Changeset 104848 in vbox for trunk/src/VBox/HostDrivers/Support

Timestamp:

Jun 5, 2024 9:38:20 AM (11 months ago)

Author:

vboxsync

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

163441

Message:

VMM/PGM,SUPDrv,IPRT: Added a RTR0MemObjZeroInitialize function to IPRT/SUPDrv for helping zero initializing MMIO2 backing memory. bugref:10687

Location:

trunk/src/VBox/HostDrivers/Support

Files:

• SUPDrv.cpp (modified) (1 diff)
• SUPDrvIOC.h (modified) (1 diff)
• SUPLib.cpp (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -474 +474 @@
     SUPEXP_STK_OKAY(    1,  RTR0MemObjSize),
     SUPEXP_STK_OKAY(    1,  RTR0MemObjWasZeroInitialized),
+    SUPEXP_STK_OKAY(    2,  RTR0MemObjZeroInitialize),
     SUPEXP_STK_BACK(    3,  RTR0MemUserCopyFrom),
     SUPEXP_STK_BACK(    3,  RTR0MemUserCopyTo),

trunk/src/VBox/HostDrivers/Support/SUPDrvIOC.h

@@ -233 +233 @@
  *          - nothing
  */
-#define SUPDRV_IOC_VERSION                              0x00340000
+#define SUPDRV_IOC_VERSION                              0x00340001
 
 /** SUP_IOCTL_COOKIE. */

trunk/src/VBox/HostDrivers/Support/SUPLib.cpp

@@ -298 +298 @@
         strcpy(CookieReq.u.In.szMagic, SUPCOOKIE_MAGIC);
         CookieReq.u.In.u32ReqVersion = SUPDRV_IOC_VERSION;
-        const uint32_t uMinVersion = /*(SUPDRV_IOC_VERSION & 0xffff0000) == 0x00340000
-                                   ? 0x00340000
-                                   : */ SUPDRV_IOC_VERSION & 0xffff0000;
+        const uint32_t uMinVersion = (SUPDRV_IOC_VERSION & 0xffff0000) == 0x00340000
+                                   ? 0x00340001
+                                   : SUPDRV_IOC_VERSION & 0xffff0000;
         CookieReq.u.In.u32MinVersion = uMinVersion;
         rc = suplibOsIOCtl(&g_supLibData, SUP_IOCTL_COOKIE, &CookieReq, SUP_IOCTL_COOKIE_SIZE);