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

debuggers.hg

annotate tools/libxl/libxl.c @ 21894:267ddd7fa11f

libxl: do not create /vss and /xapi paths in xenstore.

libxl doesn't know anything about these paths and there is no reason
it needs to manage them.

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

author	Ian Campbell <ian.campbell@citrix.com>
date	Fri Jul 23 17:35:59 2010 +0100 (2010-07-23)
parents	e23302fcb83c
children	1c1b02487b57

rev	line source
keir@20462	1 /*
keir@20462	2 * Copyright (C) 2009 Citrix Ltd.
keir@20462	3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462	4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462	5 *
keir@20462	6 * This program is free software; you can redistribute it and/or modify
keir@20462	7 * it under the terms of the GNU Lesser General Public License as published
keir@20462	8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462	9 * exception on linking described in file LICENSE.
keir@20462	10 *
keir@20462	11 * This program is distributed in the hope that it will be useful,
keir@20462	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462	14 * GNU Lesser General Public License for more details.
keir@20462	15 */
keir@20462	16
keir@20513	17 #include "libxl_osdeps.h"
keir@20513	18
keir@20462	19 #include <stdio.h>
keir@20462	20 #include <string.h>
keir@20462	21 #include <stdlib.h>
keir@20462	22 #include <sys/types.h>
keir@20462	23 #include <fcntl.h>
keir@20462	24 #include <sys/select.h>
Ian@21848	25 #include <sys/mman.h>
keir@20514	26 #include <sys/wait.h>
keir@20462	27 #include <signal.h>
keir@20468	28 #include <unistd.h> /* for write, unlink and close */
keir@20509	29 #include <stdint.h>
keir@20509	30 #include <inttypes.h>
keir@20514	31 #include <assert.h>
keir@20513	32
keir@20462	33 #include "libxl.h"
keir@20462	34 #include "libxl_utils.h"
keir@20462	35 #include "libxl_internal.h"
keir@20462	36 #include "flexarray.h"
keir@20462	37
keir@20860	38 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860	39
keir@21532	40 int libxl_ctx_init(struct libxl_ctx ctx, int version, xentoollog_logger lg)
keir@20462	41 {
keir@20788	42 if (version != LIBXL_VERSION)
keir@20788	43 return ERROR_VERSION;
keir@20462	44 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@21532	45 ctx->lg = lg;
keir@20462	46 ctx->alloc_maxsize = 256;
keir@20462	47 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462	48 if (!ctx->alloc_ptrs)
keir@20462	49 return ERROR_NOMEM;
keir@21266	50 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462	51
keir@21532	52 ctx->xch = xc_interface_open(lg,lg,0);
keir@21529	53 if (!ctx->xch) {
keir@21681	54 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21681	55 "cannot open libxc handle");
keir@20819	56 free(ctx->alloc_ptrs);
keir@20819	57 return ERROR_FAIL;
keir@20819	58 }
keir@20819	59
keir@20462	60 ctx->xsh = xs_daemon_open();
keir@20819	61 if (!ctx->xsh) {
keir@21681	62 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21681	63 "cannot connect to xenstore");
keir@20819	64 xc_interface_close(ctx->xch);
keir@20819	65 free(ctx->alloc_ptrs);
keir@20819	66 return ERROR_FAIL;
keir@20819	67 }
keir@20462	68 return 0;
keir@20462	69 }
keir@20462	70
keir@20462	71 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462	72 {
keir@20462	73 libxl_free_all(ctx);
keir@20462	74 free(ctx->alloc_ptrs);
keir@20462	75 xc_interface_close(ctx->xch);
keir@21186	76 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462	77 return 0;
keir@20462	78 }
keir@20462	79
keir@20462	80 /******************************************************************************/
keir@20462	81
keir@20462	82 int libxl_domain_make(struct libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	83 uint32_t *domid)
keir@20462	84 {
keir@21184	85 int flags, ret, i, rc;
keir@20468	86 char *uuid_string;
keir@20646	87 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462	88 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646	89 "control", "attr", "messages" };
ian@21894	90 char dom_path, vm_path;
keir@20462	91 struct xs_permissions roperm[2];
keir@20462	92 struct xs_permissions rwperm[1];
keir@20462	93 xs_transaction_t t;
keir@20468	94 xen_domain_handle_t handle;
keir@20462	95
keir@21188	96 uuid_string = libxl_uuid2string(ctx, info->uuid);
keir@21188	97 if (!uuid_string) return ERROR_NOMEM;
keir@20462	98
keir@20462	99 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462	100 flags \|= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@21274	101 flags \|= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824	102 *domid = -1;
keir@20462	103
keir@20580	104 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580	105 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468	106
keir@20468	107 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	108 if (ret < 0) {
keir@20512	109 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	110 return ERROR_FAIL;
keir@20462	111 }
keir@20462	112
keir@21368	113 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368	114 if (ret < 0) {
keir@21368	115 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain move fail");
keir@21368	116 return ERROR_FAIL;
keir@21368	117 }
keir@21368	118
keir@20462	119 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	120 if (!dom_path)
keir@20512	121 return ERROR_FAIL;
keir@20512	122
keir@20462	123 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
ian@21894	124 if (!vm_path) {
keir@20462	125 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	126 return ERROR_FAIL;
keir@20462	127 }
keir@20462	128
keir@20462	129 roperm[0].id = 0;
keir@20462	130 roperm[0].perms = XS_PERM_NONE;
keir@20462	131 roperm[1].id = *domid;
keir@20462	132 roperm[1].perms = XS_PERM_READ;
keir@20462	133 rwperm[0].id = *domid;
keir@20462	134 rwperm[0].perms = XS_PERM_NONE;
keir@20462	135
keir@20462	136 retry_transaction:
keir@20462	137 t = xs_transaction_start(ctx->xsh);
keir@20462	138 xs_rm(ctx->xsh, t, dom_path);
keir@20462	139 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	140 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	141
keir@20462	142 xs_rm(ctx->xsh, t, vm_path);
keir@20462	143 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	144 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	145
keir@20462	146 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@21184	147 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
keir@21184	148 if (rc) return rc;
keir@20462	149
keir@20462	150 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	151 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	152 xs_mkdir(ctx->xsh, t, path);
keir@20462	153 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	154 libxl_free(ctx, path);
keir@20462	155 }
keir@20462	156 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	157 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	158 xs_mkdir(ctx->xsh, t, path);
keir@20462	159 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	160 libxl_free(ctx, path);
keir@20462	161 }
keir@20462	162
keir@20462	163 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	164 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389	165 if (info->poolname)
keir@21389	166 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
keir@20462	167
keir@20462	168 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	169 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	170
keir@20462	171 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	172
keir@20462	173 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	174 if (errno == EAGAIN)
keir@20462	175 goto retry_transaction;
keir@20462	176 return 0;
keir@20462	177 }
keir@20462	178
keir@21184	179 int libxl_domain_rename(struct libxl_ctx *ctx, uint32_t domid,
keir@21184	180 const char old_name, const char new_name,
keir@21184	181 xs_transaction_t trans) {
keir@21184	182 char *dom_path = 0;
keir@21184	183 const char *name_path;
keir@21184	184 char *got_old_name;
keir@21184	185 unsigned int got_old_len;
keir@21184	186 xs_transaction_t our_trans = 0;
keir@21184	187 int rc;
keir@21184	188
keir@21184	189 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@21184	190 if (!dom_path) goto x_nomem;
keir@21184	191
keir@21184	192 name_path= libxl_sprintf(ctx, "%s/name", dom_path);
keir@21184	193 if (!name_path) goto x_nomem;
keir@21184	194
keir@21184	195 retry_transaction:
keir@21184	196 if (!trans) {
keir@21184	197 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184	198 if (!our_trans) {
keir@21184	199 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21184	200 "create xs transaction for domain (re)name");
keir@21184	201 goto x_fail;
keir@21184	202 }
keir@21184	203 }
keir@21184	204
keir@21184	205 if (old_name) {
keir@21184	206 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184	207 if (!got_old_name) {
keir@21184	208 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno, "check old name"
keir@21184	209 " for domain %"PRIu32" allegedly named `%s'",
keir@21184	210 domid, old_name);
keir@21184	211 goto x_fail;
keir@21184	212 }
keir@21184	213 if (strcmp(old_name, got_old_name)) {
keir@21184	214 XL_LOG(ctx, XL_LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184	215 "`%s' is actually named `%s' - racing ?",
keir@21184	216 domid, old_name, got_old_name);
keir@21184	217 free(got_old_name);
keir@21184	218 goto x_fail;
keir@21184	219 }
keir@21184	220 free(got_old_name);
keir@21184	221 }
keir@21184	222 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184	223 new_name, strlen(new_name))) {
keir@21184	224 XL_LOG(ctx, XL_LOG_ERROR, "failed to write new name `%s'"
keir@21184	225 " for domain %"PRIu32" previously named `%s'",
keir@21531	226 new_name, domid, old_name);
keir@21184	227 goto x_fail;
keir@21184	228 }
keir@21184	229
keir@21184	230 if (our_trans) {
keir@21184	231 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184	232 trans = our_trans = 0;
keir@21184	233 if (errno != EAGAIN) {
keir@21184	234 XL_LOG(ctx, XL_LOG_ERROR, "failed to commit new name `%s'"
keir@21184	235 " for domain %"PRIu32" previously named `%s'",
keir@21531	236 new_name, domid, old_name);
keir@21184	237 goto x_fail;
keir@21184	238 }
keir@21184	239 XL_LOG(ctx, XL_LOG_DEBUG, "need to retry rename transaction"
keir@21184	240 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184	241 domid, name_path, new_name);
keir@21184	242 goto retry_transaction;
keir@21184	243 }
keir@21184	244 our_trans = 0;
keir@21184	245 }
keir@21184	246
keir@21184	247 rc = 0;
keir@21184	248 x_rc:
keir@21184	249 if (dom_path) libxl_free(ctx, dom_path);
keir@21184	250 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
keir@21184	251 return rc;
keir@21184	252
keir@21184	253 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184	254 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184	255 }
keir@21184	256
keir@20516	257 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	258 {
keir@20462	259 char vments = NULL, localents = NULL;
keir@21438	260 struct timeval start_time;
keir@20829	261 int i, ret;
keir@20829	262
keir@20829	263 ret = build_pre(ctx, domid, info, state);
keir@20829	264 if (ret) goto out;
keir@20462	265
keir@21438	266 gettimeofday(&start_time, NULL);
keir@21438	267
keir@20462	268 if (info->hvm) {
keir@20829	269 ret = build_hvm(ctx, domid, info, state);
keir@20829	270 if (ret) goto out;
keir@20829	271
keir@21438	272 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516	273 vments[0] = "rtc/timeoffset";
keir@20516	274 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	275 vments[2] = "image/ostype";
keir@20516	276 vments[3] = "hvm";
keir@21438	277 vments[4] = "start_time";
keir@21438	278 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	279 } else {
keir@20829	280 ret = build_pv(ctx, domid, info, state);
keir@20829	281 if (ret) goto out;
keir@20829	282
keir@21438	283 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20578	284 i = 0;
keir@20578	285 vments[i++] = "image/ostype";
keir@20578	286 vments[i++] = "linux";
keir@20578	287 vments[i++] = "image/kernel";
Ian@21848	288 vments[i++] = (char*) info->kernel.path;
keir@21438	289 vments[i++] = "start_time";
keir@21438	290 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848	291 if (info->u.pv.ramdisk.path) {
keir@20578	292 vments[i++] = "image/ramdisk";
Ian@21848	293 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20578	294 }
keir@20578	295 if (info->u.pv.cmdline) {
keir@20578	296 vments[i++] = "image/cmdline";
keir@20578	297 vments[i++] = (char*) info->u.pv.cmdline;
keir@20578	298 }
keir@20462	299 }
keir@20829	300 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829	301 out:
Ian@21848	302 libxl_file_reference_unmap(ctx, &info->kernel);
Ian@21848	303 if (!info->hvm)
Ian@21848	304 libxl_file_reference_unmap(ctx, &info->u.pv.ramdisk);
Ian@21848	305
keir@20829	306 return ret;
keir@20462	307 }
keir@20462	308
keir@20462	309 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	310 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	311 libxl_device_model_info *dm_info)
keir@20462	312 {
keir@20462	313 char vments = NULL, localents = NULL;
keir@21438	314 struct timeval start_time;
keir@21183	315 int i, ret, esave, flags;
keir@20462	316
keir@20829	317 ret = build_pre(ctx, domid, info, state);
keir@20829	318 if (ret) goto out;
keir@20829	319
keir@20829	320 ret = restore_common(ctx, domid, info, state, fd);
keir@20829	321 if (ret) goto out;
keir@20829	322
keir@21438	323 gettimeofday(&start_time, NULL);
keir@21438	324
keir@20462	325 if (info->hvm) {
keir@21438	326 vments = libxl_calloc(ctx, 7, sizeof(char *));
keir@20516	327 vments[0] = "rtc/timeoffset";
keir@20516	328 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	329 vments[2] = "image/ostype";
keir@20565	330 vments[3] = "hvm";
keir@21438	331 vments[4] = "start_time";
keir@21438	332 vments[5] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
keir@20462	333 } else {
keir@21438	334 vments = libxl_calloc(ctx, 11, sizeof(char *));
keir@20627	335 i = 0;
keir@20627	336 vments[i++] = "image/ostype";
keir@20627	337 vments[i++] = "linux";
keir@20627	338 vments[i++] = "image/kernel";
Ian@21848	339 vments[i++] = (char*) info->kernel.path;
keir@21438	340 vments[i++] = "start_time";
keir@21438	341 vments[i++] = libxl_sprintf(ctx, "%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
Ian@21848	342 if (info->u.pv.ramdisk.path) {
keir@20627	343 vments[i++] = "image/ramdisk";
Ian@21848	344 vments[i++] = (char*) info->u.pv.ramdisk.path;
keir@20627	345 }
keir@20627	346 if (info->u.pv.cmdline) {
keir@20627	347 vments[i++] = "image/cmdline";
keir@20627	348 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627	349 }
keir@20462	350 }
keir@20829	351 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829	352 if (ret) goto out;
keir@20829	353
keir@21417	354 dm_info->saved_state = NULL;
keir@21417	355 if (info->hvm) {
keir@21417	356 ret = asprintf(&dm_info->saved_state,
keir@21417	357 "/var/lib/xen/qemu-save.%d", domid);
keir@21417	358 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417	359 }
keir@21417	360
keir@20829	361 out:
Ian@21848	362 libxl_file_reference_unmap(ctx, &info->kernel);
Ian@21848	363 if (!info->hvm)
Ian@21848	364 libxl_file_reference_unmap(ctx, &info->u.pv.ramdisk);
Ian@21848	365
keir@21183	366 esave = errno;
keir@21183	367
keir@21183	368 flags = fcntl(fd, F_GETFL);
keir@21183	369 if (flags == -1) {
keir@21183	370 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to get flags on restore fd");
keir@21183	371 } else {
keir@21183	372 flags &= ~O_NONBLOCK;
keir@21183	373 if (fcntl(fd, F_SETFL, flags) == -1)
keir@21183	374 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to put restore fd"
keir@21183	375 " back to blocking mode");
keir@21183	376 }
keir@21183	377
keir@21183	378 errno = esave;
keir@20829	379 return ret;
keir@20462	380 }
keir@20462	381
keir@20629	382 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629	383 {
keir@20629	384 if (is_hvm(ctx, domid)) {
