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path: root/drivers/block/cciss_cmd.h
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Diffstat (limited to 'drivers/block/cciss_cmd.h')
-rw-r--r--drivers/block/cciss_cmd.h164
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 */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 22:46:34 +0000