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Diffstat (limited to 'drivers/scsi/ini9100u.h')
| -rw-r--r-- | drivers/scsi/ini9100u.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/drivers/scsi/ini9100u.h b/drivers/scsi/ini9100u.h new file mode 100644 index 000000000..fa2c6c537 --- /dev/null +++ b/drivers/scsi/ini9100u.h @@ -0,0 +1,335 @@ +/************************************************************************** + * Initio 9100 device driver for Linux. + * + * Copyright (c) 1994-1998 Initio Corporation + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * -------------------------------------------------------------------------- + * + * 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. 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Where this Software is combined with software released under the terms of + * the GNU Public License ("GPL") and the terms of the GPL would require the + * combined work to also be released under the terms of the GPL, the terms + * and conditions of this License will apply in addition to those of the + * GPL with the exception of any terms or conditions of this License that + * conflict with, or are expressly prohibited by, the GPL. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + ************************************************************************* + * + * Module: ini9100u.h + * Description: INI-9100U/UW LINUX device driver header + * Revision History: + * 06/18/96 Harry Chen, Initial Version 1.00A (Beta) + * 06/23/98 hc - v1.01k + * - Get it work for kernel version >= 2.1.75 + * 12/09/98 bv - v1.03a + * - Removed unused code + * 12/13/98 bv - v1.03b + * - Add spinlocks to HCS structure. +*******************************************************************************/ + +#ifndef CVT_LINUX_VERSION +#define CVT_LINUX_VERSION(V,P,S) (((V) * 65536) + ((P) * 256) + (S)) +#endif + +#ifndef LINUX_VERSION_CODE +#include <linux/version.h> +#endif + +#include "sd.h" + +extern int i91u_detect(Scsi_Host_Template *); +extern int i91u_command(Scsi_Cmnd *); +extern int i91u_queue(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); +extern int i91u_abort(Scsi_Cmnd *); +extern int i91u_reset(Scsi_Cmnd *, unsigned int); + +#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1, 3, 0) +extern int i91u_biosparam(Scsi_Disk *, kdev_t, int *); /*for linux v2.0 */ +extern struct proc_dir_entry proc_scsi_ini9100u; +#else +extern int i91u_biosparam(Disk *, int, int *); /*for linux v1.13 */ +#endif + +#define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.03d" + +#if LINUX_VERSION_CODE < CVT_LINUX_VERSION(1, 3, 0) +#define INI9100U { \ + NULL, \ + NULL, \ + i91u_REVID, \ + i91u_detect, \ + NULL, \ + NULL, \ + i91u_command, \ + i91u_queue, \ + i91u_abort, \ + i91u_reset, \ + NULL, \ + i91u_biosparam, \ + 1, \ + 7, \ + SG_ALL, \ + 1, \ + 0, \ + 0, \ + ENABLE_CLUSTERING \ +} +#else + +#if LINUX_VERSION_CODE < CVT_LINUX_VERSION(2, 1, 75) +#define INI9100U { \ + NULL, \ + NULL, \ + &proc_scsi_ini9100u, \ + NULL, \ + i91u_REVID, \ + i91u_detect, \ + NULL, \ + NULL, \ + i91u_command, \ + i91u_queue, \ + i91u_abort, \ + i91u_reset, \ + NULL, \ + i91u_biosparam, \ + 1, \ + 7, \ + SG_ALL, \ + 1, \ + 0, \ + 0, \ + ENABLE_CLUSTERING \ +} +#else /* Version >= 2.1.75 */ +#define INI9100U { \ + next: NULL, \ + module: NULL, \ + proc_dir: &proc_scsi_ini9100u, \ + proc_info: NULL, \ + name: i91u_REVID, \ + detect: i91u_detect, \ + release: NULL, \ + info: NULL, \ + command: i91u_command, \ + queuecommand: i91u_queue, \ + eh_strategy_handler: NULL, \ + eh_abort_handler: NULL, \ + eh_device_reset_handler: NULL, \ + eh_bus_reset_handler: NULL, \ + eh_host_reset_handler: NULL, \ + abort: i91u_abort, \ + reset: i91u_reset, \ + slave_attach: NULL, \ + bios_param: i91u_biosparam, \ + can_queue: 1, \ + this_id: 1, \ + sg_tablesize: SG_ALL, \ + cmd_per_lun: 1, \ + present: 0, \ + unchecked_isa_dma: 0, \ + use_clustering: ENABLE_CLUSTERING, \ + use_new_eh_code: 0 \ +} +#endif +#endif + + +#define VIRT_TO_BUS(i) (unsigned int) virt_to_bus((void *)(i)) +#define ULONG unsigned long +#define USHORT unsigned short +#define UCHAR unsigned char +#define BYTE unsigned char +#define WORD unsigned short +#define DWORD unsigned long +#define UBYTE unsigned char +#define UWORD unsigned short +#define UDWORD unsigned long +#ifdef ALPHA +#define U32 unsigned int +#else +#define U32 unsigned long +#endif + +#ifndef NULL +#define NULL 0 /* zero */ +#endif +#ifndef TRUE +#define