libxl_conf.c 40.7 KB
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/*
 * libxl_conf.c: libxl configuration management
 *
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 * Copyright (C) 2012-2014 Red Hat, Inc.
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 * Copyright (c) 2011-2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
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 * Copyright (C) 2011 Univention GmbH.
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 *
 * 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
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 * License along with this library.  If not, see
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 * <http://www.gnu.org/licenses/>.
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 *
 * Authors:
 *     Jim Fehlig <jfehlig@novell.com>
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 *     Markus Groß <gross@univention.de>
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 */

#include <config.h>

#include <regex.h>
#include <libxl.h>
#include <sys/types.h>
#include <sys/socket.h>

#include "internal.h"
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#include "virlog.h"
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#include "virerror.h"
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#include "datatypes.h"
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#include "virfile.h"
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#include "virstring.h"
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#include "viralloc.h"
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#include "viruuid.h"
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#include "capabilities.h"
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#include "libxl_domain.h"
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#include "libxl_conf.h"
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#include "libxl_utils.h"
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#include "virstoragefile.h"
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#define VIR_FROM_THIS VIR_FROM_LIBXL

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VIR_LOG_INIT("libxl.libxl_conf");

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/* see xen-unstable.hg/xen/include/asm-x86/cpufeature.h */
#define LIBXL_X86_FEATURE_PAE_MASK 0x40


struct guest_arch {
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    virArch arch;
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    int bits;
    int hvm;
    int pae;
    int nonpae;
    int ia64_be;
};

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#define XEN_CAP_REGEX "(xen|hvm)-[[:digit:]]+\\.[[:digit:]]+-(aarch64|armv7l|x86_32|x86_64|ia64|powerpc64)(p|be)?"
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static virClassPtr libxlDriverConfigClass;
static void libxlDriverConfigDispose(void *obj);

static int libxlConfigOnceInit(void)
{
    if (!(libxlDriverConfigClass = virClassNew(virClassForObject(),
                                               "libxlDriverConfig",
                                               sizeof(libxlDriverConfig),
                                               libxlDriverConfigDispose)))
        return -1;

    return 0;
}

VIR_ONCE_GLOBAL_INIT(libxlConfig)

static void
libxlDriverConfigDispose(void *obj)
{
    libxlDriverConfigPtr cfg = obj;

    virObjectUnref(cfg->caps);
    libxl_ctx_free(cfg->ctx);
    xtl_logger_destroy(cfg->logger);
    if (cfg->logger_file)
        VIR_FORCE_FCLOSE(cfg->logger_file);

    VIR_FREE(cfg->configDir);
    VIR_FREE(cfg->autostartDir);
    VIR_FREE(cfg->logDir);
    VIR_FREE(cfg->stateDir);
    VIR_FREE(cfg->libDir);
    VIR_FREE(cfg->saveDir);
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    VIR_FREE(cfg->autoDumpDir);
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}

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static int
libxlCapsInitHost(libxl_ctx *ctx, virCapsPtr caps)
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{
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    libxl_physinfo phy_info;
    int host_pae;
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    if (libxl_get_physinfo(ctx, &phy_info) != 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Failed to get node physical info from libxenlight"));
        return -1;
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    }

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    /* 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;
    if (host_pae &&
        virCapabilitiesAddHostFeature(caps, "pae") < 0)
        return -1;
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    return 0;
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}

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static int
libxlCapsInitNuma(libxl_ctx *ctx, virCapsPtr caps)
{
    libxl_numainfo *numa_info = NULL;
    libxl_cputopology *cpu_topo = NULL;
    int nr_nodes = 0, nr_cpus = 0;
    virCapsHostNUMACellCPUPtr *cpus = NULL;
    int *nr_cpus_node = NULL;
    size_t i;
    int ret = -1;

    /* Let's try to fetch all the topology information */
    numa_info = libxl_get_numainfo(ctx, &nr_nodes);
    if (numa_info == NULL || nr_nodes == 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("libxl_get_numainfo failed"));
        goto cleanup;
    } else {
        cpu_topo = libxl_get_cpu_topology(ctx, &nr_cpus);
        if (cpu_topo == NULL || nr_cpus == 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("libxl_get_cpu_topology failed"));
            goto cleanup;
        }
    }

    if (VIR_ALLOC_N(cpus, nr_nodes) < 0)
        goto cleanup;

    if (VIR_ALLOC_N(nr_cpus_node, nr_nodes) < 0)
        goto cleanup;

    /* For each node, prepare a list of CPUs belonging to that node */
    for (i = 0; i < nr_cpus; i++) {
        int node = cpu_topo[i].node;

        if (cpu_topo[i].core == LIBXL_CPUTOPOLOGY_INVALID_ENTRY)
            continue;

        nr_cpus_node[node]++;

        if (nr_cpus_node[node] == 1) {
            if (VIR_ALLOC(cpus[node]) < 0)
                goto cleanup;
        } else {
            if (VIR_REALLOC_N(cpus[node], nr_cpus_node[node]) < 0)
                goto cleanup;
        }

        /* Mapping between what libxl tells and what libvirt wants */
        cpus[node][nr_cpus_node[node]-1].id = i;
        cpus[node][nr_cpus_node[node]-1].socket_id = cpu_topo[i].socket;
        cpus[node][nr_cpus_node[node]-1].core_id = cpu_topo[i].core;
        /* Allocate the siblings maps. We will be filling them later */
        cpus[node][nr_cpus_node[node]-1].siblings = virBitmapNew(nr_cpus);
        if (!cpus[node][nr_cpus_node[node]-1].siblings) {
            virReportOOMError();
            goto cleanup;
        }
    }

