/* * 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 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 */