static int
nodeListDevices(virConnectPtr conn,
const char *cap,
char **const names, int maxnames,
unsigned int flags ATTRIBUTE_UNUSED)
{
virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
int ndevs = 0;
unsigned int i;
nodeDeviceLock(driver);
for (i = 0; i < driver->devs.count && ndevs < maxnames; i++) {
virNodeDeviceObjLock(driver->devs.objs[i]);
if (cap == NULL ||
virNodeDeviceHasCap(driver->devs.objs[i], cap)) {
if ((names[ndevs++] = strdup(driver->devs.objs[i]->def->name)) == NULL) {
virNodeDeviceObjUnlock(driver->devs.objs[i]);
virReportOOMError();
goto failure;
}
}
virNodeDeviceObjUnlock(driver->devs.objs[i]);
}
nodeDeviceUnlock(driver);
return ndevs;
failure:
nodeDeviceUnlock(driver);
--ndevs;
while (--ndevs >= 0)
VIR_FREE(names[ndevs]);
return -1;
}
int
nodeNumOfDevices(virConnectPtr conn,
const char *cap,
unsigned int flags)
{
int ndevs = 0;
size_t i;
if (virNodeNumOfDevicesEnsureACL(conn) < 0)
return -1;
virCheckFlags(0, -1);
nodeDeviceLock();
for (i = 0; i < driver->devs.count; i++) {
virNodeDeviceObjPtr obj = driver->devs.objs[i];
virNodeDeviceObjLock(obj);
if (virNodeNumOfDevicesCheckACL(conn, obj->def) &&
((cap == NULL) ||
virNodeDeviceHasCap(obj, cap)))
++ndevs;
virNodeDeviceObjUnlock(obj);
}
nodeDeviceUnlock();
return ndevs;
}
void virNodeDeviceObjRemove(virNodeDeviceObjListPtr devs,
const virNodeDeviceObjPtr dev)
{
unsigned int i;
virNodeDeviceObjUnlock(dev);
for (i = 0; i < devs->count; i++) {
virNodeDeviceObjLock(dev);
if (devs->objs[i] == dev) {
virNodeDeviceObjUnlock(dev);
virNodeDeviceObjFree(devs->objs[i]);
if (i < (devs->count - 1))
memmove(devs->objs + i, devs->objs + i + 1,
sizeof(*(devs->objs)) * (devs->count - (i + 1)));
if (VIR_REALLOC_N(devs->objs, devs->count - 1) < 0) {
; /* Failure to reduce memory allocation isn't fatal */
}
devs->count--;
break;
}
virNodeDeviceObjUnlock(dev);
}
}
virNodeDevicePtr
nodeDeviceLookupSCSIHostByWWN(virConnectPtr conn,
const char *wwnn,
const char *wwpn,
unsigned int flags)
{
size_t i;
virNodeDeviceObjListPtr devs = &driver->devs;
virNodeDevCapsDefPtr cap = NULL;
virNodeDeviceObjPtr obj = NULL;
virNodeDeviceDefPtr def;
virNodeDevicePtr dev = NULL;
virCheckFlags(0, NULL);
nodeDeviceLock();
for (i = 0; i < devs->count; i++) {
obj = devs->objs[i];
virNodeDeviceObjLock(obj);
def = virNodeDeviceObjGetDef(obj);
cap = def->caps;
while (cap) {
if (cap->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
nodeDeviceSysfsGetSCSIHostCaps(&cap->data.scsi_host);
if (cap->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
STREQ(cap->data.scsi_host.wwpn, wwpn)) {
if (virNodeDeviceLookupSCSIHostByWWNEnsureACL(conn, def) < 0)
goto error;
if ((dev = virGetNodeDevice(conn, def->name))) {
if (VIR_STRDUP(dev->parent, def->parent) < 0) {
virObjectUnref(dev);
dev = NULL;
}
}
virNodeDeviceObjUnlock(obj);
goto out;
}
}
}
cap = cap->next;
}
virNodeDeviceObjUnlock(obj);
}
out:
nodeDeviceUnlock();
return dev;
error:
virNodeDeviceObjUnlock(obj);
goto out;
}
virNodeDeviceObjPtr virNodeDeviceFindByName(const virNodeDeviceObjListPtr devs,
const char *name)
{
unsigned int i;
for (i = 0; i < devs->count; i++) {
virNodeDeviceObjLock(devs->objs[i]);
if (STREQ(devs->objs[i]->def->name, name))
return devs->objs[i];
virNodeDeviceObjUnlock(devs->objs[i]);
}
return NULL;
}
virNodeDevicePtr
nodeDeviceLookupSCSIHostByWWN(virConnectPtr conn,
const char *wwnn,
const char *wwpn,
unsigned int flags)
{
size_t i;
virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
virNodeDeviceObjListPtr devs = &driver->devs;
virNodeDevCapsDefPtr cap = NULL;
virNodeDeviceObjPtr obj = NULL;
virNodeDevicePtr dev = NULL;
virCheckFlags(0, NULL);
nodeDeviceLock(driver);
for (i = 0; i < devs->count; i++) {
obj = devs->objs[i];
virNodeDeviceObjLock(obj);
cap = obj->def->caps;
