/0/backend", domid));
sstabellini@21879 1064 if ( vfb_back ) {
ian@22164 1065 vnc_listen = libxl__xs_read(&gc, XBT_NULL,
ian@22164 1066 libxl__sprintf(&gc,
sstabellini@21879 1067 "/local/domain/%d/console/vnc-listen", domid));
sstabellini@21879 1068 if ( autopass )
ian@22164 1069 vnc_pass = libxl__xs_read(&gc, XBT_NULL,
ian@22164 1070 libxl__sprintf(&gc,
sstabellini@21879 1071 "/local/domain/%d/console/vnc-pass", domid));
sstabellini@21879 1072 }
sstabellini@21879 1073
sstabellini@21879 1074 if ( NULL == vnc_listen )
sstabellini@21879 1075 vnc_listen = "localhost";
sstabellini@21879 1076
sstabellini@21879 1077 if ( (vnc_bin = getenv("VNCVIEWER")) )
sstabellini@21879 1078 args[0] = vnc_bin;
sstabellini@21879 1079
ian@22164 1080 args[1] = libxl__sprintf(&gc, "%s:%d", vnc_listen, port);
sstabellini@21879 1081
sstabellini@21879 1082 if ( vnc_pass ) {
sstabellini@21879 1083 char tmpname[] = "/tmp/vncautopass.XXXXXX";
sstabellini@21879 1084 autopass_fd = mkstemp(tmpname);
sstabellini@21879 1085 if ( autopass_fd < 0 )
sstabellini@21879 1086 goto skip_autopass;
sstabellini@21879 1087
sstabellini@21879 1088 if ( unlink(tmpname) )
sstabellini@21879 1089 /* should never happen */
ian@22165 1090 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unlink %s failed", tmpname);
sstabellini@21879 1091
sstabellini@21879 1092 if ( libxl_write_exactly(ctx, autopass_fd, vnc_pass, strlen(vnc_pass),
sstabellini@21879 1093 tmpname, "vnc password") ) {
sstabellini@21879 1094 do { close(autopass_fd); } while(errno == EINTR);
sstabellini@21879 1095 goto skip_autopass;
sstabellini@21879 1096 }
sstabellini@21879 1097
sstabellini@21879 1098 args[2] = "-autopass";
sstabellini@21879 1099 }
sstabellini@21879 1100
sstabellini@21879 1101 skip_autopass:
ian@22164 1102 libxl__free_all(&gc);
ian@22164 1103 libxl__exec(autopass_fd, -1, -1, args[0], args);
sstabellini@21879 1104 return 0;
sstabellini@21879 1105 }
sstabellini@21879 1106
ian@22167 1107 static char ** libxl_build_device_model_args_old(libxl__gc *gc,
keir@20462 1108 libxl_device_model_info *info,
keir@20462 1109 libxl_device_nic *vifs,
keir@20462 1110 int num_vifs)
keir@20462 1111 {
keir@20462 1112 int num = 0, i;
keir@20462 1113 flexarray_t *dm_args;
keir@20462 1114 dm_args = flexarray_make(16, 1);
gianni@22023 1115
keir@20462 1116 if (!dm_args)
keir@20462 1117 return NULL;
keir@20462 1118
keir@20516 1119 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 1120 flexarray_set(dm_args, num++, "-d");
keir@20462 1121
ian@22164 1122 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->domid));
keir@20462 1123
keir@20462 1124 if (info->dom_name) {
keir@20516 1125 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 1126 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 1127 }
keir@20462 1128 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 1129 flexarray_set(dm_args, num++, "-vnc");
keir@20462 1130 if (info->vncdisplay) {
keir@20462 1131 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362 1132 flexarray_set(
keir@21362 1133 dm_args, num++,
ian@22164 1134 libxl__sprintf(gc, "%s:%d%s",
keir@21362 1135 info->vnclisten,
keir@21362 1136 info->vncdisplay,
keir@21362 1137 info->vncpasswd ? ",password" : ""));
keir@20462 1138 } else {
ian@22164 1139 flexarray_set(dm_args, num++, libxl__sprintf(gc, "127.0.0.1:%d", info->vncdisplay));
keir@20462 1140 }
keir@20462 1141 } else if (info->vnclisten) {
keir@20462 1142 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 1143 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 1144 } else {
ian@22164 1145 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%s:0", info->vnclisten));
keir@20462 1146 }
keir@20462 1147 } else {
keir@20516 1148 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 1149 }
keir@20462 1150 if (info->vncunused) {
keir@20516 1151 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 1152 }
keir@20462 1153 }
keir@21378 1154 if (info->sdl) {
keir@20516 1155 flexarray_set(dm_args, num++, "-sdl");
stefano@22094 1156 if (!info->opengl) {
keir@20516 1157 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 1158 }
keir@20462 1159 }
keir@20462 1160 if (info->keymap) {
keir@20516 1161 flexarray_set(dm_args, num++, "-k");
keir@20516 1162 flexarray_set(dm_args, num++, info->keymap);
keir@20462 1163 }
keir@20462 1164 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 1165 flexarray_set(dm_args, num++, "-nographic");
keir@20462 1166 }
keir@20462 1167 if (info->serial) {
keir@20516 1168 flexarray_set(dm_args, num++, "-serial");
keir@20516 1169 flexarray_set(dm_args, num++, info->serial);
keir@20462 1170 }
keir@20509 1171 if (info->type == XENFV) {
Ian@21733 1172 int ioemu_vifs = 0;
Ian@21733 1173
keir@20509 1174 if (info->videoram) {
keir@20516 1175 flexarray_set(dm_args, num++, "-videoram");
ian@22164 1176 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->videoram));
keir@20509 1177 }
keir@20509 1178 if (info->stdvga) {
keir@20516 1179 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 1180 }
keir@20509 1181
keir@20509 1182 if (info->boot) {
keir@20516 1183 flexarray_set(dm_args, num++, "-boot");
keir@20516 1184 flexarray_set(dm_args, num++, info->boot);
keir@20509 1185 }
stefano@21890 1186 if (info->usb || info->usbdevice) {
keir@20516 1187 flexarray_set(dm_args, num++, "-usb");
keir@20509 1188 if (info->usbdevice) {
keir@20516 1189 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 1190 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 1191 }
keir@20509 1192 }
Ian@21801 1193 if (info->soundhw) {
Ian@21801 1194 flexarray_set(dm_args, num++, "-soundhw");
Ian@21801 1195 flexarray_set(dm_args, num++, info->soundhw);
Ian@21801 1196 }
keir@20509 1197 if (info->apic) {
keir@20516 1198 flexarray_set(dm_args, num++, "-acpi");
keir@20509 1199 }
keir@21570 1200 if (info->vcpus > 1) {
keir@21570 1201 flexarray_set(dm_args, num++, "-vcpus");
ian@22164 1202 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->vcpus));
keir@21570 1203 }
keir@21570 1204 if (info->vcpu_avail) {
keir@21570 1205 flexarray_set(dm_args, num++, "-vcpu_avail");
ian@22164 1206 flexarray_set(dm_args, num++, libxl__sprintf(gc, "0x%x", info->vcpu_avail));
keir@21570 1207 }
keir@20509 1208 for (i = 0; i < num_vifs; i++) {
keir@20509 1209 if (vifs[i].nictype == NICTYPE_IOEMU) {
ian@22164 1210 char *smac = libxl__sprintf(gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780 1211 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780 1212 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
gianni@22173 1213 char *ifname;
keir@20781 1214 if (!vifs[i].ifname)
gianni@22173 1215 ifname = libxl__sprintf(gc, "tap%d.%d", info->domid, vifs[i].devid);
gianni@22173 1216 else
gianni@22173 1217 ifname = vifs[i].ifname;
keir@20516 1218 flexarray_set(dm_args, num++, "-net");
ian@22164 1219 flexarray_set(dm_args, num++, libxl__sprintf(gc, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780 1220 vifs[i].devid, smac, vifs[i].model));
keir@20516 1221 flexarray_set(dm_args, num++, "-net");
ian@22164 1222 flexarray_set(dm_args, num++, libxl__sprintf(gc, "tap,vlan=%d,ifname=%s,bridge=%s,script=no",
gianni@22173 1223 vifs[i].devid, ifname, vifs[i].bridge));
Ian@21733 1224 ioemu_vifs++;
keir@20509 1225 }
keir@20462 1226 }
Ian@21733 1227 /* If we have no emulated nics, tell qemu not to create any */
Ian@21733 1228 if ( ioemu_vifs == 0 ) {
Ian@21733 1229 flexarray_set(dm_args, num++, "-net");
Ian@21733 1230 flexarray_set(dm_args, num++, "none");
Ian@21733 1231 }
keir@20462 1232 }
keir@20565 1233 if (info->saved_state) {
keir@20565 1234 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 1235 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 1236 }
keir@20509 1237 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 1238 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 1239 flexarray_set(dm_args, num++, "-M");
keir@20509 1240 if (info->type == XENPV)
keir@20516 1241 flexarray_set(dm_args, num++, "xenpv");
keir@20509 1242 else
keir@20516 1243 flexarray_set(dm_args, num++, "xenfv");
keir@20462 1244 flexarray_set(dm_args, num++, NULL);
keir@20462 1245 return (char **) flexarray_contents(dm_args);
keir@20462 1246 }
keir@20462 1247
ian@22167 1248 static char ** libxl_build_device_model_args_new(libxl__gc *gc,
anthony@21989 1249 libxl_device_model_info *info,
anthony@21989 1250 libxl_device_nic *vifs,
anthony@21989 1251 int num_vifs)
anthony@21989 1252 {
anthony@21989 1253 int num = 0, i;
anthony@21989 1254 flexarray_t *dm_args;
anthony@21989 1255 int nb;
anthony@21989 1256 libxl_device_disk *disks;
anthony@21989 1257
anthony@21989 1258 dm_args = flexarray_make(16, 1);
anthony@21989 1259 if (!dm_args)
anthony@21989 1260 return NULL;
anthony@21989 1261
anthony@21989 1262 flexarray_set(dm_args, num++, "qemu-system-xen");
anthony@21989 1263 flexarray_set(dm_args, num++, "-xen-domid");
anthony@21989 1264
ian@22164 1265 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->domid));
anthony@21989 1266
anthony@21989 1267 if (info->dom_name) {
anthony@21989 1268 flexarray_set(dm_args, num++, "-name");
anthony@21989 1269 flexarray_set(dm_args, num++, info->dom_name);
anthony@21989 1270 }
anthony@21989 1271 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
anthony@21989 1272 int display = 0;
anthony@21989 1273 const char *listen = "127.0.0.1";
anthony@21989 1274
anthony@21989 1275 flexarray_set(dm_args, num++, "-vnc");
anthony@21989 1276
anthony@21989 1277 if (info->vncdisplay) {
anthony@21989 1278 display = info->vncdisplay;
anthony@21989 1279 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
anthony@21989 1280 listen = info->vnclisten;
anthony@21989 1281 }
anthony@21989 1282 } else if (info->vnclisten) {
anthony@21989 1283 listen = info->vnclisten;
anthony@21989 1284 }
anthony@21989 1285
anthony@21989 1286 if (strchr(listen, ':') != NULL)
anthony@21989 1287 flexarray_set(dm_args, num++,
ian@22164 1288 libxl__sprintf(gc, "%s%s", listen,
anthony@21989 1289 info->vncunused ? ",to=99" : ""));
anthony@21989 1290 else
anthony@21989 1291 flexarray_set(dm_args, num++,
ian@22164 1292 libxl__sprintf(gc, "%s:%d%s", listen, display,
anthony@21989 1293 info->vncunused ? ",to=99" : ""));
anthony@21989 1294 }
anthony@21989 1295 if (info->sdl) {
anthony@21989 1296 flexarray_set(dm_args, num++, "-sdl");
anthony@21989 1297 }
anthony@21989 1298 if (info->keymap) {
anthony@21989 1299 flexarray_set(dm_args, num++, "-k");
anthony@21989 1300 flexarray_set(dm_args, num++, info->keymap);
anthony@21989 1301 }
anthony@21989 1302 if (info->nographic && (!info->sdl && !info->vnc)) {
anthony@21989 1303 flexarray_set(dm_args, num++, "-nographic");
anthony@21989 1304 }
anthony@21989 1305 if (info->serial) {
anthony@21989 1306 flexarray_set(dm_args, num++, "-serial");
anthony@21989 1307 flexarray_set(dm_args, num++, info->serial);
anthony@21989 1308 }
anthony@21989 1309 if (info->type == XENFV) {
anthony@21989 1310 int ioemu_vifs = 0;
anthony@21989 1311
anthony@21989 1312 if (info->stdvga) {
anthony@21989 1313 flexarray_set(dm_args, num++, "-vga");
anthony@21989 1314 flexarray_set(dm_args, num++, "std");
anthony@21989 1315 }
anthony@21989 1316
anthony@21989 1317 if (info->boot) {
anthony@21989 1318 flexarray_set(dm_args, num++, "-boot");
ian@22164 1319 flexarray_set(dm_args, num++, libxl__sprintf(gc, "order=%s", info->boot));
anthony@21989 1320 }
anthony@21989 1321 if (info->usb || info->usbdevice) {
anthony@21989 1322 flexarray_set(dm_args, num++, "-usb");
anthony@21989 1323 if (info->usbdevice) {
anthony@21989 1324 flexarray_set(dm_args, num++, "-usbdevice");
anthony@21989 1325 flexarray_set(dm_args, num++, info->usbdevice);
anthony@21989 1326 }
anthony@21989 1327 }
anthony@21989 1328 if (info->soundhw) {
anthony@21989 1329 flexarray_set(dm_args, num++, "-soundhw");
anthony@21989 1330 flexarray_set(dm_args, num++, info->soundhw);
anthony@21989 1331 }
anthony@21989 1332 if (!info->apic) {
anthony@21989 1333 flexarray_set(dm_args, num++, "-no-acpi");
anthony@21989 1334 }
anthony@21989 1335 if (info->vcpus > 1) {
anthony@21989 1336 flexarray_set(dm_args, num++, "-smp");
anthony@21989 1337 if (info->vcpu_avail)
ian@22164 1338 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d,maxcpus=%d", info->vcpus, info->vcpu_avail));
anthony@21989 1339 else
ian@22164 1340 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->vcpus));
anthony@21989 1341 }
