Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34

1 files changed, 31 insertions, 133 deletions

diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
index 6afa700890f..e624ff959cb 100644
--- a/drivers/block/cciss_cmd.h
+++ b/drivers/block/cciss_cmd.h
@@ -1,31 +1,16 @@
 #ifndef CCISS_CMD_H
 #define CCISS_CMD_H
-//###########################################################################
-//DEFINES
-//###########################################################################
+
+#include <linux/cciss_defs.h>
+
+/* DEFINES */
 #define CISS_VERSION "1.00"
 
-//general boundary definitions
-#define SENSEINFOBYTES          32//note that this value may vary between host implementations
+/* general boundary definitions */
 #define MAXSGENTRIES            32
 #define CCISS_SG_CHAIN          0x80000000
 #define MAXREPLYQS              256
 
-//Command Status value
-#define CMD_SUCCESS             0x0000
-#define CMD_TARGET_STATUS       0x0001
-#define CMD_DATA_UNDERRUN       0x0002
-#define CMD_DATA_OVERRUN        0x0003
-#define CMD_INVALID             0x0004
-#define CMD_PROTOCOL_ERR        0x0005
-#define CMD_HARDWARE_ERR        0x0006
-#define CMD_CONNECTION_LOST     0x0007
-#define CMD_ABORTED             0x0008
-#define CMD_ABORT_FAILED        0x0009
-#define CMD_UNSOLICITED_ABORT   0x000A
-#define CMD_TIMEOUT             0x000B
-#define CMD_UNABORTABLE		0x000C
-
 /* Unit Attentions ASC's as defined for the MSA2012sa */
 #define POWER_OR_RESET			0x29
 #define STATE_CHANGED			0x2a
@@ -49,30 +34,13 @@
 #define ASYM_ACCESS_CHANGED		0x06
 #define LUN_CAPACITY_CHANGED		0x09
 
-//transfer direction
-#define XFER_NONE               0x00
-#define XFER_WRITE              0x01
-#define XFER_READ               0x02
-#define XFER_RSVD               0x03
-
-//task attribute
-#define ATTR_UNTAGGED           0x00
-#define ATTR_SIMPLE             0x04
-#define ATTR_HEADOFQUEUE        0x05
-#define ATTR_ORDERED            0x06
-#define ATTR_ACA                0x07
-
-//cdb type
-#define TYPE_CMD				0x00
-#define TYPE_MSG				0x01
-
-//config space register offsets
+/* config space register offsets */
 #define CFG_VENDORID            0x00
 #define CFG_DEVICEID            0x02
 #define CFG_I2OBAR              0x10
 #define CFG_MEM1BAR             0x14
 
-//i2o space register offsets
+/* i2o space register offsets */
 #define I2O_IBDB_SET            0x20
 #define I2O_IBDB_CLEAR          0x70
 #define I2O_INT_STATUS          0x30
@@ -81,7 +49,7 @@
 #define I2O_OBPOST_Q            0x44
 #define I2O_DMA1_CFG		0x214
 
-//Configuration Table
+/* Configuration Table */
 #define CFGTBL_ChangeReq        0x00000001l
 #define CFGTBL_AccCmds          0x00000001l
 
@@ -103,24 +71,17 @@ typedef union _u64bit
    __u64	val;
 } u64bit;
 
-// Type defs used in the following structs
-#define BYTE __u8
-#define WORD __u16
-#define HWORD __u16
-#define DWORD __u32
+/* Type defs used in the following structs */
 #define QWORD vals32 
 
-//###########################################################################
-//STRUCTURES
-//###########################################################################
-#define CISS_MAX_LUN	1024
+/* STRUCTURES */
 #define CISS_MAX_PHYS_LUN	1024
-// SCSI-3 Cmmands 
+/* SCSI-3 Cmmands */
 
 #pragma pack(1)	
 
 #define CISS_INQUIRY 0x12
-//Date returned
+/* Date returned */
 typedef struct _InquiryData_struct
 {
   BYTE data_byte[36];
@@ -128,7 +89,7 @@ typedef struct _InquiryData_struct
 
 #define CISS_REPORT_LOG 0xc2    /* Report Logical LUNs */
 #define CISS_REPORT_PHYS 0xc3   /* Report Physical LUNs */
-// Data returned
+/* Data returned */
 typedef struct _ReportLUNdata_struct
 {
   BYTE LUNListLength[4];
@@ -139,8 +100,8 @@ typedef struct _ReportLUNdata_struct
 #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ 
 typedef struct _ReadCapdata_struct
 {
-  BYTE total_size[4];	// Total size in blocks
-  BYTE block_size[4];	// Size of blocks in bytes
+  BYTE total_size[4];	/* Total size in blocks */
+  BYTE block_size[4];	/* Size of blocks in bytes */
 } ReadCapdata_struct;
 
 #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
@@ -172,52 +133,13 @@ typedef struct _ReadCapdata_struct_16
 #define CDB_LEN10	10
 #define CDB_LEN16	16
 
