257 lines
9.5 KiB
C
257 lines
9.5 KiB
C
/* $NetBSD: ihavar.h,v 1.8 2002/11/14 17:07:42 tsutsui Exp $ */
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/*-
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* Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
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*
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* Written for 386bsd and FreeBSD by
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* Winston Hung <winstonh@initio.com>
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*
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* Copyright (c) 1997-1999 Initio Corp.
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* Copyright (c) 2000 Ken Westerback
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* Copyright (c) 2001, 2002 Izumi Tsutsui
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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. 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Ported to NetBSD by Izumi Tsutsui <tsutsui@ceres.dti.ne.jp> from OpenBSD:
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* $OpenBSD: iha.h,v 1.2 2001/02/08 17:35:05 krw Exp $
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*/
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#define IHA_MAX_SG_ENTRIES (MAXPHYS / PAGE_SIZE + 1)
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#define IHA_MAX_TARGETS 16
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#define IHA_MAX_SCB 32
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#define IHA_MAX_EXTENDED_MSG 4 /* SDTR(3) and WDTR(4) only */
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#define IHA_MAX_OFFSET 15
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#define SCSI_CONDITION_MET 0x04 /* SCSI Status codes not defined */
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#define SCSI_INTERM_COND_MET 0x14 /* in scsi_all.h */
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/*
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* Scatter-Gather Element Structure
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*/
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struct iha_sg_element {
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u_int32_t sg_addr; /* Data Pointer */
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u_int32_t sg_len; /* Data Length */
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};
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#define IHA_SG_SIZE (sizeof(struct iha_sg_element) * IHA_MAX_SG_ENTRIES)
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/*
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* iha_scb - SCSI Request structure used by the
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* Tulip (aka inic-940/950).
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*/
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struct iha_scb {
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TAILQ_ENTRY(iha_scb) chain;
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bus_dmamap_t dmap; /* maps xs->buf xfer buffer */
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int status; /* Current status of the SCB */
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#define STATUS_QUEUED 0 /* SCB one of Free/Done/Pend */
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#define STATUS_RENT 1 /* SCB allocated, not queued */
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#define STATUS_SELECT 2 /* SCB being selected */
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#define STATUS_BUSY 3 /* SCB I/O is active */
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int nextstat; /* Next state function to apply */
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int sg_index; /* Scatter/Gather Index */
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int sg_max; /* Scatter/Gather # valid entries */
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int flags; /* SCB Flags */
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#define FLAG_DATAIN 0x00000001 /* Data In */
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#define FLAG_DATAOUT 0x00000002 /* Data Out */
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#define FLAG_RSENS 0x00000004 /* Request Sense sent */
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#define FLAG_SG 0x00000008 /* Scatter/Gather used */
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int target; /* Target Id */
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int lun; /* Lun */
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u_int32_t bufaddr; /* Data Buffer Physical Addr */
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u_int32_t buflen; /* Data Allocation Length */
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int ha_stat; /* Status of Host Adapter */
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#define HOST_OK 0x00 /* OK - operation a success */
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#define HOST_TIMED_OUT 0x01 /* Request timed out */
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#define HOST_SPERR 0x10 /* SCSI parity error */
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#define HOST_SEL_TOUT 0x11 /* Selection Timeout */
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#define HOST_DO_DU 0x12 /* Data Over/Underrun */
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#define HOST_BAD_PHAS 0x14 /* Unexpected SCSI bus phase */
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#define HOST_SCSI_RST 0x1B /* SCSI bus was reset */
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#define HOST_DEV_RST 0x1C /* Device was reset */
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int ta_stat; /* SCSI Status Byte */
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struct scsipi_xfer *xs; /* xs this SCB is executing */
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struct tcs *tcs; /* tcs for SCB_Target */
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struct iha_sg_element *sglist;
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bus_size_t sgoffset; /* xfer buf offset */
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int sg_size; /* # of valid entries in sg_list */
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u_int32_t sg_addr; /* SGList Physical Address */
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int cmdlen; /* CDB Length */
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u_int8_t cmd[12]; /* SCSI Command */
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u_int8_t scb_id; /* Identity Message */
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u_int8_t scb_tagmsg; /* Tag Message */
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u_int8_t scb_tagid; /* Queue Tag */
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};
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/*
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* Target Device Control Structure
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*/
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struct tcs {
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int flags;
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#define FLAG_SCSI_RATE 0x0007 /* Index into iha_rate_tbl[] */
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#define FLAG_EN_DISC 0x0008 /* Enable disconnect */
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#define FLAG_NO_SYNC 0x0010 /* No sync data transfer */
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#define FLAG_NO_WIDE 0x0020 /* No wide data transfer */
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#define FLAG_1GIGA 0x0040 /* 255 hd/63 sec (64/32) */
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#define FLAG_SPINUP 0x0080 /* Start disk drive */
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#define FLAG_WIDE_DONE 0x0100 /* WDTR msg has been sent */
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#define FLAG_SYNC_DONE 0x0200 /* SDTR msg has been sent */
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#define FLAG_NO_NEG_SYNC (FLAG_NO_SYNC | FLAG_SYNC_DONE)
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#define FLAG_NO_NEG_WIDE (FLAG_NO_WIDE | FLAG_WIDE_DONE)
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int period;
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int offset;
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int tagcnt;
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struct iha_scb *ntagscb;
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u_int8_t syncm;
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u_int8_t sconfig0;
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};
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struct iha_softc {
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struct device sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_dma_tag_t sc_dmat;
