Changeset 33236 in vbox for trunk/include

Timestamp:

Oct 19, 2010 3:14:42 PM (14 years ago)

Author:

vboxsync

Message:

PCI: MSI-X work

Location:

trunk/include/VBox

Files:

trunk/include/VBox/msi.h

-              r32951
+              r33236
 #define VBOX_MSIX_MAX_ENTRIES                 32
 #define VBOX_MSIX_ENTRY_SIZE                  16
+/* Size of MSI-X PCI capability */
+#define VBOX_MSIX_CAP_SIZE                    12
+/* Offsets in MSI-X PCI capability structure (VBOX_PCI_CAP_ID_MSIX) */
+#define VBOX_MSIX_CAP_MESSAGE_CONTROL         0x02
+#define VBOX_MSIX_TABLE_BIROFFSET             0x04
+#define VBOX_MSIX_PBA_BIROFFSET               0x08
 #endif

-              r32951
+              r33236
 /* MSI-X flags (2 bytes, capability offset 2) */
+#define  VBOX_PCI_MSIX_FLAGS_ENABLE  0x8000
+#define  VBOX_PCI_MSIX_FLAGS_ENABLE   0x8000  /* MSI-X enable */
+#define  VBOX_PCI_MSIX_FLAGS_FUNCMASK 0x4000  /* Function mask */
 /* Power management flags (2 bytes, capability offset 2) */

-              r32935
+              r33236
 typedef struct PDMMSIREG
+{
     /** Number of interrupt vectors */
     uint16_t   cVectors;
+    /** Number of MSI interrupt vectors, 0 if MSI not supported */
+    uint16_t   cMsiVectors;
     /** Offset of MSI capability */
     uint8_t    iCapOffset;
     /** Offset of next capability */
     uint8_t    iNextOffset;
     /** Value to initialize message control register */
+    uint8_t    iMsiCapOffset;
+    /** Offset of next capability to MSI */
+    uint8_t    iMsiNextOffset;
+    /** Value to initialize MSI message control register */
     uint16_t   iMsiFlags;
+    /** Number of MSI-X interrupt vectors, 0 if MSI-X not supported */
+    uint16_t   cMsixVectors;
+    /** Offset of MSI-X capability */
+    uint8_t    iMsixCapOffset;
+    /** Offset of next capability to MSI-X */
+    uint8_t    iMsixNextOffset;
+    /** Value to initialize MSI-X message control register */
+    uint16_t   iMsixFlags;
 } PDMMSIREG;
 typedef PDMMSIREG *PPDMMSIREG;

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