    /* Let's now populate the siblings bitmaps */
    for (i = 0; i < nr_cpus; i++) {
        int node = cpu_topo[i].node;
        size_t j;

        if (cpu_topo[i].core == LIBXL_CPUTOPOLOGY_INVALID_ENTRY)
            continue;

        for (j = 0; j < nr_cpus_node[node]; j++) {
            if (cpus[node][j].socket_id == cpu_topo[i].socket &&
                cpus[node][j].core_id == cpu_topo[i].core)
                ignore_value(virBitmapSetBit(cpus[node][j].siblings, i));
        }
    }

    for (i = 0; i < nr_nodes; i++) {
        if (numa_info[i].size == LIBXL_NUMAINFO_INVALID_ENTRY)
            continue;

        if (virCapabilitiesAddHostNUMACell(caps, i, nr_cpus_node[i],
                                           numa_info[i].size / 1024,
                                           cpus[i]) < 0) {
            virCapabilitiesClearHostNUMACellCPUTopology(cpus[i],
                                                        nr_cpus_node[i]);
            goto cleanup;
        }

        /* This is safe, as the CPU list is now stored in the NUMA cell */
        cpus[i] = NULL;
    }

    ret = 0;

 cleanup:
    if (ret != 0) {
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        for (i = 0; cpus && i < nr_nodes; i++)
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            VIR_FREE(cpus[i]);
        virCapabilitiesFreeNUMAInfo(caps);
    }

    VIR_FREE(cpus);
    VIR_FREE(nr_cpus_node);
    libxl_cputopology_list_free(cpu_topo, nr_cpus);
    libxl_numainfo_list_free(numa_info, nr_nodes);

    return ret;
}

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static int
libxlCapsInitGuests(libxl_ctx *ctx, virCapsPtr caps)
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{
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    const libxl_version_info *ver_info;
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    int err;
    regex_t regex;
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    char *str, *token;
    regmatch_t subs[4];
    char *saveptr = NULL;
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    size_t i;
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    virArch hostarch = caps->host.arch;
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    struct guest_arch guest_archs[32];
    int nr_guest_archs = 0;

    memset(guest_archs, 0, sizeof(guest_archs));

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    if ((ver_info = libxl_get_version_info(ctx)) == NULL) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Failed to get version info from libxenlight"));
        return -1;
    }
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    err = regcomp(&regex, XEN_CAP_REGEX, REG_EXTENDED);
    if (err != 0) {
        char error[100];
        regerror(err, &regex, error, sizeof(error));
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Failed to compile regex %s"), error);
        return -1;
    }

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    /* 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.
     */
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    for (str = ver_info->capabilities, nr_guest_archs = 0;
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         nr_guest_archs < sizeof(guest_archs) / sizeof(guest_archs[0])
                 && (token = strtok_r(str, " ", &saveptr)) != NULL;
         str = NULL) {
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        if (regexec(&regex, token, sizeof(subs) / sizeof(subs[0]),
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                    subs, 0) == 0) {
            int hvm = STRPREFIX(&token[subs[1].rm_so], "hvm");
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            virArch arch;
            int pae = 0, nonpae = 0, ia64_be = 0;
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            if (STRPREFIX(&token[subs[2].rm_so], "x86_32")) {
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                arch = VIR_ARCH_I686;
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                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")) {
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                arch = VIR_ARCH_X86_64;
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            }
            else if (STRPREFIX(&token[subs[2].rm_so], "ia64")) {
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                arch = VIR_ARCH_ITANIUM;
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                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")) {
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                arch = VIR_ARCH_PPC64;
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            } else if (STRPREFIX(&token[subs[2].rm_so], "armv7l")) {
                arch = VIR_ARCH_ARMV7L;
            } else if (STRPREFIX(&token[subs[2].rm_so], "aarch64")) {
                arch = VIR_ARCH_AARCH64;
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            } else {
                continue;
            }

            /* Search for existing matching (model,hvm) tuple */
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            for (i = 0; i < nr_guest_archs; i++) {
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                if ((guest_archs[i].arch == arch) &&
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                    guest_archs[i].hvm == hvm)
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                    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++;

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            guest_archs[i].arch = arch;
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            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;
        }
    }
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    regfree(&regex);
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    for (i = 0; i < nr_guest_archs; ++i) {
        virCapsGuestPtr guest;
        char const *const xen_machines[] = {guest_archs[i].hvm ? "xenfv" : "xenpv"};
        virCapsGuestMachinePtr *machines;
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        if ((machines = virCapabilitiesAllocMachines(xen_machines, 1)) == NULL)
            return -1;
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        if ((guest = virCapabilitiesAddGuest(caps,
                                             guest_archs[i].hvm ? "hvm" : "xen",
                                             guest_archs[i].arch,
                                             ((hostarch == VIR_ARCH_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);
            return -1;
        }
        machines = NULL;

        if (virCapabilitiesAddGuestDomain(guest,
                                          "xen",
                                          NULL,
                                          NULL,
                                          0,
                                          NULL) == NULL)
            return -1;

        if (guest_archs[i].pae &&
            virCapabilitiesAddGuestFeature(guest,
                                           "pae",
                                           1,
                                           0) == NULL)
            return -1;

        if (guest_archs[i].nonpae &&
            virCapabilitiesAddGuestFeature(guest,
                                           "nonpae",
                                           1,
                                           0) == NULL)
            return -1;

        if (guest_archs[i].ia64_be &&
            virCapabilitiesAddGuestFeature(guest,
                                           "ia64_be",
                                           1,
                                           0) == NULL)
            return -1;

        if (guest_archs[i].hvm) {
            if (virCapabilitiesAddGuestFeature(guest,
                                               "acpi",
                                               1,
                                               1) == NULL)
                return -1;

            if (virCapabilitiesAddGuestFeature(guest, "apic",
                                               1,
                                               0) == NULL)
                return -1;

            if (virCapabilitiesAddGuestFeature(guest,
                                               "hap",
                                               0,
                                               1) == NULL)
                return -1;
        }
    }

    return 0;
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}

static int
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libxlMakeDomCreateInfo(libxl_ctx *ctx,
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                       virDomainDefPtr def,
                       libxl_domain_create_info *c_info)
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{
    char uuidstr[VIR_UUID_STRING_BUFLEN];

