Esempio n. 1
0
int
virInterfaceLinkParseXML(xmlNodePtr node,
                         virInterfaceLinkPtr lnk)
{
    int ret = -1;
    char *stateStr, *speedStr;
    int state;

    stateStr = virXMLPropString(node, "state");
    speedStr = virXMLPropString(node, "speed");

    if (stateStr) {
        if ((state = virInterfaceStateTypeFromString(stateStr)) < 0) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("unknown link state: %s"),
                           stateStr);
            goto cleanup;
        }
        lnk->state = state;
    }

    if (speedStr &&
        virStrToLong_ui(speedStr, NULL, 10, &lnk->speed) < 0) {
        virReportError(VIR_ERR_XML_ERROR,
                       _("Unable to parse link speed: %s"),
                       speedStr);
        goto cleanup;
    }

    ret = 0;
 cleanup:
    VIR_FREE(stateStr);
    VIR_FREE(speedStr);
    return ret;
}
Esempio n. 2
0
static int
virDomainSnapshotDiskDefParseXML(xmlNodePtr node,
                                 virDomainSnapshotDiskDefPtr def)
{
    int ret = -1;
    char *snapshot = NULL;
    xmlNodePtr cur;

    def->name = virXMLPropString(node, "name");
    if (!def->name) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("missing name from disk snapshot element"));
        goto cleanup;
    }

    snapshot = virXMLPropString(node, "snapshot");
    if (snapshot) {
        def->snapshot = virDomainSnapshotLocationTypeFromString(snapshot);
        if (def->snapshot <= 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("unknown disk snapshot setting '%s'"),
                           snapshot);
            goto cleanup;
        }
    }

    cur = node->children;
    while (cur) {
        if (cur->type == XML_ELEMENT_NODE) {
            if (!def->file &&
                xmlStrEqual(cur->name, BAD_CAST "source")) {
                def->file = virXMLPropString(cur, "file");
            } else if (!def->format &&
                       xmlStrEqual(cur->name, BAD_CAST "driver")) {
                char *driver = virXMLPropString(cur, "type");
                def->format = virStorageFileFormatTypeFromString(driver);
                if (def->format <= 0) {
                    virReportError(VIR_ERR_INTERNAL_ERROR,
                                   _("unknown disk snapshot driver '%s'"),
                                   driver);
                    VIR_FREE(driver);
                    goto cleanup;
                }
                VIR_FREE(driver);
            }
        }
        cur = cur->next;
    }

    if (!def->snapshot && (def->file || def->format))
        def->snapshot = VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL;

    ret = 0;
cleanup:
    VIR_FREE(snapshot);
    if (ret < 0)
        virDomainSnapshotDiskDefClear(def);
    return ret;
}
Esempio n. 3
0
static int
virStorageEncryptionInfoParseIvgen(xmlNodePtr info_node,
                                   virStorageEncryptionInfoDefPtr info)
{
    if (!(info->ivgen_name = virXMLPropString(info_node, "name"))) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("missing ivgen info name string"));
        return -1;
    }

    info->ivgen_hash = virXMLPropString(info_node, "hash");

    return 0;
}
Esempio n. 4
0
static int
virStorageEncryptionInfoParseCipher(xmlNodePtr info_node,
                                    virStorageEncryptionInfoDefPtr info)
{
    int ret = -1;
    char *size_str = NULL;

    if (!(info->cipher_name = virXMLPropString(info_node, "name"))) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("cipher info missing 'name' attribute"));
        goto cleanup;
    }

    if ((size_str = virXMLPropString(info_node, "size")) &&
        virStrToLong_uip(size_str, NULL, 10, &info->cipher_size) < 0) {
        virReportError(VIR_ERR_XML_ERROR,
                       _("cannot parse cipher size: '%s'"),
                       size_str);
        goto cleanup;
    }

    if (!size_str) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("cipher info missing 'size' attribute"));
        goto cleanup;
    }

    info->cipher_mode = virXMLPropString(info_node, "mode");
    info->cipher_hash = virXMLPropString(info_node, "hash");

    ret = 0;

 cleanup:
    VIR_FREE(size_str);
    return ret;
}
Esempio n. 5
0
static qemuMigrationCookieNetworkPtr
qemuMigrationCookieNetworkXMLParse(xmlXPathContextPtr ctxt)
{
    qemuMigrationCookieNetworkPtr optr;
    size_t i;
    int n;
    xmlNodePtr *interfaces = NULL;
    char *vporttype;
    xmlNodePtr save_ctxt = ctxt->node;

    if (VIR_ALLOC(optr) < 0)
        goto error;

    if ((n = virXPathNodeSet("./network/interface", ctxt, &interfaces)) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("missing interface information"));
        goto error;
    }

    optr->nnets = n;
    if (VIR_ALLOC_N(optr->net, optr->nnets) < 0)
        goto error;

    for (i = 0; i < n; i++) {
        /* portdata is optional, and may not exist */
        ctxt->node = interfaces[i];
        optr->net[i].portdata = virXPathString("string(./portdata[1])", ctxt);

        if (!(vporttype = virXMLPropString(interfaces[i], "vporttype"))) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           "%s", _("missing vporttype attribute in migration data"));
            goto error;
        }
        optr->net[i].vporttype = virNetDevVPortTypeFromString(vporttype);
    }

    VIR_FREE(interfaces);

 cleanup:
    ctxt->node = save_ctxt;
    return optr;

 error:
    VIR_FREE(interfaces);
    qemuMigrationCookieNetworkFree(optr);
    optr = NULL;
    goto cleanup;
}
Esempio n. 6
0
static virQEMUCapsPtr
testQemuGetCaps(char *caps)
{
    virQEMUCapsPtr qemuCaps = NULL;
    xmlDocPtr xml;
    xmlXPathContextPtr ctxt = NULL;
    ssize_t i, n;
    xmlNodePtr *nodes = NULL;

    if (!(xml = virXMLParseStringCtxt(caps, "(test caps)", &ctxt)))
        goto error;

    if ((n = virXPathNodeSet("/qemuCaps/flag", ctxt, &nodes)) < 0) {
        fprintf(stderr, "failed to parse qemu capabilities flags");
        goto error;
    }

    if (n > 0) {
        if (!(qemuCaps = virQEMUCapsNew()))
            goto error;

        for (i = 0; i < n; i++) {
            char *str = virXMLPropString(nodes[i], "name");
            if (str) {
                int flag = virQEMUCapsTypeFromString(str);
                if (flag < 0) {
                    fprintf(stderr, "Unknown qemu capabilities flag %s", str);
                    VIR_FREE(str);
                    goto error;
                }
                VIR_FREE(str);
                virQEMUCapsSet(qemuCaps, flag);
            }
        }
    }

    VIR_FREE(nodes);
    xmlFreeDoc(xml);
    xmlXPathFreeContext(ctxt);
    return qemuCaps;

error:
    VIR_FREE(nodes);
    virObjectUnref(qemuCaps);
    xmlFreeDoc(xml);
    xmlXPathFreeContext(ctxt);
    return NULL;
}
Esempio n. 7
0
static virNodeDevCapsDefPtr
virNodeDevCapsDefParseXML(xmlXPathContextPtr ctxt,
                          virNodeDeviceDefPtr def,
                          xmlNodePtr node,
                          int create)
{
    virNodeDevCapsDefPtr caps;
    char *tmp;
    int val, ret;

    if (VIR_ALLOC(caps) < 0) {
        virReportOOMError();
        return NULL;
    }

    tmp = virXMLPropString(node, "type");
    if (!tmp) {
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 "%s", _("missing capability type"));
        goto error;
    }

    if ((val = virNodeDevCapTypeFromString(tmp)) < 0) {
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 _("unknown capability type '%s'"), tmp);
        VIR_FREE(tmp);
        goto error;
    }
    caps->type = val;
    VIR_FREE(tmp);

    switch (caps->type) {
    case VIR_NODE_DEV_CAP_SYSTEM:
        ret = virNodeDevCapSystemParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_PCI_DEV:
        ret = virNodeDevCapPciDevParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_USB_DEV:
        ret = virNodeDevCapUsbDevParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_USB_INTERFACE:
        ret = virNodeDevCapUsbInterfaceParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_NET:
        ret = virNodeDevCapNetParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_SCSI_HOST:
        ret = virNodeDevCapScsiHostParseXML(ctxt, def, node, &caps->data, create);
        break;
    case VIR_NODE_DEV_CAP_SCSI_TARGET:
        ret = virNodeDevCapScsiTargetParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_SCSI:
        ret = virNodeDevCapScsiParseXML(ctxt, def, node, &caps->data);
        break;
    case VIR_NODE_DEV_CAP_STORAGE:
        ret = virNodeDevCapStorageParseXML(ctxt, def, node, &caps->data);
        break;
    default:
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 _("unknown capability type '%d' for '%s'"),
                                 caps->type, def->name);
        ret = -1;
        break;
    }

    if (ret < 0)
        goto error;
    return caps;

error:
    virNodeDevCapsDefFree(caps);
    return NULL;
}
Esempio n. 8
0
static int
virDomainNumatuneNodeParseXML(virDomainNumaPtr numa,
                              xmlXPathContextPtr ctxt)
{
    char *tmp = NULL;
    int n = 0;
    int ret = -1;
    size_t i = 0;
    xmlNodePtr *nodes = NULL;

    if ((n = virXPathNodeSet("./numatune/memnode", ctxt, &nodes)) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Cannot extract memnode nodes"));
        goto cleanup;
    }

    if (!n)
        return 0;

    if (numa->memory.specified &&
        numa->memory.placement == VIR_DOMAIN_NUMATUNE_PLACEMENT_AUTO) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("Per-node binding is not compatible with "
                         "automatic NUMA placement."));
        goto cleanup;
    }

    if (!numa->nmem_nodes) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("Element 'memnode' is invalid without "
                         "any guest NUMA cells"));
        goto cleanup;
    }

    for (i = 0; i < n; i++) {
        int mode = 0;
        unsigned int cellid = 0;
        virDomainNumaNodePtr mem_node = NULL;
        xmlNodePtr cur_node = nodes[i];

