debuggers.hg

annotate tools/libxl/libxl.c @ 21733:408b0b6768fc

libxl: Specify no nics to qemu when no emulated nics

qemu will default to one emulated NIC if no network configuration is
specified on the command-line. If there are no emualted NICs (i.e.,
no NICs or all NICs are PV), specify no nics to avoid getting an
emulated NIC by default.

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
author Ian Jackson <Ian.Jackson@eu.citrix.com>
date Mon Jun 28 17:13:43 2010 +0100 (2010-06-28)
parents dcb1cd697788
children 5338c61a8d75
rev   line source
keir@20462 1 /*
keir@20462 2 * Copyright (C) 2009 Citrix Ltd.
keir@20462 3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462 4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462 5 *
keir@20462 6 * This program is free software; you can redistribute it and/or modify
keir@20462 7 * it under the terms of the GNU Lesser General Public License as published
keir@20462 8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462 9 * exception on linking described in file LICENSE.
keir@20462 10 *
keir@20462 11 * This program is distributed in the hope that it will be useful,
keir@20462 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462 14 * GNU Lesser General Public License for more details.
keir@20462 15 */
keir@20462 16
keir@20513 17 #include "libxl_osdeps.h"
keir@20513 18
keir@20462 19 #include <stdio.h>
keir@20462 20 #include <string.h>
keir@20462 21 #include <stdlib.h>
keir@20462 22 #include <sys/types.h>
keir@20462 23 #include <fcntl.h>
keir@20462 24 #include <sys/select.h>
keir@20514 25 #include <sys/wait.h>
keir@20462 26 #include <signal.h>
keir@20468 27 #include <unistd.h> /* for write, unlink and close */
keir@20509 28 #include <stdint.h>
keir@20509 29 #include <inttypes.h>
keir@20514 30 #include <assert.h>
keir@20513 31
keir@20462 32 #include "libxl.h"
keir@20462 33 #include "libxl_utils.h"
keir@20462 34 #include "libxl_internal.h"
keir@20462 35 #include "flexarray.h"
keir@21632 36 #include "tap-ctl.h"
keir@20462 37
keir@20860 38 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860 39
keir@21532 40 int libxl_ctx_init(struct libxl_ctx *ctx, int version, xentoollog_logger *lg)
keir@20462 41 {
keir@20788 42 if (version != LIBXL_VERSION)
keir@20788 43 return ERROR_VERSION;
keir@20462 44 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@21532 45 ctx->lg = lg;
keir@20462 46 ctx->alloc_maxsize = 256;
keir@20462 47 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462 48 if (!ctx->alloc_ptrs)
keir@20462 49 return ERROR_NOMEM;
keir@21266 50 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462 51
keir@21532 52 ctx->xch = xc_interface_open(lg,lg,0);
keir@21529 53 if (!ctx->xch) {
keir@21681 54 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21681 55 "cannot open libxc handle");
keir@20819 56 free(ctx->alloc_ptrs);
keir@20819 57 return ERROR_FAIL;
keir@20819 58 }
keir@20819 59
keir@20462 60 ctx->xsh = xs_daemon_open();
keir@20819 61 if (!ctx->xsh) {
keir@21681 62 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21681 63 "cannot connect to xenstore");
keir@20819 64 xc_interface_close(ctx->xch);
keir@20819 65 free(ctx->alloc_ptrs);
keir@20819 66 return ERROR_FAIL;
keir@20819 67 }
keir@20462 68 return 0;
keir@20462 69 }
keir@20462 70
keir@20462 71 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462 72 {
keir@20462 73 libxl_free_all(ctx);
keir@20462 74 free(ctx->alloc_ptrs);
keir@20462 75 xc_interface_close(ctx->xch);
keir@21186 76 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462 77 return 0;
keir@20462 78 }
keir@20462 79
keir@20462 80 /******************************************************************************/
keir@20462 81
keir@20462 82 int libxl_domain_make(struct libxl_ctx *ctx, libxl_domain_create_info *info,
keir@20462 83 uint32_t *domid)
keir@20462 84 {
keir@21184 85 int flags, ret, i, rc;
keir@20468 86 char *uuid_string;
keir@20646 87 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462 88 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646 89 "control", "attr", "messages" };
keir@20462 90 char *dom_path, *vm_path, *vss_path;
keir@20462 91 struct xs_permissions roperm[2];
keir@20462 92 struct xs_permissions rwperm[1];
keir@20462 93 xs_transaction_t t;
keir@20468 94 xen_domain_handle_t handle;
keir@20462 95
keir@21188 96 uuid_string = libxl_uuid2string(ctx, info->uuid);
keir@21188 97 if (!uuid_string) return ERROR_NOMEM;
keir@20462 98
keir@20462 99 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462 100 flags |= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@21274 101 flags |= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824 102 *domid = -1;
keir@20462 103
keir@20580 104 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580 105 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468 106
keir@20468 107 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 108 if (ret < 0) {
keir@20512 109 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462 110 return ERROR_FAIL;
keir@20462 111 }
keir@20462 112
keir@21368 113 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368 114 if (ret < 0) {
keir@21368 115 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain move fail");
keir@21368 116 return ERROR_FAIL;
keir@21368 117 }
keir@21368 118
keir@20462 119 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512 120 if (!dom_path)
keir@20512 121 return ERROR_FAIL;
keir@20512 122
keir@20462 123 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462 124 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512 125 if (!vm_path || !vss_path) {
keir@20462 126 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462 127 return ERROR_FAIL;
keir@20462 128 }
keir@20462 129
keir@20462 130 roperm[0].id = 0;
keir@20462 131 roperm[0].perms = XS_PERM_NONE;
keir@20462 132 roperm[1].id = *domid;
keir@20462 133 roperm[1].perms = XS_PERM_READ;
keir@20462 134 rwperm[0].id = *domid;
keir@20462 135 rwperm[0].perms = XS_PERM_NONE;
keir@20462 136
keir@20462 137 retry_transaction:
keir@20462 138 t = xs_transaction_start(ctx->xsh);
keir@20462 139 xs_rm(ctx->xsh, t, dom_path);
keir@20462 140 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 141 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 142
keir@20462 143 xs_rm(ctx->xsh, t, vm_path);
keir@20462 144 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 145 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 146
keir@20462 147 xs_rm(ctx->xsh, t, vss_path);
keir@20462 148 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462 149 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 150
keir@20462 151 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462 152 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@21184 153 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
keir@21184 154 if (rc) return rc;
keir@20462 155
keir@20462 156 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462 157 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462 158 xs_mkdir(ctx->xsh, t, path);
keir@20462 159 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 160 libxl_free(ctx, path);
keir@20462 161 }
keir@20462 162 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462 163 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462 164 xs_mkdir(ctx->xsh, t, path);
keir@20462 165 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 166 libxl_free(ctx, path);
keir@20462 167 }
keir@20462 168
keir@20462 169 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462 170 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389 171 if (info->poolname)
keir@21389 172 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
keir@20462 173
keir@20462 174 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462 175 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462 176
keir@20462 177 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 178
keir@20462 179 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 180 if (errno == EAGAIN)
keir@20462 181 goto retry_transaction;
keir@20462 182 return 0;
keir@20462 183 }
keir@20462 184
keir@21184 185 int libxl_domain_rename(struct libxl_ctx *ctx, uint32_t domid,
keir@21184 186 const char *old_name, const char *new_name,
keir@21184 187 xs_transaction_t trans) {
keir@21184 188 char *dom_path = 0;
keir@21184 189 const char *name_path;
keir@21184 190 char *got_old_name;
keir@21184 191 unsigned int got_old_len;
keir@21184 192 xs_transaction_t our_trans = 0;
keir@21184 193 int rc;
keir@21184 194
keir@21184 195 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@21184 196 if (!dom_path) goto x_nomem;
keir@21184 197
keir@21184 198 name_path= libxl_sprintf(ctx, "%s/name", dom_path);
keir@21184 199 if (!name_path) goto x_nomem;
keir@21184 200
keir@21184 201 retry_transaction:
keir@21184 202 if (!trans) {
keir@21184 203 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184 204 if (!our_trans) {
keir@21184 205 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21184 206 "create xs transaction for domain (re)name");
keir@21184 207 goto x_fail;
keir@21184 208 }
keir@21184 209 }
keir@21184 210
keir@21184 211 if (old_name) {
keir@21184 212 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184 213 if (!got_old_name) {
keir@21184 214 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno, "check old name"
keir@21184 215 " for domain %"PRIu32" allegedly named `%s'",
keir@21184 216 domid, old_name);
keir@21184 217 goto x_fail;
keir@21184 218 }
keir@21184 219 if (strcmp(old_name, got_old_name)) {
keir@21184 220 XL_LOG(ctx, XL_LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184 221 "`%s' is actually named `%s' - racing ?",
keir@21184 222 domid, old_name, got_old_name);
keir@21184 223 free(got_old_name);
keir@21184 224 goto x_fail;
keir@21184 225 }
keir@21184 226 free(got_old_name);
keir@21184 227 }
keir@21184 228 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184 229 new_name, strlen(new_name))) {
keir@21184 230 XL_LOG(ctx, XL_LOG_ERROR, "failed to write new name `%s'"
keir@21184 231 " for domain %"PRIu32" previously named `%s'",
keir@21531 232 new_name, domid, old_name);
keir@21184 233 goto x_fail;
keir@21184 234 }
keir@21184 235
keir@21184 236 if (our_trans) {
keir@21184 237 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184 238 trans = our_trans = 0;
keir@21184 239 if (errno != EAGAIN) {
keir@21184 240 XL_LOG(ctx, XL_LOG_ERROR, "failed to commit new name `%s'"
keir@21184 241 " for domain %"PRIu32" previously named `%s'",
keir@21531 242 new_name, domid, old_name);
keir@21184 243 goto x_fail;
keir@21184 244 }
keir@21184 245 XL_LOG(ctx, XL_LOG_DEBUG, "need to retry rename transaction"
keir@21184 246 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184 247 domid, name_path, new_name);
keir@21184 248 goto retry_transaction;
keir@21184 249 }
keir@21184 250 our_trans = 0;
keir@21184 251 }
keir@21184 252
keir@21184 253 rc = 0;
keir@21184 254 x_rc:
keir@21184 255 if (dom_path) libxl_free(ctx, dom_path);
keir@21184 256 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
keir@21184 257 return rc;
keir@21184 258
keir@21184 259 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184 260 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184 261 }
keir@21184 262
keir@20516 263 int libxl_domain_build(struct libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 264 {
keir@20462 265 char **vments = NULL, **localents = NULL;
keir@21438 266 struct timeval start_time;
keir@20829 267 int i, ret;
keir@20829 268
keir@20829 269 ret = build_pre(ctx, domid, info, state);
keir@20829 270 if (ret) goto out;
keir@20462 271
keir@21438 272 gettimeofday(&start_time, NULL);
keir@21438 273
keir@20462 274 if (info->hvm) {
keir@20829 275 ret = build_hvm(ctx, domid, info, state);
keir@20829 276 if (ret) goto out;
keir@20829 277
keir@21438 278 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516 279 vments[0] = "rtc/timeoffset";
keir@20516 280 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 281 vments[2] = "image/ostype";
keir@20516 282 vments[3] = "hvm";
keir@21438 283 vments[4] = "start_time";
keir@21438 284 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462 285 } else {
keir@20829 286 ret = build_pv(ctx, domid, info, state);
keir@20829 287 if (ret) goto out;
keir@20829 288
keir@21438 289 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20578 290 i = 0;
keir@20578 291 vments[i++] = "image/ostype";
keir@20578 292 vments[i++] = "linux";
keir@20578 293 vments[i++] = "image/kernel";
keir@20578 294 vments[i++] = (char*) info->kernel;
keir@21438 295 vments[i++] = "start_time";
keir@21438 296 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20578 297 if (info->u.pv.ramdisk) {
keir@20578 298 vments[i++] = "image/ramdisk";
keir@20578 299 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578 300 }
keir@20578 301 if (info->u.pv.cmdline) {
keir@20578 302 vments[i++] = "image/cmdline";
keir@20578 303 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 304 }
keir@20462 305 }
keir@20829 306 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829 307 out:
keir@20829 308 return ret;
keir@20462 309 }
keir@20462 310
keir@20462 311 int libxl_domain_restore(struct libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 312 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 313 libxl_device_model_info *dm_info)
keir@20462 314 {
keir@20462 315 char **vments = NULL, **localents = NULL;
keir@21438 316 struct timeval start_time;
keir@21183 317 int i, ret, esave, flags;
keir@20462 318
keir@20829 319 ret = build_pre(ctx, domid, info, state);
keir@20829 320 if (ret) goto out;
keir@20829 321
keir@20829 322 ret = restore_common(ctx, domid, info, state, fd);
keir@20829 323 if (ret) goto out;
keir@20829 324
keir@21438 325 gettimeofday(&start_time, NULL);
keir@21438 326
keir@20462 327 if (info->hvm) {
keir@21438 328 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516 329 vments[0] = "rtc/timeoffset";
keir@20516 330 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 331 vments[2] = "image/ostype";
keir@20565 332 vments[3] = "hvm";
keir@21438 333 vments[4] = "start_time";
keir@21438 334 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462 335 } else {
keir@21438 336 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20627 337 i = 0;
keir@20627 338 vments[i++] = "image/ostype";
keir@20627 339 vments[i++] = "linux";
keir@20627 340 vments[i++] = "image/kernel";
keir@20627 341 vments[i++] = (char*) info->kernel;
keir@21438 342 vments[i++] = "start_time";
keir@21438 343 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20627 344 if (info->u.pv.ramdisk) {
keir@20627 345 vments[i++] = "image/ramdisk";
keir@20627 346 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627 347 }
keir@20627 348 if (info->u.pv.cmdline) {
keir@20627 349 vments[i++] = "image/cmdline";
keir@20627 350 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 351 }
keir@20462 352 }
keir@20829 353 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829 354 if (ret) goto out;
keir@20829 355
keir@21417 356 dm_info->saved_state = NULL;
keir@21417 357 if (info->hvm) {
keir@21417 358 ret = asprintf(&dm_info->saved_state,
keir@21417 359 "/var/lib/xen/qemu-save.%d", domid);
keir@21417 360 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417 361 }
keir@21417 362
keir@20829 363 out:
keir@21183 364 esave = errno;
keir@21183 365
keir@21183 366 flags = fcntl(fd, F_GETFL);
keir@21183 367 if (flags == -1) {
keir@21183 368 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to get flags on restore fd");
keir@21183 369 } else {
keir@21183 370 flags &= ~O_NONBLOCK;
keir@21183 371 if (fcntl(fd, F_SETFL, flags) == -1)
keir@21183 372 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to put restore fd"
keir@21183 373 " back to blocking mode");
keir@21183 374 }
keir@21183 375
keir@21183 376 errno = esave;
keir@20829 377 return ret;
keir@20462 378 }
keir@20462 379
keir@20629 380 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629 381 {
keir@20629 382 if (is_hvm(ctx, domid)) {
keir@20629 383 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629 384 "non-cooperative hvm domain %u", domid);
keir@20629 385 return ERROR_NI;
keir@20629 386 }
keir@20629 387 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629 388 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 389 "xc_domain_resume failed for domain %u",
keir@20629 390 domid);
keir@20629 391 return ERROR_FAIL;
keir@20629 392 }
keir@20629 393 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629 394 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 395 "xs_resume_domain failed for domain %u",
keir@20629 396 domid);
keir@20629 397 return ERROR_FAIL;
keir@20629 398 }
keir@20629 399 return 0;
keir@20629 400 }
keir@20629 401
keir@21189 402 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
keir@21189 403 struct libxl_dominfo *xlinfo) {
keir@21189 404 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189 405 xlinfo->domid = xcinfo->domain;
keir@21189 406
keir@21189 407 if (xcinfo->flags & XEN_DOMINF_dying)
keir@21189 408 xlinfo->dying = 1;
keir@21189 409 else if (xcinfo->flags & XEN_DOMINF_paused)
keir@21189 410 xlinfo->paused = 1;
keir@21189 411 else if (xcinfo->flags & XEN_DOMINF_blocked ||
keir@21189 412 xcinfo->flags & XEN_DOMINF_running)
keir@21189 413 xlinfo->running = 1;
keir@21189 414 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
keir@21189 415 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189 416 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189 417 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189 418 }