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    libxl_domain_create_info_init(c_info);

    if (STREQ(def->os.type, "hvm"))
        c_info->type = LIBXL_DOMAIN_TYPE_HVM;
    else
        c_info->type = LIBXL_DOMAIN_TYPE_PV;
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    if (VIR_STRDUP(c_info->name, def->name) < 0)
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        goto error;

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    if (def->nseclabels &&
        def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_STATIC) {
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        if (libxl_flask_context_to_sid(ctx,
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                                       def->seclabels[0]->label,
                                       strlen(def->seclabels[0]->label),
                                       &c_info->ssidref)) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("libxenlight failed to resolve security label '%s'"),
                           def->seclabels[0]->label);
        }
    }

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    virUUIDFormat(def->uuid, uuidstr);
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    if (libxl_uuid_from_string(&c_info->uuid, uuidstr)) {
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        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("libxenlight failed to parse UUID '%s'"), uuidstr);
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        goto error;
    }

    return 0;

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 error:
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    libxl_domain_create_info_dispose(c_info);
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    return -1;
}

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static int
libxlMakeChrdevStr(virDomainChrDefPtr def, char **buf)
{
    virDomainChrSourceDef srcdef = def->source;
    const char *type = virDomainChrTypeToString(srcdef.type);

    if (!type) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       "%s", _("unknown chrdev type"));
        return -1;
    }

    switch (srcdef.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 (VIR_STRDUP(*buf, type) < 0)
            return -1;
        break;

    case VIR_DOMAIN_CHR_TYPE_FILE:
    case VIR_DOMAIN_CHR_TYPE_PIPE:
        if (virAsprintf(buf, "%s:%s", type, srcdef.data.file.path) < 0)
            return -1;
        break;

    case VIR_DOMAIN_CHR_TYPE_DEV:
        if (VIR_STRDUP(*buf, srcdef.data.file.path) < 0)
            return -1;
        break;

    case VIR_DOMAIN_CHR_TYPE_UDP: {
        const char *connectHost = srcdef.data.udp.connectHost;
        const char *bindHost = srcdef.data.udp.bindHost;
        const char *bindService  = srcdef.data.udp.bindService;

        if (connectHost == NULL)
            connectHost = "";
        if (bindHost == NULL)
            bindHost = "";
        if (bindService == NULL)
            bindService = "0";

        if (virAsprintf(buf, "udp:%s:%s@%s:%s",
                        connectHost,
                        srcdef.data.udp.connectService,
                        bindHost,
                        bindService) < 0)
            return -1;
        break;
    }

    case VIR_DOMAIN_CHR_TYPE_TCP: {
        const char *prefix;

        if (srcdef.data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET)
            prefix = "telnet";
        else
            prefix = "tcp";

        if (virAsprintf(buf, "%s:%s:%s%s",
                        prefix,
                        srcdef.data.tcp.host,
                        srcdef.data.tcp.service,
                        srcdef.data.tcp.listen ? ",server,nowait" : "") < 0)
            return -1;
        break;
    }

    case VIR_DOMAIN_CHR_TYPE_UNIX:
        if (virAsprintf(buf, "unix:%s%s",
                        srcdef.data.nix.path,
                        srcdef.data.nix.listen ? ",server,nowait" : "") < 0)
            return -1;
        break;

    default:
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("unsupported chardev '%s'"), type);
        return -1;
    }

    return 0;
}

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static int
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libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
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{
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    virDomainDefPtr def = vm->def;
    libxlDomainObjPrivatePtr priv = vm->privateData;
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    libxl_domain_build_info *b_info = &d_config->b_info;
    int hvm = STREQ(def->os.type, "hvm");
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    size_t i;
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    libxl_domain_build_info_init(b_info);
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    if (hvm)
        libxl_domain_build_info_init_type(b_info, LIBXL_DOMAIN_TYPE_HVM);
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    else
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Jim Fehlig 已提交
583
        libxl_domain_build_info_init_type(b_info, LIBXL_DOMAIN_TYPE_PV);
584

J
Jim Fehlig 已提交
585
    b_info->max_vcpus = def->maxvcpus;
586 587 588 589 590 591
    if (libxl_cpu_bitmap_alloc(priv->ctx, &b_info->avail_vcpus, def->maxvcpus))
        goto error;
    libxl_bitmap_set_none(&b_info->avail_vcpus);
    for (i = 0; i < def->vcpus; i++)
        libxl_bitmap_set((&b_info->avail_vcpus), i);

J
Jim Fehlig 已提交
592 593 594 595 596 597 598 599 600 601 602 603 604
    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;
        }
    }
J
Jim Fehlig 已提交
605
    b_info->sched_params.weight = 1000;
J
Jim Fehlig 已提交
606 607 608
    b_info->max_memkb = def->mem.max_balloon;
    b_info->target_memkb = def->mem.cur_balloon;
    if (hvm) {
609 610
        char bootorder[VIR_DOMAIN_BOOT_LAST + 1];

