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

debuggers.hg

annotate tools/libxl/libxl.c @ 21438:f74229f8bfa2

libxl: Add missing start_time entry when create and restore VMs.

Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com>

author	Keir Fraser <keir.fraser@citrix.com>
date	Sat May 15 08:27:22 2010 +0100 (2010-05-15)
parents	b21b9dd9d1e3
children	eb4ecc037b7a

rev	line source
keir@20462	1 /*
keir@20462	2 * Copyright (C) 2009 Citrix Ltd.
keir@20462	3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462	4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462	5 *
keir@20462	6 * This program is free software; you can redistribute it and/or modify
keir@20462	7 * it under the terms of the GNU Lesser General Public License as published
keir@20462	8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462	9 * exception on linking described in file LICENSE.
keir@20462	10 *
keir@20462	11 * This program is distributed in the hope that it will be useful,
keir@20462	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462	14 * GNU Lesser General Public License for more details.
keir@20462	15 */
keir@20462	16
keir@20513	17 #include "libxl_osdeps.h"
keir@20513	18
keir@20462	19 #include <stdio.h>
keir@20462	20 #include <string.h>
keir@20462	21 #include <stdlib.h>
keir@20462	22 #include <sys/types.h>
keir@20462	23 #include <fcntl.h>
keir@20462	24 #include <sys/select.h>
keir@20514	25 #include <sys/wait.h>
keir@20462	26 #include <signal.h>
keir@20468	27 #include <unistd.h> /* for write, unlink and close */
keir@20509	28 #include <stdint.h>
keir@20509	29 #include <inttypes.h>
keir@20514	30 #include <assert.h>
keir@20513	31
keir@20462	32 #include "libxl.h"
keir@20462	33 #include "libxl_utils.h"
keir@20462	34 #include "libxl_internal.h"
keir@20462	35 #include "flexarray.h"
keir@20462	36
keir@20860	37 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860	38
keir@20788	39 int libxl_ctx_init(struct libxl_ctx *ctx, int version)
keir@20462	40 {
keir@20788	41 if (version != LIBXL_VERSION)
keir@20788	42 return ERROR_VERSION;
keir@20462	43 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462	44 ctx->alloc_maxsize = 256;
keir@20462	45 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462	46 if (!ctx->alloc_ptrs)
keir@20462	47 return ERROR_NOMEM;
keir@21266	48 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462	49
keir@20462	50 ctx->xch = xc_interface_open();
keir@20819	51 if (ctx->xch == -1) {
keir@20819	52 free(ctx->alloc_ptrs);
keir@20819	53 return ERROR_FAIL;
keir@20819	54 }
keir@20819	55
keir@20462	56 ctx->xsh = xs_daemon_open();
keir@20819	57 if (!ctx->xsh) {
keir@20819	58 xc_interface_close(ctx->xch);
keir@20819	59 free(ctx->alloc_ptrs);
keir@20819	60 return ERROR_FAIL;
keir@20819	61 }
keir@20462	62 return 0;
keir@20462	63 }
keir@20462	64
keir@20462	65 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462	66 {
keir@20462	67 libxl_free_all(ctx);
keir@20462	68 free(ctx->alloc_ptrs);
keir@20462	69 xc_interface_close(ctx->xch);
keir@21186	70 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462	71 return 0;
keir@20462	72 }
keir@20462	73
keir@20462	74 int libxl_ctx_set_log(struct libxl_ctx ctx, libxl_log_callback log_callback, void log_data)
keir@20462	75 {
keir@20462	76 ctx->log_callback = log_callback;
keir@20462	77 ctx->log_userdata = log_data;
keir@20462	78 return 0;
keir@20462	79 }
keir@20462	80
keir@20462	81 /******************************************************************************/
keir@20462	82
keir@20462	83 int libxl_domain_make(struct libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	84 uint32_t *domid)
keir@20462	85 {
keir@21184	86 int flags, ret, i, rc;
keir@20468	87 char *uuid_string;
keir@20646	88 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462	89 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646	90 "control", "attr", "messages" };
keir@20462	91 char dom_path, vm_path, *vss_path;
keir@20462	92 struct xs_permissions roperm[2];
keir@20462	93 struct xs_permissions rwperm[1];
keir@20462	94 xs_transaction_t t;
keir@20468	95 xen_domain_handle_t handle;
keir@20462	96
keir@21188	97 uuid_string = libxl_uuid2string(ctx, info->uuid);
keir@21188	98 if (!uuid_string) return ERROR_NOMEM;
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@21274	102 flags \|= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824	103 *domid = -1;
keir@20462	104
keir@20580	105 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580	106 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468	107
keir@20468	108 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	109 if (ret < 0) {
keir@20512	110 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	111 return ERROR_FAIL;
keir@20462	112 }
keir@20462	113
keir@21368	114 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368	115 if (ret < 0) {
keir@21368	116 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain move fail");
keir@21368	117 return ERROR_FAIL;
keir@21368	118 }
keir@21368	119
keir@20462	120 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	121 if (!dom_path)
keir@20512	122 return ERROR_FAIL;
keir@20512	123
keir@20462	124 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462	125 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512	126 if (!vm_path \|\| !vss_path) {
keir@20462	127 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	128 return ERROR_FAIL;
keir@20462	129 }
keir@20462	130
keir@20462	131 roperm[0].id = 0;
keir@20462	132 roperm[0].perms = XS_PERM_NONE;
keir@20462	133 roperm[1].id = *domid;
keir@20462	134 roperm[1].perms = XS_PERM_READ;
keir@20462	135 rwperm[0].id = *domid;
keir@20462	136 rwperm[0].perms = XS_PERM_NONE;
keir@20462	137
keir@20462	138 retry_transaction:
keir@20462	139 t = xs_transaction_start(ctx->xsh);
keir@20462	140 xs_rm(ctx->xsh, t, dom_path);
keir@20462	141 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	142 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	143
keir@20462	144 xs_rm(ctx->xsh, t, vm_path);
keir@20462	145 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	146 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	147
keir@20462	148 xs_rm(ctx->xsh, t, vss_path);
keir@20462	149 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462	150 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	151
keir@20462	152 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462	153 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@21184	154 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
keir@21184	155 if (rc) return rc;
keir@20462	156
keir@20462	157 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	158 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	159 xs_mkdir(ctx->xsh, t, path);
keir@20462	160 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	161 libxl_free(ctx, path);
keir@20462	162 }
keir@20462	163 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	164 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	165 xs_mkdir(ctx->xsh, t, path);
keir@20462	166 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	167 libxl_free(ctx, path);
keir@20462	168 }
keir@20462	169
keir@20462	170 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	171 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389	172 if (info->poolname)
keir@21389	173 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
keir@20462	174
keir@20462	175 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	176 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	177
keir@20462	178 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	179
keir@20462	180 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	181 if (errno == EAGAIN)
keir@20462	182 goto retry_transaction;
keir@20462	183 return 0;
keir@20462	184 }
keir@20462	185
keir@21184	186 int libxl_domain_rename(struct libxl_ctx *ctx, uint32_t domid,
keir@21184	187 const char old_name, const char new_name,
keir@21184	188 xs_transaction_t trans) {
keir@21184	189 char *dom_path = 0;
keir@21184	190 const char *name_path;
keir@21184	191 char *got_old_name;
keir@21184	192 unsigned int got_old_len;
keir@21184	193 xs_transaction_t our_trans = 0;
keir@21184	194 int rc;
keir@21184	195
keir@21184	196 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@21184	197 if (!dom_path) goto x_nomem;
keir@21184	198
keir@21184	199 name_path= libxl_sprintf(ctx, "%s/name", dom_path);
keir@21184	200 if (!name_path) goto x_nomem;
keir@21184	201
keir@21184	202 retry_transaction:
keir@21184	203 if (!trans) {
keir@21184	204 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184	205 if (!our_trans) {
keir@21184	206 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21184	207 "create xs transaction for domain (re)name");
keir@21184	208 goto x_fail;
keir@21184	209 }
keir@21184	210 }
keir@21184	211
keir@21184	212 if (old_name) {
keir@21184	213 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184	214 if (!got_old_name) {
keir@21184	215 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno, "check old name"
keir@21184	216 " for domain %"PRIu32" allegedly named `%s'",
keir@21184	217 domid, old_name);
keir@21184	218 goto x_fail;
keir@21184	219 }
keir@21184	220 if (strcmp(old_name, got_old_name)) {
keir@21184	221 XL_LOG(ctx, XL_LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184	222 "`%s' is actually named `%s' - racing ?",
keir@21184	223 domid, old_name, got_old_name);
keir@21184	224 free(got_old_name);
keir@21184	225 goto x_fail;
keir@21184	226 }
keir@21184	227 free(got_old_name);
keir@21184	228 }
keir@21184	229 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184	230 new_name, strlen(new_name))) {
keir@21184	231 XL_LOG(ctx, XL_LOG_ERROR, "failed to write new name `%s'"
keir@21184	232 " for domain %"PRIu32" previously named `%s'",
keir@21184	233 domid, new_name, old_name);
keir@21184	234 goto x_fail;
keir@21184	235 }
keir@21184	236
keir@21184	237 if (our_trans) {
keir@21184	238 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184	239 trans = our_trans = 0;
keir@21184	240 if (errno != EAGAIN) {
keir@21184	241 XL_LOG(ctx, XL_LOG_ERROR, "failed to commit new name `%s'"
keir@21184	242 " for domain %"PRIu32" previously named `%s'",
keir@21184	243 domid, new_name, old_name);
keir@21184	244 goto x_fail;
keir@21184	245 }
keir@21184	246 XL_LOG(ctx, XL_LOG_DEBUG, "need to retry rename transaction"
keir@21184	247 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184	248 domid, name_path, new_name);
keir@21184	249 goto retry_transaction;
keir@21184	250 }
keir@21184	251 our_trans = 0;
keir@21184	252 }
keir@21184	253
keir@21184	254 rc = 0;
keir@21184	255 x_rc:
keir@21184	256 if (dom_path) libxl_free(ctx, dom_path);
keir@21184	257 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
keir@21184	258 return rc;
keir@21184	259
keir@21184	260 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184	261 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184	262 }
keir@21184	263
keir@20516	264 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	265 {
keir@20462	266 char vments = NULL, localents = NULL;
keir@21438	267 struct timeval start_time;
keir@20829	268 int i, ret;
keir@20829	269
keir@20829	270 ret = build_pre(ctx, domid, info, state);
keir@20829	271 if (ret) goto out;
keir@20462	272
keir@21438	273 gettimeofday(&start_time, NULL);
keir@21438	274
keir@20462	275 if (info->hvm) {
keir@20829	276 ret = build_hvm(ctx, domid, info, state);
keir@20829	277 if (ret) goto out;
keir@20829	278
keir@21438	279 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516	280 vments[0] = "rtc/timeoffset";
keir@20516	281 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	282 vments[2] = "image/ostype";
keir@20516	283 vments[3] = "hvm";
keir@21438	284 vments[4] = "start_time";
keir@21438	285 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	286 } else {
keir@20829	287 ret = build_pv(ctx, domid, info, state);
keir@20829	288 if (ret) goto out;
keir@20829	289
keir@21438	290 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20578	291 i = 0;
keir@20578	292 vments[i++] = "image/ostype";
keir@20578	293 vments[i++] = "linux";
keir@20578	294 vments[i++] = "image/kernel";
keir@20578	295 vments[i++] = (char*) info->kernel;
keir@21438	296 vments[i++] = "start_time";
keir@21438	297 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20578	298 if (info->u.pv.ramdisk) {
keir@20578	299 vments[i++] = "image/ramdisk";
keir@20578	300 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20578	301 }
keir@20578	302 if (info->u.pv.cmdline) {
keir@20578	303 vments[i++] = "image/cmdline";
keir@20578	304 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578	305 }
keir@20462	306 }
keir@20829	307 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829	308 out:
keir@20829	309 return ret;
keir@20462	310 }
keir@20462	311
keir@20462	312 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	313 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	314 libxl_device_model_info *dm_info)
keir@20462	315 {
keir@20462	316 char vments = NULL, localents = NULL;
keir@21438	317 struct timeval start_time;
keir@21183	318 int i, ret, esave, flags;
keir@20462	319
keir@20829	320 ret = build_pre(ctx, domid, info, state);
keir@20829	321 if (ret) goto out;
keir@20829	322
keir@20829	323 ret = restore_common(ctx, domid, info, state, fd);
keir@20829	324 if (ret) goto out;
keir@20829	325
keir@21438	326 gettimeofday(&start_time, NULL);
keir@21438	327
keir@20462	328 if (info->hvm) {
keir@21438	329 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516	330 vments[0] = "rtc/timeoffset";
keir@20516	331 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	332 vments[2] = "image/ostype";
keir@20565	333 vments[3] = "hvm";
keir@21438	334 vments[4] = "start_time";
keir@21438	335 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	336 } else {
keir@21438	337 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20627	338 i = 0;
keir@20627	339 vments[i++] = "image/ostype";
keir@20627	340 vments[i++] = "linux";
keir@20627	341 vments[i++] = "image/kernel";
keir@20627	342 vments[i++] = (char*) info->kernel;
keir@21438	343 vments[i++] = "start_time";
keir@21438	344 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20627	345 if (info->u.pv.ramdisk) {
keir@20627	346 vments[i++] = "image/ramdisk";
keir@20627	347 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627	348 }
keir@20627	349 if (info->u.pv.cmdline) {
keir@20627	350 vments[i++] = "image/cmdline";
keir@20627	351 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627	352 }
keir@20462	353 }
keir@20829	354 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829	355 if (ret) goto out;
keir@20829	356
keir@21417	357 dm_info->saved_state = NULL;
keir@21417	358 if (info->hvm) {
