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1da177e4 LT |
1 | /* |
2 | * File...........: linux/drivers/s390/block/dasd_eckd.h | |
3 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> | |
4 | * Horst Hummel <Horst.Hummel@de.ibm.com> | |
5 | * Bugreports.to..: <Linux390@de.ibm.com> | |
6 | * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 | |
7 | * | |
1da177e4 LT |
8 | */ |
9 | ||
10 | #ifndef DASD_ECKD_H | |
11 | #define DASD_ECKD_H | |
12 | ||
13 | /***************************************************************************** | |
14 | * SECTION: CCW Definitions | |
15 | ****************************************************************************/ | |
16 | #define DASD_ECKD_CCW_WRITE 0x05 | |
17 | #define DASD_ECKD_CCW_READ 0x06 | |
18 | #define DASD_ECKD_CCW_WRITE_HOME_ADDRESS 0x09 | |
19 | #define DASD_ECKD_CCW_READ_HOME_ADDRESS 0x0a | |
20 | #define DASD_ECKD_CCW_WRITE_KD 0x0d | |
21 | #define DASD_ECKD_CCW_READ_KD 0x0e | |
22 | #define DASD_ECKD_CCW_ERASE 0x11 | |
23 | #define DASD_ECKD_CCW_READ_COUNT 0x12 | |
24 | #define DASD_ECKD_CCW_SLCK 0x14 | |
25 | #define DASD_ECKD_CCW_WRITE_RECORD_ZERO 0x15 | |
26 | #define DASD_ECKD_CCW_READ_RECORD_ZERO 0x16 | |
27 | #define DASD_ECKD_CCW_WRITE_CKD 0x1d | |
28 | #define DASD_ECKD_CCW_READ_CKD 0x1e | |
29 | #define DASD_ECKD_CCW_PSF 0x27 | |
30 | #define DASD_ECKD_CCW_RSSD 0x3e | |
31 | #define DASD_ECKD_CCW_LOCATE_RECORD 0x47 | |
20c64468 | 32 | #define DASD_ECKD_CCW_SNSS 0x54 |
1da177e4 LT |
33 | #define DASD_ECKD_CCW_DEFINE_EXTENT 0x63 |
34 | #define DASD_ECKD_CCW_WRITE_MT 0x85 | |
35 | #define DASD_ECKD_CCW_READ_MT 0x86 | |
36 | #define DASD_ECKD_CCW_WRITE_KD_MT 0x8d | |
37 | #define DASD_ECKD_CCW_READ_KD_MT 0x8e | |
38 | #define DASD_ECKD_CCW_RELEASE 0x94 | |
39 | #define DASD_ECKD_CCW_READ_CKD_MT 0x9e | |
40 | #define DASD_ECKD_CCW_WRITE_CKD_MT 0x9d | |
41 | #define DASD_ECKD_CCW_RESERVE 0xB4 | |
42 | ||
43 | /* | |
44 | *Perform Subsystem Function / Sub-Orders | |
45 | */ | |
46 | #define PSF_ORDER_PRSSD 0x18 | |
47 | ||
48 | /***************************************************************************** | |
49 | * SECTION: Type Definitions | |
50 | ****************************************************************************/ | |
51 | ||
52 | struct eckd_count { | |
53 | __u16 cyl; | |
54 | __u16 head; | |
55 | __u8 record; | |
56 | __u8 kl; | |
57 | __u16 dl; | |
58 | } __attribute__ ((packed)); | |
59 | ||
60 | struct ch_t { | |
61 | __u16 cyl; | |
62 | __u16 head; | |
63 | } __attribute__ ((packed)); | |
64 | ||
65 | struct chs_t { | |
66 | __u16 cyl; | |
67 | __u16 head; | |
68 | __u32 sector; | |
69 | } __attribute__ ((packed)); | |
70 | ||
71 | struct chr_t { | |
72 | __u16 cyl; | |
73 | __u16 head; | |
74 | __u8 record; | |
75 | } __attribute__ ((packed)); | |
76 | ||
77 | struct geom_t { | |
78 | __u16 cyl; | |
79 | __u16 head; | |
80 | __u32 sector; | |
81 | } __attribute__ ((packed)); | |
82 | ||
83 | struct eckd_home { | |
84 | __u8 skip_control[14]; | |
85 | __u16 cell_number; | |
86 | __u8 physical_addr[3]; | |