J
Jim Fehlig 已提交
611
        libxl_defbool_set(&b_info->u.hvm.pae,
612 613
                          def->features[VIR_DOMAIN_FEATURE_PAE] ==
                          VIR_DOMAIN_FEATURE_STATE_ON);
J
Jim Fehlig 已提交
614
        libxl_defbool_set(&b_info->u.hvm.apic,
615 616
                          def->features[VIR_DOMAIN_FEATURE_APIC] ==
                          VIR_DOMAIN_FEATURE_STATE_ON);
J
Jim Fehlig 已提交
617
        libxl_defbool_set(&b_info->u.hvm.acpi,
618 619
                          def->features[VIR_DOMAIN_FEATURE_ACPI] ==
                          VIR_DOMAIN_FEATURE_STATE_ON);
P
Paolo Bonzini 已提交
620 621 622
        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) {
J
Jim Fehlig 已提交
623
                libxl_defbool_set(&b_info->u.hvm.hpet, 1);
P
Paolo Bonzini 已提交
624 625
            }
        }
626
        for (i = 0; i < def->os.nBootDevs; i++) {
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
            switch (def->os.bootDevs[i]) {
                case VIR_DOMAIN_BOOT_FLOPPY:
                    bootorder[i] = 'a';
                    break;
                default:
                case VIR_DOMAIN_BOOT_DISK:
                    bootorder[i] = 'c';
                    break;
                case VIR_DOMAIN_BOOT_CDROM:
                    bootorder[i] = 'd';
                    break;
                case VIR_DOMAIN_BOOT_NET:
                    bootorder[i] = 'n';
                    break;
            }
        }
        if (def->os.nBootDevs == 0) {
            bootorder[0] = 'c';
            bootorder[1] = '\0';
        }
        else {
            bootorder[def->os.nBootDevs] = '\0';
        }
650
        if (VIR_STRDUP(b_info->u.hvm.boot, bootorder) < 0)
651
            goto error;
P
Paolo Bonzini 已提交
652

B
Bamvor Jian Zhang 已提交
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670
        if (def->nserials) {
            if (def->nserials > 1) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                               "%s",
                               _("Only one serial device is supported by libxl"));
                goto error;
            }
            if (libxlMakeChrdevStr(def->serials[0], &b_info->u.hvm.serial) < 0)
                goto error;
        }

        if (def->nparallels) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           "%s",
                           _("Parallel devices are not supported by libxl"));
            goto error;
        }

J
Jim Fehlig 已提交
671 672 673 674 675 676 677
        /*
         * 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.
         */
J
Jim Fehlig 已提交
678
        b_info->shadow_memkb = 4 * (256 * libxl_bitmap_count_set(&b_info->avail_vcpus) +
J
Jim Fehlig 已提交
679 680
                                    2 * (b_info->max_memkb / 1024));
    } else {
681 682 683 684 685 686 687 688 689 690 691
        /*
         * For compatibility with the legacy xen toolstack, default to pygrub
         * if bootloader is not specified AND direct kernel boot is not specified.
         */
        if (def->os.bootloader) {
            if (VIR_STRDUP(b_info->u.pv.bootloader, def->os.bootloader) < 0)
                goto error;
        } else if (def->os.kernel == NULL) {
            if (VIR_STRDUP(b_info->u.pv.bootloader, LIBXL_BOOTLOADER_PATH) < 0)
                goto error;
        }
J
Jim Fehlig 已提交
692
        if (def->os.bootloaderArgs) {
J
Jim Fehlig 已提交
693 694
            if (!(b_info->u.pv.bootloader_args =
                  virStringSplit(def->os.bootloaderArgs, " \t\n", 0)))
J
Jim Fehlig 已提交
695 696
                goto error;
        }
697 698
        if (VIR_STRDUP(b_info->u.pv.cmdline, def->os.cmdline) < 0)
            goto error;
J
Jim Fehlig 已提交
699
        if (def->os.kernel) {
700
            /* libxl_init_build_info() sets VIR_STRDUP(kernel.path, "hvmloader") */
J
Jim Fehlig 已提交
701
            VIR_FREE(b_info->u.pv.kernel);
702
            if (VIR_STRDUP(b_info->u.pv.kernel, def->os.kernel) < 0)
J
Jim Fehlig 已提交
703 704
                goto error;
        }
705 706
        if (VIR_STRDUP(b_info->u.pv.ramdisk, def->os.initrd) < 0)
            goto error;
J
Jim Fehlig 已提交
707 708 709 710
    }

    return 0;

711
 error:
J
Jim Fehlig 已提交
712
    libxl_domain_build_info_dispose(b_info);
J
Jim Fehlig 已提交
713 714 715
    return -1;
}

716
int
J
Jim Fehlig 已提交
717
libxlMakeDisk(virDomainDiskDefPtr l_disk, libxl_device_disk *x_disk)
718
{
719 720 721
    const char *driver;
    int format;

722 723
    libxl_device_disk_init(x_disk);

724
    if (VIR_STRDUP(x_disk->pdev_path, virDomainDiskGetSource(l_disk)) < 0)
725 726
        return -1;

727
    if (VIR_STRDUP(x_disk->vdev, l_disk->dst) < 0)
728 729
        return -1;