        tmp = virXMLPropString(cur_node, "cellid");
        if (!tmp) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing required cellid attribute "
                             "in memnode element"));
            goto cleanup;
        }
        if (virStrToLong_uip(tmp, NULL, 10, &cellid) < 0) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Invalid cellid attribute in memnode element: %s"),
                           tmp);
            goto cleanup;
        }
        VIR_FREE(tmp);

        if (cellid >= numa->nmem_nodes) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Argument 'cellid' in memnode element must "
                             "correspond to existing guest's NUMA cell"));
            goto cleanup;
        }

        mem_node = &numa->mem_nodes[cellid];

        if (mem_node->nodeset) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Multiple memnode elements with cellid %u"),
                           cellid);
            goto cleanup;
        }

        tmp = virXMLPropString(cur_node, "mode");
        if (!tmp) {
            mem_node->mode = VIR_DOMAIN_NUMATUNE_MEM_STRICT;
        } else {
            if ((mode = virDomainNumatuneMemModeTypeFromString(tmp)) < 0) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("Invalid mode attribute in memnode element"));
                goto cleanup;
            }
            VIR_FREE(tmp);
            mem_node->mode = mode;
        }

        tmp = virXMLPropString(cur_node, "nodeset");
        if (!tmp) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing required nodeset attribute "
                             "in memnode element"));
            goto cleanup;
        }
        if (virBitmapParse(tmp, 0, &mem_node->nodeset,
                           VIR_DOMAIN_CPUMASK_LEN) < 0)
            goto cleanup;

        if (virBitmapIsAllClear(mem_node->nodeset)) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Invalid value of 'nodeset': %s"), tmp);
            goto cleanup;
        }
        VIR_FREE(tmp);
    }

    ret = 0;
 cleanup:
    VIR_FREE(nodes);
    VIR_FREE(tmp);
    return ret;
}
Esempio n. 9
0
int
virDomainNumaDefCPUParseXML(virDomainNumaPtr def,
                            xmlXPathContextPtr ctxt)
{
    xmlNodePtr *nodes = NULL;
    xmlNodePtr oldNode = ctxt->node;
    char *tmp = NULL;
    int n;
    size_t i;
    int ret = -1;

    /* check if NUMA definition is present */
    if (!virXPathNode("./cpu/numa[1]", ctxt))
        return 0;

    if ((n = virXPathNodeSet("./cpu/numa[1]/cell", ctxt, &nodes)) <= 0) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("NUMA topology defined without NUMA cells"));
        goto cleanup;
    }

    if (VIR_ALLOC_N(def->mem_nodes, n) < 0)
        goto cleanup;
    def->nmem_nodes = n;

    for (i = 0; i < n; i++) {
        size_t j;
        int rc;
        unsigned int cur_cell = i;

        /* cells are in order of parsing or explicitly numbered */
        if ((tmp = virXMLPropString(nodes[i], "id"))) {
            if (virStrToLong_uip(tmp, NULL, 10, &cur_cell) < 0) {
                virReportError(VIR_ERR_XML_ERROR,
                               _("Invalid 'id' attribute in NUMA cell: '%s'"),
                               tmp);
                goto cleanup;
            }

            if (cur_cell >= n) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("Exactly one 'cell' element per guest "
                                 "NUMA cell allowed, non-contiguous ranges or "
                                 "ranges not starting from 0 are not allowed"));
                goto cleanup;
            }
        }
        VIR_FREE(tmp);

        if (def->mem_nodes[cur_cell].cpumask) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Duplicate NUMA cell info for cell id '%u'"),
                           cur_cell);
            goto cleanup;
        }

        if (!(tmp = virXMLPropString(nodes[i], "cpus"))) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing 'cpus' attribute in NUMA cell"));
            goto cleanup;
        }

        if (virBitmapParse(tmp, 0, &def->mem_nodes[cur_cell].cpumask,
                           VIR_DOMAIN_CPUMASK_LEN) < 0)
            goto cleanup;

        if (virBitmapIsAllClear(def->mem_nodes[cur_cell].cpumask)) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                          _("NUMA cell %d has no vCPUs assigned"), cur_cell);
            goto cleanup;
        }
        VIR_FREE(tmp);

        for (j = 0; j < i; j++) {
            if (virBitmapOverlaps(def->mem_nodes[j].cpumask,
                                  def->mem_nodes[i].cpumask)) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                               _("NUMA cells %zu and %zu have overlapping vCPU ids"), i, j);
                goto cleanup;
            }
        }

        ctxt->node = nodes[i];
        if (virDomainParseMemory("./@memory", "./@unit", ctxt,
                                 &def->mem_nodes[cur_cell].mem, true, false) < 0)
            goto cleanup;

        if ((tmp = virXMLPropString(nodes[i], "memAccess"))) {
            if ((rc = virNumaMemAccessTypeFromString(tmp)) <= 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                               _("Invalid 'memAccess' attribute value '%s'"),
                               tmp);
                goto cleanup;
            }

            def->mem_nodes[cur_cell].memAccess = rc;
            VIR_FREE(tmp);
        }
    }

    ret = 0;

 cleanup:
    ctxt->node = oldNode;
    VIR_FREE(nodes);
    VIR_FREE(tmp);
    return ret;
}
Esempio n. 10
0
virCPUDefPtr
virCPUDefParseXML(const xmlNodePtr node,
                  xmlXPathContextPtr ctxt,
                  enum virCPUType mode)
{
    virCPUDefPtr def;
    xmlNodePtr *nodes = NULL;
    int n;
    unsigned int i;
    char *cpuMode;

    if (!xmlStrEqual(node->name, BAD_CAST "cpu")) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                          "%s",
                          _("XML does not contain expected 'cpu' element"));
        return NULL;
    }

    if (VIR_ALLOC(def) < 0) {
        virReportOOMError();
        return NULL;
    }

    if (mode == VIR_CPU_TYPE_AUTO) {
        if (virXPathBoolean("boolean(./arch)", ctxt)) {
            if (virXPathBoolean("boolean(./@match)", ctxt)) {
                virCPUReportError(VIR_ERR_XML_ERROR, "%s",
                        _("'arch' element element cannot be used inside 'cpu'"
                          " element with 'match' attribute'"));
                goto error;
            }
            def->type = VIR_CPU_TYPE_HOST;
        } else {
            def->type = VIR_CPU_TYPE_GUEST;
        }
    } else {
        def->type = mode;
    }

    if ((cpuMode = virXMLPropString(node, "mode"))) {
        if (def->type == VIR_CPU_TYPE_HOST) {
            VIR_FREE(cpuMode);
            virCPUReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                              _("Attribute mode is only allowed for guest CPU"));
            goto error;
        } else {
            def->mode = virCPUModeTypeFromString(cpuMode);

            if (def->mode < 0) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                                  _("Invalid mode attribute '%s'"),
                                  cpuMode);
                VIR_FREE(cpuMode);
                goto error;
            }
            VIR_FREE(cpuMode);
        }
    } else {
        if (def->type == VIR_CPU_TYPE_HOST)
            def->mode = -1;
        else
            def->mode = VIR_CPU_MODE_CUSTOM;
    }

    if (def->type == VIR_CPU_TYPE_GUEST) {
        char *match = virXMLPropString(node, "match");

        if (!match) {
            if (virXPathBoolean("boolean(./model)", ctxt))
                def->match = VIR_CPU_MATCH_EXACT;
            else
                def->match = -1;
        } else {
            def->match = virCPUMatchTypeFromString(match);
            VIR_FREE(match);

            if (def->match < 0) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        "%s", _("Invalid match attribute for CPU specification"));
                goto error;
            }
        }
    }

    if (def->type == VIR_CPU_TYPE_HOST) {
        def->arch = virXPathString("string(./arch[1])", ctxt);
        if (!def->arch) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing CPU architecture"));
            goto error;
        }
    }

    if (!(def->model = virXPathString("string(./model[1])", ctxt)) &&
        def->type == VIR_CPU_TYPE_HOST) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                "%s", _("Missing CPU model name"));
        goto error;
    }

    if (def->type == VIR_CPU_TYPE_GUEST &&
        def->mode != VIR_CPU_MODE_HOST_PASSTHROUGH &&
        virXPathBoolean("boolean(./model[1]/@fallback)", ctxt)) {
        const char *fallback;

        fallback = virXPathString("string(./model[1]/@fallback)", ctxt);
        if (fallback) {
            def->fallback = virCPUFallbackTypeFromString(fallback);
            VIR_FREE(fallback);
            if (def->fallback < 0) {
                virCPUReportError(VIR_ERR_XML_ERROR, "%s",
                                  _("Invalid fallback attribute"));
                goto error;
            }
        }
    }

    def->vendor = virXPathString("string(./vendor[1])", ctxt);
    if (def->vendor && !def->model) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                "%s", _("CPU vendor specified without CPU model"));
        goto error;
    }

    if (virXPathNode("./topology[1]", ctxt)) {
        int ret;
        unsigned long ul;

        ret = virXPathULong("string(./topology[1]/@sockets)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'sockets' attribute in CPU topology"));
            goto error;
        }
        def->sockets = (unsigned int) ul;

        ret = virXPathULong("string(./topology[1]/@cores)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'cores' attribute in CPU topology"));
            goto error;
        }
        def->cores = (unsigned int) ul;

        ret = virXPathULong("string(./topology[1]/@threads)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'threads' attribute in CPU topology"));
            goto error;
        }
        def->threads = (unsigned int) ul;

        if (!def->sockets || !def->cores || !def->threads) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Invalid CPU topology"));
            goto error;
        }
    }

    n = virXPathNodeSet("./feature", ctxt, &nodes);
    if (n < 0)
        goto error;

    if (n > 0) {
        if (!def->model) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Non-empty feature list specified without CPU model"));
            goto error;
        }

        if (VIR_RESIZE_N(def->features, def->nfeatures_max,
                         def->nfeatures, n) < 0)
            goto no_memory;
        def->nfeatures = n;
    }

    for (i = 0 ; i < n ; i++) {
        char *name;
        int policy; /* enum virDomainCPUFeaturePolicy */
        unsigned int j;

