Eric Lee / linux-smarc-t335x-v3.2

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Commit e07bc7096424b977e53a16d72ec02645389107ba

Authored by Bartlomiej Zolnierkiewicz
1 parent c0bc113373
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

[PATCH] ide: remove dead code from flagged_taskfile() 

flagged_taskfile() is called from execute_drive_cmd()
(the only user) only if args->tf_out_flags.all != 0.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

Showing 2 changed files with 7 additions and 11 deletions Inline Diff

drivers/ide/ide-taskfile.c
Diff comments   View file @ e07bc70
1 /* 1 /*
2 * linux/drivers/ide/ide-taskfile.c Version 0.38 March 05, 2003 2 * linux/drivers/ide/ide-taskfile.c Version 0.38 March 05, 2003
3 * 3 *
4 * Copyright (C) 2000-2002 Michael Cornwell <cornwell@acm.org> 4 * Copyright (C) 2000-2002 Michael Cornwell <cornwell@acm.org>
5 * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org> 5 * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
6 * Copyright (C) 2001-2002 Klaus Smolin 6 * Copyright (C) 2001-2002 Klaus Smolin
7 * IBM Storage Technology Division 7 * IBM Storage Technology Division
8 * Copyright (C) 2003-2004 Bartlomiej Zolnierkiewicz 8 * Copyright (C) 2003-2004 Bartlomiej Zolnierkiewicz
9 * 9 *
10 * The big the bad and the ugly. 10 * The big the bad and the ugly.
11 * 11 *
12 * Problems to be fixed because of BH interface or the lack therefore. 12 * Problems to be fixed because of BH interface or the lack therefore.
13 * 13 *
14 * Fill me in stupid !!! 14 * Fill me in stupid !!!
15 * 15 *
16 * HOST: 16 * HOST:
17 * General refers to the Controller and Driver "pair". 17 * General refers to the Controller and Driver "pair".
18 * DATA HANDLER: 18 * DATA HANDLER:
19 * Under the context of Linux it generally refers to an interrupt handler. 19 * Under the context of Linux it generally refers to an interrupt handler.
20 * However, it correctly describes the 'HOST' 20 * However, it correctly describes the 'HOST'
21 * DATA BLOCK: 21 * DATA BLOCK:
22 * The amount of data needed to be transfered as predefined in the 22 * The amount of data needed to be transfered as predefined in the
23 * setup of the device. 23 * setup of the device.
24 * STORAGE ATOMIC: 24 * STORAGE ATOMIC:
25 * The 'DATA BLOCK' associated to the 'DATA HANDLER', and can be as 25 * The 'DATA BLOCK' associated to the 'DATA HANDLER', and can be as
26 * small as a single sector or as large as the entire command block 26 * small as a single sector or as large as the entire command block
27 * request. 27 * request.
28 */ 28 */
29 29
30 #include <linux/config.h> 30 #include <linux/config.h>
31 #include <linux/module.h> 31 #include <linux/module.h>
32 #include <linux/types.h> 32 #include <linux/types.h>
33 #include <linux/string.h> 33 #include <linux/string.h>
34 #include <linux/kernel.h> 34 #include <linux/kernel.h>
35 #include <linux/timer.h> 35 #include <linux/timer.h>
36 #include <linux/mm.h> 36 #include <linux/mm.h>
37 #include <linux/interrupt.h> 37 #include <linux/interrupt.h>
38 #include <linux/major.h> 38 #include <linux/major.h>
39 #include <linux/errno.h> 39 #include <linux/errno.h>
40 #include <linux/genhd.h> 40 #include <linux/genhd.h>
41 #include <linux/blkpg.h> 41 #include <linux/blkpg.h>
42 #include <linux/slab.h> 42 #include <linux/slab.h>
43 #include <linux/pci.h> 43 #include <linux/pci.h>
44 #include <linux/delay.h> 44 #include <linux/delay.h>
45 #include <linux/hdreg.h> 45 #include <linux/hdreg.h>
46 #include <linux/ide.h> 46 #include <linux/ide.h>
47 #include <linux/bitops.h> 47 #include <linux/bitops.h>
48 48
49 #include <asm/byteorder.h> 49 #include <asm/byteorder.h>
50 #include <asm/irq.h> 50 #include <asm/irq.h>
51 #include <asm/uaccess.h> 51 #include <asm/uaccess.h>
52 #include <asm/io.h> 52 #include <asm/io.h>
53 53
54 static void ata_bswap_data (void *buffer, int wcount) 54 static void ata_bswap_data (void *buffer, int wcount)
55 { 55 {
56 u16 *p = buffer; 56 u16 *p = buffer;
57 57
58 while (wcount--) { 58 while (wcount--) {
59 *p = *p << 8 | *p >> 8; p++; 59 *p = *p << 8 | *p >> 8; p++;
60 *p = *p << 8 | *p >> 8; p++; 60 *p = *p << 8 | *p >> 8; p++;
61 } 61 }
62 } 62 }
63 63
64 static void taskfile_input_data(ide_drive_t *drive, void *buffer, u32 wcount) 64 static void taskfile_input_data(ide_drive_t *drive, void *buffer, u32 wcount)
65 { 65 {
66 HWIF(drive)->ata_input_data(drive, buffer, wcount); 66 HWIF(drive)->ata_input_data(drive, buffer, wcount);
67 if (drive->bswap) 67 if (drive->bswap)
68 ata_bswap_data(buffer, wcount); 68 ata_bswap_data(buffer, wcount);
69 } 69 }
70 70
71 static void taskfile_output_data(ide_drive_t *drive, void *buffer, u32 wcount) 71 static void taskfile_output_data(ide_drive_t *drive, void *buffer, u32 wcount)
72 { 72 {
73 if (drive->bswap) { 73 if (drive->bswap) {
74 ata_bswap_data(buffer, wcount); 74 ata_bswap_data(buffer, wcount);
75 HWIF(drive)->ata_output_data(drive, buffer, wcount); 75 HWIF(drive)->ata_output_data(drive, buffer, wcount);
76 ata_bswap_data(buffer, wcount); 76 ata_bswap_data(buffer, wcount);
77 } else { 77 } else {
78 HWIF(drive)->ata_output_data(drive, buffer, wcount); 78 HWIF(drive)->ata_output_data(drive, buffer, wcount);
79 } 79 }
80 } 80 }
81 81
82 int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf) 82 int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
83 { 83 {
84 ide_task_t args; 84 ide_task_t args;
85 memset(&args, 0, sizeof(ide_task_t)); 85 memset(&args, 0, sizeof(ide_task_t));
86 args.tfRegister[IDE_NSECTOR_OFFSET] = 0x01; 86 args.tfRegister[IDE_NSECTOR_OFFSET] = 0x01;
87 if (drive->media == ide_disk) 87 if (drive->media == ide_disk)
88 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_IDENTIFY; 88 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_IDENTIFY;
89 else 89 else
90 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_PIDENTIFY; 90 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_PIDENTIFY;
91 args.command_type = IDE_DRIVE_TASK_IN; 91 args.command_type = IDE_DRIVE_TASK_IN;
92 args.data_phase = TASKFILE_IN; 92 args.data_phase = TASKFILE_IN;
93 args.handler = &task_in_intr; 93 args.handler = &task_in_intr;
94 return ide_raw_taskfile(drive, &args, buf); 94 return ide_raw_taskfile(drive, &args, buf);
95 } 95 }
96 96
97 ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) 97 ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
98 { 98 {
99 ide_hwif_t *hwif = HWIF(drive); 99 ide_hwif_t *hwif = HWIF(drive);
100 task_struct_t *taskfile = (task_struct_t *) task->tfRegister; 100 task_struct_t *taskfile = (task_struct_t *) task->tfRegister;
101 hob_struct_t *hobfile = (hob_struct_t *) task->hobRegister; 101 hob_struct_t *hobfile = (hob_struct_t *) task->hobRegister;
102 u8 HIHI = (drive->addressing == 1) ? 0xE0 : 0xEF; 102 u8 HIHI = (drive->addressing == 1) ? 0xE0 : 0xEF;
103 103
104 /* ALL Command Block Executions SHALL clear nIEN, unless otherwise */ 104 /* ALL Command Block Executions SHALL clear nIEN, unless otherwise */
105 if (IDE_CONTROL_REG) { 105 if (IDE_CONTROL_REG) {
106 /* clear nIEN */ 106 /* clear nIEN */
107 hwif->OUTB(drive->ctl, IDE_CONTROL_REG); 107 hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
108 } 108 }
109 SELECT_MASK(drive, 0); 109 SELECT_MASK(drive, 0);
110 110
111 if (drive->addressing == 1) { 111 if (drive->addressing == 1) {
112 hwif->OUTB(hobfile->feature, IDE_FEATURE_REG); 112 hwif->OUTB(hobfile->feature, IDE_FEATURE_REG);
113 hwif->OUTB(hobfile->sector_count, IDE_NSECTOR_REG); 113 hwif->OUTB(hobfile->sector_count, IDE_NSECTOR_REG);
114 hwif->OUTB(hobfile->sector_number, IDE_SECTOR_REG); 114 hwif->OUTB(hobfile->sector_number, IDE_SECTOR_REG);
115 hwif->OUTB(hobfile->low_cylinder, IDE_LCYL_REG); 115 hwif->OUTB(hobfile->low_cylinder, IDE_LCYL_REG);
116 hwif->OUTB(hobfile->high_cylinder, IDE_HCYL_REG); 116 hwif->OUTB(hobfile->high_cylinder, IDE_HCYL_REG);
117 } 117 }
118 118
119 hwif->OUTB(taskfile->feature, IDE_FEATURE_REG); 119 hwif->OUTB(taskfile->feature, IDE_FEATURE_REG);
120 hwif->OUTB(taskfile->sector_count, IDE_NSECTOR_REG); 120 hwif->OUTB(taskfile->sector_count, IDE_NSECTOR_REG);
121 hwif->OUTB(taskfile->sector_number, IDE_SECTOR_REG); 121 hwif->OUTB(taskfile->sector_number, IDE_SECTOR_REG);
122 hwif->OUTB(taskfile->low_cylinder, IDE_LCYL_REG); 122 hwif->OUTB(taskfile->low_cylinder, IDE_LCYL_REG);
123 hwif->OUTB(taskfile->high_cylinder, IDE_HCYL_REG); 123 hwif->OUTB(taskfile->high_cylinder, IDE_HCYL_REG);
124 124
125 hwif->OUTB((taskfile->device_head & HIHI) | drive->select.all, IDE_SELECT_REG); 125 hwif->OUTB((taskfile->device_head & HIHI) | drive->select.all, IDE_SELECT_REG);
126 126
127 if (task->handler != NULL) { 127 if (task->handler != NULL) {
128 if (task->prehandler != NULL) { 128 if (task->prehandler != NULL) {
129 hwif->OUTBSYNC(drive, taskfile->command, IDE_COMMAND_REG); 129 hwif->OUTBSYNC(drive, taskfile->command, IDE_COMMAND_REG);
130 ndelay(400); /* FIXME */ 130 ndelay(400); /* FIXME */
131 return task->prehandler(drive, task->rq); 131 return task->prehandler(drive, task->rq);
132 } 132 }
133 ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL); 133 ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL);
134 return ide_started; 134 return ide_started;
135 } 135 }
136 136
137 if (!drive->using_dma) 137 if (!drive->using_dma)
138 return ide_stopped; 138 return ide_stopped;
139 139
140 switch (taskfile->command) { 140 switch (taskfile->command) {
141 case WIN_WRITEDMA_ONCE: 141 case WIN_WRITEDMA_ONCE:
142 case WIN_WRITEDMA: 142 case WIN_WRITEDMA:
143 case WIN_WRITEDMA_EXT: 143 case WIN_WRITEDMA_EXT:
144 case WIN_READDMA_ONCE: 144 case WIN_READDMA_ONCE:
145 case WIN_READDMA: 145 case WIN_READDMA:
146 case WIN_READDMA_EXT: 146 case WIN_READDMA_EXT:
147 case WIN_IDENTIFY_DMA: 147 case WIN_IDENTIFY_DMA:
148 if (!hwif->dma_setup(drive)) { 148 if (!hwif->dma_setup(drive)) {
149 hwif->dma_exec_cmd(drive, taskfile->command); 149 hwif->dma_exec_cmd(drive, taskfile->command);
150 hwif->dma_start(drive); 150 hwif->dma_start(drive);
151 return ide_started; 151 return ide_started;
152 } 152 }
153 break; 153 break;
154 default: 154 default:
155 if (task->handler == NULL) 155 if (task->handler == NULL)
156 return ide_stopped; 156 return ide_stopped;
157 } 157 }
158 158
159 return ide_stopped; 159 return ide_stopped;
160 } 160 }
161 161
162 /* 162 /*
163 * set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd. 163 * set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd.
