diff options
Diffstat (limited to 'include/linux/fd.h')
-rw-r--r-- | include/linux/fd.h | 380 |
1 files changed, 1 insertions, 379 deletions
diff --git a/include/linux/fd.h b/include/linux/fd.h index 72202b1b9a6a..69275bccc3e4 100644 --- a/include/linux/fd.h +++ b/include/linux/fd.h | |||
@@ -1,384 +1,8 @@ | |||
1 | #ifndef _LINUX_FD_H | 1 | #ifndef _LINUX_FD_H |
2 | #define _LINUX_FD_H | 2 | #define _LINUX_FD_H |
3 | 3 | ||
4 | #include <linux/ioctl.h> | 4 | #include <uapi/linux/fd.h> |
5 | #include <linux/compiler.h> | ||
6 | 5 | ||
7 | /* New file layout: Now the ioctl definitions immediately follow the | ||
8 | * definitions of the structures that they use */ | ||
9 | |||
10 | /* | ||
11 | * Geometry | ||
12 | */ | ||
13 | struct floppy_struct { | ||
14 | unsigned int size, /* nr of sectors total */ | ||
15 | sect, /* sectors per track */ | ||
16 | head, /* nr of heads */ | ||
17 | track, /* nr of tracks */ | ||
18 | stretch; /* bit 0 !=0 means double track steps */ | ||
19 | /* bit 1 != 0 means swap sides */ | ||
20 | /* bits 2..9 give the first sector */ | ||
21 | /* number (the LSB is flipped) */ | ||
22 | #define FD_STRETCH 1 | ||
23 | #define FD_SWAPSIDES 2 | ||
24 | #define FD_ZEROBASED 4 | ||
25 | #define FD_SECTBASEMASK 0x3FC | ||
26 | #define FD_MKSECTBASE(s) (((s) ^ 1) << 2) | ||
27 | #define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) | ||
28 | |||
29 | unsigned char gap, /* gap1 size */ | ||
30 | |||
31 | rate, /* data rate. |= 0x40 for perpendicular */ | ||
32 | #define FD_2M 0x4 | ||
33 | #define FD_SIZECODEMASK 0x38 | ||
34 | #define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8) | ||
35 | #define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \ | ||
36 | 512 : 128 << FD_SIZECODE(floppy) ) | ||
37 | #define FD_PERP 0x40 | ||
38 | |||
39 | spec1, /* stepping rate, head unload time */ | ||
40 | fmt_gap; /* gap2 size */ | ||
41 | const char * name; /* used only for predefined formats */ | ||
42 | }; | ||
43 | |||
44 | |||
45 | /* commands needing write access have 0x40 set */ | ||
46 | /* commands needing super user access have 0x80 set */ | ||
47 | |||
48 | #define FDCLRPRM _IO(2, 0x41) | ||
49 | /* clear user-defined parameters */ | ||
50 | |||
51 | #define FDSETPRM _IOW(2, 0x42, struct floppy_struct) | ||
52 | #define FDSETMEDIAPRM FDSETPRM | ||
53 | /* set user-defined parameters for current media */ | ||
54 | |||
55 | #define FDDEFPRM _IOW(2, 0x43, struct floppy_struct) | ||
56 | #define FDGETPRM _IOR(2, 0x04, struct floppy_struct) | ||
57 | #define FDDEFMEDIAPRM FDDEFPRM | ||
58 | #define FDGETMEDIAPRM FDGETPRM | ||
59 | /* set/get disk parameters */ | ||
60 | |||
61 | |||
62 | #define FDMSGON _IO(2,0x45) | ||
63 | #define FDMSGOFF _IO(2,0x46) | ||
64 | /* issue/don't issue kernel messages on media type change */ | ||
65 | |||
66 | |||
67 | /* | ||
68 | * Formatting (obsolete) | ||
69 | */ | ||
70 | #define FD_FILL_BYTE 0xF6 /* format fill byte. */ | ||
71 | |||
72 | struct format_descr { | ||
73 | unsigned int device,head,track; | ||
74 | }; | ||
75 | |||
76 | #define FDFMTBEG _IO(2,0x47) | ||
77 | /* begin formatting a disk */ | ||
78 | #define FDFMTTRK _IOW(2,0x48, struct format_descr) | ||