anthony@21989 1342 for (i = 0; i < num_vifs; i++) {
anthony@21989 1343 if (vifs[i].nictype == NICTYPE_IOEMU) {
ian@22164 1344 char *smac = libxl__sprintf(gc, "%02x:%02x:%02x:%02x:%02x:%02x",
anthony@21989 1345 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
anthony@21989 1346 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
anthony@21989 1347 if (!vifs[i].ifname)
ian@22164 1348 vifs[i].ifname = libxl__sprintf(gc, "tap%d.%d", info->domid, vifs[i].devid);
anthony@21989 1349 flexarray_set(dm_args, num++, "-net");
ian@22164 1350 flexarray_set(dm_args, num++, libxl__sprintf(gc, "nic,vlan=%d,macaddr=%s,model=%s",
anthony@21989 1351 vifs[i].devid, smac, vifs[i].model));
anthony@21989 1352 flexarray_set(dm_args, num++, "-net");
ian@22164 1353 flexarray_set(dm_args, num++, libxl__sprintf(gc, "tap,vlan=%d,ifname=%s,script=no",
anthony@21990 1354 vifs[i].devid, vifs[i].ifname));
anthony@21989 1355 ioemu_vifs++;
anthony@21989 1356 }
anthony@21989 1357 }
anthony@21989 1358 /* If we have no emulated nics, tell qemu not to create any */
anthony@21989 1359 if ( ioemu_vifs == 0 ) {
anthony@21989 1360 flexarray_set(dm_args, num++, "-net");
anthony@21989 1361 flexarray_set(dm_args, num++, "none");
anthony@21989 1362 }
anthony@21989 1363 }
anthony@21989 1364 if (info->saved_state) {
anthony@21989 1365 flexarray_set(dm_args, num++, "-loadvm");
anthony@21989 1366 flexarray_set(dm_args, num++, info->saved_state);
anthony@21989 1367 }
anthony@21989 1368 for (i = 0; info->extra && info->extra[i] != NULL; i++)
anthony@21989 1369 flexarray_set(dm_args, num++, info->extra[i]);
anthony@21989 1370 flexarray_set(dm_args, num++, "-M");
anthony@21989 1371 if (info->type == XENPV)
anthony@21989 1372 flexarray_set(dm_args, num++, "xenpv");
anthony@21989 1373 else
anthony@21989 1374 flexarray_set(dm_args, num++, "xenfv");
anthony@21989 1375
ian@22167 1376 disks = libxl_device_disk_list(libxl__gc_owner(gc), info->domid, &nb);
gianni@22042 1377 for (i; i < nb; i++) {
gianni@22042 1378 if ( disks[i].is_cdrom ) {
anthony@21989 1379 flexarray_set(dm_args, num++, "-cdrom");
gianni@22042 1380 flexarray_set(dm_args, num++, disks[i].physpath);
anthony@21989 1381 }else{
ian@22164 1382 flexarray_set(dm_args, num++, libxl__sprintf(gc, "-%s", disks[i].virtpath));
gianni@22042 1383 flexarray_set(dm_args, num++, disks[i].physpath);
anthony@21989 1384 }
ian@22086 1385 libxl_device_disk_destroy(&disks[i]);
anthony@21989 1386 }
gianni@22023 1387 free(disks);
anthony@21989 1388 flexarray_set(dm_args, num++, NULL);
anthony@21989 1389 return (char **) flexarray_contents(dm_args);
anthony@21989 1390 }
anthony@21989 1391
ian@22167 1392 static char ** libxl_build_device_model_args(libxl__gc *gc,
anthony@21989 1393 libxl_device_model_info *info,
anthony@21989 1394 libxl_device_nic *vifs,
anthony@21989 1395 int num_vifs)
anthony@21989 1396 {
ian@22167 1397 libxl_ctx *ctx = libxl__gc_owner(gc);
anthony@21989 1398 int new_qemu;
anthony@21989 1399
anthony@21989 1400 new_qemu = libxl_check_device_model_version(ctx, info->device_model);
anthony@21989 1401
anthony@21989 1402 if (new_qemu == 1) {
gianni@22023 1403 return libxl_build_device_model_args_new(gc, info, vifs, num_vifs);
anthony@21989 1404 } else {
gianni@22023 1405 return libxl_build_device_model_args_old(gc, info, vifs, num_vifs);
anthony@21989 1406 }
anthony@21989 1407 }
anthony@21989 1408
Ian@22062 1409 static void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834 1410 {
ian@21930 1411 libxl_device_model_starting *starting = for_spawn;
keir@20820 1412 struct xs_handle *xsh;
ian@22285 1413 char *path = NULL, *pid = NULL;
ian@22285 1414 int len;
ian@22285 1415
ian@22285 1416 if (asprintf(&path, "%s/%s", starting->dom_path, "image/device-model-pid") < 0)
ian@22285 1417 goto out;
ian@22285 1418
ian@22285 1419 len = asprintf(&pid, "%d", innerchild);
ian@22285 1420 if (len < 0)
ian@22285 1421 goto out;
ian@22285 1422
keir@20514 1423 /* we mustn't use the parent's handle in the child */
ian@22285 1424 xsh = xs_daemon_open();
ian@22285 1425
ian@22285 1426 xs_write(xsh, XBT_NULL, path, pid, len);
ian@22285 1427
keir@20820 1428 xs_daemon_close(xsh);
ian@22285 1429 out:
ian@22285 1430 free(path);
ian@22285 1431 free(pid);
keir@20514 1432 }
keir@20514 1433
ian@21930 1434 static int libxl_vfb_and_vkb_from_device_model_info(libxl_ctx *ctx,
keir@20542 1435 libxl_device_model_info *info,
keir@20542 1436 libxl_device_vfb *vfb,
keir@20542 1437 libxl_device_vkb *vkb)
keir@20542 1438 {
keir@20542 1439 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 1440 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 1441
keir@20542 1442 vfb->backend_domid = 0;
keir@20542 1443 vfb->devid = 0;
keir@20542 1444 vfb->vnc = info->vnc;
keir@20542 1445 vfb->vnclisten = info->vnclisten;
keir@20542 1446 vfb->vncdisplay = info->vncdisplay;
keir@20542 1447 vfb->vncunused = info->vncunused;
keir@21362 1448 vfb->vncpasswd = info->vncpasswd;
keir@20542 1449 vfb->keymap = info->keymap;
keir@20542 1450 vfb->sdl = info->sdl;
keir@20542 1451 vfb->opengl = info->opengl;
keir@20542 1452
keir@20542 1453 vkb->backend_domid = 0;
keir@20542 1454 vkb->devid = 0;
keir@20542 1455 return 0;
keir@20542 1456 }
keir@20542 1457
ian@21930 1458 static int libxl_write_dmargs(libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 1459 {
ian@22167 1460 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20542 1461 int i;
keir@20542 1462 char *vm_path;
keir@20542 1463 char *dmargs, *path;
keir@20542 1464 int dmargs_size;
keir@20542 1465 struct xs_permissions roperm[2];
keir@20542 1466 xs_transaction_t t;
keir@20542 1467
keir@20542 1468 roperm[0].id = 0;
keir@20542 1469 roperm[0].perms = XS_PERM_NONE;
keir@20542 1470 roperm[1].id = domid;
keir@20542 1471 roperm[1].perms = XS_PERM_READ;
keir@20542 1472
ian@22164 1473 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/vm", guest_domid));
keir@20542 1474
keir@20542 1475 i = 0;
keir@20542 1476 dmargs_size = 0;
keir@20542 1477 while (args[i] != NULL) {
keir@20542 1478 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 1479 i++;
keir@20542 1480 }
keir@20542 1481 dmargs_size++;
keir@20542 1482 dmargs = (char *) malloc(dmargs_size);
keir@20542 1483 i = 1;
keir@20542 1484 dmargs[0] = '\0';
keir@20542 1485 while (args[i] != NULL) {
keir@20542 1486 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 1487 strcat(dmargs, " ");
keir@20542 1488 strcat(dmargs, args[i]);
keir@20542 1489 }
keir@20542 1490 i++;
keir@20542 1491 }
ian@22164 1492 path = libxl__sprintf(&gc, "%s/image/dmargs", vm_path);
keir@20542 1493
keir@20542 1494 retry_transaction:
keir@20542 1495 t = xs_transaction_start(ctx->xsh);
keir@20542 1496 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 1497 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
ian@22164 1498 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 1499 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1500 if (errno == EAGAIN)
keir@20542 1501 goto retry_transaction;
keir@20542 1502 free(dmargs);
ian@22164 1503 libxl__free_all(&gc);
keir@20542 1504 return 0;
keir@20542 1505 }
keir@20542 1506
ian@21930 1507 static int libxl_create_stubdom(libxl_ctx *ctx,
keir@20542 1508 libxl_device_model_info *info,
keir@20542 1509 libxl_device_disk *disks, int num_disks,
keir@20542 1510 libxl_device_nic *vifs, int num_vifs,
keir@20542 1511 libxl_device_vfb *vfb,
keir@20542 1512 libxl_device_vkb *vkb,
keir@20542 1513 libxl_device_model_starting **starting_r)
keir@20542 1514 {
ian@22167 1515 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20843 1516 int i, num_console = 1, ret;
keir@20570 1517 libxl_device_console *console;
keir@20542 1518 libxl_domain_create_info c_info;
keir@20542 1519 libxl_domain_build_info b_info;
keir@20542 1520 libxl_domain_build_state state;
keir@20542 1521 uint32_t domid;
keir@20542 1522 char **args;
keir@20542 1523 struct xs_permissions perm[2];
keir@20542 1524 xs_transaction_t t;
keir@20594 1525 libxl_device_model_starting *dm_starting = 0;
keir@20542 1526
gianni@22023 1527 args = libxl_build_device_model_args(&gc, info, vifs, num_vifs);
gianni@22023 1528 if (!args) {
gianni@22023 1529 ret = ERROR_FAIL;
gianni@22023 1530 goto out;
gianni@22023 1531 }
keir@20542 1532
keir@20542 1533 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 1534 c_info.hvm = 0;
ian@22164 1535 c_info.name = libxl__sprintf(&gc, "%s-dm", libxl__domid_to_name(&gc, info->domid));
gianni@22143 1536
gianni@22143 1537 libxl_uuid_copy(&c_info.uuid, &info->uuid);
keir@20542 1538
keir@20542 1539 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 1540 b_info.max_vcpus = 1;
keir@20542 1541 b_info.max_memkb = 32 * 1024;
keir@20647 1542 b_info.target_memkb = b_info.max_memkb;
ian@22164 1543 b_info.kernel.path = libxl__abs_path(&gc, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
ian@22164 1544 b_info.u.pv.cmdline = libxl__sprintf(&gc, " -d %d", info->domid);
Ian@21848 1545 b_info.u.pv.ramdisk.path = "";
keir@20542 1546 b_info.u.pv.features = "";
keir@20542 1547 b_info.hvm = 0;
keir@20542 1548
keir@20843 1549 ret = libxl_domain_make(ctx, &c_info, &domid);
gianni@22023 1550 if (ret)
gianni@22023 1551 goto out_free;
keir@20843 1552 ret = libxl_domain_build(ctx, &b_info, domid, &state);
gianni@22023 1553 if (ret)
gianni@22023 1554 goto out_free;
keir@20542 1555
keir@20542 1556 libxl_write_dmargs(ctx, domid, info->domid, args);
ian@22164 1557 libxl__xs_write(&gc, XBT_NULL,
ian@22164 1558 libxl__sprintf(&gc, "%s/image/device-model-domid", libxl__xs_get_dompath(&gc, info->domid)),
keir@20843 1559 "%d", domid);
ian@22164 1560 libxl__xs_write(&gc, XBT_NULL,
ian@22164 1561 libxl__sprintf(&gc, "%s/target", libxl__xs_get_dompath(&gc, domid)),
keir@20843 1562 "%d", info->domid);
gianni@21892 1563 ret = xc_domain_set_target(ctx->xch, domid, info->domid);
gianni@21892 1564 if (ret<0) {
ian@22165 1565 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting target domain %d -> %d", domid, info->domid);
gianni@22023 1566 ret = ERROR_FAIL;
gianni@22023 1567 goto out_free;
gianni@21892 1568 }
keir@20542 1569 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 1570
keir@20542 1571 perm[0].id = domid;
keir@20542 1572 perm[0].perms = XS_PERM_NONE;
keir@20542 1573 perm[1].id = info->domid;
keir@20542 1574 perm[1].perms = XS_PERM_READ;
keir@20542 1575 retry_transaction:
keir@20542 1576 t = xs_transaction_start(ctx->xsh);
ian@22164 1577 xs_mkdir(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid));
ian@22164 1578 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
ian@22164 1579 xs_mkdir(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/%d/device/vfs", domid));
ian@22164 1580 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542 1581 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1582 if (errno == EAGAIN)
keir@20542 1583 goto retry_transaction;
keir@20542 1584
keir@20542 1585 for (i = 0; i < num_disks; i++) {
keir@20781 1586 disks[i].domid = domid;
keir@20843 1587 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
gianni@22023 1588 if (ret)
gianni@22023 1589 goto out_free;
keir@20542 1590 }
keir@20542 1591 for (i = 0; i < num_vifs; i++) {
keir@20781 1592 vifs[i].domid = domid;
keir@20843 1593 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
gianni@22023 1594 if (ret)
gianni@22023 1595 goto out_free;
keir@20542 1596 }
keir@20781 1597 vfb->domid = domid;
keir@20843 1598 ret = libxl_device_vfb_add(ctx, domid, vfb);
gianni@22023 1599 if (ret)
gianni@22023 1600 goto out_free;
keir@20781 1601 vkb->domid = domid;
keir@20843 1602 ret = libxl_device_vkb_add(ctx, domid, vkb);
gianni@22023 1603 if (ret)
gianni@22023 1604 goto out_free;
keir@20542 1605
keir@20570 1606 if (info->serial)
keir@20570 1607 num_console++;
keir@20843 1608
ian@22164 1609 console = libxl__calloc(&gc, num_console, sizeof(libxl_device_console));
gianni@22023 1610 if (!console) {
gianni@22023 1611 ret = ERROR_NOMEM;
gianni@22023 1612 goto out_free;
gianni@22023 1613 }
keir@20843 1614
keir@20570 1615 for (i = 0; i < num_console; i++) {
keir@20781 1616 console[i].devid = i;
stefano@22040 1617 console[i].consback = LIBXL_CONSBACK_IOEMU;
keir@20781 1618 console[i].domid = domid;
stefano@22040 1619 if (!i) {
stefano@22040 1620 char *filename;
ian@22164 1621 char *name = libxl__sprintf(&gc, "qemu-dm-%s", libxl_domid_to_name(ctx, info->domid));
stefano@22040 1622 libxl_create_logfile(ctx, name, &filename);
