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1/*2 *    Disk Array driver for HP Smart Array SAS controllers3 *    Copyright (c) 2019-2020 Microchip Technology Inc. and its subsidiaries4 *    Copyright 2016 Microsemi Corporation5 *    Copyright 2014-2015 PMC-Sierra, Inc.6 *    Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P.7 *8 *    This program is free software; you can redistribute it and/or modify9 *    it under the terms of the GNU General Public License as published by10 *    the Free Software Foundation; version 2 of the License.11 *12 *    This program is distributed in the hope that it will be useful,13 *    but WITHOUT ANY WARRANTY; without even the implied warranty of14 *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or15 *    NON INFRINGEMENT.  See the GNU General Public License for more details.16 *17 *    Questions/Comments/Bugfixes to esc.storagedev@microsemi.com18 *19 */20#ifndef HPSA_CMD_H21#define HPSA_CMD_H22 23#include <linux/compiler.h>24 25#include <linux/build_bug.h> /* static_assert */26#include <linux/stddef.h> /* offsetof */27 28/* general boundary defintions */29#define SENSEINFOBYTES          32 /* may vary between hbas */30#define SG_ENTRIES_IN_CMD	32 /* Max SG entries excluding chain blocks */31#define HPSA_SG_CHAIN		0x8000000032#define HPSA_SG_LAST		0x4000000033#define MAXREPLYQS              25634 35/* Command Status value */36#define CMD_SUCCESS             0x000037#define CMD_TARGET_STATUS       0x000138#define CMD_DATA_UNDERRUN       0x000239#define CMD_DATA_OVERRUN        0x000340#define CMD_INVALID             0x000441#define CMD_PROTOCOL_ERR        0x000542#define CMD_HARDWARE_ERR        0x000643#define CMD_CONNECTION_LOST     0x000744#define CMD_ABORTED             0x000845#define CMD_ABORT_FAILED        0x000946#define CMD_UNSOLICITED_ABORT   0x000A47#define CMD_TIMEOUT             0x000B48#define CMD_UNABORTABLE		0x000C49#define CMD_TMF_STATUS		0x000D50#define CMD_IOACCEL_DISABLED	0x000E51#define CMD_CTLR_LOCKUP		0xffff52/* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec53 * it is a value defined by the driver that commands can be marked54 * with when a controller lockup has been detected by the driver55 */56 57/* TMF function status values */58#define CISS_TMF_COMPLETE	0x0059#define CISS_TMF_INVALID_FRAME	0x0260#define CISS_TMF_NOT_SUPPORTED	0x0461#define CISS_TMF_FAILED		0x0562#define CISS_TMF_SUCCESS	0x0863#define CISS_TMF_WRONG_LUN	0x0964#define CISS_TMF_OVERLAPPED_TAG 0x0a65 66/* Unit Attentions ASC's as defined for the MSA2012sa */67#define POWER_OR_RESET			0x2968#define STATE_CHANGED			0x2a69#define UNIT_ATTENTION_CLEARED		0x2f70#define LUN_FAILED			0x3e71#define REPORT_LUNS_CHANGED		0x3f72 73/* Unit Attentions ASCQ's as defined for the MSA2012sa */74 75	/* These ASCQ's defined for ASC = POWER_OR_RESET */76#define POWER_ON_RESET			0x0077#define POWER_ON_REBOOT			0x0178#define SCSI_BUS_RESET			0x0279#define MSA_TARGET_RESET		0x0380#define CONTROLLER_FAILOVER		0x0481#define TRANSCEIVER_SE			0x0582#define TRANSCEIVER_LVD			0x0683 84	/* These ASCQ's defined for ASC = STATE_CHANGED */85#define RESERVATION_PREEMPTED		0x0386#define ASYM_ACCESS_CHANGED		0x0687#define LUN_CAPACITY_CHANGED		0x0988 89/* transfer direction */90#define XFER_NONE               0x0091#define XFER_WRITE              0x0192#define XFER_READ               0x0293#define XFER_RSVD               0x0394 95/* task attribute */96#define ATTR_UNTAGGED           0x0097#define ATTR_SIMPLE             0x0498#define ATTR_HEADOFQUEUE        0x0599#define ATTR_ORDERED            0x06100#define ATTR_ACA                0x07101 102/* cdb type */103#define TYPE_CMD		0x00104#define TYPE_MSG		0x01105#define TYPE_IOACCEL2_CMD	0x81 /* 0x81 is not used by hardware */106 107/* Message Types  */108#define HPSA_TASK_MANAGEMENT    0x00109#define HPSA_RESET              0x01110#define HPSA_SCAN               0x02111#define HPSA_NOOP               0x03112 113#define HPSA_CTLR_RESET_TYPE    0x00114#define HPSA_BUS_RESET_TYPE     0x01115#define