c9c7976f7f
Free approx 86 major numbers with a mostly automatically generated patch. A number of strategic drivers have been left behind by caution, and a few because they still (ab)use their major number.
1333 lines
41 KiB
C
1333 lines
41 KiB
C
/*
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* Copyright (c) 1997 by Simon Shapiro
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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*
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* dpt.h: Definitions and constants used by the SCSI side of the DPT
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*
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* credits: Mike Neuffer; DPT low level code and in other areas as well.
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* Mark Salyzyn; Many vital bits of info and diagnostics.
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* Justin Gibbs; FreeBSD API, debugging and style
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* Ron McDaniels; SCSI Software Interrupts
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* FreeBSD.ORG; Great O/S to work on and for.
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*/
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#ident "$FreeBSD$"
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#ifndef _DPT_H
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#define _DPT_H
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#include <sys/ioccom.h>
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#undef DPT_USE_DLM_SWI
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#define DPT_RELEASE 1
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#define DPT_VERSION 4
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#define DPT_PATCH 5
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#define DPT_MONTH 8
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#define DPT_DAY 3
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#define DPT_YEAR 18 /* 1998 - 1980 */
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#define DPT_CTL_RELEASE 1
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#define DPT_CTL_VERSION 0
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#define DPT_CTL_PATCH 6
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#ifndef PAGESIZ
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#define PAGESIZ 4096
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#endif
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#ifndef physaddr
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typedef void *physaddr;
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#endif
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#undef DPT_INQUIRE_DEVICES /* We have no buyers for this function */
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#define DPT_SUPPORT_POLLING /* Use polled mode at boot (must be ON!) */
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#define DPT_OPENNINGS 8 /* Commands-in-progress per device */
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#define DPT_RETRIES 5 /* Times to retry failed commands */
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#undef DPT_DISABLE_SG
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#define DPT_HAS_OPEN
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/* Arguments to dpt_run_queue() can be: */
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#define DPT_MAX_TARGET_MODE_BUFFER_SIZE 8192
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#define DPT_FREE_LIST_INCREMENT 64
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#define DPT_CMD_LEN 12
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/*
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* How many segments do we want in a Scatter/Gather list?
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* Some HBA's can do 16, Some 8192. Since we pre-allocate
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* them in fixed increments, we need to put a practical limit on
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* these. A passed parameter (from kernel boot or lkm) would help
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*/
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#define DPT_MAX_SEGS 32
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/* Debug levels */
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#undef DPT_DEBUG_PCI
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#undef DPT_DEBUG_INIT
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#undef DPT_DEBUG_SETUP
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#undef DPT_DEBUG_STATES
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#undef DPT_DEBUG_CONFIG
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#undef DPT_DEBUG_QUEUES
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#undef DPT_DEBUG_SCSI_CMD
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#undef DPT_DEBUG_SOFTINTR
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#undef DPT_DEBUG_HARDINTR
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#undef DPT_DEBUG_HEX_DUMPS
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#undef DPT_DEBUG_POLLING
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#undef DPT_DEBUG_INQUIRE
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#undef DPT_DEBUG_COMPLETION
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#undef DPT_DEBUG_COMPLETION_ERRORS
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#define DPT_DEBUG_MINPHYS
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#undef DPT_DEBUG_SG
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#undef DPT_DEBUG_SG_SHOW_DATA
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#undef DPT_DEBUG_SCSI_CMD_NAME
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#undef DPT_DEBUG_CONTROL
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#undef DPT_DEBUG_TIMEOUTS
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#undef DPT_DEBUG_SHUTDOWN
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#define DPT_DEBUG_USER_CMD
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/*
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* Misc. definitions
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*/
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#undef TRUE
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#undef FALSE
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#define TRUE 1
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#define FALSE 0
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#define MAX_CHANNELS 3
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#define MAX_TARGETS 16
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#define MAX_LUNS 8
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/* Map minor numbers to device identity */
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#define TARGET_MASK 0x000f
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#define BUS_MASK 0x0030
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#define HBA_MASK 0x01c0
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#define LUN_MASK 0x0e00
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#define minor2target(minor) ( minor & TARGET_MASK )
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#define minor2bus(minor) ( (minor & BUS_MASK) >> 4 )
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#define minor2hba(minor) ( (minor & HBA_MASK) >> 6 )
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#define minor2lun(minor) ( (minor & LUN_MASK) >> 9 )
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/*
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* Valid values for cache_type
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*/
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#define DPT_NO_CACHE 0
