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

debuggers.hg

annotate tools/libxl/libxl.c @ 22285:606b0eb2caa7

libxl: remove xs_writev function

It isn't actually being used to write a vector at the only callsite
and can easily be implemented using xs_write.

Furthermore the old implementation used to leak both the key and value
strings.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
committer: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

author	Ian Campbell <ian.campbell@citrix.com>
date	Wed Oct 13 11:54:04 2010 +0100 (2010-10-13)
parents	368957d8b063
children	ffe0cdb77a7b

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>
zhigang@21941	23 #include <sys/stat.h>
keir@20462	24 #include <fcntl.h>
keir@20462	25 #include <sys/select.h>
keir@20514	26 #include <sys/wait.h>
ian@22032	27 #include <sys/time.h>
keir@20462	28 #include <signal.h>
keir@20468	29 #include <unistd.h> /* for write, unlink and close */
keir@20509	30 #include <stdint.h>
keir@20509	31 #include <inttypes.h>
keir@20514	32 #include <assert.h>
keir@20513	33
keir@20462	34 #include "libxl.h"
keir@20462	35 #include "libxl_utils.h"
keir@20462	36 #include "libxl_internal.h"
keir@20462	37 #include "flexarray.h"
keir@20462	38
keir@20860	39 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860	40
ian@21930	41 int libxl_ctx_init(libxl_ctx ctx, int version, xentoollog_logger lg)
keir@20462	42 {
keir@20788	43 if (version != LIBXL_VERSION)
keir@20788	44 return ERROR_VERSION;
ian@21930	45 memset(ctx, 0, sizeof(libxl_ctx));
keir@21532	46 ctx->lg = lg;
keir@21266	47 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462	48
keir@21532	49 ctx->xch = xc_interface_open(lg,lg,0);
keir@21529	50 if (!ctx->xch) {
ian@22165	51 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681	52 "cannot open libxc handle");
keir@20819	53 return ERROR_FAIL;
keir@20819	54 }
keir@20819	55
keir@20462	56 ctx->xsh = xs_daemon_open();
dgdegra@22118	57 if (!ctx->xsh)
dgdegra@22118	58 ctx->xsh = xs_domain_open();
keir@20819	59 if (!ctx->xsh) {
ian@22165	60 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681	61 "cannot connect to xenstore");
keir@20819	62 xc_interface_close(ctx->xch);
keir@20819	63 return ERROR_FAIL;
keir@20819	64 }
keir@20462	65 return 0;
keir@20462	66 }
keir@20462	67
ian@21930	68 int libxl_ctx_free(libxl_ctx *ctx)
keir@20462	69 {
gianni@22156	70 if (ctx->xch) xc_interface_close(ctx->xch);
ian@22084	71 libxl_version_info_destroy(&ctx->version_info);
keir@21186	72 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462	73 return 0;
keir@20462	74 }
keir@20462	75
ian@22124	76 void libxl_string_list_destroy(libxl_string_list *psl)
ian@22078	77 {
ian@22078	78 int i;
ian@22124	79 libxl_string_list sl = *psl;
ian@22078	80
ian@22078	81 if (!sl)
ian@22078	82 return;
ian@22078	83
ian@22078	84 for (i = 0; sl[i] != NULL; i++)
ian@22078	85 free(sl[i]);
ian@22078	86 free(sl);
ian@22078	87 }
ian@22078	88
ian@22124	89 void libxl_key_value_list_destroy(libxl_key_value_list *pkvl)
ian@22078	90 {
ian@22078	91 int i;
ian@22124	92 libxl_key_value_list kvl = *pkvl;
ian@22078	93
ian@22078	94 if (!kvl)
ian@22078	95 return;
ian@22078	96
ian@22078	97 for (i = 0; kvl[i] != NULL; i += 2) {
ian@22078	98 free(kvl[i]);
ian@22078	99 if (kvl[i + 1])
ian@22078	100 free(kvl[i + 1]);
ian@22078	101 }
ian@22078	102 free(kvl);
ian@22078	103 }
ian@22078	104
andre@22216	105 void libxl_cpuid_destroy(libxl_cpuid_policy_list *p_cpuid_list)
andre@22216	106 {
andre@22216	107 int i, j;
andre@22216	108 libxl_cpuid_policy_list cpuid_list = *p_cpuid_list;
andre@22216	109
andre@22216	110 if (cpuid_list == NULL)
andre@22216	111 return;
andre@22216	112 for (i = 0; cpuid_list[i].input[0] != XEN_CPUID_INPUT_UNUSED; i++) {
andre@22216	113 for (j = 0; j < 4; j++)
andre@22216	114 if (cpuid_list[i].policy[j] != NULL)
andre@22216	115 free(cpuid_list[i].policy[j]);
andre@22216	116 }
andre@22216	117 return;
andre@22216	118 }
andre@22216	119
keir@20462	120 /******************************************************************************/
keir@20462	121
ian@21930	122 int libxl_domain_make(libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	123 uint32_t *domid)
keir@20462	124 {
ian@22167	125 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21184	126 int flags, ret, i, rc;
keir@20468	127 char *uuid_string;
keir@20646	128 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462	129 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646	130 "control", "attr", "messages" };
ian@21894	131 char dom_path, vm_path;
keir@20462	132 struct xs_permissions roperm[2];
keir@20462	133 struct xs_permissions rwperm[1];
keir@20462	134 xs_transaction_t t;
keir@20468	135 xen_domain_handle_t handle;
keir@20462	136
ian@22164	137 uuid_string = libxl__uuid2string(&gc, info->uuid);
gianni@22023	138 if (!uuid_string) {
ian@22164	139 libxl__free_all(&gc);
gianni@22023	140 return ERROR_NOMEM;
gianni@22023	141 }
keir@20462	142
keir@20462	143 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462	144 flags \|= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@21274	145 flags \|= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824	146 *domid = -1;
keir@20462	147
keir@20580	148 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
gianni@22143	149 libxl_uuid_copy((libxl_uuid *)handle, &info->uuid);
keir@20468	150
keir@20468	151 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	152 if (ret < 0) {
ian@22165	153 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, ret, "domain creation fail");
ian@22164	154 libxl__free_all(&gc);
keir@20462	155 return ERROR_FAIL;
keir@20462	156 }
keir@20462	157
keir@21368	158 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368	159 if (ret < 0) {
ian@22165	160 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, ret, "domain move fail");
ian@22164	161 libxl__free_all(&gc);
keir@21368	162 return ERROR_FAIL;
keir@21368	163 }
keir@21368	164
ian@22164	165 dom_path = libxl__xs_get_dompath(&gc, *domid);
gianni@22023	166 if (!dom_path) {
ian@22164	167 libxl__free_all(&gc);
keir@20512	168 return ERROR_FAIL;
gianni@22023	169 }
gianni@22023	170
ian@22164	171 vm_path = libxl__sprintf(&gc, "/vm/%s", uuid_string);
ian@21894	172 if (!vm_path) {
ian@22165	173 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "cannot allocate create paths");
ian@22164	174 libxl__free_all(&gc);
keir@20462	175 return ERROR_FAIL;
keir@20462	176 }
keir@20462	177
keir@20462	178 roperm[0].id = 0;
keir@20462	179 roperm[0].perms = XS_PERM_NONE;
keir@20462	180 roperm[1].id = *domid;
keir@20462	181 roperm[1].perms = XS_PERM_READ;
keir@20462	182 rwperm[0].id = *domid;
keir@20462	183 rwperm[0].perms = XS_PERM_NONE;
keir@20462	184
keir@20462	185 retry_transaction:
keir@20462	186 t = xs_transaction_start(ctx->xsh);
keir@20462	187 xs_rm(ctx->xsh, t, dom_path);
keir@20462	188 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	189 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	190
keir@20462	191 xs_rm(ctx->xsh, t, vm_path);
keir@20462	192 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	193 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	194
ian@22164	195 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@21184	196 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
gianni@22023	197 if (rc) {
ian@22164	198 libxl__free_all(&gc);
gianni@22023	199 return rc;
gianni@22023	200 }
keir@20462	201
keir@20462	202 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
ian@22164	203 char *path = libxl__sprintf(&gc, "%s/%s", dom_path, rw_paths[i]);
keir@20462	204 xs_mkdir(ctx->xsh, t, path);
keir@20462	205 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	206 }
keir@20462	207 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
ian@22164	208 char *path = libxl__sprintf(&gc, "%s/%s", dom_path, ro_paths[i]);
keir@20462	209 xs_mkdir(ctx->xsh, t, path);
keir@20462	210 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	211 }
keir@20462	212
ian@22164	213 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
ian@22164	214 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389	215 if (info->poolname)
ian@22164	216 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
ian@22164	217
ian@22164	218 libxl__xs_writev(&gc, t, dom_path, info->xsdata);
ian@22164	219 libxl__xs_writev(&gc, t, libxl__sprintf(&gc, "%s/platform", dom_path), info->platformdata);
ian@22164	220
ian@22164	221 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	222
keir@20462	223 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	224 if (errno == EAGAIN)
keir@20462	225 goto retry_transaction;
gianni@22023	226
ian@22164	227 libxl__free_all(&gc);
keir@20462	228 return 0;
keir@20462	229 }
keir@20462	230
ian@21930	231 int libxl_domain_rename(libxl_ctx *ctx, uint32_t domid,
keir@21184	232 const char old_name, const char new_name,
gianni@22023	233 xs_transaction_t trans)
gianni@22023	234 {
ian@22167	235 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21184	236 char *dom_path = 0;
keir@21184	237 const char *name_path;
keir@21184	238 char *got_old_name;
keir@21184	239 unsigned int got_old_len;
keir@21184	240 xs_transaction_t our_trans = 0;
keir@21184	241 int rc;
keir@21184	242
ian@22164	243 dom_path = libxl__xs_get_dompath(&gc, domid);
keir@21184	244 if (!dom_path) goto x_nomem;
keir@21184	245
ian@22164	246 name_path= libxl__sprintf(&gc, "%s/name", dom_path);
keir@21184	247 if (!name_path) goto x_nomem;
keir@21184	248
keir@21184	249 retry_transaction:
keir@21184	250 if (!trans) {
keir@21184	251 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184	252 if (!our_trans) {
ian@22165	253 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21184	254 "create xs transaction for domain (re)name");
keir@21184	255 goto x_fail;
keir@21184	256 }
keir@21184	257 }
keir@21184	258
keir@21184	259 if (old_name) {
keir@21184	260 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184	261 if (!got_old_name) {
ian@22165	262 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno, "check old name"
keir@21184	263 " for domain %"PRIu32" allegedly named `%s'",
keir@21184	264 domid, old_name);
keir@21184	265 goto x_fail;
keir@21184	266 }
keir@21184	267 if (strcmp(old_name, got_old_name)) {
ian@22165	268 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184	269 "`%s' is actually named `%s' - racing ?",
keir@21184	270 domid, old_name, got_old_name);
keir@21184	271 free(got_old_name);
keir@21184	272 goto x_fail;
keir@21184	273 }
keir@21184	274 free(got_old_name);
keir@21184	275 }
keir@21184	276 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184	277 new_name, strlen(new_name))) {
ian@22165	278 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to write new name `%s'"
keir@21184	279 " for domain %"PRIu32" previously named `%s'",
keir@21531	280 new_name, domid, old_name);
keir@21184	281 goto x_fail;
keir@21184	282 }
keir@21184	283
keir@21184	284 if (our_trans) {
keir@21184	285 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184	286 trans = our_trans = 0;
keir@21184	287 if (errno != EAGAIN) {
ian@22165	288 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to commit new name `%s'"
keir@21184	289 " for domain %"PRIu32" previously named `%s'",
keir@21531	290 new_name, domid, old_name);
keir@21184	291 goto x_fail;
keir@21184	292 }
ian@22165	293 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "need to retry rename transaction"
keir@21184	294 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184	295 domid, name_path, new_name);
keir@21184	296 goto retry_transaction;
keir@21184	297 }
keir@21184	298 our_trans = 0;
keir@21184	299 }
keir@21184	300
keir@21184	301 rc = 0;
keir@21184	302 x_rc:
keir@21184	303 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
ian@22164	304 libxl__free_all(&gc);
keir@21184	305 return rc;
keir@21184	306
keir@21184	307 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184	308 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184	309 }
keir@21184	310
ian@21930	311 int libxl_domain_build(libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	312 {
ian@22167	313 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	314 char vments = NULL, localents = NULL;
keir@21438	315 struct timeval start_time;
keir@20829	316 int i, ret;
keir@20829	317
ian@22165	318 ret = libxl__build_pre(ctx, domid, info, state);
gianni@22023	319 if (ret)
gianni@22023	320 goto out;
keir@20462	321
keir@21438	322 gettimeofday(&start_time, NULL);
keir@21438	323
keir@20462	324 if (info->hvm) {
ian@22165	325 ret = libxl__build_hvm(ctx, domid, info, state);
gianni@22023	326 if (ret)
gianni@22023	327 goto out;
gianni@22023	328
ian@22164	329 vments = libxl__calloc(&gc, 7, sizeof(char *));
keir@20516	330 vments[0] = "rtc/timeoffset";
keir@20516	331 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	332 vments[2] = "image/ostype";
keir@20516	333 vments[3] = "hvm";
keir@21438	334 vments[4] = "start_time";
ian@22164	335 vments[5] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	336 } else {
ian@22165	337 ret = libxl__build_pv(ctx, domid, info, state);
gianni@22023	338 if (ret)
gianni@22023	339 goto out;
gianni@22023	340
ian@22164	341 vments = libxl__calloc(&gc, 11, sizeof(char *));
keir@20578	342 i = 0;
keir@20578	343 vments[i++] = "image/ostype";
keir@20578	344 vments[i++] = "linux";
keir@20578	345 vments[i++] = "image/kernel";
Ian@21848	346 vments[i++] = (char*) info->kernel.path;
keir@21438	347 vments[i++] = "start_time";
ian@22164	348 vments[i++] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848	349 if (info->u.pv.ramdisk.path) {
keir@20578	350 vments[i++] = "image/ramdisk";
Ian@21848	351 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20578	352 }
keir@20578	353 if (info->u.pv.cmdline) {
keir@20578	354 vments[i++] = "image/cmdline";
keir@20578	355 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578	356 }
keir@20462	357 }
ian@22165	358 ret = libxl__build_post(ctx, domid, info, state, vments, localents);
keir@20829	359 out:
ian@22082	360 libxl__file_reference_unmap(&info->kernel);
Ian@21848	361 if (!info->hvm)
ian@22082	362 libxl__file_reference_unmap(&info->u.pv.ramdisk);
Ian@21848	363
ian@22164	364 libxl__free_all(&gc);
keir@20829	365 return ret;
keir@20462	366 }
keir@20462	367
ian@21930	368 int libxl_domain_restore(libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	369 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	370 libxl_device_model_info *dm_info)
keir@20462	371 {
ian@22167	372 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	373 char vments = NULL, localents = NULL;
keir@21438	374 struct timeval start_time;
keir@21183	375 int i, ret, esave, flags;
keir@20462	376
ian@22165	377 ret = libxl__build_pre(ctx, domid, info, state);
gianni@22023	378 if (ret)
gianni@22023	379 goto out;
keir@20829	380
ian@22165	381 ret = libxl__domain_restore_common(ctx, domid, info, state, fd);
gianni@22023	382 if (ret)
gianni@22023	383 goto out;
keir@20829	384
keir@21438	385 gettimeofday(&start_time, NULL);
keir@21438	386
keir@20462	387 if (info->hvm) {
ian@22164	388 vments = libxl__calloc(&gc, 7, sizeof(char *));
keir@20516	389 vments[0] = "rtc/timeoffset";
keir@20516	390 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	391 vments[2] = "image/ostype";
keir@20565	392 vments[3] = "hvm";
keir@21438	393 vments[4] = "start_time";
ian@22164	394 vments[5] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	395 } else {
ian@22164	396 vments = libxl__calloc(&gc, 11, sizeof(char *));
keir@20627	397 i = 0;
keir@20627	398 vments[i++] = "image/ostype";
keir@20627	399 vments[i++] = "linux";
keir@20627	400 vments[i++] = "image/kernel";
Ian@21848	401 vments[i++] = (char*) info->kernel.path;
keir@21438	402 vments[i++] = "start_time";
ian@22164	403 vments[i++] = libxl__sprintf(&gc, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848	404 if (info->u.pv.ramdisk.path) {
keir@20627	405 vments[i++] = "image/ramdisk";
Ian@21848	406 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20627	407 }
keir@20627	408 if (info->u.pv.cmdline) {
keir@20627	409 vments[i++] = "image/cmdline";
keir@20627	410 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627	411 }
keir@20462	412 }
ian@22165	413 ret = libxl__build_post(ctx, domid, info, state, vments, localents);
gianni@22023	414 if (ret)
gianni@22023	415 goto out;
keir@20829	416
keir@21417	417 dm_info->saved_state = NULL;
keir@21417	418 if (info->hvm) {
keir@21417	419 ret = asprintf(&dm_info->saved_state,
keir@21417	420 "/var/lib/xen/qemu-save.%d", domid);
keir@21417	421 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417	422 }
keir@21417	423
keir@20829	424 out:
ian@22082	425 libxl__file_reference_unmap(&info->kernel);
Ian@21848	426 if (!info->hvm)
ian@22082	427 libxl__file_reference_unmap(&info->u.pv.ramdisk);
Ian@21848	428
keir@21183	429 esave = errno;
keir@21183	430
keir@21183	431 flags = fcntl(fd, F_GETFL);
keir@21183	432 if (flags == -1) {
ian@22165	433 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unable to get flags on restore fd");
keir@21183	434 } else {
keir@21183	435 flags &= ~O_NONBLOCK;
keir@21183	436 if (fcntl(fd, F_SETFL, flags) == -1)
ian@22165	437 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unable to put restore fd"
keir@21183	438 " back to blocking mode");
keir@21183	439 }
keir@21183	440
keir@21183	441 errno = esave;
ian@22164	442 libxl__free_all(&gc);
keir@20829	443 return ret;
keir@20462	444 }
keir@20462	445
ian@21930	446 int libxl_domain_resume(libxl_ctx *ctx, uint32_t domid)
keir@20629	447 {
ian@22167	448 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023	449 int rc = 0;
gianni@22023	450
ian@22165	451 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22165	452 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Called domain_resume on "
keir@20629	453 "non-cooperative hvm domain %u", domid);
gianni@22023	454 rc = ERROR_NI;
gianni@22023	455 goto out;
keir@20629	456 }
keir@20629	457 if (xc_domain_resume(ctx->xch, domid, 1)) {
ian@22165	458 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629	459 "xc_domain_resume failed for domain %u",
keir@20629	460 domid);
gianni@22023	461 rc = ERROR_FAIL;
gianni@22023	462 goto out;
keir@20629	463 }
keir@20629	464 if (!xs_resume_domain(ctx->xsh, domid)) {
ian@22165	465 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629	466 "xs_resume_domain failed for domain %u",
keir@20629	467 domid);
gianni@22023	468 rc = ERROR_FAIL;
keir@20629	469 }
gianni@22023	470 out:
ian@22164	471 libxl__free_all(&gc);
keir@20629	472 return 0;
keir@20629	473 }
keir@20629	474
ian@21920	475 /*
ian@21920	476 * Preserves a domain but rewrites xenstore etc to make it unique so
ian@21920	477 * that the domain can be restarted.
