summaryrefslogtreecommitdiff
path: root/drivers/block/cciss_cmd.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/cciss_cmd.h')
-rw-r--r--drivers/block/cciss_cmd.h269
1 files changed, 269 insertions, 0 deletions
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
new file mode 100644
index 000000000..d9be6b4d4
--- /dev/null
+++ b/drivers/block/cciss_cmd.h
@@ -0,0 +1,269 @@
+#ifndef CCISS_CMD_H
+#define CCISS_CMD_H
+
+#include <linux/cciss_defs.h>
+
+/* DEFINES */
+#define CISS_VERSION "1.00"
+
+/* general boundary definitions */
+#define MAXSGENTRIES 32
+#define CCISS_SG_CHAIN 0x80000000
+#define MAXREPLYQS 256
+
+/* Unit Attentions ASC's as defined for the MSA2012sa */
+#define POWER_OR_RESET 0x29
+#define STATE_CHANGED 0x2a
+#define UNIT_ATTENTION_CLEARED 0x2f
+#define LUN_FAILED 0x3e
+#define REPORT_LUNS_CHANGED 0x3f
+
+/* Unit Attentions ASCQ's as defined for the MSA2012sa */
+
+ /* These ASCQ's defined for ASC = POWER_OR_RESET */
+#define POWER_ON_RESET 0x00
+#define POWER_ON_REBOOT 0x01
+#define SCSI_BUS_RESET 0x02
+#define MSA_TARGET_RESET 0x03
+#define CONTROLLER_FAILOVER 0x04
+#define TRANSCEIVER_SE 0x05
+#define TRANSCEIVER_LVD 0x06
+
+ /* These ASCQ's defined for ASC = STATE_CHANGED */
+#define RESERVATION_PREEMPTED 0x03
+#define ASYM_ACCESS_CHANGED 0x06
+#define LUN_CAPACITY_CHANGED 0x09
+
+/* config space register offsets */
+#define CFG_VENDORID 0x00
+#define CFG_DEVICEID 0x02
+#define CFG_I2OBAR 0x10
+#define CFG_MEM1BAR 0x14
+
+/* i2o space register offsets */
+#define I2O_IBDB_SET 0x20
+#define I2O_IBDB_CLEAR 0x70
+#define I2O_INT_STATUS 0x30
+#define I2O_INT_MASK 0x34
+#define I2O_IBPOST_Q 0x40
+#define I2O_OBPOST_Q 0x44
+#define I2O_DMA1_CFG 0x214
+
+/* Configuration Table */
+#define CFGTBL_ChangeReq 0x00000001l
+#define CFGTBL_AccCmds 0x00000001l
+#define DOORBELL_CTLR_RESET 0x00000004l
+#define DOORBELL_CTLR_RESET2 0x00000020l
+
+#define CFGTBL_Trans_Simple 0x00000002l
+#define CFGTBL_Trans_Performant 0x00000004l
+#define CFGTBL_Trans_use_short_tags 0x20000000l
+
+#define CFGTBL_BusType_Ultra2 0x00000001l
+#define CFGTBL_BusType_Ultra3 0x00000002l
+#define CFGTBL_BusType_Fibre1G 0x00000100l
+#define CFGTBL_BusType_Fibre2G 0x00000200l
+typedef struct _vals32
+{
+ __u32 lower;
+ __u32 upper;
+} vals32;
+
+typedef union _u64bit
+{
+ vals32 val32;
+ __u64 val;
+} u64bit;
+
+/* Type defs used in the following structs */
+#define QWORD vals32
+
+/* STRUCTURES */
+#define CISS_MAX_PHYS_LUN 1024
+/* SCSI-3 Cmmands */
+
+#pragma pack(1)
+
+#define CISS_INQUIRY 0x12
+/* Date returned */
+typedef struct _InquiryData_struct
+{
+ BYTE data_byte[36];
+} InquiryData_struct;
+
+#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
+#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
+/* Data returned */
+typedef struct _ReportLUNdata_struct
+{
+ BYTE LUNListLength[4];
+ DWORD reserved;
+ BYTE LUN[CISS_MAX_LUN][8];
+} 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 */
+} ReadCapdata_struct;
+
+#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
+
+/* service action to differentiate a 16 byte read capacity from
+ other commands that use the 0x9e SCSI op code */
+
+#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
+
+typedef struct _ReadCapdata_struct_16
+{
+ BYTE total_size[8]; /* Total size in blocks */
+ BYTE block_size[4]; /* Size of blocks in bytes */
+ BYTE prot_en:1; /* protection enable bit */
+ BYTE rto_en:1; /* reference tag own enable bit */
