KVM: remove old KVMTRACE support code
Return EOPNOTSUPP for KVM_TRACE_ENABLE/PAUSE/DISABLE ioctls.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 6710518..76c6408 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -14,7 +14,7 @@
#define KVM_API_VERSION 12
-/* for KVM_TRACE_ENABLE */
+/* for KVM_TRACE_ENABLE, deprecated */
struct kvm_user_trace_setup {
__u32 buf_size; /* sub_buffer size of each per-cpu */
__u32 buf_nr; /* the number of sub_buffers of each per-cpu */
@@ -325,35 +325,6 @@
#define KVM_TRC_CYCLE_SIZE 8
#define KVM_TRC_EXTRA_MAX 7
-/* This structure represents a single trace buffer record. */
-struct kvm_trace_rec {
- /* variable rec_val
- * is split into:
- * bits 0 - 27 -> event id
- * bits 28 -30 -> number of extra data args of size u32
- * bits 31 -> binary indicator for if tsc is in record
- */
- __u32 rec_val;
- __u32 pid;
- __u32 vcpu_id;
- union {
- struct {
- __u64 timestamp;
- __u32 extra_u32[KVM_TRC_EXTRA_MAX];
- } __attribute__((packed)) timestamp;
- struct {
- __u32 extra_u32[KVM_TRC_EXTRA_MAX];
- } notimestamp;
- } u;
-};
-
-#define TRACE_REC_EVENT_ID(val) \
- (0x0fffffff & (val))
-#define TRACE_REC_NUM_DATA_ARGS(val) \
- (0x70000000 & ((val) << 28))
-#define TRACE_REC_TCS(val) \
- (0x80000000 & ((val) << 31))
-
#define KVMIO 0xAE
/*