debuggers.hg

annotate tools/libxl/libxl.c @ 20860:abc717dc6c2a

libxenlight: separate logically list_vm and list_domain

previously list_domain was something between listing VM and domains.
provide 2 separates API calls to list domains and list vms. the list
vms API filters utility domains like stubdomains, and domain 0

change is_stubdom to properly check the integer and also return a
boolean value.

Signed-off-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Sun Jan 17 18:05:03 2010 +0000 (2010-01-17)
parents 7a412f9f6aae
children d7e8b6a66a3d
rev   line source
keir@20462 1 /*
keir@20462 2 * Copyright (C) 2009 Citrix Ltd.
keir@20462 3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462 4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462 5 *
keir@20462 6 * This program is free software; you can redistribute it and/or modify
keir@20462 7 * it under the terms of the GNU Lesser General Public License as published
keir@20462 8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462 9 * exception on linking described in file LICENSE.
keir@20462 10 *
keir@20462 11 * This program is distributed in the hope that it will be useful,
keir@20462 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462 14 * GNU Lesser General Public License for more details.
keir@20462 15 */
keir@20462 16
keir@20513 17 #include "libxl_osdeps.h"
keir@20513 18
keir@20462 19 #include <stdio.h>
keir@20462 20 #include <string.h>
keir@20462 21 #include <stdlib.h>
keir@20462 22 #include <sys/types.h>
keir@20462 23 #include <fcntl.h>
keir@20462 24 #include <sys/select.h>
keir@20514 25 #include <sys/wait.h>
keir@20462 26 #include <signal.h>
keir@20468 27 #include <unistd.h> /* for write, unlink and close */
keir@20509 28 #include <stdint.h>
keir@20509 29 #include <inttypes.h>
keir@20514 30 #include <assert.h>
keir@20513 31
keir@20462 32 #include "libxl.h"
keir@20462 33 #include "libxl_utils.h"
keir@20462 34 #include "libxl_internal.h"
keir@20462 35 #include "flexarray.h"
keir@20462 36
keir@20860 37 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860 38
keir@20788 39 int libxl_ctx_init(struct libxl_ctx *ctx, int version)
keir@20462 40 {
keir@20788 41 if (version != LIBXL_VERSION)
keir@20788 42 return ERROR_VERSION;
keir@20462 43 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462 44 ctx->alloc_maxsize = 256;
keir@20462 45 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462 46 if (!ctx->alloc_ptrs)
keir@20462 47 return ERROR_NOMEM;
keir@20462 48
keir@20462 49 ctx->xch = xc_interface_open();
keir@20819 50 if (ctx->xch == -1) {
keir@20819 51 free(ctx->alloc_ptrs);
keir@20819 52 return ERROR_FAIL;
keir@20819 53 }
keir@20819 54
keir@20462 55 ctx->xsh = xs_daemon_open();
keir@20819 56 if (!ctx->xsh) {
keir@20819 57 xc_interface_close(ctx->xch);
keir@20819 58 free(ctx->alloc_ptrs);
keir@20819 59 return ERROR_FAIL;
keir@20819 60 }
keir@20462 61 return 0;
keir@20462 62 }
keir@20462 63
keir@20462 64 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462 65 {
keir@20462 66 libxl_free_all(ctx);
keir@20462 67 free(ctx->alloc_ptrs);
keir@20462 68 xc_interface_close(ctx->xch);
keir@20545 69 xs_daemon_close(ctx->xsh);
keir@20462 70 return 0;
keir@20462 71 }
keir@20462 72
keir@20462 73 int libxl_ctx_set_log(struct libxl_ctx *ctx, libxl_log_callback log_callback, void *log_data)
keir@20462 74 {
keir@20462 75 ctx->log_callback = log_callback;
keir@20462 76 ctx->log_userdata = log_data;
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@20462 85 int flags, ret, i;
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@20801 96 uuid_string = string_of_uuid(ctx, info->uuid);
keir@20462 97 if (!uuid_string) {
keir@20801 98 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate uuid string");
keir@20462 99 return ERROR_FAIL;
keir@20462 100 }
keir@20462 101
keir@20462 102 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462 103 flags |= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@20824 104 *domid = -1;
keir@20462 105
keir@20580 106 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580 107 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468 108
keir@20468 109 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462 110 if (ret < 0) {
keir@20512 111 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462 112 return ERROR_FAIL;
keir@20462 113 }
keir@20462 114
keir@20462 115 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512 116 if (!dom_path)
keir@20512 117 return ERROR_FAIL;
keir@20512 118
keir@20462 119 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462 120 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512 121 if (!vm_path || !vss_path) {
keir@20462 122 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462 123 return ERROR_FAIL;
keir@20462 124 }
keir@20462 125
keir@20462 126 roperm[0].id = 0;
keir@20462 127 roperm[0].perms = XS_PERM_NONE;
keir@20462 128 roperm[1].id = *domid;
keir@20462 129 roperm[1].perms = XS_PERM_READ;
keir@20462 130 rwperm[0].id = *domid;
keir@20462 131 rwperm[0].perms = XS_PERM_NONE;
keir@20462 132
keir@20462 133 retry_transaction:
keir@20462 134 t = xs_transaction_start(ctx->xsh);
keir@20462 135 xs_rm(ctx->xsh, t, dom_path);
keir@20462 136 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462 137 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462 138
keir@20462 139 xs_rm(ctx->xsh, t, vm_path);
keir@20462 140 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462 141 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462 142
keir@20462 143 xs_rm(ctx->xsh, t, vss_path);
keir@20462 144 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462 145 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 146
keir@20462 147 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462 148 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462 149 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462 150
keir@20462 151 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462 152 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462 153 xs_mkdir(ctx->xsh, t, path);
keir@20462 154 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462 155 libxl_free(ctx, path);
keir@20462 156 }
keir@20462 157 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462 158 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462 159 xs_mkdir(ctx->xsh, t, path);
keir@20462 160 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462 161 libxl_free(ctx, path);
keir@20462 162 }
keir@20462 163
keir@20462 164 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462 165 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462 166
keir@20462 167 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462 168 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462 169
keir@20462 170 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462 171
keir@20462 172 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462 173 if (errno == EAGAIN)
keir@20462 174 goto retry_transaction;
keir@20462 175 return 0;
keir@20462 176 }
keir@20462 177
keir@20516 178 int libxl_domain_build(struct libxl_ctx *ctx, libxl_domain_build_info *info, uint32_t domid, libxl_domain_build_state *state)
keir@20462 179 {
keir@20462 180 char **vments = NULL, **localents = NULL;
keir@20829 181 int i, ret;
keir@20829 182
keir@20829 183 ret = build_pre(ctx, domid, info, state);
keir@20829 184 if (ret) goto out;
keir@20462 185
keir@20462 186 if (info->hvm) {
keir@20829 187 ret = build_hvm(ctx, domid, info, state);
keir@20829 188 if (ret) goto out;
keir@20829 189
keir@20509 190 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 191 vments[0] = "rtc/timeoffset";
keir@20516 192 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516 193 vments[2] = "image/ostype";
keir@20516 194 vments[3] = "hvm";
keir@20462 195 } else {
keir@20829 196 ret = build_pv(ctx, domid, info, state);
keir@20829 197 if (ret) goto out;
keir@20829 198
keir@20509 199 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578 200 i = 0;
keir@20578 201 vments[i++] = "image/ostype";
keir@20578 202 vments[i++] = "linux";
keir@20578 203 vments[i++] = "image/kernel";
keir@20578 204 vments[i++] = (char*) info->kernel;
keir@20578 205 if (info->u.pv.ramdisk) {
keir@20578 206 vments[i++] = "image/ramdisk";
keir@20578 207 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578 208 }
keir@20578 209 if (info->u.pv.cmdline) {
keir@20578 210 vments[i++] = "image/cmdline";
keir@20578 211 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578 212 }
keir@20462 213 }
keir@20829 214 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829 215 out:
keir@20829 216 return ret;
keir@20462 217 }
keir@20462 218
keir@20462 219 int libxl_domain_restore(struct libxl_ctx *ctx, libxl_domain_build_info *info,
keir@20565 220 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565 221 libxl_device_model_info *dm_info)
keir@20462 222 {
keir@20462 223 char **vments = NULL, **localents = NULL;
keir@20829 224 int i, ret;
keir@20462 225
keir@20829 226 ret = build_pre(ctx, domid, info, state);
keir@20829 227 if (ret) goto out;
keir@20829 228
keir@20829 229 ret = restore_common(ctx, domid, info, state, fd);
keir@20829 230 if (ret) goto out;
keir@20829 231
keir@20462 232 if (info->hvm) {
keir@20565 233 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516 234 vments[0] = "rtc/timeoffset";
keir@20516 235 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565 236 vments[2] = "image/ostype";
keir@20565 237 vments[3] = "hvm";
keir@20462 238 } else {
keir@20565 239 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627 240 i = 0;
keir@20627 241 vments[i++] = "image/ostype";
keir@20627 242 vments[i++] = "linux";
keir@20627 243 vments[i++] = "image/kernel";
keir@20627 244 vments[i++] = (char*) info->kernel;
keir@20627 245 if (info->u.pv.ramdisk) {
keir@20627 246 vments[i++] = "image/ramdisk";
keir@20627 247 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627 248 }
keir@20627 249 if (info->u.pv.cmdline) {
keir@20627 250 vments[i++] = "image/cmdline";
keir@20627 251 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627 252 }
keir@20462 253 }
keir@20829 254 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829 255 if (ret) goto out;
keir@20829 256
keir@20565 257 if (info->hvm)
keir@20565 258 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565 259 else
keir@20565 260 dm_info->saved_state = NULL;
keir@20829 261 out:
keir@20829 262 return ret;
keir@20462 263 }
keir@20462 264
keir@20629 265 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629 266 {
keir@20629 267 if (is_hvm(ctx, domid)) {
keir@20629 268 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629 269 "non-cooperative hvm domain %u", domid);
keir@20629 270 return ERROR_NI;
keir@20629 271 }
keir@20629 272 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629 273 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 274 "xc_domain_resume failed for domain %u",
keir@20629 275 domid);
keir@20629 276 return ERROR_FAIL;
keir@20629 277 }
keir@20629 278 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629 279 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629 280 "xs_resume_domain failed for domain %u",
keir@20629 281 domid);
keir@20629 282 return ERROR_FAIL;
keir@20629 283 }
keir@20629 284 return 0;
keir@20629 285 }
keir@20629 286
keir@20860 287 struct libxl_dominfo * libxl_list_domain(struct libxl_ctx *ctx, int *nb_domain)
