vbox的更動 4492 路徑 trunk/src/VBox/Devices/VMMDev

時間撮記:

2007-9-3 下午12:10:30 (17 年 以前)

作者:

vboxsync

訊息:

Continued Main-VMMDev work on memory ballooning.

位置:

trunk/src/VBox/Devices/VMMDev

檔案:

• VBoxDev.cpp (修改) (4 筆差異)
• VMMDevState.h (修改) (1 筆差異)

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

@@ -1179 +1179 @@
 
 
+        case VMMDevReq_GetMemBalloonChangeRequest:
+        {
+            Log(("VMMDevReq_GetMemBalloonChangeRequest\n"));
+            if (requestHeader->size != sizeof(VMMDevGetMemBalloonChangeRequest))
+            {
+                requestHeader->rc = VERR_INVALID_PARAMETER;
+            }
+            else
+            {
+                VMMDevGetMemBalloonChangeRequest *memBalloonChangeRequest = (VMMDevGetMemBalloonChangeRequest*)requestHeader;
+                /* just pass on the information */
+                Log(("VMMDev: returning memory balloon size =%d\n", pData->u32MemoryBalloonSize));
+                memBalloonChangeRequest->u32BalloonSize = pData->u32MemoryBalloonSize;
+
+                if (memBalloonChangeRequest->eventAck == VMMDEV_EVENT_BALLOON_CHANGE_REQUEST)
+                {
+                    /* Remember which mode the client has queried. */
+                    pData->u32LastMemoryBalloonSize = pData->u32MemoryBalloonSize;
+                }
+
+                requestHeader->rc = VINF_SUCCESS;
+            }
+            break;
+        }
+
+        case VMMDevReq_ReportGuestStats:
+        {
+            Log(("VMMDevReq_ReportGuestStats\n"));
+            if (requestHeader->size != sizeof(VMMDevReportGuestStats))
+            {
+                requestHeader->rc = VERR_INVALID_PARAMETER;
+            }
+            else
+            {
+                VMMDevReportGuestStats *stats = (VMMDevReportGuestStats*)requestHeader;
+
+                /* Update the last known memory balloon size */
+                if (stats->guestStats.u32StatCaps & VBOX_GUEST_STAT_PHYS_MEM_BALLOON)
+                    pData->u32LastMemoryBalloonSize = stats->guestStats.u32PhysMemBalloon;
+
+                /* forward the call */
+                requestHeader->rc = pData->pDrv->pfnReportStatistics(pData->pDrv, &stats->guestStats);
+            }
+            break;
+        }
+
         case VMMDevReq_QueryCredentials:
         {
@@ -1625 +1671 @@
         /* IRQ so the guest knows what's going on */
         VMMDevNotifyGuest (pData, VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST);
+    }
+
+    return VINF_SUCCESS;
+}
+
+static DECLCALLBACK(int) vmmdevSetMemoryBalloon(PPDMIVMMDEVPORT pInterface, uint32_t ulBalloonSize)
+{
+    VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface);
+
+    /* Verify that the new resolution is different and that guest does not yet know about it. */
+    bool fSame = (pData->u32LastMemoryBalloonSize == ulBalloonSize);
+
+    Log(("vmmdevSetMemoryBalloon: old=%d. new=%d\n", pData->u32LastMemoryBalloonSize, ulBalloonSize));
+
+    if (!fSame)
+    {
+        /* we could validate the information here but hey, the guest can do that as well! */
+        pData->u32MemoryBalloonSize = ulBalloonSize;
+
+        /* IRQ so the guest knows what's going on */
+        VMMDevNotifyGuest (pData, VMMDEV_EVENT_BALLOON_CHANGE_REQUEST);
     }
 
@@ -1917 +1984 @@
     pData->Port.pfnVBVAChange             = vmmdevVBVAChange;
     pData->Port.pfnRequestSeamlessChange  = vmmdevRequestSeamlessChange;
+    pData->Port.pfnSetMemoryBalloon       = vmmdevSetMemoryBalloon;
 
     /* Shared folder LED */
@@ -2045 +2113 @@
     /* disable seamless mode */
     pData->fLastSeamlessEnabled = false;
+
+    /* disabled memory ballooning */
+    pData->u32LastMemoryBalloonSize = 0;
 
     /* Clear the event variables.

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

@@ -132 +132 @@
     } credentialsJudge;
 
+    /* memory balloon change request */
+    uint32_t    u32MemoryBalloonSize, u32LastMemoryBalloonSize;
+
     /* seamless mode change request */
     bool fLastSeamlessEnabled, fSeamlessEnabled;