-// BMIC commands 
+/* BMIC commands */
 #define BMIC_READ 0x26
 #define BMIC_WRITE 0x27
 #define BMIC_CACHE_FLUSH 0xc2
-#define CCISS_CACHE_FLUSH 0x01	//C2 was already being used by CCISS
-
-//Command List Structure
-typedef union _SCSI3Addr_struct {
-   struct {
-    BYTE Dev;
-    BYTE Bus:6;
-    BYTE Mode:2;        // b00
-  } PeripDev;
-   struct {
-    BYTE DevLSB;
-    BYTE DevMSB:6;
-    BYTE Mode:2;        // b01
-  } LogDev;
-   struct {
-    BYTE Dev:5;
-    BYTE Bus:3;
-    BYTE Targ:6;
-    BYTE Mode:2;        // b10
-  } LogUnit;
-} SCSI3Addr_struct;
-
-typedef struct _PhysDevAddr_struct {
-  DWORD             TargetId:24;
-  DWORD             Bus:6;
-  DWORD             Mode:2;
-  SCSI3Addr_struct  Target[2]; //2 level target device addr
-} PhysDevAddr_struct;
-  
-typedef struct _LogDevAddr_struct {
-  DWORD            VolId:30;
-  DWORD            Mode:2;
-  BYTE             reserved[4];
-} LogDevAddr_struct;
-
-typedef union _LUNAddr_struct {
-  BYTE               LunAddrBytes[8];
-  SCSI3Addr_struct   SCSI3Lun[4];
-  PhysDevAddr_struct PhysDev;
-  LogDevAddr_struct  LogDev;
-} LUNAddr_struct;
+#define CCISS_CACHE_FLUSH 0x01	/* C2 was already being used by CCISS */
 
+/* Command List Structure */
 #define CTLR_LUNID "\0\0\0\0\0\0\0\0"
 
 typedef struct _CommandListHeader_struct {
@@ -227,16 +149,6 @@ typedef struct _CommandListHeader_struct {
   QWORD             Tag;
   LUNAddr_struct    LUN;
 } CommandListHeader_struct;
-typedef struct _RequestBlock_struct {
-  BYTE   CDBLen;
-  struct {
-    BYTE Type:3;
-    BYTE Attribute:3;
-    BYTE Direction:2;
-  } Type;
-  HWORD  Timeout;
-  BYTE   CDB[16];
-} RequestBlock_struct;
 typedef struct _ErrDescriptor_struct {
   QWORD  Addr;
   DWORD  Len;
@@ -247,28 +159,6 @@ typedef struct _SGDescriptor_struct {
   DWORD  Ext;
 } SGDescriptor_struct;
 
-typedef union _MoreErrInfo_struct{
-  struct {
-    BYTE  Reserved[3];
-    BYTE  Type;
-    DWORD ErrorInfo;
-  }Common_Info;
-  struct{
-    BYTE  Reserved[2];
-    BYTE  offense_size;//size of offending entry
-    BYTE  offense_num; //byte # of offense 0-base
-    DWORD offense_value;
-  }Invalid_Cmd;
-}MoreErrInfo_struct;
-typedef struct _ErrorInfo_struct {
-  BYTE               ScsiStatus;
-  BYTE               SenseLen;
-  HWORD              CommandStatus;
-  DWORD              ResidualCnt;
-  MoreErrInfo_struct MoreErrInfo;
-  BYTE               SenseInfo[SENSEINFOBYTES];
-} ErrorInfo_struct;
-
 /* Command types */
 #define CMD_RWREQ       0x00
 #define CMD_IOCTL_PEND  0x01
@@ -277,10 +167,18 @@ typedef struct _ErrorInfo_struct {
 #define CMD_MSG_TIMEOUT 0x05
 #define CMD_MSG_STALE	0xff
 
-/* This structure needs to be divisible by 8 for new
- * indexing method.
+/* This structure needs to be divisible by COMMANDLIST_ALIGNMENT
+ * because low bits of the address are used to to indicate that
+ * whether the tag contains an index or an address.  PAD_32 and
+ * PAD_64 can be adjusted independently as needed for 32-bit
+ * and 64-bits systems.
  */
-#define PADSIZE (sizeof(long) - 4)
+#define COMMANDLIST_ALIGNMENT (8)
+#define IS_64_BIT ((sizeof(long) - 4)/4)
+#define IS_32_BIT (!IS_64_BIT)
+#define PAD_32 (0)
+#define PAD_64 (4)
+#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
 typedef struct _CommandList_struct {
   CommandListHeader_struct Header;
   RequestBlock_struct      Request;
@@ -300,7 +198,7 @@ typedef struct _CommandList_struct {
   char   pad[PADSIZE];
 } CommandList_struct;
 
-//Configuration Table Structure
+/* Configuration Table Structure */
 typedef struct _HostWrite_struct {
   DWORD TransportRequest;
   DWORD Reserved;
@@ -326,4 +224,4 @@ typedef struct _CfgTable_struct {
   DWORD            MaxPhysicalDrivesPerLogicalUnit;
 } CfgTable_struct;
 #pragma pack()	 
-#endif // CCISS_CMD_H
+#endif /* CCISS_CMD_H */