keir@20462 288 {
keir@20462 289 struct libxl_dominfo *ptr;
keir@20860 290 int index, i, ret;
keir@20822 291 xc_domaininfo_t info[1024];
keir@20822 292 int size = 1024;
keir@20462 293
keir@20516 294 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462 295 if (!ptr)
keir@20462 296 return NULL;
keir@20822 297
keir@20860 298 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
keir@20860 299 for (index = i = 0; i < ret; i++) {
keir@20579 300 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20462 301 ptr[index].domid = info[i].domain;
keir@20784 302
keir@20784 303 if (info[i].flags & XEN_DOMINF_dying)
keir@20784 304 ptr[index].dying = 1;
keir@20784 305 else if (info[i].flags & XEN_DOMINF_paused)
keir@20784 306 ptr[index].paused = 1;
keir@20784 307 else if (info[i].flags & XEN_DOMINF_blocked || info[i].flags & XEN_DOMINF_running)
keir@20784 308 ptr[index].running = 1;
keir@20860 309 ptr[index].max_memkb = PAGE_TO_MEMKB(info[i].max_pages);
keir@20860 310 ptr[index].cpu_time = info[i].cpu_time;
keir@20860 311 ptr[index].vcpu_max_id = info[i].max_vcpu_id;
keir@20860 312 ptr[index].vcpu_online = info[i].nr_online_vcpus;
keir@20784 313
keir@20462 314 index++;
keir@20462 315 }
keir@20462 316 *nb_domain = index;
keir@20462 317 return ptr;
keir@20462 318 }
keir@20462 319
keir@20860 320 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
keir@20860 321 struct libxl_vminfo * libxl_list_vm(struct libxl_ctx *ctx, int *nb_vm)
keir@20860 322 {
keir@20860 323 struct libxl_vminfo *ptr;
keir@20860 324 int index, i, ret;
keir@20860 325 xc_domaininfo_t info[1024];
keir@20860 326 int size = 1024;
keir@20860 327
keir@20860 328 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20860 329 if (!ptr)
keir@20860 330 return NULL;
keir@20860 331
keir@20860 332 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
keir@20860 333 for (index = i = 0; i < ret; i++) {
keir@20860 334 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860 335 continue;
keir@20860 336 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860 337 ptr[index].domid = info[i].domain;
keir@20860 338
keir@20860 339 index++;
keir@20860 340 }
keir@20860 341 *nb_vm = index;
keir@20860 342 return ptr;
keir@20860 343 }
keir@20860 344
keir@20462 345 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info *info,
keir@20462 346 uint32_t domid, int fd)
keir@20462 347 {
keir@20565 348 int hvm = is_hvm(ctx, domid);
keir@20565 349 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565 350 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462 351
keir@20462 352 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565 353 if (hvm)
keir@20779 354 save_device_model(ctx, domid, fd);
keir@20462 355 return 0;
keir@20462 356 }
keir@20462 357
keir@20462 358 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 359 {
keir@20462 360 xc_domain_pause(ctx->xch, domid);
keir@20462 361 return 0;
keir@20462 362 }
keir@20462 363
keir@20462 364 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 365 {
keir@20779 366 char *path;
keir@20565 367 char *state;
keir@20565 368
keir@20565 369 if (is_hvm(ctx, domid)) {
keir@20779 370 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565 371 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565 372 if (state != NULL && !strcmp(state, "paused")) {
keir@20565 373 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565 374 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565 375 }
keir@20565 376 }
keir@20462 377 xc_domain_unpause(ctx->xch, domid);
keir@20565 378
keir@20462 379 return 0;
keir@20462 380 }
keir@20462 381
keir@20462 382 static char *req_table[] = {
keir@20462 383 [0] = "poweroff",
keir@20462 384 [1] = "reboot",
keir@20462 385 [2] = "suspend",
keir@20462 386 [3] = "crash",
keir@20462 387 [4] = "halt",
keir@20462 388 };
keir@20462 389
keir@20462 390 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462 391 {
keir@20462 392 char *shutdown_path;
keir@20462 393 char *dom_path;
keir@20462 394
keir@20462 395 if (req > ARRAY_SIZE(req_table))
keir@20462 396 return ERROR_INVAL;
keir@20462 397
keir@20462 398 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 399 if (!dom_path)
keir@20512 400 return ERROR_FAIL;
keir@20512 401
keir@20462 402 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462 403
keir@20462 404 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462 405 if (/* hvm */ 0) {
keir@20462 406 unsigned long acpi_s_state = 0;
keir@20462 407 unsigned long pvdriver = 0;
keir@20462 408 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462 409 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462 410 if (!pvdriver && acpi_s_state != 0)
keir@20462 411 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462 412 }
keir@20462 413 return 0;
keir@20462 414 }
keir@20462 415
keir@20637 416 int libxl_get_wait_fd(struct libxl_ctx *ctx, int *fd)
keir@20545 417 {
keir@20545 418 *fd = xs_fileno(ctx->xsh);
keir@20545 419 return 0;
keir@20545 420 }
keir@20545 421
keir@20637 422 int libxl_wait_for_domain_death(struct libxl_ctx *ctx, uint32_t domid, libxl_waiter *waiter)
keir@20637 423 {
keir@20637 424 waiter->path = strdup("@releaseDomain");
keir@20637 425 asprintf(&(waiter->token), "%d", DOMAIN_DEATH);
keir@20637 426 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637 427 return -1;
keir@20637 428 return 0;
keir@20637 429 }
keir@20637 430
keir@20637 431 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 432 {
keir@20637 433 int i;
keir@20637 434 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637 435
keir@20637 436 if (!domid)
keir@20637 437 domid = guest_domid;
keir@20637 438
keir@20637 439 for (i = 0; i < num_disks; i++) {
keir@20637 440 asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject", libxl_xs_get_dompath(ctx, domid), device_disk_dev_number(disks[i].virtpath));
keir@20637 441 asprintf(&(waiter[i].token), "%d", DISK_EJECT);
keir@20637 442 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637 443 }
keir@20637 444 return 0;
keir@20637 445 }
keir@20637 446
keir@20637 447 int libxl_get_event(struct libxl_ctx *ctx, libxl_event *event)
keir@20545 448 {
keir@20545 449 unsigned int num;
keir@20637 450 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637 451 if (num != 2) {
keir@20637 452 free(events);
keir@20637 453 return -1;
keir@20637 454 }
keir@20637 455 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637 456 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637 457 event->type = atoi(event->token);
keir@20637 458 free(events);
keir@20637 459 return 0;
keir@20637 460 }
keir@20637 461
keir@20637 462 int libxl_stop_waiting(struct libxl_ctx *ctx, libxl_waiter *waiter)
keir@20637 463 {
keir@20637 464 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637 465 return -1;
keir@20637 466 else
keir@20637 467 return 0;
keir@20637 468 }
keir@20637 469
keir@20637 470 int libxl_free_event(libxl_event *event)
keir@20637 471 {
keir@20637 472 free(event->path);
keir@20637 473 free(event->token);
keir@20637 474 return 0;
keir@20637 475 }
keir@20637 476
keir@20637 477 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637 478 {
keir@20637 479 free(waiter->path);
keir@20637 480 free(waiter->token);
keir@20637 481 return 0;
keir@20637 482 }
keir@20637 483
keir@20785 484 int libxl_event_get_domain_death_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, xc_domaininfo_t *info)
keir@20637 485 {
keir@20785 486 int rc = 0, ret;
keir@20545 487
keir@20637 488 if (event && event->type == DOMAIN_DEATH) {
keir@20785 489 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785 490 if (ret == 1 && info->domain == domid) {
keir@20785 491 if (info->flags & XEN_DOMINF_running ||
keir@20785 492 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545 493 goto out;
keir@20545 494 rc = 1;
keir@20545 495 goto out;
keir@20545 496 }
keir@20785 497 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545 498 rc = 1;
keir@20545 499 goto out;
keir@20545 500 }
keir@20545 501 out:
keir@20545 502 return rc;
keir@20545 503 }
keir@20545 504
keir@20637 505 int libxl_event_get_disk_eject_info(struct libxl_ctx *ctx, uint32_t domid, libxl_event *event, libxl_device_disk *disk)
keir@20637 506 {
keir@20637 507 if (event && event->type == DISK_EJECT) {
keir@20637 508 char *path;
keir@20637 509 char *backend;
keir@20637 510 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637 511
keir@20637 512 if (!value || strcmp(value, "eject"))
keir@20637 513 return 0;
keir@20637 514
keir@20637 515 path = strdup(event->path);
keir@20637 516 path[strlen(path) - 6] = '\0';
keir@20637 517 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637 518
keir@20637 519 disk->backend_domid = 0;
keir@20637 520 disk->domid = domid;
keir@20637 521 disk->physpath = NULL;
keir@20637 522 disk->phystype = 0;
keir@20637 523 /* this value is returned to the user: do not free right away */
keir@20637 524 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637 525 disk->unpluggable = 1;
keir@20637 526 disk->readwrite = 0;
keir@20637 527 disk->is_cdrom = 1;
keir@20637 528
keir@20637 529 free(path);
keir@20637 530 return 1;
keir@20637 531 }
keir@20637 532 return 0;
keir@20637 533 }
keir@20637 534
keir@20462 535 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 536 {
keir@20462 537 char *pid;
keir@20462 538 int ret;
keir@20462 539
keir@20462 540 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462 541 if (!pid) {
keir@20542 542 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542 543 if (!stubdomid) {
keir@20542 544 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542 545 return -1;
keir@20542 546 }
keir@20542 547 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542 548 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462 549 }
keir@20462 550 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462 551
keir@20462 552 ret = kill(atoi(pid), SIGHUP);
keir@20462 553 if (ret < 0 && errno == ESRCH) {
keir@20512 554 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462 555 ret = 0;
keir@20462 556 } else if (ret == 0) {
keir@20512 557 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462 558 ret = 0;
keir@20462 559 } else {
keir@20512 560 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512 561 atoi(pid));
keir@20462 562 }
keir@20462 563 return ret;
keir@20462 564 }
keir@20462 565
keir@20462 566 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462 567 {
keir@20801 568 char *dom_path;
keir@20779 569 char *vm_path, *vss_path, *xapi_path;
keir@20628 570 int rc, dm_present;
keir@20628 571
keir@20628 572 if (is_hvm(ctx, domid)) {
keir@20628 573 dm_present = 1;
keir@20628 574 } else {
keir@20628 575 char *pid;
keir@20628 576 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628 577 dm_present = (pid != NULL);
keir@20628 578 libxl_free(ctx, pid);
keir@20628 579 }
keir@20462 580
keir@20462 581 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512 582 if (!dom_path)
keir@20462 583 return -1;
keir@20512 584
keir@20482 585 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512 586 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628 587 if (dm_present) {
keir@20628 588 xs_write(ctx->xsh, XBT_NULL,
keir@20628 589 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628 590 "shutdown", strlen("shutdown"));
keir@20628 591 }
keir@20512 592 rc = xc_domain_pause(ctx->xch, domid);