ian@21920	478 *
ian@21920	479 * Does not modify info so that it may be reused.
ian@21920	480 */
ian@21930	481 int libxl_domain_preserve(libxl_ctx *ctx, uint32_t domid,
Ian@21969	482 libxl_domain_create_info info, const char name_suffix, libxl_uuid new_uuid)
ian@21920	483 {
ian@22167	484 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21920	485 struct xs_permissions roperm[2];
ian@21920	486 xs_transaction_t t;
ian@21920	487 char *preserved_name;
ian@21920	488 char *uuid_string;
ian@21920	489 char *vm_path;
ian@21920	490 char *dom_path;
ian@21920	491
ian@21920	492 int rc;
ian@21920	493
ian@22164	494 preserved_name = libxl__sprintf(&gc, "%s%s", info->name, name_suffix);
gianni@22023	495 if (!preserved_name) {
ian@22164	496 libxl__free_all(&gc);
gianni@22023	497 return ERROR_NOMEM;
gianni@22023	498 }
ian@21920	499
ian@22164	500 uuid_string = libxl__uuid2string(&gc, new_uuid);
gianni@22023	501 if (!uuid_string) {
ian@22164	502 libxl__free_all(&gc);
gianni@22023	503 return ERROR_NOMEM;
gianni@22023	504 }
gianni@22023	505
ian@22164	506 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	507 if (!dom_path) {
ian@22164	508 libxl__free_all(&gc);
gianni@22023	509 return ERROR_FAIL;
gianni@22023	510 }
gianni@22023	511
ian@22164	512 vm_path = libxl__sprintf(&gc, "/vm/%s", uuid_string);
gianni@22023	513 if (!vm_path) {
ian@22164	514 libxl__free_all(&gc);
gianni@22023	515 return ERROR_FAIL;
gianni@22023	516 }
ian@21920	517
ian@21920	518 roperm[0].id = 0;
ian@21920	519 roperm[0].perms = XS_PERM_NONE;
ian@21920	520 roperm[1].id = domid;
ian@21920	521 roperm[1].perms = XS_PERM_READ;
ian@21920	522
ian@21920	523 retry_transaction:
ian@21920	524 t = xs_transaction_start(ctx->xsh);
ian@21920	525
ian@21920	526 xs_rm(ctx->xsh, t, vm_path);
ian@21920	527 xs_mkdir(ctx->xsh, t, vm_path);
ian@21920	528 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
ian@21920	529
ian@22164	530 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/vm", dom_path), vm_path, strlen(vm_path));
ian@21920	531 rc = libxl_domain_rename(ctx, domid, info->name, preserved_name, t);
ian@21920	532 if (rc) return rc;
ian@21920	533
ian@22164	534 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
ian@21920	535
ian@21920	536 if (!xs_transaction_end(ctx->xsh, t, 0))
ian@21920	537 if (errno == EAGAIN)
ian@21920	538 goto retry_transaction;
ian@21920	539
ian@22164	540 libxl__free_all(&gc);
ian@21920	541 return 0;
ian@21920	542 }
ian@21920	543
keir@21189	544 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
ian@21930	545 libxl_dominfo *xlinfo)
ian@21895	546 {
keir@21189	547 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189	548 xlinfo->domid = xcinfo->domain;
keir@21189	549
ian@21895	550 xlinfo->dying = !!(xcinfo->flags&XEN_DOMINF_dying);
ian@21895	551 xlinfo->shutdown = !!(xcinfo->flags&XEN_DOMINF_shutdown);
ian@21895	552 xlinfo->paused = !!(xcinfo->flags&XEN_DOMINF_paused);
ian@21895	553 xlinfo->blocked = !!(xcinfo->flags&XEN_DOMINF_blocked);
ian@21895	554 xlinfo->running = !!(xcinfo->flags&XEN_DOMINF_running);
ian@21914	555
ian@21914	556 if (xlinfo->shutdown \|\| xlinfo->dying)
ian@21914	557 xlinfo->shutdown_reason = (xcinfo->flags>>XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask;
ian@21914	558 else
ian@21914	559 xlinfo->shutdown_reason = ~0;
ian@21895	560
stefano@22241	561 xlinfo->current_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
stefano@22241	562 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->max_pages);
keir@21189	563 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189	564 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189	565 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189	566 }
keir@21189	567
ian@21930	568 libxl_dominfo * libxl_list_domain(libxl_ctx ctx, int nb_domain)
keir@20462	569 {
ian@21930	570 libxl_dominfo *ptr;
keir@20867	571 int i, ret;
keir@20822	572 xc_domaininfo_t info[1024];
keir@20822	573 int size = 1024;
keir@20462	574
ian@21930	575 ptr = calloc(size, sizeof(libxl_dominfo));
gianni@21892	576 if (!ptr) {
ian@22165	577 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating domain info");
gianni@21892	578 return NULL;
gianni@21892	579 }
keir@20822	580
keir@20860	581 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
gianni@21892	582 if (ret<0) {
ian@22165	583 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	584 return NULL;
gianni@21892	585 }
keir@20784	586
keir@21189	587 for (i = 0; i < ret; i++) {
keir@21189	588 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462	589 }
keir@20867	590 *nb_domain = ret;
keir@20462	591 return ptr;
keir@20462	592 }
keir@20462	593
ian@21930	594 int libxl_domain_info(libxl_ctx ctx, libxl_dominfo info_r,
keir@21189	595 uint32_t domid) {
keir@21189	596 xc_domaininfo_t xcinfo;
keir@21189	597 int ret;
keir@21189	598
keir@21189	599 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
gianni@21892	600 if (ret<0) {
ian@22165	601 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	602 return ERROR_FAIL;
gianni@21892	603 }
keir@21189	604 if (ret==0 \|\| xcinfo.domain != domid) return ERROR_INVAL;
keir@21189	605
keir@21189	606 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189	607 return 0;
keir@21189	608 }
keir@21189	609
ian@21930	610 libxl_poolinfo * libxl_list_pool(libxl_ctx ctx, int nb_pool)
keir@21368	611 {
ian@21930	612 libxl_poolinfo *ptr;
keir@21368	613 int i, ret;
keir@21368	614 xc_cpupoolinfo_t info[256];
keir@21368	615 int size = 256;
keir@21368	616
ian@21930	617 ptr = calloc(size, sizeof(libxl_poolinfo));
gianni@21892	618 if (!ptr) {
ian@22165	619 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating cpupool info");
gianni@21892	620 return NULL;
gianni@21892	621 }
keir@21368	622
keir@21368	623 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
gianni@21892	624 if (ret<0) {
ian@22165	625 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting cpupool info");
gianni@21892	626 return NULL;
gianni@21892	627 }
keir@21368	628
keir@21368	629 for (i = 0; i < ret; i++) {
keir@21368	630 ptr[i].poolid = info[i].cpupool_id;
keir@21368	631 }
keir@21368	632 *nb_pool = ret;
keir@21368	633 return ptr;
keir@21368	634 }
keir@21368	635
keir@20860	636 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
ian@21930	637 libxl_vminfo * libxl_list_vm(libxl_ctx ctx, int nb_vm)
keir@20860	638 {
ian@21930	639 libxl_vminfo *ptr;
keir@20860	640 int index, i, ret;
keir@20860	641 xc_domaininfo_t info[1024];
keir@20860	642 int size = 1024;
keir@20860	643
ian@21930	644 ptr = calloc(size, sizeof(libxl_dominfo));
keir@20860	645 if (!ptr)
keir@20860	646 return NULL;
keir@20860	647
keir@20860	648 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
gianni@21892	649 if (ret<0) {
ian@22165	650 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	651 return NULL;
gianni@21892	652 }
keir@20860	653 for (index = i = 0; i < ret; i++) {
keir@20860	654 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860	655 continue;
keir@20860	656 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860	657 ptr[index].domid = info[i].domain;
keir@20860	658
keir@20860	659 index++;
keir@20860	660 }
keir@20860	661 *nb_vm = index;
keir@20860	662 return ptr;
keir@20860	663 }
keir@20860	664
ian@21930	665 int libxl_domain_suspend(libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	666 uint32_t domid, int fd)
keir@20462	667 {
ian@22165	668 int hvm = libxl__domain_is_hvm(ctx, domid);
keir@20565	669 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@21543	670 int debug = info != NULL && info->flags & XL_SUSPEND_DEBUG;
gianni@22023	671 int rc = 0;
keir@20462	672
ian@22165	673 libxl__domain_suspend_common(ctx, domid, fd, hvm, live, debug);
keir@20565	674 if (hvm)
ian@22165	675 rc = libxl__domain_save_device_model(ctx, domid, fd);
gianni@22023	676 return rc;
keir@20462	677 }
keir@20462	678
ian@21930	679 int libxl_domain_pause(libxl_ctx *ctx, uint32_t domid)
keir@20462	680 {
gianni@21892	681 int ret;
gianni@21892	682 ret = xc_domain_pause(ctx->xch, domid);
gianni@21892	683 if (ret<0) {
ian@22165	684 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "pausing domain %d", domid);
gianni@21892	685 return ERROR_FAIL;
gianni@21892	686 }
Ian@21888	687 return 0;
keir@20462	688 }
keir@20462	689
ian@21930	690 int libxl_domain_core_dump(libxl_ctx *ctx, uint32_t domid,
gianni@21892	691 const char *filename)
sstabellini@21870	692 {
gianni@21892	693 int ret;
gianni@21892	694 ret = xc_domain_dumpcore(ctx->xch, domid, filename);
gianni@21892	695 if (ret<0) {
ian@22165	696 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "core dumping domain %d to %s",
gianni@21892	697 domid, filename);
Ian@21888	698 return ERROR_FAIL;
gianni@21892	699 }
Ian@21888	700 return 0;
sstabellini@21870	701 }
sstabellini@21870	702
ian@21930	703 int libxl_domain_unpause(libxl_ctx *ctx, uint32_t domid)
keir@20462	704 {
ian@22167	705 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20779	706 char *path;
keir@20565	707 char *state;
gianni@22023	708 int ret, rc = 0;
keir@20565	709
ian@22165	710 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22164	711 path = libxl__sprintf(&gc, "/local/domain/0/device-model/%d/state", domid);
ian@22164	712 state = libxl__xs_read(&gc, XBT_NULL, path);
keir@20565	713 if (state != NULL && !strcmp(state, "paused")) {
ian@22164	714 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/0/device-model/%d/command", domid), "continue");
ian@22164	715 libxl__wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	716 }
keir@20565	717 }
gianni@21892	718 ret = xc_domain_unpause(ctx->xch, domid);
gianni@21892	719 if (ret<0) {
ian@22165	720 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unpausing domain %d", domid);
gianni@22023	721 rc = ERROR_FAIL;
gianni@21892	722 }
ian@22164	723 libxl__free_all(&gc);
gianni@22023	724 return rc;
keir@20462	725 }
keir@20462	726
keir@20462	727 static char *req_table[] = {
keir@20462	728 [0] = "poweroff",
keir@20462	729 [1] = "reboot",
keir@20462	730 [2] = "suspend",
keir@20462	731 [3] = "crash",
keir@20462	732 [4] = "halt",
keir@20462	733 };
keir@20462	734
ian@21930	735 int libxl_domain_shutdown(libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	736 {
ian@22167	737 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	738 char *shutdown_path;
keir@20462	739 char *dom_path;
keir@20462	740
gianni@22023	741 if (req > ARRAY_SIZE(req_table)) {
ian@22164	742 libxl__free_all(&gc);
keir@20462	743 return ERROR_INVAL;
gianni@22023	744 }
gianni@22023	745
ian@22164	746 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	747 if (!dom_path) {
ian@22164	748 libxl__free_all(&gc);
keir@20512	749 return ERROR_FAIL;
gianni@22023	750 }
gianni@22023	751
ian@22164	752 shutdown_path = libxl__sprintf(&gc, "%s/control/shutdown", dom_path);
keir@20462	753
keir@20462	754 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
ian@22165	755 if (libxl__domain_is_hvm(ctx,domid)) {
keir@20462	756 unsigned long acpi_s_state = 0;
keir@20462	757 unsigned long pvdriver = 0;
gianni@21892	758 int ret;
gianni@21892	759 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
gianni@21892	760 if (ret<0) {
ian@22165	761 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting ACPI S-state");
gianni@21892	762 return ERROR_FAIL;
gianni@21892	763 }
gianni@21892	764 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
gianni@21892	765 if (ret<0) {
ian@22165	766 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting HVM callback IRQ");
gianni@21892	767 return ERROR_FAIL;
gianni@21892	768 }
gianni@21892	769 if (!pvdriver \|\| acpi_s_state != 0) {
gianni@21892	770 ret = xc_domain_shutdown(ctx->xch, domid, req);
gianni@21892	771 if (ret<0) {
ian@22165	772 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unpausing domain");
gianni@21892	773 return ERROR_FAIL;
gianni@21892	774 }
gianni@21892	775 }
keir@20462	776 }
ian@22164	777 libxl__free_all(&gc);
Ian@21888	778 return 0;
keir@20462	779 }
keir@20462	780
ian@21930	781 int libxl_get_wait_fd(libxl_ctx ctx, int fd)
keir@20545	782 {
keir@20545	783 *fd = xs_fileno(ctx->xsh);
keir@20545	784 return 0;
keir@20545	785 }
keir@20545	786
ian@21930	787 int libxl_wait_for_domain_death(libxl_ctx ctx, uint32_t domid, libxl_waiter waiter)
keir@20637	788 {
keir@20637	789 waiter->path = strdup("@releaseDomain");
ian@21913	790 if (asprintf(&(waiter->token), "%d", LIBXL_EVENT_DOMAIN_DEATH) < 0)
keir@21417	791 return -1;
keir@20637	792 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637	793 return -1;
keir@20637	794 return 0;
keir@20637	795 }
keir@20637	796
ian@21930	797 int libxl_wait_for_disk_ejects(libxl_ctx ctx, uint32_t guest_domid, libxl_device_disk disks, int num_disks, libxl_waiter *waiter)
keir@20637	798 {
ian@22167	799 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023	800 int i, rc = -1;
keir@20637	801 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637	802
keir@20637	803 if (!domid)
keir@20637	804 domid = guest_domid;
keir@20637	805
keir@20637	806 for (i = 0; i < num_disks; i++) {
keir@21417	807 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
ian@22164	808 libxl__xs_get_dompath(&gc, domid),
ian@22165	809 libxl__device_disk_dev_number(disks[i].virtpath)) < 0)
gianni@22023	810 goto out;
ian@21913	811 if (asprintf(&(waiter[i].token), "%d", LIBXL_EVENT_DISK_EJECT) < 0)
gianni@22023	812 goto out;
keir@20637	813 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637	814 }
gianni@22023	815 rc = 0;
gianni@22023	816 out:
ian@22164	817 libxl__free_all(&gc);
gianni@22023	818 return rc;
keir@20637	819 }
keir@20637	820
ian@21930	821 int libxl_get_event(libxl_ctx ctx, libxl_event event)
keir@20545	822 {
keir@20545	823 unsigned int num;
keir@20637	824 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637	825 if (num != 2) {
keir@20637	826 free(events);
gianni@21892	827 return ERROR_FAIL;
keir@20637	828 }
keir@20637	829 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637	830 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637	831 event->type = atoi(event->token);
keir@20637	832 free(events);
keir@20637	833 return 0;
keir@20637	834 }
keir@20637	835
ian@21930	836 int libxl_stop_waiting(libxl_ctx ctx, libxl_waiter waiter)
keir@20637	837 {
keir@20637	838 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
gianni@21892	839 return ERROR_FAIL;
keir@20637	840 else
keir@20637	841 return 0;
keir@20637	842 }
keir@20637	843
keir@20637	844 int libxl_free_event(libxl_event *event)
keir@20637	845 {
keir@20637	846 free(event->path);
keir@20637	847 free(event->token);
keir@20637	848 return 0;
keir@20637	849 }
keir@20637	850
keir@20637	851 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637	852 {
keir@20637	853 free(waiter->path);
keir@20637	854 free(waiter->token);
keir@20637	855 return 0;
keir@20637	856 }
keir@20637	857
ian@21930	858 int libxl_event_get_domain_death_info(libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_dominfo *info)
keir@20637	859 {
ian@21916	860 if (libxl_domain_info(ctx, info, domid) < 0)
ian@21916	861 return 0;
ian@21916	862
ian@21916	863 if (info->running \|\| (!info->shutdown && !info->dying))
ian@21916	864 return ERROR_INVAL;
ian@21916	865
ian@21916	866 return 1;
keir@20545	867 }
keir@20545	868
ian@21930	869 int libxl_event_get_disk_eject_info(libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_device_disk *disk)
keir@20637	870 {
ian@22167	871 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21916	872 char *path;
ian@21916	873 char *backend;
ian@21916	874 char *value;
ian@21916	875
ian@22164	876 value = libxl__xs_read(&gc, XBT_NULL, event->path);
gianni@22023	877
gianni@22023	878 if (!value \|\| strcmp(value, "eject")) {
ian@22164	879 libxl__free_all(&gc);
ian@21916	880 return 0;
gianni@22023	881 }
ian@21916	882
ian@21916	883 path = strdup(event->path);
