static int get_sriov_function(const char *device_link,
struct pci_config_address **bdf)
{
char *config_address = NULL;
char *device_path = NULL;
char errbuf[64];
int ret = SRIOV_ERROR;
VIR_DEBUG("Attempting to resolve device path from device link '%s'",
device_link);
if (!virFileExists(device_link)) {
VIR_DEBUG("SR IOV function link '%s' does not exist", device_link);
/* Not an SR IOV device, not an error, either. */
ret = SRIOV_NOT_FOUND;
goto out;
}
device_path = canonicalize_file_name (device_link);
if (device_path == NULL) {
memset(errbuf, '\0', sizeof(errbuf));
VIR_ERROR(_("Failed to resolve device link '%s': '%s'"), device_link,
virStrerror(errno, errbuf, sizeof(errbuf)));
goto out;
}
VIR_DEBUG("SR IOV device path is '%s'", device_path);
config_address = basename(device_path);
if (VIR_ALLOC(*bdf) != 0) {
VIR_ERROR0(_("Failed to allocate memory for PCI device name"));
goto out;
}
if (parse_pci_config_address(config_address, *bdf) != 0) {
VIR_ERROR(_("Failed to parse PCI config address '%s'"), config_address);
goto out;
}
VIR_DEBUG("SR IOV function %.4x:%.2x:%.2x.%.1x",
(*bdf)->domain,
(*bdf)->bus,
(*bdf)->slot,
(*bdf)->function);
ret = SRIOV_FOUND;
out:
VIR_FREE(device_path);
return ret;
}
int qemudLoadDriverConfig(struct qemud_driver *driver,
const char *filename) {
virConfPtr conf;
virConfValuePtr p;
char *user;
char *group;
int i;
/* Setup critical defaults */
driver->dynamicOwnership = 1;
driver->clearEmulatorCapabilities = 1;
if (!(driver->vncListen = strdup("127.0.0.1"))) {
virReportOOMError();
return -1;
}
if (!(driver->vncTLSx509certdir = strdup(SYSCONFDIR "/pki/libvirt-vnc"))) {
virReportOOMError();
return -1;
}
if (!(driver->spiceListen = strdup("127.0.0.1"))) {
virReportOOMError();
return -1;
}
if (!(driver->spiceTLSx509certdir
= strdup(SYSCONFDIR "/pki/libvirt-spice"))) {
virReportOOMError();
return -1;
}
#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
/* For privileged driver, try and find hugepage mount automatically.
* Non-privileged driver requires admin to create a dir for the
* user, chown it, and then let user configure it manually */
if (driver->privileged &&
!(driver->hugetlbfs_mount = virFileFindMountPoint("hugetlbfs"))) {
if (errno != ENOENT) {
virReportSystemError(errno, "%s",
_("unable to find hugetlbfs mountpoint"));
return -1;
}
}
#endif
/* Just check the file is readable before opening it, otherwise
* libvirt emits an error.
*/
if (access (filename, R_OK) == -1) {
VIR_INFO("Could not read qemu config file %s", filename);
return 0;
}
conf = virConfReadFile (filename, 0);
if (!conf) {
return -1;
}
#define CHECK_TYPE(name,typ) if (p && p->type != (typ)) { \
qemuReportError(VIR_ERR_INTERNAL_ERROR, \
"%s: %s: expected type " #typ, \
filename, (name)); \
virConfFree(conf); \
return -1; \
}
p = virConfGetValue (conf, "vnc_auto_unix_socket");
CHECK_TYPE ("vnc_auto_unix_socket", VIR_CONF_LONG);
if (p) driver->vncAutoUnixSocket = p->l;
p = virConfGetValue (conf, "vnc_tls");
CHECK_TYPE ("vnc_tls", VIR_CONF_LONG);
if (p) driver->vncTLS = p->l;
p = virConfGetValue (conf, "vnc_tls_x509_verify");
CHECK_TYPE ("vnc_tls_x509_verify", VIR_CONF_LONG);
if (p) driver->vncTLSx509verify = p->l;
p = virConfGetValue (conf, "vnc_tls_x509_cert_dir");
CHECK_TYPE ("vnc_tls_x509_cert_dir", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->vncTLSx509certdir);
if (!(driver->vncTLSx509certdir = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "vnc_listen");
CHECK_TYPE ("vnc_listen", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->vncListen);
if (!(driver->vncListen = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "vnc_password");
CHECK_TYPE ("vnc_password", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->vncPassword);
if (!(driver->vncPassword = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "security_driver");
CHECK_TYPE ("security_driver", VIR_CONF_STRING);
if (p && p->str) {
if (!(driver->securityDriverName = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "vnc_sasl");
CHECK_TYPE ("vnc_sasl", VIR_CONF_LONG);
if (p) driver->vncSASL = p->l;
p = virConfGetValue (conf, "vnc_sasl_dir");
CHECK_TYPE ("vnc_sasl_dir", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->vncSASLdir);
if (!(driver->vncSASLdir = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "spice_tls");
CHECK_TYPE ("spice_tls", VIR_CONF_LONG);
if (p) driver->spiceTLS = p->l;
p = virConfGetValue (conf, "spice_tls_x509_cert_dir");
CHECK_TYPE ("spice_tls_x509_cert_dir", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->spiceTLSx509certdir);
if (!(driver->spiceTLSx509certdir = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "spice_listen");
CHECK_TYPE ("spice_listen", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->spiceListen);