keir@20629	385 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629	386 "non-cooperative hvm domain %u", domid);
keir@20629	387 return ERROR_NI;
keir@20629	388 }
keir@20629	389 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629	390 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	391 "xc_domain_resume failed for domain %u",
keir@20629	392 domid);
keir@20629	393 return ERROR_FAIL;
keir@20629	394 }
keir@20629	395 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629	396 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	397 "xs_resume_domain failed for domain %u",
keir@20629	398 domid);
keir@20629	399 return ERROR_FAIL;
keir@20629	400 }
keir@20629	401 return 0;
keir@20629	402 }
keir@20629	403
keir@21189	404 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
keir@21189	405 struct libxl_dominfo *xlinfo) {
keir@21189	406 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189	407 xlinfo->domid = xcinfo->domain;
keir@21189	408
keir@21189	409 if (xcinfo->flags & XEN_DOMINF_dying)
keir@21189	410 xlinfo->dying = 1;
keir@21189	411 else if (xcinfo->flags & XEN_DOMINF_paused)
keir@21189	412 xlinfo->paused = 1;
keir@21189	413 else if (xcinfo->flags & XEN_DOMINF_blocked \|\|
keir@21189	414 xcinfo->flags & XEN_DOMINF_running)
keir@21189	415 xlinfo->running = 1;
keir@21189	416 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
keir@21189	417 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189	418 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189	419 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189	420 }
keir@21189	421
keir@20860	422 struct libxl_dominfo * libxl_list_domain(struct libxl_ctx ctx, int nb_domain)
keir@20462	423 {
keir@20462	424 struct libxl_dominfo *ptr;
keir@20867	425 int i, ret;
keir@20822	426 xc_domaininfo_t info[1024];
keir@20822	427 int size = 1024;
keir@20462	428
keir@20516	429 ptr = calloc(size, sizeof(struct libxl_dominfo));
gianni@21892	430 if (!ptr) {
gianni@21892	431 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "allocating domain info");
gianni@21892	432 return NULL;
gianni@21892	433 }
keir@20822	434
keir@20860	435 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
gianni@21892	436 if (ret<0) {
gianni@21892	437 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "geting domain info list");
gianni@21892	438 return NULL;
gianni@21892	439 }
keir@20784	440
keir@21189	441 for (i = 0; i < ret; i++) {
keir@21189	442 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462	443 }
keir@20867	444 *nb_domain = ret;
keir@20462	445 return ptr;
keir@20462	446 }
keir@20462	447
keir@21189	448 int libxl_domain_info(struct libxl_ctx ctx, struct libxl_dominfo info_r,
keir@21189	449 uint32_t domid) {
keir@21189	450 xc_domaininfo_t xcinfo;
keir@21189	451 int ret;
keir@21189	452
keir@21189	453 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
gianni@21892	454 if (ret<0) {
gianni@21892	455 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "geting domain info list");
gianni@21892	456 return ERROR_FAIL;
gianni@21892	457 }
keir@21189	458 if (ret==0 \|\| xcinfo.domain != domid) return ERROR_INVAL;
keir@21189	459
keir@21189	460 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189	461 return 0;
keir@21189	462 }
keir@21189	463
keir@21368	464 struct libxl_poolinfo * libxl_list_pool(struct libxl_ctx ctx, int nb_pool)
keir@21368	465 {
keir@21368	466 struct libxl_poolinfo *ptr;
keir@21368	467 int i, ret;
keir@21368	468 xc_cpupoolinfo_t info[256];
keir@21368	469 int size = 256;
keir@21368	470
keir@21368	471 ptr = calloc(size, sizeof(struct libxl_poolinfo));
gianni@21892	472 if (!ptr) {
gianni@21892	473 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "allocating cpupool info");
gianni@21892	474 return NULL;
gianni@21892	475 }
keir@21368	476
keir@21368	477 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
gianni@21892	478 if (ret<0) {
gianni@21892	479 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting cpupool info");
gianni@21892	480 return NULL;
gianni@21892	481 }
keir@21368	482
keir@21368	483 for (i = 0; i < ret; i++) {
keir@21368	484 ptr[i].poolid = info[i].cpupool_id;
keir@21368	485 }
keir@21368	486 *nb_pool = ret;
keir@21368	487 return ptr;
keir@21368	488 }
keir@21368	489
keir@20860	490 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
keir@20860	491 struct libxl_vminfo * libxl_list_vm(struct libxl_ctx ctx, int nb_vm)
keir@20860	492 {
keir@20860	493 struct libxl_vminfo *ptr;
keir@20860	494 int index, i, ret;
keir@20860	495 xc_domaininfo_t info[1024];
keir@20860	496 int size = 1024;
keir@20860	497
keir@20860	498 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20860	499 if (!ptr)
keir@20860	500 return NULL;
keir@20860	501
keir@20860	502 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
gianni@21892	503 if (ret<0) {
gianni@21892	504 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "geting domain info list");
gianni@21892	505 return NULL;
gianni@21892	506 }
keir@20860	507 for (index = i = 0; i < ret; i++) {
keir@20860	508 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860	509 continue;
keir@20860	510 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860	511 ptr[index].domid = info[i].domain;
keir@20860	512
keir@20860	513 index++;
keir@20860	514 }
keir@20860	515 *nb_vm = index;
keir@20860	516 return ptr;
keir@20860	517 }
keir@20860	518
keir@20462	519 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	520 uint32_t domid, int fd)
keir@20462	521 {
keir@20565	522 int hvm = is_hvm(ctx, domid);
keir@20565	523 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@21543	524 int debug = info != NULL && info->flags & XL_SUSPEND_DEBUG;
keir@20462	525
keir@20462	526 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565	527 if (hvm)
keir@21417	528 return save_device_model(ctx, domid, fd);
keir@20462	529 return 0;
keir@20462	530 }
keir@20462	531
keir@20462	532 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	533 {
gianni@21892	534 int ret;
gianni@21892	535 ret = xc_domain_pause(ctx->xch, domid);
gianni@21892	536 if (ret<0) {
gianni@21892	537 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "pausing domain %d", domid);
gianni@21892	538 return ERROR_FAIL;
gianni@21892	539 }
Ian@21888	540 return 0;
keir@20462	541 }
keir@20462	542
gianni@21892	543 int libxl_domain_core_dump(struct libxl_ctx *ctx, uint32_t domid,
gianni@21892	544 const char *filename)
sstabellini@21870	545 {
gianni@21892	546 int ret;
gianni@21892	547 ret = xc_domain_dumpcore(ctx->xch, domid, filename);
gianni@21892	548 if (ret<0) {
gianni@21892	549 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "core dumping domain %d to %s",
gianni@21892	550 domid, filename);
Ian@21888	551 return ERROR_FAIL;
gianni@21892	552 }
Ian@21888	553 return 0;
sstabellini@21870	554 }
sstabellini@21870	555
keir@20462	556 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	557 {
keir@20779	558 char *path;
keir@20565	559 char *state;
gianni@21892	560 int ret;
keir@20565	561
keir@20565	562 if (is_hvm(ctx, domid)) {
keir@20779	563 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565	564 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565	565 if (state != NULL && !strcmp(state, "paused")) {
Ian@21844	566 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue");
keir@20565	567 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	568 }
keir@20565	569 }
gianni@21892	570 ret = xc_domain_unpause(ctx->xch, domid);
gianni@21892	571 if (ret<0) {
gianni@21892	572 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unpausing domain %d", domid);
gianni@21892	573 return ERROR_FAIL;
gianni@21892	574 }
Ian@21888	575 return 0;
keir@20462	576 }
keir@20462	577
keir@20462	578 static char *req_table[] = {
keir@20462	579 [0] = "poweroff",
keir@20462	580 [1] = "reboot",
keir@20462	581 [2] = "suspend",
keir@20462	582 [3] = "crash",
keir@20462	583 [4] = "halt",
keir@20462	584 };
keir@20462	585
keir@20462	586 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	587 {
keir@20462	588 char *shutdown_path;
keir@20462	589 char *dom_path;
keir@20462	590
keir@20462	591 if (req > ARRAY_SIZE(req_table))
keir@20462	592 return ERROR_INVAL;
keir@20462	593
keir@20462	594 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	595 if (!dom_path)
keir@20512	596 return ERROR_FAIL;
keir@20512	597
keir@20462	598 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	599
keir@20462	600 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@21552	601 if (is_hvm(ctx,domid)) {
keir@20462	602 unsigned long acpi_s_state = 0;
keir@20462	603 unsigned long pvdriver = 0;
gianni@21892	604 int ret;
gianni@21892	605 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
gianni@21892	606 if (ret<0) {
gianni@21892	607 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting ACPI S-state");
gianni@21892	608 return ERROR_FAIL;
gianni@21892	609 }
gianni@21892	610 ret = xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
gianni@21892	611 if (ret<0) {
gianni@21892	612 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting HVM callback IRQ");
gianni@21892	613 return ERROR_FAIL;
gianni@21892	614 }
gianni@21892	615 if (!pvdriver \|\| acpi_s_state != 0) {
gianni@21892	616 ret = xc_domain_shutdown(ctx->xch, domid, req);
gianni@21892	617 if (ret<0) {
gianni@21892	618 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unpausing domain");
gianni@21892	619 return ERROR_FAIL;
gianni@21892	620 }
gianni@21892	621 }
keir@20462	622 }
Ian@21888	623 return 0;
keir@20462	624 }
keir@20462	625
keir@20637	626 int libxl_get_wait_fd(struct libxl_ctx ctx, int fd)
keir@20545	627 {
keir@20545	628 *fd = xs_fileno(ctx->xsh);
keir@20545	629 return 0;
keir@20545	630 }
keir@20545	631
keir@20637	632 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, libxl_waiter waiter)
keir@20637	633 {
keir@20637	634 waiter->path = strdup("@releaseDomain");
keir@21417	635 if (asprintf(&(waiter->token), "%d", DOMAIN_DEATH) < 0)
keir@21417	636 return -1;
keir@20637	637 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637	638 return -1;
keir@20637	639 return 0;
keir@20637	640 }
keir@20637	641
keir@20637	642 int libxl_wait_for_disk_ejects(struct libxl_ctx ctx, uint32_t guest_domid, libxl_device_disk disks, int num_disks, libxl_waiter *waiter)
keir@20637	643 {
keir@20637	644 int i;
keir@20637	645 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637	646
keir@20637	647 if (!domid)
keir@20637	648 domid = guest_domid;
keir@20637	649
keir@20637	650 for (i = 0; i < num_disks; i++) {
keir@21417	651 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
keir@21417	652 libxl_xs_get_dompath(ctx, domid),
keir@21417	653 device_disk_dev_number(disks[i].virtpath)) < 0)
keir@21417	654 return -1;
keir@21417	655 if (asprintf(&(waiter[i].token), "%d", DISK_EJECT) < 0)
keir@21417	656 return -1;
keir@20637	657 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637	658 }
keir@20637	659 return 0;
keir@20637	660 }
keir@20637	661
keir@20637	662 int libxl_get_event(struct libxl_ctx ctx, libxl_event event)
keir@20545	663 {
keir@20545	664 unsigned int num;
keir@20637	665 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637	666 if (num != 2) {
keir@20637	667 free(events);
gianni@21892	668 return ERROR_FAIL;
keir@20637	669 }
keir@20637	670 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637	671 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637	672 event->type = atoi(event->token);
keir@20637	673 free(events);
keir@20637	674 return 0;
keir@20637	675 }
keir@20637	676
keir@20637	677 int libxl_stop_waiting(struct libxl_ctx ctx, libxl_waiter waiter)
keir@20637	678 {
keir@20637	679 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
gianni@21892	680 return ERROR_FAIL;
keir@20637	681 else
keir@20637	682 return 0;
keir@20637	683 }
keir@20637	684
keir@20637	685 int libxl_free_event(libxl_event *event)
keir@20637	686 {
keir@20637	687 free(event->path);
keir@20637	688 free(event->token);
keir@20637	689 return 0;
keir@20637	690 }
keir@20637	691
keir@20637	692 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637	693 {
keir@20637	694 free(waiter->path);
keir@20637	695 free(waiter->token);
keir@20637	696 return 0;
keir@20637	697 }
keir@20637	698
keir@20785	699 int libxl_event_get_domain_death_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, xc_domaininfo_t *info)
keir@20637	700 {
keir@20785	701 int rc = 0, ret;
keir@20545	702
keir@20637	703 if (event && event->type == DOMAIN_DEATH) {
keir@20785	704 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785	705 if (ret == 1 && info->domain == domid) {
keir@20785	706 if (info->flags & XEN_DOMINF_running \|\|
keir@20785	707 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545	708 goto out;
keir@20545	709 rc = 1;
keir@20545	710 goto out;
keir@20545	711 }
keir@20785	712 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545	713 rc = 1;
keir@20545	714 goto out;
keir@20545	715 }
keir@20545	716 out:
keir@20545	717 return rc;
keir@20545	718 }
keir@20545	719
keir@20637	720 int libxl_event_get_disk_eject_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_device_disk *disk)
keir@20637	721 {
keir@20637	722 if (event && event->type == DISK_EJECT) {
keir@20637	723 char *path;
keir@20637	724 char *backend;
keir@20637	725 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637	726
keir@20637	727 if (!value \|\| strcmp(value, "eject"))
keir@20637	728 return 0;
keir@20637	729
keir@20637	730 path = strdup(event->path);
keir@20637	731 path[strlen(path) - 6] = '\0';
keir@20637	732 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637	733
keir@20637	734 disk->backend_domid = 0;
keir@20637	735 disk->domid = domid;
keir@20637	736 disk->physpath = NULL;
keir@20637	737 disk->phystype = 0;
keir@20637	738 /* this value is returned to the user: do not free right away */
keir@20637	739 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637	740 disk->unpluggable = 1;
keir@20637	741 disk->readwrite = 0;
keir@20637	742 disk->is_cdrom = 1;
keir@20637	743
keir@20637	744 free(path);
keir@20637	745 return 1;
keir@20637	746 }
keir@20637	747 return 0;
keir@20637	748 }
keir@20637	749
keir@20462	750 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	751 {
keir@20462	752 char *pid;
keir@20462	753 int ret;
keir@20462	754
keir@20462	755 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	756 if (!pid) {
keir@20542	757 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	758 if (!stubdomid) {
keir@20542	759 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
gianni@21892	760 return ERROR_INVAL;
keir@20542	761 }
keir@20542	762 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	763 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	764 }
keir@20462	765 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	766
keir@20462	767 ret = kill(atoi(pid), SIGHUP);
keir@20462	768 if (ret < 0 && errno == ESRCH) {
keir@20512	769 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	770 ret = 0;
keir@20462	771 } else if (ret == 0) {
keir@20512	772 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	773 ret = 0;
keir@20462	774 } else {
keir@20512	775 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	776 atoi(pid));
keir@20462	777 }
keir@20462	778 return ret;
keir@20462	779 }
keir@20462	780
keir@20462	781 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	782 {
keir@20801	783 char *dom_path;
ian@21894	784 char *vm_path;
keir@20628	785 int rc, dm_present;
keir@20628	786
keir@20628	787 if (is_hvm(ctx, domid)) {
keir@20628	788 dm_present = 1;
keir@20628	789 } else {
keir@20628	790 char *pid;
keir@20628	791 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628	792 dm_present = (pid != NULL);
keir@20628	793 libxl_free(ctx, pid);
keir@20628	794 }
keir@20462	795
keir@20462	796 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	797 if (!dom_path)
gianni@21892	798 return ERROR_FAIL;
keir@20512	799
keir@20482	800 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	801 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628	802 if (dm_present) {
