include: Add KSHARED_USER_DATA QpcData details and flags.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

include: Add KSHARED_USER_DATA QpcData details and flags.
3b874440 · Rémi Bernon · Alexandre Julliard · 97d2802d · 3b874440
Commit 3b874440 authored Mar 10, 2021 by Rémi Bernon Committed by Alexandre Julliard Mar 15, 2021
Hide whitespace changes
Inline Side-by-side

Showing with 15 additions and 1 deletion

wdm.h include/ddk/wdm.h +15 -1

No files found.
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1292,12 +1292,26 @@ typedef struct _KUSER_SHARED_DATA {
    volatile ULONGLONG QpcBias;                            /* 0x3b8 */
    ULONG ActiveProcessorCount;                            /* 0x3c0 */
    volatile UCHAR ActiveGroupCount;                       /* 0x3c4 */
-    USHORT QpcData;                                        /* 0x3c6 */
+    union {
+        USHORT QpcData;                                    /* 0x3c6 */
+        struct {
+            UCHAR volatile QpcBypassEnabled;
+            UCHAR QpcShift;
+        } DUMMYSTRUCTNAME;
+    } DUMMYUNIONNAME3;
    LARGE_INTEGER TimeZoneBiasEffectiveStart;              /* 0x3c8 */
    LARGE_INTEGER TimeZoneBiasEffectiveEnd;                /* 0x3d0 */
    XSTATE_CONFIGURATION XState;                           /* 0x3d8 */
 } KSHARED_USER_DATA, *PKSHARED_USER_DATA;

+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED 0x01
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE 0x02
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_DISABLE_32BIT 0x04
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_MFENCE 0x10
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_LFENCE 0x20
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_A73_ERRATA 0x40
+#define SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_RDTSCP 0x80
+
 typedef enum _MEMORY_CACHING_TYPE {
    MmNonCached = 0,
    MmCached = 1,