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);
}
}
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
nodeDeviceDestroy(virNodeDevicePtr dev)
{
int ret = -1;
virDeviceMonitorStatePtr driver = dev->conn->devMonPrivateData;
virNodeDeviceObjPtr obj = NULL;
char *parent_name = NULL, *wwnn = NULL, *wwpn = NULL;
int parent_host = -1;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE, NULL);
goto out;
}
if (virNodeDeviceGetWWNs(obj->def, &wwnn, &wwpn) == -1) {
goto out;
}
parent_name = strdup(obj->def->parent);
/* virNodeDeviceGetParentHost will cause the device object's lock to be
* taken, so we have to dup the parent's name and drop the lock
* before calling it. We don't need the reference to the object
* any more once we have the parent's name. */
virNodeDeviceObjUnlock(obj);
obj = NULL;
if (parent_name == NULL) {
virReportOOMError();
goto out;
}
if (virNodeDeviceGetParentHost(&driver->devs,
dev->name,
parent_name,
&parent_host) == -1) {
goto out;
}
if (nodeDeviceVportCreateDelete(parent_host,
wwpn,
wwnn,
VPORT_DELETE) == -1) {
goto out;
}
ret = 0;
out:
if (obj)
virNodeDeviceObjUnlock(obj);
VIR_FREE(parent_name);
VIR_FREE(wwnn);
VIR_FREE(wwpn);
return ret;
}
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;
}
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;
}
virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn, const char *name)
{
virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
virNodeDeviceObjPtr obj;
virNodeDevicePtr ret = NULL;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, name);
nodeDeviceUnlock(driver);
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE, NULL);
goto cleanup;
}
if (virNodeDeviceLookupByNameEnsureACL(conn, obj->def) < 0)
goto cleanup;
ret = virGetNodeDevice(conn, name);
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
static char *nodeDeviceDumpXML(virNodeDevicePtr dev,
unsigned int flags ATTRIBUTE_UNUSED)
{
virDeviceMonitorStatePtr driver = dev->conn->devMonPrivateData;
virNodeDeviceObjPtr obj;
char *ret = NULL;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virNodeDeviceReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
update_driver_name(obj);
update_caps(obj);
ret = virNodeDeviceDefFormat(obj->def);
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn, const char *name)
{
virNodeDeviceObjPtr obj;
virNodeDevicePtr ret = NULL;
nodeDeviceLock();
obj = virNodeDeviceFindByName(&driver->devs, name);
nodeDeviceUnlock();
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
name);
goto cleanup;
}
if (virNodeDeviceLookupByNameEnsureACL(conn, obj->def) < 0)
goto cleanup;
ret = virGetNodeDevice(conn, name);
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
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;
}
char *
nodeDeviceGetParent(virNodeDevicePtr dev)
{
virNodeDeviceObjPtr obj;
virNodeDeviceDefPtr def;
char *ret = NULL;
if (!(obj = nodeDeviceObjFindByName(dev->name)))
return NULL;
def = virNodeDeviceObjGetDef(obj);
if (virNodeDeviceGetParentEnsureACL(dev->conn, def) < 0)
goto cleanup;
if (def->parent) {
if (VIR_STRDUP(ret, def->parent) < 0)
goto cleanup;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no parent for this device"));
}
cleanup:
virNodeDeviceObjUnlock(obj);
return ret;
}
char *
nodeDeviceGetXMLDesc(virNodeDevicePtr dev,
unsigned int flags)
{
virNodeDeviceObjPtr obj;
char *ret = NULL;
virCheckFlags(0, NULL);
nodeDeviceLock();
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock();
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceGetXMLDescEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
update_driver_name(obj);
if (update_caps(obj) < 0)
goto cleanup;
ret = virNodeDeviceDefFormat(obj->def);
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
char *
nodeDeviceGetXMLDesc(virNodeDevicePtr dev,
unsigned int flags)
{
virNodeDeviceObjPtr obj;
virNodeDeviceDefPtr def;
char *ret = NULL;
virCheckFlags(0, NULL);
if (!(obj = nodeDeviceObjFindByName(dev->name)))
return NULL;
def = virNodeDeviceObjGetDef(obj);
if (virNodeDeviceGetXMLDescEnsureACL(dev->conn, def) < 0)
goto cleanup;
if (nodeDeviceUpdateDriverName(def) < 0)
goto cleanup;
if (nodeDeviceUpdateCaps(def) < 0)
goto cleanup;
ret = virNodeDeviceDefFormat(def);
cleanup:
virNodeDeviceObjUnlock(obj);
return ret;
}
int
nodeDeviceNumOfCaps(virNodeDevicePtr dev)
{
virNodeDeviceDriverStatePtr driver = dev->conn->nodeDevicePrivateData;
virNodeDeviceObjPtr obj;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceNumOfCapsEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
