libkvmi: add view parameter to kvmi_change_gfn

bitdefender · Dec 13, 2023 · bc80de9 · bc80de9
1 parent 2d1cee7
commit bc80de9
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/include/libkvmi.h b/include/libkvmi.h
@@ -143,7 +143,7 @@ int     kvmi_get_ept_view( void *dom, unsigned short vcpu, unsigned short *view
 int     kvmi_control_ept_view( void *dom, unsigned short vcpu, unsigned short view, bool visible );
 bool    kvmi_remote_mapping_v2( void );
 size_t  kvmi_get_pending_events( void *dom );
-int     kvmi_change_gfn( void *dom, unsigned short vcpu, __u64 old_gfn, __u64 new_gfn );
+int     kvmi_change_gfn( void *dom, unsigned short vcpu, unsigned short view, __u64 old_gfn, __u64 new_gfn );
 int     kvmi_alloc_gfn( void *dom, __u64 gfn );
 int     kvmi_free_gfn( void *dom, __u64 gfn );
 

diff --git a/include/linux/kvmi.h b/include/linux/kvmi.h
@@ -343,6 +343,9 @@ struct kvmi_vcpu_translate_gva_reply {
 };
 
 struct kvmi_vcpu_change_gfn {
+	__u16 view;
+	__u16 padding1;
+	__u32 padding2;
 	__u64 old_gfn;
 	__u64 new_gfn;
 };

diff --git a/src/kvmi.c b/src/kvmi.c
@@ -2705,12 +2705,12 @@ int kvmi_translate_gva( void *dom, unsigned short vcpu, __u64 gva, __u64 *gpa )
 	return err;
 }
 
-int kvmi_change_gfn( void *dom, unsigned short vcpu, __u64 old_gfn, __u64 new_gfn )
+int kvmi_change_gfn( void *dom, unsigned short vcpu, unsigned short view, __u64 old_gfn, __u64 new_gfn )
 {
 	struct {
 		struct kvmi_vcpu_hdr        vcpu;
 		struct kvmi_vcpu_change_gfn cmd;
-	} req = { .vcpu = { .vcpu = vcpu }, .cmd = { .old_gfn = old_gfn, .new_gfn = new_gfn } };
+	} req = { .vcpu = { .vcpu = vcpu }, .cmd = { .view = view, .old_gfn = old_gfn, .new_gfn = new_gfn } };
 
 	return request( dom, KVMI_VCPU_CHANGE_GFN, &req, sizeof( req ), NULL, NULL );
 }