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

debuggers.hg

annotate tools/libxl/libxl.c @ 21417:97da07c523dd

libxl: Check return codes of write/asprintf/daemon consistently.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

author	Keir Fraser <keir.fraser@citrix.com>
date	Thu May 13 09:35:05 2010 +0100 (2010-05-13)
parents	922962ef94c8
children	b29e42cb4727

rev	line source
keir@20462	1 /*
keir@20462	2 * Copyright (C) 2009 Citrix Ltd.
keir@20462	3 * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
keir@20462	4 * Author Stefano Stabellini <stefano.stabellini@eu.citrix.com>
keir@20462	5 *
keir@20462	6 * This program is free software; you can redistribute it and/or modify
keir@20462	7 * it under the terms of the GNU Lesser General Public License as published
keir@20462	8 * by the Free Software Foundation; version 2.1 only. with the special
keir@20462	9 * exception on linking described in file LICENSE.
keir@20462	10 *
keir@20462	11 * This program is distributed in the hope that it will be useful,
keir@20462	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
keir@20462	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
keir@20462	14 * GNU Lesser General Public License for more details.
keir@20462	15 */
keir@20462	16
keir@20513	17 #include "libxl_osdeps.h"
keir@20513	18
keir@20462	19 #include <stdio.h>
keir@20462	20 #include <string.h>
keir@20462	21 #include <stdlib.h>
keir@20462	22 #include <sys/types.h>
keir@20462	23 #include <fcntl.h>
keir@20462	24 #include <sys/select.h>
keir@20514	25 #include <sys/wait.h>
keir@20462	26 #include <signal.h>
keir@20468	27 #include <unistd.h> /* for write, unlink and close */
keir@20509	28 #include <stdint.h>
keir@20509	29 #include <inttypes.h>
keir@20514	30 #include <assert.h>
keir@20513	31
keir@20462	32 #include "libxl.h"
keir@20462	33 #include "libxl_utils.h"
keir@20462	34 #include "libxl_internal.h"
keir@20462	35 #include "flexarray.h"
keir@20462	36
keir@20860	37 #define PAGE_TO_MEMKB(pages) ((pages) * 4)
keir@20860	38
keir@20788	39 int libxl_ctx_init(struct libxl_ctx *ctx, int version)
keir@20462	40 {
keir@20788	41 if (version != LIBXL_VERSION)
keir@20788	42 return ERROR_VERSION;
keir@20462	43 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462	44 ctx->alloc_maxsize = 256;
keir@20462	45 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462	46 if (!ctx->alloc_ptrs)
keir@20462	47 return ERROR_NOMEM;
keir@21266	48 memset(&ctx->version_info, 0, sizeof(libxl_version_info));
keir@20462	49
keir@20462	50 ctx->xch = xc_interface_open();
keir@20819	51 if (ctx->xch == -1) {
keir@20819	52 free(ctx->alloc_ptrs);
keir@20819	53 return ERROR_FAIL;
keir@20819	54 }
keir@20819	55
keir@20462	56 ctx->xsh = xs_daemon_open();
keir@20819	57 if (!ctx->xsh) {
keir@20819	58 xc_interface_close(ctx->xch);
keir@20819	59 free(ctx->alloc_ptrs);
keir@20819	60 return ERROR_FAIL;
keir@20819	61 }
keir@20462	62 return 0;
keir@20462	63 }
keir@20462	64
keir@20462	65 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462	66 {
keir@20462	67 libxl_free_all(ctx);
keir@20462	68 free(ctx->alloc_ptrs);
keir@20462	69 xc_interface_close(ctx->xch);
keir@21186	70 if (ctx->xsh) xs_daemon_close(ctx->xsh);
keir@20462	71 return 0;
keir@20462	72 }
keir@20462	73
keir@20462	74 int libxl_ctx_set_log(struct libxl_ctx ctx, libxl_log_callback log_callback, void log_data)
keir@20462	75 {
keir@20462	76 ctx->log_callback = log_callback;
keir@20462	77 ctx->log_userdata = log_data;
keir@20462	78 return 0;
keir@20462	79 }
keir@20462	80
keir@20462	81 /******************************************************************************/
keir@20462	82
keir@20462	83 int libxl_domain_make(struct libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	84 uint32_t *domid)
keir@20462	85 {
keir@21184	86 int flags, ret, i, rc;
keir@20468	87 char *uuid_string;
keir@20646	88 char *rw_paths[] = { "device", "device/suspend/event-channel" , "data"};
keir@20462	89 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20646	90 "control", "attr", "messages" };
keir@20462	91 char dom_path, vm_path, *vss_path;
keir@20462	92 struct xs_permissions roperm[2];
keir@20462	93 struct xs_permissions rwperm[1];
keir@20462	94 xs_transaction_t t;
keir@20468	95 xen_domain_handle_t handle;
keir@20462	96
keir@21188	97 uuid_string = libxl_uuid2string(ctx, info->uuid);
keir@21188	98 if (!uuid_string) return ERROR_NOMEM;
keir@20462	99
keir@20462	100 flags = info->hvm ? XEN_DOMCTL_CDF_hvm_guest : 0;
keir@20462	101 flags \|= info->hap ? XEN_DOMCTL_CDF_hap : 0;
keir@21274	102 flags \|= info->oos ? 0 : XEN_DOMCTL_CDF_oos_off;
keir@20824	103 *domid = -1;
keir@20462	104
keir@20580	105 /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
keir@20580	106 memcpy(handle, info->uuid, sizeof(xen_domain_handle_t));
keir@20468	107
keir@20468	108 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	109 if (ret < 0) {
keir@20512	110 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	111 return ERROR_FAIL;
keir@20462	112 }
keir@20462	113
keir@21368	114 ret = xc_cpupool_movedomain(ctx->xch, info->poolid, *domid);
keir@21368	115 if (ret < 0) {
keir@21368	116 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain move fail");
keir@21368	117 return ERROR_FAIL;
keir@21368	118 }
keir@21368	119
keir@20462	120 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	121 if (!dom_path)
keir@20512	122 return ERROR_FAIL;
keir@20512	123
keir@20462	124 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462	125 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512	126 if (!vm_path \|\| !vss_path) {
keir@20462	127 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	128 return ERROR_FAIL;
keir@20462	129 }
keir@20462	130
keir@20462	131 roperm[0].id = 0;
keir@20462	132 roperm[0].perms = XS_PERM_NONE;
keir@20462	133 roperm[1].id = *domid;
keir@20462	134 roperm[1].perms = XS_PERM_READ;
keir@20462	135 rwperm[0].id = *domid;
keir@20462	136 rwperm[0].perms = XS_PERM_NONE;
keir@20462	137
keir@20462	138 retry_transaction:
keir@20462	139 t = xs_transaction_start(ctx->xsh);
keir@20462	140 xs_rm(ctx->xsh, t, dom_path);
keir@20462	141 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	142 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	143
keir@20462	144 xs_rm(ctx->xsh, t, vm_path);
keir@20462	145 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	146 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	147
keir@20462	148 xs_rm(ctx->xsh, t, vss_path);
keir@20462	149 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462	150 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	151
keir@20462	152 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462	153 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@21184	154 rc = libxl_domain_rename(ctx, *domid, 0, info->name, t);
keir@21184	155 if (rc) return rc;
keir@20462	156
keir@20462	157 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	158 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	159 xs_mkdir(ctx->xsh, t, path);
keir@20462	160 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	161 libxl_free(ctx, path);
keir@20462	162 }
keir@20462	163 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	164 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	165 xs_mkdir(ctx->xsh, t, path);
keir@20462	166 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	167 libxl_free(ctx, path);
keir@20462	168 }
keir@20462	169
keir@20462	170 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	171 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@21389	172 if (info->poolname)
keir@21389	173 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
keir@20462	174
keir@20462	175 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	176 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	177
keir@20462	178 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	179
keir@20462	180 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	181 if (errno == EAGAIN)
keir@20462	182 goto retry_transaction;
keir@20462	183 return 0;
keir@20462	184 }
keir@20462	185
keir@21184	186 int libxl_domain_rename(struct libxl_ctx *ctx, uint32_t domid,
keir@21184	187 const char old_name, const char new_name,
keir@21184	188 xs_transaction_t trans) {
keir@21184	189 char *dom_path = 0;
keir@21184	190 const char *name_path;
keir@21184	191 char *got_old_name;
keir@21184	192 unsigned int got_old_len;
keir@21184	193 xs_transaction_t our_trans = 0;
keir@21184	194 int rc;
keir@21184	195
keir@21184	196 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@21184	197 if (!dom_path) goto x_nomem;
keir@21184	198
keir@21184	199 name_path= libxl_sprintf(ctx, "%s/name", dom_path);
keir@21184	200 if (!name_path) goto x_nomem;
keir@21184	201
keir@21184	202 retry_transaction:
keir@21184	203 if (!trans) {
keir@21184	204 trans = our_trans = xs_transaction_start(ctx->xsh);
keir@21184	205 if (!our_trans) {
keir@21184	206 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno,
keir@21184	207 "create xs transaction for domain (re)name");
keir@21184	208 goto x_fail;
keir@21184	209 }
keir@21184	210 }
keir@21184	211
keir@21184	212 if (old_name) {
keir@21184	213 got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len);
keir@21184	214 if (!got_old_name) {
keir@21184	215 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, errno, "check old name"
keir@21184	216 " for domain %"PRIu32" allegedly named `%s'",
keir@21184	217 domid, old_name);
keir@21184	218 goto x_fail;
keir@21184	219 }
keir@21184	220 if (strcmp(old_name, got_old_name)) {
keir@21184	221 XL_LOG(ctx, XL_LOG_ERROR, "domain %"PRIu32" allegedly named "
keir@21184	222 "`%s' is actually named `%s' - racing ?",
keir@21184	223 domid, old_name, got_old_name);
keir@21184	224 free(got_old_name);
keir@21184	225 goto x_fail;
keir@21184	226 }
keir@21184	227 free(got_old_name);
keir@21184	228 }
keir@21184	229 if (!xs_write(ctx->xsh, trans, name_path,
keir@21184	230 new_name, strlen(new_name))) {
keir@21184	231 XL_LOG(ctx, XL_LOG_ERROR, "failed to write new name `%s'"
keir@21184	232 " for domain %"PRIu32" previously named `%s'",
keir@21184	233 domid, new_name, old_name);
keir@21184	234 goto x_fail;
keir@21184	235 }
keir@21184	236
keir@21184	237 if (our_trans) {
keir@21184	238 if (!xs_transaction_end(ctx->xsh, our_trans, 0)) {
keir@21184	239 trans = our_trans = 0;
keir@21184	240 if (errno != EAGAIN) {
keir@21184	241 XL_LOG(ctx, XL_LOG_ERROR, "failed to commit new name `%s'"
keir@21184	242 " for domain %"PRIu32" previously named `%s'",
keir@21184	243 domid, new_name, old_name);
keir@21184	244 goto x_fail;
keir@21184	245 }
keir@21184	246 XL_LOG(ctx, XL_LOG_DEBUG, "need to retry rename transaction"
keir@21184	247 " for domain %"PRIu32" (name_path=\"%s\", new_name=\"%s\")",
keir@21184	248 domid, name_path, new_name);
keir@21184	249 goto retry_transaction;
keir@21184	250 }
keir@21184	251 our_trans = 0;
keir@21184	252 }
keir@21184	253
keir@21184	254 rc = 0;
keir@21184	255 x_rc:
keir@21184	256 if (dom_path) libxl_free(ctx, dom_path);
keir@21184	257 if (our_trans) xs_transaction_end(ctx->xsh, our_trans, 1);
keir@21184	258 return rc;
keir@21184	259
keir@21184	260 x_fail: rc = ERROR_FAIL; goto x_rc;
keir@21184	261 x_nomem: rc = ERROR_NOMEM; goto x_rc;
keir@21184	262 }
keir@21184	263
keir@20516	264 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	265 {
keir@20462	266 char vments = NULL, localents = NULL;
keir@20829	267 int i, ret;
keir@20829	268
keir@20829	269 ret = build_pre(ctx, domid, info, state);
keir@20829	270 if (ret) goto out;
keir@20462	271
keir@20462	272 if (info->hvm) {
keir@20829	273 ret = build_hvm(ctx, domid, info, state);
keir@20829	274 if (ret) goto out;
keir@20829	275
keir@20509	276 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	277 vments[0] = "rtc/timeoffset";
keir@20516	278 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	279 vments[2] = "image/ostype";
keir@20516	280 vments[3] = "hvm";
keir@20462	281 } else {
keir@20829	282 ret = build_pv(ctx, domid, info, state);
keir@20829	283 if (ret) goto out;
keir@20829	284
keir@20509	285 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20578	286 i = 0;
keir@20578	287 vments[i++] = "image/ostype";
keir@20578	288 vments[i++] = "linux";
keir@20578	289 vments[i++] = "image/kernel";
keir@20578	290 vments[i++] = (char*) info->kernel;
keir@20578	291 if (info->u.pv.ramdisk) {
keir@20578	292 vments[i++] = "image/ramdisk";
keir@20578	293 vments[i++] = (char*) info->u.pv.ramdisk;
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:
keir@20829	302 return ret;
keir@20462	303 }
keir@20462	304
keir@20462	305 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20565	306 uint32_t domid, int fd, libxl_domain_build_state *state,
keir@20565	307 libxl_device_model_info *dm_info)
keir@20462	308 {
keir@20462	309 char vments = NULL, localents = NULL;
keir@21183	310 int i, ret, esave, flags;
keir@20462	311
keir@20829	312 ret = build_pre(ctx, domid, info, state);
keir@20829	313 if (ret) goto out;
keir@20829	314
keir@20829	315 ret = restore_common(ctx, domid, info, state, fd);
keir@20829	316 if (ret) goto out;
keir@20829	317
keir@20462	318 if (info->hvm) {
keir@20565	319 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	320 vments[0] = "rtc/timeoffset";
keir@20516	321 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20565	322 vments[2] = "image/ostype";
keir@20565	323 vments[3] = "hvm";
keir@20462	324 } else {
keir@20565	325 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20627	326 i = 0;
keir@20627	327 vments[i++] = "image/ostype";
keir@20627	328 vments[i++] = "linux";
keir@20627	329 vments[i++] = "image/kernel";
keir@20627	330 vments[i++] = (char*) info->kernel;
keir@20627	331 if (info->u.pv.ramdisk) {
keir@20627	332 vments[i++] = "image/ramdisk";
keir@20627	333 vments[i++] = (char*) info->u.pv.ramdisk;
keir@20627	334 }
keir@20627	335 if (info->u.pv.cmdline) {
keir@20627	336 vments[i++] = "image/cmdline";
keir@20627	337 vments[i++] = (char*) info->u.pv.cmdline;
keir@20627	338 }
keir@20462	339 }
keir@20829	340 ret = build_post(ctx, domid, info, state, vments, localents);
keir@20829	341 if (ret) goto out;
keir@20829	342
keir@21417	343 dm_info->saved_state = NULL;
keir@21417	344 if (info->hvm) {
keir@21417	345 ret = asprintf(&dm_info->saved_state,
keir@21417	346 "/var/lib/xen/qemu-save.%d", domid);
keir@21417	347 ret = (ret < 0) ? ERROR_FAIL : 0;
keir@21417	348 }
keir@21417	349
keir@20829	350 out:
keir@21183	351 esave = errno;
keir@21183	352
keir@21183	353 flags = fcntl(fd, F_GETFL);
keir@21183	354 if (flags == -1) {
keir@21183	355 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to get flags on restore fd");
keir@21183	356 } else {
keir@21183	357 flags &= ~O_NONBLOCK;
keir@21183	358 if (fcntl(fd, F_SETFL, flags) == -1)