164 */ 164 */
165 ide_startstop_t set_multmode_intr (ide_drive_t *drive) 165 ide_startstop_t set_multmode_intr (ide_drive_t *drive)
166 { 166 {
167 ide_hwif_t *hwif = HWIF(drive); 167 ide_hwif_t *hwif = HWIF(drive);
168 u8 stat; 168 u8 stat;
169 169
170 if (OK_STAT(stat = hwif->INB(IDE_STATUS_REG),READY_STAT,BAD_STAT)) { 170 if (OK_STAT(stat = hwif->INB(IDE_STATUS_REG),READY_STAT,BAD_STAT)) {
171 drive->mult_count = drive->mult_req; 171 drive->mult_count = drive->mult_req;
172 } else { 172 } else {
173 drive->mult_req = drive->mult_count = 0; 173 drive->mult_req = drive->mult_count = 0;
174 drive->special.b.recalibrate = 1; 174 drive->special.b.recalibrate = 1;
175 (void) ide_dump_status(drive, "set_multmode", stat); 175 (void) ide_dump_status(drive, "set_multmode", stat);
176 } 176 }
177 return ide_stopped; 177 return ide_stopped;
178 } 178 }
179 179
180 /* 180 /*
181 * set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd. 181 * set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd.
182 */ 182 */
183 ide_startstop_t set_geometry_intr (ide_drive_t *drive) 183 ide_startstop_t set_geometry_intr (ide_drive_t *drive)
184 { 184 {
185 ide_hwif_t *hwif = HWIF(drive); 185 ide_hwif_t *hwif = HWIF(drive);
186 int retries = 5; 186 int retries = 5;
187 u8 stat; 187 u8 stat;
188 188
189 while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--) 189 while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
190 udelay(10); 190 udelay(10);
191 191
192 if (OK_STAT(stat, READY_STAT, BAD_STAT)) 192 if (OK_STAT(stat, READY_STAT, BAD_STAT))
193 return ide_stopped; 193 return ide_stopped;
194 194
195 if (stat & (ERR_STAT|DRQ_STAT)) 195 if (stat & (ERR_STAT|DRQ_STAT))
196 return ide_error(drive, "set_geometry_intr", stat); 196 return ide_error(drive, "set_geometry_intr", stat);
197 197
198 if (HWGROUP(drive)->handler != NULL) 198 if (HWGROUP(drive)->handler != NULL)
199 BUG(); 199 BUG();
200 ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL); 200 ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL);
201 return ide_started; 201 return ide_started;
202 } 202 }
203 203
204 /* 204 /*
205 * recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd. 205 * recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd.
206 */ 206 */
207 ide_startstop_t recal_intr (ide_drive_t *drive) 207 ide_startstop_t recal_intr (ide_drive_t *drive)
208 { 208 {
209 ide_hwif_t *hwif = HWIF(drive); 209 ide_hwif_t *hwif = HWIF(drive);
210 u8 stat; 210 u8 stat;
211 211
212 if (!OK_STAT(stat = hwif->INB(IDE_STATUS_REG), READY_STAT, BAD_STAT)) 212 if (!OK_STAT(stat = hwif->INB(IDE_STATUS_REG), READY_STAT, BAD_STAT))
213 return ide_error(drive, "recal_intr", stat); 213 return ide_error(drive, "recal_intr", stat);
214 return ide_stopped; 214 return ide_stopped;
215 } 215 }
216 216
217 /* 217 /*
218 * Handler for commands without a data phase 218 * Handler for commands without a data phase
219 */ 219 */
220 ide_startstop_t task_no_data_intr (ide_drive_t *drive) 220 ide_startstop_t task_no_data_intr (ide_drive_t *drive)
221 { 221 {
222 ide_task_t *args = HWGROUP(drive)->rq->special; 222 ide_task_t *args = HWGROUP(drive)->rq->special;
223 ide_hwif_t *hwif = HWIF(drive); 223 ide_hwif_t *hwif = HWIF(drive);
224 u8 stat; 224 u8 stat;
225 225
226 local_irq_enable(); 226 local_irq_enable();
227 if (!OK_STAT(stat = hwif->INB(IDE_STATUS_REG),READY_STAT,BAD_STAT)) { 227 if (!OK_STAT(stat = hwif->INB(IDE_STATUS_REG),READY_STAT,BAD_STAT)) {
228 return ide_error(drive, "task_no_data_intr", stat); 228 return ide_error(drive, "task_no_data_intr", stat);
229 /* calls ide_end_drive_cmd */ 229 /* calls ide_end_drive_cmd */
230 } 230 }
231 if (args) 231 if (args)
232 ide_end_drive_cmd(drive, stat, hwif->INB(IDE_ERROR_REG)); 232 ide_end_drive_cmd(drive, stat, hwif->INB(IDE_ERROR_REG));
233 233
234 return ide_stopped; 234 return ide_stopped;
235 } 235 }
236 236
237 EXPORT_SYMBOL(task_no_data_intr); 237 EXPORT_SYMBOL(task_no_data_intr);
238 238
239 static u8 wait_drive_not_busy(ide_drive_t *drive) 239 static u8 wait_drive_not_busy(ide_drive_t *drive)
240 { 240 {
241 ide_hwif_t *hwif = HWIF(drive); 241 ide_hwif_t *hwif = HWIF(drive);
242 int retries = 100; 242 int retries = 100;
243 u8 stat; 243 u8 stat;
244 244
245 /* 245 /*
246 * Last sector was transfered, wait until drive is ready. 246 * Last sector was transfered, wait until drive is ready.
247 * This can take up to 10 usec, but we will wait max 1 ms 247 * This can take up to 10 usec, but we will wait max 1 ms
248 * (drive_cmd_intr() waits that long). 248 * (drive_cmd_intr() waits that long).
249 */ 249 */
250 while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--) 250 while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
251 udelay(10); 251 udelay(10);
252 252
253 if (!retries) 253 if (!retries)
254 printk(KERN_ERR "%s: drive still BUSY!\n", drive->name); 254 printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);
255 255
256 return stat; 256 return stat;
257 } 257 }
258 258
259 static void ide_pio_sector(ide_drive_t *drive, unsigned int write) 259 static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
260 { 260 {
261 ide_hwif_t *hwif = drive->hwif; 261 ide_hwif_t *hwif = drive->hwif;
262 struct scatterlist *sg = hwif->sg_table; 262 struct scatterlist *sg = hwif->sg_table;
263 struct page *page; 263 struct page *page;
264 #ifdef CONFIG_HIGHMEM 264 #ifdef CONFIG_HIGHMEM
265 unsigned long flags; 265 unsigned long flags;
266 #endif 266 #endif
267 unsigned int offset; 267 unsigned int offset;
268 u8 *buf; 268 u8 *buf;
269 269
270 page = sg[hwif->cursg].page; 270 page = sg[hwif->cursg].page;
271 offset = sg[hwif->cursg].offset + hwif->cursg_ofs * SECTOR_SIZE; 271 offset = sg[hwif->cursg].offset + hwif->cursg_ofs * SECTOR_SIZE;
272 272
273 /* get the current page and offset */ 273 /* get the current page and offset */
274 page = nth_page(page, (offset >> PAGE_SHIFT)); 274 page = nth_page(page, (offset >> PAGE_SHIFT));
275 offset %= PAGE_SIZE; 275 offset %= PAGE_SIZE;
276 276
277 #ifdef CONFIG_HIGHMEM 277 #ifdef CONFIG_HIGHMEM
278 local_irq_save(flags); 278 local_irq_save(flags);
279 #endif 279 #endif
280 buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; 280 buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset;
281 281
282 hwif->nleft--; 282 hwif->nleft--;
283 hwif->cursg_ofs++; 283 hwif->cursg_ofs++;
284 284
285 if ((hwif->cursg_ofs * SECTOR_SIZE) == sg[hwif->cursg].length) { 285 if ((hwif->cursg_ofs * SECTOR_SIZE) == sg[hwif->cursg].length) {
286 hwif->cursg++; 286 hwif->cursg++;
287 hwif->cursg_ofs = 0; 287 hwif->cursg_ofs = 0;
288 } 288 }
289 289
290 /* do the actual data transfer */ 290 /* do the actual data transfer */
291 if (write) 291 if (write)
292 taskfile_output_data(drive, buf, SECTOR_WORDS); 292 taskfile_output_data(drive, buf, SECTOR_WORDS);
293 else 293 else
294 taskfile_input_data(drive, buf, SECTOR_WORDS); 294 taskfile_input_data(drive, buf, SECTOR_WORDS);
295 295
296 kunmap_atomic(buf, KM_BIO_SRC_IRQ); 296 kunmap_atomic(buf, KM_BIO_SRC_IRQ);
297 #ifdef CONFIG_HIGHMEM 297 #ifdef CONFIG_HIGHMEM
298 local_irq_restore(flags); 298 local_irq_restore(flags);
299 #endif 299 #endif
300 } 300 }
301 301
302 static void ide_pio_multi(ide_drive_t *drive, unsigned int write) 302 static void ide_pio_multi(ide_drive_t *drive, unsigned int write)
303 { 303 {
304 unsigned int nsect; 304 unsigned int nsect;
305 305
306 nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count); 306 nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
307 while (nsect--) 307 while (nsect--)
308 ide_pio_sector(drive, write); 308 ide_pio_sector(drive, write);
309 } 309 }
310 310
311 static inline void ide_pio_datablock(ide_drive_t *drive, struct request *rq, 311 static inline void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
312 unsigned int write) 312 unsigned int write)
313 { 313 {
314 if (rq->bio) /* fs request */ 314 if (rq->bio) /* fs request */
315 rq->errors = 0; 315 rq->errors = 0;
316 316
317 switch (drive->hwif->data_phase) { 317 switch (drive->hwif->data_phase) {
318 case TASKFILE_MULTI_IN: 318 case TASKFILE_MULTI_IN:
319 case TASKFILE_MULTI_OUT: 319 case TASKFILE_MULTI_OUT:
320 ide_pio_multi(drive, write); 320 ide_pio_multi(drive, write);
321 break; 321 break;
322 default: 322 default:
323 ide_pio_sector(drive, write); 323 ide_pio_sector(drive, write);
324 break; 324 break;
325 } 325 }
326 } 326 }
327 327
328 static ide_startstop_t task_error(ide_drive_t *drive, struct request *rq, 328 static ide_startstop_t task_error(ide_drive_t *drive, struct request *rq,
329 const char *s, u8 stat) 329 const char *s, u8 stat)
330 { 330 {
331 if (rq->bio) { 331 if (rq->bio) {
332 ide_hwif_t *hwif = drive->hwif; 332 ide_hwif_t *hwif = drive->hwif;
333 int sectors = hwif->nsect - hwif->nleft; 333 int sectors = hwif->nsect - hwif->nleft;
334 334
335 switch (hwif->data_phase) { 335 switch (hwif->data_phase) {
336 case TASKFILE_IN: 336 case TASKFILE_IN:
337 if (hwif->nleft) 337 if (hwif->nleft)
338 break; 338 break;
339 /* fall through */ 339 /* fall through */
340 case TASKFILE_OUT: 340 case TASKFILE_OUT:
341 sectors--; 341 sectors--;
342 break; 342 break;
343 case TASKFILE_MULTI_IN: 343 case TASKFILE_MULTI_IN:
344 if (hwif->nleft) 344 if (hwif->nleft)
345 break; 345 break;
346 /* fall through */ 346 /* fall through */
347 case TASKFILE_MULTI_OUT: 347 case TASKFILE_MULTI_OUT:
348 sectors -= drive->mult_count; 348 sectors -= drive->mult_count;
349 default: 349 default:
350 break; 350 break;
351 } 351 }
352 352
353 if (sectors > 0) { 353 if (sectors > 0) {
354 ide_driver_t *drv; 354 ide_driver_t *drv;
355 355
356 drv = *(ide_driver_t **)rq->rq_disk->private_data; 356 drv = *(ide_driver_t **)rq->rq_disk->private_data;
357 drv->end_request(drive, 1, sectors); 357 drv->end_request(drive, 1, sectors);
358 } 358 }
359 } 359 }
360 return ide_error(drive, s, stat); 360 return ide_error(drive, s, stat);
361 } 361 }
362 362
363 static void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat) 363 static void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat)
364 { 364 {
365 if (rq->flags & REQ_DRIVE_TASKFILE) { 365 if (rq->flags & REQ_DRIVE_TASKFILE) {
366 ide_task_t *task = rq->special; 366 ide_task_t *task = rq->special;
367 367
368 if (task->tf_out_flags.all) { 368 if (task->tf_out_flags.all) {
369 u8 err = drive->hwif->INB(IDE_ERROR_REG); 369 u8 err = drive->hwif->INB(IDE_ERROR_REG);
370 ide_end_drive_cmd(drive, stat, err); 370 ide_end_drive_cmd(drive, stat, err);
371 return; 371 return;
372 } 372 }
373 } 373 }
374 374
375 ide_end_request(drive, 1, rq->hard_nr_sectors); 375 ide_end_request(drive, 1, rq->hard_nr_sectors);
376 } 376 }
377 377
378 /* 378 /*
379 * Handler for command with PIO data-in phase (Read/Read Multiple). 379 * Handler for command with PIO data-in phase (Read/Read Multiple).