730 731 732 733 734
    driver = virDomainDiskGetDriver(l_disk);
    format = virDomainDiskGetFormat(l_disk);
    if (driver) {
        if (STREQ(driver, "tap") || STREQ(driver, "tap2")) {
            switch (format) {
735
            case VIR_STORAGE_FILE_QCOW:
J
Jim Fehlig 已提交
736 737
                x_disk->format = LIBXL_DISK_FORMAT_QCOW;
                x_disk->backend = LIBXL_DISK_BACKEND_QDISK;
738 739
                break;
            case VIR_STORAGE_FILE_QCOW2:
J
Jim Fehlig 已提交
740 741
                x_disk->format = LIBXL_DISK_FORMAT_QCOW2;
                x_disk->backend = LIBXL_DISK_BACKEND_QDISK;
742 743
                break;
            case VIR_STORAGE_FILE_VHD:
J
Jim Fehlig 已提交
744 745
                x_disk->format = LIBXL_DISK_FORMAT_VHD;
                x_disk->backend = LIBXL_DISK_BACKEND_TAP;
746 747
                break;
            case VIR_STORAGE_FILE_NONE:
748
                /* No subtype specified, default to raw/tap */
749
            case VIR_STORAGE_FILE_RAW:
J
Jim Fehlig 已提交
750 751
                x_disk->format = LIBXL_DISK_FORMAT_RAW;
                x_disk->backend = LIBXL_DISK_BACKEND_TAP;
752 753 754
                break;
            default:
                virReportError(VIR_ERR_INTERNAL_ERROR,
755 756
                               _("libxenlight does not support disk format %s "
                                 "with disk driver %s"),
757 758
                               virStorageFileFormatTypeToString(format),
                               driver);
759
                return -1;
760
            }
761
        } else if (STREQ(driver, "qemu")) {
J
Jim Fehlig 已提交
762
            x_disk->backend = LIBXL_DISK_BACKEND_QDISK;
763
            switch (format) {
J
Jim Fehlig 已提交
764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
            case VIR_STORAGE_FILE_QCOW:
                x_disk->format = LIBXL_DISK_FORMAT_QCOW;
                break;
            case VIR_STORAGE_FILE_QCOW2:
                x_disk->format = LIBXL_DISK_FORMAT_QCOW2;
                break;
            case VIR_STORAGE_FILE_VHD:
                x_disk->format = LIBXL_DISK_FORMAT_VHD;
                break;
            case VIR_STORAGE_FILE_NONE:
                /* No subtype specified, default to raw */
            case VIR_STORAGE_FILE_RAW:
                x_disk->format = LIBXL_DISK_FORMAT_RAW;
                break;
            default:
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("libxenlight does not support disk format %s "
                                 "with disk driver %s"),
782 783
                               virStorageFileFormatTypeToString(format),
                               driver);
J
Jim Fehlig 已提交
784 785
                return -1;
            }
786 787 788
        } else if (STREQ(driver, "file")) {
            if (format != VIR_STORAGE_FILE_NONE &&
                format != VIR_STORAGE_FILE_RAW) {
789 790 791
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("libxenlight does not support disk format %s "
                                 "with disk driver %s"),
792 793
                               virStorageFileFormatTypeToString(format),
                               driver);
794 795
                return -1;
            }
J
Jim Fehlig 已提交
796 797
            x_disk->format = LIBXL_DISK_FORMAT_RAW;
            x_disk->backend = LIBXL_DISK_BACKEND_TAP;
798 799 800
        } else if (STREQ(driver, "phy")) {
            if (format != VIR_STORAGE_FILE_NONE &&
                format != VIR_STORAGE_FILE_RAW) {
801 802 803
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("libxenlight does not support disk format %s "
                                 "with disk driver %s"),
804 805
                               virStorageFileFormatTypeToString(format),
                               driver);
806 807
                return -1;
            }
J
Jim Fehlig 已提交
808 809
            x_disk->format = LIBXL_DISK_FORMAT_RAW;
            x_disk->backend = LIBXL_DISK_BACKEND_PHY;
810
        } else {
811 812
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("libxenlight does not support disk driver %s"),
813
                           driver);
814 815 816
            return -1;
        }
    } else {
J
Jim Fehlig 已提交
817 818 819 820 821
        /*
         * If driverName is not specified, default to raw as per
         * xl-disk-configuration.txt in the xen documentation and let
         * libxl pick a suitable backend.
         */
J
Jim Fehlig 已提交
822
        x_disk->format = LIBXL_DISK_FORMAT_RAW;
J
Jim Fehlig 已提交
823
        x_disk->backend = LIBXL_DISK_BACKEND_UNKNOWN;
824 825
    }

J
Jim Fehlig 已提交
826 827
    /* XXX is this right? */
    x_disk->removable = 1;
828 829
    x_disk->readwrite = !l_disk->readonly;
    x_disk->is_cdrom = l_disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ? 1 : 0;
830
    if (l_disk->transient) {
831 832
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("libxenlight does not support transient disks"));
833 834
        return -1;
    }
835 836 837 838

    return 0;
}

J
Jim Fehlig 已提交
839 840 841 842 843 844
static int
libxlMakeDiskList(virDomainDefPtr def, libxl_domain_config *d_config)
{
    virDomainDiskDefPtr *l_disks = def->disks;
    int ndisks = def->ndisks;
    libxl_device_disk *x_disks;
845
    size_t i;
J
Jim Fehlig 已提交
846

847
    if (VIR_ALLOC_N(x_disks, ndisks) < 0)
J
Jim Fehlig 已提交
848 849 850
        return -1;

    for (i = 0; i < ndisks; i++) {
J
Jim Fehlig 已提交
851
        if (libxlMakeDisk(l_disks[i], &x_disks[i]) < 0)
J
Jim Fehlig 已提交
852 853 854 855 856 857 858 859
            goto error;
    }

    d_config->disks = x_disks;
    d_config->num_disks = ndisks;

    return 0;

860
 error:
J
Jim Fehlig 已提交
861
    for (i = 0; i < ndisks; i++)
J
Jim Fehlig 已提交
862
        libxl_device_disk_dispose(&x_disks[i]);
J
Jim Fehlig 已提交
863 864 865 866
    VIR_FREE(x_disks);
    return -1;
}

867
int
868 869 870
libxlMakeNic(virDomainDefPtr def,
             virDomainNetDefPtr l_nic,
             libxl_device_nic *x_nic)
871
{
872 873
    bool ioemu_nic = STREQ(def->os.type, "hvm");

J
Jim Fehlig 已提交
874 875 876 877
    /* TODO: Where is mtu stored?
     *
     * x_nics[i].mtu = 1492;
     */
878

879 880
    libxl_device_nic_init(x_nic);

881
    virMacAddrGetRaw(&l_nic->mac, x_nic->mac);
882

883
    if (ioemu_nic)
J
Jim Fehlig 已提交
884
        x_nic->nictype = LIBXL_NIC_TYPE_VIF_IOEMU;
885
    else
J
Jim Fehlig 已提交
886
        x_nic->nictype = LIBXL_NIC_TYPE_VIF;
887 888 889 890 891 892

    if (l_nic->model) {
        if (VIR_STRDUP(x_nic->model, l_nic->model) < 0)
            return -1;
        if (STREQ(l_nic->model, "netfront"))
            x_nic->nictype = LIBXL_NIC_TYPE_VIF;
893 894
    }

