/* * Copyright (c) 1997 by Simon Shapiro * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* * * dpt.h: Definitions and constants used by the SCSI side of the DPT * * credits: Mike Neuffer; DPT low level code and in other areas as well. * Mark Salyzyn; Many vital bits of info and diagnostics. * Justin Gibbs; FreeBSD API, debugging and style * Ron McDaniels; SCSI Software Interrupts * FreeBSD.ORG; Great O/S to work on and for. */ #ident "$Id: dpt.h,v 1.4 1998/09/22 04:55:07 gibbs Exp $" #ifndef _DPT_H #define _DPT_H #include #define DPT_CDEV_MAJOR 88 #undef DPT_USE_DLM_SWI extern u_long dpt_unit; #define DPT_RELEASE 1 #define DPT_VERSION 4 #define DPT_PATCH 5 #define DPT_MONTH 8 #define DPT_DAY 3 #define DPT_YEAR 18 /* 1998 - 1980 */ #define DPT_CTL_RELEASE 1 #define DPT_CTL_VERSION 0 #define DPT_CTL_PATCH 6 #ifndef PAGESIZ #define PAGESIZ 4096 #endif #ifndef physaddr typedef void *physaddr; #endif #undef DPT_INQUIRE_DEVICES /* We have no buyers for this function */ #define DPT_SUPPORT_POLLING /* Use polled mode at boot (must be ON!) */ #define DPT_OPENNINGS 8 /* Commands-in-progress per device */ #define DPT_RETRIES 5 /* Times to retry failed commands */ #undef DPT_DISABLE_SG #define DPT_HAS_OPEN /* Arguments to dpt_run_queue() can be: */ #define DPT_MAX_TARGET_MODE_BUFFER_SIZE 8192 #define DPT_FREE_LIST_INCREMENT 64 #define DPT_CMD_LEN 12 /* * How many segments do we want in a Scatter/Gather list? * Some HBA's can do 16, Some 8192. Since we pre-allocate * them in fixed increments, we need to put a practical limit on * these. A passed parameter (from kernel boot or lkm) would help */ #define DPT_MAX_SEGS 32 /* Debug levels */ #undef DPT_DEBUG_PCI #undef DPT_DEBUG_INIT #undef DPT_DEBUG_SETUP #undef DPT_DEBUG_STATES #undef DPT_DEBUG_CONFIG #undef DPT_DEBUG_QUEUES #undef DPT_DEBUG_SCSI_CMD #undef DPT_DEBUG_SOFTINTR #undef DPT_DEBUG_HARDINTR #undef DPT_DEBUG_HEX_DUMPS #undef DPT_DEBUG_POLLING #undef DPT_DEBUG_INQUIRE #undef DPT_DEBUG_COMPLETION #undef DPT_DEBUG_COMPLETION_ERRORS #define DPT_DEBUG_MINPHYS #undef DPT_DEBUG_SG #undef DPT_DEBUG_SG_SHOW_DATA #undef DPT_DEBUG_SCSI_CMD_NAME #undef DPT_DEBUG_CONTROL #undef DPT_DEBUG_TIMEOUTS #undef DPT_DEBUG_SHUTDOWN #define DPT_DEBUG_USER_CMD /* * Misc. definitions */ #undef TRUE #undef FALSE #define TRUE 1 #define FALSE 0 #define MAX_CHANNELS 3 #define MAX_TARGETS 16 #define MAX_LUNS 8 /* Map minor numbers to device identity */ #define TARGET_MASK 0x000f #define BUS_MASK 0x0030 #define HBA_MASK 0x01c0 #define LUN_MASK 0x0e00 #define minor2target(minor) ( minor & TARGET_MASK ) #define minor2bus(minor) ( (minor & BUS_MASK) >> 4 ) #define minor2hba(minor) ( (minor & HBA_MASK) >> 6 ) #define minor2lun(minor) ( (minor & LUN_MASK) >> 9 ) /* * Valid values for cache_type */ #define DPT_NO_CACHE 0 #define DPT_CACHE_WRITETHROUGH 1 #define DPT_CACHE_WRITEBACK -2 #define min(a,b) ((ahost->hostdata)) #define CD(cmd) ((struct eata_ccb *)(cmd->host_scribble)) #define SD(host) ((hostdata *)&(host->hostdata)) /* * EATA Command & Register definitions */ #define PCI_REG_DPTconfig 0x40 #define PCI_REG_PumpModeAddress 0x44 #define PCI_REG_PumpModeData 0x48 #define PCI_REG_ConfigParam1 0x50 #define PCI_REG_ConfigParam2 0x54 #define EATA_CMD_PIO_SETUPTEST 0xc6 #define EATA_CMD_PIO_READ_CONFIG 0xf0 #define EATA_CMD_PIO_SET_CONFIG 0xf1 #define EATA_CMD_PIO_SEND_CP 0xf2 #define EATA_CMD_PIO_RECEIVE_SP 0xf3 #define EATA_CMD_PIO_TRUNC 0xf4 #define EATA_CMD_RESET 0xf9 #define EATA_COLD_BOOT 0x06 /* Last resort only! */ #define EATA_CMD_IMMEDIATE 0xfa #define EATA_CMD_DMA_READ_CONFIG 0xfd #define EATA_CMD_DMA_SET_CONFIG 0xfe #define EATA_CMD_DMA_SEND_CP 0xff #define ECS_EMULATE_SENSE 0xd4 /* * Immediate Commands * Beware of this enumeration. Not all commands are in sequence! */ enum { EATA_GENERIC_ABORT, EATA_SPECIFIC_RESET, EATA_BUS_RESET, EATA_SPECIFIC_ABORT, EATA_QUIET_INTR, EATA_SMART_ROM_DL_EN, EATA_COLD_BOOT_HBA, /* Only as a last resort */ EATA_FORCE_IO, EATA_SCSI_BUS_OFFLINE, EATA_RESET_MASKED_BUS, EATA_POWER_OFF_WARN } dpt_immediate_cmd; #define HA_CTRLREG 0x206 /* control register for HBA */ #define HA_CTRL_DISINT 0x02 /* CTRLREG: disable interrupts */ #define HA_CTRL_RESCPU 0x04 /* CTRLREG: reset processo */ #define HA_CTRL_8HEADS 0x08 /* * CTRLREG: set for drives with * >=8 heads * (WD1003 rudimentary :-) */ #define HA_WCOMMAND 0x07 /* command register offset */ #define HA_WIFC 0x06 /* immediate command offset */ #define HA_WCODE 0x05 #define HA_WCODE2 0x04 #define HA_WDMAADDR 0x02 /* DMA address LSB offset */ #define HA_RERROR 0x01 /* Error Register, offset 