keir@21189 419
keir@20860 420 struct libxl_dominfo * libxl_list_domain(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 421 {
keir@20462 422 struct libxl_dominfo *ptr;
keir@20867 423 int i, ret;
keir@20822 424 xc_domaininfo_t info[1024];
keir@20822 425 int size = 1024;
keir@20462 426
keir@20516 427 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@21189 428 if (!ptr) return NULL;
keir@20822 429
keir@20860 430 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
keir@21189 431 if (ret<0) return NULL;
keir@20784 432
keir@21189 433 for (i = 0; i < ret; i++) {
keir@21189 434 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462 435 }
keir@20867 436 *nb_domain = ret;
keir@20462 437 return ptr;
keir@20462 438 }
keir@20462 439
keir@21189 440 int libxl_domain_info(struct libxl_ctx *ctx, struct libxl_dominfo *info_r,
keir@21189 441 uint32_t domid) {
keir@21189 442 xc_domaininfo_t xcinfo;
keir@21189 443 int ret;
keir@21189 444
keir@21189 445 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
keir@21189 446 if (ret<0) return ERROR_FAIL;
keir@21189 447 if (ret==0 || xcinfo.domain != domid) return ERROR_INVAL;
keir@21189 448
keir@21189 449 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189 450 return 0;
keir@21189 451 }
keir@21189 452
keir@21368 453 struct libxl_poolinfo * libxl_list_pool(struct libxl_ctx *ctx, int *nb_pool)
keir@21368 454 {
keir@21368 455 struct libxl_poolinfo *ptr;
keir@21368 456 int i, ret;
keir@21368 457 xc_cpupoolinfo_t info[256];
keir@21368 458 int size = 256;
keir@21368 459
keir@21368 460 ptr = calloc(size, sizeof(struct libxl_poolinfo));
keir@21368 461 if (!ptr) return NULL;
keir@21368 462
keir@21368 463 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
keir@21368 464 if (ret<0) return NULL;
keir@21368 465
keir@21368 466 for (i = 0; i < ret; i++) {
keir@21368 467 ptr[i].poolid = info[i].cpupool_id;
keir@21368 468 }
keir@21368 469 *nb_pool = ret;
keir@21368 470 return ptr;
keir@21368 471 }
keir@21368 472
keir@20860 473 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
keir@20860 474 struct libxl_vminfo * libxl_list_vm(struct libxl_ctx *ctx, int *nb_vm)
keir@20860 475 {
keir@20860 476 struct libxl_vminfo *ptr;
keir@20860 477 int index, i, ret;
keir@20860 478 xc_domaininfo_t info[1024];
keir@20860 479 int size = 1024;
keir@20860 480
keir@20860 481 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20860 482 if (!ptr)
keir@20860 483 return NULL;
keir@20860 484
keir@20860 485 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
keir@20860 486 for (index = i = 0; i < ret; i++) {
keir@20860 487 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860 488 continue;
keir@20860 489 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860 490 ptr[index].domid = info[i].domain;
keir@20860 491
keir@20860 492 index++;
keir@20860 493 }
keir@20860 494 *nb_vm = index;
keir@20860 495 return ptr;
keir@20860 496 }
keir@20860 497
keir@20462 498 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 499 uint32_t domid, int fd)
keir@20462 500 {
keir@20565 501 int hvm = is_hvm(ctx, domid);
keir@20565 502 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@21543 503 int debug = info != NULL && info->flags & XL_SUSPEND_DEBUG;
keir@20462 504
keir@20462 505 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565 506 if (hvm)
keir@21417 507 return save_device_model(ctx, domid, fd);
keir@20462 508 return 0;
keir@20462 509 }
keir@20462 510
keir@20462 511 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 512 {
keir@20462 513 xc_domain_pause(ctx->xch, domid);
keir@20462 514 return 0;
keir@20462 515 }
keir@20462 516
keir@20462 517 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 518 {
keir@20779 519 char *path;
keir@20565 520 char *state;
keir@20565 521
keir@20565 522 if (is_hvm(ctx, domid)) {
keir@20779 523 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565 524 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565 525 if (state != NULL && !strcmp(state, "paused")) {
keir@20565 526 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565 527 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 528 }
keir@20565 529 }
keir@20462 530 xc_domain_unpause(ctx->xch, domid);
keir@20565 531
keir@20462 532 return 0;
keir@20462 533 }
keir@20462 534
keir@20462 535 static char *req_table[] = {
keir@20462 536 [0] = "poweroff",
keir@20462 537 [1] = "reboot",
keir@20462 538 [2] = "suspend",
keir@20462 539 [3] = "crash",
keir@20462 540 [4] = "halt",
keir@20462 541 };
keir@20462 542
keir@20462 543 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 544 {
keir@20462 545 char *shutdown_path;
keir@20462 546 char *dom_path;
keir@20462 547
keir@20462 548 if (req > ARRAY_SIZE(req_table))
keir@20462 549 return ERROR_INVAL;
keir@20462 550
keir@20462 551 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 552 if (!dom_path)
keir@20512 553 return ERROR_FAIL;
keir@20512 554
keir@20462 555 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462 556
keir@20462 557 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@21552 558 if (is_hvm(ctx,domid)) {
keir@20462 559 unsigned long acpi_s_state = 0;
keir@20462 560 unsigned long pvdriver = 0;
keir@20462 561 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462 562 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@21552 563 if (!pvdriver || acpi_s_state != 0)
keir@20462 564 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462 565 }
keir@20462 566 return 0;
keir@20462 567 }
keir@20462 568
keir@20637 569 int libxl_get_wait_fd(struct libxl_ctx *ctx, int *fd)
keir@20545 570 {
keir@20545 571 *fd = xs_fileno(ctx->xsh);
keir@20545 572 return 0;
keir@20545 573 }
keir@20545 574
keir@20637 575 int libxl_wait_for_domain_death(struct libxl_ctx *ctx, uint32_t domid, libxl_waiter *waiter)
keir@20637 576 {
keir@20637 577 waiter->path = strdup("@releaseDomain");
keir@21417 578 if (asprintf(&(waiter->token), "%d", DOMAIN_DEATH) < 0)
keir@21417 579 return -1;
keir@20637 580 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637 581 return -1;
keir@20637 582 return 0;
keir@20637 583 }
keir@20637 584
keir@20637 585 int libxl_wait_for_disk_ejects(struct libxl_ctx *ctx, uint32_t guest_domid, libxl_device_disk *disks, int num_disks, libxl_waiter *waiter)
keir@20637 586 {
keir@20637 587 int i;
keir@20637 588 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637 589
keir@20637 590 if (!domid)
keir@20637 591 domid = guest_domid;
keir@20637 592
keir@20637 593 for (i = 0; i < num_disks; i++) {
keir@21417 594 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
keir@21417 595 libxl_xs_get_dompath(ctx, domid),
keir@21417 596 device_disk_dev_number(disks[i].virtpath)) < 0)
keir@21417 597 return -1;
keir@21417 598 if (asprintf(&(waiter[i].token), "%d", DISK_EJECT) < 0)
keir@21417 599 return -1;
keir@20637 600 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637 601 }
keir@20637 602 return 0;
keir@20637 603 }
keir@20637 604
keir@20637 605 int libxl_get_event(struct libxl_ctx *ctx, libxl_event *event)
keir@20545 606 {
keir@20545 607 unsigned int num;
keir@20637 608 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637 609 if (num != 2) {
keir@20637 610 free(events);
keir@20637 611 return -1;
keir@20637 612 }
keir@20637 613 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637 614 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637 615 event->type = atoi(event->token);
keir@20637 616 free(events);
keir@20637 617 return 0;
keir@20637 618 }
keir@20637 619
keir@20637 620 int libxl_stop_waiting(struct libxl_ctx *ctx, libxl_waiter *waiter)
keir@20637 621 {
keir@20637 622 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637 623 return -1;
keir@20637 624 else
keir@20637 625 return 0;
keir@20637 626 }
keir@20637 627
keir@20637 628 int libxl_free_event(libxl_event *event)
keir@20637 629 {
keir@20637 630 free(event->path);
keir@20637 631 free(event->token);
keir@20637 632 return 0;
keir@20637 633 }
keir@20637 634
keir@20637 635 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637 636 {
keir@20637 637 free(waiter->path);
keir@20637 638 free(waiter->token);
keir@20637 639 return 0;
keir@20637 640 }
keir@20637 641
keir@20785 642 int libxl_event_get_domain_death_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, xc_domaininfo_t *info)
keir@20637 643 {
keir@20785 644 int rc = 0, ret;
keir@20545 645
keir@20637 646 if (event && event->type == DOMAIN_DEATH) {
keir@20785 647 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785 648 if (ret == 1 && info->domain == domid) {
keir@20785 649 if (info->flags & XEN_DOMINF_running ||
keir@20785 650 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545 651 goto out;
keir@20545 652 rc = 1;
keir@20545 653 goto out;
keir@20545 654 }
keir@20785 655 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545 656 rc = 1;
keir@20545 657 goto out;
keir@20545 658 }
keir@20545 659 out:
keir@20545 660 return rc;
keir@20545 661 }
keir@20545 662
keir@20637 663 int libxl_event_get_disk_eject_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_device_disk *disk)
keir@20637 664 {
keir@20637 665 if (event && event->type == DISK_EJECT) {
keir@20637 666 char *path;
keir@20637 667 char *backend;
keir@20637 668 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637 669
keir@20637 670 if (!value || strcmp(value, "eject"))
keir@20637 671 return 0;
keir@20637 672
keir@20637 673 path = strdup(event->path);
keir@20637 674 path[strlen(path) - 6] = '\0';
keir@20637 675 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637 676
keir@20637 677 disk->backend_domid = 0;
keir@20637 678 disk->domid = domid;
keir@20637 679 disk->physpath = NULL;
keir@20637 680 disk->phystype = 0;
keir@20637 681 /* this value is returned to the user: do not free right away */
keir@20637 682 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637 683 disk->unpluggable = 1;
keir@20637 684 disk->readwrite = 0;
keir@20637 685 disk->is_cdrom = 1;
keir@20637 686
keir@20637 687 free(path);
keir@20637 688 return 1;
keir@20637 689 }
keir@20637 690 return 0;
keir@20637 691 }
keir@20637 692
keir@20462 693 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 694 {
keir@20462 695 char *pid;
keir@20462 696 int ret;
keir@20462 697
keir@20462 698 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 699 if (!pid) {
keir@20542 700 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 701 if (!stubdomid) {
keir@20542 702 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542 703 return -1;
keir@20542 704 }
keir@20542 705 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542 706 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462 707 }
keir@20462 708 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462 709
keir@20462 710 ret = kill(atoi(pid), SIGHUP);
keir@20462 711 if (ret < 0 && errno == ESRCH) {
keir@20512 712 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462 713 ret = 0;
keir@20462 714 } else if (ret == 0) {
keir@20512 715 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462 716 ret = 0;
keir@20462 717 } else {
keir@20512 718 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512 719 atoi(pid));
keir@20462 720 }
keir@20462 721 return ret;
keir@20462 722 }
keir@20462 723
keir@20462 724 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 725 {
keir@20801 726 char *dom_path;
keir@20779 727 char *vm_path, *vss_path, *xapi_path;
keir@20628 728 int rc, dm_present;
keir@20628 729
keir@20628 730 if (is_hvm(ctx, domid)) {
keir@20628 731 dm_present = 1;
keir@20628 732 } else {
keir@20628 733 char *pid;
keir@20628 734 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 735 dm_present = (pid != NULL);
keir@20628 736 libxl_free(ctx, pid);
keir@20628 737 }
keir@20462 738
keir@20462 739 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 740 if (!dom_path)
keir@20462 741 return -1;
keir@20512 742
keir@20482 743 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512 744 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 745 if (dm_present) {
keir@20628 746 xs_write(ctx->xsh, XBT_NULL,
keir@20628 747 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628 748 "shutdown", strlen("shutdown"));
keir@20628 749 }
keir@20512 750 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 751 if (rc < 0) {
keir@20512 752 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 753 return -1;
keir@20462 754 }
keir@20628 755 if (dm_present) {
keir@20628 756 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628 757 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 758 }
keir@20462 759 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512 760 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462 761 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512 762 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779 763
keir@20801 764 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", domid));
keir@20823 765 if (vm_path)
keir@20823 766 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823 767 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779 768
keir@20801 769 vss_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vss", domid));
keir@20823 770 if (vss_path)
keir@20823 771 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20823 772 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779 773
keir@20779 774 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20823 775 if (xapi_path)
keir@20823 776 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20823 777 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779 778
keir@21190 779 libxl__userdata_destroyall(ctx, domid);
keir@21190 780
keir@20545 781 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 782 if (rc < 0) {
keir@20545 783 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545 784 return -1;
keir@20545 785 }
keir@20462 786 return 0;
keir@20462 787 }
keir@20462 788
keir@20564 789 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564 790 {
keir@21283 791 char *cmd = libxl_sprintf(
keir@21283 792 ctx, "%s/xenconsole %d --num %d",
keir@21283 793 libxl_private_bindir_path(), domid, cons_num);
keir@20564 794 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564 795 }
keir@20564 796
keir@20462 797 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462 798 libxl_device_model_info *info,
keir@20462 799 libxl_device_nic *vifs,
keir@20462 800 int num_vifs)
keir@20462 801 {
keir@20462 802 int num = 0, i;
keir@20462 803 flexarray_t *dm_args;
keir@20462 804 dm_args = flexarray_make(16, 1);
keir@20462 805 if (!dm_args)
keir@20462 806 return NULL;
keir@20462 807
keir@20516 808 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 809 flexarray_set(dm_args, num++, "-d");
keir@20462 810
keir@20462 811 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462 812
keir@20462 813 if (info->dom_name) {
keir@20516 814 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 815 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 816 }
keir@20462 817 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 818 flexarray_set(dm_args, num++, "-vnc");
keir@20462 819 if (info->vncdisplay) {
keir@20462 820 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362 821 flexarray_set(
keir@21362 822 dm_args, num++,
keir@21362 823 libxl_sprintf(ctx, "%s:%d%s",
keir@21362 824 info->vnclisten,
keir@21362 825 info->vncdisplay,
keir@21362 826 info->vncpasswd ? ",password" : ""));
keir@20462 827 } else {
keir@20462 828 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462 829 }
keir@20462 830 } else if (info->vnclisten) {
keir@20462 831 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 832 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 833 } else {
keir@20462 834 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462 835 }
keir@20462 836 } else {
keir@20516 837 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 838 }
keir@20462 839 if (info->vncunused) {
keir@20516 840 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 841 }
keir@20462 842 }
keir@21378 843 if (info->sdl) {
keir@20516 844 flexarray_set(dm_args, num++, "-sdl");
keir@20462 845 if (info->opengl) {
keir@20516 846 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 847 }
keir@20462 848 }
keir@20462 849 if (info->keymap) {
keir@20516 850 flexarray_set(dm_args, num++, "-k");
keir@20516 851 flexarray_set(dm_args, num++, info->keymap);
keir@20462 852 }
keir@20462 853 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 854 flexarray_set(dm_args, num++, "-nographic");
keir@20462 855 }
keir@20462 856 if (info->serial) {
keir@20516 857 flexarray_set(dm_args, num++, "-serial");
keir@20516 858 flexarray_set(dm_args, num++, info->serial);
keir@20462 859 }
keir@20509 860 if (info->type == XENFV) {
Ian@21733 861 int ioemu_vifs = 0;
Ian@21733 862
keir@20509 863 if (info->videoram) {
keir@20516 864 flexarray_set(dm_args, num++, "-videoram");
keir@20509 865 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509 866 }
keir@20509 867 if (info->stdvga) {
keir@20516 868 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 869 }
keir@20509 870
keir@20509 871 if (info->boot) {
keir@20516 872 flexarray_set(dm_args, num++, "-boot");
keir@20516 873 flexarray_set(dm_args, num++, info->boot);
keir@20509 874 }
keir@20509 875 if (info->usb) {
keir@20516 876 flexarray_set(dm_args, num++, "-usb");
keir@20509 877 if (info->usbdevice) {
keir@20516 878 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 879 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 880 }
keir@20509 881 }
keir@20509 882 if (info->apic) {
