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

debuggers.hg

annotate tools/libxl/libxl.c @ 22854:6ec61438713a

libxl/xl: support empty disk paths (ejected cdroms)

Support empty disk paths, including in domain config files, for
compatibility with xend. This allows a domain to be created with a
cdrom which is initially in the "ejected" (no cd present) state.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

author	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
date	Tue Jan 25 18:06:53 2011 +0000 (2011-01-25)
parents	787af706dadc
children	1d1eec7e1fb4

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 {
kamala@22852	43 struct stat stat_buf;
kamala@22852	44
keir@20788	45 if (version != LIBXL_VERSION)
keir@20788	46 return ERROR_VERSION;
ian@21930	47 memset(ctx, 0, sizeof(libxl_ctx));
keir@21532	48 ctx->lg = lg;
keir@21266	49 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462	50
kamala@22852	51 if ( stat(XENSTORE_PID_FILE, &stat_buf) != 0 ) {
kamala@22852	52 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "Is xenstore daemon running?\n"
kamala@22852	53 "failed to stat %s", XENSTORE_PID_FILE);
kamala@22852	54 return ERROR_FAIL;
kamala@22852	55 }
kamala@22852	56
keir@21532	57 ctx->xch = xc_interface_open(lg,lg,0);
keir@21529	58 if (!ctx->xch) {
ian@22165	59 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681	60 "cannot open libxc handle");
keir@20819	61 return ERROR_FAIL;
keir@20819	62 }
keir@20819	63
keir@20462	64 ctx->xsh = xs_daemon_open();
dgdegra@22118	65 if (!ctx->xsh)
dgdegra@22118	66 ctx->xsh = xs_domain_open();
keir@20819	67 if (!ctx->xsh) {
ian@22165	68 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21681	69 "cannot connect to xenstore");
keir@20819	70 xc_interface_close(ctx->xch);
keir@20819	71 return ERROR_FAIL;
keir@20819	72 }
keir@20462	73 return 0;
keir@20462	74 }
keir@20462	75
ian@21930	76 int libxl_ctx_free(libxl_ctx *ctx)
keir@20462	77 {
gianni@22156	78 if (ctx->xch) xc_interface_close(ctx->xch);
ian@22084	79 libxl_version_info_destroy(&ctx->version_info);
keir@21186	80 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462	81 return 0;
keir@20462	82 }
keir@20462	83
ian@22124	84 void libxl_string_list_destroy(libxl_string_list *psl)
ian@22078	85 {
ian@22078	86 int i;
ian@22124	87 libxl_string_list sl = *psl;
ian@22078	88
ian@22078	89 if (!sl)
ian@22078	90 return;
ian@22078	91
ian@22078	92 for (i = 0; sl[i] != NULL; i++)
ian@22078	93 free(sl[i]);
ian@22078	94 free(sl);
ian@22078	95 }
ian@22078	96
ian@22124	97 void libxl_key_value_list_destroy(libxl_key_value_list *pkvl)
ian@22078	98 {
ian@22078	99 int i;
ian@22124	100 libxl_key_value_list kvl = *pkvl;
ian@22078	101
ian@22078	102 if (!kvl)
ian@22078	103 return;
ian@22078	104
ian@22078	105 for (i = 0; kvl[i] != NULL; i += 2) {
ian@22078	106 free(kvl[i]);
ian@22078	107 if (kvl[i + 1])
ian@22078	108 free(kvl[i + 1]);
ian@22078	109 }
ian@22078	110 free(kvl);
ian@22078	111 }
ian@22078	112
keir@20462	113 /******************************************************************************/
keir@20462	114
keir@20462	115
ian@21930	116 int libxl_domain_rename(libxl_ctx *ctx, uint32_t domid,
keir@21184	117 const char old_name, const char new_name,
gianni@22023	118 xs_transaction_t trans)
gianni@22023	119 {
ian@22167	120 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21184	121 char *dom_path = 0;
keir@21184	122 const char *name_path;
keir@21184	123 char *got_old_name;
keir@21184	124 unsigned int got_old_len;
keir@21184	125 xs_transaction_t our_trans = 0;
keir@21184	126 int rc;
keir@21184	127
ian@22164	128 dom_path = libxl__xs_get_dompath(&gc, domid);
keir@21184	129 if (!dom_path) goto x_nomem;
keir@21184	130
ian@22164	131 name_path= libxl__sprintf(&gc, "%s/name", dom_path);
keir@21184	132 if (!name_path) goto x_nomem;
keir@21184	133
keir@21184	134 retry_transaction:
keir@21184	135 if (!trans) {
keir@21184	136 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184	137 if (!our_trans) {
ian@22165	138 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno,
keir@21184	139 "create xs transaction for domain (re)name");
keir@21184	140 goto x_fail;
keir@21184	141 }
keir@21184	142 }
keir@21184	143
keir@21184	144 if (old_name) {
keir@21184	145 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184	146 if (!got_old_name) {
ian@22165	147 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, errno, "check old name"
keir@21184	148 " for domain %"PRIu32" allegedly named `%s'",
keir@21184	149 domid, old_name);
keir@21184	150 goto x_fail;
keir@21184	151 }
keir@21184	152 if (strcmp(old_name, got_old_name)) {
ian@22165	153 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184	154 "`%s' is actually named `%s' - racing ?",
keir@21184	155 domid, old_name, got_old_name);
keir@21184	156 free(got_old_name);
keir@21184	157 goto x_fail;
keir@21184	158 }
keir@21184	159 free(got_old_name);
keir@21184	160 }
keir@21184	161 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184	162 new_name, strlen(new_name))) {
ian@22165	163 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to write new name `%s'"
keir@21184	164 " for domain %"PRIu32" previously named `%s'",
keir@21531	165 new_name, domid, old_name);
keir@21184	166 goto x_fail;
keir@21184	167 }
keir@21184	168
keir@21184	169 if (our_trans) {
keir@21184	170 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184	171 trans = our_trans = 0;
keir@21184	172 if (errno != EAGAIN) {
ian@22165	173 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "failed to commit new name `%s'"
keir@21184	174 " for domain %"PRIu32" previously named `%s'",
keir@21531	175 new_name, domid, old_name);
keir@21184	176 goto x_fail;
keir@21184	177 }
ian@22165	178 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "need to retry rename transaction"
keir@21184	179 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184	180 domid, name_path, new_name);
keir@21184	181 goto retry_transaction;
keir@21184	182 }
keir@21184	183 our_trans = 0;
keir@21184	184 }
keir@21184	185
keir@21184	186 rc = 0;
keir@21184	187 x_rc:
keir@21184	188 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
ian@22164	189 libxl__free_all(&gc);
keir@21184	190 return rc;
keir@21184	191
keir@21184	192 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184	193 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184	194 }
keir@21184	195
ian@21930	196 int libxl_domain_resume(libxl_ctx *ctx, uint32_t domid)
keir@20629	197 {
ian@22167	198 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023	199 int rc = 0;
gianni@22023	200
ian@22165	201 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22165	202 LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Called domain_resume on "
keir@20629	203 "non-cooperative hvm domain %u", domid);
gianni@22023	204 rc = ERROR_NI;
gianni@22023	205 goto out;
keir@20629	206 }
keir@20629	207 if (xc_domain_resume(ctx->xch, domid, 1)) {
ian@22165	208 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629	209 "xc_domain_resume failed for domain %u",
keir@20629	210 domid);
gianni@22023	211 rc = ERROR_FAIL;
gianni@22023	212 goto out;
keir@20629	213 }
keir@20629	214 if (!xs_resume_domain(ctx->xsh, domid)) {
ian@22165	215 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
keir@20629	216 "xs_resume_domain failed for domain %u",
keir@20629	217 domid);
gianni@22023	218 rc = ERROR_FAIL;
keir@20629	219 }
gianni@22023	220 out:
ian@22164	221 libxl__free_all(&gc);
keir@20629	222 return 0;
keir@20629	223 }
keir@20629	224
ian@21920	225 /*
ian@21920	226 * Preserves a domain but rewrites xenstore etc to make it unique so
ian@21920	227 * that the domain can be restarted.
ian@21920	228 *
ian@21920	229 * Does not modify info so that it may be reused.
ian@21920	230 */
ian@21930	231 int libxl_domain_preserve(libxl_ctx *ctx, uint32_t domid,
Ian@21969	232 libxl_domain_create_info info, const char name_suffix, libxl_uuid new_uuid)
ian@21920	233 {
ian@22167	234 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21920	235 struct xs_permissions roperm[2];
ian@21920	236 xs_transaction_t t;
ian@21920	237 char *preserved_name;
ian@21920	238 char *uuid_string;
ian@21920	239 char *vm_path;
ian@21920	240 char *dom_path;
ian@21920	241
ian@21920	242 int rc;
ian@21920	243
ian@22164	244 preserved_name = libxl__sprintf(&gc, "%s%s", info->name, name_suffix);
gianni@22023	245 if (!preserved_name) {
ian@22164	246 libxl__free_all(&gc);
gianni@22023	247 return ERROR_NOMEM;
gianni@22023	248 }
ian@21920	249
ian@22164	250 uuid_string = libxl__uuid2string(&gc, new_uuid);
gianni@22023	251 if (!uuid_string) {
ian@22164	252 libxl__free_all(&gc);
gianni@22023	253 return ERROR_NOMEM;
gianni@22023	254 }
gianni@22023	255
ian@22164	256 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	257 if (!dom_path) {
ian@22164	258 libxl__free_all(&gc);
gianni@22023	259 return ERROR_FAIL;
gianni@22023	260 }
gianni@22023	261
ian@22164	262 vm_path = libxl__sprintf(&gc, "/vm/%s", uuid_string);
gianni@22023	263 if (!vm_path) {
ian@22164	264 libxl__free_all(&gc);
gianni@22023	265 return ERROR_FAIL;
gianni@22023	266 }
ian@21920	267
ian@21920	268 roperm[0].id = 0;
ian@21920	269 roperm[0].perms = XS_PERM_NONE;
ian@21920	270 roperm[1].id = domid;
ian@21920	271 roperm[1].perms = XS_PERM_READ;
ian@21920	272
ian@21920	273 retry_transaction:
ian@21920	274 t = xs_transaction_start(ctx->xsh);
ian@21920	275
ian@21920	276 xs_rm(ctx->xsh, t, vm_path);
ian@21920	277 xs_mkdir(ctx->xsh, t, vm_path);
ian@21920	278 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
ian@21920	279
ian@22164	280 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/vm", dom_path), vm_path, strlen(vm_path));
ian@21920	281 rc = libxl_domain_rename(ctx, domid, info->name, preserved_name, t);
juergen@22549	282 if (rc) {
juergen@22549	283 libxl__free_all(&gc);
juergen@22549	284 return rc;
juergen@22549	285 }
ian@21920	286
ian@22164	287 xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
ian@21920	288
ian@21920	289 if (!xs_transaction_end(ctx->xsh, t, 0))
ian@21920	290 if (errno == EAGAIN)
ian@21920	291 goto retry_transaction;
ian@21920	292
ian@22164	293 libxl__free_all(&gc);
ian@21920	294 return 0;
ian@21920	295 }
ian@21920	296
keir@21189	297 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
ian@21930	298 libxl_dominfo *xlinfo)
ian@21895	299 {
keir@21189	300 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189	301 xlinfo->domid = xcinfo->domain;
keir@21189	302
ian@21895	303 xlinfo->dying = !!(xcinfo->flags&XEN_DOMINF_dying);
ian@21895	304 xlinfo->shutdown = !!(xcinfo->flags&XEN_DOMINF_shutdown);
ian@21895	305 xlinfo->paused = !!(xcinfo->flags&XEN_DOMINF_paused);
ian@21895	306 xlinfo->blocked = !!(xcinfo->flags&XEN_DOMINF_blocked);
ian@21895	307 xlinfo->running = !!(xcinfo->flags&XEN_DOMINF_running);
ian@21914	308
ian@21914	309 if (xlinfo->shutdown \|\| xlinfo->dying)
ian@21914	310 xlinfo->shutdown_reason = (xcinfo->flags>>XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask;
ian@21914	311 else
ian@21914	312 xlinfo->shutdown_reason = ~0;
ian@21895	313
stefano@22241	314 xlinfo->current_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
stefano@22241	315 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->max_pages);
keir@21189	316 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189	317 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189	318 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189	319 }
keir@21189	320
ian@21930	321 libxl_dominfo * libxl_list_domain(libxl_ctx ctx, int nb_domain)
keir@20462	322 {
ian@21930	323 libxl_dominfo *ptr;
keir@20867	324 int i, ret;
keir@20822	325 xc_domaininfo_t info[1024];
keir@20822	326 int size = 1024;
keir@20462	327
ian@21930	328 ptr = calloc(size, sizeof(libxl_dominfo));
gianni@21892	329 if (!ptr) {
ian@22165	330 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating domain info");
gianni@21892	331 return NULL;
gianni@21892	332 }
keir@20822	333
keir@20860	334 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
gianni@21892	335 if (ret<0) {
ian@22165	336 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	337 return NULL;
gianni@21892	338 }
keir@20784	339
keir@21189	340 for (i = 0; i < ret; i++) {
keir@21189	341 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462	342 }
keir@20867	343 *nb_domain = ret;
keir@20462	344 return ptr;
keir@20462	345 }
keir@20462	346
ian@21930	347 int libxl_domain_info(libxl_ctx ctx, libxl_dominfo info_r,
keir@21189	348 uint32_t domid) {
keir@21189	349 xc_domaininfo_t xcinfo;
keir@21189	350 int ret;
keir@21189	351
keir@21189	352 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
gianni@21892	353 if (ret<0) {
ian@22165	354 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	355 return ERROR_FAIL;
gianni@21892	356 }
keir@21189	357 if (ret==0 \|\| xcinfo.domain != domid) return ERROR_INVAL;
keir@21189	358
keir@21189	359 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189	360 return 0;
keir@21189	361 }
keir@21189	362
juergen@22319	363 libxl_cpupoolinfo * libxl_list_cpupool(libxl_ctx ctx, int nb_pool)
keir@21368	364 {
juergen@22319	365 libxl_cpupoolinfo ptr, tmp;
juergen@22396	366 int i;
juergen@22317	367 xc_cpupoolinfo_t *info;
juergen@22317	368 uint32_t poolid;
juergen@22317	369
juergen@22317	370 ptr = NULL;
juergen@22317	371
juergen@22317	372 poolid = 0;
juergen@22317	373 for (i = 0;; i++) {
juergen@22317	374 info = xc_cpupool_getinfo(ctx->xch, poolid);
juergen@22317	375 if (info == NULL)
juergen@22317	376 break;
juergen@22319	377 tmp = realloc(ptr, (i + 1) * sizeof(libxl_cpupoolinfo));
juergen@22317	378 if (!tmp) {
juergen@22317	379 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating cpupool info");
juergen@22317	380 free(ptr);
juergen@22396	381 xc_cpupool_infofree(ctx->xch, info);
juergen@22317	382 return NULL;
juergen@22317	383 }
juergen@22317	384 ptr = tmp;
juergen@22317	385 ptr[i].poolid = info->cpupool_id;
juergen@22319	386 ptr[i].sched_id = info->sched_id;
juergen@22319	387 ptr[i].n_dom = info->n_dom;
juergen@22396	388 if (libxl_cpumap_alloc(ctx, &ptr[i].cpumap)) {
juergen@22396	389 xc_cpupool_infofree(ctx->xch, info);
juergen@22319	390 break;
juergen@22396	391 }
juergen@22396	392 memcpy(ptr[i].cpumap.map, info->cpumap, ptr[i].cpumap.size);
juergen@22317	393 poolid = info->cpupool_id + 1;
juergen@22396	394 xc_cpupool_infofree(ctx->xch, info);
gianni@21892	395 }
keir@21368	396
juergen@22317	397 *nb_pool = i;
keir@21368	398 return ptr;
keir@21368	399 }
keir@21368	400
keir@20860	401 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
ian@21930	402 libxl_vminfo * libxl_list_vm(libxl_ctx ctx, int nb_vm)
keir@20860	403 {
ian@21930	404 libxl_vminfo *ptr;
keir@20860	405 int index, i, ret;
keir@20860	406 xc_domaininfo_t info[1024];
keir@20860	407 int size = 1024;
keir@20860	408
ian@21930	409 ptr = calloc(size, sizeof(libxl_dominfo));
keir@20860	410 if (!ptr)
keir@20860	411 return NULL;
keir@20860	412
keir@20860	413 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
gianni@21892	414 if (ret<0) {
ian@22165	415 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "geting domain info list");
gianni@21892	416 return NULL;
gianni@21892	417 }
keir@20860	418 for (index = i = 0; i < ret; i++) {
keir@20860	419 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860	420 continue;
keir@20860	421 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860	422 ptr[index].domid = info[i].domain;
keir@20860	423
keir@20860	424 index++;
keir@20860	425 }
keir@20860	426 *nb_vm = index;
keir@20860	427 return ptr;
keir@20860	428 }
keir@20860	429
ian@21930	430 int libxl_domain_suspend(libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	431 uint32_t domid, int fd)
keir@20462	432 {
ian@22165	433 int hvm = libxl__domain_is_hvm(ctx, domid);
keir@20565	434 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@21543	435 int debug = info != NULL && info->flags & XL_SUSPEND_DEBUG;
gianni@22023	436 int rc = 0;
keir@20462	437
ian@22371	438 rc = libxl__domain_suspend_common(ctx, domid, fd, hvm, live, debug);
ian@22371	439 if (!rc && hvm)
ian@22165	440 rc = libxl__domain_save_device_model(ctx, domid, fd);
gianni@22023	441 return rc;
keir@20462	442 }
keir@20462	443
ian@21930	444 int libxl_domain_pause(libxl_ctx *ctx, uint32_t domid)
keir@20462	445 {
gianni@21892	446 int ret;
gianni@21892	447 ret = xc_domain_pause(ctx->xch, domid);