        if (def->type == VIR_CPU_TYPE_GUEST) {
            char *strpolicy;

            strpolicy = virXMLPropString(nodes[i], "policy");
            if (strpolicy == NULL)
                policy = VIR_CPU_FEATURE_REQUIRE;
            else
                policy = virCPUFeaturePolicyTypeFromString(strpolicy);
            VIR_FREE(strpolicy);

            if (policy < 0) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        "%s", _("Invalid CPU feature policy"));
                goto error;
            }
        } else {
            policy = -1;
        }

        if (!(name = virXMLPropString(nodes[i], "name")) || *name == 0) {
            VIR_FREE(name);
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Invalid CPU feature name"));
            goto error;
        }

        for (j = 0 ; j < i ; j++) {
            if (STREQ(name, def->features[j].name)) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        _("CPU feature `%s' specified more than once"),
                        name);
                VIR_FREE(name);
                goto error;
            }
        }

        def->features[i].name = name;
        def->features[i].policy = policy;
    }

    if (virXPathNode("./numa[1]", ctxt)) {
        VIR_FREE(nodes);
        n = virXPathNodeSet("./numa[1]/cell", ctxt, &nodes);
        if (n <= 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("NUMA topology defined without NUMA cells"));
            goto error;
        }

        if (VIR_RESIZE_N(def->cells, def->ncells_max,
                         def->ncells, n) < 0)
            goto no_memory;

        def->ncells = n;

        for (i = 0 ; i < n ; i++) {
            char *cpus, *memory;
            int cpumasklen = VIR_DOMAIN_CPUMASK_LEN;
            int ret, ncpus = 0;

            def->cells[i].cellid = i;
            cpus = virXMLPropString(nodes[i], "cpus");
            if (!cpus) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'cpus' attribute in NUMA cell"));
                goto error;
            }
            def->cells[i].cpustr = cpus;

            if (VIR_ALLOC_N(def->cells[i].cpumask, cpumasklen) < 0)
                goto no_memory;

            ncpus = virDomainCpuSetParse(cpus, 0, def->cells[i].cpumask,
                                         cpumasklen);
            if (ncpus <= 0)
                goto error;
            def->cells_cpus += ncpus;

            memory = virXMLPropString(nodes[i], "memory");
            if (!memory) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'memory' attribute in NUMA cell"));
                goto error;
            }

            ret  = virStrToLong_ui(memory, NULL, 10, &def->cells[i].mem);
            if (ret == -1) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Invalid 'memory' attribute in NUMA cell"));
                VIR_FREE(memory);
                goto error;
            }
            VIR_FREE(memory);
        }
    }

cleanup:
    VIR_FREE(nodes);
    return def;

no_memory:
    virReportOOMError();

error:
    virCPUDefFree(def);
    def = NULL;
    goto cleanup;
}
Esempio n. 11
0
virCPUDefPtr
virCPUDefParseXML(const xmlNodePtr node,
                  xmlXPathContextPtr ctxt,
                  enum virCPUType mode)
{
    virCPUDefPtr def;
    xmlNodePtr *nodes = NULL;
    int n;
    unsigned int i;

    if (!xmlStrEqual(node->name, BAD_CAST "cpu")) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                          "%s",
                          _("XML does not contain expected 'cpu' element"));
        return NULL;
    }

    if (VIR_ALLOC(def) < 0) {
        virReportOOMError();
        return NULL;
    }

    if (mode == VIR_CPU_TYPE_AUTO) {
        if (virXPathBoolean("boolean(./arch)", ctxt)) {
            if (virXPathBoolean("boolean(./@match)", ctxt)) {
                virCPUReportError(VIR_ERR_XML_ERROR, "%s",
                        _("'arch' element element cannot be used inside 'cpu'"
                          " element with 'match' attribute'"));
                goto error;
            }
            def->type = VIR_CPU_TYPE_HOST;
        } else
            def->type = VIR_CPU_TYPE_GUEST;
    } else
        def->type = mode;

    if (def->type == VIR_CPU_TYPE_GUEST) {
        char *match = virXMLPropString(node, "match");

        if (!match) {
            if (virXPathBoolean("boolean(./model)", ctxt))
                def->match = VIR_CPU_MATCH_EXACT;
            else
                def->match = -1;
        } else {
            def->match = virCPUMatchTypeFromString(match);
            VIR_FREE(match);

            if (def->match < 0) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        "%s", _("Invalid match attribute for CPU specification"));
                goto error;
            }
        }
    }

    if (def->type == VIR_CPU_TYPE_HOST) {
        def->arch = virXPathString("string(./arch[1])", ctxt);
        if (!def->arch) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing CPU architecture"));
            goto error;
        }
    }

    if (!(def->model = virXPathString("string(./model[1])", ctxt)) &&
        def->type == VIR_CPU_TYPE_HOST) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                "%s", _("Missing CPU model name"));
        goto error;
    }

    def->vendor = virXPathString("string(./vendor[1])", ctxt);
    if (def->vendor && !def->model) {
        virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                "%s", _("CPU vendor specified without CPU model"));
        goto error;
    }

    if (virXPathNode("./topology[1]", ctxt)) {
        int ret;
        unsigned long ul;

        ret = virXPathULong("string(./topology[1]/@sockets)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'sockets' attribute in CPU topology"));
            goto error;
        }
        def->sockets = (unsigned int) ul;

        ret = virXPathULong("string(./topology[1]/@cores)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'cores' attribute in CPU topology"));
            goto error;
        }
        def->cores = (unsigned int) ul;

        ret = virXPathULong("string(./topology[1]/@threads)",
                            ctxt, &ul);
        if (ret < 0) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Missing 'threads' attribute in CPU topology"));
            goto error;
        }
        def->threads = (unsigned int) ul;

        if (!def->sockets || !def->cores || !def->threads) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Invalid CPU topology"));
            goto error;
        }
    }

    n = virXPathNodeSet("./feature", ctxt, &nodes);
    if (n < 0)
        goto error;

    if (n > 0) {
        if (!def->model) {
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Non-empty feature list specified without CPU model"));
            goto error;
        }

        if (VIR_RESIZE_N(def->features, def->nfeatures_max,
                         def->nfeatures, n) < 0)
            goto no_memory;
        def->nfeatures = n;
    }

    for (i = 0 ; i < n ; i++) {
        char *name;
        int policy; /* enum virDomainCPUFeaturePolicy */
        unsigned int j;

        if (def->type == VIR_CPU_TYPE_GUEST) {
            char *strpolicy;

            strpolicy = virXMLPropString(nodes[i], "policy");
            if (strpolicy == NULL)
                policy = VIR_CPU_FEATURE_REQUIRE;
            else
                policy = virCPUFeaturePolicyTypeFromString(strpolicy);
            VIR_FREE(strpolicy);

            if (policy < 0) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        "%s", _("Invalid CPU feature policy"));
                goto error;
            }
        }
        else
            policy = -1;

        if (!(name = virXMLPropString(nodes[i], "name")) || *name == 0) {
            VIR_FREE(name);
            virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                    "%s", _("Invalid CPU feature name"));
            goto error;
        }

        for (j = 0 ; j < i ; j++) {
            if (STREQ(name, def->features[j].name)) {
                virCPUReportError(VIR_ERR_INTERNAL_ERROR,
                        _("CPU feature `%s' specified more than once"),
                        name);
                VIR_FREE(name);
                goto error;
            }
        }

        def->features[i].name = name;
        def->features[i].policy = policy;
    }

cleanup:
    VIR_FREE(nodes);

    return def;

no_memory:
    virReportOOMError();

error:
    virCPUDefFree(def);
    def = NULL;
    goto cleanup;
}
Esempio n. 12
0
int
virDomainNumatuneParseXML(virDomainNumatunePtr *numatunePtr,
                          bool placement_static,
                          size_t ncells,
                          xmlXPathContextPtr ctxt)
{
    char *tmp = NULL;
    int mode = -1;
    int n = 0;
    int placement = -1;
    int ret = -1;
    virBitmapPtr nodeset = NULL;
    xmlNodePtr node = NULL;

    if (virXPathInt("count(./numatune)", ctxt, &n) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("cannot extract numatune nodes"));
        goto cleanup;
    } else if (n > 1) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("only one numatune is supported"));
        goto cleanup;
    }

    node = virXPathNode("./numatune/memory[1]", ctxt);

    if (*numatunePtr) {
        virDomainNumatuneFree(*numatunePtr);
        *numatunePtr = NULL;
    }

    if (!node && placement_static) {
        if (virDomainNumatuneNodeParseXML(numatunePtr, ncells, ctxt) < 0)
            goto cleanup;
        return 0;
    }

    if (!node) {
        /* We know that placement_mode is "auto" if we're here */
        ret = virDomainNumatuneSet(numatunePtr,
                                   placement_static,
                                   VIR_DOMAIN_NUMATUNE_PLACEMENT_AUTO,
                                   -1,
                                   NULL);
        goto cleanup;
    }

    tmp = virXMLPropString(node, "mode");
    if (tmp) {
        mode = virDomainNumatuneMemModeTypeFromString(tmp);
        if (mode < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unsupported NUMA memory tuning mode '%s'"),
                           tmp);
            goto cleanup;
        }
    }
    VIR_FREE(tmp);

    tmp = virXMLPropString(node, "placement");
    if (tmp) {
        placement = virDomainNumatunePlacementTypeFromString(tmp);
        if (placement < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unsupported NUMA memory placement mode '%s'"),
                           tmp);
            goto cleanup;
        }
    }
    VIR_FREE(tmp);

    tmp = virXMLPropString(node, "nodeset");
    if (tmp && virBitmapParse(tmp, 0, &nodeset, VIR_DOMAIN_CPUMASK_LEN) < 0)
        goto cleanup;
    VIR_FREE(tmp);

    if (virDomainNumatuneSet(numatunePtr,
                             placement_static,
                             placement,
                             mode,
                             nodeset) < 0)
        goto cleanup;

    if (virDomainNumatuneNodeParseXML(numatunePtr, ncells, ctxt) < 0)
        goto cleanup;