895
    if (VIR_STRDUP(x_nic->ifname, l_nic->ifname) < 0)
896 897
        return -1;

898 899 900 901 902 903 904 905 906 907 908 909 910
    switch (l_nic->type) {
        case VIR_DOMAIN_NET_TYPE_BRIDGE:
            if (VIR_STRDUP(x_nic->bridge, l_nic->data.bridge.brname) < 0)
                return -1;
            /* fallthrough */
        case VIR_DOMAIN_NET_TYPE_ETHERNET:
            if (VIR_STRDUP(x_nic->script, l_nic->script) < 0)
                return -1;
            break;
        default:
            virReportError(VIR_ERR_INTERNAL_ERROR,
                    _("libxenlight does not support network device type %s"),
                    virDomainNetTypeToString(l_nic->type));
911
            return -1;
912 913 914 915 916
    }

    return 0;
}

J
Jim Fehlig 已提交
917 918 919 920 921 922
static int
libxlMakeNicList(virDomainDefPtr def,  libxl_domain_config *d_config)
{
    virDomainNetDefPtr *l_nics = def->nets;
    int nnics = def->nnets;
    libxl_device_nic *x_nics;
923
    size_t i;
J
Jim Fehlig 已提交
924

925
    if (VIR_ALLOC_N(x_nics, nnics) < 0)
J
Jim Fehlig 已提交
926 927 928
        return -1;

    for (i = 0; i < nnics; i++) {
929
        if (libxlMakeNic(def, l_nics[i], &x_nics[i]))
J
Jim Fehlig 已提交
930
            goto error;
931 932 933 934 935 936 937
        /*
         * The devid (at least right now) will not get initialized by
         * libxl in the setup case but is required for starting the
         * device-model.
         */
        if (x_nics[i].devid < 0)
            x_nics[i].devid = i;
J
Jim Fehlig 已提交
938 939
    }

J
Jim Fehlig 已提交
940 941
    d_config->nics = x_nics;
    d_config->num_nics = nnics;
J
Jim Fehlig 已提交
942 943 944

    return 0;

945
 error:
J
Jim Fehlig 已提交
946
    for (i = 0; i < nnics; i++)
J
Jim Fehlig 已提交
947
        libxl_device_nic_dispose(&x_nics[i]);
J
Jim Fehlig 已提交
948 949 950 951
    VIR_FREE(x_nics);
    return -1;
}

952
int
J
Jim Fehlig 已提交
953 954 955
libxlMakeVfb(libxlDriverPrivatePtr driver,
             virDomainGraphicsDefPtr l_vfb,
             libxl_device_vfb *x_vfb)
956
{
957
    unsigned short port;
958
    const char *listenAddr;
959

960 961
    libxl_device_vfb_init(x_vfb);

962 963
    switch (l_vfb->type) {
        case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
J
Jim Fehlig 已提交
964
            libxl_defbool_set(&x_vfb->sdl.enable, 1);
965
            if (VIR_STRDUP(x_vfb->sdl.display, l_vfb->data.sdl.display) < 0)
966
                return -1;
967
            if (VIR_STRDUP(x_vfb->sdl.xauthority, l_vfb->data.sdl.xauth) < 0)
968 969 970
                return -1;
            break;
        case  VIR_DOMAIN_GRAPHICS_TYPE_VNC:
J
Jim Fehlig 已提交
971
            libxl_defbool_set(&x_vfb->vnc.enable, 1);
972
            /* driver handles selection of free port */
J
Jim Fehlig 已提交
973
            libxl_defbool_set(&x_vfb->vnc.findunused, 0);
974
            if (l_vfb->data.vnc.autoport) {
975 976 977

                if (virPortAllocatorAcquire(driver->reservedVNCPorts, &port) < 0)
                    return -1;
978 979
                l_vfb->data.vnc.port = port;
            }
J
Jim Fehlig 已提交
980
            x_vfb->vnc.display = l_vfb->data.vnc.port - LIBXL_VNC_PORT_MIN;
981

982 983
            listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
            if (listenAddr) {
984
                /* libxl_device_vfb_init() does VIR_STRDUP("127.0.0.1") */
J
Jim Fehlig 已提交
985
                VIR_FREE(x_vfb->vnc.listen);
986
                if (VIR_STRDUP(x_vfb->vnc.listen, listenAddr) < 0)
987 988
                    return -1;
            }
989
            if (VIR_STRDUP(x_vfb->keymap, l_vfb->data.vnc.keymap) < 0)
990 991 992
                return -1;
            break;
    }
J
Jim Fehlig 已提交
993

994 995 996
    return 0;
}

J
Jim Fehlig 已提交
997 998
static int
libxlMakeVfbList(libxlDriverPrivatePtr driver,
J
Jim Fehlig 已提交
999 1000
                 virDomainDefPtr def,
                 libxl_domain_config *d_config)
J
Jim Fehlig 已提交
1001 1002 1003 1004 1005
{
    virDomainGraphicsDefPtr *l_vfbs = def->graphics;
    int nvfbs = def->ngraphics;
    libxl_device_vfb *x_vfbs;
    libxl_device_vkb *x_vkbs;
1006
    size_t i;
J
Jim Fehlig 已提交
1007 1008 1009 1010

    if (nvfbs == 0)
        return 0;

1011
    if (VIR_ALLOC_N(x_vfbs, nvfbs) < 0)
J
Jim Fehlig 已提交
1012 1013 1014 1015 1016 1017 1018
        return -1;
    if (VIR_ALLOC_N(x_vkbs, nvfbs) < 0) {
        VIR_FREE(x_vfbs);
        return -1;
    }

    for (i = 0; i < nvfbs; i++) {
J
Jim Fehlig 已提交
1019
        libxl_device_vkb_init(&x_vkbs[i]);
J
Jim Fehlig 已提交
1020

