Changeset 33314 in vbox for trunk/include

Timestamp:

Oct 21, 2010 3:51:17 PM (14 years ago)

Author:

vboxsync

Message:

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

Location:

trunk/include/VBox

Files:

• msi.h (modified) (1 diff)
• pci.h (modified) (1 diff)
• pdmdev.h (modified) (1 diff)

trunk/include/VBox/msi.h

@@ -115 +115 @@
 #define VBOX_MSIX_TABLE_BIROFFSET             0x04
 #define VBOX_MSIX_PBA_BIROFFSET               0x08
+/* Size of single MSI-X table entry */
+#define VBOX_MSIX_ENTRY_SIZE                  16
+
 
 #endif

trunk/include/VBox/pci.h

@@ -518 +518 @@
         PCIDEVICEINT        s;
 #endif
-        char                padding[256];
+        char                padding[288];
     } Int;
 

trunk/include/VBox/pdmdev.h

@@ -437 +437 @@
     /** Offset of next capability to MSI-X */
     uint8_t    iMsixNextOffset;
-    /** Value to initialize MSI-X message control register */
-    uint16_t   iMsixFlags;
+    /** Value of PCI BAR (base addresss register) assigned by device for MSI-X page access */
+    uint8_t    iMsixBar;
 } PDMMSIREG;
 typedef PDMMSIREG *PPDMMSIREG;