Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9d624b89de
NetBSD/sys/dev/ic/uhareg.h
thorpej d41e8f00bf Don't use "struct scsi_generic" in a hardware-defined structure. Instead, 
use an array of 12 bytes.  Check the incoming CDB to see that it will fit,
and print and error and fail the command if it won't.
2004-12-07 14:50:56 +00:00

246 lines
8.5 KiB
C
Raw Blame History

/* $NetBSD: uhareg.h,v 1.10 2004/12/07 14:50:56 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
* Simulation Facility, NASA Ames Research Center.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Ported for use with the UltraStor 14f by Gary Close (gclose@wvnvms.wvnet.edu)
* Slight fixes to timeouts to run with the 34F
* Thanks to Julian Elischer for advice and help with this port.
*
* Originally written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems for use under the MACH(2.5) operating system.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* commenced: Sun Sep 27 18:14:01 PDT 1992
* slight mod to make work with 34F as well: Wed Jun 2 18:05:48 WST 1993
*/
typedef u_long physaddr;
typedef u_long physlen;
/************************** board definitions *******************************/
/*
* I/O Port Interface
*/
#define U14_LMASK 0x0000 /* local doorbell mask reg */
#define U14_LINT 0x0001 /* local doorbell int/stat reg */
#define U14_SMASK 0x0002 /* system doorbell mask reg */
#define U14_SINT 0x0003 /* system doorbell int/stat reg */
#define U14_ID 0x0004 /* product id reg (2 ports) */
#define U14_CONFIG 0x0006 /* config reg (2 ports) */
#define U14_OGMPTR 0x0008 /* outgoing mail ptr (4 ports) */
#define U14_ICMPTR 0x000c /* incoming mail ptr (4 ports) */
#define U24_CONFIG 0x0005 /* config reg (3 ports) */
#define U24_LMASK 0x000c /* local doorbell mask reg */
#define U24_LINT 0x000d /* local doorbell int/stat reg */
#define U24_SMASK 0x000e /* system doorbell mask reg */
#define U24_SINT 0x000f /* system doorbell int/stat reg */
#define U24_OGMCMD 0x0016 /* outgoing commands */
#define U24_OGMPTR 0x0017 /* outgoing mail ptr (4 ports) */
#define U24_ICMCMD 0x001b /* incoming commands */
#define U24_ICMPTR 0x001c /* incoming mail ptr (4 ports) */
/*
* UHA_LMASK bits (read only)
*/
#define UHA_LDIE 0x80 /* local doorbell int enabled */
#define UHA_SRSTE 0x40 /* soft reset enabled */
#define UHA_ABORTEN 0x10 /* abort MSCP enabled */
#define UHA_OGMINTEN 0x01 /* outgoing mail interrupt enabled */
/*
* UHA_LINT bits (read only)
*/
#define U14_LDIP 0x80 /* local doorbell int pending */
#define U24_LDIP 0x02 /* local doorbell int pending */
/*
* UHA_LINT bits (write only)
*/
#define U14_OGMFULL 0x01 /* outgoing mailbox is full */
#define U14_ABORT 0x10 /* abort MSCP */
#define U24_OGMFULL 0x02 /* outgoing mailbox is full */
#define UHA_SBRST 0x40 /* scsi bus reset */
#define UHA_ADRST 0x80 /* adapter soft reset */
#define UHA_ASRST 0xc0 /* adapter and scsi reset */
/*
* UHA_SMASK bits (read/write)
*/
#define UHA_ENSINT 0x80 /* enable system doorbell interrupt */
#define UHA_EN_ABORT_COMPLETE 0x10 /* enable abort MSCP complete int */
#define UHA_ENICM 0x01 /* enable ICM interrupt */
/*
* UHA_SINT bits (read)
*/
#define U14_SDIP 0x80 /* system doorbell int pending */
#define U24_SDIP 0x02 /* system doorbell int pending */
#define UHA_ABORT_SUCC 0x10 /* abort MSCP successful */