keir@21417	359 ret = asprintf(&dm_info->saved_state,
keir@21417	360 "/var/lib/xen/qemu-save.%d", domid);
keir@21417	361 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417	362 }
keir@21417	363
keir@20829	364 out:
keir@21183	365 esave = errno;
keir@21183	366
keir@21183	367 flags = fcntl(fd, F_GETFL);
keir@21183	368 if (flags == -1) {
keir@21183	369 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to get flags on restore fd");
keir@21183	370 } else {
keir@21183	371 flags &= ~O_NONBLOCK;
keir@21183	372 if (fcntl(fd, F_SETFL, flags) == -1)
keir@21183	373 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to put restore fd"
keir@21183	374 " back to blocking mode");
keir@21183	375 }
keir@21183	376
keir@21183	377 errno = esave;
keir@20829	378 return ret;
keir@20462	379 }
keir@20462	380
keir@20629	381 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629	382 {
keir@20629	383 if (is_hvm(ctx, domid)) {
keir@20629	384 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629	385 "non-cooperative hvm domain %u", domid);
keir@20629	386 return ERROR_NI;
keir@20629	387 }
keir@20629	388 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629	389 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	390 "xc_domain_resume failed for domain %u",
keir@20629	391 domid);
keir@20629	392 return ERROR_FAIL;
keir@20629	393 }
keir@20629	394 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629	395 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	396 "xs_resume_domain failed for domain %u",
keir@20629	397 domid);
keir@20629	398 return ERROR_FAIL;
keir@20629	399 }
keir@20629	400 return 0;
keir@20629	401 }
keir@20629	402
keir@21189	403 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
keir@21189	404 struct libxl_dominfo *xlinfo) {
keir@21189	405 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189	406 xlinfo->domid = xcinfo->domain;
keir@21189	407
keir@21189	408 if (xcinfo->flags & XEN_DOMINF_dying)
keir@21189	409 xlinfo->dying = 1;
keir@21189	410 else if (xcinfo->flags & XEN_DOMINF_paused)
keir@21189	411 xlinfo->paused = 1;
keir@21189	412 else if (xcinfo->flags & XEN_DOMINF_blocked \|\|
keir@21189	413 xcinfo->flags & XEN_DOMINF_running)
keir@21189	414 xlinfo->running = 1;
keir@21189	415 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
keir@21189	416 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189	417 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189	418 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189	419 }
keir@21189	420
keir@20860	421 struct libxl_dominfo * libxl_list_domain(struct libxl_ctx ctx, int nb_domain)
keir@20462	422 {
keir@20462	423 struct libxl_dominfo *ptr;
keir@20867	424 int i, ret;
keir@20822	425 xc_domaininfo_t info[1024];
keir@20822	426 int size = 1024;
keir@20462	427
keir@20516	428 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@21189	429 if (!ptr) return NULL;
keir@20822	430
keir@20860	431 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
keir@21189	432 if (ret<0) return NULL;
keir@20784	433
keir@21189	434 for (i = 0; i < ret; i++) {
keir@21189	435 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462	436 }
keir@20867	437 *nb_domain = ret;
keir@20462	438 return ptr;
keir@20462	439 }
keir@20462	440
keir@21189	441 int libxl_domain_info(struct libxl_ctx ctx, struct libxl_dominfo info_r,
keir@21189	442 uint32_t domid) {
keir@21189	443 xc_domaininfo_t xcinfo;
keir@21189	444 int ret;
keir@21189	445
keir@21189	446 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
keir@21189	447 if (ret<0) return ERROR_FAIL;
keir@21189	448 if (ret==0 \|\| xcinfo.domain != domid) return ERROR_INVAL;
keir@21189	449
keir@21189	450 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189	451 return 0;
keir@21189	452 }
keir@21189	453
keir@21368	454 struct libxl_poolinfo * libxl_list_pool(struct libxl_ctx ctx, int nb_pool)
keir@21368	455 {
keir@21368	456 struct libxl_poolinfo *ptr;
keir@21368	457 int i, ret;
keir@21368	458 xc_cpupoolinfo_t info[256];
keir@21368	459 int size = 256;
keir@21368	460
keir@21368	461 ptr = calloc(size, sizeof(struct libxl_poolinfo));
keir@21368	462 if (!ptr) return NULL;
keir@21368	463
keir@21368	464 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
keir@21368	465 if (ret<0) return NULL;
keir@21368	466
keir@21368	467 for (i = 0; i < ret; i++) {
keir@21368	468 ptr[i].poolid = info[i].cpupool_id;
keir@21368	469 }
keir@21368	470 *nb_pool = ret;
keir@21368	471 return ptr;
keir@21368	472 }
keir@21368	473
keir@20860	474 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
keir@20860	475 struct libxl_vminfo * libxl_list_vm(struct libxl_ctx ctx, int nb_vm)
keir@20860	476 {
keir@20860	477 struct libxl_vminfo *ptr;
keir@20860	478 int index, i, ret;
keir@20860	479 xc_domaininfo_t info[1024];
keir@20860	480 int size = 1024;
keir@20860	481
keir@20860	482 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20860	483 if (!ptr)
keir@20860	484 return NULL;
keir@20860	485
keir@20860	486 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
keir@20860	487 for (index = i = 0; i < ret; i++) {
keir@20860	488 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860	489 continue;
keir@20860	490 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860	491 ptr[index].domid = info[i].domain;
keir@20860	492
keir@20860	493 index++;
keir@20860	494 }
keir@20860	495 *nb_vm = index;
keir@20860	496 return ptr;
keir@20860	497 }
keir@20860	498
keir@20462	499 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	500 uint32_t domid, int fd)
keir@20462	501 {
keir@20565	502 int hvm = is_hvm(ctx, domid);
keir@20565	503 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565	504 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462	505
keir@20462	506 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565	507 if (hvm)
keir@21417	508 return save_device_model(ctx, domid, fd);
keir@20462	509 return 0;
keir@20462	510 }
keir@20462	511
keir@20462	512 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	513 {
keir@20462	514 xc_domain_pause(ctx->xch, domid);
keir@20462	515 return 0;
keir@20462	516 }
keir@20462	517
keir@20462	518 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	519 {
keir@20779	520 char *path;
keir@20565	521 char *state;
keir@20565	522
keir@20565	523 if (is_hvm(ctx, domid)) {
keir@20779	524 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565	525 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565	526 if (state != NULL && !strcmp(state, "paused")) {
keir@20565	527 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565	528 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	529 }
keir@20565	530 }
keir@20462	531 xc_domain_unpause(ctx->xch, domid);
keir@20565	532
keir@20462	533 return 0;
keir@20462	534 }
keir@20462	535
keir@20462	536 static char *req_table[] = {
keir@20462	537 [0] = "poweroff",
keir@20462	538 [1] = "reboot",
keir@20462	539 [2] = "suspend",
keir@20462	540 [3] = "crash",
keir@20462	541 [4] = "halt",
keir@20462	542 };
keir@20462	543
keir@20462	544 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	545 {
keir@20462	546 char *shutdown_path;
keir@20462	547 char *dom_path;
keir@20462	548
keir@20462	549 if (req > ARRAY_SIZE(req_table))
keir@20462	550 return ERROR_INVAL;
keir@20462	551
keir@20462	552 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	553 if (!dom_path)
keir@20512	554 return ERROR_FAIL;
keir@20512	555
keir@20462	556 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	557
keir@20462	558 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462	559 if (/* hvm */ 0) {
keir@20462	560 unsigned long acpi_s_state = 0;
keir@20462	561 unsigned long pvdriver = 0;
keir@20462	562 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462	563 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462	564 if (!pvdriver && acpi_s_state != 0)
keir@20462	565 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462	566 }
keir@20462	567 return 0;
keir@20462	568 }
keir@20462	569
keir@20637	570 int libxl_get_wait_fd(struct libxl_ctx ctx, int fd)
keir@20545	571 {
keir@20545	572 *fd = xs_fileno(ctx->xsh);
keir@20545	573 return 0;
keir@20545	574 }
keir@20545	575
keir@20637	576 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, libxl_waiter waiter)
keir@20637	577 {
keir@20637	578 waiter->path = strdup("@releaseDomain");
keir@21417	579 if (asprintf(&(waiter->token), "%d", DOMAIN_DEATH) < 0)
keir@21417	580 return -1;
keir@20637	581 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637	582 return -1;
keir@20637	583 return 0;
keir@20637	584 }
keir@20637	585
keir@20637	586 int libxl_wait_for_disk_ejects(struct libxl_ctx ctx, uint32_t guest_domid, libxl_device_disk disks, int num_disks, libxl_waiter *waiter)
keir@20637	587 {
keir@20637	588 int i;
keir@20637	589 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637	590
keir@20637	591 if (!domid)
keir@20637	592 domid = guest_domid;
keir@20637	593
keir@20637	594 for (i = 0; i < num_disks; i++) {
keir@21417	595 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
keir@21417	596 libxl_xs_get_dompath(ctx, domid),
keir@21417	597 device_disk_dev_number(disks[i].virtpath)) < 0)
keir@21417	598 return -1;
keir@21417	599 if (asprintf(&(waiter[i].token), "%d", DISK_EJECT) < 0)
keir@21417	600 return -1;
keir@20637	601 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637	602 }
keir@20637	603 return 0;
keir@20637	604 }
keir@20637	605
keir@20637	606 int libxl_get_event(struct libxl_ctx ctx, libxl_event event)
keir@20545	607 {
keir@20545	608 unsigned int num;
keir@20637	609 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637	610 if (num != 2) {
keir@20637	611 free(events);
keir@20637	612 return -1;
keir@20637	613 }
keir@20637	614 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637	615 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637	616 event->type = atoi(event->token);
keir@20637	617 free(events);
keir@20637	618 return 0;
keir@20637	619 }
keir@20637	620
keir@20637	621 int libxl_stop_waiting(struct libxl_ctx ctx, libxl_waiter waiter)
keir@20637	622 {
keir@20637	623 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637	624 return -1;
keir@20637	625 else
keir@20637	626 return 0;
keir@20637	627 }
keir@20637	628
keir@20637	629 int libxl_free_event(libxl_event *event)
keir@20637	630 {
keir@20637	631 free(event->path);
keir@20637	632 free(event->token);
keir@20637	633 return 0;
keir@20637	634 }
keir@20637	635
keir@20637	636 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637	637 {
keir@20637	638 free(waiter->path);
keir@20637	639 free(waiter->token);
keir@20637	640 return 0;
keir@20637	641 }
keir@20637	642
keir@20785	643 int libxl_event_get_domain_death_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, xc_domaininfo_t *info)
keir@20637	644 {
keir@20785	645 int rc = 0, ret;
keir@20545	646
keir@20637	647 if (event && event->type == DOMAIN_DEATH) {
keir@20785	648 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785	649 if (ret == 1 && info->domain == domid) {
keir@20785	650 if (info->flags & XEN_DOMINF_running \|\|
keir@20785	651 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545	652 goto out;
keir@20545	653 rc = 1;
keir@20545	654 goto out;
keir@20545	655 }
keir@20785	656 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545	657 rc = 1;
keir@20545	658 goto out;
keir@20545	659 }
keir@20545	660 out:
keir@20545	661 return rc;
keir@20545	662 }
keir@20545	663
keir@20637	664 int libxl_event_get_disk_eject_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_device_disk *disk)
keir@20637	665 {
keir@20637	666 if (event && event->type == DISK_EJECT) {
keir@20637	667 char *path;
keir@20637	668 char *backend;
keir@20637	669 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637	670
keir@20637	671 if (!value \|\| strcmp(value, "eject"))
keir@20637	672 return 0;
keir@20637	673
keir@20637	674 path = strdup(event->path);
keir@20637	675 path[strlen(path) - 6] = '\0';
keir@20637	676 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637	677
keir@20637	678 disk->backend_domid = 0;
keir@20637	679 disk->domid = domid;
keir@20637	680 disk->physpath = NULL;
keir@20637	681 disk->phystype = 0;
keir@20637	682 /* this value is returned to the user: do not free right away */
keir@20637	683 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637	684 disk->unpluggable = 1;
keir@20637	685 disk->readwrite = 0;
keir@20637	686 disk->is_cdrom = 1;
keir@20637	687
keir@20637	688 free(path);
keir@20637	689 return 1;
keir@20637	690 }
keir@20637	691 return 0;
keir@20637	692 }
keir@20637	693
keir@20462	694 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	695 {
keir@20462	696 char *pid;
keir@20462	697 int ret;
keir@20462	698
keir@20462	699 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	700 if (!pid) {
keir@20542	701 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	702 if (!stubdomid) {
keir@20542	703 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542	704 return -1;
keir@20542	705 }
keir@20542	706 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	707 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	708 }
keir@20462	709 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	710
keir@20462	711 ret = kill(atoi(pid), SIGHUP);
keir@20462	712 if (ret < 0 && errno == ESRCH) {
keir@20512	713 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	714 ret = 0;
keir@20462	715 } else if (ret == 0) {
keir@20512	716 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	717 ret = 0;
keir@20462	718 } else {
keir@20512	719 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	720 atoi(pid));
keir@20462	721 }
keir@20462	722 return ret;
keir@20462	723 }
keir@20462	724
keir@20462	725 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	726 {
keir@20801	727 char *dom_path;
keir@20779	728 char vm_path, vss_path, *xapi_path;
keir@20628	729 int rc, dm_present;
keir@20628	730
keir@20628	731 if (is_hvm(ctx, domid)) {
keir@20628	732 dm_present = 1;
keir@20628	733 } else {
keir@20628	734 char *pid;
keir@20628	735 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628	736 dm_present = (pid != NULL);
keir@20628	737 libxl_free(ctx, pid);
keir@20628	738 }
keir@20462	739
keir@20462	740 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	741 if (!dom_path)
keir@20462	742 return -1;
keir@20512	743
keir@20482	744 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	745 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628	746 if (dm_present) {
keir@20628	747 xs_write(ctx->xsh, XBT_NULL,
keir@20628	748 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628	749 "shutdown", strlen("shutdown"));
keir@20628	750 }
keir@20512	751 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	752 if (rc < 0) {
