/* $OpenBSD: uhareg.h,v 1.2 1999/01/23 00:41:57 espie Exp $ */ /* $NetBSD: uhareg.h,v 1.2 1996/09/01 00:54:41 mycroft Exp $ */ /* * Copyright (c) 1994, 1996 Charles M. Hannum. 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. * 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 Charles M. Hannum. * 4. 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 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; }; 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; struct scsi_generic scsi_cmd; 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 scsi_sense_data mscp_sense; /*-----------------end of hardware supported fields----------------*/ TAILQ_ENTRY(uha_mscp) chain; struct uha_mscp *nexthash; long hashkey; struct scsi_xfer *xs; /* the scsi_xfer for this cmd */ int flags; #define MSCP_ALLOC 0x01 #define MSCP_ABORT 0x02 int timeout; } __attribute__((packed));