gianni@21892	448 if (ret<0) {
ian@22165	449 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "pausing domain %d", domid);
gianni@21892	450 return ERROR_FAIL;
gianni@21892	451 }
Ian@21888	452 return 0;
keir@20462	453 }
keir@20462	454
ian@21930	455 int libxl_domain_core_dump(libxl_ctx *ctx, uint32_t domid,
gianni@21892	456 const char *filename)
sstabellini@21870	457 {
gianni@21892	458 int ret;
gianni@21892	459 ret = xc_domain_dumpcore(ctx->xch, domid, filename);
gianni@21892	460 if (ret<0) {
ian@22165	461 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "core dumping domain %d to %s",
gianni@21892	462 domid, filename);
Ian@21888	463 return ERROR_FAIL;
gianni@21892	464 }
Ian@21888	465 return 0;
sstabellini@21870	466 }
sstabellini@21870	467
ian@21930	468 int libxl_domain_unpause(libxl_ctx *ctx, uint32_t domid)
keir@20462	469 {
ian@22167	470 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20779	471 char *path;
keir@20565	472 char *state;
gianni@22023	473 int ret, rc = 0;
keir@20565	474
ian@22165	475 if (libxl__domain_is_hvm(ctx, domid)) {
ian@22164	476 path = libxl__sprintf(&gc, "/local/domain/0/device-model/%d/state", domid);
ian@22164	477 state = libxl__xs_read(&gc, XBT_NULL, path);
keir@20565	478 if (state != NULL && !strcmp(state, "paused")) {
ian@22164	479 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/0/device-model/%d/command", domid), "continue");
ian@22164	480 libxl__wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	481 }
keir@20565	482 }
gianni@21892	483 ret = xc_domain_unpause(ctx->xch, domid);
gianni@21892	484 if (ret<0) {
ian@22165	485 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unpausing domain %d", domid);
gianni@22023	486 rc = ERROR_FAIL;
gianni@21892	487 }
ian@22164	488 libxl__free_all(&gc);
gianni@22023	489 return rc;
keir@20462	490 }
keir@20462	491
keir@20462	492 static char *req_table[] = {
keir@20462	493 [0] = "poweroff",
keir@20462	494 [1] = "reboot",
keir@20462	495 [2] = "suspend",
keir@20462	496 [3] = "crash",
keir@20462	497 [4] = "halt",
keir@20462	498 };
keir@20462	499
ian@21930	500 int libxl_domain_shutdown(libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	501 {
ian@22167	502 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	503 char *shutdown_path;
keir@20462	504 char *dom_path;
keir@20462	505
gianni@22023	506 if (req > ARRAY_SIZE(req_table)) {
ian@22164	507 libxl__free_all(&gc);
keir@20462	508 return ERROR_INVAL;
gianni@22023	509 }
gianni@22023	510
ian@22164	511 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	512 if (!dom_path) {
ian@22164	513 libxl__free_all(&gc);
keir@20512	514 return ERROR_FAIL;
gianni@22023	515 }
gianni@22023	516
ian@22165	517 if (libxl__domain_is_hvm(ctx,domid)) {
keir@20462	518 unsigned long pvdriver = 0;
gianni@21892	519 int ret;
gianni@21892	520 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
gianni@21892	521 if (ret<0) {
ian@22165	522 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting HVM callback IRQ");
juergen@22549	523 libxl__free_all(&gc);
gianni@21892	524 return ERROR_FAIL;
gianni@21892	525 }
ian@22833	526 if (!pvdriver) {
ian@22833	527 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "HVM domain without PV drivers:"
ian@22833	528 " graceful shutdown not possible, use destroy");
ian@22833	529 libxl__free_all(&gc);
ian@22833	530 return ERROR_FAIL;
ian@22833	531 }
keir@20462	532 }
ian@22833	533
ian@22833	534 shutdown_path = libxl__sprintf(&gc, "%s/control/shutdown", dom_path);
ian@22833	535 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
ian@22833	536
ian@22164	537 libxl__free_all(&gc);
Ian@21888	538 return 0;
keir@20462	539 }
keir@20462	540
ian@21930	541 int libxl_get_wait_fd(libxl_ctx ctx, int fd)
keir@20545	542 {
keir@20545	543 *fd = xs_fileno(ctx->xsh);
keir@20545	544 return 0;
keir@20545	545 }
keir@20545	546
ian@21930	547 int libxl_wait_for_domain_death(libxl_ctx ctx, uint32_t domid, libxl_waiter waiter)
keir@20637	548 {
keir@20637	549 waiter->path = strdup("@releaseDomain");
ian@21913	550 if (asprintf(&(waiter->token), "%d", LIBXL_EVENT_DOMAIN_DEATH) < 0)
keir@21417	551 return -1;
keir@20637	552 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637	553 return -1;
keir@20637	554 return 0;
keir@20637	555 }
keir@20637	556
ian@21930	557 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	558 {
ian@22167	559 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22023	560 int i, rc = -1;
keir@20637	561 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637	562
keir@20637	563 if (!domid)
keir@20637	564 domid = guest_domid;
keir@20637	565
keir@20637	566 for (i = 0; i < num_disks; i++) {
keir@21417	567 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
ian@22164	568 libxl__xs_get_dompath(&gc, domid),
ian@22165	569 libxl__device_disk_dev_number(disks[i].virtpath)) < 0)
gianni@22023	570 goto out;
ian@21913	571 if (asprintf(&(waiter[i].token), "%d", LIBXL_EVENT_DISK_EJECT) < 0)
gianni@22023	572 goto out;
keir@20637	573 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637	574 }
gianni@22023	575 rc = 0;
gianni@22023	576 out:
ian@22164	577 libxl__free_all(&gc);
gianni@22023	578 return rc;
keir@20637	579 }
keir@20637	580
ian@21930	581 int libxl_get_event(libxl_ctx ctx, libxl_event event)
keir@20545	582 {
keir@20545	583 unsigned int num;
keir@20637	584 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637	585 if (num != 2) {
keir@20637	586 free(events);
gianni@21892	587 return ERROR_FAIL;
keir@20637	588 }
keir@20637	589 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637	590 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637	591 event->type = atoi(event->token);
keir@20637	592 free(events);
keir@20637	593 return 0;
keir@20637	594 }
keir@20637	595
ian@21930	596 int libxl_stop_waiting(libxl_ctx ctx, libxl_waiter waiter)
keir@20637	597 {
keir@20637	598 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
gianni@21892	599 return ERROR_FAIL;
keir@20637	600 else
keir@20637	601 return 0;
keir@20637	602 }
keir@20637	603
keir@20637	604 int libxl_free_event(libxl_event *event)
keir@20637	605 {
keir@20637	606 free(event->path);
keir@20637	607 free(event->token);
keir@20637	608 return 0;
keir@20637	609 }
keir@20637	610
keir@20637	611 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637	612 {
keir@20637	613 free(waiter->path);
keir@20637	614 free(waiter->token);
keir@20637	615 return 0;
keir@20637	616 }
keir@20637	617
ian@21930	618 int libxl_event_get_domain_death_info(libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_dominfo *info)
keir@20637	619 {
ian@21916	620 if (libxl_domain_info(ctx, info, domid) < 0)
ian@21916	621 return 0;
ian@21916	622
ian@21916	623 if (info->running \|\| (!info->shutdown && !info->dying))
ian@21916	624 return ERROR_INVAL;
ian@21916	625
ian@21916	626 return 1;
keir@20545	627 }
keir@20545	628
ian@21930	629 int libxl_event_get_disk_eject_info(libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_device_disk *disk)
keir@20637	630 {
ian@22167	631 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@21916	632 char *path;
ian@21916	633 char *backend;
ian@21916	634 char *value;
ian@21916	635
ian@22164	636 value = libxl__xs_read(&gc, XBT_NULL, event->path);
gianni@22023	637
gianni@22023	638 if (!value \|\| strcmp(value, "eject")) {
ian@22164	639 libxl__free_all(&gc);
ian@21916	640 return 0;
gianni@22023	641 }
ian@21916	642
ian@21916	643 path = strdup(event->path);
ian@21916	644 path[strlen(path) - 6] = '\0';
ian@22164	645 backend = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend", path));
ian@21916	646
ian@21916	647 disk->backend_domid = 0;
ian@21916	648 disk->domid = domid;
stefano@22854	649 disk->physpath = strdup("");
stefano@22854	650 disk->phystype = PHYSTYPE_EMPTY;
ian@21916	651 /* this value is returned to the user: do not free right away */
ian@22164	652 disk->virtpath = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/dev", backend));
ian@21916	653 disk->unpluggable = 1;
ian@21916	654 disk->readwrite = 0;
ian@21916	655 disk->is_cdrom = 1;
ian@21916	656
ian@21916	657 free(path);
ian@22164	658 libxl__free_all(&gc);
ian@21916	659 return 1;
keir@20637	660 }
keir@20637	661
ian@21930	662 int libxl_domain_destroy(libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	663 {
ian@22167	664 libxl__gc gc = LIBXL_INIT_GC(ctx);
gianni@22853	665 libxl_dominfo dominfo;
keir@20801	666 char *dom_path;
ian@21894	667 char *vm_path;
keir@20628	668 int rc, dm_present;
keir@20628	669
gianni@22853	670 rc = libxl_domain_info(ctx, &dominfo, domid);
gianni@22853	671 switch(rc) {
gianni@22853	672 case 0:
gianni@22853	673 break;
gianni@22853	674 case ERROR_INVAL:
gianni@22853	675 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "non-existant domain %d", domid);
gianni@22853	676 default:
gianni@22853	677 return rc;
gianni@22853	678 }
gianni@22853	679
ian@22165	680 if (libxl__domain_is_hvm(ctx, domid)) {
keir@20628	681 dm_present = 1;
keir@20628	682 } else {
keir@20628	683 char *pid;
ian@22164	684 pid = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "/local/domain/%d/image/device-model-pid", domid));
keir@20628	685 dm_present = (pid != NULL);
keir@20628	686 }
keir@20462	687
ian@22164	688 dom_path = libxl__xs_get_dompath(&gc, domid);
gianni@22023	689 if (!dom_path) {
gianni@22023	690 rc = ERROR_FAIL;
gianni@22023	691 goto out;
gianni@22023	692 }
keir@20512	693
keir@20482	694 if (libxl_device_pci_shutdown(ctx, domid) < 0)
ian@22165	695 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20512	696 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	697 if (rc < 0) {
ian@22165	698 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	699 }
keir@20628	700 if (dm_present) {
gianni@22725	701 if (libxl__destroy_device_model(ctx, domid) < 0)
gianni@22725	702 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl__destroy_device_model failed for %d", domid);
keir@20628	703 }
ian@22164	704 if (libxl__devices_destroy(ctx, domid, force) < 0)
ian@22165	705 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
ian@21891	706
ian@22164	707 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/vm", dom_path));
keir@20823	708 if (vm_path)
keir@20823	709 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
ian@22165	710 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779	711
ian@21891	712 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
ian@22165	713 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "xs_rm failed for %s", dom_path);
ian@21891	714
keir@21190	715 libxl__userdata_destroyall(ctx, domid);
keir@21190	716
keir@20545	717 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	718 if (rc < 0) {
ian@22165	719 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
gianni@22023	720 rc = ERROR_FAIL;
gianni@22023	721 goto out;
keir@20545	722 }
gianni@22023	723 rc = 0;
gianni@22023	724 out:
ian@22164	725 libxl__free_all(&gc);
keir@20462	726 return 0;
keir@20462	727 }
keir@20462	728
stefano@22040	729 int libxl_console_exec(libxl_ctx *ctx, uint32_t domid, int cons_num, libxl_console_constype type)
keir@20564	730 {
ian@22167	731 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@22164	732 char *p = libxl__sprintf(&gc, "%s/xenconsole", libxl_private_bindir_path());
ian@22164	733 char *domid_s = libxl__sprintf(&gc, "%d", domid);
ian@22164	734 char *cons_num_s = libxl__sprintf(&gc, "%d", cons_num);
stefano@22040	735 char *cons_type_s;
stefano@22040	736
ian@22071	737 switch (type) {
ian@22071	738 case LIBXL_CONSTYPE_PV:
stefano@22040	739 cons_type_s = "pv";
ian@22071	740 break;
ian@22071	741 case LIBXL_CONSTYPE_SERIAL:
stefano@22040	742 cons_type_s = "serial";
ian@22071	743 break;
ian@22071	744 default:
ian@22071	745 goto out;
ian@22071	746 }
stefano@22040	747
stefano@22040	748 execl(p, p, domid_s, "--num", cons_num_s, "--type", cons_type_s, (void *)NULL);
ian@22071	749
ian@22071	750 out:
ian@22164	751 libxl__free_all(&gc);
gianni@22023	752 return ERROR_FAIL;
keir@20564	753 }
keir@20564	754
ian@21930	755 int libxl_primary_console_exec(libxl_ctx *ctx, uint32_t domid_vm)
sstabellini@21867	756 {
sstabellini@21867	757 uint32_t stubdomid = libxl_get_stubdom_id(ctx, domid_vm);
sstabellini@21867	758 if (stubdomid)
stefano@22845	759 return libxl_console_exec(ctx, stubdomid,
stefano@22845	760 STUBDOM_CONSOLE_SERIAL, LIBXL_CONSTYPE_PV);
stefano@22040	761 else {
ian@22165	762 if (libxl__domain_is_hvm(ctx, domid_vm))
stefano@22040	763 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_SERIAL);
stefano@22040	764 else
stefano@22040	765 return libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSTYPE_PV);
stefano@22040	766 }
sstabellini@21867	767 }
sstabellini@21867	768
ian@21930	769 int libxl_vncviewer_exec(libxl_ctx *ctx, uint32_t domid, int autopass)
sstabellini@21879	770 {
ian@22167	771 libxl__gc gc = LIBXL_INIT_GC(ctx);
sstabellini@21879	772 const char vnc_port, vfb_back;
sstabellini@21879	773 const char vnc_listen = NULL, vnc_pass = NULL;
sstabellini@21879	774 int port = 0, autopass_fd = -1;
sstabellini@21879	775 char vnc_bin, args[] = {
sstabellini@21879	776 "vncviewer",
sstabellini@21879	777 NULL, /* hostname:display */
sstabellini@21879	778 NULL, /* -autopass */
sstabellini@21879	779 NULL,
sstabellini@21879	780 };
sstabellini@21879	781
ian@22164	782 vnc_port = libxl__xs_read(&gc, XBT_NULL,
ian@22164	783 libxl__sprintf(&gc,
sstabellini@21879	784 "/local/domain/%d/console/vnc-port", domid));
sstabellini@21879	785 if ( vnc_port )
sstabellini@21879	786 port = atoi(vnc_port) - 5900;
sstabellini@21879	787
ian@22164	788 vfb_back = libxl__xs_read(&gc, XBT_NULL,
ian@22164	789 libxl__sprintf(&gc,
sstabellini@21879	790 "/local/domain/%d/device/vfb/0/backend", domid));
sstabellini@21879	791 if ( vfb_back ) {
ian@22164	792 vnc_listen = libxl__xs_read(&gc, XBT_NULL,
ian@22164	793 libxl__sprintf(&gc,
sstabellini@21879	794 "/local/domain/%d/console/vnc-listen", domid));
sstabellini@21879	795 if ( autopass )
ian@22164	796 vnc_pass = libxl__xs_read(&gc, XBT_NULL,
ian@22164	797 libxl__sprintf(&gc,
sstabellini@21879	798 "/local/domain/%d/console/vnc-pass", domid));
sstabellini@21879	799 }
sstabellini@21879	800
sstabellini@21879	801 if ( NULL == vnc_listen )
sstabellini@21879	802 vnc_listen = "localhost";
sstabellini@21879	803
sstabellini@21879	804 if ( (vnc_bin = getenv("VNCVIEWER")) )
sstabellini@21879	805 args[0] = vnc_bin;
sstabellini@21879	806
ian@22164	807 args[1] = libxl__sprintf(&gc, "%s:%d", vnc_listen, port);
sstabellini@21879	808
sstabellini@21879	809 if ( vnc_pass ) {
sstabellini@21879	810 char tmpname[] = "/tmp/vncautopass.XXXXXX";
sstabellini@21879	811 autopass_fd = mkstemp(tmpname);
sstabellini@21879	812 if ( autopass_fd < 0 )
sstabellini@21879	813 goto skip_autopass;
sstabellini@21879	814
sstabellini@21879	815 if ( unlink(tmpname) )
sstabellini@21879	816 /* should never happen */
ian@22165	817 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "unlink %s failed", tmpname);
sstabellini@21879	818
sstabellini@21879	819 if ( libxl_write_exactly(ctx, autopass_fd, vnc_pass, strlen(vnc_pass),
sstabellini@21879	820 tmpname, "vnc password") ) {
sstabellini@21879	821 do { close(autopass_fd); } while(errno == EINTR);
sstabellini@21879	822 goto skip_autopass;
sstabellini@21879	823 }
sstabellini@21879	824
sstabellini@21879	825 args[2] = "-autopass";
sstabellini@21879	826 }
sstabellini@21879	827
sstabellini@21879	828 skip_autopass:
ian@22164	829 libxl__free_all(&gc);
ian@22164	830 libxl__exec(autopass_fd, -1, -1, args[0], args);
sstabellini@21879	831 return 0;
sstabellini@21879	832 }
sstabellini@21879	833
keir@20462	834 /******************************************************************************/
keir@20566	835
ian@21930	836 int libxl_device_disk_add(libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	837 {
ian@22167	838 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	839 flexarray_t *front;
keir@20462	840 flexarray_t *back;
keir@20462	841 char *backend_type;
keir@20462	842 int devid;
ian@22167	843 libxl__device device;
gianni@22023	844 int major, minor, rc;
keir@20462	845
keir@20462	846 front = flexarray_make(16, 1);
gianni@22023	847 if (!front) {
gianni@22023	848 rc = ERROR_NOMEM;
gianni@22023	849 goto out;
gianni@22023	850 }
keir@20462	851 back = flexarray_make(16, 1);
gianni@22023	852 if (!back) {