keir@20628	803 xs_write(ctx->xsh, XBT_NULL,
keir@20628	804 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628	805 "shutdown", strlen("shutdown"));
keir@20628	806 }
keir@20512	807 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	808 if (rc < 0) {
keir@20512	809 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	810 }
keir@20628	811 if (dm_present) {
keir@20628	812 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628	813 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628	814 }
keir@20462	815 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	816 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
ian@21891	817
ian@21891	818 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vm", dom_path));
keir@20823	819 if (vm_path)
keir@20823	820 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823	821 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779	822
ian@21891	823 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
ian@21891	824 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
ian@21891	825
keir@21190	826 libxl__userdata_destroyall(ctx, domid);
keir@21190	827
keir@20545	828 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	829 if (rc < 0) {
keir@20545	830 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
gianni@21892	831 return ERROR_FAIL;
keir@20545	832 }
keir@20462	833 return 0;
keir@20462	834 }
keir@20462	835
Ian@21847	836 int libxl_console_exec(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	837 {
Ian@21847	838 char *p = libxl_sprintf(ctx, "%s/xenconsole", libxl_private_bindir_path());
Ian@21847	839 char *domid_s = libxl_sprintf(ctx, "%d", domid);
Ian@21847	840 char *cons_num_s = libxl_sprintf(ctx, "%d", cons_num);
Ian@21847	841 return execl(p, p, domid_s, "--num", cons_num_s, (void *)NULL) == 0 ? 0 : ERROR_FAIL;
keir@20564	842 }
keir@20564	843
sstabellini@21867	844 int libxl_primary_console_exec(struct libxl_ctx *ctx, uint32_t domid_vm)
sstabellini@21867	845 {
sstabellini@21867	846 uint32_t stubdomid = libxl_get_stubdom_id(ctx, domid_vm);
sstabellini@21867	847 if (stubdomid)
sstabellini@21867	848 return libxl_console_exec(ctx, stubdomid, 1);
sstabellini@21867	849 else
sstabellini@21867	850 return libxl_console_exec(ctx, domid_vm, 0);
sstabellini@21867	851 }
sstabellini@21867	852
sstabellini@21879	853 int libxl_vncviewer_exec(struct libxl_ctx *ctx, uint32_t domid, int autopass)
sstabellini@21879	854 {
sstabellini@21879	855 const char vnc_port, vfb_back;
sstabellini@21879	856 const char vnc_listen = NULL, vnc_pass = NULL;
sstabellini@21879	857 int port = 0, autopass_fd = -1;
sstabellini@21879	858 char vnc_bin, args[] = {
sstabellini@21879	859 "vncviewer",
sstabellini@21879	860 NULL, /* hostname:display */
sstabellini@21879	861 NULL, /* -autopass */
sstabellini@21879	862 NULL,
sstabellini@21879	863 };
sstabellini@21879	864
sstabellini@21879	865 vnc_port = libxl_xs_read(ctx, XBT_NULL,
sstabellini@21879	866 libxl_sprintf(ctx,
sstabellini@21879	867 "/local/domain/%d/console/vnc-port", domid));
sstabellini@21879	868 if ( vnc_port )
sstabellini@21879	869 port = atoi(vnc_port) - 5900;
sstabellini@21879	870
sstabellini@21879	871 vfb_back = libxl_xs_read(ctx, XBT_NULL,
sstabellini@21879	872 libxl_sprintf(ctx,
sstabellini@21879	873 "/local/domain/%d/device/vfb/0/backend", domid));
sstabellini@21879	874 if ( vfb_back ) {
sstabellini@21879	875 vnc_listen = libxl_xs_read(ctx, XBT_NULL,
sstabellini@21879	876 libxl_sprintf(ctx,
sstabellini@21879	877 "/local/domain/%d/console/vnc-listen", domid));
sstabellini@21879	878 if ( autopass )
sstabellini@21879	879 vnc_pass = libxl_xs_read(ctx, XBT_NULL,
sstabellini@21879	880 libxl_sprintf(ctx,
sstabellini@21879	881 "/local/domain/%d/console/vnc-pass", domid));
sstabellini@21879	882 }
sstabellini@21879	883
sstabellini@21879	884 if ( NULL == vnc_listen )
sstabellini@21879	885 vnc_listen = "localhost";
sstabellini@21879	886
sstabellini@21879	887 if ( (vnc_bin = getenv("VNCVIEWER")) )
sstabellini@21879	888 args[0] = vnc_bin;
sstabellini@21879	889
sstabellini@21879	890 args[1] = libxl_sprintf(ctx, "%s:%d", vnc_listen, port);
sstabellini@21879	891
sstabellini@21879	892 if ( vnc_pass ) {
sstabellini@21879	893 char tmpname[] = "/tmp/vncautopass.XXXXXX";
sstabellini@21879	894 autopass_fd = mkstemp(tmpname);
sstabellini@21879	895 if ( autopass_fd < 0 )
sstabellini@21879	896 goto skip_autopass;
sstabellini@21879	897
sstabellini@21879	898 if ( unlink(tmpname) )
sstabellini@21879	899 /* should never happen */
sstabellini@21879	900 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unlink %s failed", tmpname);
sstabellini@21879	901
sstabellini@21879	902 if ( libxl_write_exactly(ctx, autopass_fd, vnc_pass, strlen(vnc_pass),
sstabellini@21879	903 tmpname, "vnc password") ) {
sstabellini@21879	904 do { close(autopass_fd); } while(errno == EINTR);
sstabellini@21879	905 goto skip_autopass;
sstabellini@21879	906 }
sstabellini@21879	907
sstabellini@21879	908 args[2] = "-autopass";
sstabellini@21879	909 }
sstabellini@21879	910
sstabellini@21879	911 skip_autopass:
sstabellini@21879	912 libxl_exec(autopass_fd, -1, -1, args[0], args);
sstabellini@21879	913 return 0;
sstabellini@21879	914 }
sstabellini@21879	915
keir@20462	916 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	917 libxl_device_model_info *info,
keir@20462	918 libxl_device_nic *vifs,
keir@20462	919 int num_vifs)
keir@20462	920 {
keir@20462	921 int num = 0, i;
keir@20462	922 flexarray_t *dm_args;
keir@20462	923 dm_args = flexarray_make(16, 1);
keir@20462	924 if (!dm_args)
keir@20462	925 return NULL;
keir@20462	926
keir@20516	927 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	928 flexarray_set(dm_args, num++, "-d");
keir@20462	929
keir@20462	930 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	931
keir@20462	932 if (info->dom_name) {
keir@20516	933 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	934 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	935 }
keir@20462	936 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	937 flexarray_set(dm_args, num++, "-vnc");
keir@20462	938 if (info->vncdisplay) {
keir@20462	939 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362	940 flexarray_set(
keir@21362	941 dm_args, num++,
keir@21362	942 libxl_sprintf(ctx, "%s:%d%s",
keir@21362	943 info->vnclisten,
keir@21362	944 info->vncdisplay,
keir@21362	945 info->vncpasswd ? ",password" : ""));
keir@20462	946 } else {
keir@20462	947 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	948 }
keir@20462	949 } else if (info->vnclisten) {
keir@20462	950 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	951 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	952 } else {
keir@20462	953 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	954 }
keir@20462	955 } else {
keir@20516	956 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	957 }
keir@20462	958 if (info->vncunused) {
keir@20516	959 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	960 }
keir@20462	961 }
keir@21378	962 if (info->sdl) {
keir@20516	963 flexarray_set(dm_args, num++, "-sdl");
keir@20462	964 if (info->opengl) {
keir@20516	965 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	966 }
keir@20462	967 }
keir@20462	968 if (info->keymap) {
keir@20516	969 flexarray_set(dm_args, num++, "-k");
keir@20516	970 flexarray_set(dm_args, num++, info->keymap);
keir@20462	971 }
keir@20462	972 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	973 flexarray_set(dm_args, num++, "-nographic");
keir@20462	974 }
keir@20462	975 if (info->serial) {
keir@20516	976 flexarray_set(dm_args, num++, "-serial");
keir@20516	977 flexarray_set(dm_args, num++, info->serial);
keir@20462	978 }
keir@20509	979 if (info->type == XENFV) {
Ian@21733	980 int ioemu_vifs = 0;
Ian@21733	981
keir@20509	982 if (info->videoram) {
keir@20516	983 flexarray_set(dm_args, num++, "-videoram");
keir@20509	984 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	985 }
keir@20509	986 if (info->stdvga) {
keir@20516	987 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	988 }
keir@20509	989
keir@20509	990 if (info->boot) {
keir@20516	991 flexarray_set(dm_args, num++, "-boot");
keir@20516	992 flexarray_set(dm_args, num++, info->boot);
keir@20509	993 }
stefano@21890	994 if (info->usb \|\| info->usbdevice) {
keir@20516	995 flexarray_set(dm_args, num++, "-usb");
keir@20509	996 if (info->usbdevice) {
keir@20516	997 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	998 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	999 }
keir@20509	1000 }
Ian@21801	1001 if (info->soundhw) {
Ian@21801	1002 flexarray_set(dm_args, num++, "-soundhw");
Ian@21801	1003 flexarray_set(dm_args, num++, info->soundhw);
Ian@21801	1004 }
keir@20509	1005 if (info->apic) {
keir@20516	1006 flexarray_set(dm_args, num++, "-acpi");
keir@20509	1007 }
keir@21570	1008 if (info->vcpus > 1) {
keir@21570	1009 flexarray_set(dm_args, num++, "-vcpus");
keir@21570	1010 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->vcpus));
keir@21570	1011 }
keir@21570	1012 if (info->vcpu_avail) {
keir@21570	1013 flexarray_set(dm_args, num++, "-vcpu_avail");
keir@21570	1014 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "0x%x", info->vcpu_avail));
keir@21570	1015 }
keir@20509	1016 for (i = 0; i < num_vifs; i++) {
keir@20509	1017 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780	1018 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780	1019 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780	1020 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781	1021 if (!vifs[i].ifname)
keir@20781	1022 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516	1023 flexarray_set(dm_args, num++, "-net");
keir@20509	1024 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780	1025 vifs[i].devid, smac, vifs[i].model));
keir@20516	1026 flexarray_set(dm_args, num++, "-net");
keir@20509	1027 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	1028 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
Ian@21733	1029 ioemu_vifs++;
keir@20509	1030 }
keir@20462	1031 }
Ian@21733	1032 /* If we have no emulated nics, tell qemu not to create any */
Ian@21733	1033 if ( ioemu_vifs == 0 ) {
Ian@21733	1034 flexarray_set(dm_args, num++, "-net");
Ian@21733	1035 flexarray_set(dm_args, num++, "none");
Ian@21733	1036 }
keir@20462	1037 }
keir@20565	1038 if (info->saved_state) {
keir@20565	1039 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	1040 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	1041 }
keir@20509	1042 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	1043 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	1044 flexarray_set(dm_args, num++, "-M");
keir@20509	1045 if (info->type == XENPV)
keir@20516	1046 flexarray_set(dm_args, num++, "xenpv");
keir@20509	1047 else
keir@20516	1048 flexarray_set(dm_args, num++, "xenfv");
keir@20462	1049 flexarray_set(dm_args, num++, NULL);
keir@20462	1050
keir@20462	1051 return (char **) flexarray_contents(dm_args);
keir@20462	1052 }
keir@20462	1053
keir@20834	1054 void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834	1055 {
keir@20514	1056 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	1057 char *kvs[3];
keir@20820	1058 int rc;
keir@20820	1059 struct xs_handle *xsh;
keir@20514	1060
keir@20820	1061 xsh = xs_daemon_open();
keir@20514	1062 /* we mustn't use the parent's handle in the child */
keir@20514	1063
keir@20514	1064 kvs[0] = "image/device-model-pid";
keir@21417	1065 if (asprintf(&kvs[1], "%d", innerchild) < 0)
keir@21417	1066 return;
keir@20514	1067 kvs[2] = NULL;
keir@20820	1068
keir@20820	1069 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820	1070 if (rc)
keir@20820	1071 return;
keir@20820	1072 xs_daemon_close(xsh);
keir@20514	1073 }
keir@20514	1074
keir@20542	1075 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	1076 libxl_device_model_info *info,
keir@20542	1077 libxl_device_vfb *vfb,
keir@20542	1078 libxl_device_vkb *vkb)
keir@20542	1079 {
keir@20542	1080 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	1081 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	1082
keir@20542	1083 vfb->backend_domid = 0;
keir@20542	1084 vfb->devid = 0;
keir@20542	1085 vfb->vnc = info->vnc;
keir@20542	1086 vfb->vnclisten = info->vnclisten;
keir@20542	1087 vfb->vncdisplay = info->vncdisplay;
keir@20542	1088 vfb->vncunused = info->vncunused;
keir@21362	1089 vfb->vncpasswd = info->vncpasswd;
keir@20542	1090 vfb->keymap = info->keymap;
keir@20542	1091 vfb->sdl = info->sdl;
keir@20542	1092 vfb->opengl = info->opengl;
keir@20542	1093
keir@20542	1094 vkb->backend_domid = 0;
keir@20542	1095 vkb->devid = 0;
keir@20542	1096 return 0;
keir@20542	1097 }
keir@20542	1098
keir@20542	1099 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	1100 {
keir@20542	1101 int i;
keir@20542	1102 char *vm_path;
keir@20542	1103 char dmargs, path;
keir@20542	1104 int dmargs_size;
keir@20542	1105 struct xs_permissions roperm[2];
keir@20542	1106 xs_transaction_t t;
keir@20542	1107
keir@20542	1108 roperm[0].id = 0;
keir@20542	1109 roperm[0].perms = XS_PERM_NONE;
keir@20542	1110 roperm[1].id = domid;
keir@20542	1111 roperm[1].perms = XS_PERM_READ;
keir@20542	1112
keir@20542	1113 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	1114
keir@20542	1115 i = 0;
keir@20542	1116 dmargs_size = 0;
keir@20542	1117 while (args[i] != NULL) {
keir@20542	1118 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	1119 i++;
keir@20542	1120 }
keir@20542	1121 dmargs_size++;
keir@20542	1122 dmargs = (char *) malloc(dmargs_size);
keir@20542	1123 i = 1;
keir@20542	1124 dmargs[0] = '\0';
keir@20542	1125 while (args[i] != NULL) {
keir@20542	1126 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	1127 strcat(dmargs, " ");
keir@20542	1128 strcat(dmargs, args[i]);
keir@20542	1129 }
keir@20542	1130 i++;
keir@20542	1131 }
keir@20542	1132 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	1133
keir@20542	1134 retry_transaction:
keir@20542	1135 t = xs_transaction_start(ctx->xsh);
keir@20542	1136 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	1137 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	1138 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	1139 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1140 if (errno == EAGAIN)
keir@20542	1141 goto retry_transaction;
keir@20542	1142 free(dmargs);
keir@20542	1143 return 0;
keir@20542	1144 }
keir@20542	1145
keir@20542	1146 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	1147 libxl_device_model_info *info,
keir@20542	1148 libxl_device_disk *disks, int num_disks,
keir@20542	1149 libxl_device_nic *vifs, int num_vifs,
keir@20542	1150 libxl_device_vfb *vfb,
keir@20542	1151 libxl_device_vkb *vkb,
keir@20542	1152 libxl_device_model_starting **starting_r)
keir@20542	1153 {
keir@20843	1154 int i, num_console = 1, ret;
keir@20570	1155 libxl_device_console *console;
keir@20542	1156 libxl_domain_create_info c_info;
keir@20542	1157 libxl_domain_build_info b_info;
keir@20542	1158 libxl_domain_build_state state;
keir@20542	1159 uint32_t domid;
keir@20542	1160 char **args;
keir@20542	1161 struct xs_permissions perm[2];
keir@20542	1162 xs_transaction_t t;
keir@20594	1163 libxl_device_model_starting *dm_starting = 0;
keir@20542	1164
keir@20542	1165 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	1166 if (!args)
keir@20542	1167 return ERROR_FAIL;
keir@20542	1168
keir@20542	1169 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	1170 c_info.hvm = 0;
keir@20542	1171 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801	1172 for (i = 0; i < 16; i++)
keir@20801	1173 c_info.uuid[i] = info->uuid[i];
keir@20542	1174
keir@20542	1175 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	1176 b_info.max_vcpus = 1;
keir@20542	1177 b_info.max_memkb = 32 * 1024;
keir@20647	1178 b_info.target_memkb = b_info.max_memkb;
Ian@21848	1179 b_info.kernel.path = libxl_abs_path(ctx, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