380 */ 380 */
381 ide_startstop_t task_in_intr (ide_drive_t *drive) 381 ide_startstop_t task_in_intr (ide_drive_t *drive)
382 { 382 {
383 ide_hwif_t *hwif = drive->hwif; 383 ide_hwif_t *hwif = drive->hwif;
384 struct request *rq = HWGROUP(drive)->rq; 384 struct request *rq = HWGROUP(drive)->rq;
385 u8 stat = hwif->INB(IDE_STATUS_REG); 385 u8 stat = hwif->INB(IDE_STATUS_REG);
386 386
387 /* new way for dealing with premature shared PCI interrupts */ 387 /* new way for dealing with premature shared PCI interrupts */
388 if (!OK_STAT(stat, DATA_READY, BAD_R_STAT)) { 388 if (!OK_STAT(stat, DATA_READY, BAD_R_STAT)) {
389 if (stat & (ERR_STAT | DRQ_STAT)) 389 if (stat & (ERR_STAT | DRQ_STAT))
390 return task_error(drive, rq, __FUNCTION__, stat); 390 return task_error(drive, rq, __FUNCTION__, stat);
391 /* No data yet, so wait for another IRQ. */ 391 /* No data yet, so wait for another IRQ. */
392 ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL); 392 ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL);
393 return ide_started; 393 return ide_started;
394 } 394 }
395 395
396 ide_pio_datablock(drive, rq, 0); 396 ide_pio_datablock(drive, rq, 0);
397 397
398 /* If it was the last datablock check status and finish transfer. */ 398 /* If it was the last datablock check status and finish transfer. */
399 if (!hwif->nleft) { 399 if (!hwif->nleft) {
400 stat = wait_drive_not_busy(drive); 400 stat = wait_drive_not_busy(drive);
401 if (!OK_STAT(stat, 0, BAD_R_STAT)) 401 if (!OK_STAT(stat, 0, BAD_R_STAT))
402 return task_error(drive, rq, __FUNCTION__, stat); 402 return task_error(drive, rq, __FUNCTION__, stat);
403 task_end_request(drive, rq, stat); 403 task_end_request(drive, rq, stat);
404 return ide_stopped; 404 return ide_stopped;
405 } 405 }
406 406
407 /* Still data left to transfer. */ 407 /* Still data left to transfer. */
408 ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL); 408 ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL);
409 409
410 return ide_started; 410 return ide_started;
411 } 411 }
412 EXPORT_SYMBOL(task_in_intr); 412 EXPORT_SYMBOL(task_in_intr);
413 413
414 /* 414 /*
415 * Handler for command with PIO data-out phase (Write/Write Multiple). 415 * Handler for command with PIO data-out phase (Write/Write Multiple).
416 */ 416 */
417 static ide_startstop_t task_out_intr (ide_drive_t *drive) 417 static ide_startstop_t task_out_intr (ide_drive_t *drive)
418 { 418 {
419 ide_hwif_t *hwif = drive->hwif; 419 ide_hwif_t *hwif = drive->hwif;
420 struct request *rq = HWGROUP(drive)->rq; 420 struct request *rq = HWGROUP(drive)->rq;
421 u8 stat = hwif->INB(IDE_STATUS_REG); 421 u8 stat = hwif->INB(IDE_STATUS_REG);
422 422
423 if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat)) 423 if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
424 return task_error(drive, rq, __FUNCTION__, stat); 424 return task_error(drive, rq, __FUNCTION__, stat);
425 425
426 /* Deal with unexpected ATA data phase. */ 426 /* Deal with unexpected ATA data phase. */
427 if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft) 427 if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft)
428 return task_error(drive, rq, __FUNCTION__, stat); 428 return task_error(drive, rq, __FUNCTION__, stat);
429 429
430 if (!hwif->nleft) { 430 if (!hwif->nleft) {
431 task_end_request(drive, rq, stat); 431 task_end_request(drive, rq, stat);
432 return ide_stopped; 432 return ide_stopped;
433 } 433 }
434 434
435 /* Still data left to transfer. */ 435 /* Still data left to transfer. */
436 ide_pio_datablock(drive, rq, 1); 436 ide_pio_datablock(drive, rq, 1);
437 ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL); 437 ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
438 438
439 return ide_started; 439 return ide_started;
440 } 440 }
441 441
442 ide_startstop_t pre_task_out_intr (ide_drive_t *drive, struct request *rq) 442 ide_startstop_t pre_task_out_intr (ide_drive_t *drive, struct request *rq)
443 { 443 {
444 ide_startstop_t startstop; 444 ide_startstop_t startstop;
445 445
446 if (ide_wait_stat(&startstop, drive, DATA_READY, 446 if (ide_wait_stat(&startstop, drive, DATA_READY,
447 drive->bad_wstat, WAIT_DRQ)) { 447 drive->bad_wstat, WAIT_DRQ)) {
448 printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n", 448 printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n",
449 drive->name, 449 drive->name,
450 drive->hwif->data_phase ? "MULT" : "", 450 drive->hwif->data_phase ? "MULT" : "",
451 drive->addressing ? "_EXT" : ""); 451 drive->addressing ? "_EXT" : "");
452 return startstop; 452 return startstop;
453 } 453 }
454 454
455 if (!drive->unmask) 455 if (!drive->unmask)
456 local_irq_disable(); 456 local_irq_disable();
457 457
458 ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL); 458 ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
459 ide_pio_datablock(drive, rq, 1); 459 ide_pio_datablock(drive, rq, 1);
460 460
461 return ide_started; 461 return ide_started;
462 } 462 }
463 EXPORT_SYMBOL(pre_task_out_intr); 463 EXPORT_SYMBOL(pre_task_out_intr);
464 464
465 static int ide_diag_taskfile(ide_drive_t *drive, ide_task_t *args, unsigned long data_size, u8 *buf) 465 static int ide_diag_taskfile(ide_drive_t *drive, ide_task_t *args, unsigned long data_size, u8 *buf)
466 { 466 {
467 struct request rq; 467 struct request rq;
468 468
469 memset(&rq, 0, sizeof(rq)); 469 memset(&rq, 0, sizeof(rq));
470 rq.flags = REQ_DRIVE_TASKFILE; 470 rq.flags = REQ_DRIVE_TASKFILE;
471 rq.buffer = buf; 471 rq.buffer = buf;
472 472
473 /* 473 /*
474 * (ks) We transfer currently only whole sectors. 474 * (ks) We transfer currently only whole sectors.
475 * This is suffient for now. But, it would be great, 475 * This is suffient for now. But, it would be great,
476 * if we would find a solution to transfer any size. 476 * if we would find a solution to transfer any size.
477 * To support special commands like READ LONG. 477 * To support special commands like READ LONG.
478 */ 478 */
479 if (args->command_type != IDE_DRIVE_TASK_NO_DATA) { 479 if (args->command_type != IDE_DRIVE_TASK_NO_DATA) {
480 if (data_size == 0) 480 if (data_size == 0)
481 rq.nr_sectors = (args->hobRegister[IDE_NSECTOR_OFFSET] << 8) | args->tfRegister[IDE_NSECTOR_OFFSET]; 481 rq.nr_sectors = (args->hobRegister[IDE_NSECTOR_OFFSET] << 8) | args->tfRegister[IDE_NSECTOR_OFFSET];
482 else 482 else
483 rq.nr_sectors = data_size / SECTOR_SIZE; 483 rq.nr_sectors = data_size / SECTOR_SIZE;
484 484
485 if (!rq.nr_sectors) { 485 if (!rq.nr_sectors) {
486 printk(KERN_ERR "%s: in/out command without data\n", 486 printk(KERN_ERR "%s: in/out command without data\n",
487 drive->name); 487 drive->name);
488 return -EFAULT; 488 return -EFAULT;
489 } 489 }
490 490
491 rq.hard_nr_sectors = rq.nr_sectors; 491 rq.hard_nr_sectors = rq.nr_sectors;
492 rq.hard_cur_sectors = rq.current_nr_sectors = rq.nr_sectors; 492 rq.hard_cur_sectors = rq.current_nr_sectors = rq.nr_sectors;
493 493
494 if (args->command_type == IDE_DRIVE_TASK_RAW_WRITE) 494 if (args->command_type == IDE_DRIVE_TASK_RAW_WRITE)
495 rq.flags |= REQ_RW; 495 rq.flags |= REQ_RW;
496 } 496 }
497 497
498 rq.special = args; 498 rq.special = args;
499 args->rq = &rq; 499 args->rq = &rq;
500 return ide_do_drive_cmd(drive, &rq, ide_wait); 500 return ide_do_drive_cmd(drive, &rq, ide_wait);
501 } 501 }
502 502
503 int ide_raw_taskfile (ide_drive_t *drive, ide_task_t *args, u8 *buf) 503 int ide_raw_taskfile (ide_drive_t *drive, ide_task_t *args, u8 *buf)
504 { 504 {
505 return ide_diag_taskfile(drive, args, 0, buf); 505 return ide_diag_taskfile(drive, args, 0, buf);
506 } 506 }
507 507
508 EXPORT_SYMBOL(ide_raw_taskfile); 508 EXPORT_SYMBOL(ide_raw_taskfile);
509 509
510 int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) 510 int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
511 { 511 {
512 ide_task_request_t *req_task; 512 ide_task_request_t *req_task;
513 ide_task_t args; 513 ide_task_t args;
514 u8 *outbuf = NULL; 514 u8 *outbuf = NULL;
515 u8 *inbuf = NULL; 515 u8 *inbuf = NULL;
516 task_ioreg_t *argsptr = args.tfRegister; 516 task_ioreg_t *argsptr = args.tfRegister;
517 task_ioreg_t *hobsptr = args.hobRegister; 517 task_ioreg_t *hobsptr = args.hobRegister;
518 int err = 0; 518 int err = 0;
519 int tasksize = sizeof(struct ide_task_request_s); 519 int tasksize = sizeof(struct ide_task_request_s);
520 int taskin = 0; 520 int taskin = 0;
521 int taskout = 0; 521 int taskout = 0;
522 u8 io_32bit = drive->io_32bit; 522 u8 io_32bit = drive->io_32bit;
523 char __user *buf = (char __user *)arg; 523 char __user *buf = (char __user *)arg;
524 524
525 // printk("IDE Taskfile ...\n"); 525 // printk("IDE Taskfile ...\n");
526 526
527 req_task = kzalloc(tasksize, GFP_KERNEL); 527 req_task = kzalloc(tasksize, GFP_KERNEL);
528 if (req_task == NULL) return -ENOMEM; 528 if (req_task == NULL) return -ENOMEM;
529 if (copy_from_user(req_task, buf, tasksize)) { 529 if (copy_from_user(req_task, buf, tasksize)) {
530 kfree(req_task); 530 kfree(req_task);
531 return -EFAULT; 531 return -EFAULT;
532 } 532 }
533 533
534 taskout = (int) req_task->out_size; 534 taskout = (int) req_task->out_size;
535 taskin = (int) req_task->in_size; 535 taskin = (int) req_task->in_size;
536 536
537 if (taskout) { 537 if (taskout) {
538 int outtotal = tasksize; 538 int outtotal = tasksize;
539 outbuf = kzalloc(taskout, GFP_KERNEL); 539 outbuf = kzalloc(taskout, GFP_KERNEL);
540 if (outbuf == NULL) { 540 if (outbuf == NULL) {
541 err = -ENOMEM; 541 err = -ENOMEM;
542 goto abort; 542 goto abort;
543 } 543 }
544 if (copy_from_user(outbuf, buf + outtotal, taskout)) { 544 if (copy_from_user(outbuf, buf + outtotal, taskout)) {
545 err = -EFAULT; 545 err = -EFAULT;
546 goto abort; 546 goto abort;
547 } 547 }
548 } 548 }
549 549
550 if (taskin) { 550 if (taskin) {
551 int intotal = tasksize + taskout; 551 int intotal = tasksize + taskout;
552 inbuf = kzalloc(taskin, GFP_KERNEL); 552 inbuf = kzalloc(taskin, GFP_KERNEL);
553 if (inbuf == NULL) { 553 if (inbuf == NULL) {
554 err = -ENOMEM; 554 err = -ENOMEM;
555 goto abort; 555 goto abort;
556 } 556 }
557 if (copy_from_user(inbuf, buf + intotal, taskin)) { 557 if (copy_from_user(inbuf, buf + intotal, taskin)) {
558 err = -EFAULT; 558 err = -EFAULT;
559 goto abort; 559 goto abort;
560 } 560 }
561 } 561 }
562 562
563 memset(&args, 0, sizeof(ide_task_t)); 563 memset(&args, 0, sizeof(ide_task_t));
564 memcpy(argsptr, req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE); 564 memcpy(argsptr, req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE);