keir@20512 593 if (rc < 0) {
keir@20512 594 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462 595 return -1;
keir@20462 596 }
keir@20628 597 if (dm_present) {
keir@20628 598 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628 599 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628 600 }
keir@20462 601 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512 602 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462 603 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512 604 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779 605
keir@20801 606 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", domid));
keir@20823 607 if (vm_path)
keir@20823 608 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823 609 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779 610
keir@20801 611 vss_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vss", domid));
keir@20823 612 if (vss_path)
keir@20823 613 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20823 614 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779 615
keir@20779 616 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20823 617 if (xapi_path)
keir@20823 618 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20823 619 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779 620
keir@20545 621 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545 622 if (rc < 0) {
keir@20545 623 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545 624 return -1;
keir@20545 625 }
keir@20462 626 return 0;
keir@20462 627 }
keir@20462 628
keir@20564 629 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564 630 {
keir@20564 631 struct stat st;
keir@20564 632 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564 633 char *cmd;
keir@20564 634
keir@20564 635 if (stat(XENCONSOLE, &st) != 0) {
keir@20564 636 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564 637 return ERROR_FAIL;
keir@20564 638 }
keir@20564 639
keir@20564 640 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564 641 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564 642 }
keir@20564 643
keir@20462 644 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462 645 libxl_device_model_info *info,
keir@20462 646 libxl_device_nic *vifs,
keir@20462 647 int num_vifs)
keir@20462 648 {
keir@20462 649 int num = 0, i;
keir@20462 650 flexarray_t *dm_args;
keir@20462 651 dm_args = flexarray_make(16, 1);
keir@20462 652 if (!dm_args)
keir@20462 653 return NULL;
keir@20462 654
keir@20516 655 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516 656 flexarray_set(dm_args, num++, "-d");
keir@20462 657
keir@20462 658 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462 659
keir@20462 660 if (info->dom_name) {
keir@20516 661 flexarray_set(dm_args, num++, "-domain-name");
keir@20516 662 flexarray_set(dm_args, num++, info->dom_name);
keir@20462 663 }
keir@20462 664 if (info->vnc || info->vncdisplay || info->vnclisten || info->vncunused) {
keir@20516 665 flexarray_set(dm_args, num++, "-vnc");
keir@20462 666 if (info->vncdisplay) {
keir@20462 667 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462 668 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462 669 } else {
keir@20462 670 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462 671 }
keir@20462 672 } else if (info->vnclisten) {
keir@20462 673 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516 674 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462 675 } else {
keir@20462 676 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462 677 }
keir@20462 678 } else {
keir@20516 679 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462 680 }
keir@20462 681 if (info->vncunused) {
keir@20516 682 flexarray_set(dm_args, num++, "-vncunused");
keir@20462 683 }
keir@20462 684 }
keir@20462 685 if (info->sdl || info->opengl) {
keir@20516 686 flexarray_set(dm_args, num++, "-sdl");
keir@20462 687 if (info->opengl) {
keir@20516 688 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462 689 }
keir@20462 690 }
keir@20462 691 if (info->keymap) {
keir@20516 692 flexarray_set(dm_args, num++, "-k");
keir@20516 693 flexarray_set(dm_args, num++, info->keymap);
keir@20462 694 }
keir@20462 695 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516 696 flexarray_set(dm_args, num++, "-nographic");
keir@20462 697 }
keir@20462 698 if (info->serial) {
keir@20516 699 flexarray_set(dm_args, num++, "-serial");
keir@20516 700 flexarray_set(dm_args, num++, info->serial);
keir@20462 701 }
keir@20509 702 if (info->type == XENFV) {
keir@20509 703 if (info->videoram) {
keir@20516 704 flexarray_set(dm_args, num++, "-videoram");
keir@20509 705 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509 706 }
keir@20509 707 if (info->stdvga) {
keir@20516 708 flexarray_set(dm_args, num++, "-std-vga");
keir@20509 709 }
keir@20509 710
keir@20509 711 if (info->boot) {
keir@20516 712 flexarray_set(dm_args, num++, "-boot");
keir@20516 713 flexarray_set(dm_args, num++, info->boot);
keir@20509 714 }
keir@20509 715 if (info->usb) {
keir@20516 716 flexarray_set(dm_args, num++, "-usb");
keir@20509 717 if (info->usbdevice) {
keir@20516 718 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516 719 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509 720 }
keir@20509 721 }
keir@20509 722 if (info->apic) {
keir@20516 723 flexarray_set(dm_args, num++, "-acpi");
keir@20509 724 }
keir@20509 725 for (i = 0; i < num_vifs; i++) {
keir@20509 726 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780 727 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780 728 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780 729 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781 730 if (!vifs[i].ifname)
keir@20781 731 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516 732 flexarray_set(dm_args, num++, "-net");
keir@20509 733 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780 734 vifs[i].devid, smac, vifs[i].model));
keir@20516 735 flexarray_set(dm_args, num++, "-net");
keir@20509 736 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509 737 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509 738 }
keir@20462 739 }
keir@20462 740 }
keir@20565 741 if (info->saved_state) {
keir@20565 742 flexarray_set(dm_args, num++, "-loadvm");
keir@20565 743 flexarray_set(dm_args, num++, info->saved_state);
keir@20565 744 }
keir@20509 745 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509 746 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516 747 flexarray_set(dm_args, num++, "-M");
keir@20509 748 if (info->type == XENPV)
keir@20516 749 flexarray_set(dm_args, num++, "xenpv");
keir@20509 750 else
keir@20516 751 flexarray_set(dm_args, num++, "xenfv");
keir@20462 752 flexarray_set(dm_args, num++, NULL);
keir@20462 753
keir@20462 754 return (char **) flexarray_contents(dm_args);
keir@20462 755 }
keir@20462 756
keir@20834 757 void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834 758 {
keir@20514 759 struct libxl_device_model_starting *starting = for_spawn;
keir@20514 760 char *kvs[3];
keir@20820 761 int rc;
keir@20820 762 struct xs_handle *xsh;
keir@20514 763
keir@20820 764 xsh = xs_daemon_open();
keir@20514 765 /* we mustn't use the parent's handle in the child */
keir@20514 766
keir@20514 767 kvs[0] = "image/device-model-pid";
keir@20820 768 asprintf(&kvs[1], "%d", innerchild);
keir@20514 769 kvs[2] = NULL;
keir@20820 770
keir@20820 771 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820 772 if (rc)
keir@20820 773 return;
keir@20820 774 xs_daemon_close(xsh);
keir@20514 775 }
keir@20514 776
keir@20542 777 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542 778 libxl_device_model_info *info,
keir@20542 779 libxl_device_vfb *vfb,
keir@20542 780 libxl_device_vkb *vkb)
keir@20542 781 {
keir@20542 782 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542 783 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542 784
keir@20542 785 vfb->backend_domid = 0;
keir@20542 786 vfb->devid = 0;
keir@20542 787 vfb->vnc = info->vnc;
keir@20542 788 vfb->vnclisten = info->vnclisten;
keir@20542 789 vfb->vncdisplay = info->vncdisplay;
keir@20542 790 vfb->vncunused = info->vncunused;
keir@20542 791 vfb->keymap = info->keymap;
keir@20542 792 vfb->sdl = info->sdl;
keir@20542 793 vfb->opengl = info->opengl;
keir@20542 794
keir@20542 795 vkb->backend_domid = 0;
keir@20542 796 vkb->devid = 0;
keir@20542 797 return 0;
keir@20542 798 }
keir@20542 799
keir@20542 800 static int libxl_write_dmargs(struct libxl_ctx *ctx, int domid, int guest_domid, char **args)
keir@20542 801 {
keir@20542 802 int i;
keir@20542 803 char *vm_path;
keir@20542 804 char *dmargs, *path;
keir@20542 805 int dmargs_size;
keir@20542 806 struct xs_permissions roperm[2];
keir@20542 807 xs_transaction_t t;
keir@20542 808
keir@20542 809 roperm[0].id = 0;
keir@20542 810 roperm[0].perms = XS_PERM_NONE;
keir@20542 811 roperm[1].id = domid;
keir@20542 812 roperm[1].perms = XS_PERM_READ;
keir@20542 813
keir@20542 814 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542 815
keir@20542 816 i = 0;
keir@20542 817 dmargs_size = 0;
keir@20542 818 while (args[i] != NULL) {
keir@20542 819 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542 820 i++;
keir@20542 821 }
keir@20542 822 dmargs_size++;
keir@20542 823 dmargs = (char *) malloc(dmargs_size);
keir@20542 824 i = 1;
keir@20542 825 dmargs[0] = '\0';
keir@20542 826 while (args[i] != NULL) {
keir@20542 827 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542 828 strcat(dmargs, " ");
keir@20542 829 strcat(dmargs, args[i]);
keir@20542 830 }
keir@20542 831 i++;
keir@20542 832 }
keir@20542 833 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542 834
keir@20542 835 retry_transaction:
keir@20542 836 t = xs_transaction_start(ctx->xsh);
keir@20542 837 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542 838 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542 839 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542 840 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 841 if (errno == EAGAIN)
keir@20542 842 goto retry_transaction;
keir@20542 843 free(dmargs);
keir@20542 844 return 0;
keir@20542 845 }
keir@20542 846
keir@20542 847 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542 848 libxl_device_model_info *info,
keir@20542 849 libxl_device_disk *disks, int num_disks,
keir@20542 850 libxl_device_nic *vifs, int num_vifs,
keir@20542 851 libxl_device_vfb *vfb,
keir@20542 852 libxl_device_vkb *vkb,
keir@20542 853 libxl_device_model_starting **starting_r)
keir@20542 854 {
keir@20843 855 int i, num_console = 1, ret;
keir@20570 856 libxl_device_console *console;
keir@20542 857 libxl_domain_create_info c_info;
keir@20542 858 libxl_domain_build_info b_info;
keir@20542 859 libxl_domain_build_state state;
keir@20542 860 uint32_t domid;
keir@20542 861 char **args;
keir@20542 862 struct xs_permissions perm[2];
keir@20542 863 xs_transaction_t t;
keir@20594 864 libxl_device_model_starting *dm_starting = 0;
keir@20542 865
keir@20542 866 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542 867 if (!args)
keir@20542 868 return ERROR_FAIL;
keir@20542 869
keir@20542 870 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542 871 c_info.hvm = 0;
keir@20542 872 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801 873 for (i = 0; i < 16; i++)
