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

debuggers.hg

annotate tools/libxl/libxl.c @ 20564:6864bc03783f

libxenlight: add console command

This patch adds "xl console" command similar to "xm console".

Signed-off-by: Tomasz Wroblewski <tomasz.wroblewski@citrix.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

author	Keir Fraser <keir.fraser@citrix.com>
date	Mon Nov 30 10:47:36 2009 +0000 (2009-11-30)
parents	c0e32941ee69
children	093cd0e7d537

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@20462	37 int libxl_ctx_init(struct libxl_ctx *ctx)
keir@20462	38 {
keir@20462	39 memset(ctx, 0, sizeof(struct libxl_ctx));
keir@20462	40 ctx->alloc_maxsize = 256;
keir@20462	41 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20462	42 if (!ctx->alloc_ptrs)
keir@20462	43 return ERROR_NOMEM;
keir@20462	44
keir@20462	45 ctx->xch = xc_interface_open();
keir@20462	46 ctx->xsh = xs_daemon_open();
keir@20514	47
keir@20514	48 ctx->waitpid_instead= libxl_waitpid_instead_default;
keir@20462	49 return 0;
keir@20462	50 }
keir@20462	51
keir@20462	52 int libxl_ctx_free(struct libxl_ctx *ctx)
keir@20462	53 {
keir@20462	54 libxl_free_all(ctx);
keir@20462	55 free(ctx->alloc_ptrs);
keir@20545	56 ctx->alloc_ptrs = calloc(ctx->alloc_maxsize, sizeof(void *));
keir@20545	57 if (!ctx->alloc_ptrs)
keir@20545	58 return ERROR_NOMEM;
keir@20545	59 return 0;
keir@20545	60 }
keir@20545	61
keir@20545	62 int libxl_ctx_close(struct libxl_ctx *ctx)
keir@20545	63 {
keir@20545	64 libxl_ctx_free(ctx);
keir@20545	65 free(ctx->alloc_ptrs);
keir@20462	66 xc_interface_close(ctx->xch);
keir@20545	67 xs_daemon_close(ctx->xsh);
keir@20462	68 return 0;
keir@20462	69 }
keir@20462	70
keir@20462	71 int libxl_ctx_set_log(struct libxl_ctx ctx, libxl_log_callback log_callback, void log_data)
keir@20462	72 {
keir@20462	73 ctx->log_callback = log_callback;
keir@20462	74 ctx->log_userdata = log_data;
keir@20462	75 return 0;
keir@20462	76 }
keir@20462	77
keir@20462	78 /******************************************************************************/
keir@20462	79
keir@20462	80 int libxl_domain_make(struct libxl_ctx ctx, libxl_domain_create_info info,
keir@20462	81 uint32_t *domid)
keir@20462	82 {
keir@20462	83 int flags, ret, i;
keir@20468	84 char *uuid_string;
keir@20462	85 char *rw_paths[] = { "device" };
keir@20462	86 char *ro_paths[] = { "cpu", "memory", "device", "error", "drivers",
keir@20462	87 "control", "attr", "data", "messages" };
keir@20462	88 char dom_path, vm_path, *vss_path;
keir@20462	89 struct xs_permissions roperm[2];
keir@20462	90 struct xs_permissions rwperm[1];
keir@20462	91 xs_transaction_t t;
keir@20468	92 xen_domain_handle_t handle;
keir@20462	93
keir@20468	94 uuid_string = libxl_uuid_to_string(ctx, info->uuid);
keir@20462	95 if (!uuid_string) {
keir@20462	96 XL_LOG(ctx, XL_LOG_ERROR, "missing uuid");
keir@20462	97 return ERROR_FAIL;
keir@20462	98 }
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@20462	102 *domid = 0;
keir@20462	103
keir@20468	104 /* XXX handle has to be initialised here.
keir@20468	105 * info->uuid != xen_domain_handle_t
keir@20468	106 * See:
keir@20468	107 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
keir@20468	108 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
keir@20468	109 *
keir@20468	110 * A DCE 1.1 compatible source representation of UUIDs.
keir@20468	111 *
keir@20468	112 * struct uuid {
keir@20468	113 * uint32_t time_low;
keir@20468	114 * uint16_t time_mid;
keir@20468	115 * uint16_t time_hi_and_version;
keir@20468	116 * uint8_t clock_seq_hi_and_reserved;
keir@20468	117 * uint8_t clock_seq_low;
keir@20468	118 * uint8_t node[_UUID_NODE_LEN];
keir@20468	119 * };
keir@20468	120 */
keir@20468	121
keir@20468	122 ret = xc_domain_create(ctx->xch, info->ssidref, handle, flags, domid);
keir@20462	123 if (ret < 0) {
keir@20512	124 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, ret, "domain creation fail");
keir@20462	125 return ERROR_FAIL;
keir@20462	126 }
keir@20462	127
keir@20462	128 dom_path = libxl_xs_get_dompath(ctx, *domid);
keir@20512	129 if (!dom_path)
keir@20512	130 return ERROR_FAIL;
keir@20512	131
keir@20462	132 vm_path = libxl_sprintf(ctx, "/vm/%s", uuid_string);
keir@20462	133 vss_path = libxl_sprintf(ctx, "/vss/%s", uuid_string);
keir@20512	134 if (!vm_path \|\| !vss_path) {
keir@20462	135 XL_LOG(ctx, XL_LOG_ERROR, "cannot allocate create paths");
keir@20462	136 return ERROR_FAIL;
keir@20462	137 }
keir@20462	138
keir@20462	139 roperm[0].id = 0;
keir@20462	140 roperm[0].perms = XS_PERM_NONE;
keir@20462	141 roperm[1].id = *domid;
keir@20462	142 roperm[1].perms = XS_PERM_READ;
keir@20462	143 rwperm[0].id = *domid;
keir@20462	144 rwperm[0].perms = XS_PERM_NONE;
keir@20462	145
keir@20462	146 retry_transaction:
keir@20462	147 t = xs_transaction_start(ctx->xsh);
keir@20462	148 xs_rm(ctx->xsh, t, dom_path);
keir@20462	149 xs_mkdir(ctx->xsh, t, dom_path);
keir@20462	150 xs_set_permissions(ctx->xsh, t, dom_path, roperm, ARRAY_SIZE(roperm));
keir@20462	151
keir@20462	152 xs_rm(ctx->xsh, t, vm_path);
keir@20462	153 xs_mkdir(ctx->xsh, t, vm_path);
keir@20462	154 xs_set_permissions(ctx->xsh, t, vm_path, roperm, ARRAY_SIZE(roperm));
keir@20462	155
keir@20462	156 xs_rm(ctx->xsh, t, vss_path);
keir@20462	157 xs_mkdir(ctx->xsh, t, vss_path);
keir@20462	158 xs_set_permissions(ctx->xsh, t, vss_path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	159
keir@20462	160 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vm", dom_path), vm_path, strlen(vm_path));
keir@20462	161 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vss", dom_path), vss_path, strlen(vss_path));
keir@20462	162 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", dom_path), info->name, strlen(info->name));
keir@20462	163
keir@20462	164 for (i = 0; i < ARRAY_SIZE(rw_paths); i++) {
keir@20462	165 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, rw_paths[i]);
keir@20462	166 xs_mkdir(ctx->xsh, t, path);
keir@20462	167 xs_set_permissions(ctx->xsh, t, path, rwperm, ARRAY_SIZE(rwperm));
keir@20462	168 libxl_free(ctx, path);
keir@20462	169 }
keir@20462	170 for (i = 0; i < ARRAY_SIZE(ro_paths); i++) {
keir@20462	171 char *path = libxl_sprintf(ctx, "%s/%s", dom_path, ro_paths[i]);
keir@20462	172 xs_mkdir(ctx->xsh, t, path);
keir@20462	173 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20462	174 libxl_free(ctx, path);
keir@20462	175 }
keir@20462	176
keir@20462	177 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/uuid", vm_path), uuid_string, strlen(uuid_string));
keir@20462	178 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/name", vm_path), info->name, strlen(info->name));
keir@20462	179
keir@20462	180 libxl_xs_writev(ctx, t, dom_path, info->xsdata);
keir@20462	181 libxl_xs_writev(ctx, t, libxl_sprintf(ctx, "%s/platform", dom_path), info->platformdata);
keir@20462	182
keir@20462	183 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
keir@20462	184
keir@20462	185 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20462	186 if (errno == EAGAIN)
keir@20462	187 goto retry_transaction;
keir@20462	188 return 0;
keir@20462	189 }
keir@20462	190
keir@20516	191 int libxl_domain_build(struct libxl_ctx ctx, libxl_domain_build_info info, uint32_t domid, libxl_domain_build_state *state)
keir@20462	192 {
keir@20462	193 char vments = NULL, localents = NULL;
keir@20462	194
keir@20509	195 build_pre(ctx, domid, info, state);
keir@20462	196 if (info->hvm) {
keir@20509	197 build_hvm(ctx, domid, info, state);
keir@20509	198 vments = libxl_calloc(ctx, 5, sizeof(char *));
keir@20516	199 vments[0] = "rtc/timeoffset";
keir@20516	200 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20516	201 vments[2] = "image/ostype";
keir@20516	202 vments[3] = "hvm";
keir@20462	203 } else {
keir@20509	204 build_pv(ctx, domid, info, state);
keir@20509	205 vments = libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	206 vments[0] = "image/ostype";
keir@20516	207 vments[1] = "linux";
keir@20516	208 vments[2] = "image/kernel";
keir@20516	209 vments[3] = (char*) info->kernel;
keir@20516	210 vments[4] = "image/ramdisk";
keir@20516	211 vments[5] = (char*) info->u.pv.ramdisk;
keir@20516	212 vments[6] = "image/cmdline";
keir@20516	213 vments[7] = (char*) info->u.pv.cmdline;
keir@20462	214 }
keir@20509	215 build_post(ctx, domid, info, state, vments, localents);
keir@20516	216 return 0;
keir@20462	217 }
keir@20462	218
keir@20462	219 int libxl_domain_restore(struct libxl_ctx ctx, libxl_domain_build_info info,
keir@20462	220 uint32_t domid, int fd)
keir@20462	221 {
keir@20462	222 libxl_domain_build_state state;
keir@20462	223 char vments = NULL, localents = NULL;
keir@20462	224
keir@20462	225 memset(&state, '\0', sizeof(state));
keir@20462	226
keir@20462	227 build_pre(ctx, domid, info, &state);
keir@20462	228 restore_common(ctx, domid, info, &state, fd);
keir@20462	229 if (info->hvm) {
keir@20462	230 vments = libxl_calloc(ctx, 4, sizeof(char *));
keir@20516	231 vments[0] = "rtc/timeoffset";
keir@20516	232 vments[1] = (info->u.hvm.timeoffset) ? info->u.hvm.timeoffset : "";
keir@20462	233 } else {
keir@20462	234 localents = libxl_calloc(ctx, 4 * 2, sizeof(char *));
keir@20516	235 localents[0] = "serial/0/limit";
keir@20462	236 localents[1] = libxl_sprintf(ctx, "%d", 65536);
keir@20516	237 localents[2] = "console/port";
keir@20462	238 localents[3] = libxl_sprintf(ctx, "%d", state.console_port);
keir@20516	239 localents[4] = "console/ring-ref";
keir@20462	240 localents[5] = libxl_sprintf(ctx, "%ld", state.console_mfn);
keir@20462	241 }
keir@20462	242 build_post(ctx, domid, info, &state, vments, localents);
keir@20462	243 return 0;
keir@20462	244 }
keir@20462	245
keir@20462	246 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx ctx, int nb_domain)
keir@20462	247 {
keir@20462	248 struct libxl_dominfo *ptr;
keir@20462	249 int index, i, ret, first_domain;
keir@20462	250 xc_domaininfo_t info[16];
keir@20462	251 int size = 16;
keir@20462	252
keir@20462	253 first_domain = 1;
keir@20462	254 index = 0;
keir@20516	255 ptr = calloc(size, sizeof(struct libxl_dominfo));
keir@20462	256 if (!ptr)
keir@20462	257 return NULL;
keir@20462	258 redo:
keir@20462	259 ret = xc_domain_getinfolist(ctx->xch, first_domain, 16, info);
keir@20462	260 for (i = 0; i < ret; i++) {
keir@20462	261 if (index == size) {
keir@20462	262 struct libxl_dominfo *ptr2;
keir@20462	263
keir@20516	264 ptr2 = calloc(size * 2, sizeof(struct libxl_dominfo));
keir@20462	265 if (!ptr2) {
keir@20516	266 free(ptr);
keir@20462	267 return NULL;
keir@20462	268 }
keir@20462	269 memcpy(ptr2, ptr, sizeof(struct libxl_dominfo) * size);