#define UHA_ABORT_FAIL 0x18 /* abort MSCP failed */
/*
* UHA_SINT bits (write)
*/
#define U14_ICM_ACK 0x01 /* acknowledge ICM and clear */
#define U24_ICM_ACK 0x02 /* acknowledge ICM and clear */
#define UHA_ABORT_ACK 0x18 /* acknowledge status and clear */
/*
* U14_CONFIG bits (read only)
*/
#define U14_DMA_CH5 0x0000 /* DMA channel 5 */
#define U14_DMA_CH6 0x4000 /* 6 */
#define U14_DMA_CH7 0x8000 /* 7 */
#define U14_DMA_MASK 0xc000
#define U14_IRQ15 0x0000 /* IRQ 15 */
#define U14_IRQ14 0x1000 /* 14 */
#define U14_IRQ11 0x2000 /* 11 */
#define U14_IRQ10 0x3000 /* 10 */
#define U14_IRQ_MASK 0x3000
#define U14_HOSTID_MASK 0x0007
/*
* U24_CONFIG bits (read only)
*/
#define U24_MAGIC1 0x08
#define U24_IRQ15 0x10
#define U24_IRQ14 0x20
#define U24_IRQ11 0x40
#define U24_IRQ10 0x80
#define U24_IRQ_MASK 0xf0
#define U24_MAGIC2 0x04
#define U24_HOSTID_MASK 0x07
/*
* EISA registers (offset from slot base)
*/
#define EISA_VENDOR 0x0c80 /* vendor ID (2 ports) */
#define EISA_MODEL 0x0c82 /* model number (2 ports) */
#define EISA_CONTROL 0x0c84
#define EISA_RESET 0x04
#define EISA_ERROR 0x02
#define EISA_ENABLE 0x01
/*
* host_stat error codes
*/
#define UHA_NO_ERR 0x00 /* No error supposedly */
#define UHA_SBUS_ABORT_ERR 0x84 /* scsi bus abort error */
#define UHA_SBUS_TIMEOUT 0x91 /* scsi bus selection timeout */
#define UHA_SBUS_OVER_UNDER 0x92 /* scsi bus over/underrun */
#define UHA_BAD_SCSI_CMD 0x96 /* illegal scsi command */
#define UHA_AUTO_SENSE_ERR 0x9b /* auto request sense err */
#define UHA_SBUS_RES_ERR 0xa3 /* scsi bus reset error */
#define UHA_BAD_SG_LIST 0xff /* invalid scatter gath list */
#define UHA_NSEG 33 /* number of DMA segments supported */
struct uha_dma_seg {
physaddr seg_addr;
physlen seg_len;
};
#pragma pack(1)
struct uha_mscp {
u_char opcode:3;
#define UHA_HAC 0x01 /* host adapter command */
#define UHA_TSP 0x02 /* target scsi pass through command */
#define UHA_SDR 0x04 /* scsi device reset */
u_char xdir:2; /* xfer direction */
#define UHA_SDET 0x00 /* determined by scsi command */
#define UHA_SDIN 0x01 /* scsi data in */
#define UHA_SDOUT 0x02 /* scsi data out */
#define UHA_NODATA 0x03 /* no data xfer */
u_char dcn:1; /* disable disconnect for this command */
u_char ca:1; /* cache control */
u_char sgth:1; /* scatter gather flag */
u_char target:3;
u_char chan:2; /* scsi channel (always 0 for 14f) */
u_char lun:3;
physaddr data_addr;
physlen data_length;
physaddr link_addr;
u_char link_id;
u_char sg_num; /* number of scat gath segs */
/*in s-g list if sg flag is */
/*set. starts at 1, 8bytes per */
u_char req_sense_length;
u_char scsi_cmd_length;
u_char scsi_cmd[12];
u_char host_stat;
u_char target_stat;
physaddr sense_ptr; /* if 0 no auto sense */
struct uha_dma_seg uha_dma[UHA_NSEG];
struct scsipi_sense_data mscp_sense;
/*-----------------end of hardware supported fields----------------*/
TAILQ_ENTRY(uha_mscp) chain;
struct uha_mscp *nexthash;
u_long hashkey;
struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */
int flags;
#define MSCP_ALLOC 0x01
#define MSCP_ABORT 0x02
int timeout;
/*
* This DMA map maps the buffer involved in the transfer.
* It's contents are loaded into "uha_dma" above.
*/
bus_dmamap_t dmamap_xfer;
};
#pragma pack()
Reference in New Issue View Git Blame Copy Permalink