/* general boundary defintions */
#define SENSEINFOBYTES 32 /* may vary between hbas */
-#define MAXSGENTRIES 31
+#define MAXSGENTRIES 32
+#define HPSA_SG_CHAIN 0x80000000
#define MAXREPLYQS 256
/* Command Status value */
#define CFGTBL_AccCmds 0x00000001l
#define CFGTBL_Trans_Simple 0x00000002l
+#define CFGTBL_Trans_Performant 0x00000004l
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
#define CFGTBL_BusType_Fibre1G 0x00000100l
#define CFGTBL_BusType_Fibre2G 0x00000200l
struct vals32 {
- __u32 lower;
- __u32 upper;
+ u32 lower;
+ u32 upper;
};
union u64bit {
struct vals32 val32;
- __u64 val;
+ u64 val;
};
/* FIXME this is a per controller value (barf!) */
#define HPSA_INQUIRY 0x12
struct InquiryData {
- __u8 data_byte[36];
+ u8 data_byte[36];
};
#define HPSA_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define HPSA_REPORT_PHYS 0xc3 /* Report Physical LUNs */
struct ReportLUNdata {
- __u8 LUNListLength[4];
- __u32 reserved;
- __u8 LUN[HPSA_MAX_LUN][8];
+ u8 LUNListLength[4];
+ u32 reserved;
+ u8 LUN[HPSA_MAX_LUN][8];
};
struct ReportExtendedLUNdata {
- __u8 LUNListLength[4];
- __u8 extended_response_flag;
- __u8 reserved[3];
- __u8 LUN[HPSA_MAX_LUN][24];
+ u8 LUNListLength[4];
+ u8 extended_response_flag;
+ u8 reserved[3];
+ u8 LUN[HPSA_MAX_LUN][24];
};
struct SenseSubsystem_info {
- __u8 reserved[36];
- __u8 portname[8];
- __u8 reserved1[1108];
+ u8 reserved[36];
+ u8 portname[8];
+ u8 reserved1[1108];
};
#define HPSA_READ_CAPACITY 0x25 /* Read Capacity */
struct ReadCapdata {
- __u8 total_size[4]; /* Total size in blocks */
- __u8 block_size[4]; /* Size of blocks in bytes */
+ u8 total_size[4]; /* Total size in blocks */
+ u8 block_size[4]; /* Size of blocks in bytes */
};
#if 0
/* Command List Structure */
union SCSI3Addr {
struct {
- __u8 Dev;
- __u8 Bus:6;
- __u8 Mode:2; /* b00 */
+ u8 Dev;
+ u8 Bus:6;
+ u8 Mode:2; /* b00 */
} PeripDev;
struct {
- __u8 DevLSB;
- __u8 DevMSB:6;
- __u8 Mode:2; /* b01 */
+ u8 DevLSB;
+ u8 DevMSB:6;
+ u8 Mode:2; /* b01 */
} LogDev;
struct {
- __u8 Dev:5;
- __u8 Bus:3;
- __u8 Targ:6;
- __u8 Mode:2; /* b10 */
+ u8 Dev:5;
+ u8 Bus:3;
+ u8 Targ:6;
+ u8 Mode:2; /* b10 */
} LogUnit;
};
struct PhysDevAddr {
- __u32 TargetId:24;
- __u32 Bus:6;
- __u32 Mode:2;
+ u32 TargetId:24;
+ u32 Bus:6;
+ u32 Mode:2;
/* 2 level target device addr */
union SCSI3Addr Target[2];
};
struct LogDevAddr {
- __u32 VolId:30;
- __u32 Mode:2;
- __u8 reserved[4];
+ u32 VolId:30;
+ u32 Mode:2;
+ u8 reserved[4];
};
union LUNAddr {
- __u8 LunAddrBytes[8];
+ u8 LunAddrBytes[8];
union SCSI3Addr SCSI3Lun[4];
struct PhysDevAddr PhysDev;
struct LogDevAddr LogDev;
};
struct CommandListHeader {
- __u8 ReplyQueue;
- __u8 SGList;
- __u16 SGTotal;
+ u8 ReplyQueue;
+ u8 SGList;
+ u16 SGTotal;
struct vals32 Tag;
union LUNAddr LUN;
};
struct RequestBlock {
- __u8 CDBLen;
+ u8 CDBLen;
struct {
- __u8 Type:3;
- __u8 Attribute:3;
- __u8 Direction:2;
+ u8 Type:3;
+ u8 Attribute:3;
+ u8 Direction:2;
} Type;
- __u16 Timeout;
- __u8 CDB[16];
+ u16 Timeout;
+ u8 CDB[16];
};
struct ErrDescriptor {
struct vals32 Addr;
- __u32 Len;
+ u32 Len;
};
struct SGDescriptor {
struct vals32 Addr;
- __u32 Len;
- __u32 Ext;
+ u32 Len;
+ u32 Ext;
};
union MoreErrInfo {
struct {
- __u8 Reserved[3];
- __u8 Type;
- __u32 ErrorInfo;
+ u8 Reserved[3];
+ u8 Type;
+ u32 ErrorInfo;
} Common_Info;
struct {
- __u8 Reserved[2];
- __u8 offense_size; /* size of offending entry */
- __u8 offense_num; /* byte # of offense 0-base */
- __u32 offense_value;
+ u8 Reserved[2];
+ u8 offense_size; /* size of offending entry */
+ u8 offense_num; /* byte # of offense 0-base */
+ u32 offense_value;
} Invalid_Cmd;
};
struct ErrorInfo {
- __u8 ScsiStatus;
- __u8 SenseLen;
- __u16 CommandStatus;
- __u32 ResidualCnt;
+ u8 ScsiStatus;
+ u8 SenseLen;
+ u16 CommandStatus;
+ u32 ResidualCnt;
union MoreErrInfo MoreErrInfo;
- __u8 SenseInfo[SENSEINFOBYTES];
+ u8 SenseInfo[SENSEINFOBYTES];
};
/* Command types */
#define CMD_IOCTL_PEND 0x01
#define CMD_SCSI 0x03
+/* This structure needs to be divisible by 32 for new
+ * indexing method and performant mode.