keir@20512	753 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	754 return -1;
keir@20462	755 }
keir@20628	756 if (dm_present) {
keir@20628	757 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628	758 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628	759 }
keir@20462	760 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	761 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462	762 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512	763 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779	764
keir@20801	765 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", domid));
keir@20823	766 if (vm_path)
keir@20823	767 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823	768 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779	769
keir@20801	770 vss_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vss", domid));
keir@20823	771 if (vss_path)
keir@20823	772 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20823	773 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779	774
keir@20779	775 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20823	776 if (xapi_path)
keir@20823	777 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20823	778 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779	779
keir@21190	780 libxl__userdata_destroyall(ctx, domid);
keir@21190	781
keir@20545	782 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	783 if (rc < 0) {
keir@20545	784 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545	785 return -1;
keir@20545	786 }
keir@20462	787 return 0;
keir@20462	788 }
keir@20462	789
keir@20564	790 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	791 {
keir@21283	792 char *cmd = libxl_sprintf(
keir@21283	793 ctx, "%s/xenconsole %d --num %d",
keir@21283	794 libxl_private_bindir_path(), domid, cons_num);
keir@20564	795 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564	796 }
keir@20564	797
keir@20462	798 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	799 libxl_device_model_info *info,
keir@20462	800 libxl_device_nic *vifs,
keir@20462	801 int num_vifs)
keir@20462	802 {
keir@20462	803 int num = 0, i;
keir@20462	804 flexarray_t *dm_args;
keir@20462	805 dm_args = flexarray_make(16, 1);
keir@20462	806 if (!dm_args)
keir@20462	807 return NULL;
keir@20462	808
keir@20516	809 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	810 flexarray_set(dm_args, num++, "-d");
keir@20462	811
keir@20462	812 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	813
keir@20462	814 if (info->dom_name) {
keir@20516	815 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	816 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	817 }
keir@20462	818 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	819 flexarray_set(dm_args, num++, "-vnc");
keir@20462	820 if (info->vncdisplay) {
keir@20462	821 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362	822 flexarray_set(
keir@21362	823 dm_args, num++,
keir@21362	824 libxl_sprintf(ctx, "%s:%d%s",
keir@21362	825 info->vnclisten,
keir@21362	826 info->vncdisplay,
keir@21362	827 info->vncpasswd ? ",password" : ""));
keir@20462	828 } else {
keir@20462	829 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	830 }
keir@20462	831 } else if (info->vnclisten) {
keir@20462	832 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	833 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	834 } else {
keir@20462	835 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	836 }
keir@20462	837 } else {
keir@20516	838 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	839 }
keir@20462	840 if (info->vncunused) {
keir@20516	841 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	842 }
keir@20462	843 }
keir@21378	844 if (info->sdl) {
keir@20516	845 flexarray_set(dm_args, num++, "-sdl");
keir@20462	846 if (info->opengl) {
keir@20516	847 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	848 }
keir@20462	849 }
keir@20462	850 if (info->keymap) {
keir@20516	851 flexarray_set(dm_args, num++, "-k");
keir@20516	852 flexarray_set(dm_args, num++, info->keymap);
keir@20462	853 }
keir@20462	854 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	855 flexarray_set(dm_args, num++, "-nographic");
keir@20462	856 }
keir@20462	857 if (info->serial) {
keir@20516	858 flexarray_set(dm_args, num++, "-serial");
keir@20516	859 flexarray_set(dm_args, num++, info->serial);
keir@20462	860 }
keir@20509	861 if (info->type == XENFV) {
keir@20509	862 if (info->videoram) {
keir@20516	863 flexarray_set(dm_args, num++, "-videoram");
keir@20509	864 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	865 }
keir@20509	866 if (info->stdvga) {
keir@20516	867 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	868 }
keir@20509	869
keir@20509	870 if (info->boot) {
keir@20516	871 flexarray_set(dm_args, num++, "-boot");
keir@20516	872 flexarray_set(dm_args, num++, info->boot);
keir@20509	873 }
keir@20509	874 if (info->usb) {
keir@20516	875 flexarray_set(dm_args, num++, "-usb");
keir@20509	876 if (info->usbdevice) {
keir@20516	877 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	878 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	879 }
keir@20509	880 }
keir@20509	881 if (info->apic) {
keir@20516	882 flexarray_set(dm_args, num++, "-acpi");
keir@20509	883 }
keir@20509	884 for (i = 0; i < num_vifs; i++) {
keir@20509	885 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780	886 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780	887 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780	888 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781	889 if (!vifs[i].ifname)
keir@20781	890 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516	891 flexarray_set(dm_args, num++, "-net");
keir@20509	892 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780	893 vifs[i].devid, smac, vifs[i].model));
keir@20516	894 flexarray_set(dm_args, num++, "-net");
keir@20509	895 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	896 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509	897 }
keir@20462	898 }
keir@20462	899 }
keir@20565	900 if (info->saved_state) {
keir@20565	901 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	902 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	903 }
keir@20509	904 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	905 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	906 flexarray_set(dm_args, num++, "-M");
keir@20509	907 if (info->type == XENPV)
keir@20516	908 flexarray_set(dm_args, num++, "xenpv");
keir@20509	909 else
keir@20516	910 flexarray_set(dm_args, num++, "xenfv");
keir@20462	911 flexarray_set(dm_args, num++, NULL);
keir@20462	912
keir@20462	913 return (char **) flexarray_contents(dm_args);
keir@20462	914 }
keir@20462	915
keir@20834	916 void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834	917 {
keir@20514	918 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	919 char *kvs[3];
keir@20820	920 int rc;
keir@20820	921 struct xs_handle *xsh;
keir@20514	922
keir@20820	923 xsh = xs_daemon_open();
keir@20514	924 /* we mustn't use the parent's handle in the child */
keir@20514	925
keir@20514	926 kvs[0] = "image/device-model-pid";
keir@21417	927 if (asprintf(&kvs[1], "%d", innerchild) < 0)
keir@21417	928 return;
keir@20514	929 kvs[2] = NULL;
keir@20820	930
keir@20820	931 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820	932 if (rc)
keir@20820	933 return;
keir@20820	934 xs_daemon_close(xsh);
keir@20514	935 }
keir@20514	936
keir@20542	937 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	938 libxl_device_model_info *info,
keir@20542	939 libxl_device_vfb *vfb,
keir@20542	940 libxl_device_vkb *vkb)
keir@20542	941 {
keir@20542	942 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	943 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	944
keir@20542	945 vfb->backend_domid = 0;
keir@20542	946 vfb->devid = 0;
keir@20542	947 vfb->vnc = info->vnc;
keir@20542	948 vfb->vnclisten = info->vnclisten;
keir@20542	949 vfb->vncdisplay = info->vncdisplay;
keir@20542	950 vfb->vncunused = info->vncunused;
keir@21362	951 vfb->vncpasswd = info->vncpasswd;
keir@20542	952 vfb->keymap = info->keymap;
keir@20542	953 vfb->sdl = info->sdl;
keir@20542	954 vfb->opengl = info->opengl;
keir@20542	955
keir@20542	956 vkb->backend_domid = 0;
keir@20542	957 vkb->devid = 0;
keir@20542	958 return 0;
keir@20542	959 }
keir@20542	960
keir@20542	961 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	962 {
keir@20542	963 int i;
keir@20542	964 char *vm_path;
keir@20542	965 char dmargs, path;
keir@20542	966 int dmargs_size;
keir@20542	967 struct xs_permissions roperm[2];
keir@20542	968 xs_transaction_t t;
keir@20542	969
keir@20542	970 roperm[0].id = 0;
keir@20542	971 roperm[0].perms = XS_PERM_NONE;
keir@20542	972 roperm[1].id = domid;
keir@20542	973 roperm[1].perms = XS_PERM_READ;
keir@20542	974
keir@20542	975 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	976
keir@20542	977 i = 0;
keir@20542	978 dmargs_size = 0;
keir@20542	979 while (args[i] != NULL) {
keir@20542	980 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	981 i++;
keir@20542	982 }
keir@20542	983 dmargs_size++;
keir@20542	984 dmargs = (char *) malloc(dmargs_size);
keir@20542	985 i = 1;
keir@20542	986 dmargs[0] = '\0';
keir@20542	987 while (args[i] != NULL) {
keir@20542	988 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	989 strcat(dmargs, " ");
keir@20542	990 strcat(dmargs, args[i]);
keir@20542	991 }
keir@20542	992 i++;
keir@20542	993 }
keir@20542	994 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	995
keir@20542	996 retry_transaction:
keir@20542	997 t = xs_transaction_start(ctx->xsh);
keir@20542	998 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	999 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	1000 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	1001 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1002 if (errno == EAGAIN)
keir@20542	1003 goto retry_transaction;
keir@20542	1004 free(dmargs);
keir@20542	1005 return 0;
keir@20542	1006 }
keir@20542	1007
keir@20542	1008 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	1009 libxl_device_model_info *info,
keir@20542	1010 libxl_device_disk *disks, int num_disks,
keir@20542	1011 libxl_device_nic *vifs, int num_vifs,
keir@20542	1012 libxl_device_vfb *vfb,
keir@20542	1013 libxl_device_vkb *vkb,
keir@20542	1014 libxl_device_model_starting **starting_r)
keir@20542	1015 {
keir@20843	1016 int i, num_console = 1, ret;
keir@20570	1017 libxl_device_console *console;
keir@20542	1018 libxl_domain_create_info c_info;
keir@20542	1019 libxl_domain_build_info b_info;
keir@20542	1020 libxl_domain_build_state state;
keir@20542	1021 uint32_t domid;
keir@20542	1022 char **args;
keir@20542	1023 struct xs_permissions perm[2];
keir@20542	1024 xs_transaction_t t;
keir@20594	1025 libxl_device_model_starting *dm_starting = 0;
keir@20542	1026
keir@20542	1027 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	1028 if (!args)
keir@20542	1029 return ERROR_FAIL;
keir@20542	1030
keir@20542	1031 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	1032 c_info.hvm = 0;
keir@20542	1033 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801	1034 for (i = 0; i < 16; i++)
keir@20801	1035 c_info.uuid[i] = info->uuid[i];
keir@20542	1036
keir@20542	1037 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	1038 b_info.max_vcpus = 1;
keir@20542	1039 b_info.max_memkb = 32 * 1024;
keir@20647	1040 b_info.target_memkb = b_info.max_memkb;
keir@21353	1041 b_info.kernel = libxl_abs_path(ctx, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
keir@20542	1042 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542	1043 b_info.u.pv.ramdisk = "";
keir@20542	1044 b_info.u.pv.features = "";
keir@20542	1045 b_info.hvm = 0;
keir@20542	1046
keir@20843	1047 ret = libxl_domain_make(ctx, &c_info, &domid);
keir@20843	1048 if (ret) return ret;
keir@20843	1049 ret = libxl_domain_build(ctx, &b_info, domid, &state);
keir@20843	1050 if (ret) return ret;
keir@20542	1051
keir@20542	1052 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20843	1053 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1054 libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)),
keir@20843	1055 "%d", domid);
keir@20843	1056 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1057 libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)),
keir@20843	1058 "%d", info->domid);
keir@20542	1059 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542	1060 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	1061
keir@20542	1062 perm[0].id = domid;
keir@20542	1063 perm[0].perms = XS_PERM_NONE;
keir@20542	1064 perm[1].id = info->domid;
keir@20542	1065 perm[1].perms = XS_PERM_READ;
keir@20542	1066 retry_transaction:
keir@20542	1067 t = xs_transaction_start(ctx->xsh);
keir@20542	1068 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	1069 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635	1070 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635	1071 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542	1072 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1073 if (errno == EAGAIN)
keir@20542	1074 goto retry_transaction;
keir@20542	1075
keir@20542	1076 for (i = 0; i < num_disks; i++) {
keir@20781	1077 disks[i].domid = domid;
keir@20843	1078 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20843	1079 if (ret) return ret;
keir@20542	1080 }
keir@20542	1081 for (i = 0; i < num_vifs; i++) {
keir@20781	1082 vifs[i].domid = domid;
keir@20843	1083 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20843	1084 if (ret) return ret;
keir@20542	1085 }
keir@20781	1086 vfb->domid = domid;
keir@20843	1087 ret = libxl_device_vfb_add(ctx, domid, vfb);
keir@20843	1088 if (ret) return ret;
keir@20781	1089 vkb->domid = domid;
keir@20843	1090 ret = libxl_device_vkb_add(ctx, domid, vkb);
keir@20843	1091 if (ret) return ret;
keir@20542	1092
keir@20570	1093 if (info->serial)
keir@20570	1094 num_console++;
keir@20843	1095
keir@20570	1096 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20843	1097 if (!console)
keir@20843	1098 return ERROR_NOMEM;
keir@20843	1099
keir@20570	1100 for (i = 0; i < num_console; i++) {
keir@20781	1101 console[i].devid = i;
keir@20781	1102 console[i].constype = CONSTYPE_IOEMU;
keir@20781	1103 console[i].domid = domid;
keir@20570	1104 if (!i)
keir@20781	1105 console[i].build_state = &state;
keir@20843	1106 ret = libxl_device_console_add(ctx, domid, &console[i]);
keir@20843	1107 if (ret) return ret;
keir@20570	1108 }
keir@20594	1109 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594	1110 free(args);
keir@20594	1111 return -1;
keir@20594	1112 }
keir@20594	1113 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594	1114 free(args);
