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

debuggers.hg

annotate tools/libxl/libxl.c @ 20627:cabc1f9341e4

libxenlight: avoid writing empty values to xenstore

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

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

author	Keir Fraser <keir.fraser@citrix.com>
date	Fri Dec 04 07:09:44 2009 +0000 (2009-12-04)
parents	6b6b4a2cc98e
children	27e02e517be5

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@20583	85 char *rw_paths[] = { "device", "device/suspend/event-channel" };
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@20580	104 /*
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@20580	121 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580	122 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468	123
keir@20468	124 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	125 if (ret < 0) {
keir@20512	126 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	127 return ERROR_FAIL;
keir@20462	128 }
keir@20462	129
keir@20462	130 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	131 if (!dom_path)
keir@20512	132 return ERROR_FAIL;
keir@20512	133
keir@20462	134 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462	135 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512	136 if (!vm_path \|\| !vss_path) {
keir@20462	137 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	138 return ERROR_FAIL;
keir@20462	139 }
keir@20462	140
keir@20462	141 roperm[0].id = 0;
keir@20462	142 roperm[0].perms = XS_PERM_NONE;
keir@20462	143 roperm[1].id = *domid;
keir@20462	144 roperm[1].perms = XS_PERM_READ;
keir@20462	145 rwperm[0].id = *domid;
keir@20462	146 rwperm[0].perms = XS_PERM_NONE;
keir@20462	147
keir@20462	148 retry_transaction:
keir@20462	149 t = xs_transaction_start(ctx->xsh);
keir@20462	150 xs_rm(ctx->xsh, t, dom_path);
keir@20462	151 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	152 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	153
keir@20462	154 xs_rm(ctx->xsh, t, vm_path);
keir@20462	155 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	156 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	157
keir@20462	158 xs_rm(ctx->xsh, t, vss_path);
keir@20462	159 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462	160 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	161
keir@20462	162 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462	163 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462	164 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462	165
keir@20462	166 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	167 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	168 xs_mkdir(ctx->xsh, t, path);
keir@20462	169 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	170 libxl_free(ctx, path);
keir@20462	171 }
keir@20462	172 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	173 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	174 xs_mkdir(ctx->xsh, t, path);
keir@20462	175 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	176 libxl_free(ctx, path);
keir@20462	177 }
keir@20462	178
keir@20462	179 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	180 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462	181
keir@20462	182 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	183 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	184
keir@20462	185 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	186
keir@20462	187 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	188 if (errno == EAGAIN)
keir@20462	189 goto retry_transaction;
keir@20462	190 return 0;
keir@20462	191 }
keir@20462	192
keir@20516	193 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	194 {
keir@20462	195 char vments = NULL, localents = NULL;
keir@20578	196 int i;
keir@20462	197
keir@20509	198 build_pre(ctx, domid, info, state);
keir@20462	199 if (info->hvm) {
keir@20509	200 build_hvm(ctx, domid, info, state);
keir@20509	201 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	202 vments[0] = "rtc/timeoffset";
keir@20516	203 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	204 vments[2] = "image/ostype";
keir@20516	205 vments[3] = "hvm";
keir@20462	206 } else {
keir@20509	207 build_pv(ctx, domid, info, state);
keir@20509	208 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578	209 i = 0;
keir@20578	210 vments[i++] = "image/ostype";
keir@20578	211 vments[i++] = "linux";
keir@20578	212 vments[i++] = "image/kernel";
keir@20578	213 vments[i++] = (char*) info->kernel;
keir@20578	214 if (info->u.pv.ramdisk) {
keir@20578	215 vments[i++] = "image/ramdisk";
keir@20578	216 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578	217 }
keir@20578	218 if (info->u.pv.cmdline) {
keir@20578	219 vments[i++] = "image/cmdline";
keir@20578	220 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578	221 }
keir@20462	222 }
keir@20509	223 build_post(ctx, domid, info, state, vments, localents);
keir@20516	224 return 0;
keir@20462	225 }
keir@20462	226
keir@20462	227 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	228 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	229 libxl_device_model_info *dm_info)
keir@20462	230 {
keir@20462	231 char vments = NULL, localents = NULL;
keir@20627	232 int i;
keir@20462	233
keir@20565	234 build_pre(ctx, domid, info, state);
keir@20565	235 restore_common(ctx, domid, info, state, fd);
keir@20462	236 if (info->hvm) {
keir@20565	237 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	238 vments[0] = "rtc/timeoffset";
keir@20516	239 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	240 vments[2] = "image/ostype";
keir@20565	241 vments[3] = "hvm";
keir@20462	242 } else {
keir@20565	243 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627	244 i = 0;
keir@20627	245 vments[i++] = "image/ostype";
keir@20627	246 vments[i++] = "linux";
keir@20627	247 vments[i++] = "image/kernel";
keir@20627	248 vments[i++] = (char*) info->kernel;
keir@20627	249 if (info->u.pv.ramdisk) {
keir@20627	250 vments[i++] = "image/ramdisk";
keir@20627	251 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627	252 }
keir@20627	253 if (info->u.pv.cmdline) {
keir@20627	254 vments[i++] = "image/cmdline";
keir@20627	255 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627	256 }
keir@20462	257 }
keir@20565	258 build_post(ctx, domid, info, state, vments, localents);
keir@20565	259 if (info->hvm)
keir@20565	260 asprintf(&(dm_info->saved_state), "/var/lib/xen/qemu-save.%d", domid);
keir@20565	261 else
keir@20565	262 dm_info->saved_state = NULL;
keir@20565	263
keir@20462	264 return 0;
keir@20462	265 }
keir@20462	266
keir@20462	267 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx ctx, int nb_domain)
keir@20462	268 {
keir@20462	269 struct libxl_dominfo *ptr;
keir@20462	270 int index, i, ret, first_domain;
keir@20462	271 xc_domaininfo_t info[16];
keir@20462	272 int size = 16;
keir@20462	273
keir@20462	274 first_domain = 1;
keir@20462	275 index = 0;
keir@20516	276 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462	277 if (!ptr)
keir@20462	278 return NULL;
keir@20462	279 redo:
keir@20462	280 ret = xc_domain_getinfolist(ctx->xch, first_domain, 16, info);
keir@20462	281 for (i = 0; i < ret; i++) {
keir@20462	282 if (index == size) {
keir@20462	283 struct libxl_dominfo *ptr2;
keir@20462	284
keir@20516	285 ptr2 = calloc(size * 2, sizeof(struct libxl_dominfo));
keir@20462	286 if (!ptr2) {
keir@20516	287 free(ptr);
keir@20462	288 return NULL;
keir@20462	289 }
keir@20462	290 memcpy(ptr2, ptr, sizeof(struct libxl_dominfo) * size);
keir@20516	291 free(ptr);
keir@20462	292 ptr = ptr2;
keir@20462	293 size *= 2;
keir@20462	294 }
keir@20579	295 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20462	296 ptr[index].domid = info[i].domain;
keir@20462	297 first_domain = info[i].domain + 1;
keir@20462	298 index++;
keir@20462	299 }
keir@20462	300 if (ret == 16)
keir@20462	301 goto redo;
keir@20462	302 *nb_domain = index;
keir@20462	303 return ptr;
keir@20462	304 }
keir@20462	305
keir@20462	306 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx ctx, int nb_domain)
keir@20462	307 {
keir@20462	308 int index, first_domain;
keir@20462	309 xc_dominfo_t *info;
keir@20462	310 int size = 1024;
keir@20462	311
keir@20462	312 first_domain = 0;
keir@20462	313 index = 0;
keir@20516	314 info = (xc_dominfo_t *) calloc(size, sizeof(xc_dominfo_t));
keir@20462	315 if (!info) {
keir@20462	316 *nb_domain = 0;
keir@20462	317 return NULL;
keir@20462	318 }
keir@20462	319 *nb_domain = xc_domain_getinfo(ctx->xch, first_domain, 1024, info);
keir@20462	320 return info;
keir@20462	321 }
keir@20462	322
keir@20565	323 static int libxl_save_device_model(struct libxl_ctx *ctx, uint32_t domid, int fd)
keir@20565	324 {
keir@20565	325 int fd2, c;
keir@20565	326 char buf[1024];
keir@20565	327 char *filename = libxl_sprintf(ctx, "/var/lib/xen/qemu-save.%d", domid);
keir@20565	328
keir@20565	329 XL_LOG(ctx, XL_LOG_DEBUG, "Saving device model state to %s", filename);
keir@20565	330 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "save", strlen("save"));
keir@20565	331 libxl_wait_for_device_model(ctx, domid, "paused", NULL, NULL);
keir@20565	332
keir@20565	333 write(fd, QEMU_SIGNATURE, strlen(QEMU_SIGNATURE));
keir@20565	334 fd2 = open(filename, O_RDONLY);
keir@20565	335 while ((c = read(fd2, buf, sizeof(buf))) != 0) {
keir@20565	336 write(fd, buf, c);
keir@20565	337 }
keir@20565	338 close(fd2);
keir@20565	339 unlink(filename);
keir@20565	340 return 0;
keir@20565	341 }
keir@20565	342
keir@20462	343 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	344 uint32_t domid, int fd)
keir@20462	345 {
keir@20565	346 int hvm = is_hvm(ctx, domid);
keir@20565	347 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565	348 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462	349
keir@20462	350
keir@20462	351 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565	352 if (hvm)
keir@20565	353 libxl_save_device_model(ctx, domid, fd);
keir@20462	354
keir@20462	355 return 0;
keir@20462	356 }
keir@20462	357
keir@20462	358 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	359 {
keir@20462	360 xc_domain_pause(ctx->xch, domid);
keir@20462	361 return 0;
keir@20462	362 }
keir@20462	363
keir@20462	364 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	365 {