1 from base */ #define HA_RAUXSTAT 0x08 /* aux status register offset */ #define HA_RSTATUS 0x07 /* status register offset */ #define HA_RDATA 0x00 /* data register (16bit) */ #define HA_WDATA 0x00 /* data register (16bit) */ #define HA_ABUSY 0x01 /* aux busy bit */ #define HA_AIRQ 0x02 /* aux IRQ pending bit */ #define HA_SERROR 0x01 /* pr. command ended in error */ #define HA_SMORE 0x02 /* more data soon to come */ #define HA_SCORR 0x04 /* datio_addra corrected */ #define HA_SDRQ 0x08 /* data request active */ #define HA_SSC 0x10 /* seek complete */ #define HA_SFAULT 0x20 /* write fault */ #define HA_SREADY 0x40 /* drive ready */ #define HA_SBUSY 0x80 /* drive busy */ #define HA_SDRDY (HA_SSC|HA_SREADY|HA_SDRQ) /* * Message definitions */ enum { HA_NO_ERROR, /* No Error */ HA_ERR_SEL_TO, /* Selection Timeout */ HA_ERR_CMD_TO, /* Command Timeout */ HA_SCSIBUS_RESET, HA_HBA_POWER_UP, /* Initial Controller Power-up */ HA_UNX_BUSPHASE, /* Unexpected Bus Phase */ HA_UNX_BUS_FREE, /* Unexpected Bus Free */ HA_BUS_PARITY, /* Bus Parity Error */ HA_SCSI_HUNG, /* SCSI Hung */ HA_UNX_MSGRJCT, /* Unexpected Message Rejected */ HA_RESET_STUCK, /* SCSI Bus Reset Stuck */ HA_RSENSE_FAIL, /* Auto Request-Sense Failed */ HA_PARITY_ERR, /* Controller Ram Parity Error */ HA_CP_ABORT_NA, /* Abort Message sent to non-active cmd */ HA_CP_ABORTED, /* Abort Message sent to active cmd */ HA_CP_RESET_NA, /* Reset Message sent to non-active cmd */ HA_CP_RESET, /* Reset Message sent to active cmd */ HA_ECC_ERR, /* Controller Ram ECC Error */ HA_PCI_PARITY, /* PCI Parity Error */ HA_PCI_MABORT, /* PCI Master Abort */ HA_PCI_TABORT, /* PCI Target Abort */ HA_PCI_STABORT /* PCI Signaled Target Abort */ } dpt_message; #define HA_STATUS_MASK 0x7F #define HA_IDENTIFY_MSG 0x80 #define HA_DISCO_RECO 0x40 /* Disconnect/Reconnect */ #define DPT_RW_BUFF_HEART 0X00 #define DPT_RW_BUFF_DLM 0x02 #define DPT_RW_BUFF_ACCESS 0x03 #define HA_INTR_OFF 1 #define HA_INTR_ON 0 /* This is really a one-time shot through some black magic */ #define DPT_EATA_REVA 0x1c #define DPT_EATA_REVB 0x1e #define DPT_EATA_REVC 0x22 #define DPT_EATA_REVZ 0x24 /* IOCTL List */ #define DPT_RW_CMD_LEN 32 #define DPT_RW_CMD_DUMP_SOFTC "dump softc" #define DPT_RW_CMD_DUMP_SYSINFO "dump sysinfo" #define DPT_RW_CMD_DUMP_METRICS "dump metrics" #define DPT_RW_CMD_CLEAR_METRICS "clear metrics" #define DPT_RW_CMD_SHOW_LED "show LED" #define DPT_IOCTL_INTERNAL_METRICS _IOR('D', 1, dpt_perf_t) #define DPT_IOCTL_SOFTC _IOR('D', 2, dpt_user_softc_t) #define DPT_IOCTL_SEND _IOWR('D', 3, eata_pt_t) #define SDI_SEND 0x40044444 /* Observed from dptmgr */ /* * Other definitions */ #define DPT_HCP_LENGTH(page) (ntohs(*(int16_t *)(void *)(&page[2]))+4) #define DPT_HCP_FIRST(page) (&page[4]) #define DPT_HCP_NEXT(param) (¶m[3 + param[3] + 1]) #define DPT_HCP_CODE(param) (ntohs(*(int16_t *)(void *)param)) /* Possible return values from dpt_register_buffer() */ #define SCSI_TM_READ_BUFFER 0x3c #define SCSI_TM_WRITE_BUFFER 0x3b #define SCSI_TM_MODE_MASK 0x07 /* Strip off reserved and LUN */ #define SCSI_TM_LUN_MASK 0xe0 /* Strip off reserved and LUN */ typedef enum { SUCCESSFULLY_REGISTERED, DRIVER_DOWN, ALREADY_REGISTERED, REGISTERED_TO_ANOTHER, NOT_REGISTERED, INVALID_UNIT, INVALID_SENDER, INVALID_CALLBACK, NO_RESOURCES } dpt_rb_t; typedef enum { REGISTER_BUFFER, RELEASE_BUFFER } dpt_rb_op_t; /* * New way for completion routines to reliably copmplete processing. * Should take properly typed dpt_softc_t and dpt_ccb_t, * but interdependencies preclude that. */ typedef void (*ccb_callback)(void *dpt, int bus, void *ccb); typedef void (*buff_wr_done)(int unit, u_int8_t channel, u_int8_t target, u_int8_t lun, u_int16_t offset, u_int16_t length, int result); typedef void (*dpt_rec_buff)(int unit, u_int8_t channel, u_int8_t target, u_int8_t lun, void *buffer, u_int16_t offset, u_int16_t length); /* HBA's Status port (register) bitmap */ typedef struct reg_bit { /* reading this one will clear the interrupt */ u_int8_t error :1, /* previous command ended in an error */ more :1, /* More DATA coming soon Poll BSY & DRQ (PIO) */ corr :1, /* data read was successfully corrected with ECC */ drq :1, /* data request active */ sc :1, /* seek complete */ fault :1, /* write fault */ ready :1, /* drive ready */ busy :1; /* controller busy */ } dpt_status_reg_t; /* HBA's Auxiliary status port (register) bitmap */ typedef struct reg_abit { /* reading this won't clear the interrupt */ u_int8_t abusy :1, /* auxiliary busy */ irq :1, /* set when drive interrupt is asserted */ :6; } dpt_aux_status_t; /* The EATA Register Set as a structure */ typedef struct eata_register { u_int8_t data_reg[2]; /* R, couldn't figure this one out */ u_int8_t cp_addr[4]; /* W, CP address register */ union { u_int8_t command; /* * W, command code: * [read|set] conf, send CP */ struct reg_bit status; /* R, see register_bit1 */ u_int8_t statusbyte; } ovr; struct reg_abit aux_stat; /* R, see register_bit2 */ } eata_reg_t; /* * Holds the results of a READ_CONFIGURATION command * Beware of data items which are larger than 1 byte. * these come from the DPT in network order. * On an Intel ``CPU'' they will be upside down and backwards! * The dpt_get_conf function is normally responsible for flipping * Everything back. */ typedef struct get_conf { /* Read Configuration Array */ union { struct { u_int8_t foo_DevType; u_int8_t foo_PageCode; u_int8_t foo_Reserved0; u_int8_t foo_len; } foo; u_int32_t foo_length; /* Should return 0x22, 0x24, etc */ } bar; #define gcs_length bar.foo_length #define gcs_PageCode bar.foo.foo_DevType #define gcs_reserved0 bar.foo.foo_Reserved0 #define gcs_len bar.foo.foo_len u_int32_t signature; /* Signature MUST be "EATA". ntohl()`ed */ u_int8_t version2 :4, version :4; /* EATA Version level */ u_int8_t OCS_enabled :1, /* Overlap Command Support enabled */ TAR_support :1, /* SCSI Target Mode supported */ TRNXFR :1, /* Truncate Transfer Cmd Used in PIO Mode */ MORE_support:1, /* MORE supported (PIO Mode Only) */ DMA_support :1, /* DMA supported */ DMA_valid :1, /* DRQ value in Byte 30 is valid */ ATA :1, /* ATA device connected (not supported) */ HAA_valid :1; /* Hostadapter Address is valid */ u_int16_t cppadlen; /* * Number of pad bytes send after CD data set * to zero for DMA commands. Ntohl()`ed */ u_int8_t scsi_idS; /* SCSI ID of controller 2-0 Byte 0 res. */ u_int8_t scsi_id2; /* If not, zero is returned */ u_int8_t scsi_id1; u_int8_t scsi_id0; u_int32_t cplen; /* CP length: number of valid cp bytes */ u_int32_t splen; /* Returned bytes for a received SP command */ u_int16_t queuesiz; /* max number of queueable CPs */ u_int16_t dummy; u_int16_t SGsiz; /* max number of SG table entrie */ u_int8_t IRQ :4,/* IRQ used this HBA */ IRQ_TR :1,/* IRQ Trigger: 0=edge, 1=level */ SECOND :1,/* This is a secondary controller */ DMA_channel:2;/* DRQ index, DRQ is 2comp of DRQX */ u_int8_t sync; /* 0-7 sync active bitmask (deprecated) */ u_int8_t DSBLE :1, /* ISA i/o addressing is disabled */ FORCADR :1, /* i/o address has been forced */ SG_64K :1, SG_UAE :1, :4; u_int8_t MAX_ID :5, /* Max number of SCSI target IDs */ MAX_CHAN :3; /* Number of SCSI busses on HBA */ u_int8_t MAX_LUN; /* Max number of LUNs */ u_int8_t :3, AUTOTRM :1, M1_inst :1, ID_qest :1, /* Raidnum ID is questionable */ is_PCI :1, /* HBA is PCI */ is_EISA :1; /* HBA is EISA */ u_int8_t RAIDNUM; /* unique HBA identifier */ u_int8_t unused[4]; /* When doing PIO, you GET 512 bytes */ /* >>------>> End of The DPT structure <<------<< */ u_int32_t length; /* True length, after ntohl conversion */ } dpt_conf_t; /* Scatter-Gather list entry */ typedef struct dpt_sg_segment { u_int32_t seg_addr; /* All fields in network byte order */ u_int32_t seg_len; } dpt_sg_t; /* Status Packet */ typedef struct eata_sp { u_int8_t hba_stat :7, /* HBA status */ EOC :1; /* True if command finished */ u_int8_t scsi_stat; /* Target SCSI status */ u_int8_t reserved[2]; u_int32_t residue_len; /* Number of bytes not transferred */ u_int32_t ccb_busaddr; u_int8_t sp_ID_Message; u_int8_t sp_Que_Message; u_int8_t sp_Tag_Message; u_int8_t msg[9]; } dpt_sp_t; /* * A strange collection of O/S-Hardware releated bits and pieces. * Used by the dpt_ioctl() entry point to return DPT_SYSINFO command. */ typedef struct dpt_drive_parameters { u_int16_t cylinders; /* Up to 1024 */ u_int8_t heads; /* Up to 255 */ u_int8_t sectors; /* Up to 63 */ } dpt_drive_t; typedef struct driveParam_S driveParam_T; #define SI_CMOS_Valid 0x0001 #define SI_NumDrivesValid 0x0002 #define SI_ProcessorValid 0x0004 #define SI_MemorySizeValid 0x0008 #define SI_DriveParamsValid 0x0010 #define SI_SmartROMverValid 0x0020 #define SI_OSversionValid 0x0040 #define SI_OSspecificValid 0x0080 #define SI_BusTypeValid 0x0100 #define SI_ALL_VALID 0x0FFF #define SI_NO_SmartROM 0x8000 #define SI_ISA_BUS 0x00 #define SI_MCA_BUS 0x01 #define SI_EISA_BUS 0x02 #define SI_PCI_BUS 0x04 #define HBA_BUS_ISA 0x00 #define HBA_BUS_EISA 0x01 #define HBA_BUS_PCI 0x02 typedef struct dpt_sysinfo { u_int8_t drive0CMOS; /* CMOS Drive 0 Type */ u_int8_t drive1CMOS; /* CMOS Drive 1 Type */ u_int8_t numDrives; /* 