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[libvirt] [PATCHv2 3/9] virNodeGetCPUMapFlags: Implement public API.



Added implementation of virNodeGetCPUMapFlags to libvirt.c

Signed-off-by: Viktor Mihajlovski <mihajlov linux vnet ibm com>
---
 src/libvirt.c |   56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 56 insertions(+), 0 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index 3c6d67d..25c37d3 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -20098,3 +20098,59 @@ error:
     virDispatchError(domain->conn);
     return NULL;
 }
+
+/**
+ * virNodeGetCPUMapFlags:
+ * @conn: pointer to the hypervisor connection
+ * @cpumap: optional pointer to a bit map of real CPUs on the host node
+ *      (in 8-bit bytes) (OUT)
+ *      In case of success each bit set to 1 means that corresponding
+ *      CPU is online.
+ *      Bytes are stored in little-endian order: CPU0-7, 8-15...
+ *      In each byte, lowest CPU number is least significant bit.
+ *      The bit map is allocated by virNodeGetCPUMapFlags and needs
+ *      to be released using free() by the caller.
+ * @online: optional number of online CPUs in cpumap (OUT)
+ *      Contains the number of online CPUs if the call was successful.
+ * @flags: extra flags; not used yet, so callers should always pass 0
+ *
+ * Get CPU map of host node CPUs.
+ *
+ * Returns number of CPUs present on the host node,
+ * or -1 if there was an error.
+ */
+int
+virNodeGetCPUMapFlags (virConnectPtr conn,
+                       unsigned char **cpumap,
+                       unsigned int *online,
+                       unsigned int flags)
+{
+    VIR_DEBUG("conn=%p, cpumap=%p, online=%p, flags=%x",
+              conn, cpumap, online, flags);
+
+    virResetLastError();
+
+    if (!VIR_IS_CONNECT (conn)) {
+        virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
+        virDispatchError(NULL);
+        return -1;
+    }
+
+    if (conn->driver->nodeGetCPUMapFlags) {
+        int ret = conn->driver->nodeGetCPUMapFlags (conn,
+                                                    cpumap,
+                                                    online,
+                                                    flags);
+        if (ret < 0)
+            goto error;
+        VIR_DEBUG("conn=%p, cpumap=%p, online=%u, flags=%x, ret=%d",
+                  conn, cpumap, online ? *online : 0 , flags, ret);
+        return ret;
+    }
+
+    virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+    virDispatchError(conn);
+    return -1;
+}
-- 
1.7.0.4


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