[libvirt PATCH v5 04/30] nodedev: Add ability to filter by active state
Jonathon Jongsma
jjongsma at redhat.com
Tue Mar 2 22:30:39 UTC 2021
Add two flag values for virConnectListAllNodeDevices() so that we can
list only node devices that are active or inactive.
Signed-off-by: Jonathon Jongsma <jjongsma at redhat.com>
Reviewed-by: Erik Skultety <eskultet at redhat.com>
---
include/libvirt/libvirt-nodedev.h | 9 +++--
src/conf/node_device_conf.h | 8 ++++
src/conf/virnodedeviceobj.c | 57 +++++++++++++++++-----------
src/libvirt-nodedev.c | 2 +
src/node_device/node_device_driver.c | 2 +-
5 files changed, 51 insertions(+), 27 deletions(-)
diff --git a/include/libvirt/libvirt-nodedev.h b/include/libvirt/libvirt-nodedev.h
index eab8abf6ab..1a0e60b81f 100644
--- a/include/libvirt/libvirt-nodedev.h
+++ b/include/libvirt/libvirt-nodedev.h
@@ -61,10 +61,9 @@ int virNodeListDevices (virConnectPtr conn,
* virConnectListAllNodeDevices:
*
* Flags used to filter the returned node devices. Flags in each group
- * are exclusive. Currently only one group to filter the devices by cap
- * type.
- */
+ * are exclusive. */
typedef enum {
+ /* filter the devices by cap type */
VIR_CONNECT_LIST_NODE_DEVICES_CAP_SYSTEM = 1 << 0, /* System capability */
VIR_CONNECT_LIST_NODE_DEVICES_CAP_PCI_DEV = 1 << 1, /* PCI device */
VIR_CONNECT_LIST_NODE_DEVICES_CAP_USB_DEV = 1 << 2, /* USB device */
@@ -86,6 +85,10 @@ typedef enum {
VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_CARD = 1 << 18, /* s390 AP Card device */
VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_QUEUE = 1 << 19, /* s390 AP Queue */
VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_MATRIX = 1 << 20, /* s390 AP Matrix */
+
+ /* filter the devices by active state */
+ VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE = 1 << 30, /* Inactive devices */
+ VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE = 1U << 31, /* Active devices */
} virConnectListAllNodeDeviceFlags;
int virConnectListAllNodeDevices (virConnectPtr conn,
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index c67b8e2aeb..3d7872fd6e 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -422,6 +422,14 @@ virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps);
VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_QUEUE | \
VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_MATRIX)
+#define VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ACTIVE \
+ VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE |\
+ VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE
+
+#define VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ALL \
+ VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_CAP | \
+ VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ACTIVE
+
int
virNodeDeviceGetSCSIHostCaps(virNodeDevCapSCSIHostPtr scsi_host);
diff --git a/src/conf/virnodedeviceobj.c b/src/conf/virnodedeviceobj.c
index 7155f77a94..afcd9a46fd 100644
--- a/src/conf/virnodedeviceobj.c
+++ b/src/conf/virnodedeviceobj.c
@@ -848,8 +848,10 @@ virNodeDeviceObjListGetNames(virNodeDeviceObjListPtr devs,
}
-#define MATCH(FLAG) ((flags & (VIR_CONNECT_LIST_NODE_DEVICES_CAP_ ## FLAG)) && \
- virNodeDeviceObjHasCap(obj, VIR_NODE_DEV_CAP_ ## FLAG))
+#define MATCH_CAP(FLAG) ((flags & (VIR_CONNECT_LIST_NODE_DEVICES_CAP_ ## FLAG)) && \
+ virNodeDeviceObjHasCap(obj, VIR_NODE_DEV_CAP_ ## FLAG))
+#define MATCH(FLAG) (flags & (FLAG))
+
static bool
virNodeDeviceObjMatch(virNodeDeviceObjPtr obj,
unsigned int flags)
@@ -861,33 +863,42 @@ virNodeDeviceObjMatch(virNodeDeviceObjPtr obj,
/* filter by cap type */
if (flags & VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_CAP) {
- if (!(MATCH(SYSTEM) ||
- MATCH(PCI_DEV) ||
- MATCH(USB_DEV) ||
- MATCH(USB_INTERFACE) ||
- MATCH(NET) ||
- MATCH(SCSI_HOST) ||
- MATCH(SCSI_TARGET) ||
- MATCH(SCSI) ||
- MATCH(STORAGE) ||
- MATCH(FC_HOST) ||
- MATCH(VPORTS) ||
- MATCH(SCSI_GENERIC) ||
- MATCH(DRM) ||
- MATCH(MDEV_TYPES) ||
- MATCH(MDEV) ||
- MATCH(CCW_DEV) ||
- MATCH(CSS_DEV) ||
- MATCH(VDPA) ||
- MATCH(AP_CARD) ||
- MATCH(AP_QUEUE) ||
- MATCH(AP_MATRIX)))
+ if (!(MATCH_CAP(SYSTEM) ||
+ MATCH_CAP(PCI_DEV) ||
+ MATCH_CAP(USB_DEV) ||
+ MATCH_CAP(USB_INTERFACE) ||
+ MATCH_CAP(NET) ||
+ MATCH_CAP(SCSI_HOST) ||
+ MATCH_CAP(SCSI_TARGET) ||
+ MATCH_CAP(SCSI) ||
+ MATCH_CAP(STORAGE) ||
+ MATCH_CAP(FC_HOST) ||
+ MATCH_CAP(VPORTS) ||
+ MATCH_CAP(SCSI_GENERIC) ||
+ MATCH_CAP(DRM) ||
+ MATCH_CAP(MDEV_TYPES) ||
+ MATCH_CAP(MDEV) ||
+ MATCH_CAP(CCW_DEV) ||
+ MATCH_CAP(CSS_DEV) ||
+ MATCH_CAP(VDPA) ||
+ MATCH_CAP(AP_CARD) ||
+ MATCH_CAP(AP_QUEUE) ||
+ MATCH_CAP(AP_MATRIX)))
+ return false;
+ }
+
+ if (flags & (VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ACTIVE)) {
+ if (!((MATCH(VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE) &&
+ virNodeDeviceObjIsActive(obj)) ||
+ (MATCH(VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE) &&
+ !virNodeDeviceObjIsActive(obj))))
return false;
}
return true;
}
#undef MATCH
+#undef MATCH_CAP
typedef struct _virNodeDeviceObjListExportData virNodeDeviceObjListExportData;
diff --git a/src/libvirt-nodedev.c b/src/libvirt-nodedev.c
index eb8c735a8c..375b907852 100644
--- a/src/libvirt-nodedev.c
+++ b/src/libvirt-nodedev.c
@@ -105,6 +105,8 @@ virNodeNumOfDevices(virConnectPtr conn, const char *cap, unsigned int flags)
* VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_CARD
* VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_QUEUE
* VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_MATRIX
+ * VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE
+ * VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE
*
* Returns the number of node devices found or -1 and sets @devices to NULL in
* case of error. On success, the array stored into @devices is guaranteed to
diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c
index 3851a3568f..920fd815f2 100644
--- a/src/node_device/node_device_driver.c
+++ b/src/node_device/node_device_driver.c
@@ -217,7 +217,7 @@ nodeConnectListAllNodeDevices(virConnectPtr conn,
virNodeDevicePtr **devices,
unsigned int flags)
{
- virCheckFlags(VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_CAP, -1);
+ virCheckFlags(VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ALL, -1);
if (virConnectListAllNodeDevicesEnsureACL(conn) < 0)
return -1;
--
2.26.2
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