keir@20542	1180 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
Ian@21848	1181 b_info.u.pv.ramdisk.path = "";
keir@20542	1182 b_info.u.pv.features = "";
keir@20542	1183 b_info.hvm = 0;
keir@20542	1184
keir@20843	1185 ret = libxl_domain_make(ctx, &c_info, &domid);
keir@20843	1186 if (ret) return ret;
keir@20843	1187 ret = libxl_domain_build(ctx, &b_info, domid, &state);
keir@20843	1188 if (ret) return ret;
keir@20542	1189
keir@20542	1190 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20843	1191 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1192 libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)),
keir@20843	1193 "%d", domid);
keir@20843	1194 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1195 libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)),
keir@20843	1196 "%d", info->domid);
gianni@21892	1197 ret = xc_domain_set_target(ctx->xch, domid, info->domid);
gianni@21892	1198 if (ret<0) {
gianni@21892	1199 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "setting target domain %d -> %d", domid, info->domid);
gianni@21892	1200 return ERROR_FAIL;
gianni@21892	1201 }
keir@20542	1202 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	1203
keir@20542	1204 perm[0].id = domid;
keir@20542	1205 perm[0].perms = XS_PERM_NONE;
keir@20542	1206 perm[1].id = info->domid;
keir@20542	1207 perm[1].perms = XS_PERM_READ;
keir@20542	1208 retry_transaction:
keir@20542	1209 t = xs_transaction_start(ctx->xsh);
keir@20542	1210 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	1211 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635	1212 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635	1213 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542	1214 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1215 if (errno == EAGAIN)
keir@20542	1216 goto retry_transaction;
keir@20542	1217
keir@20542	1218 for (i = 0; i < num_disks; i++) {
keir@20781	1219 disks[i].domid = domid;
keir@20843	1220 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20843	1221 if (ret) return ret;
keir@20542	1222 }
keir@20542	1223 for (i = 0; i < num_vifs; i++) {
keir@20781	1224 vifs[i].domid = domid;
keir@20843	1225 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20843	1226 if (ret) return ret;
keir@20542	1227 }
keir@20781	1228 vfb->domid = domid;
keir@20843	1229 ret = libxl_device_vfb_add(ctx, domid, vfb);
keir@20843	1230 if (ret) return ret;
keir@20781	1231 vkb->domid = domid;
keir@20843	1232 ret = libxl_device_vkb_add(ctx, domid, vkb);
keir@20843	1233 if (ret) return ret;
keir@20542	1234
keir@20570	1235 if (info->serial)
keir@20570	1236 num_console++;
keir@20843	1237
keir@20570	1238 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20843	1239 if (!console)
keir@20843	1240 return ERROR_NOMEM;
keir@20843	1241
keir@20570	1242 for (i = 0; i < num_console; i++) {
keir@20781	1243 console[i].devid = i;
keir@20781	1244 console[i].constype = CONSTYPE_IOEMU;
keir@20781	1245 console[i].domid = domid;
keir@20570	1246 if (!i)
keir@20781	1247 console[i].build_state = &state;
keir@20843	1248 ret = libxl_device_console_add(ctx, domid, &console[i]);
keir@20843	1249 if (ret) return ret;
keir@20570	1250 }
keir@20594	1251 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594	1252 free(args);
gianni@21892	1253 return ERROR_FAIL;
keir@20594	1254 }
keir@20594	1255 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594	1256 free(args);
gianni@21892	1257 return ERROR_FAIL;
keir@20594	1258 }
keir@20542	1259
keir@20542	1260 libxl_domain_unpause(ctx, domid);
keir@20542	1261
keir@20594	1262 if (starting_r) {
keir@20594	1263 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598	1264 (*starting_r)->domid = info->domid;
keir@20594	1265 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1266 (*starting_r)->for_spawn = NULL;
keir@20594	1267 }
keir@20594	1268
keir@20542	1269 free(args);
keir@20542	1270 return 0;
keir@20542	1271 }
keir@20542	1272
keir@20462	1273 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	1274 libxl_device_model_info *info,
keir@20542	1275 libxl_device_disk *disks, int num_disks,
keir@20514	1276 libxl_device_nic *vifs, int num_vifs,
keir@20514	1277 libxl_device_model_starting **starting_r)
keir@20462	1278 {
keir@20546	1279 char path, logfile;
keir@20514	1280 int logfile_w, null;
keir@20546	1281 int rc;
keir@20462	1282 char **args;
keir@20594	1283 struct libxl_device_model_starting buf_starting, *p;
keir@21362	1284 xs_transaction_t t;
keir@21362	1285 char *vm_path;
keir@21362	1286 char **pass_stuff;
keir@20514	1287
keir@20542	1288 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	1289 libxl_device_vfb vfb;
keir@20542	1290 libxl_device_vkb vkb;
keir@20542	1291
keir@20542	1292 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	1293 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	1294 }
keir@20542	1295
keir@20462	1296 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	1297 if (!args)
keir@20462	1298 return ERROR_FAIL;
keir@20462	1299
keir@20462	1300 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	1301 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@21599	1302 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/disable_pf", path), "%d", !info->xen_platform_pci);
keir@20462	1303
keir@20546	1304 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	1305 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	1306 free(logfile);
keir@20462	1307 null = open("/dev/null", O_RDONLY);
keir@20514	1308
keir@20514	1309 if (starting_r) {
keir@20516	1310 rc = ERROR_NOMEM;
keir@20594	1311 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516	1312 if (!*starting_r) goto xit;
keir@20594	1313 p = *starting_r;
keir@20611	1314 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594	1315 } else {
keir@20594	1316 p = &buf_starting;
keir@20594	1317 p->for_spawn = NULL;
keir@20594	1318 }
keir@20514	1319
keir@20594	1320 p->domid = info->domid;
keir@20594	1321 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1322 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594	1323
keir@21362	1324 if (info->vncpasswd) {
keir@21362	1325 retry_transaction:
keir@21362	1326 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362	1327 t = xs_transaction_start(ctx->xsh);
keir@21362	1328 vm_path = libxl_xs_read(ctx,t,libxl_sprintf(ctx, "%s/vm", p->dom_path));
keir@21362	1329 if (vm_path) {
keir@21362	1330 /* Now write the vncpassword into it. */
keir@21362	1331 pass_stuff = libxl_calloc(ctx, 2, sizeof(char *));
keir@21362	1332 pass_stuff[0] = "vncpasswd";
keir@21362	1333 pass_stuff[1] = info->vncpasswd;
keir@21362	1334 libxl_xs_writev(ctx,t,vm_path,pass_stuff);
keir@21362	1335 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362	1336 if (errno == EAGAIN)
keir@21362	1337 goto retry_transaction;
keir@21362	1338 }
keir@21362	1339 }
keir@21362	1340
keir@20594	1341 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514	1342 if (rc < 0) goto xit;
keir@20514	1343 if (!rc) { /* inner child */
keir@20833	1344 libxl_exec(null, logfile_w, logfile_w,
keir@21353	1345 libxl_abs_path(ctx, info->device_model, libxl_private_bindir_path()),
keir@21353	1346 args);
keir@20514	1347 }
keir@20514	1348
keir@20514	1349 rc = 0;
keir@20514	1350 xit:
keir@20516	1351 free(args);
keir@20462	1352 close(null);
keir@20462	1353 close(logfile_w);
keir@20462	1354
keir@20514	1355 return rc;
keir@20514	1356 }
keir@20514	1357
keir@20514	1358 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779	1359 libxl_device_model_starting *starting)
keir@20779	1360 {
keir@20514	1361 int rc;
keir@20594	1362 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594	1363 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514	1364 libxl_free(ctx, starting);
keir@20514	1365 return rc;
keir@20514	1366 }
keir@20462	1367
keir@20514	1368
keir@20514	1369 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779	1370 libxl_device_model_starting *starting)
keir@20779	1371 {
keir@20514	1372 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	1373 libxl_spawn_check,
keir@20594	1374 starting->for_spawn);
keir@20514	1375 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	1376 return problem ? problem : detach;
keir@20542	1377 return 0;
keir@20462	1378 }
keir@20462	1379
keir@20514	1380
keir@20462	1381 /******************************************************************************/
keir@20566	1382
keir@20462	1383 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	1384 {
keir@20462	1385 flexarray_t *front;
keir@20462	1386 flexarray_t *back;
keir@20462	1387 char *backend_type;
keir@20462	1388 unsigned int boffset = 0;
keir@20462	1389 unsigned int foffset = 0;
keir@20462	1390 int devid;
keir@20462	1391 libxl_device device;
keir@20566	1392 int major, minor;
keir@20462	1393
keir@20462	1394 front = flexarray_make(16, 1);
keir@20462	1395 if (!front)
keir@20462	1396 return ERROR_NOMEM;
keir@20462	1397 back = flexarray_make(16, 1);
keir@20462	1398 if (!back) /* leaks front if error */
keir@20462	1399 return ERROR_NOMEM;
keir@20462	1400
keir@20462	1401 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	1402 devid = device_disk_dev_number(disk->virtpath);
keir@20947	1403 if (devid==-1) {
keir@20947	1404 XL_LOG(ctx, XL_LOG_ERROR, "Invalid or unuspported"
keir@20947	1405 " virtual disk identifier %s", disk->virtpath);
keir@20947	1406 return ERROR_INVAL;
keir@20947	1407 }
keir@20462	1408
keir@20462	1409 device.backend_devid = devid;
keir@20462	1410 device.backend_domid = disk->backend_domid;
keir@20462	1411 device.devid = devid;
keir@20462	1412 device.domid = disk->domid;
keir@20462	1413 device.kind = DEVICE_VBD;
keir@20462	1414
keir@20462	1415 switch (disk->phystype) {
keir@20462	1416 case PHYSTYPE_PHY: {
keir@20462	1417
keir@20509	1418 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	1419 flexarray_set(back, boffset++, "physical-device");
keir@20462	1420 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	1421
keir@20516	1422 flexarray_set(back, boffset++, "params");
keir@20516	1423 flexarray_set(back, boffset++, disk->physpath);
keir@20462	1424
keir@20462	1425 device.backend_kind = DEVICE_VBD;
keir@20462	1426 break;
keir@20462	1427 }
keir@20566	1428 case PHYSTYPE_FILE:
keir@20566	1429 /* let's pretend is tap:aio for the moment */
keir@20566	1430 disk->phystype = PHYSTYPE_AIO;
Christoph@21889	1431 case PHYSTYPE_AIO:
Christoph@21889	1432 case PHYSTYPE_QCOW:
Christoph@21889	1433 case PHYSTYPE_QCOW2:
Christoph@21889	1434 case PHYSTYPE_VHD:
Christoph@21889	1435 if (libxl_blktap_enabled(ctx)) {
Christoph@21889	1436 const char *dev = libxl_blktap_devpath(ctx,
Christoph@21889	1437 disk->physpath, disk->phystype);
keir@21632	1438 if (!dev)
gianni@21892	1439 return ERROR_FAIL;
keir@20566	1440 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566	1441 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1442 flexarray_set(back, boffset++, "params");
Ian@21845	1443 flexarray_set(back, boffset++, libxl_strdup(ctx, dev));
keir@20566	1444 backend_type = "phy";
keir@20566	1445 device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1446 flexarray_set(back, boffset++, "physical-device");
keir@20566	1447 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566	1448 device.backend_kind = DEVICE_VBD;
keir@20566	1449
keir@20566	1450 break;
keir@20566	1451 }
keir@20516	1452 flexarray_set(back, boffset++, "params");
keir@20462	1453 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	1454 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1455
keir@20462	1456 device.backend_kind = DEVICE_TAP;
keir@20462	1457 break;
Christoph@21889	1458
keir@20846	1459 default:
keir@20846	1460 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
keir@20846	1461 return ERROR_INVAL;
keir@20462	1462 }
keir@20462	1463
keir@20516	1464 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1465 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	1466 flexarray_set(back, boffset++, "online");
keir@20516	1467 flexarray_set(back, boffset++, "1");
keir@20516	1468 flexarray_set(back, boffset++, "removable");
keir@20462	1469 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1470 flexarray_set(back, boffset++, "bootable");
keir@20509	1471 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1472 flexarray_set(back, boffset++, "state");
keir@20462	1473 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1474 flexarray_set(back, boffset++, "dev");
keir@20516	1475 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1476 flexarray_set(back, boffset++, "type");
keir@20516	1477 flexarray_set(back, boffset++, backend_type);
keir@20516	1478 flexarray_set(back, boffset++, "mode");
keir@20516	1479 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1480
keir@20516	1481 flexarray_set(front, foffset++, "backend-id");
keir@20462	1482 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	1483 flexarray_set(front, foffset++, "state");
keir@20462	1484 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1485 flexarray_set(front, foffset++, "virtual-device");
keir@20462	1486 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	1487 flexarray_set(front, foffset++, "device-type");
keir@20516	1488 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1489
keir@20462	1490 if (0 /* protocol != native*/) {
keir@20516	1491 flexarray_set(front, foffset++, "protocol");
keir@20516	1492 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1493 }
keir@20462	1494
keir@20462	1495 libxl_device_generic_add(ctx, &device,
keir@20462	1496 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1497 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1498 flexarray_free(back);
keir@20516	1499 flexarray_free(front);
keir@20462	1500 return 0;
keir@20462	1501 }
keir@20462	1502
keir@20626	1503 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626	1504 libxl_device_disk *disk, int wait)
keir@20462	1505 {
keir@20626	1506 libxl_device device;
keir@20626	1507 int devid;
keir@20462	1508
keir@20626	1509 devid = device_disk_dev_number(disk->virtpath);
keir@20626	1510 device.backend_domid = disk->backend_domid;
keir@20626	1511 device.backend_devid = devid;
keir@20626	1512 device.backend_kind =
keir@20626	1513 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	1514 device.domid = disk->domid;
keir@20626	1515 device.devid = devid;
keir@20626	1516 device.kind = DEVICE_VBD;
keir@20626	1517 return libxl_device_del(ctx, &device, wait);
keir@20462	1518 }
keir@20462	1519
Ian@21849	1520 const char * libxl_device_disk_local_attach(struct libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	1521 {
Christoph@21889	1522 const char *dev = NULL;
Ian@21849	1523 int phystype = disk->phystype;
Ian@21849	1524 switch (phystype) {
Ian@21849	1525 case PHYSTYPE_PHY: {
Ian@21849	1526 fprintf(stderr, "attaching PHY disk %s to domain 0\n", disk->physpath);
Ian@21849	1527 dev = disk->physpath;
Ian@21849	1528 break;
Ian@21849	1529 }
Ian@21849	1530 case PHYSTYPE_FILE:
Ian@21849	1531 /* let's pretend is tap:aio for the moment */
Ian@21849	1532 phystype = PHYSTYPE_AIO;
Christoph@21889	1533 case PHYSTYPE_AIO:
Christoph@21889	1534 case PHYSTYPE_QCOW:
Christoph@21889	1535 case PHYSTYPE_QCOW2:
Christoph@21889	1536 case PHYSTYPE_VHD:
Christoph@21889	1537 if (libxl_blktap_enabled(ctx))
Christoph@21889	1538 dev = libxl_blktap_devpath(ctx, disk->physpath, phystype);
Ian@21849	1539 break;
Christoph@21889	1540
Ian@21849	1541 default:
Ian@21849	1542 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", phystype);
Ian@21849	1543 break;
Ian@21849	1544 }
Ian@21849	1545 return dev;
Ian@21849	1546 }
Ian@21849	1547
Ian@21849	1548 int libxl_device_disk_local_detach(struct libxl_ctx ctx, libxl_device_disk disk)
Ian@21849	1549 {
Ian@21849	1550 /* Nothing to do for PHYSTYPE_PHY. */
Ian@21849	1551
Ian@21849	1552 /*
Ian@21849	1553 * For other device types assume that the blktap2 process is
Ian@21849	1554 * needed by the soon to be started domain and do nothing.