ian@21916	884 path[strlen(path) - 6] = '\0';
ian@22164	885 backend = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend", path));
ian@21916	886
ian@21916	887 disk->backend_domid = 0;
ian@21916	888 disk->domid = domid;
ian@21916	889 disk->physpath = NULL;
ian@21916	890 disk->phystype = 0;
ian@21916	891 /* this value is returned to the user: do not free right away */
ian@22164	892 disk->virtpath = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/dev", backend));
ian@21916	893 disk->unpluggable = 1;
ian@21916	894 disk->readwrite = 0;
ian@21916	895 disk->is_cdrom = 1;
ian@21916	896
ian@21916	897 free(path);
ian@22164	898 libxl__free_all(&gc);
ian@21916	899 return 1;
keir@20637	900 }
keir@20637	901
ian@21930	902 static int libxl_destroy_device_model(libxl_ctx *ctx, uint32_t domid)
keir@20462	903 {
ian@22167	904 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	905 char *pid;
keir@20462	906 int ret;
keir@20462	907
ian@22164	908 pid = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	909 if (!pid) {
keir@20542	910 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	911 if (!stubdomid) {
ian@22165	912 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "Couldn't find device model's pid");
gianni@22023	913 ret = ERROR_INVAL;
gianni@22023	914 goto out;
keir@20542	915 }
ian@22165	916 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
gianni@22023	917 ret = libxl_domain_destroy(ctx, stubdomid, 0);
Jun@22215	918 if (ret)
Jun@22215	919 goto out;
Jun@22215	920 } else {
Jun@22215	921 ret = kill(atoi(pid), SIGHUP);
Jun@22215	922 if (ret < 0 && errno == ESRCH) {
Jun@22215	923 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Device Model already exited");
Jun@22215	924 ret = 0;
Jun@22215	925 } else if (ret == 0) {
Jun@22215	926 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Device Model signaled");
Jun@22215	927 ret = 0;
Jun@22215	928 } else {
Jun@22215	929 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "failed to kill Device Model [%d]",
Jun@22215	930 atoi(pid));
Jun@22215	931 ret = ERROR_FAIL;
Jun@22215	932 goto out;
Jun@22215	933 }
keir@20462	934 }
ian@22164	935 xs_rm(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", domid));
keir@20462	936
gianni@22023	937 out:
ian@22164	938 libxl__free_all(&gc);
keir@20462	939 return ret;
keir@20462	940 }
keir@20462	941
ian@21930	942 int libxl_domain_destroy(libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	943 {
ian@22167	944 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20801	945 char *dom_path;
ian@21894	946 char *vm_path;
keir@20628	947 int rc, dm_present;
keir@20628	948
ian@22165	949 if (libxl__domain_is_hvm(ctx, domid)) {
keir@20628	950 dm_present = 1;
keir@20628	951 } else {
keir@20628	952 char *pid;
ian@22164	953 pid = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/image/device-model-pid", domid));
keir@20628	954 dm_present = (pid != NULL);
keir@20628	955 }
keir@20462	956
ian@22164	957 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	958 if (!dom_path) {
gianni@22023	959 rc = ERROR_FAIL;
gianni@22023	960 goto out;
gianni@22023	961 }
keir@20512	962
keir@20482	963 if (libxl_device_pci_shutdown(ctx, domid) < 0)
ian@22165	964 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628	965 if (dm_present) {
keir@20628	966 xs_write(ctx->xsh, XBT_NULL,
ian@22164	967 libxl__sprintf(&gc, "/local/domain/0/device-model/%d/command", domid),
keir@20628	968 "shutdown", strlen("shutdown"));
keir@20628	969 }
keir@20512	970 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	971 if (rc < 0) {
ian@22165	972 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	973 }
keir@20628	974 if (dm_present) {
keir@20628	975 if (libxl_destroy_device_model(ctx, domid) < 0)
ian@22165	976 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628	977 }
ian@22164	978 if (libxl__devices_destroy(ctx, domid, force) < 0)
ian@22165	979 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
ian@21891	980
ian@22164	981 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/vm", dom_path));
keir@20823	982 if (vm_path)
keir@20823	983 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
ian@22165	984 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779	985
ian@21891	986 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
ian@22165	987 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", dom_path);
ian@21891	988
keir@21190	989 libxl__userdata_destroyall(ctx, domid);
keir@21190	990
keir@20545	991 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	992 if (rc < 0) {
ian@22165	993 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
gianni@22023	994 rc = ERROR_FAIL;
gianni@22023	995 goto out;
keir@20545	996 }
gianni@22023	997 rc = 0;
gianni@22023	998 out:
ian@22164	999 libxl__free_all(&gc);
keir@20462	1000 return 0;
keir@20462	1001 }
keir@20462	1002
stefano@22040	1003 int libxl_console_exec(libxl_ctx *ctx, uint32_t domid, int cons_num, libxl_console_constype type)
keir@20564	1004 {
ian@22167	1005 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@22164	1006 char *p = libxl__sprintf(&gc, "%s/xenconsole", libxl_private_bindir_path());
ian@22164	1007 char *domid_s = libxl__sprintf(&gc, "%d", domid);
ian@22164	1008 char *cons_num_s = libxl__sprintf(&gc, "%d", cons_num);
stefano@22040	1009 char *cons_type_s;
stefano@22040	1010
ian@22071	1011 switch (type) {
ian@22071	1012 case LIBXL_CONSTYPE_PV:
stefano@22040	1013 cons_type_s = "pv";
ian@22071	1014 break;
ian@22071	1015 case LIBXL_CONSTYPE_SERIAL:
stefano@22040	1016 cons_type_s = "serial";
ian@22071	1017 break;
ian@22071	1018 default:
ian@22071	1019 goto out;
ian@22071	1020 }
stefano@22040	1021
stefano@22040	1022 execl(p, p, domid_s, "--num", cons_num_s, "--type", cons_type_s, (void *)NULL);
ian@22071	1023
ian@22071	1024 out:
ian@22164	1025 libxl__free_all(&gc);
gianni@22023	1026 return ERROR_FAIL;
keir@20564	1027 }
keir@20564	1028
ian@21930	1029 int libxl_primary_console_exec(libxl_ctx *ctx, uint32_t domid_vm)
sstabellini@21867	1030 {
sstabellini@21867	1031 uint32_t stubdomid = libxl_get_stubdom_id(ctx, domid_vm);
sstabellini@21867	1032 if (stubdomid)
stefano@22040	1033 return libxl_console_exec(ctx, stubdomid, 1, LIBXL_CONSTYPE_PV);
stefano@22040	1034 else {
ian@22165	1035 if (libxl__domain_is_hvm(ctx, domid_vm))
stefano@22040	1036 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_SERIAL);
stefano@22040	1037 else
stefano@22040	1038 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_PV);
stefano@22040	1039 }
sstabellini@21867	1040 }
sstabellini@21867	1041
ian@21930	1042 int libxl_vncviewer_exec(libxl_ctx *ctx, uint32_t domid, int autopass)
sstabellini@21879	1043 {
ian@22167	1044 libxl__gc gc = LIBXL_INIT_GC(ctx);
sstabellini@21879	1045 const char vnc_port, vfb_back;
sstabellini@21879	1046 const char vnc_listen = NULL, vnc_pass = NULL;
sstabellini@21879	1047 int port = 0, autopass_fd = -1;
sstabellini@21879	1048 char vnc_bin, args[] = {
sstabellini@21879	1049 "vncviewer",
sstabellini@21879	1050 NULL, /* hostname:display */
sstabellini@21879	1051 NULL, /* -autopass */
sstabellini@21879	1052 NULL,
sstabellini@21879	1053 };
sstabellini@21879	1054
ian@22164	1055 vnc_port = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1056 libxl__sprintf(&gc,
sstabellini@21879	1057 "/local/domain/%d/console/vnc-port", domid));
sstabellini@21879	1058 if ( vnc_port )
sstabellini@21879	1059 port = atoi(vnc_port) - 5900;
sstabellini@21879	1060
ian@22164	1061 vfb_back = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1062 libxl__sprintf(&gc,
sstabellini@21879	1063 "/local/domain/%d/device/vfb/0/backend", domid));
sstabellini@21879	1064 if ( vfb_back ) {
ian@22164	1065 vnc_listen = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1066 libxl__sprintf(&gc,
sstabellini@21879	1067 "/local/domain/%d/console/vnc-listen", domid));
sstabellini@21879	1068 if ( autopass )
ian@22164	1069 vnc_pass = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1070 libxl__sprintf(&gc,
sstabellini@21879	1071 "/local/domain/%d/console/vnc-pass", domid));
sstabellini@21879	1072 }
sstabellini@21879	1073
sstabellini@21879	1074 if ( NULL == vnc_listen )
sstabellini@21879	1075 vnc_listen = "localhost";
sstabellini@21879	1076
sstabellini@21879	1077 if ( (vnc_bin = getenv("VNCVIEWER")) )
sstabellini@21879	1078 args[0] = vnc_bin;
sstabellini@21879	1079
ian@22164	1080 args[1] = libxl__sprintf(&gc, "%s:%d", vnc_listen, port);
sstabellini@21879	1081
sstabellini@21879	1082 if ( vnc_pass ) {
sstabellini@21879	1083 char tmpname[] = "/tmp/vncautopass.XXXXXX";
sstabellini@21879	1084 autopass_fd = mkstemp(tmpname);
sstabellini@21879	1085 if ( autopass_fd < 0 )
sstabellini@21879	1086 goto skip_autopass;
sstabellini@21879	1087
sstabellini@21879	1088 if ( unlink(tmpname) )
sstabellini@21879	1089 /* should never happen */
ian@22165	1090 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unlink %s failed", tmpname);
sstabellini@21879	1091
sstabellini@21879	1092 if ( libxl_write_exactly(ctx, autopass_fd, vnc_pass, strlen(vnc_pass),
sstabellini@21879	1093 tmpname, "vnc password") ) {
sstabellini@21879	1094 do { close(autopass_fd); } while(errno == EINTR);
sstabellini@21879	1095 goto skip_autopass;
sstabellini@21879	1096 }
sstabellini@21879	1097
sstabellini@21879	1098 args[2] = "-autopass";
sstabellini@21879	1099 }
sstabellini@21879	1100
sstabellini@21879	1101 skip_autopass:
ian@22164	1102 libxl__free_all(&gc);
ian@22164	1103 libxl__exec(autopass_fd, -1, -1, args[0], args);
sstabellini@21879	1104 return 0;
sstabellini@21879	1105 }
sstabellini@21879	1106
ian@22167	1107 static char ** libxl_build_device_model_args_old(libxl__gc *gc,
keir@20462	1108 libxl_device_model_info *info,
keir@20462	1109 libxl_device_nic *vifs,
keir@20462	1110 int num_vifs)
keir@20462	1111 {
keir@20462	1112 int num = 0, i;
keir@20462	1113 flexarray_t *dm_args;
keir@20462	1114 dm_args = flexarray_make(16, 1);
gianni@22023	1115
keir@20462	1116 if (!dm_args)
keir@20462	1117 return NULL;
keir@20462	1118
keir@20516	1119 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	1120 flexarray_set(dm_args, num++, "-d");
keir@20462	1121
ian@22164	1122 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->domid));
keir@20462	1123
keir@20462	1124 if (info->dom_name) {
keir@20516	1125 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	1126 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	1127 }
keir@20462	1128 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	1129 flexarray_set(dm_args, num++, "-vnc");
keir@20462	1130 if (info->vncdisplay) {
keir@20462	1131 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362	1132 flexarray_set(
keir@21362	1133 dm_args, num++,
ian@22164	1134 libxl__sprintf(gc, "%s:%d%s",
keir@21362	1135 info->vnclisten,
keir@21362	1136 info->vncdisplay,
keir@21362	1137 info->vncpasswd ? ",password" : ""));
keir@20462	1138 } else {
ian@22164	1139 flexarray_set(dm_args, num++, libxl__sprintf(gc, "127.0.0.1:%d", info->vncdisplay));
keir@20462	1140 }
keir@20462	1141 } else if (info->vnclisten) {
keir@20462	1142 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	1143 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	1144 } else {
ian@22164	1145 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%s:0", info->vnclisten));
keir@20462	1146 }
keir@20462	1147 } else {
keir@20516	1148 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	1149 }
keir@20462	1150 if (info->vncunused) {
keir@20516	1151 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	1152 }
keir@20462	1153 }
keir@21378	1154 if (info->sdl) {
keir@20516	1155 flexarray_set(dm_args, num++, "-sdl");
stefano@22094	1156 if (!info->opengl) {
keir@20516	1157 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	1158 }
keir@20462	1159 }
keir@20462	1160 if (info->keymap) {
keir@20516	1161 flexarray_set(dm_args, num++, "-k");
keir@20516	1162 flexarray_set(dm_args, num++, info->keymap);
keir@20462	1163 }
keir@20462	1164 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	1165 flexarray_set(dm_args, num++, "-nographic");
keir@20462	1166 }
keir@20462	1167 if (info->serial) {
keir@20516	1168 flexarray_set(dm_args, num++, "-serial");
keir@20516	1169 flexarray_set(dm_args, num++, info->serial);
keir@20462	1170 }
keir@20509	1171 if (info->type == XENFV) {
Ian@21733	1172 int ioemu_vifs = 0;
Ian@21733	1173
keir@20509	1174 if (info->videoram) {
keir@20516	1175 flexarray_set(dm_args, num++, "-videoram");
ian@22164	1176 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->videoram));
keir@20509	1177 }
keir@20509	1178 if (info->stdvga) {
keir@20516	1179 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	1180 }
keir@20509	1181
keir@20509	1182 if (info->boot) {
keir@20516	1183 flexarray_set(dm_args, num++, "-boot");
keir@20516	1184 flexarray_set(dm_args, num++, info->boot);
keir@20509	1185 }
stefano@21890	1186 if (info->usb \|\| info->usbdevice) {
keir@20516	1187 flexarray_set(dm_args, num++, "-usb");
keir@20509	1188 if (info->usbdevice) {
keir@20516	1189 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	1190 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	1191 }
keir@20509	1192 }
Ian@21801	1193 if (info->soundhw) {
Ian@21801	1194 flexarray_set(dm_args, num++, "-soundhw");
Ian@21801	1195 flexarray_set(dm_args, num++, info->soundhw);
Ian@21801	1196 }
keir@20509	1197 if (info->apic) {
keir@20516	1198 flexarray_set(dm_args, num++, "-acpi");
keir@20509	1199 }
keir@21570	1200 if (info->vcpus > 1) {
keir@21570	1201 flexarray_set(dm_args, num++, "-vcpus");
ian@22164	1202 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->vcpus));
keir@21570	1203 }
keir@21570	1204 if (info->vcpu_avail) {
keir@21570	1205 flexarray_set(dm_args, num++, "-vcpu_avail");
ian@22164	1206 flexarray_set(dm_args, num++, libxl__sprintf(gc, "0x%x", info->vcpu_avail));
keir@21570	1207 }
keir@20509	1208 for (i = 0; i < num_vifs; i++) {
keir@20509	1209 if (vifs[i].nictype == NICTYPE_IOEMU) {
ian@22164	1210 char *smac = libxl__sprintf(gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780	1211 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780	1212 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
gianni@22173	1213 char *ifname;
keir@20781	1214 if (!vifs[i].ifname)
gianni@22173	1215 ifname = libxl__sprintf(gc, "tap%d.%d", info->domid, vifs[i].devid);
gianni@22173	1216 else
gianni@22173	1217 ifname = vifs[i].ifname;
keir@20516	1218 flexarray_set(dm_args, num++, "-net");
ian@22164	1219 flexarray_set(dm_args, num++, libxl__sprintf(gc, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780	1220 vifs[i].devid, smac, vifs[i].model));
keir@20516	1221 flexarray_set(dm_args, num++, "-net");
ian@22164	1222 flexarray_set(dm_args, num++, libxl__sprintf(gc, "tap,vlan=%d,ifname=%s,bridge=%s,script=no",
gianni@22173	1223 vifs[i].devid, ifname, vifs[i].bridge));
Ian@21733	1224 ioemu_vifs++;
keir@20509	1225 }
keir@20462	1226 }
Ian@21733	1227 /* If we have no emulated nics, tell qemu not to create any */
Ian@21733	1228 if ( ioemu_vifs == 0 ) {
Ian@21733	1229 flexarray_set(dm_args, num++, "-net");
Ian@21733	1230 flexarray_set(dm_args, num++, "none");
Ian@21733	1231 }
keir@20462	1232 }
keir@20565	1233 if (info->saved_state) {
keir@20565	1234 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	1235 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	1236 }
keir@20509	1237 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	1238 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	1239 flexarray_set(dm_args, num++, "-M");
keir@20509	1240 if (info->type == XENPV)
keir@20516	1241 flexarray_set(dm_args, num++, "xenpv");
keir@20509	1242 else
keir@20516	1243 flexarray_set(dm_args, num++, "xenfv");
keir@20462	1244 flexarray_set(dm_args, num++, NULL);
keir@20462	1245 return (char **) flexarray_contents(dm_args);
