srb_os2.h
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上传日期:2007-01-06
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- /* @(#)srb_os2.h 1.0 98/10/28 Copyright 1998 D. Dorau, C. Wohlgemuth */
- /*
- * Definitions for ASPI-Router (ASPIROUT.SYS).
- *
- * Copyright (c) 1998 D. Dorau, C. Wohlgemuth
- */
- /*
- * 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.
- */
- #pragma pack(1)
- /* SRB command */
- #define SRB_Inquiry 0x00
- #define SRB_Device 0x01
- #define SRB_Command 0x02
- #define SRB_Abort 0x03
- #define SRB_Reset 0x04
- #define SRB_Param 0x05
- /* SRB status */
- #define SRB_Busy 0x00 /* SCSI request in progress */
- #define SRB_Done 0x01 /* SCSI request completed without error */
- #define SRB_Aborted 0x02 /* SCSI aborted by host */
- #define SRB_BadAbort 0x03 /* Unable to abort SCSI request */
- #define SRB_Error 0x04 /* SCSI request completed with error */
- #define SRB_BusyPost 0x10 /* SCSI request in progress with POST - Nokia */
- #define SRB_InvalidCmd 0x80 /* Invalid SCSI request */
- #define SRB_InvalidHA 0x81 /* Invalid Hhost adapter number */
- #define SRB_BadDevice 0x82 /* SCSI device not installed */
- /* SRB flags */
- #define SRB_Post 0x01 /* Post vector valid */
- #define SRB_Link 0x02 /* Link vector valid */
- #define SRB_SG 0x04 /* Nokia: scatter/gather */
- /* S/G: n * (4 bytes length, 4 bytes addr) */
- /* No of s/g items not limited by HA spec. */
- #define SRB_NoCheck 0x00 /* determined by command, not checked */
- #define SRB_Read 0x08 /* target to host, length checked */
- #define SRB_Write 0x10 /* host to target, length checked */
- #define SRB_NoTransfer 0x18 /* no data transfer */
- #define SRB_DirMask 0x18 /* bit mask */
- /* SRB host adapter status */
- #define SRB_NoError 0x00 /* No host adapter detected error */
- #define SRB_Timeout 0x11 /* Selection timeout */
- #define SRB_DataLength 0x12 /* Data over/underrun */
- #define SRB_BusFree 0x13 /* Unexpected bus free */
- #define SRB_BusSequence 0x14 /* Target bus sequence failure */
- /* SRB target status field */
- #define SRB_NoStatus 0x00 /* No target status */
- #define SRB_CheckStatus 0x02 /* Check status (sense data valid) */
- #define SRB_LUN_Busy 0x08 /* Specified LUN is busy */
- #define SRB_Reserved 0x18 /* Reservation conflict */
- #define MaxCDBStatus 64 /* max size of CDB + status */
- typedef struct SRb {
- unsigned char cmd, /* 00 */
- status, /* 01 */
- ha_num, /* 02 */
- flags; /* 03 */
- unsigned long res_04_07; /* 04..07 */
- union { /* 08 */
- /* SRB_Inquiry */
- struct {
- unsigned char num_ha, /* 08 */
- ha_target, /* 09 */
- aspimgr_id[16], /* 0A..19 */
- host_id[16], /* 1A..29 */
- unique_id[16]; /* 2A..39 */
- } inq;
- /* SRB_Device */
- struct {
- unsigned char target, /* 08 */
- lun, /* 09 */
- devtype; /* 0A */
- } dev;
- /* SRB_Command */
- struct {
- unsigned char target, /* 08 */
- lun; /* 09 */
- unsigned long data_len; /* 0A..0D */
- unsigned char sense_len; /* 0E */
- unsigned long data_ptr; /* 0F..12 */
- unsigned long link_ptr; /* 13..16 */
- // void * _Seg16 data_ptr; /* 0F..12 */
- // void * _Seg16 link_ptr; /* 13..16 */
- unsigned char cdb_len, /* 17 */
- ha_status, /* 18 */
- target_status; /* 19 */
- unsigned char _Seg16postSRB[4];
- // void (* _Seg16 post) (SRB *); /* 1A..1D */
- unsigned char res_1E_29[12]; /* 1E..29 */
- unsigned char res_2A_3F[22]; /* 2A..3F */
- unsigned char cdb_st[64]; /* 40..7F CDB+status */
- unsigned char res_80_BF[64]; /* 80..BF */
- } cmd;
- /* SRB_Abort */
- struct {
- unsigned char _Seg16srb[4];
- // void * _Seg16 srb; /* 08..0B */
- } abt;
- /* SRB_Reset */
- struct {
- unsigned char target, /* 08 */
- lun, /* 09 */
- res_0A_17[14], /* 0A..17 */
- ha_status, /* 18 */
- target_status; /* 19 */
- } res;
- /* SRB_Param - unused by ASPI4OS2 */
- struct {
- unsigned char unique[16]; /* 08..17 */
- } par;
- } u;
- } SRB;
- // SCSI sense codes
- // Note! This list may not be complete. I did this compilation for use with tape drives.
- #define Sense_Current 0x70; // Current Error
- #define Sense_Deferred 0x71; // Deferred Error
- #define Sense_Filemark 0x80; // Filemark detected
- #define Sense_EOM 0x40; // End of medium detected
- #define Sense_ILI 0x20; // Incorrect length indicator
- // Sense Keys
- #define SK_NoSense 0x00; // No Sense
- #define SK_RcvrdErr 0x01; // Recovered Error
- #define SK_NotReady 0x02; // Not ready
- #define SK_MedErr 0x03; // Medium Error
- #define SK_HWErr 0x04; // Hardware Error
- #define SK_IllReq 0x05; // Illegal Request
- #define SK_UnitAtt 0x06; // Unit attention
- #define SK_DataProt 0x07: // Data Protect
- #define SK_BlankChk 0x08: // Blank Check
- #define SK_VndSpec 0x09; // Vendor Specific
- #define SK_CopyAbort 0x0A; // Copy Aborted
- #define SK_AbtdCmd 0x0B; // Aborted Command
- #define SK_Equal 0x0C; // Equal
- #define SK_VolOvfl 0x0D; // Volume Overflow
- #define SK_MisComp 0x0E; // Miscompare
- #define SK_Reserved 0x0F; // Reserved