keir@20565	366 char path[50];
keir@20565	367 char *state;
keir@20565	368
keir@20565	369 if (is_hvm(ctx, domid)) {
keir@20565	370 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20565	371 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565	372 if (state != NULL && !strcmp(state, "paused")) {
keir@20565	373 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565	374 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	375 }
keir@20565	376 }
keir@20462	377 xc_domain_unpause(ctx->xch, domid);
keir@20565	378
keir@20462	379 return 0;
keir@20462	380 }
keir@20462	381
keir@20462	382 static char *req_table[] = {
keir@20462	383 [0] = "poweroff",
keir@20462	384 [1] = "reboot",
keir@20462	385 [2] = "suspend",
keir@20462	386 [3] = "crash",
keir@20462	387 [4] = "halt",
keir@20462	388 };
keir@20462	389
keir@20462	390 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	391 {
keir@20462	392 char *shutdown_path;
keir@20462	393 char *dom_path;
keir@20462	394
keir@20462	395 if (req > ARRAY_SIZE(req_table))
keir@20462	396 return ERROR_INVAL;
keir@20462	397
keir@20462	398 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	399 if (!dom_path)
keir@20512	400 return ERROR_FAIL;
keir@20512	401
keir@20462	402 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	403
keir@20462	404 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462	405 if (/* hvm */ 0) {
keir@20462	406 unsigned long acpi_s_state = 0;
keir@20462	407 unsigned long pvdriver = 0;
keir@20462	408 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462	409 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462	410 if (!pvdriver && acpi_s_state != 0)
keir@20462	411 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462	412 }
keir@20462	413 return 0;
keir@20462	414 }
keir@20462	415
keir@20545	416 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, int fd)
keir@20545	417 {
keir@20545	418 if (!xs_watch(ctx->xsh, "@releaseDomain", "domain_death"))
keir@20545	419 return -1;
keir@20545	420 *fd = xs_fileno(ctx->xsh);
keir@20545	421 return 0;
keir@20545	422 }
keir@20545	423
keir@20545	424 int libxl_is_domain_dead(struct libxl_ctx ctx, uint32_t domid, xc_dominfo_t info)
keir@20545	425 {
keir@20545	426 unsigned int num;
keir@20545	427 int nb_domain, i, rc = 0;
keir@20545	428 char **vec = NULL;
keir@20545	429 xc_dominfo_t *list = NULL;
keir@20545	430
keir@20545	431 vec = xs_read_watch(ctx->xsh, &num);
keir@20545	432 if (!vec)
keir@20545	433 return 0;
keir@20545	434 if (!strcmp(vec[XS_WATCH_TOKEN], "domain_death")) {
keir@20545	435 list = libxl_domain_infolist(ctx, &nb_domain);
keir@20545	436 for (i = 0; i < nb_domain; i++) {
keir@20545	437 if (domid == list[i].domid) {
keir@20545	438 if (list[i].running \|\| (!list[i].shutdown && !list[i].crashed && !list[i].dying))
keir@20545	439 goto out;
keir@20545	440 *info = list[i];
keir@20545	441 rc = 1;
keir@20545	442 goto out;
keir@20545	443 }
keir@20545	444 }
keir@20545	445 memset(info, 0x00, sizeof(xc_dominfo_t));
keir@20545	446 rc = 1;
keir@20545	447 goto out;
keir@20545	448 }
keir@20545	449
keir@20545	450 out:
keir@20545	451 free(list);
keir@20545	452 free(vec);
keir@20545	453 return rc;
keir@20545	454 }
keir@20545	455
keir@20462	456 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	457 {
keir@20462	458 char *pid;
keir@20462	459 int ret;
keir@20462	460
keir@20462	461 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	462 if (!pid) {
keir@20542	463 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	464 if (!stubdomid) {
keir@20542	465 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542	466 return -1;
keir@20542	467 }
keir@20542	468 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	469 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	470 }
keir@20462	471 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	472
keir@20462	473 ret = kill(atoi(pid), SIGHUP);
keir@20462	474 if (ret < 0 && errno == ESRCH) {
keir@20512	475 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	476 ret = 0;
keir@20462	477 } else if (ret == 0) {
keir@20512	478 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	479 ret = 0;
keir@20462	480 } else {
keir@20512	481 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	482 atoi(pid));
keir@20462	483 }
keir@20462	484 return ret;
keir@20462	485 }
keir@20462	486
keir@20462	487 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	488 {
keir@20581	489 char dom_path, uuid_str;
keir@20581	490 char vm_path[UUID_LEN_STR + 5], vss_path[UUID_LEN_STR + 6], xapi_path[20];
keir@20468	491 xen_uuid_t *uuid;
keir@20512	492 int rc;
keir@20462	493
keir@20462	494 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	495 if (!dom_path)
keir@20462	496 return -1;
keir@20512	497
keir@20462	498 if (libxl_domid_to_uuid(ctx, &uuid, domid) < 0) {
keir@20512	499 XL_LOG(ctx, XL_LOG_ERROR, "failed ot get uuid for %d", domid);
keir@20462	500 return -1;
keir@20462	501 }
keir@20482	502 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	503 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20462	504 xs_write(ctx->xsh, XBT_NULL,
keir@20462	505 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20462	506 "shutdown", strlen("shutdown"));
keir@20512	507 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	508 if (rc < 0) {
keir@20512	509 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	510 return -1;
keir@20462	511 }
keir@20542	512 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20542	513 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20462	514 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	515 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462	516 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512	517 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20581	518 uuid_str = libxl_uuid_to_string(ctx, uuid);
keir@20581	519 snprintf(vm_path, sizeof(vm_path), "/vm/%s", uuid_str);
keir@20462	520 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20512	521 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20581	522 snprintf(vss_path, sizeof(vss_path), "/vss/%s", uuid_str);
keir@20581	523 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20581	524 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20581	525 libxl_free(ctx, uuid_str);
keir@20581	526 snprintf(xapi_path, sizeof(xapi_path), "/xapi/%u", domid);
keir@20581	527 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20581	528 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20545	529 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	530 if (rc < 0) {
keir@20545	531 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545	532 return -1;
keir@20545	533 }
keir@20462	534 return 0;
keir@20462	535 }
keir@20462	536
keir@20564	537 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	538 {
keir@20564	539 struct stat st;
keir@20564	540 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564	541 char *cmd;
keir@20564	542
keir@20564	543 if (stat(XENCONSOLE, &st) != 0) {
keir@20564	544 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564	545 return ERROR_FAIL;
keir@20564	546 }
keir@20564	547
keir@20564	548 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564	549 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564	550 }
keir@20564	551
keir@20462	552 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	553 libxl_device_model_info *info,
keir@20462	554 libxl_device_nic *vifs,
keir@20462	555 int num_vifs)
keir@20462	556 {
keir@20462	557 int num = 0, i;
keir@20462	558 flexarray_t *dm_args;
keir@20462	559 dm_args = flexarray_make(16, 1);
keir@20462	560 if (!dm_args)
keir@20462	561 return NULL;
keir@20462	562
keir@20516	563 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	564 flexarray_set(dm_args, num++, "-d");
keir@20462	565
keir@20462	566 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	567
keir@20462	568 if (info->dom_name) {
keir@20516	569 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	570 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	571 }
keir@20462	572 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	573 flexarray_set(dm_args, num++, "-vnc");
keir@20462	574 if (info->vncdisplay) {
keir@20462	575 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462	576 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462	577 } else {
keir@20462	578 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	579 }
keir@20462	580 } else if (info->vnclisten) {
keir@20462	581 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	582 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	583 } else {
keir@20462	584 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	585 }
keir@20462	586 } else {
keir@20516	587 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	588 }
keir@20462	589 if (info->vncunused) {
keir@20516	590 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	591 }
keir@20462	592 }
keir@20462	593 if (info->sdl \|\| info->opengl) {
keir@20516	594 flexarray_set(dm_args, num++, "-sdl");
keir@20462	595 if (info->opengl) {
keir@20516	596 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	597 }
keir@20462	598 }
keir@20462	599 if (info->keymap) {
keir@20516	600 flexarray_set(dm_args, num++, "-k");
keir@20516	601 flexarray_set(dm_args, num++, info->keymap);
keir@20462	602 }
keir@20462	603 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	604 flexarray_set(dm_args, num++, "-nographic");
keir@20462	605 }
keir@20462	606 if (info->serial) {
keir@20516	607 flexarray_set(dm_args, num++, "-serial");
keir@20516	608 flexarray_set(dm_args, num++, info->serial);
keir@20462	609 }
keir@20509	610 if (info->type == XENFV) {
keir@20509	611 if (info->videoram) {
keir@20516	612 flexarray_set(dm_args, num++, "-videoram");
keir@20509	613 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	614 }
keir@20509	615 if (info->stdvga) {
keir@20516	616 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	617 }
keir@20509	618
keir@20509	619 if (info->boot) {
keir@20516	620 flexarray_set(dm_args, num++, "-boot");
keir@20516	621 flexarray_set(dm_args, num++, info->boot);
keir@20509	622 }
keir@20509	623 if (info->usb) {
keir@20516	624 flexarray_set(dm_args, num++, "-usb");
keir@20509	625 if (info->usbdevice) {
keir@20516	626 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	627 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	628 }
