/*---------------------------------------------------------------------------*/
/* Copyright (C) 2012 Red Hat, Inc.
* Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
* Copyright (C) 2011 Univention GmbH.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* .
*
* Authors:
* Jim Fehlig
* Markus Groß
*/
/*---------------------------------------------------------------------------*/
#include
#include
#include
#include
#include
#include
#include "internal.h"
#include "logging.h"
#include "virterror_internal.h"
#include "datatypes.h"
#include "virfile.h"
#include "memory.h"
#include "uuid.h"
#include "capabilities.h"
#include "libxl_driver.h"
#include "libxl_conf.h"
#include "storage_file.h"
#define VIR_FROM_THIS VIR_FROM_LIBXL
/* see xen-unstable.hg/xen/include/asm-x86/cpufeature.h */
#define LIBXL_X86_FEATURE_PAE_MASK 0x40
struct guest_arch {
const char *model;
int bits;
int hvm;
int pae;
int nonpae;
int ia64_be;
};
static const char *xen_cap_re = "(xen|hvm)-[[:digit:]]+\\.[[:digit:]]+-(x86_32|x86_64|ia64|powerpc64)(p|be)?";
static regex_t xen_cap_rec;
static int
libxlNextFreeVncPort(libxlDriverPrivatePtr driver, int startPort)
{
int i;
for (i = startPort ; i < LIBXL_VNC_PORT_MAX; i++) {
int fd;
int reuse = 1;
struct sockaddr_in addr;
bool used = false;
if (virBitmapGetBit(driver->reservedVNCPorts,
i - LIBXL_VNC_PORT_MIN, &used) < 0)
VIR_DEBUG("virBitmapGetBit failed on bit %d", i - LIBXL_VNC_PORT_MIN);
if (used)
continue;
addr.sin_family = AF_INET;
addr.sin_port = htons(i);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
fd = socket(PF_INET, SOCK_STREAM, 0);
if (fd < 0)
return -1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&reuse, sizeof(reuse)) < 0) {
VIR_FORCE_CLOSE(fd);
break;
}
if (bind(fd, (struct sockaddr*)&addr, sizeof(addr)) == 0) {
/* Not in use, lets grab it */
VIR_FORCE_CLOSE(fd);
/* Add port to bitmap of reserved ports */
if (virBitmapSetBit(driver->reservedVNCPorts,
i - LIBXL_VNC_PORT_MIN) < 0) {
VIR_DEBUG("virBitmapSetBit failed on bit %d",
i - LIBXL_VNC_PORT_MIN);
}
return i;
}
VIR_FORCE_CLOSE(fd);
if (errno == EADDRINUSE) {
/* In use, try next */
continue;
}
/* Some other bad failure, get out.. */
break;
}
return -1;
}
static int libxlDefaultConsoleType(const char *ostype)
{
if (STREQ(ostype, "hvm"))
return VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL;
else
return VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_XEN;
}
static virCapsPtr
libxlBuildCapabilities(const char *hostmachine,
int host_pae,
struct guest_arch *guest_archs,
int nr_guest_archs)
{
virCapsPtr caps;
int i;
if ((caps = virCapabilitiesNew(hostmachine, 1, 1)) == NULL)
goto no_memory;
virCapabilitiesSetMacPrefix(caps, (unsigned char[]){ 0x00, 0x16, 0x3e });
if (host_pae &&
virCapabilitiesAddHostFeature(caps, "pae") < 0)
goto no_memory;
for (i = 0; i < nr_guest_archs; ++i) {
virCapsGuestPtr guest;
char const *const xen_machines[] = {guest_archs[i].hvm ? "xenfv" : "xenpv"};
virCapsGuestMachinePtr *machines;
if ((machines = virCapabilitiesAllocMachines(xen_machines, 1)) == NULL)
goto no_memory;
if ((guest = virCapabilitiesAddGuest(caps,
guest_archs[i].hvm ? "hvm" : "xen",
guest_archs[i].model,
guest_archs[i].bits,
(STREQ(hostmachine, "x86_64") ?