ian@22164 1623 console[i].output = libxl__sprintf(&gc, "file:%s", filename);
keir@20781 1624 console[i].build_state = &state;
stefano@22040 1625 free(filename);
stefano@22040 1626 } else
stefano@22040 1627 console[i].output = "pty";
keir@20843 1628 ret = libxl_device_console_add(ctx, domid, &console[i]);
gianni@22023 1629 if (ret)
gianni@22023 1630 goto out_free;
keir@20570 1631 }
stefano@22040 1632 if (libxl_create_xenpv_qemu(ctx, domid, vfb, &dm_starting) < 0) {
gianni@22023 1633 ret = ERROR_FAIL;
gianni@22023 1634 goto out_free;
keir@20594 1635 }
keir@20594 1636 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
gianni@22023 1637 ret = ERROR_FAIL;
gianni@22023 1638 goto out_free;
keir@20594 1639 }
keir@20542 1640
keir@20542 1641 libxl_domain_unpause(ctx, domid);
keir@20542 1642
keir@20594 1643 if (starting_r) {
gianni@22023 1644 *starting_r = calloc(sizeof(libxl_device_model_starting), 1);
keir@20598 1645 (*starting_r)->domid = info->domid;
ian@22164 1646 (*starting_r)->dom_path = libxl__xs_get_dompath(&gc, info->domid);
keir@20594 1647 (*starting_r)->for_spawn = NULL;
keir@20594 1648 }
keir@20594 1649
gianni@22023 1650 ret = 0;
gianni@22023 1651
gianni@22023 1652 out_free:
keir@20542 1653 free(args);
gianni@22023 1654 out:
ian@22164 1655 libxl__free_all(&gc);
gianni@22023 1656 return ret;
keir@20542 1657 }
keir@20542 1658
ian@21930 1659 int libxl_create_device_model(libxl_ctx *ctx,
keir@20462 1660 libxl_device_model_info *info,
keir@20542 1661 libxl_device_disk *disks, int num_disks,
keir@20514 1662 libxl_device_nic *vifs, int num_vifs,
keir@20514 1663 libxl_device_model_starting **starting_r)
keir@20462 1664 {
ian@22167 1665 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20546 1666 char *path, *logfile;
keir@20514 1667 int logfile_w, null;
keir@20546 1668 int rc;
keir@20462 1669 char **args;
ian@21930 1670 libxl_device_model_starting buf_starting, *p;
keir@21362 1671 xs_transaction_t t;
keir@21362 1672 char *vm_path;
keir@21362 1673 char **pass_stuff;
keir@20514 1674
keir@20542 1675 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 1676 libxl_device_vfb vfb;
keir@20542 1677 libxl_device_vkb vkb;
keir@20542 1678
keir@20542 1679 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
gianni@22023 1680 rc = libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
gianni@22023 1681 goto out;
keir@20542 1682 }
keir@20542 1683
gianni@22023 1684 args = libxl_build_device_model_args(&gc, info, vifs, num_vifs);
gianni@22023 1685 if (!args) {
gianni@22023 1686 rc = ERROR_FAIL;
gianni@22023 1687 goto out;
gianni@22023 1688 }
gianni@22023 1689
ian@22164 1690 path = libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid);
keir@20462 1691 xs_mkdir(ctx->xsh, XBT_NULL, path);
ian@22164 1692 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/disable_pf", path), "%d", !info->xen_platform_pci);
ian@22164 1693
ian@22164 1694 libxl_create_logfile(ctx, libxl__sprintf(&gc, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 1695 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 1696 free(logfile);
keir@20462 1697 null = open("/dev/null", O_RDONLY);
keir@20514 1698
keir@20514 1699 if (starting_r) {
keir@20516 1700 rc = ERROR_NOMEM;
gianni@22023 1701 *starting_r = calloc(sizeof(libxl_device_model_starting), 1);
gianni@22023 1702 if (!*starting_r)
gianni@22023 1703 goto out_close;
keir@20594 1704 p = *starting_r;
ian@22167 1705 p->for_spawn = calloc(sizeof(libxl__spawn_starting), 1);
keir@20594 1706 } else {
keir@20594 1707 p = &buf_starting;
keir@20594 1708 p->for_spawn = NULL;
keir@20594 1709 }
keir@20514 1710
keir@20594 1711 p->domid = info->domid;
ian@22164 1712 p->dom_path = libxl__xs_get_dompath(&gc, info->domid);
gianni@22023 1713 if (!p->dom_path) {
gianni@22023 1714 rc = ERROR_FAIL;
gianni@22023 1715 goto out_close;
gianni@22023 1716 }
keir@20594 1717
keir@21362 1718 if (info->vncpasswd) {
gianni@22023 1719 retry_transaction:
keir@21362 1720 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362 1721 t = xs_transaction_start(ctx->xsh);
ian@22164 1722 vm_path = libxl__xs_read(&gc,t,libxl__sprintf(&gc, "%s/vm", p->dom_path));
keir@21362 1723 if (vm_path) {
keir@21362 1724 /* Now write the vncpassword into it. */
gianni@22258 1725 pass_stuff = libxl__calloc(&gc, 3, sizeof(char *));
keir@21362 1726 pass_stuff[0] = "vncpasswd";
keir@21362 1727 pass_stuff[1] = info->vncpasswd;
ian@22164 1728 libxl__xs_writev(&gc,t,vm_path,pass_stuff);
keir@21362 1729 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362 1730 if (errno == EAGAIN)
keir@21362 1731 goto retry_transaction;
keir@21362 1732 }
keir@21362 1733 }
keir@21362 1734
ian@22164 1735 rc = libxl__spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
gianni@22023 1736 if (rc < 0)
gianni@22023 1737 goto out_close;
keir@20514 1738 if (!rc) { /* inner child */
ian@22164 1739 libxl__exec(null, logfile_w, logfile_w,
Christoph@22266 1740 libxl__abs_path(&gc, info->device_model, libxl_libexec_path()),
keir@21353 1741 args);
keir@20514 1742 }
keir@20514 1743
keir@20514 1744 rc = 0;
gianni@22023 1745
gianni@22023 1746 out_close:
keir@20462 1747 close(null);
keir@20462 1748 close(logfile_w);
gianni@22023 1749 free(args);
gianni@22023 1750 out:
ian@22164 1751 libxl__free_all(&gc);
keir@20514 1752 return rc;
keir@20514 1753 }
keir@20514 1754
ian@21930 1755 int libxl_detach_device_model(libxl_ctx *ctx,
keir@20779 1756 libxl_device_model_starting *starting)
keir@20779 1757 {
keir@20514 1758 int rc;
ian@22164 1759 rc = libxl__spawn_detach(ctx, starting->for_spawn);
gianni@22023 1760 if (starting->for_spawn)
gianni@22023 1761 free(starting->for_spawn);
gianni@22023 1762 free(starting);
keir@20514 1763 return rc;
keir@20514 1764 }
keir@20462 1765
keir@20514 1766
ian@21930 1767 int libxl_confirm_device_model_startup(libxl_ctx *ctx,
keir@20779 1768 libxl_device_model_starting *starting)
keir@20779 1769 {
ian@22164 1770 int problem = libxl__wait_for_device_model(ctx, starting->domid, "running", NULL, NULL);
gianni@21965 1771 int detach;
gianni@21965 1772 if ( !problem )
ian@22164 1773 problem = libxl__spawn_check(ctx, starting->for_spawn);
gianni@21965 1774 detach = libxl_detach_device_model(ctx, starting);
keir@20514 1775 return problem ? problem : detach;
keir@20462 1776 }
keir@20462 1777
keir@20514 1778
keir@20462 1779 /******************************************************************************/
keir@20566 1780
ian@21930 1781 int libxl_device_disk_add(libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1782 {
ian@22167 1783 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 1784 flexarray_t *front;
keir@20462 1785 flexarray_t *back;
keir@20462 1786 char *backend_type;
keir@20462 1787 unsigned int boffset = 0;
keir@20462 1788 unsigned int foffset = 0;
keir@20462 1789 int devid;
ian@22167 1790 libxl__device device;
gianni@22023 1791 int major, minor, rc;
keir@20462 1792
keir@20462 1793 front = flexarray_make(16, 1);
gianni@22023 1794 if (!front) {
gianni@22023 1795 rc = ERROR_NOMEM;
gianni@22023 1796 goto out;
gianni@22023 1797 }
keir@20462 1798 back = flexarray_make(16, 1);
gianni@22023 1799 if (!back) {
gianni@22023 1800 rc = ERROR_NOMEM;
gianni@22023 1801 goto out_free;
gianni@22023 1802 }
keir@20462 1803
ian@22165 1804 backend_type = libxl__device_disk_backend_type_of_phystype(disk->phystype);
ian@22165 1805 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20947 1806 if (devid==-1) {
ian@22165 1807 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Invalid or unsupported"
keir@20947 1808 " virtual disk identifier %s", disk->virtpath);
gianni@22023 1809 rc = ERROR_INVAL;
gianni@22023 1810 goto out_free;
keir@20947 1811 }
keir@20462 1812
keir@20462 1813 device.backend_devid = devid;
keir@20462 1814 device.backend_domid = disk->backend_domid;
keir@20462 1815 device.devid = devid;
keir@20462 1816 device.domid = disk->domid;
keir@20462 1817 device.kind = DEVICE_VBD;
keir@20462 1818
keir@20462 1819 switch (disk->phystype) {
keir@20462 1820 case PHYSTYPE_PHY: {
keir@20462 1821
ian@22165 1822 libxl__device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1823 flexarray_set(back, boffset++, "physical-device");
ian@22164 1824 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%x:%x", major, minor));
keir@20462 1825
keir@20516 1826 flexarray_set(back, boffset++, "params");
keir@20516 1827 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1828
keir@20462 1829 device.backend_kind = DEVICE_VBD;
keir@20462 1830 break;
keir@20462 1831 }
keir@20566 1832 case PHYSTYPE_FILE:
keir@20566 1833 /* let's pretend is tap:aio for the moment */
keir@20566 1834 disk->phystype = PHYSTYPE_AIO;
Christoph@22044 1835 case PHYSTYPE_AIO:
Christoph@22044 1836 case PHYSTYPE_QCOW:
Christoph@22044 1837 case PHYSTYPE_QCOW2:
Christoph@22044 1838 case PHYSTYPE_VHD:
ian@22165 1839 if (libxl__blktap_enabled(&gc)) {
ian@22165 1840 const char *dev = libxl__blktap_devpath(&gc,
Christoph@22044 1841 disk->physpath, disk->phystype);
gianni@22023 1842 if (!dev) {
gianni@22023 1843 rc = ERROR_FAIL;
gianni@22023 1844 goto out_free;
gianni@22023 1845 }
keir@20566 1846 flexarray_set(back, boffset++, "tapdisk-params");
ian@22165 1847 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%s:%s", libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1848 flexarray_set(back, boffset++, "params");
ian@22164 1849 flexarray_set(back, boffset++, libxl__strdup(&gc, dev));
keir@20566 1850 backend_type = "phy";
ian@22165 1851 libxl__device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1852 flexarray_set(back, boffset++, "physical-device");
ian@22164 1853 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%x:%x", major, minor));
keir@20566 1854 device.backend_kind = DEVICE_VBD;
keir@20566 1855
keir@20566 1856 break;
keir@20566 1857 }
keir@20516 1858 flexarray_set(back, boffset++, "params");
ian@22164 1859 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%s:%s",
ian@22165 1860 libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1861
keir@20462 1862 device.backend_kind = DEVICE_TAP;
keir@20462 1863 break;
Christoph@22044 1864
keir@20846 1865 default:
ian@22165 1866 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
gianni@22023 1867 rc = ERROR_INVAL;
gianni@22023 1868 goto out_free;
keir@20462 1869 }
keir@20462 1870
keir@20516 1871 flexarray_set(back, boffset++, "frontend-id");
ian@22164 1872 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", disk->domid));
keir@20516 1873 flexarray_set(back, boffset++, "online");
keir@20516 1874 flexarray_set(back, boffset++, "1");
keir@20516 1875 flexarray_set(back, boffset++, "removable");
ian@22164 1876 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1877 flexarray_set(back, boffset++, "bootable");
ian@22164 1878 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 1879 flexarray_set(back, boffset++, "state");
ian@22164 1880 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 1881 flexarray_set(back, boffset++, "dev");
keir@20516 1882 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1883 flexarray_set(back, boffset++, "type");
keir@20516 1884 flexarray_set(back, boffset++, backend_type);
keir@20516 1885 flexarray_set(back, boffset++, "mode");
keir@20516 1886 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1887
keir@20516 1888 flexarray_set(front, foffset++, "backend-id");
ian@22164 1889 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", disk->backend_domid));
keir@20516 1890 flexarray_set(front, foffset++, "state");
ian@22164 1891 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 1892 flexarray_set(front, foffset++, "virtual-device");
ian@22164 1893 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", devid));
keir@20516 1894 flexarray_set(front, foffset++, "device-type");
keir@20516 1895 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1896
keir@20462 1897 if (0 /* protocol != native*/) {
keir@20516 1898 flexarray_set(front, foffset++, "protocol");
keir@20516 1899 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1900 }
keir@20462 1901
ian@22164 1902 libxl__device_generic_add(ctx, &device,
ian@22164 1903 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 1904 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023 1905
gianni@22023 1906 rc = 0;
gianni@22023 1907
gianni@22023 1908 out_free:
keir@20516 1909 flexarray_free(back);
keir@20516 1910 flexarray_free(front);