keir@20516	270 free(ptr);
keir@20462	271 ptr = ptr2;
keir@20462	272 size *= 2;
keir@20462	273 }
keir@20462	274 memcpy(ptr[index].uuid, info[i].handle, 16 * sizeof(uint8_t));
keir@20462	275 ptr[index].domid = info[i].domain;
keir@20462	276 first_domain = info[i].domain + 1;
keir@20462	277 index++;
keir@20462	278 }
keir@20462	279 if (ret == 16)
keir@20462	280 goto redo;
keir@20462	281 *nb_domain = index;
keir@20462	282 return ptr;
keir@20462	283 }
keir@20462	284
keir@20462	285 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx ctx, int nb_domain)
keir@20462	286 {
keir@20462	287 int index, first_domain;
keir@20462	288 xc_dominfo_t *info;
keir@20462	289 int size = 1024;
keir@20462	290
keir@20462	291 first_domain = 0;
keir@20462	292 index = 0;
keir@20516	293 info = (xc_dominfo_t *) calloc(size, sizeof(xc_dominfo_t));
keir@20462	294 if (!info) {
keir@20462	295 *nb_domain = 0;
keir@20462	296 return NULL;
keir@20462	297 }
keir@20462	298 *nb_domain = xc_domain_getinfo(ctx->xch, first_domain, 1024, info);
keir@20462	299 return info;
keir@20462	300 }
keir@20462	301
keir@20462	302 int libxl_domain_suspend(struct libxl_ctx ctx, libxl_domain_suspend_info info,
keir@20462	303 uint32_t domid, int fd)
keir@20462	304 {
keir@20462	305 int hvm = 1;
keir@20462	306 int live = 0;
keir@20462	307 int debug = 0;
keir@20462	308 char savesig[] = "XenSavedDomain\n";
keir@20462	309
keir@20462	310 write(fd, savesig, strlen(savesig));
keir@20462	311
keir@20462	312 core_suspend(ctx, domid, fd, hvm, live, debug);
keir@20462	313
keir@20462	314 return 0;
keir@20462	315 }
keir@20462	316
keir@20462	317 int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	318 {
keir@20462	319 xc_domain_pause(ctx->xch, domid);
keir@20462	320 return 0;
keir@20462	321 }
keir@20462	322
keir@20462	323 int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	324 {
keir@20462	325 xc_domain_unpause(ctx->xch, domid);
keir@20462	326 return 0;
keir@20462	327 }
keir@20462	328
keir@20462	329 static char *req_table[] = {
keir@20462	330 [0] = "poweroff",
keir@20462	331 [1] = "reboot",
keir@20462	332 [2] = "suspend",
keir@20462	333 [3] = "crash",
keir@20462	334 [4] = "halt",
keir@20462	335 };
keir@20462	336
keir@20462	337 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req)
keir@20462	338 {
keir@20462	339 char *shutdown_path;
keir@20462	340 char *dom_path;
keir@20462	341
keir@20462	342 if (req > ARRAY_SIZE(req_table))
keir@20462	343 return ERROR_INVAL;
keir@20462	344
keir@20462	345 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	346 if (!dom_path)
keir@20512	347 return ERROR_FAIL;
keir@20512	348
keir@20462	349 shutdown_path = libxl_sprintf(ctx, "%s/control/shutdown", dom_path);
keir@20462	350
keir@20462	351 xs_write(ctx->xsh, XBT_NULL, shutdown_path, req_table[req], strlen(req_table[req]));
keir@20462	352 if (/* hvm */ 0) {
keir@20462	353 unsigned long acpi_s_state = 0;
keir@20462	354 unsigned long pvdriver = 0;
keir@20462	355 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, &acpi_s_state);
keir@20462	356 xc_get_hvm_param(ctx->xch, domid, HVM_PARAM_CALLBACK_IRQ, &pvdriver);
keir@20462	357 if (!pvdriver && acpi_s_state != 0)
keir@20462	358 xc_domain_shutdown(ctx->xch, domid, req);
keir@20462	359 }
keir@20462	360 return 0;
keir@20462	361 }
keir@20462	362
keir@20545	363 int libxl_wait_for_domain_death(struct libxl_ctx ctx, uint32_t domid, int fd)
keir@20545	364 {
keir@20545	365 if (!xs_watch(ctx->xsh, "@releaseDomain", "domain_death"))
keir@20545	366 return -1;
keir@20545	367 *fd = xs_fileno(ctx->xsh);
keir@20545	368 return 0;
keir@20545	369 }
keir@20545	370
keir@20545	371 int libxl_is_domain_dead(struct libxl_ctx ctx, uint32_t domid, xc_dominfo_t info)
keir@20545	372 {
keir@20545	373 unsigned int num;
keir@20545	374 int nb_domain, i, rc = 0;
keir@20545	375 char **vec = NULL;
keir@20545	376 xc_dominfo_t *list = NULL;
keir@20545	377
keir@20545	378 vec = xs_read_watch(ctx->xsh, &num);
keir@20545	379 if (!vec)
keir@20545	380 return 0;
keir@20545	381 if (!strcmp(vec[XS_WATCH_TOKEN], "domain_death")) {
keir@20545	382 list = libxl_domain_infolist(ctx, &nb_domain);
keir@20545	383 for (i = 0; i < nb_domain; i++) {
keir@20545	384 if (domid == list[i].domid) {
keir@20545	385 if (list[i].running \|\| (!list[i].shutdown && !list[i].crashed && !list[i].dying))
keir@20545	386 goto out;
keir@20545	387 *info = list[i];
keir@20545	388 rc = 1;
keir@20545	389 goto out;
keir@20545	390 }
keir@20545	391 }
keir@20545	392 memset(info, 0x00, sizeof(xc_dominfo_t));
keir@20545	393 rc = 1;
keir@20545	394 goto out;
keir@20545	395 }
keir@20545	396
keir@20545	397 out:
keir@20545	398 free(list);
keir@20545	399 free(vec);
keir@20545	400 return rc;
keir@20545	401 }
keir@20545	402
keir@20462	403 static int libxl_destroy_device_model(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	404 {
keir@20462	405 char *pid;
keir@20462	406 int ret;
keir@20462	407
keir@20462	408 pid = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/image/device-model-pid", domid));
keir@20462	409 if (!pid) {
keir@20542	410 int stubdomid = libxl_get_stubdom_id(ctx, domid);
keir@20542	411 if (!stubdomid) {
keir@20542	412 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't find device model's pid");
keir@20542	413 return -1;
keir@20542	414 }
keir@20542	415 XL_LOG(ctx, XL_LOG_ERROR, "Device model is a stubdom, domid=%d\n", stubdomid);
keir@20542	416 return libxl_domain_destroy(ctx, stubdomid, 0);
keir@20462	417 }
keir@20462	418 xs_rm(ctx->xsh, XBT_NULL, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", domid));
keir@20462	419
keir@20462	420 ret = kill(atoi(pid), SIGHUP);
keir@20462	421 if (ret < 0 && errno == ESRCH) {
keir@20512	422 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model already exited");
keir@20462	423 ret = 0;
keir@20462	424 } else if (ret == 0) {
keir@20512	425 XL_LOG(ctx, XL_LOG_DEBUG, "Device Model signaled");
keir@20462	426 ret = 0;
keir@20462	427 } else {
keir@20512	428 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "failed to kill Device Model [%d]",
keir@20512	429 atoi(pid));
keir@20462	430 }
keir@20462	431 return ret;
keir@20462	432 }
keir@20462	433
keir@20462	434 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force)
keir@20462	435 {
keir@20462	436 char *dom_path, vm_path[41];
keir@20468	437 xen_uuid_t *uuid;
keir@20512	438 int rc;
keir@20462	439
keir@20462	440 dom_path = libxl_xs_get_dompath(ctx, domid);
keir@20512	441 if (!dom_path)
keir@20462	442 return -1;
keir@20512	443
keir@20462	444 if (libxl_domid_to_uuid(ctx, &uuid, domid) < 0) {
keir@20512	445 XL_LOG(ctx, XL_LOG_ERROR, "failed ot get uuid for %d", domid);
keir@20462	446 return -1;
keir@20462	447 }
keir@20482	448 if (libxl_device_pci_shutdown(ctx, domid) < 0)
keir@20512	449 XL_LOG(ctx, XL_LOG_ERROR, "pci shutdown failed for domid %d", domid);
keir@20462	450 xs_write(ctx->xsh, XBT_NULL,
keir@20462	451 libxl_sprintf(ctx, "/local/domain/0/device-model/%d/command", domid),
keir@20462	452 "shutdown", strlen("shutdown"));
keir@20512	453 rc = xc_domain_pause(ctx->xch, domid);
keir@20512	454 if (rc < 0) {
keir@20512	455 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_pause failed for %d", domid);
keir@20462	456 return -1;
keir@20462	457 }
keir@20542	458 if (libxl_destroy_device_model(ctx, domid) < 0)
keir@20542	459 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_device_model failed for %d", domid);
keir@20462	460 if (libxl_devices_destroy(ctx, domid, force) < 0)
keir@20512	461 XL_LOG(ctx, XL_LOG_ERROR, "libxl_destroy_devices failed for %d", domid);
keir@20462	462 if (!xs_rm(ctx->xsh, XBT_NULL, dom_path))
keir@20512	463 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", dom_path);
keir@20468	464 snprintf(vm_path, sizeof(vm_path), "/vm/%s", libxl_uuid_to_string(ctx, uuid));
keir@20462	465 if (!xs_rm(ctx->xsh, XBT_NULL, vm_path))
keir@20512	466 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "xs_rm failed for %s", vm_path);
keir@20545	467 rc = xc_domain_destroy(ctx->xch, domid);
keir@20545	468 if (rc < 0) {
keir@20545	469 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_destroy failed for %d", domid);
keir@20545	470 return -1;
keir@20545	471 }
keir@20462	472 return 0;
keir@20462	473 }
keir@20462	474
keir@20564	475 int libxl_console_attach(struct libxl_ctx *ctx, uint32_t domid, int cons_num)
keir@20564	476 {
keir@20564	477 struct stat st;
keir@20564	478 const char *XENCONSOLE = "/usr/lib/xen/bin/xenconsole";
keir@20564	479 char *cmd;
keir@20564	480
keir@20564	481 if (stat(XENCONSOLE, &st) != 0) {
keir@20564	482 XL_LOG(ctx, XL_LOG_ERROR, "could not access %s", XENCONSOLE);
keir@20564	483 return ERROR_FAIL;
keir@20564	484 }
keir@20564	485
keir@20564	486 cmd = libxl_sprintf(ctx, "%s %d --num %d", XENCONSOLE, domid, cons_num);
keir@20564	487 return (system(cmd) != 0) ? ERROR_FAIL : 0;
keir@20564	488 }
keir@20564	489
keir@20462	490 static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
keir@20462	491 libxl_device_model_info *info,
keir@20462	492 libxl_device_nic *vifs,
keir@20462	493 int num_vifs)
keir@20462	494 {
keir@20462	495 int num = 0, i;
keir@20462	496 flexarray_t *dm_args;
keir@20462	497 dm_args = flexarray_make(16, 1);
keir@20462	498 if (!dm_args)
keir@20462	499 return NULL;
keir@20462	500
keir@20516	501 flexarray_set(dm_args, num++, "qemu-dm");
keir@20516	502 flexarray_set(dm_args, num++, "-d");
keir@20462	503
keir@20462	504 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->domid));
keir@20462	505
keir@20462	506 if (info->dom_name) {
keir@20516	507 flexarray_set(dm_args, num++, "-domain-name");
keir@20516	508 flexarray_set(dm_args, num++, info->dom_name);
keir@20462	509 }
keir@20462	510 if (info->vnc \|\| info->vncdisplay \|\| info->vnclisten \|\| info->vncunused) {
keir@20516	511 flexarray_set(dm_args, num++, "-vnc");
keir@20462	512 if (info->vncdisplay) {
keir@20462	513 if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
keir@20462	514 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:%d", info->vnclisten, info->vncdisplay));
keir@20462	515 } else {
keir@20462	516 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "127.0.0.1:%d", info->vncdisplay));
keir@20462	517 }
keir@20462	518 } else if (info->vnclisten) {
keir@20462	519 if (strchr(info->vnclisten, ':') != NULL) {
keir@20516	520 flexarray_set(dm_args, num++, info->vnclisten);
keir@20462	521 } else {
keir@20462	522 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%s:0", info->vnclisten));
keir@20462	523 }
keir@20462	524 } else {
keir@20516	525 flexarray_set(dm_args, num++, "127.0.0.1:0");
keir@20462	526 }
keir@20462	527 if (info->vncunused) {