Ian@21849	1555 */
Ian@21849	1556
Ian@21849	1557 return 0;
Ian@21849	1558 }
Ian@21849	1559
keir@20462	1560 /******************************************************************************/
keir@20462	1561 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1562 {
keir@20462	1563 flexarray_t *front;
keir@20462	1564 flexarray_t *back;
keir@20462	1565 unsigned int boffset = 0;
keir@20462	1566 unsigned int foffset = 0;
keir@20462	1567 libxl_device device;
keir@21407	1568 char dompath, *l;
keir@21407	1569 unsigned int nb;
keir@20462	1570
keir@20462	1571 front = flexarray_make(16, 1);
keir@20462	1572 if (!front)
keir@20462	1573 return ERROR_NOMEM;
keir@20462	1574 back = flexarray_make(16, 1);
keir@20462	1575 if (!back)
keir@20462	1576 return ERROR_NOMEM;
keir@20462	1577
keir@21407	1578 if (nic->devid == -1) {
keir@21407	1579 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21407	1580 return ERROR_FAIL;
keir@21407	1581 }
keir@21407	1582 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21407	1583 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb))) {
keir@21407	1584 nic->devid = 0;
keir@21407	1585 } else {
keir@21407	1586 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407	1587 libxl_free(ctx, l);
keir@21407	1588 }
keir@21407	1589 }
keir@21407	1590
keir@20462	1591 device.backend_devid = nic->devid;
keir@20462	1592 device.backend_domid = nic->backend_domid;
keir@20462	1593 device.backend_kind = DEVICE_VIF;
keir@20462	1594 device.devid = nic->devid;
keir@20462	1595 device.domid = nic->domid;
keir@20462	1596 device.kind = DEVICE_VIF;
keir@20462	1597
keir@20516	1598 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1599 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	1600 flexarray_set(back, boffset++, "online");
keir@20516	1601 flexarray_set(back, boffset++, "1");
keir@20516	1602 flexarray_set(back, boffset++, "state");
keir@20462	1603 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1604 flexarray_set(back, boffset++, "script");
keir@20516	1605 flexarray_set(back, boffset++, nic->script);
keir@20516	1606 flexarray_set(back, boffset++, "mac");
keir@20462	1607 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1608 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1609 nic->mac[3], nic->mac[4], nic->mac[5]));
Ian@21732	1610 flexarray_set(back, boffset++, "bridge");
Ian@21845	1611 flexarray_set(back, boffset++, libxl_strdup(ctx, nic->bridge));
keir@20516	1612 flexarray_set(back, boffset++, "handle");
keir@20462	1613 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	1614
keir@20516	1615 flexarray_set(front, foffset++, "backend-id");
keir@20462	1616 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1617 flexarray_set(front, foffset++, "state");
keir@20462	1618 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1619 flexarray_set(front, foffset++, "handle");
keir@20462	1620 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1621 flexarray_set(front, foffset++, "mac");
keir@20462	1622 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1623 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1624 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1625 if (0 /* protocol != native*/) {
keir@20516	1626 flexarray_set(front, foffset++, "protocol");
keir@20516	1627 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1628 }
keir@20462	1629
keir@20462	1630 libxl_device_generic_add(ctx, &device,
keir@20462	1631 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1632 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1633
keir@20462	1634 /* FIXME: wait for plug */
keir@20516	1635 flexarray_free(back);
keir@20516	1636 flexarray_free(front);
keir@20462	1637 return 0;
keir@20462	1638 }
keir@20462	1639
keir@20626	1640 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626	1641 libxl_device_nic *nic, int wait)
keir@20462	1642 {
keir@20626	1643 libxl_device device;
keir@20462	1644
keir@20626	1645 device.backend_devid = nic->devid;
keir@20626	1646 device.backend_domid = nic->backend_domid;
keir@20626	1647 device.backend_kind = DEVICE_VIF;
keir@20626	1648 device.devid = nic->devid;
keir@20626	1649 device.domid = nic->domid;
keir@20626	1650 device.kind = DEVICE_VIF;
keir@20626	1651
keir@20626	1652 return libxl_device_del(ctx, &device, wait);
keir@20462	1653 }
keir@20462	1654
keir@21408	1655 libxl_nicinfo libxl_list_nics(struct libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21408	1656 {
keir@21408	1657 char dompath, nic_path_fe;
keir@21408	1658 char **l;
keir@21408	1659 char val, tok;
keir@21408	1660 unsigned int nb_nics, i;
keir@21408	1661 libxl_nicinfo res, nics;
keir@21408	1662
keir@21408	1663 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21408	1664 if (!dompath) {
keir@21408	1665 return NULL;
keir@21408	1666 }
keir@21408	1667 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21408	1668 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb_nics);
keir@21408	1669 if (!l) {
keir@21408	1670 return NULL;
keir@21408	1671 }
keir@21408	1672 res = libxl_calloc(ctx, nb_nics, sizeof (libxl_device_nic));
keir@21408	1673 if (!res) {
keir@21408	1674 libxl_free(ctx, l);
keir@21408	1675 return NULL;
keir@21408	1676 }
keir@21408	1677 nics = res;
keir@21408	1678 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
keir@21408	1679 nic_path_fe = libxl_sprintf(ctx, "%s/device/vif/%s", dompath, *l);
keir@21408	1680
keir@21408	1681 nics->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1682 libxl_sprintf(ctx, "%s/backend", nic_path_fe));
keir@21408	1683 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", nic_path_fe));
keir@21408	1684 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1685
keir@21408	1686 nics->devid = strtoul(*l, NULL, 10);
keir@21408	1687 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", nic_path_fe));
keir@21408	1688 nics->state = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1689 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", nic_path_fe));
keir@21408	1690 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408	1691 ++i, tok = strtok(NULL, ":")) {
keir@21408	1692 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408	1693 }
keir@21408	1694 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", nic_path_fe));
keir@21408	1695 nics->evtch = val ? strtol(val, NULL, 10) : -1;
keir@21408	1696 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/tx-ring-ref", nic_path_fe));
keir@21408	1697 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1698 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/rx-ring-ref", nic_path_fe));
keir@21408	1699 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1700 nics->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1701 libxl_sprintf(ctx, "%s/frontend", nics->backend));
keir@21408	1702 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", nics->backend));
keir@21408	1703 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1704 nics->script = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1705 libxl_sprintf(ctx, "%s/script", nics->backend));
keir@21408	1706
keir@21408	1707 libxl_free(ctx, nic_path_fe);
keir@21408	1708 }
keir@21408	1709
keir@21408	1710 libxl_free(ctx, l);
keir@21408	1711 return res;
keir@21408	1712 }
keir@21408	1713
keir@21580	1714 /******************************************************************************/
keir@21580	1715 int libxl_device_net2_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_net2 net2)
keir@21580	1716 {
keir@21580	1717 flexarray_t front, back;
keir@21580	1718 unsigned int boffset = 0, foffset = 0;
keir@21580	1719 libxl_device device;
keir@21580	1720 char dompath, dom, **l;
keir@21580	1721 unsigned int nb;
keir@21580	1722
keir@21580	1723 front = flexarray_make(16, 1);
keir@21580	1724 if (!front)
keir@21580	1725 return ERROR_NOMEM;
keir@21580	1726 back = flexarray_make(16, 1);
keir@21580	1727 if (!back)
keir@21580	1728 return ERROR_NOMEM;
keir@21580	1729
keir@21580	1730 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21580	1731 return ERROR_FAIL;
keir@21580	1732 }
keir@21580	1733 dom = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/name", dompath));
keir@21580	1734
keir@21580	1735 if (net2->devid == -1) {
keir@21580	1736 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21580	1737 libxl_sprintf(ctx, "%s/device/vif2", dompath), &nb))) {
keir@21580	1738 net2->devid = 0;
keir@21580	1739 } else {
keir@21580	1740 net2->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21580	1741 libxl_free(ctx, l);
keir@21580	1742 }
keir@21580	1743 }
keir@21580	1744
keir@21580	1745 device.backend_devid = net2->devid;
keir@21580	1746 device.backend_domid = net2->backend_domid;
keir@21580	1747 device.backend_kind = DEVICE_VIF2;
keir@21580	1748 device.devid = net2->devid;
keir@21580	1749 device.domid = net2->domid;
keir@21580	1750 device.kind = DEVICE_VIF2;
keir@21580	1751
keir@21580	1752 flexarray_set(back, boffset++, "domain");
keir@21580	1753 flexarray_set(back, boffset++, dom);
keir@21580	1754 flexarray_set(back, boffset++, "frontend-id");
keir@21580	1755 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->domid));
keir@21580	1756
keir@21580	1757 flexarray_set(back, boffset++, "local-trusted");
keir@21580	1758 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->back_trusted));
keir@21580	1759 flexarray_set(back, boffset++, "mac");
keir@21580	1760 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1761 net2->back_mac[0], net2->back_mac[1],
keir@21580	1762 net2->back_mac[2], net2->back_mac[3],
keir@21580	1763 net2->back_mac[4], net2->back_mac[5]));
keir@21580	1764
keir@21580	1765 flexarray_set(back, boffset++, "remote-trusted");
keir@21580	1766 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->trusted));
keir@21580	1767 flexarray_set(back, boffset++, "remote-mac");
keir@21580	1768 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1769 net2->front_mac[0], net2->front_mac[1],
keir@21580	1770 net2->front_mac[2], net2->front_mac[3],
keir@21580	1771 net2->front_mac[4], net2->front_mac[5]));
keir@21580	1772
keir@21580	1773 flexarray_set(back, boffset++, "max-bypasses");
keir@21580	1774 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->max_bypasses));
keir@21580	1775 flexarray_set(back, boffset++, "filter-mac");
keir@21580	1776 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", !!(net2->filter_mac)));
keir@21580	1777 flexarray_set(back, boffset++, "handle");
keir@21580	1778 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", net2->devid));
keir@21580	1779 flexarray_set(back, boffset++, "online");
keir@21580	1780 flexarray_set(back, boffset++, "1");
keir@21580	1781 flexarray_set(back, boffset++, "state");
keir@21580	1782 flexarray_set(back, boffset++, "1");
keir@21580	1783
keir@21580	1784 flexarray_set(front, foffset++, "backend-id");
keir@21580	1785 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->backend_domid));
keir@21580	1786
keir@21580	1787 flexarray_set(front, foffset++, "local-trusted");
keir@21580	1788 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->trusted));
keir@21580	1789 flexarray_set(front, foffset++, "mac");
keir@21580	1790 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1791 net2->front_mac[0], net2->front_mac[1],
keir@21580	1792 net2->front_mac[2], net2->front_mac[3],
keir@21580	1793 net2->front_mac[4], net2->front_mac[5]));
keir@21580	1794
keir@21580	1795 flexarray_set(front, foffset++, "remote-trusted");
keir@21580	1796 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", net2->back_trusted));
keir@21580	1797 flexarray_set(front, foffset++, "remote-mac");
keir@21580	1798 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@21580	1799 net2->back_mac[0], net2->back_mac[1],
keir@21580	1800 net2->back_mac[2], net2->back_mac[3],
keir@21580	1801 net2->back_mac[4], net2->back_mac[5]));
keir@21580	1802
keir@21580	1803 flexarray_set(front, foffset++, "filter-mac");
keir@21580	1804 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", !!(net2->filter_mac)));
keir@21580	1805 flexarray_set(front, foffset++, "state");
keir@21580	1806 flexarray_set(front, foffset++, "1");
keir@21580	1807
keir@21580	1808 libxl_device_generic_add(ctx, &device,
keir@21580	1809 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@21580	1810 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@21580	1811
keir@21580	1812 /* FIXME: wait for plug */
keir@21580	1813 flexarray_free(back);
keir@21580	1814 flexarray_free(front);
keir@21580	1815 return 0;
keir@21580	1816 }
keir@21408	1817
keir@21581	1818 libxl_net2info libxl_device_net2_list(struct libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21581	1819 {
keir@21581	1820 char dompath, net2_path_fe;
keir@21581	1821 char **l;
keir@21581	1822 char val, tok;
keir@21581	1823 unsigned int nb_net2s, i;
keir@21581	1824 libxl_net2info res, net2s;
keir@21581	1825
keir@21581	1826 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21581	1827 if (!dompath) {
keir@21581	1828 return NULL;
keir@21581	1829 }
keir@21581	1830 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21581	1831 libxl_sprintf(ctx, "%s/device/vif2", dompath), &nb_net2s);
keir@21581	1832 if (!l) {
keir@21581	1833 return NULL;
keir@21581	1834 }
keir@21581	1835 res = libxl_calloc(ctx, nb_net2s, sizeof (libxl_net2info));
keir@21581	1836 if (!res) {
keir@21581	1837 libxl_free(ctx, l);
keir@21581	1838 return NULL;
keir@21581	1839 }
keir@21581	1840 net2s = res;
keir@21581	1841 for (*nb = nb_net2s; nb_net2s > 0; --nb_net2s, ++l, ++net2s) {
keir@21581	1842 net2_path_fe = libxl_sprintf(ctx, "%s/device/vif2/%s", dompath, *l);
keir@21581	1843
keir@21581	1844 net2s->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21581	1845 libxl_sprintf(ctx, "%s/backend", net2_path_fe));
keir@21581	1846 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", net2_path_fe));
keir@21581	1847 net2s->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1848
keir@21581	1849 net2s->devid = strtoul(*l, NULL, 10);
keir@21581	1850 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", net2_path_fe));
keir@21581	1851 net2s->state = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1852
keir@21581	1853 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", net2_path_fe));
keir@21581	1854 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	1855 ++i, tok = strtok(NULL, ":")) {
keir@21581	1856 net2s->mac[i] = strtoul(tok, NULL, 16);
keir@21581	1857 }
keir@21581	1858 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/remote-trusted", net2_path_fe));
keir@21581	1859 net2s->trusted = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1860
keir@21581	1861 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/remote-mac", net2_path_fe));
keir@21581	1862 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21581	1863 ++i, tok = strtok(NULL, ":")) {
keir@21581	1864 net2s->back_mac[i] = strtoul(tok, NULL, 16);
keir@21581	1865 }
keir@21581	1866 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/filter-mac", net2_path_fe));
keir@21581	1867 net2s->filter_mac = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1868
keir@21581	1869 net2s->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21581	1870 libxl_sprintf(ctx, "%s/frontend", net2s->backend));
keir@21581	1871 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", net2s->backend));
keir@21581	1872 net2s->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21581	1873 libxl_free(ctx, net2_path_fe);
keir@21581	1874 }
keir@21581	1875
keir@21581	1876 libxl_free(ctx, l);
keir@21581	1877 return res;
keir@21581	1878 }
keir@21581	1879
keir@21582	1880 int libxl_device_net2_del(struct libxl_ctx ctx, libxl_device_net2 net2, int wait)
keir@21582	1881 {
keir@21582	1882 libxl_device device;
keir@21582	1883
keir@21582	1884 device.backend_devid = net2->devid;
keir@21582	1885 device.backend_domid = net2->backend_domid;
keir@21582	1886 device.backend_kind = DEVICE_VIF2;
keir@21582	1887 device.devid = net2->devid;
keir@21582	1888 device.domid = net2->domid;
keir@21582	1889 device.kind = DEVICE_VIF2;
keir@21582	1890
keir@21582	1891 return libxl_device_del(ctx, &device, wait);
keir@21582	1892 }
keir@21582	1893
keir@21581	1894
keir@20462	1895 /******************************************************************************/
keir@20509	1896 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1897 {
keir@20509	1898 flexarray_t *front;
keir@20509	1899 flexarray_t *back;
keir@20509	1900 unsigned int boffset = 0;
keir@20509	1901 unsigned int foffset = 0;
keir@20509	1902 libxl_device device;
keir@20509	1903
keir@20509	1904 if (console->build_state) {
keir@20509	1905 xs_transaction_t t;
keir@20509	1906 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1907 ents[0] = "console/port";
keir@20509	1908 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1909 ents[2] = "console/ring-ref";
keir@20509	1910 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1911 ents[4] = "console/limit";
keir@20509	1912 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1913 ents[6] = "console/type";
keir@20509	1914 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1915 ents[7] = "xenconsoled";
keir@20509	1916 else
keir@20509	1917 ents[7] = "ioemu";
keir@20509	1918 retry_transaction:
keir@20509	1919 t = xs_transaction_start(ctx->xsh);
keir@20516	1920 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1921 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1922 if (errno == EAGAIN)
keir@20509	1923 goto retry_transaction;
keir@20509	1924 }
keir@20509	1925
keir@20509	1926 front = flexarray_make(16, 1);
keir@20509	1927 if (!front)
keir@20509	1928 return ERROR_NOMEM;
keir@20509	1929 back = flexarray_make(16, 1);
keir@20509	1930 if (!back)
keir@20509	1931 return ERROR_NOMEM;
keir@20509	1932
keir@20509	1933 device.backend_devid = console->devid;
keir@20509	1934 device.backend_domid = console->backend_domid;
keir@20509	1935 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1936 device.devid = console->devid;
keir@20509	1937 device.domid = console->domid;
keir@20509	1938 device.kind = DEVICE_CONSOLE;
keir@20509	1939
keir@20516	1940 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1941 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1942 flexarray_set(back, boffset++, "online");
keir@20516	1943 flexarray_set(back, boffset++, "1");
keir@20516	1944 flexarray_set(back, boffset++, "state");
keir@20509	1945 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1946 flexarray_set(back, boffset++, "domain");
keir@20516	1947 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1948 flexarray_set(back, boffset++, "protocol");
keir@20516	1949 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1950
keir@20516	1951 flexarray_set(front, foffset++, "backend-id");
keir@20509	1952 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1953 flexarray_set(front, foffset++, "state");
keir@20509	1954 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1955 flexarray_set(front, foffset++, "limit");
keir@20509	1956 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1957 flexarray_set(front, foffset++, "protocol");
keir@20516	1958 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1959 flexarray_set(front, foffset++, "type");
keir@20509	1960 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1961 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1962 else
keir@20516	1963 flexarray_set(front, foffset++, "ioemu");
keir@20509	1964
keir@20509	1965 libxl_device_generic_add(ctx, &device,