gianni@22023 1911 out:
ian@22164 1912 libxl__free_all(&gc);
gianni@22023 1913 return rc;
keir@20462 1914 }
keir@20462 1915
ian@21930 1916 int libxl_device_disk_del(libxl_ctx *ctx,
keir@20626 1917 libxl_device_disk *disk, int wait)
keir@20462 1918 {
ian@22167 1919 libxl__device device;
keir@20626 1920 int devid;
keir@20462 1921
ian@22165 1922 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20626 1923 device.backend_domid = disk->backend_domid;
keir@20626 1924 device.backend_devid = devid;
keir@20626 1925 device.backend_kind =
keir@20626 1926 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1927 device.domid = disk->domid;
keir@20626 1928 device.devid = devid;
keir@20626 1929 device.kind = DEVICE_VBD;
ian@22164 1930 return libxl__device_del(ctx, &device, wait);
keir@20462 1931 }
keir@20462 1932
gianni@22023 1933 char * libxl_device_disk_local_attach(libxl_ctx *ctx, libxl_device_disk *disk)
Ian@21849 1934 {
ian@22167 1935 libxl__gc gc = LIBXL_INIT_GC(ctx);
Christoph@22044 1936 const char *dev = NULL;
Christoph@22044 1937 char *ret;
Ian@21849 1938 int phystype = disk->phystype;
Ian@21849 1939 switch (phystype) {
Ian@21849 1940 case PHYSTYPE_PHY: {
Ian@21849 1941 fprintf(stderr, "attaching PHY disk %s to domain 0\n", disk->physpath);
Ian@21849 1942 dev = disk->physpath;
Ian@21849 1943 break;
Ian@21849 1944 }
Ian@21849 1945 case PHYSTYPE_FILE:
Ian@21849 1946 /* let's pretend is tap:aio for the moment */
Ian@21849 1947 phystype = PHYSTYPE_AIO;
Christoph@22044 1948 case PHYSTYPE_AIO:
Christoph@22044 1949 case PHYSTYPE_QCOW:
Christoph@22044 1950 case PHYSTYPE_QCOW2:
Christoph@22044 1951 case PHYSTYPE_VHD:
ian@22165 1952 if (libxl__blktap_enabled(&gc))
ian@22165 1953 dev = libxl__blktap_devpath(&gc, disk->physpath, phystype);
Ian@21849 1954 break;
Christoph@22044 1955
Ian@21849 1956 default:
ian@22165 1957 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", phystype);
Ian@21849 1958 break;
Ian@21849 1959 }
gianni@22023 1960 ret = strdup(dev);
ian@22164 1961 libxl__free_all(&gc);
gianni@22023 1962 return ret;
Ian@21849 1963 }
Ian@21849 1964
ian@21930 1965 int libxl_device_disk_local_detach(libxl_ctx *ctx, libxl_device_disk *disk)
Ian@21849 1966 {
Ian@21849 1967 /* Nothing to do for PHYSTYPE_PHY. */
Ian@21849 1968
Ian@21849 1969 /*
Ian@21849 1970 * For other device types assume that the blktap2 process is
Ian@21849 1971 * needed by the soon to be started domain and do nothing.
Ian@21849 1972 */
Ian@21849 1973
Ian@21849 1974 return 0;
Ian@21849 1975 }
Ian@21849 1976
keir@20462 1977 /******************************************************************************/
ian@21930 1978 int libxl_device_nic_add(libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1979 {
ian@22167 1980 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462 1981 flexarray_t *front;
keir@20462 1982 flexarray_t *back;
keir@20462 1983 unsigned int boffset = 0;
keir@20462 1984 unsigned int foffset = 0;
ian@22167 1985 libxl__device device;
keir@21407 1986 char *dompath, **l;
gianni@22023 1987 unsigned int nb, rc;
keir@20462 1988
keir@20462 1989 front = flexarray_make(16, 1);
gianni@22023 1990 if (!front) {
gianni@22023 1991 rc = ERROR_NOMEM;
gianni@22023 1992 goto out;
gianni@22023 1993 }
keir@20462 1994 back = flexarray_make(16, 1);
gianni@22023 1995 if (!back) {
gianni@22023 1996 rc = ERROR_NOMEM;
gianni@22023 1997 goto out_free;
gianni@22023 1998 }
keir@20462 1999
keir@21407 2000 if (nic->devid == -1) {
ian@22164 2001 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023 2002 rc = ERROR_FAIL;
gianni@22023 2003 goto out_free;
keir@21407 2004 }
ian@22164 2005 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164 2006 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb))) {
keir@21407 2007 nic->devid = 0;
keir@21407 2008 } else {
keir@21407 2009 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407 2010 }
keir@21407 2011 }
keir@21407 2012
keir@20462 2013 device.backend_devid = nic->devid;
keir@20462 2014 device.backend_domid = nic->backend_domid;
keir@20462 2015 device.backend_kind = DEVICE_VIF;
keir@20462 2016 device.devid = nic->devid;
keir@20462 2017 device.domid = nic->domid;
keir@20462 2018 device.kind = DEVICE_VIF;
keir@20462 2019
keir@20516 2020 flexarray_set(back, boffset++, "frontend-id");
ian@22164 2021 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", nic->domid));
keir@20516 2022 flexarray_set(back, boffset++, "online");
keir@20516 2023 flexarray_set(back, boffset++, "1");
keir@20516 2024 flexarray_set(back, boffset++, "state");
ian@22164 2025 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 2026 flexarray_set(back, boffset++, "script");
keir@20516 2027 flexarray_set(back, boffset++, nic->script);
keir@20516 2028 flexarray_set(back, boffset++, "mac");
ian@22164 2029 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 2030 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 2031 nic->mac[3], nic->mac[4], nic->mac[5]));
Ian@21732 2032 flexarray_set(back, boffset++, "bridge");
ian@22164 2033 flexarray_set(back, boffset++, libxl__strdup(&gc, nic->bridge));
keir@20516 2034 flexarray_set(back, boffset++, "handle");
ian@22164 2035 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", nic->devid));
keir@20462 2036
keir@20516 2037 flexarray_set(front, foffset++, "backend-id");
ian@22164 2038 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", nic->backend_domid));
keir@20516 2039 flexarray_set(front, foffset++, "state");
ian@22164 2040 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 2041 flexarray_set(front, foffset++, "handle");
ian@22164 2042 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", nic->devid));
keir@20516 2043 flexarray_set(front, foffset++, "mac");
ian@22164 2044 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 2045 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 2046 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 2047 if (0 /* protocol != native*/) {
keir@20516 2048 flexarray_set(front, foffset++, "protocol");
keir@20516 2049 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 2050 }
keir@20462 2051
ian@22164 2052 libxl__device_generic_add(ctx, &device,
ian@22164 2053 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 2054 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
keir@20462 2055
keir@20462 2056 /* FIXME: wait for plug */
gianni@22023 2057 rc = 0;
gianni@22023 2058 out_free:
keir@20516 2059 flexarray_free(back);
keir@20516 2060 flexarray_free(front);
gianni@22023 2061 out:
ian@22164 2062 libxl__free_all(&gc);
gianni@22023 2063 return rc;
keir@20462 2064 }
keir@20462 2065
ian@21930 2066 int libxl_device_nic_del(libxl_ctx *ctx,
keir@20626 2067 libxl_device_nic *nic, int wait)
keir@20462 2068 {
ian@22167 2069 libxl__device device;
keir@20462 2070
keir@20626 2071 device.backend_devid = nic->devid;
keir@20626 2072 device.backend_domid = nic->backend_domid;
keir@20626 2073 device.backend_kind = DEVICE_VIF;
keir@20626 2074 device.devid = nic->devid;
keir@20626 2075 device.domid = nic->domid;
keir@20626 2076 device.kind = DEVICE_VIF;
keir@20626 2077
ian@22164 2078 return libxl__device_del(ctx, &device, wait);
keir@20462 2079 }
keir@20462 2080
ian@21930 2081 libxl_nicinfo *libxl_list_nics(libxl_ctx *ctx, uint32_t domid, unsigned int *nb)
keir@21408 2082 {
ian@22167 2083 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21408 2084 char *dompath, *nic_path_fe;
gianni@22009 2085 char **l, **list;
keir@21408 2086 char *val, *tok;
keir@21408 2087 unsigned int nb_nics, i;
keir@21408 2088 libxl_nicinfo *res, *nics;
keir@21408 2089
ian@22164 2090 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023 2091 if (!dompath)
gianni@22023 2092 goto err;
ian@22164 2093 list = l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164 2094 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb_nics);
gianni@22023 2095 if (!l)
gianni@22023 2096 goto err;
gianni@22009 2097 nics = res = calloc(nb_nics, sizeof (libxl_device_nic));
gianni@22023 2098 if (!res)
gianni@22023 2099 goto err;
keir@21408 2100 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
ian@22164 2101 nic_path_fe = libxl__sprintf(&gc, "%s/device/vif/%s", dompath, *l);
keir@21408 2102
gianni@22009 2103 nics->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164 2104 libxl__sprintf(&gc, "%s/backend", nic_path_fe), NULL);
ian@22164 2105 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", nic_path_fe));
keir@21408 2106 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408 2107
keir@21408 2108 nics->devid = strtoul(*l, NULL, 10);
ian@22164 2109 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", nic_path_fe));
keir@21408 2110 nics->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164 2111 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", nic_path_fe));
keir@21408 2112 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408 2113 ++i, tok = strtok(NULL, ":")) {
keir@21408 2114 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408 2115 }
ian@22164 2116 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", nic_path_fe));
keir@21408 2117 nics->evtch = val ? strtol(val, NULL, 10) : -1;
ian@22164 2118 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/tx-ring-ref", nic_path_fe));
keir@21408 2119 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
ian@22164 2120 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/rx-ring-ref", nic_path_fe));
keir@21408 2121 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
gianni@22009 2122 nics->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164 2123 libxl__sprintf(&gc, "%s/frontend", nics->backend), NULL);
ian@22164 2124 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", nics->backend));
keir@21408 2125 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
gianni@22009 2126 nics->script = xs_read(ctx->xsh, XBT_NULL,
ian@22164 2127 libxl__sprintf(&gc, "%s/script", nics->backend), NULL);
keir@21408 2128 }
keir@21408 2129
ian@22164 2130 libxl__free_all(&gc);
keir@21408 2131 return res;
gianni@22023 2132 err:
ian@22164 2133 libxl__free_all(&gc);
gianni@22023 2134 return NULL;
keir@21408 2135 }
keir@21408 2136
keir@21580 2137 /******************************************************************************/
ian@21930 2138 int libxl_device_net2_add(libxl_ctx *ctx, uint32_t domid, libxl_device_net2 *net2)
keir@21580 2139 {
ian@22167 2140 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21580 2141 flexarray_t *front, *back;
keir@21580 2142 unsigned int boffset = 0, foffset = 0;
ian@22167 2143 libxl__device device;
keir@21580 2144 char *dompath, *dom, **l;
keir@21580 2145 unsigned int nb;
gianni@22023 2146 int rc;
keir@21580 2147
keir@21580 2148 front = flexarray_make(16, 1);
gianni@22023 2149 if (!front) {
gianni@22023 2150 rc = ERROR_NOMEM;
gianni@22023 2151 goto err;
gianni@22023 2152 }
keir@21580 2153 back = flexarray_make(16, 1);
gianni@22023 2154 if (!back) {
gianni@22023 2155 rc = ERROR_NOMEM;
gianni@22023 2156 goto err_free;
keir@21580 2157 }
gianni@22023 2158
ian@22164 2159 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023 2160 rc = ERROR_FAIL;
gianni@22023 2161 goto err_free;
gianni@22023 2162 }
ian@22164 2163 dom = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/name", dompath));
keir@21580 2164
keir@21580 2165 if (net2->devid == -1) {
ian@22164 2166 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164 2167 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb))) {
keir@21580 2168 net2->devid = 0;
keir@21580 2169 } else {
keir@21580 2170 net2->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21580 2171 }
keir@21580 2172 }
keir@21580 2173
keir@21580 2174 device.backend_devid = net2->devid;
keir@21580 2175 device.backend_domid = net2->backend_domid;
keir@21580 2176 device.backend_kind = DEVICE_VIF2;
keir@21580 2177 device.devid = net2->devid;
keir@21580 2178 device.domid = net2->domid;
keir@21580 2179 device.kind = DEVICE_VIF2;
keir@21580 2180
keir@21580 2181 flexarray_set(back, boffset++, "domain");
keir@21580 2182 flexarray_set(back, boffset++, dom);
keir@21580 2183 flexarray_set(back, boffset++, "frontend-id");
ian@22164 2184 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->domid));
keir@21580 2185
keir@21580 2186 flexarray_set(back, boffset++, "local-trusted");
ian@22164 2187 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->back_trusted));
