From: Sean Hefty <sean.hefty@intel.com>
Date: Tue, 13 Jul 2010 22:15:33 +0000 (-0700)
Subject: Refresh of wv-ver
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=1f941a7dd2d51e517f8b83a02e8f7393ab69449e;p=~shefty%2Frdma-win.git

Refresh of wv-ver
---

diff --git a/trunk/core/winverbs/kernel/wv_driver.c b/trunk/core/winverbs/kernel/wv_driver.c
index d5321602..281fdf69 100644
--- a/trunk/core/winverbs/kernel/wv_driver.c
+++ b/trunk/core/winverbs/kernel/wv_driver.c
@@ -127,6 +127,20 @@ void WvCompleteRequestsWithInformation(WDFQUEUE Queue, NTSTATUS ReqStatus)
 	}
 }
 
+static void WvVersionQuery(WDFREQUEST Request)
+{
+	size_t		len = 0;
+	UINT64		*version;
+	NTSTATUS	status;
+
+	status = WdfRequestRetrieveOutputBuffer(Request, sizeof(UINT64), &version, &len);
+	if (NT_SUCCESS(status)) {
+		*version = WV_KERNEL_VERSION;
+	}
+	
+	WdfRequestCompleteWithInformation(Request, status, len);
+}
+
 static void WvGuidQuery(WDFREQUEST Request)
 {
 	WV_IO_GUID_LIST	*list;
@@ -212,6 +226,9 @@ static VOID WvIoDeviceControl(WDFQUEUE Queue, WDFREQUEST Request,
 
 	// TODO: verify this compiles as a jump table, or use function pointers
 	switch (IoControlCode) {
+	case WV_IO_FUNCTION_VERSION_QUERY:
+		WvVersionQuery(Request);
+		break;
 	case WV_IOCTL_GUID_QUERY:
 		WvGuidQuery(Request);
 		break;
diff --git a/trunk/core/winverbs/wv_ioctl.h b/trunk/core/winverbs/wv_ioctl.h
index 7a8701f1..ce091d10 100644
--- a/trunk/core/winverbs/wv_ioctl.h
+++ b/trunk/core/winverbs/wv_ioctl.h
@@ -36,6 +36,8 @@ typedef UINT16 NET16;
 typedef UINT32 NET32;
 typedef UINT64 NET64;
 
+#define WV_KERNEL_VERSION 1
+
 #define WV_IOCTL(f)	CTL_CODE(FILE_DEVICE_INFINIBAND, f, METHOD_BUFFERED,\
 							 FILE_READ_DATA | FILE_WRITE_DATA)
 
@@ -44,7 +46,7 @@ typedef UINT64 NET64;
 #define WV_IO_FUNCTION_BASE				0x800
 
 enum {
-	WV_IO_FUNCTION_MIN,
+	WV_IO_FUNCTION_VERSION_QUERY,
 	WV_IO_FUNCTION_GUID_QUERY,
 	WV_IO_FUNCTION_LIBRARY_QUERY,
 	WV_IO_FUNCTION_DEVICE_OPEN,
@@ -100,6 +102,10 @@ enum {
 	WV_IO_FUNCTION_PD_CANCEL
 };
 
+// none / UINT64 Version
+#define WV_IOCTL_VERSION_QUERY			WV_IOCTL(WV_IO_FUNCTION_BASE + \
+												 WV_IO_FUNCTION_VERSION_QUERY)
+
 // none / WV_IO_GUID_LIST
 #define WV_IOCTL_GUID_QUERY				WV_IOCTL(WV_IO_FUNCTION_BASE + \
 												 WV_IO_FUNCTION_GUID_QUERY)