debuggers.hg: tools/libxl/libxl.c annotate

debuggers.hg

annotate tools/libxl/libxl.c @ 20578:8bd6d48300bd

libxenlight: avoid writing empty values to xenstore

Prevent segmentation fault caused by empty values
in key-value pairs for the /vm/ subdirectory
when creating a pv domain.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.com>

author	Keir Fraser <keir.fraser@citrix.com>
date	Tue Dec 01 13:44:13 2009 +0000 (2009-12-01)
parents	c0ceddd46bb0
children	d1ac88bf91bf

rev	line source
keir@20462	1 /*
keir@20462	2 * Copyright (C) 2009 Citrix Ltd.
keir@20462	3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462	4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462	5 *
keir@20462	6 * This program is free software; you can redistribute it and/or modify
keir@20462	7 * it under the terms of the GNU Lesser General Public License as published
keir@20462	8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462	9 * exception on linking described in file LICENSE.
keir@20462	10 *
keir@20462	11 * This program is distributed in the hope that it will be useful,
keir@20462	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462	14 * GNU Lesser General Public License for more details.
keir@20462	15 */
keir@20462	16
keir@20513	17 #include "libxl_osdeps.h"
keir@20513	18
keir@20462	19 #include <stdio.h>
keir@20462	20 #include <string.h>
keir@20462	21 #include <stdlib.h>
keir@20462	22 #include <sys/types.h>
keir@20462	23 #include <fcntl.h>
keir@20462	24 #include <sys/select.h>
keir@20514	25 #include <sys/wait.h>
keir@20462	26 #include <signal.h>
keir@20468	27 #include <unistd.h> /* for write, unlink and close */
keir@20509	28 #include <stdint.h>
keir@20509	29 #include <inttypes.h>
keir@20514	30 #include <assert.h>
keir@20513	31
keir@20462	32 #include "libxl.h"
keir@20462	33 #include "libxl_utils.h"
keir@20462	34 #include "libxl_internal.h"
keir@20462	35 #include "flexarray.h"
keir@20462	36
keir@20462	37 int libxl_ctx_init(struct libxl_ctx *ctx)
keir@20462	38 {
keir@20462	39 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462	40 ctx->alloc_maxsize = 256;
keir@20462	41 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462	42 if (!ctx->alloc_ptrs)
keir@20462	43 return ERROR_NOMEM;
keir@20462	44
keir@20462	45 ctx->xch = xc_interface_open();
keir@20462	46 ctx->xsh = xs_daemon_open();
keir@20514	47
keir@20514	48 ctx->waitpid_instead= libxl_waitpid_instead_default;
keir@20462	49 return 0;
keir@20462	50 }
keir@20462	51
keir@20462	52 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462	53 {
keir@20462	54 libxl_free_all(ctx);
keir@20462	55 free(ctx->alloc_ptrs);
keir@20545	56 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20545	57 if (!ctx->alloc_ptrs)
keir@20545	58 return ERROR_NOMEM;
keir@20545	59 return 0;
keir@20545	60 }
keir@20545	61
keir@20545	62 int libxl_ctx_close(struct libxl_ctx *ctx)
keir@20545	63 {
keir@20545	64 libxl_ctx_free(ctx);
keir@20545	65 free(ctx->alloc_ptrs);
keir@20462	66 xc_interface_close(ctx->xch);
keir@20545	67 xs_daemon_close(ctx->xsh);
keir@20462	68 return 0;
keir@20462	69 }
keir@20462	70
keir@20462	71 int libxl_ctx_set_log(struct libxl_ctx ctx, libxl_log_callback log_callback, void log_data)
keir@20462	72 {
keir@20462	73 ctx->log_callback = log_callback;
keir@20462	74 ctx->log_userdata = log_data;
keir@20462	75 return 0;
keir@20462	76 }
keir@20462	77
keir@20462	78 /******************************************************************************/
keir@20462	79
keir@20462	80 int libxl_domain_make(struct libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	81 uint32_t *domid)
keir@20462	82 {
keir@20462	83 int flags, ret, i;
keir@20468	84 char *uuid_string;
keir@20462	85 char *rw_paths[] = { "device" };
keir@20462	86 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20462	87 "control", "attr", "data", "messages" };
keir@20462	88 char dom_path, vm_path, *vss_path;
keir@20462	89 struct xs_permissions roperm[2];
keir@20462	90 struct xs_permissions rwperm[1];
keir@20462	91 xs_transaction_t t;
keir@20468	92 xen_domain_handle_t handle;
keir@20462	93
keir@20468	94 uuid_string = libxl_uuid_to_string(ctx, info->uuid);
keir@20462	95 if (!uuid_string) {
keir@20462	96 XL_LOG(ctx, XL_LOG_ERROR, "missing uuid");
keir@20462	97 return ERROR_FAIL;
keir@20462	98 }
keir@20462	99
keir@20462	100 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462	101 flags \|= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@20462	102 *domid = 0;
keir@20462	103
keir@20468	104 /* XXX handle has to be initialised here.
keir@20468	105 * info->uuid != xen_domain_handle_t
keir@20468	106 * See:
keir@20468	107 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
keir@20468	108 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
keir@20468	109 *
keir@20468	110 * A DCE 1.1 compatible source representation of UUIDs.
keir@20468	111 *
keir@20468	112 * struct uuid {
keir@20468	113 * uint32_t time_low;
keir@20468	114 * uint16_t time_mid;
keir@20468	115 * uint16_t time_hi_and_version;
keir@20468	116 * uint8_t clock_seq_hi_and_reserved;
keir@20468	117 * uint8_t clock_seq_low;
keir@20468	118 * uint8_t node[_UUID_NODE_LEN];
keir@20468	119 * };
keir@20468	120 */
keir@20468	121
keir@20468	122 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	123 if (ret < 0) {
keir@20512	124 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	125 return ERROR_FAIL;
keir@20462	126 }
keir@20462	127
keir@20462	128 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	129 if (!dom_path)
keir@20512	130 return ERROR_FAIL;
keir@20512	131
keir@20462	132 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462	133 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512	134 if (!vm_path \|\| !vss_path) {
keir@20462	135 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	136 return ERROR_FAIL;
keir@20462	137 }
keir@20462	138
keir@20462	139 roperm[0].id = 0;
keir@20462	140 roperm[0].perms = XS_PERM_NONE;
keir@20462	141 roperm[1].id = *domid;
keir@20462	142 roperm[1].perms = XS_PERM_READ;
keir@20462	143 rwperm[0].id = *domid;
keir@20462	144 rwperm[0].perms = XS_PERM_NONE;
keir@20462	145
keir@20462	146 retry_transaction:
keir@20462	147 t = xs_transaction_start(ctx->xsh);
keir@20462	148 xs_rm(ctx->xsh, t, dom_path);
keir@20462	149 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	150 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	151
keir@20462	152 xs_rm(ctx->xsh, t, vm_path);
keir@20462	153 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	154 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	155
keir@20462	156 xs_rm(ctx->xsh, t, vss_path);
keir@20462	157 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462	158 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	159
keir@20462	160 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462	161 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462	162 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462	163
keir@20462	164 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	165 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	166 xs_mkdir(ctx->xsh, t, path);
keir@20462	167 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	168 libxl_free(ctx, path);
keir@20462	169 }
keir@20462	170 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	171 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	172 xs_mkdir(ctx->xsh, t, path);
keir@20462	173 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	174 libxl_free(ctx, path);
keir@20462	175 }
keir@20462	176
keir@20462	177 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	178 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462	179
keir@20462	180 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	181 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	182
keir@20462	183 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	184
keir@20462	185 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	186 if (errno == EAGAIN)
keir@20462	187 goto retry_transaction;
keir@20462	188 return 0;
keir@20462	189 }
keir@20462	190
keir@20516	191 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	192 {
keir@20462	193 char vments = NULL, localents = NULL;
keir@20578	194 int i;
keir@20462	195
keir@20509	196 build_pre(ctx, domid, info, state);
keir@20462	197 if (info->hvm) {
keir@20509	198 build_hvm(ctx, domid, info, state);
keir@20509	199 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	200 vments[0] = "rtc/timeoffset";
keir@20516	201 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	202 vments[2] = "image/ostype";
keir@20516	203 vments[3] = "hvm";
keir@20462	204 } else {
keir@20509	205 build_pv(ctx, domid, info, state);
keir@20509	206 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578	207 i = 0;
keir@20578	208 vments[i++] = "image/ostype";
keir@20578	209 vments[i++] = "linux";
keir@20578	210 vments[i++] = "image/kernel";
keir@20578	211 vments[i++] = (char*) info->kernel;
keir@20578	212 if (info->u.pv.ramdisk) {
keir@20578	213 vments[i++] = "image/ramdisk";
keir@20578	214 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578	215 }
keir@20578	216 if (info->u.pv.cmdline) {
keir@20578	217 vments[i++] = "image/cmdline";
keir@20578	218 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578	219 }
keir@20462	220 }
keir@20509	221 build_post(ctx, domid, info, state, vments, localents);
keir@20516	222 return 0;
keir@20462	223 }
keir@20462	224
keir@20462	225 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	226 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	227 libxl_device_model_info *dm_info)
keir@20462	228 {
keir@20462	229 char vments = NULL, localents = NULL;
keir@20462	230
keir@20565	231 build_pre(ctx, domid, info, state);
keir@20565	232 restore_common(ctx, domid, info, state, fd);
keir@20462	233 if (info->hvm) {
keir@20565	234 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	235 vments[0] = "rtc/timeoffset";
keir@20516	236 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	237 vments[2] = "image/ostype";
keir@20565	238 vments[3] = "hvm";
keir@20462	239 } else {
keir@20565	240 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20565	241 vments[0] = "image/ostype";
keir@20565	242 vments[1] = "linux";
keir@20565	243 vments[2] = "image/kernel";
keir@20565	244 vments[3] = (char*) info->kernel;
keir@20565	245 vments[4] = "image/ramdisk";
keir@20565	246 vments[5] = (char*) info->u.pv.ramdisk;
keir@20565	247 vments[6] = "image/cmdline";
keir@20565	248 vments[7] = (char*) info->u.pv.cmdline;
keir@20462	249 }
keir@20565	250 build_post(ctx, domid, info, state, vments, localents);
