3 * Denis Peter, MPL AG Switzerland
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 typedef struct SCSI_cmd_block{
28 unsigned char cmd[16]; /* command */
29 /* for request sense */
30 unsigned char sense_buf[64]
31 __attribute__((aligned(ARCH_DMA_MINALIGN)));
32 unsigned char status; /* SCSI Status */
33 unsigned char target; /* Target ID */
34 unsigned char lun; /* Target LUN */
35 unsigned char cmdlen; /* command len */
36 unsigned long datalen; /* Total data length */
37 unsigned char * pdata; /* pointer to data */
38 unsigned char msgout[12]; /* Messge out buffer (NOT USED) */
39 unsigned char msgin[12]; /* Message in buffer */
40 unsigned char sensecmdlen; /* Sense command len */
41 unsigned long sensedatalen; /* Sense data len */
42 unsigned char sensecmd[6]; /* Sense command */
43 unsigned long contr_stat; /* Controller Status */
44 unsigned long trans_bytes; /* tranfered bytes */
49 /*-----------------------------------------------------------
53 **-----------------------------------------------------------
60 #define M_COMPLETE (0x00)
61 #define M_EXTENDED (0x01)
62 #define M_SAVE_DP (0x02)
63 #define M_RESTORE_DP (0x03)
64 #define M_DISCONNECT (0x04)
65 #define M_ID_ERROR (0x05)
66 #define M_ABORT (0x06)
67 #define M_REJECT (0x07)
69 #define M_PARITY (0x09)
70 #define M_LCOMPLETE (0x0a)
71 #define M_FCOMPLETE (0x0b)
72 #define M_RESET (0x0c)
73 #define M_ABORT_TAG (0x0d)
74 #define M_CLEAR_QUEUE (0x0e)
75 #define M_INIT_REC (0x0f)
76 #define M_REL_REC (0x10)
77 #define M_TERMINATE (0x11)
78 #define M_SIMPLE_TAG (0x20)
79 #define M_HEAD_TAG (0x21)
80 #define M_ORDERED_TAG (0x22)
81 #define M_IGN_RESIDUE (0x23)
82 #define M_IDENTIFY (0x80)
84 #define M_X_MODIFY_DP (0x00)
85 #define M_X_SYNC_REQ (0x01)
86 #define M_X_WIDE_REQ (0x03)
87 #define M_X_PPR_REQ (0x04)
95 #define S_CHECK_COND (0x02)
96 #define S_COND_MET (0x04)
99 #define S_INT_COND_MET (0x14)
100 #define S_CONFLICT (0x18)
101 #define S_TERMINATED (0x20)
102 #define S_QUEUE_FULL (0x28)
103 #define S_ILLEGAL (0xff)
104 #define S_SENSE (0x80)
110 #define SENSE_NO_SENSE 0x0
111 #define SENSE_RECOVERED_ERROR 0x1
112 #define SENSE_NOT_READY 0x2
113 #define SENSE_MEDIUM_ERROR 0x3
114 #define SENSE_HARDWARE_ERROR 0x4
115 #define SENSE_ILLEGAL_REQUEST 0x5
116 #define SENSE_UNIT_ATTENTION 0x6
117 #define SENSE_DATA_PROTECT 0x7
118 #define SENSE_BLANK_CHECK 0x8
119 #define SENSE_VENDOR_SPECIFIC 0x9
120 #define SENSE_COPY_ABORTED 0xA
121 #define SENSE_ABORTED_COMMAND 0xB
122 #define SENSE_VOLUME_OVERFLOW 0xD
123 #define SENSE_MISCOMPARE 0xE
126 #define SCSI_CHANGE_DEF 0x40 /* Change Definition (Optional) */
127 #define SCSI_COMPARE 0x39 /* Compare (O) */
128 #define SCSI_COPY 0x18 /* Copy (O) */
129 #define SCSI_COP_VERIFY 0x3A /* Copy and Verify (O) */
130 #define SCSI_INQUIRY 0x12 /* Inquiry (MANDATORY) */
131 #define SCSI_LOG_SELECT 0x4C /* Log Select (O) */
132 #define SCSI_LOG_SENSE 0x4D /* Log Sense (O) */
133 #define SCSI_MODE_SEL6 0x15 /* Mode Select 6-byte (Device Specific) */
134 #define SCSI_MODE_SEL10 0x55 /* Mode Select 10-byte (Device Specific) */
135 #define SCSI_MODE_SEN6 0x1A /* Mode Sense 6-byte (Device Specific) */