"/usr/lib64/xen/bin/qemu-dm" :
"/usr/lib/xen/bin/qemu-dm"),
(guest_archs[i].hvm ?
"/usr/lib/xen/boot/hvmloader" :
NULL),
1,
machines)) == NULL) {
virCapabilitiesFreeMachines(machines, 1);
goto no_memory;
}
machines = NULL;
if (virCapabilitiesAddGuestDomain(guest,
"xen",
NULL,
NULL,
0,
NULL) == NULL)
goto no_memory;
if (guest_archs[i].pae &&
virCapabilitiesAddGuestFeature(guest,
"pae",
1,
0) == NULL)
goto no_memory;
if (guest_archs[i].nonpae &&
virCapabilitiesAddGuestFeature(guest,
"nonpae",
1,
0) == NULL)
goto no_memory;
if (guest_archs[i].ia64_be &&
virCapabilitiesAddGuestFeature(guest,
"ia64_be",
1,
0) == NULL)
goto no_memory;
if (guest_archs[i].hvm) {
if (virCapabilitiesAddGuestFeature(guest,
"acpi",
1,
1) == NULL)
goto no_memory;
if (virCapabilitiesAddGuestFeature(guest, "apic",
1,
0) == NULL)
goto no_memory;
if (virCapabilitiesAddGuestFeature(guest,
"hap",
0,
1) == NULL)
goto no_memory;
}
}
caps->defaultConsoleTargetType = libxlDefaultConsoleType;
return caps;
no_memory:
virCapabilitiesFree(caps);
return NULL;
}
static virCapsPtr
libxlMakeCapabilitiesInternal(const char *hostmachine,
libxl_physinfo *phy_info,
char *capabilities)
{
char *str, *token;
regmatch_t subs[4];
char *saveptr = NULL;
int i;
int host_pae = 0;
struct guest_arch guest_archs[32];
int nr_guest_archs = 0;
virCapsPtr caps = NULL;
memset(guest_archs, 0, sizeof(guest_archs));
/* hw_caps is an array of 32-bit words whose meaning is listed in
* xen-unstable.hg/xen/include/asm-x86/cpufeature.h. Each feature
* is defined in the form X*32+Y, corresponding to the Y'th bit in
* the X'th 32-bit word of hw_cap.
*/
host_pae = phy_info->hw_cap[0] & LIBXL_X86_FEATURE_PAE_MASK;
/* Format of capabilities string is documented in the code in
* xen-unstable.hg/xen/arch/.../setup.c.
*
* It is a space-separated list of supported guest architectures.
*
* For x86:
* TYP-VER-ARCH[p]
* ^ ^ ^ ^
* | | | +-- PAE supported
* | | +------- x86_32 or x86_64
* | +----------- the version of Xen, eg. "3.0"
* +--------------- "xen" or "hvm" for para or full virt respectively
*
* For IA64:
* TYP-VER-ARCH[be]
* ^ ^ ^ ^
* | | | +-- Big-endian supported
* | | +------- always "ia64"
* | +----------- the version of Xen, eg. "3.0"
* +--------------- "xen" or "hvm" for para or full virt respectively
*/
/* Split capabilities string into tokens. strtok_r is OK here because
* we "own" the buffer. Parse out the features from each token.