87 | __u8 flag; | |
88 | struct ch_t track_addr; | |
89 | __u8 reserved; | |
90 | __u8 key_length; | |
91 | __u8 reserved2[2]; | |
92 | } __attribute__ ((packed)); | |
93 | ||
94 | struct DE_eckd_data { | |
95 | struct { | |
96 | unsigned char perm:2; /* Permissions on this extent */ | |
97 | unsigned char reserved:1; | |
98 | unsigned char seek:2; /* Seek control */ | |
99 | unsigned char auth:2; /* Access authorization */ | |
100 | unsigned char pci:1; /* PCI Fetch mode */ | |
101 | } __attribute__ ((packed)) mask; | |
102 | struct { | |
103 | unsigned char mode:2; /* Architecture mode */ | |
104 | unsigned char ckd:1; /* CKD Conversion */ | |
105 | unsigned char operation:3; /* Operation mode */ | |
106 | unsigned char cfw:1; /* Cache fast write */ | |
107 | unsigned char dfw:1; /* DASD fast write */ | |
108 | } __attribute__ ((packed)) attributes; | |
109 | __u16 blk_size; /* Blocksize */ | |
110 | __u16 fast_write_id; | |
111 | __u8 ga_additional; /* Global Attributes Additional */ | |
112 | __u8 ga_extended; /* Global Attributes Extended */ | |
113 | struct ch_t beg_ext; | |
114 | struct ch_t end_ext; | |
115 | unsigned long long ep_sys_time; /* Ext Parameter - System Time Stamp */ | |
116 | __u8 ep_format; /* Extended Parameter format byte */ | |
117 | __u8 ep_prio; /* Extended Parameter priority I/O byte */ | |
118 | __u8 ep_reserved[6]; /* Extended Parameter Reserved */ | |
119 | } __attribute__ ((packed)); | |
120 | ||
121 | struct LO_eckd_data { | |
122 | struct { | |
123 | unsigned char orientation:2; | |
124 | unsigned char operation:6; | |
125 | } __attribute__ ((packed)) operation; | |
126 | struct { | |
127 | unsigned char last_bytes_used:1; | |
128 | unsigned char reserved:6; | |
129 | unsigned char read_count_suffix:1; | |
130 | } __attribute__ ((packed)) auxiliary; | |
131 | __u8 unused; | |
132 | __u8 count; | |
133 | struct ch_t seek_addr; | |
134 | struct chr_t search_arg; | |
135 | __u8 sector; | |
136 | __u16 length; | |
137 | } __attribute__ ((packed)); | |
138 | ||
139 | struct dasd_eckd_characteristics { | |
140 | __u16 cu_type; | |
141 | struct { | |
142 | unsigned char support:2; | |
143 | unsigned char async:1; | |
144 | unsigned char reserved:1; | |
145 | unsigned char cache_info:1; | |
146 | unsigned char model:3; | |
147 | } __attribute__ ((packed)) cu_model; | |
148 | __u16 dev_type; | |
149 | __u8 dev_model; | |
150 | struct { | |
151 | unsigned char mult_burst:1; | |
152 | unsigned char RT_in_LR:1; | |
153 | unsigned char reserved1:1; | |
154 | unsigned char RD_IN_LR:1; | |
155 | unsigned char reserved2:4; | |
156 | unsigned char reserved3:8; | |
157 | unsigned char defect_wr:1; | |
158 | unsigned char XRC_supported:1; | |
159 | unsigned char reserved4:1; | |
160 | unsigned char striping:1; | |
161 | unsigned char reserved5:4; | |
162 | unsigned char cfw:1; | |
163 | unsigned char reserved6:2; | |
164 | unsigned char cache:1; | |
165 | unsigned char dual_copy:1; | |
166 | unsigned char dfw:1; | |
167 | unsigned char reset_alleg:1; | |