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#define DPT_CACHE_WRITETHROUGH 1
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#define DPT_CACHE_WRITEBACK -2
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#define min(a,b) ((a<b)?(a):(b))
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#define MAXISA 4
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#define MAXEISA 16
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#define MAXPCI 16
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#define MAXIRQ 16
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#define MAXTARGET 16
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#define IS_ISA 'I'
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#define IS_EISA 'E'
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#define IS_PCI 'P'
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#define BROKEN_INQUIRY 1
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#define BUSMASTER 0xff
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#define PIO 0xfe
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#define EATA_SIGNATURE 0x41544145 /* little ENDIAN "EATA" */
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#define DPT_BLINK_INDICATOR 0x42445054
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#define DPT_ID1 0x12
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#define DPT_ID2 0x1
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#define ATT_ID1 0x06
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#define ATT_ID2 0x94
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#define ATT_ID3 0x0
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#define NEC_ID1 0x38
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#define NEC_ID2 0xa3
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#define NEC_ID3 0x82
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#define MAX_PCI_DEVICES 32 /* Maximum # Of Devices Per Bus */
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#define MAX_METHOD_2 16 /* Max Devices For Method 2 */
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#define MAX_PCI_BUS 16 /* Maximum # Of Busses Allowed */
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#define DPT_MAX_RETRIES 2
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#define READ 0
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#define WRITE 1
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#define OTHER 2
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#define HD(cmd) ((hostdata *)&(cmd->host->hostdata))
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#define CD(cmd) ((struct eata_ccb *)(cmd->host_scribble))
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#define SD(host) ((hostdata *)&(host->hostdata))
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/*
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* EATA Command & Register definitions
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*/
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#define PCI_REG_DPTconfig 0x40
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#define PCI_REG_PumpModeAddress 0x44
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#define PCI_REG_PumpModeData 0x48
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#define PCI_REG_ConfigParam1 0x50
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#define PCI_REG_ConfigParam2 0x54
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#define EATA_CMD_PIO_SETUPTEST 0xc6
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#define EATA_CMD_PIO_READ_CONFIG 0xf0
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#define EATA_CMD_PIO_SET_CONFIG 0xf1
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#define EATA_CMD_PIO_SEND_CP 0xf2
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#define EATA_CMD_PIO_RECEIVE_SP 0xf3
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#define EATA_CMD_PIO_TRUNC 0xf4
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#define EATA_CMD_RESET 0xf9
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#define EATA_COLD_BOOT 0x06 /* Last resort only! */
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#define EATA_CMD_IMMEDIATE 0xfa
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#define EATA_CMD_DMA_READ_CONFIG 0xfd
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#define EATA_CMD_DMA_SET_CONFIG 0xfe
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#define EATA_CMD_DMA_SEND_CP 0xff
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#define ECS_EMULATE_SENSE 0xd4
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/*
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* Immediate Commands
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* Beware of this enumeration. Not all commands are in sequence!
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*/
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enum dpt_immediate_cmd {
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EATA_GENERIC_ABORT,
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EATA_SPECIFIC_RESET,
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EATA_BUS_RESET,
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EATA_SPECIFIC_ABORT,
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EATA_QUIET_INTR,
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EATA_SMART_ROM_DL_EN,
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EATA_COLD_BOOT_HBA, /* Only as a last resort */
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EATA_FORCE_IO,
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EATA_SCSI_BUS_OFFLINE,
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EATA_RESET_MASKED_BUS,
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EATA_POWER_OFF_WARN
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};
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#define HA_CTRLREG 0x206 /* control register for HBA */
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#define HA_CTRL_DISINT 0x02 /* CTRLREG: disable interrupts */
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#define HA_CTRL_RESCPU 0x04 /* CTRLREG: reset processo */
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#define HA_CTRL_8HEADS 0x08 /*
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* CTRLREG: set for drives with
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* >=8 heads
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* (WD1003 rudimentary :-)
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*/
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#define HA_WCOMMAND 0x07 /* command register offset */
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#define HA_WIFC 0x06 /* immediate command offset */
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#define HA_WCODE 0x05
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#define HA_WCODE2 0x04
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#define HA_WDMAADDR 0x02 /* DMA address LSB offset */
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#define HA_RERROR 0x01 /* Error Register, offset 1 from base */
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#define HA_RAUXSTAT 0x08 /* aux status register offset */
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#define HA_RSTATUS 0x07 /* status register offset */
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#define HA_RDATA 0x00 /* data register (16bit) */
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#define HA_WDATA 0x00 /* data register (16bit) */
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#define HA_ABUSY 0x01 /* aux busy bit */
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#define HA_AIRQ 0x02 /* aux IRQ pending bit */
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#define HA_SERROR 0x01 /* pr. command ended in error */
