| /* |
| * Disk Array driver for HP Smart Array SAS controllers |
| * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * Questions/Comments/Bugfixes to iss_storagedev@hp.com |
| * |
| */ |
| #ifndef HPSA_CMD_H |
| #define HPSA_CMD_H |
| |
| /* general boundary defintions */ |
| #define SENSEINFOBYTES 32 /* may vary between hbas */ |
| #define MAXSGENTRIES 32 |
| #define HPSA_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 |
| #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 |
| |
| /* 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 */ |
| #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 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; |
| }; |
| |
| union u64bit { |
| struct vals32 val32; |
| u64 val; |
| }; |
| |
| /* FIXME this is a per controller value (barf!) */ |
| #define HPSA_MAX_TARGETS_PER_CTLR 16 |
| #define HPSA_MAX_LUN 256 |
| #define HPSA_MAX_PHYS_LUN 1024 |
| |
| /* SCSI-3 Commands */ |
| #pragma pack(1) |
| |
| #define HPSA_INQUIRY 0x12 |
| struct InquiryData { |
| 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]; |
| }; |
| |
| struct ReportExtendedLUNdata { |
| 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]; |
| }; |
| |
| /* BMIC commands */ |
| #define BMIC_READ 0x26 |
| #define BMIC_WRITE 0x27 |
| #define BMIC_CACHE_FLUSH 0xc2 |
| #define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */ |
| |
| /* Command List Structure */ |
| union SCSI3Addr { |
| struct { |
| u8 Dev; |
| u8 Bus:6; |
| u8 Mode:2; /* b00 */ |
| } PeripDev; |
| struct { |
| u8 DevLSB; |
| u8 DevMSB:6; |
| u8 Mode:2; /* b01 */ |
| } LogDev; |
| struct { |
| 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; |
| /* 2 level target device addr */ |
| union SCSI3Addr Target[2]; |
| }; |
| |
| struct LogDevAddr { |
| u32 VolId:30; |
| u32 Mode:2; |
| u8 reserved[4]; |
| }; |
| |
| union LUNAddr { |
| u8 LunAddrBytes[8]; |
| union SCSI3Addr SCSI3Lun[4]; |
| struct PhysDevAddr PhysDev; |
| struct LogDevAddr LogDev; |
| }; |
| |
| struct CommandListHeader { |
| u8 ReplyQueue; |
| u8 SGList; |
| u16 SGTotal; |
| struct vals32 Tag; |
| union LUNAddr LUN; |
| }; |
| |
| struct RequestBlock { |
| u8 CDBLen; |
| struct { |
| u8 Type:3; |
| u8 Attribute:3; |
| u8 Direction:2; |
| } Type; |
| u16 Timeout; |
| u8 CDB[16]; |
| }; |
| |
| struct ErrDescriptor { |
| struct vals32 Addr; |
| u32 Len; |
| }; |
| |
| struct SGDescriptor { |
| struct vals32 Addr; |
| u32 Len; |
| u32 Ext; |
| }; |
| |
| union MoreErrInfo { |
| struct { |
| 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; |
| } Invalid_Cmd; |
| }; |
| struct ErrorInfo { |
| u8 ScsiStatus; |
| u8 SenseLen; |
| u16 CommandStatus; |
| u32 ResidualCnt; |
| union MoreErrInfo MoreErrInfo; |
| 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 DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1)) |
| |
| #define HPSA_ERROR_BIT 0x02 |
| struct ctlr_info; /* defined in hpsa.h */ |
| /* 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 */ |
| struct ErrorInfo *err_info; /* pointer to the allocated mem */ |
| struct ctlr_info *h; |
| int cmd_type; |
| long cmdindex; |
| struct hlist_node list; |
| struct request *rq; |
| struct completion *waiting; |
| 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; |
| }; |
| |
| #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 TransMethodOffset; |
| u8 ServerName[16]; |
| u32 HeartBeat; |
| u32 SCSI_Prefetch; |
| u32 MaxScatterGatherElements; |
| u32 MaxLogicalUnits; |
| u32 MaxPhysicalDevices; |
| u32 MaxPhysicalDrivesPerLogicalUnit; |
| u32 MaxPerformantModeCommands; |
| u8 reserved[0x78 - 0x58]; |
| u32 misc_fw_support; /* offset 0x78 */ |
| #define MISC_FW_DOORBELL_RESET (0x02) |
| }; |
| |
| #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; |
| }; |
| |
| #pragma pack() |
| #endif /* HPSA_CMD_H */ |