keir@21580 2188 flexarray_set(back, boffset++, "mac");
ian@22164 2189 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 2190 net2->back_mac[0], net2->back_mac[1],
keir@21580 2191 net2->back_mac[2], net2->back_mac[3],
keir@21580 2192 net2->back_mac[4], net2->back_mac[5]));
keir@21580 2193
keir@21580 2194 flexarray_set(back, boffset++, "remote-trusted");
ian@22164 2195 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->trusted));
keir@21580 2196 flexarray_set(back, boffset++, "remote-mac");
ian@22164 2197 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 2198 net2->front_mac[0], net2->front_mac[1],
keir@21580 2199 net2->front_mac[2], net2->front_mac[3],
keir@21580 2200 net2->front_mac[4], net2->front_mac[5]));
keir@21580 2201
keir@21580 2202 flexarray_set(back, boffset++, "max-bypasses");
ian@22164 2203 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->max_bypasses));
keir@21580 2204 flexarray_set(back, boffset++, "filter-mac");
ian@22164 2205 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
keir@21580 2206 flexarray_set(back, boffset++, "handle");
ian@22164 2207 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->devid));
keir@21580 2208 flexarray_set(back, boffset++, "online");
keir@21580 2209 flexarray_set(back, boffset++, "1");
keir@21580 2210 flexarray_set(back, boffset++, "state");
keir@21580 2211 flexarray_set(back, boffset++, "1");
keir@21580 2212
keir@21580 2213 flexarray_set(front, foffset++, "backend-id");
ian@22164 2214 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->backend_domid));
keir@21580 2215
keir@21580 2216 flexarray_set(front, foffset++, "local-trusted");
ian@22164 2217 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->trusted));
keir@21580 2218 flexarray_set(front, foffset++, "mac");
ian@22164 2219 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 2220 net2->front_mac[0], net2->front_mac[1],
keir@21580 2221 net2->front_mac[2], net2->front_mac[3],
keir@21580 2222 net2->front_mac[4], net2->front_mac[5]));
keir@21580 2223
keir@21580 2224 flexarray_set(front, foffset++, "remote-trusted");
ian@22164 2225 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->back_trusted));
keir@21580 2226 flexarray_set(front, foffset++, "remote-mac");
ian@22164 2227 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 2228 net2->back_mac[0], net2->back_mac[1],
keir@21580 2229 net2->back_mac[2], net2->back_mac[3],
keir@21580 2230 net2->back_mac[4], net2->back_mac[5]));
keir@21580 2231
keir@21580 2232 flexarray_set(front, foffset++, "filter-mac");
ian@22164 2233 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
keir@21580 2234 flexarray_set(front, foffset++, "state");
keir@21580 2235 flexarray_set(front, foffset++, "1");
keir@21580 2236
ian@22164 2237 libxl__device_generic_add(ctx, &device,
ian@22164 2238 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 2239 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
keir@21580 2240
keir@21580 2241 /* FIXME: wait for plug */
gianni@22023 2242 rc = 0;
gianni@22023 2243 err_free:
keir@21580 2244 flexarray_free(back);
keir@21580 2245 flexarray_free(front);
gianni@22023 2246 err:
ian@22164 2247 libxl__free_all(&gc);
gianni@22023 2248 return rc;
keir@21580 2249 }
keir@21408 2250
ian@21930 2251 libxl_net2info *libxl_device_net2_list(libxl_ctx *ctx, uint32_t domid, unsigned int *nb)
keir@21581 2252 {
ian@22167 2253 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21581 2254 char *dompath, *net2_path_fe;
keir@21581 2255 char **l;
keir@21581 2256 char *val, *tok;
keir@21581 2257 unsigned int nb_net2s, i;
keir@21581 2258 libxl_net2info *res, *net2s;
keir@21581 2259
ian@22164 2260 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023 2261 if (!dompath)
gianni@22023 2262 goto err;
ian@22164 2263 l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164 2264 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb_net2s);
gianni@22023 2265 if (!l)
gianni@22023 2266 goto err;
gianni@22023 2267 res = calloc(nb_net2s, sizeof (libxl_net2info));
gianni@22023 2268 if (!res)
gianni@22023 2269 goto err;
keir@21581 2270 net2s = res;
keir@21581 2271 for (*nb = nb_net2s; nb_net2s > 0; --nb_net2s, ++l, ++net2s) {
ian@22164 2272 net2_path_fe = libxl__sprintf(&gc, "%s/device/vif2/%s", dompath, *l);
ian@22164 2273
ian@22164 2274 net2s->backend = libxl__xs_read(&gc, XBT_NULL,
ian@22164 2275 libxl__sprintf(&gc, "%s/backend", net2_path_fe));
ian@22164 2276 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", net2_path_fe));
keir@21581 2277 net2s->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581 2278
keir@21581 2279 net2s->devid = strtoul(*l, NULL, 10);
ian@22164 2280 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", net2_path_fe));
keir@21581 2281 net2s->state = val ? strtoul(val, NULL, 10) : -1;
keir@21581 2282
ian@22164 2283 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", net2_path_fe));
keir@21581 2284 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581 2285 ++i, tok = strtok(NULL, ":")) {
keir@21581 2286 net2s->mac[i] = strtoul(tok, NULL, 16);
keir@21581 2287 }
ian@22164 2288 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-trusted", net2_path_fe));
keir@21581 2289 net2s->trusted = val ? strtoul(val, NULL, 10) : -1;
keir@21581 2290
ian@22164 2291 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-mac", net2_path_fe));
keir@21581 2292 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581 2293 ++i, tok = strtok(NULL, ":")) {
keir@21581 2294 net2s->back_mac[i] = strtoul(tok, NULL, 16);
keir@21581 2295 }
ian@22164 2296 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/filter-mac", net2_path_fe));
keir@21581 2297 net2s->filter_mac = val ? strtoul(val, NULL, 10) : -1;
keir@21581 2298
ian@22164 2299 net2s->frontend = libxl__xs_read(&gc, XBT_NULL,
ian@22164 2300 libxl__sprintf(&gc, "%s/frontend", net2s->backend));
ian@22164 2301 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", net2s->backend));
keir@21581 2302 net2s->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581 2303 }
keir@21581 2304
ian@22164 2305 libxl__free_all(&gc);
keir@21581 2306 return res;
gianni@22023 2307 err:
ian@22164 2308 libxl__free_all(&gc);
gianni@22023 2309 return NULL;
keir@21581 2310 }
keir@21581 2311
ian@21930 2312 int libxl_device_net2_del(libxl_ctx *ctx, libxl_device_net2 *net2, int wait)
keir@21582 2313 {
ian@22167 2314 libxl__device device;
keir@21582 2315
keir@21582 2316 device.backend_devid = net2->devid;
keir@21582 2317 device.backend_domid = net2->backend_domid;
keir@21582 2318 device.backend_kind = DEVICE_VIF2;
keir@21582 2319 device.devid = net2->devid;
keir@21582 2320 device.domid = net2->domid;
keir@21582 2321 device.kind = DEVICE_VIF2;
keir@21582 2322
ian@22164 2323 return libxl__device_del(ctx, &device, wait);
keir@21582 2324 }
keir@21582 2325
keir@21581 2326
keir@20462 2327 /******************************************************************************/
ian@21930 2328 int libxl_device_console_add(libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 2329 {
ian@22167 2330 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509 2331 flexarray_t *front;
keir@20509 2332 flexarray_t *back;
keir@20509 2333 unsigned int boffset = 0;
keir@20509 2334 unsigned int foffset = 0;
ian@22167 2335 libxl__device device;
gianni@22023 2336 int rc;
keir@20509 2337
keir@20509 2338 front = flexarray_make(16, 1);
gianni@22023 2339 if (!front) {
gianni@22023 2340 rc = ERROR_NOMEM;
gianni@22023 2341 goto out;
gianni@22023 2342 }
keir@20509 2343 back = flexarray_make(16, 1);
gianni@22023 2344 if (!back) {
gianni@22023 2345 rc = ERROR_NOMEM;
gianni@22023 2346 goto out_free;
gianni@22023 2347 }
keir@20509 2348
keir@20509 2349 device.backend_devid = console->devid;
keir@20509 2350 device.backend_domid = console->backend_domid;
keir@20509 2351 device.backend_kind = DEVICE_CONSOLE;
keir@20509 2352 device.devid = console->devid;
keir@20509 2353 device.domid = console->domid;
keir@20509 2354 device.kind = DEVICE_CONSOLE;
keir@20509 2355
keir@20516 2356 flexarray_set(back, boffset++, "frontend-id");
ian@22164 2357 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", console->domid));
keir@20516 2358 flexarray_set(back, boffset++, "online");
keir@20516 2359 flexarray_set(back, boffset++, "1");
keir@20516 2360 flexarray_set(back, boffset++, "state");
ian@22164 2361 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 2362 flexarray_set(back, boffset++, "domain");
ian@22164 2363 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20516 2364 flexarray_set(back, boffset++, "protocol");
keir@20516 2365 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 2366
ian@22273 2367 flexarray_set(front, foffset++, "backend-id");
ian@22273 2368 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", console->backend_domid));
ian@22273 2369 flexarray_set(front, foffset++, "limit");
ian@22273 2370 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", LIBXL_XENCONSOLE_LIMIT));
ian@22273 2371 flexarray_set(front, foffset++, "type");
ian@22273 2372 if (console->consback == LIBXL_CONSBACK_XENCONSOLED)
ian@22273 2373 flexarray_set(front, foffset++, "xenconsoled");
ian@22273 2374 else
ian@22273 2375 flexarray_set(front, foffset++, "ioemu");
ian@22273 2376 flexarray_set(front, foffset++, "output");
ian@22273 2377 flexarray_set(front, foffset++, console->output);
ian@22273 2378
ian@22273 2379 if (device.devid == 0) {
ian@22273 2380 if (console->build_state == NULL) {
ian@22273 2381 rc = ERROR_INVAL;
ian@22273 2382 goto out_free;
ian@22273 2383 }
ian@22273 2384 flexarray_set(front, foffset++, "port");
ian@22273 2385 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%"PRIu32, console->build_state->console_port));
ian@22273 2386 flexarray_set(front, foffset++, "ring-ref");
ian@22273 2387 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%lu", console->build_state->console_mfn));
ian@22273 2388 } else {
stefano@22040 2389 flexarray_set(front, foffset++, "state");
ian@22164 2390 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
stefano@22040 2391 flexarray_set(front, foffset++, "protocol");
stefano@22040 2392 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
stefano@22040 2393 }
keir@20509 2394
ian@22164 2395 libxl__device_generic_add(ctx, &device,
ian@22164 2396 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 2397 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023 2398 rc = 0;
gianni@22023 2399 out_free:
keir@20516 2400 flexarray_free(back);
keir@20516 2401 flexarray_free(front);
gianni@22023 2402 out:
ian@22164 2403 libxl__free_all(&gc);
gianni@22023 2404 return rc;
keir@20509 2405 }
keir@20509 2406
keir@20509 2407 /******************************************************************************/
ian@21930 2408 int libxl_device_vkb_add(libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 2409 {
ian@22167 2410 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509 2411 flexarray_t *front;
keir@20509 2412 flexarray_t *back;
keir@20509 2413 unsigned int boffset = 0;
keir@20509 2414 unsigned int foffset = 0;
ian@22167 2415 libxl__device device;
gianni@22023 2416 int rc;
keir@20509 2417
keir@20509 2418 front = flexarray_make(16, 1);
gianni@22023 2419 if (!front) {
gianni@22023 2420 rc = ERROR_NOMEM;
gianni@22023 2421 goto out;
gianni@22023 2422 }
keir@20509 2423 back = flexarray_make(16, 1);
gianni@22023 2424 if (!back) {
gianni@22023 2425 rc = ERROR_NOMEM;
gianni@22023 2426 goto out_free;
gianni@22023 2427 }
keir@20509 2428
keir@20509 2429 device.backend_devid = vkb->devid;
keir@20509 2430 device.backend_domid = vkb->backend_domid;
keir@20509 2431 device.backend_kind = DEVICE_VKBD;
keir@20509 2432 device.devid = vkb->devid;
keir@20509 2433 device.domid = vkb->domid;
keir@20509 2434 device.kind = DEVICE_VKBD;
keir@20509 2435
keir@20516 2436 flexarray_set(back, boffset++, "frontend-id");
ian@22164 2437 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vkb->domid));
keir@20516 2438 flexarray_set(back, boffset++, "online");
keir@20516 2439 flexarray_set(back, boffset++, "1");
keir@20516 2440 flexarray_set(back, boffset++, "state");
ian@22164 2441 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 2442 flexarray_set(back, boffset++, "domain");
ian@22164 2443 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20509 2444
keir@20516 2445 flexarray_set(front, foffset++, "backend-id");