79 | /* format the specified track */ | ||
80 | #define FDFMTEND _IO(2,0x49) | ||
81 | /* end formatting a disk */ | ||
82 | |||
83 | |||
84 | /* | ||
85 | * Error thresholds | ||
86 | */ | ||
87 | struct floppy_max_errors { | ||
88 | unsigned int | ||
89 | abort, /* number of errors to be reached before aborting */ | ||
90 | read_track, /* maximal number of errors permitted to read an | ||
91 | * entire track at once */ | ||
92 | reset, /* maximal number of errors before a reset is tried */ | ||
93 | recal, /* maximal number of errors before a recalibrate is | ||
94 | * tried */ | ||
95 | |||
96 | /* | ||
97 | * Threshold for reporting FDC errors to the console. | ||
98 | * Setting this to zero may flood your screen when using | ||
99 | * ultra cheap floppies ;-) | ||
100 | */ | ||
101 | reporting; | ||
102 | |||
103 | }; | ||
104 | |||
105 | #define FDSETEMSGTRESH _IO(2,0x4a) | ||
106 | /* set fdc error reporting threshold */ | ||
107 | |||
108 | #define FDFLUSH _IO(2,0x4b) | ||
109 | /* flush buffers for media; either for verifying media, or for | ||
110 | * handling a media change without closing the file descriptor */ | ||
111 | |||
112 | #define FDSETMAXERRS _IOW(2, 0x4c, struct floppy_max_errors) | ||
113 | #define FDGETMAXERRS _IOR(2, 0x0e, struct floppy_max_errors) | ||
114 | /* set/get abortion and read_track threshold. See also floppy_drive_params | ||
115 | * structure */ | ||
116 | |||
117 | |||
118 | typedef char floppy_drive_name[16]; | ||
119 | #define FDGETDRVTYP _IOR(2, 0x0f, floppy_drive_name) | ||
120 | /* get drive type: 5 1/4 or 3 1/2 */ | ||
121 | |||
122 | |||
123 | /* | ||
124 | * Drive parameters (user modifiable) | ||
125 | */ | ||
126 | struct floppy_drive_params { | ||
127 | signed char cmos; /* CMOS type */ | ||
128 | |||
129 | /* Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms | ||
130 | * etc) and ND is set means no DMA. Hardcoded to 6 (HLD=6ms, use DMA). | ||
131 | */ | ||
132 | unsigned long max_dtr; /* Step rate, usec */ | ||
133 | unsigned long hlt; /* Head load/settle time, msec */ | ||
134 | unsigned long hut; /* Head unload time (remnant of | ||
135 | * 8" drives) */ | ||
136 | unsigned long srt; /* Step rate, usec */ | ||
137 | |||
138 | unsigned long spinup; /* time needed for spinup (expressed | ||
139 | * in jiffies) */ | ||
140 | unsigned long spindown; /* timeout needed for spindown */ | ||
141 | unsigned char spindown_offset; /* decides in which position the disk | ||
142 | * will stop */ | ||
143 | unsigned char select_delay; /* delay to wait after select */ | ||
144 | unsigned char rps; /* rotations per second */ | ||
145 | unsigned char tracks; /* maximum number of tracks */ | ||
146 | unsigned long timeout; /* timeout for interrupt requests */ | ||
147 | |||
148 | unsigned char interleave_sect; /* if there are more sectors, use | ||
149 | * interleave */ | ||
150 | |||
151 | struct floppy_max_errors max_errors; | ||
152 | |||
153 | char flags; /* various flags, including ftd_msg */ | ||
154 | /* | ||
155 | * Announce successful media type detection and media information loss after | ||
156 | * disk changes. | ||