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#define HA_SMORE 0x02 /* more data soon to come */
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#define HA_SCORR 0x04 /* datio_addra corrected */
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#define HA_SDRQ 0x08 /* data request active */
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#define HA_SSC 0x10 /* seek complete */
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#define HA_SFAULT 0x20 /* write fault */
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#define HA_SREADY 0x40 /* drive ready */
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#define HA_SBUSY 0x80 /* drive busy */
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#define HA_SDRDY (HA_SSC|HA_SREADY|HA_SDRQ)
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/*
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* Message definitions
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*/
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enum dpt_message {
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HA_NO_ERROR, /* No Error */
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HA_ERR_SEL_TO, /* Selection Timeout */
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HA_ERR_CMD_TO, /* Command Timeout */
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HA_SCSIBUS_RESET,
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HA_HBA_POWER_UP, /* Initial Controller Power-up */
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HA_UNX_BUSPHASE, /* Unexpected Bus Phase */
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HA_UNX_BUS_FREE, /* Unexpected Bus Free */
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HA_BUS_PARITY, /* Bus Parity Error */
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HA_SCSI_HUNG, /* SCSI Hung */
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HA_UNX_MSGRJCT, /* Unexpected Message Rejected */
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HA_RESET_STUCK, /* SCSI Bus Reset Stuck */
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HA_RSENSE_FAIL, /* Auto Request-Sense Failed */
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HA_PARITY_ERR, /* Controller Ram Parity Error */
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HA_CP_ABORT_NA, /* Abort Message sent to non-active cmd */
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HA_CP_ABORTED, /* Abort Message sent to active cmd */
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HA_CP_RESET_NA, /* Reset Message sent to non-active cmd */
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HA_CP_RESET, /* Reset Message sent to active cmd */
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HA_ECC_ERR, /* Controller Ram ECC Error */
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HA_PCI_PARITY, /* PCI Parity Error */
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HA_PCI_MABORT, /* PCI Master Abort */
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HA_PCI_TABORT, /* PCI Target Abort */
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HA_PCI_STABORT /* PCI Signaled Target Abort */
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};
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#define HA_STATUS_MASK 0x7F
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#define HA_IDENTIFY_MSG 0x80
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#define HA_DISCO_RECO 0x40 /* Disconnect/Reconnect */
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#define DPT_RW_BUFF_HEART 0X00
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#define DPT_RW_BUFF_DLM 0x02
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#define DPT_RW_BUFF_ACCESS 0x03
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#define HA_INTR_OFF 1
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#define HA_INTR_ON 0
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/* This is really a one-time shot through some black magic */
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#define DPT_EATA_REVA 0x1c
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#define DPT_EATA_REVB 0x1e
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#define DPT_EATA_REVC 0x22
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#define DPT_EATA_REVZ 0x24
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/* IOCTL List */
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#define DPT_RW_CMD_LEN 32
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#define DPT_RW_CMD_DUMP_SOFTC "dump softc"
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#define DPT_RW_CMD_DUMP_SYSINFO "dump sysinfo"
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#define DPT_RW_CMD_DUMP_METRICS "dump metrics"
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#define DPT_RW_CMD_CLEAR_METRICS "clear metrics"
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#define DPT_RW_CMD_SHOW_LED "show LED"
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#define DPT_IOCTL_INTERNAL_METRICS _IOR('D', 1, dpt_perf_t)
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#define DPT_IOCTL_SOFTC _IOR('D', 2, dpt_user_softc_t)
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#define DPT_IOCTL_SEND _IOWR('D', 3, eata_pt_t)
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#define SDI_SEND 0x40044444 /* Observed from dptmgr */
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/*
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* Other definitions
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*/
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#define DPT_HCP_LENGTH(page) (ntohs(*(int16_t *)(void *)(&page[2]))+4)
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#define DPT_HCP_FIRST(page) (&page[4])
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#define DPT_HCP_NEXT(param) (¶m[3 + param[3] + 1])
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#define DPT_HCP_CODE(param) (ntohs(*(int16_t *)(void *)param))
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/* Possible return values from dpt_register_buffer() */
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#define SCSI_TM_READ_BUFFER 0x3c
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#define SCSI_TM_WRITE_BUFFER 0x3b
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#define SCSI_TM_MODE_MASK 0x07 /* Strip off reserved and LUN */
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#define SCSI_TM_LUN_MASK 0xe0 /* Strip off reserved and LUN */
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typedef enum {
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SUCCESSFULLY_REGISTERED,
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DRIVER_DOWN,
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ALREADY_REGISTERED,
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REGISTERED_TO_ANOTHER,
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NOT_REGISTERED,
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INVALID_UNIT,
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INVALID_SENDER,
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INVALID_CALLBACK,
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NO_RESOURCES
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} dpt_rb_t;
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typedef enum {
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REGISTER_BUFFER,
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RELEASE_BUFFER
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} dpt_rb_op_t;
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/*
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* New way for completion routines to reliably copmplete processing.
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* Should take properly typed dpt_softc_t and dpt_ccb_t,
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* but interdependencies preclude that.