keir@20509	1966 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1967 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1968 flexarray_free(back);
keir@20516	1969 flexarray_free(front);
keir@20509	1970
keir@20509	1971 return 0;
keir@20509	1972 }
keir@20509	1973
keir@20509	1974 /******************************************************************************/
keir@20509	1975 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1976 {
keir@20509	1977 flexarray_t *front;
keir@20509	1978 flexarray_t *back;
keir@20509	1979 unsigned int boffset = 0;
keir@20509	1980 unsigned int foffset = 0;
keir@20509	1981 libxl_device device;
keir@20509	1982
keir@20509	1983 front = flexarray_make(16, 1);
keir@20509	1984 if (!front)
keir@20509	1985 return ERROR_NOMEM;
keir@20509	1986 back = flexarray_make(16, 1);
keir@20509	1987 if (!back)
keir@20509	1988 return ERROR_NOMEM;
keir@20509	1989
keir@20509	1990 device.backend_devid = vkb->devid;
keir@20509	1991 device.backend_domid = vkb->backend_domid;
keir@20509	1992 device.backend_kind = DEVICE_VKBD;
keir@20509	1993 device.devid = vkb->devid;
keir@20509	1994 device.domid = vkb->domid;
keir@20509	1995 device.kind = DEVICE_VKBD;
keir@20509	1996
keir@20516	1997 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1998 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1999 flexarray_set(back, boffset++, "online");
keir@20516	2000 flexarray_set(back, boffset++, "1");
keir@20516	2001 flexarray_set(back, boffset++, "state");
keir@20509	2002 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2003 flexarray_set(back, boffset++, "domain");
keir@20516	2004 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	2005
keir@20516	2006 flexarray_set(front, foffset++, "backend-id");
keir@20509	2007 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	2008 flexarray_set(front, foffset++, "state");
keir@20509	2009 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	2010
keir@20509	2011 libxl_device_generic_add(ctx, &device,
keir@20509	2012 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	2013 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	2014 flexarray_free(back);
keir@20516	2015 flexarray_free(front);
keir@20509	2016
keir@20509	2017 return 0;
keir@20462	2018 }
keir@20462	2019
keir@20462	2020 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	2021 {
keir@20462	2022 return ERROR_NI;
keir@20462	2023 }
keir@20462	2024
keir@20462	2025 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	2026 {
keir@20462	2027 return ERROR_NI;
keir@20462	2028 }
keir@20462	2029
keir@20637	2030 libxl_device_disk libxl_device_disk_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20637	2031 {
keir@20637	2032 char be_path_tap, be_path_vbd;
keir@21411	2033 libxl_device_disk dend, disks, *ret = NULL;
keir@21411	2034 char b, l = NULL;
keir@20637	2035 unsigned int numl;
keir@20637	2036 char *type;
keir@20637	2037
keir@20637	2038 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	2039 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	2040
keir@21411	2041 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637	2042 if (l) {
keir@21411	2043 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411	2044 disks = ret;
keir@21411	2045 *num = numl;
keir@21411	2046 dend = ret + *num;
keir@21411	2047 for (; disks < dend; ++disks, ++l) {
keir@21411	2048 disks->backend_domid = 0;
keir@21411	2049 disks->domid = domid;
keir@21411	2050 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, *l));
keir@21411	2051 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_vbd, *l)), &(disks->phystype));
keir@21411	2052 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, *l));
keir@21411	2053 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, *l)));
keir@21411	2054 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411	2055 disks->readwrite = 1;
keir@20637	2056 else
keir@21411	2057 disks->readwrite = 0;
keir@21411	2058 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_vbd, *l))));
keir@21411	2059 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	2060 }
keir@21411	2061 libxl_free(ctx, b);
keir@20637	2062 }
keir@21411	2063 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637	2064 if (l) {
keir@21411	2065 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411	2066 disks = ret + *num;
keir@21411	2067 *num += numl;
keir@21411	2068 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411	2069 disks->backend_domid = 0;
keir@21411	2070 disks->domid = domid;
keir@21411	2071 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, *l));
keir@21411	2072 libxl_string_to_phystype(ctx, libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/type", be_path_tap, *l)), &(disks->phystype));
keir@21411	2073 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, *l));
keir@21411	2074 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, *l)));
keir@21411	2075 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411	2076 disks->readwrite = 1;
keir@20637	2077 else
keir@21411	2078 disks->readwrite = 0;
keir@21411	2079 type = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/device-type", libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/frontend", be_path_tap, *l))));
keir@21411	2080 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	2081 }
keir@21411	2082 libxl_free(ctx, b);
keir@20637	2083 }
keir@21411	2084 return ret;
keir@21411	2085 }
keir@21411	2086
keir@21411	2087 int libxl_device_disk_getinfo(struct libxl_ctx *ctx, uint32_t domid,
keir@21411	2088 libxl_device_disk disk, libxl_diskinfo diskinfo)
keir@21411	2089 {
keir@21411	2090 char dompath, diskpath;
keir@21411	2091 char *val;
keir@21411	2092
keir@21411	2093 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21411	2094 diskinfo->devid = device_disk_dev_number(disk->virtpath);
keir@21411	2095
keir@21411	2096 /* tap devices entries in xenstore are written as vbd devices. */
keir@21411	2097 diskpath = libxl_sprintf(ctx, "%s/device/vbd/%d", dompath, diskinfo->devid);
keir@21411	2098 diskinfo->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	2099 libxl_sprintf(ctx, "%s/backend", diskpath));
keir@21411	2100 if (!diskinfo->backend) {
keir@21411	2101 return ERROR_FAIL;
keir@21411	2102 }
keir@21411	2103 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", diskpath));
keir@21411	2104 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2105 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", diskpath));
keir@21411	2106 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2107 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", diskpath));
keir@21411	2108 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2109 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/ring-ref", diskpath));
keir@21411	2110 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2111 diskinfo->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	2112 libxl_sprintf(ctx, "%s/frontend", diskinfo->backend));
keir@21411	2113 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", diskinfo->backend));
keir@21411	2114 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	2115
keir@21411	2116 return 0;
keir@20637	2117 }
keir@20637	2118
keir@20637	2119 int libxl_cdrom_insert(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20637	2120 {
keir@20637	2121 int num, i;
keir@20637	2122 uint32_t stubdomid;
keir@20637	2123 libxl_device_disk *disks;
keir@20637	2124
keir@20637	2125 if (!disk->physpath) {
keir@20637	2126 disk->physpath = "";
keir@20637	2127 disk->phystype = PHYSTYPE_PHY;
keir@20637	2128 }
keir@20637	2129 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637	2130 for (i = 0; i < num; i++) {
keir@20637	2131 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637	2132 /* found */
keir@20637	2133 break;
keir@20637	2134 }
keir@20637	2135 if (i == num) {
keir@20637	2136 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
gianni@21892	2137 return ERROR_FAIL;
keir@20637	2138 }
keir@20637	2139 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637	2140 libxl_device_disk_add(ctx, domid, disk);
keir@20637	2141 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637	2142 if (stubdomid) {
keir@20781	2143 disks[i].domid = stubdomid;
keir@20637	2144 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781	2145 disk->domid = stubdomid;
keir@20637	2146 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781	2147 disk->domid = domid;
keir@20637	2148 }
keir@20637	2149 return 0;
keir@20637	2150 }
keir@20637	2151
keir@20462	2152 /******************************************************************************/
keir@20509	2153 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	2154 libxl_device_vfb *vfb,
keir@20509	2155 int num_console,
keir@20509	2156 libxl_device_console *console,
keir@20860	2157 libxl_device_model_info *info)
keir@20860	2158 {
keir@20509	2159 int i = 0, j = 0, num = 0;
keir@20509	2160 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	2161
keir@20509	2162 info->vnc = vfb->vnc;
keir@20509	2163 if (vfb->vnclisten)
Ian@21845	2164 info->vnclisten = libxl_strdup(ctx, vfb->vnclisten);
keir@20509	2165 info->vncdisplay = vfb->vncdisplay;
keir@20509	2166 info->vncunused = vfb->vncunused;
keir@21362	2167 if (vfb->vncpasswd)
keir@21362	2168 info->vncpasswd = vfb->vncpasswd;
keir@20509	2169 if (vfb->keymap)
Ian@21845	2170 info->keymap = libxl_strdup(ctx, vfb->keymap);
keir@20509	2171 info->sdl = vfb->sdl;
keir@20509	2172 info->opengl = vfb->opengl;
keir@20509	2173 for (i = 0; i < num_console; i++) {
keir@20509	2174 if (console->constype == CONSTYPE_IOEMU)
keir@20509	2175 num++;
keir@20509	2176 }
keir@20509	2177 if (num > 0) {
keir@20860	2178 uint32_t guest_domid;
keir@20860	2179 if (libxl_is_stubdom(ctx, vfb->domid, &guest_domid)) {
keir@20599	2180 char *filename;
keir@20599	2181 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599	2182 libxl_create_logfile(ctx, name, &filename);
keir@20599	2183 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599	2184 free(filename);
keir@20599	2185 } else {
keir@20599	2186 info->serial = "pty";
keir@20599	2187 }
keir@20509	2188 num--;
keir@20509	2189 }
keir@20509	2190 if (num > 0) {
keir@20509	2191 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	2192 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	2193 info->extra[j] = "-serial";
keir@20509	2194 info->extra[j + 1] = "pty";
keir@20509	2195 }
keir@20509	2196 info->extra[j] = NULL;
keir@20509	2197 }
keir@20509	2198 info->domid = vfb->domid;
keir@20509	2199 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@21376	2200 info->device_model = libxl_abs_path(ctx, "qemu-dm", libxl_libexec_path());
keir@20509	2201 info->type = XENPV;
keir@20509	2202 return 0;
keir@20509	2203 }
keir@20509	2204
keir@20509	2205 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	2206 int num_console, libxl_device_console *console,
keir@20514	2207 struct libxl_device_model_starting **starting_r)
keir@20509	2208 {
keir@20509	2209 libxl_device_model_info info;
keir@20509	2210
keir@20509	2211 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	2212 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	2213 return 0;
keir@20509	2214 }
keir@20509	2215
keir@20509	2216 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	2217 {
keir@20509	2218 flexarray_t *front;
keir@20509	2219 flexarray_t *back;
keir@20509	2220 unsigned int boffset = 0;
keir@20509	2221 unsigned int foffset = 0;
keir@20509	2222 libxl_device device;
keir@20509	2223
keir@20509	2224 front = flexarray_make(16, 1);
keir@20509	2225 if (!front)
keir@20509	2226 return ERROR_NOMEM;
keir@20509	2227 back = flexarray_make(16, 1);
keir@20509	2228 if (!back)
keir@20509	2229 return ERROR_NOMEM;
keir@20509	2230
keir@20509	2231 device.backend_devid = vfb->devid;
keir@20509	2232 device.backend_domid = vfb->backend_domid;
keir@20509	2233 device.backend_kind = DEVICE_VFB;
keir@20509	2234 device.devid = vfb->devid;
keir@20509	2235 device.domid = vfb->domid;
keir@20509	2236 device.kind = DEVICE_VFB;
keir@20509	2237
keir@20516	2238 flexarray_set(back, boffset++, "frontend-id");
keir@20509	2239 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	2240 flexarray_set(back, boffset++, "online");
keir@20516	2241 flexarray_set(back, boffset++, "1");
keir@20516	2242 flexarray_set(back, boffset++, "state");
keir@20509	2243 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2244 flexarray_set(back, boffset++, "domain");
keir@20516	2245 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	2246 flexarray_set(back, boffset++, "vnc");
keir@20509	2247 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	2248 flexarray_set(back, boffset++, "vnclisten");
keir@20516	2249 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362	2250 flexarray_set(back, boffset++, "vncpasswd");
keir@21362	2251 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516	2252 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	2253 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	2254 flexarray_set(back, boffset++, "vncunused");
keir@20509	2255 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	2256 flexarray_set(back, boffset++, "sdl");
keir@20509	2257 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	2258 flexarray_set(back, boffset++, "opengl");
keir@20509	2259 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	2260 if (vfb->xauthority) {
keir@20516	2261 flexarray_set(back, boffset++, "xauthority");
keir@20516	2262 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	2263 }
keir@20509	2264 if (vfb->display) {
keir@20516	2265 flexarray_set(back, boffset++, "display");
keir@20516	2266 flexarray_set(back, boffset++, vfb->display);
keir@20509	2267 }
keir@20509	2268
keir@20516	2269 flexarray_set(front, foffset++, "backend-id");
keir@20509	2270 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	2271 flexarray_set(front, foffset++, "state");
keir@20509	2272 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	2273
keir@20509	2274 libxl_device_generic_add(ctx, &device,
keir@20509	2275 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	2276 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	2277 flexarray_free(front);
keir@20509	2278 flexarray_free(back);
keir@20509	2279
keir@20509	2280 return 0;
keir@20462	2281 }
keir@20462	2282
keir@20462	2283 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	2284 {
keir@20462	2285 return ERROR_NI;
keir@20462	2286 }
keir@20462	2287
keir@20462	2288 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	2289 {
keir@20462	2290 return ERROR_NI;
keir@20462	2291 }
keir@20462	2292
keir@20462	2293 /******************************************************************************/
keir@20482	2294
keir@20482	2295 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	2296 unsigned int bus, unsigned int dev,
keir@20482	2297 unsigned int func, unsigned int vdevfn)
keir@20482	2298 {
keir@20482	2299 pcidev->domain = domain;
keir@20482	2300 pcidev->bus = bus;
keir@20482	2301 pcidev->dev = dev;
keir@20482	2302 pcidev->func = func;
keir@20482	2303 pcidev->vdevfn = vdevfn;
keir@20482	2304 return 0;
keir@20482	2305 }
keir@20482	2306
keir@20482	2307 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	2308 {
keir@20482	2309 flexarray_t *front;
keir@20482	2310 flexarray_t *back;
keir@20482	2311 unsigned int boffset = 0;
keir@20482	2312 unsigned int foffset = 0;
keir@20482	2313 libxl_device device;
keir@20482	2314 int i;
keir@20482	2315
keir@20482	2316 front = flexarray_make(16, 1);
keir@20482	2317 if (!front)
keir@20482	2318 return ERROR_NOMEM;
keir@20482	2319 back = flexarray_make(16, 1);
keir@20482	2320 if (!back)
keir@20482	2321 return ERROR_NOMEM;
keir@20482	2322
keir@20512	2323 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	2324
keir@20482	2325 /* add pci device */
keir@20482	2326 device.backend_devid = 0;
keir@20482	2327 device.backend_domid = 0;
keir@20482	2328 device.backend_kind = DEVICE_PCI;
keir@20482	2329 device.devid = 0;
keir@20482	2330 device.domid = domid;
keir@20482	2331 device.kind = DEVICE_PCI;
keir@20482	2332
keir@20516	2333 flexarray_set(back, boffset++, "frontend-id");
keir@20482	2334 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	2335 flexarray_set(back, boffset++, "online");
keir@20516	2336 flexarray_set(back, boffset++, "1");
keir@20516	2337 flexarray_set(back, boffset++, "state");
keir@20482	2338 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2339 flexarray_set(back, boffset++, "domain");
keir@20516	2340 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	2341 for (i = 0; i < num; i++) {
keir@20482	2342 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	2343 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2344 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	2345 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2346 if (pcidev->vdevfn) {
keir@20482	2347 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	2348 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2349 }
keir@20482	2350 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	2351 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2352 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	2353 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2354 }
keir@20516	2355 flexarray_set(back, boffset++, "num_devs");
keir@20482	2356 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	2357
keir@20516	2358 flexarray_set(front, foffset++, "backend-id");
keir@20482	2359 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	2360 flexarray_set(front, foffset++, "state");
keir@20482	2361 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2362
keir@20482	2363 libxl_device_generic_add(ctx, &device,
keir@20482	2364 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	2365 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	2366
keir@20482	2367 flexarray_free(back);
keir@20482	2368 flexarray_free(front);
keir@20482	2369 return 0;
keir@20482	2370 }
keir@20482	2371
keir@20482	2372 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2373 {
keir@20482	2374 flexarray_t *back;
keir@20482	2375 char num_devs, be_path;
keir@20482	2376 int num = 0;
keir@20482	2377 unsigned int boffset = 0;
keir@20482	2378 xs_transaction_t t;
keir@20482	2379
keir@20516	2380 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2381 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2382 if (!num_devs)
keir@20482	2383 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	2384
keir@20482	2385 if (!is_hvm(ctx, domid)) {
keir@20482	2386 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
gianni@21892	2387 return ERROR_FAIL;
keir@20482	2388 }
keir@20482	2389
keir@20482	2390 back = flexarray_make(16, 1);
keir@20482	2391 if (!back)
keir@20482	2392 return ERROR_NOMEM;
keir@20482	2393
keir@20512	2394 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	2395 num = atoi(num_devs);
keir@20482	2396 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	2397 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2398 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	2399 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2400 if (pcidev->vdevfn) {
keir@20482	2401 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	2402 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2403 }
keir@20482	2404 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	2405 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2406 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	2407 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2408 flexarray_set(back, boffset++, "num_devs");
keir@20482	2409 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	2410 flexarray_set(back, boffset++, "state");