157 | * Also used to enable/disable printing of overrun warnings. | ||
158 | */ | ||
159 | |||
160 | #define FTD_MSG 0x10 | ||
161 | #define FD_BROKEN_DCL 0x20 | ||
162 | #define FD_DEBUG 0x02 | ||
163 | #define FD_SILENT_DCL_CLEAR 0x4 | ||
164 | #define FD_INVERTED_DCL 0x80 /* must be 0x80, because of hardware | ||
165 | considerations */ | ||
166 | |||
167 | char read_track; /* use readtrack during probing? */ | ||
168 | |||
169 | /* | ||
170 | * Auto-detection. Each drive type has eight formats which are | ||
171 | * used in succession to try to read the disk. If the FDC cannot lock onto | ||
172 | * the disk, the next format is tried. This uses the variable 'probing'. | ||
173 | */ | ||
174 | short autodetect[8]; /* autodetected formats */ | ||
175 | |||
176 | int checkfreq; /* how often should the drive be checked for disk | ||
177 | * changes */ | ||
178 | int native_format; /* native format of this drive */ | ||
179 | }; | ||
180 | |||
181 | enum { | ||
182 | FD_NEED_TWADDLE_BIT, /* more magic */ | ||
183 | FD_VERIFY_BIT, /* inquire for write protection */ | ||
184 | FD_DISK_NEWCHANGE_BIT, /* change detected, and no action undertaken yet | ||
185 | * to clear media change status */ | ||
186 | FD_UNUSED_BIT, | ||
187 | FD_DISK_CHANGED_BIT, /* disk has been changed since last i/o */ | ||
188 | FD_DISK_WRITABLE_BIT /* disk is writable */ | ||
189 | }; | ||
190 | |||
191 | #define FDSETDRVPRM _IOW(2, 0x90, struct floppy_drive_params) | ||
192 | #define FDGETDRVPRM _IOR(2, 0x11, struct floppy_drive_params) | ||
193 | /* set/get drive parameters */ | ||
194 | |||
195 | |||
196 | /* | ||
197 | * Current drive state (not directly modifiable by user, readonly) | ||
198 | */ | ||
199 | struct floppy_drive_struct { | ||
200 | unsigned long flags; | ||
201 | /* values for these flags */ | ||
202 | #define FD_NEED_TWADDLE (1 << FD_NEED_TWADDLE_BIT) | ||
203 | #define FD_VERIFY (1 << FD_VERIFY_BIT) | ||
204 | #define FD_DISK_NEWCHANGE (1 << FD_DISK_NEWCHANGE_BIT) | ||
205 | #define FD_DISK_CHANGED (1 << FD_DISK_CHANGED_BIT) | ||
206 | #define FD_DISK_WRITABLE (1 << FD_DISK_WRITABLE_BIT) | ||
207 | |||
208 | unsigned long spinup_date; | ||
209 | unsigned long select_date; | ||
210 | unsigned long first_read_date; | ||
211 | short probed_format; | ||
212 | short track; /* current track */ | ||
213 | short maxblock; /* id of highest block read */ | ||
214 | short maxtrack; /* id of highest half track read */ | ||
215 | int generation; /* how many diskchanges? */ | ||
216 | |||
217 | /* | ||
218 | * (User-provided) media information is _not_ discarded after a media change | ||
219 | * if the corresponding keep_data flag is non-zero. Positive values are | ||
220 | * decremented after each probe. | ||
221 | */ | ||
222 | int keep_data; | ||
223 | |||
224 | /* Prevent "aliased" accesses. */ | ||
225 | int fd_ref; | ||
226 | int fd_device; | ||
227 | unsigned long last_checked; /* when was the drive last checked for a disk | ||
228 | * change? */ | ||
229 | |||
230 | char *dmabuf; | ||
231 | int bufblocks; | ||
232 | }; | ||
233 | |||
234 | #define FDGETDRVSTAT _IOR(2, 0x12, struct floppy_drive_struct) | ||
235 | #define FDPOLLDRVSTAT _IOR(2, 0x13, struct floppy_drive_struct) | ||
