[libvirt PATCH 03/16] nodedev: Add ability to filter by active state

[Jonathon Jongsma]

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>
---
 include/libvirt/libvirt-nodedev.h    |  9 ++++++---
 src/conf/node_device_conf.h          |  8 ++++++++
 src/conf/virnodedeviceobj.c          | 10 ++++++++++
 src/libvirt-nodedev.c                |  2 ++
 src/node_device/node_device_driver.c |  2 +-
 5 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/include/libvirt/libvirt-nodedev.h b/include/libvirt/libvirt-nodedev.h
index a2ad61ac6d..98a972e60d 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 */
@@ -81,6 +80,10 @@ typedef enum {
     VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV_TYPES    = 1 << 13, /* Capable of mediated devices */
     VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV          = 1 << 14, /* Mediated device */
     VIR_CONNECT_LIST_NODE_DEVICES_CAP_CCW_DEV       = 1 << 15, /* CCW device */
+
+    /* filter the devices by active state */
+    VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE          = 1 << 16, /* Inactive devices */
+    VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE            = 1 << 17, /* Active devices */
 } virConnectListAllNodeDeviceFlags;
 
 int                     virConnectListAllNodeDevices (virConnectPtr conn,
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index 9b8c7aadea..353dbebaf0 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -369,6 +369,14 @@ virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps);
                  VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV          | \
                  VIR_CONNECT_LIST_NODE_DEVICES_CAP_CCW_DEV)
 
+#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 88a7746b27..9838513b69 100644
--- a/src/conf/virnodedeviceobj.c
+++ b/src/conf/virnodedeviceobj.c
@@ -865,6 +865,16 @@ virNodeDeviceObjMatch(virNodeDeviceObjPtr obj,
             return false;
     }
 
+#undef MATCH
+#define MATCH(FLAG) (flags & (FLAG))
+
+    if (MATCH(VIR_CONNECT_LIST_NODE_DEVICES_FILTERS_ACTIVE) &&
+        !((MATCH(VIR_CONNECT_LIST_NODE_DEVICES_ACTIVE) &&
+           virNodeDeviceObjIsActive(obj)) ||
+          (MATCH(VIR_CONNECT_LIST_NODE_DEVICES_INACTIVE) &&
+           !virNodeDeviceObjIsActive(obj))))
+            return false;
+
     return true;
 }
 #undef MATCH
diff --git a/src/libvirt-nodedev.c b/src/libvirt-nodedev.c
index ca6c2bb057..6dc61304a0 100644
--- a/src/libvirt-nodedev.c
+++ b/src/libvirt-nodedev.c
@@ -101,6 +101,8 @@ virNodeNumOfDevices(virConnectPtr conn, const char *cap, unsigned int flags)
  *   VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV_TYPES
  *   VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV
  *   VIR_CONNECT_LIST_NODE_DEVICES_CAP_CCW_DEV
+ *   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 e89c8b0ee5..f766fd9f32 100644
--- a/src/node_device/node_device_driver.c
+++ b/src/node_device/node_device_driver.c
@@ -218,7 +218,7 @@ 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;
-- 
2.21.3