136 #define SCSI_MODE_SEN10 0x5A /* Mode Sense 10-byte (Device Specific) */
137 #define SCSI_READ_BUFF 0x3C /* Read Buffer (O) */
138 #define SCSI_REQ_SENSE 0x03 /* Request Sense (MANDATORY) */
139 #define SCSI_SEND_DIAG 0x1D /* Send Diagnostic (O) */
140 #define SCSI_TST_U_RDY 0x00 /* Test Unit Ready (MANDATORY) */
141 #define SCSI_WRITE_BUFF 0x3B /* Write Buffer (O) */
142 /***************************************************************************
143 * %%% Commands Unique to Direct Access Devices %%%
144 ***************************************************************************/
145 #define SCSI_COMPARE 0x39 /* Compare (O) */
146 #define SCSI_FORMAT 0x04 /* Format Unit (MANDATORY) */
147 #define SCSI_LCK_UN_CAC 0x36 /* Lock Unlock Cache (O) */
148 #define SCSI_PREFETCH 0x34 /* Prefetch (O) */
149 #define SCSI_MED_REMOVL 0x1E /* Prevent/Allow medium Removal (O) */
150 #define SCSI_READ6 0x08 /* Read 6-byte (MANDATORY) */
151 #define SCSI_READ10 0x28 /* Read 10-byte (MANDATORY) */
152 #define SCSI_RD_CAPAC 0x25 /* Read Capacity (MANDATORY) */
153 #define SCSI_RD_DEFECT 0x37 /* Read Defect Data (O) */
154 #define SCSI_READ_LONG 0x3E /* Read Long (O) */
155 #define SCSI_REASS_BLK 0x07 /* Reassign Blocks (O) */
156 #define SCSI_RCV_DIAG 0x1C /* Receive Diagnostic Results (O) */
157 #define SCSI_RELEASE 0x17 /* Release Unit (MANDATORY) */
158 #define SCSI_REZERO 0x01 /* Rezero Unit (O) */
159 #define SCSI_SRCH_DAT_E 0x31 /* Search Data Equal (O) */
160 #define SCSI_SRCH_DAT_H 0x30 /* Search Data High (O) */
161 #define SCSI_SRCH_DAT_L 0x32 /* Search Data Low (O) */
162 #define SCSI_SEEK6 0x0B /* Seek 6-Byte (O) */
163 #define SCSI_SEEK10 0x2B /* Seek 10-Byte (O) */
164 #define SCSI_SEND_DIAG 0x1D /* Send Diagnostics (MANDATORY) */
165 #define SCSI_SET_LIMIT 0x33 /* Set Limits (O) */
166 #define SCSI_START_STP 0x1B /* Start/Stop Unit (O) */
167 #define SCSI_SYNC_CACHE 0x35 /* Synchronize Cache (O) */
168 #define SCSI_VERIFY 0x2F /* Verify (O) */
169 #define SCSI_WRITE6 0x0A /* Write 6-Byte (MANDATORY) */
170 #define SCSI_WRITE10 0x2A /* Write 10-Byte (MANDATORY) */
171 #define SCSI_WRT_VERIFY 0x2E /* Write and Verify (O) */
172 #define SCSI_WRITE_LONG 0x3F /* Write Long (O) */
173 #define SCSI_WRITE_SAME 0x41 /* Write Same (O) */
176 /****************************************************************************
177 * decleration of functions which have to reside in the LowLevel Part Driver
180 void scsi_print_error(ccb *pccb);
181 int scsi_exec(ccb *pccb);
182 void scsi_bus_reset(void);
183 void scsi_low_level_init(int busdevfunc);
186 /***************************************************************************
187 * functions residing inside cmd_scsi.c
189 void scsi_init(void);
190 void scsi_scan(int mode);
193 #define SCSI_IDENTIFY 0xC0 /* not used */
195 /* Hardware errors */
196 #define SCSI_SEL_TIME_OUT 0x00000101 /* Selection time out */
197 #define SCSI_HNS_TIME_OUT 0x00000102 /* Handshake */
198 #define SCSI_MA_TIME_OUT 0x00000103 /* Phase error */
199 #define SCSI_UNEXP_DIS 0x00000104 /* unexpected disconnect */
201 #define SCSI_INT_STATE 0x00010000 /* unknown Interrupt number is stored in 16 LSB */