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*/
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typedef void (*ccb_callback)(void *dpt, int bus, void *ccb);
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typedef void (*buff_wr_done)(int unit, u_int8_t channel, u_int8_t target,
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u_int8_t lun, u_int16_t offset, u_int16_t length,
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int result);
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typedef void (*dpt_rec_buff)(int unit, u_int8_t channel, u_int8_t target,
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u_int8_t lun, void *buffer, u_int16_t offset,
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u_int16_t length);
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/* HBA's Status port (register) bitmap */
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typedef struct reg_bit { /* reading this one will clear the interrupt */
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u_int8_t error :1, /* previous command ended in an error */
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more :1, /* More DATA coming soon Poll BSY & DRQ (PIO) */
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corr :1, /* data read was successfully corrected with ECC */
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drq :1, /* data request active */
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sc :1, /* seek complete */
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fault :1, /* write fault */
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ready :1, /* drive ready */
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busy :1; /* controller busy */
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} dpt_status_reg_t;
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/* HBA's Auxiliary status port (register) bitmap */
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typedef struct reg_abit { /* reading this won't clear the interrupt */
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u_int8_t abusy :1, /* auxiliary busy */
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irq :1, /* set when drive interrupt is asserted */
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:6;
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} dpt_aux_status_t;
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/* The EATA Register Set as a structure */
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typedef struct eata_register {
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u_int8_t data_reg[2]; /* R, couldn't figure this one out */
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u_int8_t cp_addr[4]; /* W, CP address register */
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union {
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u_int8_t command; /*
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* W, command code:
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* [read|set] conf, send CP
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*/
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struct reg_bit status; /* R, see register_bit1 */
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u_int8_t statusbyte;
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} ovr;
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struct reg_abit aux_stat; /* R, see register_bit2 */
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} eata_reg_t;
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/*
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* Holds the results of a READ_CONFIGURATION command
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* Beware of data items which are larger than 1 byte.
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* these come from the DPT in network order.
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* On an Intel ``CPU'' they will be upside down and backwards!
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* The dpt_get_conf function is normally responsible for flipping
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* Everything back.
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*/
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typedef struct get_conf { /* Read Configuration Array */
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union {
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struct {
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u_int8_t foo_DevType;
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u_int8_t foo_PageCode;
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u_int8_t foo_Reserved0;
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u_int8_t foo_len;
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} foo;
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u_int32_t foo_length; /* Should return 0x22, 0x24, etc */
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} bar;
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#define gcs_length bar.foo_length
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#define gcs_PageCode bar.foo.foo_DevType
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#define gcs_reserved0 bar.foo.foo_Reserved0
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#define gcs_len bar.foo.foo_len
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u_int32_t signature; /* Signature MUST be "EATA". ntohl()`ed */
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u_int8_t version2 :4,
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version :4; /* EATA Version level */
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u_int8_t OCS_enabled :1, /* Overlap Command Support enabled */
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TAR_support :1, /* SCSI Target Mode supported */
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TRNXFR :1, /* Truncate Transfer Cmd Used in PIO Mode */
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MORE_support:1, /* MORE supported (PIO Mode Only) */
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DMA_support :1, /* DMA supported */
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DMA_valid :1, /* DRQ value in Byte 30 is valid */
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ATA :1, /* ATA device connected (not supported) */
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HAA_valid :1; /* Hostadapter Address is valid */
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u_int16_t cppadlen; /*
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* Number of pad bytes send after CD data set
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* to zero for DMA commands. Ntohl()`ed
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*/
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u_int8_t scsi_idS; /* SCSI ID of controller 2-0 Byte 0 res. */
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u_int8_t scsi_id2; /* If not, zero is returned */
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u_int8_t scsi_id1;
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u_int8_t scsi_id0;
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u_int32_t cplen; /* CP length: number of valid cp bytes */
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u_int32_t splen; /* Returned bytes for a received SP command */
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u_int16_t queuesiz; /* max number of queueable CPs */
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u_int16_t dummy;
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u_int16_t SGsiz; /* max number of SG table entrie */
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u_int8_t IRQ :4,/* IRQ used this HBA */
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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 compatibility 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 {
|
|
|
|
struct resource * io_res;
|
|
int io_rid;
|
|
int io_type;
|
|
int io_offset;
|
|
|
|
struct resource * irq_res;
|
|
int irq_rid;
|
|
void * ih;
|
|
|
|
struct resource * drq_res;
|
|
int drq_rid;
|
|
|
|
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;
|
|
extern devclass_t dpt_devclass;
|
|
|
|
#ifdef _KERNEL
|
|
void dpt_alloc(device_t);
|
|
int dpt_detach(device_t);
|
|
int dpt_alloc_resources(device_t);
|
|
void dpt_release_resources(device_t);
|
|
#endif
|
|
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);
|
|
|
|
dpt_conf_t * dpt_pio_get_conf(u_int32_t);
|
|
|
|
#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 */
|