blob: 73de7b74605722e7469d5551f7e63fb24d9ad5d4
1 | /* |
2 | * (C) Copyright 2001 |
3 | * Denis Peter, MPL AG Switzerland |
4 | * |
5 | * SPDX-License-Identifier: GPL-2.0+ |
6 | */ |
7 | #ifndef _SCSI_H |
8 | #define _SCSI_H |
9 | |
10 | typedef struct SCSI_cmd_block{ |
11 | unsigned char cmd[16]; /* command */ |
12 | /* for request sense */ |
13 | unsigned char sense_buf[64] |
14 | __attribute__((aligned(ARCH_DMA_MINALIGN))); |
15 | unsigned char status; /* SCSI Status */ |
16 | unsigned char target; /* Target ID */ |
17 | unsigned char lun; /* Target LUN */ |
18 | unsigned char cmdlen; /* command len */ |
19 | unsigned long datalen; /* Total data length */ |
20 | unsigned char * pdata; /* pointer to data */ |
21 | unsigned char msgout[12]; /* Messge out buffer (NOT USED) */ |
22 | unsigned char msgin[12]; /* Message in buffer */ |
23 | unsigned char sensecmdlen; /* Sense command len */ |
24 | unsigned long sensedatalen; /* Sense data len */ |
25 | unsigned char sensecmd[6]; /* Sense command */ |
26 | unsigned long contr_stat; /* Controller Status */ |
27 | unsigned long trans_bytes; /* tranfered bytes */ |
28 | |
29 | unsigned int priv; |
30 | }ccb; |
31 | |
32 | /*----------------------------------------------------------- |
33 | ** |
34 | ** SCSI constants. |
35 | ** |
36 | **----------------------------------------------------------- |
37 | */ |
38 | |
39 | /* |
40 | ** Messages |
41 | */ |
42 | |
43 | #define M_COMPLETE (0x00) |
44 | #define M_EXTENDED (0x01) |
45 | #define M_SAVE_DP (0x02) |
46 | #define M_RESTORE_DP (0x03) |
47 | #define M_DISCONNECT (0x04) |
48 | #define M_ID_ERROR (0x05) |
49 | #define M_ABORT (0x06) |
50 | #define M_REJECT (0x07) |
51 | #define M_NOOP (0x08) |
52 | #define M_PARITY (0x09) |
53 | #define M_LCOMPLETE (0x0a) |
54 | #define M_FCOMPLETE (0x0b) |
55 | #define M_RESET (0x0c) |
56 | #define M_ABORT_TAG (0x0d) |
57 | #define M_CLEAR_QUEUE (0x0e) |
58 | #define M_INIT_REC (0x0f) |
59 | #define M_REL_REC (0x10) |
60 | #define M_TERMINATE (0x11) |
61 | #define M_SIMPLE_TAG (0x20) |
62 | #define M_HEAD_TAG (0x21) |
63 | #define M_ORDERED_TAG (0x22) |
64 | #define M_IGN_RESIDUE (0x23) |
65 | #define M_IDENTIFY (0x80) |
66 | |
67 | #define M_X_MODIFY_DP (0x00) |
68 | #define M_X_SYNC_REQ (0x01) |
69 | #define M_X_WIDE_REQ (0x03) |
70 | #define M_X_PPR_REQ (0x04) |
71 | |
72 | |
73 | /* |
74 | ** Status |
75 | */ |
76 | |
77 | #define S_GOOD (0x00) |
78 | #define S_CHECK_COND (0x02) |
79 | #define S_COND_MET (0x04) |
80 | #define S_BUSY (0x08) |
81 | #define S_INT (0x10) |
82 | #define S_INT_COND_MET (0x14) |
83 | #define S_CONFLICT (0x18) |
84 | #define S_TERMINATED (0x20) |
85 | #define S_QUEUE_FULL (0x28) |
86 | #define S_ILLEGAL (0xff) |
87 | #define S_SENSE (0x80) |
88 | |
89 | /* |
90 | * Sense_keys |
91 | */ |
92 | |
93 | #define SENSE_NO_SENSE 0x0 |
94 | #define SENSE_RECOVERED_ERROR 0x1 |
95 | #define SENSE_NOT_READY 0x2 |
96 | #define SENSE_MEDIUM_ERROR 0x3 |
97 | #define SENSE_HARDWARE_ERROR 0x4 |
98 | #define SENSE_ILLEGAL_REQUEST 0x5 |
99 | #define SENSE_UNIT_ATTENTION 0x6 |
100 | #define SENSE_DATA_PROTECT 0x7 |
101 | #define SENSE_BLANK_CHECK 0x8 |
102 | #define SENSE_VENDOR_SPECIFIC 0x9 |
103 | #define SENSE_COPY_ABORTED 0xA |
104 | #define SENSE_ABORTED_COMMAND 0xB |
105 | #define SENSE_VOLUME_OVERFLOW 0xD |
106 | #define SENSE_MISCOMPARE 0xE |
107 | |
108 | |
109 | #define SCSI_CHANGE_DEF 0x40 /* Change Definition (Optional) */ |
110 | #define SCSI_COMPARE 0x39 /* Compare (O) */ |
111 | #define SCSI_COPY 0x18 /* Copy (O) */ |
112 | #define SCSI_COP_VERIFY 0x3A /* Copy and Verify (O) */ |
113 | #define SCSI_INQUIRY 0x12 /* Inquiry (MANDATORY) */ |
114 | #define SCSI_LOG_SELECT 0x4C /* Log Select (O) */ |
115 | #define SCSI_LOG_SENSE 0x4D /* Log Sense (O) */ |
116 | #define SCSI_MODE_SEL6 0x15 /* Mode Select 6-byte (Device Specific) */ |