keir@20462	1246 }
keir@20462	1247
ian@22167	1248 static char ** libxl_build_device_model_args_new(libxl__gc *gc,
anthony@21989	1249 libxl_device_model_info *info,
anthony@21989	1250 libxl_device_nic *vifs,
anthony@21989	1251 int num_vifs)
anthony@21989	1252 {
anthony@21989	1253 int num = 0, i;
anthony@21989	1254 flexarray_t *dm_args;
anthony@21989	1255 int nb;
anthony@21989	1256 libxl_device_disk *disks;
anthony@21989	1257
anthony@21989	1258 dm_args = flexarray_make(16, 1);
anthony@21989	1259 if (!dm_args)
anthony@21989	1260 return NULL;
anthony@21989	1261
anthony@21989	1262 flexarray_set(dm_args, num++, "qemu-system-xen");
anthony@21989	1263 flexarray_set(dm_args, num++, "-xen-domid");
anthony@21989	1264
ian@22164	1265 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->domid));
anthony@21989	1266
anthony@21989	1267 if (info->dom_name) {
anthony@21989	1268 flexarray_set(dm_args, num++, "-name");
anthony@21989	1269 flexarray_set(dm_args, num++, info->dom_name);
anthony@21989	1270 }
anthony@21989	1271 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
anthony@21989	1272 int display = 0;
anthony@21989	1273 const char *listen = "127.0.0.1";
anthony@21989	1274
anthony@21989	1275 flexarray_set(dm_args, num++, "-vnc");
anthony@21989	1276
anthony@21989	1277 if (info->vncdisplay) {
anthony@21989	1278 display = info->vncdisplay;
anthony@21989	1279 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
anthony@21989	1280 listen = info->vnclisten;
anthony@21989	1281 }
anthony@21989	1282 } else if (info->vnclisten) {
anthony@21989	1283 listen = info->vnclisten;
anthony@21989	1284 }
anthony@21989	1285
anthony@21989	1286 if (strchr(listen, ':') != NULL)
anthony@21989	1287 flexarray_set(dm_args, num++,
ian@22164	1288 libxl__sprintf(gc, "%s%s", listen,
anthony@21989	1289 info->vncunused ? ",to=99" : ""));
anthony@21989	1290 else
anthony@21989	1291 flexarray_set(dm_args, num++,
ian@22164	1292 libxl__sprintf(gc, "%s:%d%s", listen, display,
anthony@21989	1293 info->vncunused ? ",to=99" : ""));
anthony@21989	1294 }
anthony@21989	1295 if (info->sdl) {
anthony@21989	1296 flexarray_set(dm_args, num++, "-sdl");
anthony@21989	1297 }
anthony@21989	1298 if (info->keymap) {
anthony@21989	1299 flexarray_set(dm_args, num++, "-k");
anthony@21989	1300 flexarray_set(dm_args, num++, info->keymap);
anthony@21989	1301 }
anthony@21989	1302 if (info->nographic && (!info->sdl && !info->vnc)) {
anthony@21989	1303 flexarray_set(dm_args, num++, "-nographic");
anthony@21989	1304 }
anthony@21989	1305 if (info->serial) {
anthony@21989	1306 flexarray_set(dm_args, num++, "-serial");
anthony@21989	1307 flexarray_set(dm_args, num++, info->serial);
anthony@21989	1308 }
anthony@21989	1309 if (info->type == XENFV) {
anthony@21989	1310 int ioemu_vifs = 0;
anthony@21989	1311
anthony@21989	1312 if (info->stdvga) {
anthony@21989	1313 flexarray_set(dm_args, num++, "-vga");
anthony@21989	1314 flexarray_set(dm_args, num++, "std");
anthony@21989	1315 }
anthony@21989	1316
anthony@21989	1317 if (info->boot) {
anthony@21989	1318 flexarray_set(dm_args, num++, "-boot");
ian@22164	1319 flexarray_set(dm_args, num++, libxl__sprintf(gc, "order=%s", info->boot));
anthony@21989	1320 }
anthony@21989	1321 if (info->usb \|\| info->usbdevice) {
anthony@21989	1322 flexarray_set(dm_args, num++, "-usb");
anthony@21989	1323 if (info->usbdevice) {
anthony@21989	1324 flexarray_set(dm_args, num++, "-usbdevice");
anthony@21989	1325 flexarray_set(dm_args, num++, info->usbdevice);
anthony@21989	1326 }
anthony@21989	1327 }
anthony@21989	1328 if (info->soundhw) {
anthony@21989	1329 flexarray_set(dm_args, num++, "-soundhw");
anthony@21989	1330 flexarray_set(dm_args, num++, info->soundhw);
anthony@21989	1331 }
anthony@21989	1332 if (!info->apic) {
anthony@21989	1333 flexarray_set(dm_args, num++, "-no-acpi");
anthony@21989	1334 }
anthony@21989	1335 if (info->vcpus > 1) {
anthony@21989	1336 flexarray_set(dm_args, num++, "-smp");
anthony@21989	1337 if (info->vcpu_avail)
ian@22164	1338 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d,maxcpus=%d", info->vcpus, info->vcpu_avail));
anthony@21989	1339 else
ian@22164	1340 flexarray_set(dm_args, num++, libxl__sprintf(gc, "%d", info->vcpus));
anthony@21989	1341 }
anthony@21989	1342 for (i = 0; i < num_vifs; i++) {
anthony@21989	1343 if (vifs[i].nictype == NICTYPE_IOEMU) {
ian@22164	1344 char *smac = libxl__sprintf(gc, "%02x:%02x:%02x:%02x:%02x:%02x",
anthony@21989	1345 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
anthony@21989	1346 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
anthony@21989	1347 if (!vifs[i].ifname)
ian@22164	1348 vifs[i].ifname = libxl__sprintf(gc, "tap%d.%d", info->domid, vifs[i].devid);
anthony@21989	1349 flexarray_set(dm_args, num++, "-net");
ian@22164	1350 flexarray_set(dm_args, num++, libxl__sprintf(gc, "nic,vlan=%d,macaddr=%s,model=%s",
anthony@21989	1351 vifs[i].devid, smac, vifs[i].model));
anthony@21989	1352 flexarray_set(dm_args, num++, "-net");
ian@22164	1353 flexarray_set(dm_args, num++, libxl__sprintf(gc, "tap,vlan=%d,ifname=%s,script=no",
anthony@21990	1354 vifs[i].devid, vifs[i].ifname));
anthony@21989	1355 ioemu_vifs++;
anthony@21989	1356 }
anthony@21989	1357 }
anthony@21989	1358 /* If we have no emulated nics, tell qemu not to create any */
anthony@21989	1359 if ( ioemu_vifs == 0 ) {
anthony@21989	1360 flexarray_set(dm_args, num++, "-net");
anthony@21989	1361 flexarray_set(dm_args, num++, "none");
anthony@21989	1362 }
anthony@21989	1363 }
anthony@21989	1364 if (info->saved_state) {
anthony@21989	1365 flexarray_set(dm_args, num++, "-loadvm");
anthony@21989	1366 flexarray_set(dm_args, num++, info->saved_state);
anthony@21989	1367 }
anthony@21989	1368 for (i = 0; info->extra && info->extra[i] != NULL; i++)
anthony@21989	1369 flexarray_set(dm_args, num++, info->extra[i]);
anthony@21989	1370 flexarray_set(dm_args, num++, "-M");
anthony@21989	1371 if (info->type == XENPV)
anthony@21989	1372 flexarray_set(dm_args, num++, "xenpv");
anthony@21989	1373 else
anthony@21989	1374 flexarray_set(dm_args, num++, "xenfv");
anthony@21989	1375
ian@22167	1376 disks = libxl_device_disk_list(libxl__gc_owner(gc), info->domid, &nb);
gianni@22042	1377 for (i; i < nb; i++) {
gianni@22042	1378 if ( disks[i].is_cdrom ) {
anthony@21989	1379 flexarray_set(dm_args, num++, "-cdrom");
gianni@22042	1380 flexarray_set(dm_args, num++, disks[i].physpath);
anthony@21989	1381 }else{
ian@22164	1382 flexarray_set(dm_args, num++, libxl__sprintf(gc, "-%s", disks[i].virtpath));
gianni@22042	1383 flexarray_set(dm_args, num++, disks[i].physpath);
anthony@21989	1384 }
ian@22086	1385 libxl_device_disk_destroy(&disks[i]);
anthony@21989	1386 }
gianni@22023	1387 free(disks);
anthony@21989	1388 flexarray_set(dm_args, num++, NULL);
anthony@21989	1389 return (char **) flexarray_contents(dm_args);
anthony@21989	1390 }
anthony@21989	1391
ian@22167	1392 static char ** libxl_build_device_model_args(libxl__gc *gc,
anthony@21989	1393 libxl_device_model_info *info,
anthony@21989	1394 libxl_device_nic *vifs,
anthony@21989	1395 int num_vifs)
anthony@21989	1396 {
ian@22167	1397 libxl_ctx *ctx = libxl__gc_owner(gc);
anthony@21989	1398 int new_qemu;
anthony@21989	1399
anthony@21989	1400 new_qemu = libxl_check_device_model_version(ctx, info->device_model);
anthony@21989	1401
anthony@21989	1402 if (new_qemu == 1) {
gianni@22023	1403 return libxl_build_device_model_args_new(gc, info, vifs, num_vifs);
anthony@21989	1404 } else {
gianni@22023	1405 return libxl_build_device_model_args_old(gc, info, vifs, num_vifs);
anthony@21989	1406 }
anthony@21989	1407 }
anthony@21989	1408
Ian@22062	1409 static void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834	1410 {
ian@21930	1411 libxl_device_model_starting *starting = for_spawn;
keir@20820	1412 struct xs_handle *xsh;
ian@22285	1413 char path = NULL, pid = NULL;
ian@22285	1414 int len;
ian@22285	1415
ian@22285	1416 if (asprintf(&path, "%s/%s", starting->dom_path, "image/device-model-pid") < 0)
ian@22285	1417 goto out;
ian@22285	1418
ian@22285	1419 len = asprintf(&pid, "%d", innerchild);
ian@22285	1420 if (len < 0)
ian@22285	1421 goto out;
ian@22285	1422
keir@20514	1423 /* we mustn't use the parent's handle in the child */
ian@22285	1424 xsh = xs_daemon_open();
ian@22285	1425
ian@22285	1426 xs_write(xsh, XBT_NULL, path, pid, len);
ian@22285	1427
keir@20820	1428 xs_daemon_close(xsh);
ian@22285	1429 out:
ian@22285	1430 free(path);
ian@22285	1431 free(pid);
keir@20514	1432 }
keir@20514	1433
ian@21930	1434 static int libxl_vfb_and_vkb_from_device_model_info(libxl_ctx *ctx,
keir@20542	1435 libxl_device_model_info *info,
keir@20542	1436 libxl_device_vfb *vfb,
keir@20542	1437 libxl_device_vkb *vkb)
keir@20542	1438 {
keir@20542	1439 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	1440 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	1441
keir@20542	1442 vfb->backend_domid = 0;
keir@20542	1443 vfb->devid = 0;
keir@20542	1444 vfb->vnc = info->vnc;
keir@20542	1445 vfb->vnclisten = info->vnclisten;
keir@20542	1446 vfb->vncdisplay = info->vncdisplay;
keir@20542	1447 vfb->vncunused = info->vncunused;
keir@21362	1448 vfb->vncpasswd = info->vncpasswd;
keir@20542	1449 vfb->keymap = info->keymap;
keir@20542	1450 vfb->sdl = info->sdl;
keir@20542	1451 vfb->opengl = info->opengl;
keir@20542	1452
keir@20542	1453 vkb->backend_domid = 0;
keir@20542	1454 vkb->devid = 0;
keir@20542	1455 return 0;
keir@20542	1456 }
keir@20542	1457
ian@21930	1458 static int libxl_write_dmargs(libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	1459 {
ian@22167	1460 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20542	1461 int i;
keir@20542	1462 char *vm_path;
keir@20542	1463 char dmargs, path;
keir@20542	1464 int dmargs_size;
keir@20542	1465 struct xs_permissions roperm[2];
keir@20542	1466 xs_transaction_t t;
keir@20542	1467
keir@20542	1468 roperm[0].id = 0;
keir@20542	1469 roperm[0].perms = XS_PERM_NONE;
keir@20542	1470 roperm[1].id = domid;
keir@20542	1471 roperm[1].perms = XS_PERM_READ;
keir@20542	1472
ian@22164	1473 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/vm", guest_domid));
keir@20542	1474
keir@20542	1475 i = 0;
keir@20542	1476 dmargs_size = 0;
keir@20542	1477 while (args[i] != NULL) {
keir@20542	1478 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	1479 i++;
keir@20542	1480 }
keir@20542	1481 dmargs_size++;
keir@20542	1482 dmargs = (char *) malloc(dmargs_size);
keir@20542	1483 i = 1;
keir@20542	1484 dmargs[0] = '\0';
keir@20542	1485 while (args[i] != NULL) {
keir@20542	1486 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	1487 strcat(dmargs, " ");
keir@20542	1488 strcat(dmargs, args[i]);
keir@20542	1489 }
keir@20542	1490 i++;
keir@20542	1491 }
ian@22164	1492 path = libxl__sprintf(&gc, "%s/image/dmargs", vm_path);
keir@20542	1493
keir@20542	1494 retry_transaction:
keir@20542	1495 t = xs_transaction_start(ctx->xsh);
keir@20542	1496 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	1497 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
ian@22164	1498 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	1499 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1500 if (errno == EAGAIN)
keir@20542	1501 goto retry_transaction;
keir@20542	1502 free(dmargs);
ian@22164	1503 libxl__free_all(&gc);
keir@20542	1504 return 0;
keir@20542	1505 }
keir@20542	1506
ian@21930	1507 static int libxl_create_stubdom(libxl_ctx *ctx,
keir@20542	1508 libxl_device_model_info *info,
keir@20542	1509 libxl_device_disk *disks, int num_disks,
keir@20542	1510 libxl_device_nic *vifs, int num_vifs,
keir@20542	1511 libxl_device_vfb *vfb,
keir@20542	1512 libxl_device_vkb *vkb,
keir@20542	1513 libxl_device_model_starting **starting_r)
keir@20542	1514 {
ian@22167	1515 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20843	1516 int i, num_console = 1, ret;
keir@20570	1517 libxl_device_console *console;
keir@20542	1518 libxl_domain_create_info c_info;
keir@20542	1519 libxl_domain_build_info b_info;
keir@20542	1520 libxl_domain_build_state state;
keir@20542	1521 uint32_t domid;
keir@20542	1522 char **args;
keir@20542	1523 struct xs_permissions perm[2];
keir@20542	1524 xs_transaction_t t;
keir@20594	1525 libxl_device_model_starting *dm_starting = 0;
keir@20542	1526
gianni@22023	1527 args = libxl_build_device_model_args(&gc, info, vifs, num_vifs);
gianni@22023	1528 if (!args) {
gianni@22023	1529 ret = ERROR_FAIL;
gianni@22023	1530 goto out;
gianni@22023	1531 }
keir@20542	1532
keir@20542	1533 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	1534 c_info.hvm = 0;
ian@22164	1535 c_info.name = libxl__sprintf(&gc, "%s-dm", libxl__domid_to_name(&gc, info->domid));
gianni@22143	1536
gianni@22143	1537 libxl_uuid_copy(&c_info.uuid, &info->uuid);
keir@20542	1538
keir@20542	1539 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	1540 b_info.max_vcpus = 1;
keir@20542	1541 b_info.max_memkb = 32 * 1024;
keir@20647	1542 b_info.target_memkb = b_info.max_memkb;
ian@22164	1543 b_info.kernel.path = libxl__abs_path(&gc, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
ian@22164	1544 b_info.u.pv.cmdline = libxl__sprintf(&gc, " -d %d", info->domid);
Ian@21848	1545 b_info.u.pv.ramdisk.path = "";
keir@20542	1546 b_info.u.pv.features = "";
keir@20542	1547 b_info.hvm = 0;
keir@20542	1548
keir@20843	1549 ret = libxl_domain_make(ctx, &c_info, &domid);
gianni@22023	1550 if (ret)
gianni@22023	1551 goto out_free;
keir@20843	1552 ret = libxl_domain_build(ctx, &b_info, domid, &state);
gianni@22023	1553 if (ret)
gianni@22023	1554 goto out_free;
keir@20542	1555
keir@20542	1556 libxl_write_dmargs(ctx, domid, info->domid, args);
ian@22164	1557 libxl__xs_write(&gc, XBT_NULL,
ian@22164	1558 libxl__sprintf(&gc, "%s/image/device-model-domid", libxl__xs_get_dompath(&gc, info->domid)),
keir@20843	1559 "%d", domid);
ian@22164	1560 libxl__xs_write(&gc, XBT_NULL,
ian@22164	1561 libxl__sprintf(&gc, "%s/target", libxl__xs_get_dompath(&gc, domid)),
keir@20843	1562 "%d", info->domid);
gianni@21892	1563 ret = xc_domain_set_target(ctx->xch, domid, info->domid);
gianni@21892	1564 if (ret<0) {
ian@22165	1565 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting target domain %d -> %d", domid, info->domid);
gianni@22023	1566 ret = ERROR_FAIL;
gianni@22023	1567 goto out_free;
gianni@21892	1568 }
keir@20542	1569 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	1570
keir@20542	1571 perm[0].id = domid;
keir@20542	1572 perm[0].perms = XS_PERM_NONE;
keir@20542	1573 perm[1].id = info->domid;
keir@20542	1574 perm[1].perms = XS_PERM_READ;
keir@20542	1575 retry_transaction:
keir@20542	1576 t = xs_transaction_start(ctx->xsh);
ian@22164	1577 xs_mkdir(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid));
ian@22164	1578 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
ian@22164	1579 xs_mkdir(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/%d/device/vfs", domid));
ian@22164	1580 xs_set_permissions(ctx->xsh, t, libxl__sprintf(&gc, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542	1581 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1582 if (errno == EAGAIN)
keir@20542	1583 goto retry_transaction;
keir@20542	1584
keir@20542	1585 for (i = 0; i < num_disks; i++) {
keir@20781	1586 disks[i].domid = domid;
keir@20843	1587 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
gianni@22023	1588 if (ret)
gianni@22023	1589 goto out_free;
keir@20542	1590 }
keir@20542	1591 for (i = 0; i < num_vifs; i++) {
keir@20781	1592 vifs[i].domid = domid;
keir@20843	1593 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
gianni@22023	1594 if (ret)
gianni@22023	1595 goto out_free;
keir@20542	1596 }
keir@20781	1597 vfb->domid = domid;
keir@20843	1598 ret = libxl_device_vfb_add(ctx, domid, vfb);
gianni@22023	1599 if (ret)
gianni@22023	1600 goto out_free;