J
Jim Fehlig 已提交
1021
        if (libxlMakeVfb(driver, l_vfbs[i], &x_vfbs[i]) < 0)
1022
            goto error;
J
Jim Fehlig 已提交
1023 1024 1025 1026 1027 1028
    }

    d_config->vfbs = x_vfbs;
    d_config->vkbs = x_vkbs;
    d_config->num_vfbs = d_config->num_vkbs = nvfbs;

1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042
    /*
     * VNC or SDL info must also be set in libxl_domain_build_info
     * for HVM domains.  Use the first vfb device.
     */
    if (STREQ(def->os.type, "hvm")) {
        libxl_domain_build_info *b_info = &d_config->b_info;
        libxl_device_vfb vfb = d_config->vfbs[0];

        if (libxl_defbool_val(vfb.vnc.enable))
            memcpy(&b_info->u.hvm.vnc, &vfb.vnc, sizeof(libxl_vnc_info));
        else if (libxl_defbool_val(vfb.sdl.enable))
            memcpy(&b_info->u.hvm.sdl, &vfb.sdl, sizeof(libxl_sdl_info));
    }

J
Jim Fehlig 已提交
1043 1044
    return 0;

1045
 error:
J
Jim Fehlig 已提交
1046
    for (i = 0; i < nvfbs; i++) {
J
Jim Fehlig 已提交
1047 1048
        libxl_device_vfb_dispose(&x_vfbs[i]);
        libxl_device_vkb_dispose(&x_vkbs[i]);
J
Jim Fehlig 已提交
1049 1050 1051 1052 1053 1054
    }
    VIR_FREE(x_vfbs);
    VIR_FREE(x_vkbs);
    return -1;
}

J
Jim Fehlig 已提交
1055 1056
static int
libxlGetAutoballoonConf(libxlDriverConfigPtr cfg, bool *autoballoon)
1057 1058
{
    regex_t regex;
J
Jim Fehlig 已提交
1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
    int res;

    if ((res = regcomp(&regex,
                      "(^| )dom0_mem=((|min:|max:)[0-9]+[bBkKmMgG]?,?)+($| )",
                       REG_NOSUB | REG_EXTENDED)) != 0) {
        char error[100];
        regerror(res, &regex, error, sizeof(error));
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Failed to compile regex %s"),
                       error);
1069

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Jim Fehlig 已提交
1070 1071
        return -1;
    }
1072

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1073
    res = regexec(&regex, cfg->verInfo->commandline, 0, NULL, 0);
1074
    regfree(&regex);
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1075 1076
    *autoballoon = res == REG_NOMATCH;
    return 0;
1077 1078
}

1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104
libxlDriverConfigPtr
libxlDriverConfigNew(void)
{
    libxlDriverConfigPtr cfg;
    char *log_file = NULL;
    char ebuf[1024];
    unsigned int free_mem;

    if (libxlConfigInitialize() < 0)
        return NULL;

    if (!(cfg = virObjectNew(libxlDriverConfigClass)))
        return NULL;

    if (VIR_STRDUP(cfg->configDir, LIBXL_CONFIG_DIR) < 0)
        goto error;
    if (VIR_STRDUP(cfg->autostartDir, LIBXL_AUTOSTART_DIR) < 0)
        goto error;
    if (VIR_STRDUP(cfg->logDir, LIBXL_LOG_DIR) < 0)
        goto error;
    if (VIR_STRDUP(cfg->stateDir, LIBXL_STATE_DIR) < 0)
        goto error;
    if (VIR_STRDUP(cfg->libDir, LIBXL_LIB_DIR) < 0)
        goto error;
    if (VIR_STRDUP(cfg->saveDir, LIBXL_SAVE_DIR) < 0)
        goto error;
1105 1106
    if (VIR_STRDUP(cfg->autoDumpDir, LIBXL_DUMP_DIR) < 0)
        goto error;
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147

    if (virAsprintf(&log_file, "%s/libxl-driver.log", cfg->logDir) < 0)
        goto error;

    if ((cfg->logger_file = fopen(log_file, "a")) == NULL)  {
        VIR_ERROR(_("Failed to create log file '%s': %s"),
                  log_file, virStrerror(errno, ebuf, sizeof(ebuf)));
        goto error;
    }
    VIR_FREE(log_file);

    cfg->logger =
        (xentoollog_logger *)xtl_createlogger_stdiostream(cfg->logger_file,
                                                          XTL_DEBUG, 0);
    if (!cfg->logger) {
        VIR_ERROR(_("cannot create logger for libxenlight, disabling driver"));
        goto error;
    }

    if (libxl_ctx_alloc(&cfg->ctx, LIBXL_VERSION, 0, cfg->logger)) {
        VIR_ERROR(_("cannot initialize libxenlight context, probably not "
                    "running in a Xen Dom0, disabling driver"));
        goto error;
    }

    if ((cfg->verInfo = libxl_get_version_info(cfg->ctx)) == NULL) {
        VIR_ERROR(_("cannot version information from libxenlight, "
                    "disabling driver"));
        goto error;
    }
    cfg->version = (cfg->verInfo->xen_version_major * 1000000) +
        (cfg->verInfo->xen_version_minor * 1000);

    /* This will fill xenstore info about free and dom0 memory if missing,
     * should be called before starting first domain */
    if (libxl_get_free_memory(cfg->ctx, &free_mem)) {
        VIR_ERROR(_("Unable to configure libxl's memory management parameters"));
        goto error;
    }

    /* setup autoballoon */
J
Jim Fehlig 已提交
1148 1149
    if (libxlGetAutoballoonConf(cfg, &cfg->autoballoon) < 0)
        goto error;
1150 1151 1152

    return cfg;