keir@20516	528 flexarray_set(dm_args, num++, "-vncunused");
keir@20462	529 }
keir@20462	530 }
keir@20462	531 if (info->sdl \|\| info->opengl) {
keir@20516	532 flexarray_set(dm_args, num++, "-sdl");
keir@20462	533 if (info->opengl) {
keir@20516	534 flexarray_set(dm_args, num++, "-disable-opengl");
keir@20462	535 }
keir@20462	536 }
keir@20462	537 if (info->keymap) {
keir@20516	538 flexarray_set(dm_args, num++, "-k");
keir@20516	539 flexarray_set(dm_args, num++, info->keymap);
keir@20462	540 }
keir@20462	541 if (info->nographic && (!info->sdl && !info->vnc)) {
keir@20516	542 flexarray_set(dm_args, num++, "-nographic");
keir@20462	543 }
keir@20462	544 if (info->serial) {
keir@20516	545 flexarray_set(dm_args, num++, "-serial");
keir@20516	546 flexarray_set(dm_args, num++, info->serial);
keir@20462	547 }
keir@20509	548 if (info->type == XENFV) {
keir@20509	549 if (info->videoram) {
keir@20516	550 flexarray_set(dm_args, num++, "-videoram");
keir@20509	551 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "%d", info->videoram));
keir@20509	552 }
keir@20509	553 if (info->stdvga) {
keir@20516	554 flexarray_set(dm_args, num++, "-std-vga");
keir@20509	555 }
keir@20509	556
keir@20509	557 if (info->boot) {
keir@20516	558 flexarray_set(dm_args, num++, "-boot");
keir@20516	559 flexarray_set(dm_args, num++, info->boot);
keir@20509	560 }
keir@20509	561 if (info->usb) {
keir@20516	562 flexarray_set(dm_args, num++, "-usb");
keir@20509	563 if (info->usbdevice) {
keir@20516	564 flexarray_set(dm_args, num++, "-usbdevice");
keir@20516	565 flexarray_set(dm_args, num++, info->usbdevice);
keir@20509	566 }
keir@20509	567 }
keir@20509	568 if (info->apic) {
keir@20516	569 flexarray_set(dm_args, num++, "-acpi");
keir@20509	570 }
keir@20509	571 for (i = 0; i < num_vifs; i++) {
keir@20509	572 if (vifs[i].nictype == NICTYPE_IOEMU) {
keir@20516	573 flexarray_set(dm_args, num++, "-net");
keir@20509	574 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
keir@20509	575 vifs[i].devid, vifs[i].smac, vifs[i].model));
keir@20516	576 flexarray_set(dm_args, num++, "-net");
keir@20509	577 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "tap,vlan=%d,ifname=%s,bridge=%s",
keir@20509	578 vifs[i].devid, vifs[i].ifname, vifs[i].bridge));
keir@20509	579 }
keir@20462	580 }
keir@20462	581 }
keir@20509	582 for (i = 0; info->extra && info->extra[i] != NULL; i++)
keir@20509	583 flexarray_set(dm_args, num++, info->extra[i]);
keir@20516	584 flexarray_set(dm_args, num++, "-M");
keir@20509	585 if (info->type == XENPV)
keir@20516	586 flexarray_set(dm_args, num++, "xenpv");
keir@20509	587 else
keir@20516	588 flexarray_set(dm_args, num++, "xenfv");
keir@20462	589 flexarray_set(dm_args, num++, NULL);
keir@20462	590
keir@20462	591 return (char **) flexarray_contents(dm_args);
keir@20462	592 }
keir@20462	593
keir@20514	594 struct libxl_device_model_starting {
keir@20514	595 struct libxl_spawn_starting for_spawn; /* first! */
keir@20514	596 char dom_path; / from libxl_malloc, only for dm_xenstore_record_pid */
keir@20514	597 int domid;
keir@20514	598 };
keir@20514	599
keir@20514	600 void dm_xenstore_record_pid(struct libxl_ctx ctx, void for_spawn,
keir@20514	601 pid_t innerchild) {
keir@20514	602 struct libxl_device_model_starting *starting = for_spawn;
keir@20514	603 struct libxl_ctx clone;
keir@20514	604 char *kvs[3];
keir@20514	605 int rc;
keir@20514	606
keir@20514	607 clone = *ctx;
keir@20514	608 clone.xsh = xs_daemon_open();
keir@20514	609 /* we mustn't use the parent's handle in the child */
keir@20514	610
keir@20514	611 kvs[0] = "image/device-model-pid";
keir@20514	612 kvs[1] = libxl_sprintf(ctx, "%d", innerchild);
keir@20514	613 kvs[2] = NULL;
keir@20514	614 rc = libxl_xs_writev(ctx, XBT_NULL, starting->dom_path, kvs);
keir@20514	615 if (rc) XL_LOG_ERRNO(ctx, XL_LOG_ERROR,
keir@20514	616 "Couldn't record device model pid %ld at %s/%s",
keir@20514	617 (unsigned long)innerchild, starting->dom_path, kvs);
keir@20514	618 }
keir@20514	619
keir@20542	620 static int libxl_vfb_and_vkb_from_device_model_info(struct libxl_ctx *ctx,
keir@20542	621 libxl_device_model_info *info,
keir@20542	622 libxl_device_vfb *vfb,
keir@20542	623 libxl_device_vkb *vkb)
keir@20542	624 {
keir@20542	625 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	626 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	627
keir@20542	628 vfb->backend_domid = 0;
keir@20542	629 vfb->devid = 0;
keir@20542	630 vfb->vnc = info->vnc;
keir@20542	631 vfb->vnclisten = info->vnclisten;
keir@20542	632 vfb->vncdisplay = info->vncdisplay;
keir@20542	633 vfb->vncunused = info->vncunused;
keir@20542	634 vfb->keymap = info->keymap;
keir@20542	635 vfb->sdl = info->sdl;
keir@20542	636 vfb->opengl = info->opengl;
keir@20542	637
keir@20542	638 vkb->backend_domid = 0;
keir@20542	639 vkb->devid = 0;
keir@20542	640 return 0;
keir@20542	641 }
keir@20542	642
keir@20542	643 static int libxl_write_dmargs(struct libxl_ctx ctx, int domid, int guest_domid, char *args)
keir@20542	644 {
keir@20542	645 int i;
keir@20542	646 char *vm_path;
keir@20542	647 char dmargs, path;
keir@20542	648 int dmargs_size;
keir@20542	649 struct xs_permissions roperm[2];
keir@20542	650 xs_transaction_t t;
keir@20542	651
keir@20542	652 roperm[0].id = 0;
keir@20542	653 roperm[0].perms = XS_PERM_NONE;
keir@20542	654 roperm[1].id = domid;
keir@20542	655 roperm[1].perms = XS_PERM_READ;
keir@20542	656
keir@20542	657 vm_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "/local/domain/%d/vm", guest_domid));
keir@20542	658
keir@20542	659 i = 0;
keir@20542	660 dmargs_size = 0;
keir@20542	661 while (args[i] != NULL) {
keir@20542	662 dmargs_size = dmargs_size + strlen(args[i]) + 1;
keir@20542	663 i++;
keir@20542	664 }
keir@20542	665 dmargs_size++;
keir@20542	666 dmargs = (char *) malloc(dmargs_size);
keir@20542	667 i = 1;
keir@20542	668 dmargs[0] = '\0';
keir@20542	669 while (args[i] != NULL) {
keir@20542	670 if (strcmp(args[i], "-sdl") && strcmp(args[i], "-M") && strcmp(args[i], "xenfv")) {
keir@20542	671 strcat(dmargs, " ");
keir@20542	672 strcat(dmargs, args[i]);
keir@20542	673 }
keir@20542	674 i++;
keir@20542	675 }
keir@20542	676 path = libxl_sprintf(ctx, "%s/image/dmargs", vm_path);
keir@20542	677
keir@20542	678 retry_transaction:
keir@20542	679 t = xs_transaction_start(ctx->xsh);
keir@20542	680 xs_write(ctx->xsh, t, path, dmargs, strlen(dmargs));
keir@20542	681 xs_set_permissions(ctx->xsh, t, path, roperm, ARRAY_SIZE(roperm));
keir@20542	682 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "%s/rtc/timeoffset", vm_path), roperm, ARRAY_SIZE(roperm));
keir@20542	683 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	684 if (errno == EAGAIN)
keir@20542	685 goto retry_transaction;
keir@20542	686 free(dmargs);
keir@20542	687 return 0;
keir@20542	688 }
keir@20542	689
keir@20542	690 static int libxl_create_stubdom(struct libxl_ctx *ctx,
keir@20542	691 libxl_device_model_info *info,
keir@20542	692 libxl_device_disk *disks, int num_disks,
keir@20542	693 libxl_device_nic *vifs, int num_vifs,
keir@20542	694 libxl_device_vfb *vfb,
keir@20542	695 libxl_device_vkb *vkb,
keir@20542	696 libxl_device_model_starting **starting_r)
keir@20542	697 {
keir@20542	698 int i;
keir@20542	699 libxl_device_console console;
keir@20542	700 libxl_domain_create_info c_info;
keir@20542	701 libxl_domain_build_info b_info;
keir@20542	702 libxl_domain_build_state state;
keir@20542	703 uint32_t domid;
keir@20542	704 char **args;
keir@20542	705 xen_uuid_t uuid[16];
keir@20542	706 struct xs_permissions perm[2];
keir@20542	707 xs_transaction_t t;
keir@20542	708
keir@20542	709 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20542	710 if (!args)
keir@20542	711 return ERROR_FAIL;
keir@20542	712
keir@20542	713 memset(&c_info, 0x00, sizeof(libxl_domain_create_info));
keir@20542	714 c_info.hvm = 0;
keir@20542	715 c_info.name = libxl_sprintf(ctx, "%s-dm", libxl_domid_to_name(ctx, info->domid));
keir@20542	716 xen_uuid_generate(uuid);
keir@20542	717 c_info.uuid = uuid;
keir@20542	718
keir@20542	719 memset(&b_info, 0x00, sizeof(libxl_domain_build_info));
keir@20542	720 b_info.max_vcpus = 1;
keir@20542	721 b_info.max_memkb = 32 * 1024;
keir@20542	722 b_info.kernel = "/usr/lib/xen/boot/ioemu-stubdom.gz";
keir@20542	723 b_info.u.pv.cmdline = libxl_sprintf(ctx, " -d %d", info->domid);
keir@20542	724 b_info.u.pv.ramdisk = "";
keir@20542	725 b_info.u.pv.features = "";
keir@20542	726 b_info.hvm = 0;
keir@20542	727
keir@20542	728 libxl_domain_make(ctx, &c_info, &domid);
keir@20542	729 libxl_domain_build(ctx, &b_info, domid, &state);
keir@20542	730
keir@20542	731 libxl_write_dmargs(ctx, domid, info->domid, args);
keir@20542	732 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/image/device-model-domid", libxl_xs_get_dompath(ctx, info->domid)), "%d", domid);
keir@20542	733 libxl_xs_write(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/target", libxl_xs_get_dompath(ctx, domid)), "%d", info->domid);
keir@20542	734 xc_domain_set_target(ctx->xch, domid, info->domid);
keir@20542	735 xs_set_target(ctx->xsh, domid, info->domid);
keir@20542	736
keir@20542	737 perm[0].id = domid;
keir@20542	738 perm[0].perms = XS_PERM_NONE;
keir@20542	739 perm[1].id = info->domid;
keir@20542	740 perm[1].perms = XS_PERM_READ;
keir@20542	741 retry_transaction:
keir@20542	742 t = xs_transaction_start(ctx->xsh);
keir@20542	743 xs_mkdir(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid));
keir@20542	744 xs_set_permissions(ctx->xsh, t, libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid), perm, ARRAY_SIZE(perm));
keir@20542	745 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	746 if (errno == EAGAIN)
keir@20542	747 goto retry_transaction;
keir@20542	748
keir@20542	749 for (i = 0; i < num_disks; i++) {
keir@20542	750 libxl_device_disk disk = disks[i];
keir@20542	751 disk_info_domid_fixup(&disk, domid);
keir@20542	752 libxl_device_disk_add(ctx, domid, &disk);
keir@20542	753 }
keir@20542	754 for (i = 0; i < num_vifs; i++) {
keir@20542	755 libxl_device_nic nic = vifs[i];
keir@20542	756 nic_info_domid_fixup(&nic, domid);
keir@20542	757 libxl_device_nic_add(ctx, domid, &nic);
keir@20542	758 }
keir@20542	759 vfb_info_domid_fixup(vfb, domid);
keir@20542	760 libxl_device_vfb_add(ctx, domid, vfb);
keir@20542	761 vkb_info_domid_fixup(vkb, domid);
keir@20542	762 libxl_device_vkb_add(ctx, domid, vkb);
keir@20542	763
keir@20542	764 init_console_info(&console, 0, &state);
keir@20542	765 console_info_domid_fixup(&console, domid);
keir@20542	766 console.constype = CONSTYPE_IOEMU;
keir@20542	767 libxl_device_console_add(ctx, domid, &console);
