diff options
Diffstat (limited to 'include/scsi.h')
| -rw-r--r-- | include/scsi.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/include/scsi.h b/include/scsi.h new file mode 100644 index 0000000..8929318 --- /dev/null +++ b/include/scsi.h @@ -0,0 +1,215 @@ +/* + * (C) Copyright 2001 + * Denis Peter, MPL AG Switzerland + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 of + * the License, 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; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + #ifndef _SCSI_H + #define _SCSI_H + +typedef struct SCSI_cmd_block{ + unsigned char cmd[16]; /* command */ + unsigned char sense_buf[64]; /* for request sense */ + unsigned char status; /* SCSI Status */ + unsigned char target; /* Target ID */ + unsigned char lun; /* Target LUN */ + unsigned char cmdlen; /* command len */ + unsigned long datalen; /* Total data length */ + unsigned char * pdata; /* pointer to data */ + unsigned char msgout[12]; /* Messge out buffer (NOT USED) */ + unsigned char msgin[12]; /* Message in buffer */ + unsigned char sensecmdlen; /* Sense command len */ + unsigned long sensedatalen; /* Sense data len */ + unsigned char sensecmd[6]; /* Sense command */ + unsigned long contr_stat; /* Controller Status */ + unsigned long trans_bytes; /* tranfered bytes */ + + unsigned int priv; +}ccb; + +/*----------------------------------------------------------- +** +** SCSI constants. +** +**----------------------------------------------------------- +*/ + +/* +** Messages +*/ + +#define M_COMPLETE (0x00) +#define M_EXTENDED (0x01) +#define M_SAVE_DP (0x02) +#define M_RESTORE_DP (0x03) +#define M_DISCONNECT (0x04) +#define M_ID_ERROR (0x05) +#define M_ABORT (0x06) +#define M_REJECT (0x07) +#define M_NOOP (0x08) +#define M_PARITY (0x09) +#define M_LCOMPLETE (0x0a) +#define M_FCOMPLETE (0x0b) +#define M_RESET (0x0c) +#define M_ABORT_TAG (0x0d) +#define M_CLEAR_QUEUE (0x0e) +#define M_INIT_REC (0x0f) +#define M_REL_REC (0x10) +#define M_TERMINATE (0x11) +#define M_SIMPLE_TAG (0x20) +#define M_HEAD_TAG (0x21) +#define M_ORDERED_TAG (0x22) +#define M_IGN_RESIDUE (0x23) +#define M_IDENTIFY (0x80) + +#define M_X_MODIFY_DP (0x00) +#define M_X_SYNC_REQ (0x01) +#define M_X_WIDE_REQ (0x03) +#define M_X_PPR_REQ (0x04) + + +/* +** Status +*/ + +#define S_GOOD (0x00) +#define S_CHECK_COND (0x02) +#define S_COND_MET (0x04) +#define S_BUSY (0x08) +#define S_INT (0x10) +#define S_INT_COND_MET (0x14) +#define S_CONFLICT (0x18) +#define S_TERMINATED (0x20) +#define S_QUEUE_FULL (0x28) +#define S_ILLEGAL (0xff) +#define S_SENSE (0x80) + +/* + * Sense_keys + */ + +#define SENSE_NO_SENSE 0x0 +#define SENSE_RECOVERED_ERROR 0x1 +#define SENSE_NOT_READY 0x2 +#define SENSE_MEDIUM_ERROR 0x3 +#define SENSE_HARDWARE_ERROR 0x4 +#define SENSE_ILLEGAL_REQUEST 0x5 +#define SENSE_UNIT_ATTENTION 0x6 +#define SENSE_DATA_PROTECT 0x7 +#define SENSE_BLANK_CHECK 0x8 +#define SENSE_VENDOR_SPECIFIC 0x9 +#define SENSE_COPY_ABORTED 0xA +#define SENSE_ABORTED_COMMAND 0xB +#define SENSE_VOLUME_OVERFLOW 0xD +#define SENSE_MISCOMPARE 0xE + + +#define SCSI_CHANGE_DEF 0x40 /* Change Definition (Optional) */ +#define SCSI_COMPARE 0x39 /* Compare (O) */ +#define SCSI_COPY 0x18 /* Copy (O) */ +#define SCSI_COP_VERIFY 0x3A /* Copy and Verify (O) */ +#define SCSI_INQUIRY 0x12 /* Inquiry (MANDATORY) */ +#define SCSI_LOG_SELECT 0x4C /* Log Select (O) */ +#define SCSI_LOG_SENSE 0x4D /* Log Sense (O) */ +#define SCSI_MODE_SEL6 0x15 /* Mode Select 6-byte (Device Specific) */ +#define SCSI_MODE_SEL10 0x55 /* Mode Select 10-byte (Device Specific) */ +#define SCSI_MODE_SEN6 0x1A /* Mode Sense 6-byte (Device Specific) */ +#define SCSI_MODE_SEN10 0x5A /* Mode Sense 10-byte (Device Specific) */ +#define SCSI_READ_BUFF 0x3C /* Read Buffer (O) */ +#define SCSI_REQ_SENSE 0x03 /* Request Sense (MANDATORY) */ +#define SCSI_SEND_DIAG 0x1D /* Send Diagnostic (O) */ +#define SCSI_TST_U_RDY 0x00 /* Test Unit Ready (MANDATORY) */ +#define SCSI_WRITE_BUFF 0x3B /* Write Buffer (O) */ +/*************************************************************************** + * %%% Commands Unique to Direct Access Devices %%% + ***************************************************************************/ +#define SCSI_COMPARE 0x39 /* Compare (O) */ +#define SCSI_FORMAT 0x04 /* Format Unit (MANDATORY) */ +#define SCSI_LCK_UN_CAC 0x36 /* Lock Unlock Cache (O) */ +#define SCSI_PREFETCH 0x34 /* Prefetch (O) */ +#define SCSI_MED_REMOVL 0x1E /* Prevent/Allow medium Removal (O) */ +#define SCSI_READ6 0x08 /* Read 6-byte (MANDATORY) */ +#define SCSI_READ10 0x28 /* Read 10-byte (MANDATORY) */ +#define SCSI_RD_CAPAC 0x25 /* Read Capacity (MANDATORY) */ +#define SCSI_RD_DEFECT 0x37 /* Read Defect Data (O) */ +#define SCSI_READ_LONG 0x3E /* Read Long (O) */ +#define SCSI_REASS_BLK 0x07 /* Reassign Blocks (O) */ +#define SCSI_RCV_DIAG 0x1C /* Receive Diagnostic Results (O) */ +#define SCSI_RELEASE 0x17 /* Release Unit (MANDATORY) */ +#define SCSI_REZERO 0x01 /* Rezero Unit (O) */ +#define SCSI_SRCH_DAT_E 0x31 /* Search Data Equal (O) */ +#define SCSI_SRCH_DAT_H 0x30 /* Search Data High (O) */ +#define SCSI_SRCH_DAT_L 0x32 /* Search Data Low (O) */ +#define SCSI_SEEK6 0x0B /* Seek 6-Byte (O) */ +#define SCSI_SEEK10 0x2B /* Seek 10-Byte (O) */ +#define SCSI_SEND_DIAG 0x1D /* Send Diagnostics (MANDATORY) */ +#define SCSI_SET_LIMIT 0x33 /* Set Limits (O) */ +#define SCSI_START_STP 0x1B /* Start/Stop Unit (O) */ +#define SCSI_SYNC_CACHE 0x35 /* Synchronize Cache (O) */ +#define SCSI_VERIFY 0x2F /* Verify (O) */ +#define SCSI_WRITE6 0x0A /* Write 6-Byte (MANDATORY) */ +#define SCSI_WRITE10 0x2A /* Write 10-Byte (MANDATORY) */ +#define SCSI_WRT_VERIFY 0x2E /* Write and Verify (O) */ +#define SCSI_WRITE_LONG 0x3F /* Write Long (O) */ +#define SCSI_WRITE_SAME 0x41 /* Write Same (O) */ + + +/**************************************************************************** + * decleration of functions which have to reside in the LowLevel Part Driver + */ + +void scsi_print_error(ccb *pccb); +int scsi_exec(ccb *pccb); +void scsi_bus_reset(void); +void scsi_low_level_init(int busdevfunc); + + +/*************************************************************************** + * functions residing inside cmd_scsi.c + */ +void scsi_init(void); + + + +#define SCSI_IDENTIFY 0xC0 /* not used */ + +/* Hardware errors */ +#define SCSI_SEL_TIME_OUT 0x00000101 /* Selection time out */ +#define SCSI_HNS_TIME_OUT 0x00000102 /* Handshake */ +#define SCSI_MA_TIME_OUT 0x00000103 /* Phase error */ +#define SCSI_UNEXP_DIS 0x00000104 /* unexpected disconnect */ + +#define SCSI_INT_STATE 0x00010000 /* unknown Interrupt number is stored in 16 LSB */ + + + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + + + + + +#endif /* _SCSI_H */ + |