aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/ide.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/ide.h')
-rw-r--r--include/linux/ide.h211
1 files changed, 106 insertions, 105 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a5e1888b1dab..14d489c2e5a9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -282,6 +282,110 @@ typedef enum {
282 ide_started, /* a drive operation was started, handler was set */ 282 ide_started, /* a drive operation was started, handler was set */
283} ide_startstop_t; 283} ide_startstop_t;
284 284
285enum {
286 IDE_TFLAG_LBA48 = (1 << 0),
287 IDE_TFLAG_FLAGGED = (1 << 2),
288 IDE_TFLAG_OUT_DATA = (1 << 3),
289 IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4),
290 IDE_TFLAG_OUT_HOB_NSECT = (1 << 5),
291 IDE_TFLAG_OUT_HOB_LBAL = (1 << 6),
292 IDE_TFLAG_OUT_HOB_LBAM = (1 << 7),
293 IDE_TFLAG_OUT_HOB_LBAH = (1 << 8),
294 IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE |
295 IDE_TFLAG_OUT_HOB_NSECT |
296 IDE_TFLAG_OUT_HOB_LBAL |
297 IDE_TFLAG_OUT_HOB_LBAM |
298 IDE_TFLAG_OUT_HOB_LBAH,
299 IDE_TFLAG_OUT_FEATURE = (1 << 9),
300 IDE_TFLAG_OUT_NSECT = (1 << 10),
301 IDE_TFLAG_OUT_LBAL = (1 << 11),
302 IDE_TFLAG_OUT_LBAM = (1 << 12),
303 IDE_TFLAG_OUT_LBAH = (1 << 13),
304 IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE |
305 IDE_TFLAG_OUT_NSECT |
306 IDE_TFLAG_OUT_LBAL |
307 IDE_TFLAG_OUT_LBAM |
308 IDE_TFLAG_OUT_LBAH,
309 IDE_TFLAG_OUT_DEVICE = (1 << 14),
310 IDE_TFLAG_WRITE = (1 << 15),
311 IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16),
312 IDE_TFLAG_IN_DATA = (1 << 17),
313 IDE_TFLAG_CUSTOM_HANDLER = (1 << 18),
314 IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19),
315 IDE_TFLAG_IN_HOB_FEATURE = (1 << 20),
316 IDE_TFLAG_IN_HOB_NSECT = (1 << 21),
317 IDE_TFLAG_IN_HOB_LBAL = (1 << 22),
318 IDE_TFLAG_IN_HOB_LBAM = (1 << 23),
319 IDE_TFLAG_IN_HOB_LBAH = (1 << 24),
320 IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL |
321 IDE_TFLAG_IN_HOB_LBAM |
322 IDE_TFLAG_IN_HOB_LBAH,
323 IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE |
324 IDE_TFLAG_IN_HOB_NSECT |
325 IDE_TFLAG_IN_HOB_LBA,
326 IDE_TFLAG_IN_FEATURE = (1 << 1),
327 IDE_TFLAG_IN_NSECT = (1 << 25),
328 IDE_TFLAG_IN_LBAL = (1 << 26),
329 IDE_TFLAG_IN_LBAM = (1 << 27),
330 IDE_TFLAG_IN_LBAH = (1 << 28),
331 IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL |
332 IDE_TFLAG_IN_LBAM |
333 IDE_TFLAG_IN_LBAH,
334 IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT |
335 IDE_TFLAG_IN_LBA,
336 IDE_TFLAG_IN_DEVICE = (1 << 29),
337 IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB |
338 IDE_TFLAG_IN_HOB,
339 IDE_TFLAG_TF = IDE_TFLAG_OUT_TF |
340 IDE_TFLAG_IN_TF,
341 IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE |
342 IDE_TFLAG_IN_DEVICE,
343 /* force 16-bit I/O operations */
344 IDE_TFLAG_IO_16BIT = (1 << 30),
345 /* ide_task_t was allocated using kmalloc() */
346 IDE_TFLAG_DYN = (1 << 31),
347};
348
349struct ide_taskfile {