keir@20516 883 flexarray_set(dm_args, num++, "-acpi");
keir@20509 884 }
keir@21570 885 if (info->vcpus > 1) {
keir@21570 886 flexarray_set(dm_args, num++, "-vcpus");
keir@21570 887 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->vcpus));
keir@21570 888 }
keir@21570 889 if (info->vcpu_avail) {
keir@21570 890 flexarray_set(dm_args, num++, "-vcpu_avail");
keir@21570 891 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "0x%x", info->vcpu_avail));
keir@21570 892 }
keir@20509 893 for (i = 0; i < num_vifs; i++) {
keir@20509 894 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780 895 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780 896 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780 897 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781 898 if (!vifs[i].ifname)
keir@20781 899 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516 900 flexarray_set(dm_args, num++, "-net");
keir@20509 901 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780 902 vifs[i].devid, smac, vifs[i].model));
keir@20516 903 flexarray_set(dm_args, num++, "-net");
keir@20509 904 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509 905 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
Ian@21733 906 ioemu_vifs++;
keir@20509 907 }
keir@20462 908 }
Ian@21733 909 /* If we have no emulated nics, tell qemu not to create any */
Ian@21733 910 if ( ioemu_vifs == 0 ) {
Ian@21733 911 flexarray_set(dm_args, num++, "-net");
Ian@21733 912 flexarray_set(dm_args, num++, "none");
Ian@21733 913 }
keir@20462 914 }
keir@20565 915 if (info->saved_state) {
keir@20565 916 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 917 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 918 }
keir@20509 919 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 920 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 921 flexarray_set(dm_args, num++, "-M");
keir@20509 922 if (info->type == XENPV)
keir@20516 923 flexarray_set(dm_args, num++, "xenpv");
keir@20509 924 else
keir@20516 925 flexarray_set(dm_args, num++, "xenfv");
keir@20462 926 flexarray_set(dm_args, num++, NULL);
keir@20462 927
keir@20462 928 return (char **) flexarray_contents(dm_args);
keir@20462 929 }
keir@20462 930
keir@20834 931 void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834 932 {
keir@20514 933 struct libxl_device_model_starting *starting = for_spawn;
keir@20514 934 char *kvs[3];
keir@20820 935 int rc;
keir@20820 936 struct xs_handle *xsh;
keir@20514 937
keir@20820 938 xsh = xs_daemon_open();
keir@20514 939 /* we mustn't use the parent's handle in the child */
keir@20514 940
keir@20514 941 kvs[0] = "image/device-model-pid";
keir@21417 942 if (asprintf(&kvs[1], "%d", innerchild) < 0)
keir@21417 943 return;
keir@20514 944 kvs[2] = NULL;
keir@20820 945
keir@20820 946 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820 947 if (rc)
keir@20820 948 return;
keir@20820 949 xs_daemon_close(xsh);
keir@20514 950 }
keir@20514 951
keir@20542 952 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542 953 libxl_device_model_info *info,
keir@20542 954 libxl_device_vfb *vfb,
keir@20542 955 libxl_device_vkb *vkb)
keir@20542 956 {
keir@20542 957 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 958 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 959
keir@20542 960 vfb->backend_domid = 0;
keir@20542 961 vfb->devid = 0;
keir@20542 962 vfb->vnc = info->vnc;
keir@20542 963 vfb->vnclisten = info->vnclisten;
keir@20542 964 vfb->vncdisplay = info->vncdisplay;
keir@20542 965 vfb->vncunused = info->vncunused;
keir@21362 966 vfb->vncpasswd = info->vncpasswd;
keir@20542 967 vfb->keymap = info->keymap;
keir@20542 968 vfb->sdl = info->sdl;
keir@20542 969 vfb->opengl = info->opengl;
keir@20542 970
keir@20542 971 vkb->backend_domid = 0;
keir@20542 972 vkb->devid = 0;
keir@20542 973 return 0;
keir@20542 974 }
keir@20542 975
keir@20542 976 static int libxl_write_dmargs(struct libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 977 {
keir@20542 978 int i;
keir@20542 979 char *vm_path;
keir@20542 980 char *dmargs, *path;
keir@20542 981 int dmargs_size;
keir@20542 982 struct xs_permissions roperm[2];
keir@20542 983 xs_transaction_t t;
keir@20542 984
keir@20542 985 roperm[0].id = 0;
keir@20542 986 roperm[0].perms = XS_PERM_NONE;
keir@20542 987 roperm[1].id = domid;
keir@20542 988 roperm[1].perms = XS_PERM_READ;
keir@20542 989
keir@20542 990 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542 991
keir@20542 992 i = 0;
keir@20542 993 dmargs_size = 0;
keir@20542 994 while (args[i] != NULL) {
keir@20542 995 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 996 i++;
keir@20542 997 }
keir@20542 998 dmargs_size++;
keir@20542 999 dmargs = (char *) malloc(dmargs_size);
keir@20542 1000 i = 1;
keir@20542 1001 dmargs[0] = '\0';
keir@20542 1002 while (args[i] != NULL) {
keir@20542 1003 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 1004 strcat(dmargs, " ");
keir@20542 1005 strcat(dmargs, args[i]);
keir@20542 1006 }
keir@20542 1007 i++;
keir@20542 1008 }
keir@20542 1009 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542 1010
keir@20542 1011 retry_transaction:
keir@20542 1012 t = xs_transaction_start(ctx->xsh);
keir@20542 1013 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 1014 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542 1015 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 1016 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1017 if (errno == EAGAIN)
keir@20542 1018 goto retry_transaction;
keir@20542 1019 free(dmargs);
keir@20542 1020 return 0;
keir@20542 1021 }
keir@20542 1022
keir@20542 1023 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542 1024 libxl_device_model_info *info,
keir@20542 1025 libxl_device_disk *disks, int num_disks,
keir@20542 1026 libxl_device_nic *vifs, int num_vifs,
keir@20542 1027 libxl_device_vfb *vfb,
keir@20542 1028 libxl_device_vkb *vkb,
keir@20542 1029 libxl_device_model_starting **starting_r)
keir@20542 1030 {
keir@20843 1031 int i, num_console = 1, ret;
keir@20570 1032 libxl_device_console *console;
keir@20542 1033 libxl_domain_create_info c_info;
keir@20542 1034 libxl_domain_build_info b_info;
keir@20542 1035 libxl_domain_build_state state;
keir@20542 1036 uint32_t domid;
keir@20542 1037 char **args;
keir@20542 1038 struct xs_permissions perm[2];
keir@20542 1039 xs_transaction_t t;
keir@20594 1040 libxl_device_model_starting *dm_starting = 0;
keir@20542 1041
keir@20542 1042 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542 1043 if (!args)
keir@20542 1044 return ERROR_FAIL;
keir@20542 1045
keir@20542 1046 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 1047 c_info.hvm = 0;
keir@20542 1048 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801 1049 for (i = 0; i < 16; i++)
keir@20801 1050 c_info.uuid[i] = info->uuid[i];
keir@20542 1051
keir@20542 1052 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 1053 b_info.max_vcpus = 1;
keir@20542 1054 b_info.max_memkb = 32 * 1024;
keir@20647 1055 b_info.target_memkb = b_info.max_memkb;
keir@21353 1056 b_info.kernel = libxl_abs_path(ctx, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
keir@20542 1057 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542 1058 b_info.u.pv.ramdisk = "";
keir@20542 1059 b_info.u.pv.features = "";
keir@20542 1060 b_info.hvm = 0;
keir@20542 1061
keir@20843 1062 ret = libxl_domain_make(ctx, &c_info, &domid);
keir@20843 1063 if (ret) return ret;
keir@20843 1064 ret = libxl_domain_build(ctx, &b_info, domid, &state);
keir@20843 1065 if (ret) return ret;
keir@20542 1066
keir@20542 1067 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20843 1068 libxl_xs_write(ctx, XBT_NULL,
keir@20843 1069 libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)),
keir@20843 1070 "%d", domid);
keir@20843 1071 libxl_xs_write(ctx, XBT_NULL,
keir@20843 1072 libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)),
keir@20843 1073 "%d", info->domid);
keir@20542 1074 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542 1075 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 1076
keir@20542 1077 perm[0].id = domid;
keir@20542 1078 perm[0].perms = XS_PERM_NONE;
keir@20542 1079 perm[1].id = info->domid;
keir@20542 1080 perm[1].perms = XS_PERM_READ;
keir@20542 1081 retry_transaction:
keir@20542 1082 t = xs_transaction_start(ctx->xsh);
keir@20542 1083 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542 1084 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635 1085 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635 1086 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542 1087 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1088 if (errno == EAGAIN)
keir@20542 1089 goto retry_transaction;
keir@20542 1090
keir@20542 1091 for (i = 0; i < num_disks; i++) {
keir@20781 1092 disks[i].domid = domid;
keir@20843 1093 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20843 1094 if (ret) return ret;
keir@20542 1095 }
keir@20542 1096 for (i = 0; i < num_vifs; i++) {
keir@20781 1097 vifs[i].domid = domid;
keir@20843 1098 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20843 1099 if (ret) return ret;
keir@20542 1100 }
keir@20781 1101 vfb->domid = domid;
keir@20843 1102 ret = libxl_device_vfb_add(ctx, domid, vfb);
keir@20843 1103 if (ret) return ret;
keir@20781 1104 vkb->domid = domid;
keir@20843 1105 ret = libxl_device_vkb_add(ctx, domid, vkb);
keir@20843 1106 if (ret) return ret;
keir@20542 1107
keir@20570 1108 if (info->serial)
keir@20570 1109 num_console++;
keir@20843 1110
keir@20570 1111 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20843 1112 if (!console)
keir@20843 1113 return ERROR_NOMEM;
keir@20843 1114
keir@20570 1115 for (i = 0; i < num_console; i++) {
keir@20781 1116 console[i].devid = i;
keir@20781 1117 console[i].constype = CONSTYPE_IOEMU;
keir@20781 1118 console[i].domid = domid;
keir@20570 1119 if (!i)
keir@20781 1120 console[i].build_state = &state;
keir@20843 1121 ret = libxl_device_console_add(ctx, domid, &console[i]);
keir@20843 1122 if (ret) return ret;
keir@20570 1123 }
keir@20594 1124 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594 1125 free(args);
keir@20594 1126 return -1;
keir@20594 1127 }
keir@20594 1128 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594 1129 free(args);
keir@20594 1130 return -1;
keir@20594 1131 }
keir@20542 1132
keir@20542 1133 libxl_domain_unpause(ctx, domid);
keir@20542 1134
keir@20594 1135 if (starting_r) {
keir@20594 1136 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598 1137 (*starting_r)->domid = info->domid;
keir@20594 1138 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 1139 (*starting_r)->for_spawn = NULL;
keir@20594 1140 }
keir@20594 1141
keir@20542 1142 free(args);
keir@20542 1143 return 0;
keir@20542 1144 }
keir@20542 1145
keir@20462 1146 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462 1147 libxl_device_model_info *info,
keir@20542 1148 libxl_device_disk *disks, int num_disks,
keir@20514 1149 libxl_device_nic *vifs, int num_vifs,
keir@20514 1150 libxl_device_model_starting **starting_r)
keir@20462 1151 {
keir@20546 1152 char *path, *logfile;
keir@20514 1153 int logfile_w, null;
keir@20546 1154 int rc;
keir@20462 1155 char **args;
keir@20594 1156 struct libxl_device_model_starting buf_starting, *p;
keir@21362 1157 xs_transaction_t t;
keir@21362 1158 char *vm_path;
keir@21362 1159 char **pass_stuff;
keir@20514 1160
keir@20542 1161 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 1162 libxl_device_vfb vfb;
keir@20542 1163 libxl_device_vkb vkb;
keir@20542 1164
keir@20542 1165 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542 1166 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542 1167 }
keir@20542 1168
keir@20462 1169 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462 1170 if (!args)
keir@20462 1171 return ERROR_FAIL;
keir@20462 1172
keir@20462 1173 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462 1174 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@21599 1175 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/disable_pf", path), "%d", !info->xen_platform_pci);
keir@20462 1176
keir@20546 1177 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 1178 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 1179 free(logfile);
keir@20462 1180 null = open("/dev/null", O_RDONLY);
keir@20514 1181
keir@20514 1182 if (starting_r) {
keir@20516 1183 rc = ERROR_NOMEM;
keir@20594 1184 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516 1185 if (!*starting_r) goto xit;
keir@20594 1186 p = *starting_r;
keir@20611 1187 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594 1188 } else {
keir@20594 1189 p = &buf_starting;
keir@20594 1190 p->for_spawn = NULL;
keir@20594 1191 }
keir@20514 1192
keir@20594 1193 p->domid = info->domid;
keir@20594 1194 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 1195 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594 1196
keir@21362 1197 if (info->vncpasswd) {
keir@21362 1198 retry_transaction:
keir@21362 1199 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362 1200 t = xs_transaction_start(ctx->xsh);
keir@21362 1201 vm_path = libxl_xs_read(ctx,t,libxl_sprintf(ctx, "%s/vm", p->dom_path));
keir@21362 1202 if (vm_path) {
keir@21362 1203 /* Now write the vncpassword into it. */
keir@21362 1204 pass_stuff = libxl_calloc(ctx, 2, sizeof(char *));
keir@21362 1205 pass_stuff[0] = "vncpasswd";
keir@21362 1206 pass_stuff[1] = info->vncpasswd;
keir@21362 1207 libxl_xs_writev(ctx,t,vm_path,pass_stuff);
keir@21362 1208 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362 1209 if (errno == EAGAIN)
keir@21362 1210 goto retry_transaction;
keir@21362 1211 }
keir@21362 1212 }
keir@21362 1213
keir@20594 1214 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514 1215 if (rc < 0) goto xit;
keir@20514 1216 if (!rc) { /* inner child */
keir@20833 1217 libxl_exec(null, logfile_w, logfile_w,
keir@21353 1218 libxl_abs_path(ctx, info->device_model, libxl_private_bindir_path()),
keir@21353 1219 args);
keir@20514 1220 }
keir@20514 1221
keir@20514 1222 rc = 0;
keir@20514 1223 xit:
keir@20516 1224 free(args);
keir@20462 1225 close(null);
keir@20462 1226 close(logfile_w);
keir@20462 1227
keir@20514 1228 return rc;
keir@20514 1229 }
keir@20514 1230
keir@20514 1231 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779 1232 libxl_device_model_starting *starting)
keir@20779 1233 {
keir@20514 1234 int rc;
keir@20594 1235 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594 1236 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514 1237 libxl_free(ctx, starting);
keir@20514 1238 return rc;
keir@20514 1239 }
keir@20462 1240
keir@20514 1241
keir@20514 1242 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779 1243 libxl_device_model_starting *starting)
keir@20779 1244 {
keir@20514 1245 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514 1246 libxl_spawn_check,
keir@20594 1247 starting->for_spawn);
keir@20514 1248 int detach = libxl_detach_device_model(ctx, starting);
keir@20514 1249 return problem ? problem : detach;
keir@20542 1250 return 0;
keir@20462 1251 }
keir@20462 1252
keir@20514 1253
keir@20462 1254 /******************************************************************************/
keir@20566 1255
keir@21632 1256 static char *get_blktap2_device(struct libxl_ctx *ctx,
keir@21632 1257 const char *name, const char *type)
keir@20566 1258 {
keir@21632 1259 int minor = tap_ctl_find_minor(type, name);
keir@21632 1260 if (minor < 0)
keir@21632 1261 return NULL;
keir@21632 1262 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", minor);
keir@21632 1263 }
keir@21632 1264
keir@21632 1265 static char *make_blktap2_device(struct libxl_ctx *ctx,
keir@21632 1266 const char *name, const char *type)
keir@21632 1267 {
keir@21647 1268 char *params, *devname = NULL;
keir@21632 1269 int err;
keir@21632 1270 params = libxl_sprintf(ctx, "%s:%s", type, name);
keir@21632 1271 err = tap_ctl_create(params, &devname);
keir@21647 1272 if (!err)
keir@21647 1273 libxl_ptr_add(ctx, devname);
keir@21647 1274 return err ? NULL : devname;
keir@20566 1275 }
keir@20566 1276
keir@20462 1277 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1278 {
keir@20462 1279 flexarray_t *front;
keir@20462 1280 flexarray_t *back;
keir@20462 1281 char *backend_type;
keir@20462 1282 unsigned int boffset = 0;
keir@20462 1283 unsigned int foffset = 0;
keir@20462 1284 int devid;
keir@20462 1285 libxl_device device;
keir@20566 1286 int major, minor;
keir@20462 1287
keir@20462 1288 front = flexarray_make(16, 1);
keir@20462 1289 if (!front)
keir@20462 1290 return ERROR_NOMEM;
keir@20462 1291 back = flexarray_make(16, 1);
keir@20462 1292 if (!back) /* leaks front if error */
keir@20462 1293 return ERROR_NOMEM;
keir@20462 1294
keir@20462 1295 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462 1296 devid = device_disk_dev_number(disk->virtpath);
keir@20947 1297 if (devid==-1) {
keir@20947 1298 XL_LOG(ctx, XL_LOG_ERROR, "Invalid or unuspported"
keir@20947 1299 " virtual disk identifier %s", disk->virtpath);
keir@20947 1300 return ERROR_INVAL;
keir@20947 1301 }
keir@20462 1302
keir@20462 1303 device.backend_devid = devid;
keir@20462 1304 device.backend_domid = disk->backend_domid;
keir@20462 1305 device.devid = devid;
keir@20462 1306 device.domid = disk->domid;
keir@20462 1307 device.kind = DEVICE_VBD;
keir@20462 1308
keir@20462 1309 switch (disk->phystype) {
keir@20462 1310 case PHYSTYPE_PHY: {
keir@20462 1311
keir@20509 1312 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1313 flexarray_set(back, boffset++, "physical-device");