keir@21183	359 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "unable to put restore fd"
keir@21183	360 " back to blocking mode");
keir@21183	361 }
keir@21183	362
keir@21183	363 errno = esave;
keir@20829	364 return ret;
keir@20462	365 }
keir@20462	366
keir@20629	367 int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
keir@20629	368 {
keir@20629	369 if (is_hvm(ctx, domid)) {
keir@20629	370 XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
keir@20629	371 "non-cooperative hvm domain %u", domid);
keir@20629	372 return ERROR_NI;
keir@20629	373 }
keir@20629	374 if (xc_domain_resume(ctx->xch, domid, 1)) {
keir@20629	375 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	376 "xc_domain_resume failed for domain %u",
keir@20629	377 domid);
keir@20629	378 return ERROR_FAIL;
keir@20629	379 }
keir@20629	380 if (!xs_resume_domain(ctx->xsh, domid)) {
keir@20629	381 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20629	382 "xs_resume_domain failed for domain %u",
keir@20629	383 domid);
keir@20629	384 return ERROR_FAIL;
keir@20629	385 }
keir@20629	386 return 0;
keir@20629	387 }
keir@20629	388
keir@21189	389 static void xcinfo2xlinfo(const xc_domaininfo_t *xcinfo,
keir@21189	390 struct libxl_dominfo *xlinfo) {
keir@21189	391 memcpy(&(xlinfo->uuid), xcinfo->handle, sizeof(xen_domain_handle_t));
keir@21189	392 xlinfo->domid = xcinfo->domain;
keir@21189	393
keir@21189	394 if (xcinfo->flags & XEN_DOMINF_dying)
keir@21189	395 xlinfo->dying = 1;
keir@21189	396 else if (xcinfo->flags & XEN_DOMINF_paused)
keir@21189	397 xlinfo->paused = 1;
keir@21189	398 else if (xcinfo->flags & XEN_DOMINF_blocked \|\|
keir@21189	399 xcinfo->flags & XEN_DOMINF_running)
keir@21189	400 xlinfo->running = 1;
keir@21189	401 xlinfo->max_memkb = PAGE_TO_MEMKB(xcinfo->tot_pages);
keir@21189	402 xlinfo->cpu_time = xcinfo->cpu_time;
keir@21189	403 xlinfo->vcpu_max_id = xcinfo->max_vcpu_id;
keir@21189	404 xlinfo->vcpu_online = xcinfo->nr_online_vcpus;
keir@21189	405 }
keir@21189	406
keir@20860	407 struct libxl_dominfo * libxl_list_domain(struct libxl_ctx ctx, int nb_domain)
keir@20462	408 {
keir@20462	409 struct libxl_dominfo *ptr;
keir@20867	410 int i, ret;
keir@20822	411 xc_domaininfo_t info[1024];
keir@20822	412 int size = 1024;
keir@20462	413
keir@20516	414 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@21189	415 if (!ptr) return NULL;
keir@20822	416
keir@20860	417 ret = xc_domain_getinfolist(ctx->xch, 0, 1024, info);
keir@21189	418 if (ret<0) return NULL;
keir@20784	419
keir@21189	420 for (i = 0; i < ret; i++) {
keir@21189	421 xcinfo2xlinfo(&info[i], &ptr[i]);
keir@20462	422 }
keir@20867	423 *nb_domain = ret;
keir@20462	424 return ptr;
keir@20462	425 }
keir@20462	426
keir@21189	427 int libxl_domain_info(struct libxl_ctx ctx, struct libxl_dominfo info_r,
keir@21189	428 uint32_t domid) {
keir@21189	429 xc_domaininfo_t xcinfo;
keir@21189	430 int ret;
keir@21189	431
keir@21189	432 ret = xc_domain_getinfolist(ctx->xch, domid, 1, &xcinfo);
keir@21189	433 if (ret<0) return ERROR_FAIL;
keir@21189	434 if (ret==0 \|\| xcinfo.domain != domid) return ERROR_INVAL;
keir@21189	435
keir@21189	436 xcinfo2xlinfo(&xcinfo, info_r);
keir@21189	437 return 0;
keir@21189	438 }
keir@21189	439
keir@21368	440 struct libxl_poolinfo * libxl_list_pool(struct libxl_ctx ctx, int nb_pool)
keir@21368	441 {
keir@21368	442 struct libxl_poolinfo *ptr;
keir@21368	443 int i, ret;
keir@21368	444 xc_cpupoolinfo_t info[256];
keir@21368	445 int size = 256;
keir@21368	446
keir@21368	447 ptr = calloc(size, sizeof(struct libxl_poolinfo));
keir@21368	448 if (!ptr) return NULL;
keir@21368	449
keir@21368	450 ret = xc_cpupool_getinfo(ctx->xch, 0, 256, info);
keir@21368	451 if (ret<0) return NULL;
keir@21368	452
keir@21368	453 for (i = 0; i < ret; i++) {
keir@21368	454 ptr[i].poolid = info[i].cpupool_id;
keir@21368	455 }
keir@21368	456 *nb_pool = ret;
keir@21368	457 return ptr;
keir@21368	458 }
keir@21368	459
keir@20860	460 /* this API call only list VM running on this host. a VM can be an aggregate of multiple domains. */
keir@20860	461 struct libxl_vminfo * libxl_list_vm(struct libxl_ctx ctx, int nb_vm)
keir@20860	462 {
keir@20860	463 struct libxl_vminfo *ptr;
keir@20860	464 int index, i, ret;
keir@20860	465 xc_domaininfo_t info[1024];
keir@20860	466 int size = 1024;
keir@20860	467
keir@20860	468 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20860	469 if (!ptr)
keir@20860	470 return NULL;
keir@20860	471
keir@20860	472 ret = xc_domain_getinfolist(ctx->xch, 1, 1024, info);
keir@20860	473 for (index = i = 0; i < ret; i++) {
keir@20860	474 if (libxl_is_stubdom(ctx, info[i].domain, NULL))
keir@20860	475 continue;
keir@20860	476 memcpy(&(ptr[index].uuid), info[i].handle, sizeof(xen_domain_handle_t));
keir@20860	477 ptr[index].domid = info[i].domain;
keir@20860	478
keir@20860	479 index++;
keir@20860	480 }
keir@20860	481 *nb_vm = index;
keir@20860	482 return ptr;
keir@20860	483 }
keir@20860	484
keir@20462	485 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	486 uint32_t domid, int fd)
keir@20462	487 {
keir@20565	488 int hvm = is_hvm(ctx, domid);
keir@20565	489 int live = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20565	490 int debug = info != NULL && info->flags & XL_SUSPEND_LIVE;
keir@20462	491
keir@20462	492 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20565	493 if (hvm)
keir@21417	494 return save_device_model(ctx, domid, fd);
keir@20462	495 return 0;
keir@20462	496 }
keir@20462	497
keir@20462	498 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	499 {
keir@20462	500 xc_domain_pause(ctx->xch, domid);
keir@20462	501 return 0;
keir@20462	502 }
keir@20462	503
keir@20462	504 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	505 {
keir@20779	506 char *path;
keir@20565	507 char *state;
keir@20565	508
keir@20565	509 if (is_hvm(ctx, domid)) {
keir@20779	510 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20565	511 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20565	512 if (state != NULL && !strcmp(state, "paused")) {
keir@20565	513 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid), "continue", strlen("continue"));
keir@20565	514 libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL);
keir@20565	515 }
keir@20565	516 }
keir@20462	517 xc_domain_unpause(ctx->xch, domid);
keir@20565	518
keir@20462	519 return 0;
keir@20462	520 }
keir@20462	521
keir@20462	522 static char *req_table[] = {
keir@20462	523 [0] = "poweroff",
keir@20462	524 [1] = "reboot",
keir@20462	525 [2] = "suspend",
keir@20462	526 [3] = "crash",
keir@20462	527 [4] = "halt",
keir@20462	528 };
keir@20462	529
keir@20462	530 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	531 {
keir@20462	532 char *shutdown_path;
keir@20462	533 char *dom_path;
keir@20462	534
keir@20462	535 if (req > ARRAY_SIZE(req_table))
keir@20462	536 return ERROR_INVAL;
keir@20462	537
keir@20462	538 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	539 if (!dom_path)
keir@20512	540 return ERROR_FAIL;
keir@20512	541
keir@20462	542 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	543
keir@20462	544 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462	545 if (/* hvm */ 0) {
keir@20462	546 unsigned long acpi_s_state = 0;
keir@20462	547 unsigned long pvdriver = 0;
keir@20462	548 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462	549 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462	550 if (!pvdriver && acpi_s_state != 0)
keir@20462	551 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462	552 }
keir@20462	553 return 0;
keir@20462	554 }
keir@20462	555
keir@20637	556 int libxl_get_wait_fd(struct libxl_ctx ctx, int fd)
keir@20545	557 {
keir@20545	558 *fd = xs_fileno(ctx->xsh);
keir@20545	559 return 0;
keir@20545	560 }
keir@20545	561
keir@20637	562 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, libxl_waiter waiter)
keir@20637	563 {
keir@20637	564 waiter->path = strdup("@releaseDomain");
keir@21417	565 if (asprintf(&(waiter->token), "%d", DOMAIN_DEATH) < 0)
keir@21417	566 return -1;
keir@20637	567 if (!xs_watch(ctx->xsh, waiter->path, waiter->token))
keir@20637	568 return -1;
keir@20637	569 return 0;
keir@20637	570 }
keir@20637	571
keir@20637	572 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	573 {
keir@20637	574 int i;
keir@20637	575 uint32_t domid = libxl_get_stubdom_id(ctx, guest_domid);
keir@20637	576
keir@20637	577 if (!domid)
keir@20637	578 domid = guest_domid;
keir@20637	579
keir@20637	580 for (i = 0; i < num_disks; i++) {
keir@21417	581 if (asprintf(&(waiter[i].path), "%s/device/vbd/%d/eject",
keir@21417	582 libxl_xs_get_dompath(ctx, domid),
keir@21417	583 device_disk_dev_number(disks[i].virtpath)) < 0)
keir@21417	584 return -1;
keir@21417	585 if (asprintf(&(waiter[i].token), "%d", DISK_EJECT) < 0)
keir@21417	586 return -1;
keir@20637	587 xs_watch(ctx->xsh, waiter->path, waiter->token);
keir@20637	588 }
keir@20637	589 return 0;
keir@20637	590 }
keir@20637	591
keir@20637	592 int libxl_get_event(struct libxl_ctx ctx, libxl_event event)
keir@20545	593 {
keir@20545	594 unsigned int num;
keir@20637	595 char **events = xs_read_watch(ctx->xsh, &num);
keir@20637	596 if (num != 2) {
keir@20637	597 free(events);
keir@20637	598 return -1;
keir@20637	599 }
keir@20637	600 event->path = strdup(events[XS_WATCH_PATH]);
keir@20637	601 event->token = strdup(events[XS_WATCH_TOKEN]);
keir@20637	602 event->type = atoi(event->token);
keir@20637	603 free(events);
keir@20637	604 return 0;
keir@20637	605 }
keir@20637	606
keir@20637	607 int libxl_stop_waiting(struct libxl_ctx ctx, libxl_waiter waiter)
keir@20637	608 {
keir@20637	609 if (!xs_unwatch(ctx->xsh, waiter->path, waiter->token))
keir@20637	610 return -1;
keir@20637	611 else
keir@20637	612 return 0;
keir@20637	613 }
keir@20637	614
keir@20637	615 int libxl_free_event(libxl_event *event)
keir@20637	616 {
keir@20637	617 free(event->path);
keir@20637	618 free(event->token);
keir@20637	619 return 0;
keir@20637	620 }
keir@20637	621
keir@20637	622 int libxl_free_waiter(libxl_waiter *waiter)
keir@20637	623 {
keir@20637	624 free(waiter->path);
keir@20637	625 free(waiter->token);
keir@20637	626 return 0;
keir@20637	627 }
keir@20637	628
keir@20785	629 int libxl_event_get_domain_death_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, xc_domaininfo_t *info)
keir@20637	630 {
keir@20785	631 int rc = 0, ret;
keir@20545	632
keir@20637	633 if (event && event->type == DOMAIN_DEATH) {
keir@20785	634 ret = xc_domain_getinfolist(ctx->xch, domid, 1, info);
keir@20785	635 if (ret == 1 && info->domain == domid) {
keir@20785	636 if (info->flags & XEN_DOMINF_running \|\|
keir@20785	637 (!(info->flags & XEN_DOMINF_shutdown) && !(info->flags & XEN_DOMINF_dying)))
keir@20545	638 goto out;
keir@20545	639 rc = 1;
keir@20545	640 goto out;
keir@20545	641 }
keir@20785	642 memset(info, 0, sizeof(xc_dominfo_t));
keir@20545	643 rc = 1;
keir@20545	644 goto out;
keir@20545	645 }
keir@20545	646 out:
keir@20545	647 return rc;
keir@20545	648 }
keir@20545	649
keir@20637	650 int libxl_event_get_disk_eject_info(struct libxl_ctx ctx, uint32_t domid, libxl_event event, libxl_device_disk *disk)
keir@20637	651 {
keir@20637	652 if (event && event->type == DISK_EJECT) {
keir@20637	653 char *path;
keir@20637	654 char *backend;
keir@20637	655 char *value = libxl_xs_read(ctx, XBT_NULL, event->path);
keir@20637	656
keir@20637	657 if (!value \|\| strcmp(value, "eject"))
keir@20637	658 return 0;
keir@20637	659
keir@20637	660 path = strdup(event->path);
keir@20637	661 path[strlen(path) - 6] = '\0';
keir@20637	662 backend = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend", path));
keir@20637	663
keir@20637	664 disk->backend_domid = 0;
keir@20637	665 disk->domid = domid;
keir@20637	666 disk->physpath = NULL;
keir@20637	667 disk->phystype = 0;
keir@20637	668 /* this value is returned to the user: do not free right away */
keir@20637	669 disk->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev", backend));
keir@20637	670 disk->unpluggable = 1;
keir@20637	671 disk->readwrite = 0;
keir@20637	672 disk->is_cdrom = 1;
keir@20637	673
keir@20637	674 free(path);
keir@20637	675 return 1;
keir@20637	676 }
keir@20637	677 return 0;
keir@20637	678 }
keir@20637	679
keir@20462	680 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	681 {
keir@20462	682 char *pid;
keir@20462	683 int ret;
keir@20462	684
keir@20462	685 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	686 if (!pid) {
keir@20542	687 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	688 if (!stubdomid) {
keir@20542	689 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542	690 return -1;
keir@20542	691 }
keir@20542	692 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	693 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	694 }
keir@20462	695 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	696
keir@20462	697 ret = kill(atoi(pid), SIGHUP);
keir@20462	698 if (ret < 0 && errno == ESRCH) {
keir@20512	699 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	700 ret = 0;
keir@20462	701 } else if (ret == 0) {
keir@20512	702 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	703 ret = 0;
keir@20462	704 } else {
keir@20512	705 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	706 atoi(pid));
keir@20462	707 }
keir@20462	708 return ret;
keir@20462	709 }
keir@20462	710
keir@20462	711 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	712 {
keir@20801	713 char *dom_path;
keir@20779	714 char vm_path, vss_path, *xapi_path;
keir@20628	715 int rc, dm_present;
keir@20628	716
keir@20628	717 if (is_hvm(ctx, domid)) {
keir@20628	718 dm_present = 1;
keir@20628	719 } else {
keir@20628	720 char *pid;
keir@20628	721 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20628	722 dm_present = (pid != NULL);
keir@20628	723 libxl_free(ctx, pid);
keir@20628	724 }
keir@20462	725
keir@20462	726 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	727 if (!dom_path)
keir@20462	728 return -1;
keir@20512	729
keir@20482	730 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	731 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20628	732 if (dm_present) {
keir@20628	733 xs_write(ctx->xsh, XBT_NULL,
keir@20628	734 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20628	735 "shutdown", strlen("shutdown"));
keir@20628	736 }
keir@20512	737 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	738 if (rc < 0) {
keir@20512	739 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	740 return -1;
keir@20462	741 }
keir@20628	742 if (dm_present) {
keir@20628	743 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20628	744 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20628	745 }
keir@20462	746 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	747 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462	748 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512	749 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20779	750
