Staging: hv: move vstorage.h to hv dir

Move it out of the include subdir, it doesn't need to
be there.

No code was changed in the move.

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 204 insertions, 0 deletions

diff --git a/drivers/staging/hv/vstorage.h b/drivers/staging/hv/vstorage.h
new file mode 100644
index 00000000000..dc04185ba80
--- /dev/null
+++ b/drivers/staging/hv/vstorage.h
@@ -0,0 +1,204 @@
+/*
+ *
+ * Copyright (c) 2009, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ *   Haiyang Zhang <haiyangz@microsoft.com>
+ *   Hank Janssen  <hjanssen@microsoft.com>
+ *
+ */
+
+
+
+/* vstorage.w revision number.  This is used in the case of a version match, */
+/* to alert the user that structure sizes may be mismatched even though the */
+/* protocol versions match. */
+
+#define REVISION_STRING(REVISION_) #REVISION_
+#define FILL_VMSTOR_REVISION(RESULT_LVALUE_)				\
+{									\
+	char *revisionString = REVISION_STRING($Revision: 6 $) + 11;	\
+	RESULT_LVALUE_ = 0;						\
+	while (*revisionString >= '0' && *revisionString <= '9') {	\
+		RESULT_LVALUE_ *= 10;					\
+		RESULT_LVALUE_ += *revisionString - '0';		\
+		revisionString++;					\
+	}								\
+}
+
+/* Major/minor macros.  Minor version is in LSB, meaning that earlier flat */
+/* version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). */
+#define VMSTOR_PROTOCOL_MAJOR(VERSION_)		(((VERSION_) >> 8) & 0xff)
+#define VMSTOR_PROTOCOL_MINOR(VERSION_)		(((VERSION_))      & 0xff)
+#define VMSTOR_PROTOCOL_VERSION(MAJOR_, MINOR_)	((((MAJOR_) & 0xff) << 8) | \
+						 (((MINOR_) & 0xff)))
+#define VMSTOR_INVALID_PROTOCOL_VERSION		(-1)
+
+/* Version history: */
+/* V1 Beta                    0.1 */
+/* V1 RC < 2008/1/31          1.0 */
+/* V1 RC > 2008/1/31          2.0 */
+#define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(2, 0)
+
+
+
+
+/*  This will get replaced with the max transfer length that is possible on */
+/*  the host adapter. */
+/*  The max transfer length will be published when we offer a vmbus channel. */
+#define MAX_TRANSFER_LENGTH	0x40000
+#define DEFAULT_PACKET_SIZE (sizeof(VMDATA_GPA_DIRECT) +		\
+			     sizeof(VSTOR_PACKET) +			\
+			     (sizeof(u64) * (MAX_TRANSFER_LENGTH / PAGE_SIZE)))
+
+
+/*  Packet structure describing virtual storage requests. */
+typedef enum {
+	VStorOperationCompleteIo            = 1,
+	VStorOperationRemoveDevice          = 2,
+	VStorOperationExecuteSRB            = 3,
+	VStorOperationResetLun              = 4,
+	VStorOperationResetAdapter          = 5,
+	VStorOperationResetBus              = 6,
+	VStorOperationBeginInitialization   = 7,
+	VStorOperationEndInitialization     = 8,
+	VStorOperationQueryProtocolVersion  = 9,
+	VStorOperationQueryProperties       = 10,
+	VStorOperationMaximum               = 10
+} VSTOR_PACKET_OPERATION;
+
+
+
+/*
+ * Platform neutral description of a scsi request -
+ * this remains the same across the write regardless of 32/64 bit
+ * note: it's patterned off the SCSI_PASS_THROUGH structure
+ */
+
+#define CDB16GENERIC_LENGTH			0x10
+
+#ifndef SENSE_BUFFER_SIZE
+#define SENSE_BUFFER_SIZE			0x12
+#endif
+
+#define MAX_DATA_BUFFER_LENGTH_WITH_PADDING	0x14
+
+
+typedef struct {
+	unsigned short Length;
+	unsigned char SrbStatus;
+	unsigned char ScsiStatus;
+
+	unsigned char PortNumber;
+	unsigned char PathId;
+	unsigned char TargetId;
+	unsigned char Lun;
+
+	unsigned char CdbLength;
+	unsigned char SenseInfoLength;
+	unsigned char DataIn;
+	unsigned char Reserved;
+
+	unsigned int DataTransferLength;
+
+	union {
+	unsigned char Cdb[CDB16GENERIC_LENGTH];
+
+	unsigned char SenseData[SENSE_BUFFER_SIZE];
+
+	unsigned char ReservedArray[MAX_DATA_BUFFER_LENGTH_WITH_PADDING];
+	};
+} __attribute((packed)) VMSCSI_REQUEST, *PVMSCSI_REQUEST;
+
+
+/*
+ * This structure is sent during the intialization phase to get the different
+ * properties of the channel.
+ */
+typedef struct {
+	unsigned short ProtocolVersion;
+	unsigned char  PathId;
+	unsigned char  TargetId;
+
+	/* Note: port number is only really known on the client side */
+	unsigned int  PortNumber;
+	unsigned int  Flags;
+	unsigned int  MaxTransferBytes;
+
+	/*  This id is unique for each channel and will correspond with */
+	/*  vendor specific data in the inquirydata */
+	unsigned long long UniqueId;
+} __attribute__((packed)) VMSTORAGE_CHANNEL_PROPERTIES, *PVMSTORAGE_CHANNEL_PROPERTIES;
+
+/*  This structure is sent during the storage protocol negotiations. */
+typedef struct {
+	/* Major (MSW) and minor (LSW) version numbers. */
+	unsigned short MajorMinor;
+
+	/*
+	 * Revision number is auto-incremented whenever this file is changed
+	 * (See FILL_VMSTOR_REVISION macro above).  Mismatch does not
+	 * definitely indicate incompatibility--but it does indicate mismatched
+	 * builds.
+	 */
+	unsigned short Revision;
+} __attribute__((packed)) VMSTORAGE_PROTOCOL_VERSION, *PVMSTORAGE_PROTOCOL_VERSION;
+
+
+/* Channel Property Flags */
+#define STORAGE_CHANNEL_REMOVABLE_FLAG		0x1
+#define STORAGE_CHANNEL_EMULATED_IDE_FLAG	0x2
+
+typedef struct _VSTOR_PACKET {
+	/* Requested operation type */
+	VSTOR_PACKET_OPERATION Operation;
+
+	/*  Flags - see below for values */
+	unsigned int     Flags;
+
+	/* Status of the request returned from the server side. */
+	unsigned int     Status;
+
+	/* Data payload area */
+	union {
+		/*
+		 * Structure used to forward SCSI commands from the
+		 * client to the server.
+		 */
+		VMSCSI_REQUEST VmSrb;
+
+		/* Structure used to query channel properties. */
+		VMSTORAGE_CHANNEL_PROPERTIES StorageChannelProperties;
+
+		/* Used during version negotiations. */
+		VMSTORAGE_PROTOCOL_VERSION Version;
+	};
+
+} __attribute__((packed)) VSTOR_PACKET, *PVSTOR_PACKET;
+
+
+
+/* Packet flags */
+
+
+/*
+ * This flag indicates that the server should send back a completion for this
+ * packet.
+ */
+#define REQUEST_COMPLETION_FLAG	0x1
+
+/*  This is the set of flags that the vsc can set in any packets it sends */
+#define VSC_LEGAL_FLAGS		(REQUEST_COMPLETION_FLAG)