565 memcpy(hobsptr, req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE); 565 memcpy(hobsptr, req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE);
566 566
567 args.tf_in_flags = req_task->in_flags; 567 args.tf_in_flags = req_task->in_flags;
568 args.tf_out_flags = req_task->out_flags; 568 args.tf_out_flags = req_task->out_flags;
569 args.data_phase = req_task->data_phase; 569 args.data_phase = req_task->data_phase;
570 args.command_type = req_task->req_cmd; 570 args.command_type = req_task->req_cmd;
571 571
572 drive->io_32bit = 0; 572 drive->io_32bit = 0;
573 switch(req_task->data_phase) { 573 switch(req_task->data_phase) {
574 case TASKFILE_OUT_DMAQ: 574 case TASKFILE_OUT_DMAQ:
575 case TASKFILE_OUT_DMA: 575 case TASKFILE_OUT_DMA:
576 err = ide_diag_taskfile(drive, &args, taskout, outbuf); 576 err = ide_diag_taskfile(drive, &args, taskout, outbuf);
577 break; 577 break;
578 case TASKFILE_IN_DMAQ: 578 case TASKFILE_IN_DMAQ:
579 case TASKFILE_IN_DMA: 579 case TASKFILE_IN_DMA:
580 err = ide_diag_taskfile(drive, &args, taskin, inbuf); 580 err = ide_diag_taskfile(drive, &args, taskin, inbuf);
581 break; 581 break;
582 case TASKFILE_MULTI_OUT: 582 case TASKFILE_MULTI_OUT:
583 if (!drive->mult_count) { 583 if (!drive->mult_count) {
584 /* (hs): give up if multcount is not set */ 584 /* (hs): give up if multcount is not set */
585 printk(KERN_ERR "%s: %s Multimode Write " \ 585 printk(KERN_ERR "%s: %s Multimode Write " \
586 "multcount is not set\n", 586 "multcount is not set\n",
587 drive->name, __FUNCTION__); 587 drive->name, __FUNCTION__);
588 err = -EPERM; 588 err = -EPERM;
589 goto abort; 589 goto abort;
590 } 590 }
591 /* fall through */ 591 /* fall through */
592 case TASKFILE_OUT: 592 case TASKFILE_OUT:
593 args.prehandler = &pre_task_out_intr; 593 args.prehandler = &pre_task_out_intr;
594 args.handler = &task_out_intr; 594 args.handler = &task_out_intr;
595 err = ide_diag_taskfile(drive, &args, taskout, outbuf); 595 err = ide_diag_taskfile(drive, &args, taskout, outbuf);
596 break; 596 break;
597 case TASKFILE_MULTI_IN: 597 case TASKFILE_MULTI_IN:
598 if (!drive->mult_count) { 598 if (!drive->mult_count) {
599 /* (hs): give up if multcount is not set */ 599 /* (hs): give up if multcount is not set */
600 printk(KERN_ERR "%s: %s Multimode Read failure " \ 600 printk(KERN_ERR "%s: %s Multimode Read failure " \
601 "multcount is not set\n", 601 "multcount is not set\n",
602 drive->name, __FUNCTION__); 602 drive->name, __FUNCTION__);
603 err = -EPERM; 603 err = -EPERM;
604 goto abort; 604 goto abort;
605 } 605 }
606 /* fall through */ 606 /* fall through */
607 case TASKFILE_IN: 607 case TASKFILE_IN:
608 args.handler = &task_in_intr; 608 args.handler = &task_in_intr;
609 err = ide_diag_taskfile(drive, &args, taskin, inbuf); 609 err = ide_diag_taskfile(drive, &args, taskin, inbuf);
610 break; 610 break;
611 case TASKFILE_NO_DATA: 611 case TASKFILE_NO_DATA:
612 args.handler = &task_no_data_intr; 612 args.handler = &task_no_data_intr;
613 err = ide_diag_taskfile(drive, &args, 0, NULL); 613 err = ide_diag_taskfile(drive, &args, 0, NULL);
614 break; 614 break;
615 default: 615 default:
616 err = -EFAULT; 616 err = -EFAULT;
617 goto abort; 617 goto abort;
618 } 618 }
619 619
620 memcpy(req_task->io_ports, &(args.tfRegister), HDIO_DRIVE_TASK_HDR_SIZE); 620 memcpy(req_task->io_ports, &(args.tfRegister), HDIO_DRIVE_TASK_HDR_SIZE);
621 memcpy(req_task->hob_ports, &(args.hobRegister), HDIO_DRIVE_HOB_HDR_SIZE); 621 memcpy(req_task->hob_ports, &(args.hobRegister), HDIO_DRIVE_HOB_HDR_SIZE);
622 req_task->in_flags = args.tf_in_flags; 622 req_task->in_flags = args.tf_in_flags;
623 req_task->out_flags = args.tf_out_flags; 623 req_task->out_flags = args.tf_out_flags;
624 624
625 if (copy_to_user(buf, req_task, tasksize)) { 625 if (copy_to_user(buf, req_task, tasksize)) {
626 err = -EFAULT; 626 err = -EFAULT;
627 goto abort; 627 goto abort;
628 } 628 }
629 if (taskout) { 629 if (taskout) {
630 int outtotal = tasksize; 630 int outtotal = tasksize;
631 if (copy_to_user(buf + outtotal, outbuf, taskout)) { 631 if (copy_to_user(buf + outtotal, outbuf, taskout)) {
632 err = -EFAULT; 632 err = -EFAULT;
633 goto abort; 633 goto abort;
634 } 634 }
635 } 635 }
636 if (taskin) { 636 if (taskin) {
637 int intotal = tasksize + taskout; 637 int intotal = tasksize + taskout;
638 if (copy_to_user(buf + intotal, inbuf, taskin)) { 638 if (copy_to_user(buf + intotal, inbuf, taskin)) {
639 err = -EFAULT; 639 err = -EFAULT;
640 goto abort; 640 goto abort;
641 } 641 }
642 } 642 }
643 abort: 643 abort:
644 kfree(req_task); 644 kfree(req_task);
645 kfree(outbuf); 645 kfree(outbuf);
646 kfree(inbuf); 646 kfree(inbuf);
647 647
648 // printk("IDE Taskfile ioctl ended. rc = %i\n", err); 648 // printk("IDE Taskfile ioctl ended. rc = %i\n", err);
649 649
650 drive->io_32bit = io_32bit; 650 drive->io_32bit = io_32bit;
651 651
652 return err; 652 return err;
653 } 653 }
654 654
655 int ide_wait_cmd (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf) 655 int ide_wait_cmd (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
656 { 656 {
657 struct request rq; 657 struct request rq;
658 u8 buffer[4]; 658 u8 buffer[4];
659 659
660 if (!buf) 660 if (!buf)
661 buf = buffer; 661 buf = buffer;
662 memset(buf, 0, 4 + SECTOR_WORDS * 4 * sectors); 662 memset(buf, 0, 4 + SECTOR_WORDS * 4 * sectors);
663 ide_init_drive_cmd(&rq); 663 ide_init_drive_cmd(&rq);
664 rq.buffer = buf; 664 rq.buffer = buf;
665 *buf++ = cmd; 665 *buf++ = cmd;
666 *buf++ = nsect; 666 *buf++ = nsect;
667 *buf++ = feature; 667 *buf++ = feature;
668 *buf++ = sectors; 668 *buf++ = sectors;
669 return ide_do_drive_cmd(drive, &rq, ide_wait); 669 return ide_do_drive_cmd(drive, &rq, ide_wait);
670 } 670 }
671 671
672 /* 672 /*
673 * FIXME : this needs to map into at taskfile. <andre@linux-ide.org> 673 * FIXME : this needs to map into at taskfile. <andre@linux-ide.org>
674 */ 674 */
675 int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) 675 int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
676 { 676 {
677 int err = 0; 677 int err = 0;
678 u8 args[4], *argbuf = args; 678 u8 args[4], *argbuf = args;
679 u8 xfer_rate = 0; 679 u8 xfer_rate = 0;
680 int argsize = 4; 680 int argsize = 4;
681 ide_task_t tfargs; 681 ide_task_t tfargs;
682 682
683 if (NULL == (void *) arg) { 683 if (NULL == (void *) arg) {
684 struct request rq; 684 struct request rq;
685 ide_init_drive_cmd(&rq); 685 ide_init_drive_cmd(&rq);
686 return ide_do_drive_cmd(drive, &rq, ide_wait); 686 return ide_do_drive_cmd(drive, &rq, ide_wait);
687 } 687 }
688 688
689 if (copy_from_user(args, (void __user *)arg, 4)) 689 if (copy_from_user(args, (void __user *)arg, 4))
690 return -EFAULT; 690 return -EFAULT;
691 691
692 memset(&tfargs, 0, sizeof(ide_task_t)); 692 memset(&tfargs, 0, sizeof(ide_task_t));
693 tfargs.tfRegister[IDE_FEATURE_OFFSET] = args[2]; 693 tfargs.tfRegister[IDE_FEATURE_OFFSET] = args[2];
694 tfargs.tfRegister[IDE_NSECTOR_OFFSET] = args[3]; 694 tfargs.tfRegister[IDE_NSECTOR_OFFSET] = args[3];
695 tfargs.tfRegister[IDE_SECTOR_OFFSET] = args[1]; 695 tfargs.tfRegister[IDE_SECTOR_OFFSET] = args[1];
696 tfargs.tfRegister[IDE_LCYL_OFFSET] = 0x00; 696 tfargs.tfRegister[IDE_LCYL_OFFSET] = 0x00;
697 tfargs.tfRegister[IDE_HCYL_OFFSET] = 0x00; 697 tfargs.tfRegister[IDE_HCYL_OFFSET] = 0x00;
698 tfargs.tfRegister[IDE_SELECT_OFFSET] = 0x00; 698 tfargs.tfRegister[IDE_SELECT_OFFSET] = 0x00;
699 tfargs.tfRegister[IDE_COMMAND_OFFSET] = args[0]; 699 tfargs.tfRegister[IDE_COMMAND_OFFSET] = args[0];
700 700
701 if (args[3]) { 701 if (args[3]) {
702 argsize = 4 + (SECTOR_WORDS * 4 * args[3]); 702 argsize = 4 + (SECTOR_WORDS * 4 * args[3]);
703 argbuf = kzalloc(argsize, GFP_KERNEL); 703 argbuf = kzalloc(argsize, GFP_KERNEL);
704 if (argbuf == NULL) 704 if (argbuf == NULL)
705 return -ENOMEM; 705 return -ENOMEM;
706 } 706 }
707 if (set_transfer(drive, &tfargs)) { 707 if (set_transfer(drive, &tfargs)) {
708 xfer_rate = args[1]; 708 xfer_rate = args[1];
709 if (ide_ata66_check(drive, &tfargs)) 709 if (ide_ata66_check(drive, &tfargs))
710 goto abort; 710 goto abort;
711 } 711 }
712 712
713 err = ide_wait_cmd(drive, args[0], args[1], args[2], args[3], argbuf); 713 err = ide_wait_cmd(drive, args[0], args[1], args[2], args[3], argbuf);
714 714
715 if (!err && xfer_rate) { 715 if (!err && xfer_rate) {
716 /* active-retuning-calls future */ 716 /* active-retuning-calls future */
717 ide_set_xfer_rate(drive, xfer_rate); 717 ide_set_xfer_rate(drive, xfer_rate);
718 ide_driveid_update(drive); 718 ide_driveid_update(drive);
719 } 719 }
720 abort: 720 abort:
721 if (copy_to_user((void __user *)arg, argbuf, argsize)) 721 if (copy_to_user((void __user *)arg, argbuf, argsize))
722 err = -EFAULT; 722 err = -EFAULT;
723 if (argsize > 4) 723 if (argsize > 4)
724 kfree(argbuf); 724 kfree(argbuf);
725 return err; 725 return err;
726 } 726 }
727 727
728 static int ide_wait_cmd_task(ide_drive_t *drive, u8 *buf) 728 static int ide_wait_cmd_task(ide_drive_t *drive, u8 *buf)
729 { 729 {
730 struct request rq; 730 struct request rq;
731 731
732 ide_init_drive_cmd(&rq); 732 ide_init_drive_cmd(&rq);
733 rq.flags = REQ_DRIVE_TASK; 733 rq.flags = REQ_DRIVE_TASK;
734 rq.buffer = buf; 734 rq.buffer = buf;
735 return ide_do_drive_cmd(drive, &rq, ide_wait); 735 return ide_do_drive_cmd(drive, &rq, ide_wait);
736 } 736 }
737 737
738 /* 738 /*
739 * FIXME : this needs to map into at taskfile. <andre@linux-ide.org> 739 * FIXME : this needs to map into at taskfile. <andre@linux-ide.org>
740 */ 740 */
741 int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) 741 int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
742 { 742 {
743 void __user *p = (void __user *)arg; 743 void __user *p = (void __user *)arg;
744 int err = 0; 744 int err = 0;
745 u8 args[7], *argbuf = args; 745 u8 args[7], *argbuf = args;
746 int argsize = 7; 746 int argsize = 7;
747 747
748 if (copy_from_user(args, p, 7)) 748 if (copy_from_user(args, p, 7))
749 return -EFAULT; 749 return -EFAULT;
750 err = ide_wait_cmd_task(drive, argbuf); 750 err = ide_wait_cmd_task(drive, argbuf);
751 if (copy_to_user(p, argbuf, argsize)) 751 if (copy_to_user(p, argbuf, argsize))
752 err = -EFAULT; 752 err = -EFAULT;
753 return err; 753 return err;
754 } 754 }
755 755
756 /* 756 /*
757 * NOTICE: This is additions from IBM to provide a discrete interface, 757 * NOTICE: This is additions from IBM to provide a discrete interface,
758 * for selective taskregister access operations. Nice JOB Klaus!!! 758 * for selective taskregister access operations. Nice JOB Klaus!!!