keir@20462 1314 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462 1315
keir@20516 1316 flexarray_set(back, boffset++, "params");
keir@20516 1317 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1318
keir@20462 1319 device.backend_kind = DEVICE_VBD;
keir@20462 1320 break;
keir@20462 1321 }
keir@20566 1322 case PHYSTYPE_FILE:
keir@20566 1323 /* let's pretend is tap:aio for the moment */
keir@20566 1324 disk->phystype = PHYSTYPE_AIO;
keir@21632 1325 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD: {
keir@21632 1326 const char *msg;
keir@21632 1327 if (!tap_ctl_check(&msg)) {
keir@21632 1328 const char *type = device_disk_string_of_phystype(disk->phystype);
keir@21632 1329 char *dev;
keir@21632 1330 dev = get_blktap2_device(ctx, disk->physpath, type);
keir@21632 1331 if (!dev)
keir@21632 1332 dev = make_blktap2_device(ctx, disk->physpath, type);
keir@21632 1333 if (!dev)
keir@21632 1334 return -1;
keir@20566 1335 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566 1336 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1337 flexarray_set(back, boffset++, "params");
keir@20566 1338 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566 1339 backend_type = "phy";
keir@20566 1340 device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1341 flexarray_set(back, boffset++, "physical-device");
keir@20566 1342 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566 1343 device.backend_kind = DEVICE_VBD;
keir@20566 1344
keir@20566 1345 break;
keir@20566 1346 }
keir@20516 1347 flexarray_set(back, boffset++, "params");
keir@20462 1348 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462 1349 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1350
keir@20462 1351 device.backend_kind = DEVICE_TAP;
keir@20462 1352 break;
keir@21632 1353 }
keir@20846 1354 default:
keir@20846 1355 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
keir@20846 1356 return ERROR_INVAL;
keir@20462 1357 }
keir@20462 1358
keir@20516 1359 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1360 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516 1361 flexarray_set(back, boffset++, "online");
keir@20516 1362 flexarray_set(back, boffset++, "1");
keir@20516 1363 flexarray_set(back, boffset++, "removable");
keir@20462 1364 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1365 flexarray_set(back, boffset++, "bootable");
keir@20509 1366 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1367 flexarray_set(back, boffset++, "state");
keir@20462 1368 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1369 flexarray_set(back, boffset++, "dev");
keir@20516 1370 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1371 flexarray_set(back, boffset++, "type");
keir@20516 1372 flexarray_set(back, boffset++, backend_type);
keir@20516 1373 flexarray_set(back, boffset++, "mode");
keir@20516 1374 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1375
keir@20516 1376 flexarray_set(front, foffset++, "backend-id");
keir@20462 1377 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516 1378 flexarray_set(front, foffset++, "state");
keir@20462 1379 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1380 flexarray_set(front, foffset++, "virtual-device");
keir@20462 1381 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516 1382 flexarray_set(front, foffset++, "device-type");
keir@20516 1383 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1384
keir@20462 1385 if (0 /* protocol != native*/) {
keir@20516 1386 flexarray_set(front, foffset++, "protocol");
keir@20516 1387 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1388 }
keir@20462 1389
keir@20462 1390 libxl_device_generic_add(ctx, &device,
keir@20462 1391 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1392 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1393 flexarray_free(back);
keir@20516 1394 flexarray_free(front);
keir@20462 1395 return 0;
keir@20462 1396 }
keir@20462 1397
keir@20626 1398 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626 1399 libxl_device_disk *disk, int wait)
keir@20462 1400 {
keir@20626 1401 libxl_device device;
keir@20626 1402 int devid;
keir@20462 1403
keir@20626 1404 devid = device_disk_dev_number(disk->virtpath);
keir@20626 1405 device.backend_domid = disk->backend_domid;
keir@20626 1406 device.backend_devid = devid;
keir@20626 1407 device.backend_kind =
keir@20626 1408 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1409 device.domid = disk->domid;
keir@20626 1410 device.devid = devid;
keir@20626 1411 device.kind = DEVICE_VBD;
keir@20626 1412 return libxl_device_del(ctx, &device, wait);
keir@20462 1413 }
keir@20462 1414
keir@20462 1415 /******************************************************************************/
keir@20462 1416 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1417 {
keir@20462 1418 flexarray_t *front;
keir@20462 1419 flexarray_t *back;
keir@20462 1420 unsigned int boffset = 0;
keir@20462 1421 unsigned int foffset = 0;
keir@20462 1422 libxl_device device;
keir@21407 1423 char *dompath, **l;
keir@21407 1424 unsigned int nb;
keir@20462 1425
keir@20462 1426 front = flexarray_make(16, 1);
keir@20462 1427 if (!front)
keir@20462 1428 return ERROR_NOMEM;
keir@20462 1429 back = flexarray_make(16, 1);
keir@20462 1430 if (!back)
keir@20462 1431 return ERROR_NOMEM;
keir@20462 1432
keir@21407 1433 if (nic->devid == -1) {
keir@21407 1434 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21407 1435 return ERROR_FAIL;
keir@21407 1436 }
keir@21407 1437 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21407 1438 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb))) {
keir@21407 1439 nic->devid = 0;
keir@21407 1440 } else {
keir@21407 1441 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407 1442 libxl_free(ctx, l);
keir@21407 1443 }
keir@21407 1444 }
keir@21407 1445
keir@20462 1446 device.backend_devid = nic->devid;
keir@20462 1447 device.backend_domid = nic->backend_domid;
keir@20462 1448 device.backend_kind = DEVICE_VIF;
keir@20462 1449 device.devid = nic->devid;
keir@20462 1450 device.domid = nic->domid;
keir@20462 1451 device.kind = DEVICE_VIF;
keir@20462 1452
keir@20516 1453 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1454 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516 1455 flexarray_set(back, boffset++, "online");
keir@20516 1456 flexarray_set(back, boffset++, "1");
keir@20516 1457 flexarray_set(back, boffset++, "state");
keir@20462 1458 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1459 flexarray_set(back, boffset++, "script");
keir@20516 1460 flexarray_set(back, boffset++, nic->script);
keir@20516 1461 flexarray_set(back, boffset++, "mac");
keir@20462 1462 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1463 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1464 nic->mac[3], nic->mac[4], nic->mac[5]));
Ian@21732 1465 flexarray_set(back, boffset++, "bridge");
Ian@21732 1466 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", nic->bridge));
keir@20516 1467 flexarray_set(back, boffset++, "handle");
keir@20462 1468 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462 1469
keir@20516 1470 flexarray_set(front, foffset++, "backend-id");
keir@20462 1471 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516 1472 flexarray_set(front, foffset++, "state");
keir@20462 1473 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1474 flexarray_set(front, foffset++, "handle");
keir@20462 1475 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516 1476 flexarray_set(front, foffset++, "mac");
keir@20462 1477 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1478 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1479 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 1480 if (0 /* protocol != native*/) {
keir@20516 1481 flexarray_set(front, foffset++, "protocol");
keir@20516 1482 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1483 }
keir@20462 1484
keir@20462 1485 libxl_device_generic_add(ctx, &device,
keir@20462 1486 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1487 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462 1488
keir@20462 1489 /* FIXME: wait for plug */
keir@20516 1490 flexarray_free(back);
keir@20516 1491 flexarray_free(front);
keir@20462 1492 return 0;
keir@20462 1493 }
keir@20462 1494
keir@20626 1495 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626 1496 libxl_device_nic *nic, int wait)
keir@20462 1497 {
keir@20626 1498 libxl_device device;
keir@20462 1499
keir@20626 1500 device.backend_devid = nic->devid;
keir@20626 1501 device.backend_domid = nic->backend_domid;
keir@20626 1502 device.backend_kind = DEVICE_VIF;
keir@20626 1503 device.devid = nic->devid;
keir@20626 1504 device.domid = nic->domid;
keir@20626 1505 device.kind = DEVICE_VIF;
keir@20626 1506
keir@20626 1507 return libxl_device_del(ctx, &device, wait);
keir@20462 1508 }
keir@20462 1509
keir@21408 1510 libxl_nicinfo *libxl_list_nics(struct libxl_ctx *ctx, uint32_t domid, unsigned int *nb)
keir@21408 1511 {
keir@21408 1512 char *dompath, *nic_path_fe;
keir@21408 1513 char **l;
keir@21408 1514 char *val, *tok;
keir@21408 1515 unsigned int nb_nics, i;
keir@21408 1516 libxl_nicinfo *res, *nics;
keir@21408 1517
keir@21408 1518 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21408 1519 if (!dompath) {
keir@21408 1520 return NULL;
keir@21408 1521 }
keir@21408 1522 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21408 1523 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb_nics);
keir@21408 1524 if (!l) {
keir@21408 1525 return NULL;
keir@21408 1526 }
keir@21408 1527 res = libxl_calloc(ctx, nb_nics, sizeof (libxl_device_nic));
keir@21408 1528 if (!res) {
keir@21408 1529 libxl_free(ctx, l);
keir@21408 1530 return NULL;
keir@21408 1531 }
keir@21408 1532 nics = res;
keir@21408 1533 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
keir@21408 1534 nic_path_fe = libxl_sprintf(ctx, "%s/device/vif/%s", dompath, *l);
keir@21408 1535
keir@21408 1536 nics->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21408 1537 libxl_sprintf(ctx, "%s/backend", nic_path_fe));
keir@21408 1538 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", nic_path_fe));
keir@21408 1539 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408 1540
keir@21408 1541 nics->devid = strtoul(*l, NULL, 10);
keir@21408 1542 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", nic_path_fe));
keir@21408 1543 nics->state = val ? strtoul(val, NULL, 10) : -1;
keir@21408 1544 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", nic_path_fe));
keir@21408 1545 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408 1546 ++i, tok = strtok(NULL, ":")) {
keir@21408 1547 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408 1548 }
keir@21408 1549 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", nic_path_fe));
keir@21408 1550 nics->evtch = val ? strtol(val, NULL, 10) : -1;
keir@21408 1551 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/tx-ring-ref", nic_path_fe));
keir@21408 1552 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
keir@21408 1553 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/rx-ring-ref", nic_path_fe));
keir@21408 1554 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
keir@21408 1555 nics->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21408 1556 libxl_sprintf(ctx, "%s/frontend", nics->backend));
keir@21408 1557 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", nics->backend));
keir@21408 1558 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408 1559 nics->script = libxl_xs_read(ctx, XBT_NULL,
keir@21408 1560 libxl_sprintf(ctx, "%s/script", nics->backend));
keir@21408 1561
keir@21408 1562 libxl_free(ctx, nic_path_fe);
keir@21408 1563 }
keir@21408 1564
keir@21408 1565 libxl_free(ctx, l);
keir@21408 1566 return res;
keir@21408 1567 }
keir@21408 1568
keir@21580 1569 /******************************************************************************/
keir@21580 1570 int libxl_device_net2_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_net2 *net2)
keir@21580 1571 {
keir@21580 1572 flexarray_t *front, *back;
keir@21580 1573 unsigned int boffset = 0, foffset = 0;
keir@21580 1574 libxl_device device;
keir@21580 1575 char *dompath, *dom, **l;
keir@21580 1576 unsigned int nb;
keir@21580 1577
keir@21580 1578 front = flexarray_make(16, 1);
keir@21580 1579 if (!front)
keir@21580 1580 return ERROR_NOMEM;
keir@21580 1581 back = flexarray_make(16, 1);
keir@21580 1582 if (!back)
keir@21580 1583 return ERROR_NOMEM;
keir@21580 1584
keir@21580 1585 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21580 1586 return ERROR_FAIL;
keir@21580 1587 }
keir@21580 1588 dom = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/name", dompath));
keir@21580 1589
keir@21580 1590 if (net2->devid == -1) {
keir@21580 1591 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21580 1592 libxl_sprintf(ctx, "%s/device/vif2", dompath), &nb))) {
keir@21580 1593 net2->devid = 0;
keir@21580 1594 } else {
keir@21580 1595 net2->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21580 1596 libxl_free(ctx, l);
keir@21580 1597 }
keir@21580 1598 }
keir@21580 1599
keir@21580 1600 device.backend_devid = net2->devid;
keir@21580 1601 device.backend_domid = net2->backend_domid;
keir@21580 1602 device.backend_kind = DEVICE_VIF2;
keir@21580 1603 device.devid = net2->devid;
keir@21580 1604 device.domid = net2->domid;
keir@21580 1605 device.kind = DEVICE_VIF2;
keir@21580 1606
keir@21580 1607 flexarray_set(back, boffset++, "domain");
keir@21580 1608 flexarray_set(back, boffset++, dom);
keir@21580 1609 flexarray_set(back, boffset++, "frontend-id");
keir@21580 1610 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->domid));
keir@21580 1611
keir@21580 1612 flexarray_set(back, boffset++, "local-trusted");
keir@21580 1613 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->back_trusted));
keir@21580 1614 flexarray_set(back, boffset++, "mac");
keir@21580 1615 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 1616 net2->back_mac[0], net2->back_mac[1],
keir@21580 1617 net2->back_mac[2], net2->back_mac[3],
keir@21580 1618 net2->back_mac[4], net2->back_mac[5]));
keir@21580 1619
keir@21580 1620 flexarray_set(back, boffset++, "remote-trusted");
keir@21580 1621 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->trusted));
keir@21580 1622 flexarray_set(back, boffset++, "remote-mac");
keir@21580 1623 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 1624 net2->front_mac[0], net2->front_mac[1],
keir@21580 1625 net2->front_mac[2], net2->front_mac[3],
keir@21580 1626 net2->front_mac[4], net2->front_mac[5]));
keir@21580 1627
keir@21580 1628 flexarray_set(back, boffset++, "max-bypasses");
keir@21580 1629 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->max_bypasses));
keir@21580 1630 flexarray_set(back, boffset++, "filter-mac");
keir@21580 1631 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", !!(net2->filter_mac)));
keir@21580 1632 flexarray_set(back, boffset++, "handle");
keir@21580 1633 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->devid));
keir@21580 1634 flexarray_set(back, boffset++, "online");
keir@21580 1635 flexarray_set(back, boffset++, "1");
keir@21580 1636 flexarray_set(back, boffset++, "state");
keir@21580 1637 flexarray_set(back, boffset++, "1");
keir@21580 1638
keir@21580 1639 flexarray_set(front, foffset++, "backend-id");
keir@21580 1640 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->backend_domid));
keir@21580 1641
keir@21580 1642 flexarray_set(front, foffset++, "local-trusted");
keir@21580 1643 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->trusted));
keir@21580 1644 flexarray_set(front, foffset++, "mac");
keir@21580 1645 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 1646 net2->front_mac[0], net2->front_mac[1],
keir@21580 1647 net2->front_mac[2], net2->front_mac[3],
keir@21580 1648 net2->front_mac[4], net2->front_mac[5]));
keir@21580 1649
keir@21580 1650 flexarray_set(front, foffset++, "remote-trusted");
keir@21580 1651 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->back_trusted));
keir@21580 1652 flexarray_set(front, foffset++, "remote-mac");
keir@21580 1653 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580 1654 net2->back_mac[0], net2->back_mac[1],
keir@21580 1655 net2->back_mac[2], net2->back_mac[3],
keir@21580 1656 net2->back_mac[4], net2->back_mac[5]));
keir@21580 1657
keir@21580 1658 flexarray_set(front, foffset++, "filter-mac");
keir@21580 1659 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", !!(net2->filter_mac)));
keir@21580 1660 flexarray_set(front, foffset++, "state");
keir@21580 1661 flexarray_set(front, foffset++, "1");
keir@21580 1662
keir@21580 1663 libxl_device_generic_add(ctx, &device,
keir@21580 1664 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@21580 1665 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@21580 1666
keir@21580 1667 /* FIXME: wait for plug */
keir@21580 1668 flexarray_free(back);
keir@21580 1669 flexarray_free(front);
keir@21580 1670 return 0;
keir@21580 1671 }
keir@21408 1672
keir@21581 1673 libxl_net2info *libxl_device_net2_list(struct libxl_ctx *ctx, uint32_t domid, unsigned int *nb)
keir@21581 1674 {
keir@21581 1675 char *dompath, *net2_path_fe;
keir@21581 1676 char **l;
keir@21581 1677 char *val, *tok;
keir@21581 1678 unsigned int nb_net2s, i;
keir@21581 1679 libxl_net2info *res, *net2s;
keir@21581 1680
keir@21581 1681 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21581 1682 if (!dompath) {