keir@20594	1115 return -1;
keir@20594	1116 }
keir@20542	1117
keir@20542	1118 libxl_domain_unpause(ctx, domid);
keir@20542	1119
keir@20594	1120 if (starting_r) {
keir@20594	1121 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598	1122 (*starting_r)->domid = info->domid;
keir@20594	1123 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1124 (*starting_r)->for_spawn = NULL;
keir@20594	1125 }
keir@20594	1126
keir@20542	1127 free(args);
keir@20542	1128 return 0;
keir@20542	1129 }
keir@20542	1130
keir@20462	1131 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	1132 libxl_device_model_info *info,
keir@20542	1133 libxl_device_disk *disks, int num_disks,
keir@20514	1134 libxl_device_nic *vifs, int num_vifs,
keir@20514	1135 libxl_device_model_starting **starting_r)
keir@20462	1136 {
keir@20546	1137 char path, logfile;
keir@20514	1138 int logfile_w, null;
keir@20546	1139 int rc;
keir@20462	1140 char **args;
keir@20594	1141 struct libxl_device_model_starting buf_starting, *p;
keir@21362	1142 xs_transaction_t t;
keir@21362	1143 char *vm_path;
keir@21362	1144 char **pass_stuff;
keir@20514	1145
keir@20542	1146 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	1147 libxl_device_vfb vfb;
keir@20542	1148 libxl_device_vkb vkb;
keir@20542	1149
keir@20542	1150 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	1151 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	1152 }
keir@20542	1153
keir@20462	1154 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	1155 if (!args)
keir@20462	1156 return ERROR_FAIL;
keir@20462	1157
keir@20462	1158 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	1159 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462	1160
keir@20546	1161 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	1162 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	1163 free(logfile);
keir@20462	1164 null = open("/dev/null", O_RDONLY);
keir@20514	1165
keir@20514	1166 if (starting_r) {
keir@20516	1167 rc = ERROR_NOMEM;
keir@20594	1168 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516	1169 if (!*starting_r) goto xit;
keir@20594	1170 p = *starting_r;
keir@20611	1171 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594	1172 } else {
keir@20594	1173 p = &buf_starting;
keir@20594	1174 p->for_spawn = NULL;
keir@20594	1175 }
keir@20514	1176
keir@20594	1177 p->domid = info->domid;
keir@20594	1178 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1179 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594	1180
keir@21362	1181 if (info->vncpasswd) {
keir@21362	1182 retry_transaction:
keir@21362	1183 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362	1184 t = xs_transaction_start(ctx->xsh);
keir@21362	1185 vm_path = libxl_xs_read(ctx,t,libxl_sprintf(ctx, "%s/vm", p->dom_path));
keir@21362	1186 if (vm_path) {
keir@21362	1187 /* Now write the vncpassword into it. */
keir@21362	1188 pass_stuff = libxl_calloc(ctx, 2, sizeof(char *));
keir@21362	1189 pass_stuff[0] = "vncpasswd";
keir@21362	1190 pass_stuff[1] = info->vncpasswd;
keir@21362	1191 libxl_xs_writev(ctx,t,vm_path,pass_stuff);
keir@21362	1192 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362	1193 if (errno == EAGAIN)
keir@21362	1194 goto retry_transaction;
keir@21362	1195 }
keir@21362	1196 }
keir@21362	1197
keir@20594	1198 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514	1199 if (rc < 0) goto xit;
keir@20514	1200 if (!rc) { /* inner child */
keir@20833	1201 libxl_exec(null, logfile_w, logfile_w,
keir@21353	1202 libxl_abs_path(ctx, info->device_model, libxl_private_bindir_path()),
keir@21353	1203 args);
keir@20514	1204 }
keir@20514	1205
keir@20514	1206 rc = 0;
keir@20514	1207 xit:
keir@20516	1208 free(args);
keir@20462	1209 close(null);
keir@20462	1210 close(logfile_w);
keir@20462	1211
keir@20514	1212 return rc;
keir@20514	1213 }
keir@20514	1214
keir@20514	1215 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779	1216 libxl_device_model_starting *starting)
keir@20779	1217 {
keir@20514	1218 int rc;
keir@20594	1219 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594	1220 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514	1221 libxl_free(ctx, starting);
keir@20514	1222 return rc;
keir@20514	1223 }
keir@20462	1224
keir@20514	1225
keir@20514	1226 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779	1227 libxl_device_model_starting *starting)
keir@20779	1228 {
keir@20514	1229 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	1230 libxl_spawn_check,
keir@20594	1231 starting->for_spawn);
keir@20514	1232 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	1233 return problem ? problem : detach;
keir@20542	1234 return 0;
keir@20462	1235 }
keir@20462	1236
keir@20514	1237
keir@20462	1238 /******************************************************************************/
keir@20566	1239
keir@20566	1240 static int is_blktap2_supported(void)
keir@20566	1241 {
keir@20566	1242 char buf[1024];
keir@20566	1243 FILE *f = fopen("/proc/devices", "r");
keir@20566	1244
keir@20566	1245
keir@20566	1246 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566	1247 if (strstr(buf, "blktap2")) {
keir@20566	1248 fclose(f);
keir@20566	1249 return 1;
keir@20566	1250 }
keir@20566	1251 }
keir@20566	1252 fclose(f);
keir@20566	1253 return 0;
keir@20566	1254 }
keir@20566	1255
keir@20566	1256 static char get_blktap2_device(struct libxl_ctx ctx, char name, char type)
keir@20566	1257 {
keir@20566	1258 char buf[1024];
keir@20566	1259 char *p;
keir@20566	1260 int devnum;
keir@20566	1261 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566	1262
keir@20566	1263
keir@20566	1264 while (!feof(f)) {
keir@20566	1265 fscanf(f, "%d %s", &devnum, buf);
keir@20566	1266 p = strchr(buf, ':');
keir@20571	1267 if (p == NULL)
keir@20571	1268 continue;
keir@20566	1269 p++;
keir@20566	1270 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566	1271 fclose(f);
keir@20566	1272 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566	1273 }
keir@20566	1274 }
keir@20566	1275 fclose(f);
keir@20566	1276 return NULL;
keir@20566	1277 }
keir@20566	1278
keir@20462	1279 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	1280 {
keir@20462	1281 flexarray_t *front;
keir@20462	1282 flexarray_t *back;
keir@20462	1283 char *backend_type;
keir@20462	1284 unsigned int boffset = 0;
keir@20462	1285 unsigned int foffset = 0;
keir@20462	1286 int devid;
keir@20462	1287 libxl_device device;
keir@20566	1288 int major, minor;
keir@20462	1289
keir@20462	1290 front = flexarray_make(16, 1);
keir@20462	1291 if (!front)
keir@20462	1292 return ERROR_NOMEM;
keir@20462	1293 back = flexarray_make(16, 1);
keir@20462	1294 if (!back) /* leaks front if error */
keir@20462	1295 return ERROR_NOMEM;
keir@20462	1296
keir@20462	1297 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	1298 devid = device_disk_dev_number(disk->virtpath);
keir@20947	1299 if (devid==-1) {
keir@20947	1300 XL_LOG(ctx, XL_LOG_ERROR, "Invalid or unuspported"
keir@20947	1301 " virtual disk identifier %s", disk->virtpath);
keir@20947	1302 return ERROR_INVAL;
keir@20947	1303 }
keir@20462	1304
keir@20462	1305 device.backend_devid = devid;
keir@20462	1306 device.backend_domid = disk->backend_domid;
keir@20462	1307 device.devid = devid;
keir@20462	1308 device.domid = disk->domid;
keir@20462	1309 device.kind = DEVICE_VBD;
keir@20462	1310
keir@20462	1311 switch (disk->phystype) {
keir@20462	1312 case PHYSTYPE_PHY: {
keir@20462	1313
keir@20509	1314 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	1315 flexarray_set(back, boffset++, "physical-device");
keir@20462	1316 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	1317
keir@20516	1318 flexarray_set(back, boffset++, "params");
keir@20516	1319 flexarray_set(back, boffset++, disk->physpath);
keir@20462	1320
keir@20462	1321 device.backend_kind = DEVICE_VBD;
keir@20462	1322 break;
keir@20462	1323 }
keir@20566	1324 case PHYSTYPE_FILE:
keir@20566	1325 /* let's pretend is tap:aio for the moment */
keir@20566	1326 disk->phystype = PHYSTYPE_AIO;
keir@20462	1327 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566	1328 if (is_blktap2_supported()) {
keir@20566	1329 int rc, c, p[2], tot;
keir@20566	1330 char buf[1024], *dev;
keir@20779	1331 dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype));
keir@20779	1332 if (dev == NULL) {
keir@21185	1333 rc= libxl_pipe(ctx, p); if (rc==-1) return -1;
keir@21185	1334 rc= libxl_fork(ctx); if (rc==-1) return -1;
keir@21185	1335 if (!rc) { /* child */
keir@20566	1336 int null_r, null_w;
keir@20566	1337 char *args[4];
keir@20566	1338 args[0] = "tapdisk2";
keir@20566	1339 args[1] = "-n";
keir@20566	1340 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566	1341 args[3] = NULL;
keir@20566	1342
keir@20566	1343 null_r = open("/dev/null", O_RDONLY);
keir@20566	1344 null_w = open("/dev/null", O_WRONLY);
keir@21376	1345 libxl_exec(null_r, p[1], null_w,
keir@21376	1346 libxl_abs_path(ctx, "tapdisk2",
keir@21376	1347 libxl_sbindir_path()),
keir@21376	1348 args);
keir@20566	1349 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566	1350 }
keir@20566	1351 close(p[1]);
keir@20566	1352 tot = 0;
keir@20566	1353 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566	1354 tot = tot + c;
keir@20566	1355 close(p[0]);
keir@20566	1356 buf[tot - 1] = '\0';
keir@20566	1357 dev = buf;
keir@20566	1358 }
keir@20566	1359 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566	1360 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1361 flexarray_set(back, boffset++, "params");
keir@20566	1362 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566	1363 backend_type = "phy";
keir@20566	1364 device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1365 flexarray_set(back, boffset++, "physical-device");
keir@20566	1366 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566	1367 device.backend_kind = DEVICE_VBD;
keir@20566	1368
keir@20566	1369 break;
keir@20566	1370 }
keir@20516	1371 flexarray_set(back, boffset++, "params");
keir@20462	1372 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	1373 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1374
keir@20462	1375 device.backend_kind = DEVICE_TAP;
keir@20462	1376 break;
keir@20846	1377 default:
keir@20846	1378 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
keir@20846	1379 return ERROR_INVAL;
keir@20462	1380 }
keir@20462	1381
keir@20516	1382 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1383 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	1384 flexarray_set(back, boffset++, "online");
keir@20516	1385 flexarray_set(back, boffset++, "1");
keir@20516	1386 flexarray_set(back, boffset++, "removable");
keir@20462	1387 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1388 flexarray_set(back, boffset++, "bootable");
keir@20509	1389 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1390 flexarray_set(back, boffset++, "state");
keir@20462	1391 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1392 flexarray_set(back, boffset++, "dev");
keir@20516	1393 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1394 flexarray_set(back, boffset++, "type");
keir@20516	1395 flexarray_set(back, boffset++, backend_type);
keir@20516	1396 flexarray_set(back, boffset++, "mode");
keir@20516	1397 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1398
keir@20516	1399 flexarray_set(front, foffset++, "backend-id");
keir@20462	1400 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	1401 flexarray_set(front, foffset++, "state");
keir@20462	1402 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1403 flexarray_set(front, foffset++, "virtual-device");
keir@20462	1404 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	1405 flexarray_set(front, foffset++, "device-type");
keir@20516	1406 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1407
keir@20462	1408 if (0 /* protocol != native*/) {
keir@20516	1409 flexarray_set(front, foffset++, "protocol");
keir@20516	1410 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1411 }
keir@20462	1412
keir@20462	1413 libxl_device_generic_add(ctx, &device,
keir@20462	1414 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1415 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1416 flexarray_free(back);
keir@20516	1417 flexarray_free(front);
keir@20462	1418 return 0;
keir@20462	1419 }
keir@20462	1420
keir@20626	1421 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626	1422 libxl_device_disk *disk, int wait)
keir@20462	1423 {
keir@20626	1424 libxl_device device;
keir@20626	1425 int devid;
keir@20462	1426
keir@20626	1427 devid = device_disk_dev_number(disk->virtpath);
keir@20626	1428 device.backend_domid = disk->backend_domid;
keir@20626	1429 device.backend_devid = devid;
keir@20626	1430 device.backend_kind =
keir@20626	1431 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	1432 device.domid = disk->domid;
keir@20626	1433 device.devid = devid;
keir@20626	1434 device.kind = DEVICE_VBD;
keir@20626	1435 return libxl_device_del(ctx, &device, wait);
keir@20462	1436 }
keir@20462	1437
keir@20462	1438 /******************************************************************************/
keir@20462	1439 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1440 {
keir@20462	1441 flexarray_t *front;
keir@20462	1442 flexarray_t *back;
keir@20462	1443 unsigned int boffset = 0;
keir@20462	1444 unsigned int foffset = 0;
keir@20462	1445 libxl_device device;
keir@21407	1446 char dompath, *l;
keir@21407	1447 unsigned int nb;
keir@20462	1448
keir@20462	1449 front = flexarray_make(16, 1);
keir@20462	1450 if (!front)
keir@20462	1451 return ERROR_NOMEM;
keir@20462	1452 back = flexarray_make(16, 1);
keir@20462	1453 if (!back)
keir@20462	1454 return ERROR_NOMEM;
keir@20462	1455
keir@21407	1456 if (nic->devid == -1) {
keir@21407	1457 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21407	1458 return ERROR_FAIL;
keir@21407	1459 }
keir@21407	1460 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21407	1461 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb))) {
keir@21407	1462 nic->devid = 0;
keir@21407	1463 } else {
keir@21407	1464 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407	1465 libxl_free(ctx, l);
keir@21407	1466 }
keir@21407	1467 }
keir@21407	1468
keir@20462	1469 device.backend_devid = nic->devid;
keir@20462	1470 device.backend_domid = nic->backend_domid;
keir@20462	1471 device.backend_kind = DEVICE_VIF;
keir@20462	1472 device.devid = nic->devid;
keir@20462	1473 device.domid = nic->domid;
keir@20462	1474 device.kind = DEVICE_VIF;
keir@20462	1475
keir@20516	1476 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1477 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	1478 flexarray_set(back, boffset++, "online");