keir@20482	2411 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	2412
keir@20482	2413 retry_transaction:
keir@20482	2414 t = xs_transaction_start(ctx->xsh);
keir@20482	2415 libxl_xs_writev(ctx, t, be_path,
keir@20482	2416 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	2417 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2418 if (errno == EAGAIN)
keir@20482	2419 goto retry_transaction;
keir@20482	2420
keir@20482	2421 flexarray_free(back);
keir@20482	2422 return 0;
keir@20482	2423 }
keir@20482	2424
keir@20482	2425 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	2426 {
keir@20542	2427 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	2428 int num, i, j;
keir@20482	2429 xs_transaction_t t;
keir@20482	2430 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	2431
keir@20516	2432 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2433 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	2434 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	2435 if (!num_devs)
gianni@21892	2436 return ERROR_INVAL;
keir@20482	2437 num = atoi(num_devs);
keir@20482	2438
keir@20482	2439 if (!is_hvm(ctx, domid)) {
keir@20482	2440 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2441 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
gianni@21892	2442 return ERROR_FAIL;
keir@20482	2443 }
keir@20482	2444 }
keir@20482	2445
keir@20482	2446 for (i = 0; i < num; i++) {
keir@20482	2447 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2448 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2449 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	2450 pcidev->dev == dev && pcidev->func == func) {
keir@20482	2451 break;
keir@20482	2452 }
keir@20482	2453 }
keir@20482	2454 if (i == num) {
keir@20512	2455 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
gianni@21892	2456 return ERROR_INVAL;
keir@20482	2457 }
keir@20482	2458
keir@20482	2459 retry_transaction:
keir@20482	2460 t = xs_transaction_start(ctx->xsh);
keir@20542	2461 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	2462 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	2463 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2464 if (errno == EAGAIN)
keir@20482	2465 goto retry_transaction;
keir@20542	2466
keir@20542	2467 if (!is_hvm(ctx, domid)) {
keir@20542	2468 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2469 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
gianni@21892	2470 return ERROR_FAIL;
keir@20542	2471 }
keir@20542	2472 }
keir@20542	2473
keir@20542	2474 retry_transaction2:
keir@20542	2475 t = xs_transaction_start(ctx->xsh);
keir@20542	2476 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	2477 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	2478 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	2479 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	2480 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	2481 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	2482 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	2483 for (j = i + 1; j < num; j++) {
keir@20542	2484 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	2485 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2486 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2487 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2488 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	2489 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2490 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2491 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2492 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	2493 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2494 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2495 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2496 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	2497 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2498 if (tmp) {
keir@20542	2499 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2500 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2501 }
keir@20542	2502 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	2503 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2504 if (tmp) {
keir@20542	2505 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2506 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2507 }
keir@20542	2508 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	2509 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2510 if (tmp) {
keir@20542	2511 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2512 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2513 }
keir@20542	2514 }
keir@20542	2515 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	2516 if (errno == EAGAIN)
keir@20542	2517 goto retry_transaction2;
keir@20542	2518
keir@20542	2519 if (num == 1) {
keir@20542	2520 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	2521 libxl_device_destroy(ctx, be_path, 1);
keir@20542	2522 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	2523 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	2524 return 0;
keir@20542	2525 }
keir@20542	2526
keir@20482	2527 return 0;
keir@20462	2528 }
keir@20462	2529
keir@20482	2530 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2531 {
keir@20779	2532 char *path;
keir@20482	2533 char state, vdevfn;
keir@20482	2534 int rc, hvm;
keir@20542	2535 int stubdomid = 0;
keir@20482	2536
keir@20482	2537 /* TODO: check if the device can be assigned */
keir@20482	2538
Ian@21711	2539 libxl_device_pci_reset(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2540
keir@20779	2541 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2542 if (stubdomid != 0) {
keir@20542	2543 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2544 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	2545 }
keir@20542	2546
keir@20482	2547 hvm = is_hvm(ctx, domid);
keir@20482	2548 if (hvm) {
keir@20831	2549 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
gianni@21892	2550 return ERROR_FAIL;
keir@20482	2551 }
keir@20779	2552 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2553 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2554 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2555 if (pcidev->vdevfn)
keir@20482	2556 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	2557 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	2558 else
keir@20482	2559 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2560 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2561 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2562 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20831	2563 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", NULL, NULL) < 0)
keir@20512	2564 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779	2565 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2566 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	2567 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779	2568 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2569 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2570 } else {
keir@20542	2571 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2572 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2573 FILE *f = fopen(sysfs_path, "r");
keir@21517	2574 unsigned long long start = 0, end = 0, flags = 0, size = 0;
keir@20482	2575 int irq = 0;
keir@20482	2576 int i;
keir@20482	2577
keir@20482	2578 if (f == NULL) {
keir@20512	2579 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
gianni@21892	2580 return ERROR_FAIL;
keir@20482	2581 }
keir@20482	2582 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@21517	2583 if (fscanf(f, "0x%llx 0x%llx 0x%llx\n", &start, &end, &flags) != 3)
keir@21466	2584 continue;
keir@20482	2585 size = end - start + 1;
keir@20482	2586 if (start) {
keir@20482	2587 if (flags & PCI_BAR_IO) {
keir@20482	2588 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
gianni@21892	2589 if (rc < 0) {
keir@21517	2590 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%llx/0x%llx", start, size);
gianni@21892	2591 fclose(f);
gianni@21892	2592 return ERROR_FAIL;
gianni@21892	2593 }
keir@20482	2594 } else {
keir@20482	2595 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2596 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
gianni@21892	2597 if (rc < 0) {
keir@21537	2598 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%llx/0x%llx", start, size);
gianni@21892	2599 fclose(f);
gianni@21892	2600 return ERROR_FAIL;
gianni@21892	2601 }
keir@20482	2602 }
keir@20482	2603 }
keir@20482	2604 }
keir@20482	2605 fclose(f);
keir@20542	2606 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2607 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2608 f = fopen(sysfs_path, "r");
keir@20482	2609 if (f == NULL) {
keir@20512	2610 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2611 goto out;
keir@20482	2612 }
keir@21466	2613 if ((fscanf(f, "%u", &irq) == 1) && irq) {
keir@20482	2614 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	2615 if (rc < 0) {
keir@20512	2616 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
gianni@21892	2617 fclose(f);
gianni@21892	2618 return ERROR_FAIL;
keir@20482	2619 }
keir@20482	2620 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	2621 if (rc < 0) {
keir@20512	2622 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
gianni@21892	2623 fclose(f);
gianni@21892	2624 return ERROR_FAIL;
keir@20482	2625 }
keir@20482	2626 }
keir@20482	2627 fclose(f);
keir@20482	2628 }
keir@20482	2629 out:
keir@20860	2630 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2631 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
gianni@21892	2632 if (rc < 0) {
keir@20542	2633 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
gianni@21892	2634 return ERROR_FAIL;
gianni@21892	2635 }
keir@20542	2636 }
keir@20482	2637
keir@20482	2638 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	2639 return 0;
keir@20462	2640 }
keir@20462	2641
keir@20482	2642 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2643 {
keir@20779	2644 char *path;
keir@20482	2645 char *state;
keir@20482	2646 int hvm, rc;
keir@20542	2647 int stubdomid = 0;
keir@20482	2648
keir@20482	2649 /* TODO: check if the device can be detached */
keir@20542	2650 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	2651
keir@20482	2652 hvm = is_hvm(ctx, domid);
keir@20482	2653 if (hvm) {
keir@20831	2654 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
gianni@21892	2655 return ERROR_FAIL;
keir@20482	2656 }
keir@20779	2657 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2658 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2659 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2660 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2661 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2662 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2663 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20831	2664 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
keir@20512	2665 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
gianni@21892	2666 return ERROR_FAIL;
keir@20482	2667 }
keir@20779	2668 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2669 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2670 } else {
keir@20542	2671 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2672 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2673 FILE *f = fopen(sysfs_path, "r");
keir@20482	2674 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	2675 int irq = 0;
keir@20482	2676 int i;
keir@20482	2677
keir@20482	2678 if (f == NULL) {
keir@20512	2679 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2680 goto skip1;
keir@20482	2681 }
keir@20482	2682 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@21466	2683 if (fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags) != 3)
keir@21466	2684 continue;
keir@20482	2685 size = end - start + 1;
keir@20482	2686 if (start) {
keir@20482	2687 if (flags & PCI_BAR_IO) {
keir@20482	2688 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	2689 if (rc < 0)
keir@20512	2690 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	2691 } else {
keir@20482	2692 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2693 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	2694 if (rc < 0)
keir@20512	2695 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	2696 }
keir@20482	2697 }
keir@20482	2698 }
keir@20482	2699 fclose(f);
keir@20482	2700 skip1:
keir@20542	2701 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2702 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2703 f = fopen(sysfs_path, "r");
keir@20482	2704 if (f == NULL) {
keir@20512	2705 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2706 goto out;
keir@20482	2707 }
keir@21466	2708 if ((fscanf(f, "%u", &irq) == 1) && irq) {
keir@20482	2709 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	2710 if (rc < 0) {
keir@20512	2711 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	2712 }
keir@20482	2713 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	2714 if (rc < 0) {
keir@20512	2715 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	2716 }
keir@20482	2717 }
keir@20482	2718 fclose(f);
keir@20482	2719 }
keir@20482	2720 out:
Ian@21711	2721 libxl_device_pci_reset(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2722
keir@20860	2723 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2724 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779	2725 if (rc < 0)
keir@20542	2726 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	2727 }
keir@20542	2728
keir@20779	2729 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2730 if (stubdomid != 0) {
keir@20542	2731 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2732 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	2733 }
keir@20542	2734
keir@20482	2735 return 0;
keir@20462	2736 }
keir@20482	2737
keir@20482	2738 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	2739 {
keir@20482	2740 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	2741 int n, i;
keir@20482	2742 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	2743 libxl_device_pci *pcidevs;
keir@20482	2744
keir@20516	2745 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2746 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2747 if (!num_devs) {
keir@20482	2748 *num = 0;
keir@20482	2749 return NULL;
keir@20482	2750 }
keir@20482	2751 n = atoi(num_devs);
keir@20779	2752 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482	2753 *num = n;
keir@20482	2754
keir@20482	2755 for (i = 0; i < n; i++) {
keir@20482	2756 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2757 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2758 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	2759 if (xsvdevfn)
keir@20482	2760 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	2761 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	2762 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	2763 if (xsopts) {
keir@20482	2764 char *saveptr;
keir@20482	2765 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	2766 do {
keir@20482	2767 while (*p == ' ')
keir@20482	2768 p++;
keir@20482	2769 if (!strcmp(p, "msitranslate")) {
keir@20482	2770 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2771 pcidevs[i].msitranslate = atoi(p);
keir@20482	2772 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	2773 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2774 pcidevs[i].power_mgmt = atoi(p);
keir@20482	2775 }
keir@20482	2776 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	2777 }
keir@20482	2778 }
keir@20482	2779 return pcidevs;
keir@20482	2780 }
keir@20482	2781
keir@20482	2782 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	2783 {
keir@20482	2784 libxl_device_pci *pcidevs;
keir@20482	2785 int num, i;
keir@20482	2786
keir@20482	2787 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	2788 for (i = 0; i < num; i++) {
keir@20482	2789 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
gianni@21892	2790 return ERROR_FAIL;
keir@20482	2791 }
keir@20516	2792 free(pcidevs);
keir@20482	2793 return 0;
keir@20482	2794 }
keir@20482	2795
keir@21404	2796 int libxl_domain_setmaxmem(struct libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404	2797 {
keir@21404	2798 char mem, endptr;
keir@21404	2799 uint32_t memorykb;
keir@21404	2800 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21404	2801
keir@21404	2802 mem = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath));
keir@21404	2803 if (!mem) {
keir@21404	2804 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
keir@21404	2805 return 1;
keir@21404	2806 }
keir@21404	2807 memorykb = strtoul(mem, &endptr, 10);
keir@21404	2808 if (*endptr != '\0') {
keir@21404	2809 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
keir@21404	2810 return 1;
keir@21404	2811 }
keir@21404	2812
keir@21404	2813 if (max_memkb < memorykb) {
keir@21404	2814 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
keir@21404	2815 return 1;
keir@21404	2816 }
keir@21404	2817
keir@21404	2818 if (domid != 0)
Ian@21844	2819 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath), "%"PRIu32, max_memkb);
keir@21404	2820
keir@21422	2821 return 0;
keir@21404	2822 }
keir@21404	2823
keir@21422	2824 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb, int enforce)
keir@20647	2825 {
keir@20647	2826 int rc = 0;
keir@21422	2827 uint32_t memorykb = 0, videoram = 0;
keir@21405	2828 char memmax, endptr, *videoram_s = NULL;
keir@20647	2829 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21374	2830 xc_domaininfo_t info;
keir@21374	2831 struct libxl_dominfo ptr;
keir@21374	2832 char *uuid;
keir@20542	2833
keir@21405	2834 if (domid) {
keir@21405	2835 memmax = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath));
keir@21405	2836 if (!memmax) {
keir@21405	2837 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2838 "cannot get memory info from %s/memory/static-max\n", dompath);
keir@21405	2839 return 1;
keir@21405	2840 }
keir@21405	2841 memorykb = strtoul(memmax, &endptr, 10);
keir@21405	2842 if (*endptr != '\0') {
keir@21405	2843 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2844 "invalid max memory %s from %s/memory/static-max\n", memmax, dompath);
keir@21405	2845 return 1;
keir@21405	2846 }
keir@21405	2847
keir@21405	2848 if (target_memkb > memorykb) {
keir@21504	2849 XL_LOG(ctx, XL_LOG_ERROR,
keir@21405	2850 "memory_dynamic_max must be less than or equal to memory_static_max\n");
keir@21405	2851 return 1;
keir@21405	2852 }
keir@21405	2853 }
keir@21405	2854
keir@20647	2855 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@21314	2856 videoram = videoram_s ? atoi(videoram_s) : 0;
keir@20647	2857
Ian@21844	2858 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%"PRIu32, target_memkb);
keir@21374	2859
keir@21374	2860 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
keir@21374	2861 if (rc != 1 \|\| info.domain != domid)
keir@21374	2862 return rc;
keir@21374	2863 xcinfo2xlinfo(&info, &ptr);
keir@21374	2864 uuid = libxl_uuid2string(ctx, ptr.uuid);
Ian@21844	2865 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/vm/%s/memory", uuid), "%"PRIu32, target_memkb / 1024);
keir@21374	2866
keir@21422	2867 if (enforce \|\| !domid)
keir@21422	2868 memorykb = target_memkb;
keir@21422	2869 rc = xc_domain_setmaxmem(ctx->xch, domid, memorykb + LIBXL_MAXMEM_CONSTANT);
keir@21422	2870 if (rc != 0)
keir@21422	2871 return rc;
