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

debuggers.hg

annotate tools/libxl/libxl.c @ 21274:49e3aa844902

xl: support oos domain parameter

Signed-off-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
Acked-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>

author	Keir Fraser <keir.fraser@citrix.com>
date	Fri Apr 23 08:39:29 2010 +0100 (2010-04-23)
parents	357a30e4c7cf
children	a167ea374f26

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