*/
for (str = capabilities, nr_guest_archs = 0;
nr_guest_archs < sizeof(guest_archs) / sizeof(guest_archs[0])
&& (token = strtok_r(str, " ", &saveptr)) != NULL;
str = NULL) {
if (regexec(&xen_cap_rec, token, sizeof(subs) / sizeof(subs[0]),
subs, 0) == 0) {
int hvm = STRPREFIX(&token[subs[1].rm_so], "hvm");
const char *model;
int bits, pae = 0, nonpae = 0, ia64_be = 0;
if (STRPREFIX(&token[subs[2].rm_so], "x86_32")) {
model = "i686";
bits = 32;
if (subs[3].rm_so != -1 &&
STRPREFIX(&token[subs[3].rm_so], "p"))
pae = 1;
else
nonpae = 1;
}
else if (STRPREFIX(&token[subs[2].rm_so], "x86_64")) {
model = "x86_64";
bits = 64;
}
else if (STRPREFIX(&token[subs[2].rm_so], "ia64")) {
model = "ia64";
bits = 64;
if (subs[3].rm_so != -1 &&
STRPREFIX(&token[subs[3].rm_so], "be"))
ia64_be = 1;
}
else if (STRPREFIX(&token[subs[2].rm_so], "powerpc64")) {
model = "ppc64";
bits = 64;
} else {
continue;
}
/* Search for existing matching (model,hvm) tuple */
for (i = 0 ; i < nr_guest_archs ; i++) {
if (STREQ(guest_archs[i].model, model) &&
guest_archs[i].hvm == hvm) {
break;
}
}
/* Too many arch flavours - highly unlikely ! */
if (i >= ARRAY_CARDINALITY(guest_archs))
continue;
/* Didn't find a match, so create a new one */
if (i == nr_guest_archs)
nr_guest_archs++;
guest_archs[i].model = model;
guest_archs[i].bits = bits;
guest_archs[i].hvm = hvm;
/* Careful not to overwrite a previous positive
setting with a negative one here - some archs
can do both pae & non-pae, but Xen reports
separately capabilities so we're merging archs */
if (pae)
guest_archs[i].pae = pae;
if (nonpae)
guest_archs[i].nonpae = nonpae;
if (ia64_be)
guest_archs[i].ia64_be = ia64_be;
}
}
if ((caps = libxlBuildCapabilities(hostmachine,
host_pae,
guest_archs,
nr_guest_archs)) == NULL)
goto no_memory;
return caps;
no_memory:
virReportOOMError();
virCapabilitiesFree(caps);
return NULL;
}
static int
libxlMakeDomCreateInfo(virDomainDefPtr def, libxl_domain_create_info *c_info)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
libxl_init_create_info(c_info);
c_info->hvm = STREQ(def->os.type, "hvm");
if ((c_info->name = strdup(def->name)) == NULL) {
virReportOOMError();
goto error;
}
virUUIDFormat(def->uuid, uuidstr);
if (libxl_uuid_from_string(&c_info->uuid, uuidstr) ) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("libxenlight failed to parse UUID '%s'"), uuidstr);
goto error;
}
return 0;
error:
libxl_domain_create_info_destroy(c_info);
return -1;
}
static int
libxlMakeDomBuildInfo(virDomainDefPtr def, libxl_domain_config *d_config)
{
libxl_domain_build_info *b_info = &d_config->b_info;
int hvm = STREQ(def->os.type, "hvm");
int i;
/* Currently, libxenlight only supports 32 vcpus per domain.
* cur_vcpus member of struct libxl_domain_build_info is defined
* as an int, but its semantic is a bitmap of online vcpus, so
* only 32 can be represented.