HPSA_TARGET_RESET_TYPE  0x03116#define HPSA_LUN_RESET_TYPE     0x04117#define HPSA_NEXUS_RESET_TYPE   0x05118 119/* Task Management Functions */120#define HPSA_TMF_ABORT_TASK     0x00121#define HPSA_TMF_ABORT_TASK_SET 0x01122#define HPSA_TMF_CLEAR_ACA      0x02123#define HPSA_TMF_CLEAR_TASK_SET 0x03124#define HPSA_TMF_QUERY_TASK     0x04125#define HPSA_TMF_QUERY_TASK_SET 0x05126#define HPSA_TMF_QUERY_ASYNCEVENT 0x06127 128 129 130/* config space register offsets */131#define CFG_VENDORID            0x00132#define CFG_DEVICEID            0x02133#define CFG_I2OBAR              0x10134#define CFG_MEM1BAR             0x14135 136/* i2o space register offsets */137#define I2O_IBDB_SET            0x20138#define I2O_IBDB_CLEAR          0x70139#define I2O_INT_STATUS          0x30140#define I2O_INT_MASK            0x34141#define I2O_IBPOST_Q            0x40142#define I2O_OBPOST_Q            0x44143#define I2O_DMA1_CFG		0x214144 145/* Configuration Table */146#define CFGTBL_ChangeReq        0x00000001l147#define CFGTBL_AccCmds          0x00000001l148#define DOORBELL_CTLR_RESET	0x00000004l149#define DOORBELL_CTLR_RESET2	0x00000020l150#define DOORBELL_CLEAR_EVENTS	0x00000040l151#define DOORBELL_GENERATE_CHKPT	0x00000080l152 153#define CFGTBL_Trans_Simple     0x00000002l154#define CFGTBL_Trans_Performant 0x00000004l155#define CFGTBL_Trans_io_accel1	0x00000080l156#define CFGTBL_Trans_io_accel2	0x00000100l157#define CFGTBL_Trans_use_short_tags 0x20000000l158#define CFGTBL_Trans_enable_directed_msix (1 << 30)159 160#define CFGTBL_BusType_Ultra2   0x00000001l161#define CFGTBL_BusType_Ultra3   0x00000002l162#define CFGTBL_BusType_Fibre1G  0x00000100l163#define CFGTBL_BusType_Fibre2G  0x00000200l164 165/* VPD Inquiry types */166#define HPSA_INQUIRY_FAILED		0x02167#define HPSA_VPD_SUPPORTED_PAGES        0x00168#define HPSA_VPD_LV_DEVICE_ID           0x83169#define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1170#define HPSA_VPD_LV_IOACCEL_STATUS      0xC2171#define HPSA_VPD_LV_STATUS		0xC3172#define HPSA_VPD_HEADER_SZ              4173 174/* Logical volume states */175#define HPSA_VPD_LV_STATUS_UNSUPPORTED			0xff176#define HPSA_LV_OK                                      0x0177#define HPSA_LV_FAILED					0x01178#define HPSA_LV_NOT_AVAILABLE				0x0b179#define HPSA_LV_UNDERGOING_ERASE			0x0F180#define HPSA_LV_UNDERGOING_RPI				0x12181#define HPSA_LV_PENDING_RPI				0x13182#define HPSA_LV_ENCRYPTED_NO_KEY			0x14183#define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER	0x15184#define HPSA_LV_UNDERGOING_ENCRYPTION			0x16185#define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING		0x17186#define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER	0x18187#define HPSA_LV_PENDING_ENCRYPTION			0x19188#define HPSA_LV_PENDING_ENCRYPTION_REKEYING		0x1A189 190struct vals32 {191	u32   lower;192	u32   upper;193};194 195union u64bit {196	struct vals32 val32;197	u64 val;198};199 200/* FIXME this is a per controller value (barf!) */201#define HPSA_MAX_LUN 1024202#define HPSA_MAX_PHYS_LUN 1024203#define MAX_EXT_TARGETS 32204#define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \205	MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */206 207/* SCSI-3 Commands */208#define HPSA_INQUIRY 0x12209struct InquiryData {210	u8 data_byte[36];211} __packed;212 213#define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */214#define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */215#define HPSA_REPORT_PHYS_EXTENDED 0x02216#define HPSA_CISS_READ	0xc0	/* CISS Read */217#define HPSA_GET_RAID_MAP 0xc8	/* CISS Get RAID Layout Map */218 219#define RAID_MAP_MAX_ENTRIES   256220 221struct raid_map_disk_data {222	u32   ioaccel_handle;         /**< Handle to access this disk via the223					*  I/O accelerator */224	u8    xor_mult[2];            /**< XOR multipliers for this position,225					*  valid for data disks only */226	u8    reserved[2];227} __packed;228 229struct raid_map_data {230	__le32   structure_size;	/* Size of entire structure in bytes */231	__le32   volume_blk_size;	/* bytes / block in the volume */232	__le64   volume_blk_cnt;	/* logical blocks on the volume */233	u8    phys_blk_shift;		/* Shift factor to convert between234					 * units of logical blocks and physical235					 * disk blocks */236	u8    parity_rotation_shift;	/* Shift factor to convert between units237					 * of logical stripes and physical238					 * stripes */239	__le16   strip_size;		/* blocks used on each disk / stripe */240	__le64   disk_starting_blk;	/* First disk block used in volume */241	__le64   disk_blk_cnt;		/* disk blocks used by volume / disk */242	__le16   data_disks_per_row;	/* data disk entries / row in the map */243	__le16   metadata_disks_per_row;/* mirror/parity disk entries / row244					 * in the map */245	__le16   row_cnt;		/* rows in each layout map */246	__le16   layout_map_count;	/* layout maps (1 map per mirror/parity247					 * group) */248	__le16   flags;			/* Bit 0 set if encryption enabled */249#define RAID_MAP_FLAG_ENCRYPT_ON  0x01250	__le16   dekindex;		/* Data encryption key index. */251	u8    reserved[16];252	struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];253} __packed;254 255struct ReportLUNdata {256	u8 LUNListLength[4];257	u8 extended_response_flag;258	u8 reserved[3];259	u8 LUN[HPSA_MAX_LUN][8];260} __packed;261 262struct ext_report_lun_entry {263	u8 lunid[8];264#define MASKED_DEVICE(x) ((x)[3] & 0xC0)265#define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)266#define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])267#define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \268			GET_BMIC_LEVEL_TWO_TARGET((lunid)))269	u8 wwid[8];270	u8 device_type;271	u8 device_flags;272	u8 lun_count; /* multi-lun device, how many luns */273	u8 redundant_paths;274	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */275} __packed;276 277struct ReportExtendedLUNdata {278	u8 LUNListLength[4];279	u8 extended_response_flag;280	u8 reserved[3];281	struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];282} __packed;283 284struct SenseSubsystem_info {285	u8 reserved[36];286	u8 portname[8];287	u8 reserved1[1108];288} __packed;289 290/* BMIC commands */291#define BMIC_READ 0x26292#define BMIC_WRITE 0x27293#define BMIC_CACHE_FLUSH 0xc2294#define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */295#define BMIC_FLASH_FIRMWARE 0xF7296#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64297#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15298#define BMIC_IDENTIFY_CONTROLLER 0x11299#define BMIC_SET_DIAG_OPTIONS 0xF4300#define BMIC_SENSE_DIAG_OPTIONS 0xF5301#define HPSA_DIAG_OPTS_DISABLE_RLD_CACHING 0x80000000302#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66303#define BMIC_SENSE_STORAGE_BOX_PARAMS 0x65304 305/* Command List Structure */306union SCSI3Addr {307	struct {308		u8 Dev;309		u8 Bus:6;310		u8 Mode:2;        /* b00 */311	} PeripDev;312	struct {313		u8 DevLSB;314		u8 DevMSB:6;315		u8 Mode:2;        /* b01 */316	} LogDev;317	struct {318		u8 Dev:5;319		u8 Bus:3;320		u8 Targ:6;321		u8 Mode:2;        /* b10 */322	} LogUnit;323} __packed;324 325struct PhysDevAddr {326	u32             TargetId:24;327	u32             Bus:6;328	u32             Mode:2;329	/* 2 level target device addr */330	union SCSI3Addr  Target[2];331} __packed;332 333struct LogDevAddr {334	u32            VolId:30;335	u32            Mode:2;336	u8             reserved[4];337} __packed;338 339union LUNAddr {340	u8               LunAddrBytes[8];341	union SCSI3Addr    SCSI3Lun[4];342	struct PhysDevAddr PhysDev;343	struct LogDevAddr  LogDev;344} __packed;345 346struct CommandListHeader {347	u8              ReplyQueue;348	u8              SGList;349	__le16          SGTotal;350	__le64		tag;351	union LUNAddr     LUN;352} __packed;353 354struct RequestBlock {355	u8   CDBLen;356	/*357	 * type_attr_dir:358	 * type: low 3 bits359	 * attr: middle 3 bits360	 * dir: high 2 bits361	 */362	u8	type_attr_dir;363#define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\364				(((a) & 0x07) << 3) |\365				((t) & 0x07))366#define GET_TYPE(tad) ((tad) & 