keir@20801 874 c_info.uuid[i] = info->uuid[i];
keir@20542 875
keir@20542 876 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542 877 b_info.max_vcpus = 1;
keir@20542 878 b_info.max_memkb = 32 * 1024;
keir@20647 879 b_info.target_memkb = b_info.max_memkb;
keir@20542 880 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542 881 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542 882 b_info.u.pv.ramdisk = "";
keir@20542 883 b_info.u.pv.features = "";
keir@20542 884 b_info.hvm = 0;
keir@20542 885
keir@20843 886 ret = libxl_domain_make(ctx, &c_info, &domid);
keir@20843 887 if (ret) return ret;
keir@20843 888 ret = libxl_domain_build(ctx, &b_info, domid, &state);
keir@20843 889 if (ret) return ret;
keir@20542 890
keir@20542 891 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20843 892 libxl_xs_write(ctx, XBT_NULL,
keir@20843 893 libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)),
keir@20843 894 "%d", domid);
keir@20843 895 libxl_xs_write(ctx, XBT_NULL,
keir@20843 896 libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)),
keir@20843 897 "%d", info->domid);
keir@20542 898 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542 899 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542 900
keir@20542 901 perm[0].id = domid;
keir@20542 902 perm[0].perms = XS_PERM_NONE;
keir@20542 903 perm[1].id = info->domid;
keir@20542 904 perm[1].perms = XS_PERM_READ;
keir@20542 905 retry_transaction:
keir@20542 906 t = xs_transaction_start(ctx->xsh);
keir@20542 907 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542 908 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635 909 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635 910 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542 911 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 912 if (errno == EAGAIN)
keir@20542 913 goto retry_transaction;
keir@20542 914
keir@20542 915 for (i = 0; i < num_disks; i++) {
keir@20781 916 disks[i].domid = domid;
keir@20843 917 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20843 918 if (ret) return ret;
keir@20542 919 }
keir@20542 920 for (i = 0; i < num_vifs; i++) {
keir@20781 921 vifs[i].domid = domid;
keir@20843 922 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20843 923 if (ret) return ret;
keir@20542 924 }
keir@20781 925 vfb->domid = domid;
keir@20843 926 ret = libxl_device_vfb_add(ctx, domid, vfb);
keir@20843 927 if (ret) return ret;
keir@20781 928 vkb->domid = domid;
keir@20843 929 ret = libxl_device_vkb_add(ctx, domid, vkb);
keir@20843 930 if (ret) return ret;
keir@20542 931
keir@20570 932 if (info->serial)
keir@20570 933 num_console++;
keir@20843 934
keir@20570 935 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20843 936 if (!console)
keir@20843 937 return ERROR_NOMEM;
keir@20843 938
keir@20570 939 for (i = 0; i < num_console; i++) {
keir@20781 940 console[i].devid = i;
keir@20781 941 console[i].constype = CONSTYPE_IOEMU;
keir@20781 942 console[i].domid = domid;
keir@20570 943 if (!i)
keir@20781 944 console[i].build_state = &state;
keir@20843 945 ret = libxl_device_console_add(ctx, domid, &console[i]);
keir@20843 946 if (ret) return ret;
keir@20570 947 }
keir@20594 948 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594 949 free(args);
keir@20594 950 return -1;
keir@20594 951 }
keir@20594 952 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594 953 free(args);
keir@20594 954 return -1;
keir@20594 955 }
keir@20542 956
keir@20542 957 libxl_domain_unpause(ctx, domid);
keir@20542 958
keir@20594 959 if (starting_r) {
keir@20594 960 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598 961 (*starting_r)->domid = info->domid;
keir@20594 962 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 963 (*starting_r)->for_spawn = NULL;
keir@20594 964 }
keir@20594 965
keir@20542 966 free(args);
keir@20542 967 return 0;
keir@20542 968 }
keir@20542 969
keir@20462 970 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462 971 libxl_device_model_info *info,
keir@20542 972 libxl_device_disk *disks, int num_disks,
keir@20514 973 libxl_device_nic *vifs, int num_vifs,
keir@20514 974 libxl_device_model_starting **starting_r)
keir@20462 975 {
keir@20546 976 char *path, *logfile;
keir@20514 977 int logfile_w, null;
keir@20546 978 int rc;
keir@20462 979 char **args;
keir@20594 980 struct libxl_device_model_starting buf_starting, *p;
keir@20514 981
keir@20542 982 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542 983 libxl_device_vfb vfb;
keir@20542 984 libxl_device_vkb vkb;
keir@20542 985
keir@20542 986 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542 987 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542 988 }
keir@20542 989
keir@20462 990 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462 991 if (!args)
keir@20462 992 return ERROR_FAIL;
keir@20462 993
keir@20462 994 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462 995 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462 996
keir@20546 997 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467 998 logfile_w = open(logfile, O_WRONLY|O_CREAT, 0644);
keir@20546 999 free(logfile);
keir@20462 1000 null = open("/dev/null", O_RDONLY);
keir@20514 1001
keir@20514 1002 if (starting_r) {
keir@20516 1003 rc = ERROR_NOMEM;
keir@20594 1004 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516 1005 if (!*starting_r) goto xit;
keir@20594 1006 p = *starting_r;
keir@20611 1007 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594 1008 } else {
keir@20594 1009 p = &buf_starting;
keir@20594 1010 p->for_spawn = NULL;
keir@20594 1011 }
keir@20514 1012
keir@20594 1013 p->domid = info->domid;
keir@20594 1014 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594 1015 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594 1016
keir@20594 1017 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514 1018 if (rc < 0) goto xit;
keir@20514 1019 if (!rc) { /* inner child */
keir@20833 1020 libxl_exec(null, logfile_w, logfile_w,
keir@20514 1021 info->device_model, args);
keir@20514 1022 }
keir@20514 1023
keir@20514 1024 rc = 0;
keir@20514 1025 xit:
keir@20516 1026 free(args);
keir@20462 1027 close(null);
keir@20462 1028 close(logfile_w);
keir@20462 1029
keir@20514 1030 return rc;
keir@20514 1031 }
keir@20514 1032
keir@20514 1033 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779 1034 libxl_device_model_starting *starting)
keir@20779 1035 {
keir@20514 1036 int rc;
keir@20594 1037 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594 1038 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514 1039 libxl_free(ctx, starting);
keir@20514 1040 return rc;
keir@20514 1041 }
keir@20462 1042
keir@20514 1043
keir@20514 1044 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779 1045 libxl_device_model_starting *starting)
keir@20779 1046 {
keir@20514 1047 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514 1048 libxl_spawn_check,
keir@20594 1049 starting->for_spawn);
keir@20514 1050 int detach = libxl_detach_device_model(ctx, starting);
keir@20514 1051 return problem ? problem : detach;
keir@20542 1052 return 0;
keir@20462 1053 }
keir@20462 1054
keir@20514 1055
keir@20462 1056 /******************************************************************************/
keir@20566 1057
keir@20566 1058 static int is_blktap2_supported(void)
keir@20566 1059 {
keir@20566 1060 char buf[1024];
keir@20566 1061 FILE *f = fopen("/proc/devices", "r");
keir@20566 1062
keir@20566 1063
keir@20566 1064 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566 1065 if (strstr(buf, "blktap2")) {
keir@20566 1066 fclose(f);
keir@20566 1067 return 1;
keir@20566 1068 }
keir@20566 1069 }
keir@20566 1070 fclose(f);
keir@20566 1071 return 0;
keir@20566 1072 }
keir@20566 1073
keir@20566 1074 static char *get_blktap2_device(struct libxl_ctx *ctx, char *name, char *type)
keir@20566 1075 {
keir@20566 1076 char buf[1024];
keir@20566 1077 char *p;
keir@20566 1078 int devnum;
keir@20566 1079 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566 1080
keir@20566 1081
keir@20566 1082 while (!feof(f)) {
keir@20566 1083 fscanf(f, "%d %s", &devnum, buf);
keir@20566 1084 p = strchr(buf, ':');
keir@20571 1085 if (p == NULL)
keir@20571 1086 continue;
keir@20566 1087 p++;
keir@20566 1088 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566 1089 fclose(f);
keir@20566 1090 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566 1091 }
keir@20566 1092 }
keir@20566 1093 fclose(f);
keir@20566 1094 return NULL;
keir@20566 1095 }
keir@20566 1096
keir@20462 1097 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20462 1098 {
keir@20462 1099 flexarray_t *front;
keir@20462 1100 flexarray_t *back;
keir@20462 1101 char *backend_type;
keir@20462 1102 unsigned int boffset = 0;
keir@20462 1103 unsigned int foffset = 0;
keir@20462 1104 int devid;
keir@20462 1105 libxl_device device;
keir@20566 1106 int major, minor;
keir@20462 1107
keir@20462 1108 front = flexarray_make(16, 1);
keir@20462 1109 if (!front)
keir@20462 1110 return ERROR_NOMEM;
keir@20462 1111 back = flexarray_make(16, 1);
keir@20462 1112 if (!back) /* leaks front if error */
keir@20462 1113 return ERROR_NOMEM;
keir@20462 1114
keir@20462 1115 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462 1116 devid = device_disk_dev_number(disk->virtpath);
keir@20462 1117
keir@20462 1118 device.backend_devid = devid;
keir@20462 1119 device.backend_domid = disk->backend_domid;
keir@20462 1120 device.devid = devid;
keir@20462 1121 device.domid = disk->domid;
keir@20462 1122 device.kind = DEVICE_VBD;
keir@20462 1123
keir@20462 1124 switch (disk->phystype) {
keir@20462 1125 case PHYSTYPE_PHY: {
keir@20462 1126
keir@20509 1127 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516 1128 flexarray_set(back, boffset++, "physical-device");
keir@20462 1129 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462 1130
keir@20516 1131 flexarray_set(back, boffset++, "params");
keir@20516 1132 flexarray_set(back, boffset++, disk->physpath);
keir@20462 1133
keir@20462 1134 device.backend_kind = DEVICE_VBD;
keir@20462 1135 break;
keir@20462 1136 }
keir@20566 1137 case PHYSTYPE_FILE:
keir@20566 1138 /* let's pretend is tap:aio for the moment */
keir@20566 1139 disk->phystype = PHYSTYPE_AIO;
keir@20462 1140 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566 1141 if (is_blktap2_supported()) {
keir@20566 1142 int rc, c, p[2], tot;
keir@20566 1143 char buf[1024], *dev;
keir@20779 1144 dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype));
keir@20779 1145 if (dev == NULL) {
keir@20566 1146 if (pipe(p) < 0) {
keir@20566 1147 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566 1148 return -1;
keir@20566 1149 }
keir@20566 1150 rc = fork();
keir@20566 1151 if (rc < 0) {
keir@20566 1152 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566 1153 return -1;
keir@20566 1154 } else if (!rc) { /* child */
keir@20566 1155 int null_r, null_w;
keir@20566 1156 char *args[4];
keir@20566 1157 args[0] = "tapdisk2";
keir@20566 1158 args[1] = "-n";
keir@20566 1159 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566 1160 args[3] = NULL;
keir@20566 1161
keir@20566 1162 null_r = open("/dev/null", O_RDONLY);
keir@20566 1163 null_w = open("/dev/null", O_WRONLY);
keir@20833 1164 libxl_exec(null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566 1165 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566 1166 }
