Changeset 23699 in vbox for trunk/include

Timestamp:

Oct 12, 2009 3:01:05 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

53415

Message:

Added SUP_IOCTL_VT_CAPS to get VT-x/AMD-V caps that can only be checked in kernel mode.

Location:

trunk/include/VBox

Files:

• hwacc_vmx.h (modified) (1 diff)
• sup.h (modified) (3 diffs)

trunk/include/VBox/hwacc_vmx.h

@@ -398 +398 @@
 /** @} */
 
+
+/** @name VT-x capability qword
+ * @{
+ */
+#pragma pack(1)
+typedef union
+{
+    struct
+    {
+        uint32_t        disallowed0;
+        uint32_t        allowed1;
+    } n;
+    uint64_t            u;
+} VMX_CAPABILITY;
+#pragma pack()
+/** @} */
 
 /** @name VMX Basic Exit Reasons.

trunk/include/VBox/sup.h

@@ -293 +293 @@
 /** @} */
 
+/** SUPR3QueryVTCaps capability flags
+ * @{
+ */
+#define SUPVTCAPS_AMD_V             RT_BIT(0)
+#define SUPVTCAPS_VT_X              RT_BIT(1)
+#define SUPVTCAPS_NESTED_PAGING     RT_BIT(2)
+/** @} */
 
 /**
@@ -934 +941 @@
 SUPR3DECL(int) SUPR3QueryVTxSupported(void);
 
+
+/**
+ * Return VT-x/AMD-V capabilities
+ *    
+ * @returns VINF_SUCCESS if supported, error code indicating why if not. 
+ * @param   pCaps       Pointer to capability dword (out)
+ */
+SUPR3DECL(int) SUPR3QueryVTCaps(uint32_t *pCaps);
 
 /** @} */
@@ -1000 +1015 @@
 SUPR0DECL(int) SUPR0PageFree(PSUPDRVSESSION pSession, RTR3PTR pvR3);
 SUPR0DECL(int) SUPR0GipMap(PSUPDRVSESSION pSession, PRTR3PTR ppGipR3, PRTHCPHYS pHCPhysGip);
+SUPR0DECL(int) SUPR0QueryVTCaps(PSUPDRVSESSION pSession, uint32_t *pCaps);
 SUPR0DECL(int) SUPR0GipUnmap(PSUPDRVSESSION pSession);
 SUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...);