[COMMIT] [viostor] define msi-x capability structure

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>From 1905fd5c8eda618c5b15872d0070e73d193bdc08 Mon Sep 17 00:00:00 2001
From: Vadim Rozenfeld <vrozenfe@xxxxxxxxxx>
Date: Mon, 2 May 2011 13:32:36 +0300
Subject: [COMMIT] [viostor] define msi-x capability structure

---
 viostor/virtio_stor.h |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/viostor/virtio_stor.h b/viostor/virtio_stor.h
index 85cf090..a129c5c 100644
--- a/viostor/virtio_stor.h
+++ b/viostor/virtio_stor.h
@@ -136,6 +136,32 @@ VirtIoInterrupt(
     IN PVOID DeviceExtension
     );
 
+#ifdef MSI_SUPPORTED
+#ifndef PCIX_TABLE_POINTER
+typedef struct {
+  union {
+    struct {
+      ULONG BaseIndexRegister :3;
+      ULONG Reserved          :29;
+    };
+    ULONG TableOffset;
+  };
+} PCIX_TABLE_POINTER, *PPCIX_TABLE_POINTER;
+#endif
 
+#ifndef PCI_MSIX_CAPABILITY
+typedef struct {
+  PCI_CAPABILITIES_HEADER Header;
+  struct {
+    USHORT TableSize      :11;
+    USHORT Reserved       :3;
+    USHORT FunctionMask   :1;
+    USHORT MSIXEnable     :1;
+  } MessageControl;
+  PCIX_TABLE_POINTER      MessageTable;
+  PCIX_TABLE_POINTER      PBATable;
+} PCI_MSIX_CAPABILITY, *PPCI_MSIX_CAPABILITY;
+#endif
+#endif
 
 #endif ___VIOSTOR__H__
-- 
1.7.0.2.msysgit.0


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