keir@20509	629 }
keir@20509	630 if (info->apic) {
keir@20516	631 flexarray_set(dm_args, num++, "-acpi");
keir@20509	632 }
keir@20509	633 for (i = 0; i < num_vifs; i++) {
keir@20509	634 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20516	635 flexarray_set(dm_args, num++, "-net");
keir@20509	636 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20509	637 vifs[i].devid, vifs[i].smac, vifs[i].model));
keir@20516	638 flexarray_set(dm_args, num++, "-net");
keir@20509	639 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	640 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509	641 }
keir@20462	642 }
keir@20462	643 }
keir@20565	644 if (info->saved_state) {
keir@20565	645 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	646 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	647 }
keir@20509	648 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	649 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	650 flexarray_set(dm_args, num++, "-M");
keir@20509	651 if (info->type == XENPV)
keir@20516	652 flexarray_set(dm_args, num++, "xenpv");
keir@20509	653 else
keir@20516	654 flexarray_set(dm_args, num++, "xenfv");
keir@20462	655 flexarray_set(dm_args, num++, NULL);
keir@20462	656
keir@20462	657 return (char **) flexarray_contents(dm_args);
keir@20462	658 }
keir@20462	659
keir@20514	660 void dm_xenstore_record_pid(struct libxl_ctx ctx, void for_spawn,
keir@20514	661 pid_t innerchild) {
keir@20514	662 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	663 struct libxl_ctx clone;
keir@20514	664 char *kvs[3];
keir@20624	665 int rc, cloned;
keir@20514	666
keir@20624	667 if (libxl_clone_context_xs(ctx, &clone)) {
keir@20624	668 XL_LOG(ctx, XL_LOG_ERROR, "Out of memory when cloning context");
keir@20624	669 /* Throw a prayer fallback */
keir@20624	670 clone = *ctx;
keir@20624	671 clone.xsh = xs_daemon_open();
keir@20624	672 cloned = 0;
keir@20624	673 } else {
keir@20624	674 cloned = 1;
keir@20624	675 }
keir@20514	676 /* we mustn't use the parent's handle in the child */
keir@20514	677
keir@20514	678 kvs[0] = "image/device-model-pid";
keir@20610	679 kvs[1] = libxl_sprintf(&clone, "%d", innerchild);
keir@20514	680 kvs[2] = NULL;
keir@20610	681 rc = libxl_xs_writev(&clone, XBT_NULL, starting->dom_path, kvs);
keir@20610	682 if (rc) XL_LOG_ERRNO(&clone, XL_LOG_ERROR,
keir@20514	683 "Couldn't record device model pid %ld at %s/%s",
keir@20514	684 (unsigned long)innerchild, starting->dom_path, kvs);
keir@20624	685 if (cloned) {
keir@20624	686 libxl_discard_cloned_context_xs(&clone);
keir@20624	687 } else {
keir@20624	688 xs_daemon_close(clone.xsh);
keir@20624	689 }
keir@20514	690 }
keir@20514	691
keir@20542	692 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	693 libxl_device_model_info *info,
keir@20542	694 libxl_device_vfb *vfb,
keir@20542	695 libxl_device_vkb *vkb)
keir@20542	696 {
keir@20542	697 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	698 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	699
keir@20542	700 vfb->backend_domid = 0;
keir@20542	701 vfb->devid = 0;
keir@20542	702 vfb->vnc = info->vnc;
keir@20542	703 vfb->vnclisten = info->vnclisten;
keir@20542	704 vfb->vncdisplay = info->vncdisplay;
keir@20542	705 vfb->vncunused = info->vncunused;
keir@20542	706 vfb->keymap = info->keymap;
keir@20542	707 vfb->sdl = info->sdl;
keir@20542	708 vfb->opengl = info->opengl;
keir@20542	709
keir@20542	710 vkb->backend_domid = 0;
keir@20542	711 vkb->devid = 0;
keir@20542	712 return 0;
keir@20542	713 }
keir@20542	714
keir@20542	715 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	716 {
keir@20542	717 int i;
keir@20542	718 char *vm_path;
keir@20542	719 char dmargs, path;
keir@20542	720 int dmargs_size;
keir@20542	721 struct xs_permissions roperm[2];
keir@20542	722 xs_transaction_t t;
keir@20542	723
keir@20542	724 roperm[0].id = 0;
keir@20542	725 roperm[0].perms = XS_PERM_NONE;
keir@20542	726 roperm[1].id = domid;
keir@20542	727 roperm[1].perms = XS_PERM_READ;
keir@20542	728
keir@20542	729 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	730
keir@20542	731 i = 0;
keir@20542	732 dmargs_size = 0;
keir@20542	733 while (args[i] != NULL) {
keir@20542	734 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	735 i++;
keir@20542	736 }
keir@20542	737 dmargs_size++;
keir@20542	738 dmargs = (char *) malloc(dmargs_size);
keir@20542	739 i = 1;
keir@20542	740 dmargs[0] = '\0';
keir@20542	741 while (args[i] != NULL) {
keir@20542	742 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	743 strcat(dmargs, " ");
keir@20542	744 strcat(dmargs, args[i]);
keir@20542	745 }
keir@20542	746 i++;
keir@20542	747 }
keir@20542	748 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	749
keir@20542	750 retry_transaction:
keir@20542	751 t = xs_transaction_start(ctx->xsh);
keir@20542	752 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	753 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	754 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	755 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	756 if (errno == EAGAIN)
keir@20542	757 goto retry_transaction;
keir@20542	758 free(dmargs);
keir@20542	759 return 0;
keir@20542	760 }
keir@20542	761
keir@20542	762 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	763 libxl_device_model_info *info,
keir@20542	764 libxl_device_disk *disks, int num_disks,
keir@20542	765 libxl_device_nic *vifs, int num_vifs,
keir@20542	766 libxl_device_vfb *vfb,
keir@20542	767 libxl_device_vkb *vkb,
keir@20542	768 libxl_device_model_starting **starting_r)
keir@20542	769 {
keir@20570	770 int i, num_console = 1;
keir@20570	771 libxl_device_console *console;
keir@20542	772 libxl_domain_create_info c_info;
keir@20542	773 libxl_domain_build_info b_info;
keir@20542	774 libxl_domain_build_state state;
keir@20542	775 uint32_t domid;
keir@20542	776 char **args;
keir@20542	777 xen_uuid_t uuid[16];
keir@20542	778 struct xs_permissions perm[2];
keir@20542	779 xs_transaction_t t;
keir@20594	780 libxl_device_model_starting *dm_starting = 0;
keir@20542	781
keir@20542	782 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	783 if (!args)
keir@20542	784 return ERROR_FAIL;
keir@20542	785
keir@20542	786 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	787 c_info.hvm = 0;
keir@20542	788 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20542	789 xen_uuid_generate(uuid);
keir@20542	790 c_info.uuid = uuid;
keir@20542	791
keir@20542	792 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	793 b_info.max_vcpus = 1;
keir@20542	794 b_info.max_memkb = 32 * 1024;
keir@20542	795 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542	796 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542	797 b_info.u.pv.ramdisk = "";
keir@20542	798 b_info.u.pv.features = "";
keir@20542	799 b_info.hvm = 0;
keir@20542	800
keir@20542	801 libxl_domain_make(ctx, &c_info, &domid);
keir@20542	802 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542	803
keir@20542	804 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542	805 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	806 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542	807 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542	808 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	809
keir@20542	810 perm[0].id = domid;
keir@20542	811 perm[0].perms = XS_PERM_NONE;
keir@20542	812 perm[1].id = info->domid;
keir@20542	813 perm[1].perms = XS_PERM_READ;
keir@20542	814 retry_transaction:
keir@20542	815 t = xs_transaction_start(ctx->xsh);
keir@20542	816 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	817 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20542	818 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	819 if (errno == EAGAIN)
keir@20542	820 goto retry_transaction;
keir@20542	821
keir@20542	822 for (i = 0; i < num_disks; i++) {
keir@20542	823 libxl_device_disk disk = disks[i];
keir@20542	824 disk_info_domid_fixup(&disk, domid);
keir@20542	825 libxl_device_disk_add(ctx, domid, &disk);
keir@20542	826 }
keir@20542	827 for (i = 0; i < num_vifs; i++) {
keir@20542	828 libxl_device_nic nic = vifs[i];
keir@20542	829 nic_info_domid_fixup(&nic, domid);
keir@20542	830 libxl_device_nic_add(ctx, domid, &nic);
keir@20542	831 }
keir@20542	832 vfb_info_domid_fixup(vfb, domid);
keir@20542	833 libxl_device_vfb_add(ctx, domid, vfb);
keir@20542	834 vkb_info_domid_fixup(vkb, domid);
keir@20542	835 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542	836
keir@20570	837 if (info->serial)
keir@20570	838 num_console++;
keir@20570	839 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20570	840 for (i = 0; i < num_console; i++) {
keir@20570	841 if (!i)
keir@20570	842 init_console_info(&console[i], i, &state);
keir@20570	843 else
keir@20570	844 init_console_info(&console[i], i, NULL);
keir@20570	845 console_info_domid_fixup(&console[i], domid);
keir@20570	846 console[i].constype = CONSTYPE_IOEMU;
keir@20570	847 libxl_device_console_add(ctx, domid, &console[i]);
keir@20570	848 }
keir@20594	849 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594	850 free(args);
keir@20594	851 return -1;
keir@20594	852 }
keir@20594	853 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594	854 free(args);
keir@20594	855 return -1;
keir@20594	856 }
keir@20542	857
keir@20542	858 libxl_domain_unpause(ctx, domid);
keir@20542	859
keir@20594	860 if (starting_r) {
keir@20594	861 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598	862 (*starting_r)->domid = info->domid;
keir@20594	863 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	864 (*starting_r)->for_spawn = NULL;
keir@20594	865 }
keir@20594	866
keir@20542	867 free(args);
keir@20542	868 return 0;
keir@20542	869 }
keir@20542	870
keir@20462	871 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	872 libxl_device_model_info *info,
keir@20542	873 libxl_device_disk *disks, int num_disks,
keir@20514	874 libxl_device_nic *vifs, int num_vifs,
keir@20514	875 libxl_device_model_starting **starting_r)
keir@20462	876 {
keir@20546	877 char path, logfile;
keir@20514	878 int logfile_w, null;
keir@20546	879 int rc;
keir@20462	880 char **args;
keir@20594	881 struct libxl_device_model_starting buf_starting, *p;
keir@20514	882
keir@20542	883 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	884 libxl_device_vfb vfb;
keir@20542	885 libxl_device_vkb vkb;