0040:0075 contents */ u_int8_t processorFamily; /* Same as DPTSIG definition */ u_int8_t processorType; /* Same as DPTSIG definition */ u_int8_t smartROMMajorVersion; u_int8_t smartROMMinorVersion; /* SmartROM version */ u_int8_t smartROMRevision; u_int16_t flags; /* See bit definitions above */ u_int16_t conventionalMemSize; /* in KB */ u_int32_t extendedMemSize; /* in KB */ u_int32_t osType; /* Same as DPTSIG definition */ u_int8_t osMajorVersion; u_int8_t osMinorVersion; /* The OS version */ u_int8_t osRevision; u_int8_t osSubRevision; u_int8_t busType; /* See defininitions above */ u_int8_t pad[3]; /* For alignment */ dpt_drive_t drives[16]; /* SmartROM Logical Drives */ } dpt_sysinfo_t; /* SEND_COMMAND packet structure */ typedef struct eata_ccb { u_int8_t SCSI_Reset :1, /* Cause a SCSI Bus reset on the cmd */ HBA_Init :1, /* Cause Controller to reinitialize */ Auto_Req_Sen :1, /* Do Auto Request Sense on errors */ scatter :1, /* Data Ptr points to a SG Packet */ Quick :1, /* Set this one for NO Status PAcket */ Interpret :1, /* Interpret the SCSI cdb for own use */ DataOut :1, /* Data Out phase with command */ DataIn :1; /* Data In phase with command */ u_int8_t reqlen; /* Request Sense Length, if Auto_Req_Sen=1 */ u_int8_t unused[3]; u_int8_t FWNEST :1, /* send cmd to phys RAID component */ unused2 :7; u_int8_t Phsunit :1, /* physical unit on mirrored pair */ I_AT :1, /* inhibit address translation */ Disable_Cache :1, /* HBA inhibit caching */ :5; u_int8_t cp_id :5, /* SCSI Device ID of target */ cp_channel :3; /* SCSI Channel # of HBA */ u_int8_t cp_LUN :5, cp_luntar :1, /* CP is for target ROUTINE */ cp_dispri :1, /* Grant disconnect privilege */ cp_identify :1; /* Always TRUE */ u_int8_t cp_msg[3]; /* Message bytes 0-3 */ union { struct { u_int8_t x_scsi_cmd; /* Partial SCSI CDB def */ u_int8_t x_extent :1, x_bytchk :1, x_reladr :1, x_cmplst :1, x_fmtdata :1, x_lun :3; u_int8_t x_page; u_int8_t reserved4; u_int8_t x_len; u_int8_t x_link :1; u_int8_t x_flag :1; u_int8_t reserved5 :4; u_int8_t x_vendor :2; } x; u_int8_t z[12]; /* Command Descriptor Block (= 12) */ } cp_w; #define cp_cdb cp_w.z #define cp_scsi_cmd cp_w.x.x_scsi_cmd #define cp_extent cp_w.x.x_extent #define cp_lun cp_w.x.x_lun #define cp_page cp_w.x.x_page #define cp_len cp_w.x.x_len #define MULTIFUNCTION_CMD 0x0e /* SCSI Multi Function Cmd */ #define BUS_QUIET 0x04 /* Quite Scsi Bus Code */ #define BUS_UNQUIET 0x05 /* Un Quiet Scsi Bus Code */ u_int32_t cp_datalen; /* * Data Transfer Length. If scatter=1 len (IN * BYTES!) of the S/G array */ u_int32_t cp_busaddr; /* Unique identifier. Busaddr works well */ u_int32_t cp_dataDMA; /* * Data Address, if scatter=1 then it is the * address of scatter packet */ u_int32_t cp_statDMA; /* address for Status Packet */ u_int32_t cp_reqDMA; /* * Request Sense Address, used if CP command * ends with error */ u_int8_t CP_OpCode; } eata_ccb_t; /* * DPT Signature Structure. * Used by /dev/dpt to directly pass commands to the HBA * We have more information here than we care for... */ /* Current Signature Version - sigBYTE dsSigVersion; */ #define SIG_VERSION 1 /* * Processor Family - sigBYTE dsProcessorFamily; DISTINCT VALUE * * What type of processor the file is meant to run on. * This will let us know whether to read sigWORDs as high/low or low/high. */ #define PROC_INTEL 0x00 /* Intel 80x86 */ #define PROC_MOTOROLA 0x01 /* Motorola 68K */ #define PROC_MIPS4000 0x02 /* MIPS RISC 4000 */ #define PROC_ALPHA 0x03 /* DEC Alpha */ /* * Specific Minimim Processor - sigBYTE dsProcessor; FLAG BITS * * Different bit definitions dependent on processor_family */ /* PROC_INTEL: */ #define PROC_8086 0x01 /* Intel 8086 */ #define PROC_286 0x02 /* Intel 80286 */ #define PROC_386 0x04 /* Intel 80386 */ #define PROC_486 0x08 /* Intel 80486 */ #define PROC_PENTIUM 0x10 /* Intel 586 aka P5 aka Pentium */ #define PROC_P6 0x20 /* Intel 686 aka P6 */ /* PROC_MOTOROLA: */ #define PROC_68000 0x01 /* Motorola 68000 */ #define PROC_68020 0x02 /* Motorola 68020 */ #define PROC_68030 0x04 /* Motorola 68030 */ #define PROC_68040 0x08 /* Motorola 68040 */ /* Filetype - sigBYTE dsFiletype; DISTINCT VALUES */ #define FT_EXECUTABLE 0 /* Executable Program */ #define FT_SCRIPT 1 /* Script/Batch File??? */ #define FT_HBADRVR 2 /* HBA Driver */ #define FT_OTHERDRVR 3 /* Other Driver */ #define FT_IFS 4 /* Installable Filesystem Driver */ #define FT_ENGINE 5 /* DPT Engine */ #define FT_COMPDRVR 6 /* Compressed Driver Disk */ #define FT_LANGUAGE 7 /* Foreign Language file */ #define FT_FIRMWARE 8 /* Downloadable or actual Firmware */ #define FT_COMMMODL 9 /* Communications Module */ #define FT_INT13 10 /* INT 13 style HBA Driver */ #define FT_HELPFILE 11 /* Help file */ #define FT_LOGGER 12 /* Event Logger */ #define FT_INSTALL 13 /* An Install Program */ #define FT_LIBRARY 14 /* Storage Manager Real-Mode Calls */ #define FT_RESOURCE 15 /* Storage Manager Resource File */ #define FT_MODEM_DB 16 /* Storage Manager Modem Database */ /* Filetype flags - sigBYTE dsFiletypeFlags; FLAG BITS */ #define FTF_DLL 0x01 /* Dynamic Link Library */ #define FTF_NLM 0x02 /* Netware Loadable Module */ #define FTF_OVERLAYS 0x04 /* Uses overlays */ #define FTF_DEBUG 0x08 /* Debug version */ #define FTF_TSR 0x10 /* TSR */ #define FTF_SYS 0x20 /* DOS Lodable driver */ #define FTF_PROTECTED 0x40 /* Runs in protected mode */ #define FTF_APP_SPEC 0x80 /* Application Specific */ /* OEM - sigBYTE dsOEM; DISTINCT VALUES */ #define OEM_DPT 0 /* DPT */ #define OEM_ATT 1 /* ATT */ #define OEM_NEC 2 /* NEC */ #define OEM_ALPHA 3 /* Alphatronix */ #define OEM_AST 4 /* AST */ #define OEM_OLIVETTI 5 /* Olivetti */ #define OEM_SNI 6 /* Siemens/Nixdorf */ /* Operating System - sigLONG dsOS; FLAG BITS */ #define OS_DOS 0x00000001 /* PC/MS-DOS */ #define OS_WINDOWS 0x00000002 /* Microsoft Windows 3.x */ #define OS_WINDOWS_NT 0x00000004 /* Microsoft Windows NT */ #define OS_OS2M 0x00000008 /* OS/2 1.2.x,MS 1.3.0,IBM 1.3.x */ #define OS_OS2L 0x00000010 /* Microsoft OS/2 1.301 - LADDR */ #define OS_OS22x 0x00000020 /* IBM OS/2 2.x */ #define OS_NW286 0x00000040 /* Novell NetWare 286 */ #define OS_NW386 0x00000080 /* Novell NetWare 386 */ #define OS_GEN_UNIX 0x00000100 /* Generic Unix */ #define OS_SCO_UNIX 0x00000200 /* SCO Unix */ #define OS_ATT_UNIX 0x00000400 /* ATT Unix */ #define OS_UNIXWARE 0x00000800 /* UnixWare Unix */ #define OS_INT_UNIX 0x00001000 /* Interactive Unix */ #define OS_SOLARIS 0x00002000 /* SunSoft Solaris */ #define OS_QN 0x00004000 /* QNX for Tom Moch */ #define OS_NEXTSTEP 0x00008000 /* NeXTSTEP */ #define OS_BANYAN 0x00010000 /* Banyan Vines */ #define OS_OLIVETTI_UNIX 0x00020000 /* Olivetti Unix */ #define OS_FREEBSD 0x00040000 /* FreeBSD 2.2 and later */ #define OS_OTHER 0x80000000 /* Other */ /* Capabilities - sigWORD dsCapabilities; FLAG BITS */ #define CAP_RAID0 0x0001 /* RAID-0 */ #define CAP_RAID1 0x0002 /* RAID-1 */ #define CAP_RAID3 0x0004 /* RAID-3 */ #define CAP_RAID5 0x0008 /* RAID-5 */ #define CAP_SPAN 0x0010 /* Spanning */ #define CAP_PASS 0x0020 /* Provides passthrough */ #define CAP_OVERLAP 0x0040 /* Passthrough supports overlapped commands */ #define CAP_ASPI 0x0080 /* Supports ASPI Command Requests */ #define CAP_ABOVE16MB 0x0100 /* ISA Driver supports greater than 16MB */ #define CAP_EXTEND 0x8000 /* Extended info appears after description */ /* Devices Supported - sigWORD dsDeviceSupp; FLAG BITS */ #define DEV_DASD 0x0001 /* DASD (hard drives) */ #define DEV_TAPE 0x0002 /* Tape drives */ #define DEV_PRINTER 0x0004 /* Printers */ #define DEV_PROC 0x0008 /* Processors */ #define DEV_WORM 0x0010 /* WORM drives */ #define DEV_CDROM 0x0020 /* CD-ROM drives */ #define DEV_SCANNER 0x0040 /* Scanners */ #define DEV_OPTICAL 0x0080 /* Optical Drives */ #define DEV_JUKEBOX 0x0100 /* Jukebox */ #define DEV_COMM 0x0200 /* Communications Devices */ #define DEV_OTHER 0x0400 /* Other Devices */ #define DEV_ALL 0xFFFF /* All SCSI Devices */ /* Adapters Families Supported - sigWORD dsAdapterSupp; FLAG BITS */ #define ADF_2001 0x0001 /* PM2001 */ #define ADF_2012A 0x0002 /* PM2012A */ #define ADF_PLUS_ISA 0x0004 /* PM2011,PM2021 */ #define ADF_PLUS_EISA 0x0008 /* PM2012B,PM2022 */ #define ADF_SC3_ISA 0x0010 /* PM2021 */ #define ADF_SC3_EISA 0x0020 /* PM2022,PM2122, etc */ #define ADF_SC3_PCI 0x0040 /* SmartCache III PCI */ #define ADF_SC4_ISA 0x0080 /* SmartCache IV ISA */ #define ADF_SC4_EISA 0x0100 /* SmartCache IV EISA */ #define ADF_SC4_PCI 0x0200 /* SmartCache IV PCI */ #define ADF_ALL_MASTER 0xFFFE /* All bus mastering */ #define ADF_ALL_CACHE 0xFFFC /* All caching */ #define ADF_ALL 0xFFFF /* ALL DPT adapters */ /* Application - sigWORD dsApplication; FLAG BITS */ #define APP_DPTMGR 0x0001 /* DPT Storage Manager */ #define APP_ENGINE 0x0002 /* DPT Engine */ #define APP_SYTOS 0x0004 /* Sytron Sytos Plus */ #define APP_CHEYENNE 0x0008 /* Cheyenne ARCServe + ARCSolo */ #define APP_MSCDEX 0x0010 /* Microsoft CD-ROM extensions */ #define APP_NOVABACK 0x0020 /* NovaStor Novaback */ #define APP_AIM 0x0040 /* Archive Information Manager */ /* Requirements - sigBYTE dsRequirements; FLAG BITS */ #define REQ_SMARTROM 0x01 /* Requires SmartROM to be present */ #define REQ_DPTDDL 0x02 /* Requires DPTDDL.SYS to be loaded */ #define REQ_HBA_DRIVER 0x04 /* Requires an HBA driver to be loaded */ #define REQ_ASPI_TRAN 0x08 /* Requires an ASPI Transport Modules */ #define REQ_ENGINE 0x10 /* Requires a DPT Engine to be loaded */ #define REQ_COMM_ENG 0x20 /* Requires a DPT Communications Engine */ typedef struct dpt_sig { char dsSignature[6]; /* ALWAYS "dPtSiG" */ u_int8_t SigVersion; /* signature version (currently 1) */ u_int8_t ProcessorFamily; /* what type of processor */ u_int8_t Processor; /* precise processor */ u_int8_t Filetype; /* type of file */ u_int8_t FiletypeFlags; /* flags to specify load type, etc. */ u_int8_t OEM; /* OEM file was created for */ u_int32_t OS; /* which Operating systems */ u_int16_t Capabilities; /* RAID levels, etc. */ u_int16_t DeviceSupp; /* Types of SCSI devices supported */ u_int16_t AdapterSupp; /* DPT adapter families supported */ u_int16_t Application; /* applications file is for */ u_int8_t Requirements; /* Other driver dependencies */ u_int8_t Version; /* 1 */ u_int8_t Revision; /* 'J' */ u_int8_t SubRevision; /* '9', ' ' if N/A */ u_int8_t Month; /* creation month */ u_int8_t Day; /* creation day */ u_int8_t Year; /* creation year since 1980 */ char *Description; /* description (NULL terminated) */ } dpt_sig_t; /* 32 bytes minimum - with no description. Put NULL at description[0] */ /* 81 bytes maximum - with 49 character description plus NULL. */ /* This line added at Roycroft's request */ /* Microsoft's NT compiler gets confused if you do a pack and don't */ /* restore it. */ typedef struct eata_pass_through { u_int8_t eataID[4]; u_int32_t command; #define EATAUSRCMD (('D'<<8)|65) /* EATA PassThrough Command */ #define DPT_SIGNATURE (('D'<<8)|67) /* Get Signature Structure */ #define DPT_NUMCTRLS (('D'<<8)|68) /* Get Number Of DPT Adapters */ #define DPT_CTRLINFO (('D'<<8)|69) /* Get Adapter Info Structure */ #define DPT_SYSINFO (('D'<<8)|72) /* Get System Info Structure */ #define DPT_BLINKLED (('D'<<8)|75) /* Get The BlinkLED Status */ u_int8_t *command_buffer; eata_ccb_t command_packet; u_int32_t timeout; u_int8_t host_status; u_int8_t target_status; u_int8_t retries; } eata_pt_t; typedef enum { DCCB_FREE = 0x00, DCCB_ACTIVE = 0x01, DCCB_RELEASE_SIMQ = 0x02 } dccb_state; typedef struct dpt_ccb { eata_ccb_t eata_ccb; bus_dmamap_t dmamap; dpt_sg_t *sg_list; u_int32_t sg_busaddr; dccb_state state; union ccb *ccb; struct scsi_sense_data sense_data; u_int8_t tag; u_int8_t retries; u_int8_t status; /* status of this queueslot */ u_int8_t *cmd; /* address of cmd */ u_int32_t transaction_id; u_int32_t result; caddr_t data; SLIST_ENTRY(dpt_ccb) links; #ifdef DPT_MEASURE_PERFORMANCE u_int32_t submitted_time; struct timeval command_started; struct timeval command_ended; #endif } dpt_ccb_t; /* * This is provided for compatability with UnixWare only. * Some of the fields may be bogus. * Others may have a totally different meaning. */ typedef struct dpt_scsi_ha { u_int32_t ha_state; /* Operational state */ u_int8_t ha_id[MAX_CHANNELS]; /* Host adapter SCSI ids */ int32_t ha_base; /* Base I/O address */ int ha_max_jobs; /* Max number of Active Jobs */ int ha_cache:2; /* Cache parameters */ int ha_cachesize:30; /* In meg, only if cache present*/ int ha_nbus; /* Number Of Busses on HBA */ int ha_ntargets; /* Number Of Targets Supported */ int ha_nluns; /* Number Of LUNs Supported */ int ha_tshift; /* Shift value for target */ int ha_bshift; /* Shift value for bus */ int ha_npend; /* # of jobs sent to HBA */ int ha_active_jobs; /* Number Of Active Jobs */ char ha_fw_version[4]; /* Firmware Revision Level */ void *ha_ccb; /* Controller command blocks */ void *ha_cblist; /* Command block free list */ void *ha_dev; /* Logical unit queues */ void *ha_StPkt_lock; /* Status Packet Lock */ void *ha_ccb_lock; /* CCB Lock */ void *ha_LuQWaiting; /* Lu Queue Waiting List */ void *ha_QWait_lock; /* Device Que Waiting Lock */ int ha_QWait_opri; /* Saved Priority Level */ #ifdef DPT_TARGET_MODE dpt_ccb_t *target_ccb[MAX_CHANNELS]; /* Command block waiting writebuf */ #endif } dpt_compat_ha_t; /* * Describe the Inquiry Data returned on Page 0 from the Adapter. The * Page C1 Inquiry Data is described in the DptConfig_t structure above. */ typedef struct { u_int8_t deviceType; u_int8_t rm_dtq; u_int8_t otherData[6]; u_int8_t vendor[8]; u_int8_t modelNum[16]; u_int8_t firmware[4]; u_int8_t protocol[4]; } dpt_inq_t; /* * sp_EOC is not `safe', so I will check