*/
-#pragma once
-
-/* #include <vmbuspacketformat.h> */
-/* #include <ntddscsi.h> */
-
-#define C_ASSERT(x)
-
-/* public interface to the server */
-
-
-
-/* Storvsp device interface guid */
-
-
-
-
-/* Protocol versions. */
-
-
/* 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 $) + 11; \
- RESULT_LVALUE_ = 0; \
- while (*revisionString >= '0' && *revisionString <= '9') \
- { \
- RESULT_LVALUE_ *= 10; \
- RESULT_LVALUE_ += *revisionString - '0'; \
- revisionString++; \
- } \
+#define FILL_VMSTOR_REVISION(RESULT_LVALUE_) \
+{ \
+ char *revisionString = REVISION_STRING($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) ))
-
-
-/* Invalid version. */
-
-
-#define VMSTOR_INVALID_PROTOCOL_VERSION -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) + \
+#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
-
+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 */
-
-
-
-#pragma pack(push,1)
-
+/*
+ * 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
+#define CDB16GENERIC_LENGTH 0x10
#ifndef SENSE_BUFFER_SIZE
-#define SENSE_BUFFER_SIZE 0x12
+#define SENSE_BUFFER_SIZE 0x12
#endif
-C_ASSERT(SENSE_BUFFER_SIZE == 0x12);
-#define MAX_DATA_BUFFER_LENGTH_WITH_PADDING 0x14
+#define MAX_DATA_BUFFER_LENGTH_WITH_PADDING 0x14
-typedef struct
-{
- unsigned short Length;
- unsigned char SrbStatus;
- unsigned char ScsiStatus;
+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 PortNumber;
+ unsigned char PathId;
+ unsigned char TargetId;
+ unsigned char Lun;
- unsigned char CdbLength;
- unsigned char SenseInfoLength;
- unsigned char DataIn;
- unsigned char Reserved;
+ unsigned char CdbLength;
+ unsigned char SenseInfoLength;
+ unsigned char DataIn;
+ unsigned char Reserved;
- unsigned int DataTransferLength;
+ unsigned int DataTransferLength;
- union
- {
+ union {
unsigned char Cdb[CDB16GENERIC_LENGTH];
unsigned char SenseData[SENSE_BUFFER_SIZE];
unsigned char ReservedArray[MAX_DATA_BUFFER_LENGTH_WITH_PADDING];
- };
-
-} VMSCSI_REQUEST, *PVMSCSI_REQUEST;
-
-C_ASSERT((sizeof(VMSCSI_REQUEST) % 4) == 0);
-
-
-
-/* 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 */
+ };
+} __attribute((packed)) VMSCSI_REQUEST, *PVMSCSI_REQUEST;
- unsigned long long UniqueId;
-
-} VMSTORAGE_CHANNEL_PROPERTIES, *PVMSTORAGE_CHANNEL_PROPERTIES;
-
-C_ASSERT((sizeof(VMSTORAGE_CHANNEL_PROPERTIES) % 4) == 0);
+/*
+ * 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;
-
-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;
-
-} VMSTORAGE_PROTOCOL_VERSION, *PVMSTORAGE_PROTOCOL_VERSION;
-
-C_ASSERT((sizeof(VMSTORAGE_PROTOCOL_VERSION) % 4) == 0);
-
+ /*
+ * 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;
-#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;
+ /* Flags - see below for values */
+ unsigned int Flags;
+ /* Status of the request returned from the server side. */
+ unsigned int Status;
- /* Status of the request returned from the server side. */
+ /* 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;
- unsigned int Status;
+ /* Used during version negotiations. */
+ VMSTORAGE_PROTOCOL_VERSION Version;
+ };
+} __attribute__((packed)) VSTOR_PACKET, *PVSTOR_PACKET;
- /* Data payload area */
- union
- {
+/* Packet flags */
- /* 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;
- };
-
-} VSTOR_PACKET, *PVSTOR_PACKET;
-
-C_ASSERT((sizeof(VSTOR_PACKET) % 4) == 0);
-
-
-/* Packet flags */
-
-
-
-/* This flag indicates that the server should send back a completion for this */
-/* packet. */
-
-
-#define REQUEST_COMPLETION_FLAG 0x1
+/*
+ * 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)
-
-
-#pragma pack(pop)
+#define VSC_LEGAL_FLAGS (REQUEST_COMPLETION_FLAG)
projects / linux-beck.git / commitdiff