keir@20542	768 libxl_create_xenpv_qemu(ctx, vfb, 1, &console, starting_r);
keir@20542	769
keir@20542	770 libxl_domain_unpause(ctx, domid);
keir@20542	771
keir@20542	772 free(args);
keir@20542	773 return 0;
keir@20542	774 }
keir@20542	775
keir@20462	776 int libxl_create_device_model(struct libxl_ctx *ctx,
keir@20462	777 libxl_device_model_info *info,
keir@20542	778 libxl_device_disk *disks, int num_disks,
keir@20514	779 libxl_device_nic *vifs, int num_vifs,
keir@20514	780 libxl_device_model_starting **starting_r)
keir@20462	781 {
keir@20546	782 char path, logfile;
keir@20514	783 int logfile_w, null;
keir@20546	784 int rc;
keir@20462	785 char **args;
keir@20514	786 struct libxl_spawn_starting buf_spawn, *for_spawn;
keir@20514	787
keir@20542	788 if (strstr(info->device_model, "stubdom-dm")) {
keir@20542	789 libxl_device_vfb vfb;
keir@20542	790 libxl_device_vkb vkb;
keir@20542	791
keir@20542	792 libxl_vfb_and_vkb_from_device_model_info(ctx, info, &vfb, &vkb);
keir@20542	793 return libxl_create_stubdom(ctx, info, disks, num_disks, vifs, num_vifs, &vfb, &vkb, starting_r);
keir@20542	794 }
keir@20542	795
keir@20514	796 *starting_r= 0;
keir@20462	797
keir@20462	798 args = libxl_build_device_model_args(ctx, info, vifs, num_vifs);
keir@20462	799 if (!args)
keir@20462	800 return ERROR_FAIL;
keir@20462	801
keir@20462	802 path = libxl_sprintf(ctx, "/local/domain/0/device-model/%d", info->domid);
keir@20462	803 xs_mkdir(ctx->xsh, XBT_NULL, path);
keir@20462	804
keir@20546	805 libxl_create_logfile(ctx, libxl_sprintf(ctx, "qemu-dm-%s", info->dom_name), &logfile);
keir@20467	806 logfile_w = open(logfile, O_WRONLY\|O_CREAT, 0644);
keir@20546	807 free(logfile);
keir@20462	808 null = open("/dev/null", O_RDONLY);
keir@20514	809
keir@20514	810 if (starting_r) {
keir@20516	811 rc = ERROR_NOMEM;
keir@20514	812 starting_r= libxl_calloc(ctx, sizeof(*starting_r), 1);
keir@20516	813 if (!*starting_r) goto xit;
keir@20514	814 (*starting_r)->domid= info->domid;
keir@20514	815
keir@20514	816 (*starting_r)->dom_path = libxl_xs_get_dompath(ctx, info->domid);
keir@20514	817 if (!(starting_r)->dom_path) { free(starting_r); return ERROR_FAIL; }
keir@20514	818
keir@20514	819 for_spawn= &(*starting_r)->for_spawn;
keir@20514	820 } else {
keir@20514	821 for_spawn= &buf_spawn;
keir@20514	822 }
keir@20514	823 rc = libxl_spawn_spawn(ctx, for_spawn, "device model",
keir@20514	824 dm_xenstore_record_pid);
keir@20514	825 if (rc < 0) goto xit;
keir@20514	826 if (!rc) { /* inner child */
keir@20514	827 libxl_exec(ctx, null, logfile_w, logfile_w,
keir@20514	828 info->device_model, args);
keir@20514	829 }
keir@20514	830
keir@20514	831 rc = 0;
keir@20514	832 xit:
keir@20516	833 free(args);
keir@20462	834 close(null);
keir@20462	835 close(logfile_w);
keir@20462	836
keir@20514	837 return rc;
keir@20514	838 }
keir@20514	839
keir@20514	840 int libxl_detach_device_model(struct libxl_ctx *ctx,
keir@20514	841 libxl_device_model_starting *starting) {
keir@20514	842 int rc;
keir@20514	843 rc = libxl_spawn_detach(ctx, &starting->for_spawn);
keir@20514	844 libxl_free(ctx, starting);
keir@20514	845 return rc;
keir@20514	846 }
keir@20462	847
keir@20514	848
keir@20514	849 int libxl_confirm_device_model_startup(struct libxl_ctx *ctx,
keir@20514	850 libxl_device_model_starting *starting) {
keir@20514	851 int problem = libxl_wait_for_device_model(ctx, starting->domid, "running",
keir@20514	852 libxl_spawn_check,
keir@20514	853 &starting->for_spawn);
keir@20514	854 int detach = libxl_detach_device_model(ctx, starting);
keir@20514	855 return problem ? problem : detach;
keir@20542	856 return 0;
keir@20462	857 }
keir@20462	858
keir@20514	859
keir@20462	860 /******************************************************************************/
keir@20462	861 int libxl_device_disk_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_disk disk)
keir@20462	862 {
keir@20462	863 flexarray_t *front;
keir@20462	864 flexarray_t *back;
keir@20462	865 char *backend_type;
keir@20462	866 unsigned int boffset = 0;
keir@20462	867 unsigned int foffset = 0;
keir@20462	868 int devid;
keir@20462	869 libxl_device device;
keir@20462	870
keir@20462	871 front = flexarray_make(16, 1);
keir@20462	872 if (!front)
keir@20462	873 return ERROR_NOMEM;
keir@20462	874 back = flexarray_make(16, 1);
keir@20462	875 if (!back) /* leaks front if error */
keir@20462	876 return ERROR_NOMEM;
keir@20462	877
keir@20462	878 backend_type = device_disk_backend_type_of_phystype(disk->phystype);
keir@20462	879 devid = device_disk_dev_number(disk->virtpath);
keir@20462	880
keir@20462	881 device.backend_devid = devid;
keir@20462	882 device.backend_domid = disk->backend_domid;
keir@20462	883 device.devid = devid;
keir@20462	884 device.domid = disk->domid;
keir@20462	885 device.kind = DEVICE_VBD;
keir@20462	886
keir@20462	887 switch (disk->phystype) {
keir@20462	888 case PHYSTYPE_FILE:
keir@20462	889 return ERROR_NI; /* FIXME */
keir@20462	890 break;
keir@20462	891 case PHYSTYPE_PHY: {
keir@20462	892 int major, minor;
keir@20462	893
keir@20509	894 device_physdisk_major_minor(disk->physpath, &major, &minor);
keir@20516	895 flexarray_set(back, boffset++, "physical-device");
keir@20462	896 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x:%x", major, minor));
keir@20462	897
keir@20516	898 flexarray_set(back, boffset++, "params");
keir@20516	899 flexarray_set(back, boffset++, disk->physpath);
keir@20462	900
keir@20462	901 device.backend_kind = DEVICE_VBD;
keir@20462	902 break;
keir@20462	903 }
keir@20462	904 case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case PHYSTYPE_VHD:
keir@20516	905 flexarray_set(back, boffset++, "params");
keir@20462	906 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%s:%s",
keir@20462	907 device_disk_string_of_phystype(disk->phystype), disk->physpath));
keir@20462	908
keir@20462	909 device.backend_kind = DEVICE_TAP;
keir@20462	910 break;
keir@20462	911 }
keir@20462	912
keir@20516	913 flexarray_set(back, boffset++, "frontend-id");
keir@20462	914 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", disk->domid));
keir@20516	915 flexarray_set(back, boffset++, "online");
keir@20516	916 flexarray_set(back, boffset++, "1");
keir@20516	917 flexarray_set(back, boffset++, "removable");
keir@20462	918 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", (disk->unpluggable) ? 1 : 0));
keir@20516	919 flexarray_set(back, boffset++, "bootable");
keir@20509	920 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	921 flexarray_set(back, boffset++, "state");
keir@20462	922 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	923 flexarray_set(back, boffset++, "dev");
keir@20516	924 flexarray_set(back, boffset++, disk->virtpath);
keir@20516	925 flexarray_set(back, boffset++, "type");
keir@20516	926 flexarray_set(back, boffset++, backend_type);
keir@20516	927 flexarray_set(back, boffset++, "mode");
keir@20516	928 flexarray_set(back, boffset++, disk->readwrite ? "w" : "r");
keir@20462	929
keir@20516	930 flexarray_set(front, foffset++, "backend-id");
keir@20462	931 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", disk->backend_domid));
keir@20516	932 flexarray_set(front, foffset++, "state");
keir@20462	933 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	934 flexarray_set(front, foffset++, "virtual-device");
keir@20462	935 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", devid));
keir@20516	936 flexarray_set(front, foffset++, "device-type");
keir@20516	937 flexarray_set(front, foffset++, disk->is_cdrom ? "cdrom" : "disk");
keir@20462	938
keir@20462	939 if (0 /* protocol != native*/) {
keir@20516	940 flexarray_set(front, foffset++, "protocol");
keir@20516	941 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	942 }
keir@20462	943
keir@20462	944 libxl_device_generic_add(ctx, &device,
keir@20462	945 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	946 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	947 flexarray_free(back);
keir@20516	948 flexarray_free(front);
keir@20462	949 return 0;
keir@20462	950 }
keir@20462	951
keir@20462	952 int libxl_device_disk_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	953 {
keir@20462	954 return ERROR_NI;
keir@20462	955 }
keir@20462	956
keir@20462	957 int libxl_device_disk_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	958 {
keir@20462	959 return ERROR_NI;
keir@20462	960 }
keir@20462	961
keir@20462	962 /******************************************************************************/
keir@20462	963 int libxl_device_nic_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_nic nic)
keir@20462	964 {
keir@20462	965 flexarray_t *front;
keir@20462	966 flexarray_t *back;
keir@20462	967 unsigned int boffset = 0;
keir@20462	968 unsigned int foffset = 0;
keir@20462	969 libxl_device device;
keir@20462	970
keir@20462	971 front = flexarray_make(16, 1);
keir@20462	972 if (!front)
keir@20462	973 return ERROR_NOMEM;
keir@20462	974 back = flexarray_make(16, 1);
keir@20462	975 if (!back)
keir@20462	976 return ERROR_NOMEM;
keir@20462	977
keir@20462	978 device.backend_devid = nic->devid;
keir@20462	979 device.backend_domid = nic->backend_domid;
keir@20462	980 device.backend_kind = DEVICE_VIF;
keir@20462	981 device.devid = nic->devid;
keir@20462	982 device.domid = nic->domid;
keir@20462	983 device.kind = DEVICE_VIF;
keir@20462	984
keir@20516	985 flexarray_set(back, boffset++, "frontend-id");
keir@20462	986 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->domid));
keir@20516	987 flexarray_set(back, boffset++, "online");
keir@20516	988 flexarray_set(back, boffset++, "1");
keir@20516	989 flexarray_set(back, boffset++, "state");
keir@20462	990 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	991 flexarray_set(back, boffset++, "script");
keir@20516	992 flexarray_set(back, boffset++, nic->script);
keir@20516	993 flexarray_set(back, boffset++, "mac");
keir@20462	994 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	995 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	996 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20516	997 flexarray_set(back, boffset++, "handle");
keir@20462	998 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20462	999
keir@20516	1000 flexarray_set(front, foffset++, "backend-id");
keir@20462	1001 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->backend_domid));
keir@20516	1002 flexarray_set(front, foffset++, "state");
keir@20462	1003 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1004 flexarray_set(front, foffset++, "handle");
keir@20462	1005 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", nic->devid));
keir@20516	1006 flexarray_set(front, foffset++, "mac");