+ BYTE reserved:6; /* reserved bits */
+ BYTE reserved2[18]; /* reserved bytes per spec */
+} ReadCapdata_struct_16;
+
+/* Define the supported read/write commands for cciss based controllers */
+
+#define CCISS_READ_10 0x28 /* Read(10) */
+#define CCISS_WRITE_10 0x2a /* Write(10) */
+#define CCISS_READ_16 0x88 /* Read(16) */
+#define CCISS_WRITE_16 0x8a /* Write(16) */
+
+/* Define the CDB lengths supported by cciss based controllers */
+
+#define CDB_LEN10 10
+#define CDB_LEN16 16
+
+/* 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 */
+
+#define CCISS_ABORT_MSG 0x00
+#define CCISS_RESET_MSG 0x01
+#define CCISS_RESET_TYPE_CONTROLLER 0x00
+#define CCISS_RESET_TYPE_BUS 0x01
+#define CCISS_RESET_TYPE_TARGET 0x03
+#define CCISS_RESET_TYPE_LUN 0x04
+#define CCISS_NOOP_MSG 0x03
+
+/* Command List Structure */
+#define CTLR_LUNID "\0\0\0\0\0\0\0\0"
+
+typedef struct _CommandListHeader_struct {
+ BYTE ReplyQueue;
+ BYTE SGList;
+ HWORD SGTotal;
+ QWORD Tag;
+ LUNAddr_struct LUN;
+} CommandListHeader_struct;
+typedef struct _ErrDescriptor_struct {
+ QWORD Addr;
+ DWORD Len;
+} ErrDescriptor_struct;
+typedef struct _SGDescriptor_struct {
+ QWORD Addr;
+ DWORD Len;
+ DWORD Ext;
+} SGDescriptor_struct;
+
+/* Command types */
+#define CMD_RWREQ 0x00
+#define CMD_IOCTL_PEND 0x01
+#define CMD_SCSI 0x03
+#define CMD_MSG_DONE 0x04
+#define CMD_MSG_TIMEOUT 0x05
+#define CMD_MSG_STALE 0xff
+
+/* 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 COMMANDLIST_ALIGNMENT (32)
+#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)
+#define DIRECT_LOOKUP_BIT 0x10
+#define DIRECT_LOOKUP_SHIFT 5
+
+typedef struct _CommandList_struct {
+ CommandListHeader_struct Header;
+ RequestBlock_struct Request;
+ ErrDescriptor_struct ErrDesc;
+ SGDescriptor_struct SG[MAXSGENTRIES];
+ /* information associated with the command */
+ __u32 busaddr; /* physical address of this record */
+ ErrorInfo_struct * err_info; /* pointer to the allocated mem */
+ int ctlr;
+ int cmd_type;
+ long cmdindex;
+ struct list_head list;
+ struct request * rq;
+ struct completion *waiting;
+ int retry_count;
+ void * scsi_cmd;
+ char pad[PADSIZE];
+} CommandList_struct;
+
+/* Configuration Table Structure */
+typedef struct _HostWrite_struct {
+ DWORD TransportRequest;
+ DWORD Reserved;
+ DWORD CoalIntDelay;
+ DWORD CoalIntCount;
+} HostWrite_struct;
+
+typedef struct _CfgTable_struct {
+ BYTE Signature[4];
+ DWORD SpecValence;
+#define SIMPLE_MODE 0x02
+#define PERFORMANT_MODE 0x04
+#define MEMQ_MODE 0x08
+ DWORD TransportSupport;
+ DWORD TransportActive;
+ HostWrite_struct HostWrite;
+ DWORD CmdsOutMax;
+ DWORD BusTypes;
+ DWORD TransMethodOffset;
+ BYTE ServerName[16];
+ DWORD HeartBeat;
+ DWORD SCSI_Prefetch;
+ DWORD MaxSGElements;
+ DWORD MaxLogicalUnits;
+ DWORD MaxPhysicalDrives;
+ DWORD MaxPhysicalDrivesPerLogicalUnit;
+ DWORD MaxPerformantModeCommands;
+ u8 reserved[0x78 - 0x58];
+ u32 misc_fw_support; /* offset 0x78 */
+#define MISC_FW_DOORBELL_RESET (0x02)
+#define MISC_FW_DOORBELL_RESET2 (0x10)
+ u8 driver_version[32];
+} CfgTable_struct;
+
+struct TransTable_struct {
+ u32 BlockFetch0;
+ u32 BlockFetch1;
+ u32 BlockFetch2;
+ u32 BlockFetch3;
+ u32 BlockFetch4;
+ u32 BlockFetch5;
+ u32 BlockFetch6;
+ u32 BlockFetch7;
+ u32 RepQSize;
+ u32 RepQCount;
+ u32 RepQCtrAddrLow32;
+ u32 RepQCtrAddrHigh32;
+ u32 RepQAddr0Low32;
+ u32 RepQAddr0High32;
+};
+
+#pragma pack()
+#endif /* CCISS_CMD_H */