keir@21581 1683 return NULL;
keir@21581 1684 }
keir@21581 1685 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21581 1686 libxl_sprintf(ctx, "%s/device/vif2", dompath), &nb_net2s);
keir@21581 1687 if (!l) {
keir@21581 1688 return NULL;
keir@21581 1689 }
keir@21581 1690 res = libxl_calloc(ctx, nb_net2s, sizeof (libxl_net2info));
keir@21581 1691 if (!res) {
keir@21581 1692 libxl_free(ctx, l);
keir@21581 1693 return NULL;
keir@21581 1694 }
keir@21581 1695 net2s = res;
keir@21581 1696 for (*nb = nb_net2s; nb_net2s > 0; --nb_net2s, ++l, ++net2s) {
keir@21581 1697 net2_path_fe = libxl_sprintf(ctx, "%s/device/vif2/%s", dompath, *l);
keir@21581 1698
keir@21581 1699 net2s->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21581 1700 libxl_sprintf(ctx, "%s/backend", net2_path_fe));
keir@21581 1701 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", net2_path_fe));
keir@21581 1702 net2s->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581 1703
keir@21581 1704 net2s->devid = strtoul(*l, NULL, 10);
keir@21581 1705 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", net2_path_fe));
keir@21581 1706 net2s->state = val ? strtoul(val, NULL, 10) : -1;
keir@21581 1707
keir@21581 1708 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", net2_path_fe));
keir@21581 1709 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581 1710 ++i, tok = strtok(NULL, ":")) {
keir@21581 1711 net2s->mac[i] = strtoul(tok, NULL, 16);
keir@21581 1712 }
keir@21581 1713 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/remote-trusted", net2_path_fe));
keir@21581 1714 net2s->trusted = val ? strtoul(val, NULL, 10) : -1;
keir@21581 1715
keir@21581 1716 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/remote-mac", net2_path_fe));
keir@21581 1717 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581 1718 ++i, tok = strtok(NULL, ":")) {
keir@21581 1719 net2s->back_mac[i] = strtoul(tok, NULL, 16);
keir@21581 1720 }
keir@21581 1721 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/filter-mac", net2_path_fe));
keir@21581 1722 net2s->filter_mac = val ? strtoul(val, NULL, 10) : -1;
keir@21581 1723
keir@21581 1724 net2s->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21581 1725 libxl_sprintf(ctx, "%s/frontend", net2s->backend));
keir@21581 1726 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", net2s->backend));
keir@21581 1727 net2s->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581 1728 libxl_free(ctx, net2_path_fe);
keir@21581 1729 }
keir@21581 1730
keir@21581 1731 libxl_free(ctx, l);
keir@21581 1732 return res;
keir@21581 1733 }
keir@21581 1734
keir@21582 1735 int libxl_device_net2_del(struct libxl_ctx *ctx, libxl_device_net2 *net2, int wait)
keir@21582 1736 {
keir@21582 1737 libxl_device device;
keir@21582 1738
keir@21582 1739 device.backend_devid = net2->devid;
keir@21582 1740 device.backend_domid = net2->backend_domid;
keir@21582 1741 device.backend_kind = DEVICE_VIF2;
keir@21582 1742 device.devid = net2->devid;
keir@21582 1743 device.domid = net2->domid;
keir@21582 1744 device.kind = DEVICE_VIF2;
keir@21582 1745
keir@21582 1746 return libxl_device_del(ctx, &device, wait);
keir@21582 1747 }
keir@21582 1748
keir@21581 1749
keir@20462 1750 /******************************************************************************/
keir@20509 1751 int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 1752 {
keir@20509 1753 flexarray_t *front;
keir@20509 1754 flexarray_t *back;
keir@20509 1755 unsigned int boffset = 0;
keir@20509 1756 unsigned int foffset = 0;
keir@20509 1757 libxl_device device;
keir@20509 1758
keir@20509 1759 if (console->build_state) {
keir@20509 1760 xs_transaction_t t;
keir@20509 1761 char **ents = (char **) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516 1762 ents[0] = "console/port";
keir@20509 1763 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516 1764 ents[2] = "console/ring-ref";
keir@20509 1765 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516 1766 ents[4] = "console/limit";
keir@20509 1767 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516 1768 ents[6] = "console/type";
keir@20509 1769 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509 1770 ents[7] = "xenconsoled";
keir@20509 1771 else
keir@20509 1772 ents[7] = "ioemu";
keir@20509 1773 retry_transaction:
keir@20509 1774 t = xs_transaction_start(ctx->xsh);
keir@20516 1775 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509 1776 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509 1777 if (errno == EAGAIN)
keir@20509 1778 goto retry_transaction;
keir@20509 1779 }
keir@20509 1780
keir@20509 1781 front = flexarray_make(16, 1);
keir@20509 1782 if (!front)
keir@20509 1783 return ERROR_NOMEM;
keir@20509 1784 back = flexarray_make(16, 1);
keir@20509 1785 if (!back)
keir@20509 1786 return ERROR_NOMEM;
keir@20509 1787
keir@20509 1788 device.backend_devid = console->devid;
keir@20509 1789 device.backend_domid = console->backend_domid;
keir@20509 1790 device.backend_kind = DEVICE_CONSOLE;
keir@20509 1791 device.devid = console->devid;
keir@20509 1792 device.domid = console->domid;
keir@20509 1793 device.kind = DEVICE_CONSOLE;
keir@20509 1794
keir@20516 1795 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1796 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516 1797 flexarray_set(back, boffset++, "online");
keir@20516 1798 flexarray_set(back, boffset++, "1");
keir@20516 1799 flexarray_set(back, boffset++, "state");
keir@20509 1800 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1801 flexarray_set(back, boffset++, "domain");
keir@20516 1802 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1803 flexarray_set(back, boffset++, "protocol");
keir@20516 1804 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 1805
keir@20516 1806 flexarray_set(front, foffset++, "backend-id");
keir@20509 1807 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516 1808 flexarray_set(front, foffset++, "state");
keir@20509 1809 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1810 flexarray_set(front, foffset++, "limit");
keir@20509 1811 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516 1812 flexarray_set(front, foffset++, "protocol");
keir@20516 1813 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516 1814 flexarray_set(front, foffset++, "type");
keir@20509 1815 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516 1816 flexarray_set(front, foffset++, "xenconsoled");
keir@20509 1817 else
keir@20516 1818 flexarray_set(front, foffset++, "ioemu");
keir@20509 1819
keir@20509 1820 libxl_device_generic_add(ctx, &device,
keir@20509 1821 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1822 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1823 flexarray_free(back);
keir@20516 1824 flexarray_free(front);
keir@20509 1825
keir@20509 1826 return 0;
keir@20509 1827 }
keir@20509 1828
keir@20509 1829 /******************************************************************************/
keir@20509 1830 int libxl_device_vkb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 1831 {
keir@20509 1832 flexarray_t *front;
keir@20509 1833 flexarray_t *back;
keir@20509 1834 unsigned int boffset = 0;
keir@20509 1835 unsigned int foffset = 0;
keir@20509 1836 libxl_device device;
keir@20509 1837
keir@20509 1838 front = flexarray_make(16, 1);
keir@20509 1839 if (!front)
keir@20509 1840 return ERROR_NOMEM;
keir@20509 1841 back = flexarray_make(16, 1);
keir@20509 1842 if (!back)
keir@20509 1843 return ERROR_NOMEM;
keir@20509 1844
keir@20509 1845 device.backend_devid = vkb->devid;
keir@20509 1846 device.backend_domid = vkb->backend_domid;
keir@20509 1847 device.backend_kind = DEVICE_VKBD;
keir@20509 1848 device.devid = vkb->devid;
keir@20509 1849 device.domid = vkb->domid;
keir@20509 1850 device.kind = DEVICE_VKBD;
keir@20509 1851
keir@20516 1852 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1853 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516 1854 flexarray_set(back, boffset++, "online");
keir@20516 1855 flexarray_set(back, boffset++, "1");
keir@20516 1856 flexarray_set(back, boffset++, "state");
keir@20509 1857 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1858 flexarray_set(back, boffset++, "domain");
keir@20516 1859 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509 1860
keir@20516 1861 flexarray_set(front, foffset++, "backend-id");
keir@20509 1862 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516 1863 flexarray_set(front, foffset++, "state");
keir@20509 1864 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1865
keir@20509 1866 libxl_device_generic_add(ctx, &device,
keir@20509 1867 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1868 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1869 flexarray_free(back);
keir@20516 1870 flexarray_free(front);
keir@20509 1871
keir@20509 1872 return 0;
keir@20462 1873 }
keir@20462 1874
keir@20462 1875 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1876 {
keir@20462 1877 return ERROR_NI;
keir@20462 1878 }
keir@20462 1879
keir@20462 1880 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1881 {
keir@20462 1882 return ERROR_NI;
keir@20462 1883 }
keir@20462 1884
keir@20637 1885 libxl_device_disk *libxl_device_disk_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20637 1886 {
keir@20637 1887 char *be_path_tap, *be_path_vbd;
keir@21411 1888 libxl_device_disk *dend, *disks, *ret = NULL;
keir@21411 1889 char **b, **l = NULL;
keir@20637 1890 unsigned int numl;
keir@20637 1891 char *type;
keir@20637 1892
keir@20637 1893 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1894 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1895
keir@21411 1896 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637 1897 if (l) {
keir@21411 1898 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411 1899 disks = ret;
keir@21411 1900 *num = numl;
keir@21411 1901 dend = ret + *num;
keir@21411 1902 for (; disks < dend; ++disks, ++l) {
keir@21411 1903 disks->backend_domid = 0;
keir@21411 1904 disks->domid = domid;
keir@21411 1905 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, *l));
keir@21411 1906 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_vbd, *l)), &(disks->phystype));
keir@21411 1907 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, *l));
keir@21411 1908 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, *l)));
keir@21411 1909 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411 1910 disks->readwrite = 1;
keir@20637 1911 else
keir@21411 1912 disks->readwrite = 0;
keir@21411 1913 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, *l))));
keir@21411 1914 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637 1915 }
keir@21411 1916 libxl_free(ctx, b);
keir@20637 1917 }
keir@21411 1918 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637 1919 if (l) {
keir@21411 1920 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411 1921 disks = ret + *num;
keir@21411 1922 *num += numl;
keir@21411 1923 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411 1924 disks->backend_domid = 0;
keir@21411 1925 disks->domid = domid;
keir@21411 1926 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, *l));
keir@21411 1927 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_tap, *l)), &(disks->phystype));
keir@21411 1928 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, *l));
keir@21411 1929 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, *l)));
keir@21411 1930 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411 1931 disks->readwrite = 1;
keir@20637 1932 else
keir@21411 1933 disks->readwrite = 0;
keir@21411 1934 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_tap, *l))));
keir@21411 1935 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637 1936 }
keir@21411 1937 libxl_free(ctx, b);
keir@20637 1938 }
keir@21411 1939 return ret;
keir@21411 1940 }
keir@21411 1941
keir@21411 1942 int libxl_device_disk_getinfo(struct libxl_ctx *ctx, uint32_t domid,
keir@21411 1943 libxl_device_disk *disk, libxl_diskinfo *diskinfo)
keir@21411 1944 {
keir@21411 1945 char *dompath, *diskpath;
keir@21411 1946 char *val;
keir@21411 1947
keir@21411 1948 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21411 1949 diskinfo->devid = device_disk_dev_number(disk->virtpath);
keir@21411 1950
keir@21411 1951 /* tap devices entries in xenstore are written as vbd devices. */
keir@21411 1952 diskpath = libxl_sprintf(ctx, "%s/device/vbd/%d", dompath, diskinfo->devid);
keir@21411 1953 diskinfo->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21411 1954 libxl_sprintf(ctx, "%s/backend", diskpath));
keir@21411 1955 if (!diskinfo->backend) {
keir@21411 1956 return ERROR_FAIL;
keir@21411 1957 }
keir@21411 1958 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", diskpath));
keir@21411 1959 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411 1960 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", diskpath));
keir@21411 1961 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
keir@21411 1962 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", diskpath));
keir@21411 1963 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
keir@21411 1964 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/ring-ref", diskpath));
keir@21411 1965 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
keir@21411 1966 diskinfo->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21411 1967 libxl_sprintf(ctx, "%s/frontend", diskinfo->backend));
keir@21411 1968 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", diskinfo->backend));
keir@21411 1969 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411 1970
keir@21411 1971 return 0;
keir@20637 1972 }
keir@20637 1973
keir@20637 1974 int libxl_cdrom_insert(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20637 1975 {
keir@20637 1976 int num, i;
keir@20637 1977 uint32_t stubdomid;
keir@20637 1978 libxl_device_disk *disks;
keir@20637 1979
keir@20637 1980 if (!disk->physpath) {
keir@20637 1981 disk->physpath = "";
keir@20637 1982 disk->phystype = PHYSTYPE_PHY;
keir@20637 1983 }
keir@20637 1984 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637 1985 for (i = 0; i < num; i++) {
keir@20637 1986 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637 1987 /* found */
keir@20637 1988 break;
keir@20637 1989 }
keir@20637 1990 if (i == num) {
keir@20637 1991 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637 1992 return -1;
keir@20637 1993 }
keir@20637 1994 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 1995 libxl_device_disk_add(ctx, domid, disk);
keir@20637 1996 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637 1997 if (stubdomid) {
keir@20781 1998 disks[i].domid = stubdomid;
keir@20637 1999 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781 2000 disk->domid = stubdomid;
keir@20637 2001 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781 2002 disk->domid = domid;
keir@20637 2003 }
keir@20637 2004 return 0;
keir@20637 2005 }
keir@20637 2006
keir@20462 2007 /******************************************************************************/
keir@20509 2008 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509 2009 libxl_device_vfb *vfb,
keir@20509 2010 int num_console,
keir@20509 2011 libxl_device_console *console,
keir@20860 2012 libxl_device_model_info *info)
keir@20860 2013 {
keir@20509 2014 int i = 0, j = 0, num = 0;
keir@20509 2015 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 2016
keir@20509 2017 info->vnc = vfb->vnc;
keir@20509 2018 if (vfb->vnclisten)
keir@20509 2019 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509 2020 info->vncdisplay = vfb->vncdisplay;
keir@20509 2021 info->vncunused = vfb->vncunused;
keir@21362 2022 if (vfb->vncpasswd)
keir@21362 2023 info->vncpasswd = vfb->vncpasswd;
keir@20509 2024 if (vfb->keymap)
keir@20509 2025 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509 2026 info->sdl = vfb->sdl;
keir@20509 2027 info->opengl = vfb->opengl;
keir@20509 2028 for (i = 0; i < num_console; i++) {
keir@20509 2029 if (console->constype == CONSTYPE_IOEMU)
keir@20509 2030 num++;
keir@20509 2031 }
keir@20509 2032 if (num > 0) {
keir@20860 2033 uint32_t guest_domid;
keir@20860 2034 if (libxl_is_stubdom(ctx, vfb->domid, &guest_domid)) {
keir@20599 2035 char *filename;
keir@20599 2036 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599 2037 libxl_create_logfile(ctx, name, &filename);
keir@20599 2038 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599 2039 free(filename);
keir@20599 2040 } else {
keir@20599 2041 info->serial = "pty";
keir@20599 2042 }
keir@20509 2043 num--;
keir@20509 2044 }
keir@20509 2045 if (num > 0) {
keir@20509 2046 info->extra = (char **) libxl_calloc(ctx, num * 2 + 1, sizeof(char *));
keir@20509 2047 for (j = 0; j < num * 2; j = j + 2) {
keir@20509 2048 info->extra[j] = "-serial";
keir@20509 2049 info->extra[j + 1] = "pty";
keir@20509 2050 }
keir@20509 2051 info->extra[j] = NULL;
keir@20509 2052 }
keir@20509 2053 info->domid = vfb->domid;
keir@20509 2054 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@21376 2055 info->device_model = libxl_abs_path(ctx, "qemu-dm", libxl_libexec_path());
keir@20509 2056 info->type = XENPV;
keir@20509 2057 return 0;
keir@20509 2058 }
keir@20509 2059
keir@20509 2060 int libxl_create_xenpv_qemu(struct libxl_ctx *ctx, libxl_device_vfb *vfb,
keir@20514 2061 int num_console, libxl_device_console *console,
keir@20514 2062 struct libxl_device_model_starting **starting_r)
keir@20509 2063 {
keir@20509 2064 libxl_device_model_info info;
keir@20509 2065