keir@20566 1167 close(p[1]);
keir@20566 1168 tot = 0;
keir@20566 1169 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566 1170 tot = tot + c;
keir@20566 1171 close(p[0]);
keir@20566 1172 buf[tot - 1] = '\0';
keir@20566 1173 dev = buf;
keir@20566 1174 }
keir@20566 1175 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566 1176 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566 1177 flexarray_set(back, boffset++, "params");
keir@20566 1178 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566 1179 backend_type = "phy";
keir@20566 1180 device_physdisk_major_minor(dev, &major, &minor);
keir@20566 1181 flexarray_set(back, boffset++, "physical-device");
keir@20566 1182 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566 1183 device.backend_kind = DEVICE_VBD;
keir@20566 1184
keir@20566 1185 break;
keir@20566 1186 }
keir@20516 1187 flexarray_set(back, boffset++, "params");
keir@20462 1188 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462 1189 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462 1190
keir@20462 1191 device.backend_kind = DEVICE_TAP;
keir@20462 1192 break;
keir@20846 1193 default:
keir@20846 1194 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
keir@20846 1195 return ERROR_INVAL;
keir@20462 1196 }
keir@20462 1197
keir@20516 1198 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1199 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516 1200 flexarray_set(back, boffset++, "online");
keir@20516 1201 flexarray_set(back, boffset++, "1");
keir@20516 1202 flexarray_set(back, boffset++, "removable");
keir@20462 1203 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516 1204 flexarray_set(back, boffset++, "bootable");
keir@20509 1205 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1206 flexarray_set(back, boffset++, "state");
keir@20462 1207 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1208 flexarray_set(back, boffset++, "dev");
keir@20516 1209 flexarray_set(back, boffset++, disk->virtpath);
keir@20516 1210 flexarray_set(back, boffset++, "type");
keir@20516 1211 flexarray_set(back, boffset++, backend_type);
keir@20516 1212 flexarray_set(back, boffset++, "mode");
keir@20516 1213 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462 1214
keir@20516 1215 flexarray_set(front, foffset++, "backend-id");
keir@20462 1216 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516 1217 flexarray_set(front, foffset++, "state");
keir@20462 1218 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1219 flexarray_set(front, foffset++, "virtual-device");
keir@20462 1220 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516 1221 flexarray_set(front, foffset++, "device-type");
keir@20516 1222 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462 1223
keir@20462 1224 if (0 /* protocol != native*/) {
keir@20516 1225 flexarray_set(front, foffset++, "protocol");
keir@20516 1226 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1227 }
keir@20462 1228
keir@20462 1229 libxl_device_generic_add(ctx, &device,
keir@20462 1230 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1231 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1232 flexarray_free(back);
keir@20516 1233 flexarray_free(front);
keir@20462 1234 return 0;
keir@20462 1235 }
keir@20462 1236
keir@20626 1237 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626 1238 libxl_device_disk *disk, int wait)
keir@20462 1239 {
keir@20626 1240 libxl_device device;
keir@20626 1241 int devid;
keir@20462 1242
keir@20626 1243 devid = device_disk_dev_number(disk->virtpath);
keir@20626 1244 device.backend_domid = disk->backend_domid;
keir@20626 1245 device.backend_devid = devid;
keir@20626 1246 device.backend_kind =
keir@20626 1247 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626 1248 device.domid = disk->domid;
keir@20626 1249 device.devid = devid;
keir@20626 1250 device.kind = DEVICE_VBD;
keir@20626 1251 return libxl_device_del(ctx, &device, wait);
keir@20462 1252 }
keir@20462 1253
keir@20462 1254 /******************************************************************************/
keir@20462 1255 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
keir@20462 1256 {
keir@20462 1257 flexarray_t *front;
keir@20462 1258 flexarray_t *back;
keir@20462 1259 unsigned int boffset = 0;
keir@20462 1260 unsigned int foffset = 0;
keir@20462 1261 libxl_device device;
keir@20462 1262
keir@20462 1263 front = flexarray_make(16, 1);
keir@20462 1264 if (!front)
keir@20462 1265 return ERROR_NOMEM;
keir@20462 1266 back = flexarray_make(16, 1);
keir@20462 1267 if (!back)
keir@20462 1268 return ERROR_NOMEM;
keir@20462 1269
keir@20462 1270 device.backend_devid = nic->devid;
keir@20462 1271 device.backend_domid = nic->backend_domid;
keir@20462 1272 device.backend_kind = DEVICE_VIF;
keir@20462 1273 device.devid = nic->devid;
keir@20462 1274 device.domid = nic->domid;
keir@20462 1275 device.kind = DEVICE_VIF;
keir@20462 1276
keir@20516 1277 flexarray_set(back, boffset++, "frontend-id");
keir@20462 1278 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516 1279 flexarray_set(back, boffset++, "online");
keir@20516 1280 flexarray_set(back, boffset++, "1");
keir@20516 1281 flexarray_set(back, boffset++, "state");
keir@20462 1282 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1283 flexarray_set(back, boffset++, "script");
keir@20516 1284 flexarray_set(back, boffset++, nic->script);
keir@20516 1285 flexarray_set(back, boffset++, "mac");
keir@20462 1286 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1287 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1288 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516 1289 flexarray_set(back, boffset++, "handle");
keir@20462 1290 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462 1291
keir@20516 1292 flexarray_set(front, foffset++, "backend-id");
keir@20462 1293 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516 1294 flexarray_set(front, foffset++, "state");
keir@20462 1295 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1296 flexarray_set(front, foffset++, "handle");
keir@20462 1297 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516 1298 flexarray_set(front, foffset++, "mac");
keir@20462 1299 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462 1300 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462 1301 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462 1302 if (0 /* protocol != native*/) {
keir@20516 1303 flexarray_set(front, foffset++, "protocol");
keir@20516 1304 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462 1305 }
keir@20462 1306
keir@20462 1307 libxl_device_generic_add(ctx, &device,
keir@20462 1308 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462 1309 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462 1310
keir@20462 1311 /* FIXME: wait for plug */
keir@20516 1312 flexarray_free(back);
keir@20516 1313 flexarray_free(front);
keir@20462 1314 return 0;
keir@20462 1315 }
keir@20462 1316
keir@20626 1317 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626 1318 libxl_device_nic *nic, int wait)
keir@20462 1319 {
keir@20626 1320 libxl_device device;
keir@20462 1321
keir@20626 1322 device.backend_devid = nic->devid;
keir@20626 1323 device.backend_domid = nic->backend_domid;
keir@20626 1324 device.backend_kind = DEVICE_VIF;
keir@20626 1325 device.devid = nic->devid;
keir@20626 1326 device.domid = nic->domid;
keir@20626 1327 device.kind = DEVICE_VIF;
keir@20626 1328
keir@20626 1329 return libxl_device_del(ctx, &device, wait);
keir@20462 1330 }
keir@20462 1331
keir@20462 1332 /******************************************************************************/
keir@20509 1333 int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_console *console)
keir@20462 1334 {
keir@20509 1335 flexarray_t *front;
keir@20509 1336 flexarray_t *back;
keir@20509 1337 unsigned int boffset = 0;
keir@20509 1338 unsigned int foffset = 0;
keir@20509 1339 libxl_device device;
keir@20509 1340
keir@20509 1341 if (console->build_state) {
keir@20509 1342 xs_transaction_t t;
keir@20509 1343 char **ents = (char **) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516 1344 ents[0] = "console/port";
keir@20509 1345 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516 1346 ents[2] = "console/ring-ref";
keir@20509 1347 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516 1348 ents[4] = "console/limit";
keir@20509 1349 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516 1350 ents[6] = "console/type";
keir@20509 1351 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509 1352 ents[7] = "xenconsoled";
keir@20509 1353 else
keir@20509 1354 ents[7] = "ioemu";
keir@20509 1355 retry_transaction:
keir@20509 1356 t = xs_transaction_start(ctx->xsh);
keir@20516 1357 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509 1358 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509 1359 if (errno == EAGAIN)
keir@20509 1360 goto retry_transaction;
keir@20509 1361 }
keir@20509 1362
keir@20509 1363 front = flexarray_make(16, 1);
keir@20509 1364 if (!front)
keir@20509 1365 return ERROR_NOMEM;
keir@20509 1366 back = flexarray_make(16, 1);
keir@20509 1367 if (!back)
keir@20509 1368 return ERROR_NOMEM;
keir@20509 1369
keir@20509 1370 device.backend_devid = console->devid;
keir@20509 1371 device.backend_domid = console->backend_domid;
keir@20509 1372 device.backend_kind = DEVICE_CONSOLE;
keir@20509 1373 device.devid = console->devid;
keir@20509 1374 device.domid = console->domid;
keir@20509 1375 device.kind = DEVICE_CONSOLE;
keir@20509 1376
keir@20516 1377 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1378 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516 1379 flexarray_set(back, boffset++, "online");
keir@20516 1380 flexarray_set(back, boffset++, "1");
keir@20516 1381 flexarray_set(back, boffset++, "state");
keir@20509 1382 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1383 flexarray_set(back, boffset++, "domain");
keir@20516 1384 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1385 flexarray_set(back, boffset++, "protocol");
keir@20516 1386 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509 1387
keir@20516 1388 flexarray_set(front, foffset++, "backend-id");
keir@20509 1389 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516 1390 flexarray_set(front, foffset++, "state");
keir@20509 1391 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1392 flexarray_set(front, foffset++, "limit");
keir@20509 1393 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516 1394 flexarray_set(front, foffset++, "protocol");
keir@20516 1395 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516 1396 flexarray_set(front, foffset++, "type");
keir@20509 1397 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516 1398 flexarray_set(front, foffset++, "xenconsoled");
keir@20509 1399 else
keir@20516 1400 flexarray_set(front, foffset++, "ioemu");
keir@20509 1401
keir@20509 1402 libxl_device_generic_add(ctx, &device,
keir@20509 1403 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1404 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1405 flexarray_free(back);
keir@20516 1406 flexarray_free(front);
keir@20509 1407
keir@20509 1408 return 0;
keir@20509 1409 }
keir@20509 1410
keir@20509 1411 /******************************************************************************/