keir@20647	2872 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647	2873 return rc;
keir@20647	2874 }
keir@20875	2875
keir@20875	2876 int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875	2877 {
keir@20875	2878 int rc = -1;
keir@20875	2879
keir@20875	2880 switch (button) {
keir@20875	2881 case POWER_BUTTON:
keir@20875	2882 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875	2883 break;
keir@20875	2884 case SLEEP_BUTTON:
keir@20875	2885 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875	2886 break;
keir@20875	2887 default:
keir@20875	2888 break;
keir@20875	2889 }
keir@20875	2890
keir@20875	2891 return rc;
keir@20875	2892 }
keir@21141	2893
keir@21141	2894 int libxl_get_physinfo(struct libxl_ctx ctx, struct libxl_physinfo physinfo)
keir@21141	2895 {
keir@21141	2896 xc_physinfo_t xcphysinfo = { 0 };
keir@21141	2897 int rc;
keir@21141	2898
keir@21141	2899 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141	2900 if (rc != 0) {
gianni@21892	2901 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting physinfo");
gianni@21892	2902 return ERROR_FAIL;
keir@21141	2903 }
keir@21141	2904 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141	2905 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142	2906 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141	2907 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141	2908 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141	2909 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141	2910 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141	2911 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264	2912 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264	2913 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264	2914 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264	2915
keir@21141	2916 return 0;
keir@21141	2917 }
keir@21141	2918
keir@21266	2919 const libxl_version_info* libxl_get_version_info(struct libxl_ctx *ctx)
keir@21266	2920 {
keir@21266	2921 union {
keir@21266	2922 xen_extraversion_t xen_extra;
keir@21266	2923 xen_compile_info_t xen_cc;
keir@21266	2924 xen_changeset_info_t xen_chgset;
keir@21266	2925 xen_capabilities_info_t xen_caps;
keir@21266	2926 xen_platform_parameters_t p_parms;
keir@21266	2927 xen_commandline_t xen_commandline;
keir@21266	2928 } u;
keir@21266	2929 long xen_version;
keir@21266	2930 libxl_version_info *info = &ctx->version_info;
keir@21266	2931
keir@21266	2932 if (info->xen_version_extra != NULL)
keir@21266	2933 return info;
keir@21266	2934
keir@21266	2935 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266	2936 info->xen_version_major = xen_version >> 16;
keir@21266	2937 info->xen_version_minor = xen_version & 0xFF;
keir@21266	2938 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
Ian@21845	2939 info->xen_version_extra = libxl_strdup(ctx, u.xen_extra);
keir@21266	2940
keir@21266	2941 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
Ian@21845	2942 info->compiler = libxl_strdup(ctx, u.xen_cc.compiler);
Ian@21845	2943 info->compile_by = libxl_strdup(ctx, u.xen_cc.compile_by);
Ian@21845	2944 info->compile_domain = libxl_strdup(ctx, u.xen_cc.compile_domain);
Ian@21845	2945 info->compile_date = libxl_strdup(ctx, u.xen_cc.compile_date);
keir@21266	2946
keir@21266	2947 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
Ian@21845	2948 info->capabilities = libxl_strdup(ctx, u.xen_caps);
keir@21266	2949
keir@21266	2950 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
Ian@21845	2951 info->changeset = libxl_strdup(ctx, u.xen_chgset);
keir@21266	2952
keir@21266	2953 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266	2954 info->virt_start = u.p_parms.virt_start;
keir@21266	2955
keir@21266	2956 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266	2957
keir@21266	2958 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
Ian@21845	2959 info->commandline = libxl_strdup(ctx, u.xen_commandline);
keir@21266	2960
keir@21266	2961 return info;
keir@21266	2962 }
keir@21266	2963
keir@21141	2964 struct libxl_vcpuinfo libxl_list_vcpu(struct libxl_ctx ctx, uint32_t domid,
keir@21141	2965 int nb_vcpu, int cpusize)
keir@21141	2966 {
keir@21141	2967 struct libxl_vcpuinfo ptr, ret;
keir@21141	2968 xc_domaininfo_t domaininfo;
keir@21141	2969 xc_vcpuinfo_t vcpuinfo;
keir@21141	2970 xc_physinfo_t physinfo = { 0 };
keir@21141	2971
keir@21141	2972 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
gianni@21892	2973 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting infolist");
keir@21141	2974 return NULL;
keir@21141	2975 }
keir@21141	2976 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
gianni@21892	2977 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting physinfo");
keir@21141	2978 return NULL;
keir@21141	2979 }
keir@21141	2980 *cpusize = physinfo.max_cpu_id + 1;
keir@21141	2981 ptr = libxl_calloc(ctx, domaininfo.max_vcpu_id + 1, sizeof (struct libxl_vcpuinfo));
keir@21141	2982 if (!ptr) {
keir@21141	2983 return NULL;
keir@21141	2984 }
keir@21141	2985
keir@21141	2986 ret = ptr;
keir@21141	2987 for (nb_vcpu = 0; nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
keir@21141	2988 ptr->cpumap = libxl_calloc(ctx, (*cpusize + 63) / 64, sizeof (uint64_t));
keir@21141	2989 if (!ptr->cpumap) {
keir@21141	2990 return NULL;
keir@21141	2991 }
keir@21141	2992 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
gianni@21892	2993 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting vcpu info");
keir@21141	2994 return NULL;
keir@21141	2995 }
keir@21141	2996 if (xc_vcpu_getaffinity(ctx->xch, domid, nb_vcpu, ptr->cpumap, cpusize) == -1) {
gianni@21892	2997 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting vcpu affinity");
keir@21141	2998 return NULL;
keir@21141	2999 }
keir@21141	3000 ptr->vcpuid = *nb_vcpu;
keir@21141	3001 ptr->cpu = vcpuinfo.cpu;
keir@21141	3002 ptr->online = !!vcpuinfo.online;
keir@21141	3003 ptr->blocked = !!vcpuinfo.blocked;
keir@21141	3004 ptr->running = !!vcpuinfo.running;
keir@21141	3005 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141	3006 }
keir@21141	3007 return ret;
keir@21141	3008 }
keir@21142	3009
keir@21142	3010 int libxl_set_vcpuaffinity(struct libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
keir@21142	3011 uint64_t *cpumap, int cpusize)
keir@21142	3012 {
gianni@21892	3013 if (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, cpusize)) {
gianni@21892	3014 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "setting vcpu affinity");
gianni@21892	3015 return ERROR_FAIL;
gianni@21892	3016 }
gianni@21892	3017 return 0;
keir@21142	3018 }
keir@21143	3019
keir@21143	3020 int libxl_set_vcpucount(struct libxl_ctx *ctx, uint32_t domid, uint32_t count)
keir@21143	3021 {
keir@21143	3022 xc_domaininfo_t domaininfo;
keir@21143	3023 char *dompath;
keir@21143	3024 int i;
keir@21143	3025
keir@21143	3026 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
gianni@21892	3027 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting domain info list");
keir@21143	3028 return ERROR_FAIL;
keir@21143	3029 }
keir@21143	3030 if (!count \|\| ((domaininfo.max_vcpu_id + 1) < count)) {
keir@21143	3031 return ERROR_INVAL;
keir@21143	3032 }
keir@21143	3033 if (!(dompath = libxl_xs_get_dompath(ctx, domid)))
keir@21143	3034 return ERROR_FAIL;
keir@21143	3035
keir@21143	3036 for (i = 0; i <= domaininfo.max_vcpu_id; ++i) {
keir@21143	3037 libxl_xs_write(ctx, XBT_NULL,
keir@21143	3038 libxl_sprintf(ctx, "%s/cpu/%u/availability", dompath, i),
keir@21143	3039 "%s", ((1 << i) & ((1 << count) - 1)) ? "online" : "offline");
keir@21143	3040 }
keir@21143	3041 return 0;
keir@21143	3042 }
keir@21265	3043
keir@21265	3044 /*
keir@21265	3045 * returns one of the XEN_SCHEDULER_* constants from public/domctl.h
keir@21265	3046 */
keir@21265	3047 int libxl_get_sched_id(struct libxl_ctx *ctx)
keir@21265	3048 {
keir@21265	3049 int sched, ret;
keir@21265	3050
gianni@21892	3051 if ((ret = xc_sched_id(ctx->xch, &sched)) != 0) {
gianni@21892	3052 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting domain info list");
gianni@21892	3053 return ERROR_FAIL;
gianni@21892	3054 }
keir@21265	3055 return sched;
keir@21265	3056 }
keir@21292	3057
keir@21292	3058 int libxl_sched_credit_domain_get(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	3059 {
keir@21292	3060 struct xen_domctl_sched_credit sdom;
keir@21292	3061 int rc;
keir@21292	3062
keir@21292	3063 rc = xc_sched_credit_domain_get(ctx->xch, domid, &sdom);
gianni@21892	3064 if (rc != 0) {
gianni@21892	3065 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "setting domain sched credit");
gianni@21892	3066 return ERROR_FAIL;
gianni@21892	3067 }
keir@21292	3068
keir@21292	3069 scinfo->weight = sdom.weight;
keir@21292	3070 scinfo->cap = sdom.cap;
keir@21292	3071
keir@21292	3072 return 0;
keir@21292	3073 }
keir@21292	3074
keir@21292	3075 int libxl_sched_credit_domain_set(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	3076 {
keir@21292	3077 struct xen_domctl_sched_credit sdom;
keir@21292	3078 xc_domaininfo_t domaininfo;
keir@21292	3079 int rc;
keir@21292	3080
keir@21292	3081 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo);
gianni@21892	3082 if (rc < 0) {
gianni@21892	3083 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "getting domain info list");
gianni@21892	3084 return ERROR_FAIL;
gianni@21892	3085 }
keir@21292	3086 if (rc != 1 \|\| domaininfo.domain != domid)
gianni@21892	3087 return ERROR_INVAL;
keir@21292	3088
keir@21292	3089
keir@21292	3090 if (scinfo->weight < 1 \|\| scinfo->weight > 65535) {
keir@21292	3091 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	3092 "Cpu weight out of range, valid values are within range from 1 to 65535");
gianni@21892	3093 return ERROR_INVAL;
keir@21292	3094 }
keir@21292	3095
keir@21292	3096 if (scinfo->cap < 0 \|\| scinfo->cap > (domaininfo.max_vcpu_id + 1) * 100) {
keir@21292	3097 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	3098 "Cpu cap out of range, valid range is from 0 to %d for specified number of vcpus",
keir@21292	3099 ((domaininfo.max_vcpu_id + 1) * 100));
gianni@21892	3100 return ERROR_INVAL;
keir@21292	3101 }
keir@21292	3102
keir@21292	3103 sdom.weight = scinfo->weight;
keir@21292	3104 sdom.cap = scinfo->cap;
keir@21292	3105
keir@21292	3106 rc = xc_sched_credit_domain_set(ctx->xch, domid, &sdom);
gianni@21892	3107 if ( rc < 0 ) {
gianni@21892	3108 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "setting domain sched credit");
gianni@21892	3109 return ERROR_FAIL;
gianni@21892	3110 }
keir@21292	3111
keir@21292	3112 return 0;
keir@21292	3113 }
keir@21292	3114
keir@21393	3115 static int trigger_type_from_string(char *trigger_name)
keir@21393	3116 {
keir@21393	3117 if (!strcmp(trigger_name, "nmi"))
keir@21393	3118 return XEN_DOMCTL_SENDTRIGGER_NMI;
keir@21393	3119 else if (!strcmp(trigger_name, "reset"))
keir@21393	3120 return XEN_DOMCTL_SENDTRIGGER_RESET;
keir@21393	3121 else if (!strcmp(trigger_name, "init"))
keir@21393	3122 return XEN_DOMCTL_SENDTRIGGER_INIT;
keir@21393	3123 else if (!strcmp(trigger_name, "power"))
keir@21393	3124 return XEN_DOMCTL_SENDTRIGGER_POWER;
keir@21393	3125 else if (!strcmp(trigger_name, "sleep"))
keir@21393	3126 return XEN_DOMCTL_SENDTRIGGER_SLEEP;
keir@21393	3127 else
keir@21393	3128 return -1;
keir@21393	3129 }
keir@21393	3130
keir@21393	3131 int libxl_send_trigger(struct libxl_ctx ctx, uint32_t domid, char trigger_name, uint32_t vcpuid)
keir@21393	3132 {
keir@21393	3133 int rc = -1;
keir@21393	3134 int trigger_type = trigger_type_from_string(trigger_name);
keir@21393	3135
keir@21393	3136 if (trigger_type == -1) {
keir@21393	3137 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21393	3138 "Invalid trigger, valid triggers are <nmi\|reset\|init\|power\|sleep>");
gianni@21892	3139 return ERROR_INVAL;
keir@21393	3140 }
keir@21393	3141
keir@21393	3142 rc = xc_domain_send_trigger(ctx->xch, domid, trigger_type, vcpuid);
gianni@21892	3143 if (rc != 0) {
keir@21393	3144 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21393	3145 "Send trigger '%s' failed", trigger_name);
gianni@21892	3146 return ERROR_FAIL;
gianni@21892	3147 }
gianni@21892	3148
gianni@21892	3149 return 0;
keir@21393	3150 }
keir@21402	3151
keir@21402	3152 int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq)
keir@21402	3153 {
keir@21402	3154 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21402	3155
keir@21402	3156 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/control/sysrq", dompath), "%c", sysrq);
keir@21402	3157
keir@21402	3158 return 0;
keir@21402	3159 }
keir@21402	3160
keir@21472	3161 int libxl_send_debug_keys(struct libxl_ctx ctx, char keys)
keir@21472	3162 {
gianni@21892	3163 int ret;
gianni@21892	3164 ret = xc_send_debug_keys(ctx->xch, keys);
gianni@21892	3165 if ( ret < 0 ) {
gianni@21892	3166 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "sending debug keys");
gianni@21892	3167 return ERROR_FAIL;
gianni@21892	3168 }
gianni@21892	3169 return 0;
keir@21472	3170 }
keir@21472	3171
keir@21496	3172 struct libxl_xen_console_reader *
keir@21496	3173 libxl_xen_console_read_start(struct libxl_ctx *ctx, int clear)
keir@21496	3174 {
keir@21496	3175 struct libxl_xen_console_reader *cr;
keir@21496	3176 unsigned int size = 16384;
keir@21496	3177 char *buf = malloc(size);
keir@21496	3178
keir@21496	3179 if (!buf) {
keir@21496	3180 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot malloc buffer for libxl_xen_console_reader,"
keir@21496	3181 " size is %u", size);
keir@21496	3182 return NULL;
keir@21496	3183 }
keir@21496	3184
keir@21496	3185 cr = malloc(sizeof(struct libxl_xen_console_reader));
keir@21496	3186 if (!cr) {
keir@21496	3187 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot malloc libxl_xen_console_reader");
keir@21496	3188 return NULL;
keir@21496	3189 }
keir@21496	3190
keir@21496	3191 memset(cr, 0, sizeof(struct libxl_xen_console_reader));
keir@21496	3192 cr->buffer = buf;
keir@21496	3193 cr->size = size;
keir@21496	3194 cr->count = size;
keir@21496	3195 cr->clear = clear;
keir@21496	3196 cr->incremental = 1;
keir@21496	3197
keir@21496	3198 return cr;
keir@21496	3199 }
keir@21496	3200
keir@21496	3201 /* return values: *line_r
keir@21496	3202 * 1 success, whole line obtained from buffer non-0
keir@21496	3203 * 0 no more lines available right now 0
keir@21496	3204 * negative error code ERROR_* 0
keir@21496	3205 * On success *line_r is updated to point to a nul-terminated
keir@21496	3206 * string which is valid until the next call on the same console
keir@21496	3207 * reader. The libxl caller may overwrite parts of the string
keir@21496	3208 * if it wishes. */
keir@21496	3209 int libxl_xen_console_read_line(struct libxl_ctx *ctx,
keir@21496	3210 struct libxl_xen_console_reader *cr,
keir@21496	3211 char **line_r)
keir@21496	3212 {
keir@21496	3213 int ret;
keir@21496	3214
keir@21496	3215 memset(cr->buffer, 0, cr->size);
keir@21496	3216 ret = xc_readconsolering(ctx->xch, &cr->buffer, &cr->count,
keir@21496	3217 cr->clear, cr->incremental, &cr->index);
gianni@21892	3218 if (ret < 0) {
gianni@21892	3219 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "reading console ring buffer");
gianni@21892	3220 return ERROR_FAIL;
gianni@21892	3221 }
keir@21496	3222 if (!ret) {
keir@21496	3223 if (cr->count) {
keir@21496	3224 *line_r = cr->buffer;
keir@21496	3225 ret = 1;
keir@21496	3226 } else {
keir@21496	3227 *line_r = NULL;
keir@21496	3228 ret = 0;
keir@21496	3229 }
keir@21496	3230 }
keir@21496	3231
keir@21496	3232 return ret;
keir@21496	3233 }
keir@21496	3234
keir@21496	3235 void libxl_xen_console_read_finish(struct libxl_ctx *ctx,
keir@21496	3236 struct libxl_xen_console_reader *cr)
keir@21496	3237 {
keir@21496	3238 free(cr->buffer);
keir@21496	3239 free(cr);
keir@21496	3240 }
keir@21496	3241
keir@21425	3242 uint32_t libxl_vm_get_start_time(struct libxl_ctx *ctx, uint32_t domid)
keir@21425	3243 {
keir@21425	3244 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21425	3245 char vm_path, start_time;
keir@21425	3246
keir@21425	3247 vm_path = libxl_xs_read(
keir@21425	3248 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vm", dompath));
keir@21425	3249 start_time = libxl_xs_read(
keir@21425	3250 ctx, XBT_NULL, libxl_sprintf(ctx, "%s/start_time", vm_path));
keir@21425	3251 if (start_time == NULL) {
keir@21425	3252 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21425	3253 "Can't get start time of domain '%d'", domid);
keir@21425	3254 return -1;
keir@21425	3255 }
keir@21425	3256
keir@21425	3257 return strtoul(start_time, NULL, 10);
keir@21425	3258 }
keir@21425	3259
keir@21471	3260 char libxl_tmem_list(struct libxl_ctx ctx, uint32_t domid, int use_long)
keir@21471	3261 {
keir@21471	3262 int rc;
keir@21471	3263 char _buf[32768];
keir@21471	3264
keir@21471	3265 rc = xc_tmem_control(ctx->xch, -1, TMEMC_LIST, domid, 32768, use_long,
keir@21471	3266 0, _buf);
keir@21471	3267 if (rc < 0) {
keir@21471	3268 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471	3269 "Can not get tmem list");
keir@21471	3270 return NULL;
keir@21471	3271 }
keir@21471	3272
keir@21471	3273 return strdup(_buf);
keir@21471	3274 }
keir@21471	3275
keir@21471	3276 int libxl_tmem_freeze(struct libxl_ctx *ctx, uint32_t domid)
keir@21471	3277 {
keir@21471	3278 int rc;
keir@21471	3279
keir@21471	3280 rc = xc_tmem_control(ctx->xch, -1, TMEMC_FREEZE, domid, 0, 0,
keir@21471	3281 0, NULL);
keir@21471	3282 if (rc < 0) {
keir@21471	3283 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471	3284 "Can not freeze tmem pools");
gianni@21892	3285 return ERROR_FAIL;
keir@21471	3286 }
keir@21471	3287
keir@21471	3288 return rc;
keir@21471	3289 }
keir@21471	3290
keir@21471	3291 int libxl_tmem_destroy(struct libxl_ctx *ctx, uint32_t domid)
keir@21471	3292 {
keir@21471	3293 int rc;
keir@21471	3294
keir@21471	3295 rc = xc_tmem_control(ctx->xch, -1, TMEMC_DESTROY, domid, 0, 0,
keir@21471	3296 0, NULL);
keir@21471	3297 if (rc < 0) {
keir@21471	3298 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471	3299 "Can not destroy tmem pools");
gianni@21892	3300 return ERROR_FAIL;
keir@21471	3301 }
keir@21471	3302
keir@21471	3303 return rc;
keir@21471	3304 }
keir@21471	3305
keir@21471	3306 int libxl_tmem_thaw(struct libxl_ctx *ctx, uint32_t domid)
keir@21471	3307 {
keir@21471	3308 int rc;
keir@21471	3309
keir@21471	3310 rc = xc_tmem_control(ctx->xch, -1, TMEMC_THAW, domid, 0, 0,
keir@21471	3311 0, NULL);
keir@21471	3312 if (rc < 0) {
keir@21471	3313 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21471	3314 "Can not thaw tmem pools");
gianni@21892	3315 return ERROR_FAIL;
keir@21471	3316 }
keir@21471	3317
keir@21471	3318 return rc;
keir@21471	3319 }
keir@21471	3320
keir@21471	3321 static int32_t tmem_setop_from_string(char *set_name)
keir@21471	3322 {
keir@21471	3323 if (!strcmp(set_name, "weight"))
keir@21471	3324 return TMEMC_SET_WEIGHT;
keir@21471	3325 else if (!strcmp(set_name, "cap"))
keir@21471	3326 return TMEMC_SET_CAP;
keir@21471	3327 else if (!strcmp(set_name, "compress"))
keir@21471	3328 return TMEMC_SET_COMPRESS;
keir@21471	3329 else
keir@21471	3330 return -1;
keir@21471	3331 }
keir@21471	3332
keir@21471	3333 int libxl_tmem_set(struct libxl_ctx ctx, uint32_t domid, char name, uint32_t set)
keir@21471	3334 {
keir@21471	3335 int rc;
keir@21471	3336 int32_t subop = tmem_setop_from_string(name);
keir@21471	3337
keir@21471	3338 if (subop == -1) {
keir@21471	3339 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21471	3340 "Invalid set, valid sets are <weight\|cap\|compress>");