gianni@22023	853 rc = ERROR_NOMEM;
gianni@22023	854 goto out_free;
gianni@22023	855 }
keir@20462	856
ian@22165	857 backend_type = libxl__device_disk_backend_type_of_phystype(disk->phystype);
ian@22165	858 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20947	859 if (devid==-1) {
ian@22165	860 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Invalid or unsupported"
keir@20947	861 " virtual disk identifier %s", disk->virtpath);
gianni@22023	862 rc = ERROR_INVAL;
gianni@22023	863 goto out_free;
keir@20947	864 }
keir@20462	865
keir@20462	866 device.backend_devid = devid;
keir@20462	867 device.backend_domid = disk->backend_domid;
keir@20462	868 device.devid = devid;
keir@20462	869 device.domid = disk->domid;
keir@20462	870 device.kind = DEVICE_VBD;
keir@20462	871
keir@20462	872 switch (disk->phystype) {
keir@20462	873 case PHYSTYPE_PHY: {
keir@20462	874
ian@22165	875 libxl__device_physdisk_major_minor(disk->physpath, &major, &minor);
gianni@22726	876 flexarray_append(back, "physical-device");
gianni@22726	877 flexarray_append(back, libxl__sprintf(&gc, "%x:%x", major, minor));
gianni@22726	878
gianni@22726	879 flexarray_append(back, "params");
gianni@22726	880 flexarray_append(back, disk->physpath);
keir@20462	881
keir@20462	882 device.backend_kind = DEVICE_VBD;
keir@20462	883 break;
keir@20462	884 }
stefano@22854	885 case PHYSTYPE_EMPTY:
stefano@22854	886 break;
keir@20566	887 case PHYSTYPE_FILE:
keir@20566	888 /* let's pretend is tap:aio for the moment */
keir@20566	889 disk->phystype = PHYSTYPE_AIO;
Christoph@22044	890 case PHYSTYPE_AIO:
Christoph@22044	891 case PHYSTYPE_QCOW:
Christoph@22044	892 case PHYSTYPE_QCOW2:
Christoph@22044	893 case PHYSTYPE_VHD:
ian@22165	894 if (libxl__blktap_enabled(&gc)) {
ian@22165	895 const char *dev = libxl__blktap_devpath(&gc,
Christoph@22044	896 disk->physpath, disk->phystype);
gianni@22023	897 if (!dev) {
gianni@22023	898 rc = ERROR_FAIL;
gianni@22023	899 goto out_free;
gianni@22023	900 }
gianni@22726	901 flexarray_append(back, "tapdisk-params");
gianni@22726	902 flexarray_append(back, libxl__sprintf(&gc, "%s:%s", libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
gianni@22726	903 flexarray_append(back, "params");
gianni@22726	904 flexarray_append(back, libxl__strdup(&gc, dev));
keir@20566	905 backend_type = "phy";
ian@22165	906 libxl__device_physdisk_major_minor(dev, &major, &minor);
gianni@22726	907 flexarray_append(back, "physical-device");
gianni@22726	908 flexarray_append(back, libxl__sprintf(&gc, "%x:%x", major, minor));
keir@20566	909 device.backend_kind = DEVICE_VBD;
keir@20566	910
keir@20566	911 break;
keir@20566	912 }
gianni@22726	913 flexarray_append(back, "params");
gianni@22726	914 flexarray_append(back, libxl__sprintf(&gc, "%s:%s",
ian@22165	915 libxl__device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	916
stefano@22468	917 if (libxl__blktap_enabled(&gc))
stefano@22468	918 device.backend_kind = DEVICE_TAP;
stefano@22468	919 else
stefano@22468	920 device.backend_kind = DEVICE_QDISK;
keir@20462	921 break;
Christoph@22044	922
keir@20846	923 default:
ian@22165	924 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
gianni@22023	925 rc = ERROR_INVAL;
gianni@22023	926 goto out_free;
keir@20462	927 }
keir@20462	928
gianni@22726	929 flexarray_append(back, "frontend-id");
gianni@22726	930 flexarray_append(back, libxl__sprintf(&gc, "%d", disk->domid));
gianni@22726	931 flexarray_append(back, "online");
gianni@22726	932 flexarray_append(back, "1");
gianni@22726	933 flexarray_append(back, "removable");
gianni@22726	934 flexarray_append(back, libxl__sprintf(&gc, "%d", (disk->unpluggable) ? 1 : 0));
gianni@22726	935 flexarray_append(back, "bootable");
gianni@22726	936 flexarray_append(back, libxl__sprintf(&gc, "%d", 1));
gianni@22726	937 flexarray_append(back, "state");
gianni@22726	938 flexarray_append(back, libxl__sprintf(&gc, "%d", 1));
gianni@22726	939 flexarray_append(back, "dev");
gianni@22726	940 flexarray_append(back, disk->virtpath);
gianni@22726	941 flexarray_append(back, "type");
gianni@22726	942 flexarray_append(back, backend_type);
gianni@22726	943 flexarray_append(back, "mode");
gianni@22726	944 flexarray_append(back, disk->readwrite ? "w" : "r");
gianni@22726	945
gianni@22726	946 flexarray_append(front, "backend-id");
gianni@22726	947 flexarray_append(front, libxl__sprintf(&gc, "%d", disk->backend_domid));
gianni@22726	948 flexarray_append(front, "state");
gianni@22726	949 flexarray_append(front, libxl__sprintf(&gc, "%d", 1));
gianni@22726	950 flexarray_append(front, "virtual-device");
gianni@22726	951 flexarray_append(front, libxl__sprintf(&gc, "%d", devid));
gianni@22726	952 flexarray_append(front, "device-type");
gianni@22726	953 flexarray_append(front, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	954
keir@20462	955 if (0 /* protocol != native*/) {
gianni@22726	956 flexarray_append(front, "protocol");
gianni@22726	957 flexarray_append(front, "x86_32-abi"); /* hardcoded ! */
keir@20462	958 }
keir@20462	959
ian@22164	960 libxl__device_generic_add(ctx, &device,
gianni@22726	961 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	962 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
gianni@22023	963
gianni@22023	964 rc = 0;
gianni@22023	965
gianni@22023	966 out_free:
keir@20516	967 flexarray_free(back);
keir@20516	968 flexarray_free(front);
gianni@22023	969 out:
ian@22164	970 libxl__free_all(&gc);
gianni@22023	971 return rc;
keir@20462	972 }
keir@20462	973
ian@21930	974 int libxl_device_disk_del(libxl_ctx *ctx,
keir@20626	975 libxl_device_disk *disk, int wait)
keir@20462	976 {
ian@22167	977 libxl__device device;
keir@20626	978 int devid;
keir@20462	979
ian@22165	980 devid = libxl__device_disk_dev_number(disk->virtpath);
keir@20626	981 device.backend_domid = disk->backend_domid;
keir@20626	982 device.backend_devid = devid;
keir@20626	983 device.backend_kind =
keir@20626	984 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	985 device.domid = disk->domid;
keir@20626	986 device.devid = devid;
keir@20626	987 device.kind = DEVICE_VBD;
ian@22164	988 return libxl__device_del(ctx, &device, wait);
keir@20462	989 }
keir@20462	990
gianni@22023	991 char * libxl_device_disk_local_attach(libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	992 {
ian@22167	993 libxl__gc gc = LIBXL_INIT_GC(ctx);
Christoph@22044	994 const char *dev = NULL;
Christoph@22044	995 char *ret;
Ian@21849	996 int phystype = disk->phystype;
Ian@21849	997 switch (phystype) {
Ian@21849	998 case PHYSTYPE_PHY: {
Ian@21849	999 fprintf(stderr, "attaching PHY disk %s to domain 0\n", disk->physpath);
Ian@21849	1000 dev = disk->physpath;
Ian@21849	1001 break;
Ian@21849	1002 }
Ian@21849	1003 case PHYSTYPE_FILE:
Ian@21849	1004 /* let's pretend is tap:aio for the moment */
Ian@21849	1005 phystype = PHYSTYPE_AIO;
Christoph@22044	1006 case PHYSTYPE_AIO:
Christoph@22044	1007 case PHYSTYPE_QCOW:
Christoph@22044	1008 case PHYSTYPE_QCOW2:
Christoph@22044	1009 case PHYSTYPE_VHD:
ian@22165	1010 if (libxl__blktap_enabled(&gc))
ian@22165	1011 dev = libxl__blktap_devpath(&gc, disk->physpath, phystype);
Ian@21849	1012 break;
Christoph@22044	1013
Ian@21849	1014 default:
ian@22165	1015 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unrecognized disk physical type: %d\n", phystype);
Ian@21849	1016 break;
Ian@21849	1017 }
gianni@22023	1018 ret = strdup(dev);
ian@22164	1019 libxl__free_all(&gc);
gianni@22023	1020 return ret;
Ian@21849	1021 }
Ian@21849	1022
ian@21930	1023 int libxl_device_disk_local_detach(libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	1024 {
Ian@21849	1025 /* Nothing to do for PHYSTYPE_PHY. */
Ian@21849	1026
Ian@21849	1027 /*
Ian@21849	1028 * For other device types assume that the blktap2 process is
Ian@21849	1029 * needed by the soon to be started domain and do nothing.
Ian@21849	1030 */
Ian@21849	1031
Ian@21849	1032 return 0;
Ian@21849	1033 }
Ian@21849	1034
keir@20462	1035 /******************************************************************************/
gianni@22768	1036 int libxl_device_nic_init(libxl_device_nic *nic_info, int devnum)
gianni@22768	1037 {
gianni@22768	1038 const uint8_t *r;
gianni@22768	1039 libxl_uuid uuid;
gianni@22768	1040
gianni@22768	1041 libxl_uuid_generate(&uuid);
gianni@22768	1042 r = libxl_uuid_bytearray(&uuid);
gianni@22768	1043 memset(nic_info, '\0', sizeof(*nic_info));
gianni@22768	1044
gianni@22768	1045 nic_info->backend_domid = 0;
gianni@22768	1046 nic_info->domid = 0;
gianni@22768	1047 nic_info->devid = devnum;
gianni@22768	1048 nic_info->mtu = 1492;
gianni@22768	1049 nic_info->model = strdup("e1000");
gianni@22768	1050 nic_info->mac[0] = 0x00;
gianni@22768	1051 nic_info->mac[1] = 0x16;
gianni@22768	1052 nic_info->mac[2] = 0x3e;
gianni@22768	1053 nic_info->mac[3] = r[0] & 0x7f;
gianni@22768	1054 nic_info->mac[4] = r[1];
gianni@22768	1055 nic_info->mac[5] = r[2];
gianni@22768	1056 nic_info->ifname = NULL;
gianni@22768	1057 nic_info->bridge = strdup("xenbr0");
gianni@22768	1058 if ( asprintf(&nic_info->script, "%s/vif-bridge",
gianni@22768	1059 libxl_xen_script_dir_path()) < 0 )
gianni@22768	1060 return ERROR_FAIL;
gianni@22768	1061 nic_info->nictype = NICTYPE_IOEMU;
gianni@22768	1062 return 0;
gianni@22768	1063 }
gianni@22768	1064
ian@21930	1065 int libxl_device_nic_add(libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1066 {
ian@22167	1067 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20462	1068 flexarray_t *front;
keir@20462	1069 flexarray_t *back;
ian@22167	1070 libxl__device device;
keir@21407	1071 char dompath, *l;
gianni@22023	1072 unsigned int nb, rc;
keir@20462	1073
keir@20462	1074 front = flexarray_make(16, 1);
gianni@22023	1075 if (!front) {
gianni@22023	1076 rc = ERROR_NOMEM;
gianni@22023	1077 goto out;
gianni@22023	1078 }
keir@20462	1079 back = flexarray_make(16, 1);
gianni@22023	1080 if (!back) {
gianni@22023	1081 rc = ERROR_NOMEM;
gianni@22023	1082 goto out_free;
gianni@22023	1083 }
keir@20462	1084
keir@21407	1085 if (nic->devid == -1) {
ian@22164	1086 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023	1087 rc = ERROR_FAIL;
gianni@22023	1088 goto out_free;
keir@21407	1089 }
ian@22164	1090 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	1091 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb))) {
keir@21407	1092 nic->devid = 0;
keir@21407	1093 } else {
keir@21407	1094 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407	1095 }
keir@21407	1096 }
keir@21407	1097
keir@20462	1098 device.backend_devid = nic->devid;
keir@20462	1099 device.backend_domid = nic->backend_domid;
keir@20462	1100 device.backend_kind = DEVICE_VIF;
keir@20462	1101 device.devid = nic->devid;
keir@20462	1102 device.domid = nic->domid;
keir@20462	1103 device.kind = DEVICE_VIF;
keir@20462	1104
gianni@22726	1105 flexarray_append(back, "frontend-id");
gianni@22726	1106 flexarray_append(back, libxl__sprintf(&gc, "%d", nic->domid));
gianni@22726	1107 flexarray_append(back, "online");
gianni@22726	1108 flexarray_append(back, "1");
gianni@22726	1109 flexarray_append(back, "state");
gianni@22726	1110 flexarray_append(back, libxl__sprintf(&gc, "%d", 1));
gianni@22726	1111 flexarray_append(back, "script");
gianni@22726	1112 flexarray_append(back, nic->script);
gianni@22726	1113 flexarray_append(back, "mac");
gianni@22726	1114 flexarray_append(back, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1115 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1116 nic->mac[3], nic->mac[4], nic->mac[5]));
gianni@22726	1117 flexarray_append(back, "bridge");
gianni@22726	1118 flexarray_append(back, libxl__strdup(&gc, nic->bridge));
gianni@22726	1119 flexarray_append(back, "handle");
gianni@22726	1120 flexarray_append(back, libxl__sprintf(&gc, "%d", nic->devid));
gianni@22726	1121
gianni@22726	1122 flexarray_append(front, "backend-id");
gianni@22726	1123 flexarray_append(front, libxl__sprintf(&gc, "%d", nic->backend_domid));
gianni@22726	1124 flexarray_append(front, "state");
gianni@22726	1125 flexarray_append(front, libxl__sprintf(&gc, "%d", 1));
gianni@22726	1126 flexarray_append(front, "handle");
gianni@22726	1127 flexarray_append(front, libxl__sprintf(&gc, "%d", nic->devid));
gianni@22726	1128 flexarray_append(front, "mac");
gianni@22726	1129 flexarray_append(front, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1130 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1131 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1132 if (0 /* protocol != native*/) {
gianni@22726	1133 flexarray_append(front, "protocol");
gianni@22726	1134 flexarray_append(front, "x86_32-abi"); /* hardcoded ! */
keir@20462	1135 }
keir@20462	1136
ian@22164	1137 libxl__device_generic_add(ctx, &device,
gianni@22726	1138 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	1139 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
keir@20462	1140
keir@20462	1141 /* FIXME: wait for plug */
gianni@22023	1142 rc = 0;
gianni@22023	1143 out_free:
keir@20516	1144 flexarray_free(back);
keir@20516	1145 flexarray_free(front);
gianni@22023	1146 out:
ian@22164	1147 libxl__free_all(&gc);
gianni@22023	1148 return rc;
keir@20462	1149 }
keir@20462	1150
ian@21930	1151 int libxl_device_nic_del(libxl_ctx *ctx,
keir@20626	1152 libxl_device_nic *nic, int wait)
keir@20462	1153 {
ian@22167	1154 libxl__device device;
keir@20462	1155
keir@20626	1156 device.backend_devid = nic->devid;
keir@20626	1157 device.backend_domid = nic->backend_domid;
keir@20626	1158 device.backend_kind = DEVICE_VIF;
keir@20626	1159 device.devid = nic->devid;
keir@20626	1160 device.domid = nic->domid;
keir@20626	1161 device.kind = DEVICE_VIF;
keir@20626	1162
ian@22164	1163 return libxl__device_del(ctx, &device, wait);
keir@20462	1164 }
keir@20462	1165
ian@21930	1166 libxl_nicinfo libxl_list_nics(libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21408	1167 {
ian@22167	1168 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21408	1169 char dompath, nic_path_fe;
gianni@22009	1170 char l, list;
keir@21408	1171 char val, tok;
keir@21408	1172 unsigned int nb_nics, i;
keir@21408	1173 libxl_nicinfo res, nics;
keir@21408	1174
ian@22164	1175 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	1176 if (!dompath)
gianni@22023	1177 goto err;
ian@22164	1178 list = l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	1179 libxl__sprintf(&gc, "%s/device/vif", dompath), &nb_nics);
gianni@22023	1180 if (!l)
gianni@22023	1181 goto err;
gianni@22009	1182 nics = res = calloc(nb_nics, sizeof (libxl_device_nic));
gianni@22023	1183 if (!res)
gianni@22023	1184 goto err;
keir@21408	1185 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
ian@22164	1186 nic_path_fe = libxl__sprintf(&gc, "%s/device/vif/%s", dompath, *l);
keir@21408	1187
gianni@22009	1188 nics->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	1189 libxl__sprintf(&gc, "%s/backend", nic_path_fe), NULL);
ian@22164	1190 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", nic_path_fe));
keir@21408	1191 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1192
keir@21408	1193 nics->devid = strtoul(*l, NULL, 10);
ian@22164	1194 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", nic_path_fe));
keir@21408	1195 nics->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164	1196 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", nic_path_fe));
keir@21408	1197 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408	1198 ++i, tok = strtok(NULL, ":")) {
keir@21408	1199 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408	1200 }
ian@22164	1201 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", nic_path_fe));
keir@21408	1202 nics->evtch = val ? strtol(val, NULL, 10) : -1;
ian@22164	1203 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/tx-ring-ref", nic_path_fe));
keir@21408	1204 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
ian@22164	1205 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/rx-ring-ref", nic_path_fe));
keir@21408	1206 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
gianni@22009	1207 nics->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	1208 libxl__sprintf(&gc, "%s/frontend", nics->backend), NULL);
ian@22164	1209 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", nics->backend));
keir@21408	1210 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
gianni@22009	1211 nics->script = xs_read(ctx->xsh, XBT_NULL,
