Changeset 92170 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Nov 1, 2021 10:06:25 PM (3 years ago)

Author:

vboxsync

Message:

VMM/PGM,NEM: Let NEM handle dirty VRAM (MMIO2) page tracking. Saves lots of exits when using the VBoxVGA device or VMSVGA in non-VMSVGA mode. Added a 32-bit NEM field to the PGMRAMRANGE structure called uNemRange. bugref:10122

Location:

trunk/src/VBox/VMM/include

Files:

• NEMInternal.h (modified) (1 diff)
• PGMInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/NEMInternal.h

@@ -217 +217 @@
     STAMCOUNTER                 StatMapPageFailed;
     STAMCOUNTER                 StatUnmapPageFailed;
+#  ifdef VBOX_WITH_PGM_NEM_MODE
+    STAMPROFILE                 StatProfMapGpaRange;
+    STAMPROFILE                 StatProfUnmapGpaRange;
+    STAMPROFILE                 StatProfQueryGpaRangeDirtyBitmap;
+#  endif
+#  ifndef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
+    STAMPROFILE                 StatProfMapGpaRangePage;
+    STAMPROFILE                 StatProfUnmapGpaRangePage;
+#  endif
 
 #  ifdef NEM_WIN_USE_HYPERCALLS_FOR_PAGES

trunk/src/VBox/VMM/include/PGMInternal.h

@@ -1179 +1179 @@
     /** PGM_RAM_RANGE_FLAGS_* flags. */
     uint32_t                            fFlags;
-    uint32_t                            fPadding1;
+    /** NEM specific info, UINT32_MAX if not used. */
+    uint32_t                            uNemRange;
     /** Last address in the range (inclusive). Page aligned (-1). */
     RTGCPHYS                            GCPhysLast;
@@ -1421 +1422 @@
      * reduced during saved state loading. */
     RTGCPHYS                            cbReal;
-    /** Pointer to the physical handler for MMIO. */
+    /** Pointer to the physical handler for MMIO.
+     * If NEM is responsible for tracking dirty pages in simple memory mode, this
+     * will be NULL. */
     R3PTRTYPE(PPGMPHYSHANDLER)          pPhysHandlerR3;
     /** Live save per page tracking data for MMIO2. */