if (!(driver->spiceListen = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "spice_password");
CHECK_TYPE ("spice_password", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->spicePassword);
if (!(driver->spicePassword = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "user");
CHECK_TYPE ("user", VIR_CONF_STRING);
if (!(user = strdup(p && p->str ? p->str : QEMU_USER))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
if (virGetUserID(user, &driver->user) < 0) {
VIR_FREE(user);
virConfFree(conf);
return -1;
}
VIR_FREE(user);
p = virConfGetValue (conf, "group");
CHECK_TYPE ("group", VIR_CONF_STRING);
if (!(group = strdup(p && p->str ? p->str : QEMU_GROUP))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
if (virGetGroupID(group, &driver->group) < 0) {
VIR_FREE(group);
virConfFree(conf);
return -1;
}
VIR_FREE(group);
p = virConfGetValue (conf, "dynamic_ownership");
CHECK_TYPE ("dynamic_ownership", VIR_CONF_LONG);
if (p) driver->dynamicOwnership = p->l;
p = virConfGetValue (conf, "cgroup_controllers");
CHECK_TYPE ("cgroup_controllers", VIR_CONF_LIST);
if (p) {
virConfValuePtr pp;
for (i = 0, pp = p->list; pp; ++i, pp = pp->next) {
int ctl;
if (pp->type != VIR_CONF_STRING) {
VIR_ERROR0(_("cgroup_controllers must be a list of strings"));
virConfFree(conf);
return -1;
}
ctl = virCgroupControllerTypeFromString(pp->str);
if (ctl < 0) {
VIR_ERROR(_("Unknown cgroup controller '%s'"), pp->str);
virConfFree(conf);
return -1;
}
driver->cgroupControllers |= (1 << ctl);
}
} else {
driver->cgroupControllers =
(1 << VIR_CGROUP_CONTROLLER_CPU) |
(1 << VIR_CGROUP_CONTROLLER_DEVICES) |
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
(1 << VIR_CGROUP_CONTROLLER_BLKIO);
}
for (i = 0 ; i < VIR_CGROUP_CONTROLLER_LAST ; i++) {
if (driver->cgroupControllers & (1 << i)) {
VIR_INFO("Configured cgroup controller '%s'",
virCgroupControllerTypeToString(i));
}
}
p = virConfGetValue (conf, "cgroup_device_acl");
CHECK_TYPE ("cgroup_device_acl", VIR_CONF_LIST);
if (p) {
int len = 0;
virConfValuePtr pp;
for (pp = p->list; pp; pp = pp->next)
len++;
if (VIR_ALLOC_N(driver->cgroupDeviceACL, 1+len) < 0) {
virReportOOMError();
virConfFree(conf);
return -1;
}
for (i = 0, pp = p->list; pp; ++i, pp = pp->next) {
if (pp->type != VIR_CONF_STRING) {
VIR_ERROR0(_("cgroup_device_acl must be a list of strings"));
virConfFree(conf);
return -1;
}
driver->cgroupDeviceACL[i] = strdup (pp->str);
if (driver->cgroupDeviceACL[i] == NULL) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
driver->cgroupDeviceACL[i] = NULL;
}
p = virConfGetValue (conf, "save_image_format");
CHECK_TYPE ("save_image_format", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->saveImageFormat);
if (!(driver->saveImageFormat = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "dump_image_format");
CHECK_TYPE ("dump_image_format", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->dumpImageFormat);
if (!(driver->dumpImageFormat = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "auto_dump_path");
CHECK_TYPE ("auto_dump_path", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->autoDumpPath);
if (!(driver->autoDumpPath = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "hugetlbfs_mount");
CHECK_TYPE ("hugetlbfs_mount", VIR_CONF_STRING);
if (p && p->str) {
VIR_FREE(driver->hugetlbfs_mount);
if (!(driver->hugetlbfs_mount = strdup(p->str))) {
virReportOOMError();
virConfFree(conf);
return -1;
}
}
p = virConfGetValue (conf, "mac_filter");
CHECK_TYPE ("mac_filter", VIR_CONF_LONG);
if (p && p->l) {
driver->macFilter = p->l;
if (!(driver->ebtables = ebtablesContextNew("qemu"))) {
driver->macFilter = 0;
virReportSystemError(errno,
_("failed to enable mac filter in '%s'"),
__FILE__);
}
if ((errno = networkDisableAllFrames(driver))) {
virReportSystemError(errno,
_("failed to add rule to drop all frames in '%s'"),
__FILE__);
}
}
p = virConfGetValue (conf, "relaxed_acs_check");
CHECK_TYPE ("relaxed_acs_check", VIR_CONF_LONG);
if (p) driver->relaxedACS = p->l;
p = virConfGetValue (conf, "vnc_allow_host_audio");
CHECK_TYPE ("vnc_allow_host_audio", VIR_CONF_LONG);
if (p) driver->vncAllowHostAudio = p->l;
p = virConfGetValue (conf, "clear_emulator_capabilities");
CHECK_TYPE ("clear_emulator_capabilities", VIR_CONF_LONG);
if (p) driver->clearEmulatorCapabilities = p->l;
p = virConfGetValue (conf, "allow_disk_format_probing");
CHECK_TYPE ("allow_disk_format_probing", VIR_CONF_LONG);
if (p) driver->allowDiskFormatProbing = p->l;
p = virConfGetValue (conf, "set_process_name");
CHECK_TYPE ("set_process_name", VIR_CONF_LONG);
if (p) driver->setProcessName = p->l;
p = virConfGetValue(conf, "max_processes");
CHECK_TYPE("max_processes", VIR_CONF_LONG);
if (p) driver->maxProcesses = p->l;
virConfFree (conf);
return 0;
}