ian@22164	1212 libxl__sprintf(&gc, "%s/script", nics->backend), NULL);
keir@21408	1213 }
keir@21408	1214
ian@22164	1215 libxl__free_all(&gc);
keir@21408	1216 return res;
gianni@22023	1217 err:
ian@22164	1218 libxl__free_all(&gc);
gianni@22023	1219 return NULL;
keir@21408	1220 }
keir@21408	1221
keir@21580	1222 /******************************************************************************/
gianni@22768	1223 void libxl_device_net2_init(libxl_device_net2 *net2_info, int devnum)
gianni@22768	1224 {
gianni@22768	1225 const uint8_t *r;
gianni@22768	1226 libxl_uuid uuid;
gianni@22768	1227
gianni@22768	1228 libxl_uuid_generate(&uuid);
gianni@22768	1229 r = libxl_uuid_bytearray(&uuid);
gianni@22768	1230 memset(net2_info, '\0', sizeof(*net2_info));
gianni@22768	1231
gianni@22768	1232 net2_info->devid = devnum;
gianni@22768	1233 net2_info->front_mac[0] = 0x00;
gianni@22768	1234 net2_info->front_mac[1] = 0x16;
gianni@22768	1235 net2_info->front_mac[2] = 0x3e;;
gianni@22768	1236 net2_info->front_mac[3] = 0x7f & r[0];
gianni@22768	1237 net2_info->front_mac[4] = r[1];
gianni@22768	1238 net2_info->front_mac[5] = r[2];
gianni@22768	1239 net2_info->back_mac[0] = 0x00;
gianni@22768	1240 net2_info->back_mac[1] = 0x16;
gianni@22768	1241 net2_info->back_mac[2] = 0x3e;
gianni@22768	1242 net2_info->back_mac[3] = 0x7f & r[3];
gianni@22768	1243 net2_info->back_mac[4] = r[4];
gianni@22768	1244 net2_info->back_mac[5] = r[5];
gianni@22768	1245 net2_info->back_trusted = 1;
gianni@22768	1246 net2_info->filter_mac = 1;
gianni@22768	1247 net2_info->max_bypasses = 5;
gianni@22768	1248 net2_info->bridge = strdup("xenbr0");
gianni@22768	1249 }
gianni@22768	1250
ian@21930	1251 int libxl_device_net2_add(libxl_ctx ctx, uint32_t domid, libxl_device_net2 net2)
keir@21580	1252 {
ian@22167	1253 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21580	1254 flexarray_t front, back;
ian@22167	1255 libxl__device device;
keir@21580	1256 char dompath, dom, **l;
keir@21580	1257 unsigned int nb;
gianni@22023	1258 int rc;
keir@21580	1259
keir@21580	1260 front = flexarray_make(16, 1);
gianni@22023	1261 if (!front) {
gianni@22023	1262 rc = ERROR_NOMEM;
gianni@22023	1263 goto err;
gianni@22023	1264 }
keir@21580	1265 back = flexarray_make(16, 1);
gianni@22023	1266 if (!back) {
gianni@22023	1267 rc = ERROR_NOMEM;
gianni@22023	1268 goto err_free;
keir@21580	1269 }
gianni@22023	1270
ian@22164	1271 if (!(dompath = libxl__xs_get_dompath(&gc, domid))) {
gianni@22023	1272 rc = ERROR_FAIL;
gianni@22023	1273 goto err_free;
gianni@22023	1274 }
ian@22164	1275 dom = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/name", dompath));
keir@21580	1276
keir@21580	1277 if (net2->devid == -1) {
ian@22164	1278 if (!(l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	1279 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb))) {
keir@21580	1280 net2->devid = 0;
keir@21580	1281 } else {
keir@21580	1282 net2->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21580	1283 }
keir@21580	1284 }
keir@21580	1285
keir@21580	1286 device.backend_devid = net2->devid;
keir@21580	1287 device.backend_domid = net2->backend_domid;
keir@21580	1288 device.backend_kind = DEVICE_VIF2;
keir@21580	1289 device.devid = net2->devid;
keir@21580	1290 device.domid = net2->domid;
keir@21580	1291 device.kind = DEVICE_VIF2;
keir@21580	1292
gianni@22726	1293 flexarray_append(back, "domain");
gianni@22726	1294 flexarray_append(back, dom);
gianni@22726	1295 flexarray_append(back, "frontend-id");
gianni@22726	1296 flexarray_append(back, libxl__sprintf(&gc, "%d", net2->domid));
gianni@22726	1297
gianni@22726	1298 flexarray_append(back, "local-trusted");
gianni@22726	1299 flexarray_append(back, libxl__sprintf(&gc, "%d", net2->back_trusted));
gianni@22726	1300 flexarray_append(back, "mac");
gianni@22726	1301 flexarray_append(back, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1302 net2->back_mac[0], net2->back_mac[1],
keir@21580	1303 net2->back_mac[2], net2->back_mac[3],
keir@21580	1304 net2->back_mac[4], net2->back_mac[5]));
keir@21580	1305
gianni@22726	1306 flexarray_append(back, "remote-trusted");
gianni@22726	1307 flexarray_append(back, libxl__sprintf(&gc, "%d", net2->trusted));
gianni@22726	1308 flexarray_append(back, "remote-mac");
gianni@22726	1309 flexarray_append(back, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1310 net2->front_mac[0], net2->front_mac[1],
keir@21580	1311 net2->front_mac[2], net2->front_mac[3],
keir@21580	1312 net2->front_mac[4], net2->front_mac[5]));
keir@21580	1313
gianni@22726	1314 flexarray_append(back, "max-bypasses");
gianni@22726	1315 flexarray_append(back, libxl__sprintf(&gc, "%d", net2->max_bypasses));
gianni@22726	1316 flexarray_append(back, "filter-mac");
gianni@22726	1317 flexarray_append(back, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
gianni@22726	1318 flexarray_append(back, "handle");
gianni@22726	1319 flexarray_append(back, libxl__sprintf(&gc, "%d", net2->devid));
gianni@22726	1320 flexarray_append(back, "online");
gianni@22726	1321 flexarray_append(back, "1");
gianni@22726	1322 flexarray_append(back, "state");
gianni@22726	1323 flexarray_append(back, "1");
gianni@22726	1324
gianni@22726	1325 flexarray_append(front, "backend-id");
gianni@22726	1326 flexarray_append(front, libxl__sprintf(&gc, "%d", net2->backend_domid));
gianni@22726	1327
gianni@22726	1328 flexarray_append(front, "local-trusted");
gianni@22726	1329 flexarray_append(front, libxl__sprintf(&gc, "%d", net2->trusted));
gianni@22726	1330 flexarray_append(front, "mac");
gianni@22726	1331 flexarray_append(front, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1332 net2->front_mac[0], net2->front_mac[1],
keir@21580	1333 net2->front_mac[2], net2->front_mac[3],
keir@21580	1334 net2->front_mac[4], net2->front_mac[5]));
keir@21580	1335
gianni@22726	1336 flexarray_append(front, "remote-trusted");
gianni@22726	1337 flexarray_append(front, libxl__sprintf(&gc, "%d", net2->back_trusted));
gianni@22726	1338 flexarray_append(front, "remote-mac");
gianni@22726	1339 flexarray_append(front, libxl__sprintf(&gc, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1340 net2->back_mac[0], net2->back_mac[1],
keir@21580	1341 net2->back_mac[2], net2->back_mac[3],
keir@21580	1342 net2->back_mac[4], net2->back_mac[5]));
keir@21580	1343
gianni@22726	1344 flexarray_append(front, "filter-mac");
gianni@22726	1345 flexarray_append(front, libxl__sprintf(&gc, "%d", !!(net2->filter_mac)));
gianni@22726	1346 flexarray_append(front, "state");
gianni@22726	1347 flexarray_append(front, "1");
keir@21580	1348
ian@22164	1349 libxl__device_generic_add(ctx, &device,
gianni@22726	1350 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	1351 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
keir@21580	1352
keir@21580	1353 /* FIXME: wait for plug */
gianni@22023	1354 rc = 0;
gianni@22023	1355 err_free:
keir@21580	1356 flexarray_free(back);
keir@21580	1357 flexarray_free(front);
gianni@22023	1358 err:
ian@22164	1359 libxl__free_all(&gc);
gianni@22023	1360 return rc;
keir@21580	1361 }
keir@21408	1362
ian@21930	1363 libxl_net2info libxl_device_net2_list(libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21581	1364 {
ian@22167	1365 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21581	1366 char dompath, net2_path_fe;
keir@21581	1367 char **l;
keir@21581	1368 char val, tok;
keir@21581	1369 unsigned int nb_net2s, i;
keir@21581	1370 libxl_net2info res, net2s;
keir@21581	1371
ian@22164	1372 dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	1373 if (!dompath)
gianni@22023	1374 goto err;
ian@22164	1375 l = libxl__xs_directory(&gc, XBT_NULL,
ian@22164	1376 libxl__sprintf(&gc, "%s/device/vif2", dompath), &nb_net2s);
gianni@22023	1377 if (!l)
gianni@22023	1378 goto err;
gianni@22023	1379 res = calloc(nb_net2s, sizeof (libxl_net2info));
gianni@22023	1380 if (!res)
gianni@22023	1381 goto err;
keir@21581	1382 net2s = res;
keir@21581	1383 for (*nb = nb_net2s; nb_net2s > 0; --nb_net2s, ++l, ++net2s) {
ian@22164	1384 net2_path_fe = libxl__sprintf(&gc, "%s/device/vif2/%s", dompath, *l);
ian@22164	1385
ian@22164	1386 net2s->backend = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1387 libxl__sprintf(&gc, "%s/backend", net2_path_fe));
ian@22164	1388 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", net2_path_fe));
keir@21581	1389 net2s->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1390
keir@21581	1391 net2s->devid = strtoul(*l, NULL, 10);
ian@22164	1392 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", net2_path_fe));
keir@21581	1393 net2s->state = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1394
ian@22164	1395 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/mac", net2_path_fe));
keir@21581	1396 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	1397 ++i, tok = strtok(NULL, ":")) {
keir@21581	1398 net2s->mac[i] = strtoul(tok, NULL, 16);
keir@21581	1399 }
ian@22164	1400 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-trusted", net2_path_fe));
keir@21581	1401 net2s->trusted = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1402
ian@22164	1403 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/remote-mac", net2_path_fe));
keir@21581	1404 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	1405 ++i, tok = strtok(NULL, ":")) {
keir@21581	1406 net2s->back_mac[i] = strtoul(tok, NULL, 16);
keir@21581	1407 }
ian@22164	1408 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/filter-mac", net2_path_fe));
keir@21581	1409 net2s->filter_mac = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1410
ian@22164	1411 net2s->frontend = libxl__xs_read(&gc, XBT_NULL,
ian@22164	1412 libxl__sprintf(&gc, "%s/frontend", net2s->backend));
ian@22164	1413 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", net2s->backend));
keir@21581	1414 net2s->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1415 }
keir@21581	1416
ian@22164	1417 libxl__free_all(&gc);
keir@21581	1418 return res;
gianni@22023	1419 err:
ian@22164	1420 libxl__free_all(&gc);
gianni@22023	1421 return NULL;
keir@21581	1422 }
keir@21581	1423
ian@21930	1424 int libxl_device_net2_del(libxl_ctx ctx, libxl_device_net2 net2, int wait)
keir@21582	1425 {
ian@22167	1426 libxl__device device;
keir@21582	1427
keir@21582	1428 device.backend_devid = net2->devid;
keir@21582	1429 device.backend_domid = net2->backend_domid;
keir@21582	1430 device.backend_kind = DEVICE_VIF2;
keir@21582	1431 device.devid = net2->devid;
keir@21582	1432 device.domid = net2->domid;
keir@21582	1433 device.kind = DEVICE_VIF2;
keir@21582	1434
ian@22164	1435 return libxl__device_del(ctx, &device, wait);
keir@21582	1436 }
keir@21582	1437
keir@21581	1438
keir@20462	1439 /******************************************************************************/
ian@21930	1440 int libxl_device_console_add(libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1441 {
ian@22167	1442 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	1443 flexarray_t *front;
keir@20509	1444 flexarray_t *back;
ian@22167	1445 libxl__device device;
gianni@22023	1446 int rc;
keir@20509	1447
keir@20509	1448 front = flexarray_make(16, 1);
gianni@22023	1449 if (!front) {
gianni@22023	1450 rc = ERROR_NOMEM;
gianni@22023	1451 goto out;
gianni@22023	1452 }
keir@20509	1453 back = flexarray_make(16, 1);
gianni@22023	1454 if (!back) {
gianni@22023	1455 rc = ERROR_NOMEM;
gianni@22023	1456 goto out_free;
gianni@22023	1457 }
keir@20509	1458
keir@20509	1459 device.backend_devid = console->devid;
keir@20509	1460 device.backend_domid = console->backend_domid;
keir@20509	1461 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1462 device.devid = console->devid;
keir@20509	1463 device.domid = console->domid;
keir@20509	1464 device.kind = DEVICE_CONSOLE;
keir@20509	1465
gianni@22726	1466 flexarray_append(back, "frontend-id");
gianni@22726	1467 flexarray_append(back, libxl__sprintf(&gc, "%d", console->domid));
gianni@22726	1468 flexarray_append(back, "online");
gianni@22726	1469 flexarray_append(back, "1");
gianni@22726	1470 flexarray_append(back, "state");
gianni@22726	1471 flexarray_append(back, libxl__sprintf(&gc, "%d", 1));
gianni@22726	1472 flexarray_append(back, "domain");
gianni@22726	1473 flexarray_append(back, libxl__domid_to_name(&gc, domid));
gianni@22726	1474 flexarray_append(back, "protocol");
gianni@22726	1475 flexarray_append(back, LIBXL_XENCONSOLE_PROTOCOL);
gianni@22726	1476
gianni@22726	1477 flexarray_append(front, "backend-id");
gianni@22726	1478 flexarray_append(front, libxl__sprintf(&gc, "%d", console->backend_domid));
gianni@22726	1479 flexarray_append(front, "limit");
gianni@22726	1480 flexarray_append(front, libxl__sprintf(&gc, "%d", LIBXL_XENCONSOLE_LIMIT));
gianni@22726	1481 flexarray_append(front, "type");
ian@22273	1482 if (console->consback == LIBXL_CONSBACK_XENCONSOLED)
gianni@22726	1483 flexarray_append(front, "xenconsoled");
ian@22273	1484 else
gianni@22726	1485 flexarray_append(front, "ioemu");
gianni@22726	1486 flexarray_append(front, "output");
gianni@22726	1487 flexarray_append(front, console->output);
ian@22273	1488
ian@22273	1489 if (device.devid == 0) {
ian@22273	1490 if (console->build_state == NULL) {
ian@22273	1491 rc = ERROR_INVAL;
ian@22273	1492 goto out_free;
ian@22273	1493 }
gianni@22726	1494 flexarray_append(front, "port");
gianni@22726	1495 flexarray_append(front, libxl__sprintf(&gc, "%"PRIu32, console->build_state->console_port));
gianni@22726	1496 flexarray_append(front, "ring-ref");
gianni@22726	1497 flexarray_append(front, libxl__sprintf(&gc, "%lu", console->build_state->console_mfn));
ian@22273	1498 } else {
gianni@22726	1499 flexarray_append(front, "state");
gianni@22726	1500 flexarray_append(front, libxl__sprintf(&gc, "%d", 1));
gianni@22726	1501 flexarray_append(front, "protocol");
gianni@22726	1502 flexarray_append(front, LIBXL_XENCONSOLE_PROTOCOL);
stefano@22040	1503 }
keir@20509	1504
ian@22164	1505 libxl__device_generic_add(ctx, &device,
gianni@22726	1506 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	1507 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
gianni@22023	1508 rc = 0;
gianni@22023	1509 out_free:
keir@20516	1510 flexarray_free(back);
keir@20516	1511 flexarray_free(front);
gianni@22023	1512 out:
ian@22164	1513 libxl__free_all(&gc);
gianni@22023	1514 return rc;
keir@20509	1515 }
keir@20509	1516
keir@20509	1517 /******************************************************************************/
gianni@22768	1518 void libxl_device_vkb_init(libxl_device_vkb *vkb, int dev_num)
gianni@22768	1519 {
gianni@22768	1520 memset(vkb, 0x00, sizeof(libxl_device_vkb));
gianni@22768	1521 vkb->devid = dev_num;
gianni@22768	1522 }
gianni@22768	1523
ian@21930	1524 int libxl_device_vkb_add(libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1525 {
ian@22167	1526 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	1527 flexarray_t *front;
keir@20509	1528 flexarray_t *back;
ian@22167	1529 libxl__device device;
gianni@22023	1530 int rc;
keir@20509	1531
keir@20509	1532 front = flexarray_make(16, 1);
gianni@22023	1533 if (!front) {
gianni@22023	1534 rc = ERROR_NOMEM;
gianni@22023	1535 goto out;
gianni@22023	1536 }
keir@20509	1537 back = flexarray_make(16, 1);
gianni@22023	1538 if (!back) {
gianni@22023	1539 rc = ERROR_NOMEM;
gianni@22023	1540 goto out_free;
gianni@22023	1541 }
keir@20509	1542
keir@20509	1543 device.backend_devid = vkb->devid;
keir@20509	1544 device.backend_domid = vkb->backend_domid;
keir@20509	1545 device.backend_kind = DEVICE_VKBD;
keir@20509	1546 device.devid = vkb->devid;
keir@20509	1547 device.domid = vkb->domid;
keir@20509	1548 device.kind = DEVICE_VKBD;
keir@20509	1549
gianni@22726	1550 flexarray_append(back, "frontend-id");
gianni@22726	1551 flexarray_append(back, libxl__sprintf(&gc, "%d", vkb->domid));
gianni@22726	1552 flexarray_append(back, "online");
gianni@22726	1553 flexarray_append(back, "1");
gianni@22726	1554 flexarray_append(back, "state");
gianni@22726	1555 flexarray_append(back, libxl__sprintf(&gc, "%d", 1));
gianni@22726	1556 flexarray_append(back, "domain");
gianni@22726	1557 flexarray_append(back, libxl__domid_to_name(&gc, domid));
gianni@22726	1558
gianni@22726	1559 flexarray_append(front, "backend-id");
gianni@22726	1560 flexarray_append(front, libxl__sprintf(&gc, "%d", vkb->backend_domid));