keir@20801	751 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", domid));
keir@20823	752 if (vm_path)
keir@20823	753 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20823	754 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20779	755
keir@20801	756 vss_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vss", domid));
keir@20823	757 if (vss_path)
keir@20823	758 if (!xs_rm(ctx->xsh, XBT_NULL, vss_path))
keir@20823	759 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vss_path);
keir@20779	760
keir@20779	761 xapi_path = libxl_sprintf(ctx, "/xapi/%u", domid);
keir@20823	762 if (xapi_path)
keir@20823	763 if (!xs_rm(ctx->xsh, XBT_NULL, xapi_path))
keir@20823	764 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", xapi_path);
keir@20779	765
keir@21190	766 libxl__userdata_destroyall(ctx, domid);
keir@21190	767
keir@20545	768 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	769 if (rc < 0) {
keir@20545	770 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545	771 return -1;
keir@20545	772 }
keir@20462	773 return 0;
keir@20462	774 }
keir@20462	775
keir@20564	776 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	777 {
keir@21283	778 char *cmd = libxl_sprintf(
keir@21283	779 ctx, "%s/xenconsole %d --num %d",
keir@21283	780 libxl_private_bindir_path(), domid, cons_num);
keir@20564	781 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564	782 }
keir@20564	783
keir@20462	784 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	785 libxl_device_model_info *info,
keir@20462	786 libxl_device_nic *vifs,
keir@20462	787 int num_vifs)
keir@20462	788 {
keir@20462	789 int num = 0, i;
keir@20462	790 flexarray_t *dm_args;
keir@20462	791 dm_args = flexarray_make(16, 1);
keir@20462	792 if (!dm_args)
keir@20462	793 return NULL;
keir@20462	794
keir@20516	795 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	796 flexarray_set(dm_args, num++, "-d");
keir@20462	797
keir@20462	798 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	799
keir@20462	800 if (info->dom_name) {
keir@20516	801 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	802 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	803 }
keir@20462	804 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	805 flexarray_set(dm_args, num++, "-vnc");
keir@20462	806 if (info->vncdisplay) {
keir@20462	807 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@21362	808 flexarray_set(
keir@21362	809 dm_args, num++,
keir@21362	810 libxl_sprintf(ctx, "%s:%d%s",
keir@21362	811 info->vnclisten,
keir@21362	812 info->vncdisplay,
keir@21362	813 info->vncpasswd ? ",password" : ""));
keir@20462	814 } else {
keir@20462	815 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	816 }
keir@20462	817 } else if (info->vnclisten) {
keir@20462	818 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	819 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	820 } else {
keir@20462	821 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	822 }
keir@20462	823 } else {
keir@20516	824 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	825 }
keir@20462	826 if (info->vncunused) {
keir@20516	827 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	828 }
keir@20462	829 }
keir@21378	830 if (info->sdl) {
keir@20516	831 flexarray_set(dm_args, num++, "-sdl");
keir@20462	832 if (info->opengl) {
keir@20516	833 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	834 }
keir@20462	835 }
keir@20462	836 if (info->keymap) {
keir@20516	837 flexarray_set(dm_args, num++, "-k");
keir@20516	838 flexarray_set(dm_args, num++, info->keymap);
keir@20462	839 }
keir@20462	840 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	841 flexarray_set(dm_args, num++, "-nographic");
keir@20462	842 }
keir@20462	843 if (info->serial) {
keir@20516	844 flexarray_set(dm_args, num++, "-serial");
keir@20516	845 flexarray_set(dm_args, num++, info->serial);
keir@20462	846 }
keir@20509	847 if (info->type == XENFV) {
keir@20509	848 if (info->videoram) {
keir@20516	849 flexarray_set(dm_args, num++, "-videoram");
keir@20509	850 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	851 }
keir@20509	852 if (info->stdvga) {
keir@20516	853 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	854 }
keir@20509	855
keir@20509	856 if (info->boot) {
keir@20516	857 flexarray_set(dm_args, num++, "-boot");
keir@20516	858 flexarray_set(dm_args, num++, info->boot);
keir@20509	859 }
keir@20509	860 if (info->usb) {
keir@20516	861 flexarray_set(dm_args, num++, "-usb");
keir@20509	862 if (info->usbdevice) {
keir@20516	863 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	864 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	865 }
keir@20509	866 }
keir@20509	867 if (info->apic) {
keir@20516	868 flexarray_set(dm_args, num++, "-acpi");
keir@20509	869 }
keir@20509	870 for (i = 0; i < num_vifs; i++) {
keir@20509	871 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20780	872 char *smac = libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20780	873 vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
keir@20780	874 vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
keir@20781	875 if (!vifs[i].ifname)
keir@20781	876 vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
keir@20516	877 flexarray_set(dm_args, num++, "-net");
keir@20509	878 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20780	879 vifs[i].devid, smac, vifs[i].model));
keir@20516	880 flexarray_set(dm_args, num++, "-net");
keir@20509	881 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	882 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509	883 }
keir@20462	884 }
keir@20462	885 }
keir@20565	886 if (info->saved_state) {
keir@20565	887 flexarray_set(dm_args, num++, "-loadvm");
keir@20565	888 flexarray_set(dm_args, num++, info->saved_state);
keir@20565	889 }
keir@20509	890 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	891 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	892 flexarray_set(dm_args, num++, "-M");
keir@20509	893 if (info->type == XENPV)
keir@20516	894 flexarray_set(dm_args, num++, "xenpv");
keir@20509	895 else
keir@20516	896 flexarray_set(dm_args, num++, "xenfv");
keir@20462	897 flexarray_set(dm_args, num++, NULL);
keir@20462	898
keir@20462	899 return (char **) flexarray_contents(dm_args);
keir@20462	900 }
keir@20462	901
keir@20834	902 void dm_xenstore_record_pid(void *for_spawn, pid_t innerchild)
keir@20834	903 {
keir@20514	904 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	905 char *kvs[3];
keir@20820	906 int rc;
keir@20820	907 struct xs_handle *xsh;
keir@20514	908
keir@20820	909 xsh = xs_daemon_open();
keir@20514	910 /* we mustn't use the parent's handle in the child */
keir@20514	911
keir@20514	912 kvs[0] = "image/device-model-pid";
keir@21417	913 if (asprintf(&kvs[1], "%d", innerchild) < 0)
keir@21417	914 return;
keir@20514	915 kvs[2] = NULL;
keir@20820	916
keir@20820	917 rc = xs_writev(xsh, XBT_NULL, starting->dom_path, kvs);
keir@20820	918 if (rc)
keir@20820	919 return;
keir@20820	920 xs_daemon_close(xsh);
keir@20514	921 }
keir@20514	922
keir@20542	923 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	924 libxl_device_model_info *info,
keir@20542	925 libxl_device_vfb *vfb,
keir@20542	926 libxl_device_vkb *vkb)
keir@20542	927 {
keir@20542	928 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	929 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	930
keir@20542	931 vfb->backend_domid = 0;
keir@20542	932 vfb->devid = 0;
keir@20542	933 vfb->vnc = info->vnc;
keir@20542	934 vfb->vnclisten = info->vnclisten;
keir@20542	935 vfb->vncdisplay = info->vncdisplay;
keir@20542	936 vfb->vncunused = info->vncunused;
keir@21362	937 vfb->vncpasswd = info->vncpasswd;
keir@20542	938 vfb->keymap = info->keymap;
keir@20542	939 vfb->sdl = info->sdl;
keir@20542	940 vfb->opengl = info->opengl;
keir@20542	941
keir@20542	942 vkb->backend_domid = 0;
keir@20542	943 vkb->devid = 0;
keir@20542	944 return 0;
keir@20542	945 }
keir@20542	946
keir@20542	947 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	948 {
keir@20542	949 int i;
keir@20542	950 char *vm_path;
keir@20542	951 char dmargs, path;
keir@20542	952 int dmargs_size;
keir@20542	953 struct xs_permissions roperm[2];
keir@20542	954 xs_transaction_t t;
keir@20542	955
keir@20542	956 roperm[0].id = 0;
keir@20542	957 roperm[0].perms = XS_PERM_NONE;
keir@20542	958 roperm[1].id = domid;
keir@20542	959 roperm[1].perms = XS_PERM_READ;
keir@20542	960
keir@20542	961 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	962
keir@20542	963 i = 0;
keir@20542	964 dmargs_size = 0;
keir@20542	965 while (args[i] != NULL) {
keir@20542	966 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	967 i++;
keir@20542	968 }
keir@20542	969 dmargs_size++;
keir@20542	970 dmargs = (char *) malloc(dmargs_size);
keir@20542	971 i = 1;
keir@20542	972 dmargs[0] = '\0';
keir@20542	973 while (args[i] != NULL) {
keir@20542	974 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	975 strcat(dmargs, " ");
keir@20542	976 strcat(dmargs, args[i]);
keir@20542	977 }
keir@20542	978 i++;
keir@20542	979 }
keir@20542	980 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	981
keir@20542	982 retry_transaction:
keir@20542	983 t = xs_transaction_start(ctx->xsh);
keir@20542	984 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	985 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	986 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	987 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	988 if (errno == EAGAIN)
keir@20542	989 goto retry_transaction;
keir@20542	990 free(dmargs);
keir@20542	991 return 0;
keir@20542	992 }
keir@20542	993
keir@20542	994 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	995 libxl_device_model_info *info,
keir@20542	996 libxl_device_disk *disks, int num_disks,
keir@20542	997 libxl_device_nic *vifs, int num_vifs,
keir@20542	998 libxl_device_vfb *vfb,
keir@20542	999 libxl_device_vkb *vkb,
keir@20542	1000 libxl_device_model_starting **starting_r)
keir@20542	1001 {
keir@20843	1002 int i, num_console = 1, ret;
keir@20570	1003 libxl_device_console *console;
keir@20542	1004 libxl_domain_create_info c_info;
keir@20542	1005 libxl_domain_build_info b_info;
keir@20542	1006 libxl_domain_build_state state;
keir@20542	1007 uint32_t domid;
keir@20542	1008 char **args;
keir@20542	1009 struct xs_permissions perm[2];
keir@20542	1010 xs_transaction_t t;
keir@20594	1011 libxl_device_model_starting *dm_starting = 0;
keir@20542	1012
keir@20542	1013 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	1014 if (!args)
keir@20542	1015 return ERROR_FAIL;
keir@20542	1016
keir@20542	1017 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	1018 c_info.hvm = 0;
keir@20542	1019 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20801	1020 for (i = 0; i < 16; i++)
keir@20801	1021 c_info.uuid[i] = info->uuid[i];
keir@20542	1022
keir@20542	1023 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	1024 b_info.max_vcpus = 1;
keir@20542	1025 b_info.max_memkb = 32 * 1024;
keir@20647	1026 b_info.target_memkb = b_info.max_memkb;
keir@21353	1027 b_info.kernel = libxl_abs_path(ctx, "ioemu-stubdom.gz", libxl_xenfirmwaredir_path());
keir@20542	1028 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542	1029 b_info.u.pv.ramdisk = "";
keir@20542	1030 b_info.u.pv.features = "";
keir@20542	1031 b_info.hvm = 0;
keir@20542	1032
keir@20843	1033 ret = libxl_domain_make(ctx, &c_info, &domid);
keir@20843	1034 if (ret) return ret;
keir@20843	1035 ret = libxl_domain_build(ctx, &b_info, domid, &state);
keir@20843	1036 if (ret) return ret;
keir@20542	1037
keir@20542	1038 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20843	1039 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1040 libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)),
keir@20843	1041 "%d", domid);
keir@20843	1042 libxl_xs_write(ctx, XBT_NULL,
keir@20843	1043 libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)),
keir@20843	1044 "%d", info->domid);
keir@20542	1045 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542	1046 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	1047
keir@20542	1048 perm[0].id = domid;
keir@20542	1049 perm[0].perms = XS_PERM_NONE;
keir@20542	1050 perm[1].id = info->domid;
keir@20542	1051 perm[1].perms = XS_PERM_READ;
keir@20542	1052 retry_transaction:
keir@20542	1053 t = xs_transaction_start(ctx->xsh);
keir@20542	1054 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	1055 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20635	1056 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs", domid));
keir@20635	1057 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/%d/device/vfs",domid), perm, ARRAY_SIZE(perm));
keir@20542	1058 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1059 if (errno == EAGAIN)
keir@20542	1060 goto retry_transaction;
keir@20542	1061
keir@20542	1062 for (i = 0; i < num_disks; i++) {
keir@20781	1063 disks[i].domid = domid;
keir@20843	1064 ret = libxl_device_disk_add(ctx, domid, &disks[i]);
keir@20843	1065 if (ret) return ret;
keir@20542	1066 }
keir@20542	1067 for (i = 0; i < num_vifs; i++) {
keir@20781	1068 vifs[i].domid = domid;
keir@20843	1069 ret = libxl_device_nic_add(ctx, domid, &vifs[i]);
keir@20843	1070 if (ret) return ret;
keir@20542	1071 }
keir@20781	1072 vfb->domid = domid;
keir@20843	1073 ret = libxl_device_vfb_add(ctx, domid, vfb);
keir@20843	1074 if (ret) return ret;
keir@20781	1075 vkb->domid = domid;
keir@20843	1076 ret = libxl_device_vkb_add(ctx, domid, vkb);
keir@20843	1077 if (ret) return ret;
keir@20542	1078
keir@20570	1079 if (info->serial)
keir@20570	1080 num_console++;
keir@20843	1081
keir@20570	1082 console = libxl_calloc(ctx, num_console, sizeof(libxl_device_console));
keir@20843	1083 if (!console)
keir@20843	1084 return ERROR_NOMEM;
keir@20843	1085
keir@20570	1086 for (i = 0; i < num_console; i++) {
keir@20781	1087 console[i].devid = i;
keir@20781	1088 console[i].constype = CONSTYPE_IOEMU;
keir@20781	1089 console[i].domid = domid;
keir@20570	1090 if (!i)
keir@20781	1091 console[i].build_state = &state;
keir@20843	1092 ret = libxl_device_console_add(ctx, domid, &console[i]);
keir@20843	1093 if (ret) return ret;
keir@20570	1094 }
keir@20594	1095 if (libxl_create_xenpv_qemu(ctx, vfb, num_console, console, &dm_starting) < 0) {
keir@20594	1096 free(args);
keir@20594	1097 return -1;
keir@20594	1098 }
keir@20594	1099 if (libxl_confirm_device_model_startup(ctx, dm_starting) < 0) {
keir@20594	1100 free(args);
keir@20594	1101 return -1;
keir@20594	1102 }
keir@20542	1103
keir@20542	1104 libxl_domain_unpause(ctx, domid);
keir@20542	1105
keir@20594	1106 if (starting_r) {
keir@20594	1107 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20598	1108 (*starting_r)->domid = info->domid;