350 u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */
351
352 u8 hob_feature; /* 1-5: additional data to support LBA48 */
353 u8 hob_nsect;
354 u8 hob_lbal;
355 u8 hob_lbam;
356 u8 hob_lbah;
357
358 u8 data; /* 6: low data byte (for TASKFILE IOCTL) */
359
360 union { /*  7: */
361 u8 error; /* read: error */
362 u8 feature; /* write: feature */
363 };
364
365 u8 nsect; /* 8: number of sectors */
366 u8 lbal; /* 9: LBA low */
367 u8 lbam; /* 10: LBA mid */
368 u8 lbah; /* 11: LBA high */
369
370 u8 device; /* 12: device select */
371
372 union { /* 13: */
373 u8 status; /*  read: status  */
374 u8 command; /* write: command */
375 };
376};
377
378typedef struct ide_task_s {
379 union {
380 struct ide_taskfile tf;
381 u8 tf_array[14];
382 };
383 u32 tf_flags;
384 int data_phase;
385 struct request *rq; /* copy of request */
386 void *special; /* valid_t generally */
387} ide_task_t;
388
285/* ATAPI packet command flags */ 389/* ATAPI packet command flags */
286enum { 390enum {
287 /* set when an error is considered normal - no retry (ide-tape) */ 391 /* set when an error is considered normal - no retry (ide-tape) */
@@ -567,7 +671,6 @@ typedef struct ide_drive_s ide_drive_t;
567#define ide_drv_g(disk, cont_type) \ 671#define ide_drv_g(disk, cont_type) \
568 container_of((disk)->private_data, struct cont_type, driver) 672 container_of((disk)->private_data, struct cont_type, driver)
569 673
570struct ide_task_s;
571struct ide_port_info; 674struct ide_port_info;
572 675
573struct ide_tp_ops { 676struct ide_tp_ops {
@@ -694,6 +797,8 @@ typedef struct hwif_s {
694 /* data phase of the active command (currently only valid for PIO/DMA) */ 797 /* data phase of the active command (currently only valid for PIO/DMA) */
695 int data_phase; 798 int data_phase;
696 799
800 struct ide_task_s task; /* current command */
801
697 unsigned int nsect; 802 unsigned int nsect;
698 unsigned int nleft; 803 unsigned int nleft;
699 struct scatterlist *cursg; 804 struct scatterlist *cursg;
@@ -1059,110 +1164,6 @@ extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
1059 1164
1060extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); 1165extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
1061 1166
1062enum {
1063 IDE_TFLAG_LBA48 = (1 << 0),
1064 IDE_TFLAG_FLAGGED = (1 << 2),
1065 IDE_TFLAG_OUT_DATA = (1 << 3),
1066 IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4),
1067 IDE_TFLAG_OUT_HOB_NSECT = (1 << 5),
1068 IDE_TFLAG_OUT_HOB_LBAL = (1 << 6),
1069 IDE_TFLAG_OUT_HOB_LBAM = (1 << 7),
1070 IDE_TFLAG_OUT_HOB_LBAH = (1 << 8),
1071 IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE |
1072 IDE_TFLAG_OUT_HOB_NSECT |
1073 IDE_TFLAG_OUT_HOB_LBAL |
1074 IDE_TFLAG_OUT_HOB_LBAM |
1075 IDE_TFLAG_OUT_HOB_LBAH,
1076 IDE_TFLAG_OUT_FEATURE = (1 << 9),
1077 IDE_TFLAG_OUT_NSECT = (1 << 10),
1078 IDE_TFLAG_OUT_LBAL = (1 << 11),
1079 IDE_TFLAG_OUT_LBAM = (1 << 12),
1080 IDE_TFLAG_OUT_LBAH = (1 << 13),