0x07)367#define GET_ATTR(tad) (((tad) >> 3) & 0x07)368#define GET_DIR(tad) (((tad) >> 6) & 0x03)369	u16  Timeout;370	u8   CDB[16];371} __packed;372 373struct ErrDescriptor {374	__le64 Addr;375	__le32 Len;376} __packed;377 378struct SGDescriptor {379	__le64 Addr;380	__le32 Len;381	__le32 Ext;382} __packed;383 384union MoreErrInfo {385	struct {386		u8  Reserved[3];387		u8  Type;388		u32 ErrorInfo;389	} Common_Info;390	struct {391		u8  Reserved[2];392		u8  offense_size; /* size of offending entry */393		u8  offense_num;  /* byte # of offense 0-base */394		u32 offense_value;395	} Invalid_Cmd;396} __packed;397 398struct ErrorInfo {399	u8               ScsiStatus;400	u8               SenseLen;401	u16              CommandStatus;402	u32              ResidualCnt;403	union MoreErrInfo  MoreErrInfo;404	u8               SenseInfo[SENSEINFOBYTES];405} __packed;406/* Command types */407#define CMD_IOCTL_PEND  0x01408#define CMD_SCSI	0x03409#define CMD_IOACCEL1	0x04410#define CMD_IOACCEL2	0x05411#define IOACCEL2_TMF	0x06412 413#define DIRECT_LOOKUP_SHIFT 4414#define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))415 416#define HPSA_ERROR_BIT          0x02417struct ctlr_info; /* defined in hpsa.h */418/* The size of this structure needs to be divisible by 128419 * on all architectures.  The low 4 bits of the addresses420 * are used as follows:421 *422 * bit 0: to device, used to indicate "performant mode" command423 *        from device, indidcates error status.424 * bit 1-3: to device, indicates block fetch table entry for425 *          reducing DMA in fetching commands from host memory.426 */427 428#define COMMANDLIST_ALIGNMENT 128429struct CommandList {430	struct CommandListHeader Header;431	struct RequestBlock      Request;432	struct ErrDescriptor     ErrDesc;433	struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];434	/* information associated with the command */435	u32			   busaddr; /* physical addr of this record */436	struct ErrorInfo *err_info; /* pointer to the allocated mem */437	struct ctlr_info	   *h;438	int			   cmd_type;439	long			   cmdindex;440	struct completion *waiting;441	struct scsi_cmnd *scsi_cmd;442	struct work_struct work;443 444	/*445	 * For commands using either of the two "ioaccel" paths to446	 * bypass the RAID stack and go directly to the physical disk447	 * phys_disk is a pointer to the hpsa_scsi_dev_t to which the448	 * i/o is destined.  We need to store that here because the command449	 * may potentially encounter TASK SET FULL and need to be resubmitted450	 * For "normal" i/o's not using the "ioaccel" paths, phys_disk is451	 * not used.452	 */453	struct hpsa_scsi_dev_t *phys_disk;454 455	bool retry_pending;456	struct hpsa_scsi_dev_t *device;457	atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */458} __aligned(COMMANDLIST_ALIGNMENT);459 460/*461 * Make sure our embedded atomic variable is aligned. Otherwise we break atomic462 * operations on architectures that don't support unaligned atomics like IA64.463 *464 * The assert guards against reintroductin against unwanted __packed to465 * the struct CommandList.466 */467static_assert(offsetof(struct CommandList, refcount) % __alignof__(atomic_t) == 0);468 469/* Max S/G elements in I/O accelerator command */470#define IOACCEL1_MAXSGENTRIES           24471#define IOACCEL2_MAXSGENTRIES		28472 473/*474 * Structure for I/O accelerator (mode 1) commands.475 * Note that this structure must be 128-byte aligned in size.476 */477#define IOACCEL1_COMMANDLIST_ALIGNMENT 128478struct io_accel1_cmd {479	__le16 dev_handle;		/* 0x00 - 0x01 */480	u8  reserved1;			/* 0x02 */481	u8  function;			/* 0x03 */482	u8  reserved2[8];		/* 0x04 - 0x0B */483	u32 err_info;			/* 0x0C - 0x0F */484	u8  reserved3[2];		/* 0x10 - 0x11 */485	u8  err_info_len;		/* 0x12 */486	u8  reserved4;			/* 0x13 */487	u8  sgl_offset;			/* 0x14 */488	u8  reserved5[7];		/* 0x15 - 0x1B */489	__le32 transfer_len;		/* 0x1C - 0x1F */490	u8  reserved6[4];		/* 0x20 - 0x23 */491	__le16 io_flags;		/* 0x24 - 0x25 */492	u8  reserved7[14];		/* 0x26 - 