Introducing hf_vcpu_count_t for vCPU count.
Return 0 rather than -1 on error.
Change-Id: I95cdde0744ef13e9bd748ce8ed32439d3d7f2010
diff --git a/inc/vmapi/hf/call.h b/inc/vmapi/hf/call.h
index 3ba985c..6e68a50 100644
--- a/inc/vmapi/hf/call.h
+++ b/inc/vmapi/hf/call.h
@@ -64,7 +64,7 @@
/**
* Returns the number of VCPUs configured in the given secondary VM.
*/
-static inline int64_t hf_vcpu_get_count(spci_vm_id_t vm_id)
+static inline spci_vcpu_count_t hf_vcpu_get_count(spci_vm_id_t vm_id)
{
return hf_call(HF_VCPU_GET_COUNT, vm_id, 0, 0);
}
diff --git a/inc/vmapi/hf/spci.h b/inc/vmapi/hf/spci.h
index 25e8e83..e55ea97 100644
--- a/inc/vmapi/hf/spci.h
+++ b/inc/vmapi/hf/spci.h
@@ -68,8 +68,16 @@
* different name to make the different semantics clear.
*/
typedef spci_vm_id_t spci_vm_count_t;
+
+/** The index of a vCPU within a particular VM. */
typedef uint16_t spci_vcpu_index_t;
+/**
+ * A count of vCPUs. This has the same range as the vCPU indices but we give it
+ * a different name to make the different semantics clear.
+ */
+typedef spci_vcpu_index_t spci_vcpu_count_t;
+
/** SPCI common message header. */
struct spci_message {
/*