keir@20565	251 if (info->hvm)
keir@20565	252 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565	253 else
keir@20565	254 dm_info->saved_state = NULL;
keir@20565	255
keir@20462	256 return 0;
keir@20462	257 }
keir@20462	258
keir@20462	259 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx ctx, int nb_domain)
keir@20462	260 {
keir@20462	261 struct libxl_dominfo *ptr;
keir@20462	262 int index, i, ret, first_domain;
keir@20462	263 xc_domaininfo_t info[16];
keir@20462	264 int size = 16;
keir@20462	265
keir@20462	266 first_domain = 1;
keir@20462	267 index = 0;
keir@20516	268 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462	269 if (!ptr)
keir@20462	270 return NULL;
keir@20462	271 redo:
keir@20462	272 ret = xc_domain_getinfolist(ctx->xch, first_domain, 16, info);
keir@20462	273 for (i = 0; i < ret; i++) {
keir@20462	274 if (index == size) {
keir@20462	275 struct libxl_dominfo *ptr2;
keir@20462	276
keir@20516	277 ptr2 = calloc(size * 2, sizeof(struct libxl_dominfo));
keir@20462	278 if (!ptr2) {
keir@20516	279 free(ptr);
keir@20462	280 return NULL;
keir@20462	281 }
keir@20462	282 memcpy(ptr2, ptr, sizeof(struct libxl_dominfo) * size);
keir@20516	283 free(ptr);
keir@20462	284 ptr = ptr2;
keir@20462	285 size *= 2;
keir@20462	286 }
keir@20462	287 memcpy(ptr[index].uuid, info[i].handle, 16 * sizeof(uint8_t));
keir@20462	288 ptr[index].domid = info[i].domain;
keir@20462	289 first_domain = info[i].domain + 1;
keir@20462	290 index++;
keir@20462	291 }
keir@20462	292 if (ret == 16)
keir@20462	293 goto redo;
keir@20462	294 *nb_domain = index;
keir@20462	295 return ptr;
keir@20462	296 }
keir@20462	297
keir@20462	298 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx ctx, int nb_domain)
keir@20462	299 {
keir@20462	300 int index, first_domain;
keir@20462	301 xc_dominfo_t *info;
keir@20462	302 int size = 1024;
keir@20462	303
keir@20462	304 first_domain = 0;
keir@20462	305 index = 0;
keir@20516	306 info = (xc_dominfo_t *) calloc(size, sizeof(xc_dominfo_t));
keir@20462	307 if (!info) {
keir@20462	308 *nb_domain = 0;
keir@20462	309 return NULL;
keir@20462	310 }
keir@20462	311 *nb_domain = xc_domain_getinfo(ctx->xch, first_domain, 1024, info);
keir@20462	312 return info;
keir@20462	313 }
keir@20462	314
keir@20565	315 static int libxl_save_device_model(struct libxl_ctx *ctx, uint32_t domid, int fd)
keir@20565	316 {
keir@20565	317 int fd2, c;
keir@20565	318 char buf[1024];
keir@20565	319 char *filename = libxl_sprintf(ctx, "/var/lib/xen/qemu-save.%d", domid);
keir@20565	320
keir@20565	321 XL_LOG(ctx, XL_LOG_DEBUG, "Saving device model state to %s", filename);
keir@20565	322 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "save", strlen("save"));
keir@20565	323 libxl_wait_for_device_model(ctx, domid, "paused", NULL, NULL);
keir@20565	324
keir@20565	325 write(fd, QEMU_SIGNATURE, strlen(QEMU_SIGNATURE));
keir@20565	326 fd2 = open(filename, O_RDONLY);
keir@20565	327 while ((c = read(fd2, buf, sizeof(buf))) != 0) {
keir@20565	328 write(fd, buf, c);
keir@20565	329 }
keir@20565	330 close(fd2);
keir@20565	331 unlink(filename);
keir@20565	332 return 0;
keir@20565	333 }
keir@20565	334
keir@20462	335 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	336 uint32_t domid, int fd)
keir@20462	337 {
keir@20565	338 int hvm = is_hvm(ctx, domid);
keir@20565	339 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565	340 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462	341
keir@20462	342
keir@20462	343 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565	344 if (hvm)
keir@20565	345 libxl_save_device_model(ctx, domid, fd);
keir@20462	346
keir@20462	347 return 0;
keir@20462	348 }
keir@20462	349
keir@20462	350 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	351 {
keir@20462	352 xc_domain_pause(ctx->xch, domid);
keir@20462	353 return 0;
keir@20462	354 }
keir@20462	355
keir@20462	356 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	357 {
keir@20565	358 char path[50];
keir@20565	359 char *state;
keir@20565	360
keir@20565	361 if (is_hvm(ctx, domid)) {
keir@20565	362 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20565	363 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565	364 if (state != NULL && !strcmp(state, "paused")) {
keir@20565	365 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565	366 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	367 }
keir@20565	368 }
keir@20462	369 xc_domain_unpause(ctx->xch, domid);
keir@20565	370
keir@20462	371 return 0;
keir@20462	372 }
keir@20462	373
keir@20462	374 static char *req_table[] = {
keir@20462	375 [0] = "poweroff",
keir@20462	376 [1] = "reboot",
keir@20462	377 [2] = "suspend",
keir@20462	378 [3] = "crash",
keir@20462	379 [4] = "halt",
keir@20462	380 };
keir@20462	381
keir@20462	382 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	383 {
keir@20462	384 char *shutdown_path;
keir@20462	385 char *dom_path;
keir@20462	386
keir@20462	387 if (req > ARRAY_SIZE(req_table))
keir@20462	388 return ERROR_INVAL;
keir@20462	389
keir@20462	390 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	391 if (!dom_path)
keir@20512	392 return ERROR_FAIL;
keir@20512	393
keir@20462	394 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	395
keir@20462	396 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462	397 if (/* hvm */ 0) {
keir@20462	398 unsigned long acpi_s_state = 0;
keir@20462	399 unsigned long pvdriver = 0;
keir@20462	400 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462	401 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462	402 if (!pvdriver && acpi_s_state != 0)
keir@20462	403 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462	404 }
keir@20462	405 return 0;
keir@20462	406 }
keir@20462	407
keir@20545	408 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, int fd)
keir@20545	409 {
keir@20545	410 if (!xs_watch(ctx->xsh, "@releaseDomain", "domain_death"))
keir@20545	411 return -1;
keir@20545	412 *fd = xs_fileno(ctx->xsh);
keir@20545	413 return 0;
keir@20545	414 }
keir@20545	415
keir@20545	416 int libxl_is_domain_dead(struct libxl_ctx ctx, uint32_t domid, xc_dominfo_t info)
keir@20545	417 {
keir@20545	418 unsigned int num;
keir@20545	419 int nb_domain, i, rc = 0;
keir@20545	420 char **vec = NULL;
keir@20545	421 xc_dominfo_t *list = NULL;
keir@20545	422
keir@20545	423 vec = xs_read_watch(ctx->xsh, &num);
keir@20545	424 if (!vec)
keir@20545	425 return 0;
keir@20545	426 if (!strcmp(vec[XS_WATCH_TOKEN], "domain_death")) {
keir@20545	427 list = libxl_domain_infolist(ctx, &nb_domain);
keir@20545	428 for (i = 0; i < nb_domain; i++) {
keir@20545	429 if (domid == list[i].domid) {
keir@20545	430 if (list[i].running \|\| (!list[i].shutdown && !list[i].crashed && !list[i].dying))
keir@20545	431 goto out;
keir@20545	432 *info = list[i];
keir@20545	433 rc = 1;
keir@20545	434 goto out;
keir@20545	435 }
keir@20545	436 }
keir@20545	437 memset(info, 0x00, sizeof(xc_dominfo_t));
keir@20545	438 rc = 1;
keir@20545	439 goto out;
keir@20545	440 }
keir@20545	441
keir@20545	442 out:
keir@20545	443 free(list);
keir@20545	444 free(vec);
keir@20545	445 return rc;
keir@20545	446 }
keir@20545	447
keir@20462	448 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	449 {
keir@20462	450 char *pid;
keir@20462	451 int ret;
keir@20462	452
keir@20462	453 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	454 if (!pid) {
keir@20542	455 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	456 if (!stubdomid) {
keir@20542	457 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542	458 return -1;
keir@20542	459 }
keir@20542	460 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	461 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	462 }
keir@20462	463 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	464
keir@20462	465 ret = kill(atoi(pid), SIGHUP);
keir@20462	466 if (ret < 0 && errno == ESRCH) {
keir@20512	467 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	468 ret = 0;
keir@20462	469 } else if (ret == 0) {
keir@20512	470 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	471 ret = 0;
keir@20462	472 } else {
keir@20512	473 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	474 atoi(pid));
keir@20462	475 }
keir@20462	476 return ret;
keir@20462	477 }
keir@20462	478
keir@20462	479 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	480 {
keir@20462	481 char *dom_path, vm_path[41];
keir@20468	482 xen_uuid_t *uuid;
keir@20512	483 int rc;
keir@20462	484
keir@20462	485 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	486 if (!dom_path)
keir@20462	487 return -1;
keir@20512	488
keir@20462	489 if (libxl_domid_to_uuid(ctx, &uuid, domid) < 0) {
keir@20512	490 XL_LOG(ctx, XL_LOG_ERROR, "failed ot get uuid for %d", domid);
keir@20462	491 return -1;
keir@20462	492 }
keir@20482	493 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	494 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20462	495 xs_write(ctx->xsh, XBT_NULL,
keir@20462	496 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20462	497 "shutdown", strlen("shutdown"));
keir@20512	498 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	499 if (rc < 0) {
keir@20512	500 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	501 return -1;
keir@20462	502 }
keir@20542	503 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20542	504 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20462	505 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	506 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462	507 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512	508 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20468	509 snprintf(vm_path, sizeof(vm_path), "/vm/%s", libxl_uuid_to_string(ctx, uuid));
keir@20462	510 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20512	511 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20545	512 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	513 if (rc < 0) {
keir@20545	514 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545	515 return -1;
keir@20545	516 }
keir@20462	517 return 0;
keir@20462	518 }
keir@20462	519
keir@20564	520 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	521 {
keir@20564	522 struct stat st;
keir@20564	523 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564	524 char *cmd;
keir@20564	525
keir@20564	526 if (stat(XENCONSOLE, &st) != 0) {
keir@20564	527 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564	528 return ERROR_FAIL;
keir@20564	529 }
keir@20564	530
keir@20564	531 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564	532 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564	533 }
