Changeset 33314 in vbox for trunk/src/VBox/Devices/VirtIO

Timestamp:

Oct 21, 2010 3:51:17 PM (15 years ago)

Author:

vboxsync

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

66890

Message:

PCI, PDM: MSI-X support (absolutely untested)

File:

• trunk/src/VBox/Devices/VirtIO/Virtio.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/VirtIO/Virtio.cpp

@@ -782 +782 @@
     /* Interrupt Pin: INTA# */
     vpciCfgSetU8( pci, VBOX_PCI_INTERRUPT_PIN,        0x01);
+
+#ifdef VBOX_WITH_MSI_DEVICES
+    PCIDevSetCapabilityList     (&pci, 0x80);
+    PCIDevSetStatus             (&pci, VBOX_PCI_STATUS_CAP_LIST);
+#endif
 }
 
@@ -825 +830 @@
     if (RT_FAILURE(rc))
         return rc;
+
+#ifdef VBOX_WITH_MSI_DEVICES
+#if 0
+    {
+        PDMMSIREG aMsiReg;
+
+        RT_ZERO(aMsiReg);
+        aMsiReg.cMsixVectors = 1;
+        aMsiReg.iMsixCapOffset = 0x80;
+        aMsiReg.iMsixNextOffset = 0x0;
+        aMsiReg.iMsixBar = 0;
+        rc = PDMDevHlpPCIRegisterMsi(pDevIns, &aMsiReg);
+        if (RT_FAILURE (rc))
+            PCIDevSetCapabilityList(&pState->pciDevice, 0x0);
+    }
+#endif
+#endif
 
     /* Status driver */