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NetBSD/sys/dev/ic/ihavar.h

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/* $NetBSD: ihavar.h,v 1.3 2001/07/27 16:16:34 tsutsui Exp $ */
/*
* Initio INI-9xxxU/UW SCSI Device Driver
*
* Copyright (c) 2000 Ken Westerback
* 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. 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 ``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 HIS RELATIVES 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 MIND, 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.
*
*-------------------------------------------------------------------------
*
* Ported from i91uscsi.h, provided by Initio Corporation, which probably
* came from the same people who provided i91u.c:
*
* Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
*
* FreeBSD
*
* Written for 386bsd and FreeBSD by
* Winston Hung <winstonh@initio.com>
*
* Copyright (c) 1997-99 Initio Corp. All rights reserved.
*
*-------------------------------------------------------------------------
*/
/*
* Ported to NetBSD by Izumi Tsutsui <tsutsui@ceres.dti.ne.jp> from OpenBSD:
* $OpenBSD: iha.h,v 1.2 2001/02/08 17:35:05 krw Exp $
*/
#define IHA_MAX_SG_ENTRIES 33
#define IHA_MAX_TARGETS 16
#define IHA_MAX_SCB 32
#define IHA_MAX_EXTENDED_MSG 4 /* SDTR(3) and WDTR(4) only */
#define IHA_MAX_OFFSET 15
#define SCSI_CONDITION_MET 0x04 /* SCSI Status codes not defined */
#define SCSI_INTERM_COND_MET 0x14 /* in scsi_all.h */
/*
* Scatter-Gather Element Structure
*/
struct iha_sg_element {
u_int32_t sg_addr; /* Data Pointer */
u_int32_t sg_len; /* Data Length */
};
struct iha_sglist {
struct iha_sg_element sg_element[IHA_MAX_SG_ENTRIES];
};
#define IHA_SG_SIZE (sizeof(struct iha_sglist))
/*
* iha_scsi_req_q - SCSI Request structure used by the
* Tulip (aka inic-940/950).
*/
struct iha_scsi_req_q {
TAILQ_ENTRY(iha_scsi_req_q) chain;
bus_dmamap_t dmap; /* maps xs->buf xfer buffer */
int status; /* Current status of the SCB */
#define STATUS_QUEUED 0 /* SCB one of Free/Done/Pend */
#define STATUS_RENT 1 /* SCB allocated, not queued */
#define STATUS_SELECT 2 /* SCB being selected */
#define STATUS_BUSY 3 /* SCB I/O is active */
int nextstat; /* Next state function to apply */
int sg_index; /* Scatter/Gather Index */
int sg_max; /* Scatter/Gather # valid entries */
int flags; /* SCB Flags (xs->flags + private)*/
#define FLAG_RSENS 0x00010000 /* Request Sense sent */
#define FLAG_SG 0x00020000 /* Scatter/Gather used */
int target; /* Target Id */
int lun; /* Lun */
u_int32_t bufaddr; /* Data Buffer Physical Addr */
u_int32_t buflen; /* Data Allocation Length */
int ha_stat; /* Status of Host Adapter */
#define HOST_OK 0x00 /* OK - operation a success */
#define HOST_TIMED_OUT 0x01 /* Request timed out */
#define HOST_SPERR 0x10 /* SCSI parity error */
#define HOST_SEL_TOUT 0x11 /* Selection Timeout */
#define HOST_DO_DU 0x12 /* Data Over/Underrun */
#define HOST_BAD_PHAS 0x14 /* Unexpected SCSI bus phase */
#define HOST_SCSI_RST 0x1B /* SCSI bus was reset */
#define HOST_DEV_RST 0x1C /* Device was reset */
int ta_stat; /* SCSI Status Byte */
int timeout; /* in milliseconds */
struct scsipi_xfer *xs; /* xs this SCB is executing */
struct tcs *tcs; /* tcs for SCB_Target */
struct iha_sg_element *sglist;
bus_size_t sgoffset; /* xfer buf offset */
int sg_size; /* # of valid entries in sg_list */
u_int32_t sg_addr; /* SGList Physical Address */
int cmdlen; /* CDB Length */
u_int8_t cmd[12]; /* SCSI Command */
u_int8_t scb_id; /* Identity Message */
u_int8_t scb_tagmsg; /* Tag Message */
u_int8_t scb_tagid; /* Queue Tag */
};
/*
* Target Device Control Structure
*/
struct tcs {
int flags;
#define FLAG_SCSI_RATE 0x0007 /* Index into iha_rate_tbl[] */
#define FLAG_EN_DISC 0x0008 /* Enable disconnect */
#define FLAG_NO_SYNC 0x0010 /* No sync data transfer */
#define FLAG_NO_WIDE 0x0020 /* No wide data transfer */
#define FLAG_1GIGA 0x0040 /* 255 hd/63 sec (64/32) */
#define FLAG_SPINUP 0x0080 /* Start disk drive */
#define FLAG_WIDE_DONE 0x0100 /* WDTR msg has been sent */
#define FLAG_SYNC_DONE 0x0200 /* SDTR msg has been sent */