keir@20564	534
keir@20462	535 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	536 libxl_device_model_info *info,
keir@20462	537 libxl_device_nic *vifs,
keir@20462	538 int num_vifs)
keir@20462	539 {
keir@20462	540 int num = 0, i;
keir@20462	541 flexarray_t *dm_args;
keir@20462	542 dm_args = flexarray_make(16, 1);
keir@20462	543 if (!dm_args)
keir@20462	544 return NULL;
keir@20462	545
keir@20516	546 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	547 flexarray_set(dm_args, num++, "-d");
keir@20462	548
keir@20462	549 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	550
keir@20462	551 if (info->dom_name) {
keir@20516	552 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	553 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	554 }
keir@20462	555 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	556 flexarray_set(dm_args, num++, "-vnc");
keir@20462	557 if (info->vncdisplay) {
keir@20462	558 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462	559 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462	560 } else {
keir@20462	561 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	562 }
keir@20462	563 } else if (info->vnclisten) {
keir@20462	564 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	565 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	566 } else {
keir@20462	567 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	568 }
keir@20462	569 } else {
keir@20516	570 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	571 }
keir@20462	572 if (info->vncunused) {
keir@20516	573 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	574 }
keir@20462	575 }
keir@20462	576 if (info->sdl \|\| info->opengl) {
keir@20516	577 flexarray_set(dm_args, num++, "-sdl");
keir@20462	578 if (info->opengl) {
keir@20516	579 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	580 }
keir@20462	581 }
keir@20462	582 if (info->keymap) {
keir@20516	583 flexarray_set(dm_args, num++, "-k");
keir@20516	584 flexarray_set(dm_args, num++, info->keymap);
keir@20462	585 }
keir@20462	586 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	587 flexarray_set(dm_args, num++, "-nographic");
keir@20462	588 }
keir@20462	589 if (info->serial) {
keir@20516	590 flexarray_set(dm_args, num++, "-serial");
keir@20516	591 flexarray_set(dm_args, num++, info->serial);
keir@20462	592 }
keir@20509	593 if (info->type == XENFV) {
keir@20509	594 if (info->videoram) {
keir@20516	595 flexarray_set(dm_args, num++, "-videoram");
keir@20509	596 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	597 }
keir@20509	598 if (info->stdvga) {
keir@20516	599 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	600 }
keir@20509	601
keir@20509	602 if (info->boot) {
keir@20516	603 flexarray_set(dm_args, num++, "-boot");
keir@20516	604 flexarray_set(dm_args, num++, info->boot);
keir@20509	605 }
keir@20509	606 if (info->usb) {
keir@20516	607 flexarray_set(dm_args, num++, "-usb");
keir@20509	608 if (info->usbdevice) {
keir@20516	609 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	610 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	611 }
keir@20509	612 }
keir@20509	613 if (info->apic) {
keir@20516	614 flexarray_set(dm_args, num++, "-acpi");
keir@20509	615 }
keir@20509	616 for (i = 0; i < num_vifs; i++) {
keir@20509	617 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20516	618 flexarray_set(dm_args, num++, "-net");
keir@20509	619 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20509	620 vifs[i].devid, vifs[i].smac, vifs[i].model));
keir@20516	621 flexarray_set(dm_args, num++, "-net");
keir@20509	622 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	623 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509	624 }
keir@20462	625 }
keir@20462	626 }
keir@20565	627 if (info->saved_state) {
keir@20565	628 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	629 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	630 }
keir@20509	631 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	632 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	633 flexarray_set(dm_args, num++, "-M");
keir@20509	634 if (info->type == XENPV)
keir@20516	635 flexarray_set(dm_args, num++, "xenpv");
keir@20509	636 else
keir@20516	637 flexarray_set(dm_args, num++, "xenfv");
keir@20462	638 flexarray_set(dm_args, num++, NULL);
keir@20462	639
keir@20462	640 return (char **) flexarray_contents(dm_args);
keir@20462	641 }
keir@20462	642
keir@20514	643 struct libxl_device_model_starting {
keir@20514	644 struct libxl_spawn_starting for_spawn; /* first! */
keir@20514	645 char dom_path; / from libxl_malloc, only for dm_xenstore_record_pid */
keir@20514	646 int domid;
keir@20514	647 };
keir@20514	648
keir@20514	649 void dm_xenstore_record_pid(struct libxl_ctx ctx, void for_spawn,
keir@20514	650 pid_t innerchild) {
keir@20514	651 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	652 struct libxl_ctx clone;
keir@20514	653 char *kvs[3];
keir@20514	654 int rc;
keir@20514	655
keir@20514	656 clone = *ctx;
keir@20514	657 clone.xsh = xs_daemon_open();
keir@20514	658 /* we mustn't use the parent's handle in the child */
keir@20514	659
keir@20514	660 kvs[0] = "image/device-model-pid";
keir@20514	661 kvs[1] = libxl_sprintf(ctx, "%d", innerchild);
keir@20514	662 kvs[2] = NULL;
keir@20514	663 rc = libxl_xs_writev(ctx, XBT_NULL, starting->dom_path, kvs);
keir@20514	664 if (rc) XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20514	665 "Couldn't record device model pid %ld at %s/%s",
keir@20514	666 (unsigned long)innerchild, starting->dom_path, kvs);
keir@20514	667 }
keir@20514	668
keir@20542	669 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	670 libxl_device_model_info *info,
keir@20542	671 libxl_device_vfb *vfb,
keir@20542	672 libxl_device_vkb *vkb)
keir@20542	673 {
keir@20542	674 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	675 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	676
keir@20542	677 vfb->backend_domid = 0;
keir@20542	678 vfb->devid = 0;
keir@20542	679 vfb->vnc = info->vnc;
keir@20542	680 vfb->vnclisten = info->vnclisten;
keir@20542	681 vfb->vncdisplay = info->vncdisplay;
keir@20542	682 vfb->vncunused = info->vncunused;
keir@20542	683 vfb->keymap = info->keymap;
keir@20542	684 vfb->sdl = info->sdl;
keir@20542	685 vfb->opengl = info->opengl;
keir@20542	686
keir@20542	687 vkb->backend_domid = 0;
keir@20542	688 vkb->devid = 0;
keir@20542	689 return 0;
keir@20542	690 }
keir@20542	691
keir@20542	692 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	693 {
keir@20542	694 int i;
keir@20542	695 char *vm_path;
keir@20542	696 char dmargs, path;
keir@20542	697 int dmargs_size;
keir@20542	698 struct xs_permissions roperm[2];
keir@20542	699 xs_transaction_t t;
keir@20542	700
keir@20542	701 roperm[0].id = 0;
keir@20542	702 roperm[0].perms = XS_PERM_NONE;
keir@20542	703 roperm[1].id = domid;
keir@20542	704 roperm[1].perms = XS_PERM_READ;
keir@20542	705
keir@20542	706 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	707
keir@20542	708 i = 0;
keir@20542	709 dmargs_size = 0;
keir@20542	710 while (args[i] != NULL) {
keir@20542	711 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	712 i++;
keir@20542	713 }
keir@20542	714 dmargs_size++;
keir@20542	715 dmargs = (char *) malloc(dmargs_size);
keir@20542	716 i = 1;
keir@20542	717 dmargs[0] = '\0';
keir@20542	718 while (args[i] != NULL) {
keir@20542	719 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	720 strcat(dmargs, " ");
keir@20542	721 strcat(dmargs, args[i]);
keir@20542	722 }
keir@20542	723 i++;
keir@20542	724 }
keir@20542	725 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	726
keir@20542	727 retry_transaction:
keir@20542	728 t = xs_transaction_start(ctx->xsh);
keir@20542	729 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	730 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	731 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	732 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	733 if (errno == EAGAIN)
keir@20542	734 goto retry_transaction;
keir@20542	735 free(dmargs);
keir@20542	736 return 0;
keir@20542	737 }
keir@20542	738
keir@20542	739 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	740 libxl_device_model_info *info,
keir@20542	741 libxl_device_disk *disks, int num_disks,
keir@20542	742 libxl_device_nic *vifs, int num_vifs,
keir@20542	743 libxl_device_vfb *vfb,
keir@20542	744 libxl_device_vkb *vkb,
keir@20542	745 libxl_device_model_starting **starting_r)
keir@20542	746 {
keir@20570	747 int i, num_console = 1;
keir@20570	748 libxl_device_console *console;
keir@20542	749 libxl_domain_create_info c_info;
keir@20542	750 libxl_domain_build_info b_info;
keir@20542	751 libxl_domain_build_state state;
keir@20542	752 uint32_t domid;
keir@20542	753 char **args;
keir@20542	754 xen_uuid_t uuid[16];
keir@20542	755 struct xs_permissions perm[2];
keir@20542	756 xs_transaction_t t;
keir@20542	757
keir@20542	758 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	759 if (!args)
keir@20542	760 return ERROR_FAIL;
keir@20542	761
keir@20542	762 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	763 c_info.hvm = 0;
keir@20542	764 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20542	765 xen_uuid_generate(uuid);
keir@20542	766 c_info.uuid = uuid;
keir@20542	767
keir@20542	768 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	769 b_info.max_vcpus = 1;
keir@20542	770 b_info.max_memkb = 32 * 1024;
keir@20542	771 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542	772 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542	773 b_info.u.pv.ramdisk = "";
keir@20542	774 b_info.u.pv.features = "";
keir@20542	775 b_info.hvm = 0;
keir@20542	776
keir@20542	777 libxl_domain_make(ctx, &c_info, &domid);
keir@20542	778 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542	779
keir@20542	780 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542	781 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)), "%d", domid);
keir@20542	782 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542	783 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542	784 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	785
keir@20542	786 perm[0].id = domid;
keir@20542	787 perm[0].perms = XS_PERM_NONE;
keir@20542	788 perm[1].id = info->domid;
keir@20542	789 perm[1].perms = XS_PERM_READ;
keir@20542	790 retry_transaction:
keir@20542	791 t = xs_transaction_start(ctx->xsh);
keir@20542	792 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	793 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20542	794 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	795 if (errno == EAGAIN)
