Changeset 68470 in vbox for trunk/src/VBox/VMM/VMMRC

Timestamp:

Aug 18, 2017 2:05:49 PM (7 years ago)

Author:

vboxsync

Message:

PDM: add new PDM device helper for sending a MSI directly (from all contexts, as all contexts support such interrupt delivery)

File:

• trunk/src/VBox/VMM/VMMRC/PDMRCDevice.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMRC/PDMRCDevice.cpp

@@ -204 +204 @@
     pdmUnlock(pVM);
     LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
+}
+
+
+/** @interface_method_impl{PDMDEVHLPRC,pfnIoApicSendMsi} */
+static DECLCALLBACK(void) pdmRCDevHlp_IoApicSendMsi(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, uint32_t uValue)
+{
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    LogFlow(("pdmRCDevHlp_IoApicSendMsi: caller=%p/%d: GCPhys=%RGp uValue=%#x\n", pDevIns, pDevIns->iInstance, GCPhys, uValue));
+    PVM pVM = pDevIns->Internal.s.pVMRC;
+
+    uint32_t uTagSrc;
+    pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
+    VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
+
+    if (pVM->pdm.s.IoApic.pDevInsRC)
+        pVM->pdm.s.IoApic.pfnSendMsiRC(pVM->pdm.s.IoApic.pDevInsRC, GCPhys, uValue, uTagSrc);
+    else
+        AssertFatalMsgFailed(("Lazy bastards!"));
+
+    LogFlow(("pdmRCDevHlp_IoApicSendMsi: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
 }
 
@@ -405 +425 @@
     pdmRCDevHlp_TMTimeVirtGetNano,
     pdmRCDevHlp_DBGFTraceBuf,
-    NULL,
+    pdmRCDevHlp_IoApicSendMsi,
     NULL,
     NULL,
@@ -587 +607 @@
         pVM->pdm.s.IoApic.pfnSendMsiRC(pVM->pdm.s.IoApic.pDevInsRC, GCPhys, uValue, uTagSrc);
     else
-        AssertFatalMsgFailed(("Lazy bastarts!"));
+        AssertFatalMsgFailed(("Lazy bastards!"));
 }