*/
if (def->maxvcpus > 32 || def->vcpus > 32) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("This version of libxenlight only supports 32 "
"vcpus per domain"));
return -1;
}
libxl_init_build_info(b_info, &d_config->c_info);
b_info->hvm = hvm;
b_info->max_vcpus = def->maxvcpus;
if (def->vcpus == 32)
b_info->cur_vcpus = (uint32_t) -1;
else
b_info->cur_vcpus = (1 << def->vcpus) - 1;
if (def->clock.ntimers > 0 &&
def->clock.timers[0]->name == VIR_DOMAIN_TIMER_NAME_TSC) {
switch (def->clock.timers[0]->mode) {
case VIR_DOMAIN_TIMER_MODE_NATIVE:
b_info->tsc_mode = 2;
break;
case VIR_DOMAIN_TIMER_MODE_PARAVIRT:
b_info->tsc_mode = 3;
break;
default:
b_info->tsc_mode = 1;
}
}
b_info->max_memkb = def->mem.max_balloon;
b_info->target_memkb = def->mem.cur_balloon;
if (hvm) {
b_info->u.hvm.pae = def->features & (1 << VIR_DOMAIN_FEATURE_PAE);
b_info->u.hvm.apic = def->features & (1 << VIR_DOMAIN_FEATURE_APIC);
b_info->u.hvm.acpi = def->features & (1 << VIR_DOMAIN_FEATURE_ACPI);
for (i = 0; i < def->clock.ntimers; i++) {
if (def->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_HPET &&
def->clock.timers[i]->present == 1) {
b_info->u.hvm.hpet = 1;
}
}
/*
* The following comment and calculation were taken directly from
* libxenlight's internal function libxl_get_required_shadow_memory():
*
* 256 pages (1MB) per vcpu, plus 1 page per MiB of RAM for the P2M map,
* plus 1 page per MiB of RAM to shadow the resident processes.
*/
b_info->shadow_memkb = 4 * (256 * b_info->cur_vcpus +
2 * (b_info->max_memkb / 1024));
} else {
if (def->os.bootloader) {
if ((b_info->u.pv.bootloader = strdup(def->os.bootloader)) == NULL) {
virReportOOMError();
goto error;
}
}
if (def->os.bootloaderArgs) {
if ((b_info->u.pv.bootloader_args = strdup(def->os.bootloaderArgs)) == NULL) {
virReportOOMError();
goto error;
}
}
if (def->os.cmdline) {
if ((b_info->u.pv.cmdline = strdup(def->os.cmdline)) == NULL) {
virReportOOMError();
goto error;
}
}
if (def->os.kernel) {
/* libxl_init_build_info() sets kernel.path = strdup("hvmloader") */
VIR_FREE(b_info->kernel.path);
if ((b_info->kernel.path = strdup(def->os.kernel)) == NULL) {
virReportOOMError();
goto error;
}
}
if (def->os.initrd) {
if ((b_info->u.pv.ramdisk.path = strdup(def->os.initrd)) == NULL) {
virReportOOMError();
goto error;
}
}
}
return 0;
error:
libxl_domain_build_info_destroy(b_info);
return -1;
}
int
libxlMakeDisk(virDomainDefPtr def, virDomainDiskDefPtr l_disk,
libxl_device_disk *x_disk)
{
if (l_disk->src && (x_disk->pdev_path = strdup(l_disk->src)) == NULL) {
virReportOOMError();
return -1;
}
if (l_disk->dst && (x_disk->vdev = strdup(l_disk->dst)) == NULL) {
virReportOOMError();
return -1;
}
if (l_disk->driverName) {
if (STREQ(l_disk->driverName, "tap") ||
STREQ(l_disk->driverName, "tap2")) {
switch (l_disk->format) {
case VIR_STORAGE_FILE_QCOW:
x_disk->format = DISK_FORMAT_QCOW;
x_disk->backend = DISK_BACKEND_QDISK;
break;
case VIR_STORAGE_FILE_QCOW2:
x_disk->format = DISK_FORMAT_QCOW2;
x_disk->backend = DISK_BACKEND_QDISK;
break;
case VIR_STORAGE_FILE_VHD:
x_disk->format = DISK_FORMAT_VHD;
x_disk->backend = DISK_BACKEND_TAP;
break;
case VIR_STORAGE_FILE_NONE:
/* No subtype specified, default to raw/tap */
case VIR_STORAGE_FILE_RAW:
x_disk->format = DISK_FORMAT_RAW;
x_disk->backend = DISK_BACKEND_TAP;
break;
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("libxenlight does not support disk driver %s"),
virStorageFileFormatTypeToString(l_disk->format));
return -1;
}
} else if (STREQ(l_disk->driverName, "file")) {
x_disk->format = DISK_FORMAT_RAW;
x_disk->backend = DISK_BACKEND_TAP;
} else if (STREQ(l_disk->driverName, "phy")) {
x_disk->format = DISK_FORMAT_RAW;
x_disk->backend = DISK_BACKEND_PHY;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("libxenlight does not support disk driver %s"),
l_disk->driverName);
return -1;
}
} else {
/* No driverName - default to raw/tap?? */
x_disk->format = DISK_FORMAT_RAW;
x_disk->backend = DISK_BACKEND_TAP;
}
/* How to set unpluggable? */
x_disk->unpluggable = 1;
x_disk->readwrite = !l_disk->readonly;
x_disk->is_cdrom = l_disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ? 1 : 0;
if (l_disk->transient) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("libxenlight does not support transient disks"));
return -1;
}
x_disk->domid = def->id;
return 0;
}
static int
libxlMakeDiskList(virDomainDefPtr def, libxl_domain_config *d_config)
{
virDomainDiskDefPtr *l_disks = def->disks;
int ndisks = def->ndisks;
libxl_device_disk *x_disks;
int i;
if (VIR_ALLOC_N(x_disks, ndisks) < 0) {
virReportOOMError();
return -1;
}
for (i = 0; i < ndisks; i++) {
if (libxlMakeDisk(def, l_disks[i], &x_disks[i]) < 0)
goto error;
}
d_config->disks = x_disks;
d_config->num_disks = ndisks;
return 0;
error:
for (i = 0; i < ndisks; i++)
libxl_device_disk_destroy(&x_disks[i]);
VIR_FREE(x_disks);
return -1;
}
int
libxlMakeNic(virDomainDefPtr def, virDomainNetDefPtr l_nic,
libxl_device_nic *x_nic)
{
// TODO: Where is mtu stored?
//x_nics[i].mtu = 1492;
x_nic->domid = def->id;
virMacAddrGetRaw(&l_nic->mac, x_nic->mac);
if (l_nic->model && !STREQ(l_nic->model, "netfront")) {
if ((x_nic->model = strdup(l_nic->model)) == NULL) {
virReportOOMError();
return -1;
}
x_nic->nictype = NICTYPE_IOEMU;
} else {
x_nic->nictype = NICTYPE_VIF;
}
if (l_nic->ifname && (x_nic->ifname = strdup(l_nic->ifname)) == NULL) {
virReportOOMError();
return -1;
}
if (l_nic->type == VIR_DOMAIN_NET_TYPE_BRIDGE) {
if (l_nic->data.bridge.brname &&
(x_nic->bridge = strdup(l_nic->data.bridge.brname)) == NULL) {
virReportOOMError();
return -1;
}
if (l_nic->script &&
(x_nic->script = strdup(l_nic->script)) == NULL) {
virReportOOMError();
return -1;
}
} else {
if (l_nic->script) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("scripts are not supported on interfaces of type %s"),
virDomainNetTypeToString(l_nic->type));
return -1;
}
}
return 0;
}
static int
libxlMakeNicList(virDomainDefPtr def, libxl_domain_config *d_config)
{
virDomainNetDefPtr *l_nics = def->nets;
int nnics = def->nnets;
libxl_device_nic *x_nics;
int i;
if (VIR_ALLOC_N(x_nics, nnics) < 0) {
virReportOOMError();
return -1;
}
for (i = 0; i < nnics; i++) {
x_nics[i].devid = i;
if (libxlMakeNic(def, l_nics[i], &x_nics[i]))
goto error;
}
d_config->vifs = x_nics;
d_config->num_vifs = nnics;
return 0;
error:
for (i = 0; i < nnics; i++)
libxl_device_nic_destroy(&x_nics[i]);
VIR_FREE(x_nics);
return -1;
}
int
libxlMakeVfb(libxlDriverPrivatePtr driver, virDomainDefPtr def,
virDomainGraphicsDefPtr l_vfb, libxl_device_vfb *x_vfb)
{
int port;
const char *listenAddr;
switch (l_vfb->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
x_vfb->sdl = 1;
if (l_vfb->data.sdl.display &&
(x_vfb->display = strdup(l_vfb->data.sdl.display)) == NULL) {
virReportOOMError();
return -1;
}
if (l_vfb->data.sdl.xauth &&
(x_vfb->xauthority =
strdup(l_vfb->data.sdl.xauth)) == NULL) {
virReportOOMError();
return -1;
}
break;
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
x_vfb->vnc = 1;
/* driver handles selection of free port */
x_vfb->vncunused = 0;
if (l_vfb->data.vnc.autoport) {
port = libxlNextFreeVncPort(driver, LIBXL_VNC_PORT_MIN);
if (port < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Unable to find an unused VNC port"));
return -1;
}
l_vfb->data.vnc.port = port;
}
x_vfb->vncdisplay = l_vfb->data.vnc.port - LIBXL_VNC_PORT_MIN;
listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
if (listenAddr) {
/* libxl_device_vfb_init() does strdup("127.0.0.1") */
VIR_FREE(x_vfb->vnclisten);
if ((x_vfb->vnclisten = strdup(listenAddr)) == NULL) {
virReportOOMError();
return -1;
}
}
if (l_vfb->data.vnc.keymap &&
(x_vfb->keymap =
strdup(l_vfb->data.vnc.keymap)) == NULL) {
virReportOOMError();
return -1;
}
break;
}
x_vfb->domid = def->id;
return 0;
}
static int
libxlMakeVfbList(libxlDriverPrivatePtr driver,
virDomainDefPtr def, libxl_domain_config *d_config)
{
virDomainGraphicsDefPtr *l_vfbs = def->graphics;
int nvfbs = def->ngraphics;
libxl_device_vfb *x_vfbs;
libxl_device_vkb *x_vkbs;
int i;
if (nvfbs == 0)
return 0;
if (VIR_ALLOC_N(x_vfbs, nvfbs) < 0) {
virReportOOMError();
return -1;
}
if (VIR_ALLOC_N(x_vkbs, nvfbs) < 0) {
virReportOOMError();
VIR_FREE(x_vfbs);
return -1;
}
for (i = 0; i < nvfbs; i++) {
libxl_device_vfb_init(&x_vfbs[i], i);
libxl_device_vkb_init(&x_vkbs[i], i);
if (libxlMakeVfb(driver, def, l_vfbs[i], &x_vfbs[i]) < 0)
goto error;
}
d_config->vfbs = x_vfbs;
d_config->vkbs = x_vkbs;
d_config->num_vfbs = d_config->num_vkbs = nvfbs;
return 0;
error:
for (i = 0; i < nvfbs; i++) {
libxl_device_vfb_destroy(&x_vfbs[i]);
libxl_device_vkb_destroy(&x_vkbs[i]);
}
VIR_FREE(x_vfbs);
VIR_FREE(x_vkbs);
return -1;
}
static int
libxlMakeChrdevStr(virDomainChrDefPtr def, char **buf)
{
const char *type = virDomainChrTypeToString(def->source.type);
if (!type) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("unexpected chr device type"));
return -1;
}
switch (def->source.type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
if (virAsprintf(buf, "%s", type) < 0) {
virReportOOMError();
return -1;
}
break;
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
if (virAsprintf(buf, "%s:%s", type,
def->source.data.file.path) < 0) {
virReportOOMError();
return -1;
}
break;
case VIR_DOMAIN_CHR_TYPE_DEV:
if (virAsprintf(buf, "%s", def->source.data.file.path) < 0) {
virReportOOMError();
return -1;
}
break;
}
return 0;
}
static int
libxlMakeDeviceModelInfo(virDomainDefPtr def, libxl_domain_config *d_config)
{