keir@20509 1412 int libxl_device_vkb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb)
keir@20509 1413 {
keir@20509 1414 flexarray_t *front;
keir@20509 1415 flexarray_t *back;
keir@20509 1416 unsigned int boffset = 0;
keir@20509 1417 unsigned int foffset = 0;
keir@20509 1418 libxl_device device;
keir@20509 1419
keir@20509 1420 front = flexarray_make(16, 1);
keir@20509 1421 if (!front)
keir@20509 1422 return ERROR_NOMEM;
keir@20509 1423 back = flexarray_make(16, 1);
keir@20509 1424 if (!back)
keir@20509 1425 return ERROR_NOMEM;
keir@20509 1426
keir@20509 1427 device.backend_devid = vkb->devid;
keir@20509 1428 device.backend_domid = vkb->backend_domid;
keir@20509 1429 device.backend_kind = DEVICE_VKBD;
keir@20509 1430 device.devid = vkb->devid;
keir@20509 1431 device.domid = vkb->domid;
keir@20509 1432 device.kind = DEVICE_VKBD;
keir@20509 1433
keir@20516 1434 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1435 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516 1436 flexarray_set(back, boffset++, "online");
keir@20516 1437 flexarray_set(back, boffset++, "1");
keir@20516 1438 flexarray_set(back, boffset++, "state");
keir@20509 1439 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1440 flexarray_set(back, boffset++, "domain");
keir@20516 1441 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509 1442
keir@20516 1443 flexarray_set(front, foffset++, "backend-id");
keir@20509 1444 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516 1445 flexarray_set(front, foffset++, "state");
keir@20509 1446 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1447
keir@20509 1448 libxl_device_generic_add(ctx, &device,
keir@20509 1449 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1450 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516 1451 flexarray_free(back);
keir@20516 1452 flexarray_free(front);
keir@20509 1453
keir@20509 1454 return 0;
keir@20462 1455 }
keir@20462 1456
keir@20462 1457 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1458 {
keir@20462 1459 return ERROR_NI;
keir@20462 1460 }
keir@20462 1461
keir@20462 1462 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1463 {
keir@20462 1464 return ERROR_NI;
keir@20462 1465 }
keir@20462 1466
keir@20637 1467 libxl_device_disk *libxl_device_disk_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20637 1468 {
keir@20637 1469 char *be_path_tap, *be_path_vbd;
keir@20637 1470 libxl_device_disk *disks = NULL;
keir@20637 1471 char **l = NULL;
keir@20637 1472 unsigned int numl;
keir@20637 1473 int num_disks = 0, i;
keir@20637 1474 char *type;
keir@20637 1475
keir@20637 1476 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1477 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637 1478
keir@20637 1479 l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637 1480 if (l) {
keir@20637 1481 num_disks += numl;
keir@20637 1482 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1483 for (i = 0; i < numl; i++) {
keir@20637 1484 disks[i].backend_domid = 0;
keir@20637 1485 disks[i].domid = domid;
keir@20637 1486 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, l[i]));
keir@20637 1487 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_vbd, l[i])), &(disks[i].phystype));
keir@20637 1488 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, l[i]));
keir@20637 1489 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, l[i])));
keir@20637 1490 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, l[i])), "w"))
keir@20637 1491 disks[i].readwrite = 1;
keir@20637 1492 else
keir@20637 1493 disks[i].readwrite = 0;
keir@20637 1494 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, l[i]))));
keir@20637 1495 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1496 }
keir@20637 1497 free(l);
keir@20637 1498 }
keir@20637 1499 l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637 1500 if (l) {
keir@20637 1501 num_disks += numl;
keir@20637 1502 disks = realloc(disks, sizeof(libxl_device_disk) * num_disks);
keir@20637 1503 for (i = 0; i < numl; i++) {
keir@20637 1504 disks[i].backend_domid = 0;
keir@20637 1505 disks[i].domid = domid;
keir@20637 1506 disks[i].physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, l[i]));
keir@20637 1507 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_tap, l[i])), &(disks[i].phystype));
keir@20637 1508 disks[i].virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, l[i]));
keir@20637 1509 disks[i].unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, l[i])));
keir@20637 1510 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, l[i])), "w"))
keir@20637 1511 disks[i].readwrite = 1;
keir@20637 1512 else
keir@20637 1513 disks[i].readwrite = 0;
keir@20637 1514 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, l[i]))));
keir@20637 1515 disks[i].is_cdrom = !strcmp(type, "cdrom");
keir@20637 1516 }
keir@20637 1517 free(l);
keir@20637 1518 }
keir@20637 1519 *num = num_disks;
keir@20637 1520 return disks;
keir@20637 1521 }
keir@20637 1522
keir@20637 1523 int libxl_cdrom_insert(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk)
keir@20637 1524 {
keir@20637 1525 int num, i;
keir@20637 1526 uint32_t stubdomid;
keir@20637 1527 libxl_device_disk *disks;
keir@20637 1528
keir@20637 1529 if (!disk->physpath) {
keir@20637 1530 disk->physpath = "";
keir@20637 1531 disk->phystype = PHYSTYPE_PHY;
keir@20637 1532 }
keir@20637 1533 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637 1534 for (i = 0; i < num; i++) {
keir@20637 1535 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637 1536 /* found */
keir@20637 1537 break;
keir@20637 1538 }
keir@20637 1539 if (i == num) {
keir@20637 1540 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637 1541 return -1;
keir@20637 1542 }
keir@20637 1543 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637 1544 libxl_device_disk_add(ctx, domid, disk);
keir@20637 1545 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637 1546 if (stubdomid) {
keir@20781 1547 disks[i].domid = stubdomid;
keir@20637 1548 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781 1549 disk->domid = stubdomid;
keir@20637 1550 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781 1551 disk->domid = domid;
keir@20637 1552 }
keir@20637 1553 return 0;
keir@20637 1554 }
keir@20637 1555
keir@20462 1556 /******************************************************************************/
keir@20509 1557 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509 1558 libxl_device_vfb *vfb,
keir@20509 1559 int num_console,
keir@20509 1560 libxl_device_console *console,
keir@20860 1561 libxl_device_model_info *info)
keir@20860 1562 {
keir@20509 1563 int i = 0, j = 0, num = 0;
keir@20509 1564 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509 1565
keir@20509 1566 info->vnc = vfb->vnc;
keir@20509 1567 if (vfb->vnclisten)
keir@20509 1568 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509 1569 info->vncdisplay = vfb->vncdisplay;
keir@20509 1570 info->vncunused = vfb->vncunused;
keir@20509 1571 if (vfb->keymap)
keir@20509 1572 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509 1573 info->sdl = vfb->sdl;
keir@20509 1574 info->opengl = vfb->opengl;
keir@20509 1575 for (i = 0; i < num_console; i++) {
keir@20509 1576 if (console->constype == CONSTYPE_IOEMU)
keir@20509 1577 num++;
keir@20509 1578 }
keir@20509 1579 if (num > 0) {
keir@20860 1580 uint32_t guest_domid;
keir@20860 1581 if (libxl_is_stubdom(ctx, vfb->domid, &guest_domid)) {
keir@20599 1582 char *filename;
keir@20599 1583 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599 1584 libxl_create_logfile(ctx, name, &filename);
keir@20599 1585 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599 1586 free(filename);
keir@20599 1587 } else {
keir@20599 1588 info->serial = "pty";
keir@20599 1589 }
keir@20509 1590 num--;
keir@20509 1591 }
keir@20509 1592 if (num > 0) {
keir@20509 1593 info->extra = (char **) libxl_calloc(ctx, num * 2 + 1, sizeof(char *));
keir@20509 1594 for (j = 0; j < num * 2; j = j + 2) {
keir@20509 1595 info->extra[j] = "-serial";
keir@20509 1596 info->extra[j + 1] = "pty";
keir@20509 1597 }
keir@20509 1598 info->extra[j] = NULL;
keir@20509 1599 }
keir@20509 1600 info->domid = vfb->domid;
keir@20509 1601 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509 1602 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509 1603 info->type = XENPV;
keir@20509 1604 return 0;
keir@20509 1605 }
keir@20509 1606
keir@20509 1607 int libxl_create_xenpv_qemu(struct libxl_ctx *ctx, libxl_device_vfb *vfb,
keir@20514 1608 int num_console, libxl_device_console *console,
keir@20514 1609 struct libxl_device_model_starting **starting_r)
keir@20509 1610 {
keir@20509 1611 libxl_device_model_info info;
keir@20509 1612
keir@20509 1613 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542 1614 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509 1615 return 0;
keir@20509 1616 }
keir@20509 1617
keir@20509 1618 int libxl_device_vfb_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_vfb *vfb)
keir@20462 1619 {
keir@20509 1620 flexarray_t *front;
keir@20509 1621 flexarray_t *back;
keir@20509 1622 unsigned int boffset = 0;
keir@20509 1623 unsigned int foffset = 0;
keir@20509 1624 libxl_device device;
keir@20509 1625
keir@20509 1626 front = flexarray_make(16, 1);
keir@20509 1627 if (!front)
keir@20509 1628 return ERROR_NOMEM;
keir@20509 1629 back = flexarray_make(16, 1);
keir@20509 1630 if (!back)
keir@20509 1631 return ERROR_NOMEM;
keir@20509 1632
keir@20509 1633 device.backend_devid = vfb->devid;
keir@20509 1634 device.backend_domid = vfb->backend_domid;
keir@20509 1635 device.backend_kind = DEVICE_VFB;
keir@20509 1636 device.devid = vfb->devid;
keir@20509 1637 device.domid = vfb->domid;
keir@20509 1638 device.kind = DEVICE_VFB;
keir@20509 1639
keir@20516 1640 flexarray_set(back, boffset++, "frontend-id");
keir@20509 1641 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516 1642 flexarray_set(back, boffset++, "online");
keir@20516 1643 flexarray_set(back, boffset++, "1");
keir@20516 1644 flexarray_set(back, boffset++, "state");
keir@20509 1645 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1646 flexarray_set(back, boffset++, "domain");
keir@20516 1647 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516 1648 flexarray_set(back, boffset++, "vnc");
keir@20509 1649 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516 1650 flexarray_set(back, boffset++, "vnclisten");
keir@20516 1651 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516 1652 flexarray_set(back, boffset++, "vncdisplay");
keir@20509 1653 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516 1654 flexarray_set(back, boffset++, "vncunused");
keir@20509 1655 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516 1656 flexarray_set(back, boffset++, "sdl");
keir@20509 1657 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516 1658 flexarray_set(back, boffset++, "opengl");
keir@20509 1659 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509 1660 if (vfb->xauthority) {
keir@20516 1661 flexarray_set(back, boffset++, "xauthority");
keir@20516 1662 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509 1663 }
keir@20509 1664 if (vfb->display) {
keir@20516 1665 flexarray_set(back, boffset++, "display");
keir@20516 1666 flexarray_set(back, boffset++, vfb->display);
keir@20509 1667 }