keir@20542	796 goto retry_transaction;
keir@20542	797
keir@20542	798 for (i = 0; i < num_disks; i++) {
keir@20542	799 libxl_device_disk disk = disks[i];
keir@20542	800 disk_info_domid_fixup(&disk, domid);
keir@20542	801 libxl_device_disk_add(ctx, domid, &disk);
keir@20542	802 }
keir@20542	803 for (i = 0; i < num_vifs; i++) {
keir@20542	804 libxl_device_nic nic = vifs[i];
keir@20542	805 nic_info_domid_fixup(&nic, domid);
keir@20542	806 libxl_device_nic_add(ctx, domid, &nic);
keir@20542	807 }
keir@20542	808 vfb_info_domid_fixup(vfb, domid);
keir@20542	809 libxl_device_vfb_add(ctx, domid, vfb);
keir@20542	810 vkb_info_domid_fixup(vkb, domid);
keir@20542	811 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542	812
keir@20570	813 if (info->serial)
keir@20570	814 num_console++;
keir@20570	815 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20570	816 for (i = 0; i < num_console; i++) {
keir@20570	817 if (!i)
keir@20570	818 init_console_info(&console[i], i, &state);
keir@20570	819 else
keir@20570	820 init_console_info(&console[i], i, NULL);
keir@20570	821 console_info_domid_fixup(&console[i], domid);
keir@20570	822 console[i].constype = CONSTYPE_IOEMU;
keir@20570	823 libxl_device_console_add(ctx, domid, &console[i]);
keir@20570	824 }
keir@20570	825 libxl_create_xenpv_qemu(ctx, vfb, num_console, console, starting_r);
keir@20542	826
keir@20542	827 libxl_domain_unpause(ctx, domid);
keir@20542	828
keir@20542	829 free(args);
keir@20542	830 return 0;
keir@20542	831 }
keir@20542	832
keir@20462	833 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	834 libxl_device_model_info *info,
keir@20542	835 libxl_device_disk *disks, int num_disks,
keir@20514	836 libxl_device_nic *vifs, int num_vifs,
keir@20514	837 libxl_device_model_starting **starting_r)
keir@20462	838 {
keir@20546	839 char path, logfile;
keir@20514	840 int logfile_w, null;
keir@20546	841 int rc;
keir@20462	842 char **args;
keir@20514	843 struct libxl_spawn_starting buf_spawn, *for_spawn;
keir@20514	844
keir@20542	845 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	846 libxl_device_vfb vfb;
keir@20542	847 libxl_device_vkb vkb;
keir@20542	848
keir@20542	849 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	850 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	851 }
keir@20542	852
keir@20514	853 *starting_r= 0;
keir@20462	854
keir@20462	855 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	856 if (!args)
keir@20462	857 return ERROR_FAIL;
keir@20462	858
keir@20462	859 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	860 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462	861
keir@20546	862 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	863 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	864 free(logfile);
keir@20462	865 null = open("/dev/null", O_RDONLY);
keir@20514	866
keir@20514	867 if (starting_r) {
keir@20516	868 rc = ERROR_NOMEM;
keir@20514	869 starting_r= libxl_calloc(ctx, sizeof(*starting_r), 1);
keir@20516	870 if (!*starting_r) goto xit;
keir@20514	871 (*starting_r)->domid= info->domid;
keir@20514	872
keir@20514	873 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20514	874 if (!(starting_r)->dom_path) { free(starting_r); return ERROR_FAIL; }
keir@20514	875
keir@20514	876 for_spawn= &(*starting_r)->for_spawn;
keir@20514	877 } else {
keir@20514	878 for_spawn= &buf_spawn;
keir@20514	879 }
keir@20514	880 rc = libxl_spawn_spawn(ctx, for_spawn, "device model",
keir@20514	881 dm_xenstore_record_pid);
keir@20514	882 if (rc < 0) goto xit;
keir@20514	883 if (!rc) { /* inner child */
keir@20514	884 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514	885 info->device_model, args);
keir@20514	886 }
keir@20514	887
keir@20514	888 rc = 0;
keir@20514	889 xit:
keir@20516	890 free(args);
keir@20462	891 close(null);
keir@20462	892 close(logfile_w);
keir@20462	893
keir@20514	894 return rc;
keir@20514	895 }
keir@20514	896
keir@20514	897 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20514	898 libxl_device_model_starting *starting) {
keir@20514	899 int rc;
keir@20514	900 rc = libxl_spawn_detach(ctx, &starting->for_spawn);
keir@20514	901 libxl_free(ctx, starting);
keir@20514	902 return rc;
keir@20514	903 }
keir@20462	904
keir@20514	905
keir@20514	906 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20514	907 libxl_device_model_starting *starting) {
keir@20514	908 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	909 libxl_spawn_check,
keir@20514	910 &starting->for_spawn);
keir@20514	911 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	912 return problem ? problem : detach;
keir@20542	913 return 0;
keir@20462	914 }
keir@20462	915
keir@20514	916
keir@20462	917 /******************************************************************************/
keir@20566	918
keir@20566	919 static int is_blktap2_supported(void)
keir@20566	920 {
keir@20566	921 char buf[1024];
keir@20566	922 FILE *f = fopen("/proc/devices", "r");
keir@20566	923
keir@20566	924
keir@20566	925 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566	926 if (strstr(buf, "blktap2")) {
keir@20566	927 fclose(f);
keir@20566	928 return 1;
keir@20566	929 }
keir@20566	930 }
keir@20566	931 fclose(f);
keir@20566	932 return 0;
keir@20566	933 }
keir@20566	934
keir@20566	935 static char get_blktap2_device(struct libxl_ctx ctx, char name, char type)
keir@20566	936 {
keir@20566	937 char buf[1024];
keir@20566	938 char *p;
keir@20566	939 int devnum;
keir@20566	940 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566	941
keir@20566	942
keir@20566	943 while (!feof(f)) {
keir@20566	944 fscanf(f, "%d %s", &devnum, buf);
keir@20566	945 p = strchr(buf, ':');
keir@20571	946 if (p == NULL)
keir@20571	947 continue;
keir@20566	948 p++;
keir@20566	949 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566	950 fclose(f);
keir@20566	951 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566	952 }
keir@20566	953 }
keir@20566	954 fclose(f);
keir@20566	955 return NULL;
keir@20566	956 }
keir@20566	957
keir@20462	958 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	959 {
keir@20462	960 flexarray_t *front;
keir@20462	961 flexarray_t *back;
keir@20462	962 char *backend_type;
keir@20462	963 unsigned int boffset = 0;
keir@20462	964 unsigned int foffset = 0;
keir@20462	965 int devid;
keir@20462	966 libxl_device device;
keir@20566	967 int major, minor;
keir@20462	968
keir@20462	969 front = flexarray_make(16, 1);
keir@20462	970 if (!front)
keir@20462	971 return ERROR_NOMEM;
keir@20462	972 back = flexarray_make(16, 1);
keir@20462	973 if (!back) /* leaks front if error */
keir@20462	974 return ERROR_NOMEM;
keir@20462	975
keir@20462	976 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	977 devid = device_disk_dev_number(disk->virtpath);
keir@20462	978
keir@20462	979 device.backend_devid = devid;
keir@20462	980 device.backend_domid = disk->backend_domid;
keir@20462	981 device.devid = devid;
keir@20462	982 device.domid = disk->domid;
keir@20462	983 device.kind = DEVICE_VBD;
keir@20462	984
keir@20462	985 switch (disk->phystype) {
keir@20462	986 case PHYSTYPE_PHY: {
keir@20462	987
keir@20509	988 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	989 flexarray_set(back, boffset++, "physical-device");
keir@20462	990 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	991
keir@20516	992 flexarray_set(back, boffset++, "params");
keir@20516	993 flexarray_set(back, boffset++, disk->physpath);
keir@20462	994
keir@20462	995 device.backend_kind = DEVICE_VBD;
keir@20462	996 break;
keir@20462	997 }
keir@20566	998 case PHYSTYPE_FILE:
keir@20566	999 /* let's pretend is tap:aio for the moment */
keir@20566	1000 disk->phystype = PHYSTYPE_AIO;
keir@20462	1001 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566	1002 if (is_blktap2_supported()) {
keir@20566	1003 int rc, c, p[2], tot;
keir@20566	1004 char buf[1024], *dev;
keir@20566	1005 if ((dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype))) == NULL) {
keir@20566	1006 if (pipe(p) < 0) {
keir@20566	1007 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566	1008 return -1;
keir@20566	1009 }
keir@20566	1010 rc = fork();
keir@20566	1011 if (rc < 0) {
keir@20566	1012 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566	1013 return -1;
keir@20566	1014 } else if (!rc) { /* child */
keir@20566	1015 int null_r, null_w;
keir@20566	1016 char *args[4];
keir@20566	1017 args[0] = "tapdisk2";
keir@20566	1018 args[1] = "-n";
keir@20566	1019 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566	1020 args[3] = NULL;
keir@20566	1021
keir@20566	1022 null_r = open("/dev/null", O_RDONLY);
keir@20566	1023 null_w = open("/dev/null", O_WRONLY);
keir@20566	1024 libxl_exec(ctx, null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566	1025 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566	1026 }
keir@20566	1027 close(p[1]);
keir@20566	1028 tot = 0;
keir@20566	1029 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566	1030 tot = tot + c;
keir@20566	1031 close(p[0]);
keir@20566	1032 buf[tot - 1] = '\0';
keir@20566	1033 dev = buf;
keir@20566	1034 }
keir@20566	1035 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566	1036 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1037 flexarray_set(back, boffset++, "params");
keir@20566	1038 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566	1039 backend_type = "phy";
keir@20566	1040 device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1041 flexarray_set(back, boffset++, "physical-device");
keir@20566	1042 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566	1043 device.backend_kind = DEVICE_VBD;
keir@20566	1044
keir@20566	1045 break;
keir@20566	1046 }
keir@20516	1047 flexarray_set(back, boffset++, "params");
keir@20462	1048 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	1049 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1050
keir@20462	1051 device.backend_kind = DEVICE_TAP;
keir@20462	1052 break;
keir@20462	1053 }
keir@20462	1054
keir@20516	1055 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1056 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	1057 flexarray_set(back, boffset++, "online");
keir@20516	1058 flexarray_set(back, boffset++, "1");
keir@20516	1059 flexarray_set(back, boffset++, "removable");
keir@20462	1060 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1061 flexarray_set(back, boffset++, "bootable");
keir@20509	1062 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1063 flexarray_set(back, boffset++, "state");
