megaraid_sas : add endianness annotations

This adds endianness annotations to all data structures, and a few
variables directly referencing them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

1 files changed, 138 insertions, 138 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index c66194ebd118..ced6dc0cf8e8 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -104,18 +104,18 @@ struct RAID_CONTEXT {
 	u8	nseg:4;
 #endif
 	u8	resvd0;
-	u16     timeoutValue;
+	__le16	timeoutValue;
 	u8      regLockFlags;
 	u8      resvd1;
-	u16     VirtualDiskTgtId;
-	u64     regLockRowLBA;
-	u32     regLockLength;
-	u16     nextLMId;
+	__le16	VirtualDiskTgtId;
+	__le64	regLockRowLBA;
+	__le32	regLockLength;
+	__le16	nextLMId;
 	u8      exStatus;
 	u8      status;
 	u8      RAIDFlags;
 	u8      numSGE;
-	u16	configSeqNum;
+	__le16	configSeqNum;
 	u8      spanArm;
 	u8      resvd2[3];
 };
@@ -182,61 +182,61 @@ enum REGION_TYPE {
 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
 
 struct MPI25_IEEE_SGE_CHAIN64 {
-	u64                     Address;
-	u32                     Length;
-	u16                     Reserved1;
+	__le64			Address;
+	__le32			Length;
+	__le16			Reserved1;
 	u8                      NextChainOffset;
 	u8                      Flags;
 };
 
 struct MPI2_SGE_SIMPLE_UNION {
-	u32                     FlagsLength;
+	__le32                     FlagsLength;
 	union {
-		u32                 Address32;
-		u64                 Address64;
+		__le32                 Address32;
+		__le64                 Address64;
 	} u;
 };
 
 struct MPI2_SCSI_IO_CDB_EEDP32 {
 	u8                      CDB[20];                    /* 0x00 */
-	u32                     PrimaryReferenceTag;        /* 0x14 */
-	u16                     PrimaryApplicationTag;      /* 0x18 */
-	u16                     PrimaryApplicationTagMask;  /* 0x1A */
-	u32                     TransferLength;             /* 0x1C */
+	__be32			PrimaryReferenceTag;        /* 0x14 */
+	__be16			PrimaryApplicationTag;      /* 0x18 */
+	__be16			PrimaryApplicationTagMask;  /* 0x1A */
+	__le32			TransferLength;             /* 0x1C */
 };
 
 struct MPI2_SGE_CHAIN_UNION {
-	u16                     Length;
+	__le16			Length;
 	u8                      NextChainOffset;
 	u8                      Flags;
 	union {
-		u32                 Address32;
-		u64                 Address64;
+		__le32		Address32;
+		__le64		Address64;
 	} u;
 };
 
 struct MPI2_IEEE_SGE_SIMPLE32 {
-	u32                     Address;
-	u32                     FlagsLength;
+	__le32			Address;
+	__le32			FlagsLength;
 };
 
 struct MPI2_IEEE_SGE_CHAIN32 {
-	u32                     Address;
-	u32                     FlagsLength;
+	__le32			Address;
+	__le32			FlagsLength;
 };
 
 struct MPI2_IEEE_SGE_SIMPLE64 {
-	u64                     Address;
-	u32                     Length;
-	u16                     Reserved1;
+	__le64			Address;
+	__le32			Length;
+	__le16			Reserved1;
 	u8                      Reserved2;
 	u8                      Flags;
 };
 