keir@20781	1601 vkb->domid = domid;
keir@20843	1602 ret = libxl_device_vkb_add(ctx, domid, vkb);
gianni@22023	1603 if (ret)
gianni@22023	1604 goto out_free;
keir@20542	1605
keir@20570	1606 if (info->serial)
keir@20570	1607 num_console++;
keir@20843	1608
ian@22164	1609 console = libxl__calloc(&gc, num_console, sizeof(libxl_device_console));
gianni@22023	1610 if (!console) {
gianni@22023	1611 ret = ERROR_NOMEM;
gianni@22023	1612 goto out_free;
gianni@22023	1613 }
keir@20843	1614
keir@20570	1615 for (i = 0; i < num_console; i++) {
keir@20781	1616 console[i].devid = i;
stefano@22040	1617 console[i].consback = LIBXL_CONSBACK_IOEMU;
keir@20781	1618 console[i].domid = domid;
stefano@22040	1619 if (!i) {
stefano@22040	1620 char *filename;
ian@22164	1621 char *name = libxl__sprintf(&gc, "qemu-dm-%s", libxl_domid_to_name(ctx, info->domid));
stefano@22040	1622 libxl_create_logfile(ctx, name, &filename);
ian@22164	1623 console[i].output = libxl__sprintf(&gc, "file:%s", filename);
keir@20781	1624 console[i].build_state = &state;
stefano@22040	1625 free(filename);
stefano@22040	1626 } else
stefano@22040	1627 console[i].output = "pty";
keir@20843	1628 ret = libxl_device_console_add(ctx, domid, &console[i]);
gianni@22023	1629 if (ret)
gianni@22023	1630 goto out_free;
keir@20570	1631 }
stefano@22040	1632 if (libxl_create_xenpv_qemu(ctx, domid, vfb, &dm_starting) < 0) {
gianni@22023	1633 ret = ERROR_FAIL;
gianni@22023	1634 goto out_free;
keir@20594	1635 }
keir@20594	1636 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
gianni@22023	1637 ret = ERROR_FAIL;
gianni@22023	1638 goto out_free;
keir@20594	1639 }
keir@20542	1640
keir@20542	1641 libxl_domain_unpause(ctx, domid);
keir@20542	1642
keir@20594	1643 if (starting_r) {
gianni@22023	1644 *starting_r = calloc(sizeof(libxl_device_model_starting), 1);
keir@20598	1645 (*starting_r)->domid = info->domid;
ian@22164	1646 (*starting_r)->dom_path = libxl__xs_get_dompath(&gc, info->domid);
keir@20594	1647 (*starting_r)->for_spawn = NULL;
keir@20594	1648 }
keir@20594	1649
gianni@22023	1650 ret = 0;
gianni@22023	1651
gianni@22023	1652 out_free:
keir@20542	1653 free(args);
gianni@22023	1654 out:
ian@22164	1655 libxl__free_all(&gc);
gianni@22023	1656 return ret;
keir@20542	1657 }
keir@20542	1658
ian@21930	1659 int libxl_create_device_model(libxl_ctx *ctx,
keir@20462	1660 libxl_device_model_info *info,
keir@20542	1661 libxl_device_disk *disks, int num_disks,
keir@20514	1662 libxl_device_nic *vifs, int num_vifs,
keir@20514	1663 libxl_device_model_starting **starting_r)
keir@20462	1664 {
ian@22167	1665 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20546	1666 char path, logfile;
keir@20514	1667 int logfile_w, null;
keir@20546	1668 int rc;
keir@20462	1669 char **args;
ian@21930	1670 libxl_device_model_starting buf_starting, *p;
keir@21362	1671 xs_transaction_t t;
keir@21362	1672 char *vm_path;
keir@21362	1673 char **pass_stuff;
keir@20514	1674
keir@20542	1675 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	1676 libxl_device_vfb vfb;
keir@20542	1677 libxl_device_vkb vkb;
keir@20542	1678
keir@20542	1679 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
gianni@22023	1680 rc = libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
gianni@22023	1681 goto out;
keir@20542	1682 }
keir@20542	1683
gianni@22023	1684 args = libxl_build_device_model_args(&gc, info, vifs, num_vifs);
gianni@22023	1685 if (!args) {
gianni@22023	1686 rc = ERROR_FAIL;
gianni@22023	1687 goto out;
gianni@22023	1688 }
gianni@22023	1689
ian@22164	1690 path = libxl__sprintf(&gc, "/local/domain/0/device-model/%d", info->domid);
keir@20462	1691 xs_mkdir(ctx->xsh, XBT_NULL, path);
ian@22164	1692 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/disable_pf", path), "%d", !info->xen_platform_pci);
ian@22164	1693
ian@22164	1694 libxl_create_logfile(ctx, libxl__sprintf(&gc, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	1695 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	1696 free(logfile);
keir@20462	1697 null = open("/dev/null", O_RDONLY);
keir@20514	1698
keir@20514	1699 if (starting_r) {
keir@20516	1700 rc = ERROR_NOMEM;
gianni@22023	1701 *starting_r = calloc(sizeof(libxl_device_model_starting), 1);
gianni@22023	1702 if (!*starting_r)
gianni@22023	1703 goto out_close;
keir@20594	1704 p = *starting_r;
ian@22167	1705 p->for_spawn = calloc(sizeof(libxl__spawn_starting), 1);
keir@20594	1706 } else {
keir@20594	1707 p = &buf_starting;
keir@20594	1708 p->for_spawn = NULL;
keir@20594	1709 }
keir@20514	1710
keir@20594	1711 p->domid = info->domid;
ian@22164	1712 p->dom_path = libxl__xs_get_dompath(&gc, info->domid);
gianni@22023	1713 if (!p->dom_path) {
gianni@22023	1714 rc = ERROR_FAIL;
gianni@22023	1715 goto out_close;
gianni@22023	1716 }
keir@20594	1717
keir@21362	1718 if (info->vncpasswd) {
gianni@22023	1719 retry_transaction:
keir@21362	1720 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362	1721 t = xs_transaction_start(ctx->xsh);
ian@22164	1722 vm_path = libxl__xs_read(&gc,t,libxl__sprintf(&gc, "%s/vm", p->dom_path));
keir@21362	1723 if (vm_path) {
keir@21362	1724 /* Now write the vncpassword into it. */
gianni@22258	1725 pass_stuff = libxl__calloc(&gc, 3, sizeof(char *));
keir@21362	1726 pass_stuff[0] = "vncpasswd";
keir@21362	1727 pass_stuff[1] = info->vncpasswd;
ian@22164	1728 libxl__xs_writev(&gc,t,vm_path,pass_stuff);
keir@21362	1729 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362	1730 if (errno == EAGAIN)
keir@21362	1731 goto retry_transaction;
keir@21362	1732 }
keir@21362	1733 }
keir@21362	1734
ian@22164	1735 rc = libxl__spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
gianni@22023	1736 if (rc < 0)
gianni@22023	1737 goto out_close;
keir@20514	1738 if (!rc) { /* inner child */
ian@22164	1739 libxl__exec(null, logfile_w, logfile_w,
Christoph@22266	1740 libxl__abs_path(&gc, info->device_model, libxl_libexec_path()),
keir@21353	1741 args);
keir@20514	1742 }
keir@20514	1743
keir@20514	1744 rc = 0;
gianni@22023	1745
gianni@22023	1746 out_close:
keir@20462	1747 close(null);
keir@20462	1748 close(logfile_w);
gianni@22023	1749 free(args);
gianni@22023	1750 out:
ian@22164	1751 libxl__free_all(&gc);
keir@20514	1752 return rc;
keir@20514	1753 }
keir@20514	1754
ian@21930	1755 int libxl_detach_device_model(libxl_ctx *ctx,
keir@20779	1756 libxl_device_model_starting *starting)
keir@20779	1757 {
keir@20514	1758 int rc;
ian@22164	1759 rc = libxl__spawn_detach(ctx, starting->for_spawn);
gianni@22023	1760 if (starting->for_spawn)
gianni@22023	1761 free(starting->for_spawn);
gianni@22023	1762 free(starting);
keir@20514	1763 return rc;
keir@20514	1764 }
keir@20462	1765
keir@20514	1766
ian@21930	1767 int libxl_confirm_device_model_startup(libxl_ctx *ctx,
keir@20779	1768 libxl_device_model_starting *starting)
keir@20779	1769 {
ian@22164	1770 int problem = libxl__wait_for_device_model(ctx, starting->domid, "running", NULL, NULL);
gianni@21965	1771 int detach;
gianni@21965	1772 if ( !problem )
ian@22164	1773 problem = libxl__spawn_check(ctx, starting->for_spawn);
gianni@21965	1774 detach = libxl_detach_device_model(ctx, starting);
keir@20514	1775 return problem ? problem : detach;
keir@20462	1776 }
keir@20462	1777
keir@20514	1778
keir@20462	1779 /******************************************************************************/
keir@20566	1780
ian@21930	1781 int libxl_device_disk_add(libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	1782 {
ian@22167	1783 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	1784 flexarray_t *front;
keir@20462	1785 flexarray_t *back;
keir@20462	1786 char *backend_type;
keir@20462	1787 unsigned int boffset = 0;
keir@20462	1788 unsigned int foffset = 0;
keir@20462	1789 int devid;
ian@22167	1790 libxl__device device;
gianni@22023	1791 int major, minor, rc;
keir@20462	1792
keir@20462	1793 front = flexarray_make(16, 1);
gianni@22023	1794 if (!front) {
gianni@22023	1795 rc = ERROR_NOMEM;
gianni@22023	1796 goto out;
gianni@22023	1797 }
keir@20462	1798 back = flexarray_make(16, 1);
gianni@22023	1799 if (!back) {
gianni@22023	1800 rc = ERROR_NOMEM;
gianni@22023	1801 goto out_free;
gianni@22023	1802 }
keir@20462	1803
ian@22165	1804 backend_type = libxl__device_disk_backend_type_of_phystype(disk->phystype);
ian@22165	1805 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20947	1806 if (devid==-1) {
ian@22165	1807 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Invalid or unsupported"
keir@20947	1808 " virtual disk identifier %s", disk->virtpath);
gianni@22023	1809 rc = ERROR_INVAL;
gianni@22023	1810 goto out_free;
keir@20947	1811 }
keir@20462	1812
keir@20462	1813 device.backend_devid = devid;
keir@20462	1814 device.backend_domid = disk->backend_domid;
keir@20462	1815 device.devid = devid;
keir@20462	1816 device.domid = disk->domid;
keir@20462	1817 device.kind = DEVICE_VBD;
keir@20462	1818
keir@20462	1819 switch (disk->phystype) {
keir@20462	1820 case PHYSTYPE_PHY: {
keir@20462	1821
ian@22165	1822 libxl__device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	1823 flexarray_set(back, boffset++, "physical-device");
ian@22164	1824 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%x:%x", major, minor));
keir@20462	1825
keir@20516	1826 flexarray_set(back, boffset++, "params");
keir@20516	1827 flexarray_set(back, boffset++, disk->physpath);
keir@20462	1828
keir@20462	1829 device.backend_kind = DEVICE_VBD;
keir@20462	1830 break;
keir@20462	1831 }
keir@20566	1832 case PHYSTYPE_FILE:
keir@20566	1833 /* let's pretend is tap:aio for the moment */
keir@20566	1834 disk->phystype = PHYSTYPE_AIO;
Christoph@22044	1835 case PHYSTYPE_AIO:
Christoph@22044	1836 case PHYSTYPE_QCOW:
Christoph@22044	1837 case PHYSTYPE_QCOW2:
Christoph@22044	1838 case PHYSTYPE_VHD:
ian@22165	1839 if (libxl__blktap_enabled(&gc)) {
ian@22165	1840 const char *dev = libxl__blktap_devpath(&gc,
Christoph@22044	1841 disk->physpath, disk->phystype);
gianni@22023	1842 if (!dev) {
gianni@22023	1843 rc = ERROR_FAIL;
gianni@22023	1844 goto out_free;
gianni@22023	1845 }
keir@20566	1846 flexarray_set(back, boffset++, "tapdisk-params");
ian@22165	1847 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%s:%s", libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1848 flexarray_set(back, boffset++, "params");
ian@22164	1849 flexarray_set(back, boffset++, libxl__strdup(&gc, dev));
keir@20566	1850 backend_type = "phy";
ian@22165	1851 libxl__device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1852 flexarray_set(back, boffset++, "physical-device");
ian@22164	1853 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%x:%x", major, minor));
keir@20566	1854 device.backend_kind = DEVICE_VBD;
keir@20566	1855
keir@20566	1856 break;
keir@20566	1857 }
keir@20516	1858 flexarray_set(back, boffset++, "params");
ian@22164	1859 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%s:%s",
ian@22165	1860 libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1861
keir@20462	1862 device.backend_kind = DEVICE_TAP;
keir@20462	1863 break;
Christoph@22044	1864
keir@20846	1865 default:
ian@22165	1866 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
gianni@22023	1867 rc = ERROR_INVAL;
gianni@22023	1868 goto out_free;
keir@20462	1869 }
keir@20462	1870
keir@20516	1871 flexarray_set(back, boffset++, "frontend-id");
ian@22164	1872 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", disk->domid));
keir@20516	1873 flexarray_set(back, boffset++, "online");
keir@20516	1874 flexarray_set(back, boffset++, "1");
keir@20516	1875 flexarray_set(back, boffset++, "removable");
ian@22164	1876 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1877 flexarray_set(back, boffset++, "bootable");
ian@22164	1878 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	1879 flexarray_set(back, boffset++, "state");
ian@22164	1880 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	1881 flexarray_set(back, boffset++, "dev");
keir@20516	1882 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1883 flexarray_set(back, boffset++, "type");
keir@20516	1884 flexarray_set(back, boffset++, backend_type);
keir@20516	1885 flexarray_set(back, boffset++, "mode");
keir@20516	1886 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1887
keir@20516	1888 flexarray_set(front, foffset++, "backend-id");
ian@22164	1889 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", disk->backend_domid));
keir@20516	1890 flexarray_set(front, foffset++, "state");
ian@22164	1891 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	1892 flexarray_set(front, foffset++, "virtual-device");
ian@22164	1893 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", devid));
keir@20516	1894 flexarray_set(front, foffset++, "device-type");
keir@20516	1895 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1896
keir@20462	1897 if (0 /* protocol != native*/) {
keir@20516	1898 flexarray_set(front, foffset++, "protocol");
keir@20516	1899 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1900 }
keir@20462	1901
ian@22164	1902 libxl__device_generic_add(ctx, &device,
ian@22164	1903 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	1904 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023	1905
gianni@22023	1906 rc = 0;
gianni@22023	1907
gianni@22023	1908 out_free:
keir@20516	1909 flexarray_free(back);
keir@20516	1910 flexarray_free(front);
gianni@22023	1911 out:
ian@22164	1912 libxl__free_all(&gc);
gianni@22023	1913 return rc;
keir@20462	1914 }
keir@20462	1915
ian@21930	1916 int libxl_device_disk_del(libxl_ctx *ctx,
keir@20626	1917 libxl_device_disk *disk, int wait)
keir@20462	1918 {
ian@22167	1919 libxl__device device;
keir@20626	1920 int devid;
keir@20462	1921
ian@22165	1922 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20626	1923 device.backend_domid = disk->backend_domid;
keir@20626	1924 device.backend_devid = devid;
keir@20626	1925 device.backend_kind =
keir@20626	1926 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	1927 device.domid = disk->domid;
keir@20626	1928 device.devid = devid;
keir@20626	1929 device.kind = DEVICE_VBD;
ian@22164	1930 return libxl__device_del(ctx, &device, wait);
keir@20462	1931 }
keir@20462	1932
gianni@22023	1933 char * libxl_device_disk_local_attach(libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	1934 {
ian@22167	1935 libxl__gc gc = LIBXL_INIT_GC(ctx);
Christoph@22044	1936 const char *dev = NULL;
Christoph@22044	1937 char *ret;
Ian@21849	1938 int phystype = disk->phystype;
Ian@21849	1939 switch (phystype) {
Ian@21849	1940 case PHYSTYPE_PHY: {
Ian@21849	1941 fprintf(stderr, "attaching PHY disk %s to domain 0\n", disk->physpath);
Ian@21849	1942 dev = disk->physpath;
Ian@21849	1943 break;
Ian@21849	1944 }
Ian@21849	1945 case PHYSTYPE_FILE:
Ian@21849	1946 /* let's pretend is tap:aio for the moment */
Ian@21849	1947 phystype = PHYSTYPE_AIO;
Christoph@22044	1948 case PHYSTYPE_AIO:
Christoph@22044	1949 case PHYSTYPE_QCOW:
Christoph@22044	1950 case PHYSTYPE_QCOW2:
Christoph@22044	1951 case PHYSTYPE_VHD:
ian@22165	1952 if (libxl__blktap_enabled(&gc))
ian@22165	1953 dev = libxl__blktap_devpath(&gc, disk->physpath, phystype);
Ian@21849	1954 break;
Christoph@22044	1955
Ian@21849	1956 default:
ian@22165	1957 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", phystype);
Ian@21849	1958 break;
Ian@21849	1959 }
gianni@22023	1960 ret = strdup(dev);
ian@22164	1961 libxl__free_all(&gc);
gianni@22023	1962 return ret;
Ian@21849	1963 }
Ian@21849	1964
ian@21930	1965 int libxl_device_disk_local_detach(libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	1966 {
Ian@21849	1967 /* Nothing to do for PHYSTYPE_PHY. */
Ian@21849	1968
Ian@21849	1969 /*
Ian@21849	1970 * For other device types assume that the blktap2 process is
Ian@21849	1971 * needed by the soon to be started domain and do nothing.