gianni@22726	1561 flexarray_append(front, "state");
gianni@22726	1562 flexarray_append(front, libxl__sprintf(&gc, "%d", 1));
ian@22164	1563
ian@22164	1564 libxl__device_generic_add(ctx, &device,
gianni@22726	1565 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	1566 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
gianni@22023	1567 rc = 0;
gianni@22023	1568 out_free:
keir@20516	1569 flexarray_free(back);
keir@20516	1570 flexarray_free(front);
gianni@22023	1571 out:
ian@22164	1572 libxl__free_all(&gc);
gianni@22023	1573 return rc;
keir@20462	1574 }
keir@20462	1575
ian@21930	1576 int libxl_device_vkb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	1577 {
keir@20462	1578 return ERROR_NI;
keir@20462	1579 }
keir@20462	1580
ian@21930	1581 int libxl_device_vkb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	1582 {
keir@20462	1583 return ERROR_NI;
keir@20462	1584 }
keir@20462	1585
anthony@22710	1586 static unsigned int libxl_append_disk_list_of_type(libxl_ctx *ctx,
anthony@22710	1587 uint32_t domid,
anthony@22710	1588 const char *type,
anthony@22710	1589 libxl_device_disk **disks,
anthony@22710	1590 unsigned int *ndisks)
keir@20637	1591 {
ian@22167	1592 libxl__gc gc = LIBXL_INIT_GC(ctx);
anthony@22710	1593 char *be_path = NULL;
anthony@22710	1594 char **dir = NULL;
anthony@22710	1595 unsigned int n = 0, len = 0;
anthony@22710	1596 libxl_device_disk pdisk = NULL, pdisk_end = NULL;
anthony@22710	1597 char *physpath_tmp = NULL;
anthony@22710	1598
anthony@22710	1599 be_path = libxl__sprintf(&gc, "%s/backend/%s/%d",
anthony@22710	1600 libxl__xs_get_dompath(&gc, 0), type, domid);
anthony@22710	1601 dir = libxl__xs_directory(&gc, XBT_NULL, be_path, &n);
anthony@22710	1602 if (dir) {
anthony@22710	1603 disks = realloc(disks, sizeof (libxl_device_disk) * (*ndisks + n));
anthony@22710	1604 pdisk = disks + ndisks;
anthony@22710	1605 *ndisks += n;
anthony@22710	1606 pdisk_end = disks + ndisks;
anthony@22710	1607 for (; pdisk < pdisk_end; pdisk++, dir++) {
anthony@22710	1608 pdisk->backend_domid = 0;
anthony@22710	1609 pdisk->domid = domid;
anthony@22710	1610 physpath_tmp = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/params", be_path, *dir), &len);
stefano@22854	1611 if (physpath_tmp && strchr(physpath_tmp, ':')) {
anthony@22710	1612 pdisk->physpath = strdup(strchr(physpath_tmp, ':') + 1);
anthony@22710	1613 free(physpath_tmp);
anthony@22710	1614 } else {
anthony@22710	1615 pdisk->physpath = physpath_tmp;
anthony@22710	1616 }
anthony@22710	1617 libxl_string_to_phystype(ctx, libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/type", be_path, *dir)), &(pdisk->phystype));
anthony@22710	1618 pdisk->virtpath = xs_read(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "%s/%s/dev", be_path, *dir), &len);
anthony@22710	1619 pdisk->unpluggable = atoi(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/removable", be_path, *dir)));
anthony@22710	1620 if (!strcmp(libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/%s/mode", be_path, *dir)), "w"))
anthony@22710	1621 pdisk->readwrite = 1;
keir@20637	1622 else
anthony@22710	1623 pdisk->readwrite = 0;
anthony@22710	1624 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, *dir))));
anthony@22710	1625 pdisk->is_cdrom = !strcmp(type, "cdrom");
keir@20637	1626 }
keir@20637	1627 }
anthony@22710	1628
ian@22164	1629 libxl__free_all(&gc);
anthony@22710	1630 return n;
anthony@22710	1631 }
anthony@22710	1632
anthony@22710	1633 libxl_device_disk libxl_device_disk_list(libxl_ctx ctx, uint32_t domid, int *num)
anthony@22710	1634 {
anthony@22710	1635 libxl_device_disk *disks = NULL;
anthony@22710	1636 unsigned int ndisks = 0;
anthony@22710	1637
anthony@22710	1638 *num = libxl_append_disk_list_of_type(ctx, domid, "vbd", &disks, &ndisks);
anthony@22710	1639 *num += libxl_append_disk_list_of_type(ctx, domid, "tap", &disks, &ndisks);
anthony@22711	1640 *num += libxl_append_disk_list_of_type(ctx, domid, "qdisk", &disks, &ndisks);
anthony@22710	1641
anthony@22710	1642 return disks;
keir@21411	1643 }
keir@21411	1644
ian@21930	1645 int libxl_device_disk_getinfo(libxl_ctx *ctx, uint32_t domid,
keir@21411	1646 libxl_device_disk disk, libxl_diskinfo diskinfo)
keir@21411	1647 {
ian@22167	1648 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21411	1649 char dompath, diskpath;
keir@21411	1650 char *val;
keir@21411	1651
ian@22164	1652 dompath = libxl__xs_get_dompath(&gc, domid);
ian@22165	1653 diskinfo->devid = libxl__device_disk_dev_number(disk->virtpath);
keir@21411	1654
keir@21411	1655 /* tap devices entries in xenstore are written as vbd devices. */
ian@22164	1656 diskpath = libxl__sprintf(&gc, "%s/device/vbd/%d", dompath, diskinfo->devid);
ian@22059	1657 diskinfo->backend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	1658 libxl__sprintf(&gc, "%s/backend", diskpath), NULL);
keir@21411	1659 if (!diskinfo->backend) {
ian@22164	1660 libxl__free_all(&gc);
keir@21411	1661 return ERROR_FAIL;
keir@21411	1662 }
ian@22164	1663 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/backend-id", diskpath));
keir@21411	1664 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
ian@22164	1665 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/state", diskpath));
keir@21411	1666 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
ian@22164	1667 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/event-channel", diskpath));
keir@21411	1668 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
ian@22164	1669 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/ring-ref", diskpath));
keir@21411	1670 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
ian@22059	1671 diskinfo->frontend = xs_read(ctx->xsh, XBT_NULL,
ian@22164	1672 libxl__sprintf(&gc, "%s/frontend", diskinfo->backend), NULL);
ian@22164	1673 val = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/frontend-id", diskinfo->backend));
keir@21411	1674 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1675
ian@22164	1676 libxl__free_all(&gc);
keir@21411	1677 return 0;
keir@20637	1678 }
keir@20637	1679
ian@21930	1680 int libxl_cdrom_insert(libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20637	1681 {
keir@20637	1682 int num, i;
keir@20637	1683 uint32_t stubdomid;
keir@20637	1684 libxl_device_disk *disks;
ian@22086	1685 int ret = ERROR_FAIL;
keir@20637	1686
keir@20637	1687 if (!disk->physpath) {
kamala@22840	1688 disk->physpath = strdup("");
stefano@22854	1689 disk->phystype = PHYSTYPE_EMPTY;
keir@20637	1690 }
keir@20637	1691 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637	1692 for (i = 0; i < num; i++) {
keir@20637	1693 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637	1694 /* found */
keir@20637	1695 break;
keir@20637	1696 }
keir@20637	1697 if (i == num) {
ian@22165	1698 LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Virtual device not found");
ian@22086	1699 goto out;
keir@20637	1700 }
ian@22086	1701
ian@22086	1702 ret = 0;
ian@22086	1703
keir@20637	1704 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637	1705 libxl_device_disk_add(ctx, domid, disk);
keir@20637	1706 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637	1707 if (stubdomid) {
keir@20781	1708 disks[i].domid = stubdomid;
keir@20637	1709 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781	1710 disk->domid = stubdomid;
keir@20637	1711 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781	1712 disk->domid = domid;
keir@20637	1713 }
ian@22086	1714 out:
ian@22086	1715 for (i = 0; i < num; i++)
ian@22086	1716 libxl_device_disk_destroy(&disks[i]);
gianni@22023	1717 free(disks);
ian@22086	1718 return ret;
keir@20637	1719 }
keir@20637	1720
keir@20462	1721 /******************************************************************************/
gianni@22768	1722 void libxl_device_vfb_init(libxl_device_vfb *vfb, int dev_num)
gianni@22768	1723 {
gianni@22768	1724 memset(vfb, 0x00, sizeof(libxl_device_vfb));
gianni@22768	1725 vfb->devid = dev_num;
gianni@22768	1726 vfb->display = NULL;
gianni@22768	1727 vfb->xauthority = NULL;
gianni@22768	1728 vfb->vnc = 1;
gianni@22768	1729 vfb->vncpasswd = NULL;
gianni@22768	1730 vfb->vnclisten = strdup("127.0.0.1");
gianni@22768	1731 vfb->vncdisplay = 0;
gianni@22768	1732 vfb->vncunused = 1;
gianni@22768	1733 vfb->keymap = NULL;
gianni@22768	1734 vfb->sdl = 0;
gianni@22768	1735 vfb->opengl = 0;
gianni@22768	1736 }
gianni@22768	1737
ian@21930	1738 int libxl_device_vfb_add(libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1739 {
ian@22167	1740 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@20509	1741 flexarray_t *front;
keir@20509	1742 flexarray_t *back;
ian@22167	1743 libxl__device device;
gianni@22023	1744 int rc;
keir@20509	1745
keir@20509	1746 front = flexarray_make(16, 1);
gianni@22023	1747 if (!front) {
gianni@22023	1748 rc = ERROR_NOMEM;
gianni@22023	1749 goto out;
gianni@22023	1750 }
keir@20509	1751 back = flexarray_make(16, 1);
gianni@22023	1752 if (!back) {
gianni@22023	1753 rc = ERROR_NOMEM;
gianni@22023	1754 goto out_free;
gianni@22023	1755 }
keir@20509	1756
keir@20509	1757 device.backend_devid = vfb->devid;
keir@20509	1758 device.backend_domid = vfb->backend_domid;
keir@20509	1759 device.backend_kind = DEVICE_VFB;
keir@20509	1760 device.devid = vfb->devid;
keir@20509	1761 device.domid = vfb->domid;
keir@20509	1762 device.kind = DEVICE_VFB;
keir@20509	1763
gianni@22726	1764 flexarray_vappend(back, "frontend-id", libxl__sprintf(&gc, "%d", vfb->domid), NULL);
gianni@22726	1765 flexarray_vappend(back, "online", "1", NULL);
gianni@22726	1766 flexarray_vappend(back, "state", libxl__sprintf(&gc, "%d", 1), NULL);
gianni@22726	1767 flexarray_vappend(back, "domain", libxl__domid_to_name(&gc, domid), NULL);
gianni@22726	1768 flexarray_vappend(back, "vnc", libxl__sprintf(&gc, "%d", vfb->vnc), NULL);
gianni@22726	1769 flexarray_vappend(back, "vnclisten", vfb->vnclisten, NULL);
gianni@22726	1770 flexarray_append(back, "vncpasswd");
gianni@22726	1771 flexarray_append(back, vfb->vncpasswd);
gianni@22726	1772 flexarray_vappend(back, "vncdisplay", libxl__sprintf(&gc, "%d", vfb->vncdisplay), NULL);
gianni@22726	1773 flexarray_vappend(back, "vncunused", libxl__sprintf(&gc, "%d", vfb->vncunused), NULL);
gianni@22726	1774 flexarray_vappend(back, "sdl", libxl__sprintf(&gc, "%d", vfb->sdl), NULL);
gianni@22726	1775 flexarray_vappend(back, "opengl", libxl__sprintf(&gc, "%d", vfb->opengl), NULL);
keir@20509	1776 if (vfb->xauthority) {
gianni@22726	1777 flexarray_vappend(back, "xauthority", vfb->xauthority, NULL);
keir@20509	1778 }
keir@20509	1779 if (vfb->display) {
gianni@22726	1780 flexarray_vappend(back, "display", vfb->display, NULL);
keir@20509	1781 }
keir@20509	1782
gianni@22726	1783 flexarray_vappend(front, "backend-id", libxl__sprintf(&gc, "%d", vfb->backend_domid), NULL);
gianni@22726	1784 flexarray_vappend(front, "state", libxl__sprintf(&gc, "%d", 1), NULL);
ian@22164	1785
ian@22164	1786 libxl__device_generic_add(ctx, &device,
gianni@22726	1787 libxl__xs_kvs_of_flexarray(&gc, back, back->count),
gianni@22726	1788 libxl__xs_kvs_of_flexarray(&gc, front, front->count));
gianni@22023	1789 rc = 0;
gianni@22023	1790 out_free:
keir@20509	1791 flexarray_free(front);
keir@20509	1792 flexarray_free(back);
gianni@22023	1793 out:
ian@22164	1794 libxl__free_all(&gc);
gianni@22023	1795 return rc;
keir@20462	1796 }
keir@20462	1797
ian@21930	1798 int libxl_device_vfb_clean_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	1799 {
keir@20462	1800 return ERROR_NI;
keir@20462	1801 }
keir@20462	1802
ian@21930	1803 int libxl_device_vfb_hard_shutdown(libxl_ctx *ctx, uint32_t domid)
keir@20462	1804 {
keir@20462	1805 return ERROR_NI;
keir@20462	1806 }
keir@20462	1807
keir@20462	1808 /******************************************************************************/
keir@20482	1809
ian@21930	1810 int libxl_domain_setmaxmem(libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404	1811 {
ian@22167	1812 libxl__gc gc = LIBXL_INIT_GC(ctx);
keir@21404	1813 char mem, endptr;
keir@21404	1814 uint32_t memorykb;
ian@22164	1815 char *dompath = libxl__xs_get_dompath(&gc, domid);
gianni@22023	1816 int rc = 1;
gianni@22023	1817
ian@22164	1818 mem = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/memory/target", dompath));
keir@21404	1819 if (!mem) {
ian@22165	1820 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
gianni@22023	1821 goto out;
keir@21404	1822 }
keir@21404	1823 memorykb = strtoul(mem, &endptr, 10);
keir@21404	1824 if (*endptr != '\0') {
ian@22165	1825 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
gianni@22023	1826 goto out;
keir@21404	1827 }
keir@21404	1828
keir@21404	1829 if (max_memkb < memorykb) {
ian@22165	1830 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
gianni@22023	1831 goto out;
keir@21404	1832 }
keir@21404	1833
gianni@22023	1834 rc = 0;
gianni@22023	1835 out:
ian@22164	1836 libxl__free_all(&gc);
gianni@22023	1837 return rc;
keir@21404	1838 }
keir@21404	1839
stefano@22244	1840 static int libxl__fill_dom0_memory_info(libxl__gc gc, uint32_t target_memkb)
stefano@22244	1841 {
stefano@22244	1842 int rc;
stefano@22244	1843 libxl_dominfo info;
stefano@22245	1844 libxl_physinfo physinfo;
stefano@22567	1845 char target = NULL, staticmax = NULL, freememslack = NULL, endptr = NULL;
stefano@22244	1846 char *target_path = "/local/domain/0/memory/target";
stefano@22244	1847 char *max_path = "/local/domain/0/memory/static-max";
stefano@22245	1848 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22244	1849 xs_transaction_t t;
stefano@22244	1850 libxl_ctx *ctx = libxl__gc_owner(gc);
stefano@22567	1851 uint32_t free_mem_slack_kb = 0;
stefano@22244	1852
stefano@22244	1853 retry_transaction:
stefano@22244	1854 t = xs_transaction_start(ctx->xsh);
stefano@22244	1855
stefano@22244	1856 target = libxl__xs_read(gc, t, target_path);
ewalsh@22705	1857 staticmax = libxl__xs_read(gc, t, max_path);
ewalsh@22705	1858 freememslack = libxl__xs_read(gc, t, free_mem_slack_path);
stefano@22567	1859 if (target && staticmax && freememslack) {
stefano@22567	1860 rc = 0;
stefano@22567	1861 goto out;
stefano@22567	1862 }
stefano@22567	1863
stefano@22244	1864 if (target) {
stefano@22244	1865 *target_memkb = strtoul(target, &endptr, 10);
stefano@22244	1866 if (*endptr != '\0') {
stefano@22244	1867 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	1868 "invalid memory target %s from %s\n", target, target_path);
stefano@22244	1869 rc = ERROR_FAIL;
stefano@22244	1870 goto out;
stefano@22244	1871 }
stefano@22244	1872 }
stefano@22244	1873
stefano@22244	1874 rc = libxl_domain_info(ctx, &info, 0);
stefano@22244	1875 if (rc < 0)
stefano@22567	1876 goto out;
stefano@22244	1877
stefano@22245	1878 rc = libxl_get_physinfo(ctx, &physinfo);
stefano@22245	1879 if (rc < 0)
stefano@22567	1880 goto out;
stefano@22567	1881
stefano@22567	1882 if (target == NULL) {
stefano@22567	1883 libxl__xs_write(gc, t, target_path, "%"PRIu32,
stefano@22567	1884 (uint32_t) info.current_memkb);
stefano@22567	1885 *target_memkb = (uint32_t) info.current_memkb;
stefano@22567	1886 }
stefano@22567	1887 if (staticmax == NULL)
stefano@22567	1888 libxl__xs_write(gc, t, max_path, "%"PRIu32,
stefano@22567	1889 (uint32_t) info.max_memkb);
stefano@22567	1890
stefano@22567	1891 if (freememslack == NULL) {
stefano@22567	1892 free_mem_slack_kb = (uint32_t) (PAGE_TO_MEMKB(physinfo.total_pages) -
stefano@22567	1893 info.current_memkb);
stefano@22567	1894 /* From empirical measurements the free_mem_slack shouldn't be more
stefano@22567	1895 * than 15% of the total memory present on the system. */
stefano@22567	1896 if (free_mem_slack_kb > PAGE_TO_MEMKB(physinfo.total_pages) * 0.15)
stefano@22567	1897 free_mem_slack_kb = PAGE_TO_MEMKB(physinfo.total_pages) * 0.15;
stefano@22567	1898 libxl__xs_write(gc, t, free_mem_slack_path, "%"PRIu32, free_mem_slack_kb);
stefano@22567	1899 }
stefano@22244	1900 rc = 0;
stefano@22244	1901
stefano@22244	1902 out:
stefano@22567	1903 if (!xs_transaction_end(ctx->xsh, t, 0)) {
stefano@22244	1904 if (errno == EAGAIN)
stefano@22244	1905 goto retry_transaction;
stefano@22567	1906 else
stefano@22567	1907 rc = ERROR_FAIL;
stefano@22567	1908 }
stefano@22244	1909
stefano@22244	1910
stefano@22244	1911 return rc;
stefano@22244	1912 }
stefano@22244	1913
stefano@22245	1914 /* returns how much memory should be left free in the system */