759 * Glad to be able to work and co-develop this with you and IBM. 759 * Glad to be able to work and co-develop this with you and IBM.
760 */ 760 */
761 ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task) 761 ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
762 { 762 {
763 ide_hwif_t *hwif = HWIF(drive); 763 ide_hwif_t *hwif = HWIF(drive);
764 task_struct_t *taskfile = (task_struct_t *) task->tfRegister; 764 task_struct_t *taskfile = (task_struct_t *) task->tfRegister;
765 hob_struct_t *hobfile = (hob_struct_t *) task->hobRegister; 765 hob_struct_t *hobfile = (hob_struct_t *) task->hobRegister;
766 766
767 if (task->data_phase == TASKFILE_MULTI_IN || 767 if (task->data_phase == TASKFILE_MULTI_IN ||
768 task->data_phase == TASKFILE_MULTI_OUT) { 768 task->data_phase == TASKFILE_MULTI_OUT) {
769 if (!drive->mult_count) { 769 if (!drive->mult_count) {
770 printk(KERN_ERR "%s: multimode not set!\n", drive->name); 770 printk(KERN_ERR "%s: multimode not set!\n", drive->name);
771 return ide_stopped; 771 return ide_stopped;
772 } 772 }
773 } 773 }
774 774
775 /* 775 /*
776 * (ks) Check taskfile in/out flags. 776 * (ks) Check taskfile in flags.
777 * If set, then execute as it is defined. 777 * If set, then execute as it is defined.
778 * If not set, then define default settings. 778 * If not set, then define default settings.
779 * The default values are: 779 * The default values are:
780 * write and read all taskfile registers (except data) 780 * read all taskfile registers (except data)
781 * write and read the hob registers (sector,nsector,lcyl,hcyl) 781 * read the hob registers (sector, nsector, lcyl, hcyl)
782 */ 782 */
783 if (task->tf_out_flags.all == 0) {
784 task->tf_out_flags.all = IDE_TASKFILE_STD_OUT_FLAGS;
785 if (drive->addressing == 1)
786 task->tf_out_flags.all |= (IDE_HOB_STD_OUT_FLAGS << 8);
787 }
788
789 if (task->tf_in_flags.all == 0) { 783 if (task->tf_in_flags.all == 0) {
790 task->tf_in_flags.all = IDE_TASKFILE_STD_IN_FLAGS; 784 task->tf_in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
791 if (drive->addressing == 1) 785 if (drive->addressing == 1)
792 task->tf_in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8); 786 task->tf_in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8);
793 } 787 }
794 788
795 /* ALL Command Block Executions SHALL clear nIEN, unless otherwise */ 789 /* ALL Command Block Executions SHALL clear nIEN, unless otherwise */
796 if (IDE_CONTROL_REG) 790 if (IDE_CONTROL_REG)
797 /* clear nIEN */ 791 /* clear nIEN */
798 hwif->OUTB(drive->ctl, IDE_CONTROL_REG); 792 hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
799 SELECT_MASK(drive, 0); 793 SELECT_MASK(drive, 0);
800 794
801 if (task->tf_out_flags.b.data) { 795 if (task->tf_out_flags.b.data) {
802 u16 data = taskfile->data + (hobfile->data << 8); 796 u16 data = taskfile->data + (hobfile->data << 8);
803 hwif->OUTW(data, IDE_DATA_REG); 797 hwif->OUTW(data, IDE_DATA_REG);
804 } 798 }
805 799
806 /* (ks) send hob registers first */ 800 /* (ks) send hob registers first */
807 if (task->tf_out_flags.b.nsector_hob) 801 if (task->tf_out_flags.b.nsector_hob)
808 hwif->OUTB(hobfile->sector_count, IDE_NSECTOR_REG); 802 hwif->OUTB(hobfile->sector_count, IDE_NSECTOR_REG);
809 if (task->tf_out_flags.b.sector_hob) 803 if (task->tf_out_flags.b.sector_hob)
810 hwif->OUTB(hobfile->sector_number, IDE_SECTOR_REG); 804 hwif->OUTB(hobfile->sector_number, IDE_SECTOR_REG);
811 if (task->tf_out_flags.b.lcyl_hob) 805 if (task->tf_out_flags.b.lcyl_hob)
812 hwif->OUTB(hobfile->low_cylinder, IDE_LCYL_REG); 806 hwif->OUTB(hobfile->low_cylinder, IDE_LCYL_REG);
813 if (task->tf_out_flags.b.hcyl_hob) 807 if (task->tf_out_flags.b.hcyl_hob)
814 hwif->OUTB(hobfile->high_cylinder, IDE_HCYL_REG); 808 hwif->OUTB(hobfile->high_cylinder, IDE_HCYL_REG);
815 809
816 /* (ks) Send now the standard registers */ 810 /* (ks) Send now the standard registers */
817 if (task->tf_out_flags.b.error_feature) 811 if (task->tf_out_flags.b.error_feature)
818 hwif->OUTB(taskfile->feature, IDE_FEATURE_REG); 812 hwif->OUTB(taskfile->feature, IDE_FEATURE_REG);
819 /* refers to number of sectors to transfer */ 813 /* refers to number of sectors to transfer */
820 if (task->tf_out_flags.b.nsector) 814 if (task->tf_out_flags.b.nsector)
821 hwif->OUTB(taskfile->sector_count, IDE_NSECTOR_REG); 815 hwif->OUTB(taskfile->sector_count, IDE_NSECTOR_REG);
822 /* refers to sector offset or start sector */ 816 /* refers to sector offset or start sector */
823 if (task->tf_out_flags.b.sector) 817 if (task->tf_out_flags.b.sector)
824 hwif->OUTB(taskfile->sector_number, IDE_SECTOR_REG); 818 hwif->OUTB(taskfile->sector_number, IDE_SECTOR_REG);
825 if (task->tf_out_flags.b.lcyl) 819 if (task->tf_out_flags.b.lcyl)
826 hwif->OUTB(taskfile->low_cylinder, IDE_LCYL_REG); 820 hwif->OUTB(taskfile->low_cylinder, IDE_LCYL_REG);
827 if (task->tf_out_flags.b.hcyl) 821 if (task->tf_out_flags.b.hcyl)
828 hwif->OUTB(taskfile->high_cylinder, IDE_HCYL_REG); 822 hwif->OUTB(taskfile->high_cylinder, IDE_HCYL_REG);
829 823
830 /* 824 /*
831 * (ks) In the flagged taskfile approch, we will use all specified 825 * (ks) In the flagged taskfile approch, we will use all specified
832 * registers and the register value will not be changed, except the 826 * registers and the register value will not be changed, except the
833 * select bit (master/slave) in the drive_head register. We must make 827 * select bit (master/slave) in the drive_head register. We must make
834 * sure that the desired drive is selected. 828 * sure that the desired drive is selected.
835 */ 829 */
836 hwif->OUTB(taskfile->device_head | drive->select.all, IDE_SELECT_REG); 830 hwif->OUTB(taskfile->device_head | drive->select.all, IDE_SELECT_REG);
837 switch(task->data_phase) { 831 switch(task->data_phase) {
838 832
839 case TASKFILE_OUT_DMAQ: 833 case TASKFILE_OUT_DMAQ:
840 case TASKFILE_OUT_DMA: 834 case TASKFILE_OUT_DMA:
841 case TASKFILE_IN_DMAQ: 835 case TASKFILE_IN_DMAQ:
842 case TASKFILE_IN_DMA: 836 case TASKFILE_IN_DMA:
843 hwif->dma_setup(drive); 837 hwif->dma_setup(drive);
844 hwif->dma_exec_cmd(drive, taskfile->command); 838 hwif->dma_exec_cmd(drive, taskfile->command);
845 hwif->dma_start(drive); 839 hwif->dma_start(drive);
846 break; 840 break;
847 841
848 default: 842 default:
849 if (task->handler == NULL) 843 if (task->handler == NULL)
850 return ide_stopped; 844 return ide_stopped;
851 845
852 /* Issue the command */ 846 /* Issue the command */
853 if (task->prehandler) { 847 if (task->prehandler) {
854 hwif->OUTBSYNC(drive, taskfile->command, IDE_COMMAND_REG); 848 hwif->OUTBSYNC(drive, taskfile->command, IDE_COMMAND_REG);
855 ndelay(400); /* FIXME */ 849 ndelay(400); /* FIXME */
856 return task->prehandler(drive, task->rq); 850 return task->prehandler(drive, task->rq);
857 } 851 }
858 ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL); 852 ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL);
859 } 853 }
860 854
861 return ide_started; 855 return ide_started;
862 } 856 }
863 857
include/linux/hdreg.h
Diff comments   View file @ e07bc70
1 #ifndef _LINUX_HDREG_H 1 #ifndef _LINUX_HDREG_H
2 #define _LINUX_HDREG_H 2 #define _LINUX_HDREG_H
3 3
4 #ifdef __KERNEL__ 4 #ifdef __KERNEL__
5 #include <linux/ata.h> 5 #include <linux/ata.h>
6 6
7 /* 7 /*
8 * This file contains some defines for the AT-hd-controller. 8 * This file contains some defines for the AT-hd-controller.
9 * Various sources. 9 * Various sources.