 struct MPI2_IEEE_SGE_CHAIN64 {
-	u64                     Address;
-	u32                     Length;
-	u16                     Reserved1;
+	__le64			Address;
+	__le32			Length;
+	__le16			Reserved1;
 	u8                      Reserved2;
 	u8                      Flags;
 };
@@ -269,34 +269,34 @@ union MPI2_SCSI_IO_CDB_UNION {
  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
  */
 struct MPI2_RAID_SCSI_IO_REQUEST {
-	u16                     DevHandle;                      /* 0x00 */
+	__le16			DevHandle;                      /* 0x00 */
 	u8                      ChainOffset;                    /* 0x02 */
 	u8                      Function;                       /* 0x03 */
-	u16                     Reserved1;                      /* 0x04 */
+	__le16			Reserved1;                      /* 0x04 */
 	u8                      Reserved2;                      /* 0x06 */
 	u8                      MsgFlags;                       /* 0x07 */
 	u8                      VP_ID;                          /* 0x08 */
 	u8                      VF_ID;                          /* 0x09 */
-	u16                     Reserved3;                      /* 0x0A */
-	u32                     SenseBufferLowAddress;          /* 0x0C */
-	u16                     SGLFlags;                       /* 0x10 */
+	__le16			Reserved3;                      /* 0x0A */
+	__le32			SenseBufferLowAddress;          /* 0x0C */
+	__le16			SGLFlags;                       /* 0x10 */
 	u8                      SenseBufferLength;              /* 0x12 */
 	u8                      Reserved4;                      /* 0x13 */
 	u8                      SGLOffset0;                     /* 0x14 */
 	u8                      SGLOffset1;                     /* 0x15 */
 	u8                      SGLOffset2;                     /* 0x16 */
 	u8                      SGLOffset3;                     /* 0x17 */
-	u32                     SkipCount;                      /* 0x18 */
-	u32                     DataLength;                     /* 0x1C */
-	u32                     BidirectionalDataLength;        /* 0x20 */
-	u16                     IoFlags;                        /* 0x24 */
-	u16                     EEDPFlags;                      /* 0x26 */
-	u32                     EEDPBlockSize;                  /* 0x28 */
-	u32                     SecondaryReferenceTag;          /* 0x2C */
-	u16                     SecondaryApplicationTag;        /* 0x30 */
-	u16                     ApplicationTagTranslationMask;  /* 0x32 */
+	__le32			SkipCount;                      /* 0x18 */
+	__le32			DataLength;                     /* 0x1C */
+	__le32			BidirectionalDataLength;        /* 0x20 */
+	__le16			IoFlags;                        /* 0x24 */
+	__le16			EEDPFlags;                      /* 0x26 */
+	__le32			EEDPBlockSize;                  /* 0x28 */
+	__le32			SecondaryReferenceTag;          /* 0x2C */
+	__le16			SecondaryApplicationTag;        /* 0x30 */
+	__le16			ApplicationTagTranslationMask;  /* 0x32 */
 	u8                      LUN[8];                         /* 0x34 */
-	u32                     Control;                        /* 0x3C */
+	__le32			Control;                        /* 0x3C */
 	union MPI2_SCSI_IO_CDB_UNION  CDB;			/* 0x40 */
 	struct RAID_CONTEXT	RaidContext;                    /* 0x60 */
 	union MPI2_SGE_IO_UNION       SGL;			/* 0x80 */
@@ -315,45 +315,45 @@ struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR {
 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR {
 	u8              RequestFlags;               /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             LMID;                       /* 0x04 */
-	u16             DescriptorTypeDependent;    /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		LMID;                       /* 0x04 */
+	__le16		DescriptorTypeDependent;    /* 0x06 */
 };
 
 /* High Priority Request Descriptor */
 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
 	u8              RequestFlags;               /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             LMID;                       /* 0x04 */
-	u16             Reserved1;                  /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		LMID;                       /* 0x04 */
+	__le16		Reserved1;                  /* 0x06 */
 };
 
 /* SCSI IO Request Descriptor */
 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
 	u8              RequestFlags;               /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             LMID;                       /* 0x04 */
-	u16             DevHandle;                  /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		LMID;                       /* 0x04 */
+	__le16		DevHandle;                  /* 0x06 */
 };
 
 /* SCSI Target Request Descriptor */
 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
 	u8              RequestFlags;               /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             LMID;                       /* 0x04 */
-	u16             IoIndex;                    /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		LMID;                       /* 0x04 */
+	__le16		IoIndex;                    /* 0x06 */
 };
 
 /* RAID Accelerator Request Descriptor */
 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
 	u8              RequestFlags;               /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             LMID;                       /* 0x04 */
-	u16             Reserved;                   /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		LMID;                       /* 0x04 */
+	__le16		Reserved;                   /* 0x06 */
 };
 