keir@20516	1479 flexarray_set(back, boffset++, "1");
keir@20516	1480 flexarray_set(back, boffset++, "state");
keir@20462	1481 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1482 flexarray_set(back, boffset++, "script");
keir@20516	1483 flexarray_set(back, boffset++, nic->script);
keir@20516	1484 flexarray_set(back, boffset++, "mac");
keir@20462	1485 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1486 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1487 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516	1488 flexarray_set(back, boffset++, "handle");
keir@20462	1489 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	1490
keir@20516	1491 flexarray_set(front, foffset++, "backend-id");
keir@20462	1492 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1493 flexarray_set(front, foffset++, "state");
keir@20462	1494 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1495 flexarray_set(front, foffset++, "handle");
keir@20462	1496 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1497 flexarray_set(front, foffset++, "mac");
keir@20462	1498 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1499 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1500 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1501 if (0 /* protocol != native*/) {
keir@20516	1502 flexarray_set(front, foffset++, "protocol");
keir@20516	1503 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1504 }
keir@20462	1505
keir@20462	1506 libxl_device_generic_add(ctx, &device,
keir@20462	1507 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1508 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1509
keir@20462	1510 /* FIXME: wait for plug */
keir@20516	1511 flexarray_free(back);
keir@20516	1512 flexarray_free(front);
keir@20462	1513 return 0;
keir@20462	1514 }
keir@20462	1515
keir@20626	1516 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626	1517 libxl_device_nic *nic, int wait)
keir@20462	1518 {
keir@20626	1519 libxl_device device;
keir@20462	1520
keir@20626	1521 device.backend_devid = nic->devid;
keir@20626	1522 device.backend_domid = nic->backend_domid;
keir@20626	1523 device.backend_kind = DEVICE_VIF;
keir@20626	1524 device.devid = nic->devid;
keir@20626	1525 device.domid = nic->domid;
keir@20626	1526 device.kind = DEVICE_VIF;
keir@20626	1527
keir@20626	1528 return libxl_device_del(ctx, &device, wait);
keir@20462	1529 }
keir@20462	1530
keir@21408	1531 libxl_nicinfo libxl_list_nics(struct libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21408	1532 {
keir@21408	1533 char dompath, nic_path_fe;
keir@21408	1534 char **l;
keir@21408	1535 char val, tok;
keir@21408	1536 unsigned int nb_nics, i;
keir@21408	1537 libxl_nicinfo res, nics;
keir@21408	1538
keir@21408	1539 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21408	1540 if (!dompath) {
keir@21408	1541 return NULL;
keir@21408	1542 }
keir@21408	1543 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21408	1544 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb_nics);
keir@21408	1545 if (!l) {
keir@21408	1546 return NULL;
keir@21408	1547 }
keir@21408	1548 res = libxl_calloc(ctx, nb_nics, sizeof (libxl_device_nic));
keir@21408	1549 if (!res) {
keir@21408	1550 libxl_free(ctx, l);
keir@21408	1551 return NULL;
keir@21408	1552 }
keir@21408	1553 nics = res;
keir@21408	1554 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
keir@21408	1555 nic_path_fe = libxl_sprintf(ctx, "%s/device/vif/%s", dompath, *l);
keir@21408	1556
keir@21408	1557 nics->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1558 libxl_sprintf(ctx, "%s/backend", nic_path_fe));
keir@21408	1559 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", nic_path_fe));
keir@21408	1560 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1561
keir@21408	1562 nics->devid = strtoul(*l, NULL, 10);
keir@21408	1563 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", nic_path_fe));
keir@21408	1564 nics->state = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1565 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", nic_path_fe));
keir@21408	1566 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408	1567 ++i, tok = strtok(NULL, ":")) {
keir@21408	1568 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408	1569 }
keir@21408	1570 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", nic_path_fe));
keir@21408	1571 nics->evtch = val ? strtol(val, NULL, 10) : -1;
keir@21408	1572 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/tx-ring-ref", nic_path_fe));
keir@21408	1573 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1574 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/rx-ring-ref", nic_path_fe));
keir@21408	1575 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1576 nics->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1577 libxl_sprintf(ctx, "%s/frontend", nics->backend));
keir@21408	1578 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", nics->backend));
keir@21408	1579 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1580 nics->script = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1581 libxl_sprintf(ctx, "%s/script", nics->backend));
keir@21408	1582
keir@21408	1583 libxl_free(ctx, nic_path_fe);
keir@21408	1584 }
keir@21408	1585
keir@21408	1586 libxl_free(ctx, l);
keir@21408	1587 return res;
keir@21408	1588 }
keir@21408	1589
keir@21408	1590
keir@20462	1591 /******************************************************************************/
keir@20509	1592 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1593 {
keir@20509	1594 flexarray_t *front;
keir@20509	1595 flexarray_t *back;
keir@20509	1596 unsigned int boffset = 0;
keir@20509	1597 unsigned int foffset = 0;
keir@20509	1598 libxl_device device;
keir@20509	1599
keir@20509	1600 if (console->build_state) {
keir@20509	1601 xs_transaction_t t;
keir@20509	1602 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1603 ents[0] = "console/port";
keir@20509	1604 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1605 ents[2] = "console/ring-ref";
keir@20509	1606 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1607 ents[4] = "console/limit";
keir@20509	1608 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1609 ents[6] = "console/type";
keir@20509	1610 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1611 ents[7] = "xenconsoled";
keir@20509	1612 else
keir@20509	1613 ents[7] = "ioemu";
keir@20509	1614 retry_transaction:
keir@20509	1615 t = xs_transaction_start(ctx->xsh);
keir@20516	1616 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1617 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1618 if (errno == EAGAIN)
keir@20509	1619 goto retry_transaction;
keir@20509	1620 }
keir@20509	1621
keir@20509	1622 front = flexarray_make(16, 1);
keir@20509	1623 if (!front)
keir@20509	1624 return ERROR_NOMEM;
keir@20509	1625 back = flexarray_make(16, 1);
keir@20509	1626 if (!back)
keir@20509	1627 return ERROR_NOMEM;
keir@20509	1628
keir@20509	1629 device.backend_devid = console->devid;
keir@20509	1630 device.backend_domid = console->backend_domid;
keir@20509	1631 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1632 device.devid = console->devid;
keir@20509	1633 device.domid = console->domid;
keir@20509	1634 device.kind = DEVICE_CONSOLE;
keir@20509	1635
keir@20516	1636 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1637 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1638 flexarray_set(back, boffset++, "online");
keir@20516	1639 flexarray_set(back, boffset++, "1");
keir@20516	1640 flexarray_set(back, boffset++, "state");
keir@20509	1641 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1642 flexarray_set(back, boffset++, "domain");
keir@20516	1643 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1644 flexarray_set(back, boffset++, "protocol");
keir@20516	1645 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1646
keir@20516	1647 flexarray_set(front, foffset++, "backend-id");
keir@20509	1648 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1649 flexarray_set(front, foffset++, "state");
keir@20509	1650 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1651 flexarray_set(front, foffset++, "limit");
keir@20509	1652 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1653 flexarray_set(front, foffset++, "protocol");
keir@20516	1654 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1655 flexarray_set(front, foffset++, "type");
keir@20509	1656 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1657 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1658 else
keir@20516	1659 flexarray_set(front, foffset++, "ioemu");
keir@20509	1660
keir@20509	1661 libxl_device_generic_add(ctx, &device,
keir@20509	1662 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1663 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1664 flexarray_free(back);
keir@20516	1665 flexarray_free(front);
keir@20509	1666
keir@20509	1667 return 0;
keir@20509	1668 }
keir@20509	1669
keir@20509	1670 /******************************************************************************/
keir@20509	1671 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1672 {
keir@20509	1673 flexarray_t *front;
keir@20509	1674 flexarray_t *back;
keir@20509	1675 unsigned int boffset = 0;
keir@20509	1676 unsigned int foffset = 0;
keir@20509	1677 libxl_device device;
keir@20509	1678
keir@20509	1679 front = flexarray_make(16, 1);
keir@20509	1680 if (!front)
keir@20509	1681 return ERROR_NOMEM;
keir@20509	1682 back = flexarray_make(16, 1);
keir@20509	1683 if (!back)
keir@20509	1684 return ERROR_NOMEM;
keir@20509	1685
keir@20509	1686 device.backend_devid = vkb->devid;
keir@20509	1687 device.backend_domid = vkb->backend_domid;
keir@20509	1688 device.backend_kind = DEVICE_VKBD;
keir@20509	1689 device.devid = vkb->devid;
keir@20509	1690 device.domid = vkb->domid;
keir@20509	1691 device.kind = DEVICE_VKBD;
keir@20509	1692
keir@20516	1693 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1694 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1695 flexarray_set(back, boffset++, "online");
keir@20516	1696 flexarray_set(back, boffset++, "1");
keir@20516	1697 flexarray_set(back, boffset++, "state");
keir@20509	1698 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1699 flexarray_set(back, boffset++, "domain");
keir@20516	1700 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	1701
keir@20516	1702 flexarray_set(front, foffset++, "backend-id");
keir@20509	1703 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	1704 flexarray_set(front, foffset++, "state");
keir@20509	1705 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1706
keir@20509	1707 libxl_device_generic_add(ctx, &device,
keir@20509	1708 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1709 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1710 flexarray_free(back);
keir@20516	1711 flexarray_free(front);
keir@20509	1712
keir@20509	1713 return 0;
keir@20462	1714 }
keir@20462	1715
keir@20462	1716 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1717 {
keir@20462	1718 return ERROR_NI;
keir@20462	1719 }
keir@20462	1720
keir@20462	1721 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1722 {
keir@20462	1723 return ERROR_NI;
keir@20462	1724 }
keir@20462	1725
keir@20637	1726 libxl_device_disk libxl_device_disk_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20637	1727 {
keir@20637	1728 char be_path_tap, be_path_vbd;
keir@21411	1729 libxl_device_disk dend, disks, *ret = NULL;
keir@21411	1730 char b, l = NULL;
keir@20637	1731 unsigned int numl;
keir@20637	1732 char *type;
keir@20637	1733
keir@20637	1734 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	1735 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	1736
keir@21411	1737 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637	1738 if (l) {
keir@21411	1739 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411	1740 disks = ret;
keir@21411	1741 *num = numl;
keir@21411	1742 dend = ret + *num;
keir@21411	1743 for (; disks < dend; ++disks, ++l) {
keir@21411	1744 disks->backend_domid = 0;
keir@21411	1745 disks->domid = domid;
keir@21411	1746 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, *l));
keir@21411	1747 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_vbd, *l)), &(disks->phystype));
keir@21411	1748 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, *l));
keir@21411	1749 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, *l)));
keir@21411	1750 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411	1751 disks->readwrite = 1;
keir@20637	1752 else
keir@21411	1753 disks->readwrite = 0;
keir@21411	1754 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, *l))));
keir@21411	1755 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	1756 }
keir@21411	1757 libxl_free(ctx, b);
keir@20637	1758 }
keir@21411	1759 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637	1760 if (l) {
keir@21411	1761 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411	1762 disks = ret + *num;
keir@21411	1763 *num += numl;
keir@21411	1764 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411	1765 disks->backend_domid = 0;
keir@21411	1766 disks->domid = domid;
keir@21411	1767 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, *l));
keir@21411	1768 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_tap, *l)), &(disks->phystype));
keir@21411	1769 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, *l));
keir@21411	1770 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, *l)));
keir@21411	1771 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411	1772 disks->readwrite = 1;
keir@20637	1773 else
keir@21411	1774 disks->readwrite = 0;
keir@21411	1775 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_tap, *l))));
keir@21411	1776 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	1777 }
keir@21411	1778 libxl_free(ctx, b);
keir@20637	1779 }
keir@21411	1780 return ret;
keir@21411	1781 }
keir@21411	1782
keir@21411	1783 int libxl_device_disk_getinfo(struct libxl_ctx *ctx, uint32_t domid,
keir@21411	1784 libxl_device_disk disk, libxl_diskinfo diskinfo)
keir@21411	1785 {
keir@21411	1786 char dompath, diskpath;
keir@21411	1787 char *val;
keir@21411	1788
keir@21411	1789 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21411	1790 diskinfo->devid = device_disk_dev_number(disk->virtpath);
keir@21411	1791
keir@21411	1792 /* tap devices entries in xenstore are written as vbd devices. */
keir@21411	1793 diskpath = libxl_sprintf(ctx, "%s/device/vbd/%d", dompath, diskinfo->devid);
keir@21411	1794 diskinfo->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	1795 libxl_sprintf(ctx, "%s/backend", diskpath));
keir@21411	1796 if (!diskinfo->backend) {
keir@21411	1797 return ERROR_FAIL;
