/************************************************************************** * 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. * 21/01/99 bv - v1.03e * - Added PCI_ID structure **************************************************************************/ #ifndef CVT_LINUX_VERSION #define CVT_LINUX_VERSION(V,P,S) (((V) * 65536) + ((P) * 256) + (S)) #endif #ifndef LINUX_VERSION_CODE #include #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); extern int i91u_biosparam(Scsi_Disk *, kdev_t, int *); /*for linux v2.0 */ #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.03g" #define INI9100U { \ next: NULL, \ module: NULL, \ proc_name: "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 \ } #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 */ /************************************************************************/ /* Vendor ID/Device ID Pair Structure */ /************************************************************************/ typedef struct PCI_ID_Struc { unsigned short vendor_id; unsigned short device_id; } PCI_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 */ spinlock_t HCS_AvailLock; spinlock_t HCS_SemaphLock; spinlock_t pSRB_lock; } 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 */