 /* union of Request Descriptors */
@@ -366,10 +366,10 @@ union MEGASAS_REQUEST_DESCRIPTOR_UNION {
 	struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR      MFAIo;
 	union {
 		struct {
-			u32 low;
-			u32 high;
+			__le32 low;
+			__le32 high;
 		} u;
-		u64 Words;
+		__le64 Words;
 	};
 };
 
@@ -377,35 +377,35 @@ union MEGASAS_REQUEST_DESCRIPTOR_UNION {
 struct MPI2_DEFAULT_REPLY_DESCRIPTOR {
 	u8              ReplyFlags;                 /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             DescriptorTypeDependent1;   /* 0x02 */
-	u32             DescriptorTypeDependent2;   /* 0x04 */
+	__le16		DescriptorTypeDependent1;   /* 0x02 */
+	__le32		DescriptorTypeDependent2;   /* 0x04 */
 };
 
 /* Address Reply Descriptor */
 struct MPI2_ADDRESS_REPLY_DESCRIPTOR {
 	u8              ReplyFlags;                 /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u32             ReplyFrameAddress;          /* 0x04 */
+	__le16		SMID;                       /* 0x02 */
+	__le32		ReplyFrameAddress;          /* 0x04 */
 };
 
 /* SCSI IO Success Reply Descriptor */
 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
 	u8              ReplyFlags;                 /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u16             TaskTag;                    /* 0x04 */
-	u16             Reserved1;                  /* 0x06 */
+	__le16		SMID;                       /* 0x02 */
+	__le16		TaskTag;                    /* 0x04 */
+	__le16		Reserved1;                  /* 0x06 */
 };
 
 /* TargetAssist Success Reply Descriptor */
 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
 	u8              ReplyFlags;                 /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
+	__le16		SMID;                       /* 0x02 */
 	u8              SequenceNumber;             /* 0x04 */
 	u8              Reserved1;                  /* 0x05 */
-	u16             IoIndex;                    /* 0x06 */
+	__le16		IoIndex;                    /* 0x06 */
 };
 
 /* Target Command Buffer Reply Descriptor */
@@ -414,16 +414,16 @@ struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
 	u8              MSIxIndex;                  /* 0x01 */
 	u8              VP_ID;                      /* 0x02 */
 	u8              Flags;                      /* 0x03 */
-	u16             InitiatorDevHandle;         /* 0x04 */
-	u16             IoIndex;                    /* 0x06 */
+	__le16		InitiatorDevHandle;         /* 0x04 */
+	__le16		IoIndex;                    /* 0x06 */
 };
 
 /* RAID Accelerator Success Reply Descriptor */
 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
 	u8              ReplyFlags;                 /* 0x00 */
 	u8              MSIxIndex;                  /* 0x01 */
-	u16             SMID;                       /* 0x02 */
-	u32             Reserved;                   /* 0x04 */
+	__le16		SMID;                       /* 0x02 */
+	__le32		Reserved;                   /* 0x04 */
 };
 
 /* union of Reply Descriptors */
@@ -435,7 +435,7 @@ union MPI2_REPLY_DESCRIPTORS_UNION {
 	struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
 	struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
 	RAIDAcceleratorSuccess;
-	u64                                             Words;
+	__le64                                             Words;
 };
 