sp_Messages[0] instead! */ #define DptStat_BUSY(x) ((x)->sp_ID_Message) #define DptStat_Reset_BUSY(x) \ ((x)->msg[0] = 0xA5, (x)->EOC = 0, \ (x)->ccb_busaddr = ~0) #ifdef DPT_MEASURE_PERFORMANCE #define BIG_ENOUGH 0x8fffffff typedef struct dpt_metrics { u_int32_t command_count[256]; /* We assume MAX 256 SCSI commands */ u_int32_t max_command_time[256]; u_int32_t min_command_time[256]; u_int32_t min_intr_time; u_int32_t max_intr_time; u_int32_t aborted_interrupts; u_int32_t spurious_interrupts; u_int32_t max_waiting_count; u_int32_t max_submit_count; u_int32_t max_complete_count; u_int32_t min_waiting_time; u_int32_t min_submit_time; u_int32_t min_complete_time; u_int32_t max_waiting_time; u_int32_t max_submit_time; u_int32_t max_complete_time; u_int32_t command_collisions; u_int32_t command_too_busy; u_int32_t max_eata_tries; u_int32_t min_eata_tries; u_int32_t read_by_size_count[10]; u_int32_t write_by_size_count[10]; u_int32_t read_by_size_min_time[10]; u_int32_t read_by_size_max_time[10]; u_int32_t write_by_size_min_time[10]; u_int32_t write_by_size_max_time[10]; #define SIZE_512 0 #define SIZE_1K 1 #define SIZE_2K 2 #define SIZE_4K 3 #define SIZE_8K 4 #define SIZE_16K 5 #define SIZE_32K 6 #define SIZE_64K 7 #define SIZE_BIGGER 8 #define SIZE_OTHER 9 struct timeval intr_started; u_int32_t warm_starts; u_int32_t cold_boots; } dpt_perf_t; #endif struct sg_map_node { bus_dmamap_t sg_dmamap; bus_addr_t sg_physaddr; dpt_sg_t* sg_vaddr; SLIST_ENTRY(sg_map_node) links; }; /* Main state machine and interface structure */ typedef struct dpt_softc { bus_space_tag_t tag; bus_space_handle_t bsh; bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */ dpt_ccb_t *dpt_dccbs; /* Array of dpt ccbs */ bus_addr_t dpt_ccb_busbase; /* phys base address of array */ bus_addr_t dpt_ccb_busend; /* phys end address of array */ u_int32_t handle_interrupts :1, /* Are we ready for real work? */ target_mode_enabled :1, resource_shortage :1, cache_type :2, spare :28; int total_dccbs; int free_dccbs; int pending_ccbs; int completed_ccbs; SLIST_HEAD(, dpt_ccb) free_dccb_list; LIST_HEAD(, ccb_hdr) pending_ccb_list; bus_dma_tag_t parent_dmat; bus_dma_tag_t dccb_dmat; /* dmat for our ccb array */ bus_dmamap_t dccb_dmamap; bus_dma_tag_t sg_dmat; /* dmat for our sg maps */ SLIST_HEAD(, sg_map_node) sg_maps; struct cam_sim *sims[MAX_CHANNELS]; struct cam_path *paths[MAX_CHANNELS]; u_int32_t commands_processed; u_int32_t lost_interrupts; /* * These three parameters can be used to allow for wide scsi, and * for host adapters that support multiple busses. The first two * should be set to 1 more than the actual max id or lun (i.e. 8 for * normal systems). * * There is a FAT assumption here; We assume that these will never * exceed MAX_CHANNELS, MAX_TARGETS, MAX_LUNS */ u_int channels; /* # of avail scsi chan. */ u_int32_t max_id; u_int32_t max_lun; u_int8_t irq; u_int8_t dma_channel; TAILQ_ENTRY(dpt_softc) links; int unit; int init_level; /* * Every object on a unit can have a receiver, if it treats * us as a target. We do that so that separate and independant * clients can consume received buffers. */ #define DPT_RW_BUFFER_SIZE (8 * 1024) dpt_ccb_t *target_ccb[MAX_CHANNELS][MAX_TARGETS][MAX_LUNS]; u_int8_t *rw_buffer[MAX_CHANNELS][MAX_TARGETS][MAX_LUNS]; dpt_rec_buff buffer_receiver[MAX_CHANNELS][MAX_TARGETS][MAX_LUNS]; dpt_inq_t board_data; u_int8_t EATA_revision; u_int8_t bustype; /* bustype of HBA */ u_int32_t state; /* state of HBA */ #define DPT_HA_FREE 0x00000000 #define DPT_HA_OK 0x00000000 #define DPT_HA_NO_TIMEOUT 0x00000000 #define DPT_HA_BUSY 0x00000001 #define DPT_HA_TIMEOUT 0x00000002 #define DPT_HA_RESET 0x00000004 #define DPT_HA_LOCKED 0x00000008 #define DPT_HA_ABORTED 0x00000010 #define DPT_HA_CONTROL_ACTIVE 0x00000020 #define DPT_HA_SHUTDOWN_ACTIVE 0x00000040 #define DPT_HA_COMMAND_ACTIVE 0x00000080 #define DPT_HA_QUIET 0x00000100 #ifdef DPT_LOST_IRQ #define DPT_LOST_IRQ_SET 0x10000000 #define DPT_LOST_IRQ_ACTIVE 0x20000000 #endif #ifdef DPT_HANDLE_TIMEOUTS #define DPT_HA_TIMEOUTS_SET 0x40000000 #define DPT_HA_TIMEOUTS_ACTIVE 0x80000000 #endif u_int8_t primary; /* true if primary */ u_int8_t more_support :1, /* HBA supports MORE flag */ immediate_support :1, /* HBA supports IMMEDIATE */ broken_INQUIRY :1, /* EISA HBA w/broken INQUIRY */ spare2 :5; u_int8_t resetlevel[MAX_CHANNELS]; u_int32_t last_ccb; /* Last used ccb */ u_int32_t cplen; /* size of CP in words */ u_int16_t cppadlen; /* pad length of cp */ u_int16_t max_dccbs; u_int16_t sgsize; /* Entries in the SG list */ u_int8_t hostid[MAX_CHANNELS]; /* SCSI ID