Ian@21849	1972 */
Ian@21849	1973
Ian@21849	1974 return 0;
Ian@21849	1975 }
Ian@21849	1976
keir@20462	1977 /******************************************************************************/
ian@21930	1978 int libxl_device_nic_add(libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1979 {
ian@22167	1980 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	1981 flexarray_t *front;
keir@20462	1982 flexarray_t *back;
keir@20462	1983 unsigned int boffset = 0;
keir@20462	1984 unsigned int foffset = 0;
ian@22167	1985 libxl__device device;
keir@21407	1986 char dompath, *l;
gianni@22023	1987 unsigned int nb, rc;
keir@20462	1988
keir@20462	1989 front = flexarray_make(16, 1);
gianni@22023	1990 if (!front) {
gianni@22023	1991 rc = ERROR_NOMEM;
gianni@22023	1992 goto out;
gianni@22023	1993 }
keir@20462	1994 back = flexarray_make(16, 1);
gianni@22023	1995 if (!back) {
gianni@22023	1996 rc = ERROR_NOMEM;
gianni@22023	1997 goto out_free;
gianni@22023	1998 }
keir@20462	1999
keir@21407	2000 if (nic->devid == -1) {
ian@22164	2001 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023	2002 rc = ERROR_FAIL;
gianni@22023	2003 goto out_free;
keir@21407	2004 }
ian@22164	2005 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	2006 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb))) {
keir@21407	2007 nic->devid = 0;
keir@21407	2008 } else {
keir@21407	2009 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407	2010 }
keir@21407	2011 }
keir@21407	2012
keir@20462	2013 device.backend_devid = nic->devid;
keir@20462	2014 device.backend_domid = nic->backend_domid;
keir@20462	2015 device.backend_kind = DEVICE_VIF;
keir@20462	2016 device.devid = nic->devid;
keir@20462	2017 device.domid = nic->domid;
keir@20462	2018 device.kind = DEVICE_VIF;
keir@20462	2019
keir@20516	2020 flexarray_set(back, boffset++, "frontend-id");
ian@22164	2021 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", nic->domid));
keir@20516	2022 flexarray_set(back, boffset++, "online");
keir@20516	2023 flexarray_set(back, boffset++, "1");
keir@20516	2024 flexarray_set(back, boffset++, "state");
ian@22164	2025 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	2026 flexarray_set(back, boffset++, "script");
keir@20516	2027 flexarray_set(back, boffset++, nic->script);
keir@20516	2028 flexarray_set(back, boffset++, "mac");
ian@22164	2029 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	2030 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	2031 nic->mac[3], nic->mac[4], nic->mac[5]));
Ian@21732	2032 flexarray_set(back, boffset++, "bridge");
ian@22164	2033 flexarray_set(back, boffset++, libxl__strdup(&gc, nic->bridge));
keir@20516	2034 flexarray_set(back, boffset++, "handle");
ian@22164	2035 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", nic->devid));
keir@20462	2036
keir@20516	2037 flexarray_set(front, foffset++, "backend-id");
ian@22164	2038 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", nic->backend_domid));
keir@20516	2039 flexarray_set(front, foffset++, "state");
ian@22164	2040 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	2041 flexarray_set(front, foffset++, "handle");
ian@22164	2042 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", nic->devid));
keir@20516	2043 flexarray_set(front, foffset++, "mac");
ian@22164	2044 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	2045 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	2046 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	2047 if (0 /* protocol != native*/) {
keir@20516	2048 flexarray_set(front, foffset++, "protocol");
keir@20516	2049 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	2050 }
keir@20462	2051
ian@22164	2052 libxl__device_generic_add(ctx, &device,
ian@22164	2053 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	2054 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
keir@20462	2055
keir@20462	2056 /* FIXME: wait for plug */
gianni@22023	2057 rc = 0;
gianni@22023	2058 out_free:
keir@20516	2059 flexarray_free(back);
keir@20516	2060 flexarray_free(front);
gianni@22023	2061 out:
ian@22164	2062 libxl__free_all(&gc);
gianni@22023	2063 return rc;
keir@20462	2064 }
keir@20462	2065
ian@21930	2066 int libxl_device_nic_del(libxl_ctx *ctx,
keir@20626	2067 libxl_device_nic *nic, int wait)
keir@20462	2068 {
ian@22167	2069 libxl__device device;
keir@20462	2070
keir@20626	2071 device.backend_devid = nic->devid;
keir@20626	2072 device.backend_domid = nic->backend_domid;
keir@20626	2073 device.backend_kind = DEVICE_VIF;
keir@20626	2074 device.devid = nic->devid;
keir@20626	2075 device.domid = nic->domid;
keir@20626	2076 device.kind = DEVICE_VIF;
keir@20626	2077
ian@22164	2078 return libxl__device_del(ctx, &device, wait);
keir@20462	2079 }
keir@20462	2080
ian@21930	2081 libxl_nicinfo libxl_list_nics(libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21408	2082 {
ian@22167	2083 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21408	2084 char dompath, nic_path_fe;
gianni@22009	2085 char l, list;
keir@21408	2086 char val, tok;
keir@21408	2087 unsigned int nb_nics, i;
keir@21408	2088 libxl_nicinfo res, nics;
keir@21408	2089
ian@22164	2090 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	2091 if (!dompath)
gianni@22023	2092 goto err;
ian@22164	2093 list = l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	2094 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb_nics);
gianni@22023	2095 if (!l)
gianni@22023	2096 goto err;
gianni@22009	2097 nics = res = calloc(nb_nics, sizeof (libxl_device_nic));
gianni@22023	2098 if (!res)
gianni@22023	2099 goto err;
keir@21408	2100 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
ian@22164	2101 nic_path_fe = libxl__sprintf(&gc, "%s/device/vif/%s", dompath, *l);
keir@21408	2102
gianni@22009	2103 nics->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	2104 libxl__sprintf(&gc, "%s/backend", nic_path_fe), NULL);
ian@22164	2105 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", nic_path_fe));
keir@21408	2106 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	2107
keir@21408	2108 nics->devid = strtoul(*l, NULL, 10);
ian@22164	2109 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", nic_path_fe));
keir@21408	2110 nics->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164	2111 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", nic_path_fe));
keir@21408	2112 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408	2113 ++i, tok = strtok(NULL, ":")) {
keir@21408	2114 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408	2115 }
ian@22164	2116 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", nic_path_fe));
keir@21408	2117 nics->evtch = val ? strtol(val, NULL, 10) : -1;
ian@22164	2118 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/tx-ring-ref", nic_path_fe));
keir@21408	2119 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
ian@22164	2120 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/rx-ring-ref", nic_path_fe));
keir@21408	2121 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
gianni@22009	2122 nics->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	2123 libxl__sprintf(&gc, "%s/frontend", nics->backend), NULL);
ian@22164	2124 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", nics->backend));
keir@21408	2125 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
gianni@22009	2126 nics->script = xs_read(ctx->xsh, XBT_NULL,
ian@22164	2127 libxl__sprintf(&gc, "%s/script", nics->backend), NULL);
keir@21408	2128 }
keir@21408	2129
ian@22164	2130 libxl__free_all(&gc);
keir@21408	2131 return res;
gianni@22023	2132 err:
ian@22164	2133 libxl__free_all(&gc);
gianni@22023	2134 return NULL;
keir@21408	2135 }
keir@21408	2136
keir@21580	2137 /******************************************************************************/
ian@21930	2138 int libxl_device_net2_add(libxl_ctx ctx, uint32_t domid, libxl_device_net2 net2)
keir@21580	2139 {
ian@22167	2140 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21580	2141 flexarray_t front, back;
keir@21580	2142 unsigned int boffset = 0, foffset = 0;
ian@22167	2143 libxl__device device;
keir@21580	2144 char dompath, dom, **l;
keir@21580	2145 unsigned int nb;
gianni@22023	2146 int rc;
keir@21580	2147
keir@21580	2148 front = flexarray_make(16, 1);
gianni@22023	2149 if (!front) {
gianni@22023	2150 rc = ERROR_NOMEM;
gianni@22023	2151 goto err;
gianni@22023	2152 }
keir@21580	2153 back = flexarray_make(16, 1);
gianni@22023	2154 if (!back) {
gianni@22023	2155 rc = ERROR_NOMEM;
gianni@22023	2156 goto err_free;
keir@21580	2157 }
gianni@22023	2158
ian@22164	2159 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023	2160 rc = ERROR_FAIL;
gianni@22023	2161 goto err_free;
gianni@22023	2162 }
ian@22164	2163 dom = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/name", dompath));
keir@21580	2164
keir@21580	2165 if (net2->devid == -1) {
ian@22164	2166 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	2167 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb))) {
keir@21580	2168 net2->devid = 0;
keir@21580	2169 } else {
keir@21580	2170 net2->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21580	2171 }
keir@21580	2172 }
keir@21580	2173
keir@21580	2174 device.backend_devid = net2->devid;
keir@21580	2175 device.backend_domid = net2->backend_domid;
keir@21580	2176 device.backend_kind = DEVICE_VIF2;
keir@21580	2177 device.devid = net2->devid;
keir@21580	2178 device.domid = net2->domid;
keir@21580	2179 device.kind = DEVICE_VIF2;
keir@21580	2180
keir@21580	2181 flexarray_set(back, boffset++, "domain");
keir@21580	2182 flexarray_set(back, boffset++, dom);
keir@21580	2183 flexarray_set(back, boffset++, "frontend-id");
ian@22164	2184 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->domid));
keir@21580	2185
keir@21580	2186 flexarray_set(back, boffset++, "local-trusted");
ian@22164	2187 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->back_trusted));
keir@21580	2188 flexarray_set(back, boffset++, "mac");
ian@22164	2189 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	2190 net2->back_mac[0], net2->back_mac[1],
keir@21580	2191 net2->back_mac[2], net2->back_mac[3],
keir@21580	2192 net2->back_mac[4], net2->back_mac[5]));
keir@21580	2193
keir@21580	2194 flexarray_set(back, boffset++, "remote-trusted");
ian@22164	2195 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->trusted));
keir@21580	2196 flexarray_set(back, boffset++, "remote-mac");
ian@22164	2197 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	2198 net2->front_mac[0], net2->front_mac[1],
keir@21580	2199 net2->front_mac[2], net2->front_mac[3],
keir@21580	2200 net2->front_mac[4], net2->front_mac[5]));
keir@21580	2201
keir@21580	2202 flexarray_set(back, boffset++, "max-bypasses");
ian@22164	2203 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->max_bypasses));
keir@21580	2204 flexarray_set(back, boffset++, "filter-mac");
ian@22164	2205 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
keir@21580	2206 flexarray_set(back, boffset++, "handle");
ian@22164	2207 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", net2->devid));
keir@21580	2208 flexarray_set(back, boffset++, "online");
keir@21580	2209 flexarray_set(back, boffset++, "1");
keir@21580	2210 flexarray_set(back, boffset++, "state");
keir@21580	2211 flexarray_set(back, boffset++, "1");
keir@21580	2212
keir@21580	2213 flexarray_set(front, foffset++, "backend-id");
ian@22164	2214 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->backend_domid));
keir@21580	2215
keir@21580	2216 flexarray_set(front, foffset++, "local-trusted");
ian@22164	2217 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->trusted));
keir@21580	2218 flexarray_set(front, foffset++, "mac");
ian@22164	2219 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	2220 net2->front_mac[0], net2->front_mac[1],
keir@21580	2221 net2->front_mac[2], net2->front_mac[3],
keir@21580	2222 net2->front_mac[4], net2->front_mac[5]));
keir@21580	2223
keir@21580	2224 flexarray_set(front, foffset++, "remote-trusted");
ian@22164	2225 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", net2->back_trusted));
keir@21580	2226 flexarray_set(front, foffset++, "remote-mac");
ian@22164	2227 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	2228 net2->back_mac[0], net2->back_mac[1],
keir@21580	2229 net2->back_mac[2], net2->back_mac[3],
keir@21580	2230 net2->back_mac[4], net2->back_mac[5]));
keir@21580	2231
keir@21580	2232 flexarray_set(front, foffset++, "filter-mac");
ian@22164	2233 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
keir@21580	2234 flexarray_set(front, foffset++, "state");
keir@21580	2235 flexarray_set(front, foffset++, "1");
keir@21580	2236
ian@22164	2237 libxl__device_generic_add(ctx, &device,
ian@22164	2238 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	2239 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
keir@21580	2240
keir@21580	2241 /* FIXME: wait for plug */
gianni@22023	2242 rc = 0;
gianni@22023	2243 err_free:
keir@21580	2244 flexarray_free(back);
keir@21580	2245 flexarray_free(front);
gianni@22023	2246 err:
ian@22164	2247 libxl__free_all(&gc);
gianni@22023	2248 return rc;
keir@21580	2249 }
keir@21408	2250
ian@21930	2251 libxl_net2info libxl_device_net2_list(libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21581	2252 {
ian@22167	2253 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21581	2254 char dompath, net2_path_fe;
keir@21581	2255 char **l;
keir@21581	2256 char val, tok;
keir@21581	2257 unsigned int nb_net2s, i;
keir@21581	2258 libxl_net2info res, net2s;
keir@21581	2259
ian@22164	2260 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	2261 if (!dompath)
gianni@22023	2262 goto err;
ian@22164	2263 l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	2264 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb_net2s);
gianni@22023	2265 if (!l)
gianni@22023	2266 goto err;
gianni@22023	2267 res = calloc(nb_net2s, sizeof (libxl_net2info));
gianni@22023	2268 if (!res)
gianni@22023	2269 goto err;
keir@21581	2270 net2s = res;
keir@21581	2271 for (*nb = nb_net2s; nb_net2s > 0; --nb_net2s, ++l, ++net2s) {
ian@22164	2272 net2_path_fe = libxl__sprintf(&gc, "%s/device/vif2/%s", dompath, *l);
ian@22164	2273
ian@22164	2274 net2s->backend = libxl__xs_read(&gc, XBT_NULL,
ian@22164	2275 libxl__sprintf(&gc, "%s/backend", net2_path_fe));
ian@22164	2276 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", net2_path_fe));
keir@21581	2277 net2s->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	2278
keir@21581	2279 net2s->devid = strtoul(*l, NULL, 10);
ian@22164	2280 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", net2_path_fe));
keir@21581	2281 net2s->state = val ? strtoul(val, NULL, 10) : -1;
keir@21581	2282
ian@22164	2283 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", net2_path_fe));
keir@21581	2284 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	2285 ++i, tok = strtok(NULL, ":")) {
keir@21581	2286 net2s->mac[i] = strtoul(tok, NULL, 16);
keir@21581	2287 }
ian@22164	2288 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-trusted", net2_path_fe));
keir@21581	2289 net2s->trusted = val ? strtoul(val, NULL, 10) : -1;
keir@21581	2290
ian@22164	2291 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-mac", net2_path_fe));
keir@21581	2292 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	2293 ++i, tok = strtok(NULL, ":")) {
keir@21581	2294 net2s->back_mac[i] = strtoul(tok, NULL, 16);
keir@21581	2295 }
ian@22164	2296 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/filter-mac", net2_path_fe));
keir@21581	2297 net2s->filter_mac = val ? strtoul(val, NULL, 10) : -1;
keir@21581	2298
ian@22164	2299 net2s->frontend = libxl__xs_read(&gc, XBT_NULL,
ian@22164	2300 libxl__sprintf(&gc, "%s/frontend", net2s->backend));
ian@22164	2301 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", net2s->backend));
keir@21581	2302 net2s->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	2303 }
keir@21581	2304
ian@22164	2305 libxl__free_all(&gc);
keir@21581	2306 return res;
gianni@22023	2307 err:
ian@22164	2308 libxl__free_all(&gc);
gianni@22023	2309 return NULL;
keir@21581	2310 }
keir@21581	2311
ian@21930	2312 int libxl_device_net2_del(libxl_ctx ctx, libxl_device_net2 net2, int wait)
keir@21582	2313 {
ian@22167	2314 libxl__device device;
keir@21582	2315
keir@21582	2316 device.backend_devid = net2->devid;
keir@21582	2317 device.backend_domid = net2->backend_domid;
keir@21582	2318 device.backend_kind = DEVICE_VIF2;
keir@21582	2319 device.devid = net2->devid;
keir@21582	2320 device.domid = net2->domid;
keir@21582	2321 device.kind = DEVICE_VIF2;
keir@21582	2322
ian@22164	2323 return libxl__device_del(ctx, &device, wait);
keir@21582	2324 }
keir@21582	2325
keir@21581	2326
keir@20462	2327 /******************************************************************************/
ian@21930	2328 int libxl_device_console_add(libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	2329 {
ian@22167	2330 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	2331 flexarray_t *front;
keir@20509	2332 flexarray_t *back;
keir@20509	2333 unsigned int boffset = 0;
keir@20509	2334 unsigned int foffset = 0;
ian@22167	2335 libxl__device device;
gianni@22023	2336 int rc;
keir@20509	2337
keir@20509	2338 front = flexarray_make(16, 1);
gianni@22023	2339 if (!front) {
gianni@22023	2340 rc = ERROR_NOMEM;
gianni@22023	2341 goto out;
gianni@22023	2342 }
keir@20509	2343 back = flexarray_make(16, 1);
gianni@22023	2344 if (!back) {
gianni@22023	2345 rc = ERROR_NOMEM;
gianni@22023	2346 goto out_free;
gianni@22023	2347 }
keir@20509	2348
keir@20509	2349 device.backend_devid = console->devid;
keir@20509	2350 device.backend_domid = console->backend_domid;
keir@20509	2351 device.backend_kind = DEVICE_CONSOLE;
keir@20509	2352 device.devid = console->devid;
keir@20509	2353 device.domid = console->domid;
keir@20509	2354 device.kind = DEVICE_CONSOLE;
keir@20509	2355
keir@20516	2356 flexarray_set(back, boffset++, "frontend-id");
ian@22164	2357 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", console->domid));
keir@20516	2358 flexarray_set(back, boffset++, "online");
keir@20516	2359 flexarray_set(back, boffset++, "1");
keir@20516	2360 flexarray_set(back, boffset++, "state");
ian@22164	2361 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	2362 flexarray_set(back, boffset++, "domain");
ian@22164	2363 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20516	2364 flexarray_set(back, boffset++, "protocol");
keir@20516	2365 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	2366
ian@22273	2367 flexarray_set(front, foffset++, "backend-id");
ian@22273	2368 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", console->backend_domid));
ian@22273	2369 flexarray_set(front, foffset++, "limit");
ian@22273	2370 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", LIBXL_XENCONSOLE_LIMIT));
ian@22273	2371 flexarray_set(front, foffset++, "type");
ian@22273	2372 if (console->consback == LIBXL_CONSBACK_XENCONSOLED)
ian@22273	2373 flexarray_set(front, foffset++, "xenconsoled");
ian@22273	2374 else
ian@22273	2375 flexarray_set(front, foffset++, "ioemu");
ian@22273	2376 flexarray_set(front, foffset++, "output");
ian@22273	2377 flexarray_set(front, foffset++, console->output);
ian@22273	2378
ian@22273	2379 if (device.devid == 0) {
ian@22273	2380 if (console->build_state == NULL) {
ian@22273	2381 rc = ERROR_INVAL;
ian@22273	2382 goto out_free;
ian@22273	2383 }
ian@22273	2384 flexarray_set(front, foffset++, "port");
ian@22273	2385 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%"PRIu32, console->build_state->console_port));
ian@22273	2386 flexarray_set(front, foffset++, "ring-ref");
ian@22273	2387 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%lu", console->build_state->console_mfn));
ian@22273	2388 } else {