keir@20594	1109 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1110 (*starting_r)->for_spawn = NULL;
keir@20594	1111 }
keir@20594	1112
keir@20542	1113 free(args);
keir@20542	1114 return 0;
keir@20542	1115 }
keir@20542	1116
keir@20462	1117 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	1118 libxl_device_model_info *info,
keir@20542	1119 libxl_device_disk *disks, int num_disks,
keir@20514	1120 libxl_device_nic *vifs, int num_vifs,
keir@20514	1121 libxl_device_model_starting **starting_r)
keir@20462	1122 {
keir@20546	1123 char path, logfile;
keir@20514	1124 int logfile_w, null;
keir@20546	1125 int rc;
keir@20462	1126 char **args;
keir@20594	1127 struct libxl_device_model_starting buf_starting, *p;
keir@21362	1128 xs_transaction_t t;
keir@21362	1129 char *vm_path;
keir@21362	1130 char **pass_stuff;
keir@20514	1131
keir@20542	1132 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	1133 libxl_device_vfb vfb;
keir@20542	1134 libxl_device_vkb vkb;
keir@20542	1135
keir@20542	1136 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	1137 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	1138 }
keir@20542	1139
keir@20462	1140 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	1141 if (!args)
keir@20462	1142 return ERROR_FAIL;
keir@20462	1143
keir@20462	1144 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	1145 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462	1146
keir@20546	1147 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	1148 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	1149 free(logfile);
keir@20462	1150 null = open("/dev/null", O_RDONLY);
keir@20514	1151
keir@20514	1152 if (starting_r) {
keir@20516	1153 rc = ERROR_NOMEM;
keir@20594	1154 *starting_r = libxl_calloc(ctx, sizeof(libxl_device_model_starting), 1);
keir@20516	1155 if (!*starting_r) goto xit;
keir@20594	1156 p = *starting_r;
keir@20611	1157 p->for_spawn = libxl_calloc(ctx, sizeof(struct libxl_spawn_starting), 1);
keir@20594	1158 } else {
keir@20594	1159 p = &buf_starting;
keir@20594	1160 p->for_spawn = NULL;
keir@20594	1161 }
keir@20514	1162
keir@20594	1163 p->domid = info->domid;
keir@20594	1164 p->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20594	1165 if (!p->dom_path) { libxl_free(ctx, p); return ERROR_FAIL; }
keir@20594	1166
keir@21362	1167 if (info->vncpasswd) {
keir@21362	1168 retry_transaction:
keir@21362	1169 /* Find uuid and the write the vnc password to xenstore for qemu. */
keir@21362	1170 t = xs_transaction_start(ctx->xsh);
keir@21362	1171 vm_path = libxl_xs_read(ctx,t,libxl_sprintf(ctx, "%s/vm", p->dom_path));
keir@21362	1172 if (vm_path) {
keir@21362	1173 /* Now write the vncpassword into it. */
keir@21362	1174 pass_stuff = libxl_calloc(ctx, 2, sizeof(char *));
keir@21362	1175 pass_stuff[0] = "vncpasswd";
keir@21362	1176 pass_stuff[1] = info->vncpasswd;
keir@21362	1177 libxl_xs_writev(ctx,t,vm_path,pass_stuff);
keir@21362	1178 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@21362	1179 if (errno == EAGAIN)
keir@21362	1180 goto retry_transaction;
keir@21362	1181 }
keir@21362	1182 }
keir@21362	1183
keir@20594	1184 rc = libxl_spawn_spawn(ctx, p, "device model", dm_xenstore_record_pid);
keir@20514	1185 if (rc < 0) goto xit;
keir@20514	1186 if (!rc) { /* inner child */
keir@20833	1187 libxl_exec(null, logfile_w, logfile_w,
keir@21353	1188 libxl_abs_path(ctx, info->device_model, libxl_private_bindir_path()),
keir@21353	1189 args);
keir@20514	1190 }
keir@20514	1191
keir@20514	1192 rc = 0;
keir@20514	1193 xit:
keir@20516	1194 free(args);
keir@20462	1195 close(null);
keir@20462	1196 close(logfile_w);
keir@20462	1197
keir@20514	1198 return rc;
keir@20514	1199 }
keir@20514	1200
keir@20514	1201 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20779	1202 libxl_device_model_starting *starting)
keir@20779	1203 {
keir@20514	1204 int rc;
keir@20594	1205 rc = libxl_spawn_detach(ctx, starting->for_spawn);
keir@20594	1206 if (starting->for_spawn) libxl_free(ctx, starting->for_spawn);
keir@20514	1207 libxl_free(ctx, starting);
keir@20514	1208 return rc;
keir@20514	1209 }
keir@20462	1210
keir@20514	1211
keir@20514	1212 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20779	1213 libxl_device_model_starting *starting)
keir@20779	1214 {
keir@20514	1215 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	1216 libxl_spawn_check,
keir@20594	1217 starting->for_spawn);
keir@20514	1218 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	1219 return problem ? problem : detach;
keir@20542	1220 return 0;
keir@20462	1221 }
keir@20462	1222
keir@20514	1223
keir@20462	1224 /******************************************************************************/
keir@20566	1225
keir@20566	1226 static int is_blktap2_supported(void)
keir@20566	1227 {
keir@20566	1228 char buf[1024];
keir@20566	1229 FILE *f = fopen("/proc/devices", "r");
keir@20566	1230
keir@20566	1231
keir@20566	1232 while (fgets(buf, sizeof(buf), f) != NULL) {
keir@20566	1233 if (strstr(buf, "blktap2")) {
keir@20566	1234 fclose(f);
keir@20566	1235 return 1;
keir@20566	1236 }
keir@20566	1237 }
keir@20566	1238 fclose(f);
keir@20566	1239 return 0;
keir@20566	1240 }
keir@20566	1241
keir@20566	1242 static char get_blktap2_device(struct libxl_ctx ctx, char name, char type)
keir@20566	1243 {
keir@20566	1244 char buf[1024];
keir@20566	1245 char *p;
keir@20566	1246 int devnum;
keir@20566	1247 FILE *f = fopen("/sys/class/blktap2/devices", "r");
keir@20566	1248
keir@20566	1249
keir@20566	1250 while (!feof(f)) {
keir@20566	1251 fscanf(f, "%d %s", &devnum, buf);
keir@20566	1252 p = strchr(buf, ':');
keir@20571	1253 if (p == NULL)
keir@20571	1254 continue;
keir@20566	1255 p++;
keir@20566	1256 if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
keir@20566	1257 fclose(f);
keir@20566	1258 return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", devnum);
keir@20566	1259 }
keir@20566	1260 }
keir@20566	1261 fclose(f);
keir@20566	1262 return NULL;
keir@20566	1263 }
keir@20566	1264
keir@20462	1265 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	1266 {
keir@20462	1267 flexarray_t *front;
keir@20462	1268 flexarray_t *back;
keir@20462	1269 char *backend_type;
keir@20462	1270 unsigned int boffset = 0;
keir@20462	1271 unsigned int foffset = 0;
keir@20462	1272 int devid;
keir@20462	1273 libxl_device device;
keir@20566	1274 int major, minor;
keir@20462	1275
keir@20462	1276 front = flexarray_make(16, 1);
keir@20462	1277 if (!front)
keir@20462	1278 return ERROR_NOMEM;
keir@20462	1279 back = flexarray_make(16, 1);
keir@20462	1280 if (!back) /* leaks front if error */
keir@20462	1281 return ERROR_NOMEM;
keir@20462	1282
keir@20462	1283 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	1284 devid = device_disk_dev_number(disk->virtpath);
keir@20947	1285 if (devid==-1) {
keir@20947	1286 XL_LOG(ctx, XL_LOG_ERROR, "Invalid or unuspported"
keir@20947	1287 " virtual disk identifier %s", disk->virtpath);
keir@20947	1288 return ERROR_INVAL;
keir@20947	1289 }
keir@20462	1290
keir@20462	1291 device.backend_devid = devid;
keir@20462	1292 device.backend_domid = disk->backend_domid;
keir@20462	1293 device.devid = devid;
keir@20462	1294 device.domid = disk->domid;
keir@20462	1295 device.kind = DEVICE_VBD;
keir@20462	1296
keir@20462	1297 switch (disk->phystype) {
keir@20462	1298 case PHYSTYPE_PHY: {
keir@20462	1299
keir@20509	1300 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	1301 flexarray_set(back, boffset++, "physical-device");
keir@20462	1302 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	1303
keir@20516	1304 flexarray_set(back, boffset++, "params");
keir@20516	1305 flexarray_set(back, boffset++, disk->physpath);
keir@20462	1306
keir@20462	1307 device.backend_kind = DEVICE_VBD;
keir@20462	1308 break;
keir@20462	1309 }
keir@20566	1310 case PHYSTYPE_FILE:
keir@20566	1311 /* let's pretend is tap:aio for the moment */
keir@20566	1312 disk->phystype = PHYSTYPE_AIO;
keir@20462	1313 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20566	1314 if (is_blktap2_supported()) {
keir@20566	1315 int rc, c, p[2], tot;
keir@20566	1316 char buf[1024], *dev;
keir@20779	1317 dev = get_blktap2_device(ctx, disk->physpath, device_disk_string_of_phystype(disk->phystype));
keir@20779	1318 if (dev == NULL) {
keir@21185	1319 rc= libxl_pipe(ctx, p); if (rc==-1) return -1;
keir@21185	1320 rc= libxl_fork(ctx); if (rc==-1) return -1;
keir@21185	1321 if (!rc) { /* child */
keir@20566	1322 int null_r, null_w;
keir@20566	1323 char *args[4];
keir@20566	1324 args[0] = "tapdisk2";
keir@20566	1325 args[1] = "-n";
keir@20566	1326 args[2] = libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath);
keir@20566	1327 args[3] = NULL;
keir@20566	1328
keir@20566	1329 null_r = open("/dev/null", O_RDONLY);
keir@20566	1330 null_w = open("/dev/null", O_WRONLY);
keir@21376	1331 libxl_exec(null_r, p[1], null_w,
keir@21376	1332 libxl_abs_path(ctx, "tapdisk2",
keir@21376	1333 libxl_sbindir_path()),
keir@21376	1334 args);
keir@20566	1335 XL_LOG(ctx, XL_LOG_ERROR, "Error execing tapdisk2");
keir@20566	1336 }
keir@20566	1337 close(p[1]);
keir@20566	1338 tot = 0;
keir@20566	1339 while ((c = read(p[0], buf + tot, sizeof(buf) - tot)) > 0)
keir@20566	1340 tot = tot + c;
keir@20566	1341 close(p[0]);
keir@20566	1342 buf[tot - 1] = '\0';
keir@20566	1343 dev = buf;
keir@20566	1344 }
keir@20566	1345 flexarray_set(back, boffset++, "tapdisk-params");
keir@20566	1346 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s", device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20566	1347 flexarray_set(back, boffset++, "params");
keir@20566	1348 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s", dev));
keir@20566	1349 backend_type = "phy";
keir@20566	1350 device_physdisk_major_minor(dev, &major, &minor);
keir@20566	1351 flexarray_set(back, boffset++, "physical-device");
keir@20566	1352 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20566	1353 device.backend_kind = DEVICE_VBD;
keir@20566	1354
keir@20566	1355 break;
keir@20566	1356 }
keir@20516	1357 flexarray_set(back, boffset++, "params");
keir@20462	1358 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	1359 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	1360
keir@20462	1361 device.backend_kind = DEVICE_TAP;
keir@20462	1362 break;
keir@20846	1363 default:
keir@20846	1364 XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n", disk->phystype);
keir@20846	1365 return ERROR_INVAL;
keir@20462	1366 }
keir@20462	1367
keir@20516	1368 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1369 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	1370 flexarray_set(back, boffset++, "online");
keir@20516	1371 flexarray_set(back, boffset++, "1");
keir@20516	1372 flexarray_set(back, boffset++, "removable");
keir@20462	1373 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	1374 flexarray_set(back, boffset++, "bootable");
keir@20509	1375 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1376 flexarray_set(back, boffset++, "state");
keir@20462	1377 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1378 flexarray_set(back, boffset++, "dev");
keir@20516	1379 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	1380 flexarray_set(back, boffset++, "type");
keir@20516	1381 flexarray_set(back, boffset++, backend_type);
keir@20516	1382 flexarray_set(back, boffset++, "mode");
keir@20516	1383 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	1384
keir@20516	1385 flexarray_set(front, foffset++, "backend-id");
keir@20462	1386 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	1387 flexarray_set(front, foffset++, "state");
keir@20462	1388 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1389 flexarray_set(front, foffset++, "virtual-device");
keir@20462	1390 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	1391 flexarray_set(front, foffset++, "device-type");
keir@20516	1392 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	1393
keir@20462	1394 if (0 /* protocol != native*/) {
keir@20516	1395 flexarray_set(front, foffset++, "protocol");
keir@20516	1396 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1397 }
keir@20462	1398
keir@20462	1399 libxl_device_generic_add(ctx, &device,
keir@20462	1400 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1401 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1402 flexarray_free(back);
keir@20516	1403 flexarray_free(front);
keir@20462	1404 return 0;
keir@20462	1405 }
keir@20462	1406
keir@20626	1407 int libxl_device_disk_del(struct libxl_ctx *ctx,
keir@20626	1408 libxl_device_disk *disk, int wait)
keir@20462	1409 {
keir@20626	1410 libxl_device device;
keir@20626	1411 int devid;
keir@20462	1412
keir@20626	1413 devid = device_disk_dev_number(disk->virtpath);
keir@20626	1414 device.backend_domid = disk->backend_domid;
keir@20626	1415 device.backend_devid = devid;
keir@20626	1416 device.backend_kind =
keir@20626	1417 (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
keir@20626	1418 device.domid = disk->domid;
keir@20626	1419 device.devid = devid;
keir@20626	1420 device.kind = DEVICE_VBD;
keir@20626	1421 return libxl_device_del(ctx, &device, wait);
keir@20462	1422 }
keir@20462	1423
keir@20462	1424 /******************************************************************************/
keir@20462	1425 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	1426 {
keir@20462	1427 flexarray_t *front;
keir@20462	1428 flexarray_t *back;
keir@20462	1429 unsigned int boffset = 0;
keir@20462	1430 unsigned int foffset = 0;
keir@20462	1431 libxl_device device;
keir@21407	1432 char dompath, *l;
keir@21407	1433 unsigned int nb;
keir@20462	1434
keir@20462	1435 front = flexarray_make(16, 1);
keir@20462	1436 if (!front)
keir@20462	1437 return ERROR_NOMEM;
keir@20462	1438 back = flexarray_make(16, 1);
keir@20462	1439 if (!back)
keir@20462	1440 return ERROR_NOMEM;
keir@20462	1441
keir@21407	1442 if (nic->devid == -1) {
keir@21407	1443 if (!(dompath = libxl_xs_get_dompath(ctx, domid))) {
keir@21407	1444 return ERROR_FAIL;
keir@21407	1445 }
keir@21407	1446 if (!(l = libxl_xs_directory(ctx, XBT_NULL,
keir@21407	1447 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb))) {
keir@21407	1448 nic->devid = 0;
keir@21407	1449 } else {
keir@21407	1450 nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
keir@21407	1451 libxl_free(ctx, l);
keir@21407	1452 }
keir@21407	1453 }
keir@21407	1454
keir@20462	1455 device.backend_devid = nic->devid;
keir@20462	1456 device.backend_domid = nic->backend_domid;
keir@20462	1457 device.backend_kind = DEVICE_VIF;
keir@20462	1458 device.devid = nic->devid;
keir@20462	1459 device.domid = nic->domid;
keir@20462	1460 device.kind = DEVICE_VIF;
keir@20462	1461
keir@20516	1462 flexarray_set(back, boffset++, "frontend-id");