of HBA */ u_int32_t cache_size; volatile dpt_sp_t *sp; /* status packet */ /* Copied from the status packet during interrupt handler */ u_int8_t hba_stat; u_int8_t scsi_stat; /* Target SCSI status */ u_int32_t residue_len; /* Number of bytes not transferred */ bus_addr_t sp_physaddr; /* phys address of status packet */ /* * We put ALL conditional elements at the tail for the structure. * If we do not, then userland code will crash or trash based on which * kernel it is running with. * This isi most visible with usr/sbin/dpt_softc(8) */ #ifdef DPT_MEASURE_PERFORMANCE dpt_perf_t performance; #endif #ifdef DPT_RESET_HBA struct timeval last_contact; #endif } dpt_softc_t; /* * This structure is used to pass dpt_softc contents to userland via the * ioctl DPT_IOCTL_SOFTC. The reason for this maddness, is that FreeBSD * (all BSDs ?) chose to actually assign a nasty meaning to the IOCTL word, * encoding 13 bits of it as size. As dpt_softc_t is somewhere between * 8,594 and 8,600 (depends on options), we have to copy the data to * something less than 4KB long. This siliness also solves the problem of * varying definition of dpt_softc_t, As the variants are exluded from * dpt_user_softc. * * See dpt_softc_t above for enumerations, comments and such. */ typedef struct dpt_user_softc { int unit; u_int32_t handle_interrupts :1, /* Are we ready for real work? */ target_mode_enabled :1, spare :30; int total_ccbs_count; int free_ccbs_count; int waiting_ccbs_count; int submitted_ccbs_count; int completed_ccbs_count; u_int32_t queue_status; u_int32_t free_lock; u_int32_t waiting_lock; u_int32_t submitted_lock; u_int32_t completed_lock; u_int32_t commands_processed; u_int32_t lost_interrupts; u_int8_t channels; u_int32_t max_id; u_int32_t max_lun; u_int16_t io_base; u_int8_t *v_membase; u_int8_t *p_membase; u_int8_t irq; u_int8_t dma_channel; dpt_inq_t board_data; u_int8_t EATA_revision; u_int8_t bustype; u_int32_t state; u_int8_t primary; u_int8_t more_support :1, immediate_support :1, broken_INQUIRY :1, spare2 :5; u_int8_t resetlevel[MAX_CHANNELS]; u_int32_t last_ccb; u_int32_t cplen; u_int16_t cppadlen; u_int16_t queuesize; u_int16_t sgsize; u_int8_t hostid[MAX_CHANNELS]; u_int32_t cache_type :2, cache_size :30; } dpt_user_softc_t; /* * Externals: * These all come from dpt_scsi.c * */ #ifdef KERNEL /* This function gets the current hi-res time and returns it to the caller */ static __inline struct timeval dpt_time_now(void) { struct timeval now; microtime(&now); return(now); } /* * Given a minor device number, get its SCSI Unit. */ static __inline int dpt_minor2unit(int minor) { return(minor2hba(minor)); } dpt_softc_t *dpt_minor2softc(int minor_no); #endif /* KERNEL */ /* * This function substracts one timval structure from another, * Returning the result in usec. * It assumes that less than 4 billion usecs passed form start to end. * If times are sensless, ~0 is returned. */ static __inline u_int32_t dpt_time_delta(struct timeval start, struct timeval end) { if (start.tv_sec > end.tv_sec) return(~0); if ( (start.tv_sec == end.tv_sec) && (start.tv_usec > end.tv_usec) ) return(~0); return ( (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec) ); } extern TAILQ_HEAD(dpt_softc_list, dpt_softc) dpt_softcs; extern int dpt_controllers_present; struct dpt_softc* dpt_alloc(u_int unit, bus_space_tag_t tag, bus_space_handle_t bsh); void dpt_free(struct dpt_softc *dpt); int dpt_init(struct dpt_softc *dpt); int dpt_attach(dpt_softc_t * dpt); void dpt_intr(void *arg); #if 0 extern void hex_dump(u_char * data, int length, char *name, int no); extern char *i2bin(unsigned int no, int length); extern char *scsi_cmd_name(u_int8_t cmd); extern dpt_conf_t *dpt_get_conf(dpt_softc_t *dpt, u_int8_t page, u_int8_t target, u_int8_t size, int extent); extern int dpt_setup(dpt_softc_t * dpt, dpt_conf_t * conf); extern int dpt_attach(dpt_softc_t * dpt); extern void dpt_shutdown(int howto, dpt_softc_t *dpt); extern void dpt_detect_cache(dpt_softc_t *dpt); extern int dpt_user_cmd(dpt_softc_t *dpt, eata_pt_t *user_cmd, caddr_t cmdarg, int minor_no); extern u_int8_t dpt_blinking_led(dpt_softc_t *dpt); extern dpt_rb_t dpt_register_buffer(int unit, u_int8_t channel, u_int8_t target, u_int8_t lun, u_int8_t mode, u_int16_t length, u_int16_t offset, dpt_rec_buff callback, dpt_rb_op_t op); extern int dpt_send_buffer(int unit, u_int8_t channel, u_int8_t target, u_int8_t lun, u_int8_t mode, u_int16_t length, u_int16_t offset, void *data, buff_wr_done callback); void dpt_reset_performance(dpt_softc_t *dpt); #endif #endif /* _DPT_H */