keir@21411	1798 }
keir@21411	1799 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", diskpath));
keir@21411	1800 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1801 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", diskpath));
keir@21411	1802 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1803 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", diskpath));
keir@21411	1804 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1805 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/ring-ref", diskpath));
keir@21411	1806 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1807 diskinfo->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	1808 libxl_sprintf(ctx, "%s/frontend", diskinfo->backend));
keir@21411	1809 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", diskinfo->backend));
keir@21411	1810 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1811
keir@21411	1812 return 0;
keir@20637	1813 }
keir@20637	1814
keir@20637	1815 int libxl_cdrom_insert(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20637	1816 {
keir@20637	1817 int num, i;
keir@20637	1818 uint32_t stubdomid;
keir@20637	1819 libxl_device_disk *disks;
keir@20637	1820
keir@20637	1821 if (!disk->physpath) {
keir@20637	1822 disk->physpath = "";
keir@20637	1823 disk->phystype = PHYSTYPE_PHY;
keir@20637	1824 }
keir@20637	1825 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637	1826 for (i = 0; i < num; i++) {
keir@20637	1827 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637	1828 /* found */
keir@20637	1829 break;
keir@20637	1830 }
keir@20637	1831 if (i == num) {
keir@20637	1832 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637	1833 return -1;
keir@20637	1834 }
keir@20637	1835 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637	1836 libxl_device_disk_add(ctx, domid, disk);
keir@20637	1837 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637	1838 if (stubdomid) {
keir@20781	1839 disks[i].domid = stubdomid;
keir@20637	1840 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781	1841 disk->domid = stubdomid;
keir@20637	1842 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781	1843 disk->domid = domid;
keir@20637	1844 }
keir@20637	1845 return 0;
keir@20637	1846 }
keir@20637	1847
keir@20462	1848 /******************************************************************************/
keir@20509	1849 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	1850 libxl_device_vfb *vfb,
keir@20509	1851 int num_console,
keir@20509	1852 libxl_device_console *console,
keir@20860	1853 libxl_device_model_info *info)
keir@20860	1854 {
keir@20509	1855 int i = 0, j = 0, num = 0;
keir@20509	1856 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	1857
keir@20509	1858 info->vnc = vfb->vnc;
keir@20509	1859 if (vfb->vnclisten)
keir@20509	1860 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509	1861 info->vncdisplay = vfb->vncdisplay;
keir@20509	1862 info->vncunused = vfb->vncunused;
keir@21362	1863 if (vfb->vncpasswd)
keir@21362	1864 info->vncpasswd = vfb->vncpasswd;
keir@20509	1865 if (vfb->keymap)
keir@20509	1866 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509	1867 info->sdl = vfb->sdl;
keir@20509	1868 info->opengl = vfb->opengl;
keir@20509	1869 for (i = 0; i < num_console; i++) {
keir@20509	1870 if (console->constype == CONSTYPE_IOEMU)
keir@20509	1871 num++;
keir@20509	1872 }
keir@20509	1873 if (num > 0) {
keir@20860	1874 uint32_t guest_domid;
keir@20860	1875 if (libxl_is_stubdom(ctx, vfb->domid, &guest_domid)) {
keir@20599	1876 char *filename;
keir@20599	1877 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599	1878 libxl_create_logfile(ctx, name, &filename);
keir@20599	1879 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599	1880 free(filename);
keir@20599	1881 } else {
keir@20599	1882 info->serial = "pty";
keir@20599	1883 }
keir@20509	1884 num--;
keir@20509	1885 }
keir@20509	1886 if (num > 0) {
keir@20509	1887 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	1888 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	1889 info->extra[j] = "-serial";
keir@20509	1890 info->extra[j + 1] = "pty";
keir@20509	1891 }
keir@20509	1892 info->extra[j] = NULL;
keir@20509	1893 }
keir@20509	1894 info->domid = vfb->domid;
keir@20509	1895 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@21376	1896 info->device_model = libxl_abs_path(ctx, "qemu-dm", libxl_libexec_path());
keir@20509	1897 info->type = XENPV;
keir@20509	1898 return 0;
keir@20509	1899 }
keir@20509	1900
keir@20509	1901 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	1902 int num_console, libxl_device_console *console,
keir@20514	1903 struct libxl_device_model_starting **starting_r)
keir@20509	1904 {
keir@20509	1905 libxl_device_model_info info;
keir@20509	1906
keir@20509	1907 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	1908 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	1909 return 0;
keir@20509	1910 }
keir@20509	1911
keir@20509	1912 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1913 {
keir@20509	1914 flexarray_t *front;
keir@20509	1915 flexarray_t *back;
keir@20509	1916 unsigned int boffset = 0;
keir@20509	1917 unsigned int foffset = 0;
keir@20509	1918 libxl_device device;
keir@20509	1919
keir@20509	1920 front = flexarray_make(16, 1);
keir@20509	1921 if (!front)
keir@20509	1922 return ERROR_NOMEM;
keir@20509	1923 back = flexarray_make(16, 1);
keir@20509	1924 if (!back)
keir@20509	1925 return ERROR_NOMEM;
keir@20509	1926
keir@20509	1927 device.backend_devid = vfb->devid;
keir@20509	1928 device.backend_domid = vfb->backend_domid;
keir@20509	1929 device.backend_kind = DEVICE_VFB;
keir@20509	1930 device.devid = vfb->devid;
keir@20509	1931 device.domid = vfb->domid;
keir@20509	1932 device.kind = DEVICE_VFB;
keir@20509	1933
keir@20516	1934 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1935 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	1936 flexarray_set(back, boffset++, "online");
keir@20516	1937 flexarray_set(back, boffset++, "1");
keir@20516	1938 flexarray_set(back, boffset++, "state");
keir@20509	1939 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1940 flexarray_set(back, boffset++, "domain");
keir@20516	1941 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1942 flexarray_set(back, boffset++, "vnc");
keir@20509	1943 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	1944 flexarray_set(back, boffset++, "vnclisten");
keir@20516	1945 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362	1946 flexarray_set(back, boffset++, "vncpasswd");
keir@21362	1947 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516	1948 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	1949 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	1950 flexarray_set(back, boffset++, "vncunused");
keir@20509	1951 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	1952 flexarray_set(back, boffset++, "sdl");
keir@20509	1953 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	1954 flexarray_set(back, boffset++, "opengl");
keir@20509	1955 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	1956 if (vfb->xauthority) {
keir@20516	1957 flexarray_set(back, boffset++, "xauthority");
keir@20516	1958 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	1959 }
keir@20509	1960 if (vfb->display) {
keir@20516	1961 flexarray_set(back, boffset++, "display");
keir@20516	1962 flexarray_set(back, boffset++, vfb->display);
keir@20509	1963 }
keir@20509	1964
keir@20516	1965 flexarray_set(front, foffset++, "backend-id");
keir@20509	1966 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	1967 flexarray_set(front, foffset++, "state");
keir@20509	1968 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1969
keir@20509	1970 libxl_device_generic_add(ctx, &device,
keir@20509	1971 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1972 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	1973 flexarray_free(front);
keir@20509	1974 flexarray_free(back);
keir@20509	1975
keir@20509	1976 return 0;
keir@20462	1977 }
keir@20462	1978
keir@20462	1979 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1980 {
keir@20462	1981 return ERROR_NI;
keir@20462	1982 }
keir@20462	1983
keir@20462	1984 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1985 {
keir@20462	1986 return ERROR_NI;
keir@20462	1987 }
keir@20462	1988
keir@20462	1989 /******************************************************************************/
keir@20482	1990
keir@20482	1991 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	1992 unsigned int bus, unsigned int dev,
keir@20482	1993 unsigned int func, unsigned int vdevfn)
keir@20482	1994 {
keir@20482	1995 pcidev->domain = domain;
keir@20482	1996 pcidev->bus = bus;
keir@20482	1997 pcidev->dev = dev;
keir@20482	1998 pcidev->func = func;
keir@20482	1999 pcidev->vdevfn = vdevfn;
keir@20482	2000 return 0;
keir@20482	2001 }
keir@20482	2002
keir@20482	2003 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	2004 {
keir@20482	2005 flexarray_t *front;
keir@20482	2006 flexarray_t *back;
keir@20482	2007 unsigned int boffset = 0;
keir@20482	2008 unsigned int foffset = 0;
keir@20482	2009 libxl_device device;
keir@20482	2010 int i;
keir@20482	2011
keir@20482	2012 front = flexarray_make(16, 1);
keir@20482	2013 if (!front)
keir@20482	2014 return ERROR_NOMEM;
keir@20482	2015 back = flexarray_make(16, 1);
keir@20482	2016 if (!back)
keir@20482	2017 return ERROR_NOMEM;
keir@20482	2018
keir@20512	2019 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	2020
keir@20482	2021 /* add pci device */
keir@20482	2022 device.backend_devid = 0;
keir@20482	2023 device.backend_domid = 0;
keir@20482	2024 device.backend_kind = DEVICE_PCI;
keir@20482	2025 device.devid = 0;
keir@20482	2026 device.domid = domid;
keir@20482	2027 device.kind = DEVICE_PCI;
keir@20482	2028
keir@20516	2029 flexarray_set(back, boffset++, "frontend-id");
keir@20482	2030 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	2031 flexarray_set(back, boffset++, "online");
keir@20516	2032 flexarray_set(back, boffset++, "1");
keir@20516	2033 flexarray_set(back, boffset++, "state");
keir@20482	2034 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2035 flexarray_set(back, boffset++, "domain");
keir@20516	2036 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	2037 for (i = 0; i < num; i++) {
keir@20482	2038 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	2039 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2040 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	2041 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2042 if (pcidev->vdevfn) {
keir@20482	2043 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	2044 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2045 }
keir@20482	2046 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	2047 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2048 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	2049 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2050 }
keir@20516	2051 flexarray_set(back, boffset++, "num_devs");
keir@20482	2052 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	2053
keir@20516	2054 flexarray_set(front, foffset++, "backend-id");
keir@20482	2055 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	2056 flexarray_set(front, foffset++, "state");
keir@20482	2057 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2058
keir@20482	2059 libxl_device_generic_add(ctx, &device,
keir@20482	2060 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	2061 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	2062
keir@20482	2063 flexarray_free(back);
keir@20482	2064 flexarray_free(front);
keir@20482	2065 return 0;
keir@20482	2066 }
keir@20482	2067
keir@20482	2068 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2069 {
keir@20482	2070 flexarray_t *back;
keir@20482	2071 char num_devs, be_path;
keir@20482	2072 int num = 0;
keir@20482	2073 unsigned int boffset = 0;
keir@20482	2074 xs_transaction_t t;
keir@20482	2075
keir@20516	2076 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2077 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2078 if (!num_devs)
keir@20482	2079 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	2080
keir@20482	2081 if (!is_hvm(ctx, domid)) {
keir@20482	2082 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482	2083 return -1;
keir@20482	2084 }
keir@20482	2085
keir@20482	2086 back = flexarray_make(16, 1);
keir@20482	2087 if (!back)
keir@20482	2088 return ERROR_NOMEM;
keir@20482	2089
keir@20512	2090 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	2091 num = atoi(num_devs);
keir@20482	2092 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	2093 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2094 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	2095 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2096 if (pcidev->vdevfn) {
keir@20482	2097 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	2098 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2099 }
keir@20482	2100 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	2101 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2102 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	2103 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2104 flexarray_set(back, boffset++, "num_devs");
keir@20482	2105 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	2106 flexarray_set(back, boffset++, "state");
keir@20482	2107 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	2108
keir@20482	2109 retry_transaction:
keir@20482	2110 t = xs_transaction_start(ctx->xsh);
keir@20482	2111 libxl_xs_writev(ctx, t, be_path,
keir@20482	2112 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	2113 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2114 if (errno == EAGAIN)
keir@20482	2115 goto retry_transaction;
keir@20482	2116
keir@20482	2117 flexarray_free(back);
keir@20482	2118 return 0;
keir@20482	2119 }
keir@20482	2120
keir@20482	2121 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	2122 {
keir@20542	2123 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	2124 int num, i, j;
keir@20482	2125 xs_transaction_t t;
keir@20482	2126 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	2127
keir@20516	2128 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2129 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	2130 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	2131 if (!num_devs)
keir@20482	2132 return -1;
keir@20482	2133 num = atoi(num_devs);
keir@20482	2134
keir@20482	2135 if (!is_hvm(ctx, domid)) {
keir@20482	2136 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2137 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482	2138 return -1;