#define FLAG_NO_NEG_SYNC (FLAG_NO_SYNC | FLAG_SYNC_DONE)
#define FLAG_NO_NEG_WIDE (FLAG_NO_WIDE | FLAG_WIDE_DONE)
int period;
int offset;
int tagcnt;
struct iha_scsi_req_q *ntagscb;
u_int8_t syncm;
u_int8_t sconfig0;
};
struct iha_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_dma_tag_t sc_dmat;
bus_dmamap_t sc_dmamap;
struct scsipi_adapter sc_adapter;
struct scsipi_channel sc_channel;
int sc_id;
void *sc_ih;
/*
* Initio specific fields
*/
int sc_flags;
#define FLAG_EXPECT_DISC 0x01
#define FLAG_EXPECT_SELECT 0x02
#define FLAG_EXPECT_RESET 0x10
#define FLAG_EXPECT_DONE_DISC 0x20
int sc_semaph;
#define SEMAPH_IN_MAIN 0x00 /* Already in tulip_main */
int sc_phase; /* MSG C/D I/O */
#define PHASE_DATA_OUT 0x00 /* 0 0 0 */
#define PHASE_DATA_IN 0x01 /* 0 0 1 */
#define PHASE_CMD_OUT 0x02 /* 0 1 0 */
#define PHASE_STATUS_IN 0x03 /* 0 1 1 */
#define PHASE_MSG_OUT 0x06 /* 1 1 0 */
#define PHASE_MSG_IN 0x07 /* 1 1 1 */
struct iha_scsi_req_q *sc_scb; /* SCB array */
struct iha_scsi_req_q *sc_actscb; /* SCB using SCSI bus */
struct iha_sglist *sc_sglist;
TAILQ_HEAD(, iha_scsi_req_q) sc_freescb,
sc_pendscb,
sc_donescb;
struct tcs sc_tcs[IHA_MAX_TARGETS];
u_int8_t sc_msg[IHA_MAX_EXTENDED_MSG]; /* [0] len, [1] Msg Code */
u_int8_t sc_sistat;
u_int8_t sc_status0;
u_int8_t sc_status1;
u_int8_t sc_sconf1;
};
/*
* EEPROM for one SCSI Channel
*/
#define EEPROM_SIZE 32
#define EEP_LBYTE(x) ((x) & 0xff)
#define EEP_HBYTE(x) ((x) >> 8)
#define EEP_WORD(l, h) (((h) & 0xff) << 8 | ((l) && 0xff))
#define EEP_WAIT() DELAY(5)
struct eeprom_adapter {
u_int16_t config1; /* 0x00 Channel Adapter SCSI Id */
#define CFG_ID_MASK 0x000f
#define CFG_ID(cfg) ((cfg) & CFG_ID_MASK)
#define CFG_SCSI_RESET 0x0100 /* Reset bus at power up */
#define CFG_EN_PAR 0x0200 /* SCSI parity enable */
#define CFG_ACT_TERM1 0x0400 /* Enable active term 1 */
#define CFG_ACT_TERM2 0x0800 /* Enable active term 2 */
#define CFG_AUTO_TERM 0x1000 /* Enable auto terminator */
#define CFG_EN_PWR 0x8000 /* Enable power mgmt */
#define CFG_DEFAULT (CFG_SCSI_RESET | CFG_AUTO_TERM | CFG_EN_PAR)
u_int16_t config2;
#define CFG_CFG2(x) EEP_LBYTE(x) /* 0x02 Unused Channel Cfg byte 2*/
#define CFG_TARGET(x) EEP_HBYTE(x) /* 0x03 Number of SCSI targets */
/* 0x04 Lower bytes of targ flags*/
u_int16_t tflags[IHA_MAX_TARGETS / sizeof(u_int16_t)];
#define FLAG_DEFAULT (FLAG_NO_WIDE | FLAG_1GIGA | FLAG_EN_DISC)
};
/*
* Tulip (aka ini-940/950) Serial EEPROM Layout
*/
struct iha_eeprom {
/* ---------- Header ------------------------------------------------*/
u_int16_t signature; /* 0x00 NVRAM Signature */
#define EEP_SIGNATURE 0xC925
u_int16_t revision;
#define EEP_SIZE(x) EEP_LBYTE(x) /* 0x02 Size of data structure*/
#define EEP_REV(x) EEP_HBYTE(x) /* 0x03 Rev. of data structure*/
/* ---------- Host Adapter Structure --------------------------------*/
u_int16_t model; /* 0x04 Model number */
u_int16_t modelinfo;
#define EEP_INFO(x) EEP_LBYTE(x) /* 0x06 Model information */
#define EEP_CHAN(x) EEP_HBYTE(x) /* 0x07 Number of SCSI channel*/
u_int16_t bioscfg; /* 0x08 BIOS configuration 1 */
#define EEP_BIOSCFG_ENABLE 0x0001 /* BIOS enable */
#define EEP_BIOSCFG_8DRIVE 0x0002 /* Support > 2 drives */
#define EEP_BIOSCFG_REMOVABLE 0x0004 /* Support removable drv */
#define EEP_BIOSCFG_INT19 0x0008 /* Intercept int 19h */
#define EEP_BIOSCFG_BIOSSCAN 0x0010 /* Dynamic BIOS scan */
#define EEP_BIOSCFG_LUNSUPPORT 0x0040 /* Support LUN */
#define EEP_BIOSCFG_DEFAULT EEP_BIOSCFG_ENABLE
u_int16_t hacfg; /* 0x0a Host adapter config 1 */
#define EEP_HACFG_BOOTIDMASK 0x000F /* Boot ID number */
#define EEP_HACFG_LUNMASK 0x0070 /* Boot LUN number */
#define EEP_HACFG_CHANMASK 0x0080 /* Boot Channel number */
struct eeprom_adapter adapter[2]; /* 0x0c */
u_int16_t reserved[5]; /* 0x34 */
/* --------- CheckSum -----------------------------------------------*/
u_int16_t checksum; /* 0x3E Checksum of NVRam */
};
/* Functions used by higher SCSI layers, the kernel, or iha.c and iha_pci.c */
int iha_intr(void *);
void iha_attach(struct iha_softc *);
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