    ret = 0;
 cleanup:
    virBitmapFree(nodeset);
    VIR_FREE(tmp);
    return ret;
}
virNetDevVPortProfilePtr
virNetDevVPortProfileParse(xmlNodePtr node, unsigned int flags)
{
    char *virtPortType;
    char *virtPortManagerID = NULL;
    char *virtPortTypeID = NULL;
    char *virtPortTypeIDVersion = NULL;
    char *virtPortInstanceID = NULL;
    char *virtPortProfileID = NULL;
    char *virtPortInterfaceID = NULL;
    virNetDevVPortProfilePtr virtPort = NULL;
    xmlNodePtr cur = node->children;

    if (VIR_ALLOC(virtPort) < 0)
        return NULL;

    if ((virtPortType = virXMLPropString(node, "type")) &&
        (virtPort->virtPortType = virNetDevVPortTypeFromString(virtPortType)) <= 0) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("unknown virtualport type %s"), virtPortType);
        goto error;
    }

    if ((virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE) &&
        (flags & VIR_VPORT_XML_REQUIRE_TYPE)) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("missing required virtualport type"));
        goto error;
    }

    while (cur != NULL) {
        if (xmlStrEqual(cur->name, BAD_CAST "parameters")) {
            virtPortManagerID = virXMLPropString(cur, "managerid");
            virtPortTypeID = virXMLPropString(cur, "typeid");
            virtPortTypeIDVersion = virXMLPropString(cur, "typeidversion");
            virtPortInstanceID = virXMLPropString(cur, "instanceid");
            virtPortProfileID = virXMLPropString(cur, "profileid");
            virtPortInterfaceID = virXMLPropString(cur, "interfaceid");
            break;
        }
        cur = cur->next;
    }

    if (virtPortManagerID) {
        unsigned int val;

        if (virStrToLong_ui(virtPortManagerID, NULL, 0, &val)) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("cannot parse value of managerid parameter"));
            goto error;
        }
        if (val > 0xff) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("value of managerid out of range"));
            goto error;
        }
        virtPort->managerID = (uint8_t)val;
        virtPort->managerID_specified = true;
    }

    if (virtPortTypeID) {
        unsigned int val;

        if (virStrToLong_ui(virtPortTypeID, NULL, 0, &val)) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("cannot parse value of typeid parameter"));
            goto error;
        }
        if (val > 0xffffff) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("value for typeid out of range"));
            goto error;
        }
        virtPort->typeID = (uint32_t)val;
        virtPort->typeID_specified = true;
    }

    if (virtPortTypeIDVersion) {
        unsigned int val;

        if (virStrToLong_ui(virtPortTypeIDVersion, NULL, 0, &val)) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("cannot parse value of typeidversion parameter"));
            goto error;
        }
        if (val > 0xff) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("value of typeidversion out of range"));
            goto error;
        }
        virtPort->typeIDVersion = (uint8_t)val;
        virtPort->typeIDVersion_specified = true;
    }

    if (virtPortInstanceID) {
        if (virUUIDParse(virtPortInstanceID, virtPort->instanceID) < 0) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("cannot parse instanceid parameter as a uuid"));
            goto error;
        }
        virtPort->instanceID_specified = true;
    }

    if (virtPortProfileID &&
        !virStrcpyStatic(virtPort->profileID, virtPortProfileID)) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("profileid parameter too long"));
        goto error;
    }

    if (virtPortInterfaceID) {
        if (virUUIDParse(virtPortInterfaceID, virtPort->interfaceID) < 0) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("cannot parse interfaceid parameter as a uuid"));
            goto error;
        }
        virtPort->interfaceID_specified = true;
    }

    /* generate default instanceID/interfaceID if appropriate */
    if (flags & VIR_VPORT_XML_GENERATE_MISSING_DEFAULTS) {
        if (!virtPort->instanceID_specified &&
            (virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_8021QBG ||
             virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE)) {
            if (virUUIDGenerate(virtPort->instanceID) < 0) {
                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                               _("cannot generate a random uuid for instanceid"));
                goto error;
            }
            virtPort->instanceID_specified = true;
        }
        if (!virtPort->interfaceID_specified &&
            (virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH ||
             virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE)) {
            if (virUUIDGenerate(virtPort->interfaceID) < 0) {
                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                               _("cannot generate a random uuid for interfaceid"));
                goto error;
            }
            virtPort->interfaceID_specified = true;
        }
    }

    /* check for required/unsupported attributes */

    if ((flags & VIR_VPORT_XML_REQUIRE_ALL_ATTRIBUTES) &&
        (virNetDevVPortProfileCheckComplete(virtPort, false) < 0)) {
        goto error;
    }

    if (virNetDevVPortProfileCheckNoExtras(virtPort) < 0)
        goto error;

cleanup:
    VIR_FREE(virtPortManagerID);
    VIR_FREE(virtPortTypeID);
    VIR_FREE(virtPortTypeIDVersion);
    VIR_FREE(virtPortInstanceID);
    VIR_FREE(virtPortProfileID);
    VIR_FREE(virtPortType);
    VIR_FREE(virtPortInterfaceID);

    return virtPort;

error:
    VIR_FREE(virtPort);
    goto cleanup;
}
Esempio n. 14
0
/*
 * Parses CPU definition XML from a node pointed to by @xpath. If @xpath is
 * NULL, the current node of @ctxt is used (i.e., it is a shortcut to ".").
 *
 * Missing <cpu> element in the XML document is not considered an error unless
 * @xpath is NULL in which case the function expects it was provided with a
 * valid <cpu> element already. In other words, the function returns success
 * and sets @cpu to NULL if @xpath is not NULL and the node pointed to by
 * @xpath is not found.
 *
 * Returns 0 on success, -1 on error.
 */
int
virCPUDefParseXML(xmlXPathContextPtr ctxt,
                  const char *xpath,
                  virCPUType type,
                  virCPUDefPtr *cpu)
{
    virCPUDefPtr def = NULL;
    xmlNodePtr *nodes = NULL;
    xmlNodePtr oldnode = ctxt->node;
    int n;
    size_t i;
    char *cpuMode;
    char *fallback = NULL;
    char *vendor_id = NULL;
    int ret = -1;

    *cpu = NULL;

    if (xpath && !(ctxt->node = virXPathNode(xpath, ctxt))) {
        ret = 0;
        goto cleanup;
    }

    if (!virXMLNodeNameEqual(ctxt->node, "cpu")) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("XML does not contain expected 'cpu' element"));
        goto cleanup;
    }

    if (VIR_ALLOC(def) < 0)
        goto cleanup;

    if (type == VIR_CPU_TYPE_AUTO) {
        if (virXPathBoolean("boolean(./arch)", ctxt)) {
            if (virXPathBoolean("boolean(./@match)", ctxt)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("'arch' element cannot be used inside 'cpu'"
                                 " element with 'match' attribute'"));
                goto cleanup;
            }
            def->type = VIR_CPU_TYPE_HOST;
        } else {
            def->type = VIR_CPU_TYPE_GUEST;
        }
    } else {
        def->type = type;
    }

    if ((cpuMode = virXMLPropString(ctxt->node, "mode"))) {
        if (def->type == VIR_CPU_TYPE_HOST) {
            VIR_FREE(cpuMode);
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                           _("Attribute mode is only allowed for guest CPU"));
            goto cleanup;
        } else {
            def->mode = virCPUModeTypeFromString(cpuMode);

            if (def->mode < 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                               _("Invalid mode attribute '%s'"),
                               cpuMode);
                VIR_FREE(cpuMode);
                goto cleanup;
            }
            VIR_FREE(cpuMode);
        }
    } else {
        if (def->type == VIR_CPU_TYPE_HOST)
            def->mode = -1;
        else
            def->mode = VIR_CPU_MODE_CUSTOM;
    }

    if (def->type == VIR_CPU_TYPE_GUEST) {
        char *match = virXMLPropString(ctxt->node, "match");
        char *check;

        if (!match) {
            if (virXPathBoolean("boolean(./model)", ctxt))
                def->match = VIR_CPU_MATCH_EXACT;
            else
                def->match = -1;
        } else {
            def->match = virCPUMatchTypeFromString(match);
            VIR_FREE(match);

            if (def->match < 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                               _("Invalid match attribute for CPU "
                                 "specification"));
                goto cleanup;
            }
        }

        if ((check = virXMLPropString(ctxt->node, "check"))) {
            int value = virCPUCheckTypeFromString(check);
            VIR_FREE(check);

            if (value < 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                               _("Invalid check attribute for CPU "
                                 "specification"));
                goto cleanup;
            }
            def->check = value;
        }
    }

    if (def->type == VIR_CPU_TYPE_HOST) {
        char *arch = virXPathString("string(./arch[1])", ctxt);
        if (!arch) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing CPU architecture"));
            goto cleanup;
        }
        if ((def->arch = virArchFromString(arch)) == VIR_ARCH_NONE) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unknown architecture %s"), arch);
            VIR_FREE(arch);
            goto cleanup;
        }
        VIR_FREE(arch);

        if (virXPathBoolean("boolean(./microcode[1]/@version)", ctxt) > 0 &&
            virXPathUInt("string(./microcode[1]/@version)", ctxt,
                         &def->microcodeVersion) < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                           _("invalid microcode version"));
            goto cleanup;
        }
    }

    if (!(def->model = virXPathString("string(./model[1])", ctxt)) &&
        def->type == VIR_CPU_TYPE_HOST) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                        _("Missing CPU model name"));
        goto cleanup;
    }

    if (def->type == VIR_CPU_TYPE_GUEST &&
        def->mode != VIR_CPU_MODE_HOST_PASSTHROUGH) {

        if ((fallback = virXPathString("string(./model[1]/@fallback)", ctxt))) {
            if ((def->fallback = virCPUFallbackTypeFromString(fallback)) < 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                               _("Invalid fallback attribute"));
                goto cleanup;
            }
        }

        if ((vendor_id = virXPathString("string(./model[1]/@vendor_id)",
                                        ctxt))) {
            if (strlen(vendor_id) != VIR_CPU_VENDOR_ID_LENGTH) {
                virReportError(VIR_ERR_XML_ERROR,
                               _("vendor_id must be exactly %d characters long"),
                               VIR_CPU_VENDOR_ID_LENGTH);
                goto cleanup;
            }