keir@20482	2139 }
keir@20482	2140 }
keir@20482	2141
keir@20482	2142 for (i = 0; i < num; i++) {
keir@20482	2143 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2144 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2145 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	2146 pcidev->dev == dev && pcidev->func == func) {
keir@20482	2147 break;
keir@20482	2148 }
keir@20482	2149 }
keir@20482	2150 if (i == num) {
keir@20512	2151 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482	2152 return -1;
keir@20482	2153 }
keir@20482	2154
keir@20482	2155 retry_transaction:
keir@20482	2156 t = xs_transaction_start(ctx->xsh);
keir@20542	2157 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	2158 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	2159 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2160 if (errno == EAGAIN)
keir@20482	2161 goto retry_transaction;
keir@20542	2162
keir@20542	2163 if (!is_hvm(ctx, domid)) {
keir@20542	2164 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2165 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542	2166 return -1;
keir@20542	2167 }
keir@20542	2168 }
keir@20542	2169
keir@20542	2170 retry_transaction2:
keir@20542	2171 t = xs_transaction_start(ctx->xsh);
keir@20542	2172 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	2173 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	2174 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	2175 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	2176 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	2177 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	2178 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	2179 for (j = i + 1; j < num; j++) {
keir@20542	2180 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	2181 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2182 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2183 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2184 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	2185 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2186 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2187 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2188 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	2189 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2190 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2191 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2192 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	2193 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2194 if (tmp) {
keir@20542	2195 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2196 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2197 }
keir@20542	2198 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	2199 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2200 if (tmp) {
keir@20542	2201 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2202 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2203 }
keir@20542	2204 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	2205 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2206 if (tmp) {
keir@20542	2207 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2208 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2209 }
keir@20542	2210 }
keir@20542	2211 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	2212 if (errno == EAGAIN)
keir@20542	2213 goto retry_transaction2;
keir@20542	2214
keir@20542	2215 if (num == 1) {
keir@20542	2216 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	2217 libxl_device_destroy(ctx, be_path, 1);
keir@20542	2218 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	2219 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	2220 return 0;
keir@20542	2221 }
keir@20542	2222
keir@20482	2223 return 0;
keir@20462	2224 }
keir@20462	2225
keir@20482	2226 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2227 {
keir@20779	2228 char *path;
keir@20482	2229 char state, vdevfn;
keir@20482	2230 int rc, hvm;
keir@20542	2231 int stubdomid = 0;
keir@20482	2232
keir@20482	2233 /* TODO: check if the device can be assigned */
keir@20482	2234
keir@20482	2235 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2236
keir@20779	2237 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2238 if (stubdomid != 0) {
keir@20542	2239 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2240 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	2241 }
keir@20542	2242
keir@20482	2243 hvm = is_hvm(ctx, domid);
keir@20482	2244 if (hvm) {
keir@20831	2245 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482	2246 return -1;
keir@20482	2247 }
keir@20779	2248 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2249 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2250 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2251 if (pcidev->vdevfn)
keir@20482	2252 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	2253 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	2254 else
keir@20482	2255 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2256 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2257 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2258 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20831	2259 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", NULL, NULL) < 0)
keir@20512	2260 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779	2261 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2262 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	2263 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779	2264 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2265 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2266 } else {
keir@20542	2267 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2268 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2269 FILE *f = fopen(sysfs_path, "r");
keir@20482	2270 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	2271 int irq = 0;
keir@20482	2272 int i;
keir@20482	2273
keir@20482	2274 if (f == NULL) {
keir@20512	2275 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2276 return -1;
keir@20482	2277 }
keir@20482	2278 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512	2279 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482	2280 size = end - start + 1;
keir@20482	2281 if (start) {
keir@20482	2282 if (flags & PCI_BAR_IO) {
keir@20482	2283 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482	2284 if (rc < 0)
keir@20512	2285 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	2286 } else {
keir@20482	2287 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2288 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482	2289 if (rc < 0)
keir@20512	2290 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	2291 }
keir@20482	2292 }
keir@20482	2293 }
keir@20482	2294 fclose(f);
keir@20542	2295 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2296 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2297 f = fopen(sysfs_path, "r");
keir@20482	2298 if (f == NULL) {
keir@20512	2299 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2300 goto out;
keir@20482	2301 }
keir@20482	2302 fscanf(f, "%u", &irq);
keir@20482	2303 if (irq) {
keir@20482	2304 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	2305 if (rc < 0) {
keir@20512	2306 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482	2307 }
keir@20482	2308 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	2309 if (rc < 0) {
keir@20512	2310 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482	2311 }
keir@20482	2312 }
keir@20482	2313 fclose(f);
keir@20482	2314 }
keir@20482	2315 out:
keir@20860	2316 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2317 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779	2318 if (rc < 0)
keir@20542	2319 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542	2320 }
keir@20482	2321
keir@20482	2322 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	2323 return 0;
keir@20462	2324 }
keir@20462	2325
keir@20482	2326 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2327 {
keir@20779	2328 char *path;
keir@20482	2329 char *state;
keir@20482	2330 int hvm, rc;
keir@20542	2331 int stubdomid = 0;
keir@20482	2332
keir@20482	2333 /* TODO: check if the device can be detached */
keir@20542	2334 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	2335
keir@20482	2336 hvm = is_hvm(ctx, domid);
keir@20482	2337 if (hvm) {
keir@20831	2338 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482	2339 return -1;
keir@20482	2340 }
keir@20779	2341 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2342 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2343 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2344 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2345 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2346 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2347 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20831	2348 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
keir@20512	2349 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	2350 return -1;
keir@20482	2351 }
keir@20779	2352 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2353 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2354 } else {
keir@20542	2355 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2356 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2357 FILE *f = fopen(sysfs_path, "r");
keir@20482	2358 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	2359 int irq = 0;
keir@20482	2360 int i;
keir@20482	2361
keir@20482	2362 if (f == NULL) {
keir@20512	2363 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2364 goto skip1;
keir@20482	2365 }
keir@20482	2366 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482	2367 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482	2368 size = end - start + 1;
keir@20482	2369 if (start) {
keir@20482	2370 if (flags & PCI_BAR_IO) {
keir@20482	2371 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	2372 if (rc < 0)
keir@20512	2373 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	2374 } else {
keir@20482	2375 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2376 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	2377 if (rc < 0)
keir@20512	2378 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	2379 }
keir@20482	2380 }
keir@20482	2381 }
keir@20482	2382 fclose(f);
keir@20482	2383 skip1:
keir@20542	2384 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2385 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2386 f = fopen(sysfs_path, "r");
keir@20482	2387 if (f == NULL) {
keir@20512	2388 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2389 goto out;
keir@20482	2390 }
keir@20482	2391 fscanf(f, "%u", &irq);
keir@20482	2392 if (irq) {
keir@20482	2393 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	2394 if (rc < 0) {
keir@20512	2395 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	2396 }
keir@20482	2397 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	2398 if (rc < 0) {
keir@20512	2399 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	2400 }
keir@20482	2401 }
keir@20482	2402 fclose(f);
keir@20482	2403 }
keir@20482	2404 out:
keir@20482	2405 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2406
keir@20860	2407 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2408 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779	2409 if (rc < 0)
keir@20542	2410 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	2411 }
keir@20542	2412
keir@20779	2413 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2414 if (stubdomid != 0) {
keir@20542	2415 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2416 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	2417 }
keir@20542	2418
keir@20482	2419 return 0;
keir@20462	2420 }
keir@20482	2421
keir@20482	2422 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	2423 {
keir@20482	2424 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	2425 int n, i;
keir@20482	2426 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	2427 libxl_device_pci *pcidevs;
keir@20482	2428
keir@20516	2429 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2430 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2431 if (!num_devs) {
keir@20482	2432 *num = 0;
keir@20482	2433 return NULL;
keir@20482	2434 }
keir@20482	2435 n = atoi(num_devs);
keir@20779	2436 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482	2437 *num = n;
keir@20482	2438
keir@20482	2439 for (i = 0; i < n; i++) {
keir@20482	2440 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2441 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2442 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	2443 if (xsvdevfn)
keir@20482	2444 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	2445 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	2446 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	2447 if (xsopts) {
keir@20482	2448 char *saveptr;
keir@20482	2449 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	2450 do {
keir@20482	2451 while (*p == ' ')
keir@20482	2452 p++;
keir@20482	2453 if (!strcmp(p, "msitranslate")) {
keir@20482	2454 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2455 pcidevs[i].msitranslate = atoi(p);
keir@20482	2456 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	2457 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2458 pcidevs[i].power_mgmt = atoi(p);
keir@20482	2459 }
keir@20482	2460 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	2461 }
keir@20482	2462 }
keir@20482	2463 return pcidevs;
keir@20482	2464 }
keir@20482	2465
keir@20482	2466 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	2467 {
keir@20482	2468 libxl_device_pci *pcidevs;
keir@20482	2469 int num, i;
keir@20482	2470
keir@20482	2471 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	2472 for (i = 0; i < num; i++) {
keir@20482	2473 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482	2474 return -1;
keir@20482	2475 }
keir@20516	2476 free(pcidevs);
keir@20482	2477 return 0;
keir@20482	2478 }
keir@20482	2479
keir@21404	2480 int libxl_domain_setmaxmem(struct libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404	2481 {
keir@21404	2482 char mem, endptr;
keir@21404	2483 uint32_t memorykb;
keir@21404	2484 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21404	2485
keir@21404	2486 mem = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath));
keir@21404	2487 if (!mem) {
keir@21404	2488 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
keir@21404	2489 return 1;
keir@21404	2490 }
keir@21404	2491 memorykb = strtoul(mem, &endptr, 10);
keir@21404	2492 if (*endptr != '\0') {
keir@21404	2493 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