ian@22164 2446 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", vkb->backend_domid));
keir@20516 2447 flexarray_set(front, foffset++, "state");
ian@22164 2448 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
ian@22164 2449
ian@22164 2450 libxl__device_generic_add(ctx, &device,
ian@22164 2451 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 2452 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023 2453 rc = 0;
gianni@22023 2454 out_free:
keir@20516 2455 flexarray_free(back);
keir@20516 2456 flexarray_free(front);
gianni@22023 2457 out:
ian@22164 2458 libxl__free_all(&gc);
gianni@22023 2459 return rc;
keir@20462 2460 }
keir@20462 2461
ian@21930 2462 int libxl_device_vkb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462 2463 {
keir@20462 2464 return ERROR_NI;
keir@20462 2465 }
keir@20462 2466
ian@21930 2467 int libxl_device_vkb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462 2468 {
keir@20462 2469 return ERROR_NI;
keir@20462 2470 }
keir@20462 2471
ian@21930 2472 libxl_device_disk *libxl_device_disk_list(libxl_ctx *ctx, uint32_t domid, int *num)
keir@20637 2473 {
ian@22167 2474 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20637 2475 char *be_path_tap, *be_path_vbd;
keir@21411 2476 libxl_device_disk *dend, *disks, *ret = NULL;
keir@21411 2477 char **b, **l = NULL;
gianni@22042 2478 unsigned int numl, len;
keir@20637 2479 char *type;
keir@20637 2480
ian@22164 2481 be_path_vbd = libxl__sprintf(&gc, "%s/backend/vbd/%d", libxl__xs_get_dompath(&gc, 0), domid);
ian@22164 2482 be_path_tap = libxl__sprintf(&gc, "%s/backend/tap/%d", libxl__xs_get_dompath(&gc, 0), domid);
ian@22164 2483
ian@22164 2484 b = l = libxl__xs_directory(&gc, XBT_NULL, be_path_vbd, &numl);
keir@20637 2485 if (l) {
keir@21411 2486 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411 2487 disks = ret;
keir@21411 2488 *num = numl;
keir@21411 2489 dend = ret + *num;
keir@21411 2490 for (; disks < dend; ++disks, ++l) {
keir@21411 2491 disks->backend_domid = 0;
keir@21411 2492 disks->domid = domid;
ian@22164 2493 disks->physpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/params", be_path_vbd, *l), &len);
ian@22164 2494 libxl_string_to_phystype(ctx, libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/type", be_path_vbd, *l)), &(disks->phystype));
ian@22164 2495 disks->virtpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/dev", be_path_vbd, *l), &len);
ian@22164 2496 disks->unpluggable = atoi(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/removable", be_path_vbd, *l)));
ian@22164 2497 if (!strcmp(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411 2498 disks->readwrite = 1;
keir@20637 2499 else
keir@21411 2500 disks->readwrite = 0;
ian@22164 2501 type = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/device-type", libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/frontend", be_path_vbd, *l))));
keir@21411 2502 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637 2503 }
keir@20637 2504 }
ian@22164 2505 b = l = libxl__xs_directory(&gc, XBT_NULL, be_path_tap, &numl);
keir@20637 2506 if (l) {
keir@21411 2507 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411 2508 disks = ret + *num;
keir@21411 2509 *num += numl;
keir@21411 2510 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411 2511 disks->backend_domid = 0;
keir@21411 2512 disks->domid = domid;
ian@22164 2513 disks->physpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/params", be_path_tap, *l), &len);
ian@22164 2514 libxl_string_to_phystype(ctx, libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/type", be_path_tap, *l)), &(disks->phystype));
ian@22164 2515 disks->virtpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/dev", be_path_tap, *l), &len);
ian@22164 2516 disks->unpluggable = atoi(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/removable", be_path_tap, *l)));
ian@22164 2517 if (!strcmp(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411 2518 disks->readwrite = 1;
keir@20637 2519 else
keir@21411 2520 disks->readwrite = 0;
ian@22164 2521 type = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/device-type", libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/frontend", be_path_tap, *l))));
keir@21411 2522 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637 2523 }
keir@20637 2524 }
ian@22164 2525 libxl__free_all(&gc);
keir@21411 2526 return ret;
keir@21411 2527 }
keir@21411 2528
ian@21930 2529 int libxl_device_disk_getinfo(libxl_ctx *ctx, uint32_t domid,
keir@21411 2530 libxl_device_disk *disk, libxl_diskinfo *diskinfo)
keir@21411 2531 {
ian@22167 2532 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21411 2533 char *dompath, *diskpath;
keir@21411 2534 char *val;
keir@21411 2535
ian@22164 2536 dompath = libxl__xs_get_dompath(&gc, domid);
ian@22165 2537 diskinfo->devid = libxl__device_disk_dev_number(disk->virtpath);
keir@21411 2538
keir@21411 2539 /* tap devices entries in xenstore are written as vbd devices. */
ian@22164 2540 diskpath = libxl__sprintf(&gc, "%s/device/vbd/%d", dompath, diskinfo->devid);
ian@22059 2541 diskinfo->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164 2542 libxl__sprintf(&gc, "%s/backend", diskpath), NULL);
keir@21411 2543 if (!diskinfo->backend) {
ian@22164 2544 libxl__free_all(&gc);
keir@21411 2545 return ERROR_FAIL;
keir@21411 2546 }
ian@22164 2547 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", diskpath));
keir@21411 2548 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
ian@22164 2549 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", diskpath));
keir@21411 2550 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164 2551 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", diskpath));
keir@21411 2552 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
ian@22164 2553 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/ring-ref", diskpath));
keir@21411 2554 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
ian@22059 2555 diskinfo->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164 2556 libxl__sprintf(&gc, "%s/frontend", diskinfo->backend), NULL);
ian@22164 2557 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", diskinfo->backend));
keir@21411 2558 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411 2559
ian@22164 2560 libxl__free_all(&gc);
keir@21411 2561 return 0;
keir@20637 2562 }
keir@20637 2563
ian@21930 2564 int libxl_cdrom_insert(libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20637 2565 {
keir@20637 2566 int num, i;
keir@20637 2567 uint32_t stubdomid;
keir@20637 2568 libxl_device_disk *disks;
ian@22086 2569 int ret = ERROR_FAIL;
keir@20637 2570
keir@20637 2571 if (!disk->physpath) {
keir@20637 2572 disk->physpath = "";
keir@20637 2573 disk->phystype = PHYSTYPE_PHY;
keir@20637 2574 }
keir@20637 2575 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637 2576 for (i = 0; i < num; i++) {
keir@20637 2577 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637 2578 /* found */
keir@20637 2579 break;
keir@20637 2580 }
keir@20637 2581 if (i == num) {
ian@22165 2582 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Virtual device not found");
ian@22086 2583 goto out;
keir@20637 2584 }
ian@22086 2585
ian@22086 2586 ret = 0;
ian@22086 2587
keir@20637 2588 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 2589 libxl_device_disk_add(ctx, domid, disk);
keir@20637 2590 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637 2591 if (stubdomid) {
keir@20781 2592 disks[i].domid = stubdomid;
keir@20637 2593 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781 2594 disk->domid = stubdomid;
keir@20637 2595 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781 2596 disk->domid = domid;
keir@20637 2597 }
ian@22086 2598 out:
ian@22086 2599 for (i = 0; i < num; i++)
ian@22086 2600 libxl_device_disk_destroy(&disks[i]);
gianni@22023 2601 free(disks);
ian@22086 2602 return ret;
keir@20637 2603 }
keir@20637 2604
keir@20462 2605 /******************************************************************************/
ian@22167 2606 static int libxl_build_xenpv_qemu_args(libxl__gc *gc,
stefano@22040 2607 uint32_t domid,
keir@20509 2608 libxl_device_vfb *vfb,
keir@20860 2609 libxl_device_model_info *info)
keir@20860 2610 {
ian@22167 2611 libxl_ctx *ctx = libxl__gc_owner(gc);
keir@20509 2612 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 2613
stefano@22041 2614 if (vfb != NULL) {
stefano@22041 2615 info->vnc = vfb->vnc;
stefano@22041 2616 if (vfb->vnclisten)
ian@22164 2617 info->vnclisten = libxl__strdup(gc, vfb->vnclisten);
stefano@22041 2618 info->vncdisplay = vfb->vncdisplay;
stefano@22041 2619 info->vncunused = vfb->vncunused;
stefano@22041 2620 if (vfb->vncpasswd)
stefano@22041 2621 info->vncpasswd = vfb->vncpasswd;
stefano@22041 2622 if (vfb->keymap)
ian@22164 2623 info->keymap = libxl__strdup(gc, vfb->keymap);
stefano@22041 2624 info->sdl = vfb->sdl;
stefano@22041 2625 info->opengl = vfb->opengl;
stefano@22041 2626 } else
stefano@22041 2627 info->nographic = 1;
stefano@22040 2628 info->domid = domid;
stefano@22040 2629 info->dom_name = libxl_domid_to_name(ctx, domid);
ian@22164 2630 info->device_model = libxl__abs_path(gc, "qemu-dm", libxl_libexec_path());
keir@20509 2631 info->type = XENPV;
keir@20509 2632 return 0;
keir@20509 2633 }
keir@20509 2634
stefano@22040 2635 int libxl_create_xenpv_qemu(libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb,
ian@21930 2636 libxl_device_model_starting **starting_r)
keir@20509 2637 {
ian@22167 2638 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509 2639 libxl_device_model_info info;
keir@20509 2640
stefano@22040 2641 libxl_build_xenpv_qemu_args(&gc, domid, vfb, &info);
keir@20542 2642 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
ian@22164 2643 libxl__free_all(&gc);
keir@20509 2644 return 0;
keir@20509 2645 }
keir@20509 2646
ian@21930 2647 int libxl_device_vfb_add(libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 2648 {
ian@22167 2649 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509 2650 flexarray_t *front;
keir@20509 2651 flexarray_t *back;
keir@20509 2652 unsigned int boffset = 0;
keir@20509 2653 unsigned int foffset = 0;
ian@22167 2654 libxl__device device;
gianni@22023 2655 int rc;
keir@20509 2656
keir@20509 2657 front = flexarray_make(16, 1);
gianni@22023 2658 if (!front) {
gianni@22023 2659 rc = ERROR_NOMEM;
gianni@22023 2660 goto out;
gianni@22023 2661 }
keir@20509 2662 back = flexarray_make(16, 1);
gianni@22023 2663 if (!back) {
gianni@22023 2664 rc = ERROR_NOMEM;
gianni@22023 2665 goto out_free;
gianni@22023 2666 }
keir@20509 2667
keir@20509 2668 device.backend_devid = vfb->devid;
keir@20509 2669 device.backend_domid = vfb->backend_domid;
keir@20509 2670 device.backend_kind = DEVICE_VFB;
keir@20509 2671 device.devid = vfb->devid;
keir@20509 2672 device.domid = vfb->domid;
keir@20509 2673 device.kind = DEVICE_VFB;
keir@20509 2674
keir@20516 2675 flexarray_set(back, boffset++, "frontend-id");
ian@22164 2676 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->domid));
keir@20516 2677 flexarray_set(back, boffset++, "online");
keir@20516 2678 flexarray_set(back, boffset++, "1");
keir@20516 2679 flexarray_set(back, boffset++, "state");
ian@22164 2680 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516 2681 flexarray_set(back, boffset++, "domain");
ian@22164 2682 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20516 2683 flexarray_set(back, boffset++, "vnc");
ian@22164 2684 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vnc));
keir@20516 2685 flexarray_set(back, boffset++, "vnclisten");
keir@20516 2686 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362 2687 flexarray_set(back, boffset++, "vncpasswd");
keir@21362 2688 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516 2689 flexarray_set(back, boffset++, "vncdisplay");
ian@22164 2690 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vncdisplay));
keir@20516 2691 flexarray_set(back, boffset++, "vncunused");
ian@22164 2692 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vncunused));
keir@20516 2693 flexarray_set(back, boffset++, "sdl");
ian@22164 2694 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->sdl));
keir@20516 2695 flexarray_set(back, boffset++, "opengl");
ian@22164 2696 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->opengl));
keir@20509 2697 if (vfb->xauthority) {