while (cap) {
if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST) {
detect_scsi_host_caps(&cap->data);
if (cap->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
STREQ(cap->data.scsi_host.wwpn, wwpn)) {
if (virNodeDeviceLookupSCSIHostByWWNEnsureACL(conn, obj->def) < 0)
goto out;
dev = virGetNodeDevice(conn, obj->def->name);
virNodeDeviceObjUnlock(obj);
goto out;
}
}
}
cap = cap->next;
}
virNodeDeviceObjUnlock(obj);
}
out:
nodeDeviceUnlock(driver);
return dev;
}
virNodeDeviceObjPtr
virNodeDeviceFindBySysfsPath(const virNodeDeviceObjListPtr devs,
const char *sysfs_path)
{
unsigned int i;
for (i = 0; i < devs->count; i++) {
virNodeDeviceObjLock(devs->objs[i]);
if ((devs->objs[i]->def->sysfs_path != NULL) &&
(STREQ(devs->objs[i]->def->sysfs_path, sysfs_path))) {
return devs->objs[i];
}
virNodeDeviceObjUnlock(devs->objs[i]);
}
return NULL;
}
static virNodeDevicePtr
nodeDeviceLookupByWWN(virConnectPtr conn,
const char *wwnn,
const char *wwpn)
{
unsigned int i;
virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
virNodeDeviceObjListPtr devs = &driver->devs;
virNodeDevCapsDefPtr cap = NULL;
virNodeDeviceObjPtr obj = NULL;
virNodeDevicePtr dev = NULL;
nodeDeviceLock(driver);
for (i = 0; i < devs->count; i++) {
obj = devs->objs[i];
virNodeDeviceObjLock(obj);
cap = obj->def->caps;
while (cap) {
if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST) {
check_fc_host(&cap->data);
if (cap->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
STREQ(cap->data.scsi_host.wwpn, wwpn)) {
dev = virGetNodeDevice(conn, obj->def->name);
virNodeDeviceObjUnlock(obj);
goto out;
}
}
}
cap = cap->next;
}
virNodeDeviceObjUnlock(obj);
}
out:
nodeDeviceUnlock(driver);
return dev;
}
static int nodeNumOfDevices(virConnectPtr conn,
const char *cap,
unsigned int flags ATTRIBUTE_UNUSED)
{
virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
int ndevs = 0;
unsigned int i;
nodeDeviceLock(driver);
for (i = 0; i < driver->devs.count; i++) {
virNodeDeviceObjLock(driver->devs.objs[i]);
if ((cap == NULL) ||
virNodeDeviceHasCap(driver->devs.objs[i], cap))
++ndevs;
virNodeDeviceObjUnlock(driver->devs.objs[i]);
}
nodeDeviceUnlock(driver);
return ndevs;
}
int
nodeListDevices(virConnectPtr conn,
const char *cap,
char **const names, int maxnames,
unsigned int flags)
{
virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
int ndevs = 0;
size_t i;
if (virNodeListDevicesEnsureACL(conn) < 0)
return -1;
virCheckFlags(0, -1);
nodeDeviceLock(driver);
for (i = 0; i < driver->devs.count && ndevs < maxnames; i++) {
virNodeDeviceObjPtr obj = driver->devs.objs[i];
virNodeDeviceObjLock(obj);
if (virNodeListDevicesCheckACL(conn, obj->def) &&
(cap == NULL ||
virNodeDeviceHasCap(obj, cap))) {
if (VIR_STRDUP(names[ndevs++], obj->def->name) < 0) {
virNodeDeviceObjUnlock(obj);
goto failure;
}
}
virNodeDeviceObjUnlock(obj);
}
nodeDeviceUnlock(driver);
return ndevs;
failure:
nodeDeviceUnlock(driver);
--ndevs;
while (--ndevs >= 0)
VIR_FREE(names[ndevs]);
return -1;
}
virNodeDeviceObjPtr virNodeDeviceAssignDef(virNodeDeviceObjListPtr devs,
const virNodeDeviceDefPtr def)
{
virNodeDeviceObjPtr device;
if ((device = virNodeDeviceFindByName(devs, def->name))) {
virNodeDeviceDefFree(device->def);
device->def = def;
return device;
}
if (VIR_ALLOC(device) < 0) {
virReportOOMError();
return NULL;
}
if (virMutexInit(&device->lock) < 0) {
virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot initialize mutex"));
VIR_FREE(device);
return NULL;
}
virNodeDeviceObjLock(device);
device->def = def;
if (VIR_REALLOC_N(devs->objs, devs->count+1) < 0) {
device->def = NULL;
virNodeDeviceObjUnlock(device);
virNodeDeviceObjFree(device);
virReportOOMError();
return NULL;
}
devs->objs[devs->count++] = device;
return device;
}