keir@20542	886
keir@20542	887 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	888 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	889 }
keir@20542	890
keir@20462	891 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	892 if (!args)
keir@20462	893 return ERROR_FAIL;
keir@20462	894
keir@20462	895 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	896 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462	897
keir@20546	898 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	899 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	900 free(logfile);
keir@20462	901 null = open("/dev/null", O_RDONLY);
keir@20514	902
keir@20514	903 if (starting_r) {
keir@20516	904 rc = ERROR_NOMEM;
keir@20594	905 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516	906 if (!*starting_r) goto xit;
keir@20594	907 p = *starting_r;
keir@20611	908 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594	909 } else {
keir@20594	910 p = &buf_starting;
keir@20594	911 p->for_spawn = NULL;
keir@20594	912 }
keir@20514	913
keir@20594	914 p->domid = info->domid;
keir@20594	915 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	916 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594	917
keir@20594	918 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514	919 if (rc < 0) goto xit;
keir@20514	920 if (!rc) { /* inner child */
keir@20514	921 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514	922 info->device_model, args);
keir@20514	923 }
keir@20514	924
keir@20514	925 rc = 0;
keir@20514	926 xit:
keir@20516	927 free(args);
keir@20462	928 close(null);
keir@20462	929 close(logfile_w);
keir@20462	930
keir@20514	931 return rc;
keir@20514	932 }
keir@20514	933
keir@20514	934 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20514	935 libxl_device_model_starting *starting) {
keir@20514	936 int rc;
keir@20594	937 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594	938 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514	939 libxl_free(ctx, starting);
keir@20514	940 return rc;
keir@20514	941 }
keir@20462	942
keir@20514	943
keir@20514	944 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20514	945 libxl_device_model_starting *starting) {
keir@20514	946 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	947 libxl_spawn_check,
keir@20594	948 starting->for_spawn);
keir@20514	949 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	950 return problem ? problem : detach;
keir@20542	951 return 0;
keir@20462	952 }
keir@20462	953
keir@20514	954
keir@20462	955 /******************************************************************************/
keir@20566	956
keir@20566	957 static int is_blktap2_supported(void)
keir@20566	958 {
keir@20566	959 char buf[1024];
keir@20566	960 FILE *f = fopen("/proc/devices", "r");
keir@20566	961
keir@20566	962
keir@20566	963 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566	964 if (strstr(buf, "blktap2")) {
keir@20566	965 fclose(f);
keir@20566	966 return 1;
keir@20566	967 }
keir@20566	968 }
keir@20566	969 fclose(f);
keir@20566	970 return 0;
keir@20566	971 }
keir@20566	972
keir@20566	973 static char get_blktap2_device(struct libxl_ctx ctx, char name, char type)
keir@20566	974 {
keir@20566	975 char buf[1024];
keir@20566	976 char *p;
keir@20566	977 int devnum;
keir@20566	978 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566	979
keir@20566	980
keir@20566	981 while (!feof(f)) {
keir@20566	982 fscanf(f, "%d %s", &devnum, buf);
keir@20566	983 p = strchr(buf, ':');
keir@20571	984 if (p == NULL)
keir@20571	985 continue;
keir@20566	986 p++;
keir@20566	987 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566	988 fclose(f);
keir@20566	989 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566	990 }
keir@20566	991 }
keir@20566	992 fclose(f);
keir@20566	993 return NULL;
keir@20566	994 }
keir@20566	995
keir@20462	996 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	997 {
keir@20462	998 flexarray_t *front;
keir@20462	999 flexarray_t *back;
keir@20462	1000 char *backend_type;
keir@20462	1001 unsigned int boffset = 0;
keir@20462	1002 unsigned int foffset = 0;
keir@20462	1003 int devid;
keir@20462	1004 libxl_device device;
keir@20566	1005 int major, minor;
keir@20462	1006
keir@20462	1007 front = flexarray_make(16, 1);
keir@20462	1008 if (!front)
keir@20462	1009 return ERROR_NOMEM;
keir@20462	1010 back = flexarray_make(16, 1);
keir@20462	1011 if (!back) /* leaks front if error */
keir@20462	1012 return ERROR_NOMEM;
keir@20462	1013
keir@20462	1014 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	1015 devid = device_disk_dev_number(disk->virtpath);
keir@20462	1016
keir@20462	1017 device.backend_devid = devid;
keir@20462	1018 device.backend_domid = disk->backend_domid;
keir@20462	1019 device.devid = devid;
keir@20462	1020 device.domid = disk->domid;
keir@20462	1021 device.kind = DEVICE_VBD;
keir@20462	1022
keir@20462	1023 switch (disk->phystype) {
keir@20462	1024 case PHYSTYPE_PHY: {
keir@20462	1025
keir@20509	1026 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	1027 flexarray_set(back, boffset++, "physical-device");
keir@20462	1028 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	1029
keir@20516	1030 flexarray_set(back, boffset++, "params");
keir@20516	1031 flexarray_set(back, boffset++, disk->physpath);
keir@20462	1032
keir@20462	1033 device.backend_kind = DEVICE_VBD;
keir@20462	1034 break;
keir@20462	1035 }
keir@20566	1036 case PHYSTYPE_FILE:
keir@20566	1037 /* let's pretend is tap:aio for the moment */
keir@20566	1038 disk->phystype = PHYSTYPE_AIO;
keir@20462	1039 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566	1040 if (is_blktap2_supported()) {
keir@20566	1041 int rc, c, p[2], tot;
keir@20566	1042 char buf[1024], *dev;
keir@20566	1043 if ((dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype))) == NULL) {
keir@20566	1044 if (pipe(p) < 0) {
keir@20566	1045 XL_LOG(ctx, XL_LOG_ERROR, "Failed to create a pipe");
keir@20566	1046 return -1;
keir@20566	1047 }
keir@20566	1048 rc = fork();
keir@20566	1049 if (rc < 0) {
keir@20566	1050 XL_LOG(ctx, XL_LOG_ERROR, "Failed to fork a new process");
keir@20566	1051 return -1;
keir@20566	1052 } else if (!rc) { /* child */
keir@20566	1053 int null_r, null_w;
keir@20566	1054 char *args[4];
keir@20566	1055 args[0] = "tapdisk2";
keir@20566	1056 args[1] = "-n";
keir@20566	1057 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566	1058 args[3] = NULL;
keir@20566	1059
keir@20566	1060 null_r = open("/dev/null", O_RDONLY);
keir@20566	1061 null_w = open("/dev/null", O_WRONLY);
keir@20566	1062 libxl_exec(ctx, null_r, p[1], null_w, "/usr/sbin/tapdisk2", args);
keir@20566	1063 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566	1064 }
keir@20566	1065 close(p[1]);
keir@20566	1066 tot = 0;
keir@20566	1067 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566	1068 tot = tot + c;
keir@20566	1069 close(p[0]);
keir@20566	1070 buf[tot - 1] = '\0';
keir@20566	1071 dev = buf;
keir@20566	1072 }
keir@20566	1073 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566	1074 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1075 flexarray_set(back, boffset++, "params");
keir@20566	1076 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566	1077 backend_type = "phy";
keir@20566	1078 device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1079 flexarray_set(back, boffset++, "physical-device");
keir@20566	1080 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566	1081 device.backend_kind = DEVICE_VBD;
keir@20566	1082
keir@20566	1083 break;
keir@20566	1084 }
keir@20516	1085 flexarray_set(back, boffset++, "params");
keir@20462	1086 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	1087 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1088
keir@20462	1089 device.backend_kind = DEVICE_TAP;
keir@20462	1090 break;
keir@20462	1091 }
keir@20462	1092
keir@20516	1093 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1094 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	1095 flexarray_set(back, boffset++, "online");
keir@20516	1096 flexarray_set(back, boffset++, "1");
keir@20516	1097 flexarray_set(back, boffset++, "removable");
keir@20462	1098 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1099 flexarray_set(back, boffset++, "bootable");
keir@20509	1100 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1101 flexarray_set(back, boffset++, "state");
keir@20462	1102 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1103 flexarray_set(back, boffset++, "dev");
keir@20516	1104 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1105 flexarray_set(back, boffset++, "type");
keir@20516	1106 flexarray_set(back, boffset++, backend_type);
keir@20516	1107 flexarray_set(back, boffset++, "mode");
keir@20516	1108 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1109
keir@20516	1110 flexarray_set(front, foffset++, "backend-id");
keir@20462	1111 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	1112 flexarray_set(front, foffset++, "state");
keir@20462	1113 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1114 flexarray_set(front, foffset++, "virtual-device");
keir@20462	1115 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	1116 flexarray_set(front, foffset++, "device-type");
keir@20516	1117 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1118
keir@20462	1119 if (0 /* protocol != native*/) {
keir@20516	1120 flexarray_set(front, foffset++, "protocol");
keir@20516	1121 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1122 }
keir@20462	1123
keir@20462	1124 libxl_device_generic_add(ctx, &device,
keir@20462	1125 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1126 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1127 flexarray_free(back);
keir@20516	1128 flexarray_free(front);
keir@20462	1129 return 0;
keir@20462	1130 }
keir@20462	1131
keir@20626	1132 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626	1133 libxl_device_disk *disk, int wait)
keir@20462	1134 {
keir@20626	1135 libxl_device device;
keir@20626	1136 int devid;
keir@20462	1137
keir@20626	1138 devid = device_disk_dev_number(disk->virtpath);
keir@20626	1139 device.backend_domid = disk->backend_domid;
keir@20626	1140 device.backend_devid = devid;
keir@20626	1141 device.backend_kind =
keir@20626	1142 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	1143 device.domid = disk->domid;