168 | unsigned char sense_down:1; | |
169 | } __attribute__ ((packed)) facilities; | |
170 | __u8 dev_class; | |
171 | __u8 unit_type; | |
172 | __u16 no_cyl; | |
173 | __u16 trk_per_cyl; | |
174 | __u8 sec_per_trk; | |
175 | __u8 byte_per_track[3]; | |
176 | __u16 home_bytes; | |
177 | __u8 formula; | |
178 | union { | |
179 | struct { | |
180 | __u8 f1; | |
181 | __u16 f2; | |
182 | __u16 f3; | |
183 | } __attribute__ ((packed)) f_0x01; | |
184 | struct { | |
185 | __u8 f1; | |
186 | __u8 f2; | |
187 | __u8 f3; | |
188 | __u8 f4; | |
189 | __u8 f5; | |
190 | } __attribute__ ((packed)) f_0x02; | |
191 | } __attribute__ ((packed)) factors; | |
192 | __u16 first_alt_trk; | |
193 | __u16 no_alt_trk; | |
194 | __u16 first_dia_trk; | |
195 | __u16 no_dia_trk; | |
196 | __u16 first_sup_trk; | |
197 | __u16 no_sup_trk; | |
198 | __u8 MDR_ID; | |
199 | __u8 OBR_ID; | |
200 | __u8 director; | |
201 | __u8 rd_trk_set; | |
202 | __u16 max_rec_zero; | |
203 | __u8 reserved1; | |
204 | __u8 RWANY_in_LR; | |
205 | __u8 factor6; | |
206 | __u8 factor7; | |
207 | __u8 factor8; | |
208 | __u8 reserved2[3]; | |
209 | __u8 reserved3[10]; | |
210 | } __attribute__ ((packed)); | |
211 | ||
212 | struct dasd_eckd_confdata { | |
213 | struct { | |
214 | struct { | |
215 | unsigned char identifier:2; | |
216 | unsigned char token_id:1; | |
217 | unsigned char sno_valid:1; | |
218 | unsigned char subst_sno:1; | |
219 | unsigned char recNED:1; | |
220 | unsigned char emuNED:1; | |
221 | unsigned char reserved:1; | |
222 | } __attribute__ ((packed)) flags; | |
223 | __u8 descriptor; | |
224 | __u8 dev_class; | |
225 | __u8 reserved; | |
226 | unsigned char dev_type[6]; | |
227 | unsigned char dev_model[3]; | |
228 | unsigned char HDA_manufacturer[3]; | |
229 | unsigned char HDA_location[2]; | |
230 | unsigned char HDA_seqno[12]; | |
3d052595 HH |
231 | __u8 ID; |
232 | __u8 unit_addr; | |
1da177e4 | 233 | } __attribute__ ((packed)) ned1; |
3d052595 | 234 | union { |
1da177e4 | 235 | struct { |
3d052595 HH |
236 | struct { |
237 | unsigned char identifier:2; | |
238 | unsigned char token_id:1; | |
239 | unsigned char sno_valid:1; | |
240 | unsigned char subst_sno:1; | |
241 | unsigned char recNED:1; | |
242 | unsigned char emuNED:1; | |
243 | unsigned char reserved:1; | |
244 | } __attribute__ ((packed)) flags; | |
245 | __u8 descriptor; | |
246 | __u8 reserved[2]; | |
247 | unsigned char dev_type[6]; | |
248 | unsigned char dev_model[3]; | |
249 | unsigned char DASD_manufacturer[3]; | |
250 | unsigned char DASD_location[2]; | |
251 | unsigned char DASD_seqno[12]; | |
252 | __u16 ID; | |
253 | } __attribute__ ((packed)) ned; | |
254 | struct { | |
255 | unsigned char flags; /* byte 0 */ | |
256 | unsigned char res2[7]; /* byte 1- 7 */ | |
257 | unsigned char sua_flags; /* byte 8 */ | |
258 | __u8 base_unit_addr; /* byte 9 */ | |
259 | unsigned char res3[22]; /* byte 10-31 */ | |
260 | } __attribute__ ((packed)) sneq; | |
1da177e4 LT |
261 | } __attribute__ ((packed)) ned2; |
262 | struct { | |