libxl_device_model_info *dm_info = &d_config->dm_info;
int i;
char b_order[VIR_DOMAIN_BOOT_LAST+1];
libxl_init_dm_info(dm_info, &d_config->c_info, &d_config->b_info);
if (d_config->b_info.hvm) {
/* HVM-specific device model info */
dm_info->type = XENFV;
if (def->os.nBootDevs > 0) {
VIR_FREE(dm_info->boot);
for (i = 0; i < def->os.nBootDevs; i++) {
switch (def->os.bootDevs[i]) {
case VIR_DOMAIN_BOOT_FLOPPY:
b_order[i] = 'a';
break;
default:
case VIR_DOMAIN_BOOT_DISK:
b_order[i] = 'c';
break;
case VIR_DOMAIN_BOOT_CDROM:
b_order[i] = 'd';
break;
case VIR_DOMAIN_BOOT_NET:
b_order[i] = 'n';
break;
}
}
b_order[def->os.nBootDevs] = '\0';
if ((dm_info->boot = strdup(b_order)) == NULL) {
virReportOOMError();
goto error;
}
}
if (def->serials &&
(libxlMakeChrdevStr(def->serials[0], &dm_info->serial) < 0))
goto error;
} else {
/* PV-specific device model info */
dm_info->type = XENPV;
}
/* Build qemu graphics options from previously parsed vfb */
if (d_config->num_vfbs > 0) {
if (d_config->vfbs[0].vnc) {
dm_info->vnc = 1;
/* driver handles selection of free port */
dm_info->vncunused = 0;
if (d_config->vfbs[0].vnclisten) {
VIR_FREE(dm_info->vnclisten);
if ((dm_info->vnclisten =
strdup(d_config->vfbs[0].vnclisten)) == NULL) {
virReportOOMError();
goto error;
}
}
if (d_config->vfbs[0].keymap &&
(dm_info->keymap = strdup(d_config->vfbs[0].keymap)) == NULL) {
virReportOOMError();
goto error;
}
dm_info->vncdisplay = d_config->vfbs[0].vncdisplay;
if (d_config->vfbs[0].vncpasswd &&
(dm_info->vncpasswd =
strdup(d_config->vfbs[0].vncpasswd)) == NULL) {
virReportOOMError();
goto error;
}
} else if (d_config->vfbs[0].sdl) {
dm_info->sdl = 1;
dm_info->vnc = 0;
}
} else if (d_config->num_vfbs == 0) {
dm_info->nographic = 1;
dm_info->vnc = 0;
}
// TODO
//dm_info->usb = ;
//dm_info->usbdevice = ;
//dm_info->soundhw = ;
return 0;
error:
libxl_device_model_info_destroy(dm_info);
return -1;
}
virCapsPtr
libxlMakeCapabilities(libxl_ctx *ctx)
{
libxl_physinfo phy_info;
const libxl_version_info *ver_info;
struct utsname utsname;
regcomp (&xen_cap_rec, xen_cap_re, REG_EXTENDED);
if (libxl_get_physinfo(ctx, &phy_info) != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Failed to get node physical info from libxenlight"));
return NULL;
}
if ((ver_info = libxl_get_version_info(ctx)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Failed to get version info from libxenlight"));
return NULL;
}
uname(&utsname);
return libxlMakeCapabilitiesInternal(utsname.machine,
&phy_info,
ver_info->capabilities);
}
int
libxlBuildDomainConfig(libxlDriverPrivatePtr driver,
virDomainDefPtr def, libxl_domain_config *d_config)
{
if (libxlMakeDomCreateInfo(def, &d_config->c_info) < 0)
return -1;
if (libxlMakeDomBuildInfo(def, d_config) < 0) {
goto error;
}
if (libxlMakeDiskList(def, d_config) < 0) {
goto error;
}
if (libxlMakeNicList(def, d_config) < 0) {
goto error;
}
if (libxlMakeVfbList(driver, def, d_config) < 0) {
goto error;
}
if (libxlMakeDeviceModelInfo(def, d_config) < 0) {
goto error;
}
d_config->on_reboot = def->onReboot;
d_config->on_poweroff = def->onPoweroff;
d_config->on_crash = def->onCrash;
return 0;
error:
libxl_domain_config_destroy(d_config);
return -1;
}