stefano@22245	1915 static int libxl__get_free_memory_slack(libxl__gc gc, uint32_t free_mem_slack)
stefano@22245	1916 {
stefano@22245	1917 int rc;
stefano@22245	1918 char *free_mem_slack_path = "/local/domain/0/memory/freemem-slack";
stefano@22245	1919 char free_mem_slack_s, endptr;
stefano@22245	1920 uint32_t target_memkb;
stefano@22245	1921
stefano@22245	1922 retry:
stefano@22245	1923 free_mem_slack_s = libxl__xs_read(gc, XBT_NULL, free_mem_slack_path);
stefano@22245	1924 if (!free_mem_slack_s) {
stefano@22245	1925 rc = libxl__fill_dom0_memory_info(gc, &target_memkb);
stefano@22245	1926 if (rc < 0)
stefano@22245	1927 return rc;
stefano@22245	1928 goto retry;
stefano@22245	1929 } else {
stefano@22245	1930 *free_mem_slack = strtoul(free_mem_slack_s, &endptr, 10);
stefano@22245	1931 if (*endptr != '\0') {
stefano@22245	1932 LIBXL__LOG_ERRNO(gc->owner, LIBXL__LOG_ERROR,
stefano@22245	1933 "invalid free_mem_slack %s from %s\n",
stefano@22245	1934 free_mem_slack_s, free_mem_slack_path);
stefano@22245	1935 return ERROR_FAIL;
stefano@22245	1936 }
stefano@22245	1937 }
stefano@22245	1938 return 0;
stefano@22245	1939 }
stefano@22245	1940
stefano@22244	1941 int libxl_set_memory_target(libxl_ctx *ctx, uint32_t domid,
stefano@22244	1942 int32_t target_memkb, int relative, int enforce)
keir@20647	1943 {
ian@22167	1944 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22243	1945 int rc = 1, abort = 0;
stefano@22244	1946 uint32_t memorykb = 0, videoram = 0;
stefano@22244	1947 uint32_t current_target_memkb = 0, new_target_memkb = 0;
stefano@22244	1948 char memmax, endptr, videoram_s = NULL, target = NULL;
ian@22164	1949 char *dompath = libxl__xs_get_dompath(&gc, domid);
keir@21374	1950 xc_domaininfo_t info;
ian@21930	1951 libxl_dominfo ptr;
keir@21374	1952 char *uuid;
stefano@22243	1953 xs_transaction_t t;
stefano@22243	1954
stefano@22243	1955 retry_transaction:
stefano@22243	1956 t = xs_transaction_start(ctx->xsh);
stefano@22243	1957
stefano@22244	1958 target = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	1959 "%s/memory/target", dompath));
stefano@22244	1960 if (!target && !domid) {
stefano@22244	1961 xs_transaction_end(ctx->xsh, t, 1);
stefano@22244	1962 rc = libxl__fill_dom0_memory_info(&gc, &current_target_memkb);
stefano@22244	1963 if (rc < 0) {
stefano@22244	1964 abort = 1;
stefano@22244	1965 goto out;
stefano@22244	1966 }
stefano@22244	1967 goto retry_transaction;
stefano@22244	1968 } else if (!target) {
stefano@22244	1969 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	1970 "cannot get target memory info from %s/memory/target\n",
stefano@22244	1971 dompath);
stefano@22244	1972 abort = 1;
stefano@22244	1973 goto out;
stefano@22244	1974 } else {
stefano@22244	1975 current_target_memkb = strtoul(target, &endptr, 10);
stefano@22244	1976 if (*endptr != '\0') {
ian@22165	1977 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	1978 "invalid memory target %s from %s/memory/target\n",
stefano@22244	1979 target, dompath);
stefano@22243	1980 abort = 1;
gianni@22023	1981 goto out;
keir@21405	1982 }
keir@21405	1983 }
stefano@22244	1984 memmax = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	1985 "%s/memory/static-max", dompath));
stefano@22244	1986 if (!memmax) {
stefano@22244	1987 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	1988 "cannot get memory info from %s/memory/static-max\n",
stefano@22244	1989 dompath);
stefano@22244	1990 abort = 1;
stefano@22244	1991 goto out;
stefano@22244	1992 }
stefano@22244	1993 memorykb = strtoul(memmax, &endptr, 10);
stefano@22244	1994 if (*endptr != '\0') {
stefano@22244	1995 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	1996 "invalid max memory %s from %s/memory/static-max\n",
stefano@22244	1997 memmax, dompath);
stefano@22244	1998 abort = 1;
stefano@22244	1999 goto out;
stefano@22244	2000 }
stefano@22244	2001
stefano@22244	2002 if (relative)
stefano@22244	2003 new_target_memkb = current_target_memkb + target_memkb;
stefano@22244	2004 else
stefano@22244	2005 new_target_memkb = target_memkb;
stefano@22244	2006 if (new_target_memkb > memorykb) {
stefano@22244	2007 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
stefano@22244	2008 "memory_dynamic_max must be less than or equal to"
stefano@22244	2009 " memory_static_max\n");
stefano@22244	2010 abort = 1;
stefano@22244	2011 goto out;
stefano@22244	2012 }
stefano@22244	2013
gianni@22367	2014 if (!domid && new_target_memkb < LIBXL_MIN_DOM0_MEM) {
gianni@22367	2015 LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
gianni@22367	2016 "new target %d for dom0 is below the minimum threshold\n",
gianni@22367	2017 new_target_memkb);
gianni@22367	2018 abort = 1;
gianni@22367	2019 goto out;
gianni@22367	2020 }
stefano@22244	2021 videoram_s = libxl__xs_read(&gc, t, libxl__sprintf(&gc,
stefano@22244	2022 "%s/memory/videoram", dompath));
stefano@22244	2023 videoram = videoram_s ? atoi(videoram_s) : 0;
stefano@22244	2024
stefano@22244	2025 if (enforce) {
stefano@22244	2026 memorykb = new_target_memkb;
stefano@22244	2027 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb +
stefano@22244	2028 LIBXL_MAXMEM_CONSTANT);
stefano@22244	2029 if (rc != 0) {
stefano@22244	2030 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2031 "xc_domain_setmaxmem domid=%d memkb=%d failed "
stefano@22244	2032 "rc=%d\n", domid, memorykb + LIBXL_MAXMEM_CONSTANT, rc);
stefano@22244	2033 abort = 1;
stefano@22244	2034 goto out;
stefano@22244	2035 }
stefano@22244	2036 }
stefano@22244	2037
stefano@22251	2038 new_target_memkb -= videoram;
ian@22294	2039 rc = xc_domain_set_pod_target(ctx->xch, domid,
stefano@22251	2040 new_target_memkb / 4, NULL, NULL, NULL);
stefano@22243	2041 if (rc != 0) {
stefano@22243	2042 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
ian@22294	2043 "xc_domain_set_pod_target domid=%d, memkb=%d "
stefano@22251	2044 "failed rc=%d\n", domid, new_target_memkb / 4,
stefano@22243	2045 rc);
stefano@22243	2046 abort = 1;
stefano@22243	2047 goto out;
stefano@22243	2048 }
stefano@22243	2049
stefano@22244	2050 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "%s/memory/target",
stefano@22244	2051 dompath), "%"PRIu32, new_target_memkb);
keir@21374	2052 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
stefano@22243	2053 if (rc != 1 \|\| info.domain != domid) {
stefano@22243	2054 abort = 1;
gianni@22023	2055 goto out;
stefano@22243	2056 }
keir@21374	2057 xcinfo2xlinfo(&info, &ptr);
ian@22164	2058 uuid = libxl__uuid2string(&gc, ptr.uuid);
stefano@22244	2059 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "/vm/%s/memory", uuid),
stefano@22244	2060 "%"PRIu32, new_target_memkb / 1024);
gianni@22023	2061
gianni@22023	2062 out:
stefano@22243	2063 if (!xs_transaction_end(ctx->xsh, t, abort) && !abort)
stefano@22243	2064 if (errno == EAGAIN)
stefano@22243	2065 goto retry_transaction;
stefano@22243	2066
ian@22164	2067 libxl__free_all(&gc);
keir@20647	2068 return rc;
keir@20647	2069 }
keir@20875	2070
stefano@22244	2071 int libxl_get_memory_target(libxl_ctx ctx, uint32_t domid, uint32_t out_target)
stefano@22244	2072 {
stefano@22244	2073 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22244	2074 int rc = 1;
stefano@22244	2075 char target = NULL, endptr = NULL;
stefano@22244	2076 char *dompath = libxl__xs_get_dompath(&gc, domid);
stefano@22244	2077 uint32_t target_memkb;
stefano@22244	2078
stefano@22244	2079 target = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc,
stefano@22244	2080 "%s/memory/target", dompath));
stefano@22244	2081 if (!target && !domid) {
stefano@22244	2082 rc = libxl__fill_dom0_memory_info(&gc, &target_memkb);
stefano@22244	2083 if (rc < 0)
stefano@22244	2084 goto out;
stefano@22244	2085 } else if (!target) {
stefano@22244	2086 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2087 "cannot get target memory info from %s/memory/target\n",
stefano@22244	2088 dompath);
stefano@22244	2089 goto out;
stefano@22244	2090 } else {
stefano@22244	2091 target_memkb = strtoul(target, &endptr, 10);
stefano@22244	2092 if (*endptr != '\0') {
stefano@22244	2093 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,
stefano@22244	2094 "invalid memory target %s from %s/memory/target\n",
stefano@22244	2095 target, dompath);
stefano@22244	2096 goto out;
stefano@22244	2097 }
stefano@22244	2098 }
stefano@22244	2099 *out_target = target_memkb;
stefano@22244	2100 rc = 0;
stefano@22244	2101
stefano@22244	2102 out:
stefano@22244	2103 libxl__free_all(&gc);
stefano@22244	2104 return rc;
stefano@22244	2105 }
stefano@22244	2106
stefano@22245	2107 int libxl_domain_need_memory(libxl_ctx ctx, libxl_domain_build_info b_info,
stefano@22245	2108 libxl_device_model_info dm_info, uint32_t need_memkb)
stefano@22245	2109 {
stefano@22245	2110 *need_memkb = b_info->target_memkb;
stefano@22245	2111 if (b_info->hvm) {
stefano@22245	2112 *need_memkb += b_info->shadow_memkb + LIBXL_HVM_EXTRA_MEMORY;
stefano@22245	2113 if (strstr(dm_info->device_model, "stubdom-dm"))
stefano@22245	2114 need_memkb += 32 1024;
stefano@22245	2115 } else
stefano@22469	2116 *need_memkb += b_info->shadow_memkb + LIBXL_PV_EXTRA_MEMORY;
stefano@22245	2117 if (need_memkb % (2 1024))
stefano@22245	2118 need_memkb += (2 1024) - (need_memkb % (2 1024));
stefano@22245	2119 return 0;
stefano@22245	2120 }
stefano@22245	2121
stefano@22245	2122 int libxl_get_free_memory(libxl_ctx ctx, uint32_t memkb)
stefano@22245	2123 {
stefano@22245	2124 int rc = 0;
stefano@22245	2125 libxl_physinfo info;
stefano@22245	2126 uint32_t freemem_slack;
stefano@22245	2127 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245	2128
stefano@22245	2129 rc = libxl_get_physinfo(ctx, &info);
stefano@22245	2130 if (rc < 0)
stefano@22245	2131 goto out;
stefano@22245	2132 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245	2133 if (rc < 0)
stefano@22245	2134 goto out;
stefano@22245	2135
stefano@22245	2136 if ((info.free_pages + info.scrub_pages) * 4 > freemem_slack)
stefano@22245	2137 memkb = (info.free_pages + info.scrub_pages) 4 - freemem_slack;
stefano@22245	2138 else
stefano@22245	2139 *memkb = 0;
stefano@22245	2140
stefano@22245	2141 out:
stefano@22245	2142 libxl__free_all(&gc);
stefano@22245	2143 return rc;
stefano@22245	2144 }
stefano@22245	2145
stefano@22245	2146 int libxl_wait_for_free_memory(libxl_ctx *ctx, uint32_t domid, uint32_t
stefano@22245	2147 memory_kb, int wait_secs)
stefano@22245	2148 {
stefano@22245	2149 int rc = 0;
stefano@22245	2150 libxl_physinfo info;
stefano@22245	2151 uint32_t freemem_slack;
stefano@22245	2152 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22245	2153
stefano@22245	2154 rc = libxl__get_free_memory_slack(&gc, &freemem_slack);
stefano@22245	2155 if (rc < 0)
stefano@22245	2156 goto out;
stefano@22245	2157 while (wait_secs > 0) {
stefano@22245	2158 rc = libxl_get_physinfo(ctx, &info);
stefano@22245	2159 if (rc < 0)
stefano@22245	2160 goto out;
stefano@22245	2161 if (info.free_pages * 4 - freemem_slack >= memory_kb) {
stefano@22245	2162 rc = 0;
stefano@22245	2163 goto out;
stefano@22245	2164 }
stefano@22245	2165 wait_secs--;
stefano@22245	2166 sleep(1);
stefano@22245	2167 }
stefano@22245	2168 rc = ERROR_NOMEM;
stefano@22245	2169
stefano@22245	2170 out:
stefano@22245	2171 libxl__free_all(&gc);
stefano@22245	2172 return rc;
stefano@22245	2173 }
stefano@22245	2174
stefano@22245	2175 int libxl_wait_for_memory_target(libxl_ctx *ctx, uint32_t domid, int wait_secs)
stefano@22245	2176 {
stefano@22245	2177 int rc = 0;
stefano@22245	2178 uint32_t target_memkb = 0;
stefano@22245	2179 libxl_dominfo info;
stefano@22245	2180
stefano@22245	2181 do {
stefano@22245	2182 wait_secs--;
stefano@22245	2183 sleep(1);
stefano@22245	2184
stefano@22245	2185 rc = libxl_get_memory_target(ctx, domid, &target_memkb);
stefano@22245	2186 if (rc < 0)
stefano@22245	2187 goto out;
stefano@22245	2188
stefano@22245	2189 rc = libxl_domain_info(ctx, &info, domid);
stefano@22245	2190 if (rc < 0)
stefano@22245	2191 return rc;
stefano@22245	2192 } while (wait_secs > 0 && info.current_memkb > target_memkb);
stefano@22245	2193
stefano@22245	2194 if (info.current_memkb <= target_memkb)
stefano@22245	2195 rc = 0;
stefano@22245	2196 else
stefano@22245	2197 rc = ERROR_FAIL;
stefano@22245	2198
stefano@22245	2199 out:
stefano@22245	2200 return 0;
stefano@22245	2201 }
stefano@22245	2202
ian@21930	2203 int libxl_button_press(libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875	2204 {
keir@20875	2205 int rc = -1;
keir@20875	2206
keir@20875	2207 switch (button) {
keir@20875	2208 case POWER_BUTTON:
keir@20875	2209 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875	2210 break;
keir@20875	2211 case SLEEP_BUTTON:
keir@20875	2212 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875	2213 break;
keir@20875	2214 default:
keir@20875	2215 break;
keir@20875	2216 }
keir@20875	2217
keir@20875	2218 return rc;
keir@20875	2219 }
keir@21141	2220
ian@21930	2221 int libxl_get_physinfo(libxl_ctx ctx, libxl_physinfo physinfo)
keir@21141	2222 {
keir@21141	2223 xc_physinfo_t xcphysinfo = { 0 };
keir@21141	2224 int rc;
keir@21141	2225
keir@21141	2226 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141	2227 if (rc != 0) {
ian@22165	2228 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting physinfo");
gianni@21892	2229 return ERROR_FAIL;
keir@21141	2230 }
keir@21141	2231 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141	2232 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142	2233 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141	2234 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141	2235 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141	2236 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141	2237 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141	2238 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264	2239 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264	2240 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264	2241 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264	2242
keir@21141	2243 return 0;
keir@21141	2244 }
keir@21141	2245
juergen@22648	2246 int libxl_get_topologyinfo(libxl_ctx ctx, libxl_topologyinfo info)
juergen@22648	2247 {
juergen@22648	2248 xc_topologyinfo_t tinfo;
juergen@22648	2249 DECLARE_HYPERCALL_BUFFER(xc_cpu_to_core_t, coremap);
juergen@22648	2250 DECLARE_HYPERCALL_BUFFER(xc_cpu_to_socket_t, socketmap);
juergen@22648	2251 DECLARE_HYPERCALL_BUFFER(xc_cpu_to_node_t, nodemap);
juergen@22648	2252 int i;
juergen@22648	2253 int rc = 0;
juergen@22648	2254
juergen@22648	2255 rc += libxl_cpuarray_alloc(ctx, &info->coremap);
juergen@22648	2256 rc += libxl_cpuarray_alloc(ctx, &info->socketmap);
juergen@22648	2257 rc += libxl_cpuarray_alloc(ctx, &info->nodemap);
juergen@22648	2258 if (rc)
juergen@22648	2259 goto fail;
juergen@22648	2260
juergen@22648	2261 coremap = xc_hypercall_buffer_alloc(ctx->xch, coremap, sizeof(coremap) info->coremap.entries);
juergen@22648	2262 socketmap = xc_hypercall_buffer_alloc(ctx->xch, socketmap, sizeof(socketmap) info->socketmap.entries);
juergen@22648	2263 nodemap = xc_hypercall_buffer_alloc(ctx->xch, nodemap, sizeof(nodemap) info->nodemap.entries);
juergen@22648	2264 if ((coremap == NULL) \|\| (socketmap == NULL) \|\| (nodemap == NULL))
juergen@22648	2265 goto fail;
juergen@22648	2266
juergen@22648	2267 set_xen_guest_handle(tinfo.cpu_to_core, coremap);
juergen@22648	2268 set_xen_guest_handle(tinfo.cpu_to_socket, socketmap);
juergen@22648	2269 set_xen_guest_handle(tinfo.cpu_to_node, nodemap);
juergen@22648	2270 tinfo.max_cpu_index = info->coremap.entries - 1;
juergen@22648	2271 if (xc_topologyinfo(ctx->xch, &tinfo) != 0)
juergen@22648	2272 goto fail;
juergen@22648	2273
juergen@22648	2274 for (i = 0; i <= tinfo.max_cpu_index; i++) {
juergen@22648	2275 if (i < info->coremap.entries)
juergen@22648	2276 info->coremap.array[i] = (coremap[i] == INVALID_TOPOLOGY_ID) ?
juergen@22648	2277 LIBXL_CPUARRAY_INVALID_ENTRY : coremap[i];
juergen@22648	2278 if (i < info->socketmap.entries)
juergen@22648	2279 info->socketmap.array[i] = (socketmap[i] == INVALID_TOPOLOGY_ID) ?
juergen@22648	2280 LIBXL_CPUARRAY_INVALID_ENTRY : socketmap[i];
juergen@22648	2281 if (i < info->nodemap.entries)
juergen@22648	2282 info->nodemap.array[i] = (nodemap[i] == INVALID_TOPOLOGY_ID) ?