 /* IOCInit Request message */
@@ -444,28 +444,28 @@ struct MPI2_IOC_INIT_REQUEST {
 	u8                      Reserved1;                      /* 0x01 */
 	u8                      ChainOffset;                    /* 0x02 */
 	u8                      Function;                       /* 0x03 */
-	u16                     Reserved2;                      /* 0x04 */
+	__le16			Reserved2;                      /* 0x04 */
 	u8                      Reserved3;                      /* 0x06 */
 	u8                      MsgFlags;                       /* 0x07 */
 	u8                      VP_ID;                          /* 0x08 */
 	u8                      VF_ID;                          /* 0x09 */
-	u16                     Reserved4;                      /* 0x0A */
-	u16                     MsgVersion;                     /* 0x0C */
-	u16                     HeaderVersion;                  /* 0x0E */
+	__le16			Reserved4;                      /* 0x0A */
+	__le16			MsgVersion;                     /* 0x0C */
+	__le16			HeaderVersion;                  /* 0x0E */
 	u32                     Reserved5;                      /* 0x10 */
-	u16                     Reserved6;                      /* 0x14 */
+	__le16			Reserved6;                      /* 0x14 */
 	u8                      Reserved7;                      /* 0x16 */
 	u8                      HostMSIxVectors;                /* 0x17 */
-	u16                     Reserved8;                      /* 0x18 */
-	u16                     SystemRequestFrameSize;         /* 0x1A */
-	u16                     ReplyDescriptorPostQueueDepth;  /* 0x1C */
-	u16                     ReplyFreeQueueDepth;            /* 0x1E */
-	u32                     SenseBufferAddressHigh;         /* 0x20 */
-	u32                     SystemReplyAddressHigh;         /* 0x24 */
-	u64                     SystemRequestFrameBaseAddress;  /* 0x28 */
-	u64                     ReplyDescriptorPostQueueAddress;/* 0x30 */
-	u64                     ReplyFreeQueueAddress;          /* 0x38 */
-	u64                     TimeStamp;                      /* 0x40 */
+	__le16			Reserved8;                      /* 0x18 */
+	__le16			SystemRequestFrameSize;         /* 0x1A */
+	__le16			ReplyDescriptorPostQueueDepth;  /* 0x1C */
+	__le16			ReplyFreeQueueDepth;            /* 0x1E */
+	__le32			SenseBufferAddressHigh;         /* 0x20 */
+	__le32			SystemReplyAddressHigh;         /* 0x24 */
+	__le64			SystemRequestFrameBaseAddress;  /* 0x28 */
+	__le64			ReplyDescriptorPostQueueAddress;/* 0x30 */
+	__le64			ReplyFreeQueueAddress;          /* 0x38 */
+	__le64			TimeStamp;                      /* 0x40 */
 };
 
 /* mrpriv defines */
@@ -491,41 +491,41 @@ struct MPI2_IOC_INIT_REQUEST {
 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS       0x03150200
 
 struct MR_DEV_HANDLE_INFO {
-	u16     curDevHdl;
+	__le16	curDevHdl;
 	u8      validHandles;
 	u8      reserved;
-	u16     devHandle[2];
+	__le16	devHandle[2];
 };
 
 struct MR_ARRAY_INFO {
-	u16      pd[MAX_RAIDMAP_ROW_SIZE];
+	__le16	pd[MAX_RAIDMAP_ROW_SIZE];
 };
 
 struct MR_QUAD_ELEMENT {
-	u64     logStart;
-	u64     logEnd;
-	u64     offsetInSpan;
-	u32     diff;
-	u32     reserved1;
+	__le64     logStart;
+	__le64     logEnd;
+	__le64     offsetInSpan;
+	__le32     diff;
+	__le32     reserved1;
 };
 
 struct MR_SPAN_INFO {
-	u32             noElements;
-	u32             reserved1;
+	__le32             noElements;
+	__le32             reserved1;
 	struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH];
 };
 
 struct MR_LD_SPAN {
-	u64      startBlk;
-	u64      numBlks;
-	u16      arrayRef;
+	__le64	 startBlk;
+	__le64	 numBlks;
+	__le16	 arrayRef;
 	u8       spanRowSize;
 	u8       spanRowDataSize;
 	u8       reserved[4];
 };
 
 struct MR_SPAN_BLOCK_INFO {
-	u64          num_rows;
+	__le64          num_rows;
 	struct MR_LD_SPAN   span;
 	struct MR_SPAN_INFO block_span_info;
 };
@@ -558,8 +558,8 @@ struct MR_LD_RAID {
 		u32     reserved4:7;
 #endif
 	} capability;
-	u32     reserved6;
-	u64     size;
+	__le32     reserved6;
+	__le64     size;
 	u8      spanDepth;
 	u8      level;
 	u8      stripeShift;
@@ -568,12 +568,12 @@ struct MR_LD_RAID {
 	u8      writeMode;
 	u8      PRL;
 	u8      SRL;
-	u16     targetId;
+	__le16     targetId;
 	u8      ldState;
 	u8      regTypeReqOnWrite;
 	u8      modFactor;
 	u8	regTypeReqOnRead;
-	u16     seqNum;
+	__le16     seqNum;
 