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bus_dmamap_t sc_dmamap;
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struct scsipi_adapter sc_adapter;
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struct scsipi_channel sc_channel;
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int sc_id;
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void *sc_ih;
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/*
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* Initio specific fields
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*/
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int sc_flags;
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#define FLAG_EXPECT_DISC 0x01
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#define FLAG_EXPECT_SELECT 0x02
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#define FLAG_EXPECT_RESET 0x10
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#define FLAG_EXPECT_DONE_DISC 0x20
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int sc_semaph;
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#define SEMAPH_IN_MAIN 0x00 /* Already in tulip_main */
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int sc_phase; /* MSG C/D I/O */
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#define PHASE_DATA_OUT 0x00 /* 0 0 0 */
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#define PHASE_DATA_IN 0x01 /* 0 0 1 */
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#define PHASE_CMD_OUT 0x02 /* 0 1 0 */
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#define PHASE_STATUS_IN 0x03 /* 0 1 1 */
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#define PHASE_MSG_OUT 0x06 /* 1 1 0 */
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#define PHASE_MSG_IN 0x07 /* 1 1 1 */
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struct iha_scb *sc_scb; /* SCB array */
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struct iha_scb *sc_actscb; /* SCB using SCSI bus */
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struct iha_sg_element *sc_sglist;
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TAILQ_HEAD(, iha_scb) sc_freescb,
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sc_pendscb,
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sc_donescb;
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struct tcs sc_tcs[IHA_MAX_TARGETS];
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u_int8_t sc_msg[IHA_MAX_EXTENDED_MSG]; /* [0] len, [1] Msg Code */
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u_int8_t sc_sistat;
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u_int8_t sc_status0;
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u_int8_t sc_status1;
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u_int8_t sc_sconf1;
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};
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/*
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* EEPROM for one SCSI Channel
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*/
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#define EEPROM_SIZE 32
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#define EEP_LBYTE(x) ((x) & 0xff)
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#define EEP_HBYTE(x) ((x) >> 8)
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#define EEP_WORD(l, h) (((h) & 0xff) << 8 | ((l) && 0xff))
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#define EEP_WAIT() DELAY(5)
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struct eeprom_adapter {
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u_int16_t config1; /* 0x00 Channel Adapter SCSI Id */
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#define CFG_ID_MASK 0x000f
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#define CFG_ID(cfg) ((cfg) & CFG_ID_MASK)
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#define CFG_SCSI_RESET 0x0100 /* Reset bus at power up */
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#define CFG_EN_PAR 0x0200 /* SCSI parity enable */
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#define CFG_ACT_TERM1 0x0400 /* Enable active term 1 */
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#define CFG_ACT_TERM2 0x0800 /* Enable active term 2 */
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#define CFG_AUTO_TERM 0x1000 /* Enable auto terminator */
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#define CFG_EN_PWR 0x8000 /* Enable power mgmt */
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#define CFG_DEFAULT (CFG_SCSI_RESET | CFG_AUTO_TERM | CFG_EN_PAR)
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u_int16_t config2;
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#define CFG_CFG2(x) EEP_LBYTE(x) /* 0x02 Unused Channel Cfg byte 2*/
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#define CFG_TARGET(x) EEP_HBYTE(x) /* 0x03 Number of SCSI targets */
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/* 0x04 Lower bytes of targ flags*/
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u_int16_t tflags[IHA_MAX_TARGETS / sizeof(u_int16_t)];
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#define FLAG_DEFAULT (FLAG_NO_WIDE | FLAG_1GIGA | FLAG_EN_DISC)
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};
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/*
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* Tulip (aka ini-940/950) Serial EEPROM Layout
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*/
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struct iha_eeprom {
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/* ---------- Header ------------------------------------------------*/
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u_int16_t signature; /* 0x00 NVRAM Signature */
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#define EEP_SIGNATURE 0xC925
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u_int16_t revision;
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#define EEP_SIZE(x) EEP_LBYTE(x) /* 0x02 Size of data structure*/
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#define EEP_REV(x) EEP_HBYTE(x) /* 0x03 Rev. of data structure*/
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/* ---------- Host Adapter Structure --------------------------------*/
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u_int16_t model; /* 0x04 Model number */
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u_int16_t modelinfo;
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#define EEP_INFO(x) EEP_LBYTE(x) /* 0x06 Model information */
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#define EEP_CHAN(x) EEP_HBYTE(x) /* 0x07 Number of SCSI channel*/
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u_int16_t bioscfg; /* 0x08 BIOS configuration 1 */
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#define EEP_BIOSCFG_ENABLE 0x0001 /* BIOS enable */
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#define EEP_BIOSCFG_8DRIVE 0x0002 /* Support > 2 drives */
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#define EEP_BIOSCFG_REMOVABLE 0x0004 /* Support removable drv */
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#define EEP_BIOSCFG_INT19 0x0008 /* Intercept int 19h */
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#define EEP_BIOSCFG_BIOSSCAN 0x0010 /* Dynamic BIOS scan */
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#define EEP_BIOSCFG_LUNSUPPORT 0x0040 /* Support LUN */
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#define EEP_BIOSCFG_DEFAULT EEP_BIOSCFG_ENABLE
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u_int16_t hacfg; /* 0x0a Host adapter config 1 */
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#define EEP_HACFG_BOOTIDMASK 0x000F /* Boot ID number */
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#define EEP_HACFG_LUNMASK 0x0070 /* Boot LUN number */
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#define EEP_HACFG_CHANMASK 0x0080 /* Boot Channel number */
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struct eeprom_adapter adapter[2]; /* 0x0c */
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u_int16_t reserved[5]; /* 0x34 */
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/* --------- CheckSum -----------------------------------------------*/
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u_int16_t checksum; /* 0x3E Checksum of NVRam */
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};
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/* Functions used by higher SCSI layers, the kernel, or iha.c and iha_pci.c */
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int iha_intr(void *);
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void iha_attach(struct iha_softc *);
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