0x33 */493	u8  LUN[8];			/* 0x34 - 0x3B */494	__le32 control;			/* 0x3C - 0x3F */495	u8  CDB[16];			/* 0x40 - 0x4F */496	u8  reserved8[16];		/* 0x50 - 0x5F */497	__le16 host_context_flags;	/* 0x60 - 0x61 */498	__le16 timeout_sec;		/* 0x62 - 0x63 */499	u8  ReplyQueue;			/* 0x64 */500	u8  reserved9[3];		/* 0x65 - 0x67 */501	__le64 tag;			/* 0x68 - 0x6F */502	__le64 host_addr;		/* 0x70 - 0x77 */503	u8  CISS_LUN[8];		/* 0x78 - 0x7F */504	struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];505} __packed __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);506 507#define IOACCEL1_FUNCTION_SCSIIO        0x00508#define IOACCEL1_SGLOFFSET              32509 510#define IOACCEL1_IOFLAGS_IO_REQ         0x4000511#define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F512#define IOACCEL1_IOFLAGS_CDBLEN_MAX     16513 514#define IOACCEL1_CONTROL_NODATAXFER     0x00000000515#define IOACCEL1_CONTROL_DATA_OUT       0x01000000516#define IOACCEL1_CONTROL_DATA_IN        0x02000000517#define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800518#define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11519#define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000520#define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100521#define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200522#define IOACCEL1_CONTROL_ACA            0x00000400523 524#define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013525 526#define IOACCEL1_BUSADDR_CMDTYPE        0x00000060527 528struct ioaccel2_sg_element {529	__le64 address;530	__le32 length;531	u8 reserved[3];532	u8 chain_indicator;533#define IOACCEL2_CHAIN 0x80534#define IOACCEL2_LAST_SG 0x40535} __packed;536 537/*538 * SCSI Response Format structure for IO Accelerator Mode 2539 */540struct io_accel2_scsi_response {541	u8 IU_type;542#define IOACCEL2_IU_TYPE_SRF			0x60543	u8 reserved1[3];544	u8 req_id[4];		/* request identifier */545	u8 reserved2[4];546	u8 serv_response;		/* service response */547#define IOACCEL2_SERV_RESPONSE_COMPLETE		0x000548#define IOACCEL2_SERV_RESPONSE_FAILURE		0x001549#define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE	0x002550#define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS	0x003551#define IOACCEL2_SERV_RESPONSE_TMF_REJECTED	0x004552#define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN	0x005553	u8 status;			/* status */554#define IOACCEL2_STATUS_SR_TASK_COMP_GOOD	0x00555#define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND	0x02556#define IOACCEL2_STATUS_SR_TASK_COMP_BUSY	0x08557#define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON	0x18558#define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL	0x28559#define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED	0x40560#define IOACCEL2_STATUS_SR_IOACCEL_DISABLED	0x0E561#define IOACCEL2_STATUS_SR_IO_ERROR		0x01562#define IOACCEL2_STATUS_SR_IO_ABORTED		0x02563#define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE	0x03564#define IOACCEL2_STATUS_SR_INVALID_DEVICE	0x04565#define IOACCEL2_STATUS_SR_UNDERRUN		0x51566#define IOACCEL2_STATUS_SR_OVERRUN		0x75567	u8 data_present;		/* low 2 bits */568#define IOACCEL2_NO_DATAPRESENT		0x000569#define IOACCEL2_RESPONSE_DATAPRESENT	0x001570#define IOACCEL2_SENSE_DATA_PRESENT	0x002571#define IOACCEL2_RESERVED		0x003572	u8 sense_data_len;		/* sense/response data length */573	u8 resid_cnt[4];		/* residual count */574	u8 sense_data_buff[32];		/* sense/response data buffer */575} __packed;576 577/*578 * Structure for I/O accelerator (mode 2 or m2) commands.579 * Note that this structure must be 128-byte aligned in size.580 */581#define IOACCEL2_COMMANDLIST_ALIGNMENT 128582struct io_accel2_cmd {583	u8  IU_type;			/* IU Type */584	u8  direction;			/* direction, memtype, and encryption */585#define IOACCEL2_DIRECTION_MASK		0x03 /* bits 0,1: direction  */586#define IOACCEL2_DIRECTION_MEMTYPE_MASK	0x04 /* bit 2: memtype source/dest */587					     /*     0b=PCIe, 1b=DDR */588#define IOACCEL2_DIRECTION_ENCRYPT_MASK	0x08 /* bit 3: encryption flag */589					     /*     0=off, 1=on */590	u8  reply_queue;		/* Reply Queue ID */591	u8  reserved1;			/* Reserved */592	__le32 scsi_nexus;		/* Device Handle */593	__le32 Tag;			/* cciss tag, lower 4 bytes only */594	__le32 tweak_lower;		/* Encryption tweak, lower 4 bytes */595	u8  cdb[16];			/* SCSI Command Descriptor Block */596	u8  cciss_lun[8];		/* 8 byte SCSI address */597	__le32 data_len;		/* Total bytes to transfer */598	u8  cmd_priority_task_attr;	/* priority and task attrs */599#define IOACCEL2_PRIORITY_MASK 0x78600#define IOACCEL2_ATTR_MASK 0x07601	u8  sg_count;			/* Number of sg elements */602	__le16 dekindex;		/* Data encryption key index */603	__le64 err_ptr;			/* Error Pointer */604	__le32 err_len;			/* Error Length*/605	__le32 tweak_upper;		/* Encryption tweak, upper 4 bytes */606	struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];607	struct io_accel2_scsi_response error_data;608} __packed __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);609 610/*611 * defines for Mode 2 command struct612 * FIXME: this can't be all I need mfm613 */614#define IOACCEL2_IU_TYPE	0x40615#define IOACCEL2_IU_TMF_TYPE	0x41616#define IOACCEL2_DIR_NO_DATA	0x00617#define IOACCEL2_DIR_DATA_IN	0x01618#define IOACCEL2_DIR_DATA_OUT	0x02619#define IOACCEL2_TMF_ABORT	0x01620/*621 * SCSI Task Management Request format for Accelerator Mode 2622 */623struct hpsa_tmf_struct {624	u8 iu_type;		/* Information Unit Type */625	u8 reply_queue;		/* Reply Queue ID */626	u8 tmf;			/* Task Management Function */627	u8 reserved1;		/* byte 3 Reserved */628	__le32 it_nexus;	/* SCSI I-T Nexus */629	u8 lun_id[8];		/* LUN ID for TMF request */630	__le64 tag;		/* cciss tag associated w/ request */631	__le64 abort_tag;	/* cciss tag of SCSI cmd or TMF to abort */632	__le64 error_ptr;		/* Error Pointer */633	__le32 error_len;		/* Error Length */634} __packed __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);635 636/* Configuration Table Structure */637struct HostWrite {638	__le32		TransportRequest;639	__le32		command_pool_addr_hi;640	__le32		CoalIntDelay;641	__le32		CoalIntCount;642} __packed;643 644#define SIMPLE_MODE     0x02645#define PERFORMANT_MODE 0x04646#define MEMQ_MODE       0x08647#define IOACCEL_MODE_1  0x80648 649#define DRIVER_SUPPORT_UA_ENABLE        0x00000001650 651struct CfgTable {652	u8		Signature[4];653	__le32		SpecValence;654	__le32		TransportSupport;655	__le32		TransportActive;656	struct HostWrite HostWrite;657	__le32		CmdsOutMax;658	__le32		BusTypes;659	__le32		TransMethodOffset;660	u8		ServerName[16];661	__le32		HeartBeat;662	__le32		driver_support;663#define			ENABLE_SCSI_PREFETCH		0x100664#define			ENABLE_UNIT_ATTN		0x01665	__le32		MaxScatterGatherElements;666	__le32		MaxLogicalUnits;667	__le32		MaxPhysicalDevices;668	__le32		MaxPhysicalDrivesPerLogicalUnit;669	__le32		MaxPerformantModeCommands;670	__le32		MaxBlockFetch;671	__le32		PowerConservationSupport;672	__le32		PowerConservationEnable;673	__le32		TMFSupportFlags;674	u8		TMFTagMask[8];675	u8		reserved[0x78 - 0x70];676	__le32		misc_fw_support;		/* offset 0x78 */677#define			MISC_FW_DOORBELL_RESET		0x02678#define			MISC_FW_DOORBELL_RESET2		0x010679#define			MISC_FW_RAID_OFFLOAD_BASIC	0x020680#define			MISC_FW_EVENT_NOTIFY		0x080681	u8		driver_version[32];682	__le32		max_cached_write_size;683	u8		driver_scratchpad[16];684	__le32		max_error_info_length;685	__le32		io_accel_max_embedded_sg_count;686	__le32		io_accel_request_size_offset;687	__le32		event_notify;688#define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)689#define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)690	__le32		clear_event_notify;691} __packed;692 693#define NUM_BLOCKFETCH_ENTRIES 8694struct TransTable_struct {695	__le32		BlockFetch[NUM_BLOCKFETCH_ENTRIES];696	__le32		RepQSize;697	__le32		RepQCount;698	__le32		RepQCtrAddrLow32;699	__le32		RepQCtrAddrHigh32;700#define MAX_REPLY_QUEUES 64701	struct vals32  RepQAddr[MAX_REPLY_QUEUES];702} __packed;703 704struct hpsa_pci_info {705	unsigned char	bus;706	unsigned char	dev_fn;707	