1081 IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE |
1082 IDE_TFLAG_OUT_NSECT |
1083 IDE_TFLAG_OUT_LBAL |
1084 IDE_TFLAG_OUT_LBAM |
1085 IDE_TFLAG_OUT_LBAH,
1086 IDE_TFLAG_OUT_DEVICE = (1 << 14),
1087 IDE_TFLAG_WRITE = (1 << 15),
1088 IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16),
1089 IDE_TFLAG_IN_DATA = (1 << 17),
1090 IDE_TFLAG_CUSTOM_HANDLER = (1 << 18),
1091 IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19),
1092 IDE_TFLAG_IN_HOB_FEATURE = (1 << 20),
1093 IDE_TFLAG_IN_HOB_NSECT = (1 << 21),
1094 IDE_TFLAG_IN_HOB_LBAL = (1 << 22),
1095 IDE_TFLAG_IN_HOB_LBAM = (1 << 23),
1096 IDE_TFLAG_IN_HOB_LBAH = (1 << 24),
1097 IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL |
1098 IDE_TFLAG_IN_HOB_LBAM |
1099 IDE_TFLAG_IN_HOB_LBAH,
1100 IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE |
1101 IDE_TFLAG_IN_HOB_NSECT |
1102 IDE_TFLAG_IN_HOB_LBA,
1103 IDE_TFLAG_IN_FEATURE = (1 << 1),
1104 IDE_TFLAG_IN_NSECT = (1 << 25),
1105 IDE_TFLAG_IN_LBAL = (1 << 26),
1106 IDE_TFLAG_IN_LBAM = (1 << 27),
1107 IDE_TFLAG_IN_LBAH = (1 << 28),
1108 IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL |
1109 IDE_TFLAG_IN_LBAM |
1110 IDE_TFLAG_IN_LBAH,
1111 IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT |
1112 IDE_TFLAG_IN_LBA,
1113 IDE_TFLAG_IN_DEVICE = (1 << 29),
1114 IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB |
1115 IDE_TFLAG_IN_HOB,
1116 IDE_TFLAG_TF = IDE_TFLAG_OUT_TF |
1117 IDE_TFLAG_IN_TF,
1118 IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE |
1119 IDE_TFLAG_IN_DEVICE,
1120 /* force 16-bit I/O operations */
1121 IDE_TFLAG_IO_16BIT = (1 << 30),
1122 /* ide_task_t was allocated using kmalloc() */
1123 IDE_TFLAG_DYN = (1 << 31),
1124};
1125
1126struct ide_taskfile {
1127 u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */
1128
1129 u8 hob_feature; /* 1-5: additional data to support LBA48 */
1130 u8 hob_nsect;
1131 u8 hob_lbal;
1132 u8 hob_lbam;
1133 u8 hob_lbah;
1134
1135 u8 data; /* 6: low data byte (for TASKFILE IOCTL) */
1136
1137 union { /*  7: */
1138 u8 error; /* read: error */
1139 u8 feature; /* write: feature */
1140 };
1141
1142 u8 nsect; /* 8: number of sectors */
1143 u8 lbal; /* 9: LBA low */
1144 u8 lbam; /* 10: LBA mid */
1145 u8 lbah; /* 11: LBA high */
1146
1147 u8 device; /* 12: device select */
1148
1149 union { /* 13: */
1150 u8 status; /*  read: status  */
1151 u8 command; /* write: command */
1152 };
1153};
1154
1155typedef struct ide_task_s {
1156 union {
1157 struct ide_taskfile tf;
1158 u8 tf_array[14];
1159 };
1160 u32 tf_flags;
1161 int data_phase;
1162 struct request *rq; /* copy of request */
1163 void *special; /* valid_t generally */
1164} ide_task_t;
1165
1166void ide_tf_dump(const char *, struct ide_taskfile *); 1167void ide_tf_dump(const char *, struct ide_taskfile *);
1167 1168
1168void ide_exec_command(ide_hwif_t *, u8); 1169void ide_exec_command(ide_hwif_t *, u8);
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-06 14:47:10 -0500