keir@20626	1144 device.devid = devid;
keir@20626	1145 device.kind = DEVICE_VBD;
keir@20626	1146 return libxl_device_del(ctx, &device, wait);
keir@20462	1147 }
keir@20462	1148
keir@20462	1149 /******************************************************************************/
keir@20462	1150 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1151 {
keir@20462	1152 flexarray_t *front;
keir@20462	1153 flexarray_t *back;
keir@20462	1154 unsigned int boffset = 0;
keir@20462	1155 unsigned int foffset = 0;
keir@20462	1156 libxl_device device;
keir@20462	1157
keir@20462	1158 front = flexarray_make(16, 1);
keir@20462	1159 if (!front)
keir@20462	1160 return ERROR_NOMEM;
keir@20462	1161 back = flexarray_make(16, 1);
keir@20462	1162 if (!back)
keir@20462	1163 return ERROR_NOMEM;
keir@20462	1164
keir@20462	1165 device.backend_devid = nic->devid;
keir@20462	1166 device.backend_domid = nic->backend_domid;
keir@20462	1167 device.backend_kind = DEVICE_VIF;
keir@20462	1168 device.devid = nic->devid;
keir@20462	1169 device.domid = nic->domid;
keir@20462	1170 device.kind = DEVICE_VIF;
keir@20462	1171
keir@20516	1172 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1173 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	1174 flexarray_set(back, boffset++, "online");
keir@20516	1175 flexarray_set(back, boffset++, "1");
keir@20516	1176 flexarray_set(back, boffset++, "state");
keir@20462	1177 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1178 flexarray_set(back, boffset++, "script");
keir@20516	1179 flexarray_set(back, boffset++, nic->script);
keir@20516	1180 flexarray_set(back, boffset++, "mac");
keir@20462	1181 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1182 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1183 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516	1184 flexarray_set(back, boffset++, "handle");
keir@20462	1185 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	1186
keir@20516	1187 flexarray_set(front, foffset++, "backend-id");
keir@20462	1188 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1189 flexarray_set(front, foffset++, "state");
keir@20462	1190 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1191 flexarray_set(front, foffset++, "handle");
keir@20462	1192 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1193 flexarray_set(front, foffset++, "mac");
keir@20462	1194 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1195 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1196 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1197 if (0 /* protocol != native*/) {
keir@20516	1198 flexarray_set(front, foffset++, "protocol");
keir@20516	1199 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1200 }
keir@20462	1201
keir@20462	1202 libxl_device_generic_add(ctx, &device,
keir@20462	1203 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1204 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1205
keir@20462	1206 /* FIXME: wait for plug */
keir@20516	1207 flexarray_free(back);
keir@20516	1208 flexarray_free(front);
keir@20462	1209 return 0;
keir@20462	1210 }
keir@20462	1211
keir@20626	1212 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626	1213 libxl_device_nic *nic, int wait)
keir@20462	1214 {
keir@20626	1215 libxl_device device;
keir@20462	1216
keir@20626	1217 device.backend_devid = nic->devid;
keir@20626	1218 device.backend_domid = nic->backend_domid;
keir@20626	1219 device.backend_kind = DEVICE_VIF;
keir@20626	1220 device.devid = nic->devid;
keir@20626	1221 device.domid = nic->domid;
keir@20626	1222 device.kind = DEVICE_VIF;
keir@20626	1223
keir@20626	1224 return libxl_device_del(ctx, &device, wait);
keir@20462	1225 }
keir@20462	1226
keir@20462	1227 /******************************************************************************/
keir@20509	1228 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1229 {
keir@20509	1230 flexarray_t *front;
keir@20509	1231 flexarray_t *back;
keir@20509	1232 unsigned int boffset = 0;
keir@20509	1233 unsigned int foffset = 0;
keir@20509	1234 libxl_device device;
keir@20509	1235
keir@20509	1236 if (console->build_state) {
keir@20509	1237 xs_transaction_t t;
keir@20509	1238 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1239 ents[0] = "console/port";
keir@20509	1240 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1241 ents[2] = "console/ring-ref";
keir@20509	1242 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1243 ents[4] = "console/limit";
keir@20509	1244 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1245 ents[6] = "console/type";
keir@20509	1246 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1247 ents[7] = "xenconsoled";
keir@20509	1248 else
keir@20509	1249 ents[7] = "ioemu";
keir@20509	1250 retry_transaction:
keir@20509	1251 t = xs_transaction_start(ctx->xsh);
keir@20516	1252 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1253 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1254 if (errno == EAGAIN)
keir@20509	1255 goto retry_transaction;
keir@20509	1256 }
keir@20509	1257
keir@20509	1258 front = flexarray_make(16, 1);
keir@20509	1259 if (!front)
keir@20509	1260 return ERROR_NOMEM;
keir@20509	1261 back = flexarray_make(16, 1);
keir@20509	1262 if (!back)
keir@20509	1263 return ERROR_NOMEM;
keir@20509	1264
keir@20509	1265 device.backend_devid = console->devid;
keir@20509	1266 device.backend_domid = console->backend_domid;
keir@20509	1267 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1268 device.devid = console->devid;
keir@20509	1269 device.domid = console->domid;
keir@20509	1270 device.kind = DEVICE_CONSOLE;
keir@20509	1271
keir@20516	1272 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1273 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1274 flexarray_set(back, boffset++, "online");
keir@20516	1275 flexarray_set(back, boffset++, "1");
keir@20516	1276 flexarray_set(back, boffset++, "state");
keir@20509	1277 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1278 flexarray_set(back, boffset++, "domain");
keir@20516	1279 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1280 flexarray_set(back, boffset++, "protocol");
keir@20516	1281 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1282
keir@20516	1283 flexarray_set(front, foffset++, "backend-id");
keir@20509	1284 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1285 flexarray_set(front, foffset++, "state");
keir@20509	1286 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1287 flexarray_set(front, foffset++, "limit");
keir@20509	1288 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1289 flexarray_set(front, foffset++, "protocol");
keir@20516	1290 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1291 flexarray_set(front, foffset++, "type");
keir@20509	1292 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1293 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1294 else
keir@20516	1295 flexarray_set(front, foffset++, "ioemu");
keir@20509	1296
keir@20509	1297 libxl_device_generic_add(ctx, &device,
keir@20509	1298 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1299 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1300 flexarray_free(back);
keir@20516	1301 flexarray_free(front);
keir@20509	1302
keir@20509	1303 return 0;
keir@20509	1304 }
keir@20509	1305
keir@20509	1306 /******************************************************************************/
keir@20509	1307 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1308 {
keir@20509	1309 flexarray_t *front;
keir@20509	1310 flexarray_t *back;
keir@20509	1311 unsigned int boffset = 0;
keir@20509	1312 unsigned int foffset = 0;
keir@20509	1313 libxl_device device;
keir@20509	1314
keir@20509	1315 front = flexarray_make(16, 1);
keir@20509	1316 if (!front)
keir@20509	1317 return ERROR_NOMEM;
keir@20509	1318 back = flexarray_make(16, 1);
keir@20509	1319 if (!back)
keir@20509	1320 return ERROR_NOMEM;
keir@20509	1321
keir@20509	1322 device.backend_devid = vkb->devid;
keir@20509	1323 device.backend_domid = vkb->backend_domid;
keir@20509	1324 device.backend_kind = DEVICE_VKBD;
keir@20509	1325 device.devid = vkb->devid;
keir@20509	1326 device.domid = vkb->domid;
keir@20509	1327 device.kind = DEVICE_VKBD;
keir@20509	1328
keir@20516	1329 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1330 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1331 flexarray_set(back, boffset++, "online");
keir@20516	1332 flexarray_set(back, boffset++, "1");
keir@20516	1333 flexarray_set(back, boffset++, "state");
keir@20509	1334 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1335 flexarray_set(back, boffset++, "domain");
keir@20516	1336 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	1337
keir@20516	1338 flexarray_set(front, foffset++, "backend-id");
keir@20509	1339 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	1340 flexarray_set(front, foffset++, "state");
keir@20509	1341 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1342
keir@20509	1343 libxl_device_generic_add(ctx, &device,
keir@20509	1344 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1345 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1346 flexarray_free(back);
keir@20516	1347 flexarray_free(front);
keir@20509	1348
keir@20509	1349 return 0;
keir@20462	1350 }
keir@20462	1351
keir@20462	1352 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1353 {
keir@20462	1354 return ERROR_NI;
keir@20462	1355 }
keir@20462	1356
keir@20462	1357 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1358 {
keir@20462	1359 return ERROR_NI;
keir@20462	1360 }
keir@20462	1361
keir@20462	1362 /******************************************************************************/
keir@20509	1363 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	1364 libxl_device_vfb *vfb,
keir@20509	1365 int num_console,
keir@20509	1366 libxl_device_console *console,
keir@20509	1367 libxl_device_model_info *info) {
keir@20509	1368 int i = 0, j = 0, num = 0;
keir@20509	1369 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	1370
keir@20509	1371 info->vnc = vfb->vnc;
keir@20509	1372 if (vfb->vnclisten)
keir@20509	1373 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509	1374 info->vncdisplay = vfb->vncdisplay;
keir@20509	1375 info->vncunused = vfb->vncunused;
keir@20509	1376 if (vfb->keymap)