for (caps = obj->def->caps; caps; caps = caps->next)
++ncaps;
ret = ncaps;
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn,
const char *name)
{
virNodeDeviceObjPtr obj;
virNodeDeviceDefPtr def;
virNodeDevicePtr ret = NULL;
if (!(obj = nodeDeviceObjFindByName(name)))
return NULL;
def = virNodeDeviceObjGetDef(obj);
if (virNodeDeviceLookupByNameEnsureACL(conn, def) < 0)
goto cleanup;
if ((ret = virGetNodeDevice(conn, name))) {
if (VIR_STRDUP(ret->parent, def->parent) < 0) {
virObjectUnref(ret);
ret = NULL;
}
}
cleanup:
virNodeDeviceObjUnlock(obj);
return ret;
}
char *
nodeDeviceGetParent(virNodeDevicePtr dev)
{
virNodeDeviceObjPtr obj;
char *ret = NULL;
nodeDeviceLock();
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock();
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceGetParentEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
if (obj->def->parent) {
if (VIR_STRDUP(ret, obj->def->parent) < 0)
goto cleanup;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no parent for this device"));
}
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
char *
nodeDeviceGetParent(virNodeDevicePtr dev)
{
virDeviceMonitorStatePtr driver = dev->conn->devMonPrivateData;
virNodeDeviceObjPtr obj;
char *ret = NULL;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (obj->def->parent) {
ret = strdup(obj->def->parent);
if (!ret)
virReportOOMError();
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no parent for this device"));
}
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
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;
}
int
nodeDeviceListCaps(virNodeDevicePtr dev, char **const names, int maxnames)
{
virNodeDeviceObjPtr obj;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
nodeDeviceLock();
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock();
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceListCapsEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
for (caps = obj->def->caps; caps && ncaps < maxnames; caps = caps->next) {
if (VIR_STRDUP(names[ncaps++], virNodeDevCapTypeToString(caps->data.type)) < 0)
goto cleanup;
if (caps->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
if (ncaps < maxnames &&
caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
if (VIR_STRDUP(names[ncaps++],
virNodeDevCapTypeToString(VIR_NODE_DEV_CAP_FC_HOST)) < 0)
goto cleanup;
}
if (ncaps < maxnames &&
caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS) {
if (VIR_STRDUP(names[ncaps++],
virNodeDevCapTypeToString(VIR_NODE_DEV_CAP_VPORTS)) < 0)
goto cleanup;
}
}
}
ret = ncaps;
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
if (ret == -1) {
--ncaps;
while (--ncaps >= 0)
VIR_FREE(names[ncaps]);
}
return ret;
}
int
nodeDeviceDestroy(virNodeDevicePtr dev)
{
int ret = -1;
virNodeDeviceObjPtr obj = NULL;
virNodeDeviceDefPtr def;
char *wwnn = NULL, *wwpn = NULL;
int parent_host = -1;
if (!(obj = nodeDeviceObjFindByName(dev->name)))
return -1;
def = virNodeDeviceObjGetDef(obj);
nodeDeviceLock();
if (virNodeDeviceDestroyEnsureACL(dev->conn, def) < 0)
goto cleanup;
if (virNodeDeviceGetWWNs(def, &wwnn, &wwpn) < 0)
goto cleanup;
/* virNodeDeviceGetParentHost will cause the device object's lock
* to be taken, so grab the object def which will have the various
* fields used to search (name, parent, parent_wwnn, parent_wwpn,
* or parent_fabric_wwn) and drop the object lock. */
virNodeDeviceObjUnlock(obj);
obj = NULL;
if ((parent_host = virNodeDeviceObjGetParentHost(&driver->devs, def,
EXISTING_DEVICE)) < 0)
goto cleanup;
if (virVHBAManageVport(parent_host, wwpn, wwnn, VPORT_DELETE) < 0)
goto cleanup;
ret = 0;
cleanup:
nodeDeviceUnlock();
virNodeDeviceObjUnlock(obj);
VIR_FREE(wwnn);
VIR_FREE(wwpn);
return ret;
}
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;
}
int
nodeDeviceListCaps(virNodeDevicePtr dev,
char **const names,
int maxnames)
{
virNodeDeviceObjPtr obj;
virNodeDeviceDefPtr def;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
if (!(obj = nodeDeviceObjFindByName(dev->name)))
return -1;
def = virNodeDeviceObjGetDef(obj);
if (virNodeDeviceListCapsEnsureACL(dev->conn, def) < 0)
goto cleanup;
for (caps = def->caps; caps && ncaps < maxnames; caps = caps->next) {
if (VIR_STRDUP(names[ncaps++], virNodeDevCapTypeToString(caps->data.type)) < 0)
goto cleanup;
if (caps->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
if (ncaps < maxnames &&
caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