keir@20509 2066 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542 2067 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509 2068 return 0;
keir@20509 2069 }
keir@20509 2070
keir@20509 2071 int libxl_device_vfb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 2072 {
keir@20509 2073 flexarray_t *front;
keir@20509 2074 flexarray_t *back;
keir@20509 2075 unsigned int boffset = 0;
keir@20509 2076 unsigned int foffset = 0;
keir@20509 2077 libxl_device device;
keir@20509 2078
keir@20509 2079 front = flexarray_make(16, 1);
keir@20509 2080 if (!front)
keir@20509 2081 return ERROR_NOMEM;
keir@20509 2082 back = flexarray_make(16, 1);
keir@20509 2083 if (!back)
keir@20509 2084 return ERROR_NOMEM;
keir@20509 2085
keir@20509 2086 device.backend_devid = vfb->devid;
keir@20509 2087 device.backend_domid = vfb->backend_domid;
keir@20509 2088 device.backend_kind = DEVICE_VFB;
keir@20509 2089 device.devid = vfb->devid;
keir@20509 2090 device.domid = vfb->domid;
keir@20509 2091 device.kind = DEVICE_VFB;
keir@20509 2092
keir@20516 2093 flexarray_set(back, boffset++, "frontend-id");
keir@20509 2094 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516 2095 flexarray_set(back, boffset++, "online");
keir@20516 2096 flexarray_set(back, boffset++, "1");
keir@20516 2097 flexarray_set(back, boffset++, "state");
keir@20509 2098 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 2099 flexarray_set(back, boffset++, "domain");
keir@20516 2100 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 2101 flexarray_set(back, boffset++, "vnc");
keir@20509 2102 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516 2103 flexarray_set(back, boffset++, "vnclisten");
keir@20516 2104 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362 2105 flexarray_set(back, boffset++, "vncpasswd");
keir@21362 2106 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516 2107 flexarray_set(back, boffset++, "vncdisplay");
keir@20509 2108 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516 2109 flexarray_set(back, boffset++, "vncunused");
keir@20509 2110 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516 2111 flexarray_set(back, boffset++, "sdl");
keir@20509 2112 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516 2113 flexarray_set(back, boffset++, "opengl");
keir@20509 2114 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509 2115 if (vfb->xauthority) {
keir@20516 2116 flexarray_set(back, boffset++, "xauthority");
keir@20516 2117 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 2118 }
keir@20509 2119 if (vfb->display) {
keir@20516 2120 flexarray_set(back, boffset++, "display");
keir@20516 2121 flexarray_set(back, boffset++, vfb->display);
keir@20509 2122 }
keir@20509 2123
keir@20516 2124 flexarray_set(front, foffset++, "backend-id");
keir@20509 2125 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516 2126 flexarray_set(front, foffset++, "state");
keir@20509 2127 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 2128
keir@20509 2129 libxl_device_generic_add(ctx, &device,
keir@20509 2130 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 2131 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509 2132 flexarray_free(front);
keir@20509 2133 flexarray_free(back);
keir@20509 2134
keir@20509 2135 return 0;
keir@20462 2136 }
keir@20462 2137
keir@20462 2138 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 2139 {
keir@20462 2140 return ERROR_NI;
keir@20462 2141 }
keir@20462 2142
keir@20462 2143 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 2144 {
keir@20462 2145 return ERROR_NI;
keir@20462 2146 }
keir@20462 2147
keir@20462 2148 /******************************************************************************/
keir@20482 2149
keir@20482 2150 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482 2151 unsigned int bus, unsigned int dev,
keir@20482 2152 unsigned int func, unsigned int vdevfn)
keir@20482 2153 {
keir@20482 2154 pcidev->domain = domain;
keir@20482 2155 pcidev->bus = bus;
keir@20482 2156 pcidev->dev = dev;
keir@20482 2157 pcidev->func = func;
keir@20482 2158 pcidev->vdevfn = vdevfn;
keir@20482 2159 return 0;
keir@20482 2160 }
keir@20482 2161
keir@20482 2162 static int libxl_create_pci_backend(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev, int num)
keir@20482 2163 {
keir@20482 2164 flexarray_t *front;
keir@20482 2165 flexarray_t *back;
keir@20482 2166 unsigned int boffset = 0;
keir@20482 2167 unsigned int foffset = 0;
keir@20482 2168 libxl_device device;
keir@20482 2169 int i;
keir@20482 2170
keir@20482 2171 front = flexarray_make(16, 1);
keir@20482 2172 if (!front)
keir@20482 2173 return ERROR_NOMEM;
keir@20482 2174 back = flexarray_make(16, 1);
keir@20482 2175 if (!back)
keir@20482 2176 return ERROR_NOMEM;
keir@20482 2177
keir@20512 2178 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482 2179
keir@20482 2180 /* add pci device */
keir@20482 2181 device.backend_devid = 0;
keir@20482 2182 device.backend_domid = 0;
keir@20482 2183 device.backend_kind = DEVICE_PCI;
keir@20482 2184 device.devid = 0;
keir@20482 2185 device.domid = domid;
keir@20482 2186 device.kind = DEVICE_PCI;
keir@20482 2187
keir@20516 2188 flexarray_set(back, boffset++, "frontend-id");
keir@20482 2189 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516 2190 flexarray_set(back, boffset++, "online");
keir@20516 2191 flexarray_set(back, boffset++, "1");
keir@20516 2192 flexarray_set(back, boffset++, "state");
keir@20482 2193 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 2194 flexarray_set(back, boffset++, "domain");
keir@20516 2195 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482 2196 for (i = 0; i < num; i++) {
keir@20482 2197 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482 2198 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 2199 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482 2200 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 2201 if (pcidev->vdevfn) {
keir@20482 2202 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482 2203 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 2204 }
keir@20482 2205 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482 2206 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 2207 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482 2208 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 2209 }
keir@20516 2210 flexarray_set(back, boffset++, "num_devs");
keir@20482 2211 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482 2212
keir@20516 2213 flexarray_set(front, foffset++, "backend-id");
keir@20482 2214 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516 2215 flexarray_set(front, foffset++, "state");
keir@20482 2216 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 2217
keir@20482 2218 libxl_device_generic_add(ctx, &device,
keir@20482 2219 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482 2220 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482 2221
keir@20482 2222 flexarray_free(back);
keir@20482 2223 flexarray_free(front);
keir@20482 2224 return 0;
keir@20482 2225 }
keir@20482 2226
keir@20482 2227 static int libxl_device_pci_add_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 2228 {
keir@20482 2229 flexarray_t *back;
keir@20482 2230 char *num_devs, *be_path;
keir@20482 2231 int num = 0;
keir@20482 2232 unsigned int boffset = 0;
keir@20482 2233 xs_transaction_t t;
keir@20482 2234
keir@20516 2235 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2236 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 2237 if (!num_devs)
keir@20482 2238 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482 2239
keir@20482 2240 if (!is_hvm(ctx, domid)) {
keir@20482 2241 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482 2242 return -1;
keir@20482 2243 }
keir@20482 2244
keir@20482 2245 back = flexarray_make(16, 1);
keir@20482 2246 if (!back)
keir@20482 2247 return ERROR_NOMEM;
keir@20482 2248
keir@20512 2249 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482 2250 num = atoi(num_devs);
keir@20482 2251 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482 2252 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 2253 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482 2254 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 2255 if (pcidev->vdevfn) {
keir@20482 2256 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482 2257 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 2258 }
keir@20482 2259 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482 2260 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 2261 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482 2262 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 2263 flexarray_set(back, boffset++, "num_devs");
keir@20482 2264 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516 2265 flexarray_set(back, boffset++, "state");
keir@20482 2266 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482 2267
keir@20482 2268 retry_transaction:
keir@20482 2269 t = xs_transaction_start(ctx->xsh);
keir@20482 2270 libxl_xs_writev(ctx, t, be_path,
keir@20482 2271 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482 2272 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 2273 if (errno == EAGAIN)
keir@20482 2274 goto retry_transaction;
keir@20482 2275
keir@20482 2276 flexarray_free(back);
keir@20482 2277 return 0;
keir@20482 2278 }
keir@20482 2279
keir@20482 2280 static int libxl_device_pci_remove_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20482 2281 {
keir@20542 2282 char *be_path, *num_devs_path, *num_devs, *xsdev, *tmp, *tmppath;
keir@20542 2283 int num, i, j;
keir@20482 2284 xs_transaction_t t;
keir@20482 2285 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482 2286
keir@20516 2287 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2288 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482 2289 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482 2290 if (!num_devs)
keir@20482 2291 return -1;
keir@20482 2292 num = atoi(num_devs);
keir@20482 2293
keir@20482 2294 if (!is_hvm(ctx, domid)) {
keir@20482 2295 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 2296 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482 2297 return -1;
keir@20482 2298 }
keir@20482 2299 }
keir@20482 2300
keir@20482 2301 for (i = 0; i < num; i++) {
keir@20482 2302 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 2303 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 2304 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482 2305 pcidev->dev == dev && pcidev->func == func) {
keir@20482 2306 break;
keir@20482 2307 }
keir@20482 2308 }
keir@20482 2309 if (i == num) {
keir@20512 2310 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482 2311 return -1;
keir@20482 2312 }
keir@20482 2313
keir@20482 2314 retry_transaction:
keir@20482 2315 t = xs_transaction_start(ctx->xsh);
keir@20542 2316 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482 2317 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482 2318 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 2319 if (errno == EAGAIN)
keir@20482 2320 goto retry_transaction;
keir@20542 2321
keir@20542 2322 if (!is_hvm(ctx, domid)) {
keir@20542 2323 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 2324 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542 2325 return -1;
keir@20542 2326 }
keir@20542 2327 }
keir@20542 2328
keir@20542 2329 retry_transaction2:
keir@20542 2330 t = xs_transaction_start(ctx->xsh);
keir@20542 2331 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542 2332 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542 2333 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542 2334 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542 2335 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542 2336 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542 2337 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542 2338 for (j = i + 1; j < num; j++) {
keir@20542 2339 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542 2340 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2341 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2342 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2343 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542 2344 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2345 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2346 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2347 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542 2348 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2349 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2350 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2351 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542 2352 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2353 if (tmp) {
keir@20542 2354 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2355 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2356 }
keir@20542 2357 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542 2358 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2359 if (tmp) {
keir@20542 2360 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2361 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2362 }
keir@20542 2363 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542 2364 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 2365 if (tmp) {
keir@20542 2366 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 2367 xs_rm(ctx->xsh, t, tmppath);
keir@20542 2368 }
keir@20542 2369 }
keir@20542 2370 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 2371 if (errno == EAGAIN)
keir@20542 2372 goto retry_transaction2;
keir@20542 2373
keir@20542 2374 if (num == 1) {
keir@20542 2375 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542 2376 libxl_device_destroy(ctx, be_path, 1);
keir@20542 2377 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542 2378 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542 2379 return 0;
keir@20542 2380 }
keir@20542 2381
keir@20482 2382 return 0;
keir@20462 2383 }
keir@20462 2384
keir@20482 2385 int libxl_device_pci_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 2386 {
keir@20779 2387 char *path;
keir@20482 2388 char *state, *vdevfn;
keir@20482 2389 int rc, hvm;
keir@20542 2390 int stubdomid = 0;
keir@20482 2391
keir@20482 2392 /* TODO: check if the device can be assigned */
keir@20482 2393
Ian@21711 2394 libxl_device_pci_reset(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2395
keir@20779 2396 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 2397 if (stubdomid != 0) {
keir@20542 2398 libxl_device_pci pcidev_s = *pcidev;
keir@20542 2399 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542 2400 }
keir@20542 2401
keir@20482 2402 hvm = is_hvm(ctx, domid);
keir@20482 2403 if (hvm) {
keir@20831 2404 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482 2405 return -1;
keir@20482 2406 }
keir@20779 2407 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2408 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 2409 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 2410 if (pcidev->vdevfn)
keir@20482 2411 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482 2412 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482 2413 else
keir@20482 2414 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 2415 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 2416 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 2417 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20831 2418 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", NULL, NULL) < 0)
keir@20512 2419 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779 2420 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 2421 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 2422 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779 2423 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2424 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 2425 } else {
keir@20542 2426 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 2427 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2428 FILE *f = fopen(sysfs_path, "r");
keir@21517 2429 unsigned long long start = 0, end = 0, flags = 0, size = 0;
keir@20482 2430 int irq = 0;
keir@20482 2431 int i;
keir@20482 2432
keir@20482 2433 if (f == NULL) {
keir@20512 2434 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2435 return -1;
keir@20482 2436 }
keir@20482 2437 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@21517 2438 if (fscanf(f, "0x%llx 0x%llx 0x%llx\n", &start, &end, &flags) != 3)
keir@21466 2439 continue;
keir@20482 2440 size = end - start + 1;
keir@20482 2441 if (start) {
keir@20482 2442 if (flags & PCI_BAR_IO) {
keir@20482 2443 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482 2444 if (rc < 0)
keir@21517 2445 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%llx/0x%llx", start, size);
keir@20482 2446 } else {
keir@20482 2447 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2448 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482 2449 if (rc < 0)
keir@21537 2450 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%llx/0x%llx", start, size);
keir@20482 2451 }
keir@20482 2452 }
keir@20482 2453 }
keir@20482 2454 fclose(f);
keir@20542 2455 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2456 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2457 f = fopen(sysfs_path, "r");
keir@20482 2458 if (f == NULL) {
keir@20512 2459 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2460 goto out;
