| /* |
| * (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 */ |
