Changeset 4532 in vbox for trunk

Timestamp:

Sep 5, 2007 1:13:07 PM (17 years ago)

Author:

vboxsync

Message:

Memory balloon size change updates

Location:

trunk

Files:

trunk/include/VBox/VBoxGuest.h

-              r4524
+              r4532
     VMMDevReq_GetMemBalloonChangeRequest = 111,
     VMMDevReq_GetStatisticsChangeRequest = 112,
+    VMMDevReq_ChangeMemBalloon           = 113,
     VMMDevReq_LogString                  = 200,
     VMMDevReq_SizeHack                   = 0x7fffffff
 …
     uint32_t            eventAck;
 } VMMDevGetMemBalloonChangeRequest;
+/** inflate/deflate memory balloon structure */
+typedef struct
+{
+    /** header */
+    VMMDevRequestHeader header;
+    uint32_t            cPages;
+    uint32_t            fInflate;       /* true = inflate, false = defalte */
+    RTGCPHYS            aPhysPage[1];   /* variable size */
+} VMMDevChangeMemBalloon;
 /** guest statistics interval change request structure */
 …
         case VMMDevReq_GetStatisticsChangeRequest:
             return sizeof(VMMDevGetStatisticsChangeRequest);
+        case VMMDevReq_ChangeMemBalloon:
+            return sizeof(VMMDevChangeMemBalloon);
         case VMMDevReq_LogString:
             return sizeof(VMMDevReqLogString);

-              r4524
+              r4532
     DECLR3CALLBACKMEMBER(int, pfnReportStatistics,(PPDMIVMMDEVCONNECTOR pInterface, struct VBoxGuestStatistics *pGuestStats));
+    /**
+     * Inflate or deflate the memory balloon
+     *
+     * @returns VBox status code.
+     * @param   pInterface          Pointer to this interface.
+     * @param   fInflate            Inflate or deflate
+     * @param   cPages              Number of physical pages (must be 256 as we allocate in 1 MB chunks)
+     * @param   aPhysPage           Array of physical page addresses
+     * @thread  The emulation thread.
+     */
+    DECLR3CALLBACKMEMBER(int, pfnChangeMemoryBalloon, (PPDMIVMMDEVCONNECTOR pInterface, bool fInflate, uint32_t cPages, RTGCPHYS *aPhysPage));
 } PDMIVMMDEVCONNECTOR;

-              r4524
+              r4532
                 requestHeader->rc = VINF_SUCCESS;
+            }
+            break;
+        }
+        case VMMDevReq_ChangeMemBalloon:
+        {
+            VMMDevChangeMemBalloon *memBalloonChange = (VMMDevChangeMemBalloon*)requestHeader;
+            Log(("VMMDevReq_ChangeMemBalloon\n"));
+            if (    requestHeader->size < sizeof(VMMDevChangeMemBalloon)
+                ||  requestHeader->size != RT_OFFSETOF(VMMDevChangeMemBalloon, aPhysPage[memBalloonChange->cPages]))
+            {
+                AssertFailed();
+                requestHeader->rc = VERR_INVALID_PARAMETER;
+            }
+            else
+            {
+                requestHeader->rc = pData->pDrv->pfnChangeMemoryBalloon(pData->pDrv, !!memBalloonChange->fInflate, memBalloonChange->cPages, memBalloonChange->aPhysPage);
+            }
             break;

-              r4513
+              r4532
         guest->SetStatistic(GuestStatisticType_PageFileSize, pGuestStats->u32PageFileSize);
+    return VINF_SUCCESS;
+}
+/**
+ * Inflate or deflate the memory balloon
+ *
+ * @returns VBox status code.
+ * @param   pInterface          Pointer to this interface.
+ * @param   fInflate            Inflate or deflate
+ * @param   cPages              Number of physical pages (must be 256 as we allocate in 1 MB chunks)
+ * @param   aPhysPage           Array of physical page addresses
+ * @thread  The emulation thread.
+ */
+DECLCALLBACK(int) vmmdevChangeMemoryBalloon(PPDMIVMMDEVCONNECTOR pInterface, bool fInflate, uint32_t cPages, RTGCPHYS *aPhysPage)
+{
+    if (    cPages != 256
+        ||  !aPhysPage)
+        return VERR_INVALID_PARAMETER;
+    AssertMsgFailed(("vmmdevChangeMemoryBalloon @todo\n"));
     return VINF_SUCCESS;
+}
 …
     pData->Connector.pfnReportStatistics              = vmmdevReportStatistics;
     pData->Connector.pfnQueryStatisticsInterval       = vmmdevQueryStatisticsInterval;
+    pData->Connector.pfnChangeMemoryBalloon           = vmmdevChangeMemoryBalloon;
 #ifdef VBOX_HGCM

Note: See TracChangeset for help on using the changeset viewer.