static struct ppc_model *
ppcModelCopy(const struct ppc_model *model)
{
struct ppc_model *copy;
if (VIR_ALLOC(copy) < 0 ||
VIR_STRDUP(copy->name, model->name) < 0) {
ppcModelFree(copy);
return NULL;
}
copy->data.pvr = model->data.pvr;
copy->vendor = model->vendor;
return copy;
}
static void
ppcMapFree(struct ppc_map *map)
{
if (map == NULL)
return;
while (map->models != NULL) {
struct ppc_model *model = map->models;
map->models = model->next;
ppcModelFree(model);
}
while (map->vendors != NULL) {
struct ppc_vendor *vendor = map->vendors;
map->vendors = vendor->next;
ppcVendorFree(vendor);
}
VIR_FREE(map);
}
static struct ppc_model *
ppcModelFromCPU(const virCPUDef *cpu,
const struct ppc_map *map)
{
struct ppc_model *model = NULL;
if ((model = ppcModelFind(map, cpu->model)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unknown CPU model %s"), cpu->model);
goto error;
}
if ((model = ppcModelCopy(model)) == NULL)
goto error;
return model;
error:
ppcModelFree(model);
return NULL;
}
static int
ppcModelLoad(xmlXPathContextPtr ctxt,
struct ppc_map *map)
{
struct ppc_model *model;
char *vendor = NULL;
unsigned long pvr;
if (VIR_ALLOC(model) < 0) {
virReportOOMError();
return -1;
}
model->name = virXPathString("string(@name)", ctxt);
if (!model->name) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Missing CPU model name"));
goto ignore;
}
if (ppcModelFind(map, model->name)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("CPU model %s already defined"), model->name);
goto ignore;
}
if (virXPathBoolean("boolean(./vendor)", ctxt)) {
vendor = virXPathString("string(./vendor/@name)", ctxt);
if (!vendor) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid vendor element in CPU model %s"),
model->name);
goto ignore;
}
if (!(model->vendor = ppcVendorFind(map, vendor))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unknown vendor %s referenced by CPU model %s"),
vendor, model->name);
goto ignore;
}
}
if (!virXPathBoolean("boolean(./pvr)", ctxt) ||
virXPathULongHex("string(./pvr/@value)", ctxt, &pvr) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Missing or invalid PVR value in CPU model %s"),
model->name);
goto ignore;
}
model->data.pvr = pvr;
if (map->models == NULL) {
map->models = model;
} else {
model->next = map->models;
map->models = model;
}
cleanup:
VIR_FREE(vendor);
return 0;
ignore:
ppcModelFree(model);
goto cleanup;
}
static virCPUCompareResult
ppcCompute(virCPUDefPtr host,
const virCPUDef *cpu,
virCPUDataPtr *guestData,
char **message)
{
struct ppc_map *map = NULL;
struct ppc_model *host_model = NULL;
struct ppc_model *guest_model = NULL;
virCPUCompareResult ret = VIR_CPU_COMPARE_ERROR;
virArch arch;
size_t i;
if (cpu->arch != VIR_ARCH_NONE) {
bool found = false;
for (i = 0; i < ARRAY_CARDINALITY(archs); i++) {
if (archs[i] == cpu->arch) {
found = true;
break;
}
}
if (!found) {
VIR_DEBUG("CPU arch %s does not match host arch",
virArchToString(cpu->arch));
if (message &&
virAsprintf(message,
_("CPU arch %s does not match host arch"),
virArchToString(cpu->arch)) < 0)
goto cleanup;
ret = VIR_CPU_COMPARE_INCOMPATIBLE;
goto cleanup;
}
arch = cpu->arch;
} else {
arch = host->arch;
}
if (cpu->vendor &&
(!host->vendor || STRNEQ(cpu->vendor, host->vendor))) {
VIR_DEBUG("host CPU vendor does not match required CPU vendor %s",
cpu->vendor);
if (message &&
virAsprintf(message,
_("host CPU vendor does not match required "
"CPU vendor %s"),
cpu->vendor) < 0)
goto cleanup;
ret = VIR_CPU_COMPARE_INCOMPATIBLE;
goto cleanup;
}
if (!(map = ppcLoadMap()) ||
!(host_model = ppcModelFromCPU(host, map)) ||
!(guest_model = ppcModelFromCPU(cpu, map)))
goto cleanup;
if (guestData != NULL) {
if (cpu->type == VIR_CPU_TYPE_GUEST &&
cpu->match == VIR_CPU_MATCH_STRICT &&
STRNEQ(guest_model->name, host_model->name)) {
VIR_DEBUG("host CPU model does not match required CPU model %s",
guest_model->name);
if (message &&
virAsprintf(message,
_("host CPU model does not match required "
"CPU model %s"),
guest_model->name) < 0)
goto cleanup;
ret = VIR_CPU_COMPARE_INCOMPATIBLE;
goto cleanup;
}
if (!(*guestData = ppcMakeCPUData(arch, &guest_model->data)))
goto cleanup;
}
ret = VIR_CPU_COMPARE_IDENTICAL;
cleanup:
ppcMapFree(map);
ppcModelFree(host_model);
ppcModelFree(guest_model);
return ret;
}