keir@20462	1463 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	1464 flexarray_set(back, boffset++, "online");
keir@20516	1465 flexarray_set(back, boffset++, "1");
keir@20516	1466 flexarray_set(back, boffset++, "state");
keir@20462	1467 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1468 flexarray_set(back, boffset++, "script");
keir@20516	1469 flexarray_set(back, boffset++, nic->script);
keir@20516	1470 flexarray_set(back, boffset++, "mac");
keir@20462	1471 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1472 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1473 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516	1474 flexarray_set(back, boffset++, "handle");
keir@20462	1475 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	1476
keir@20516	1477 flexarray_set(front, foffset++, "backend-id");
keir@20462	1478 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1479 flexarray_set(front, foffset++, "state");
keir@20462	1480 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1481 flexarray_set(front, foffset++, "handle");
keir@20462	1482 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1483 flexarray_set(front, foffset++, "mac");
keir@20462	1484 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1485 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1486 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1487 if (0 /* protocol != native*/) {
keir@20516	1488 flexarray_set(front, foffset++, "protocol");
keir@20516	1489 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1490 }
keir@20462	1491
keir@20462	1492 libxl_device_generic_add(ctx, &device,
keir@20462	1493 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1494 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1495
keir@20462	1496 /* FIXME: wait for plug */
keir@20516	1497 flexarray_free(back);
keir@20516	1498 flexarray_free(front);
keir@20462	1499 return 0;
keir@20462	1500 }
keir@20462	1501
keir@20626	1502 int libxl_device_nic_del(struct libxl_ctx *ctx,
keir@20626	1503 libxl_device_nic *nic, int wait)
keir@20462	1504 {
keir@20626	1505 libxl_device device;
keir@20462	1506
keir@20626	1507 device.backend_devid = nic->devid;
keir@20626	1508 device.backend_domid = nic->backend_domid;
keir@20626	1509 device.backend_kind = DEVICE_VIF;
keir@20626	1510 device.devid = nic->devid;
keir@20626	1511 device.domid = nic->domid;
keir@20626	1512 device.kind = DEVICE_VIF;
keir@20626	1513
keir@20626	1514 return libxl_device_del(ctx, &device, wait);
keir@20462	1515 }
keir@20462	1516
keir@21408	1517 libxl_nicinfo libxl_list_nics(struct libxl_ctx ctx, uint32_t domid, unsigned int *nb)
keir@21408	1518 {
keir@21408	1519 char dompath, nic_path_fe;
keir@21408	1520 char **l;
keir@21408	1521 char val, tok;
keir@21408	1522 unsigned int nb_nics, i;
keir@21408	1523 libxl_nicinfo res, nics;
keir@21408	1524
keir@21408	1525 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21408	1526 if (!dompath) {
keir@21408	1527 return NULL;
keir@21408	1528 }
keir@21408	1529 l = libxl_xs_directory(ctx, XBT_NULL,
keir@21408	1530 libxl_sprintf(ctx, "%s/device/vif", dompath), &nb_nics);
keir@21408	1531 if (!l) {
keir@21408	1532 return NULL;
keir@21408	1533 }
keir@21408	1534 res = libxl_calloc(ctx, nb_nics, sizeof (libxl_device_nic));
keir@21408	1535 if (!res) {
keir@21408	1536 libxl_free(ctx, l);
keir@21408	1537 return NULL;
keir@21408	1538 }
keir@21408	1539 nics = res;
keir@21408	1540 for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
keir@21408	1541 nic_path_fe = libxl_sprintf(ctx, "%s/device/vif/%s", dompath, *l);
keir@21408	1542
keir@21408	1543 nics->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1544 libxl_sprintf(ctx, "%s/backend", nic_path_fe));
keir@21408	1545 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", nic_path_fe));
keir@21408	1546 nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1547
keir@21408	1548 nics->devid = strtoul(*l, NULL, 10);
keir@21408	1549 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", nic_path_fe));
keir@21408	1550 nics->state = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1551 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac", nic_path_fe));
keir@21408	1552 for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
keir@21408	1553 ++i, tok = strtok(NULL, ":")) {
keir@21408	1554 nics->mac[i] = strtoul(tok, NULL, 16);
keir@21408	1555 }
keir@21408	1556 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", nic_path_fe));
keir@21408	1557 nics->evtch = val ? strtol(val, NULL, 10) : -1;
keir@21408	1558 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/tx-ring-ref", nic_path_fe));
keir@21408	1559 nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1560 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/rx-ring-ref", nic_path_fe));
keir@21408	1561 nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
keir@21408	1562 nics->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1563 libxl_sprintf(ctx, "%s/frontend", nics->backend));
keir@21408	1564 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", nics->backend));
keir@21408	1565 nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21408	1566 nics->script = libxl_xs_read(ctx, XBT_NULL,
keir@21408	1567 libxl_sprintf(ctx, "%s/script", nics->backend));
keir@21408	1568
keir@21408	1569 libxl_free(ctx, nic_path_fe);
keir@21408	1570 }
keir@21408	1571
keir@21408	1572 libxl_free(ctx, l);
keir@21408	1573 return res;
keir@21408	1574 }
keir@21408	1575
keir@21408	1576
keir@20462	1577 /******************************************************************************/
keir@20509	1578 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1579 {
keir@20509	1580 flexarray_t *front;
keir@20509	1581 flexarray_t *back;
keir@20509	1582 unsigned int boffset = 0;
keir@20509	1583 unsigned int foffset = 0;
keir@20509	1584 libxl_device device;
keir@20509	1585
keir@20509	1586 if (console->build_state) {
keir@20509	1587 xs_transaction_t t;
keir@20509	1588 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1589 ents[0] = "console/port";
keir@20509	1590 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1591 ents[2] = "console/ring-ref";
keir@20509	1592 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1593 ents[4] = "console/limit";
keir@20509	1594 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1595 ents[6] = "console/type";
keir@20509	1596 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1597 ents[7] = "xenconsoled";
keir@20509	1598 else
keir@20509	1599 ents[7] = "ioemu";
keir@20509	1600 retry_transaction:
keir@20509	1601 t = xs_transaction_start(ctx->xsh);
keir@20516	1602 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1603 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1604 if (errno == EAGAIN)
keir@20509	1605 goto retry_transaction;
keir@20509	1606 }
keir@20509	1607
keir@20509	1608 front = flexarray_make(16, 1);
keir@20509	1609 if (!front)
keir@20509	1610 return ERROR_NOMEM;
keir@20509	1611 back = flexarray_make(16, 1);
keir@20509	1612 if (!back)
keir@20509	1613 return ERROR_NOMEM;
keir@20509	1614
keir@20509	1615 device.backend_devid = console->devid;
keir@20509	1616 device.backend_domid = console->backend_domid;
keir@20509	1617 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1618 device.devid = console->devid;
keir@20509	1619 device.domid = console->domid;
keir@20509	1620 device.kind = DEVICE_CONSOLE;
keir@20509	1621
keir@20516	1622 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1623 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1624 flexarray_set(back, boffset++, "online");
keir@20516	1625 flexarray_set(back, boffset++, "1");
keir@20516	1626 flexarray_set(back, boffset++, "state");
keir@20509	1627 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1628 flexarray_set(back, boffset++, "domain");
keir@20516	1629 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1630 flexarray_set(back, boffset++, "protocol");
keir@20516	1631 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1632
keir@20516	1633 flexarray_set(front, foffset++, "backend-id");
keir@20509	1634 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1635 flexarray_set(front, foffset++, "state");
keir@20509	1636 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1637 flexarray_set(front, foffset++, "limit");
keir@20509	1638 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1639 flexarray_set(front, foffset++, "protocol");
keir@20516	1640 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1641 flexarray_set(front, foffset++, "type");
keir@20509	1642 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1643 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1644 else
keir@20516	1645 flexarray_set(front, foffset++, "ioemu");
keir@20509	1646
keir@20509	1647 libxl_device_generic_add(ctx, &device,
keir@20509	1648 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1649 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1650 flexarray_free(back);
keir@20516	1651 flexarray_free(front);
keir@20509	1652
keir@20509	1653 return 0;
keir@20509	1654 }
keir@20509	1655
keir@20509	1656 /******************************************************************************/
keir@20509	1657 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1658 {
keir@20509	1659 flexarray_t *front;
keir@20509	1660 flexarray_t *back;
keir@20509	1661 unsigned int boffset = 0;
keir@20509	1662 unsigned int foffset = 0;
keir@20509	1663 libxl_device device;
keir@20509	1664
keir@20509	1665 front = flexarray_make(16, 1);
keir@20509	1666 if (!front)
keir@20509	1667 return ERROR_NOMEM;
keir@20509	1668 back = flexarray_make(16, 1);
keir@20509	1669 if (!back)
keir@20509	1670 return ERROR_NOMEM;
keir@20509	1671
keir@20509	1672 device.backend_devid = vkb->devid;
keir@20509	1673 device.backend_domid = vkb->backend_domid;
keir@20509	1674 device.backend_kind = DEVICE_VKBD;
keir@20509	1675 device.devid = vkb->devid;
keir@20509	1676 device.domid = vkb->domid;
keir@20509	1677 device.kind = DEVICE_VKBD;
keir@20509	1678
keir@20516	1679 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1680 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1681 flexarray_set(back, boffset++, "online");
keir@20516	1682 flexarray_set(back, boffset++, "1");
keir@20516	1683 flexarray_set(back, boffset++, "state");
keir@20509	1684 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1685 flexarray_set(back, boffset++, "domain");
keir@20516	1686 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	1687
keir@20516	1688 flexarray_set(front, foffset++, "backend-id");
keir@20509	1689 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	1690 flexarray_set(front, foffset++, "state");
keir@20509	1691 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1692
keir@20509	1693 libxl_device_generic_add(ctx, &device,
keir@20509	1694 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1695 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1696 flexarray_free(back);
keir@20516	1697 flexarray_free(front);
keir@20509	1698
keir@20509	1699 return 0;
keir@20462	1700 }
keir@20462	1701
keir@20462	1702 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1703 {
keir@20462	1704 return ERROR_NI;
keir@20462	1705 }
keir@20462	1706
keir@20462	1707 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1708 {
keir@20462	1709 return ERROR_NI;
keir@20462	1710 }
keir@20462	1711
keir@20637	1712 libxl_device_disk libxl_device_disk_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20637	1713 {
keir@20637	1714 char be_path_tap, be_path_vbd;
keir@21411	1715 libxl_device_disk dend, disks, *ret = NULL;
keir@21411	1716 char b, l = NULL;
keir@20637	1717 unsigned int numl;
keir@20637	1718 char *type;
keir@20637	1719
keir@20637	1720 be_path_vbd = libxl_sprintf(ctx, "%s/backend/vbd/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	1721 be_path_tap = libxl_sprintf(ctx, "%s/backend/tap/%d", libxl_xs_get_dompath(ctx, 0), domid);
keir@20637	1722
keir@21411	1723 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_vbd, &numl);
keir@20637	1724 if (l) {
keir@21411	1725 ret = realloc(ret, sizeof(libxl_device_disk) * numl);
keir@21411	1726 disks = ret;
keir@21411	1727 *num = numl;
keir@21411	1728 dend = ret + *num;
keir@21411	1729 for (; disks < dend; ++disks, ++l) {
keir@21411	1730 disks->backend_domid = 0;
keir@21411	1731 disks->domid = domid;
keir@21411	1732 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_vbd, *l));
keir@21411	1733 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	1734 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_vbd, *l));
keir@21411	1735 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_vbd, *l)));
keir@21411	1736 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_vbd, *l)), "w"))
keir@21411	1737 disks->readwrite = 1;
keir@20637	1738 else
keir@21411	1739 disks->readwrite = 0;
keir@21411	1740 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	1741 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	1742 }
keir@21411	1743 libxl_free(ctx, b);
keir@20637	1744 }
keir@21411	1745 b = l = libxl_xs_directory(ctx, XBT_NULL, be_path_tap, &numl);
keir@20637	1746 if (l) {
keir@21411	1747 ret = realloc(ret, sizeof(libxl_device_disk) * (*num + numl));
keir@21411	1748 disks = ret + *num;
keir@21411	1749 *num += numl;
keir@21411	1750 for (dend = ret + *num; disks < dend; ++disks, ++l) {
keir@21411	1751 disks->backend_domid = 0;
keir@21411	1752 disks->domid = domid;
keir@21411	1753 disks->physpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/params", be_path_tap, *l));
keir@21411	1754 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	1755 disks->virtpath = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/dev", be_path_tap, *l));
keir@21411	1756 disks->unpluggable = atoi(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/removable", be_path_tap, *l)));
keir@21411	1757 if (!strcmp(libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/%s/mode", be_path_tap, *l)), "w"))
keir@21411	1758 disks->readwrite = 1;
keir@20637	1759 else
keir@21411	1760 disks->readwrite = 0;
keir@21411	1761 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	1762 disks->is_cdrom = !strcmp(type, "cdrom");
keir@20637	1763 }
keir@21411	1764 libxl_free(ctx, b);
keir@20637	1765 }
keir@21411	1766 return ret;
keir@21411	1767 }
keir@21411	1768
keir@21411	1769 int libxl_device_disk_getinfo(struct libxl_ctx *ctx, uint32_t domid,
keir@21411	1770 libxl_device_disk disk, libxl_diskinfo diskinfo)
keir@21411	1771 {
keir@21411	1772 char dompath, diskpath;
keir@21411	1773 char *val;
keir@21411	1774
keir@21411	1775 dompath = libxl_xs_get_dompath(ctx, domid);
keir@21411	1776 diskinfo->devid = device_disk_dev_number(disk->virtpath);
keir@21411	1777
keir@21411	1778 /* tap devices entries in xenstore are written as vbd devices. */
keir@21411	1779 diskpath = libxl_sprintf(ctx, "%s/device/vbd/%d", dompath, diskinfo->devid);