juergen@22648	2283 LIBXL_CPUARRAY_INVALID_ENTRY : nodemap[i];
juergen@22648	2284 }
juergen@22648	2285
juergen@22648	2286 xc_hypercall_buffer_free(ctx->xch, coremap);
juergen@22648	2287 xc_hypercall_buffer_free(ctx->xch, socketmap);
juergen@22648	2288 xc_hypercall_buffer_free(ctx->xch, nodemap);
juergen@22648	2289 return 0;
juergen@22648	2290
juergen@22648	2291 fail:
juergen@22648	2292 xc_hypercall_buffer_free(ctx->xch, coremap);
juergen@22648	2293 xc_hypercall_buffer_free(ctx->xch, socketmap);
juergen@22648	2294 xc_hypercall_buffer_free(ctx->xch, nodemap);
juergen@22648	2295 libxl_topologyinfo_destroy(info);
juergen@22648	2296 return ERROR_FAIL;
juergen@22648	2297 }
juergen@22648	2298
ian@21930	2299 const libxl_version_info* libxl_get_version_info(libxl_ctx *ctx)
keir@21266	2300 {
keir@21266	2301 union {
keir@21266	2302 xen_extraversion_t xen_extra;
keir@21266	2303 xen_compile_info_t xen_cc;
keir@21266	2304 xen_changeset_info_t xen_chgset;
keir@21266	2305 xen_capabilities_info_t xen_caps;
keir@21266	2306 xen_platform_parameters_t p_parms;
keir@21266	2307 xen_commandline_t xen_commandline;
keir@21266	2308 } u;
keir@21266	2309 long xen_version;
keir@21266	2310 libxl_version_info *info = &ctx->version_info;
keir@21266	2311
keir@21266	2312 if (info->xen_version_extra != NULL)
keir@21266	2313 return info;
keir@21266	2314
keir@21266	2315 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266	2316 info->xen_version_major = xen_version >> 16;
keir@21266	2317 info->xen_version_minor = xen_version & 0xFF;
gianni@22008	2318
keir@21266	2319 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
gianni@22008	2320 info->xen_version_extra = strdup(u.xen_extra);
keir@21266	2321
keir@21266	2322 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
gianni@22008	2323 info->compiler = strdup(u.xen_cc.compiler);
gianni@22008	2324 info->compile_by = strdup(u.xen_cc.compile_by);
gianni@22008	2325 info->compile_domain = strdup(u.xen_cc.compile_domain);
gianni@22008	2326 info->compile_date = strdup(u.xen_cc.compile_date);
keir@21266	2327
keir@21266	2328 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
gianni@22008	2329 info->capabilities = strdup(u.xen_caps);
keir@21266	2330
keir@21266	2331 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
gianni@22008	2332 info->changeset = strdup(u.xen_chgset);
keir@21266	2333
keir@21266	2334 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266	2335 info->virt_start = u.p_parms.virt_start;
keir@21266	2336
keir@21266	2337 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266	2338
keir@21266	2339 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
gianni@22008	2340 info->commandline = strdup(u.xen_commandline);
keir@21266	2341
keir@21266	2342 return info;
keir@21266	2343 }
keir@21266	2344
ian@21930	2345 libxl_vcpuinfo libxl_list_vcpu(libxl_ctx ctx, uint32_t domid,
sstabellini@22000	2346 int nb_vcpu, int nrcpus)
keir@21141	2347 {
ian@21930	2348 libxl_vcpuinfo ptr, ret;
keir@21141	2349 xc_domaininfo_t domaininfo;
keir@21141	2350 xc_vcpuinfo_t vcpuinfo;
keir@21141	2351
keir@21141	2352 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
ian@22165	2353 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting infolist");
keir@21141	2354 return NULL;
keir@21141	2355 }
juergen@22396	2356 *nrcpus = libxl_get_max_cpus(ctx);
gianni@22015	2357 ret = ptr = calloc(domaininfo.max_vcpu_id + 1, sizeof (libxl_vcpuinfo));
keir@21141	2358 if (!ptr) {
keir@21141	2359 return NULL;
keir@21141	2360 }
keir@21141	2361
keir@21141	2362 for (nb_vcpu = 0; nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
juergen@22396	2363 if (libxl_cpumap_alloc(ctx, &ptr->cpumap)) {
juergen@22319	2364 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "allocating cpumap");
keir@21141	2365 return NULL;
keir@21141	2366 }
keir@21141	2367 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
ian@22165	2368 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu info");
keir@21141	2369 return NULL;
keir@21141	2370 }
juergen@22396	2371 if (xc_vcpu_getaffinity(ctx->xch, domid, *nb_vcpu, ptr->cpumap.map) == -1) {
ian@22165	2372 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting vcpu affinity");
keir@21141	2373 return NULL;
keir@21141	2374 }
keir@21141	2375 ptr->vcpuid = *nb_vcpu;
keir@21141	2376 ptr->cpu = vcpuinfo.cpu;
keir@21141	2377 ptr->online = !!vcpuinfo.online;
keir@21141	2378 ptr->blocked = !!vcpuinfo.blocked;
keir@21141	2379 ptr->running = !!vcpuinfo.running;
keir@21141	2380 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141	2381 }
keir@21141	2382 return ret;
keir@21141	2383 }
keir@21142	2384
ian@21930	2385 int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
juergen@22396	2386 libxl_cpumap *cpumap)
keir@21142	2387 {
juergen@22396	2388 if (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap->map)) {
ian@22165	2389 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting vcpu affinity");
gianni@21892	2390 return ERROR_FAIL;
gianni@21892	2391 }
gianni@21892	2392 return 0;
keir@21142	2393 }
keir@21143	2394
stefano@22121	2395 int libxl_set_vcpuonline(libxl_ctx *ctx, uint32_t domid, uint32_t bitmask)
keir@21143	2396 {
ian@22167	2397 libxl__gc gc = LIBXL_INIT_GC(ctx);
stefano@22121	2398 libxl_dominfo info;
keir@21143	2399 char *dompath;
stefano@22121	2400 xs_transaction_t t;
gianni@22023	2401 int i, rc = ERROR_FAIL;
keir@21143	2402
stefano@22121	2403 if (libxl_domain_info(ctx, &info, domid) < 0) {
ian@22165	2404 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting domain info list");
gianni@22023	2405 goto out;
keir@21143	2406 }
ian@22164	2407 if (!(dompath = libxl__xs_get_dompath(&gc, domid)))
gianni@22023	2408 goto out;
keir@21143	2409
stefano@22121	2410 retry_transaction:
stefano@22121	2411 t = xs_transaction_start(ctx->xsh);
stefano@22121	2412 for (i = 0; i <= info.vcpu_max_id; i++)
ian@22164	2413 libxl__xs_write(&gc, t,
ian@22164	2414 libxl__sprintf(&gc, "%s/cpu/%u/availability", dompath, i),
stefano@22121	2415 "%s", ((1 << i) & bitmask) ? "online" : "offline");
stefano@22121	2416 if (!xs_transaction_end(ctx->xsh, t, 0)) {
stefano@22121	2417 if (errno == EAGAIN)
stefano@22121	2418 goto retry_transaction;
stefano@22121	2419 } else
stefano@22121	2420 rc = 0;
gianni@22023	2421 out:
ian@22164	2422 libxl__free_all(&gc);
gianni@22023	2423 return rc;
keir@21143	2424 }
keir@21265	2425
keir@21265	2426 /*
keir@21265	2427 * returns one of the XEN_SCHEDULER_* constants from public/domctl.h
keir@21265	2428 */
ian@21930	2429 int libxl_get_sched_id(libxl_ctx *ctx)
keir@21265	2430 {
keir@21265	2431 int sched, ret;
keir@21265	2432
gianni@21892	2433 if ((ret = xc_sched_id(ctx->xch, &sched)) != 0) {
ian@22165	2434 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting domain info list");
gianni@21892	2435 return ERROR_FAIL;
gianni@21892	2436 }
keir@21265	2437 return sched;
keir@21265	2438 }
keir@21292	2439
ian@21930	2440 int libxl_sched_credit_domain_get(libxl_ctx ctx, uint32_t domid, libxl_sched_credit scinfo)
keir@21292	2441 {
keir@21292	2442 struct xen_domctl_sched_credit sdom;
keir@21292	2443 int rc;
keir@21292	2444
keir@21292	2445 rc = xc_sched_credit_domain_get(ctx->xch, domid, &sdom);
gianni@21892	2446 if (rc != 0) {
ian@22165	2447 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting domain sched credit");
gianni@21892	2448 return ERROR_FAIL;
gianni@21892	2449 }
keir@21292	2450
keir@21292	2451 scinfo->weight = sdom.weight;
keir@21292	2452 scinfo->cap = sdom.cap;
keir@21292	2453
keir@21292	2454 return 0;
keir@21292	2455 }
keir@21292	2456
ian@21930	2457 int libxl_sched_credit_domain_set(libxl_ctx ctx, uint32_t domid, libxl_sched_credit scinfo)
keir@21292	2458 {
keir@21292	2459 struct xen_domctl_sched_credit sdom;
keir@21292	2460 xc_domaininfo_t domaininfo;
keir@21292	2461 int rc;
keir@21292	2462
keir@21292	2463 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo);
gianni@21892	2464 if (rc < 0) {
ian@22165	2465 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "getting domain info list");
gianni@21892	2466 return ERROR_FAIL;
gianni@21892	2467 }
keir@21292	2468 if (rc != 1 \|\| domaininfo.domain != domid)
gianni@21892	2469 return ERROR_INVAL;
keir@21292	2470
keir@21292	2471
keir@21292	2472 if (scinfo->weight < 1 \|\| scinfo->weight > 65535) {
ian@22165	2473 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21292	2474 "Cpu weight out of range, valid values are within range from 1 to 65535");
gianni@21892	2475 return ERROR_INVAL;
keir@21292	2476 }
keir@21292	2477
keir@21292	2478 if (scinfo->cap < 0 \|\| scinfo->cap > (domaininfo.max_vcpu_id + 1) * 100) {
ian@22165	2479 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21292	2480 "Cpu cap out of range, valid range is from 0 to %d for specified number of vcpus",
keir@21292	2481 ((domaininfo.max_vcpu_id + 1) * 100));
gianni@21892	2482 return ERROR_INVAL;
keir@21292	2483 }
keir@21292	2484
keir@21292	2485 sdom.weight = scinfo->weight;
keir@21292	2486 sdom.cap = scinfo->cap;
keir@21292	2487
keir@21292	2488 rc = xc_sched_credit_domain_set(ctx->xch, domid, &sdom);
gianni@21892	2489 if ( rc < 0 ) {
ian@22165	2490 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "setting domain sched credit");
gianni@21892	2491 return ERROR_FAIL;
gianni@21892	2492 }
keir@21292	2493
keir@21292	2494 return 0;
keir@21292	2495 }
keir@21292	2496
keir@21393	2497 static int trigger_type_from_string(char *trigger_name)
keir@21393	2498 {
keir@21393	2499 if (!strcmp(trigger_name, "nmi"))
keir@21393	2500 return XEN_DOMCTL_SENDTRIGGER_NMI;
keir@21393	2501 else if (!strcmp(trigger_name, "reset"))
keir@21393	2502 return XEN_DOMCTL_SENDTRIGGER_RESET;
keir@21393	2503 else if (!strcmp(trigger_name, "init"))
keir@21393	2504 return XEN_DOMCTL_SENDTRIGGER_INIT;
keir@21393	2505 else if (!strcmp(trigger_name, "power"))
keir@21393	2506 return XEN_DOMCTL_SENDTRIGGER_POWER;
keir@21393	2507 else if (!strcmp(trigger_name, "sleep"))
keir@21393	2508 return XEN_DOMCTL_SENDTRIGGER_SLEEP;
keir@21393	2509 else
keir@21393	2510 return -1;
keir@21393	2511 }
keir@21393	2512
ian@21930	2513 int libxl_send_trigger(libxl_ctx ctx, uint32_t domid, char trigger_name, uint32_t vcpuid)
keir@21393	2514 {
keir@21393	2515 int rc = -1;
keir@21393	2516 int trigger_type = trigger_type_from_string(trigger_name);
keir@21393	2517
keir@21393	2518 if (trigger_type == -1) {
ian@22165	2519 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, -1,
keir@21393	2520 "Invalid trigger, valid triggers are <nmi\|reset\|init\|power\|sleep>");
gianni@21892	2521 return ERROR_INVAL;
keir@21393	2522 }
keir@21393	2523
keir@21393	2524 rc = xc_domain_send_trigger(ctx->xch, domid, trigger_type, vcpuid);
gianni@21892	2525 if (rc != 0) {
ian@22165	2526 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21393	2527 "Send trigger '%s' failed", trigger_name);
gianni@21892	2528 return ERROR_FAIL;
gianni@21892	2529 }
gianni@21892	2530
gianni@21892	2531 return 0;
keir@21393	2532 }
keir@21402	2533
ian@21930	2534 int libxl_send_sysrq(libxl_ctx *ctx, uint32_t domid, char sysrq)
keir@21402	2535 {
ian@22167	2536 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@22164	2537 char *dompath = libxl__xs_get_dompath(&gc, domid);
ian@22164	2538
ian@22164	2539 libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/control/sysrq", dompath), "%c", sysrq);
ian@22164	2540
ian@22164	2541 libxl__free_all(&gc);
keir@21402	2542 return 0;
keir@21402	2543 }
keir@21402	2544
ian@21930	2545 int libxl_send_debug_keys(libxl_ctx ctx, char keys)
keir@21472	2546 {
gianni@21892	2547 int ret;
gianni@21892	2548 ret = xc_send_debug_keys(ctx->xch, keys);
gianni@21892	2549 if ( ret < 0 ) {
ian@22165	2550 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "sending debug keys");
gianni@21892	2551 return ERROR_FAIL;
gianni@21892	2552 }
gianni@21892	2553 return 0;
keir@21472	2554 }
keir@21472	2555
ian@21930	2556 libxl_xen_console_reader *
ian@21930	2557 libxl_xen_console_read_start(libxl_ctx *ctx, int clear)
keir@21496	2558 {
ian@21930	2559 libxl_xen_console_reader *cr;
keir@21496	2560 unsigned int size = 16384;
keir@21496	2561 char *buf = malloc(size);
keir@21496	2562
keir@21496	2563 if (!buf) {
ian@22165	2564 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "cannot malloc buffer for libxl_xen_console_reader,"
keir@21496	2565 " size is %u", size);
keir@21496	2566 return NULL;
keir@21496	2567 }
keir@21496	2568
ian@21930	2569 cr = malloc(sizeof(libxl_xen_console_reader));
keir@21496	2570 if (!cr) {
ian@22165	2571 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "cannot malloc libxl_xen_console_reader");
keir@21496	2572 return NULL;
keir@21496	2573 }
keir@21496	2574
ian@21930	2575 memset(cr, 0, sizeof(libxl_xen_console_reader));
keir@21496	2576 cr->buffer = buf;
keir@21496	2577 cr->size = size;
keir@21496	2578 cr->count = size;
keir@21496	2579 cr->clear = clear;
keir@21496	2580 cr->incremental = 1;
keir@21496	2581
keir@21496	2582 return cr;
keir@21496	2583 }
keir@21496	2584
keir@21496	2585 /* return values: *line_r
keir@21496	2586 * 1 success, whole line obtained from buffer non-0
keir@21496	2587 * 0 no more lines available right now 0
keir@21496	2588 * negative error code ERROR_* 0
keir@21496	2589 * On success *line_r is updated to point to a nul-terminated
keir@21496	2590 * string which is valid until the next call on the same console
keir@21496	2591 * reader. The libxl caller may overwrite parts of the string
keir@21496	2592 * if it wishes. */
ian@21930	2593 int libxl_xen_console_read_line(libxl_ctx *ctx,
ian@21930	2594 libxl_xen_console_reader *cr,
keir@21496	2595 char **line_r)
keir@21496	2596 {
keir@21496	2597 int ret;
keir@21496	2598
keir@21496	2599 memset(cr->buffer, 0, cr->size);
ian@22292	2600 ret = xc_readconsolering(ctx->xch, cr->buffer, &cr->count,
keir@21496	2601 cr->clear, cr->incremental, &cr->index);
gianni@21892	2602 if (ret < 0) {
ian@22165	2603 LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "reading console ring buffer");
gianni@21892	2604 return ERROR_FAIL;
gianni@21892	2605 }
keir@21496	2606 if (!ret) {
keir@21496	2607 if (cr->count) {
keir@21496	2608 *line_r = cr->buffer;
keir@21496	2609 ret = 1;
keir@21496	2610 } else {
keir@21496	2611 *line_r = NULL;
keir@21496	2612 ret = 0;
keir@21496	2613 }
keir@21496	2614 }
keir@21496	2615
keir@21496	2616 return ret;
keir@21496	2617 }
keir@21496	2618
ian@21930	2619 void libxl_xen_console_read_finish(libxl_ctx *ctx,
ian@21930	2620 libxl_xen_console_reader *cr)
keir@21496	2621 {
keir@21496	2622 free(cr->buffer);
keir@21496	2623 free(cr);
keir@21496	2624 }
keir@21496	2625
ian@21930	2626 uint32_t libxl_vm_get_start_time(libxl_ctx *ctx, uint32_t domid)
keir@21425	2627 {
ian@22167	2628 libxl__gc gc = LIBXL_INIT_GC(ctx);
ian@22164	2629 char *dompath = libxl__xs_get_dompath(&gc, domid);
keir@21425	2630 char vm_path, start_time;
gianni@22023	2631 uint32_t ret;
keir@21425	2632
ian@22164	2633 vm_path = libxl__xs_read(
ian@22164	2634 &gc, XBT_NULL, libxl__sprintf(&gc, "%s/vm", dompath));
ian@22164	2635 start_time = libxl__xs_read(
ian@22164	2636 &gc, XBT_NULL, libxl__sprintf(&gc, "%s/start_time", vm_path));
keir@21425	2637 if (start_time == NULL) {
ian@22165	2638 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, -1,
keir@21425	2639 "Can't get start time of domain '%d'", domid);
gianni@22023	2640 ret = -1;
gianni@22023	2641 }else{
gianni@22023	2642 ret = strtoul(start_time, NULL, 10);
keir@21425	2643 }
ian@22164	2644 libxl__free_all(&gc);
gianni@22023	2645 return ret;
keir@21425	2646 }
keir@21425	2647
ian@21930	2648 char libxl_tmem_list(libxl_ctx ctx, uint32_t domid, int use_long)
keir@21471	2649 {
keir@21471	2650 int rc;
keir@21471	2651 char _buf[32768];
keir@21471	2652
keir@21471	2653 rc = xc_tmem_control(ctx->xch, -1, TMEMC_LIST, domid, 32768, use_long,
keir@21471	2654 0, _buf);
keir@21471	2655 if (rc < 0) {
ian@22165	2656 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2657 "Can not get tmem list");
keir@21471	2658 return NULL;
keir@21471	2659 }
keir@21471	2660
keir@21471	2661 return strdup(_buf);
keir@21471	2662 }
keir@21471	2663
ian@21930	2664 int libxl_tmem_freeze(libxl_ctx *ctx, uint32_t domid)