keir@20482 2461 }
keir@21466 2462 if ((fscanf(f, "%u", &irq) == 1) && irq) {
keir@20482 2463 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482 2464 if (rc < 0) {
keir@20512 2465 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482 2466 }
keir@20482 2467 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482 2468 if (rc < 0) {
keir@20512 2469 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482 2470 }
keir@20482 2471 }
keir@20482 2472 fclose(f);
keir@20482 2473 }
keir@20482 2474 out:
keir@20860 2475 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779 2476 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779 2477 if (rc < 0)
keir@20542 2478 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542 2479 }
keir@20482 2480
keir@20482 2481 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482 2482 return 0;
keir@20462 2483 }
keir@20462 2484
keir@20482 2485 int libxl_device_pci_remove(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 2486 {
keir@20779 2487 char *path;
keir@20482 2488 char *state;
keir@20482 2489 int hvm, rc;
keir@20542 2490 int stubdomid = 0;
keir@20482 2491
keir@20482 2492 /* TODO: check if the device can be detached */
keir@20542 2493 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482 2494
keir@20482 2495 hvm = is_hvm(ctx, domid);
keir@20482 2496 if (hvm) {
keir@20831 2497 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482 2498 return -1;
keir@20482 2499 }
keir@20779 2500 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2501 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 2502 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 2503 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 2504 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 2505 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 2506 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20831 2507 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
keir@20512 2508 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 2509 return -1;
keir@20482 2510 }
keir@20779 2511 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2512 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 2513 } else {
keir@20542 2514 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 2515 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2516 FILE *f = fopen(sysfs_path, "r");
keir@20482 2517 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 2518 int irq = 0;
keir@20482 2519 int i;
keir@20482 2520
keir@20482 2521 if (f == NULL) {
keir@20512 2522 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2523 goto skip1;
keir@20482 2524 }
keir@20482 2525 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@21466 2526 if (fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags) != 3)
keir@21466 2527 continue;
keir@20482 2528 size = end - start + 1;
keir@20482 2529 if (start) {
keir@20482 2530 if (flags & PCI_BAR_IO) {
keir@20482 2531 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482 2532 if (rc < 0)
keir@20512 2533 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 2534 } else {
keir@20482 2535 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2536 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482 2537 if (rc < 0)
keir@20512 2538 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 2539 }
keir@20482 2540 }
keir@20482 2541 }
keir@20482 2542 fclose(f);
keir@20482 2543 skip1:
keir@20542 2544 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2545 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2546 f = fopen(sysfs_path, "r");
keir@20482 2547 if (f == NULL) {
keir@20512 2548 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2549 goto out;
keir@20482 2550 }
keir@21466 2551 if ((fscanf(f, "%u", &irq) == 1) && irq) {
keir@20482 2552 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482 2553 if (rc < 0) {
keir@20512 2554 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482 2555 }
keir@20482 2556 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482 2557 if (rc < 0) {
keir@20512 2558 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482 2559 }
keir@20482 2560 }
keir@20482 2561 fclose(f);
keir@20482 2562 }
keir@20482 2563 out:
Ian@21711 2564 libxl_device_pci_reset(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2565
keir@20860 2566 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779 2567 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779 2568 if (rc < 0)
keir@20542 2569 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542 2570 }
keir@20542 2571
keir@20779 2572 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 2573 if (stubdomid != 0) {
keir@20542 2574 libxl_device_pci pcidev_s = *pcidev;
keir@20542 2575 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542 2576 }
keir@20542 2577
keir@20482 2578 return 0;
keir@20462 2579 }
keir@20482 2580
keir@20482 2581 libxl_device_pci *libxl_device_pci_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20482 2582 {
keir@20482 2583 char *be_path, *num_devs, *xsdev, *xsvdevfn, *xsopts;
keir@20482 2584 int n, i;
keir@20482 2585 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482 2586 libxl_device_pci *pcidevs;
keir@20482 2587
keir@20516 2588 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2589 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 2590 if (!num_devs) {
keir@20482 2591 *num = 0;
keir@20482 2592 return NULL;
keir@20482 2593 }
keir@20482 2594 n = atoi(num_devs);
keir@20779 2595 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482 2596 *num = n;
keir@20482 2597
keir@20482 2598 for (i = 0; i < n; i++) {
keir@20482 2599 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 2600 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 2601 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482 2602 if (xsvdevfn)
keir@20482 2603 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482 2604 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482 2605 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482 2606 if (xsopts) {
keir@20482 2607 char *saveptr;
keir@20482 2608 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482 2609 do {
keir@20482 2610 while (*p == ' ')
keir@20482 2611 p++;
keir@20482 2612 if (!strcmp(p, "msitranslate")) {
keir@20482 2613 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2614 pcidevs[i].msitranslate = atoi(p);
keir@20482 2615 } else if (!strcmp(p, "power_mgmt")) {
keir@20482 2616 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2617 pcidevs[i].power_mgmt = atoi(p);
keir@20482 2618 }
keir@20482 2619 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482 2620 }
keir@20482 2621 }
keir@20482 2622 return pcidevs;
keir@20482 2623 }
keir@20482 2624
keir@20482 2625 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482 2626 {
keir@20482 2627 libxl_device_pci *pcidevs;
keir@20482 2628 int num, i;
keir@20482 2629
keir@20482 2630 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482 2631 for (i = 0; i < num; i++) {
keir@20482 2632 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482 2633 return -1;
keir@20482 2634 }
keir@20516 2635 free(pcidevs);
keir@20482 2636 return 0;
keir@20482 2637 }
keir@20482 2638
keir@21404 2639 int libxl_domain_setmaxmem(struct libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404 2640 {
keir@21404 2641 char *mem, *endptr;
keir@21404 2642 uint32_t memorykb;
keir@21404 2643 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21404 2644
keir@21404 2645 mem = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath));
keir@21404 2646 if (!mem) {
keir@21404 2647 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
keir@21404 2648 return 1;
keir@21404 2649 }
keir@21404 2650 memorykb = strtoul(mem, &endptr, 10);
keir@21404 2651 if (*endptr != '\0') {
keir@21404 2652 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
keir@21404 2653 return 1;
keir@21404 2654 }
keir@21404 2655
keir@21404 2656 if (max_memkb < memorykb) {
keir@21404 2657 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
keir@21404 2658 return 1;
keir@21404 2659 }
keir@21404 2660
keir@21404 2661 if (domid != 0)
keir@21404 2662 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath), "%lu", max_memkb);
keir@21404 2663
keir@21422 2664 return 0;
keir@21404 2665 }
keir@21404 2666
keir@21422 2667 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb, int enforce)
keir@20647 2668 {
keir@20647 2669 int rc = 0;
keir@21422 2670 uint32_t memorykb = 0, videoram = 0;
keir@21405 2671 char *memmax, *endptr, *videoram_s = NULL;
keir@20647 2672 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21374 2673 xc_domaininfo_t info;
keir@21374 2674 struct libxl_dominfo ptr;
keir@21374 2675 char *uuid;
keir@20542 2676
keir@21405 2677 if (domid) {
keir@21405 2678 memmax = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath));
keir@21405 2679 if (!memmax) {
keir@21405 2680 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405 2681 "cannot get memory info from %s/memory/static-max\n", dompath);
keir@21405 2682 return 1;
keir@21405 2683 }
keir@21405 2684 memorykb = strtoul(memmax, &endptr, 10);
keir@21405 2685 if (*endptr != '\0') {
keir@21405 2686 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405 2687 "invalid max memory %s from %s/memory/static-max\n", memmax, dompath);
keir@21405 2688 return 1;
keir@21405 2689 }
keir@21405 2690
keir@21405 2691 if (target_memkb > memorykb) {
keir@21504 2692 XL_LOG(ctx, XL_LOG_ERROR,
keir@21405 2693 "memory_dynamic_max must be less than or equal to memory_static_max\n");
keir@21405 2694 return 1;
keir@21405 2695 }
keir@21405 2696 }
keir@21405 2697
keir@20647 2698 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@21314 2699 videoram = videoram_s ? atoi(videoram_s) : 0;
keir@20647 2700
keir@20647 2701 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@21374 2702
keir@21374 2703 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
keir@21374 2704 if (rc != 1 || info.domain != domid)
keir@21374 2705 return rc;
keir@21374 2706 xcinfo2xlinfo(&info, &ptr);
keir@21374 2707 uuid = libxl_uuid2string(ctx, ptr.uuid);
keir@21374 2708 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/vm/%s/memory", uuid), "%lu", target_memkb / 1024);
keir@21374 2709
keir@21422 2710 if (enforce || !domid)
keir@21422 2711 memorykb = target_memkb;
keir@21422 2712 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb + LIBXL_MAXMEM_CONSTANT);
keir@21422 2713 if (rc != 0)
keir@21422 2714 return rc;
keir@20647 2715 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647 2716 return rc;
keir@20647 2717 }
keir@20875 2718
keir@20875 2719 int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875 2720 {
keir@20875 2721 int rc = -1;
keir@20875 2722
keir@20875 2723 switch (button) {
keir@20875 2724 case POWER_BUTTON:
keir@20875 2725 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875 2726 break;
keir@20875 2727 case SLEEP_BUTTON:
keir@20875 2728 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875 2729 break;
keir@20875 2730 default:
keir@20875 2731 break;
keir@20875 2732 }
keir@20875 2733
keir@20875 2734 return rc;
keir@20875 2735 }
keir@21141 2736
keir@21141 2737 int libxl_get_physinfo(struct libxl_ctx *ctx, struct libxl_physinfo *physinfo)
keir@21141 2738 {
keir@21141 2739 xc_physinfo_t xcphysinfo = { 0 };
keir@21141 2740 int rc;
keir@21141 2741
keir@21141 2742 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141 2743 if (rc != 0) {
keir@21141 2744 return rc;
keir@21141 2745 }
keir@21141 2746 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141 2747 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142 2748 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141 2749 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141 2750 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141 2751 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141 2752 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141 2753 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264 2754 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264 2755 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264 2756 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264 2757
keir@21141 2758 return 0;
keir@21141 2759 }
keir@21141 2760
keir@21266 2761 const libxl_version_info* libxl_get_version_info(struct libxl_ctx *ctx)
keir@21266 2762 {
keir@21266 2763 union {
keir@21266 2764 xen_extraversion_t xen_extra;
keir@21266 2765 xen_compile_info_t xen_cc;
keir@21266 2766 xen_changeset_info_t xen_chgset;
keir@21266 2767 xen_capabilities_info_t xen_caps;
keir@21266 2768 xen_platform_parameters_t p_parms;
keir@21266 2769 xen_commandline_t xen_commandline;
keir@21266 2770 } u;
keir@21266 2771 long xen_version;
keir@21266 2772 libxl_version_info *info = &ctx->version_info;
keir@21266 2773
keir@21266 2774 if (info->xen_version_extra != NULL)
keir@21266 2775 return info;
keir@21266 2776
keir@21266 2777 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266 2778 info->xen_version_major = xen_version >> 16;
keir@21266 2779 info->xen_version_minor = xen_version & 0xFF;
keir@21266 2780 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
keir@21266 2781 info->xen_version_extra = libxl_sprintf(ctx, "%s", u.xen_extra);
keir@21266 2782
keir@21266 2783 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
keir@21266 2784 info->compiler = libxl_sprintf(ctx, "%s", u.xen_cc.compiler);
keir@21266 2785 info->compile_by = libxl_sprintf(ctx, "%s", u.xen_cc.compile_by);
keir@21266 2786 info->compile_domain = libxl_sprintf(ctx, "%s", u.xen_cc.compile_domain);
keir@21266 2787 info->compile_date = libxl_sprintf(ctx, "%s", u.xen_cc.compile_date);
keir@21266 2788
keir@21266 2789 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
keir@21266 2790 info->capabilities = libxl_sprintf(ctx, "%s", u.xen_caps);
keir@21266 2791
keir@21266 2792 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
keir@21266 2793 info->changeset = libxl_sprintf(ctx, "%s", u.xen_chgset);
keir@21266 2794
keir@21266 2795 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266 2796 info->virt_start = u.p_parms.virt_start;
keir@21266 2797
keir@21266 2798 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266 2799
keir@21266 2800 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
keir@21266 2801 info->commandline = libxl_sprintf(ctx, "%s", u.xen_commandline);
keir@21266 2802
keir@21266 2803 return info;
keir@21266 2804 }
keir@21266 2805
keir@21141 2806 struct libxl_vcpuinfo *libxl_list_vcpu(struct libxl_ctx *ctx, uint32_t domid,
keir@21141 2807 int *nb_vcpu, int *cpusize)
keir@21141 2808 {
keir@21141 2809 struct libxl_vcpuinfo *ptr, *ret;
keir@21141 2810 xc_domaininfo_t domaininfo;
keir@21141 2811 xc_vcpuinfo_t vcpuinfo;
keir@21141 2812 xc_physinfo_t physinfo = { 0 };
keir@21141 2813
keir@21141 2814 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21141 2815 return NULL;
keir@21141 2816 }
keir@21141 2817 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
keir@21141 2818 return NULL;
keir@21141 2819 }
keir@21141 2820 *cpusize = physinfo.max_cpu_id + 1;
keir@21141 2821 ptr = libxl_calloc(ctx, domaininfo.max_vcpu_id + 1, sizeof (struct libxl_vcpuinfo));
keir@21141 2822 if (!ptr) {
keir@21141 2823 return NULL;
keir@21141 2824 }
keir@21141 2825
keir@21141 2826 ret = ptr;
keir@21141 2827 for (*nb_vcpu = 0; *nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
keir@21141 2828 ptr->cpumap = libxl_calloc(ctx, (*cpusize + 63) / 64, sizeof (uint64_t));
keir@21141 2829 if (!ptr->cpumap) {
keir@21141 2830 return NULL;
keir@21141 2831 }
keir@21141 2832 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
keir@21141 2833 return NULL;
keir@21141 2834 }
keir@21141 2835 if (xc_vcpu_getaffinity(ctx->xch, domid, *nb_vcpu, ptr->cpumap, *cpusize) == -1) {
keir@21141 2836 return NULL;
keir@21141 2837 }
keir@21141 2838 ptr->vcpuid = *nb_vcpu;
keir@21141 2839 ptr->cpu = vcpuinfo.cpu;
keir@21141 2840 ptr->online = !!vcpuinfo.online;
keir@21141 2841 ptr->blocked = !!vcpuinfo.blocked;
keir@21141 2842 ptr->running = !!vcpuinfo.running;
keir@21141 2843 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141 2844 }
keir@21141 2845 return ret;
keir@21141 2846 }
keir@21142 2847
keir@21142 2848 int libxl_set_vcpuaffinity(struct libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
keir@21142 2849 uint64_t *cpumap, int cpusize)
keir@21142 2850 {
keir@21142 2851 return (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, cpusize));
keir@21142 2852 }
keir@21143 2853
keir@21143 2854 int libxl_set_vcpucount(struct libxl_ctx *ctx, uint32_t domid, uint32_t count)
keir@21143 2855 {
keir@21143 2856 xc_domaininfo_t domaininfo;
keir@21143 2857 char *dompath;
keir@21143 2858 int i;
keir@21143 2859
keir@21143 2860 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21143 2861 return ERROR_FAIL;
keir@21143 2862 }
keir@21143 2863 if (!count || ((domaininfo.max_vcpu_id + 1) < count)) {
keir@21143 2864 return ERROR_INVAL;
keir@21143 2865 }
keir@21143 2866 if (!(dompath = libxl_xs_get_dompath(ctx, domid)))
keir@21143 2867 return ERROR_FAIL;
keir@21143 2868
keir@21143 2869 for (i = 0; i <= domaininfo.max_vcpu_id; ++i) {
keir@21143 2870 libxl_xs_write(ctx, XBT_NULL,
keir@21143 2871 libxl_sprintf(ctx, "%s/cpu/%u/availability", dompath, i),
keir@21143 2872 "%s", ((1 << i) & ((1 << count) - 1)) ? "online" : "offline");
keir@21143 2873 }
keir@21143 2874 return 0;
keir@21143 2875 }
keir@21265 2876
keir@21265 2877 /*
keir@21265 2878 * returns one of the XEN_SCHEDULER_* constants from public/domctl.h
keir@21265 2879 * or -1 if an error occured.