10 */ 10 */
11 11
12 /* ide.c has its own port definitions in "ide.h" */ 12 /* ide.c has its own port definitions in "ide.h" */
13 13
14 #define HD_IRQ 14 14 #define HD_IRQ 14
15 15
16 /* Hd controller regs. Ref: IBM AT Bios-listing */ 16 /* Hd controller regs. Ref: IBM AT Bios-listing */
17 #define HD_DATA 0x1f0 /* _CTL when writing */ 17 #define HD_DATA 0x1f0 /* _CTL when writing */
18 #define HD_ERROR 0x1f1 /* see err-bits */ 18 #define HD_ERROR 0x1f1 /* see err-bits */
19 #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ 19 #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
20 #define HD_SECTOR 0x1f3 /* starting sector */ 20 #define HD_SECTOR 0x1f3 /* starting sector */
21 #define HD_LCYL 0x1f4 /* starting cylinder */ 21 #define HD_LCYL 0x1f4 /* starting cylinder */
22 #define HD_HCYL 0x1f5 /* high byte of starting cyl */ 22 #define HD_HCYL 0x1f5 /* high byte of starting cyl */
23 #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ 23 #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
24 #define HD_STATUS 0x1f7 /* see status-bits */ 24 #define HD_STATUS 0x1f7 /* see status-bits */
25 #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ 25 #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
26 #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ 26 #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
27 #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ 27 #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
28 28
29 #define HD_CMD 0x3f6 /* used for resets */ 29 #define HD_CMD 0x3f6 /* used for resets */
30 #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ 30 #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
31 31
32 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */ 32 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
33 33
34 /* Bits of HD_STATUS */ 34 /* Bits of HD_STATUS */
35 #define ERR_STAT 0x01 35 #define ERR_STAT 0x01
36 #define INDEX_STAT 0x02 36 #define INDEX_STAT 0x02
37 #define ECC_STAT 0x04 /* Corrected error */ 37 #define ECC_STAT 0x04 /* Corrected error */
38 #define DRQ_STAT 0x08 38 #define DRQ_STAT 0x08
39 #define SEEK_STAT 0x10 39 #define SEEK_STAT 0x10
40 #define SRV_STAT 0x10 40 #define SRV_STAT 0x10
41 #define WRERR_STAT 0x20 41 #define WRERR_STAT 0x20
42 #define READY_STAT 0x40 42 #define READY_STAT 0x40
43 #define BUSY_STAT 0x80 43 #define BUSY_STAT 0x80
44 44
45 /* Bits for HD_ERROR */ 45 /* Bits for HD_ERROR */
46 #define MARK_ERR 0x01 /* Bad address mark */ 46 #define MARK_ERR 0x01 /* Bad address mark */
47 #define TRK0_ERR 0x02 /* couldn't find track 0 */ 47 #define TRK0_ERR 0x02 /* couldn't find track 0 */
48 #define ABRT_ERR 0x04 /* Command aborted */ 48 #define ABRT_ERR 0x04 /* Command aborted */
49 #define MCR_ERR 0x08 /* media change request */ 49 #define MCR_ERR 0x08 /* media change request */
50 #define ID_ERR 0x10 /* ID field not found */ 50 #define ID_ERR 0x10 /* ID field not found */
51 #define MC_ERR 0x20 /* media changed */ 51 #define MC_ERR 0x20 /* media changed */
52 #define ECC_ERR 0x40 /* Uncorrectable ECC error */ 52 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
53 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ 53 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
54 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ 54 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
55 55
56 /* Bits of HD_NSECTOR */ 56 /* Bits of HD_NSECTOR */
57 #define CD 0x01 57 #define CD 0x01
58 #define IO 0x02 58 #define IO 0x02
59 #define REL 0x04 59 #define REL 0x04
60 #define TAG_MASK 0xf8 60 #define TAG_MASK 0xf8
61 #endif /* __KERNEL__ */ 61 #endif /* __KERNEL__ */
62 62
63 /* 63 /*
64 * Command Header sizes for IOCTL commands 64 * Command Header sizes for IOCTL commands
65 */ 65 */
66 66
67 #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8)) 67 #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8))
68 #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8)) 68 #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8))
69 #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8)) 69 #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8))
70 70
71 #define IDE_DRIVE_TASK_INVALID -1 71 #define IDE_DRIVE_TASK_INVALID -1
72 #define IDE_DRIVE_TASK_NO_DATA 0 72 #define IDE_DRIVE_TASK_NO_DATA 0
73 #define IDE_DRIVE_TASK_SET_XFER 1 73 #define IDE_DRIVE_TASK_SET_XFER 1
74 74
75 #define IDE_DRIVE_TASK_IN 2 75 #define IDE_DRIVE_TASK_IN 2
76 76
77 #define IDE_DRIVE_TASK_OUT 3 77 #define IDE_DRIVE_TASK_OUT 3
78 #define IDE_DRIVE_TASK_RAW_WRITE 4 78 #define IDE_DRIVE_TASK_RAW_WRITE 4
79 79
80 /* 80 /*
81 * Define standard taskfile in/out register 81 * Define standard taskfile in/out register
82 */ 82 */
83 #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
84 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE 83 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
85 #define IDE_HOB_STD_OUT_FLAGS 0x3C
86 #define IDE_HOB_STD_IN_FLAGS 0x3C 84 #define IDE_HOB_STD_IN_FLAGS 0x3C
85 #ifndef __KERNEL__
86 #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
87 #define IDE_HOB_STD_OUT_FLAGS 0x3C
88 #endif
87 89
88 typedef unsigned char task_ioreg_t; 90 typedef unsigned char task_ioreg_t;
89 typedef unsigned long sata_ioreg_t; 91 typedef unsigned long sata_ioreg_t;
90 92
91 typedef union ide_reg_valid_s { 93 typedef union ide_reg_valid_s {
92 unsigned all : 16; 94 unsigned all : 16;
93 struct { 95 struct {
94 unsigned data : 1; 96 unsigned data : 1;
95 unsigned error_feature : 1; 97 unsigned error_feature : 1;
96 unsigned sector : 1; 98 unsigned sector : 1;
97 unsigned nsector : 1; 99 unsigned nsector : 1;
98 unsigned lcyl : 1; 100 unsigned lcyl : 1;
99 unsigned hcyl : 1; 101 unsigned hcyl : 1;
100 unsigned select : 1; 102 unsigned select : 1;
101 unsigned status_command : 1; 103 unsigned status_command : 1;
102 104
103 unsigned data_hob : 1; 105 unsigned data_hob : 1;
104 unsigned error_feature_hob : 1; 106 unsigned error_feature_hob : 1;
105 unsigned sector_hob : 1; 107 unsigned sector_hob : 1;
106 unsigned nsector_hob : 1; 108 unsigned nsector_hob : 1;
107 unsigned lcyl_hob : 1; 109 unsigned lcyl_hob : 1;
108 unsigned hcyl_hob : 1; 110 unsigned hcyl_hob : 1;
109 unsigned select_hob : 1; 111 unsigned select_hob : 1;
110 unsigned control_hob : 1; 112 unsigned control_hob : 1;
111 } b; 113 } b;
112 } ide_reg_valid_t; 114 } ide_reg_valid_t;
113 115
114 typedef struct ide_task_request_s { 116 typedef struct ide_task_request_s {
115 task_ioreg_t io_ports[8]; 117 task_ioreg_t io_ports[8];
116 task_ioreg_t hob_ports[8]; 118 task_ioreg_t hob_ports[8];
117 ide_reg_valid_t out_flags; 119 ide_reg_valid_t out_flags;
118 ide_reg_valid_t in_flags; 120 ide_reg_valid_t in_flags;
119 int data_phase; 121 int data_phase;
120 int req_cmd; 122 int req_cmd;
121 unsigned long out_size; 123 unsigned long out_size;
122 unsigned long in_size; 124 unsigned long in_size;
123 } ide_task_request_t; 125 } ide_task_request_t;
124 126
125 typedef struct ide_ioctl_request_s { 127 typedef struct ide_ioctl_request_s {
126 ide_task_request_t *task_request; 128 ide_task_request_t *task_request;
127 unsigned char *out_buffer; 129 unsigned char *out_buffer;
128 unsigned char *in_buffer; 130 unsigned char *in_buffer;
129 } ide_ioctl_request_t; 131 } ide_ioctl_request_t;
130 132
131 struct hd_drive_cmd_hdr { 133 struct hd_drive_cmd_hdr {
132 task_ioreg_t command; 134 task_ioreg_t command;
133 task_ioreg_t sector_number; 135 task_ioreg_t sector_number;
134 task_ioreg_t feature; 136 task_ioreg_t feature;
135 task_ioreg_t sector_count; 137 task_ioreg_t sector_count;
136 }; 138 };
137 139
138 typedef struct hd_drive_task_hdr { 140 typedef struct hd_drive_task_hdr {
139 task_ioreg_t data; 141 task_ioreg_t data;
140 task_ioreg_t feature; 142 task_ioreg_t feature;
141 task_ioreg_t sector_count; 143 task_ioreg_t sector_count;
142 task_ioreg_t sector_number; 144 task_ioreg_t sector_number;
143 task_ioreg_t low_cylinder; 145 task_ioreg_t low_cylinder;
144 task_ioreg_t high_cylinder; 146 task_ioreg_t high_cylinder;
145 task_ioreg_t device_head; 147 task_ioreg_t device_head;
146 task_ioreg_t command; 148 task_ioreg_t command;
147 } task_struct_t; 149 } task_struct_t;
148 150
149 typedef struct hd_drive_hob_hdr { 151 typedef struct hd_drive_hob_hdr {
150 task_ioreg_t data; 152 task_ioreg_t data;
151 task_ioreg_t feature; 153 task_ioreg_t feature;
152 task_ioreg_t sector_count; 154 task_ioreg_t sector_count;
153 task_ioreg_t sector_number; 155 task_ioreg_t sector_number;
154 task_ioreg_t low_cylinder; 156 task_ioreg_t low_cylinder;
155 task_ioreg_t high_cylinder; 157 task_ioreg_t high_cylinder;
156 task_ioreg_t device_head; 158 task_ioreg_t device_head;
157 task_ioreg_t control; 159 task_ioreg_t control;
158 } hob_struct_t; 160 } hob_struct_t;
159 161
160 #define TASKFILE_INVALID 0x7fff 162 #define TASKFILE_INVALID 0x7fff
161 #define TASKFILE_48 0x8000 163 #define TASKFILE_48 0x8000
162 164
163 #define TASKFILE_NO_DATA 0x0000 165 #define TASKFILE_NO_DATA 0x0000
164 166
165 #define TASKFILE_IN 0x0001 167 #define TASKFILE_IN 0x0001
166 #define TASKFILE_MULTI_IN 0x0002 168 #define TASKFILE_MULTI_IN 0x0002
167 169
168 #define TASKFILE_OUT 0x0004 170 #define TASKFILE_OUT 0x0004
169 #define TASKFILE_MULTI_OUT 0x0008 171 #define TASKFILE_MULTI_OUT 0x0008
170 #define TASKFILE_IN_OUT 0x0010 172 #define TASKFILE_IN_OUT 0x0010
171 173
172 #define TASKFILE_IN_DMA 0x0020 174 #define TASKFILE_IN_DMA 0x0020
173 #define TASKFILE_OUT_DMA 0x0040 175 #define TASKFILE_OUT_DMA 0x0040
174 #define TASKFILE_IN_DMAQ 0x0080 176 #define TASKFILE_IN_DMAQ 0x0080
175 #define TASKFILE_OUT_DMAQ 0x0100 177 #define TASKFILE_OUT_DMAQ 0x0100
176 178
177 #define TASKFILE_P_IN 0x0200 179 #define TASKFILE_P_IN 0x0200
178 #define TASKFILE_P_OUT 0x0400 180 #define TASKFILE_P_OUT 0x0400
179 #define TASKFILE_P_IN_DMA 0x0800 181 #define TASKFILE_P_IN_DMA 0x0800
180 #define TASKFILE_P_OUT_DMA 0x1000 182 #define TASKFILE_P_OUT_DMA 0x1000
181 #define TASKFILE_P_IN_DMAQ 0x2000 183 #define TASKFILE_P_IN_DMAQ 0x2000
182 #define TASKFILE_P_OUT_DMAQ 0x4000 184 #define TASKFILE_P_OUT_DMAQ 0x4000
183 185
184 /* ATA/ATAPI Commands pre T13 Spec */ 186 /* ATA/ATAPI Commands pre T13 Spec */
185 #define WIN_NOP 0x00 187 #define WIN_NOP 0x00
186 /* 188 /*
187 * 0x01->0x02 Reserved 189 * 0x01->0x02 Reserved
188 */ 190 */
189 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ 191 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
190 /* 192 /*
191 * 0x04->0x07 Reserved 193 * 0x04->0x07 Reserved
192 */ 194 */
193 #define WIN_SRST 0x08 /* ATAPI soft reset command */ 195 #define WIN_SRST 0x08 /* ATAPI soft reset command */
194 #define WIN_DEVICE_RESET 0x08 196 #define WIN_DEVICE_RESET 0x08
195 /* 197 /*
196 * 0x09->0x0F Reserved 198 * 0x09->0x0F Reserved
197 */ 199 */
198 #define WIN_RECAL 0x10 200 #define WIN_RECAL 0x10
199 #define WIN_RESTORE WIN_RECAL 201 #define WIN_RESTORE WIN_RECAL
200 /* 202 /*
201 * 0x10->0x1F Reserved 203 * 0x10->0x1F Reserved
202 */ 204 */
203 #define WIN_READ 0x20 /* 28-Bit */ 205 #define WIN_READ 0x20 /* 28-Bit */
204 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ 206 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
205 #define WIN_READ_LONG 0x22 /* 28-Bit */ 207 #define WIN_READ_LONG 0x22 /* 28-Bit */
206 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ 208 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
207 #define WIN_READ_EXT 0x24 /* 48-Bit */ 209 #define WIN_READ_EXT 0x24 /* 48-Bit */
208 #define WIN_READDMA_EXT 0x25 /* 48-Bit */ 210 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
209 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ 211 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
210 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ 212 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
211 /* 213 /*
212 * 0x28 214 * 0x28
213 */ 215 */
214 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ 216 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
215 /* 217 /*
216 * 0x2A->0x2F Reserved 218 * 0x2A->0x2F Reserved
217 */ 219 */
218 #define WIN_WRITE 0x30 /* 28-Bit */ 220 #define WIN_WRITE 0x30 /* 28-Bit */
219 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ 221 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
220 #define WIN_WRITE_LONG 0x32 /* 28-Bit */ 222 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
221 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ 223 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
222 #define WIN_WRITE_EXT 0x34 /* 48-Bit */ 224 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
223 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ 225 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
224 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ 226 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
225 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ 227 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
226 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ 228 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
227 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ 229 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
228 /* 230 /*
229 * 0x3A->0x3B Reserved 231 * 0x3A->0x3B Reserved
230 */ 232 */
231 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ 233 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
232 /* 234 /*
233 * 0x3D->0x3F Reserved 235 * 0x3D->0x3F Reserved
234 */ 236 */
235 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ 237 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
236 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ 238 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
237 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ 239 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
238 /* 240 /*
239 * 0x43->0x4F Reserved 241 * 0x43->0x4F Reserved
240 */ 242 */
241 #define WIN_FORMAT 0x50 243 #define WIN_FORMAT 0x50
242 /* 244 /*
243 * 0x51->0x5F Reserved 245 * 0x51->0x5F Reserved
244 */ 246 */
245 #define WIN_INIT 0x60 247 #define WIN_INIT 0x60
246 /* 248 /*
247 * 0x61->0x5F Reserved 249 * 0x61->0x5F Reserved
248 */ 250 */
249 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ 251 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
250 252
251 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ 253 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
252 #define WIN_DIAGNOSE 0x90 254 #define WIN_DIAGNOSE 0x90
253 #define WIN_SPECIFY 0x91 /* set drive geometry translation */ 255 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
254 #define WIN_DOWNLOAD_MICROCODE 0x92 256 #define WIN_DOWNLOAD_MICROCODE 0x92
255 #define WIN_STANDBYNOW2 0x94 257 #define WIN_STANDBYNOW2 0x94
256 #define WIN_STANDBY2 0x96 258 #define WIN_STANDBY2 0x96
257 #define WIN_SETIDLE2 0x97 259 #define WIN_SETIDLE2 0x97
258 #define WIN_CHECKPOWERMODE2 0x98 260 #define WIN_CHECKPOWERMODE2 0x98
259 #define WIN_SLEEPNOW2 0x99 261 #define WIN_SLEEPNOW2 0x99
260 /* 262 /*
261 * 0x9A VENDOR 263 * 0x9A VENDOR
262 */ 264 */
263 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ 265 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
264 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ 266 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
265 #define WIN_QUEUED_SERVICE 0xA2 267 #define WIN_QUEUED_SERVICE 0xA2
266 #define WIN_SMART 0xB0 /* self-monitoring and reporting */ 268 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
267 #define CFA_ERASE_SECTORS 0xC0 269 #define CFA_ERASE_SECTORS 0xC0