keir@20516 2698 flexarray_set(back, boffset++, "xauthority");
keir@20516 2699 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 2700 }
keir@20509 2701 if (vfb->display) {
keir@20516 2702 flexarray_set(back, boffset++, "display");
keir@20516 2703 flexarray_set(back, boffset++, vfb->display);
keir@20509 2704 }
keir@20509 2705
keir@20516 2706 flexarray_set(front, foffset++, "backend-id");
ian@22164 2707 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", vfb->backend_domid));
keir@20516 2708 flexarray_set(front, foffset++, "state");
ian@22164 2709 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
ian@22164 2710
ian@22164 2711 libxl__device_generic_add(ctx, &device,
ian@22164 2712 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164 2713 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023 2714 rc = 0;
gianni@22023 2715 out_free:
keir@20509 2716 flexarray_free(front);
keir@20509 2717 flexarray_free(back);
gianni@22023 2718 out:
ian@22164 2719 libxl__free_all(&gc);
gianni@22023 2720 return rc;
keir@20462 2721 }
keir@20462 2722
ian@21930 2723 int libxl_device_vfb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462 2724 {
keir@20462 2725 return ERROR_NI;
keir@20462 2726 }
keir@20462 2727
ian@21930 2728 int libxl_device_vfb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462 2729 {
keir@20462 2730 return ERROR_NI;
keir@20462 2731 }
keir@20462 2732
keir@20462 2733 /******************************************************************************/
keir@20482 2734
ian@21930 2735 int libxl_domain_setmaxmem(libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404 2736 {
ian@22167 2737 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21404 2738 char *mem, *endptr;
keir@21404 2739 uint32_t memorykb;
ian@22164 2740 char *dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023 2741 int rc = 1;
gianni@22023 2742
ian@22164 2743 mem = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/memory/target", dompath));
keir@21404 2744 if (!mem) {
ian@22165 2745 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
gianni@22023 2746 goto out;
keir@21404 2747 }
keir@21404 2748 memorykb = strtoul(mem, &endptr, 10);
keir@21404 2749 if (*endptr != '\0') {
ian@22165 2750 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
gianni@22023 2751 goto out;
keir@21404 2752 }
keir@21404 2753
keir@21404 2754 if (max_memkb < memorykb) {
ian@22165 2755 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
gianni@22023 2756 goto out;
keir@21404 2757 }
keir@21404 2758
gianni@22023 2759 rc = 0;
gianni@22023 2760 out:
ian@22164 2761 libxl__free_all(&gc);
gianni@22023 2762 return rc;
keir@21404 2763 }
keir@21404 2764
stefano@22244 2765 static int libxl__fill_dom0_memory_info(libxl__gc *gc, uint32_t *target_memkb)
stefano@22244 2766 {
stefano@22244 2767 int rc;
stefano@22244 2768 libxl_dominfo info;
stefano@22245 2769 libxl_physinfo physinfo;
stefano@22244 2770 char *target = NULL, *endptr = NULL;
stefano@22244 2771 char *target_path = "/local/domain/0/memory/target";
stefano@22244 2772 char *max_path = "/local/domain/0/memory/static-max";
stefano@22245 2773 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22244 2774 xs_transaction_t t;
stefano@22244 2775 libxl_ctx *ctx = libxl__gc_owner(gc);
stefano@22256 2776 uint32_t free_mem_slack = 0;
stefano@22244 2777
stefano@22244 2778 retry_transaction:
stefano@22244 2779 t = xs_transaction_start(ctx->xsh);
stefano@22244 2780
stefano@22244 2781 target = libxl__xs_read(gc, t, target_path);
stefano@22244 2782 if (target) {
stefano@22244 2783 *target_memkb = strtoul(target, &endptr, 10);
stefano@22244 2784 if (*endptr != '\0') {
stefano@22244 2785 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2786 "invalid memory target %s from %s\n", target, target_path);
stefano@22244 2787 rc = ERROR_FAIL;
stefano@22244 2788 goto out;
stefano@22244 2789 }
stefano@22244 2790 rc = 0;
stefano@22244 2791 goto out;
stefano@22244 2792 }
stefano@22244 2793
stefano@22244 2794 rc = libxl_domain_info(ctx, &info, 0);
stefano@22244 2795 if (rc < 0)
stefano@22244 2796 return rc;
stefano@22244 2797
stefano@22245 2798 rc = libxl_get_physinfo(ctx, &physinfo);
stefano@22245 2799 if (rc < 0)
stefano@22245 2800 return rc;
stefano@22245 2801
stefano@22244 2802 libxl__xs_write(gc, t, target_path, "%"PRIu32,
stefano@22244 2803 (uint32_t) info.current_memkb);
stefano@22244 2804 libxl__xs_write(gc, t, max_path, "%"PRIu32,
stefano@22244 2805 (uint32_t) info.max_memkb);
stefano@22256 2806
stefano@22256 2807 free_mem_slack = (uint32_t) (PAGE_TO_MEMKB(physinfo.total_pages) -
stefano@22256 2808 info.current_memkb);
stefano@22256 2809 /* From empirical measurements the free_mem_slack shouldn't be more
stefano@22256 2810 * than 15% of the total memory present on the system. */
stefano@22256 2811 if (free_mem_slack > PAGE_TO_MEMKB(physinfo.total_pages) * 0.15)
stefano@22256 2812 free_mem_slack = PAGE_TO_MEMKB(physinfo.total_pages) * 0.15;
stefano@22256 2813 libxl__xs_write(gc, t, free_mem_slack_path, "%"PRIu32, free_mem_slack);
stefano@22244 2814
stefano@22244 2815 *target_memkb = (uint32_t) info.current_memkb;
stefano@22244 2816 rc = 0;
stefano@22244 2817
stefano@22244 2818 out:
stefano@22244 2819 if (!xs_transaction_end(ctx->xsh, t, 0))
stefano@22244 2820 if (errno == EAGAIN)
stefano@22244 2821 goto retry_transaction;
stefano@22244 2822
stefano@22244 2823
stefano@22244 2824 return rc;
stefano@22244 2825 }
stefano@22244 2826
stefano@22245 2827 /* returns how much memory should be left free in the system */
stefano@22245 2828 static int libxl__get_free_memory_slack(libxl__gc *gc, uint32_t *free_mem_slack)
stefano@22245 2829 {
stefano@22245 2830 int rc;
stefano@22245 2831 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22245 2832 char *free_mem_slack_s, *endptr;
stefano@22245 2833 uint32_t target_memkb;
stefano@22245 2834
stefano@22245 2835 retry:
stefano@22245 2836 free_mem_slack_s = libxl__xs_read(gc, XBT_NULL, free_mem_slack_path);
stefano@22245 2837 if (!free_mem_slack_s) {
stefano@22245 2838 rc = libxl__fill_dom0_memory_info(gc, &target_memkb);
stefano@22245 2839 if (rc < 0)
stefano@22245 2840 return rc;
stefano@22245 2841 goto retry;
stefano@22245 2842 } else {
stefano@22245 2843 *free_mem_slack = strtoul(free_mem_slack_s, &endptr, 10);
stefano@22245 2844 if (*endptr != '\0') {
stefano@22245 2845 LIBXL__LOG_ERRNO(gc->owner, LIBXL__LOG_ERROR,
stefano@22245 2846 "invalid free_mem_slack %s from %s\n",
stefano@22245 2847 free_mem_slack_s, free_mem_slack_path);
stefano@22245 2848 return ERROR_FAIL;
stefano@22245 2849 }
stefano@22245 2850 }
stefano@22245 2851 return 0;
stefano@22245 2852 }
stefano@22245 2853
stefano@22244 2854 int libxl_set_memory_target(libxl_ctx *ctx, uint32_t domid,
stefano@22244 2855 int32_t target_memkb, int relative, int enforce)
keir@20647 2856 {
ian@22167 2857 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22243 2858 int rc = 1, abort = 0;
stefano@22244 2859 uint32_t memorykb = 0, videoram = 0;
stefano@22244 2860 uint32_t current_target_memkb = 0, new_target_memkb = 0;
stefano@22244 2861 char *memmax, *endptr, *videoram_s = NULL, *target = NULL;
ian@22164 2862 char *dompath = libxl__xs_get_dompath(&gc, domid);
keir@21374 2863 xc_domaininfo_t info;
ian@21930 2864 libxl_dominfo ptr;
keir@21374 2865 char *uuid;
stefano@22243 2866 xs_transaction_t t;
stefano@22243 2867
stefano@22243 2868 retry_transaction:
stefano@22243 2869 t = xs_transaction_start(ctx->xsh);
stefano@22243 2870
stefano@22244 2871 target = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244 2872 "%s/memory/target", dompath));
stefano@22244 2873 if (!target && !domid) {
stefano@22244 2874 xs_transaction_end(ctx->xsh, t, 1);
stefano@22244 2875 rc = libxl__fill_dom0_memory_info(&gc, &current_target_memkb);
stefano@22244 2876 if (rc < 0) {
stefano@22244 2877 abort = 1;
stefano@22244 2878 goto out;
stefano@22244 2879 }
stefano@22244 2880 goto retry_transaction;
stefano@22244 2881 } else if (!target) {
stefano@22244 2882 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2883 "cannot get target memory info from %s/memory/target\n",
stefano@22244 2884 dompath);
stefano@22244 2885 abort = 1;
stefano@22244 2886 goto out;
stefano@22244 2887 } else {
stefano@22244 2888 current_target_memkb = strtoul(target, &endptr, 10);
stefano@22244 2889 if (*endptr != '\0') {
ian@22165 2890 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2891 "invalid memory target %s from %s/memory/target\n",
stefano@22244 2892 target, dompath);
stefano@22243 2893 abort = 1;
gianni@22023 2894 goto out;
keir@21405 2895 }
keir@21405 2896 }
stefano@22244 2897 memmax = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244 2898 "%s/memory/static-max", dompath));
stefano@22244 2899 if (!memmax) {
stefano@22244 2900 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2901 "cannot get memory info from %s/memory/static-max\n",
stefano@22244 2902 dompath);
stefano@22244 2903 abort = 1;
stefano@22244 2904 goto out;
stefano@22244 2905 }
stefano@22244 2906 memorykb = strtoul(memmax, &endptr, 10);
stefano@22244 2907 if (*endptr != '\0') {
stefano@22244 2908 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2909 "invalid max memory %s from %s/memory/static-max\n",
stefano@22244 2910 memmax, dompath);
stefano@22244 2911 abort = 1;
stefano@22244 2912 goto out;
stefano@22244 2913 }
stefano@22246 2914 if (!domid && new_target_memkb < LIBXL_MIN_DOM0_MEM) {
stefano@22246 2915 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
stefano@22246 2916 "new target for dom0 is below the minimum threshold\n");
stefano@22246 2917 abort = 1;
stefano@22246 2918 goto out;
stefano@22246 2919 }
stefano@22244 2920
stefano@22244 2921 if (relative)
stefano@22244 2922 new_target_memkb = current_target_memkb + target_memkb;
stefano@22244 2923 else
stefano@22244 2924 new_target_memkb = target_memkb;
stefano@22244 2925 if (new_target_memkb > memorykb) {
stefano@22244 2926 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
stefano@22244 2927 "memory_dynamic_max must be less than or equal to"
stefano@22244 2928 " memory_static_max\n");
stefano@22244 2929 abort = 1;
stefano@22244 2930 goto out;
stefano@22244 2931 }
stefano@22244 2932
stefano@22244 2933 videoram_s = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244 2934 "%s/memory/videoram", dompath));
stefano@22244 2935 videoram = videoram_s ? atoi(videoram_s) : 0;
stefano@22244 2936
stefano@22244 2937 if (enforce) {
stefano@22244 2938 memorykb = new_target_memkb;
stefano@22244 2939 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb +
stefano@22244 2940 LIBXL_MAXMEM_CONSTANT);
stefano@22244 2941 if (rc != 0) {
stefano@22244 2942 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2943 "xc_domain_setmaxmem domid=%d memkb=%d failed "
stefano@22244 2944 "rc=%d\n", domid, memorykb + LIBXL_MAXMEM_CONSTANT, rc);
stefano@22244 2945 abort = 1;
stefano@22244 2946 goto out;
stefano@22244 2947 }
stefano@22244 2948 }
stefano@22244 2949
stefano@22251 2950 new_target_memkb -= videoram;
stefano@22244 2951 rc = xc_domain_memory_set_pod_target(ctx->xch, domid,
stefano@22251 2952 new_target_memkb / 4, NULL, NULL, NULL);
stefano@22243 2953 if (rc != 0) {
stefano@22243 2954 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22243 2955 "xc_domain_memory_set_pod_target domid=%d, memkb=%d "
stefano@22251 2956 "failed rc=%d\n", domid, new_target_memkb / 4,
stefano@22243 2957 rc);
stefano@22243 2958 abort = 1;
stefano@22243 2959 goto out;
stefano@22243 2960 }
stefano@22243 2961
stefano@22244 2962 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "%s/memory/target",
stefano@22244 2963 dompath), "%"PRIu32, new_target_memkb);
keir@21374 2964 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
stefano@22243 2965 if (rc != 1 || info.domain != domid) {
stefano@22243 2966 abort = 1;
gianni@22023 2967 goto out;
stefano@22243 2968 }
keir@21374 2969 xcinfo2xlinfo(&info, &ptr);
ian@22164 2970 uuid = libxl__uuid2string(&gc, ptr.uuid);
stefano@22244 2971 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "/vm/%s/memory", uuid),
stefano@22244 2972 "%"PRIu32, new_target_memkb / 1024);
gianni@22023 2973
gianni@22023 2974 out:
stefano@22243 2975 if (!xs_transaction_end(ctx->xsh, t, abort) && !abort)
stefano@22243 2976 if (errno == EAGAIN)
stefano@22243 2977 goto retry_transaction;
stefano@22243 2978
ian@22164 2979 libxl__free_all(&gc);