keir@21411	1780 diskinfo->backend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	1781 libxl_sprintf(ctx, "%s/backend", diskpath));
keir@21411	1782 if (!diskinfo->backend) {
keir@21411	1783 return ERROR_FAIL;
keir@21411	1784 }
keir@21411	1785 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id", diskpath));
keir@21411	1786 diskinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1787 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state", diskpath));
keir@21411	1788 diskinfo->state = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1789 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/event-channel", diskpath));
keir@21411	1790 diskinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1791 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/ring-ref", diskpath));
keir@21411	1792 diskinfo->rref = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1793 diskinfo->frontend = libxl_xs_read(ctx, XBT_NULL,
keir@21411	1794 libxl_sprintf(ctx, "%s/frontend", diskinfo->backend));
keir@21411	1795 val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend-id", diskinfo->backend));
keir@21411	1796 diskinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
keir@21411	1797
keir@21411	1798 return 0;
keir@20637	1799 }
keir@20637	1800
keir@20637	1801 int libxl_cdrom_insert(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20637	1802 {
keir@20637	1803 int num, i;
keir@20637	1804 uint32_t stubdomid;
keir@20637	1805 libxl_device_disk *disks;
keir@20637	1806
keir@20637	1807 if (!disk->physpath) {
keir@20637	1808 disk->physpath = "";
keir@20637	1809 disk->phystype = PHYSTYPE_PHY;
keir@20637	1810 }
keir@20637	1811 disks = libxl_device_disk_list(ctx, domid, &num);
keir@20637	1812 for (i = 0; i < num; i++) {
keir@20637	1813 if (disks[i].is_cdrom && !strcmp(disk->virtpath, disks[i].virtpath))
keir@20637	1814 /* found */
keir@20637	1815 break;
keir@20637	1816 }
keir@20637	1817 if (i == num) {
keir@20637	1818 XL_LOG(ctx, XL_LOG_ERROR, "Virtual device not found");
keir@20637	1819 return -1;
keir@20637	1820 }
keir@20637	1821 libxl_device_disk_del(ctx, disks + i, 1);
keir@20637	1822 libxl_device_disk_add(ctx, domid, disk);
keir@20637	1823 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20637	1824 if (stubdomid) {
keir@20781	1825 disks[i].domid = stubdomid;
keir@20637	1826 libxl_device_disk_del(ctx, disks + i, 1);
keir@20781	1827 disk->domid = stubdomid;
keir@20637	1828 libxl_device_disk_add(ctx, stubdomid, disk);
keir@20781	1829 disk->domid = domid;
keir@20637	1830 }
keir@20637	1831 return 0;
keir@20637	1832 }
keir@20637	1833
keir@20462	1834 /******************************************************************************/
keir@20509	1835 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	1836 libxl_device_vfb *vfb,
keir@20509	1837 int num_console,
keir@20509	1838 libxl_device_console *console,
keir@20860	1839 libxl_device_model_info *info)
keir@20860	1840 {
keir@20509	1841 int i = 0, j = 0, num = 0;
keir@20509	1842 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	1843
keir@20509	1844 info->vnc = vfb->vnc;
keir@20509	1845 if (vfb->vnclisten)
keir@20509	1846 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509	1847 info->vncdisplay = vfb->vncdisplay;
keir@20509	1848 info->vncunused = vfb->vncunused;
keir@21362	1849 if (vfb->vncpasswd)
keir@21362	1850 info->vncpasswd = vfb->vncpasswd;
keir@20509	1851 if (vfb->keymap)
keir@20509	1852 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509	1853 info->sdl = vfb->sdl;
keir@20509	1854 info->opengl = vfb->opengl;
keir@20509	1855 for (i = 0; i < num_console; i++) {
keir@20509	1856 if (console->constype == CONSTYPE_IOEMU)
keir@20509	1857 num++;
keir@20509	1858 }
keir@20509	1859 if (num > 0) {
keir@20860	1860 uint32_t guest_domid;
keir@20860	1861 if (libxl_is_stubdom(ctx, vfb->domid, &guest_domid)) {
keir@20599	1862 char *filename;
keir@20599	1863 char *name = libxl_sprintf(ctx, "qemu-dm-%s", libxl_domid_to_name(ctx, guest_domid));
keir@20599	1864 libxl_create_logfile(ctx, name, &filename);
keir@20599	1865 info->serial = libxl_sprintf(ctx, "file:%s", filename);
keir@20599	1866 free(filename);
keir@20599	1867 } else {
keir@20599	1868 info->serial = "pty";
keir@20599	1869 }
keir@20509	1870 num--;
keir@20509	1871 }
keir@20509	1872 if (num > 0) {
keir@20509	1873 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	1874 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	1875 info->extra[j] = "-serial";
keir@20509	1876 info->extra[j + 1] = "pty";
keir@20509	1877 }
keir@20509	1878 info->extra[j] = NULL;
keir@20509	1879 }
keir@20509	1880 info->domid = vfb->domid;
keir@20509	1881 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@21376	1882 info->device_model = libxl_abs_path(ctx, "qemu-dm", libxl_libexec_path());
keir@20509	1883 info->type = XENPV;
keir@20509	1884 return 0;
keir@20509	1885 }
keir@20509	1886
keir@20509	1887 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	1888 int num_console, libxl_device_console *console,
keir@20514	1889 struct libxl_device_model_starting **starting_r)
keir@20509	1890 {
keir@20509	1891 libxl_device_model_info info;
keir@20509	1892
keir@20509	1893 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	1894 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	1895 return 0;
keir@20509	1896 }
keir@20509	1897
keir@20509	1898 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1899 {
keir@20509	1900 flexarray_t *front;
keir@20509	1901 flexarray_t *back;
keir@20509	1902 unsigned int boffset = 0;
keir@20509	1903 unsigned int foffset = 0;
keir@20509	1904 libxl_device device;
keir@20509	1905
keir@20509	1906 front = flexarray_make(16, 1);
keir@20509	1907 if (!front)
keir@20509	1908 return ERROR_NOMEM;
keir@20509	1909 back = flexarray_make(16, 1);
keir@20509	1910 if (!back)
keir@20509	1911 return ERROR_NOMEM;
keir@20509	1912
keir@20509	1913 device.backend_devid = vfb->devid;
keir@20509	1914 device.backend_domid = vfb->backend_domid;
keir@20509	1915 device.backend_kind = DEVICE_VFB;
keir@20509	1916 device.devid = vfb->devid;
keir@20509	1917 device.domid = vfb->domid;
keir@20509	1918 device.kind = DEVICE_VFB;
keir@20509	1919
keir@20516	1920 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1921 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	1922 flexarray_set(back, boffset++, "online");
keir@20516	1923 flexarray_set(back, boffset++, "1");
keir@20516	1924 flexarray_set(back, boffset++, "state");
keir@20509	1925 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1926 flexarray_set(back, boffset++, "domain");
keir@20516	1927 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1928 flexarray_set(back, boffset++, "vnc");
keir@20509	1929 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	1930 flexarray_set(back, boffset++, "vnclisten");
keir@20516	1931 flexarray_set(back, boffset++, vfb->vnclisten);
keir@21362	1932 flexarray_set(back, boffset++, "vncpasswd");
keir@21362	1933 flexarray_set(back, boffset++, vfb->vncpasswd);
keir@20516	1934 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	1935 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	1936 flexarray_set(back, boffset++, "vncunused");
keir@20509	1937 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	1938 flexarray_set(back, boffset++, "sdl");
keir@20509	1939 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	1940 flexarray_set(back, boffset++, "opengl");
keir@20509	1941 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	1942 if (vfb->xauthority) {
keir@20516	1943 flexarray_set(back, boffset++, "xauthority");
keir@20516	1944 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	1945 }
keir@20509	1946 if (vfb->display) {
keir@20516	1947 flexarray_set(back, boffset++, "display");
keir@20516	1948 flexarray_set(back, boffset++, vfb->display);
keir@20509	1949 }
keir@20509	1950
keir@20516	1951 flexarray_set(front, foffset++, "backend-id");
keir@20509	1952 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	1953 flexarray_set(front, foffset++, "state");
keir@20509	1954 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1955
keir@20509	1956 libxl_device_generic_add(ctx, &device,
keir@20509	1957 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1958 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	1959 flexarray_free(front);
keir@20509	1960 flexarray_free(back);
keir@20509	1961
keir@20509	1962 return 0;
keir@20462	1963 }
keir@20462	1964
keir@20462	1965 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1966 {
keir@20462	1967 return ERROR_NI;
keir@20462	1968 }
keir@20462	1969
keir@20462	1970 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1971 {
keir@20462	1972 return ERROR_NI;
keir@20462	1973 }
keir@20462	1974
keir@20462	1975 /******************************************************************************/
keir@20482	1976
keir@20482	1977 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	1978 unsigned int bus, unsigned int dev,
keir@20482	1979 unsigned int func, unsigned int vdevfn)
keir@20482	1980 {
keir@20482	1981 pcidev->domain = domain;
keir@20482	1982 pcidev->bus = bus;
keir@20482	1983 pcidev->dev = dev;
keir@20482	1984 pcidev->func = func;
keir@20482	1985 pcidev->vdevfn = vdevfn;
keir@20482	1986 return 0;
keir@20482	1987 }
keir@20482	1988
keir@20482	1989 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	1990 {
keir@20482	1991 flexarray_t *front;
keir@20482	1992 flexarray_t *back;
keir@20482	1993 unsigned int boffset = 0;
keir@20482	1994 unsigned int foffset = 0;
keir@20482	1995 libxl_device device;
keir@20482	1996 int i;
keir@20482	1997
keir@20482	1998 front = flexarray_make(16, 1);
keir@20482	1999 if (!front)
keir@20482	2000 return ERROR_NOMEM;
keir@20482	2001 back = flexarray_make(16, 1);
keir@20482	2002 if (!back)
keir@20482	2003 return ERROR_NOMEM;
keir@20482	2004
keir@20512	2005 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	2006
keir@20482	2007 /* add pci device */
keir@20482	2008 device.backend_devid = 0;
keir@20482	2009 device.backend_domid = 0;
keir@20482	2010 device.backend_kind = DEVICE_PCI;
keir@20482	2011 device.devid = 0;
keir@20482	2012 device.domid = domid;
keir@20482	2013 device.kind = DEVICE_PCI;
keir@20482	2014
keir@20516	2015 flexarray_set(back, boffset++, "frontend-id");
keir@20482	2016 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	2017 flexarray_set(back, boffset++, "online");
keir@20516	2018 flexarray_set(back, boffset++, "1");
keir@20516	2019 flexarray_set(back, boffset++, "state");
keir@20482	2020 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2021 flexarray_set(back, boffset++, "domain");
keir@20516	2022 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	2023 for (i = 0; i < num; i++) {
keir@20482	2024 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	2025 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2026 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	2027 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2028 if (pcidev->vdevfn) {
keir@20482	2029 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	2030 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2031 }
keir@20482	2032 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	2033 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2034 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	2035 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2036 }
keir@20516	2037 flexarray_set(back, boffset++, "num_devs");
keir@20482	2038 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	2039
keir@20516	2040 flexarray_set(front, foffset++, "backend-id");
keir@20482	2041 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	2042 flexarray_set(front, foffset++, "state");
keir@20482	2043 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	2044
keir@20482	2045 libxl_device_generic_add(ctx, &device,
keir@20482	2046 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	2047 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	2048
keir@20482	2049 flexarray_free(back);
keir@20482	2050 flexarray_free(front);
keir@20482	2051 return 0;
keir@20482	2052 }
keir@20482	2053
keir@20482	2054 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2055 {
keir@20482	2056 flexarray_t *back;
keir@20482	2057 char num_devs, be_path;
keir@20482	2058 int num = 0;
keir@20482	2059 unsigned int boffset = 0;
keir@20482	2060 xs_transaction_t t;
keir@20482	2061
keir@20516	2062 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2063 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2064 if (!num_devs)
keir@20482	2065 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	2066
keir@20482	2067 if (!is_hvm(ctx, domid)) {
keir@20482	2068 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482	2069 return -1;
keir@20482	2070 }
keir@20482	2071
keir@20482	2072 back = flexarray_make(16, 1);
keir@20482	2073 if (!back)
keir@20482	2074 return ERROR_NOMEM;
keir@20482	2075
keir@20512	2076 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	2077 num = atoi(num_devs);
keir@20482	2078 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	2079 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2080 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	2081 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	2082 if (pcidev->vdevfn) {
keir@20482	2083 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	2084 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	2085 }
keir@20482	2086 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	2087 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	2088 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	2089 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	2090 flexarray_set(back, boffset++, "num_devs");
keir@20482	2091 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	2092 flexarray_set(back, boffset++, "state");
keir@20482	2093 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	2094
keir@20482	2095 retry_transaction:
keir@20482	2096 t = xs_transaction_start(ctx->xsh);
keir@20482	2097 libxl_xs_writev(ctx, t, be_path,
keir@20482	2098 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	2099 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2100 if (errno == EAGAIN)
keir@20482	2101 goto retry_transaction;
keir@20482	2102
keir@20482	2103 flexarray_free(back);
keir@20482	2104 return 0;
keir@20482	2105 }
keir@20482	2106
keir@20482	2107 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	2108 {
keir@20542	2109 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	2110 int num, i, j;
keir@20482	2111 xs_transaction_t t;
keir@20482	2112 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	2113
keir@20516	2114 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2115 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	2116 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	2117 if (!num_devs)