keir@20462	1007 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x",
keir@20462	1008 nic->mac[0], nic->mac[1], nic->mac[2],
keir@20462	1009 nic->mac[3], nic->mac[4], nic->mac[5]));
keir@20462	1010 if (0 /* protocol != native*/) {
keir@20516	1011 flexarray_set(front, foffset++, "protocol");
keir@20516	1012 flexarray_set(front, foffset++, "x86_32-abi"); /* hardcoded ! */
keir@20462	1013 }
keir@20462	1014
keir@20462	1015 libxl_device_generic_add(ctx, &device,
keir@20462	1016 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20462	1017 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20462	1018
keir@20462	1019 /* FIXME: wait for plug */
keir@20516	1020 flexarray_free(back);
keir@20516	1021 flexarray_free(front);
keir@20462	1022 return 0;
keir@20462	1023 }
keir@20462	1024
keir@20462	1025 int libxl_device_nic_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1026 {
keir@20462	1027 return ERROR_NI;
keir@20462	1028 }
keir@20462	1029
keir@20462	1030 int libxl_device_nic_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1031 {
keir@20462	1032 return ERROR_NI;
keir@20462	1033 }
keir@20462	1034
keir@20462	1035 /******************************************************************************/
keir@20509	1036 int libxl_device_console_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_console console)
keir@20462	1037 {
keir@20509	1038 flexarray_t *front;
keir@20509	1039 flexarray_t *back;
keir@20509	1040 unsigned int boffset = 0;
keir@20509	1041 unsigned int foffset = 0;
keir@20509	1042 libxl_device device;
keir@20509	1043
keir@20509	1044 if (console->build_state) {
keir@20509	1045 xs_transaction_t t;
keir@20509	1046 char ents = (char ) libxl_calloc(ctx, 9, sizeof(char *));
keir@20516	1047 ents[0] = "console/port";
keir@20509	1048 ents[1] = libxl_sprintf(ctx, "%"PRIu32, console->build_state->console_port);
keir@20516	1049 ents[2] = "console/ring-ref";
keir@20509	1050 ents[3] = libxl_sprintf(ctx, "%lu", console->build_state->console_mfn);
keir@20516	1051 ents[4] = "console/limit";
keir@20509	1052 ents[5] = libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT);
keir@20516	1053 ents[6] = "console/type";
keir@20509	1054 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20509	1055 ents[7] = "xenconsoled";
keir@20509	1056 else
keir@20509	1057 ents[7] = "ioemu";
keir@20509	1058 retry_transaction:
keir@20509	1059 t = xs_transaction_start(ctx->xsh);
keir@20516	1060 libxl_xs_writev(ctx, t, libxl_xs_get_dompath(ctx, console->domid), ents);
keir@20509	1061 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20509	1062 if (errno == EAGAIN)
keir@20509	1063 goto retry_transaction;
keir@20509	1064 }
keir@20509	1065
keir@20509	1066 front = flexarray_make(16, 1);
keir@20509	1067 if (!front)
keir@20509	1068 return ERROR_NOMEM;
keir@20509	1069 back = flexarray_make(16, 1);
keir@20509	1070 if (!back)
keir@20509	1071 return ERROR_NOMEM;
keir@20509	1072
keir@20509	1073 device.backend_devid = console->devid;
keir@20509	1074 device.backend_domid = console->backend_domid;
keir@20509	1075 device.backend_kind = DEVICE_CONSOLE;
keir@20509	1076 device.devid = console->devid;
keir@20509	1077 device.domid = console->domid;
keir@20509	1078 device.kind = DEVICE_CONSOLE;
keir@20509	1079
keir@20516	1080 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1081 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", console->domid));
keir@20516	1082 flexarray_set(back, boffset++, "online");
keir@20516	1083 flexarray_set(back, boffset++, "1");
keir@20516	1084 flexarray_set(back, boffset++, "state");
keir@20509	1085 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1086 flexarray_set(back, boffset++, "domain");
keir@20516	1087 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1088 flexarray_set(back, boffset++, "protocol");
keir@20516	1089 flexarray_set(back, boffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20509	1090
keir@20516	1091 flexarray_set(front, foffset++, "backend-id");
keir@20509	1092 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", console->backend_domid));
keir@20516	1093 flexarray_set(front, foffset++, "state");
keir@20509	1094 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1095 flexarray_set(front, foffset++, "limit");
keir@20509	1096 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", LIBXL_XENCONSOLE_LIMIT));
keir@20516	1097 flexarray_set(front, foffset++, "protocol");
keir@20516	1098 flexarray_set(front, foffset++, LIBXL_XENCONSOLE_PROTOCOL);
keir@20516	1099 flexarray_set(front, foffset++, "type");
keir@20509	1100 if (console->constype == CONSTYPE_XENCONSOLED)
keir@20516	1101 flexarray_set(front, foffset++, "xenconsoled");
keir@20509	1102 else
keir@20516	1103 flexarray_set(front, foffset++, "ioemu");
keir@20509	1104
keir@20509	1105 libxl_device_generic_add(ctx, &device,
keir@20509	1106 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1107 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1108 flexarray_free(back);
keir@20516	1109 flexarray_free(front);
keir@20509	1110
keir@20509	1111 return 0;
keir@20509	1112 }
keir@20509	1113
keir@20509	1114 /******************************************************************************/
keir@20509	1115 int libxl_device_vkb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vkb vkb)
keir@20509	1116 {
keir@20509	1117 flexarray_t *front;
keir@20509	1118 flexarray_t *back;
keir@20509	1119 unsigned int boffset = 0;
keir@20509	1120 unsigned int foffset = 0;
keir@20509	1121 libxl_device device;
keir@20509	1122
keir@20509	1123 front = flexarray_make(16, 1);
keir@20509	1124 if (!front)
keir@20509	1125 return ERROR_NOMEM;
keir@20509	1126 back = flexarray_make(16, 1);
keir@20509	1127 if (!back)
keir@20509	1128 return ERROR_NOMEM;
keir@20509	1129
keir@20509	1130 device.backend_devid = vkb->devid;
keir@20509	1131 device.backend_domid = vkb->backend_domid;
keir@20509	1132 device.backend_kind = DEVICE_VKBD;
keir@20509	1133 device.devid = vkb->devid;
keir@20509	1134 device.domid = vkb->domid;
keir@20509	1135 device.kind = DEVICE_VKBD;
keir@20509	1136
keir@20516	1137 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1138 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vkb->domid));
keir@20516	1139 flexarray_set(back, boffset++, "online");
keir@20516	1140 flexarray_set(back, boffset++, "1");
keir@20516	1141 flexarray_set(back, boffset++, "state");
keir@20509	1142 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1143 flexarray_set(back, boffset++, "domain");
keir@20516	1144 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20509	1145
keir@20516	1146 flexarray_set(front, foffset++, "backend-id");
keir@20509	1147 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vkb->backend_domid));
keir@20516	1148 flexarray_set(front, foffset++, "state");
keir@20509	1149 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1150
keir@20509	1151 libxl_device_generic_add(ctx, &device,
keir@20509	1152 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1153 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20516	1154 flexarray_free(back);
keir@20516	1155 flexarray_free(front);
keir@20509	1156
keir@20509	1157 return 0;
keir@20462	1158 }
keir@20462	1159
keir@20462	1160 int libxl_device_vkb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1161 {
keir@20462	1162 return ERROR_NI;
keir@20462	1163 }
keir@20462	1164
keir@20462	1165 int libxl_device_vkb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1166 {
keir@20462	1167 return ERROR_NI;
keir@20462	1168 }
keir@20462	1169
keir@20462	1170 /******************************************************************************/
keir@20509	1171 static int libxl_build_xenpv_qemu_args(struct libxl_ctx *ctx,
keir@20509	1172 libxl_device_vfb *vfb,
keir@20509	1173 int num_console,
keir@20509	1174 libxl_device_console *console,
keir@20509	1175 libxl_device_model_info *info) {
keir@20509	1176 int i = 0, j = 0, num = 0;
keir@20509	1177 memset(info, 0x00, sizeof(libxl_device_model_info));
keir@20509	1178
keir@20509	1179 info->vnc = vfb->vnc;
keir@20509	1180 if (vfb->vnclisten)
keir@20509	1181 info->vnclisten = libxl_sprintf(ctx, "%s", vfb->vnclisten);
keir@20509	1182 info->vncdisplay = vfb->vncdisplay;
keir@20509	1183 info->vncunused = vfb->vncunused;
keir@20509	1184 if (vfb->keymap)
keir@20509	1185 info->keymap = libxl_sprintf(ctx, "%s", vfb->keymap);
keir@20509	1186 info->sdl = vfb->sdl;
keir@20509	1187 info->opengl = vfb->opengl;
keir@20509	1188 for (i = 0; i < num_console; i++) {
keir@20509	1189 if (console->constype == CONSTYPE_IOEMU)
keir@20509	1190 num++;
keir@20509	1191 }
keir@20509	1192 if (num > 0) {
keir@20509	1193 info->serial = "pty";
keir@20509	1194 num--;
keir@20509	1195 }
keir@20509	1196 if (num > 0) {
keir@20509	1197 info->extra = (char *) libxl_calloc(ctx, num 2 + 1, sizeof(char *));
keir@20509	1198 for (j = 0; j < num * 2; j = j + 2) {
keir@20509	1199 info->extra[j] = "-serial";
keir@20509	1200 info->extra[j + 1] = "pty";
keir@20509	1201 }
keir@20509	1202 info->extra[j] = NULL;
keir@20509	1203 }
keir@20509	1204 info->domid = vfb->domid;
keir@20509	1205 info->dom_name = libxl_domid_to_name(ctx, vfb->domid);
keir@20509	1206 info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20509	1207 info->type = XENPV;
keir@20509	1208 return 0;
keir@20509	1209 }
keir@20509	1210
keir@20509	1211 int libxl_create_xenpv_qemu(struct libxl_ctx ctx, libxl_device_vfb vfb,
keir@20514	1212 int num_console, libxl_device_console *console,
keir@20514	1213 struct libxl_device_model_starting **starting_r)
keir@20509	1214 {
keir@20509	1215 libxl_device_model_info info;
keir@20509	1216
keir@20509	1217 libxl_build_xenpv_qemu_args(ctx, vfb, num_console, console, &info);
keir@20542	1218 libxl_create_device_model(ctx, &info, NULL, 0, NULL, 0, starting_r);
keir@20509	1219 return 0;
keir@20509	1220 }
keir@20509	1221
keir@20509	1222 int libxl_device_vfb_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_vfb vfb)
keir@20462	1223 {
keir@20509	1224 flexarray_t *front;
keir@20509	1225 flexarray_t *back;
keir@20509	1226 unsigned int boffset = 0;
keir@20509	1227 unsigned int foffset = 0;
keir@20509	1228 libxl_device device;
keir@20509	1229
keir@20509	1230 front = flexarray_make(16, 1);
keir@20509	1231 if (!front)
keir@20509	1232 return ERROR_NOMEM;
keir@20509	1233 back = flexarray_make(16, 1);
keir@20509	1234 if (!back)
keir@20509	1235 return ERROR_NOMEM;
keir@20509	1236
keir@20509	1237 device.backend_devid = vfb->devid;
keir@20509	1238 device.backend_domid = vfb->backend_domid;
keir@20509	1239 device.backend_kind = DEVICE_VFB;
keir@20509	1240 device.devid = vfb->devid;