keir@20462	1064 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1065 flexarray_set(back, boffset++, "dev");
keir@20516	1066 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1067 flexarray_set(back, boffset++, "type");
keir@20516	1068 flexarray_set(back, boffset++, backend_type);
keir@20516	1069 flexarray_set(back, boffset++, "mode");
keir@20516	1070 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1071
keir@20516	1072 flexarray_set(front, foffset++, "backend-id");
keir@20462	1073 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	1074 flexarray_set(front, foffset++, "state");
keir@20462	1075 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1076 flexarray_set(front, foffset++, "virtual-device");
keir@20462	1077 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	1078 flexarray_set(front, foffset++, "device-type");
keir@20516	1079 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1080
keir@20462	1081 if (0 /* protocol != native*/) {
keir@20516	1082 flexarray_set(front, foffset++, "protocol");
keir@20516	1083 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1084 }
keir@20462	1085
keir@20462	1086 libxl_device_generic_add(ctx, &device,
keir@20462	1087 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1088 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1089 flexarray_free(back);
keir@20516	1090 flexarray_free(front);
keir@20462	1091 return 0;
keir@20462	1092 }
keir@20462	1093
keir@20462	1094 int libxl_device_disk_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1095 {
keir@20462	1096 return ERROR_NI;
keir@20462	1097 }
keir@20462	1098
keir@20462	1099 int libxl_device_disk_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1100 {
keir@20462	1101 return ERROR_NI;
keir@20462	1102 }
keir@20462	1103
keir@20462	1104 /******************************************************************************/
keir@20462	1105 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1106 {
keir@20462	1107 flexarray_t *front;
keir@20462	1108 flexarray_t *back;
keir@20462	1109 unsigned int boffset = 0;
keir@20462	1110 unsigned int foffset = 0;
keir@20462	1111 libxl_device device;
keir@20462	1112
keir@20462	1113 front = flexarray_make(16, 1);
keir@20462	1114 if (!front)
keir@20462	1115 return ERROR_NOMEM;
keir@20462	1116 back = flexarray_make(16, 1);
keir@20462	1117 if (!back)
keir@20462	1118 return ERROR_NOMEM;
keir@20462	1119
keir@20462	1120 device.backend_devid = nic->devid;
keir@20462	1121 device.backend_domid = nic->backend_domid;
keir@20462	1122 device.backend_kind = DEVICE_VIF;
keir@20462	1123 device.devid = nic->devid;
keir@20462	1124 device.domid = nic->domid;
keir@20462	1125 device.kind = DEVICE_VIF;
keir@20462	1126
keir@20516	1127 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1128 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	1129 flexarray_set(back, boffset++, "online");
keir@20516	1130 flexarray_set(back, boffset++, "1");
keir@20516	1131 flexarray_set(back, boffset++, "state");
keir@20462	1132 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1133 flexarray_set(back, boffset++, "script");
keir@20516	1134 flexarray_set(back, boffset++, nic->script);
keir@20516	1135 flexarray_set(back, boffset++, "mac");
keir@20462	1136 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1137 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1138 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516	1139 flexarray_set(back, boffset++, "handle");
keir@20462	1140 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	1141
keir@20516	1142 flexarray_set(front, foffset++, "backend-id");
keir@20462	1143 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1144 flexarray_set(front, foffset++, "state");
keir@20462	1145 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1146 flexarray_set(front, foffset++, "handle");
keir@20462	1147 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1148 flexarray_set(front, foffset++, "mac");
keir@20462	1149 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1150 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1151 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1152 if (0 /* protocol != native*/) {
keir@20516	1153 flexarray_set(front, foffset++, "protocol");
keir@20516	1154 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1155 }
keir@20462	1156
keir@20462	1157 libxl_device_generic_add(ctx, &device,
keir@20462	1158 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1159 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1160
keir@20462	1161 /* FIXME: wait for plug */
keir@20516	1162 flexarray_free(back);
keir@20516	1163 flexarray_free(front);
keir@20462	1164 return 0;
keir@20462	1165 }
keir@20462	1166
keir@20462	1167 int libxl_device_nic_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1168 {
keir@20462	1169 return ERROR_NI;
keir@20462	1170 }
keir@20462	1171
keir@20462	1172 int libxl_device_nic_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1173 {
keir@20462	1174 return ERROR_NI;
keir@20462	1175 }
keir@20462	1176
keir@20462	1177 /******************************************************************************/
keir@20509	1178 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1179 {
keir@20509	1180 flexarray_t *front;
keir@20509	1181 flexarray_t *back;
keir@20509	1182 unsigned int boffset = 0;
keir@20509	1183 unsigned int foffset = 0;
keir@20509	1184 libxl_device device;
keir@20509	1185
keir@20509	1186 if (console->build_state) {
keir@20509	1187 xs_transaction_t t;
keir@20509	1188 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1189 ents[0] = "console/port";
keir@20509	1190 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1191 ents[2] = "console/ring-ref";
keir@20509	1192 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1193 ents[4] = "console/limit";
keir@20509	1194 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1195 ents[6] = "console/type";
keir@20509	1196 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1197 ents[7] = "xenconsoled";
keir@20509	1198 else
keir@20509	1199 ents[7] = "ioemu";
keir@20509	1200 retry_transaction:
keir@20509	1201 t = xs_transaction_start(ctx->xsh);
keir@20516	1202 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1203 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1204 if (errno == EAGAIN)
keir@20509	1205 goto retry_transaction;
keir@20509	1206 }
keir@20509	1207
keir@20509	1208 front = flexarray_make(16, 1);
keir@20509	1209 if (!front)
keir@20509	1210 return ERROR_NOMEM;
keir@20509	1211 back = flexarray_make(16, 1);
keir@20509	1212 if (!back)
keir@20509	1213 return ERROR_NOMEM;
keir@20509	1214
keir@20509	1215 device.backend_devid = console->devid;
keir@20509	1216 device.backend_domid = console->backend_domid;
keir@20509	1217 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1218 device.devid = console->devid;
keir@20509	1219 device.domid = console->domid;
keir@20509	1220 device.kind = DEVICE_CONSOLE;
keir@20509	1221
keir@20516	1222 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1223 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1224 flexarray_set(back, boffset++, "online");
keir@20516	1225 flexarray_set(back, boffset++, "1");
keir@20516	1226 flexarray_set(back, boffset++, "state");
keir@20509	1227 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1228 flexarray_set(back, boffset++, "domain");
keir@20516	1229 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1230 flexarray_set(back, boffset++, "protocol");
keir@20516	1231 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1232
keir@20516	1233 flexarray_set(front, foffset++, "backend-id");
keir@20509	1234 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1235 flexarray_set(front, foffset++, "state");
keir@20509	1236 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1237 flexarray_set(front, foffset++, "limit");
keir@20509	1238 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1239 flexarray_set(front, foffset++, "protocol");
keir@20516	1240 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1241 flexarray_set(front, foffset++, "type");
keir@20509	1242 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1243 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1244 else
keir@20516	1245 flexarray_set(front, foffset++, "ioemu");
keir@20509	1246
keir@20509	1247 libxl_device_generic_add(ctx, &device,
keir@20509	1248 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1249 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1250 flexarray_free(back);
keir@20516	1251 flexarray_free(front);
keir@20509	1252
keir@20509	1253 return 0;
keir@20509	1254 }
keir@20509	1255
keir@20509	1256 /******************************************************************************/
keir@20509	1257 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1258 {
keir@20509	1259 flexarray_t *front;
keir@20509	1260 flexarray_t *back;
keir@20509	1261 unsigned int boffset = 0;
keir@20509	1262 unsigned int foffset = 0;
keir@20509	1263 libxl_device device;
keir@20509	1264
keir@20509	1265 front = flexarray_make(16, 1);
keir@20509	1266 if (!front)
keir@20509	1267 return ERROR_NOMEM;
keir@20509	1268 back = flexarray_make(16, 1);
keir@20509	1269 if (!back)
keir@20509	1270 return ERROR_NOMEM;
keir@20509	1271
keir@20509	1272 device.backend_devid = vkb->devid;
keir@20509	1273 device.backend_domid = vkb->backend_domid;
keir@20509	1274 device.backend_kind = DEVICE_VKBD;
keir@20509	1275 device.devid = vkb->devid;
keir@20509	1276 device.domid = vkb->domid;
keir@20509	1277 device.kind = DEVICE_VKBD;
keir@20509	1278
keir@20516	1279 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1280 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1281 flexarray_set(back, boffset++, "online");
keir@20516	1282 flexarray_set(back, boffset++, "1");
keir@20516	1283 flexarray_set(back, boffset++, "state");
keir@20509	1284 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1285 flexarray_set(back, boffset++, "domain");
keir@20516	1286 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	1287
keir@20516	1288 flexarray_set(front, foffset++, "backend-id");
keir@20509	1289 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	1290 flexarray_set(front, foffset++, "state");
keir@20509	1291 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1292
keir@20509	1293 libxl_device_generic_add(ctx, &device,
keir@20509	1294 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1295 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1296 flexarray_free(back);
keir@20516	1297 flexarray_free(front);
keir@20509	1298
keir@20509	1299 return 0;
keir@20462	1300 }
