Changeset 64327 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Oct 19, 2016 5:42:18 PM (9 years ago)

Author:

vboxsync

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

111406

Message:

PGM: Allow pre-registered MMIO regions up to 1TB in size by using multiple registration chunks (just like we do for RAM). The limits are now defined in VBox/param.h instead of being hardcoded in the sources.

File:

• trunk/src/VBox/VMM/include/PGMInternal.h (modified) (4 diffs)

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

@@ -1709 +1709 @@
     /** Pointer to the next range - R3. */
     R3PTRTYPE(struct PGMREGMMIORANGE *) pNextR3;
-    /** Whether this is MMIO2 or plain MMIO. */
-    bool                                fMmio2;
-    /** Whether it's mapped or not. */
-    bool                                fMapped;
-    /** Whether it's overlapping or not. */
-    bool                                fOverlapping;
+    /** Flags (PGMREGMMIORANGE_F_XXX). */
+    uint16_t                            fFlags;
     /** The PCI region number.
      * @remarks This ASSUMES that nobody will ever really need to have multiple
@@ -1724 +1720 @@
     uint8_t                             idMmio2;
     /** Alignment padding for putting the ram range on a PGMPAGE alignment boundary. */
-    uint8_t                             abAlignment[HC_ARCH_BITS == 32 ? 6 : 2];
+    uint8_t                             abAlignment[HC_ARCH_BITS == 32 ? 7 : 3];
     /** Pointer to the physical handler for MMIO. */
     R3PTRTYPE(PPGMPHYSHANDLER)          pPhysHandlerR3;
@@ -1735 +1731 @@
 /** Pointer to a MMIO2 or pre-registered MMIO range. */
 typedef PGMREGMMIORANGE *PPGMREGMMIORANGE;
+
+/** @name PGMREGMMIORANGE_F_XXX - Registered MMIO range flags.
+ * @{ */
+/** Set if it's an MMIO2 range. */
+#define PGMREGMMIORANGE_F_MMIO2             UINT16_C(0x0001)
+/** Set if this is the first chunk in the MMIO2 range. */
+#define PGMREGMMIORANGE_F_FIRST_CHUNK       UINT16_C(0x0002)
+/** Set if this is the last chunk in the MMIO2 range. */
+#define PGMREGMMIORANGE_F_LAST_CHUNK        UINT16_C(0x0004)
+/** Set if the whole range is mapped. */
+#define PGMREGMMIORANGE_F_MAPPED            UINT16_C(0x0008)
+/** Set if it's overlapping, clear if not. */
+#define PGMREGMMIORANGE_F_OVERLAPPING       UINT16_C(0x0010)
+/** @} */
+
 
 /** @name Internal MMIO2 constants.
@@ -4146 +4157 @@
 int             pgmHandlerPhysicalExCreate(PVM pVM, PGMPHYSHANDLERTYPE hType, RTR3PTR pvUserR3, RTR0PTR pvUserR0,
                                            RTRCPTR pvUserRC, R3PTRTYPE(const char *) pszDesc, PPGMPHYSHANDLER *ppPhysHandler);
+int             pgmHandlerPhysicalExDup(PVM pVM, PPGMPHYSHANDLER pPhysHandlerSrc, PPGMPHYSHANDLER *ppPhysHandler);
 int             pgmHandlerPhysicalExRegister(PVM pVM, PPGMPHYSHANDLER pPhysHandler, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast);
 int             pgmHandlerPhysicalExDeregister(PVM pVM, PPGMPHYSHANDLER pPhysHandler);