268 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ 270 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
269 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ 271 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
270 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ 272 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
271 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ 273 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
272 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ 274 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
273 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ 275 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
274 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ 276 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
275 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ 277 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
276 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ 278 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
277 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ 279 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
278 #define WIN_GETMEDIASTATUS 0xDA 280 #define WIN_GETMEDIASTATUS 0xDA
279 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ 281 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
280 #define WIN_POSTBOOT 0xDC 282 #define WIN_POSTBOOT 0xDC
281 #define WIN_PREBOOT 0xDD 283 #define WIN_PREBOOT 0xDD
282 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */ 284 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
283 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ 285 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
284 #define WIN_STANDBYNOW1 0xE0 286 #define WIN_STANDBYNOW1 0xE0
285 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ 287 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
286 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ 288 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
287 #define WIN_SETIDLE1 0xE3 289 #define WIN_SETIDLE1 0xE3
288 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ 290 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
289 #define WIN_CHECKPOWERMODE1 0xE5 291 #define WIN_CHECKPOWERMODE1 0xE5
290 #define WIN_SLEEPNOW1 0xE6 292 #define WIN_SLEEPNOW1 0xE6
291 #define WIN_FLUSH_CACHE 0xE7 293 #define WIN_FLUSH_CACHE 0xE7
292 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ 294 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
293 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ 295 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
294 /* SET_FEATURES 0x22 or 0xDD */ 296 /* SET_FEATURES 0x22 or 0xDD */
295 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ 297 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
296 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ 298 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
297 #define WIN_MEDIAEJECT 0xED 299 #define WIN_MEDIAEJECT 0xED
298 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ 300 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
299 #define WIN_SETFEATURES 0xEF /* set special drive features */ 301 #define WIN_SETFEATURES 0xEF /* set special drive features */
300 #define EXABYTE_ENABLE_NEST 0xF0 302 #define EXABYTE_ENABLE_NEST 0xF0
301 #define WIN_SECURITY_SET_PASS 0xF1 303 #define WIN_SECURITY_SET_PASS 0xF1
302 #define WIN_SECURITY_UNLOCK 0xF2 304 #define WIN_SECURITY_UNLOCK 0xF2
303 #define WIN_SECURITY_ERASE_PREPARE 0xF3 305 #define WIN_SECURITY_ERASE_PREPARE 0xF3
304 #define WIN_SECURITY_ERASE_UNIT 0xF4 306 #define WIN_SECURITY_ERASE_UNIT 0xF4
305 #define WIN_SECURITY_FREEZE_LOCK 0xF5 307 #define WIN_SECURITY_FREEZE_LOCK 0xF5
306 #define WIN_SECURITY_DISABLE 0xF6 308 #define WIN_SECURITY_DISABLE 0xF6
307 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ 309 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
308 #define WIN_SET_MAX 0xF9 310 #define WIN_SET_MAX 0xF9
309 #define DISABLE_SEAGATE 0xFB 311 #define DISABLE_SEAGATE 0xFB
310 312
311 /* WIN_SMART sub-commands */ 313 /* WIN_SMART sub-commands */
312 314
313 #define SMART_READ_VALUES 0xD0 315 #define SMART_READ_VALUES 0xD0
314 #define SMART_READ_THRESHOLDS 0xD1 316 #define SMART_READ_THRESHOLDS 0xD1
315 #define SMART_AUTOSAVE 0xD2 317 #define SMART_AUTOSAVE 0xD2
316 #define SMART_SAVE 0xD3 318 #define SMART_SAVE 0xD3
317 #define SMART_IMMEDIATE_OFFLINE 0xD4 319 #define SMART_IMMEDIATE_OFFLINE 0xD4
318 #define SMART_READ_LOG_SECTOR 0xD5 320 #define SMART_READ_LOG_SECTOR 0xD5
319 #define SMART_WRITE_LOG_SECTOR 0xD6 321 #define SMART_WRITE_LOG_SECTOR 0xD6
320 #define SMART_WRITE_THRESHOLDS 0xD7 322 #define SMART_WRITE_THRESHOLDS 0xD7
321 #define SMART_ENABLE 0xD8 323 #define SMART_ENABLE 0xD8
322 #define SMART_DISABLE 0xD9 324 #define SMART_DISABLE 0xD9
323 #define SMART_STATUS 0xDA 325 #define SMART_STATUS 0xDA
324 #define SMART_AUTO_OFFLINE 0xDB 326 #define SMART_AUTO_OFFLINE 0xDB
325 327
326 /* Password used in TF4 & TF5 executing SMART commands */ 328 /* Password used in TF4 & TF5 executing SMART commands */
327 329
328 #define SMART_LCYL_PASS 0x4F 330 #define SMART_LCYL_PASS 0x4F
329 #define SMART_HCYL_PASS 0xC2 331 #define SMART_HCYL_PASS 0xC2
330 332
331 /* WIN_SETFEATURES sub-commands */ 333 /* WIN_SETFEATURES sub-commands */
332 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */ 334 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
333 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */ 335 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
334 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */ 336 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
335 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */ 337 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
336 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */ 338 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
337 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */ 339 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
338 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */ 340 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
339 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */ 341 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
340 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */ 342 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
341 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */ 343 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
342 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */ 344 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
343 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */ 345 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
344 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */ 346 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
345 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */ 347 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
346 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */ 348 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
347 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */ 349 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
348 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */ 350 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
349 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */ 351 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
350 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */ 352 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
351 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */ 353 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
352 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */ 354 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
353 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */ 355 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
354 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ 356 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
355 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ 357 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
356 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */ 358 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
357 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */ 359 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
358 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */ 360 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
359 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ 361 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
360 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */ 362 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
361 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */ 363 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
362 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */ 364 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
363 365
364 /* WIN_SECURITY sub-commands */ 366 /* WIN_SECURITY sub-commands */
365 367
366 #define SECURITY_SET_PASSWORD 0xBA 368 #define SECURITY_SET_PASSWORD 0xBA
367 #define SECURITY_UNLOCK 0xBB 369 #define SECURITY_UNLOCK 0xBB
368 #define SECURITY_ERASE_PREPARE 0xBC 370 #define SECURITY_ERASE_PREPARE 0xBC
369 #define SECURITY_ERASE_UNIT 0xBD 371 #define SECURITY_ERASE_UNIT 0xBD
370 #define SECURITY_FREEZE_LOCK 0xBE 372 #define SECURITY_FREEZE_LOCK 0xBE
371 #define SECURITY_DISABLE_PASSWORD 0xBF 373 #define SECURITY_DISABLE_PASSWORD 0xBF
372 374
373 struct hd_geometry { 375 struct hd_geometry {
374 unsigned char heads; 376 unsigned char heads;
375 unsigned char sectors; 377 unsigned char sectors;
376 unsigned short cylinders; 378 unsigned short cylinders;
377 unsigned long start; 379 unsigned long start;
378 }; 380 };
379 381
380 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ 382 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
381 #define HDIO_GETGEO 0x0301 /* get device geometry */ 383 #define HDIO_GETGEO 0x0301 /* get device geometry */
382 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ 384 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
383 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ 385 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
384 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */ 386 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
385 387
386 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */ 388 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
387 389
388 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ 390 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
389 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ 391 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
390 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ 392 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
391 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ 393 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
392 #define HDIO_GET_DMA 0x030b /* get use-dma flag */ 394 #define HDIO_GET_DMA 0x030b /* get use-dma flag */
393 #define HDIO_GET_NICE 0x030c /* get nice flags */ 395 #define HDIO_GET_NICE 0x030c /* get nice flags */
394 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ 396 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
395 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */ 397 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
396 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */ 398 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
397 #define HDIO_GET_ADDRESS 0x0310 /* */ 399 #define HDIO_GET_ADDRESS 0x0310 /* */
398 400
399 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */ 401 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
400 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */ 402 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
401 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */ 403 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
402 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */ 404 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
403 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */ 405 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
404 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ 406 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
405 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK 407 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
406 408
407 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ 409 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
408 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ 410 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
409 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ 411 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
410 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ 412 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
411 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ 413 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
412 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ 414 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
413 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */ 415 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
414 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ 416 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
415 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */ 417 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
416 #define HDIO_SET_NICE 0x0329 /* set nice flags */ 418 #define HDIO_SET_NICE 0x0329 /* set nice flags */
417 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */ 419 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
418 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */ 420 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
419 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */ 421 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
420 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */ 422 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
421 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */ 423 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
422 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */ 424 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
423 425
424 /* bus states */ 426 /* bus states */
425 enum { 427 enum {
426 BUSSTATE_OFF = 0, 428 BUSSTATE_OFF = 0,
427 BUSSTATE_ON, 429 BUSSTATE_ON,
428 BUSSTATE_TRISTATE 430 BUSSTATE_TRISTATE
429 }; 431 };
430 432
431 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */ 433 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
432 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */ 434 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
433 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */ 435 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
434 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */ 436 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
435 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */ 437 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
436 438
437 #define __NEW_HD_DRIVE_ID 439 #define __NEW_HD_DRIVE_ID
438 440
439 /* 441 /*
440 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec. 442 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
441 * 443 *
442 * If you change something here, please remember to update fix_driveid() in 444 * If you change something here, please remember to update fix_driveid() in
443 * ide/probe.c. 445 * ide/probe.c.