keir@20462	1301
keir@20462	1302 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1303 {
keir@20462	1304 return ERROR_NI;
keir@20462	1305 }
keir@20462	1306
keir@20462	1307 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1308 {
keir@20462	1309 return ERROR_NI;
keir@20462	1310 }
keir@20462	1311
keir@20462	1312 /******************************************************************************/
keir@20509	1313 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	1314 libxl_device_vfb *vfb,
keir@20509	1315 int num_console,
keir@20509	1316 libxl_device_console *console,
keir@20509	1317 libxl_device_model_info *info) {
keir@20509	1318 int i = 0, j = 0, num = 0;
keir@20509	1319 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	1320
keir@20509	1321 info->vnc = vfb->vnc;
keir@20509	1322 if (vfb->vnclisten)
keir@20509	1323 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509	1324 info->vncdisplay = vfb->vncdisplay;
keir@20509	1325 info->vncunused = vfb->vncunused;
keir@20509	1326 if (vfb->keymap)
keir@20509	1327 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509	1328 info->sdl = vfb->sdl;
keir@20509	1329 info->opengl = vfb->opengl;
keir@20509	1330 for (i = 0; i < num_console; i++) {
keir@20509	1331 if (console->constype == CONSTYPE_IOEMU)
keir@20509	1332 num++;
keir@20509	1333 }
keir@20509	1334 if (num > 0) {
keir@20509	1335 info->serial = "pty";
keir@20509	1336 num--;
keir@20509	1337 }
keir@20509	1338 if (num > 0) {
keir@20509	1339 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	1340 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	1341 info->extra[j] = "-serial";
keir@20509	1342 info->extra[j + 1] = "pty";
keir@20509	1343 }
keir@20509	1344 info->extra[j] = NULL;
keir@20509	1345 }
keir@20509	1346 info->domid = vfb->domid;
keir@20509	1347 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509	1348 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509	1349 info->type = XENPV;
keir@20509	1350 return 0;
keir@20509	1351 }
keir@20509	1352
keir@20509	1353 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	1354 int num_console, libxl_device_console *console,
keir@20514	1355 struct libxl_device_model_starting **starting_r)
keir@20509	1356 {
keir@20509	1357 libxl_device_model_info info;
keir@20509	1358
keir@20509	1359 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	1360 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	1361 return 0;
keir@20509	1362 }
keir@20509	1363
keir@20509	1364 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1365 {
keir@20509	1366 flexarray_t *front;
keir@20509	1367 flexarray_t *back;
keir@20509	1368 unsigned int boffset = 0;
keir@20509	1369 unsigned int foffset = 0;
keir@20509	1370 libxl_device device;
keir@20509	1371
keir@20509	1372 front = flexarray_make(16, 1);
keir@20509	1373 if (!front)
keir@20509	1374 return ERROR_NOMEM;
keir@20509	1375 back = flexarray_make(16, 1);
keir@20509	1376 if (!back)
keir@20509	1377 return ERROR_NOMEM;
keir@20509	1378
keir@20509	1379 device.backend_devid = vfb->devid;
keir@20509	1380 device.backend_domid = vfb->backend_domid;
keir@20509	1381 device.backend_kind = DEVICE_VFB;
keir@20509	1382 device.devid = vfb->devid;
keir@20509	1383 device.domid = vfb->domid;
keir@20509	1384 device.kind = DEVICE_VFB;
keir@20509	1385
keir@20516	1386 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1387 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	1388 flexarray_set(back, boffset++, "online");
keir@20516	1389 flexarray_set(back, boffset++, "1");
keir@20516	1390 flexarray_set(back, boffset++, "state");
keir@20509	1391 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1392 flexarray_set(back, boffset++, "domain");
keir@20516	1393 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1394 flexarray_set(back, boffset++, "vnc");
keir@20509	1395 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	1396 flexarray_set(back, boffset++, "vnclisten");
keir@20516	1397 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516	1398 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	1399 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	1400 flexarray_set(back, boffset++, "vncunused");
keir@20509	1401 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	1402 flexarray_set(back, boffset++, "sdl");
keir@20509	1403 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	1404 flexarray_set(back, boffset++, "opengl");
keir@20509	1405 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	1406 if (vfb->xauthority) {
keir@20516	1407 flexarray_set(back, boffset++, "xauthority");
keir@20516	1408 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	1409 }
keir@20509	1410 if (vfb->display) {
keir@20516	1411 flexarray_set(back, boffset++, "display");
keir@20516	1412 flexarray_set(back, boffset++, vfb->display);
keir@20509	1413 }
keir@20509	1414
keir@20516	1415 flexarray_set(front, foffset++, "backend-id");
keir@20509	1416 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	1417 flexarray_set(front, foffset++, "state");
keir@20509	1418 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1419
keir@20509	1420 libxl_device_generic_add(ctx, &device,
keir@20509	1421 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1422 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	1423 flexarray_free(front);
keir@20509	1424 flexarray_free(back);
keir@20509	1425
keir@20509	1426 return 0;
keir@20462	1427 }
keir@20462	1428
keir@20462	1429 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1430 {
keir@20462	1431 return ERROR_NI;
keir@20462	1432 }
keir@20462	1433
keir@20462	1434 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1435 {
keir@20462	1436 return ERROR_NI;
keir@20462	1437 }
keir@20462	1438
keir@20462	1439 /******************************************************************************/
keir@20482	1440
keir@20482	1441 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	1442 unsigned int bus, unsigned int dev,
keir@20482	1443 unsigned int func, unsigned int vdevfn)
keir@20482	1444 {
keir@20482	1445 pcidev->domain = domain;
keir@20482	1446 pcidev->bus = bus;
keir@20482	1447 pcidev->dev = dev;
keir@20482	1448 pcidev->func = func;
keir@20482	1449 pcidev->vdevfn = vdevfn;
keir@20482	1450 return 0;
keir@20482	1451 }
keir@20482	1452
keir@20482	1453 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	1454 {
keir@20482	1455 flexarray_t *front;
keir@20482	1456 flexarray_t *back;
keir@20482	1457 unsigned int boffset = 0;
keir@20482	1458 unsigned int foffset = 0;
keir@20482	1459 libxl_device device;
keir@20482	1460 int i;
keir@20482	1461
keir@20482	1462 front = flexarray_make(16, 1);
keir@20482	1463 if (!front)
keir@20482	1464 return ERROR_NOMEM;
keir@20482	1465 back = flexarray_make(16, 1);
keir@20482	1466 if (!back)
keir@20482	1467 return ERROR_NOMEM;
keir@20482	1468
keir@20512	1469 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	1470
keir@20482	1471 /* add pci device */
keir@20482	1472 device.backend_devid = 0;
keir@20482	1473 device.backend_domid = 0;
keir@20482	1474 device.backend_kind = DEVICE_PCI;
keir@20482	1475 device.devid = 0;
keir@20482	1476 device.domid = domid;
keir@20482	1477 device.kind = DEVICE_PCI;
keir@20482	1478
keir@20516	1479 flexarray_set(back, boffset++, "frontend-id");
keir@20482	1480 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	1481 flexarray_set(back, boffset++, "online");
keir@20516	1482 flexarray_set(back, boffset++, "1");
keir@20516	1483 flexarray_set(back, boffset++, "state");
keir@20482	1484 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1485 flexarray_set(back, boffset++, "domain");
keir@20516	1486 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	1487 for (i = 0; i < num; i++) {
keir@20482	1488 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	1489 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1490 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	1491 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1492 if (pcidev->vdevfn) {
keir@20482	1493 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	1494 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1495 }
keir@20482	1496 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	1497 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1498 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	1499 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1500 }
keir@20516	1501 flexarray_set(back, boffset++, "num_devs");
keir@20482	1502 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	1503
keir@20516	1504 flexarray_set(front, foffset++, "backend-id");
keir@20482	1505 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	1506 flexarray_set(front, foffset++, "state");
keir@20482	1507 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1508
keir@20482	1509 libxl_device_generic_add(ctx, &device,
keir@20482	1510 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	1511 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	1512
keir@20482	1513 flexarray_free(back);
keir@20482	1514 flexarray_free(front);
keir@20482	1515 return 0;
keir@20482	1516 }
keir@20482	1517
keir@20482	1518 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1519 {
keir@20482	1520 flexarray_t *back;
keir@20482	1521 char num_devs, be_path;
keir@20482	1522 int num = 0;
keir@20482	1523 unsigned int boffset = 0;
keir@20482	1524 xs_transaction_t t;
keir@20482	1525
keir@20516	1526 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1527 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1528 if (!num_devs)
keir@20482	1529 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	1530
keir@20482	1531 if (!is_hvm(ctx, domid)) {
keir@20482	1532 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482	1533 return -1;
keir@20482	1534 }
keir@20482	1535
keir@20482	1536 back = flexarray_make(16, 1);
keir@20482	1537 if (!back)
keir@20482	1538 return ERROR_NOMEM;
keir@20482	1539
keir@20512	1540 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	1541 num = atoi(num_devs);
keir@20482	1542 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	1543 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1544 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	1545 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1546 if (pcidev->vdevfn) {
keir@20482	1547 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	1548 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1549 }
keir@20482	1550 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	1551 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1552 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	1553 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1554 flexarray_set(back, boffset++, "num_devs");