keir@20509	1377 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509	1378 info->sdl = vfb->sdl;
keir@20509	1379 info->opengl = vfb->opengl;
keir@20509	1380 for (i = 0; i < num_console; i++) {
keir@20509	1381 if (console->constype == CONSTYPE_IOEMU)
keir@20509	1382 num++;
keir@20509	1383 }
keir@20509	1384 if (num > 0) {
keir@20599	1385 uint32_t guest_domid = libxl_is_stubdom(ctx, vfb->domid);
keir@20599	1386 if (guest_domid) {
keir@20599	1387 char *filename;
keir@20599	1388 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599	1389 libxl_create_logfile(ctx, name, &filename);
keir@20599	1390 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599	1391 free(filename);
keir@20599	1392 } else {
keir@20599	1393 info->serial = "pty";
keir@20599	1394 }
keir@20509	1395 num--;
keir@20509	1396 }
keir@20509	1397 if (num > 0) {
keir@20509	1398 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	1399 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	1400 info->extra[j] = "-serial";
keir@20509	1401 info->extra[j + 1] = "pty";
keir@20509	1402 }
keir@20509	1403 info->extra[j] = NULL;
keir@20509	1404 }
keir@20509	1405 info->domid = vfb->domid;
keir@20509	1406 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509	1407 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509	1408 info->type = XENPV;
keir@20509	1409 return 0;
keir@20509	1410 }
keir@20509	1411
keir@20509	1412 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	1413 int num_console, libxl_device_console *console,
keir@20514	1414 struct libxl_device_model_starting **starting_r)
keir@20509	1415 {
keir@20509	1416 libxl_device_model_info info;
keir@20509	1417
keir@20509	1418 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	1419 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	1420 return 0;
keir@20509	1421 }
keir@20509	1422
keir@20509	1423 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1424 {
keir@20509	1425 flexarray_t *front;
keir@20509	1426 flexarray_t *back;
keir@20509	1427 unsigned int boffset = 0;
keir@20509	1428 unsigned int foffset = 0;
keir@20509	1429 libxl_device device;
keir@20509	1430
keir@20509	1431 front = flexarray_make(16, 1);
keir@20509	1432 if (!front)
keir@20509	1433 return ERROR_NOMEM;
keir@20509	1434 back = flexarray_make(16, 1);
keir@20509	1435 if (!back)
keir@20509	1436 return ERROR_NOMEM;
keir@20509	1437
keir@20509	1438 device.backend_devid = vfb->devid;
keir@20509	1439 device.backend_domid = vfb->backend_domid;
keir@20509	1440 device.backend_kind = DEVICE_VFB;
keir@20509	1441 device.devid = vfb->devid;
keir@20509	1442 device.domid = vfb->domid;
keir@20509	1443 device.kind = DEVICE_VFB;
keir@20509	1444
keir@20516	1445 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1446 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	1447 flexarray_set(back, boffset++, "online");
keir@20516	1448 flexarray_set(back, boffset++, "1");
keir@20516	1449 flexarray_set(back, boffset++, "state");
keir@20509	1450 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1451 flexarray_set(back, boffset++, "domain");
keir@20516	1452 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1453 flexarray_set(back, boffset++, "vnc");
keir@20509	1454 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	1455 flexarray_set(back, boffset++, "vnclisten");
keir@20516	1456 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516	1457 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	1458 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	1459 flexarray_set(back, boffset++, "vncunused");
keir@20509	1460 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	1461 flexarray_set(back, boffset++, "sdl");
keir@20509	1462 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	1463 flexarray_set(back, boffset++, "opengl");
keir@20509	1464 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	1465 if (vfb->xauthority) {
keir@20516	1466 flexarray_set(back, boffset++, "xauthority");
keir@20516	1467 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	1468 }
keir@20509	1469 if (vfb->display) {
keir@20516	1470 flexarray_set(back, boffset++, "display");
keir@20516	1471 flexarray_set(back, boffset++, vfb->display);
keir@20509	1472 }
keir@20509	1473
keir@20516	1474 flexarray_set(front, foffset++, "backend-id");
keir@20509	1475 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	1476 flexarray_set(front, foffset++, "state");
keir@20509	1477 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1478
keir@20509	1479 libxl_device_generic_add(ctx, &device,
keir@20509	1480 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1481 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	1482 flexarray_free(front);
keir@20509	1483 flexarray_free(back);
keir@20509	1484
keir@20509	1485 return 0;
keir@20462	1486 }
keir@20462	1487
keir@20462	1488 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1489 {
keir@20462	1490 return ERROR_NI;
keir@20462	1491 }
keir@20462	1492
keir@20462	1493 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1494 {
keir@20462	1495 return ERROR_NI;
keir@20462	1496 }
keir@20462	1497
keir@20462	1498 /******************************************************************************/
keir@20482	1499
keir@20482	1500 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	1501 unsigned int bus, unsigned int dev,
keir@20482	1502 unsigned int func, unsigned int vdevfn)
keir@20482	1503 {
keir@20482	1504 pcidev->domain = domain;
keir@20482	1505 pcidev->bus = bus;
keir@20482	1506 pcidev->dev = dev;
keir@20482	1507 pcidev->func = func;
keir@20482	1508 pcidev->vdevfn = vdevfn;
keir@20482	1509 return 0;
keir@20482	1510 }
keir@20482	1511
keir@20482	1512 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	1513 {
keir@20482	1514 flexarray_t *front;
keir@20482	1515 flexarray_t *back;
keir@20482	1516 unsigned int boffset = 0;
keir@20482	1517 unsigned int foffset = 0;
keir@20482	1518 libxl_device device;
keir@20482	1519 int i;
keir@20482	1520
keir@20482	1521 front = flexarray_make(16, 1);
keir@20482	1522 if (!front)
keir@20482	1523 return ERROR_NOMEM;
keir@20482	1524 back = flexarray_make(16, 1);
keir@20482	1525 if (!back)
keir@20482	1526 return ERROR_NOMEM;
keir@20482	1527
keir@20512	1528 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	1529
keir@20482	1530 /* add pci device */
keir@20482	1531 device.backend_devid = 0;
keir@20482	1532 device.backend_domid = 0;
keir@20482	1533 device.backend_kind = DEVICE_PCI;
keir@20482	1534 device.devid = 0;
keir@20482	1535 device.domid = domid;
keir@20482	1536 device.kind = DEVICE_PCI;
keir@20482	1537
keir@20516	1538 flexarray_set(back, boffset++, "frontend-id");
keir@20482	1539 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	1540 flexarray_set(back, boffset++, "online");
keir@20516	1541 flexarray_set(back, boffset++, "1");
keir@20516	1542 flexarray_set(back, boffset++, "state");
keir@20482	1543 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1544 flexarray_set(back, boffset++, "domain");
keir@20516	1545 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	1546 for (i = 0; i < num; i++) {
keir@20482	1547 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	1548 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1549 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	1550 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1551 if (pcidev->vdevfn) {
keir@20482	1552 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	1553 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1554 }
keir@20482	1555 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	1556 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1557 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	1558 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1559 }
keir@20516	1560 flexarray_set(back, boffset++, "num_devs");
keir@20482	1561 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	1562
keir@20516	1563 flexarray_set(front, foffset++, "backend-id");
keir@20482	1564 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	1565 flexarray_set(front, foffset++, "state");
keir@20482	1566 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1567
keir@20482	1568 libxl_device_generic_add(ctx, &device,
keir@20482	1569 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	1570 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	1571
keir@20482	1572 flexarray_free(back);
keir@20482	1573 flexarray_free(front);
keir@20482	1574 return 0;
keir@20482	1575 }
keir@20482	1576
keir@20482	1577 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1578 {
keir@20482	1579 flexarray_t *back;
keir@20482	1580 char num_devs, be_path;
keir@20482	1581 int num = 0;
keir@20482	1582 unsigned int boffset = 0;
keir@20482	1583 xs_transaction_t t;
keir@20482	1584
keir@20516	1585 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1586 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1587 if (!num_devs)
keir@20482	1588 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	1589
keir@20482	1590 if (!is_hvm(ctx, domid)) {
keir@20482	1591 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482	1592 return -1;
keir@20482	1593 }
keir@20482	1594
keir@20482	1595 back = flexarray_make(16, 1);
keir@20482	1596 if (!back)
keir@20482	1597 return ERROR_NOMEM;
keir@20482	1598
keir@20512	1599 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	1600 num = atoi(num_devs);
keir@20482	1601 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	1602 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1603 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	1604 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1605 if (pcidev->vdevfn) {
keir@20482	1606 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	1607 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1608 }
keir@20482	1609 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	1610 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1611 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	1612 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1613 flexarray_set(back, boffset++, "num_devs");
keir@20482	1614 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	1615 flexarray_set(back, boffset++, "state");
keir@20482	1616 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	1617
keir@20482	1618 retry_transaction:
keir@20482	1619 t = xs_transaction_start(ctx->xsh);