 	struct {
 		u32 ldSyncRequired:1;
@@ -592,20 +592,20 @@ struct MR_LD_SPAN_MAP {
 };
 
 struct MR_FW_RAID_MAP {
-	u32                 totalSize;
+	__le32                 totalSize;
 	union {
 		struct {
-			u32         maxLd;
-			u32         maxSpanDepth;
-			u32         maxRowSize;
-			u32         maxPdCount;
-			u32         maxArrays;
+			__le32         maxLd;
+			__le32         maxSpanDepth;
+			__le32         maxRowSize;
+			__le32         maxPdCount;
+			__le32         maxArrays;
 		} validationInfo;
-		u32             version[5];
+		__le32             version[5];
 	};
 
-	u32                 ldCount;
-	u32                 Reserved1;
+	__le32                 ldCount;
+	__le32                 Reserved1;
 	u8                  ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+
 					MAX_RAIDMAP_VIEWS];
 	u8                  fpPdIoTimeoutSec;
@@ -620,7 +620,7 @@ struct IO_REQUEST_INFO {
 	u32 numBlocks;
 	u16 ldTgtId;
 	u8 isRead;
-	u16 devHandle;
+	__le16 devHandle;
 	u64 pdBlock;
 	u8 fpOkForIo;
 	u8 IoforUnevenSpan;
@@ -634,7 +634,7 @@ struct IO_REQUEST_INFO {
 struct MR_LD_TARGET_SYNC {
 	u8  targetId;
 	u8  reserved;
-	u16 seqNum;
+	__le16 seqNum;
 };
 
 #define IEEE_SGE_FLAGS_ADDR_MASK            (0x03)
@@ -719,27 +719,27 @@ struct MR_DRV_RAID_MAP {
 	 * This feild will be manupulated by driver for ext raid map,
 	 * else pick the value from firmware raid map.
 	 */
-	u32                 totalSize;
+	__le32                 totalSize;
 
 	union {
 	struct {
-		u32         maxLd;
-		u32         maxSpanDepth;
-		u32         maxRowSize;
-		u32         maxPdCount;
-		u32         maxArrays;
+		__le32         maxLd;
+		__le32         maxSpanDepth;
+		__le32         maxRowSize;
+		__le32         maxPdCount;
+		__le32         maxArrays;
 	} validationInfo;
-	u32             version[5];
+	__le32             version[5];
 	};
 
 	/* timeout value used by driver in FP IOs*/
 	u8                  fpPdIoTimeoutSec;
 	u8                  reserved2[7];
 
-	u16                 ldCount;
-	u16                 arCount;
-	u16                 spanCount;
-	u16                 reserve3;
+	__le16                 ldCount;
+	__le16                 arCount;
+	__le16                 spanCount;
+	__le16                 reserve3;
 
 	struct MR_DEV_HANDLE_INFO  devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
 	u8                  ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
@@ -778,10 +778,10 @@ struct MR_FW_RAID_MAP_EXT {
 	u8                  fpPdIoTimeoutSec;
 	u8                  reserved2[7];
 
-	u16                 ldCount;
-	u16                 arCount;
-	u16                 spanCount;
-	u16                 reserve3;
+	__le16                 ldCount;
+	__le16                 arCount;
+	__le16                 spanCount;
+	__le16                 reserve3;
 
 	struct MR_DEV_HANDLE_INFO  devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
 	u8                  ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
@@ -834,10 +834,10 @@ struct fusion_context {
 };
 
 union desc_value {
-	u64 word;
+	__le64 word;
 	struct {
-		u32 low;
-		u32 high;
+		__le32 low;
+		__le32 high;
 	} u;
 };