keir@20482	1555 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	1556 flexarray_set(back, boffset++, "state");
keir@20482	1557 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	1558
keir@20482	1559 retry_transaction:
keir@20482	1560 t = xs_transaction_start(ctx->xsh);
keir@20482	1561 libxl_xs_writev(ctx, t, be_path,
keir@20482	1562 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	1563 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1564 if (errno == EAGAIN)
keir@20482	1565 goto retry_transaction;
keir@20482	1566
keir@20482	1567 flexarray_free(back);
keir@20482	1568 return 0;
keir@20482	1569 }
keir@20482	1570
keir@20482	1571 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	1572 {
keir@20542	1573 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	1574 int num, i, j;
keir@20482	1575 xs_transaction_t t;
keir@20482	1576 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	1577
keir@20516	1578 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1579 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	1580 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	1581 if (!num_devs)
keir@20482	1582 return -1;
keir@20482	1583 num = atoi(num_devs);
keir@20482	1584
keir@20482	1585 if (!is_hvm(ctx, domid)) {
keir@20482	1586 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1587 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482	1588 return -1;
keir@20482	1589 }
keir@20482	1590 }
keir@20482	1591
keir@20482	1592 for (i = 0; i < num; i++) {
keir@20482	1593 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1594 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1595 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	1596 pcidev->dev == dev && pcidev->func == func) {
keir@20482	1597 break;
keir@20482	1598 }
keir@20482	1599 }
keir@20482	1600 if (i == num) {
keir@20512	1601 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482	1602 return -1;
keir@20482	1603 }
keir@20482	1604
keir@20482	1605 retry_transaction:
keir@20482	1606 t = xs_transaction_start(ctx->xsh);
keir@20542	1607 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	1608 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	1609 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1610 if (errno == EAGAIN)
keir@20482	1611 goto retry_transaction;
keir@20542	1612
keir@20542	1613 if (!is_hvm(ctx, domid)) {
keir@20542	1614 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1615 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542	1616 return -1;
keir@20542	1617 }
keir@20542	1618 }
keir@20542	1619
keir@20542	1620 retry_transaction2:
keir@20542	1621 t = xs_transaction_start(ctx->xsh);
keir@20542	1622 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	1623 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	1624 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	1625 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	1626 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	1627 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	1628 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	1629 for (j = i + 1; j < num; j++) {
keir@20542	1630 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	1631 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1632 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1633 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1634 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	1635 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1636 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1637 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1638 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	1639 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1640 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1641 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1642 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	1643 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1644 if (tmp) {
keir@20542	1645 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1646 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1647 }
keir@20542	1648 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	1649 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1650 if (tmp) {
keir@20542	1651 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1652 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1653 }
keir@20542	1654 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	1655 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1656 if (tmp) {
keir@20542	1657 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1658 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1659 }
keir@20542	1660 }
keir@20542	1661 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1662 if (errno == EAGAIN)
keir@20542	1663 goto retry_transaction2;
keir@20542	1664
keir@20542	1665 if (num == 1) {
keir@20542	1666 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	1667 libxl_device_destroy(ctx, be_path, 1);
keir@20542	1668 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	1669 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	1670 return 0;
keir@20542	1671 }
keir@20542	1672
keir@20482	1673 return 0;
keir@20462	1674 }
keir@20462	1675
keir@20482	1676 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1677 {
keir@20482	1678 char path[50];
keir@20482	1679 char state, vdevfn;
keir@20482	1680 int rc, hvm;
keir@20542	1681 int stubdomid = 0;
keir@20482	1682
keir@20482	1683 /* TODO: check if the device can be assigned */
keir@20482	1684
keir@20482	1685 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1686
keir@20542	1687 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1688 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1689 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	1690 }
keir@20542	1691
keir@20482	1692 hvm = is_hvm(ctx, domid);
keir@20482	1693 if (hvm) {
keir@20514	1694 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1695 return -1;
keir@20482	1696 }
keir@20482	1697 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1698 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1699 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1700 if (pcidev->vdevfn)
keir@20482	1701 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	1702 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	1703 else
keir@20482	1704 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1705 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1706 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1707 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514	1708 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512	1709 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1710 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1711 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1712 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20482	1713 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1714 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1715 } else {
keir@20542	1716 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1717 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1718 FILE *f = fopen(sysfs_path, "r");
keir@20482	1719 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1720 int irq = 0;
keir@20482	1721 int i;
keir@20482	1722
keir@20482	1723 if (f == NULL) {
keir@20512	1724 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1725 return -1;
keir@20482	1726 }
keir@20482	1727 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512	1728 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482	1729 size = end - start + 1;
keir@20482	1730 if (start) {
keir@20482	1731 if (flags & PCI_BAR_IO) {
keir@20482	1732 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482	1733 if (rc < 0)
keir@20512	1734 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1735 } else {
keir@20482	1736 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1737 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482	1738 if (rc < 0)
keir@20512	1739 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1740 }
keir@20482	1741 }
keir@20482	1742 }
keir@20482	1743 fclose(f);
keir@20542	1744 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1745 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1746 f = fopen(sysfs_path, "r");
keir@20482	1747 if (f == NULL) {
keir@20512	1748 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1749 goto out;
keir@20482	1750 }
keir@20482	1751 fscanf(f, "%u", &irq);
keir@20482	1752 if (irq) {
keir@20482	1753 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	1754 if (rc < 0) {
keir@20512	1755 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482	1756 }
keir@20482	1757 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	1758 if (rc < 0) {
keir@20512	1759 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482	1760 }
keir@20482	1761 }
keir@20482	1762 fclose(f);
keir@20482	1763 }
keir@20482	1764 out:
keir@20542	1765 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1766 if ((rc = xc_assign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1767 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542	1768 }
keir@20482	1769
keir@20482	1770 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	1771 return 0;
keir@20462	1772 }
keir@20462	1773
keir@20482	1774 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1775 {
keir@20482	1776 char path[50];
keir@20482	1777 char *state;
keir@20482	1778 int hvm, rc;
keir@20542	1779 int stubdomid = 0;
keir@20482	1780
keir@20482	1781 /* TODO: check if the device can be detached */
keir@20542	1782 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	1783
keir@20482	1784 hvm = is_hvm(ctx, domid);
keir@20482	1785 if (hvm) {
keir@20514	1786 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1787 return -1;
keir@20482	1788 }
keir@20482	1789 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1790 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1791 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1792 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1793 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1794 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1795 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514	1796 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512	1797 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1798 return -1;
keir@20482	1799 }
keir@20482	1800 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1801 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1802 } else {