stefano@22040	2389 flexarray_set(front, foffset++, "state");
ian@22164	2390 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
stefano@22040	2391 flexarray_set(front, foffset++, "protocol");
stefano@22040	2392 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
stefano@22040	2393 }
keir@20509	2394
ian@22164	2395 libxl__device_generic_add(ctx, &device,
ian@22164	2396 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	2397 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023	2398 rc = 0;
gianni@22023	2399 out_free:
keir@20516	2400 flexarray_free(back);
keir@20516	2401 flexarray_free(front);
gianni@22023	2402 out:
ian@22164	2403 libxl__free_all(&gc);
gianni@22023	2404 return rc;
keir@20509	2405 }
keir@20509	2406
keir@20509	2407 /******************************************************************************/
ian@21930	2408 int libxl_device_vkb_add(libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	2409 {
ian@22167	2410 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	2411 flexarray_t *front;
keir@20509	2412 flexarray_t *back;
keir@20509	2413 unsigned int boffset = 0;
keir@20509	2414 unsigned int foffset = 0;
ian@22167	2415 libxl__device device;
gianni@22023	2416 int rc;
keir@20509	2417
keir@20509	2418 front = flexarray_make(16, 1);
gianni@22023	2419 if (!front) {
gianni@22023	2420 rc = ERROR_NOMEM;
gianni@22023	2421 goto out;
gianni@22023	2422 }
keir@20509	2423 back = flexarray_make(16, 1);
gianni@22023	2424 if (!back) {
gianni@22023	2425 rc = ERROR_NOMEM;
gianni@22023	2426 goto out_free;
gianni@22023	2427 }
keir@20509	2428
keir@20509	2429 device.backend_devid = vkb->devid;
keir@20509	2430 device.backend_domid = vkb->backend_domid;
keir@20509	2431 device.backend_kind = DEVICE_VKBD;
keir@20509	2432 device.devid = vkb->devid;
keir@20509	2433 device.domid = vkb->domid;
keir@20509	2434 device.kind = DEVICE_VKBD;
keir@20509	2435
keir@20516	2436 flexarray_set(back, boffset++, "frontend-id");
ian@22164	2437 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vkb->domid));
keir@20516	2438 flexarray_set(back, boffset++, "online");
keir@20516	2439 flexarray_set(back, boffset++, "1");
keir@20516	2440 flexarray_set(back, boffset++, "state");
ian@22164	2441 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	2442 flexarray_set(back, boffset++, "domain");
ian@22164	2443 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20509	2444
keir@20516	2445 flexarray_set(front, foffset++, "backend-id");
ian@22164	2446 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", vkb->backend_domid));
keir@20516	2447 flexarray_set(front, foffset++, "state");
ian@22164	2448 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
ian@22164	2449
ian@22164	2450 libxl__device_generic_add(ctx, &device,
ian@22164	2451 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	2452 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023	2453 rc = 0;
gianni@22023	2454 out_free:
keir@20516	2455 flexarray_free(back);
keir@20516	2456 flexarray_free(front);
gianni@22023	2457 out:
ian@22164	2458 libxl__free_all(&gc);
gianni@22023	2459 return rc;
keir@20462	2460 }
keir@20462	2461
ian@21930	2462 int libxl_device_vkb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	2463 {
keir@20462	2464 return ERROR_NI;
keir@20462	2465 }
keir@20462	2466
ian@21930	2467 int libxl_device_vkb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	2468 {
keir@20462	2469 return ERROR_NI;
keir@20462	2470 }
keir@20462	2471
ian@21930	2472 libxl_device_disk libxl_device_disk_list(libxl_ctx ctx, uint32_t domid, int *num)
keir@20637	2473 {
ian@22167	2474 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20637	2475 char be_path_tap, be_path_vbd;
keir@21411	2476 libxl_device_disk dend, disks, *ret = NULL;
keir@21411	2477 char b, l = NULL;
gianni@22042	2478 unsigned int numl, len;
keir@20637	2479 char *type;
keir@20637	2480
ian@22164	2481 be_path_vbd = libxl__sprintf(&gc, "%s/backend/vbd/%d", libxl__xs_get_dompath(&gc, 0), domid);
ian@22164	2482 be_path_tap = libxl__sprintf(&gc, "%s/backend/tap/%d", libxl__xs_get_dompath(&gc, 0), domid);
ian@22164	2483
ian@22164	2484 b = l = libxl__xs_directory(&gc, XBT_NULL, be_path_vbd, &numl);
keir@20637	2485 if (l) {
keir@21411	2486 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411	2487 disks = ret;
keir@21411	2488 *num = numl;
keir@21411	2489 dend = ret + *num;
keir@21411	2490 for (; disks < dend; ++disks, ++l) {
keir@21411	2491 disks->backend_domid = 0;
keir@21411	2492 disks->domid = domid;
ian@22164	2493 disks->physpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/params", be_path_vbd, *l), &len);
ian@22164	2494 libxl_string_to_phystype(ctx, libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/type", be_path_vbd, *l)), &(disks->phystype));
ian@22164	2495 disks->virtpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/dev", be_path_vbd, *l), &len);
ian@22164	2496 disks->unpluggable = atoi(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/removable", be_path_vbd, *l)));
ian@22164	2497 if (!strcmp(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411	2498 disks->readwrite = 1;
keir@20637	2499 else
keir@21411	2500 disks->readwrite = 0;
ian@22164	2501 type = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/device-type", libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/frontend", be_path_vbd, *l))));
keir@21411	2502 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	2503 }
keir@20637	2504 }
ian@22164	2505 b = l = libxl__xs_directory(&gc, XBT_NULL, be_path_tap, &numl);
keir@20637	2506 if (l) {
keir@21411	2507 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411	2508 disks = ret + *num;
keir@21411	2509 *num += numl;
keir@21411	2510 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411	2511 disks->backend_domid = 0;
keir@21411	2512 disks->domid = domid;
ian@22164	2513 disks->physpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/params", be_path_tap, *l), &len);
ian@22164	2514 libxl_string_to_phystype(ctx, libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/type", be_path_tap, *l)), &(disks->phystype));
ian@22164	2515 disks->virtpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/dev", be_path_tap, *l), &len);
ian@22164	2516 disks->unpluggable = atoi(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/removable", be_path_tap, *l)));
ian@22164	2517 if (!strcmp(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411	2518 disks->readwrite = 1;
keir@20637	2519 else
keir@21411	2520 disks->readwrite = 0;
ian@22164	2521 type = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/device-type", libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/frontend", be_path_tap, *l))));
keir@21411	2522 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	2523 }
keir@20637	2524 }
ian@22164	2525 libxl__free_all(&gc);
keir@21411	2526 return ret;
keir@21411	2527 }
keir@21411	2528
ian@21930	2529 int libxl_device_disk_getinfo(libxl_ctx *ctx, uint32_t domid,
keir@21411	2530 libxl_device_disk disk, libxl_diskinfo diskinfo)
keir@21411	2531 {
ian@22167	2532 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21411	2533 char dompath, diskpath;
keir@21411	2534 char *val;
keir@21411	2535
ian@22164	2536 dompath = libxl__xs_get_dompath(&gc, domid);
ian@22165	2537 diskinfo->devid = libxl__device_disk_dev_number(disk->virtpath);
keir@21411	2538
keir@21411	2539 /* tap devices entries in xenstore are written as vbd devices. */
ian@22164	2540 diskpath = libxl__sprintf(&gc, "%s/device/vbd/%d", dompath, diskinfo->devid);
ian@22059	2541 diskinfo->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	2542 libxl__sprintf(&gc, "%s/backend", diskpath), NULL);
keir@21411	2543 if (!diskinfo->backend) {
ian@22164	2544 libxl__free_all(&gc);
keir@21411	2545 return ERROR_FAIL;
keir@21411	2546 }
ian@22164	2547 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", diskpath));
keir@21411	2548 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
ian@22164	2549 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", diskpath));
keir@21411	2550 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164	2551 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", diskpath));
keir@21411	2552 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
ian@22164	2553 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/ring-ref", diskpath));
keir@21411	2554 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
ian@22059	2555 diskinfo->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	2556 libxl__sprintf(&gc, "%s/frontend", diskinfo->backend), NULL);
ian@22164	2557 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", diskinfo->backend));
keir@21411	2558 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2559
ian@22164	2560 libxl__free_all(&gc);
keir@21411	2561 return 0;
keir@20637	2562 }
keir@20637	2563
ian@21930	2564 int libxl_cdrom_insert(libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20637	2565 {
keir@20637	2566 int num, i;
keir@20637	2567 uint32_t stubdomid;
keir@20637	2568 libxl_device_disk *disks;
ian@22086	2569 int ret = ERROR_FAIL;
keir@20637	2570
keir@20637	2571 if (!disk->physpath) {
keir@20637	2572 disk->physpath = "";
keir@20637	2573 disk->phystype = PHYSTYPE_PHY;
keir@20637	2574 }
keir@20637	2575 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637	2576 for (i = 0; i < num; i++) {
keir@20637	2577 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637	2578 /* found */
keir@20637	2579 break;
keir@20637	2580 }
keir@20637	2581 if (i == num) {
ian@22165	2582 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Virtual device not found");
ian@22086	2583 goto out;
keir@20637	2584 }
ian@22086	2585
ian@22086	2586 ret = 0;
ian@22086	2587
keir@20637	2588 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637	2589 libxl_device_disk_add(ctx, domid, disk);
keir@20637	2590 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637	2591 if (stubdomid) {
keir@20781	2592 disks[i].domid = stubdomid;
keir@20637	2593 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781	2594 disk->domid = stubdomid;
keir@20637	2595 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781	2596 disk->domid = domid;
keir@20637	2597 }
ian@22086	2598 out:
ian@22086	2599 for (i = 0; i < num; i++)
ian@22086	2600 libxl_device_disk_destroy(&disks[i]);
gianni@22023	2601 free(disks);
ian@22086	2602 return ret;
keir@20637	2603 }
keir@20637	2604
keir@20462	2605 /******************************************************************************/
ian@22167	2606 static int libxl_build_xenpv_qemu_args(libxl__gc *gc,
stefano@22040	2607 uint32_t domid,
keir@20509	2608 libxl_device_vfb *vfb,
keir@20860	2609 libxl_device_model_info *info)
keir@20860	2610 {
ian@22167	2611 libxl_ctx *ctx = libxl__gc_owner(gc);
keir@20509	2612 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	2613
stefano@22041	2614 if (vfb != NULL) {
stefano@22041	2615 info->vnc = vfb->vnc;
stefano@22041	2616 if (vfb->vnclisten)
ian@22164	2617 info->vnclisten = libxl__strdup(gc, vfb->vnclisten);
stefano@22041	2618 info->vncdisplay = vfb->vncdisplay;
stefano@22041	2619 info->vncunused = vfb->vncunused;
stefano@22041	2620 if (vfb->vncpasswd)
stefano@22041	2621 info->vncpasswd = vfb->vncpasswd;
stefano@22041	2622 if (vfb->keymap)
ian@22164	2623 info->keymap = libxl__strdup(gc, vfb->keymap);
stefano@22041	2624 info->sdl = vfb->sdl;
stefano@22041	2625 info->opengl = vfb->opengl;
stefano@22041	2626 } else
stefano@22041	2627 info->nographic = 1;
stefano@22040	2628 info->domid = domid;
stefano@22040	2629 info->dom_name = libxl_domid_to_name(ctx, domid);
ian@22164	2630 info->device_model = libxl__abs_path(gc, "qemu-dm", libxl_libexec_path());
keir@20509	2631 info->type = XENPV;
keir@20509	2632 return 0;
keir@20509	2633 }
keir@20509	2634
stefano@22040	2635 int libxl_create_xenpv_qemu(libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb,
ian@21930	2636 libxl_device_model_starting **starting_r)
keir@20509	2637 {
ian@22167	2638 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	2639 libxl_device_model_info info;
keir@20509	2640
stefano@22040	2641 libxl_build_xenpv_qemu_args(&gc, domid, vfb, &info);
keir@20542	2642 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
ian@22164	2643 libxl__free_all(&gc);
keir@20509	2644 return 0;
keir@20509	2645 }
keir@20509	2646
ian@21930	2647 int libxl_device_vfb_add(libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	2648 {
ian@22167	2649 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	2650 flexarray_t *front;
keir@20509	2651 flexarray_t *back;
keir@20509	2652 unsigned int boffset = 0;
keir@20509	2653 unsigned int foffset = 0;
ian@22167	2654 libxl__device device;
gianni@22023	2655 int rc;
keir@20509	2656
keir@20509	2657 front = flexarray_make(16, 1);
gianni@22023	2658 if (!front) {
gianni@22023	2659 rc = ERROR_NOMEM;
gianni@22023	2660 goto out;
gianni@22023	2661 }
keir@20509	2662 back = flexarray_make(16, 1);
gianni@22023	2663 if (!back) {
gianni@22023	2664 rc = ERROR_NOMEM;
gianni@22023	2665 goto out_free;
gianni@22023	2666 }
keir@20509	2667
keir@20509	2668 device.backend_devid = vfb->devid;
keir@20509	2669 device.backend_domid = vfb->backend_domid;
keir@20509	2670 device.backend_kind = DEVICE_VFB;
keir@20509	2671 device.devid = vfb->devid;
keir@20509	2672 device.domid = vfb->domid;
keir@20509	2673 device.kind = DEVICE_VFB;
keir@20509	2674
keir@20516	2675 flexarray_set(back, boffset++, "frontend-id");
ian@22164	2676 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->domid));
keir@20516	2677 flexarray_set(back, boffset++, "online");
keir@20516	2678 flexarray_set(back, boffset++, "1");
keir@20516	2679 flexarray_set(back, boffset++, "state");
ian@22164	2680 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", 1));
keir@20516	2681 flexarray_set(back, boffset++, "domain");
ian@22164	2682 flexarray_set(back, boffset++, libxl__domid_to_name(&gc, domid));
keir@20516	2683 flexarray_set(back, boffset++, "vnc");
ian@22164	2684 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vnc));
keir@20516	2685 flexarray_set(back, boffset++, "vnclisten");
keir@20516	2686 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362	2687 flexarray_set(back, boffset++, "vncpasswd");
keir@21362	2688 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516	2689 flexarray_set(back, boffset++, "vncdisplay");
ian@22164	2690 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vncdisplay));
keir@20516	2691 flexarray_set(back, boffset++, "vncunused");
ian@22164	2692 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->vncunused));
keir@20516	2693 flexarray_set(back, boffset++, "sdl");
ian@22164	2694 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->sdl));
keir@20516	2695 flexarray_set(back, boffset++, "opengl");
ian@22164	2696 flexarray_set(back, boffset++, libxl__sprintf(&gc, "%d", vfb->opengl));
keir@20509	2697 if (vfb->xauthority) {
keir@20516	2698 flexarray_set(back, boffset++, "xauthority");
keir@20516	2699 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	2700 }
keir@20509	2701 if (vfb->display) {
keir@20516	2702 flexarray_set(back, boffset++, "display");
keir@20516	2703 flexarray_set(back, boffset++, vfb->display);
keir@20509	2704 }
keir@20509	2705
keir@20516	2706 flexarray_set(front, foffset++, "backend-id");
ian@22164	2707 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", vfb->backend_domid));
keir@20516	2708 flexarray_set(front, foffset++, "state");
ian@22164	2709 flexarray_set(front, foffset++, libxl__sprintf(&gc, "%d", 1));
ian@22164	2710
ian@22164	2711 libxl__device_generic_add(ctx, &device,
ian@22164	2712 libxl__xs_kvs_of_flexarray(&gc, back, boffset),
ian@22164	2713 libxl__xs_kvs_of_flexarray(&gc, front, foffset));
gianni@22023	2714 rc = 0;
gianni@22023	2715 out_free:
keir@20509	2716 flexarray_free(front);
keir@20509	2717 flexarray_free(back);
gianni@22023	2718 out:
ian@22164	2719 libxl__free_all(&gc);
gianni@22023	2720 return rc;
keir@20462	2721 }
keir@20462	2722
ian@21930	2723 int libxl_device_vfb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	2724 {
keir@20462	2725 return ERROR_NI;
keir@20462	2726 }
keir@20462	2727
ian@21930	2728 int libxl_device_vfb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	2729 {
keir@20462	2730 return ERROR_NI;
keir@20462	2731 }
keir@20462	2732
keir@20462	2733 /******************************************************************************/
keir@20482	2734
ian@21930	2735 int libxl_domain_setmaxmem(libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404	2736 {
ian@22167	2737 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21404	2738 char mem, endptr;
keir@21404	2739 uint32_t memorykb;
ian@22164	2740 char *dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	2741 int rc = 1;
gianni@22023	2742
ian@22164	2743 mem = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/memory/target", dompath));
keir@21404	2744 if (!mem) {
ian@22165	2745 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
gianni@22023	2746 goto out;
keir@21404	2747 }
keir@21404	2748 memorykb = strtoul(mem, &endptr, 10);
keir@21404	2749 if (*endptr != '\0') {
ian@22165	2750 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
gianni@22023	2751 goto out;
keir@21404	2752 }
keir@21404	2753
keir@21404	2754 if (max_memkb < memorykb) {
ian@22165	2755 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
gianni@22023	2756 goto out;
keir@21404	2757 }
keir@21404	2758
gianni@22023	2759 rc = 0;
gianni@22023	2760 out:
ian@22164	2761 libxl__free_all(&gc);
gianni@22023	2762 return rc;
keir@21404	2763 }
keir@21404	2764
stefano@22244	2765 static int libxl__fill_dom0_memory_info(libxl__gc gc, uint32_t target_memkb)
stefano@22244	2766 {
stefano@22244	2767 int rc;
stefano@22244	2768 libxl_dominfo info;
stefano@22245	2769 libxl_physinfo physinfo;
stefano@22244	2770 char target = NULL, endptr = NULL;
stefano@22244	2771 char *target_path = "/local/domain/0/memory/target";
stefano@22244	2772 char *max_path = "/local/domain/0/memory/static-max";
stefano@22245	2773 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22244	2774 xs_transaction_t t;
stefano@22244	2775 libxl_ctx *ctx = libxl__gc_owner(gc);
stefano@22256	2776 uint32_t free_mem_slack = 0;
stefano@22244	2777
stefano@22244	2778 retry_transaction:
stefano@22244	2779 t = xs_transaction_start(ctx->xsh);
stefano@22244	2780
stefano@22244	2781 target = libxl__xs_read(gc, t, target_path);
stefano@22244	2782 if (target) {
stefano@22244	2783 *target_memkb = strtoul(target, &endptr, 10);
stefano@22244	2784 if (*endptr != '\0') {
stefano@22244	2785 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2786 "invalid memory target %s from %s\n", target, target_path);
stefano@22244	2787 rc = ERROR_FAIL;
stefano@22244	2788 goto out;
stefano@22244	2789 }
stefano@22244	2790 rc = 0;
stefano@22244	2791 goto out;
stefano@22244	2792 }
stefano@22244	2793
stefano@22244	2794 rc = libxl_domain_info(ctx, &info, 0);
stefano@22244	2795 if (rc < 0)
stefano@22244	2796 return rc;
stefano@22244	2797
stefano@22245	2798 rc = libxl_get_physinfo(ctx, &physinfo);
stefano@22245	2799 if (rc < 0)
stefano@22245	2800 return rc;
stefano@22245	2801
stefano@22244	2802 libxl__xs_write(gc, t, target_path, "%"PRIu32,
stefano@22244	2803 (uint32_t) info.current_memkb);
stefano@22244	2804 libxl__xs_write(gc, t, max_path, "%"PRIu32,
stefano@22244	2805 (uint32_t) info.max_memkb);
stefano@22256	2806
stefano@22256	2807 free_mem_slack = (uint32_t) (PAGE_TO_MEMKB(physinfo.total_pages) -
stefano@22256	2808 info.current_memkb);
stefano@22256	2809 /* From empirical measurements the free_mem_slack shouldn't be more
stefano@22256	2810 * than 15% of the total memory present on the system. */
stefano@22256	2811 if (free_mem_slack > PAGE_TO_MEMKB(physinfo.total_pages) * 0.15)
stefano@22256	2812 free_mem_slack = PAGE_TO_MEMKB(physinfo.total_pages) * 0.15;