keir@20482	1620 libxl_xs_writev(ctx, t, be_path,
keir@20482	1621 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	1622 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1623 if (errno == EAGAIN)
keir@20482	1624 goto retry_transaction;
keir@20482	1625
keir@20482	1626 flexarray_free(back);
keir@20482	1627 return 0;
keir@20482	1628 }
keir@20482	1629
keir@20482	1630 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	1631 {
keir@20542	1632 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	1633 int num, i, j;
keir@20482	1634 xs_transaction_t t;
keir@20482	1635 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	1636
keir@20516	1637 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1638 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	1639 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	1640 if (!num_devs)
keir@20482	1641 return -1;
keir@20482	1642 num = atoi(num_devs);
keir@20482	1643
keir@20482	1644 if (!is_hvm(ctx, domid)) {
keir@20482	1645 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1646 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482	1647 return -1;
keir@20482	1648 }
keir@20482	1649 }
keir@20482	1650
keir@20482	1651 for (i = 0; i < num; i++) {
keir@20482	1652 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1653 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1654 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	1655 pcidev->dev == dev && pcidev->func == func) {
keir@20482	1656 break;
keir@20482	1657 }
keir@20482	1658 }
keir@20482	1659 if (i == num) {
keir@20512	1660 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482	1661 return -1;
keir@20482	1662 }
keir@20482	1663
keir@20482	1664 retry_transaction:
keir@20482	1665 t = xs_transaction_start(ctx->xsh);
keir@20542	1666 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	1667 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	1668 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1669 if (errno == EAGAIN)
keir@20482	1670 goto retry_transaction;
keir@20542	1671
keir@20542	1672 if (!is_hvm(ctx, domid)) {
keir@20542	1673 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1674 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542	1675 return -1;
keir@20542	1676 }
keir@20542	1677 }
keir@20542	1678
keir@20542	1679 retry_transaction2:
keir@20542	1680 t = xs_transaction_start(ctx->xsh);
keir@20542	1681 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	1682 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	1683 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	1684 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	1685 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	1686 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	1687 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	1688 for (j = i + 1; j < num; j++) {
keir@20542	1689 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	1690 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1691 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1692 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1693 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	1694 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1695 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1696 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1697 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	1698 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1699 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1700 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1701 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	1702 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1703 if (tmp) {
keir@20542	1704 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1705 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1706 }
keir@20542	1707 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	1708 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1709 if (tmp) {
keir@20542	1710 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1711 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1712 }
keir@20542	1713 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	1714 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1715 if (tmp) {
keir@20542	1716 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1717 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1718 }
keir@20542	1719 }
keir@20542	1720 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1721 if (errno == EAGAIN)
keir@20542	1722 goto retry_transaction2;
keir@20542	1723
keir@20542	1724 if (num == 1) {
keir@20542	1725 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	1726 libxl_device_destroy(ctx, be_path, 1);
keir@20542	1727 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	1728 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	1729 return 0;
keir@20542	1730 }
keir@20542	1731
keir@20482	1732 return 0;
keir@20462	1733 }
keir@20462	1734
keir@20482	1735 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1736 {
keir@20482	1737 char path[50];
keir@20482	1738 char state, vdevfn;
keir@20482	1739 int rc, hvm;
keir@20542	1740 int stubdomid = 0;
keir@20482	1741
keir@20482	1742 /* TODO: check if the device can be assigned */
keir@20482	1743
keir@20482	1744 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1745
keir@20542	1746 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1747 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1748 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	1749 }
keir@20542	1750
keir@20482	1751 hvm = is_hvm(ctx, domid);
keir@20482	1752 if (hvm) {
keir@20514	1753 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1754 return -1;
keir@20482	1755 }
keir@20482	1756 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1757 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1758 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1759 if (pcidev->vdevfn)
keir@20482	1760 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	1761 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	1762 else
keir@20482	1763 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1764 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1765 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1766 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514	1767 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512	1768 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1769 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1770 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1771 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20482	1772 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1773 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1774 } else {
keir@20542	1775 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1776 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1777 FILE *f = fopen(sysfs_path, "r");
keir@20482	1778 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1779 int irq = 0;
keir@20482	1780 int i;
keir@20482	1781
keir@20482	1782 if (f == NULL) {
keir@20512	1783 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1784 return -1;
keir@20482	1785 }
keir@20482	1786 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512	1787 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482	1788 size = end - start + 1;
keir@20482	1789 if (start) {
keir@20482	1790 if (flags & PCI_BAR_IO) {
keir@20482	1791 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482	1792 if (rc < 0)
keir@20512	1793 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1794 } else {
keir@20482	1795 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1796 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482	1797 if (rc < 0)
keir@20512	1798 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1799 }
keir@20482	1800 }
keir@20482	1801 }
keir@20482	1802 fclose(f);
keir@20542	1803 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1804 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1805 f = fopen(sysfs_path, "r");
keir@20482	1806 if (f == NULL) {
keir@20512	1807 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1808 goto out;
keir@20482	1809 }
keir@20482	1810 fscanf(f, "%u", &irq);
keir@20482	1811 if (irq) {
keir@20482	1812 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	1813 if (rc < 0) {
keir@20512	1814 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482	1815 }
keir@20482	1816 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	1817 if (rc < 0) {
keir@20512	1818 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482	1819 }
keir@20482	1820 }
keir@20482	1821 fclose(f);
keir@20482	1822 }
keir@20482	1823 out:
keir@20542	1824 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1825 if ((rc = xc_assign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1826 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542	1827 }
keir@20482	1828
keir@20482	1829 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	1830 return 0;
keir@20462	1831 }
keir@20462	1832
keir@20482	1833 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1834 {
keir@20482	1835 char path[50];
keir@20482	1836 char *state;
keir@20482	1837 int hvm, rc;
keir@20542	1838 int stubdomid = 0;
keir@20482	1839
keir@20482	1840 /* TODO: check if the device can be detached */
keir@20542	1841 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	1842
keir@20482	1843 hvm = is_hvm(ctx, domid);
keir@20482	1844 if (hvm) {
keir@20514	1845 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1846 return -1;
keir@20482	1847 }
keir@20482	1848 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1849 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1850 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1851 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1852 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1853 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1854 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514	1855 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512	1856 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1857 return -1;
keir@20482	1858 }
keir@20482	1859 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1860 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1861 } else {