keir@20542	1803 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1804 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1805 FILE *f = fopen(sysfs_path, "r");
keir@20482	1806 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1807 int irq = 0;
keir@20482	1808 int i;
keir@20482	1809
keir@20482	1810 if (f == NULL) {
keir@20512	1811 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1812 goto skip1;
keir@20482	1813 }
keir@20482	1814 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482	1815 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482	1816 size = end - start + 1;
keir@20482	1817 if (start) {
keir@20482	1818 if (flags & PCI_BAR_IO) {
keir@20482	1819 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	1820 if (rc < 0)
keir@20512	1821 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1822 } else {
keir@20482	1823 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1824 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	1825 if (rc < 0)
keir@20512	1826 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1827 }
keir@20482	1828 }
keir@20482	1829 }
keir@20482	1830 fclose(f);
keir@20482	1831 skip1:
keir@20542	1832 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1833 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1834 f = fopen(sysfs_path, "r");
keir@20482	1835 if (f == NULL) {
keir@20512	1836 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1837 goto out;
keir@20482	1838 }
keir@20482	1839 fscanf(f, "%u", &irq);
keir@20482	1840 if (irq) {
keir@20482	1841 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	1842 if (rc < 0) {
keir@20512	1843 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	1844 }
keir@20482	1845 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	1846 if (rc < 0) {
keir@20512	1847 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	1848 }
keir@20482	1849 }
keir@20482	1850 fclose(f);
keir@20482	1851 }
keir@20482	1852 out:
keir@20482	1853 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1854
keir@20542	1855 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1856 if ((rc = xc_deassign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1857 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	1858 }
keir@20542	1859
keir@20542	1860 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1861 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1862 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	1863 }
keir@20542	1864
keir@20482	1865 return 0;
keir@20462	1866 }
keir@20482	1867
keir@20482	1868 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	1869 {
keir@20482	1870 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	1871 int n, i;
keir@20482	1872 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	1873 libxl_device_pci *pcidevs;
keir@20482	1874
keir@20516	1875 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1876 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1877 if (!num_devs) {
keir@20482	1878 *num = 0;
keir@20482	1879 return NULL;
keir@20482	1880 }
keir@20482	1881 n = atoi(num_devs);
keir@20516	1882 pcidevs = (libxl_device_pci *) calloc(n, sizeof(libxl_device_pci));
keir@20482	1883 *num = n;
keir@20482	1884
keir@20482	1885 for (i = 0; i < n; i++) {
keir@20482	1886 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1887 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1888 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	1889 if (xsvdevfn)
keir@20482	1890 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	1891 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	1892 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	1893 if (xsopts) {
keir@20482	1894 char *saveptr;
keir@20482	1895 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	1896 do {
keir@20482	1897 while (*p == ' ')
keir@20482	1898 p++;
keir@20482	1899 if (!strcmp(p, "msitranslate")) {
keir@20482	1900 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1901 pcidevs[i].msitranslate = atoi(p);
keir@20482	1902 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	1903 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1904 pcidevs[i].power_mgmt = atoi(p);
keir@20482	1905 }
keir@20482	1906 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	1907 }
keir@20482	1908 }
keir@20482	1909 return pcidevs;
keir@20482	1910 }
keir@20482	1911
keir@20482	1912 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	1913 {
keir@20482	1914 libxl_device_pci *pcidevs;
keir@20482	1915 int num, i;
keir@20482	1916
keir@20482	1917 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	1918 for (i = 0; i < num; i++) {
keir@20482	1919 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482	1920 return -1;
keir@20482	1921 }
keir@20516	1922 free(pcidevs);
keir@20482	1923 return 0;
keir@20482	1924 }
keir@20482	1925
keir@20542	1926 void nic_info_domid_fixup(libxl_device_nic *nic_info, int domid)
keir@20542	1927 {
keir@20542	1928 nic_info->domid = domid;
keir@20542	1929 asprintf(&(nic_info->ifname), "tap%d.%d", domid, nic_info->devid - 1);
keir@20542	1930 }
keir@20542	1931
keir@20542	1932 void disk_info_domid_fixup(libxl_device_disk *disk_info, int domid)
keir@20542	1933 {
keir@20542	1934 disk_info->domid = domid;
keir@20542	1935 }
keir@20542	1936
keir@20542	1937 void vfb_info_domid_fixup(libxl_device_vfb *vfb, int domid)
keir@20542	1938 {
keir@20542	1939 vfb->domid = domid;
keir@20542	1940 }
keir@20542	1941
keir@20542	1942 void vkb_info_domid_fixup(libxl_device_vkb *vkb, int domid)
keir@20542	1943 {
keir@20542	1944 vkb->domid = domid;
keir@20542	1945 }
keir@20542	1946
keir@20542	1947 void console_info_domid_fixup(libxl_device_console *console, int domid)
keir@20542	1948 {
keir@20542	1949 console->domid = domid;
keir@20542	1950 }
keir@20542	1951
keir@20542	1952 void device_model_info_domid_fixup(libxl_device_model_info *dm_info, int domid)
keir@20542	1953 {
keir@20542	1954 dm_info->domid = domid;
keir@20542	1955 }
keir@20542	1956
keir@20542	1957 void init_create_info(libxl_domain_create_info *c_info)
keir@20542	1958 {
keir@20542	1959 memset(c_info, '\0', sizeof(*c_info));
keir@20542	1960 c_info->xsdata = NULL;
keir@20542	1961 c_info->platformdata = NULL;
keir@20542	1962 c_info->hvm = 1;
keir@20542	1963 c_info->ssidref = 0;
keir@20542	1964 }
keir@20542	1965
keir@20542	1966 void init_build_info(libxl_domain_build_info b_info, libxl_domain_create_info c_info)
keir@20542	1967 {
keir@20542	1968 memset(b_info, '\0', sizeof(*b_info));
keir@20542	1969 b_info->timer_mode = -1;
keir@20542	1970 b_info->hpet = 1;
keir@20542	1971 b_info->vpt_align = -1;
keir@20542	1972 b_info->max_vcpus = 1;
keir@20542	1973 b_info->max_memkb = 32 * 1024;
keir@20542	1974 if (c_info->hvm) {
keir@20542	1975 b_info->shadow_memkb = libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
keir@20542	1976 b_info->video_memkb = 8 * 1024;
keir@20542	1977 b_info->kernel = "/usr/lib/xen/boot/hvmloader";
keir@20542	1978 b_info->hvm = 1;
keir@20542	1979 b_info->u.hvm.pae = 1;
keir@20542	1980 b_info->u.hvm.apic = 1;
keir@20542	1981 b_info->u.hvm.acpi = 1;
keir@20542	1982 b_info->u.hvm.nx = 1;
keir@20542	1983 b_info->u.hvm.viridian = 0;
keir@20542	1984 }
keir@20542	1985 }
keir@20542	1986
keir@20542	1987 void init_dm_info(libxl_device_model_info *dm_info,
keir@20542	1988 libxl_domain_create_info c_info, libxl_domain_build_info b_info)
keir@20542	1989 {
keir@20542	1990 memset(dm_info, '\0', sizeof(*dm_info));
keir@20542	1991
keir@20542	1992 dm_info->dom_name = c_info->name;
keir@20542	1993 dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20542	1994 dm_info->videoram = b_info->video_memkb / 1024;
keir@20542	1995 dm_info->apic = b_info->u.hvm.apic;
keir@20542	1996
keir@20542	1997 dm_info->stdvga = 0;
keir@20542	1998 dm_info->vnc = 1;
keir@20542	1999 dm_info->vnclisten = "127.0.0.1";
keir@20542	2000 dm_info->vncdisplay = 0;
keir@20542	2001 dm_info->vncunused = 0;
keir@20542	2002 dm_info->keymap = NULL;
keir@20542	2003 dm_info->sdl = 0;
keir@20542	2004 dm_info->opengl = 0;
keir@20542	2005 dm_info->nographic = 0;
keir@20542	2006 dm_info->serial = NULL;
keir@20542	2007 dm_info->boot = "cda";
keir@20542	2008 dm_info->usb = 0;
keir@20542	2009 dm_info->usbdevice = NULL;
keir@20542	2010 }
keir@20542	2011
keir@20542	2012 void init_nic_info(libxl_device_nic *nic_info, int devnum)
keir@20542	2013 {
keir@20542	2014 memset(nic_info, '\0', sizeof(*nic_info));
keir@20542	2015
keir@20542	2016
keir@20542	2017 nic_info->backend_domid = 0;
keir@20542	2018 nic_info->domid = 0;
keir@20542	2019 nic_info->devid = devnum;
keir@20542	2020 nic_info->mtu = 1492;
keir@20542	2021 nic_info->model = "e1000";
keir@20542	2022 srand(time(0));
keir@20542	2023 nic_info->mac[0] = 0x00;
keir@20542	2024 nic_info->mac[1] = 0x16;
keir@20542	2025 nic_info->mac[2] = 0x3e;
keir@20542	2026 nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
keir@20542	2027 nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	2028 nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	2029 asprintf(&(nic_info->smac), "%02x:%02x:%02x:%02x:%02x:%02x", nic_info->mac[0], nic_info->mac[1], nic_info->mac[2], nic_info->mac[3], nic_info->mac[4], nic_info->mac[5]);
keir@20542	2030 nic_info->ifname = NULL;
keir@20542	2031 nic_info->bridge = "xenbr0";
keir@20542	2032 nic_info->script = "/etc/xen/scripts/vif-bridge";
keir@20542	2033 nic_info->nictype = NICTYPE_IOEMU;
keir@20542	2034 }
keir@20542	2035
keir@20542	2036 void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
keir@20542	2037 {
keir@20542	2038 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	2039 vfb->devid = dev_num;
keir@20542	2040 vfb->vnc = 1;
keir@20542	2041 vfb->vnclisten = "127.0.0.1";
keir@20542	2042 vfb->vncdisplay = 0;
keir@20542	2043 vfb->vncunused = 1;
keir@20542	2044 vfb->keymap = NULL;
keir@20542	2045 vfb->sdl = 0;
keir@20542	2046 vfb->opengl = 0;
keir@20542	2047 }
keir@20542	2048
keir@20542	2049 void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
keir@20542	2050 {
keir@20542	2051 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	2052 vkb->devid = dev_num;
keir@20542	2053 }
keir@20542	2054
keir@20542	2055 void init_console_info(libxl_device_console console, int dev_num, libxl_domain_build_state state)
keir@20542	2056 {
keir@20542	2057 memset(console, 0x00, sizeof(libxl_device_console));
keir@20542	2058 console->devid = dev_num;
keir@20542	2059 console->constype = CONSTYPE_XENCONSOLED;
keir@20542	2060 if (state)
keir@20542	2061 console->build_state = state;
keir@20542	2062 }
keir@20542	2063
keir@20542	2064