keir@20647 2980 return rc;
keir@20647 2981 }
keir@20875 2982
stefano@22244 2983 int libxl_get_memory_target(libxl_ctx *ctx, uint32_t domid, uint32_t *out_target)
stefano@22244 2984 {
stefano@22244 2985 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22244 2986 int rc = 1;
stefano@22244 2987 char *target = NULL, *endptr = NULL;
stefano@22244 2988 char *dompath = libxl__xs_get_dompath(&gc, domid);
stefano@22244 2989 uint32_t target_memkb;
stefano@22244 2990
stefano@22244 2991 target = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc,
stefano@22244 2992 "%s/memory/target", dompath));
stefano@22244 2993 if (!target && !domid) {
stefano@22244 2994 rc = libxl__fill_dom0_memory_info(&gc, &target_memkb);
stefano@22244 2995 if (rc < 0)
stefano@22244 2996 goto out;
stefano@22244 2997 } else if (!target) {
stefano@22244 2998 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 2999 "cannot get target memory info from %s/memory/target\n",
stefano@22244 3000 dompath);
stefano@22244 3001 goto out;
stefano@22244 3002 } else {
stefano@22244 3003 target_memkb = strtoul(target, &endptr, 10);
stefano@22244 3004 if (*endptr != '\0') {
stefano@22244 3005 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244 3006 "invalid memory target %s from %s/memory/target\n",
stefano@22244 3007 target, dompath);
stefano@22244 3008 goto out;
stefano@22244 3009 }
stefano@22244 3010 }
stefano@22244 3011 *out_target = target_memkb;
stefano@22244 3012 rc = 0;
stefano@22244 3013
stefano@22244 3014 out:
stefano@22244 3015 libxl__free_all(&gc);
stefano@22244 3016 return rc;
stefano@22244 3017 }
stefano@22244 3018
stefano@22245 3019 int libxl_domain_need_memory(libxl_ctx *ctx, libxl_domain_build_info *b_info,
stefano@22245 3020 libxl_device_model_info *dm_info, uint32_t *need_memkb)
stefano@22245 3021 {
stefano@22245 3022 *need_memkb = b_info->target_memkb;
stefano@22245 3023 if (b_info->hvm) {
stefano@22245 3024 *need_memkb += b_info->shadow_memkb + LIBXL_HVM_EXTRA_MEMORY;
stefano@22245 3025 if (strstr(dm_info->device_model, "stubdom-dm"))
stefano@22245 3026 *need_memkb += 32 * 1024;
stefano@22245 3027 } else
stefano@22245 3028 *need_memkb += LIBXL_PV_EXTRA_MEMORY;
stefano@22245 3029 if (*need_memkb % (2 * 1024))
stefano@22245 3030 *need_memkb += (2 * 1024) - (*need_memkb % (2 * 1024));
stefano@22245 3031 return 0;
stefano@22245 3032 }
stefano@22245 3033
stefano@22245 3034 int libxl_get_free_memory(libxl_ctx *ctx, uint32_t *memkb)
stefano@22245 3035 {
stefano@22245 3036 int rc = 0;
stefano@22245 3037 libxl_physinfo info;
stefano@22245 3038 uint32_t freemem_slack;
stefano@22245 3039 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245 3040
stefano@22245 3041 rc = libxl_get_physinfo(ctx, &info);
stefano@22245 3042 if (rc < 0)
stefano@22245 3043 goto out;
stefano@22245 3044 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245 3045 if (rc < 0)
stefano@22245 3046 goto out;
stefano@22245 3047
stefano@22245 3048 if ((info.free_pages + info.scrub_pages) * 4 > freemem_slack)
stefano@22245 3049 *memkb = (info.free_pages + info.scrub_pages) * 4 - freemem_slack;
stefano@22245 3050 else
stefano@22245 3051 *memkb = 0;
stefano@22245 3052
stefano@22245 3053 out:
stefano@22245 3054 libxl__free_all(&gc);
stefano@22245 3055 return rc;
stefano@22245 3056 }
stefano@22245 3057
stefano@22245 3058 int libxl_wait_for_free_memory(libxl_ctx *ctx, uint32_t domid, uint32_t
stefano@22245 3059 memory_kb, int wait_secs)
stefano@22245 3060 {
stefano@22245 3061 int rc = 0;
stefano@22245 3062 libxl_physinfo info;
stefano@22245 3063 uint32_t freemem_slack;
stefano@22245 3064 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245 3065
stefano@22245 3066 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245 3067 if (rc < 0)
stefano@22245 3068 goto out;
stefano@22245 3069 while (wait_secs > 0) {
stefano@22245 3070 rc = libxl_get_physinfo(ctx, &info);
stefano@22245 3071 if (rc < 0)
stefano@22245 3072 goto out;
stefano@22245 3073 if (info.free_pages * 4 - freemem_slack >= memory_kb) {
stefano@22245 3074 rc = 0;
stefano@22245 3075 goto out;
stefano@22245 3076 }
stefano@22245 3077 wait_secs--;
stefano@22245 3078 sleep(1);
stefano@22245 3079 }
stefano@22245 3080 rc = ERROR_NOMEM;
stefano@22245 3081
stefano@22245 3082 out:
stefano@22245 3083 libxl__free_all(&gc);
stefano@22245 3084 return rc;
stefano@22245 3085 }
stefano@22245 3086
stefano@22245 3087 int libxl_wait_for_memory_target(libxl_ctx *ctx, uint32_t domid, int wait_secs)
stefano@22245 3088 {
stefano@22245 3089 int rc = 0;
stefano@22245 3090 uint32_t target_memkb = 0;
stefano@22245 3091 libxl_dominfo info;
stefano@22245 3092
stefano@22245 3093 do {
stefano@22245 3094 wait_secs--;
stefano@22245 3095 sleep(1);
stefano@22245 3096
stefano@22245 3097 rc = libxl_get_memory_target(ctx, domid, &target_memkb);
stefano@22245 3098 if (rc < 0)
stefano@22245 3099 goto out;
stefano@22245 3100
stefano@22245 3101 rc = libxl_domain_info(ctx, &info, domid);
stefano@22245 3102 if (rc < 0)
stefano@22245 3103 return rc;
stefano@22245 3104 } while (wait_secs > 0 && info.current_memkb > target_memkb);
stefano@22245 3105
stefano@22245 3106 if (info.current_memkb <= target_memkb)
stefano@22245 3107 rc = 0;
stefano@22245 3108 else
stefano@22245 3109 rc = ERROR_FAIL;
stefano@22245 3110
stefano@22245 3111 out:
stefano@22245 3112 return 0;
stefano@22245 3113 }
stefano@22245 3114
ian@21930 3115 int libxl_button_press(libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875 3116 {
keir@20875 3117 int rc = -1;
keir@20875 3118
keir@20875 3119 switch (button) {
keir@20875 3120 case POWER_BUTTON:
keir@20875 3121 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875 3122 break;
keir@20875 3123 case SLEEP_BUTTON:
keir@20875 3124 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875 3125 break;
keir@20875 3126 default:
keir@20875 3127 break;
keir@20875 3128 }
keir@20875 3129
keir@20875 3130 return rc;
keir@20875 3131 }
keir@21141 3132
ian@21930 3133 int libxl_get_physinfo(libxl_ctx *ctx, libxl_physinfo *physinfo)
keir@21141 3134 {
keir@21141 3135 xc_physinfo_t xcphysinfo = { 0 };
keir@21141 3136 int rc;
keir@21141 3137
keir@21141 3138 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141 3139 if (rc != 0) {
ian@22165 3140 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting physinfo");
gianni@21892 3141 return ERROR_FAIL;
keir@21141 3142 }
keir@21141 3143 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141 3144 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142 3145 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141 3146 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141 3147 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141 3148 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141 3149 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141 3150 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264 3151 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264 3152 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264 3153 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264 3154
keir@21141 3155 return 0;
keir@21141 3156 }
keir@21141 3157
ian@21930 3158 const libxl_version_info* libxl_get_version_info(libxl_ctx *ctx)
keir@21266 3159 {
keir@21266 3160 union {
keir@21266 3161 xen_extraversion_t xen_extra;
keir@21266 3162 xen_compile_info_t xen_cc;
keir@21266 3163 xen_changeset_info_t xen_chgset;
keir@21266 3164 xen_capabilities_info_t xen_caps;
keir@21266 3165 xen_platform_parameters_t p_parms;
keir@21266 3166 xen_commandline_t xen_commandline;
keir@21266 3167 } u;
keir@21266 3168 long xen_version;
keir@21266 3169 libxl_version_info *info = &ctx->version_info;
keir@21266 3170
keir@21266 3171 if (info->xen_version_extra != NULL)
keir@21266 3172 return info;
keir@21266 3173
keir@21266 3174 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266 3175 info->xen_version_major = xen_version >> 16;
keir@21266 3176 info->xen_version_minor = xen_version & 0xFF;
gianni@22008 3177
keir@21266 3178 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
gianni@22008 3179 info->xen_version_extra = strdup(u.xen_extra);
keir@21266 3180
keir@21266 3181 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
gianni@22008 3182 info->compiler = strdup(u.xen_cc.compiler);
gianni@22008 3183 info->compile_by = strdup(u.xen_cc.compile_by);
gianni@22008 3184 info->compile_domain = strdup(u.xen_cc.compile_domain);
gianni@22008 3185 info->compile_date = strdup(u.xen_cc.compile_date);
keir@21266 3186
keir@21266 3187 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
gianni@22008 3188 info->capabilities = strdup(u.xen_caps);
keir@21266 3189
keir@21266 3190 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
gianni@22008 3191 info->changeset = strdup(u.xen_chgset);
keir@21266 3192
keir@21266 3193 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266 3194 info->virt_start = u.p_parms.virt_start;
keir@21266 3195
keir@21266 3196 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266 3197
keir@21266 3198 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
gianni@22008 3199 info->commandline = strdup(u.xen_commandline);
keir@21266 3200
keir@21266 3201 return info;
keir@21266 3202 }
keir@21266 3203
ian@21930 3204 libxl_vcpuinfo *libxl_list_vcpu(libxl_ctx *ctx, uint32_t domid,
sstabellini@22000 3205 int *nb_vcpu, int *nrcpus)
keir@21141 3206 {
ian@21930 3207 libxl_vcpuinfo *ptr, *ret;
keir@21141 3208 xc_domaininfo_t domaininfo;
keir@21141 3209 xc_vcpuinfo_t vcpuinfo;
keir@21141 3210 xc_physinfo_t physinfo = { 0 };
gianni@22015 3211 unsigned num_cpuwords;
keir@21141 3212
keir@21141 3213 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
ian@22165 3214 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting infolist");
keir@21141 3215 return NULL;
keir@21141 3216 }
keir@21141 3217 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
ian@22165 3218 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting physinfo");
keir@21141 3219 return NULL;
keir@21141 3220 }
sstabellini@22000 3221 *nrcpus = physinfo.max_cpu_id + 1;
gianni@22015 3222 ret = ptr = calloc(domaininfo.max_vcpu_id + 1, sizeof (libxl_vcpuinfo));
keir@21141 3223 if (!ptr) {
keir@21141 3224 return NULL;
keir@21141 3225 }
keir@21141 3226
gianni@22015 3227 num_cpuwords = ((physinfo.max_cpu_id + 64) / 64);
keir@21141 3228 for (*nb_vcpu = 0; *nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
ian@22088 3229 ptr->cpumap = malloc(num_cpuwords * sizeof(*ptr->cpumap));
keir@21141 3230 if (!ptr->cpumap) {
keir@21141 3231 return NULL;
keir@21141 3232 }
keir@21141 3233 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
ian@22165 3234 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu info");
keir@21141 3235 return NULL;
keir@21141 3236 }
sstabellini@22000 3237 if (xc_vcpu_getaffinity(ctx->xch, domid, *nb_vcpu,
sstabellini@22000 3238 ptr->cpumap, ((*nrcpus) + 7) / 8) == -1) {
ian@22165 3239 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu affinity");
keir@21141 3240 return NULL;
keir@21141 3241 }
keir@21141 3242 ptr->vcpuid = *nb_vcpu;
keir@21141 3243 ptr->cpu = vcpuinfo.cpu;
keir@21141 3244 ptr->online = !!vcpuinfo.online;
keir@21141 3245 ptr->blocked = !!vcpuinfo.blocked;
keir@21141 3246 ptr->running = !!vcpuinfo.running;
keir@21141 3247 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141 3248 }
keir@21141 3249 return ret;
keir@21141 3250 }
keir@21142 3251
ian@21930 3252 int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
sstabellini@22000 3253 uint64_t *cpumap, int nrcpus)
keir@21142 3254 {
sstabellini@22000 3255 if (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, (nrcpus + 7) / 8)) {
ian@22165 3256 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting vcpu affinity");
gianni@21892 3257 return ERROR_FAIL;
gianni@21892 3258 }
gianni@21892 3259 return 0;
keir@21142 3260 }
keir@21143 3261
stefano@22121 3262 int libxl_set_vcpuonline(libxl_ctx *ctx, uint32_t domid, uint32_t bitmask)
keir@21143 3263 {
ian@22167 3264 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22121 3265 libxl_dominfo info;
keir@21143 3266 char *dompath;
stefano@22121 3267 xs_transaction_t t;
gianni@22023 3268 int i, rc = ERROR_FAIL;
keir@21143 3269
stefano@22121 3270 if (libxl_domain_info(ctx, &info, domid) < 0) {
ian@22165 3271 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting domain info list");
gianni@22023 3272 goto out;