keir@21471	2665 {
keir@21471	2666 int rc;
keir@21471	2667
keir@21471	2668 rc = xc_tmem_control(ctx->xch, -1, TMEMC_FREEZE, domid, 0, 0,
keir@21471	2669 0, NULL);
keir@21471	2670 if (rc < 0) {
ian@22165	2671 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2672 "Can not freeze tmem pools");
gianni@21892	2673 return ERROR_FAIL;
keir@21471	2674 }
keir@21471	2675
keir@21471	2676 return rc;
keir@21471	2677 }
keir@21471	2678
ian@21930	2679 int libxl_tmem_destroy(libxl_ctx *ctx, uint32_t domid)
keir@21471	2680 {
keir@21471	2681 int rc;
keir@21471	2682
keir@21471	2683 rc = xc_tmem_control(ctx->xch, -1, TMEMC_DESTROY, domid, 0, 0,
keir@21471	2684 0, NULL);
keir@21471	2685 if (rc < 0) {
ian@22165	2686 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2687 "Can not destroy tmem pools");
gianni@21892	2688 return ERROR_FAIL;
keir@21471	2689 }
keir@21471	2690
keir@21471	2691 return rc;
keir@21471	2692 }
keir@21471	2693
ian@21930	2694 int libxl_tmem_thaw(libxl_ctx *ctx, uint32_t domid)
keir@21471	2695 {
keir@21471	2696 int rc;
keir@21471	2697
keir@21471	2698 rc = xc_tmem_control(ctx->xch, -1, TMEMC_THAW, domid, 0, 0,
keir@21471	2699 0, NULL);
keir@21471	2700 if (rc < 0) {
ian@22165	2701 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2702 "Can not thaw tmem pools");
gianni@21892	2703 return ERROR_FAIL;
keir@21471	2704 }
keir@21471	2705
keir@21471	2706 return rc;
keir@21471	2707 }
keir@21471	2708
keir@21471	2709 static int32_t tmem_setop_from_string(char *set_name)
keir@21471	2710 {
keir@21471	2711 if (!strcmp(set_name, "weight"))
keir@21471	2712 return TMEMC_SET_WEIGHT;
keir@21471	2713 else if (!strcmp(set_name, "cap"))
keir@21471	2714 return TMEMC_SET_CAP;
keir@21471	2715 else if (!strcmp(set_name, "compress"))
keir@21471	2716 return TMEMC_SET_COMPRESS;
keir@21471	2717 else
keir@21471	2718 return -1;
keir@21471	2719 }
keir@21471	2720
ian@21930	2721 int libxl_tmem_set(libxl_ctx ctx, uint32_t domid, char name, uint32_t set)
keir@21471	2722 {
keir@21471	2723 int rc;
keir@21471	2724 int32_t subop = tmem_setop_from_string(name);
keir@21471	2725
keir@21471	2726 if (subop == -1) {
ian@22165	2727 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, -1,
keir@21471	2728 "Invalid set, valid sets are <weight\|cap\|compress>");
gianni@21892	2729 return ERROR_INVAL;
keir@21471	2730 }
keir@21471	2731 rc = xc_tmem_control(ctx->xch, -1, subop, domid, set, 0, 0, NULL);
keir@21471	2732 if (rc < 0) {
ian@22165	2733 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2734 "Can not set tmem %s", name);
gianni@21892	2735 return ERROR_FAIL;
keir@21471	2736 }
keir@21471	2737
keir@21471	2738 return rc;
keir@21471	2739 }
keir@21471	2740
ian@21930	2741 int libxl_tmem_shared_auth(libxl_ctx *ctx, uint32_t domid,
keir@21471	2742 char* uuid, int auth)
keir@21471	2743 {
keir@21471	2744 int rc;
keir@21471	2745
keir@21471	2746 rc = xc_tmem_auth(ctx->xch, domid, uuid, auth);
keir@21471	2747 if (rc < 0) {
ian@22165	2748 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
keir@21471	2749 "Can not set tmem shared auth");
gianni@21892	2750 return ERROR_FAIL;
keir@21471	2751 }
keir@21471	2752
keir@21471	2753 return rc;
keir@21471	2754 }
keir@21471	2755
ian@21930	2756 int libxl_tmem_freeable(libxl_ctx *ctx)
sstabellini@21863	2757 {
sstabellini@21863	2758 int rc;
sstabellini@21863	2759
sstabellini@21863	2760 rc = xc_tmem_control(ctx->xch, -1, TMEMC_QUERY_FREEABLE_MB, -1, 0, 0, 0, 0);
sstabellini@21863	2761 if (rc < 0) {
ian@22165	2762 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
sstabellini@21863	2763 "Can not get tmem freeable memory");
gianni@21892	2764 return ERROR_FAIL;
sstabellini@21863	2765 }
sstabellini@21863	2766
sstabellini@21863	2767 return rc;
sstabellini@21863	2768 }
sstabellini@21863	2769
ian@22082	2770 void libxl_file_reference_destroy(libxl_file_reference *f)
Ian@21848	2771 {
ian@22082	2772 libxl__file_reference_unmap(f);
ian@22082	2773 free(f->path);
Ian@21848	2774 }
juergen@22319	2775
juergen@22319	2776 int libxl_get_freecpus(libxl_ctx ctx, libxl_cpumap cpumap)
juergen@22319	2777 {
juergen@22319	2778 int ncpus;
juergen@22319	2779
juergen@22396	2780 ncpus = libxl_get_max_cpus(ctx);
juergen@22396	2781 if (ncpus == 0)
juergen@22396	2782 return ERROR_FAIL;
juergen@22396	2783
juergen@22396	2784 cpumap->map = xc_cpupool_freeinfo(ctx->xch);
juergen@22319	2785 if (cpumap->map == NULL)
juergen@22319	2786 return ERROR_FAIL;
juergen@22319	2787
juergen@22319	2788 cpumap->size = (ncpus + 7) / 8;
juergen@22319	2789
juergen@22319	2790 return 0;
juergen@22319	2791 }
juergen@22319	2792
Christoph@22602	2793 int libxl_create_cpupool(libxl_ctx ctx, const char name, int schedid,
juergen@22319	2794 libxl_cpumap cpumap, libxl_uuid *uuid,
juergen@22319	2795 uint32_t *poolid)
juergen@22319	2796 {
juergen@22319	2797 libxl__gc gc = LIBXL_INIT_GC(ctx);
juergen@22319	2798 int rc;
juergen@22319	2799 int i;
juergen@22319	2800 xs_transaction_t t;
juergen@22319	2801 char *uuid_string;
juergen@22319	2802
juergen@22319	2803 uuid_string = libxl__uuid2string(&gc, *uuid);
juergen@22549	2804 if (!uuid_string) {
juergen@22549	2805 libxl__free_all(&gc);
juergen@22319	2806 return ERROR_NOMEM;
juergen@22549	2807 }
juergen@22319	2808
juergen@22319	2809 rc = xc_cpupool_create(ctx->xch, poolid, schedid);
juergen@22319	2810 if (rc) {
juergen@22319	2811 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	2812 "Could not create cpupool");
juergen@22549	2813 libxl__free_all(&gc);
juergen@22319	2814 return ERROR_FAIL;
juergen@22319	2815 }
juergen@22319	2816
juergen@22396	2817 libxl_for_each_cpu(i, cpumap)
juergen@22396	2818 if (libxl_cpumap_test(&cpumap, i)) {
juergen@22319	2819 rc = xc_cpupool_addcpu(ctx->xch, *poolid, i);
juergen@22319	2820 if (rc) {
juergen@22319	2821 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	2822 "Error moving cpu to cpupool");
juergen@22319	2823 libxl_destroy_cpupool(ctx, *poolid);
juergen@22549	2824 libxl__free_all(&gc);
juergen@22319	2825 return ERROR_FAIL;
juergen@22319	2826 }
juergen@22319	2827 }
juergen@22319	2828
juergen@22319	2829 for (;;) {
juergen@22319	2830 t = xs_transaction_start(ctx->xsh);
juergen@22319	2831
juergen@22319	2832 xs_mkdir(ctx->xsh, t, libxl__sprintf(&gc, "/local/pool/%d", *poolid));
Ian@22368	2833 libxl__xs_write(&gc, t,
Ian@22368	2834 libxl__sprintf(&gc, "/local/pool/%d/uuid", *poolid),
Ian@22368	2835 "%s", uuid_string);
Ian@22368	2836 libxl__xs_write(&gc, t,
Ian@22368	2837 libxl__sprintf(&gc, "/local/pool/%d/name", *poolid),
Ian@22368	2838 "%s", name);
juergen@22319	2839
juergen@22549	2840 if (xs_transaction_end(ctx->xsh, t, 0) \|\| (errno != EAGAIN)) {
juergen@22549	2841 libxl__free_all(&gc);
juergen@22319	2842 return 0;
juergen@22549	2843 }
juergen@22319	2844 }
juergen@22319	2845 }
juergen@22319	2846
juergen@22319	2847 int libxl_destroy_cpupool(libxl_ctx *ctx, uint32_t poolid)
juergen@22319	2848 {
juergen@22319	2849 libxl__gc gc = LIBXL_INIT_GC(ctx);
juergen@22319	2850 int rc, i;
juergen@22319	2851 xc_cpupoolinfo_t *info;
juergen@22319	2852 xs_transaction_t t;
juergen@22396	2853 libxl_cpumap cpumap;
juergen@22319	2854
juergen@22319	2855 info = xc_cpupool_getinfo(ctx->xch, poolid);
juergen@22549	2856 if (info == NULL) {
juergen@22549	2857 libxl__free_all(&gc);
juergen@22319	2858 return ERROR_NOMEM;
juergen@22549	2859 }
juergen@22319	2860
juergen@22319	2861 rc = ERROR_INVAL;
juergen@22319	2862 if ((info->cpupool_id != poolid) \|\| (info->n_dom))
juergen@22319	2863 goto out;
juergen@22319	2864
juergen@22396	2865 rc = ERROR_NOMEM;
juergen@22396	2866 if (libxl_cpumap_alloc(ctx, &cpumap))
juergen@22396	2867 goto out;
juergen@22396	2868
juergen@22396	2869 memcpy(cpumap.map, info->cpumap, cpumap.size);
juergen@22396	2870 libxl_for_each_cpu(i, cpumap)
juergen@22396	2871 if (libxl_cpumap_test(&cpumap, i)) {
juergen@22319	2872 rc = xc_cpupool_removecpu(ctx->xch, poolid, i);
juergen@22319	2873 if (rc) {
juergen@22319	2874 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	2875 "Error removing cpu from cpupool");
juergen@22319	2876 rc = ERROR_FAIL;
juergen@22396	2877 goto out1;
juergen@22319	2878 }
juergen@22319	2879 }
juergen@22319	2880
juergen@22319	2881 rc = xc_cpupool_destroy(ctx->xch, poolid);
juergen@22319	2882 if (rc) {
juergen@22319	2883 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc, "Could not destroy cpupool");
juergen@22319	2884 rc = ERROR_FAIL;
juergen@22396	2885 goto out1;
juergen@22319	2886 }
juergen@22319	2887
juergen@22319	2888 for (;;) {
juergen@22319	2889 t = xs_transaction_start(ctx->xsh);
juergen@22319	2890
juergen@22319	2891 xs_rm(ctx->xsh, XBT_NULL, libxl__sprintf(&gc, "/local/pool/%d", poolid));
juergen@22319	2892
juergen@22319	2893 if (xs_transaction_end(ctx->xsh, t, 0) \|\| (errno != EAGAIN))
juergen@22319	2894 break;
juergen@22319	2895 }
juergen@22319	2896
juergen@22319	2897 rc = 0;
juergen@22319	2898
juergen@22396	2899 out1:
juergen@22396	2900 libxl_cpumap_destroy(&cpumap);
juergen@22319	2901 out:
juergen@22396	2902 xc_cpupool_infofree(ctx->xch, info);
juergen@22549	2903 libxl__free_all(&gc);
juergen@22319	2904
juergen@22319	2905 return rc;
juergen@22319	2906 }
juergen@22319	2907
juergen@22651	2908 int libxl_cpupool_rename(libxl_ctx ctx, const char name, uint32_t poolid)
juergen@22651	2909 {
juergen@22651	2910 libxl__gc gc = LIBXL_INIT_GC(ctx);
juergen@22651	2911 xs_transaction_t t;
juergen@22651	2912 xc_cpupoolinfo_t *info;
juergen@22651	2913 int rc;
juergen@22651	2914
juergen@22651	2915 info = xc_cpupool_getinfo(ctx->xch, poolid);
juergen@22651	2916 if (info == NULL) {
juergen@22651	2917 libxl__free_all(&gc);
juergen@22651	2918 return ERROR_NOMEM;
juergen@22651	2919 }
juergen@22651	2920
juergen@22651	2921 rc = ERROR_INVAL;
juergen@22651	2922 if (info->cpupool_id != poolid)
juergen@22651	2923 goto out;
juergen@22651	2924
juergen@22651	2925 rc = 0;
juergen@22651	2926
juergen@22651	2927 for (;;) {
juergen@22651	2928 t = xs_transaction_start(ctx->xsh);
juergen@22651	2929
juergen@22651	2930 libxl__xs_write(&gc, t,
juergen@22651	2931 libxl__sprintf(&gc, "/local/pool/%d/name", poolid),
juergen@22651	2932 "%s", name);
juergen@22651	2933
juergen@22651	2934 if (xs_transaction_end(ctx->xsh, t, 0))
juergen@22651	2935 break;
juergen@22651	2936
juergen@22651	2937 if (errno == EAGAIN)
juergen@22651	2938 continue;
juergen@22651	2939
juergen@22651	2940 rc = ERROR_FAIL;
juergen@22651	2941 break;
juergen@22651	2942 }
juergen@22651	2943
juergen@22651	2944 out:
juergen@22651	2945 xc_cpupool_infofree(ctx->xch, info);
juergen@22651	2946 libxl__free_all(&gc);
juergen@22651	2947
juergen@22651	2948 return rc;
juergen@22651	2949 }
juergen@22651	2950
juergen@22319	2951 int libxl_cpupool_cpuadd(libxl_ctx *ctx, uint32_t poolid, int cpu)
juergen@22319	2952 {
juergen@22319	2953 int rc;
juergen@22319	2954
juergen@22319	2955 rc = xc_cpupool_addcpu(ctx->xch, poolid, cpu);
juergen@22319	2956 if (rc) {
juergen@22319	2957 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	2958 "Error moving cpu to cpupool");
juergen@22319	2959 return ERROR_FAIL;
juergen@22319	2960 }
juergen@22319	2961 return 0;
juergen@22319	2962 }
juergen@22319	2963
juergen@22650	2964 int libxl_cpupool_cpuadd_node(libxl_ctx ctx, uint32_t poolid, int node, int cpus)
juergen@22650	2965 {
juergen@22650	2966 int rc = 0;
juergen@22650	2967 int cpu;
juergen@22650	2968 libxl_cpumap freemap;
juergen@22650	2969 libxl_topologyinfo topology;
juergen@22650	2970
juergen@22650	2971 if (libxl_get_freecpus(ctx, &freemap)) {
juergen@22650	2972 return ERROR_FAIL;
juergen@22650	2973 }
juergen@22650	2974
juergen@22650	2975 if (libxl_get_topologyinfo(ctx, &topology)) {
juergen@22650	2976 rc = ERROR_FAIL;
juergen@22650	2977 goto out;
juergen@22650	2978 }
juergen@22650	2979
juergen@22650	2980 *cpus = 0;
juergen@22650	2981 for (cpu = 0; cpu < topology.nodemap.entries; cpu++) {
juergen@22650	2982 if (libxl_cpumap_test(&freemap, cpu) &&
juergen@22650	2983 (topology.nodemap.array[cpu] == node) &&
juergen@22650	2984 !libxl_cpupool_cpuadd(ctx, poolid, cpu)) {
juergen@22650	2985 (*cpus)++;
juergen@22650	2986 }
juergen@22650	2987 }
juergen@22650	2988
juergen@22650	2989 libxl_topologyinfo_destroy(&topology);
juergen@22650	2990
juergen@22650	2991 out:
juergen@22650	2992 libxl_cpumap_destroy(&freemap);
juergen@22650	2993 return rc;
juergen@22650	2994 }
juergen@22650	2995
juergen@22319	2996 int libxl_cpupool_cpuremove(libxl_ctx *ctx, uint32_t poolid, int cpu)
juergen@22319	2997 {
juergen@22319	2998 int rc;
juergen@22319	2999
juergen@22319	3000 rc = xc_cpupool_removecpu(ctx->xch, poolid, cpu);
juergen@22319	3001 if (rc) {
juergen@22319	3002 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	3003 "Error removing cpu from cpupool");
juergen@22319	3004 return ERROR_FAIL;
juergen@22319	3005 }
juergen@22319	3006 return 0;
juergen@22319	3007 }
juergen@22319	3008
juergen@22650	3009 int libxl_cpupool_cpuremove_node(libxl_ctx ctx, uint32_t poolid, int node, int cpus)
juergen@22650	3010 {
juergen@22650	3011 int ret = 0;
juergen@22650	3012 int n_pools;
juergen@22650	3013 int p;
juergen@22650	3014 int cpu;
juergen@22650	3015 libxl_topologyinfo topology;
juergen@22650	3016 libxl_cpupoolinfo *poolinfo;
juergen@22650	3017
juergen@22650	3018 poolinfo = libxl_list_cpupool(ctx, &n_pools);
juergen@22650	3019 if (!poolinfo) {
juergen@22650	3020 return ERROR_NOMEM;
juergen@22650	3021 }
juergen@22650	3022
juergen@22650	3023 if (libxl_get_topologyinfo(ctx, &topology)) {
juergen@22650	3024 ret = ERROR_FAIL;
juergen@22650	3025 goto out;
juergen@22650	3026 }
juergen@22650	3027
juergen@22650	3028 *cpus = 0;
juergen@22650	3029 for (p = 0; p < n_pools; p++) {
juergen@22650	3030 if (poolinfo[p].poolid == poolid) {
juergen@22650	3031 for (cpu = 0; cpu < topology.nodemap.entries; cpu++) {
juergen@22650	3032 if ((topology.nodemap.array[cpu] == node) &&
juergen@22650	3033 libxl_cpumap_test(&poolinfo[p].cpumap, cpu) &&
juergen@22650	3034 !libxl_cpupool_cpuremove(ctx, poolid, cpu)) {
juergen@22650	3035 (*cpus)++;
juergen@22650	3036 }
juergen@22650	3037 }
juergen@22650	3038 }
juergen@22650	3039 }
juergen@22650	3040
juergen@22650	3041 libxl_topologyinfo_destroy(&topology);
juergen@22650	3042
juergen@22650	3043 out:
juergen@22650	3044 for (p = 0; p < n_pools; p++) {
juergen@22650	3045 libxl_cpupoolinfo_destroy(poolinfo + p);
juergen@22650	3046 }
juergen@22650	3047
juergen@22650	3048 return ret;
juergen@22650	3049 }
juergen@22650	3050
juergen@22319	3051 int libxl_cpupool_movedomain(libxl_ctx *ctx, uint32_t poolid, uint32_t domid)
juergen@22319	3052 {
juergen@22319	3053 libxl__gc gc = LIBXL_INIT_GC(ctx);
juergen@22319	3054 int rc;
juergen@22319	3055 char *dom_path;
juergen@22319	3056 char *vm_path;
juergen@22319	3057 char *poolname;
juergen@22319	3058 xs_transaction_t t;
juergen@22319	3059
juergen@22319	3060 dom_path = libxl__xs_get_dompath(&gc, domid);
juergen@22319	3061 if (!dom_path) {
juergen@22549	3062 libxl__free_all(&gc);
juergen@22319	3063 return ERROR_FAIL;
juergen@22319	3064 }
juergen@22319	3065
juergen@22319	3066 rc = xc_cpupool_movedomain(ctx->xch, poolid, domid);
juergen@22319	3067 if (rc) {
juergen@22319	3068 LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, rc,
juergen@22319	3069 "Error moving domain to cpupool");
juergen@22549	3070 libxl__free_all(&gc);
juergen@22319	3071 return ERROR_FAIL;
juergen@22319	3072 }
juergen@22319	3073
juergen@22319	3074 for (;;) {
juergen@22319	3075 t = xs_transaction_start(ctx->xsh);
juergen@22319	3076
juergen@22319	3077 poolname = libxl__cpupoolid_to_name(&gc, poolid);
juergen@22319	3078 vm_path = libxl__xs_read(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/vm", dom_path));
juergen@22319	3079 if (!vm_path)
juergen@22319	3080 break;
juergen@22319	3081
Ian@22368	3082 libxl__xs_write(&gc, t, libxl__sprintf(&gc, "%s/pool_name", vm_path),
Ian@22368	3083 "%s", poolname);
juergen@22319	3084
juergen@22319	3085 if (xs_transaction_end(ctx->xsh, t, 0) \|\| (errno != EAGAIN))
juergen@22319	3086 break;
juergen@22319	3087 }
juergen@22319	3088
juergen@22549	3089 libxl__free_all(&gc);
juergen@22319	3090 return 0;
juergen@22319	3091 }