keir@20482	2118 return -1;
keir@20482	2119 num = atoi(num_devs);
keir@20482	2120
keir@20482	2121 if (!is_hvm(ctx, domid)) {
keir@20482	2122 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2123 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482	2124 return -1;
keir@20482	2125 }
keir@20482	2126 }
keir@20482	2127
keir@20482	2128 for (i = 0; i < num; i++) {
keir@20482	2129 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2130 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2131 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	2132 pcidev->dev == dev && pcidev->func == func) {
keir@20482	2133 break;
keir@20482	2134 }
keir@20482	2135 }
keir@20482	2136 if (i == num) {
keir@20512	2137 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482	2138 return -1;
keir@20482	2139 }
keir@20482	2140
keir@20482	2141 retry_transaction:
keir@20482	2142 t = xs_transaction_start(ctx->xsh);
keir@20542	2143 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	2144 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	2145 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	2146 if (errno == EAGAIN)
keir@20482	2147 goto retry_transaction;
keir@20542	2148
keir@20542	2149 if (!is_hvm(ctx, domid)) {
keir@20542	2150 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	2151 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542	2152 return -1;
keir@20542	2153 }
keir@20542	2154 }
keir@20542	2155
keir@20542	2156 retry_transaction2:
keir@20542	2157 t = xs_transaction_start(ctx->xsh);
keir@20542	2158 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	2159 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	2160 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	2161 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	2162 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	2163 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	2164 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	2165 for (j = i + 1; j < num; j++) {
keir@20542	2166 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	2167 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2168 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2169 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2170 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	2171 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2172 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2173 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2174 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	2175 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2176 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2177 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2178 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	2179 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2180 if (tmp) {
keir@20542	2181 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2182 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2183 }
keir@20542	2184 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	2185 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2186 if (tmp) {
keir@20542	2187 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2188 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2189 }
keir@20542	2190 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	2191 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	2192 if (tmp) {
keir@20542	2193 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	2194 xs_rm(ctx->xsh, t, tmppath);
keir@20542	2195 }
keir@20542	2196 }
keir@20542	2197 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	2198 if (errno == EAGAIN)
keir@20542	2199 goto retry_transaction2;
keir@20542	2200
keir@20542	2201 if (num == 1) {
keir@20542	2202 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	2203 libxl_device_destroy(ctx, be_path, 1);
keir@20542	2204 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	2205 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	2206 return 0;
keir@20542	2207 }
keir@20542	2208
keir@20482	2209 return 0;
keir@20462	2210 }
keir@20462	2211
keir@20482	2212 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2213 {
keir@20779	2214 char *path;
keir@20482	2215 char state, vdevfn;
keir@20482	2216 int rc, hvm;
keir@20542	2217 int stubdomid = 0;
keir@20482	2218
keir@20482	2219 /* TODO: check if the device can be assigned */
keir@20482	2220
keir@20482	2221 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2222
keir@20779	2223 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2224 if (stubdomid != 0) {
keir@20542	2225 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2226 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	2227 }
keir@20542	2228
keir@20482	2229 hvm = is_hvm(ctx, domid);
keir@20482	2230 if (hvm) {
keir@20831	2231 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482	2232 return -1;
keir@20482	2233 }
keir@20779	2234 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2235 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2236 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2237 if (pcidev->vdevfn)
keir@20482	2238 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	2239 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	2240 else
keir@20482	2241 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2242 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2243 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2244 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20831	2245 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", NULL, NULL) < 0)
keir@20512	2246 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20779	2247 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2248 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	2249 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20779	2250 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2251 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2252 } else {
keir@20542	2253 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2254 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2255 FILE *f = fopen(sysfs_path, "r");
keir@20482	2256 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	2257 int irq = 0;
keir@20482	2258 int i;
keir@20482	2259
keir@20482	2260 if (f == NULL) {
keir@20512	2261 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2262 return -1;
keir@20482	2263 }
keir@20482	2264 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512	2265 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482	2266 size = end - start + 1;
keir@20482	2267 if (start) {
keir@20482	2268 if (flags & PCI_BAR_IO) {
keir@20482	2269 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482	2270 if (rc < 0)
keir@20512	2271 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	2272 } else {
keir@20482	2273 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2274 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482	2275 if (rc < 0)
keir@20512	2276 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	2277 }
keir@20482	2278 }
keir@20482	2279 }
keir@20482	2280 fclose(f);
keir@20542	2281 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2282 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2283 f = fopen(sysfs_path, "r");
keir@20482	2284 if (f == NULL) {
keir@20512	2285 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2286 goto out;
keir@20482	2287 }
keir@20482	2288 fscanf(f, "%u", &irq);
keir@20482	2289 if (irq) {
keir@20482	2290 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	2291 if (rc < 0) {
keir@20512	2292 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482	2293 }
keir@20482	2294 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	2295 if (rc < 0) {
keir@20512	2296 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482	2297 }
keir@20482	2298 }
keir@20482	2299 fclose(f);
keir@20482	2300 }
keir@20482	2301 out:
keir@20860	2302 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2303 rc = xc_assign_device(ctx->xch, domid, pcidev->value);
keir@20779	2304 if (rc < 0)
keir@20542	2305 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542	2306 }
keir@20482	2307
keir@20482	2308 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	2309 return 0;
keir@20462	2310 }
keir@20462	2311
keir@20482	2312 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	2313 {
keir@20779	2314 char *path;
keir@20482	2315 char *state;
keir@20482	2316 int hvm, rc;
keir@20542	2317 int stubdomid = 0;
keir@20482	2318
keir@20482	2319 /* TODO: check if the device can be detached */
keir@20542	2320 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	2321
keir@20482	2322 hvm = is_hvm(ctx, domid);
keir@20482	2323 if (hvm) {
keir@20831	2324 if (libxl_wait_for_device_model(ctx, domid, "running", NULL, NULL) < 0) {
keir@20482	2325 return -1;
keir@20482	2326 }
keir@20779	2327 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2328 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20779	2329 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	2330 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	2331 pcidev->bus, pcidev->dev, pcidev->func);
keir@20779	2332 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid);
keir@20482	2333 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20831	2334 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
keir@20512	2335 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	2336 return -1;
keir@20482	2337 }
keir@20779	2338 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d/state", domid);
keir@20482	2339 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	2340 } else {
keir@20542	2341 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	2342 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2343 FILE *f = fopen(sysfs_path, "r");
keir@20482	2344 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	2345 int irq = 0;
keir@20482	2346 int i;
keir@20482	2347
keir@20482	2348 if (f == NULL) {
keir@20512	2349 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2350 goto skip1;
keir@20482	2351 }
keir@20482	2352 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482	2353 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482	2354 size = end - start + 1;
keir@20482	2355 if (start) {
keir@20482	2356 if (flags & PCI_BAR_IO) {
keir@20482	2357 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	2358 if (rc < 0)
keir@20512	2359 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	2360 } else {
keir@20482	2361 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	2362 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	2363 if (rc < 0)
keir@20512	2364 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	2365 }
keir@20482	2366 }
keir@20482	2367 }
keir@20482	2368 fclose(f);
keir@20482	2369 skip1:
keir@20542	2370 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	2371 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2372 f = fopen(sysfs_path, "r");
keir@20482	2373 if (f == NULL) {
keir@20512	2374 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	2375 goto out;
keir@20482	2376 }
keir@20482	2377 fscanf(f, "%u", &irq);
keir@20482	2378 if (irq) {
keir@20482	2379 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	2380 if (rc < 0) {
keir@20512	2381 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	2382 }
keir@20482	2383 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	2384 if (rc < 0) {
keir@20512	2385 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	2386 }
keir@20482	2387 }
keir@20482	2388 fclose(f);
keir@20482	2389 }
keir@20482	2390 out:
keir@20482	2391 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	2392
keir@20860	2393 if (!libxl_is_stubdom(ctx, domid, NULL)) {
keir@20779	2394 rc = xc_deassign_device(ctx->xch, domid, pcidev->value);
keir@20779	2395 if (rc < 0)
keir@20542	2396 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	2397 }
keir@20542	2398
keir@20779	2399 stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20779	2400 if (stubdomid != 0) {
keir@20542	2401 libxl_device_pci pcidev_s = *pcidev;
keir@20542	2402 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	2403 }
keir@20542	2404
keir@20482	2405 return 0;
keir@20462	2406 }
keir@20482	2407
keir@20482	2408 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	2409 {
keir@20482	2410 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	2411 int n, i;
keir@20482	2412 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	2413 libxl_device_pci *pcidevs;
keir@20482	2414
keir@20516	2415 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	2416 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	2417 if (!num_devs) {
keir@20482	2418 *num = 0;
keir@20482	2419 return NULL;
keir@20482	2420 }
keir@20482	2421 n = atoi(num_devs);
keir@20779	2422 pcidevs = calloc(n, sizeof(libxl_device_pci));
keir@20482	2423 *num = n;
keir@20482	2424
keir@20482	2425 for (i = 0; i < n; i++) {
keir@20482	2426 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	2427 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	2428 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	2429 if (xsvdevfn)
keir@20482	2430 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	2431 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	2432 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	2433 if (xsopts) {
keir@20482	2434 char *saveptr;
keir@20482	2435 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	2436 do {
keir@20482	2437 while (*p == ' ')
keir@20482	2438 p++;
keir@20482	2439 if (!strcmp(p, "msitranslate")) {
keir@20482	2440 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2441 pcidevs[i].msitranslate = atoi(p);
keir@20482	2442 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	2443 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	2444 pcidevs[i].power_mgmt = atoi(p);
keir@20482	2445 }
keir@20482	2446 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	2447 }
keir@20482	2448 }
keir@20482	2449 return pcidevs;
keir@20482	2450 }
keir@20482	2451
keir@20482	2452 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	2453 {
keir@20482	2454 libxl_device_pci *pcidevs;
keir@20482	2455 int num, i;
keir@20482	2456
keir@20482	2457 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	2458 for (i = 0; i < num; i++) {
keir@20482	2459 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482	2460 return -1;
keir@20482	2461 }
keir@20516	2462 free(pcidevs);
keir@20482	2463 return 0;
keir@20482	2464 }
keir@20482	2465
keir@21404	2466 int libxl_domain_setmaxmem(struct libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
keir@21404	2467 {
keir@21404	2468 char mem, endptr;
keir@21404	2469 uint32_t memorykb;
keir@21404	2470 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21404	2471 int rc;
keir@21404	2472