            /* ensure that the string can be passed to qemu*/
            if (strchr(vendor_id, ',')) {
                    virReportError(VIR_ERR_XML_ERROR, "%s",
                                   _("vendor id is invalid"));
                    goto cleanup;
            }

            def->vendor_id = vendor_id;
            vendor_id = NULL;
        }
    }

    def->vendor = virXPathString("string(./vendor[1])", ctxt);
    if (def->vendor && !def->model) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("CPU vendor specified without CPU model"));
        goto cleanup;
    }

    if (virXPathNode("./topology[1]", ctxt)) {
        unsigned long ul;

        if (virXPathULong("string(./topology[1]/@sockets)", ctxt, &ul) < 0) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing 'sockets' attribute in CPU topology"));
            goto cleanup;
        }
        def->sockets = (unsigned int) ul;

        if (virXPathULong("string(./topology[1]/@cores)", ctxt, &ul) < 0) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing 'cores' attribute in CPU topology"));
            goto cleanup;
        }
        def->cores = (unsigned int) ul;

        if (virXPathULong("string(./topology[1]/@threads)", ctxt, &ul) < 0) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Missing 'threads' attribute in CPU topology"));
            goto cleanup;
        }
        def->threads = (unsigned int) ul;

        if (!def->sockets || !def->cores || !def->threads) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Invalid CPU topology"));
            goto cleanup;
        }
    }

    if ((n = virXPathNodeSet("./feature", ctxt, &nodes)) < 0)
        goto cleanup;

    if (n > 0) {
        if (!def->model && def->mode == VIR_CPU_MODE_CUSTOM) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Non-empty feature list specified without "
                             "CPU model"));
            goto cleanup;
        }

        if (VIR_RESIZE_N(def->features, def->nfeatures_max,
                         def->nfeatures, n) < 0)
            goto cleanup;

        def->nfeatures = n;
    }

    for (i = 0; i < n; i++) {
        char *name;
        int policy; /* enum virDomainCPUFeaturePolicy */
        size_t j;

        if (def->type == VIR_CPU_TYPE_GUEST) {
            char *strpolicy;

            strpolicy = virXMLPropString(nodes[i], "policy");
            if (strpolicy == NULL)
                policy = VIR_CPU_FEATURE_REQUIRE;
            else
                policy = virCPUFeaturePolicyTypeFromString(strpolicy);
            VIR_FREE(strpolicy);

            if (policy < 0) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                               _("Invalid CPU feature policy"));
                goto cleanup;
            }
        } else {
            policy = -1;
        }

        if (!(name = virXMLPropString(nodes[i], "name")) || *name == 0) {
            VIR_FREE(name);
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("Invalid CPU feature name"));
            goto cleanup;
        }

        for (j = 0; j < i; j++) {
            if (STREQ(name, def->features[j].name)) {
                virReportError(VIR_ERR_XML_ERROR,
                               _("CPU feature '%s' specified more than once"),
                               name);
                VIR_FREE(name);
                goto cleanup;
            }
        }

        def->features[i].name = name;
        def->features[i].policy = policy;
    }

    if (virXPathInt("count(./cache)", ctxt, &n) < 0) {
        goto cleanup;
    } else if (n > 1) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("at most one CPU cache element may be specified"));
        goto cleanup;
    } else if (n == 1) {
        int level = -1;
        char *strmode;
        int mode;

        if (virXPathBoolean("boolean(./cache[1]/@level)", ctxt) == 1 &&
            (virXPathInt("string(./cache[1]/@level)", ctxt, &level) < 0 ||
             level < 1 || level > 3)) {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("invalid CPU cache level, must be in range [1,3]"));
            goto cleanup;
        }

        if (!(strmode = virXPathString("string(./cache[1]/@mode)", ctxt)) ||
            (mode = virCPUCacheModeTypeFromString(strmode)) < 0) {
            VIR_FREE(strmode);
            virReportError(VIR_ERR_XML_ERROR, "%s",
                           _("missing or invalid CPU cache mode"));
            goto cleanup;
        }
        VIR_FREE(strmode);

        if (VIR_ALLOC(def->cache) < 0)
            goto cleanup;

        def->cache->level = level;
        def->cache->mode = mode;
    }

    VIR_STEAL_PTR(*cpu, def);
    ret = 0;

 cleanup:
    ctxt->node = oldnode;
    VIR_FREE(fallback);
    VIR_FREE(vendor_id);
    VIR_FREE(nodes);
    virCPUDefFree(def);
    return ret;
}
Esempio n. 15
0
static int
virDomainNumaDefNodeDistanceParseXML(virDomainNumaPtr def,
                                     xmlXPathContextPtr ctxt,
                                     unsigned int cur_cell)
{
    int ret = -1;
    int sibling;
    char *tmp = NULL;
    xmlNodePtr *nodes = NULL;
    size_t i, ndistances = def->nmem_nodes;

    if (ndistances == 0)
        return 0;

    /* check if NUMA distances definition is present */
    if (!virXPathNode("./distances[1]", ctxt))
        return 0;

    if ((sibling = virXPathNodeSet("./distances[1]/sibling", ctxt, &nodes)) <= 0) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("NUMA distances defined without siblings"));
        goto cleanup;
    }

    for (i = 0; i < sibling; i++) {
        virDomainNumaDistancePtr ldist, rdist;
        unsigned int sibling_id, sibling_value;

        /* siblings are in order of parsing or explicitly numbered */
        if (!(tmp = virXMLPropString(nodes[i], "id"))) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Missing 'id' attribute in NUMA "
                             "distances under 'cell id %d'"),
                           cur_cell);
            goto cleanup;
        }

        /* The "id" needs to be applicable */
        if (virStrToLong_uip(tmp, NULL, 10, &sibling_id) < 0) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Invalid 'id' attribute in NUMA "
                             "distances for sibling: '%s'"),
                           tmp);
            goto cleanup;
        }
        VIR_FREE(tmp);

        /* The "id" needs to be within numa/cell range */
        if (sibling_id >= ndistances) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("'sibling_id %d' does not refer to a "
                             "valid cell within NUMA 'cell id %d'"),
                           sibling_id, cur_cell);
            goto cleanup;
        }

        /* We need a locality value. Check and correct
         * distance to local and distance to remote node.
         */
        if (!(tmp = virXMLPropString(nodes[i], "value"))) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Missing 'value' attribute in NUMA distances "
                             "under 'cell id %d' for 'sibling id %d'"),
                           cur_cell, sibling_id);
            goto cleanup;
        }

        /* The "value" needs to be applicable */
        if (virStrToLong_uip(tmp, NULL, 10, &sibling_value) < 0) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("'value %s' is invalid for "
                             "'sibling id %d' under NUMA 'cell id %d'"),
                           tmp, sibling_id, cur_cell);
            goto cleanup;
        }
        VIR_FREE(tmp);

        /* Assure LOCAL_DISTANCE <= "value" <= UNREACHABLE
         * and correct LOCAL_DISTANCE setting if such applies.
         */
        if ((sibling_value < LOCAL_DISTANCE ||
             sibling_value > UNREACHABLE) ||
            (sibling_id == cur_cell &&
             sibling_value != LOCAL_DISTANCE) ||
            (sibling_id != cur_cell &&
             sibling_value == LOCAL_DISTANCE)) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("'value %d' is invalid for "
                             "'sibling id %d' under NUMA 'cell id %d'"),
                           sibling_value, sibling_id, cur_cell);
            goto cleanup;
        }

        /* Apply the local / remote distance */
        ldist = def->mem_nodes[cur_cell].distances;
        if (!ldist) {
            if (VIR_ALLOC_N(ldist, ndistances) < 0)
                goto cleanup;

            ldist[cur_cell].value = LOCAL_DISTANCE;
            ldist[cur_cell].cellid = cur_cell;
            def->mem_nodes[cur_cell].ndistances = ndistances;
            def->mem_nodes[cur_cell].distances = ldist;
        }

        ldist[sibling_id].cellid = sibling_id;
        ldist[sibling_id].value = sibling_value;

        /* Apply symmetry if none given */
        rdist = def->mem_nodes[sibling_id].distances;
        if (!rdist) {
            if (VIR_ALLOC_N(rdist, ndistances) < 0)
                goto cleanup;

            rdist[sibling_id].value = LOCAL_DISTANCE;
            rdist[sibling_id].cellid = sibling_id;
            def->mem_nodes[sibling_id].ndistances = ndistances;
            def->mem_nodes[sibling_id].distances = rdist;
        }

        rdist[cur_cell].cellid = cur_cell;
        if (!rdist[cur_cell].value)
            rdist[cur_cell].value = sibling_value;
    }

    ret = 0;

 cleanup:
    if (ret < 0) {
        for (i = 0; i < ndistances; i++)
            VIR_FREE(def->mem_nodes[i].distances);
        def->mem_nodes[i].ndistances = 0;
    }
    VIR_FREE(nodes);
    VIR_FREE(tmp);

    return ret;
}
Esempio n. 16
0
static int
virNodeDevCapStorageParseXML(xmlXPathContextPtr ctxt,
                             virNodeDeviceDefPtr def,
                             xmlNodePtr node,
                             union _virNodeDevCapData *data)
{
    xmlNodePtr orignode, *nodes = NULL;
    int i, n, ret = -1;
    unsigned long long val;

    orignode = ctxt->node;
    ctxt->node = node;

    data->storage.block = virXPathString("string(./block[1])", ctxt);
    if (!data->storage.block) {
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 _("no block device path supplied for '%s'"),
                                 def->name);
        goto out;
    }

    data->storage.bus        = virXPathString("string(./bus[1])", ctxt);
    data->storage.drive_type = virXPathString("string(./drive_type[1])", ctxt);
    data->storage.model      = virXPathString("string(./model[1])", ctxt);
    data->storage.vendor     = virXPathString("string(./vendor[1])", ctxt);
    data->storage.serial     = virXPathString("string(./serial[1])", ctxt);