keir@20509 1668
keir@20516 1669 flexarray_set(front, foffset++, "backend-id");
keir@20509 1670 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516 1671 flexarray_set(front, foffset++, "state");
keir@20509 1672 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509 1673
keir@20509 1674 libxl_device_generic_add(ctx, &device,
keir@20509 1675 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509 1676 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509 1677 flexarray_free(front);
keir@20509 1678 flexarray_free(back);
keir@20509 1679
keir@20509 1680 return 0;
keir@20462 1681 }
keir@20462 1682
keir@20462 1683 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1684 {
keir@20462 1685 return ERROR_NI;
keir@20462 1686 }
keir@20462 1687
keir@20462 1688 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462 1689 {
keir@20462 1690 return ERROR_NI;
keir@20462 1691 }
keir@20462 1692
keir@20462 1693 /******************************************************************************/
keir@20482 1694
keir@20482 1695 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482 1696 unsigned int bus, unsigned int dev,
keir@20482 1697 unsigned int func, unsigned int vdevfn)
keir@20482 1698 {
keir@20482 1699 pcidev->domain = domain;
keir@20482 1700 pcidev->bus = bus;
keir@20482 1701 pcidev->dev = dev;
keir@20482 1702 pcidev->func = func;
keir@20482 1703 pcidev->vdevfn = vdevfn;
keir@20482 1704 return 0;
keir@20482 1705 }
keir@20482 1706
keir@20482 1707 static int libxl_create_pci_backend(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev, int num)
keir@20482 1708 {
keir@20482 1709 flexarray_t *front;
keir@20482 1710 flexarray_t *back;
keir@20482 1711 unsigned int boffset = 0;
keir@20482 1712 unsigned int foffset = 0;
keir@20482 1713 libxl_device device;
keir@20482 1714 int i;
keir@20482 1715
keir@20482 1716 front = flexarray_make(16, 1);
keir@20482 1717 if (!front)
keir@20482 1718 return ERROR_NOMEM;
keir@20482 1719 back = flexarray_make(16, 1);
keir@20482 1720 if (!back)
keir@20482 1721 return ERROR_NOMEM;
keir@20482 1722
keir@20512 1723 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482 1724
keir@20482 1725 /* add pci device */
keir@20482 1726 device.backend_devid = 0;
keir@20482 1727 device.backend_domid = 0;
keir@20482 1728 device.backend_kind = DEVICE_PCI;
keir@20482 1729 device.devid = 0;
keir@20482 1730 device.domid = domid;
keir@20482 1731 device.kind = DEVICE_PCI;
keir@20482 1732
keir@20516 1733 flexarray_set(back, boffset++, "frontend-id");
keir@20482 1734 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516 1735 flexarray_set(back, boffset++, "online");
keir@20516 1736 flexarray_set(back, boffset++, "1");
keir@20516 1737 flexarray_set(back, boffset++, "state");
keir@20482 1738 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1739 flexarray_set(back, boffset++, "domain");
keir@20516 1740 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482 1741 for (i = 0; i < num; i++) {
keir@20482 1742 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482 1743 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1744 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482 1745 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1746 if (pcidev->vdevfn) {
keir@20482 1747 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482 1748 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1749 }
keir@20482 1750 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482 1751 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1752 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482 1753 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1754 }
keir@20516 1755 flexarray_set(back, boffset++, "num_devs");
keir@20482 1756 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482 1757
keir@20516 1758 flexarray_set(front, foffset++, "backend-id");
keir@20482 1759 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516 1760 flexarray_set(front, foffset++, "state");
keir@20482 1761 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482 1762
keir@20482 1763 libxl_device_generic_add(ctx, &device,
keir@20482 1764 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482 1765 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482 1766
keir@20482 1767 flexarray_free(back);
keir@20482 1768 flexarray_free(front);
keir@20482 1769 return 0;
keir@20482 1770 }
keir@20482 1771
keir@20482 1772 static int libxl_device_pci_add_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1773 {
keir@20482 1774 flexarray_t *back;
keir@20482 1775 char *num_devs, *be_path;
keir@20482 1776 int num = 0;
keir@20482 1777 unsigned int boffset = 0;
keir@20482 1778 xs_transaction_t t;
keir@20482 1779
keir@20516 1780 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1781 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 1782 if (!num_devs)
keir@20482 1783 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482 1784
keir@20482 1785 if (!is_hvm(ctx, domid)) {
keir@20482 1786 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482 1787 return -1;
keir@20482 1788 }
keir@20482 1789
keir@20482 1790 back = flexarray_make(16, 1);
keir@20482 1791 if (!back)
keir@20482 1792 return ERROR_NOMEM;
keir@20482 1793
keir@20512 1794 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482 1795 num = atoi(num_devs);
keir@20482 1796 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482 1797 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1798 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482 1799 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482 1800 if (pcidev->vdevfn) {
keir@20482 1801 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482 1802 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482 1803 }
keir@20482 1804 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482 1805 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482 1806 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482 1807 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516 1808 flexarray_set(back, boffset++, "num_devs");
keir@20482 1809 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516 1810 flexarray_set(back, boffset++, "state");
keir@20482 1811 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482 1812
keir@20482 1813 retry_transaction:
keir@20482 1814 t = xs_transaction_start(ctx->xsh);
keir@20482 1815 libxl_xs_writev(ctx, t, be_path,
keir@20482 1816 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482 1817 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1818 if (errno == EAGAIN)
keir@20482 1819 goto retry_transaction;
keir@20482 1820
keir@20482 1821 flexarray_free(back);
keir@20482 1822 return 0;
keir@20482 1823 }
keir@20482 1824
keir@20482 1825 static int libxl_device_pci_remove_xenstore(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20482 1826 {
keir@20542 1827 char *be_path, *num_devs_path, *num_devs, *xsdev, *tmp, *tmppath;
keir@20542 1828 int num, i, j;
keir@20482 1829 xs_transaction_t t;
keir@20482 1830 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482 1831
keir@20516 1832 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 1833 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482 1834 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482 1835 if (!num_devs)
keir@20482 1836 return -1;
keir@20482 1837 num = atoi(num_devs);
keir@20482 1838
keir@20482 1839 if (!is_hvm(ctx, domid)) {
keir@20482 1840 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1841 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482 1842 return -1;
keir@20482 1843 }
keir@20482 1844 }
keir@20482 1845
keir@20482 1846 for (i = 0; i < num; i++) {
keir@20482 1847 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 1848 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 1849 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482 1850 pcidev->dev == dev && pcidev->func == func) {
keir@20482 1851 break;
keir@20482 1852 }
keir@20482 1853 }
keir@20482 1854 if (i == num) {
keir@20512 1855 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482 1856 return -1;
keir@20482 1857 }
keir@20482 1858
keir@20482 1859 retry_transaction:
keir@20482 1860 t = xs_transaction_start(ctx->xsh);
keir@20542 1861 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482 1862 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482 1863 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482 1864 if (errno == EAGAIN)
keir@20482 1865 goto retry_transaction;
keir@20542 1866
keir@20542 1867 if (!is_hvm(ctx, domid)) {
keir@20542 1868 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542 1869 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542 1870 return -1;
keir@20542 1871 }
keir@20542 1872 }
keir@20542 1873
keir@20542 1874 retry_transaction2:
keir@20542 1875 t = xs_transaction_start(ctx->xsh);
keir@20542 1876 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542 1877 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542 1878 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542 1879 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542 1880 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542 1881 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542 1882 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542 1883 for (j = i + 1; j < num; j++) {
keir@20542 1884 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542 1885 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1886 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1887 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1888 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542 1889 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1890 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1891 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1892 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542 1893 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1894 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1895 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1896 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542 1897 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1898 if (tmp) {
keir@20542 1899 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1900 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1901 }
keir@20542 1902 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542 1903 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1904 if (tmp) {
keir@20542 1905 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1906 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1907 }
keir@20542 1908 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542 1909 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542 1910 if (tmp) {
keir@20542 1911 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542 1912 xs_rm(ctx->xsh, t, tmppath);
keir@20542 1913 }
keir@20542 1914 }
keir@20542 1915 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542 1916 if (errno == EAGAIN)
keir@20542 1917 goto retry_transaction2;
keir@20542 1918
keir@20542 1919 if (num == 1) {
keir@20542 1920 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542 1921 libxl_device_destroy(ctx, be_path, 1);
keir@20542 1922 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542 1923 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542 1924 return 0;
keir@20542 1925 }
keir@20542 1926