1153
 error:
1154 1155 1156 1157 1158 1159 1160 1161
    VIR_FREE(log_file);
    virObjectUnref(cfg);
    return NULL;
}

libxlDriverConfigPtr
libxlDriverConfigGet(libxlDriverPrivatePtr driver)
{
1162 1163 1164 1165 1166 1167
    libxlDriverConfigPtr cfg;

    libxlDriverLock(driver);
    cfg = virObjectRef(driver->config);
    libxlDriverUnlock(driver);
    return cfg;
1168 1169
}

1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
int
libxlMakePci(virDomainHostdevDefPtr hostdev, libxl_device_pci *pcidev)
{
    if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
        return -1;
    if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
        return -1;

    pcidev->domain = hostdev->source.subsys.u.pci.addr.domain;
    pcidev->bus = hostdev->source.subsys.u.pci.addr.bus;
    pcidev->dev = hostdev->source.subsys.u.pci.addr.slot;
    pcidev->func = hostdev->source.subsys.u.pci.addr.function;

    return 0;
}

static int
libxlMakePciList(virDomainDefPtr def, libxl_domain_config *d_config)
{
    virDomainHostdevDefPtr *l_hostdevs = def->hostdevs;
    size_t nhostdevs = def->nhostdevs;
    size_t npcidevs = 0;
    libxl_device_pci *x_pcidevs;
    size_t i, j;

    if (nhostdevs == 0)
        return 0;

    if (VIR_ALLOC_N(x_pcidevs, nhostdevs) < 0)
        return -1;

    for (i = 0, j = 0; i < nhostdevs; i++) {
        if (l_hostdevs[i]->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
            continue;
        if (l_hostdevs[i]->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
            continue;

        libxl_device_pci_init(&x_pcidevs[j]);

        if (libxlMakePci(l_hostdevs[i], &x_pcidevs[j]) < 0)
            goto error;

        npcidevs++;
        j++;
    }

    VIR_SHRINK_N(x_pcidevs, nhostdevs, nhostdevs - npcidevs);
    d_config->pcidevs = x_pcidevs;
    d_config->num_pcidevs = npcidevs;

    return 0;

1222
 error:
1223 1224 1225 1226 1227 1228 1229
    for (i = 0; i < npcidevs; i++)
        libxl_device_pci_dispose(&x_pcidevs[i]);

    VIR_FREE(x_pcidevs);
    return -1;
}

1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260
int
libxlDriverNodeGetInfo(libxlDriverPrivatePtr driver, virNodeInfoPtr info)
{
    libxl_physinfo phy_info;
    virArch hostarch = virArchFromHost();
    libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
    int ret = -1;

    if (libxl_get_physinfo(cfg->ctx, &phy_info)) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("libxl_get_physinfo_info failed"));
        goto cleanup;
    }

    if (virStrcpyStatic(info->model, virArchToString(hostarch)) == NULL) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("machine type %s too big for destination"),
                       virArchToString(hostarch));
        goto cleanup;
    }

    info->memory = phy_info.total_pages * (cfg->verInfo->pagesize / 1024);
    info->cpus = phy_info.nr_cpus;
    info->nodes = phy_info.nr_nodes;
    info->cores = phy_info.cores_per_socket;
    info->threads = phy_info.threads_per_core;
    info->sockets = 1;
    info->mhz = phy_info.cpu_khz / 1000;

    ret = 0;

1261
 cleanup:
1262 1263 1264 1265
    virObjectUnref(cfg);
    return ret;
}

J
Jim Fehlig 已提交
1266 1267 1268
virCapsPtr
libxlMakeCapabilities(libxl_ctx *ctx)
{
J
Jim Fehlig 已提交
1269
    virCapsPtr caps;
J
Jim Fehlig 已提交
1270

J
Jim Fehlig 已提交
1271
    if ((caps = virCapabilitiesNew(virArchFromHost(), 1, 1)) == NULL)
1272
        return NULL;
J
Jim Fehlig 已提交
1273

J
Jim Fehlig 已提交
1274 1275
    if (libxlCapsInitHost(ctx, caps) < 0)
        goto error;
J
Jim Fehlig 已提交
1276

1277 1278 1279
    if (libxlCapsInitNuma(ctx, caps) < 0)
        goto error;

J
Jim Fehlig 已提交
1280 1281 1282 1283
    if (libxlCapsInitGuests(ctx, caps) < 0)
        goto error;

    return caps;
J
Jim Fehlig 已提交
1284

1285
 error:
J
Jim Fehlig 已提交
1286 1287
    virObjectUnref(caps);
    return NULL;
J
Jim Fehlig 已提交
1288 1289 1290 1291
}

int
libxlBuildDomainConfig(libxlDriverPrivatePtr driver,
1292
                       virDomainObjPtr vm, libxl_domain_config *d_config)
J
Jim Fehlig 已提交
1293
{
1294
    virDomainDefPtr def = vm->def;
1295
    libxlDomainObjPrivatePtr priv = vm->privateData;
1296

1297
    libxl_domain_config_init(d_config);
J
Jim Fehlig 已提交
1298

1299
    if (libxlMakeDomCreateInfo(priv->ctx, def, &d_config->c_info) < 0)
J
Jim Fehlig 已提交
1300 1301
        return -1;

1302
    if (libxlMakeDomBuildInfo(vm, d_config) < 0)
1303
        return -1;
J
Jim Fehlig 已提交
1304

1305
    if (libxlMakeDiskList(def, d_config) < 0)
1306
        return -1;
J
Jim Fehlig 已提交
1307

1308
    if (libxlMakeNicList(def, d_config) < 0)
1309
        return -1;
J
Jim Fehlig 已提交
1310

1311
    if (libxlMakeVfbList(driver, def, d_config) < 0)
1312
        return -1;
J
Jim Fehlig 已提交
1313

1314 1315 1316
    if (libxlMakePciList(def, d_config) < 0)
        return -1;

J
Jim Fehlig 已提交
1317 1318 1319 1320 1321 1322
    d_config->on_reboot = def->onReboot;
    d_config->on_poweroff = def->onPoweroff;
    d_config->on_crash = def->onCrash;

    return 0;
}