    if ((n = virXPathNodeSet("./capability", ctxt, &nodes)) < 0) {
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 _("error parsing storage capabilities for '%s'"),
                                 def->name);
        goto out;
    }

    for (i = 0 ; i < n ; i++) {
        char *type = virXMLPropString(nodes[i], "type");

        if (!type) {
            virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                     _("missing storage capability type for '%s'"),
                                     def->name);
            goto out;
        }

        if (STREQ(type, "hotpluggable"))
            data->storage.flags |= VIR_NODE_DEV_CAP_STORAGE_HOTPLUGGABLE;
        else if (STREQ(type, "removable")) {
            xmlNodePtr orignode2;

            data->storage.flags |= VIR_NODE_DEV_CAP_STORAGE_REMOVABLE;

            orignode2 = ctxt->node;
            ctxt->node = nodes[i];

            if (virXPathBoolean("count(./media_available[. = '1']) > 0", ctxt))
                data->storage.flags |= VIR_NODE_DEV_CAP_STORAGE_REMOVABLE_MEDIA_AVAILABLE;

            data->storage.media_label = virXPathString("string(./media_label[1])", ctxt);

            val = 0;
            if (virNodeDevCapsDefParseULongLong("number(./media_size[1])", ctxt, &val, def,
                                                _("no removable media size supplied for '%s'"),
                                                _("invalid removable media size supplied for '%s'")) < 0) {
                ctxt->node = orignode2;
                VIR_FREE(type);
                goto out;
            }
            data->storage.removable_media_size = val;

            ctxt->node = orignode2;
        } else {
            virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                     _("unknown storage capability type '%s' for '%s'"),
                                     type, def->name);
            VIR_FREE(type);
            goto out;
        }

        VIR_FREE(type);
    }

    if (!(data->storage.flags & VIR_NODE_DEV_CAP_STORAGE_REMOVABLE)) {
        val = 0;
        if (virNodeDevCapsDefParseULongLong("number(./size[1])", ctxt, &val, def,
                                            _("no size supplied for '%s'"),
                                            _("invalid size supplied for '%s'")) < 0)
            goto out;
        data->storage.size = val;
    }

    ret = 0;
out:
    VIR_FREE(nodes);
    ctxt->node = orignode;
    return ret;
}
Esempio n. 17
0
static int
virNodeDevCapScsiHostParseXML(xmlXPathContextPtr ctxt,
                              virNodeDeviceDefPtr def,
                              xmlNodePtr node,
                              union _virNodeDevCapData *data,
                              int create)
{
    xmlNodePtr orignode, *nodes = NULL;
    int ret = -1, n = 0, i;
    char *type = NULL;

    orignode = ctxt->node;
    ctxt->node = node;

    if (create == EXISTING_DEVICE &&
        virNodeDevCapsDefParseULong("number(./host[1])", ctxt,
                                    &data->scsi_host.host, def,
                                    _("no SCSI host ID supplied for '%s'"),
                                    _("invalid SCSI host ID supplied for '%s'")) < 0) {
        goto out;
    }

    if ((n = virXPathNodeSet("./capability", ctxt, &nodes)) < 0) {
        virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                 _("error parsing SCSI host capabilities for '%s'"),
                                 def->name);
        goto out;
    }

    for (i = 0 ; i < n ; i++) {
        type = virXMLPropString(nodes[i], "type");

        if (!type) {
            virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                     _("missing SCSI host capability type for '%s'"),
                                     def->name);
            goto out;
        }

        if (STREQ(type, "vport_ops")) {

            data->scsi_host.flags |= VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS;

        } else if (STREQ(type, "fc_host")) {

            xmlNodePtr orignode2;

            data->scsi_host.flags |= VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST;

            orignode2 = ctxt->node;
            ctxt->node = nodes[i];

            if (virNodeDevCapsDefParseString("string(./wwnn[1])",
                                             ctxt,
                                             &data->scsi_host.wwnn,
                                             def,
                                             _("no WWNN supplied for '%s'")) < 0) {
                goto out;
            }

            if (virNodeDevCapsDefParseString("string(./wwpn[1])",
                                             ctxt,
                                             &data->scsi_host.wwpn,
                                             def,
                                             _("no WWPN supplied for '%s'")) < 0) {
                goto out;
            }

            ctxt->node = orignode2;

        } else {
            virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
                                     _("unknown SCSI host capability type '%s' for '%s'"),
                                     type, def->name);
            goto out;
        }

        VIR_FREE(type);
    }

    ret = 0;

out:
    VIR_FREE(type);
    ctxt->node = orignode;
    VIR_FREE(nodes);
    return ret;
}
Esempio n. 18
0
static int
virDomainSnapshotDiskDefParseXML(xmlNodePtr node,
                                 xmlXPathContextPtr ctxt,
                                 virDomainSnapshotDiskDefPtr def)
{
    int ret = -1;
    char *snapshot = NULL;
    char *type = NULL;
    xmlNodePtr cur;

    if (VIR_ALLOC(def->src) < 0)
        goto cleanup;

    def->name = virXMLPropString(node, "name");
    if (!def->name) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("missing name from disk snapshot element"));
        goto cleanup;
    }

    snapshot = virXMLPropString(node, "snapshot");
    if (snapshot) {
        def->snapshot = virDomainSnapshotLocationTypeFromString(snapshot);
        if (def->snapshot <= 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("unknown disk snapshot setting '%s'"),
                           snapshot);
            goto cleanup;
        }
    }

    if ((type = virXMLPropString(node, "type"))) {
        if ((def->src->type = virStorageTypeFromString(type)) <= 0 ||
            def->src->type == VIR_STORAGE_TYPE_VOLUME ||
            def->src->type == VIR_STORAGE_TYPE_DIR) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("unknown disk snapshot type '%s'"), type);
            goto cleanup;
        }
    } else {
        def->src->type = VIR_STORAGE_TYPE_FILE;
    }

    for (cur = node->children; cur; cur = cur->next) {
        if (cur->type != XML_ELEMENT_NODE)
            continue;

        if (!def->src->path &&
            xmlStrEqual(cur->name, BAD_CAST "source")) {

            if (virDomainDiskSourceParse(cur, ctxt, def->src) < 0)
                goto cleanup;

        } else if (!def->src->format &&
                   xmlStrEqual(cur->name, BAD_CAST "driver")) {
            char *driver = virXMLPropString(cur, "type");
            if (driver) {
                def->src->format = virStorageFileFormatTypeFromString(driver);
                if (def->src->format < VIR_STORAGE_FILE_BACKING) {
                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                                   def->src->format <= 0
                                   ? _("unknown disk snapshot driver '%s'")
                                   : _("disk format '%s' lacks backing file "
                                       "support"),
                                   driver);
                    VIR_FREE(driver);
                    goto cleanup;
                }
                VIR_FREE(driver);
            }
        }
    }

    /* validate that the passed path is absolute */
    if (virStorageSourceIsLocalStorage(def->src) &&
        def->src->path &&
        def->src->path[0] != '/') {
        virReportError(VIR_ERR_XML_ERROR,
                       _("disk snapshot image path '%s' must be absolute"),
                       def->src->path);
        goto cleanup;
    }

    if (!def->snapshot && (def->src->path || def->src->format))
        def->snapshot = VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL;

    ret = 0;
 cleanup:
    VIR_FREE(snapshot);
    VIR_FREE(type);
    if (ret < 0)
        virDomainSnapshotDiskDefClear(def);
    return ret;
}
Esempio n. 19
0
static int
virNetDevBandwidthParseRate(xmlNodePtr node, virNetDevBandwidthRatePtr rate)
{
    int ret = -1;
    char *average = NULL;
    char *peak = NULL;
    char *burst = NULL;
    char *floor = NULL;

    if (!node || !rate) {
        virReportError(VIR_ERR_INVALID_ARG, "%s",
                       _("invalid argument supplied"));
        return -1;
    }

    average = virXMLPropString(node, "average");
    peak = virXMLPropString(node, "peak");
    burst = virXMLPropString(node, "burst");
    floor = virXMLPropString(node, "floor");

    if (average) {
        if (virStrToLong_ullp(average, NULL, 10, &rate->average) < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("could not convert bandwidth average value '%s'"),
                           average);
            goto cleanup;
        }
    } else if (!floor) {
        virReportError(VIR_ERR_XML_DETAIL, "%s",
                       _("Missing mandatory average or floor attributes"));
        goto cleanup;
    }

    if ((peak || burst) && !average) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("'peak' and 'burst' require 'average' attribute"));
        goto cleanup;
    }

    if (peak && virStrToLong_ullp(peak, NULL, 10, &rate->peak) < 0) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("could not convert bandwidth peak value '%s'"),
                       peak);
        goto cleanup;
    }

    if (burst && virStrToLong_ullp(burst, NULL, 10, &rate->burst) < 0) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("could not convert bandwidth burst value '%s'"),
                       burst);
        goto cleanup;
    }

    if (floor && virStrToLong_ullp(floor, NULL, 10, &rate->floor) < 0) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("could not convert bandwidth floor value '%s'"),
                       floor);
        goto cleanup;
    }

    ret = 0;

 cleanup:
    VIR_FREE(average);
    VIR_FREE(peak);
    VIR_FREE(burst);
    VIR_FREE(floor);

    return ret;
}
Esempio n. 20
0
static virInterfaceDefPtr
virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType) {
    virInterfaceDefPtr def;
    int type;
    char *tmp;
    xmlNodePtr cur = ctxt->node;