+ */
+#define PAD32 32
+#define PAD64DIFF 0
+#define USEEXTRA ((sizeof(void *) - 4)/4)
+#define PADSIZE (PAD32 + PAD64DIFF * USEEXTRA)
+
+#define DIRECT_LOOKUP_SHIFT 5
+#define DIRECT_LOOKUP_BIT 0x10
+
+#define HPSA_ERROR_BIT 0x02
struct ctlr_info; /* defined in hpsa.h */
-/* The size of this structure needs to be divisible by 8
- * od on all architectures, because the controller uses 2
- * lower bits of the address, and the driver uses 1 lower
- * bit (3 bits total.)
+/* The size of this structure needs to be divisible by 32
+ * on all architectures because low 5 bits of the addresses
+ * are used as follows:
+ *
+ * bit 0: to device, used to indicate "performant mode" command
+ * from device, indidcates error status.
+ * bit 1-3: to device, indicates block fetch table entry for
+ * reducing DMA in fetching commands from host memory.
+ * bit 4: used to indicate whether tag is "direct lookup" (index),
+ * or a bus address.
*/
+
struct CommandList {
struct CommandListHeader Header;
struct RequestBlock Request;
struct ErrDescriptor ErrDesc;
struct SGDescriptor SG[MAXSGENTRIES];
/* information associated with the command */
- __u32 busaddr; /* physical addr of this record */
+ u32 busaddr; /* physical addr of this record */
struct ErrorInfo *err_info; /* pointer to the allocated mem */
struct ctlr_info *h;
int cmd_type;
long cmdindex;
struct hlist_node list;
- struct CommandList *prev;
- struct CommandList *next;
struct request *rq;
struct completion *waiting;
- int retry_count;
void *scsi_cmd;
+
+/* on 64 bit architectures, to get this to be 32-byte-aligned
+ * it so happens we need PAD_64 bytes of padding, on 32 bit systems,
+ * we need PAD_32 bytes of padding (see below). This does that.
+ * If it happens that 64 bit and 32 bit systems need different
+ * padding, PAD_32 and PAD_64 can be set independently, and.
+ * the code below will do the right thing.
+ */
+#define IS_32_BIT ((8 - sizeof(long))/4)
+#define IS_64_BIT (!IS_32_BIT)
+#define PAD_32 (4)
+#define PAD_64 (4)
+#define COMMANDLIST_PAD (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
+ u8 pad[COMMANDLIST_PAD];
};
/* Configuration Table Structure */
struct HostWrite {
- __u32 TransportRequest;
- __u32 Reserved;
- __u32 CoalIntDelay;
- __u32 CoalIntCount;
+ u32 TransportRequest;
+ u32 Reserved;
+ u32 CoalIntDelay;
+ u32 CoalIntCount;
};
+#define SIMPLE_MODE 0x02
+#define PERFORMANT_MODE 0x04
+#define MEMQ_MODE 0x08
+
struct CfgTable {
- __u8 Signature[4];
- __u32 SpecValence;
- __u32 TransportSupport;
- __u32 TransportActive;
- struct HostWrite HostWrite;
- __u32 CmdsOutMax;
- __u32 BusTypes;
- __u32 Reserved;
- __u8 ServerName[16];
- __u32 HeartBeat;
- __u32 SCSI_Prefetch;
+ u8 Signature[4];
+ u32 SpecValence;
+ u32 TransportSupport;
+ u32 TransportActive;
+ struct HostWrite HostWrite;
+ u32 CmdsOutMax;
+ u32 BusTypes;
+ u32 TransMethodOffset;
+ u8 ServerName[16];
+ u32 HeartBeat;
+ u32 SCSI_Prefetch;
+ u32 MaxScatterGatherElements;
+ u32 MaxLogicalUnits;
+ u32 MaxPhysicalDevices;
+ u32 MaxPhysicalDrivesPerLogicalUnit;
+ u32 MaxPerformantModeCommands;
+};
+
+#define NUM_BLOCKFETCH_ENTRIES 8
+struct TransTable_struct {
+ u32 BlockFetch[NUM_BLOCKFETCH_ENTRIES];
+ u32 RepQSize;
+ u32 RepQCount;
+ u32 RepQCtrAddrLow32;
+ u32 RepQCtrAddrHigh32;
+ u32 RepQAddr0Low32;
+ u32 RepQAddr0High32;
};
struct hpsa_pci_info {
unsigned char bus;
unsigned char dev_fn;
unsigned short domain;
- __u32 board_id;
+ u32 board_id;
};
#pragma pack()
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