unsigned short	domain;708	u32		board_id;709} __packed;710 711struct bmic_identify_controller {712	u8	configured_logical_drive_count;	/* offset 0 */713	u8	pad1[153];714	__le16	extended_logical_unit_count;	/* offset 154 */715	u8	pad2[136];716	u8	controller_mode;	/* offset 292 */717	u8	pad3[32];718} __packed;719 720 721struct bmic_identify_physical_device {722	u8    scsi_bus;          /* SCSI Bus number on controller */723	u8    scsi_id;           /* SCSI ID on this bus */724	__le16 block_size;	     /* sector size in bytes */725	__le32 total_blocks;	     /* number for sectors on drive */726	__le32 reserved_blocks;   /* controller reserved (RIS) */727	u8    model[40];         /* Physical Drive Model */728	u8    serial_number[40]; /* Drive Serial Number */729	u8    firmware_revision[8]; /* drive firmware revision */730	u8    scsi_inquiry_bits; /* inquiry byte 7 bits */731	u8    compaq_drive_stamp; /* 0 means drive not stamped */732	u8    last_failure_reason;733#define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG		0x01734#define BMIC_LAST_FAILURE_ERROR_ERASING_RIS			0x02735#define BMIC_LAST_FAILURE_ERROR_SAVING_RIS			0x03736#define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND			0x04737#define BMIC_LAST_FAILURE_MARK_BAD_FAILED			0x05738#define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP	0x06739#define BMIC_LAST_FAILURE_TIMEOUT				0x07740#define BMIC_LAST_FAILURE_AUTOSENSE_FAILED			0x08741#define BMIC_LAST_FAILURE_MEDIUM_ERROR_1			0x09742#define BMIC_LAST_FAILURE_MEDIUM_ERROR_2			0x0a743#define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE			0x0b744#define BMIC_LAST_FAILURE_NOT_READY				0x0c745#define BMIC_LAST_FAILURE_HARDWARE_ERROR			0x0d746#define BMIC_LAST_FAILURE_ABORTED_COMMAND			0x0e747#define BMIC_LAST_FAILURE_WRITE_PROTECTED			0x0f748#define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER		0x10749#define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR			0x11750#define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG			0x12751#define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED		0x13752#define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG			0x14753#define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED		0x15754#define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED		0x16755#define BMIC_LAST_FAILURE_INQUIRY_FAILED			0x17756#define BMIC_LAST_FAILURE_NON_DISK_DEVICE			0x18757#define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED			0x19758#define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE			0x1a759#define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED		0x1b760#define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED		0x1c761#define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP		0x1d762#define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED		0x1e763#define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR			0x1f764#define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS			0x20765#define BMIC_LAST_FAILURE_WRONG_REPLACE				0x21766#define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED		0x22767#define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED			0x23768#define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE		0x24769#define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG		0x25770#define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG		0x26771#define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED		0x27772#define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY			0x28773#define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED		0x29774#define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY			0x2a775#define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED			0x2b776 777#define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED			0x37778#define BMIC_LAST_FAILURE_PHY_RESET_FAILED			0x38779#define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE		0x40780#define BMIC_LAST_FAILURE_KC_VOLUME_FAILED			0x41781#define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT		0x42782#define BMIC_LAST_FAILURE_OFFLINE_ERASE				0x80783#define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL			0x81784#define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX		0x82785#define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE		0x83786 787	u8     flags;788	u8     more_flags;789	u8     scsi_lun;          /* SCSI LUN for phys drive */790	u8     yet_more_flags;791	u8     even_more_flags;792	__le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */793	u8     phys_connector[2];         /* connector number on controller */794	u8     phys_box_on_bus;  /* phys enclosure this drive resides */795	u8     phys_bay_in_box;  /* phys drv bay this drive resides */796	__le32 rpm;              /* Drive rotational speed in rpm */797	u8     device_type;       /* type of drive */798#define BMIC_DEVICE_TYPE_CONTROLLER	0x07799 800	u8     sata_version;     /* only valid when drive_type is SATA */801	__le64 big_total_block_count;802	__le64 ris_starting_lba;803	__le32 ris_size;804	u8     wwid[20];805	u8     controller_phy_map[32];806	__le16 phy_count;807	u8     phy_connected_dev_type[256];808	u8     phy_to_drive_bay_num[256];809	__le16 phy_to_attached_dev_index[256];810	u8     box_index;811	u8     reserved;812	__le16 extra_physical_drive_flags;813#define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \814	(idphydrv->extra_physical_drive_flags & (1 << 10))815	u8     negotiated_link_rate[256];816	u8     phy_to_phy_map[256];817	u8     redundant_path_present_map;818	u8     redundant_path_failure_map;819	u8     active_path_number;820	__le16 alternate_paths_phys_connector[8];821	u8     alternate_paths_phys_box_on_port[8];822	u8     multi_lun_device_lun_count;823	u8     minimum_good_fw_revision[8];824	u8     unique_inquiry_bytes[20];825	u8     current_temperature_degreesC;826	u8     temperature_threshold_degreesC;827	u8     max_temperature_degreesC;828	u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */829	__le16 current_queue_depth_limit;830	u8     reserved_switch_stuff[60];831	__le16 power_on_hours; /* valid only if gas gauge supported */832	__le16 percent_endurance_used; /* valid only if gas gauge supported. */833#define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \834	((idphydrv->percent_endurance_used & 0x80) || \835	 (idphydrv->percent_endurance_used > 10000))836	u8     drive_authentication;837#define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \838	(idphydrv->drive_authentication == 0x80)839	u8     smart_carrier_authentication;840#define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \841	(idphydrv->smart_carrier_authentication != 0x0)842#define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \843	(idphydrv->smart_carrier_authentication == 0x01)844	u8     smart_carrier_app_fw_version;845	u8     smart_carrier_bootloader_fw_version;846	u8     sanitize_support_flags;847	u8     drive_key_flags;848	u8     encryption_key_name[64];849	__le32 misc_drive_flags;850	__le16 dek_index;851	__le16 hba_drive_encryption_flags;852	__le16 max_overwrite_time;853	__le16 max_block_erase_time;854	__le16 max_crypto_erase_time;855	u8     device_connector_info[5];856	u8     connector_name[8][8];857	u8     page_83_id[16];858	u8     max_link_rate[256];859	u8     neg_phys_link_rate[256];860	u8     box_conn_name[8];861} __packed __attribute((aligned(512)));862 863struct bmic_sense_subsystem_info {864	u8	primary_slot_number;865	u8	reserved[3];866	u8	chasis_serial_number[32];867	u8	primary_world_wide_id[8];868	u8	primary_array_serial_number[32]; /* NULL terminated */869	u8	primary_cache_serial_number[32]; /* NULL terminated */870	u8	reserved_2[8];871	u8	secondary_array_serial_number[32];872	u8	secondary_cache_serial_number[32];873	u8	pad[332];874} __packed;875 876struct bmic_sense_storage_box_params {877	u8	reserved[36];878	u8	inquiry_valid;879	u8	reserved_1[68];880	u8	phys_box_on_port;881	u8	reserved_2[22];882	u16	connection_info;883	u8	reserver_3[84];884	u8	phys_connector[2];885	u8	reserved_4[296];886} __packed;887 888#endif /* HPSA_CMD_H */889