    /* check @type */
    tmp = virXPathString("string(./@type)", ctxt);
    if (tmp == NULL) {
        virInterfaceReportError(VIR_ERR_XML_ERROR,
                                "%s", _("interface misses the type attribute"));
        return NULL;
    }
    type = virInterfaceTypeFromString(tmp);
    if (type == -1) {
        virInterfaceReportError(VIR_ERR_XML_ERROR,
                                _("unknown interface type %s"), tmp);
        VIR_FREE(tmp);
        return NULL;
    }
    VIR_FREE(tmp);

    if (VIR_ALLOC(def) < 0) {
        virReportOOMError();
        return NULL;
    }

    if (((parentIfType == VIR_INTERFACE_TYPE_BOND)
         && (type != VIR_INTERFACE_TYPE_ETHERNET))
        || ((parentIfType == VIR_INTERFACE_TYPE_BRIDGE)
            && (type != VIR_INTERFACE_TYPE_ETHERNET)
            && (type != VIR_INTERFACE_TYPE_BOND)
            && (type != VIR_INTERFACE_TYPE_VLAN))
        || (parentIfType == VIR_INTERFACE_TYPE_ETHERNET)
        || (parentIfType == VIR_INTERFACE_TYPE_VLAN))
        {
        virInterfaceReportError(VIR_ERR_XML_ERROR,
                                _("interface has unsupported type '%s'"),
                                virInterfaceTypeToString(type));
        goto error;
    }
    def->type = type;
    switch (type) {
        case VIR_INTERFACE_TYPE_ETHERNET:
            if (virInterfaceDefParseName(def, ctxt) < 0)
                goto error;
            tmp = virXPathString("string(./mac/@address)", ctxt);
            if (tmp != NULL)
                def->mac = tmp;
            if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
                /* only recognize these in toplevel bond interfaces */
                if (virInterfaceDefParseStartMode(def, ctxt) < 0)
                    goto error;
                if (virInterfaceDefParseMtu(def, ctxt) < 0)
                    goto error;
                if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
                    goto error;
            }
            break;
        case VIR_INTERFACE_TYPE_BRIDGE: {
            xmlNodePtr bridge;

            if (virInterfaceDefParseName(def, ctxt) < 0)
                goto error;
            if (virInterfaceDefParseStartMode(def, ctxt) < 0)
                goto error;
            if (virInterfaceDefParseMtu(def, ctxt) < 0)
                goto error;
            if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
                goto error;

            bridge = virXPathNode("./bridge[1]", ctxt);
            if (bridge == NULL) {
                virInterfaceReportError(VIR_ERR_XML_ERROR,
                                        "%s", _("bridge interface misses the bridge element"));
                goto error;
            }
            tmp = virXMLPropString(bridge, "stp");
            def->data.bridge.stp = -1;
            if (tmp != NULL) {
                if (STREQ(tmp, "on")) {
                    def->data.bridge.stp = 1;
                } else if (STREQ(tmp, "off")) {
                    def->data.bridge.stp = 0;
                } else {
                    virInterfaceReportError(VIR_ERR_XML_ERROR,
                          _("bridge interface stp should be on or off got %s"),
                                            tmp);
                    VIR_FREE(tmp);
                    goto error;
                }
                VIR_FREE(tmp);
            }
            def->data.bridge.delay = virXMLPropString(bridge, "delay");
            ctxt->node = bridge;
            virInterfaceDefParseBridge(def, ctxt);
            break;
        }
        case VIR_INTERFACE_TYPE_BOND: {
            xmlNodePtr bond;

            if (virInterfaceDefParseName(def, ctxt) < 0)
                goto error;
            if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
                /* only recognize these in toplevel bond interfaces */
                if (virInterfaceDefParseStartMode(def, ctxt) < 0)
                    goto error;
                if (virInterfaceDefParseMtu(def, ctxt) < 0)
                    goto error;
                if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
                    goto error;
            }

            bond = virXPathNode("./bond[1]", ctxt);
            if (bond == NULL) {
                virInterfaceReportError(VIR_ERR_XML_ERROR,
                            "%s", _("bond interface misses the bond element"));
                goto error;
            }
            ctxt->node = bond;
            if (virInterfaceDefParseBond(def, ctxt)  < 0)
                goto error;
            break;
        }
        case VIR_INTERFACE_TYPE_VLAN: {
            xmlNodePtr vlan;

            tmp = virXPathString("string(./@name)", ctxt);
            if (tmp != NULL)
                def->name = tmp;
            if (virInterfaceDefParseStartMode(def, ctxt) < 0)
                goto error;
            if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
                goto error;
            vlan = virXPathNode("./vlan[1]", ctxt);
            if (vlan == NULL) {
                virInterfaceReportError(VIR_ERR_XML_ERROR,
                            "%s", _("vlan interface misses the vlan element"));
                goto error;
            }
            ctxt->node = vlan;
            if (virInterfaceDefParseVlan(def, ctxt)  < 0)
                goto error;
            break;
        }

    }

    ctxt->node = cur;
    return def;

error:
    ctxt->node = cur;
    virInterfaceDefFree(def);
    return NULL;
}
Esempio n. 21
0
int
virDevicePCIAddressParseXML(xmlNodePtr node,
                            virDevicePCIAddressPtr addr)
{
    char *domain, *slot, *bus, *function, *multi;
    int ret = -1;

    memset(addr, 0, sizeof(*addr));

    domain   = virXMLPropString(node, "domain");
    bus      = virXMLPropString(node, "bus");
    slot     = virXMLPropString(node, "slot");
    function = virXMLPropString(node, "function");
    multi    = virXMLPropString(node, "multifunction");

    if (domain &&
        virStrToLong_ui(domain, NULL, 0, &addr->domain) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Cannot parse <address> 'domain' attribute"));
        goto cleanup;
    }

    if (bus &&
        virStrToLong_ui(bus, NULL, 0, &addr->bus) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Cannot parse <address> 'bus' attribute"));
        goto cleanup;
    }

    if (slot &&
        virStrToLong_ui(slot, NULL, 0, &addr->slot) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Cannot parse <address> 'slot' attribute"));
        goto cleanup;
    }

    if (function &&
        virStrToLong_ui(function, NULL, 0, &addr->function) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Cannot parse <address> 'function' attribute"));
        goto cleanup;
    }

    if (multi &&
        ((addr->multi = virDeviceAddressPciMultiTypeFromString(multi)) <= 0)) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("Unknown value '%s' for <address> 'multifunction' attribute"),
                       multi);
        goto cleanup;

    }
    if (!virDevicePCIAddressIsValid(addr)) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Insufficient specification for PCI address"));
        goto cleanup;
    }

    ret = 0;

 cleanup:
    VIR_FREE(domain);
    VIR_FREE(bus);
    VIR_FREE(slot);
    VIR_FREE(function);
    VIR_FREE(multi);
    return ret;
}
Esempio n. 22
0
virNetDevVPortProfilePtr
virNetDevVPortProfileParse(xmlNodePtr node)
{
    char *virtPortType;
    char *virtPortManagerID = NULL;
    char *virtPortTypeID = NULL;
    char *virtPortTypeIDVersion = NULL;
    char *virtPortInstanceID = NULL;
    char *virtPortProfileID = NULL;
    char *virtPortInterfaceID = NULL;
    virNetDevVPortProfilePtr virtPort = NULL;
    xmlNodePtr cur = node->children;

    if (VIR_ALLOC(virtPort) < 0) {
        virReportOOMError();
        return NULL;
    }

    virtPortType = virXMLPropString(node, "type");
    if (!virtPortType) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("missing virtualportprofile type"));
        goto error;
    }

    if ((virtPort->virtPortType = virNetDevVPortTypeFromString(virtPortType)) <= 0) {
        virReportError(VIR_ERR_XML_ERROR,
                       _("unknown virtualportprofile type %s"), virtPortType);
        goto error;
    }

    while (cur != NULL) {
        if (xmlStrEqual(cur->name, BAD_CAST "parameters")) {

            virtPortManagerID = virXMLPropString(cur, "managerid");
            virtPortTypeID = virXMLPropString(cur, "typeid");
            virtPortTypeIDVersion = virXMLPropString(cur, "typeidversion");
            virtPortInstanceID = virXMLPropString(cur, "instanceid");
            virtPortProfileID = virXMLPropString(cur, "profileid");
            virtPortInterfaceID = virXMLPropString(cur, "interfaceid");
            break;
        }

        cur = cur->next;
    }

    switch (virtPort->virtPortType) {
    case VIR_NETDEV_VPORT_PROFILE_8021QBG:
        if (virtPortManagerID     != NULL && virtPortTypeID     != NULL &&
            virtPortTypeIDVersion != NULL) {
            unsigned int val;

            if (virStrToLong_ui(virtPortManagerID, NULL, 0, &val)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("cannot parse value of managerid parameter"));
                goto error;
            }

            if (val > 0xff) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("value of managerid out of range"));
                goto error;
            }

            virtPort->u.virtPort8021Qbg.managerID = (uint8_t)val;

            if (virStrToLong_ui(virtPortTypeID, NULL, 0, &val)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("cannot parse value of typeid parameter"));
                goto error;
            }

            if (val > 0xffffff) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("value for typeid out of range"));
                goto error;
            }

            virtPort->u.virtPort8021Qbg.typeID = (uint32_t)val;

            if (virStrToLong_ui(virtPortTypeIDVersion, NULL, 0, &val)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("cannot parse value of typeidversion parameter"));
                goto error;
            }

            if (val > 0xff) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("value of typeidversion out of range"));
                goto error;
            }

            virtPort->u.virtPort8021Qbg.typeIDVersion = (uint8_t)val;

            if (virtPortInstanceID != NULL) {
                if (virUUIDParse(virtPortInstanceID,
                                 virtPort->u.virtPort8021Qbg.instanceID)) {
                    virReportError(VIR_ERR_XML_ERROR, "%s",
                                         _("cannot parse instanceid parameter as a uuid"));
                    goto error;
                }
            } else {
                if (virUUIDGenerate(virtPort->u.virtPort8021Qbg.instanceID)) {
                    virReportError(VIR_ERR_XML_ERROR, "%s",
                                         _("cannot generate a random uuid for instanceid"));
                    goto error;
                }
            }

            virtPort->virtPortType = VIR_NETDEV_VPORT_PROFILE_8021QBG;