keir@21404	2473 mem = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath));
keir@21404	2474 if (!mem) {
keir@21404	2475 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "cannot get memory info from %s/memory/target\n", dompath);
keir@21404	2476 return 1;
keir@21404	2477 }
keir@21404	2478 memorykb = strtoul(mem, &endptr, 10);
keir@21404	2479 if (*endptr != '\0') {
keir@21404	2480 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "invalid memory %s from %s/memory/target\n", mem, dompath);
keir@21404	2481 return 1;
keir@21404	2482 }
keir@21404	2483
keir@21404	2484 if (max_memkb < memorykb) {
keir@21404	2485 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "memory_static_max must be greater than or or equal to memory_dynamic_max\n");
keir@21404	2486 return 1;
keir@21404	2487 }
keir@21404	2488
keir@21404	2489 rc = xc_domain_setmaxmem(ctx->xch, domid, max_memkb);
keir@21404	2490 if (rc != 0)
keir@21404	2491 return rc;
keir@21404	2492
keir@21404	2493 if (domid != 0)
keir@21404	2494 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath), "%lu", max_memkb);
keir@21404	2495
keir@21404	2496 return rc;
keir@21404	2497 }
keir@21404	2498
keir@20647	2499 int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t target_memkb)
keir@20647	2500 {
keir@20647	2501 int rc = 0;
keir@21405	2502 uint32_t memorykb, videoram;
keir@21405	2503 char memmax, endptr, *videoram_s = NULL;
keir@20647	2504 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21374	2505 xc_domaininfo_t info;
keir@21374	2506 struct libxl_dominfo ptr;
keir@21374	2507 char *uuid;
keir@20542	2508
keir@21405	2509 if (domid) {
keir@21405	2510 memmax = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/static-max", dompath));
keir@21405	2511 if (!memmax) {
keir@21405	2512 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2513 "cannot get memory info from %s/memory/static-max\n", dompath);
keir@21405	2514 return 1;
keir@21405	2515 }
keir@21405	2516 memorykb = strtoul(memmax, &endptr, 10);
keir@21405	2517 if (*endptr != '\0') {
keir@21405	2518 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2519 "invalid max memory %s from %s/memory/static-max\n", memmax, dompath);
keir@21405	2520 return 1;
keir@21405	2521 }
keir@21405	2522
keir@21405	2523 if (target_memkb > memorykb) {
keir@21405	2524 XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@21405	2525 "memory_dynamic_max must be less than or equal to memory_static_max\n");
keir@21405	2526 return 1;
keir@21405	2527 }
keir@21405	2528 }
keir@21405	2529
keir@20647	2530 videoram_s = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/videoram", dompath));
keir@21314	2531 videoram = videoram_s ? atoi(videoram_s) : 0;
keir@20647	2532
keir@20647	2533 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/memory/target", dompath), "%lu", target_memkb);
keir@21374	2534
keir@21374	2535 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
keir@21374	2536 if (rc != 1 \|\| info.domain != domid)
keir@21374	2537 return rc;
keir@21374	2538 xcinfo2xlinfo(&info, &ptr);
keir@21374	2539 uuid = libxl_uuid2string(ctx, ptr.uuid);
keir@21374	2540 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "/vm/%s/memory", uuid), "%lu", target_memkb / 1024);
keir@21374	2541
keir@20647	2542 rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb - videoram) / 4, NULL, NULL, NULL);
keir@20647	2543 return rc;
keir@20647	2544 }
keir@20875	2545
keir@20875	2546 int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button button)
keir@20875	2547 {
keir@20875	2548 int rc = -1;
keir@20875	2549
keir@20875	2550 switch (button) {
keir@20875	2551 case POWER_BUTTON:
keir@20875	2552 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_POWER, 0);
keir@20875	2553 break;
keir@20875	2554 case SLEEP_BUTTON:
keir@20875	2555 rc = xc_domain_send_trigger(ctx->xch, domid, XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
keir@20875	2556 break;
keir@20875	2557 default:
keir@20875	2558 break;
keir@20875	2559 }
keir@20875	2560
keir@20875	2561 return rc;
keir@20875	2562 }
keir@21141	2563
keir@21141	2564 int libxl_get_physinfo(struct libxl_ctx ctx, struct libxl_physinfo physinfo)
keir@21141	2565 {
keir@21141	2566 xc_physinfo_t xcphysinfo = { 0 };
keir@21141	2567 int rc;
keir@21141	2568
keir@21141	2569 rc = xc_physinfo(ctx->xch, &xcphysinfo);
keir@21141	2570 if (rc != 0) {
keir@21141	2571 return rc;
keir@21141	2572 }
keir@21141	2573 physinfo->threads_per_core = xcphysinfo.threads_per_core;
keir@21141	2574 physinfo->cores_per_socket = xcphysinfo.cores_per_socket;
keir@21142	2575 physinfo->max_cpu_id = xcphysinfo.max_cpu_id;
keir@21141	2576 physinfo->nr_cpus = xcphysinfo.nr_cpus;
keir@21141	2577 physinfo->cpu_khz = xcphysinfo.cpu_khz;
keir@21141	2578 physinfo->total_pages = xcphysinfo.total_pages;
keir@21141	2579 physinfo->free_pages = xcphysinfo.free_pages;
keir@21141	2580 physinfo->scrub_pages = xcphysinfo.scrub_pages;
keir@21264	2581 physinfo->nr_nodes = xcphysinfo.nr_nodes;
keir@21264	2582 memcpy(physinfo->hw_cap,xcphysinfo.hw_cap, sizeof(physinfo->hw_cap));
keir@21264	2583 physinfo->phys_cap = xcphysinfo.capabilities;
keir@21264	2584
keir@21141	2585 return 0;
keir@21141	2586 }
keir@21141	2587
keir@21266	2588 const libxl_version_info* libxl_get_version_info(struct libxl_ctx *ctx)
keir@21266	2589 {
keir@21266	2590 union {
keir@21266	2591 xen_extraversion_t xen_extra;
keir@21266	2592 xen_compile_info_t xen_cc;
keir@21266	2593 xen_changeset_info_t xen_chgset;
keir@21266	2594 xen_capabilities_info_t xen_caps;
keir@21266	2595 xen_platform_parameters_t p_parms;
keir@21266	2596 xen_commandline_t xen_commandline;
keir@21266	2597 } u;
keir@21266	2598 long xen_version;
keir@21266	2599 libxl_version_info *info = &ctx->version_info;
keir@21266	2600
keir@21266	2601 if (info->xen_version_extra != NULL)
keir@21266	2602 return info;
keir@21266	2603
keir@21266	2604 xen_version = xc_version(ctx->xch, XENVER_version, NULL);
keir@21266	2605 info->xen_version_major = xen_version >> 16;
keir@21266	2606 info->xen_version_minor = xen_version & 0xFF;
keir@21266	2607 xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra);
keir@21266	2608 info->xen_version_extra = libxl_sprintf(ctx, "%s", u.xen_extra);
keir@21266	2609
keir@21266	2610 xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc);
keir@21266	2611 info->compiler = libxl_sprintf(ctx, "%s", u.xen_cc.compiler);
keir@21266	2612 info->compile_by = libxl_sprintf(ctx, "%s", u.xen_cc.compile_by);
keir@21266	2613 info->compile_domain = libxl_sprintf(ctx, "%s", u.xen_cc.compile_domain);
keir@21266	2614 info->compile_date = libxl_sprintf(ctx, "%s", u.xen_cc.compile_date);
keir@21266	2615
keir@21266	2616 xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps);
keir@21266	2617 info->capabilities = libxl_sprintf(ctx, "%s", u.xen_caps);
keir@21266	2618
keir@21266	2619 xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset);
keir@21266	2620 info->changeset = libxl_sprintf(ctx, "%s", u.xen_chgset);
keir@21266	2621
keir@21266	2622 xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms);
keir@21266	2623 info->virt_start = u.p_parms.virt_start;
keir@21266	2624
keir@21266	2625 info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL);
keir@21266	2626
keir@21266	2627 xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline);
keir@21266	2628 info->commandline = libxl_sprintf(ctx, "%s", u.xen_commandline);
keir@21266	2629
keir@21266	2630 return info;
keir@21266	2631 }
keir@21266	2632
keir@21141	2633 struct libxl_vcpuinfo libxl_list_vcpu(struct libxl_ctx ctx, uint32_t domid,
keir@21141	2634 int nb_vcpu, int cpusize)
keir@21141	2635 {
keir@21141	2636 struct libxl_vcpuinfo ptr, ret;
keir@21141	2637 xc_domaininfo_t domaininfo;
keir@21141	2638 xc_vcpuinfo_t vcpuinfo;
keir@21141	2639 xc_physinfo_t physinfo = { 0 };
keir@21141	2640
keir@21141	2641 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21141	2642 return NULL;
keir@21141	2643 }
keir@21141	2644 if (xc_physinfo(ctx->xch, &physinfo) == -1) {
keir@21141	2645 return NULL;
keir@21141	2646 }
keir@21141	2647 *cpusize = physinfo.max_cpu_id + 1;
keir@21141	2648 ptr = libxl_calloc(ctx, domaininfo.max_vcpu_id + 1, sizeof (struct libxl_vcpuinfo));
keir@21141	2649 if (!ptr) {
keir@21141	2650 return NULL;
keir@21141	2651 }
keir@21141	2652
keir@21141	2653 ret = ptr;
keir@21141	2654 for (nb_vcpu = 0; nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
keir@21141	2655 ptr->cpumap = libxl_calloc(ctx, (*cpusize + 63) / 64, sizeof (uint64_t));
keir@21141	2656 if (!ptr->cpumap) {
keir@21141	2657 return NULL;
keir@21141	2658 }
keir@21141	2659 if (xc_vcpu_getinfo(ctx->xch, domid, *nb_vcpu, &vcpuinfo) == -1) {
keir@21141	2660 return NULL;
keir@21141	2661 }
keir@21141	2662 if (xc_vcpu_getaffinity(ctx->xch, domid, nb_vcpu, ptr->cpumap, cpusize) == -1) {
keir@21141	2663 return NULL;
keir@21141	2664 }
keir@21141	2665 ptr->vcpuid = *nb_vcpu;
keir@21141	2666 ptr->cpu = vcpuinfo.cpu;
keir@21141	2667 ptr->online = !!vcpuinfo.online;
keir@21141	2668 ptr->blocked = !!vcpuinfo.blocked;
keir@21141	2669 ptr->running = !!vcpuinfo.running;
keir@21141	2670 ptr->vcpu_time = vcpuinfo.cpu_time;
keir@21141	2671 }
keir@21141	2672 return ret;
keir@21141	2673 }
keir@21142	2674
keir@21142	2675 int libxl_set_vcpuaffinity(struct libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
keir@21142	2676 uint64_t *cpumap, int cpusize)
keir@21142	2677 {
keir@21142	2678 return (xc_vcpu_setaffinity(ctx->xch, domid, vcpuid, cpumap, cpusize));
keir@21142	2679 }
keir@21143	2680
keir@21143	2681 int libxl_set_vcpucount(struct libxl_ctx *ctx, uint32_t domid, uint32_t count)
keir@21143	2682 {
keir@21143	2683 xc_domaininfo_t domaininfo;
keir@21143	2684 char *dompath;
keir@21143	2685 int i;
keir@21143	2686
keir@21143	2687 if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
keir@21143	2688 return ERROR_FAIL;
keir@21143	2689 }
keir@21143	2690 if (!count \|\| ((domaininfo.max_vcpu_id + 1) < count)) {
keir@21143	2691 return ERROR_INVAL;
keir@21143	2692 }
keir@21143	2693 if (!(dompath = libxl_xs_get_dompath(ctx, domid)))
keir@21143	2694 return ERROR_FAIL;
keir@21143	2695
keir@21143	2696 for (i = 0; i <= domaininfo.max_vcpu_id; ++i) {
keir@21143	2697 libxl_xs_write(ctx, XBT_NULL,
keir@21143	2698 libxl_sprintf(ctx, "%s/cpu/%u/availability", dompath, i),
keir@21143	2699 "%s", ((1 << i) & ((1 << count) - 1)) ? "online" : "offline");
keir@21143	2700 }
keir@21143	2701 return 0;
keir@21143	2702 }
keir@21265	2703
keir@21265	2704 /*
keir@21265	2705 * returns one of the XEN_SCHEDULER_* constants from public/domctl.h
keir@21265	2706 * or -1 if an error occured.
keir@21265	2707 */
keir@21265	2708 int libxl_get_sched_id(struct libxl_ctx *ctx)
keir@21265	2709 {
keir@21265	2710 int sched, ret;
keir@21265	2711
keir@21265	2712 if ((ret = xc_sched_id(ctx->xch, &sched)) != 0)
keir@21265	2713 return ret;
keir@21265	2714 return sched;
keir@21265	2715 }
keir@21292	2716
keir@21292	2717 int libxl_sched_credit_domain_get(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	2718 {
keir@21292	2719 struct xen_domctl_sched_credit sdom;
keir@21292	2720 int rc;
keir@21292	2721
keir@21292	2722 rc = xc_sched_credit_domain_get(ctx->xch, domid, &sdom);
keir@21292	2723 if (rc != 0)
keir@21292	2724 return rc;
keir@21292	2725
keir@21292	2726 scinfo->weight = sdom.weight;
keir@21292	2727 scinfo->cap = sdom.cap;
keir@21292	2728
keir@21292	2729 return 0;
keir@21292	2730 }
keir@21292	2731
keir@21292	2732 int libxl_sched_credit_domain_set(struct libxl_ctx ctx, uint32_t domid, struct libxl_sched_credit scinfo)
keir@21292	2733 {
keir@21292	2734 struct xen_domctl_sched_credit sdom;
keir@21292	2735 xc_domaininfo_t domaininfo;
keir@21292	2736 int rc;
keir@21292	2737
keir@21292	2738 rc = xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo);
keir@21292	2739 if (rc != 1 \|\| domaininfo.domain != domid)
keir@21292	2740 return rc;
keir@21292	2741
keir@21292	2742
keir@21292	2743 if (scinfo->weight < 1 \|\| scinfo->weight > 65535) {
keir@21292	2744 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	2745 "Cpu weight out of range, valid values are within range from 1 to 65535");
keir@21292	2746 return -1;
keir@21292	2747 }
keir@21292	2748
keir@21292	2749 if (scinfo->cap < 0 \|\| scinfo->cap > (domaininfo.max_vcpu_id + 1) * 100) {
keir@21292	2750 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21292	2751 "Cpu cap out of range, valid range is from 0 to %d for specified number of vcpus",
keir@21292	2752 ((domaininfo.max_vcpu_id + 1) * 100));
keir@21292	2753 return -1;
keir@21292	2754 }
keir@21292	2755
keir@21292	2756 sdom.weight = scinfo->weight;
keir@21292	2757 sdom.cap = scinfo->cap;
keir@21292	2758
keir@21292	2759 rc = xc_sched_credit_domain_set(ctx->xch, domid, &sdom);
keir@21292	2760 if (rc != 0)
keir@21292	2761 return rc;
keir@21292	2762
keir@21292	2763 return 0;
keir@21292	2764 }
keir@21292	2765
keir@21393	2766 static int trigger_type_from_string(char *trigger_name)
keir@21393	2767 {
keir@21393	2768 if (!strcmp(trigger_name, "nmi"))
keir@21393	2769 return XEN_DOMCTL_SENDTRIGGER_NMI;
keir@21393	2770 else if (!strcmp(trigger_name, "reset"))
keir@21393	2771 return XEN_DOMCTL_SENDTRIGGER_RESET;
keir@21393	2772 else if (!strcmp(trigger_name, "init"))
keir@21393	2773 return XEN_DOMCTL_SENDTRIGGER_INIT;
keir@21393	2774 else if (!strcmp(trigger_name, "power"))
keir@21393	2775 return XEN_DOMCTL_SENDTRIGGER_POWER;
keir@21393	2776 else if (!strcmp(trigger_name, "sleep"))
keir@21393	2777 return XEN_DOMCTL_SENDTRIGGER_SLEEP;
keir@21393	2778 else
keir@21393	2779 return -1;
keir@21393	2780 }
keir@21393	2781
keir@21393	2782 int libxl_send_trigger(struct libxl_ctx ctx, uint32_t domid, char trigger_name, uint32_t vcpuid)
keir@21393	2783 {
keir@21393	2784 int rc = -1;
keir@21393	2785 int trigger_type = trigger_type_from_string(trigger_name);
keir@21393	2786
keir@21393	2787 if (trigger_type == -1) {
keir@21393	2788 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
keir@21393	2789 "Invalid trigger, valid triggers are <nmi\|reset\|init\|power\|sleep>");
keir@21393	2790 return -1;
keir@21393	2791 }
keir@21393	2792
keir@21393	2793 rc = xc_domain_send_trigger(ctx->xch, domid, trigger_type, vcpuid);
keir@21393	2794 if (rc != 0)
keir@21393	2795 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
keir@21393	2796 "Send trigger '%s' failed", trigger_name);
keir@21393	2797
keir@21393	2798 return rc;
keir@21393	2799 }
keir@21402	2800
keir@21402	2801 int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq)
keir@21402	2802 {
keir@21402	2803 char *dompath = libxl_xs_get_dompath(ctx, domid);
keir@21402	2804
keir@21402	2805 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/control/sysrq", dompath), "%c", sysrq);
keir@21402	2806
keir@21402	2807 return 0;
keir@21402	2808 }
keir@21402	2809