keir@21404	2494 return 1;
keir@21404	2495 }
keir@21404	2496
keir@21404	2497 if (max_memkb < memorykb) {
keir@21404	2498 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
keir@21404	2499 return 1;
keir@21404	2500 }
keir@21404	2501
keir@21404	2502 if (domid != 0)
keir@21404	2503 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath), "%lu", max_memkb);
keir@21404	2504
keir@21422	2505 return 0;
keir@21404	2506 }
keir@21404	2507
keir@21422	2508 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb, int enforce)
keir@20647	2509 {
keir@20647	2510 int rc = 0;
keir@21422	2511 uint32_t memorykb = 0, videoram = 0;
keir@21405	2512 char memmax, endptr, *videoram_s = NULL;
keir@20647	2513 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21374	2514 xc_domaininfo_t info;
keir@21374	2515 struct libxl_dominfo ptr;
keir@21374	2516 char *uuid;
keir@20542	2517
keir@21405	2518 if (domid) {
keir@21405	2519 memmax = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath));
keir@21405	2520 if (!memmax) {
keir@21405	2521 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2522 "cannot get memory info from %s/memory/static-max\n", dompath);
keir@21405	2523 return 1;
keir@21405	2524 }
keir@21405	2525 memorykb = strtoul(memmax, &endptr, 10);
keir@21405	2526 if (*endptr != '\0') {
keir@21405	2527 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2528 "invalid max memory %s from %s/memory/static-max\n", memmax, dompath);
keir@21405	2529 return 1;
keir@21405	2530 }
keir@21405	2531
keir@21405	2532 if (target_memkb > memorykb) {
keir@21405	2533 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2534 "memory_dynamic_max must be less than or equal to memory_static_max\n");
keir@21405	2535 return 1;
keir@21405	2536 }
keir@21405	2537 }
keir@21405	2538
keir@20647	2539 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@21314	2540 videoram = videoram_s ? atoi(videoram_s) : 0;
keir@20647	2541
keir@20647	2542 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@21374	2543
keir@21374	2544 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
keir@21374	2545 if (rc != 1 \|\| info.domain != domid)
keir@21374	2546 return rc;
keir@21374	2547 xcinfo2xlinfo(&info, &ptr);
keir@21374	2548 uuid = libxl_uuid2string(ctx, ptr.uuid);
keir@21374	2549 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/vm/%s/memory", uuid), "%lu", target_memkb / 1024);
keir@21374	2550
keir@21422	2551 if (enforce \|\| !domid)
keir@21422	2552 memorykb = target_memkb;
keir@21422	2553 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb + LIBXL_MAXMEM_CONSTANT);
keir@21422	2554 if (rc != 0)
keir@21422	2555 return rc;
keir@20647	2556 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647	2557 return rc;
keir@20647	2558 }
keir@20875	2559
keir@20875	2560 int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875	2561 {
keir@20875	2562 int rc = -1;
keir@20875	2563
keir@20875	2564 switch (button) {
keir@20875	2565 case POWER_BUTTON:
keir@20875	2566 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875	2567 break;
keir@20875	2568 case SLEEP_BUTTON:
keir@20875	2569 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875	2570 break;
keir@20875	2571 default:
keir@20875	2572 break;
keir@20875	2573 }
keir@20875	2574
keir@20875	2575 return rc;
keir@20875	2576 }
keir@21141	2577
keir@21141	2578 int libxl_get_physinfo(struct libxl_ctx ctx, struct libxl_physinfo physinfo)
keir@21141	2579 {
keir@21141	2580 xc_physinfo_t xcphysinfo = { 0 };
keir@21141	2581 int rc;
keir@21141	2582
keir@21141	2583 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141	2584 if (rc != 0) {
keir@21141	2585 return rc;
keir@21141	2586 }
keir@21141	2587 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141	2588 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142	2589 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141	2590 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141	2591 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141	2592 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141	2593 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141	2594 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264	2595 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264	2596 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264	2597 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264	2598
keir@21141	2599 return 0;
keir@21141	2600 }
keir@21141	2601
keir@21266	2602 const libxl_version_info* libxl_get_version_info(struct libxl_ctx *ctx)
keir@21266	2603 {
keir@21266	2604 union {
keir@21266	2605 xen_extraversion_t xen_extra;
keir@21266	2606 xen_compile_info_t xen_cc;
keir@21266	2607 xen_changeset_info_t xen_chgset;
keir@21266	2608 xen_capabilities_info_t xen_caps;
keir@21266	2609 xen_platform_parameters_t p_parms;
keir@21266	2610 xen_commandline_t xen_commandline;
keir@21266	2611 } u;
keir@21266	2612 long xen_version;
keir@21266	2613 libxl_version_info *info = &ctx->version_info;
keir@21266	2614
keir@21266	2615 if (info->xen_version_extra != NULL)
keir@21266	2616 return info;
keir@21266	2617
keir@21266	2618 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266	2619 info->xen_version_major = xen_version >> 16;
keir@21266	2620 info->xen_version_minor = xen_version & 0xFF;
keir@21266	2621 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
keir@21266	2622 info->xen_version_extra = libxl_sprintf(ctx, "%s", u.xen_extra);
keir@21266	2623
keir@21266	2624 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
keir@21266	2625 info->compiler = libxl_sprintf(ctx, "%s", u.xen_cc.compiler);
keir@21266	2626 info->compile_by = libxl_sprintf(ctx, "%s", u.xen_cc.compile_by);
keir@21266	2627 info->compile_domain = libxl_sprintf(ctx, "%s", u.xen_cc.compile_domain);
keir@21266	2628 info->compile_date = libxl_sprintf(ctx, "%s", u.xen_cc.compile_date);
keir@21266	2629
keir@21266	2630 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
keir@21266	2631 info->capabilities = libxl_sprintf(ctx, "%s", u.xen_caps);
keir@21266	2632
keir@21266	2633 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
keir@21266	2634 info->changeset = libxl_sprintf(ctx, "%s", u.xen_chgset);
keir@21266	2635
keir@21266	2636 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266	2637 info->virt_start = u.p_parms.virt_start;
keir@21266	2638
keir@21266	2639 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266	2640
keir@21266	2641 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
keir@21266	2642 info->commandline = libxl_sprintf(ctx, "%s", u.xen_commandline);
keir@21266	2643
keir@21266	2644 return info;
keir@21266	2645 }
keir@21266	2646
keir@21141	2647 struct libxl_vcpuinfo libxl_list_vcpu(struct libxl_ctx ctx, uint32_t domid,
keir@21141	2648 int nb_vcpu, int cpusize)
keir@21141	2649 {
keir@21141	2650 struct libxl_vcpuinfo ptr, ret;
keir@21141	2651 xc_domaininfo_t domaininfo;
keir@21141	2652 xc_vcpuinfo_t vcpuinfo;
keir@21141	2653 xc_physinfo_t physinfo = { 0 };
keir@21141	2654
keir@21141	2655 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21141	2656 return NULL;
keir@21141	2657 }
keir@21141	2658 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
keir@21141	2659 return NULL;
keir@21141	2660 }
keir@21141	2661 *cpusize = physinfo.max_cpu_id + 1;
keir@21141	2662 ptr = libxl_calloc(ctx, domaininfo.max_vcpu_id + 1, sizeof (struct libxl_vcpuinfo));
keir@21141	2663 if (!ptr) {
keir@21141	2664 return NULL;
keir@21141	2665 }
keir@21141	2666
keir@21141	2667 ret = ptr;
keir@21141	2668 for (nb_vcpu = 0; nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
keir@21141	2669 ptr->cpumap = libxl_calloc(ctx, (*cpusize + 63) / 64, sizeof (uint64_t));
keir@21141	2670 if (!ptr->cpumap) {
keir@21141	2671 return NULL;
keir@21141	2672 }
keir@21141	2673 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
keir@21141	2674 return NULL;
keir@21141	2675 }
keir@21141	2676 if (xc_vcpu_getaffinity(ctx->xch, domid, nb_vcpu, ptr->cpumap, cpusize) == -1) {
keir@21141	2677 return NULL;
keir@21141	2678 }
keir@21141	2679 ptr->vcpuid = *nb_vcpu;
keir@21141	2680 ptr->cpu = vcpuinfo.cpu;
keir@21141	2681 ptr->online = !!vcpuinfo.online;
keir@21141	2682 ptr->blocked = !!vcpuinfo.blocked;
keir@21141	2683 ptr->running = !!vcpuinfo.running;
keir@21141	2684 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141	2685 }
keir@21141	2686 return ret;
keir@21141	2687 }
keir@21142	2688
keir@21142	2689 int libxl_set_vcpuaffinity(struct libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
keir@21142	2690 uint64_t *cpumap, int cpusize)
keir@21142	2691 {
keir@21142	2692 return (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, cpusize));
keir@21142	2693 }
keir@21143	2694
keir@21143	2695 int libxl_set_vcpucount(struct libxl_ctx *ctx, uint32_t domid, uint32_t count)
keir@21143	2696 {
keir@21143	2697 xc_domaininfo_t domaininfo;
keir@21143	2698 char *dompath;
keir@21143	2699 int i;
keir@21143	2700
keir@21143	2701 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21143	2702 return ERROR_FAIL;
keir@21143	2703 }
keir@21143	2704 if (!count \|\| ((domaininfo.max_vcpu_id + 1) < count)) {
keir@21143	2705 return ERROR_INVAL;
keir@21143	2706 }
keir@21143	2707 if (!(dompath = libxl_xs_get_dompath(ctx, domid)))
keir@21143	2708 return ERROR_FAIL;
keir@21143	2709
keir@21143	2710 for (i = 0; i <= domaininfo.max_vcpu_id; ++i) {
keir@21143	2711 libxl_xs_write(ctx, XBT_NULL,
keir@21143	2712 libxl_sprintf(ctx, "%s/cpu/%u/availability", dompath, i),
keir@21143	2713 "%s", ((1 << i) & ((1 << count) - 1)) ? "online" : "offline");
keir@21143	2714 }
keir@21143	2715 return 0;
keir@21143	2716 }
keir@21265	2717
keir@21265	2718 /*
keir@21265	2719 * returns one of the XEN_SCHEDULER_* constants from public/domctl.h
keir@21265	2720 * or -1 if an error occured.
keir@21265	2721 */
keir@21265	2722 int libxl_get_sched_id(struct libxl_ctx *ctx)
keir@21265	2723 {
keir@21265	2724 int sched, ret;
keir@21265	2725
keir@21265	2726 if ((ret = xc_sched_id(ctx->xch, &sched)) != 0)
keir@21265	2727 return ret;
keir@21265	2728 return sched;
keir@21265	2729 }
keir@21292	2730
keir@21292	2731 int libxl_sched_credit_domain_get(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	2732 {
keir@21292	2733 struct xen_domctl_sched_credit sdom;
keir@21292	2734 int rc;
keir@21292	2735
keir@21292	2736 rc = xc_sched_credit_domain_get(ctx->xch, domid, &sdom);
keir@21292	2737 if (rc != 0)
keir@21292	2738 return rc;
keir@21292	2739
keir@21292	2740 scinfo->weight = sdom.weight;
keir@21292	2741 scinfo->cap = sdom.cap;
keir@21292	2742
keir@21292	2743 return 0;
keir@21292	2744 }
keir@21292	2745
keir@21292	2746 int libxl_sched_credit_domain_set(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	2747 {
keir@21292	2748 struct xen_domctl_sched_credit sdom;
keir@21292	2749 xc_domaininfo_t domaininfo;
keir@21292	2750 int rc;
keir@21292	2751
keir@21292	2752 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo);
keir@21292	2753 if (rc != 1 \|\| domaininfo.domain != domid)
keir@21292	2754 return rc;
keir@21292	2755
keir@21292	2756
keir@21292	2757 if (scinfo->weight < 1 \|\| scinfo->weight > 65535) {
keir@21292	2758 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	2759 "Cpu weight out of range, valid values are within range from 1 to 65535");
keir@21292	2760 return -1;
keir@21292	2761 }
keir@21292	2762
keir@21292	2763 if (scinfo->cap < 0 \|\| scinfo->cap > (domaininfo.max_vcpu_id + 1) * 100) {
keir@21292	2764 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	2765 "Cpu cap out of range, valid range is from 0 to %d for specified number of vcpus",
keir@21292	2766 ((domaininfo.max_vcpu_id + 1) * 100));
keir@21292	2767 return -1;
keir@21292	2768 }
keir@21292	2769
keir@21292	2770 sdom.weight = scinfo->weight;
keir@21292	2771 sdom.cap = scinfo->cap;
keir@21292	2772
keir@21292	2773 rc = xc_sched_credit_domain_set(ctx->xch, domid, &sdom);
keir@21292	2774 if (rc != 0)
keir@21292	2775 return rc;
keir@21292	2776
keir@21292	2777 return 0;
keir@21292	2778 }
keir@21292	2779
keir@21393	2780 static int trigger_type_from_string(char *trigger_name)
keir@21393	2781 {
keir@21393	2782 if (!strcmp(trigger_name, "nmi"))
keir@21393	2783 return XEN_DOMCTL_SENDTRIGGER_NMI;
keir@21393	2784 else if (!strcmp(trigger_name, "reset"))
keir@21393	2785 return XEN_DOMCTL_SENDTRIGGER_RESET;
keir@21393	2786 else if (!strcmp(trigger_name, "init"))
keir@21393	2787 return XEN_DOMCTL_SENDTRIGGER_INIT;
keir@21393	2788 else if (!strcmp(trigger_name, "power"))
keir@21393	2789 return XEN_DOMCTL_SENDTRIGGER_POWER;
keir@21393	2790 else if (!strcmp(trigger_name, "sleep"))
keir@21393	2791 return XEN_DOMCTL_SENDTRIGGER_SLEEP;
keir@21393	2792 else
keir@21393	2793 return -1;
keir@21393	2794 }
keir@21393	2795
keir@21393	2796 int libxl_send_trigger(struct libxl_ctx ctx, uint32_t domid, char trigger_name, uint32_t vcpuid)
keir@21393	2797 {
keir@21393	2798 int rc = -1;
keir@21393	2799 int trigger_type = trigger_type_from_string(trigger_name);
keir@21393	2800
keir@21393	2801 if (trigger_type == -1) {
keir@21393	2802 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21393	2803 "Invalid trigger, valid triggers are <nmi\|reset\|init\|power\|sleep>");
keir@21393	2804 return -1;
keir@21393	2805 }
keir@21393	2806
keir@21393	2807 rc = xc_domain_send_trigger(ctx->xch, domid, trigger_type, vcpuid);
keir@21393	2808 if (rc != 0)
keir@21393	2809 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21393	2810 "Send trigger '%s' failed", trigger_name);
keir@21393	2811
keir@21393	2812 return rc;
keir@21393	2813 }
keir@21402	2814
keir@21402	2815 int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq)
keir@21402	2816 {
keir@21402	2817 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21402	2818
keir@21402	2819 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/control/sysrq", dompath), "%c", sysrq);
keir@21402	2820
keir@21402	2821 return 0;
keir@21402	2822 }
keir@21402	2823
keir@21425	2824 uint32_t libxl_vm_get_start_time(struct libxl_ctx *ctx, uint32_t domid)
keir@21425	2825 {
keir@21425	2826 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21425	2827 char vm_path, start_time;
keir@21425	2828
keir@21425	2829 vm_path = libxl_xs_read(
keir@21425	2830 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vm", dompath));
keir@21425	2831 start_time = libxl_xs_read(
keir@21425	2832 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/start_time", vm_path));
keir@21425	2833 if (start_time == NULL) {
keir@21425	2834 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21425	2835 "Can't get start time of domain '%d'", domid);
keir@21425	2836 return -1;
keir@21425	2837 }
keir@21425	2838
keir@21425	2839 return strtoul(start_time, NULL, 10);
keir@21425	2840 }
keir@21425	2841