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| -rw-r--r-- | sys/sys/dpt.h | 1369 |
1 files changed, 0 insertions, 1369 deletions
diff --git a/sys/sys/dpt.h b/sys/sys/dpt.h deleted file mode 100644 index 6940505bbe43..000000000000 --- a/sys/sys/dpt.h +++ /dev/null @@ -1,1369 +0,0 @@ -/* - * 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 1998/08/05 00:54:37 eivind Exp $" - -#ifndef _DPT_H -#define _DPT_H - -#include <sys/ioccom.h> - -#ifdef DEVFS -#include <sys/devfsext.h> -#endif - -#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 -#define DPT_MAX_SEGS 1024 /* 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) will help - */ - -/* 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) ((a<b)?(a):(b)) - -#define MAXISA 4 -#define MAXEISA 16 -#define MAXPCI 16 -#define MAXIRQ 16 -#define MAXTARGET 16 - -#define IS_ISA 'I' -#define IS_EISA 'E' -#define IS_PCI 'P' - -#define BROKEN_INQUIRY 1 - -#define BUSMASTER 0xff -#define PIO 0xfe - -#define EATA_SIGNATURE 0x41544145 /* little ENDIAN "EATA" */ -#define DPT_BLINK_INDICATOR 0x42445054 - -#define DPT_ID1 0x12 -#define DPT_ID2 0x1 -#define ATT_ID1 0x06 -#define ATT_ID2 0x94 -#define ATT_ID3 0x0 - -#define NEC_ID1 0x38 -#define NEC_ID2 0xa3 -#define NEC_ID3 0x82 - -#define DPT_MAX_ADAPTERS 16 -#define MAX_PCI_DEVICES 32 /* Maximum # Of Devices Per Bus */ -#define MAX_METHOD_2 16 /* Max Devices For Method 2 */ -#define MAX_PCI_BUS 16 /* Maximum # Of Busses Allowed */ - -#define SG_SIZE 64 -#define SG_SIZE_BIG 252 /* max. 8096 elements, 64k */ - -#define DPT_MAX_RETRIES 2 - -#define READ 0 -#define WRITE 1 -#define OTHER 2 - -#define HD(cmd) ((hostdata *)&(cmd->host->hostdata)) -#define CD(cmd) ((struct eata_ccb *)(cmd->host_scribble)) -#define SD(host) ((hostdata *)&(host->hostdata)) - -#define BaseRegister(dpt) ((dpt->v_membase == NULL) \ - ? (u_int32_t)dpt->io_base \ - : (u_int32_t)dpt->v_membase ) - -/* - * 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 */ - dummy:6; -} dpt_aux_status_t; - -/* The whole Register Set as a structure */ -typedef struct eata_register { /* EATA register set */ - 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 not necessary Only - * used in PIO Mode - */ - MORE_support:1, /* MORE supported (only PIO Mode) */ - DMA_support:1, /* DMA supported Driver uses only this mode */ - 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; /* - * Number of bytes returned after we receive - * 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; /* - * device at ID 7 tru 0 is running in - * synchronous mode, this will disappear - */ - 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; /* Network order physaddr Comes BEFORE length! */ - 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 */ - - void *ccb; /* ``Just a signature'' */ - - 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 { /* Send Command Packet structure */ - 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 of 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 */ - unused3:5; - - u_int8_t cp_id:5, /* SCSI Device ID of target */ - cp_channel:3; /* SCSI Channel # of HBA */ - - u_int8_t cp_LUN:3, - :2, - 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_viraddr; /* address of this ccb (unique tag) */ - 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 hae 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_QNX 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 struct dpt_ccb { - TAILQ_ENTRY(dpt_ccb) links; - - struct scsi_xfer *xs; /* the scsi_xfer for this cmd */ - u_int32_t flags; - u_int32_t state; - -/* we need these two for user commands and target mode */ -#define DPT_CCB_STATE_NEW 0x00000000 - -#define DPT_CCB_STATE_MARKED_LOST 0x01000000 -#define DPT_CCB_STATE_MARKED_SALVAGED 0x02000000 - -#define DPT_CCB_STATE_ABORTED 0x20000000 -#define DPT_CCB_STATE_DONE 0x40000000 -#define DPT_CCB_STATE_COMPLETED 0x80000000 - -#ifdef DPT_ABORT_LOSERS -#define DPT_CCB_STATE_MARKED_LOST 0x00000400 -#endif - - struct scsi_sense_data sense_data; - eata_ccb_t eata_ccb; - u_int32_t timeout; - u_int8_t retries; - u_int8_t status; /* status of this queueslot */ - u_int8_t *cmd; /* address of cmd */ - dpt_sg_t *sg_list; - volatile dpt_sp_t status_packet; - u_int8_t status_reg; - u_int8_t aux_status_reg; - - u_int32_t transaction_id; - ccb_callback std_callback; - buff_wr_done wrbuff_callback; - u_int32_t result; - caddr_t data; - -#ifdef DPT_MEASURE_PERFORMANCE - u_int32_t submitted_time; - struct timeval command_started, 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 */ - int ha_vect; /* Interrupt vector number */ - 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 = (struct eata_ccb *)NULL ) - -#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 - -/* Main state machine and interface structure */ - -typedef struct dpt_softc { - int unit; /* - * Are we /dev/dpt0. /dev/dpt1, etc? - * (Controller number) - */ - - u_int32_t handle_interrupts:1, /* Are we ready for real work? */ - target_mode_enabled:1, - spare:30; - - TAILQ_ENTRY(dpt_softc) links; - - 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; - -#define DPT_QUEUES_NONE_ACTIVE 0x00000000 -#define DPT_FREE_QUEUE_ACTIVE 0x00000001 -#define DPT_WAITING_QUEUE_ACTIVE 0x00000002 -#define DPT_SUBMITTED_QUEUE_ACTIVE 0x00000004 -#define DPT_COMPLETED_QUEUE_ACTIVE 0x00000008 -#define DPT_SINTR_ACTIVE 0x00000010 - - TAILQ_HEAD(, dpt_ccb) free_ccbs; - TAILQ_HEAD(, dpt_ccb) waiting_ccbs; - TAILQ_HEAD(, dpt_ccb) submitted_ccbs; - TAILQ_HEAD(, dpt_ccb) completed_ccbs; - - 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_int8_t channels; /* # of avail scsi chan. */ - u_int32_t max_id; - u_int32_t max_lun; - - u_int16_t io_base; - volatile u_int8_t *v_membase; - volatile u_int8_t *p_membase; - - u_int8_t irq; - u_int8_t dma_channel; - - /* Up to 4 (3 really) busses per controller. */ - struct scsi_link sc_scsi_link[4]; - - /* - * 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 queuesize; - u_int16_t sgsize; /* Entries in the SG list */ - u_int8_t hostid[MAX_CHANNELS]; /* SCSI ID of HBA */ - u_int32_t cache_type:2, - cache_size:30; - - volatile dpt_sp_t sp; /* 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 abover 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 & ~SCSI_CONTROL_MASK)); -} - -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) ); -} - -#ifndef _DPT_C_ - -extern TAILQ_HEAD(, dpt_softc) dpt_softc_list; - -extern int dpt_controllers_present; - -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 void dpt_intr(void *arg); -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); - - -#endif /* _DPT_C_ */ - -void dpt_reset_performance(dpt_softc_t *dpt); - -#endif /* _DPT_H */ - |