Changeset 29307 in vbox for trunk/src/VBox/Devices/VMMDev

Timestamp:

May 10, 2010 3:18:22 PM (15 years ago)

Author:

vboxsync

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

61395

Message:

Shared paging interface updates

Location:

trunk/src/VBox/Devices/VMMDev

Files:

• VMMDev.cpp (modified) (4 diffs)
• VMMDevState.h (modified) (1 diff)

trunk/src/VBox/Devices/VMMDev/VMMDev.cpp

@@ -1772 +1772 @@
             else
             {
-                pRequestHeader->rc = PGMR3SharedModuleRegister(pVM, pReqModule->GCBaseAddr, pReqModule->cbModule,
+                pRequestHeader->rc = PGMR3SharedModuleRegister(pVM, pReqModule->enmGuestOS, pReqModule->GCBaseAddr, pReqModule->cbModule,
                                                                pReqModule->szName, pReqModule->szVersion,
                                                                pReqModule->cRegions, pReqModule->aRegions);
@@ -1806 +1806 @@
             {
                 pRequestHeader->rc = PGMR3SharedModuleCheck(pVM);
+            }
+            break;
+        }
+
+        case VMMDevReq_GetPageSharingStatus:
+        {
+            VMMDevPageSharingStatusRequest *pReqStatus = (VMMDevPageSharingStatusRequest *)pRequestHeader;
+
+            if (pRequestHeader->size != sizeof(VMMDevPageSharingStatusRequest)
+            {
+                pRequestHeader->rc = VERR_INVALID_PARAMETER;
+            }
+            else
+            {
+                pRequestHeader->rc = pThis->fPageSharingEnabled;
             }
             break;
@@ -2184 +2199 @@
     }
 
+    PDMCritSectLeave(&pThis->CritSect);
+    return VINF_SUCCESS;
+}
+
+static DECLCALLBACK(int) vmmdevEnablePageSharing(PPDMIVMMDEVPORT pInterface, bool fEnabled)
+{
+    VMMDevState *pThis = IVMMDEVPORT_2_VMMDEVSTATE(pInterface);
+    PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
+
+    Log(("vmmdevEnablePageSharing: old=%d. new=%d\n", pThis->fPageSharingEnabled, fEnabled));
+    pThis->fPageSharingEnabled = fEnabled;
     PDMCritSectLeave(&pThis->CritSect);
     return VINF_SUCCESS;
@@ -2738 +2764 @@
     pThis->IPort.pfnRequestSeamlessChange  = vmmdevRequestSeamlessChange;
     pThis->IPort.pfnSetMemoryBalloon       = vmmdevSetMemoryBalloon;
+    pThis->IPort.pfnEnablePageSharing      = vmmdevEnablePageSharing;
     pThis->IPort.pfnSetStatisticsInterval  = vmmdevSetStatisticsInterval;
     pThis->IPort.pfnVRDPChange             = vmmdevVRDPChange;

trunk/src/VBox/Devices/VMMDev/VMMDevState.h

@@ -171 +171 @@
     bool fLastSeamlessEnabled, fSeamlessEnabled;
 
+    /* shared paging change request. */
+    bool fPageSharingEnabled;
+
     bool fVRDPEnabled;
     uint32_t u32VRDPExperienceLevel;