keir@21265 2880 */
keir@21265 2881 int libxl_get_sched_id(struct libxl_ctx *ctx)
keir@21265 2882 {
keir@21265 2883 int sched, ret;
keir@21265 2884
keir@21265 2885 if ((ret = xc_sched_id(ctx->xch, &sched)) != 0)
keir@21265 2886 return ret;
keir@21265 2887 return sched;
keir@21265 2888 }
keir@21292 2889
keir@21292 2890 int libxl_sched_credit_domain_get(struct libxl_ctx *ctx, uint32_t domid, struct libxl_sched_credit *scinfo)
keir@21292 2891 {
keir@21292 2892 struct xen_domctl_sched_credit sdom;
keir@21292 2893 int rc;
keir@21292 2894
keir@21292 2895 rc = xc_sched_credit_domain_get(ctx->xch, domid, &sdom);
keir@21292 2896 if (rc != 0)
keir@21292 2897 return rc;
keir@21292 2898
keir@21292 2899 scinfo->weight = sdom.weight;
keir@21292 2900 scinfo->cap = sdom.cap;
keir@21292 2901
keir@21292 2902 return 0;
keir@21292 2903 }
keir@21292 2904
keir@21292 2905 int libxl_sched_credit_domain_set(struct libxl_ctx *ctx, uint32_t domid, struct libxl_sched_credit *scinfo)
keir@21292 2906 {
keir@21292 2907 struct xen_domctl_sched_credit sdom;
keir@21292 2908 xc_domaininfo_t domaininfo;
keir@21292 2909 int rc;
keir@21292 2910
keir@21292 2911 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo);
keir@21292 2912 if (rc != 1 || domaininfo.domain != domid)
keir@21292 2913 return rc;
keir@21292 2914
keir@21292 2915
keir@21292 2916 if (scinfo->weight < 1 || scinfo->weight > 65535) {
keir@21292 2917 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292 2918 "Cpu weight out of range, valid values are within range from 1 to 65535");
keir@21292 2919 return -1;
keir@21292 2920 }
keir@21292 2921
keir@21292 2922 if (scinfo->cap < 0 || scinfo->cap > (domaininfo.max_vcpu_id + 1) * 100) {
keir@21292 2923 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292 2924 "Cpu cap out of range, valid range is from 0 to %d for specified number of vcpus",
keir@21292 2925 ((domaininfo.max_vcpu_id + 1) * 100));
keir@21292 2926 return -1;
keir@21292 2927 }
keir@21292 2928
keir@21292 2929 sdom.weight = scinfo->weight;
keir@21292 2930 sdom.cap = scinfo->cap;
keir@21292 2931
keir@21292 2932 rc = xc_sched_credit_domain_set(ctx->xch, domid, &sdom);
keir@21292 2933 if (rc != 0)
keir@21292 2934 return rc;
keir@21292 2935
keir@21292 2936 return 0;
keir@21292 2937 }
keir@21292 2938
keir@21393 2939 static int trigger_type_from_string(char *trigger_name)
keir@21393 2940 {
keir@21393 2941 if (!strcmp(trigger_name, "nmi"))
keir@21393 2942 return XEN_DOMCTL_SENDTRIGGER_NMI;
keir@21393 2943 else if (!strcmp(trigger_name, "reset"))
keir@21393 2944 return XEN_DOMCTL_SENDTRIGGER_RESET;
keir@21393 2945 else if (!strcmp(trigger_name, "init"))
keir@21393 2946 return XEN_DOMCTL_SENDTRIGGER_INIT;
keir@21393 2947 else if (!strcmp(trigger_name, "power"))
keir@21393 2948 return XEN_DOMCTL_SENDTRIGGER_POWER;
keir@21393 2949 else if (!strcmp(trigger_name, "sleep"))
keir@21393 2950 return XEN_DOMCTL_SENDTRIGGER_SLEEP;
keir@21393 2951 else
keir@21393 2952 return -1;
keir@21393 2953 }
keir@21393 2954
keir@21393 2955 int libxl_send_trigger(struct libxl_ctx *ctx, uint32_t domid, char *trigger_name, uint32_t vcpuid)
keir@21393 2956 {
keir@21393 2957 int rc = -1;
keir@21393 2958 int trigger_type = trigger_type_from_string(trigger_name);
keir@21393 2959
keir@21393 2960 if (trigger_type == -1) {
keir@21393 2961 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21393 2962 "Invalid trigger, valid triggers are <nmi|reset|init|power|sleep>");
keir@21393 2963 return -1;
keir@21393 2964 }
keir@21393 2965
keir@21393 2966 rc = xc_domain_send_trigger(ctx->xch, domid, trigger_type, vcpuid);
keir@21393 2967 if (rc != 0)
keir@21393 2968 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21393 2969 "Send trigger '%s' failed", trigger_name);
keir@21393 2970
keir@21393 2971 return rc;
keir@21393 2972 }
keir@21402 2973
keir@21402 2974 int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq)
keir@21402 2975 {
keir@21402 2976 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21402 2977
keir@21402 2978 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/control/sysrq", dompath), "%c", sysrq);
keir@21402 2979
keir@21402 2980 return 0;
keir@21402 2981 }
keir@21402 2982
keir@21472 2983 int libxl_send_debug_keys(struct libxl_ctx *ctx, char *keys)
keir@21472 2984 {
keir@21472 2985 return xc_send_debug_keys(ctx->xch, keys);
keir@21472 2986 }
keir@21472 2987
keir@21496 2988 struct libxl_xen_console_reader *
keir@21496 2989 libxl_xen_console_read_start(struct libxl_ctx *ctx, int clear)
keir@21496 2990 {
keir@21496 2991 struct libxl_xen_console_reader *cr;
keir@21496 2992 unsigned int size = 16384;
keir@21496 2993 char *buf = malloc(size);
keir@21496 2994
keir@21496 2995 if (!buf) {
keir@21496 2996 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot malloc buffer for libxl_xen_console_reader,"
keir@21496 2997 " size is %u", size);
keir@21496 2998 return NULL;
keir@21496 2999 }
keir@21496 3000
keir@21496 3001 cr = malloc(sizeof(struct libxl_xen_console_reader));
keir@21496 3002 if (!cr) {
keir@21496 3003 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot malloc libxl_xen_console_reader");
keir@21496 3004 return NULL;
keir@21496 3005 }
keir@21496 3006
keir@21496 3007 memset(cr, 0, sizeof(struct libxl_xen_console_reader));
keir@21496 3008 cr->buffer = buf;
keir@21496 3009 cr->size = size;
keir@21496 3010 cr->count = size;
keir@21496 3011 cr->clear = clear;
keir@21496 3012 cr->incremental = 1;
keir@21496 3013
keir@21496 3014 return cr;
keir@21496 3015 }
keir@21496 3016
keir@21496 3017 /* return values: *line_r
keir@21496 3018 * 1 success, whole line obtained from buffer non-0
keir@21496 3019 * 0 no more lines available right now 0
keir@21496 3020 * negative error code ERROR_* 0
keir@21496 3021 * On success *line_r is updated to point to a nul-terminated
keir@21496 3022 * string which is valid until the next call on the same console
keir@21496 3023 * reader. The libxl caller may overwrite parts of the string
keir@21496 3024 * if it wishes. */
keir@21496 3025 int libxl_xen_console_read_line(struct libxl_ctx *ctx,
keir@21496 3026 struct libxl_xen_console_reader *cr,
keir@21496 3027 char **line_r)
keir@21496 3028 {
keir@21496 3029 int ret;
keir@21496 3030
keir@21496 3031 memset(cr->buffer, 0, cr->size);
keir@21496 3032 ret = xc_readconsolering(ctx->xch, &cr->buffer, &cr->count,
keir@21496 3033 cr->clear, cr->incremental, &cr->index);
keir@21496 3034 if (!ret) {
keir@21496 3035 if (cr->count) {
keir@21496 3036 *line_r = cr->buffer;
keir@21496 3037 ret = 1;
keir@21496 3038 } else {
keir@21496 3039 *line_r = NULL;
keir@21496 3040 ret = 0;
keir@21496 3041 }
keir@21496 3042 }
keir@21496 3043
keir@21496 3044 return ret;
keir@21496 3045 }
keir@21496 3046
keir@21496 3047 void libxl_xen_console_read_finish(struct libxl_ctx *ctx,
keir@21496 3048 struct libxl_xen_console_reader *cr)
keir@21496 3049 {
keir@21496 3050 free(cr->buffer);
keir@21496 3051 free(cr);
keir@21496 3052 }
keir@21496 3053
keir@21425 3054 uint32_t libxl_vm_get_start_time(struct libxl_ctx *ctx, uint32_t domid)
keir@21425 3055 {
keir@21425 3056 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21425 3057 char *vm_path, *start_time;
keir@21425 3058
keir@21425 3059 vm_path = libxl_xs_read(
keir@21425 3060 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vm", dompath));
keir@21425 3061 start_time = libxl_xs_read(
keir@21425 3062 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/start_time", vm_path));
keir@21425 3063 if (start_time == NULL) {
keir@21425 3064 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21425 3065 "Can't get start time of domain '%d'", domid);
keir@21425 3066 return -1;
keir@21425 3067 }
keir@21425 3068
keir@21425 3069 return strtoul(start_time, NULL, 10);
keir@21425 3070 }
keir@21425 3071
keir@21471 3072 char *libxl_tmem_list(struct libxl_ctx *ctx, uint32_t domid, int use_long)
keir@21471 3073 {
keir@21471 3074 int rc;
keir@21471 3075 char _buf[32768];
keir@21471 3076
keir@21471 3077 rc = xc_tmem_control(ctx->xch, -1, TMEMC_LIST, domid, 32768, use_long,
keir@21471 3078 0, _buf);
keir@21471 3079 if (rc < 0) {
keir@21471 3080 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3081 "Can not get tmem list");
keir@21471 3082 return NULL;
keir@21471 3083 }
keir@21471 3084
keir@21471 3085 return strdup(_buf);
keir@21471 3086 }
keir@21471 3087
keir@21471 3088 int libxl_tmem_freeze(struct libxl_ctx *ctx, uint32_t domid)
keir@21471 3089 {
keir@21471 3090 int rc;
keir@21471 3091
keir@21471 3092 rc = xc_tmem_control(ctx->xch, -1, TMEMC_FREEZE, domid, 0, 0,
keir@21471 3093 0, NULL);
keir@21471 3094 if (rc < 0) {
keir@21471 3095 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3096 "Can not freeze tmem pools");
keir@21471 3097 return -1;
keir@21471 3098 }
keir@21471 3099
keir@21471 3100 return rc;
keir@21471 3101 }
keir@21471 3102
keir@21471 3103 int libxl_tmem_destroy(struct libxl_ctx *ctx, uint32_t domid)
keir@21471 3104 {
keir@21471 3105 int rc;
keir@21471 3106
keir@21471 3107 rc = xc_tmem_control(ctx->xch, -1, TMEMC_DESTROY, domid, 0, 0,
keir@21471 3108 0, NULL);
keir@21471 3109 if (rc < 0) {
keir@21471 3110 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3111 "Can not destroy tmem pools");
keir@21471 3112 return -1;
keir@21471 3113 }
keir@21471 3114
keir@21471 3115 return rc;
keir@21471 3116 }
keir@21471 3117
keir@21471 3118 int libxl_tmem_thaw(struct libxl_ctx *ctx, uint32_t domid)
keir@21471 3119 {
keir@21471 3120 int rc;
keir@21471 3121
keir@21471 3122 rc = xc_tmem_control(ctx->xch, -1, TMEMC_THAW, domid, 0, 0,
keir@21471 3123 0, NULL);
keir@21471 3124 if (rc < 0) {
keir@21471 3125 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3126 "Can not thaw tmem pools");
keir@21471 3127 return -1;
keir@21471 3128 }
keir@21471 3129
keir@21471 3130 return rc;
keir@21471 3131 }
keir@21471 3132
keir@21471 3133 static int32_t tmem_setop_from_string(char *set_name)
keir@21471 3134 {
keir@21471 3135 if (!strcmp(set_name, "weight"))
keir@21471 3136 return TMEMC_SET_WEIGHT;
keir@21471 3137 else if (!strcmp(set_name, "cap"))
keir@21471 3138 return TMEMC_SET_CAP;
keir@21471 3139 else if (!strcmp(set_name, "compress"))
keir@21471 3140 return TMEMC_SET_COMPRESS;
keir@21471 3141 else
keir@21471 3142 return -1;
keir@21471 3143 }
keir@21471 3144
keir@21471 3145 int libxl_tmem_set(struct libxl_ctx *ctx, uint32_t domid, char* name, uint32_t set)
keir@21471 3146 {
keir@21471 3147 int rc;
keir@21471 3148 int32_t subop = tmem_setop_from_string(name);
keir@21471 3149
keir@21471 3150 if (subop == -1) {
keir@21471 3151 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21471 3152 "Invalid set, valid sets are <weight|cap|compress>");
keir@21471 3153 return -1;
keir@21471 3154 }
keir@21471 3155 rc = xc_tmem_control(ctx->xch, -1, subop, domid, set, 0, 0, NULL);
keir@21471 3156 if (rc < 0) {
keir@21471 3157 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3158 "Can not set tmem %s", name);
keir@21471 3159 return -1;
keir@21471 3160 }
keir@21471 3161
keir@21471 3162 return rc;
keir@21471 3163 }
keir@21471 3164
keir@21471 3165 int libxl_tmem_shared_auth(struct libxl_ctx *ctx, uint32_t domid,
keir@21471 3166 char* uuid, int auth)
keir@21471 3167 {
keir@21471 3168 int rc;
keir@21471 3169
keir@21471 3170 rc = xc_tmem_auth(ctx->xch, domid, uuid, auth);
keir@21471 3171 if (rc < 0) {
keir@21471 3172 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471 3173 "Can not set tmem shared auth");
keir@21471 3174 return -1;
keir@21471 3175 }
keir@21471 3176
keir@21471 3177 return rc;
keir@21471 3178 }
keir@21471 3179