        } else {
                    virReportError(VIR_ERR_XML_ERROR, "%s",
                                         _("a parameter is missing for 802.1Qbg description"));
            goto error;
        }
        break;

    case VIR_NETDEV_VPORT_PROFILE_8021QBH:
        if (virtPortProfileID != NULL) {
            if (virStrcpyStatic(virtPort->u.virtPort8021Qbh.profileID,
                                virtPortProfileID) != NULL) {
                virtPort->virtPortType = VIR_NETDEV_VPORT_PROFILE_8021QBH;
            } else {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                                     _("profileid parameter too long"));
                goto error;
            }
        } else {
            virReportError(VIR_ERR_XML_ERROR, "%s",
                                 _("profileid parameter is missing for 802.1Qbh description"));
            goto error;
        }
        break;
    case VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH:
        if (virtPortInterfaceID != NULL) {
            if (virUUIDParse(virtPortInterfaceID,
                             virtPort->u.openvswitch.interfaceID)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("cannot parse interfaceid parameter as a uuid"));
                goto error;
            }
        } else {
            if (virUUIDGenerate(virtPort->u.openvswitch.interfaceID)) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("cannot generate a random uuid for interfaceid"));
                goto error;
            }
        }
        /* profileid is not mandatory for Open vSwitch */
        if (virtPortProfileID != NULL) {
            if (virStrcpyStatic(virtPort->u.openvswitch.profileID,
                                virtPortProfileID) == NULL) {
                virReportError(VIR_ERR_XML_ERROR, "%s",
                               _("profileid parameter too long"));
                goto error;
            }
        } else {
            virtPort->u.openvswitch.profileID[0] = '\0';
        }
        break;

    default:
        virReportError(VIR_ERR_XML_ERROR,
                       _("unexpected virtualport type %d"), virtPort->virtPortType);
        goto error;
    }

cleanup:
    VIR_FREE(virtPortManagerID);
    VIR_FREE(virtPortTypeID);
    VIR_FREE(virtPortTypeIDVersion);
    VIR_FREE(virtPortInstanceID);
    VIR_FREE(virtPortProfileID);
    VIR_FREE(virtPortType);

    return virtPort;

error:
    VIR_FREE(virtPort);
    goto cleanup;
}
Esempio n. 23
0
int
virDomainNumatuneParseXML(virDomainNumaPtr numa,
                          bool placement_static,
                          xmlXPathContextPtr ctxt)
{
    char *tmp = NULL;
    int mode = -1;
    int n = 0;
    int placement = -1;
    int ret = -1;
    virBitmapPtr nodeset = NULL;
    xmlNodePtr node = NULL;

    if (virXPathInt("count(./numatune)", ctxt, &n) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("cannot extract numatune nodes"));
        goto cleanup;
    } else if (n > 1) {
        virReportError(VIR_ERR_XML_ERROR, "%s",
                       _("only one numatune is supported"));
        goto cleanup;
    }

    node = virXPathNode("./numatune/memory[1]", ctxt);

    if (!placement_static && !node)
        placement = VIR_DOMAIN_NUMATUNE_PLACEMENT_AUTO;

    if (node) {
        if ((tmp = virXMLPropString(node, "mode")) &&
            (mode = virDomainNumatuneMemModeTypeFromString(tmp)) < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unsupported NUMA memory tuning mode '%s'"), tmp);
            goto cleanup;
        }
        VIR_FREE(tmp);

        if ((tmp = virXMLPropString(node, "placement")) &&
            (placement = virDomainNumatunePlacementTypeFromString(tmp)) < 0) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unsupported NUMA memory placement mode '%s'"), tmp);
            goto cleanup;
        }
        VIR_FREE(tmp);

        tmp = virXMLPropString(node, "nodeset");
        if (tmp) {
            if (virBitmapParse(tmp, 0, &nodeset, VIR_DOMAIN_CPUMASK_LEN) < 0)
                goto cleanup;

            if (virBitmapIsAllClear(nodeset)) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                               _("Invalid value of 'nodeset': %s"), tmp);
                goto cleanup;
            }

            VIR_FREE(tmp);
        }
    }

    if (virDomainNumatuneSet(numa,
                             placement_static,
                             placement,
                             mode,
                             nodeset) < 0)
        goto cleanup;

    if (virDomainNumatuneNodeParseXML(numa, ctxt) < 0)
        goto cleanup;

    ret = 0;
 cleanup:
    virBitmapFree(nodeset);
    VIR_FREE(tmp);
    return ret;
}
Esempio n. 24
0
static int
qemuMigrationCookieXMLParse(qemuMigrationCookiePtr mig,
                            virQEMUDriverPtr driver,
                            xmlDocPtr doc,
                            xmlXPathContextPtr ctxt,
                            unsigned int flags)
{
    char uuidstr[VIR_UUID_STRING_BUFLEN];
    char *tmp = NULL;
    xmlNodePtr *nodes = NULL;
    size_t i;
    int n;
    virCapsPtr caps = NULL;

    if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
        goto error;

    /* We don't store the uuid, name, hostname, or hostuuid
     * values. We just compare them to local data to do some
     * sanity checking on migration operation
     */

    /* Extract domain name */
    if (!(tmp = virXPathString("string(./name[1])", ctxt))) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("missing name element in migration data"));
        goto error;
    }
    if (STRNEQ(tmp, mig->name)) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Incoming cookie data had unexpected name %s vs %s"),
                       tmp, mig->name);
        goto error;
    }
    VIR_FREE(tmp);

    /* Extract domain uuid */
    tmp = virXPathString("string(./uuid[1])", ctxt);
    if (!tmp) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("missing uuid element in migration data"));
        goto error;
    }
    virUUIDFormat(mig->uuid, uuidstr);
    if (STRNEQ(tmp, uuidstr)) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Incoming cookie data had unexpected UUID %s vs %s"),
                       tmp, uuidstr);
        goto error;
    }
    VIR_FREE(tmp);

    /* Check & forbid "localhost" migration */
    if (!(mig->remoteHostname = virXPathString("string(./hostname[1])", ctxt))) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("missing hostname element in migration data"));
        goto error;
    }
    if (STREQ(mig->remoteHostname, mig->localHostname)) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Attempt to migrate guest to the same host %s"),
                       mig->remoteHostname);
        goto error;
    }

    if (!(tmp = virXPathString("string(./hostuuid[1])", ctxt))) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("missing hostuuid element in migration data"));
        goto error;
    }
    if (virUUIDParse(tmp, mig->remoteHostuuid) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("malformed hostuuid element in migration data"));
        goto error;
    }
    if (memcmp(mig->remoteHostuuid, mig->localHostuuid, VIR_UUID_BUFLEN) == 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Attempt to migrate guest to the same host %s"),
                       tmp);
        goto error;
    }
    VIR_FREE(tmp);

    /* Check to ensure all mandatory features from XML are also
     * present in 'flags' */
    if ((n = virXPathNodeSet("./feature", ctxt, &nodes)) < 0)
        goto error;

    for (i = 0; i < n; i++) {
        int val;
        char *str = virXMLPropString(nodes[i], "name");
        if (!str) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           "%s", _("missing feature name"));
            goto error;
        }

        if ((val = qemuMigrationCookieFlagTypeFromString(str)) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Unknown migration cookie feature %s"),
                           str);
            VIR_FREE(str);
            goto error;
        }

        if ((flags & (1 << val)) == 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Unsupported migration cookie feature %s"),
                           str);
            VIR_FREE(str);
            goto error;
        }
        VIR_FREE(str);
    }
    VIR_FREE(nodes);

    if ((flags & QEMU_MIGRATION_COOKIE_GRAPHICS) &&
        virXPathBoolean("count(./graphics) > 0", ctxt) &&
        (!(mig->graphics = qemuMigrationCookieGraphicsXMLParse(ctxt))))
        goto error;

    if ((flags & QEMU_MIGRATION_COOKIE_LOCKSTATE) &&
        virXPathBoolean("count(./lockstate) > 0", ctxt)) {
        mig->lockDriver = virXPathString("string(./lockstate[1]/@driver)", ctxt);
        if (!mig->lockDriver) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Missing lock driver name in migration cookie"));
            goto error;
        }
        mig->lockState = virXPathString("string(./lockstate[1]/leases[1])", ctxt);
        if (mig->lockState && STREQ(mig->lockState, ""))
            VIR_FREE(mig->lockState);
    }

    if ((flags & QEMU_MIGRATION_COOKIE_PERSISTENT) &&
        virXPathBoolean("count(./domain) > 0", ctxt)) {
        if ((n = virXPathNodeSet("./domain", ctxt, &nodes)) > 1) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Too many domain elements in "
                             "migration cookie: %d"),
                           n);
            goto error;
        }
        mig->persistent = virDomainDefParseNode(doc, nodes[0],
                                                caps, driver->xmlopt, NULL,
                                                VIR_DOMAIN_DEF_PARSE_INACTIVE |
                                                VIR_DOMAIN_DEF_PARSE_ABI_UPDATE_MIGRATION |
                                                VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE);
        if (!mig->persistent) {
            /* virDomainDefParseNode already reported
             * an error for us */
            goto error;
        }
        VIR_FREE(nodes);
    }

    if ((flags & QEMU_MIGRATION_COOKIE_NETWORK) &&
        virXPathBoolean("count(./network) > 0", ctxt) &&
        (!(mig->network = qemuMigrationCookieNetworkXMLParse(ctxt))))
        goto error;

    if (flags & QEMU_MIGRATION_COOKIE_NBD &&
        virXPathBoolean("boolean(./nbd)", ctxt) &&
        (!(mig->nbd = qemuMigrationCookieNBDXMLParse(ctxt))))
        goto error;

    if (flags & QEMU_MIGRATION_COOKIE_STATS &&
        virXPathBoolean("boolean(./statistics)", ctxt) &&
        (!(mig->jobInfo = qemuMigrationCookieStatisticsXMLParse(ctxt))))
        goto error;

    if (flags & QEMU_MIGRATION_COOKIE_CPU &&
        virCPUDefParseXML(ctxt, "./cpu[1]", VIR_CPU_TYPE_GUEST, &mig->cpu) < 0)
        goto error;

    if (flags & QEMU_MIGRATION_COOKIE_ALLOW_REBOOT &&
        qemuDomainObjPrivateXMLParseAllowReboot(ctxt, &mig->allowReboot) < 0)
        goto error;

    virObjectUnref(caps);
    return 0;

 error:
    VIR_FREE(tmp);
    VIR_FREE(nodes);
    virObjectUnref(caps);
    return -1;
}