keir@20482 1927 return 0;
keir@20462 1928 }
keir@20462 1929
keir@20482 1930 int libxl_device_pci_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 1931 {
keir@20779 1932 char *path;
keir@20482 1933 char *state, *vdevfn;
keir@20482 1934 int rc, hvm;
keir@20542 1935 int stubdomid = 0;
keir@20482 1936
keir@20482 1937 /* TODO: check if the device can be assigned */
keir@20482 1938
keir@20482 1939 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1940
keir@20779 1941 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 1942 if (stubdomid != 0) {
keir@20542 1943 libxl_device_pci pcidev_s = *pcidev;
keir@20542 1944 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542 1945 }
keir@20542 1946
keir@20482 1947 hvm = is_hvm(ctx, domid);
keir@20482 1948 if (hvm) {
keir@20831 1949 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482 1950 return -1;
keir@20482 1951 }
keir@20779 1952 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1953 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 1954 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1955 if (pcidev->vdevfn)
keir@20482 1956 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482 1957 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482 1958 else
keir@20482 1959 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 1960 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 1961 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 1962 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20831 1963 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", NULL, NULL) < 0)
keir@20512 1964 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779 1965 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 1966 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482 1967 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779 1968 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 1969 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 1970 } else {
keir@20542 1971 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 1972 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 1973 FILE *f = fopen(sysfs_path, "r");
keir@20482 1974 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 1975 int irq = 0;
keir@20482 1976 int i;
keir@20482 1977
keir@20482 1978 if (f == NULL) {
keir@20512 1979 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 1980 return -1;
keir@20482 1981 }
keir@20482 1982 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512 1983 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482 1984 size = end - start + 1;
keir@20482 1985 if (start) {
keir@20482 1986 if (flags & PCI_BAR_IO) {
keir@20482 1987 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482 1988 if (rc < 0)
keir@20512 1989 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 1990 } else {
keir@20482 1991 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 1992 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482 1993 if (rc < 0)
keir@20512 1994 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 1995 }
keir@20482 1996 }
keir@20482 1997 }
keir@20482 1998 fclose(f);
keir@20542 1999 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2000 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2001 f = fopen(sysfs_path, "r");
keir@20482 2002 if (f == NULL) {
keir@20512 2003 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2004 goto out;
keir@20482 2005 }
keir@20482 2006 fscanf(f, "%u", &irq);
keir@20482 2007 if (irq) {
keir@20482 2008 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482 2009 if (rc < 0) {
keir@20512 2010 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482 2011 }
keir@20482 2012 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482 2013 if (rc < 0) {
keir@20512 2014 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482 2015 }
keir@20482 2016 }
keir@20482 2017 fclose(f);
keir@20482 2018 }
keir@20482 2019 out:
keir@20860 2020 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779 2021 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779 2022 if (rc < 0)
keir@20542 2023 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542 2024 }
keir@20482 2025
keir@20482 2026 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482 2027 return 0;
keir@20462 2028 }
keir@20462 2029
keir@20482 2030 int libxl_device_pci_remove(struct libxl_ctx *ctx, uint32_t domid, libxl_device_pci *pcidev)
keir@20462 2031 {
keir@20779 2032 char *path;
keir@20482 2033 char *state;
keir@20482 2034 int hvm, rc;
keir@20542 2035 int stubdomid = 0;
keir@20482 2036
keir@20482 2037 /* TODO: check if the device can be detached */
keir@20542 2038 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482 2039
keir@20482 2040 hvm = is_hvm(ctx, domid);
keir@20482 2041 if (hvm) {
keir@20831 2042 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482 2043 return -1;
keir@20482 2044 }
keir@20779 2045 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2046 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779 2047 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482 2048 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482 2049 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779 2050 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482 2051 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20831 2052 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
keir@20512 2053 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482 2054 return -1;
keir@20482 2055 }
keir@20779 2056 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482 2057 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482 2058 } else {
keir@20542 2059 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482 2060 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2061 FILE *f = fopen(sysfs_path, "r");
keir@20482 2062 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482 2063 int irq = 0;
keir@20482 2064 int i;
keir@20482 2065
keir@20482 2066 if (f == NULL) {
keir@20512 2067 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2068 goto skip1;
keir@20482 2069 }
keir@20482 2070 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482 2071 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482 2072 size = end - start + 1;
keir@20482 2073 if (start) {
keir@20482 2074 if (flags & PCI_BAR_IO) {
keir@20482 2075 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482 2076 if (rc < 0)
keir@20512 2077 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482 2078 } else {
keir@20482 2079 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482 2080 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482 2081 if (rc < 0)
keir@20512 2082 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482 2083 }
keir@20482 2084 }
keir@20482 2085 }
keir@20482 2086 fclose(f);
keir@20482 2087 skip1:
keir@20542 2088 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482 2089 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2090 f = fopen(sysfs_path, "r");
keir@20482 2091 if (f == NULL) {
keir@20512 2092 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482 2093 goto out;
keir@20482 2094 }
keir@20482 2095 fscanf(f, "%u", &irq);
keir@20482 2096 if (irq) {
keir@20482 2097 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482 2098 if (rc < 0) {
keir@20512 2099 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482 2100 }
keir@20482 2101 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482 2102 if (rc < 0) {
keir@20512 2103 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482 2104 }
keir@20482 2105 }
keir@20482 2106 fclose(f);
keir@20482 2107 }
keir@20482 2108 out:
keir@20482 2109 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482 2110
keir@20860 2111 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779 2112 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779 2113 if (rc < 0)
keir@20542 2114 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542 2115 }
keir@20542 2116
keir@20779 2117 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779 2118 if (stubdomid != 0) {
keir@20542 2119 libxl_device_pci pcidev_s = *pcidev;
keir@20542 2120 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542 2121 }
keir@20542 2122
keir@20482 2123 return 0;
keir@20462 2124 }
keir@20482 2125
keir@20482 2126 libxl_device_pci *libxl_device_pci_list(struct libxl_ctx *ctx, uint32_t domid, int *num)
keir@20482 2127 {
keir@20482 2128 char *be_path, *num_devs, *xsdev, *xsvdevfn, *xsopts;
keir@20482 2129 int n, i;
keir@20482 2130 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482 2131 libxl_device_pci *pcidevs;
keir@20482 2132
keir@20516 2133 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482 2134 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482 2135 if (!num_devs) {
keir@20482 2136 *num = 0;
keir@20482 2137 return NULL;
keir@20482 2138 }
keir@20482 2139 n = atoi(num_devs);
keir@20779 2140 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482 2141 *num = n;
keir@20482 2142
keir@20482 2143 for (i = 0; i < n; i++) {
keir@20482 2144 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482 2145 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482 2146 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482 2147 if (xsvdevfn)
keir@20482 2148 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482 2149 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482 2150 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482 2151 if (xsopts) {
keir@20482 2152 char *saveptr;
keir@20482 2153 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482 2154 do {
keir@20482 2155 while (*p == ' ')
keir@20482 2156 p++;
keir@20482 2157 if (!strcmp(p, "msitranslate")) {
keir@20482 2158 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2159 pcidevs[i].msitranslate = atoi(p);
keir@20482 2160 } else if (!strcmp(p, "power_mgmt")) {
keir@20482 2161 p = strtok_r(NULL, ",=", &saveptr);
keir@20482 2162 pcidevs[i].power_mgmt = atoi(p);
keir@20482 2163 }
keir@20482 2164 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482 2165 }
keir@20482 2166 }
keir@20482 2167 return pcidevs;
keir@20482 2168 }
keir@20482 2169
keir@20482 2170 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482 2171 {
keir@20482 2172 libxl_device_pci *pcidevs;
keir@20482 2173 int num, i;
keir@20482 2174
keir@20482 2175 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482 2176 for (i = 0; i < num; i++) {
keir@20482 2177 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482 2178 return -1;
keir@20482 2179 }
keir@20516 2180 free(pcidevs);
keir@20482 2181 return 0;
keir@20482 2182 }
keir@20482 2183
keir@20647 2184 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb)
keir@20647 2185 {
keir@20647 2186 int rc = 0;
keir@20647 2187 uint32_t videoram;
keir@20647 2188 char *videoram_s = NULL;
keir@20647 2189 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@20542 2190
keir@20647 2191 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@20647 2192 if (!videoram_s)
keir@20647 2193 return -1;
keir@20647 2194 videoram = atoi(videoram_s);
keir@20647 2195
keir@20647 2196 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@20779 2197 rc = xc_domain_setmaxmem(ctx->xch, domid, target_memkb + LIBXL_MAXMEM_CONSTANT);
keir@20779 2198 if (rc != 0)
keir@20779 2199 return rc;
keir@20647 2200 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647 2201 return rc;
keir@20647 2202 }