117 | #define SCSI_MODE_SEL10 0x55 /* Mode Select 10-byte (Device Specific) */ |
118 | #define SCSI_MODE_SEN6 0x1A /* Mode Sense 6-byte (Device Specific) */ |
119 | #define SCSI_MODE_SEN10 0x5A /* Mode Sense 10-byte (Device Specific) */ |
120 | #define SCSI_READ_BUFF 0x3C /* Read Buffer (O) */ |
121 | #define SCSI_REQ_SENSE 0x03 /* Request Sense (MANDATORY) */ |
122 | #define SCSI_SEND_DIAG 0x1D /* Send Diagnostic (O) */ |
123 | #define SCSI_TST_U_RDY 0x00 /* Test Unit Ready (MANDATORY) */ |
124 | #define SCSI_WRITE_BUFF 0x3B /* Write Buffer (O) */ |
125 | /*************************************************************************** |
126 | * %%% Commands Unique to Direct Access Devices %%% |
127 | ***************************************************************************/ |
128 | #define SCSI_COMPARE 0x39 /* Compare (O) */ |
129 | #define SCSI_FORMAT 0x04 /* Format Unit (MANDATORY) */ |
130 | #define SCSI_LCK_UN_CAC 0x36 /* Lock Unlock Cache (O) */ |
131 | #define SCSI_PREFETCH 0x34 /* Prefetch (O) */ |
132 | #define SCSI_MED_REMOVL 0x1E /* Prevent/Allow medium Removal (O) */ |
133 | #define SCSI_READ6 0x08 /* Read 6-byte (MANDATORY) */ |
134 | #define SCSI_READ10 0x28 /* Read 10-byte (MANDATORY) */ |
135 | #define SCSI_RD_CAPAC 0x25 /* Read Capacity (MANDATORY) */ |
136 | #define SCSI_RD_CAPAC10 SCSI_RD_CAPAC /* Read Capacity (10) */ |
137 | #define SCSI_RD_CAPAC16 0x9e /* Read Capacity (16) */ |
138 | #define SCSI_RD_DEFECT 0x37 /* Read Defect Data (O) */ |
139 | #define SCSI_READ_LONG 0x3E /* Read Long (O) */ |
140 | #define SCSI_REASS_BLK 0x07 /* Reassign Blocks (O) */ |
141 | #define SCSI_RCV_DIAG 0x1C /* Receive Diagnostic Results (O) */ |
142 | #define SCSI_RELEASE 0x17 /* Release Unit (MANDATORY) */ |
143 | #define SCSI_REZERO 0x01 /* Rezero Unit (O) */ |
144 | #define SCSI_SRCH_DAT_E 0x31 /* Search Data Equal (O) */ |
145 | #define SCSI_SRCH_DAT_H 0x30 /* Search Data High (O) */ |
146 | #define SCSI_SRCH_DAT_L 0x32 /* Search Data Low (O) */ |
147 | #define SCSI_SEEK6 0x0B /* Seek 6-Byte (O) */ |
148 | #define SCSI_SEEK10 0x2B /* Seek 10-Byte (O) */ |
149 | #define SCSI_SEND_DIAG 0x1D /* Send Diagnostics (MANDATORY) */ |
150 | #define SCSI_SET_LIMIT 0x33 /* Set Limits (O) */ |
151 | #define SCSI_START_STP 0x1B /* Start/Stop Unit (O) */ |
152 | #define SCSI_SYNC_CACHE 0x35 /* Synchronize Cache (O) */ |
153 | #define SCSI_VERIFY 0x2F /* Verify (O) */ |
154 | #define SCSI_WRITE6 0x0A /* Write 6-Byte (MANDATORY) */ |
155 | #define SCSI_WRITE10 0x2A /* Write 10-Byte (MANDATORY) */ |
156 | #define SCSI_WRT_VERIFY 0x2E /* Write and Verify (O) */ |
157 | #define SCSI_WRITE_LONG 0x3F /* Write Long (O) */ |
158 | #define SCSI_WRITE_SAME 0x41 /* Write Same (O) */ |
159 | |
160 | |
161 | /**************************************************************************** |
162 | * decleration of functions which have to reside in the LowLevel Part Driver |
163 | */ |
164 | |
165 | void scsi_print_error(ccb *pccb); |
166 | int scsi_exec(ccb *pccb); |
167 | void scsi_bus_reset(void); |
168 | void scsi_low_level_init(int busdevfunc); |
169 | |
170 | |
171 | /*************************************************************************** |
172 | * functions residing inside cmd_scsi.c |
173 | */ |
174 | void scsi_init(void); |
175 | void scsi_scan(int mode); |
176 | |
177 | /** @return the number of scsi disks */ |
178 | int scsi_get_disk_count(void); |
179 | |
180 | #define SCSI_IDENTIFY 0xC0 /* not used */ |
181 | |
182 | /* Hardware errors */ |
183 | #define SCSI_SEL_TIME_OUT 0x00000101 /* Selection time out */ |
184 | #define SCSI_HNS_TIME_OUT 0x00000102 /* Handshake */ |
185 | #define SCSI_MA_TIME_OUT 0x00000103 /* Phase error */ |
186 | #define SCSI_UNEXP_DIS 0x00000104 /* unexpected disconnect */ |
187 | |
188 | #define SCSI_INT_STATE 0x00010000 /* unknown Interrupt number is stored in 16 LSB */ |
189 | |
190 | #endif /* _SCSI_H */ |
191 |