263 | struct { | |
264 | unsigned char identifier:2; | |
265 | unsigned char token_id:1; | |
266 | unsigned char sno_valid:1; | |
267 | unsigned char subst_sno:1; | |
268 | unsigned char recNED:1; | |
269 | unsigned char emuNED:1; | |
270 | unsigned char reserved:1; | |
271 | } __attribute__ ((packed)) flags; | |
272 | __u8 descriptor; | |
273 | __u8 reserved[2]; | |
274 | unsigned char cont_type[6]; | |
275 | unsigned char cont_model[3]; | |
276 | unsigned char cont_manufacturer[3]; | |
277 | unsigned char cont_location[2]; | |
278 | unsigned char cont_seqno[12]; | |
279 | __u16 ID; | |
280 | } __attribute__ ((packed)) ned3; | |
281 | struct { | |
282 | struct { | |
283 | unsigned char identifier:2; | |
284 | unsigned char token_id:1; | |
285 | unsigned char sno_valid:1; | |
286 | unsigned char subst_sno:1; | |
287 | unsigned char recNED:1; | |
288 | unsigned char emuNED:1; | |
289 | unsigned char reserved:1; | |
290 | } __attribute__ ((packed)) flags; | |
291 | __u8 descriptor; | |
292 | __u8 reserved[2]; | |
293 | unsigned char cont_type[6]; | |
294 | unsigned char empty[3]; | |
295 | unsigned char cont_manufacturer[3]; | |
296 | unsigned char cont_location[2]; | |
297 | unsigned char cont_seqno[12]; | |
298 | __u16 ID; | |
299 | } __attribute__ ((packed)) ned4; | |
300 | unsigned char ned5[32]; | |
301 | unsigned char ned6[32]; | |
302 | unsigned char ned7[32]; | |
303 | struct { | |
304 | struct { | |
305 | unsigned char identifier:2; | |
306 | unsigned char reserved:6; | |
307 | } __attribute__ ((packed)) flags; | |
308 | __u8 selector; | |
309 | __u16 interfaceID; | |
310 | __u32 reserved; | |
311 | __u16 subsystemID; | |
312 | struct { | |
313 | unsigned char sp0:1; | |
314 | unsigned char sp1:1; | |
315 | unsigned char reserved:5; | |
316 | unsigned char scluster:1; | |
317 | } __attribute__ ((packed)) spathID; | |
318 | __u8 unit_address; | |
319 | __u8 dev_ID; | |
320 | __u8 dev_address; | |
321 | __u8 adapterID; | |
322 | __u16 link_address; | |
323 | struct { | |
324 | unsigned char parallel:1; | |
325 | unsigned char escon:1; | |
326 | unsigned char reserved:1; | |
327 | unsigned char ficon:1; | |
328 | unsigned char reserved2:4; | |
329 | } __attribute__ ((packed)) protocol_type; | |
330 | struct { | |
331 | unsigned char PID_in_236:1; | |
332 | unsigned char reserved:7; | |
333 | } __attribute__ ((packed)) format_flags; | |
334 | __u8 log_dev_address; | |
335 | unsigned char reserved2[12]; | |
336 | } __attribute__ ((packed)) neq; | |
337 | } __attribute__ ((packed)); | |
338 | ||
339 | struct dasd_eckd_path { | |
340 | __u8 opm; | |
341 | __u8 ppm; | |
342 | __u8 npm; | |
343 | }; | |
344 | ||
345 | /* | |
346 | * Perform Subsystem Function - Prepare for Read Subsystem Data | |
347 | */ | |
348 | struct dasd_psf_prssd_data { | |
349 | unsigned char order; | |
350 | unsigned char flags; | |
351 | unsigned char reserved[4]; | |
352 | unsigned char suborder; | |
353 | unsigned char varies[9]; | |
354 | } __attribute__ ((packed)); | |
355 | ||
356 | #endif /* DASD_ECKD_H */ |