stefano@22256	2813 libxl__xs_write(gc, t, free_mem_slack_path, "%"PRIu32, free_mem_slack);
stefano@22244	2814
stefano@22244	2815 *target_memkb = (uint32_t) info.current_memkb;
stefano@22244	2816 rc = 0;
stefano@22244	2817
stefano@22244	2818 out:
stefano@22244	2819 if (!xs_transaction_end(ctx->xsh, t, 0))
stefano@22244	2820 if (errno == EAGAIN)
stefano@22244	2821 goto retry_transaction;
stefano@22244	2822
stefano@22244	2823
stefano@22244	2824 return rc;
stefano@22244	2825 }
stefano@22244	2826
stefano@22245	2827 /* returns how much memory should be left free in the system */
stefano@22245	2828 static int libxl__get_free_memory_slack(libxl__gc gc, uint32_t free_mem_slack)
stefano@22245	2829 {
stefano@22245	2830 int rc;
stefano@22245	2831 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22245	2832 char free_mem_slack_s, endptr;
stefano@22245	2833 uint32_t target_memkb;
stefano@22245	2834
stefano@22245	2835 retry:
stefano@22245	2836 free_mem_slack_s = libxl__xs_read(gc, XBT_NULL, free_mem_slack_path);
stefano@22245	2837 if (!free_mem_slack_s) {
stefano@22245	2838 rc = libxl__fill_dom0_memory_info(gc, &target_memkb);
stefano@22245	2839 if (rc < 0)
stefano@22245	2840 return rc;
stefano@22245	2841 goto retry;
stefano@22245	2842 } else {
stefano@22245	2843 *free_mem_slack = strtoul(free_mem_slack_s, &endptr, 10);
stefano@22245	2844 if (*endptr != '\0') {
stefano@22245	2845 LIBXL__LOG_ERRNO(gc->owner, LIBXL__LOG_ERROR,
stefano@22245	2846 "invalid free_mem_slack %s from %s\n",
stefano@22245	2847 free_mem_slack_s, free_mem_slack_path);
stefano@22245	2848 return ERROR_FAIL;
stefano@22245	2849 }
stefano@22245	2850 }
stefano@22245	2851 return 0;
stefano@22245	2852 }
stefano@22245	2853
stefano@22244	2854 int libxl_set_memory_target(libxl_ctx *ctx, uint32_t domid,
stefano@22244	2855 int32_t target_memkb, int relative, int enforce)
keir@20647	2856 {
ian@22167	2857 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22243	2858 int rc = 1, abort = 0;
stefano@22244	2859 uint32_t memorykb = 0, videoram = 0;
stefano@22244	2860 uint32_t current_target_memkb = 0, new_target_memkb = 0;
stefano@22244	2861 char memmax, endptr, videoram_s = NULL, target = NULL;
ian@22164	2862 char *dompath = libxl__xs_get_dompath(&gc, domid);
keir@21374	2863 xc_domaininfo_t info;
ian@21930	2864 libxl_dominfo ptr;
keir@21374	2865 char *uuid;
stefano@22243	2866 xs_transaction_t t;
stefano@22243	2867
stefano@22243	2868 retry_transaction:
stefano@22243	2869 t = xs_transaction_start(ctx->xsh);
stefano@22243	2870
stefano@22244	2871 target = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	2872 "%s/memory/target", dompath));
stefano@22244	2873 if (!target && !domid) {
stefano@22244	2874 xs_transaction_end(ctx->xsh, t, 1);
stefano@22244	2875 rc = libxl__fill_dom0_memory_info(&gc, &current_target_memkb);
stefano@22244	2876 if (rc < 0) {
stefano@22244	2877 abort = 1;
stefano@22244	2878 goto out;
stefano@22244	2879 }
stefano@22244	2880 goto retry_transaction;
stefano@22244	2881 } else if (!target) {
stefano@22244	2882 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2883 "cannot get target memory info from %s/memory/target\n",
stefano@22244	2884 dompath);
stefano@22244	2885 abort = 1;
stefano@22244	2886 goto out;
stefano@22244	2887 } else {
stefano@22244	2888 current_target_memkb = strtoul(target, &endptr, 10);
stefano@22244	2889 if (*endptr != '\0') {
ian@22165	2890 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2891 "invalid memory target %s from %s/memory/target\n",
stefano@22244	2892 target, dompath);
stefano@22243	2893 abort = 1;
gianni@22023	2894 goto out;
keir@21405	2895 }
keir@21405	2896 }
stefano@22244	2897 memmax = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	2898 "%s/memory/static-max", dompath));
stefano@22244	2899 if (!memmax) {
stefano@22244	2900 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2901 "cannot get memory info from %s/memory/static-max\n",
stefano@22244	2902 dompath);
stefano@22244	2903 abort = 1;
stefano@22244	2904 goto out;
stefano@22244	2905 }
stefano@22244	2906 memorykb = strtoul(memmax, &endptr, 10);
stefano@22244	2907 if (*endptr != '\0') {
stefano@22244	2908 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2909 "invalid max memory %s from %s/memory/static-max\n",
stefano@22244	2910 memmax, dompath);
stefano@22244	2911 abort = 1;
stefano@22244	2912 goto out;
stefano@22244	2913 }
stefano@22246	2914 if (!domid && new_target_memkb < LIBXL_MIN_DOM0_MEM) {
stefano@22246	2915 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
stefano@22246	2916 "new target for dom0 is below the minimum threshold\n");
stefano@22246	2917 abort = 1;
stefano@22246	2918 goto out;
stefano@22246	2919 }
stefano@22244	2920
stefano@22244	2921 if (relative)
stefano@22244	2922 new_target_memkb = current_target_memkb + target_memkb;
stefano@22244	2923 else
stefano@22244	2924 new_target_memkb = target_memkb;
stefano@22244	2925 if (new_target_memkb > memorykb) {
stefano@22244	2926 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
stefano@22244	2927 "memory_dynamic_max must be less than or equal to"
stefano@22244	2928 " memory_static_max\n");
stefano@22244	2929 abort = 1;
stefano@22244	2930 goto out;
stefano@22244	2931 }
stefano@22244	2932
stefano@22244	2933 videoram_s = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	2934 "%s/memory/videoram", dompath));
stefano@22244	2935 videoram = videoram_s ? atoi(videoram_s) : 0;
stefano@22244	2936
stefano@22244	2937 if (enforce) {
stefano@22244	2938 memorykb = new_target_memkb;
stefano@22244	2939 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb +
stefano@22244	2940 LIBXL_MAXMEM_CONSTANT);
stefano@22244	2941 if (rc != 0) {
stefano@22244	2942 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2943 "xc_domain_setmaxmem domid=%d memkb=%d failed "
stefano@22244	2944 "rc=%d\n", domid, memorykb + LIBXL_MAXMEM_CONSTANT, rc);
stefano@22244	2945 abort = 1;
stefano@22244	2946 goto out;
stefano@22244	2947 }
stefano@22244	2948 }
stefano@22244	2949
stefano@22251	2950 new_target_memkb -= videoram;
stefano@22244	2951 rc = xc_domain_memory_set_pod_target(ctx->xch, domid,
stefano@22251	2952 new_target_memkb / 4, NULL, NULL, NULL);
stefano@22243	2953 if (rc != 0) {
stefano@22243	2954 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22243	2955 "xc_domain_memory_set_pod_target domid=%d, memkb=%d "
stefano@22251	2956 "failed rc=%d\n", domid, new_target_memkb / 4,
stefano@22243	2957 rc);
stefano@22243	2958 abort = 1;
stefano@22243	2959 goto out;
stefano@22243	2960 }
stefano@22243	2961
stefano@22244	2962 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "%s/memory/target",
stefano@22244	2963 dompath), "%"PRIu32, new_target_memkb);
keir@21374	2964 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
stefano@22243	2965 if (rc != 1 \|\| info.domain != domid) {
stefano@22243	2966 abort = 1;
gianni@22023	2967 goto out;
stefano@22243	2968 }
keir@21374	2969 xcinfo2xlinfo(&info, &ptr);
ian@22164	2970 uuid = libxl__uuid2string(&gc, ptr.uuid);
stefano@22244	2971 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "/vm/%s/memory", uuid),
stefano@22244	2972 "%"PRIu32, new_target_memkb / 1024);
gianni@22023	2973
gianni@22023	2974 out:
stefano@22243	2975 if (!xs_transaction_end(ctx->xsh, t, abort) && !abort)
stefano@22243	2976 if (errno == EAGAIN)
stefano@22243	2977 goto retry_transaction;
stefano@22243	2978
ian@22164	2979 libxl__free_all(&gc);
keir@20647	2980 return rc;
keir@20647	2981 }
keir@20875	2982
stefano@22244	2983 int libxl_get_memory_target(libxl_ctx ctx, uint32_t domid, uint32_t out_target)
stefano@22244	2984 {
stefano@22244	2985 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22244	2986 int rc = 1;
stefano@22244	2987 char target = NULL, endptr = NULL;
stefano@22244	2988 char *dompath = libxl__xs_get_dompath(&gc, domid);
stefano@22244	2989 uint32_t target_memkb;
stefano@22244	2990
stefano@22244	2991 target = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc,
stefano@22244	2992 "%s/memory/target", dompath));
stefano@22244	2993 if (!target && !domid) {
stefano@22244	2994 rc = libxl__fill_dom0_memory_info(&gc, &target_memkb);
stefano@22244	2995 if (rc < 0)
stefano@22244	2996 goto out;
stefano@22244	2997 } else if (!target) {
stefano@22244	2998 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2999 "cannot get target memory info from %s/memory/target\n",
stefano@22244	3000 dompath);
stefano@22244	3001 goto out;
stefano@22244	3002 } else {
stefano@22244	3003 target_memkb = strtoul(target, &endptr, 10);
stefano@22244	3004 if (*endptr != '\0') {
stefano@22244	3005 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	3006 "invalid memory target %s from %s/memory/target\n",
stefano@22244	3007 target, dompath);
stefano@22244	3008 goto out;
stefano@22244	3009 }
stefano@22244	3010 }
stefano@22244	3011 *out_target = target_memkb;
stefano@22244	3012 rc = 0;
stefano@22244	3013
stefano@22244	3014 out:
stefano@22244	3015 libxl__free_all(&gc);
stefano@22244	3016 return rc;
stefano@22244	3017 }
stefano@22244	3018
stefano@22245	3019 int libxl_domain_need_memory(libxl_ctx ctx, libxl_domain_build_info b_info,
stefano@22245	3020 libxl_device_model_info dm_info, uint32_t need_memkb)
stefano@22245	3021 {
stefano@22245	3022 *need_memkb = b_info->target_memkb;
stefano@22245	3023 if (b_info->hvm) {
stefano@22245	3024 *need_memkb += b_info->shadow_memkb + LIBXL_HVM_EXTRA_MEMORY;
stefano@22245	3025 if (strstr(dm_info->device_model, "stubdom-dm"))
stefano@22245	3026 need_memkb += 32 1024;
stefano@22245	3027 } else
stefano@22245	3028 *need_memkb += LIBXL_PV_EXTRA_MEMORY;
stefano@22245	3029 if (need_memkb % (2 1024))
stefano@22245	3030 need_memkb += (2 1024) - (need_memkb % (2 1024));
stefano@22245	3031 return 0;
stefano@22245	3032 }
stefano@22245	3033
stefano@22245	3034 int libxl_get_free_memory(libxl_ctx ctx, uint32_t memkb)
stefano@22245	3035 {
stefano@22245	3036 int rc = 0;
stefano@22245	3037 libxl_physinfo info;
stefano@22245	3038 uint32_t freemem_slack;
stefano@22245	3039 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245	3040
stefano@22245	3041 rc = libxl_get_physinfo(ctx, &info);
stefano@22245	3042 if (rc < 0)
stefano@22245	3043 goto out;
stefano@22245	3044 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245	3045 if (rc < 0)
stefano@22245	3046 goto out;
stefano@22245	3047
stefano@22245	3048 if ((info.free_pages + info.scrub_pages) * 4 > freemem_slack)
stefano@22245	3049 memkb = (info.free_pages + info.scrub_pages) 4 - freemem_slack;
stefano@22245	3050 else
stefano@22245	3051 *memkb = 0;
stefano@22245	3052
stefano@22245	3053 out:
stefano@22245	3054 libxl__free_all(&gc);
stefano@22245	3055 return rc;
stefano@22245	3056 }
stefano@22245	3057
stefano@22245	3058 int libxl_wait_for_free_memory(libxl_ctx *ctx, uint32_t domid, uint32_t
stefano@22245	3059 memory_kb, int wait_secs)
stefano@22245	3060 {
stefano@22245	3061 int rc = 0;
stefano@22245	3062 libxl_physinfo info;
stefano@22245	3063 uint32_t freemem_slack;
stefano@22245	3064 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245	3065
stefano@22245	3066 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245	3067 if (rc < 0)
stefano@22245	3068 goto out;
stefano@22245	3069 while (wait_secs > 0) {
stefano@22245	3070 rc = libxl_get_physinfo(ctx, &info);
stefano@22245	3071 if (rc < 0)
stefano@22245	3072 goto out;
stefano@22245	3073 if (info.free_pages * 4 - freemem_slack >= memory_kb) {
stefano@22245	3074 rc = 0;
stefano@22245	3075 goto out;
stefano@22245	3076 }
stefano@22245	3077 wait_secs--;
stefano@22245	3078 sleep(1);
stefano@22245	3079 }
stefano@22245	3080 rc = ERROR_NOMEM;
stefano@22245	3081
stefano@22245	3082 out:
stefano@22245	3083 libxl__free_all(&gc);
stefano@22245	3084 return rc;
stefano@22245	3085 }
stefano@22245	3086
stefano@22245	3087 int libxl_wait_for_memory_target(libxl_ctx *ctx, uint32_t domid, int wait_secs)
stefano@22245	3088 {
stefano@22245	3089 int rc = 0;
stefano@22245	3090 uint32_t target_memkb = 0;
stefano@22245	3091 libxl_dominfo info;
stefano@22245	3092
stefano@22245	3093 do {
stefano@22245	3094 wait_secs--;
stefano@22245	3095 sleep(1);
stefano@22245	3096
stefano@22245	3097 rc = libxl_get_memory_target(ctx, domid, &target_memkb);
stefano@22245	3098 if (rc < 0)
stefano@22245	3099 goto out;
stefano@22245	3100
stefano@22245	3101 rc = libxl_domain_info(ctx, &info, domid);
stefano@22245	3102 if (rc < 0)
stefano@22245	3103 return rc;
stefano@22245	3104 } while (wait_secs > 0 && info.current_memkb > target_memkb);
stefano@22245	3105
stefano@22245	3106 if (info.current_memkb <= target_memkb)
stefano@22245	3107 rc = 0;
stefano@22245	3108 else
stefano@22245	3109 rc = ERROR_FAIL;
stefano@22245	3110
stefano@22245	3111 out:
stefano@22245	3112 return 0;
stefano@22245	3113 }
stefano@22245	3114
ian@21930	3115 int libxl_button_press(libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875	3116 {
keir@20875	3117 int rc = -1;
keir@20875	3118
keir@20875	3119 switch (button) {
keir@20875	3120 case POWER_BUTTON:
keir@20875	3121 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875	3122 break;
keir@20875	3123 case SLEEP_BUTTON:
keir@20875	3124 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875	3125 break;
keir@20875	3126 default:
keir@20875	3127 break;
keir@20875	3128 }
keir@20875	3129
keir@20875	3130 return rc;
keir@20875	3131 }
keir@21141	3132
ian@21930	3133 int libxl_get_physinfo(libxl_ctx ctx, libxl_physinfo physinfo)
keir@21141	3134 {
keir@21141	3135 xc_physinfo_t xcphysinfo = { 0 };
keir@21141	3136 int rc;
keir@21141	3137
keir@21141	3138 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141	3139 if (rc != 0) {
ian@22165	3140 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting physinfo");
gianni@21892	3141 return ERROR_FAIL;
keir@21141	3142 }
keir@21141	3143 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141	3144 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142	3145 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141	3146 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141	3147 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141	3148 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141	3149 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141	3150 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264	3151 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264	3152 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264	3153 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264	3154
keir@21141	3155 return 0;
keir@21141	3156 }
keir@21141	3157
ian@21930	3158 const libxl_version_info* libxl_get_version_info(libxl_ctx *ctx)
keir@21266	3159 {
keir@21266	3160 union {
keir@21266	3161 xen_extraversion_t xen_extra;
keir@21266	3162 xen_compile_info_t xen_cc;
keir@21266	3163 xen_changeset_info_t xen_chgset;
keir@21266	3164 xen_capabilities_info_t xen_caps;
keir@21266	3165 xen_platform_parameters_t p_parms;
keir@21266	3166 xen_commandline_t xen_commandline;
keir@21266	3167 } u;
keir@21266	3168 long xen_version;
keir@21266	3169 libxl_version_info *info = &ctx->version_info;
keir@21266	3170
keir@21266	3171 if (info->xen_version_extra != NULL)
keir@21266	3172 return info;
keir@21266	3173
keir@21266	3174 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266	3175 info->xen_version_major = xen_version >> 16;
keir@21266	3176 info->xen_version_minor = xen_version & 0xFF;
gianni@22008	3177
keir@21266	3178 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
gianni@22008	3179 info->xen_version_extra = strdup(u.xen_extra);
keir@21266	3180
keir@21266	3181 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
gianni@22008	3182 info->compiler = strdup(u.xen_cc.compiler);
gianni@22008	3183 info->compile_by = strdup(u.xen_cc.compile_by);
gianni@22008	3184 info->compile_domain = strdup(u.xen_cc.compile_domain);
gianni@22008	3185 info->compile_date = strdup(u.xen_cc.compile_date);
keir@21266	3186
keir@21266	3187 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
gianni@22008	3188 info->capabilities = strdup(u.xen_caps);
keir@21266	3189
keir@21266	3190 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
gianni@22008	3191 info->changeset = strdup(u.xen_chgset);
keir@21266	3192
keir@21266	3193 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266	3194 info->virt_start = u.p_parms.virt_start;
keir@21266	3195
keir@21266	3196 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266	3197
keir@21266	3198 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
gianni@22008	3199 info->commandline = strdup(u.xen_commandline);
keir@21266	3200
keir@21266	3201 return info;
keir@21266	3202 }
keir@21266	3203
ian@21930	3204 libxl_vcpuinfo libxl_list_vcpu(libxl_ctx ctx, uint32_t domid,
sstabellini@22000	3205 int nb_vcpu, int nrcpus)
keir@21141	3206 {
ian@21930	3207 libxl_vcpuinfo ptr, ret;
keir@21141	3208 xc_domaininfo_t domaininfo;
keir@21141	3209 xc_vcpuinfo_t vcpuinfo;
keir@21141	3210 xc_physinfo_t physinfo = { 0 };
gianni@22015	3211 unsigned num_cpuwords;
keir@21141	3212
keir@21141	3213 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
ian@22165	3214 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting infolist");
keir@21141	3215 return NULL;
keir@21141	3216 }
keir@21141	3217 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
ian@22165	3218 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting physinfo");
keir@21141	3219 return NULL;
keir@21141	3220 }
sstabellini@22000	3221 *nrcpus = physinfo.max_cpu_id + 1;
gianni@22015	3222 ret = ptr = calloc(domaininfo.max_vcpu_id + 1, sizeof (libxl_vcpuinfo));
keir@21141	3223 if (!ptr) {
keir@21141	3224 return NULL;
keir@21141	3225 }
keir@21141	3226
gianni@22015	3227 num_cpuwords = ((physinfo.max_cpu_id + 64) / 64);
keir@21141	3228 for (nb_vcpu = 0; nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
ian@22088	3229 ptr->cpumap = malloc(num_cpuwords * sizeof(*ptr->cpumap));
keir@21141	3230 if (!ptr->cpumap) {
keir@21141	3231 return NULL;
keir@21141	3232 }
keir@21141	3233 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
ian@22165	3234 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu info");
keir@21141	3235 return NULL;
keir@21141	3236 }
sstabellini@22000	3237 if (xc_vcpu_getaffinity(ctx->xch, domid, *nb_vcpu,
sstabellini@22000	3238 ptr->cpumap, ((*nrcpus) + 7) / 8) == -1) {
ian@22165	3239 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu affinity");
keir@21141	3240 return NULL;
keir@21141	3241 }
keir@21141	3242 ptr->vcpuid = *nb_vcpu;
keir@21141	3243 ptr->cpu = vcpuinfo.cpu;
keir@21141	3244 ptr->online = !!vcpuinfo.online;
keir@21141	3245 ptr->blocked = !!vcpuinfo.blocked;
keir@21141	3246 ptr->running = !!vcpuinfo.running;
keir@21141	3247 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141	3248 }
keir@21141	3249 return ret;
keir@21141	3250 }
keir@21142	3251
ian@21930	3252 int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
sstabellini@22000	3253 uint64_t *cpumap, int nrcpus)
keir@21142	3254 {
sstabellini@22000	3255 if (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, (nrcpus + 7) / 8)) {
ian@22165	3256 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting vcpu affinity");
gianni@21892	3257 return ERROR_FAIL;
gianni@21892	3258 }
gianni@21892	3259 return 0;
keir@21142	3260 }
keir@21143	3261
stefano@22121	3262 int libxl_set_vcpuonline(libxl_ctx *ctx, uint32_t domid, uint32_t bitmask)
keir@21143	3263 {
ian@22167	3264 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22121	3265 libxl_dominfo info;
keir@21143	3266 char *dompath;
stefano@22121	3267 xs_transaction_t t;
gianni@22023	3268 int i, rc = ERROR_FAIL;
keir@21143	3269
stefano@22121	3270 if (libxl_domain_info(ctx, &info, domid) < 0) {
ian@22165	3271 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting domain info list");
gianni@22023	3272 goto out;