keir@20542	1862 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1863 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1864 FILE *f = fopen(sysfs_path, "r");
keir@20482	1865 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1866 int irq = 0;
keir@20482	1867 int i;
keir@20482	1868
keir@20482	1869 if (f == NULL) {
keir@20512	1870 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1871 goto skip1;
keir@20482	1872 }
keir@20482	1873 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482	1874 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482	1875 size = end - start + 1;
keir@20482	1876 if (start) {
keir@20482	1877 if (flags & PCI_BAR_IO) {
keir@20482	1878 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	1879 if (rc < 0)
keir@20512	1880 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1881 } else {
keir@20482	1882 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1883 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	1884 if (rc < 0)
keir@20512	1885 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1886 }
keir@20482	1887 }
keir@20482	1888 }
keir@20482	1889 fclose(f);
keir@20482	1890 skip1:
keir@20542	1891 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1892 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1893 f = fopen(sysfs_path, "r");
keir@20482	1894 if (f == NULL) {
keir@20512	1895 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1896 goto out;
keir@20482	1897 }
keir@20482	1898 fscanf(f, "%u", &irq);
keir@20482	1899 if (irq) {
keir@20482	1900 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	1901 if (rc < 0) {
keir@20512	1902 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	1903 }
keir@20482	1904 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	1905 if (rc < 0) {
keir@20512	1906 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	1907 }
keir@20482	1908 }
keir@20482	1909 fclose(f);
keir@20482	1910 }
keir@20482	1911 out:
keir@20482	1912 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1913
keir@20542	1914 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1915 if ((rc = xc_deassign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1916 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	1917 }
keir@20542	1918
keir@20542	1919 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1920 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1921 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	1922 }
keir@20542	1923
keir@20482	1924 return 0;
keir@20462	1925 }
keir@20482	1926
keir@20482	1927 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	1928 {
keir@20482	1929 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	1930 int n, i;
keir@20482	1931 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	1932 libxl_device_pci *pcidevs;
keir@20482	1933
keir@20516	1934 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1935 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1936 if (!num_devs) {
keir@20482	1937 *num = 0;
keir@20482	1938 return NULL;
keir@20482	1939 }
keir@20482	1940 n = atoi(num_devs);
keir@20516	1941 pcidevs = (libxl_device_pci *) calloc(n, sizeof(libxl_device_pci));
keir@20482	1942 *num = n;
keir@20482	1943
keir@20482	1944 for (i = 0; i < n; i++) {
keir@20482	1945 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1946 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1947 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	1948 if (xsvdevfn)
keir@20482	1949 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	1950 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	1951 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	1952 if (xsopts) {
keir@20482	1953 char *saveptr;
keir@20482	1954 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	1955 do {
keir@20482	1956 while (*p == ' ')
keir@20482	1957 p++;
keir@20482	1958 if (!strcmp(p, "msitranslate")) {
keir@20482	1959 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1960 pcidevs[i].msitranslate = atoi(p);
keir@20482	1961 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	1962 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1963 pcidevs[i].power_mgmt = atoi(p);
keir@20482	1964 }
keir@20482	1965 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	1966 }
keir@20482	1967 }
keir@20482	1968 return pcidevs;
keir@20482	1969 }
keir@20482	1970
keir@20482	1971 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	1972 {
keir@20482	1973 libxl_device_pci *pcidevs;
keir@20482	1974 int num, i;
keir@20482	1975
keir@20482	1976 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	1977 for (i = 0; i < num; i++) {
keir@20482	1978 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482	1979 return -1;
keir@20482	1980 }
keir@20516	1981 free(pcidevs);
keir@20482	1982 return 0;
keir@20482	1983 }
keir@20482	1984
keir@20542	1985 void nic_info_domid_fixup(libxl_device_nic *nic_info, int domid)
keir@20542	1986 {
keir@20542	1987 nic_info->domid = domid;
keir@20542	1988 asprintf(&(nic_info->ifname), "tap%d.%d", domid, nic_info->devid - 1);
keir@20542	1989 }
keir@20542	1990
keir@20542	1991 void disk_info_domid_fixup(libxl_device_disk *disk_info, int domid)
keir@20542	1992 {
keir@20542	1993 disk_info->domid = domid;
keir@20542	1994 }
keir@20542	1995
keir@20542	1996 void vfb_info_domid_fixup(libxl_device_vfb *vfb, int domid)
keir@20542	1997 {
keir@20542	1998 vfb->domid = domid;
keir@20542	1999 }
keir@20542	2000
keir@20542	2001 void vkb_info_domid_fixup(libxl_device_vkb *vkb, int domid)
keir@20542	2002 {
keir@20542	2003 vkb->domid = domid;
keir@20542	2004 }
keir@20542	2005
keir@20542	2006 void console_info_domid_fixup(libxl_device_console *console, int domid)
keir@20542	2007 {
keir@20542	2008 console->domid = domid;
keir@20542	2009 }
keir@20542	2010
keir@20542	2011 void device_model_info_domid_fixup(libxl_device_model_info *dm_info, int domid)
keir@20542	2012 {
keir@20542	2013 dm_info->domid = domid;
keir@20542	2014 }
keir@20542	2015
keir@20542	2016 void init_create_info(libxl_domain_create_info *c_info)
keir@20542	2017 {
keir@20542	2018 memset(c_info, '\0', sizeof(*c_info));
keir@20542	2019 c_info->xsdata = NULL;
keir@20542	2020 c_info->platformdata = NULL;
keir@20542	2021 c_info->hvm = 1;
keir@20542	2022 c_info->ssidref = 0;
keir@20542	2023 }
keir@20542	2024
keir@20542	2025 void init_build_info(libxl_domain_build_info b_info, libxl_domain_create_info c_info)
keir@20542	2026 {
keir@20542	2027 memset(b_info, '\0', sizeof(*b_info));
keir@20542	2028 b_info->timer_mode = -1;
keir@20542	2029 b_info->hpet = 1;
keir@20542	2030 b_info->vpt_align = -1;
keir@20542	2031 b_info->max_vcpus = 1;
keir@20542	2032 b_info->max_memkb = 32 * 1024;
keir@20542	2033 if (c_info->hvm) {
keir@20542	2034 b_info->shadow_memkb = libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
keir@20542	2035 b_info->video_memkb = 8 * 1024;
keir@20542	2036 b_info->kernel = "/usr/lib/xen/boot/hvmloader";
keir@20542	2037 b_info->hvm = 1;
keir@20542	2038 b_info->u.hvm.pae = 1;
keir@20542	2039 b_info->u.hvm.apic = 1;
keir@20542	2040 b_info->u.hvm.acpi = 1;
keir@20542	2041 b_info->u.hvm.nx = 1;
keir@20542	2042 b_info->u.hvm.viridian = 0;
keir@20542	2043 }
keir@20542	2044 }
keir@20542	2045
keir@20542	2046 void init_dm_info(libxl_device_model_info *dm_info,
keir@20542	2047 libxl_domain_create_info c_info, libxl_domain_build_info b_info)
keir@20542	2048 {
keir@20542	2049 memset(dm_info, '\0', sizeof(*dm_info));
keir@20542	2050
keir@20542	2051 dm_info->dom_name = c_info->name;
keir@20542	2052 dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20542	2053 dm_info->videoram = b_info->video_memkb / 1024;
keir@20542	2054 dm_info->apic = b_info->u.hvm.apic;
keir@20542	2055
keir@20542	2056 dm_info->stdvga = 0;
keir@20542	2057 dm_info->vnc = 1;
keir@20542	2058 dm_info->vnclisten = "127.0.0.1";
keir@20542	2059 dm_info->vncdisplay = 0;
keir@20542	2060 dm_info->vncunused = 0;
keir@20542	2061 dm_info->keymap = NULL;
keir@20542	2062 dm_info->sdl = 0;
keir@20542	2063 dm_info->opengl = 0;
keir@20542	2064 dm_info->nographic = 0;
keir@20542	2065 dm_info->serial = NULL;
keir@20542	2066 dm_info->boot = "cda";
keir@20542	2067 dm_info->usb = 0;
keir@20542	2068 dm_info->usbdevice = NULL;
keir@20542	2069 }
keir@20542	2070
keir@20542	2071 void init_nic_info(libxl_device_nic *nic_info, int devnum)
keir@20542	2072 {
keir@20542	2073 memset(nic_info, '\0', sizeof(*nic_info));
keir@20542	2074
keir@20542	2075
keir@20542	2076 nic_info->backend_domid = 0;
keir@20542	2077 nic_info->domid = 0;
keir@20542	2078 nic_info->devid = devnum;
keir@20542	2079 nic_info->mtu = 1492;
keir@20542	2080 nic_info->model = "e1000";
keir@20542	2081 srand(time(0));
keir@20542	2082 nic_info->mac[0] = 0x00;
keir@20542	2083 nic_info->mac[1] = 0x16;
keir@20542	2084 nic_info->mac[2] = 0x3e;
keir@20542	2085 nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
keir@20542	2086 nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	2087 nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	2088 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	2089 nic_info->ifname = NULL;
keir@20542	2090 nic_info->bridge = "xenbr0";
keir@20542	2091 nic_info->script = "/etc/xen/scripts/vif-bridge";
keir@20542	2092 nic_info->nictype = NICTYPE_IOEMU;
keir@20542	2093 }
keir@20542	2094
keir@20542	2095 void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
keir@20542	2096 {
keir@20542	2097 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	2098 vfb->devid = dev_num;
keir@20542	2099 vfb->vnc = 1;
keir@20542	2100 vfb->vnclisten = "127.0.0.1";
keir@20542	2101 vfb->vncdisplay = 0;
keir@20542	2102 vfb->vncunused = 1;
keir@20542	2103 vfb->keymap = NULL;
keir@20542	2104 vfb->sdl = 0;
keir@20542	2105 vfb->opengl = 0;
keir@20542	2106 }
keir@20542	2107
keir@20542	2108 void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
keir@20542	2109 {
keir@20542	2110 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	2111 vkb->devid = dev_num;
keir@20542	2112 }
keir@20542	2113
keir@20542	2114 void init_console_info(libxl_device_console console, int dev_num, libxl_domain_build_state state)
keir@20542	2115 {
keir@20542	2116 memset(console, 0x00, sizeof(libxl_device_console));
keir@20542	2117 console->devid = dev_num;
keir@20542	2118 console->constype = CONSTYPE_XENCONSOLED;
keir@20542	2119 if (state)
keir@20542	2120 console->build_state = state;
keir@20542	2121 }
keir@20542	2122
keir@20542	2123