TRUE (1) /* boolean true */ +#endif +#ifndef FALSE +#define FALSE (0) /* boolean false */ +#endif +#ifndef FAILURE +#define FAILURE (-1) +#endif + +#define i91u_MAXQUEUE 2 +#define TOTAL_SG_ENTRY 32 +#define MAX_TARGETS 16 +#define SENSE_SIZE 14 + +#define INI_VENDOR_ID 0x1101 /* Initio's PCI vendor ID */ +#define DMX_VENDOR_ID 0x134a /* Domex's PCI vendor ID */ +#define I950_DEVICE_ID 0x9500 /* Initio's inic-950 product ID */ +#define I940_DEVICE_ID 0x9400 /* Initio's inic-940 product ID */ +#define I935_DEVICE_ID 0x9401 /* Initio's inic-935 product ID */ +#define I920_DEVICE_ID 0x0002 /* Initio's other product ID */ + +/************************************************************************/ +/* Scatter-Gather Element Structure */ +/************************************************************************/ +typedef struct SG_Struc { + U32 SG_Ptr; /* Data Pointer */ + U32 SG_Len; /* Data Length */ +} SG; + +/*********************************************************************** + SCSI Control Block +************************************************************************/ +typedef struct Scsi_Ctrl_Blk { + U32 SCB_InitioReserved[9]; /* 0 */ + + UBYTE SCB_Opcode; /*24 SCB command code */ + UBYTE SCB_Flags; /*25 SCB Flags */ + UBYTE SCB_Target; /*26 Target Id */ + UBYTE SCB_Lun; /*27 Lun */ + U32 SCB_BufPtr; /*28 Data Buffer Pointer */ + U32 SCB_BufLen; /*2C Data Allocation Length */ + UBYTE SCB_SGLen; /*30 SG list # */ + UBYTE SCB_SenseLen; /*31 Sense Allocation Length */ + UBYTE SCB_HaStat; /*32 */ + UBYTE SCB_TaStat; /*33 */ + UBYTE SCB_CDBLen; /*34 CDB Length */ + UBYTE SCB_Ident; /*35 Identify */ + UBYTE SCB_TagMsg; /*36 Tag Message */ + UBYTE SCB_TagId; /*37 Queue Tag */ + UBYTE SCB_CDB[12]; /*38 */ + U32 SCB_SGPAddr; /*44 SG List/Sense Buf phy. Addr. */ + U32 SCB_SensePtr; /*48 Sense data pointer */ + void (*SCB_Post) (BYTE *, BYTE *); /*4C POST routine */ + Scsi_Cmnd *SCB_Srb; /*50 SRB Pointer */ + SG SCB_SGList[TOTAL_SG_ENTRY]; /*54 Start of SG list */ +} SCB; + +/* Opcodes of SCB_Opcode */ +#define ExecSCSI 0x1 +#define BusDevRst 0x2 +#define AbortCmd 0x3 + +/* Bit Definition for SCB_Flags */ +#define SCF_DONE 0x01 +#define SCF_POST 0x02 +#define SCF_SENSE 0x04 +#define SCF_DIR 0x18 +#define SCF_NO_DCHK 0x00 +#define SCF_DIN 0x08 +#define SCF_DOUT 0x10 +#define SCF_NO_XF 0x18 +#define SCF_POLL 0x40 +#define SCF_SG 0x80 + +/* Error Codes for SCB_HaStat */ +#define HOST_SEL_TOUT 0x11 +#define HOST_DO_DU 0x12 +#define HOST_BUS_FREE 0x13 +#define HOST_BAD_PHAS 0x14 +#define HOST_INV_CMD 0x16 +#define HOST_SCSI_RST 0x1B +#define HOST_DEV_RST 0x1C + +/* Error Codes for SCB_TaStat */ +#define TARGET_CHKCOND 0x02 +#define TARGET_BUSY 0x08 + +/* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */ +#define MSG_STAG 0x20 +#define MSG_HTAG 0x21 +#define MSG_OTAG 0x22 + +/*********************************************************************** + Target Device Control Structure +**********************************************************************/ + +typedef struct Tar_Ctrl_Struc { + ULONG TCS_InitioReserved; /* 0 */ + + UWORD TCS_DrvFlags; /* 4 */ + UBYTE TCS_DrvHead; /* 6 */ + UBYTE TCS_DrvSector; /* 7 */ +} TCS; + +/*********************************************************************** + Target Device Control Structure +**********************************************************************/ +/* Bit Definition for TCF_DrvFlags */ +#define TCF_DRV_255_63 0x0400 + +/*********************************************************************** + Host Adapter Control Structure +************************************************************************/ +typedef struct Ha_Ctrl_Struc { + UWORD HCS_Base; /* 00 */ + UWORD HCS_BIOS; /* 02 */ + UBYTE HCS_Intr; /* 04 */ + UBYTE HCS_SCSI_ID; /* 05 */ + UBYTE HCS_MaxTar; /* 06 */ + UBYTE HCS_NumScbs; /* 07 */ + + UBYTE HCS_Flags; /* 08 */ + UBYTE HCS_Index; /* 09 */ + UBYTE HCS_Reserved[2]; /* 0a */ + ULONG HCS_InitioReserved[27]; /* 0C */ + TCS HCS_Tcs[16]; /* 78 -> 16 Targets */ + Scsi_Cmnd *pSRB_head; /* SRB save queue header */ + Scsi_Cmnd *pSRB_tail; /* SRB save queue tail */ +#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95) + spinlock_t HCS_AvailLock; + spinlock_t HCS_SemaphLock; + spinlock_t pSRB_lock; +#endif +} HCS; + +/* Bit Definition for HCB_Flags */ +#define HCF_EXPECT_RESET 0x10 + +/* SCSI related definition */ +#define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */ +#define DISC_ALLOW 0xC0 /* Disconnect is allowed */ |