keir@20509	1241 device.domid = vfb->domid;
keir@20509	1242 device.kind = DEVICE_VFB;
keir@20509	1243
keir@20516	1244 flexarray_set(back, boffset++, "frontend-id");
keir@20509	1245 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->domid));
keir@20516	1246 flexarray_set(back, boffset++, "online");
keir@20516	1247 flexarray_set(back, boffset++, "1");
keir@20516	1248 flexarray_set(back, boffset++, "state");
keir@20509	1249 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1250 flexarray_set(back, boffset++, "domain");
keir@20516	1251 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20516	1252 flexarray_set(back, boffset++, "vnc");
keir@20509	1253 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vnc));
keir@20516	1254 flexarray_set(back, boffset++, "vnclisten");
keir@20516	1255 flexarray_set(back, boffset++, vfb->vnclisten);
keir@20516	1256 flexarray_set(back, boffset++, "vncdisplay");
keir@20509	1257 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncdisplay));
keir@20516	1258 flexarray_set(back, boffset++, "vncunused");
keir@20509	1259 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->vncunused));
keir@20516	1260 flexarray_set(back, boffset++, "sdl");
keir@20509	1261 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->sdl));
keir@20516	1262 flexarray_set(back, boffset++, "opengl");
keir@20509	1263 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", vfb->opengl));
keir@20509	1264 if (vfb->xauthority) {
keir@20516	1265 flexarray_set(back, boffset++, "xauthority");
keir@20516	1266 flexarray_set(back, boffset++, vfb->xauthority);
keir@20509	1267 }
keir@20509	1268 if (vfb->display) {
keir@20516	1269 flexarray_set(back, boffset++, "display");
keir@20516	1270 flexarray_set(back, boffset++, vfb->display);
keir@20509	1271 }
keir@20509	1272
keir@20516	1273 flexarray_set(front, foffset++, "backend-id");
keir@20509	1274 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", vfb->backend_domid));
keir@20516	1275 flexarray_set(front, foffset++, "state");
keir@20509	1276 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20509	1277
keir@20509	1278 libxl_device_generic_add(ctx, &device,
keir@20509	1279 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20509	1280 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20509	1281 flexarray_free(front);
keir@20509	1282 flexarray_free(back);
keir@20509	1283
keir@20509	1284 return 0;
keir@20462	1285 }
keir@20462	1286
keir@20462	1287 int libxl_device_vfb_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1288 {
keir@20462	1289 return ERROR_NI;
keir@20462	1290 }
keir@20462	1291
keir@20462	1292 int libxl_device_vfb_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20462	1293 {
keir@20462	1294 return ERROR_NI;
keir@20462	1295 }
keir@20462	1296
keir@20462	1297 /******************************************************************************/
keir@20482	1298
keir@20482	1299 int libxl_device_pci_init(libxl_device_pci *pcidev, unsigned int domain,
keir@20482	1300 unsigned int bus, unsigned int dev,
keir@20482	1301 unsigned int func, unsigned int vdevfn)
keir@20482	1302 {
keir@20482	1303 pcidev->domain = domain;
keir@20482	1304 pcidev->bus = bus;
keir@20482	1305 pcidev->dev = dev;
keir@20482	1306 pcidev->func = func;
keir@20482	1307 pcidev->vdevfn = vdevfn;
keir@20482	1308 return 0;
keir@20482	1309 }
keir@20482	1310
keir@20482	1311 static int libxl_create_pci_backend(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev, int num)
keir@20482	1312 {
keir@20482	1313 flexarray_t *front;
keir@20482	1314 flexarray_t *back;
keir@20482	1315 unsigned int boffset = 0;
keir@20482	1316 unsigned int foffset = 0;
keir@20482	1317 libxl_device device;
keir@20482	1318 int i;
keir@20482	1319
keir@20482	1320 front = flexarray_make(16, 1);
keir@20482	1321 if (!front)
keir@20482	1322 return ERROR_NOMEM;
keir@20482	1323 back = flexarray_make(16, 1);
keir@20482	1324 if (!back)
keir@20482	1325 return ERROR_NOMEM;
keir@20482	1326
keir@20512	1327 XL_LOG(ctx, XL_LOG_DEBUG, "Creating pci backend");
keir@20482	1328
keir@20482	1329 /* add pci device */
keir@20482	1330 device.backend_devid = 0;
keir@20482	1331 device.backend_domid = 0;
keir@20482	1332 device.backend_kind = DEVICE_PCI;
keir@20482	1333 device.devid = 0;
keir@20482	1334 device.domid = domid;
keir@20482	1335 device.kind = DEVICE_PCI;
keir@20482	1336
keir@20516	1337 flexarray_set(back, boffset++, "frontend-id");
keir@20482	1338 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", domid));
keir@20516	1339 flexarray_set(back, boffset++, "online");
keir@20516	1340 flexarray_set(back, boffset++, "1");
keir@20516	1341 flexarray_set(back, boffset++, "state");
keir@20482	1342 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1343 flexarray_set(back, boffset++, "domain");
keir@20516	1344 flexarray_set(back, boffset++, libxl_domid_to_name(ctx, domid));
keir@20482	1345 for (i = 0; i < num; i++) {
keir@20482	1346 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", i));
keir@20482	1347 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1348 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", i));
keir@20482	1349 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1350 if (pcidev->vdevfn) {
keir@20482	1351 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", i));
keir@20482	1352 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1353 }
keir@20482	1354 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", i));
keir@20482	1355 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1356 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", i));
keir@20482	1357 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1358 }
keir@20516	1359 flexarray_set(back, boffset++, "num_devs");
keir@20482	1360 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num));
keir@20482	1361
keir@20516	1362 flexarray_set(front, foffset++, "backend-id");
keir@20482	1363 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 0));
keir@20516	1364 flexarray_set(front, foffset++, "state");
keir@20482	1365 flexarray_set(front, foffset++, libxl_sprintf(ctx, "%d", 1));
keir@20482	1366
keir@20482	1367 libxl_device_generic_add(ctx, &device,
keir@20482	1368 libxl_xs_kvs_of_flexarray(ctx, back, boffset),
keir@20482	1369 libxl_xs_kvs_of_flexarray(ctx, front, foffset));
keir@20482	1370
keir@20482	1371 flexarray_free(back);
keir@20482	1372 flexarray_free(front);
keir@20482	1373 return 0;
keir@20482	1374 }
keir@20482	1375
keir@20482	1376 static int libxl_device_pci_add_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1377 {
keir@20482	1378 flexarray_t *back;
keir@20482	1379 char num_devs, be_path;
keir@20482	1380 int num = 0;
keir@20482	1381 unsigned int boffset = 0;
keir@20482	1382 xs_transaction_t t;
keir@20482	1383
keir@20516	1384 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1385 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1386 if (!num_devs)
keir@20482	1387 return libxl_create_pci_backend(ctx, domid, pcidev, 1);
keir@20482	1388
keir@20482	1389 if (!is_hvm(ctx, domid)) {
keir@20482	1390 if (libxl_wait_for_backend(ctx, be_path, "4") < 0)
keir@20482	1391 return -1;
keir@20482	1392 }
keir@20482	1393
keir@20482	1394 back = flexarray_make(16, 1);
keir@20482	1395 if (!back)
keir@20482	1396 return ERROR_NOMEM;
keir@20482	1397
keir@20512	1398 XL_LOG(ctx, XL_LOG_DEBUG, "Adding new pci device to xenstore");
keir@20482	1399 num = atoi(num_devs);
keir@20482	1400 flexarray_set(back, boffset++, libxl_sprintf(ctx, "key-%d", num));
keir@20482	1401 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1402 flexarray_set(back, boffset++, libxl_sprintf(ctx, "dev-%d", num));
keir@20482	1403 flexarray_set(back, boffset++, libxl_sprintf(ctx, PCI_BDF, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func));
keir@20482	1404 if (pcidev->vdevfn) {
keir@20482	1405 flexarray_set(back, boffset++, libxl_sprintf(ctx, "vdevfn-%d", num));
keir@20482	1406 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%x", pcidev->vdevfn));
keir@20482	1407 }
keir@20482	1408 flexarray_set(back, boffset++, libxl_sprintf(ctx, "opts-%d", num));
keir@20482	1409 flexarray_set(back, boffset++, libxl_sprintf(ctx, "msitranslate=%d,power_mgmt=%d", pcidev->msitranslate, pcidev->power_mgmt));
keir@20482	1410 flexarray_set(back, boffset++, libxl_sprintf(ctx, "state-%d", num));
keir@20482	1411 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 1));
keir@20516	1412 flexarray_set(back, boffset++, "num_devs");
keir@20482	1413 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", num + 1));
keir@20516	1414 flexarray_set(back, boffset++, "state");
keir@20482	1415 flexarray_set(back, boffset++, libxl_sprintf(ctx, "%d", 7));
keir@20482	1416
keir@20482	1417 retry_transaction:
keir@20482	1418 t = xs_transaction_start(ctx->xsh);
keir@20482	1419 libxl_xs_writev(ctx, t, be_path,
keir@20482	1420 libxl_xs_kvs_of_flexarray(ctx, back, boffset));
keir@20482	1421 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1422 if (errno == EAGAIN)
keir@20482	1423 goto retry_transaction;
keir@20482	1424
keir@20482	1425 flexarray_free(back);
keir@20482	1426 return 0;
keir@20482	1427 }
keir@20482	1428
keir@20482	1429 static int libxl_device_pci_remove_xenstore(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20482	1430 {
keir@20542	1431 char be_path, num_devs_path, num_devs, xsdev, tmp, tmppath;
keir@20542	1432 int num, i, j;
keir@20482	1433 xs_transaction_t t;
keir@20482	1434 unsigned int domain = 0, bus = 0, dev = 0, func = 0;
keir@20482	1435
keir@20516	1436 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1437 num_devs_path = libxl_sprintf(ctx, "%s/num_devs", be_path);
keir@20482	1438 num_devs = libxl_xs_read(ctx, XBT_NULL, num_devs_path);
keir@20482	1439 if (!num_devs)
keir@20482	1440 return -1;
keir@20482	1441 num = atoi(num_devs);
keir@20482	1442
keir@20482	1443 if (!is_hvm(ctx, domid)) {
keir@20482	1444 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1445 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20482	1446 return -1;
keir@20482	1447 }
keir@20482	1448 }
keir@20482	1449
keir@20482	1450 for (i = 0; i < num; i++) {
keir@20482	1451 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1452 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1453 if (domain == pcidev->domain && bus == pcidev->bus &&
keir@20482	1454 pcidev->dev == dev && pcidev->func == func) {
keir@20482	1455 break;
keir@20482	1456 }
keir@20482	1457 }
keir@20482	1458 if (i == num) {
keir@20512	1459 XL_LOG(ctx, XL_LOG_ERROR, "Couldn't find the device on xenstore");
keir@20482	1460 return -1;
keir@20482	1461 }
keir@20482	1462
keir@20482	1463 retry_transaction:
keir@20482	1464 t = xs_transaction_start(ctx->xsh);
keir@20542	1465 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i), "5", strlen("5"));
keir@20482	1466 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state", be_path), "7", strlen("7"));
keir@20482	1467 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20482	1468 if (errno == EAGAIN)
keir@20482	1469 goto retry_transaction;
keir@20542	1470
keir@20542	1471 if (!is_hvm(ctx, domid)) {
keir@20542	1472 if (libxl_wait_for_backend(ctx, be_path, "4") < 0) {
keir@20542	1473 XL_LOG(ctx, XL_LOG_DEBUG, "pci backend at %s is not ready", be_path);
keir@20542	1474 return -1;
keir@20542	1475 }
keir@20542	1476 }
keir@20542	1477
keir@20542	1478 retry_transaction2:
keir@20542	1479 t = xs_transaction_start(ctx->xsh);
keir@20542	1480 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, i));
keir@20542	1481 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, i));
keir@20542	1482 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20542	1483 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, i));
keir@20542	1484 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20542	1485 xs_rm(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20542	1486 libxl_xs_write(ctx, t, num_devs_path, "%d", num - 1);
keir@20542	1487 for (j = i + 1; j < num; j++) {
keir@20542	1488 tmppath = libxl_sprintf(ctx, "%s/state-%d", be_path, j);
keir@20542	1489 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1490 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/state-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1491 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1492 tmppath = libxl_sprintf(ctx, "%s/dev-%d", be_path, j);
keir@20542	1493 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1494 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/dev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1495 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1496 tmppath = libxl_sprintf(ctx, "%s/key-%d", be_path, j);
keir@20542	1497 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1498 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/key-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1499 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1500 tmppath = libxl_sprintf(ctx, "%s/vdev-%d", be_path, j);
keir@20542	1501 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1502 if (tmp) {
keir@20542	1503 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdev-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1504 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1505 }
keir@20542	1506 tmppath = libxl_sprintf(ctx, "%s/opts-%d", be_path, j);
keir@20542	1507 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1508 if (tmp) {
keir@20542	1509 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/opts-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1510 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1511 }
keir@20542	1512 tmppath = libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j);
keir@20542	1513 tmp = libxl_xs_read(ctx, t, tmppath);
keir@20542	1514 if (tmp) {
keir@20542	1515 xs_write(ctx->xsh, t, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, j - 1), tmp, strlen(tmp));
keir@20542	1516 xs_rm(ctx->xsh, t, tmppath);
keir@20542	1517 }
keir@20542	1518 }
keir@20542	1519 if (!xs_transaction_end(ctx->xsh, t, 0))
keir@20542	1520 if (errno == EAGAIN)
keir@20542	1521 goto retry_transaction2;
keir@20542	1522
keir@20542	1523 if (num == 1) {
keir@20542	1524 char *fe_path = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/frontend", be_path));
keir@20542	1525 libxl_device_destroy(ctx, be_path, 1);
keir@20542	1526 xs_rm(ctx->xsh, XBT_NULL, be_path);
keir@20542	1527 xs_rm(ctx->xsh, XBT_NULL, fe_path);
keir@20542	1528 return 0;
keir@20542	1529 }
keir@20542	1530
keir@20482	1531 return 0;
keir@20462	1532 }
keir@20462	1533
keir@20482	1534 int libxl_device_pci_add(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1535 {
keir@20482	1536 char path[50];
keir@20482	1537 char state, vdevfn;
keir@20482	1538 int rc, hvm;
keir@20542	1539 int stubdomid = 0;
keir@20482	1540
keir@20482	1541 /* TODO: check if the device can be assigned */
keir@20482	1542
keir@20482	1543 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1544
keir@20542	1545 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1546 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1547 libxl_device_pci_add(ctx, stubdomid, &pcidev_s);
keir@20542	1548 }
keir@20542	1549
keir@20482	1550 hvm = is_hvm(ctx, domid);
keir@20482	1551 if (hvm) {
keir@20514	1552 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1553 return -1;
keir@20482	1554 }
keir@20482	1555 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1556 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1557 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1558 if (pcidev->vdevfn)
keir@20482	1559 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF_VDEVFN, pcidev->domain,
keir@20482	1560 pcidev->bus, pcidev->dev, pcidev->func, pcidev->vdevfn);
keir@20482	1561 else
keir@20482	1562 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1563 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1564 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1565 xs_write(ctx->xsh, XBT_NULL, path, "pci-ins", strlen("pci-ins"));
keir@20514	1566 if (libxl_wait_for_device_model(ctx, domid, "pci-inserted", 0,0) < 0)
keir@20512	1567 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1568 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1569 vdevfn = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1570 sscanf(vdevfn + 2, "%x", &pcidev->vdevfn);
keir@20482	1571 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1572 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1573 } else {
keir@20542	1574 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1575 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1576 FILE *f = fopen(sysfs_path, "r");
keir@20482	1577 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1578 int irq = 0;
keir@20482	1579 int i;
keir@20482	1580
keir@20482	1581 if (f == NULL) {
keir@20512	1582 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1583 return -1;
keir@20482	1584 }
keir@20482	1585 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20512	1586 fscanf(f, "0x%x 0x%x 0x%x", &start, &end, &flags);
keir@20482	1587 size = end - start + 1;
keir@20482	1588 if (start) {
keir@20482	1589 if (flags & PCI_BAR_IO) {
keir@20482	1590 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 1);
keir@20482	1591 if (rc < 0)
keir@20512	1592 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1593 } else {
keir@20482	1594 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1595 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 1);
keir@20482	1596 if (rc < 0)
keir@20512	1597 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1598 }
keir@20482	1599 }
keir@20482	1600 }
keir@20482	1601 fclose(f);
keir@20542	1602 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1603 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1604 f = fopen(sysfs_path, "r");
keir@20482	1605 if (f == NULL) {
keir@20512	1606 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1607 goto out;
keir@20482	1608 }
keir@20482	1609 fscanf(f, "%u", &irq);
keir@20482	1610 if (irq) {
keir@20482	1611 rc = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
keir@20482	1612 if (rc < 0) {
keir@20512	1613 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_physdev_map_pirq irq=%d", irq);
keir@20482	1614 }
keir@20482	1615 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 1);
keir@20482	1616 if (rc < 0) {
keir@20512	1617 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "Error: xc_domain_irq_permission irq=%d", irq);
keir@20482	1618 }
keir@20482	1619 }
keir@20482	1620 fclose(f);
keir@20482	1621 }
keir@20482	1622 out:
keir@20542	1623 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1624 if ((rc = xc_assign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1625 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_assign_device failed");
keir@20542	1626 }
keir@20482	1627
keir@20482	1628 libxl_device_pci_add_xenstore(ctx, domid, pcidev);
keir@20482	1629 return 0;
keir@20462	1630 }
keir@20462	1631
keir@20482	1632 int libxl_device_pci_remove(struct libxl_ctx ctx, uint32_t domid, libxl_device_pci pcidev)
keir@20462	1633 {
keir@20482	1634 char path[50];
keir@20482	1635 char *state;
keir@20482	1636 int hvm, rc;
keir@20542	1637 int stubdomid = 0;
keir@20482	1638
keir@20482	1639 /* TODO: check if the device can be detached */
keir@20542	1640 libxl_device_pci_remove_xenstore(ctx, domid, pcidev);
keir@20482	1641
keir@20482	1642 hvm = is_hvm(ctx, domid);
keir@20482	1643 if (hvm) {
keir@20514	1644 if (libxl_wait_for_device_model(ctx, domid, "running", 0,0) < 0) {
keir@20482	1645 return -1;
keir@20482	1646 }
keir@20482	1647 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1648 state = libxl_xs_read(ctx, XBT_NULL, path);
keir@20482	1649 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/parameter", domid);
keir@20482	1650 libxl_xs_write(ctx, XBT_NULL, path, PCI_BDF, pcidev->domain,
keir@20482	1651 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1652 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/command", domid);
keir@20482	1653 xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
keir@20514	1654 if (libxl_wait_for_device_model(ctx, domid, "pci-removed", 0,0) < 0) {
keir@20512	1655 XL_LOG(ctx, XL_LOG_ERROR, "Device Model didn't respond in time");
keir@20482	1656 return -1;
keir@20482	1657 }
keir@20482	1658 snprintf(path, sizeof(path), "/local/domain/0/device-model/%d/state", domid);
keir@20482	1659 xs_write(ctx->xsh, XBT_NULL, path, state, strlen(state));
keir@20482	1660 } else {
keir@20542	1661 char *sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/resource", pcidev->domain,
keir@20482	1662 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1663 FILE *f = fopen(sysfs_path, "r");
keir@20482	1664 unsigned int start = 0, end = 0, flags = 0, size = 0;
keir@20482	1665 int irq = 0;
keir@20482	1666 int i;
keir@20482	1667
keir@20482	1668 if (f == NULL) {
keir@20512	1669 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1670 goto skip1;
keir@20482	1671 }
keir@20482	1672 for (i = 0; i < PROC_PCI_NUM_RESOURCES; i++) {
keir@20482	1673 fscanf(f, "0x%x 0x%x 0x%x\n", &start, &end, &flags);
keir@20482	1674 size = end - start + 1;
keir@20482	1675 if (start) {
keir@20482	1676 if (flags & PCI_BAR_IO) {
keir@20482	1677 rc = xc_domain_ioport_permission(ctx->xch, domid, start, size, 0);