236 | /* get drive state: GET returns the cached state, POLL polls for new state */ | ||
237 | |||
238 | |||
239 | /* | ||
240 | * reset FDC | ||
241 | */ | ||
242 | enum reset_mode { | ||
243 | FD_RESET_IF_NEEDED, /* reset only if the reset flags is set */ | ||
244 | FD_RESET_IF_RAWCMD, /* obsolete */ | ||
245 | FD_RESET_ALWAYS /* reset always */ | ||
246 | }; | ||
247 | #define FDRESET _IO(2, 0x54) | ||
248 | |||
249 | |||
250 | /* | ||
251 | * FDC state | ||
252 | */ | ||
253 | struct floppy_fdc_state { | ||
254 | int spec1; /* spec1 value last used */ | ||
255 | int spec2; /* spec2 value last used */ | ||
256 | int dtr; | ||
257 | unsigned char version; /* FDC version code */ | ||
258 | unsigned char dor; | ||
259 | unsigned long address; /* io address */ | ||
260 | unsigned int rawcmd:2; | ||
261 | unsigned int reset:1; | ||
262 | unsigned int need_configure:1; | ||
263 | unsigned int perp_mode:2; | ||
264 | unsigned int has_fifo:1; | ||
265 | unsigned int driver_version; /* version code for floppy driver */ | ||
266 | #define FD_DRIVER_VERSION 0x100 | ||
267 | /* user programs using the floppy API should use floppy_fdc_state to | ||
268 | * get the version number of the floppy driver that they are running | ||
269 | * on. If this version number is bigger than the one compiled into the | ||
270 | * user program (the FD_DRIVER_VERSION define), it should be prepared | ||
271 | * to bigger structures | ||
272 | */ | ||
273 | |||
274 | unsigned char track[4]; | ||
275 | /* Position of the heads of the 4 units attached to this FDC, | ||
276 | * as stored on the FDC. In the future, the position as stored | ||
277 | * on the FDC might not agree with the actual physical | ||
278 | * position of these drive heads. By allowing such | ||
279 | * disagreement, it will be possible to reset the FDC without | ||
280 | * incurring the expensive cost of repositioning all heads. | ||
281 | * Right now, these positions are hard wired to 0. */ | ||
282 | |||
283 | }; | ||
284 | |||
285 | #define FDGETFDCSTAT _IOR(2, 0x15, struct floppy_fdc_state) | ||
286 | |||
287 | |||
288 | /* | ||
289 | * Asynchronous Write error tracking | ||
290 | */ | ||
291 | struct floppy_write_errors { | ||
292 | /* Write error logging. | ||
293 | * | ||
294 | * These fields can be cleared with the FDWERRORCLR ioctl. | ||
295 | * Only writes that were attempted but failed due to a physical media | ||
296 | * error are logged. write(2) calls that fail and return an error code | ||
297 | * to the user process are not counted. | ||
298 | */ | ||
299 | |||
300 | unsigned int write_errors; /* number of physical write errors | ||
301 | * encountered */ | ||
302 | |||
303 | /* position of first and last write errors */ | ||
304 | unsigned long first_error_sector; | ||
305 | int first_error_generation; | ||
306 | unsigned long last_error_sector; | ||
307 | int last_error_generation; | ||
308 | |||
309 | unsigned int badness; /* highest retry count for a read or write | ||
310 | * operation */ | ||
311 | }; | ||
312 | |||
313 | #define FDWERRORCLR _IO(2, 0x56) | ||
314 | /* clear write error and badness information */ | ||