if (VIR_STRDUP(names[ncaps++],
virNodeDevCapTypeToString(VIR_NODE_DEV_CAP_FC_HOST)) < 0)
goto cleanup;
}
if (ncaps < maxnames &&
caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS) {
if (VIR_STRDUP(names[ncaps++],
virNodeDevCapTypeToString(VIR_NODE_DEV_CAP_VPORTS)) < 0)
goto cleanup;
}
}
}
ret = ncaps;
cleanup:
virNodeDeviceObjUnlock(obj);
if (ret == -1) {
--ncaps;
while (--ncaps >= 0)
VIR_FREE(names[ncaps]);
}
return ret;
}
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;
}
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;
}
/*
* Return the NPIV dev's parent device name
*/
int
virNodeDeviceGetParentHost(const virNodeDeviceObjListPtr devs,
const char *dev_name,
const char *parent_name,
int *parent_host)
{
virNodeDeviceObjPtr parent = NULL;
virNodeDevCapsDefPtr cap = NULL;
int ret = 0;
parent = virNodeDeviceFindByName(devs, parent_name);
if (parent == NULL) {
virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
_("Could not find parent device for '%s'"),
dev_name);
ret = -1;
goto out;
}
cap = parent->def->caps;
while (cap != NULL) {
if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST &&
(cap->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS)) {
*parent_host = cap->data.scsi_host.host;
break;
}
cap = cap->next;
}
if (cap == NULL) {
virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
_("Parent device %s is not capable "
"of vport operations"),
parent->def->name);
ret = -1;
}
virNodeDeviceObjUnlock(parent);
out:
return ret;
}
int
nodeDeviceNumOfCaps(virNodeDevicePtr dev)
{
virNodeDeviceObjPtr obj;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
nodeDeviceLock();
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock();
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceNumOfCapsEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
for (caps = obj->def->caps; caps; caps = caps->next) {
++ncaps;
if (caps->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
if (caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST)
ncaps++;
if (caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS)
ncaps++;
}
}
ret = ncaps;
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
return ret;
}
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;
}
static int
nodeDeviceListCaps(virNodeDevicePtr dev, char **const names, int maxnames)
{
virDeviceMonitorStatePtr driver = dev->conn->devMonPrivateData;
virNodeDeviceObjPtr obj;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virNodeDeviceReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
for (caps = obj->def->caps; caps && ncaps < maxnames; caps = caps->next) {
names[ncaps] = strdup(virNodeDevCapTypeToString(caps->type));
if (names[ncaps++] == NULL) {
virReportOOMError();
goto cleanup;
}
}
ret = ncaps;
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
if (ret == -1) {
--ncaps;
while (--ncaps >= 0)
VIR_FREE(names[ncaps]);
}
return ret;
}
int
nodeDeviceListCaps(virNodeDevicePtr dev, char **const names, int maxnames)
{
virNodeDeviceDriverStatePtr driver = dev->conn->nodeDevicePrivateData;
virNodeDeviceObjPtr obj;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
nodeDeviceLock(driver);
obj = virNodeDeviceFindByName(&driver->devs, dev->name);
nodeDeviceUnlock(driver);
if (!obj) {
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device with matching name '%s'"),
dev->name);
goto cleanup;
}
if (virNodeDeviceListCapsEnsureACL(dev->conn, obj->def) < 0)
goto cleanup;
for (caps = obj->def->caps; caps && ncaps < maxnames; caps = caps->next) {
if (VIR_STRDUP(names[ncaps++], virNodeDevCapTypeToString(caps->type)) < 0)
goto cleanup;
}
ret = ncaps;
cleanup:
if (obj)
virNodeDeviceObjUnlock(obj);
if (ret == -1) {
--ncaps;
while (--ncaps >= 0)
VIR_FREE(names[ncaps]);
}
return ret;
}
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;
}
int
nodeDeviceNumOfCaps(virNodeDevicePtr dev)
{
virNodeDeviceObjPtr obj;
virNodeDeviceDefPtr def;
virNodeDevCapsDefPtr caps;
int ncaps = 0;
int ret = -1;
if (!(obj = nodeDeviceObjFindByName(dev->name)))
return -1;
def = virNodeDeviceObjGetDef(obj);
if (virNodeDeviceNumOfCapsEnsureACL(dev->conn, def) < 0)
goto cleanup;
for (caps = def->caps; caps; caps = caps->next) {
++ncaps;
if (caps->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
if (caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST)
ncaps++;
if (caps->data.scsi_host.flags &
VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS)
ncaps++;
}
}
ret = ncaps;
cleanup:
virNodeDeviceObjUnlock(obj);
return ret;
}