keir@20482	1678 if (rc < 0)
keir@20512	1679 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_ioport_permission error 0x%x/0x%x", start, size);
keir@20482	1680 } else {
keir@20482	1681 rc = xc_domain_iomem_permission(ctx->xch, domid, start>>XC_PAGE_SHIFT,
keir@20482	1682 (size+(XC_PAGE_SIZE-1))>>XC_PAGE_SHIFT, 0);
keir@20482	1683 if (rc < 0)
keir@20512	1684 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_iomem_permission error 0x%x/0x%x", start, size);
keir@20482	1685 }
keir@20482	1686 }
keir@20482	1687 }
keir@20482	1688 fclose(f);
keir@20482	1689 skip1:
keir@20542	1690 sysfs_path = libxl_sprintf(ctx, SYSFS_PCI_DEV"/"PCI_BDF"/irq", pcidev->domain,
keir@20482	1691 pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1692 f = fopen(sysfs_path, "r");
keir@20482	1693 if (f == NULL) {
keir@20512	1694 XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Couldn't open %s", sysfs_path);
keir@20482	1695 goto out;
keir@20482	1696 }
keir@20482	1697 fscanf(f, "%u", &irq);
keir@20482	1698 if (irq) {
keir@20482	1699 rc = xc_physdev_unmap_pirq(ctx->xch, domid, irq);
keir@20482	1700 if (rc < 0) {
keir@20512	1701 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_physdev_map_pirq irq=%d", irq);
keir@20482	1702 }
keir@20482	1703 rc = xc_domain_irq_permission(ctx->xch, domid, irq, 0);
keir@20482	1704 if (rc < 0) {
keir@20512	1705 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_domain_irq_permission irq=%d", irq);
keir@20482	1706 }
keir@20482	1707 }
keir@20482	1708 fclose(f);
keir@20482	1709 }
keir@20482	1710 out:
keir@20482	1711 libxl_device_pci_flr(ctx, pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func);
keir@20482	1712
keir@20542	1713 if (!libxl_is_stubdom(ctx, domid)) {
keir@20542	1714 if ((rc = xc_deassign_device(ctx->xch, domid, pcidev->value)) < 0)
keir@20542	1715 XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc, "xc_deassign_device failed");
keir@20542	1716 }
keir@20542	1717
keir@20542	1718 if ((stubdomid = libxl_get_stubdom_id(ctx, domid)) != 0) {
keir@20542	1719 libxl_device_pci pcidev_s = *pcidev;
keir@20542	1720 libxl_device_pci_remove(ctx, stubdomid, &pcidev_s);
keir@20542	1721 }
keir@20542	1722
keir@20482	1723 return 0;
keir@20462	1724 }
keir@20482	1725
keir@20482	1726 libxl_device_pci libxl_device_pci_list(struct libxl_ctx ctx, uint32_t domid, int *num)
keir@20482	1727 {
keir@20482	1728 char be_path, num_devs, xsdev, xsvdevfn, *xsopts;
keir@20482	1729 int n, i;
keir@20482	1730 unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
keir@20482	1731 libxl_device_pci *pcidevs;
keir@20482	1732
keir@20516	1733 be_path = libxl_sprintf(ctx, "%s/backend/pci/%d/0", libxl_xs_get_dompath(ctx, 0), domid);
keir@20482	1734 num_devs = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/num_devs", be_path));
keir@20482	1735 if (!num_devs) {
keir@20482	1736 *num = 0;
keir@20482	1737 return NULL;
keir@20482	1738 }
keir@20482	1739 n = atoi(num_devs);
keir@20516	1740 pcidevs = (libxl_device_pci *) calloc(n, sizeof(libxl_device_pci));
keir@20482	1741 *num = n;
keir@20482	1742
keir@20482	1743 for (i = 0; i < n; i++) {
keir@20482	1744 xsdev = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/dev-%d", be_path, i));
keir@20482	1745 sscanf(xsdev, PCI_BDF, &domain, &bus, &dev, &func);
keir@20482	1746 xsvdevfn = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/vdevfn-%d", be_path, i));
keir@20482	1747 if (xsvdevfn)
keir@20482	1748 vdevfn = strtol(xsvdevfn, (char **) NULL, 16);
keir@20482	1749 libxl_device_pci_init(pcidevs + i, domain, bus, dev, func, vdevfn);
keir@20482	1750 xsopts = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/opts-%d", be_path, i));
keir@20482	1751 if (xsopts) {
keir@20482	1752 char *saveptr;
keir@20482	1753 char *p = strtok_r(xsopts, ",=", &saveptr);
keir@20482	1754 do {
keir@20482	1755 while (*p == ' ')
keir@20482	1756 p++;
keir@20482	1757 if (!strcmp(p, "msitranslate")) {
keir@20482	1758 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1759 pcidevs[i].msitranslate = atoi(p);
keir@20482	1760 } else if (!strcmp(p, "power_mgmt")) {
keir@20482	1761 p = strtok_r(NULL, ",=", &saveptr);
keir@20482	1762 pcidevs[i].power_mgmt = atoi(p);
keir@20482	1763 }
keir@20482	1764 } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
keir@20482	1765 }
keir@20482	1766 }
keir@20482	1767 return pcidevs;
keir@20482	1768 }
keir@20482	1769
keir@20482	1770 int libxl_device_pci_shutdown(struct libxl_ctx *ctx, uint32_t domid)
keir@20482	1771 {
keir@20482	1772 libxl_device_pci *pcidevs;
keir@20482	1773 int num, i;
keir@20482	1774
keir@20482	1775 pcidevs = libxl_device_pci_list(ctx, domid, &num);
keir@20482	1776 for (i = 0; i < num; i++) {
keir@20482	1777 if (libxl_device_pci_remove(ctx, domid, pcidevs + i) < 0)
keir@20482	1778 return -1;
keir@20482	1779 }
keir@20516	1780 free(pcidevs);
keir@20482	1781 return 0;
keir@20482	1782 }
keir@20482	1783
keir@20542	1784 void nic_info_domid_fixup(libxl_device_nic *nic_info, int domid)
keir@20542	1785 {
keir@20542	1786 nic_info->domid = domid;
keir@20542	1787 asprintf(&(nic_info->ifname), "tap%d.%d", domid, nic_info->devid - 1);
keir@20542	1788 }
keir@20542	1789
keir@20542	1790 void disk_info_domid_fixup(libxl_device_disk *disk_info, int domid)
keir@20542	1791 {
keir@20542	1792 disk_info->domid = domid;
keir@20542	1793 }
keir@20542	1794
keir@20542	1795 void vfb_info_domid_fixup(libxl_device_vfb *vfb, int domid)
keir@20542	1796 {
keir@20542	1797 vfb->domid = domid;
keir@20542	1798 }
keir@20542	1799
keir@20542	1800 void vkb_info_domid_fixup(libxl_device_vkb *vkb, int domid)
keir@20542	1801 {
keir@20542	1802 vkb->domid = domid;
keir@20542	1803 }
keir@20542	1804
keir@20542	1805 void console_info_domid_fixup(libxl_device_console *console, int domid)
keir@20542	1806 {
keir@20542	1807 console->domid = domid;
keir@20542	1808 }
keir@20542	1809
keir@20542	1810 void device_model_info_domid_fixup(libxl_device_model_info *dm_info, int domid)
keir@20542	1811 {
keir@20542	1812 dm_info->domid = domid;
keir@20542	1813 }
keir@20542	1814
keir@20542	1815 void init_create_info(libxl_domain_create_info *c_info)
keir@20542	1816 {
keir@20542	1817 memset(c_info, '\0', sizeof(*c_info));
keir@20542	1818 c_info->xsdata = NULL;
keir@20542	1819 c_info->platformdata = NULL;
keir@20542	1820 c_info->hvm = 1;
keir@20542	1821 c_info->ssidref = 0;
keir@20542	1822 }
keir@20542	1823
keir@20542	1824 void init_build_info(libxl_domain_build_info b_info, libxl_domain_create_info c_info)
keir@20542	1825 {
keir@20542	1826 memset(b_info, '\0', sizeof(*b_info));
keir@20542	1827 b_info->timer_mode = -1;
keir@20542	1828 b_info->hpet = 1;
keir@20542	1829 b_info->vpt_align = -1;
keir@20542	1830 b_info->max_vcpus = 1;
keir@20542	1831 b_info->max_memkb = 32 * 1024;
keir@20542	1832 if (c_info->hvm) {
keir@20542	1833 b_info->shadow_memkb = libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
keir@20542	1834 b_info->video_memkb = 8 * 1024;
keir@20542	1835 b_info->kernel = "/usr/lib/xen/boot/hvmloader";
keir@20542	1836 b_info->hvm = 1;
keir@20542	1837 b_info->u.hvm.pae = 1;
keir@20542	1838 b_info->u.hvm.apic = 1;
keir@20542	1839 b_info->u.hvm.acpi = 1;
keir@20542	1840 b_info->u.hvm.nx = 1;
keir@20542	1841 b_info->u.hvm.viridian = 0;
keir@20542	1842 }
keir@20542	1843 }
keir@20542	1844
keir@20542	1845 void init_dm_info(libxl_device_model_info *dm_info,
keir@20542	1846 libxl_domain_create_info c_info, libxl_domain_build_info b_info)
keir@20542	1847 {
keir@20542	1848 memset(dm_info, '\0', sizeof(*dm_info));
keir@20542	1849
keir@20542	1850 dm_info->dom_name = c_info->name;
keir@20542	1851 dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
keir@20542	1852 dm_info->videoram = b_info->video_memkb / 1024;
keir@20542	1853 dm_info->apic = b_info->u.hvm.apic;
keir@20542	1854
keir@20542	1855 dm_info->stdvga = 0;
keir@20542	1856 dm_info->vnc = 1;
keir@20542	1857 dm_info->vnclisten = "127.0.0.1";
keir@20542	1858 dm_info->vncdisplay = 0;
keir@20542	1859 dm_info->vncunused = 0;
keir@20542	1860 dm_info->keymap = NULL;
keir@20542	1861 dm_info->sdl = 0;
keir@20542	1862 dm_info->opengl = 0;
keir@20542	1863 dm_info->nographic = 0;
keir@20542	1864 dm_info->serial = NULL;
keir@20542	1865 dm_info->boot = "cda";
keir@20542	1866 dm_info->usb = 0;
keir@20542	1867 dm_info->usbdevice = NULL;
keir@20542	1868 }
keir@20542	1869
keir@20542	1870 void init_nic_info(libxl_device_nic *nic_info, int devnum)
keir@20542	1871 {
keir@20542	1872 memset(nic_info, '\0', sizeof(*nic_info));
keir@20542	1873
keir@20542	1874
keir@20542	1875 nic_info->backend_domid = 0;
keir@20542	1876 nic_info->domid = 0;
keir@20542	1877 nic_info->devid = devnum;
keir@20542	1878 nic_info->mtu = 1492;
keir@20542	1879 nic_info->model = "e1000";
keir@20542	1880 srand(time(0));
keir@20542	1881 nic_info->mac[0] = 0x00;
keir@20542	1882 nic_info->mac[1] = 0x16;
keir@20542	1883 nic_info->mac[2] = 0x3e;
keir@20542	1884 nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
keir@20542	1885 nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	1886 nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
keir@20542	1887 asprintf(&(nic_info->smac), "%02x:%02x:%02x:%02x:%02x:%02x", nic_info->mac[0], nic_info->mac[1], nic_info->mac[2], nic_info->mac[3], nic_info->mac[4], nic_info->mac[5]);
keir@20542	1888 nic_info->ifname = NULL;
keir@20542	1889 nic_info->bridge = "xenbr0";
keir@20542	1890 nic_info->script = "/etc/xen/scripts/vif-bridge";
keir@20542	1891 nic_info->nictype = NICTYPE_IOEMU;
keir@20542	1892 }
keir@20542	1893
keir@20542	1894 void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
keir@20542	1895 {
keir@20542	1896 memset(vfb, 0x00, sizeof(libxl_device_vfb));
keir@20542	1897 vfb->devid = dev_num;
keir@20542	1898 vfb->vnc = 1;
keir@20542	1899 vfb->vnclisten = "127.0.0.1";
keir@20542	1900 vfb->vncdisplay = 0;
keir@20542	1901 vfb->vncunused = 1;
keir@20542	1902 vfb->keymap = NULL;
keir@20542	1903 vfb->sdl = 0;
keir@20542	1904 vfb->opengl = 0;
keir@20542	1905 }
keir@20542	1906
keir@20542	1907 void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
keir@20542	1908 {
keir@20542	1909 memset(vkb, 0x00, sizeof(libxl_device_vkb));
keir@20542	1910 vkb->devid = dev_num;
keir@20542	1911 }
keir@20542	1912
keir@20542	1913 void init_console_info(libxl_device_console console, int dev_num, libxl_domain_build_state state)
keir@20542	1914 {
keir@20542	1915 memset(console, 0x00, sizeof(libxl_device_console));
keir@20542	1916 console->devid = dev_num;
keir@20542	1917 console->constype = CONSTYPE_XENCONSOLED;
keir@20542	1918 if (state)
keir@20542	1919 console->build_state = state;
keir@20542	1920 }
keir@20542	1921
keir@20542	1922