315 | #define FDWERRORGET _IOR(2, 0x17, struct floppy_write_errors) | ||
316 | /* get write error and badness information */ | ||
317 | |||
318 | |||
319 | /* | ||
320 | * Raw commands | ||
321 | */ | ||
322 | /* new interface flag: now we can do them in batches */ | ||
323 | #define FDHAVEBATCHEDRAWCMD | ||
324 | |||
325 | struct floppy_raw_cmd { | ||
326 | unsigned int flags; | ||
327 | #define FD_RAW_READ 1 | ||
328 | #define FD_RAW_WRITE 2 | ||
329 | #define FD_RAW_NO_MOTOR 4 | ||
330 | #define FD_RAW_DISK_CHANGE 4 /* out: disk change flag was set */ | ||
331 | #define FD_RAW_INTR 8 /* wait for an interrupt */ | ||
332 | #define FD_RAW_SPIN 0x10 /* spin up the disk for this command */ | ||
333 | #define FD_RAW_NO_MOTOR_AFTER 0x20 /* switch the motor off after command | ||
334 | * completion */ | ||
335 | #define FD_RAW_NEED_DISK 0x40 /* this command needs a disk to be present */ | ||
336 | #define FD_RAW_NEED_SEEK 0x80 /* this command uses an implied seek (soft) */ | ||
337 | |||
338 | /* more "in" flags */ | ||
339 | #define FD_RAW_MORE 0x100 /* more records follow */ | ||
340 | #define FD_RAW_STOP_IF_FAILURE 0x200 /* stop if we encounter a failure */ | ||
341 | #define FD_RAW_STOP_IF_SUCCESS 0x400 /* stop if command successful */ | ||
342 | #define FD_RAW_SOFTFAILURE 0x800 /* consider the return value for failure | ||
343 | * detection too */ | ||
344 | |||
345 | /* more "out" flags */ | ||
346 | #define FD_RAW_FAILURE 0x10000 /* command sent to fdc, fdc returned error */ | ||
347 | #define FD_RAW_HARDFAILURE 0x20000 /* fdc had to be reset, or timed out */ | ||
348 | |||
349 | void __user *data; | ||
350 | char *kernel_data; /* location of data buffer in the kernel */ | ||
351 | struct floppy_raw_cmd *next; /* used for chaining of raw cmd's | ||
352 | * within the kernel */ | ||
353 | long length; /* in: length of dma transfer. out: remaining bytes */ | ||
354 | long phys_length; /* physical length, if different from dma length */ | ||
355 | int buffer_length; /* length of allocated buffer */ | ||
356 | |||
357 | unsigned char rate; | ||
358 | unsigned char cmd_count; | ||
359 | unsigned char cmd[16]; | ||
360 | unsigned char reply_count; | ||
361 | unsigned char reply[16]; | ||
362 | int track; | ||
363 | int resultcode; | ||
364 | |||
365 | int reserved1; | ||
366 | int reserved2; | ||
367 | }; | ||
368 | |||
369 | #define FDRAWCMD _IO(2, 0x58) | ||
370 | /* send a raw command to the fdc. Structure size not included, because of | ||
371 | * batches */ | ||
372 | |||
373 | #define FDTWADDLE _IO(2, 0x59) | ||
374 | /* flicker motor-on bit before reading a sector. Experimental */ | ||
375 | |||
376 | |||
377 | #define FDEJECT _IO(2, 0x5a) | ||
378 | /* eject the disk */ | ||
379 | |||
380 | |||
381 | #ifdef __KERNEL__ | ||
382 | #ifdef CONFIG_COMPAT | 6 | #ifdef CONFIG_COMPAT |
383 | #include <linux/compat.h> | 7 | #include <linux/compat.h> |
384 | 8 | ||
@@ -398,5 +22,3 @@ struct compat_floppy_struct { | |||
398 | #define FDGETPRM32 _IOR(2, 0x04, struct compat_floppy_struct) | 22 | #define FDGETPRM32 _IOR(2, 0x04, struct compat_floppy_struct) |
399 | #endif | 23 | #endif |
400 | #endif | 24 | #endif |
401 | |||
402 | #endif | ||