444 */ 446 */
445 struct hd_driveid { 447 struct hd_driveid {
446 unsigned short config; /* lots of obsolete bit flags */ 448 unsigned short config; /* lots of obsolete bit flags */
447 unsigned short cyls; /* Obsolete, "physical" cyls */ 449 unsigned short cyls; /* Obsolete, "physical" cyls */
448 unsigned short reserved2; /* reserved (word 2) */ 450 unsigned short reserved2; /* reserved (word 2) */
449 unsigned short heads; /* Obsolete, "physical" heads */ 451 unsigned short heads; /* Obsolete, "physical" heads */
450 unsigned short track_bytes; /* unformatted bytes per track */ 452 unsigned short track_bytes; /* unformatted bytes per track */
451 unsigned short sector_bytes; /* unformatted bytes per sector */ 453 unsigned short sector_bytes; /* unformatted bytes per sector */
452 unsigned short sectors; /* Obsolete, "physical" sectors per track */ 454 unsigned short sectors; /* Obsolete, "physical" sectors per track */
453 unsigned short vendor0; /* vendor unique */ 455 unsigned short vendor0; /* vendor unique */
454 unsigned short vendor1; /* vendor unique */ 456 unsigned short vendor1; /* vendor unique */
455 unsigned short vendor2; /* Retired vendor unique */ 457 unsigned short vendor2; /* Retired vendor unique */
456 unsigned char serial_no[20]; /* 0 = not_specified */ 458 unsigned char serial_no[20]; /* 0 = not_specified */
457 unsigned short buf_type; /* Retired */ 459 unsigned short buf_type; /* Retired */
458 unsigned short buf_size; /* Retired, 512 byte increments 460 unsigned short buf_size; /* Retired, 512 byte increments
459 * 0 = not_specified 461 * 0 = not_specified
460 */ 462 */
461 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ 463 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
462 unsigned char fw_rev[8]; /* 0 = not_specified */ 464 unsigned char fw_rev[8]; /* 0 = not_specified */
463 unsigned char model[40]; /* 0 = not_specified */ 465 unsigned char model[40]; /* 0 = not_specified */
464 unsigned char max_multsect; /* 0=not_implemented */ 466 unsigned char max_multsect; /* 0=not_implemented */
465 unsigned char vendor3; /* vendor unique */ 467 unsigned char vendor3; /* vendor unique */
466 unsigned short dword_io; /* 0=not_implemented; 1=implemented */ 468 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
467 unsigned char vendor4; /* vendor unique */ 469 unsigned char vendor4; /* vendor unique */
468 unsigned char capability; /* (upper byte of word 49) 470 unsigned char capability; /* (upper byte of word 49)
469 * 3: IORDYsup 471 * 3: IORDYsup
470 * 2: IORDYsw 472 * 2: IORDYsw
471 * 1: LBA 473 * 1: LBA
472 * 0: DMA 474 * 0: DMA
473 */ 475 */
474 unsigned short reserved50; /* reserved (word 50) */ 476 unsigned short reserved50; /* reserved (word 50) */
475 unsigned char vendor5; /* Obsolete, vendor unique */ 477 unsigned char vendor5; /* Obsolete, vendor unique */
476 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */ 478 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
477 unsigned char vendor6; /* Obsolete, vendor unique */ 479 unsigned char vendor6; /* Obsolete, vendor unique */
478 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */ 480 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
479 unsigned short field_valid; /* (word 53) 481 unsigned short field_valid; /* (word 53)
480 * 2: ultra_ok word 88 482 * 2: ultra_ok word 88
481 * 1: eide_ok words 64-70 483 * 1: eide_ok words 64-70
482 * 0: cur_ok words 54-58 484 * 0: cur_ok words 54-58
483 */ 485 */
484 unsigned short cur_cyls; /* Obsolete, logical cylinders */ 486 unsigned short cur_cyls; /* Obsolete, logical cylinders */
485 unsigned short cur_heads; /* Obsolete, l heads */ 487 unsigned short cur_heads; /* Obsolete, l heads */
486 unsigned short cur_sectors; /* Obsolete, l sectors per track */ 488 unsigned short cur_sectors; /* Obsolete, l sectors per track */
487 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */ 489 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
488 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */ 490 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
489 unsigned char multsect; /* current multiple sector count */ 491 unsigned char multsect; /* current multiple sector count */
490 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ 492 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
491 unsigned int lba_capacity; /* Obsolete, total number of sectors */ 493 unsigned int lba_capacity; /* Obsolete, total number of sectors */
492 unsigned short dma_1word; /* Obsolete, single-word dma info */ 494 unsigned short dma_1word; /* Obsolete, single-word dma info */
493 unsigned short dma_mword; /* multiple-word dma info */ 495 unsigned short dma_mword; /* multiple-word dma info */
494 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ 496 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
495 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ 497 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
496 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ 498 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
497 unsigned short eide_pio; /* min cycle time (ns), no IORDY */ 499 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
498 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ 500 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
499 unsigned short words69_70[2]; /* reserved words 69-70 501 unsigned short words69_70[2]; /* reserved words 69-70
500 * future command overlap and queuing 502 * future command overlap and queuing
501 */ 503 */
502 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ 504 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
503 unsigned short words71_74[4]; /* reserved words 71-74 505 unsigned short words71_74[4]; /* reserved words 71-74
504 * for IDENTIFY PACKET DEVICE command 506 * for IDENTIFY PACKET DEVICE command
505 */ 507 */
506 unsigned short queue_depth; /* (word 75) 508 unsigned short queue_depth; /* (word 75)
507 * 15:5 reserved 509 * 15:5 reserved
508 * 4:0 Maximum queue depth -1 510 * 4:0 Maximum queue depth -1
509 */ 511 */
510 unsigned short words76_79[4]; /* reserved words 76-79 */ 512 unsigned short words76_79[4]; /* reserved words 76-79 */
511 unsigned short major_rev_num; /* (word 80) */ 513 unsigned short major_rev_num; /* (word 80) */
512 unsigned short minor_rev_num; /* (word 81) */ 514 unsigned short minor_rev_num; /* (word 81) */
513 unsigned short command_set_1; /* (word 82) supported 515 unsigned short command_set_1; /* (word 82) supported
514 * 15: Obsolete 516 * 15: Obsolete
515 * 14: NOP command 517 * 14: NOP command
516 * 13: READ_BUFFER 518 * 13: READ_BUFFER
517 * 12: WRITE_BUFFER 519 * 12: WRITE_BUFFER
518 * 11: Obsolete 520 * 11: Obsolete
519 * 10: Host Protected Area 521 * 10: Host Protected Area
520 * 9: DEVICE Reset 522 * 9: DEVICE Reset
521 * 8: SERVICE Interrupt 523 * 8: SERVICE Interrupt
522 * 7: Release Interrupt 524 * 7: Release Interrupt
523 * 6: look-ahead 525 * 6: look-ahead
524 * 5: write cache 526 * 5: write cache
525 * 4: PACKET Command 527 * 4: PACKET Command
526 * 3: Power Management Feature Set 528 * 3: Power Management Feature Set
527 * 2: Removable Feature Set 529 * 2: Removable Feature Set
528 * 1: Security Feature Set 530 * 1: Security Feature Set
529 * 0: SMART Feature Set 531 * 0: SMART Feature Set
530 */ 532 */
531 unsigned short command_set_2; /* (word 83) 533 unsigned short command_set_2; /* (word 83)
532 * 15: Shall be ZERO 534 * 15: Shall be ZERO
533 * 14: Shall be ONE 535 * 14: Shall be ONE
534 * 13: FLUSH CACHE EXT 536 * 13: FLUSH CACHE EXT
535 * 12: FLUSH CACHE 537 * 12: FLUSH CACHE
536 * 11: Device Configuration Overlay 538 * 11: Device Configuration Overlay
537 * 10: 48-bit Address Feature Set 539 * 10: 48-bit Address Feature Set
538 * 9: Automatic Acoustic Management 540 * 9: Automatic Acoustic Management
539 * 8: SET MAX security 541 * 8: SET MAX security
540 * 7: reserved 1407DT PARTIES 542 * 7: reserved 1407DT PARTIES
541 * 6: SetF sub-command Power-Up 543 * 6: SetF sub-command Power-Up
542 * 5: Power-Up in Standby Feature Set 544 * 5: Power-Up in Standby Feature Set
543 * 4: Removable Media Notification 545 * 4: Removable Media Notification
544 * 3: APM Feature Set 546 * 3: APM Feature Set
545 * 2: CFA Feature Set 547 * 2: CFA Feature Set
546 * 1: READ/WRITE DMA QUEUED 548 * 1: READ/WRITE DMA QUEUED
547 * 0: Download MicroCode 549 * 0: Download MicroCode
548 */ 550 */
549 unsigned short cfsse; /* (word 84) 551 unsigned short cfsse; /* (word 84)
550 * cmd set-feature supported extensions 552 * cmd set-feature supported extensions
551 * 15: Shall be ZERO 553 * 15: Shall be ZERO
552 * 14: Shall be ONE 554 * 14: Shall be ONE
553 * 13:6 reserved 555 * 13:6 reserved
554 * 5: General Purpose Logging 556 * 5: General Purpose Logging
555 * 4: Streaming Feature Set 557 * 4: Streaming Feature Set
556 * 3: Media Card Pass Through 558 * 3: Media Card Pass Through
557 * 2: Media Serial Number Valid 559 * 2: Media Serial Number Valid
558 * 1: SMART selt-test supported 560 * 1: SMART selt-test supported
559 * 0: SMART error logging 561 * 0: SMART error logging
560 */ 562 */
561 unsigned short cfs_enable_1; /* (word 85) 563 unsigned short cfs_enable_1; /* (word 85)
562 * command set-feature enabled 564 * command set-feature enabled
563 * 15: Obsolete 565 * 15: Obsolete
564 * 14: NOP command 566 * 14: NOP command
565 * 13: READ_BUFFER 567 * 13: READ_BUFFER
566 * 12: WRITE_BUFFER 568 * 12: WRITE_BUFFER
567 * 11: Obsolete 569 * 11: Obsolete
568 * 10: Host Protected Area 570 * 10: Host Protected Area
569 * 9: DEVICE Reset 571 * 9: DEVICE Reset
570 * 8: SERVICE Interrupt 572 * 8: SERVICE Interrupt
571 * 7: Release Interrupt 573 * 7: Release Interrupt
572 * 6: look-ahead 574 * 6: look-ahead
573 * 5: write cache 575 * 5: write cache
574 * 4: PACKET Command 576 * 4: PACKET Command
575 * 3: Power Management Feature Set 577 * 3: Power Management Feature Set
576 * 2: Removable Feature Set 578 * 2: Removable Feature Set
577 * 1: Security Feature Set 579 * 1: Security Feature Set
578 * 0: SMART Feature Set 580 * 0: SMART Feature Set
579 */ 581 */
580 unsigned short cfs_enable_2; /* (word 86) 582 unsigned short cfs_enable_2; /* (word 86)
581 * command set-feature enabled 583 * command set-feature enabled
582 * 15: Shall be ZERO 584 * 15: Shall be ZERO
583 * 14: Shall be ONE 585 * 14: Shall be ONE
584 * 13: FLUSH CACHE EXT 586 * 13: FLUSH CACHE EXT
585 * 12: FLUSH CACHE 587 * 12: FLUSH CACHE
586 * 11: Device Configuration Overlay 588 * 11: Device Configuration Overlay
587 * 10: 48-bit Address Feature Set 589 * 10: 48-bit Address Feature Set
588 * 9: Automatic Acoustic Management 590 * 9: Automatic Acoustic Management
589 * 8: SET MAX security 591 * 8: SET MAX security
590 * 7: reserved 1407DT PARTIES 592 * 7: reserved 1407DT PARTIES
591 * 6: SetF sub-command Power-Up 593 * 6: SetF sub-command Power-Up
592 * 5: Power-Up in Standby Feature Set 594 * 5: Power-Up in Standby Feature Set
593 * 4: Removable Media Notification 595 * 4: Removable Media Notification
594 * 3: APM Feature Set 596 * 3: APM Feature Set
595 * 2: CFA Feature Set 597 * 2: CFA Feature Set
596 * 1: READ/WRITE DMA QUEUED 598 * 1: READ/WRITE DMA QUEUED
597 * 0: Download MicroCode 599 * 0: Download MicroCode
598 */ 600 */
599 unsigned short csf_default; /* (word 87) 601 unsigned short csf_default; /* (word 87)
600 * command set-feature default 602 * command set-feature default
601 * 15: Shall be ZERO 603 * 15: Shall be ZERO
602 * 14: Shall be ONE 604 * 14: Shall be ONE
603 * 13:6 reserved 605 * 13:6 reserved
604 * 5: General Purpose Logging enabled 606 * 5: General Purpose Logging enabled
605 * 4: Valid CONFIGURE STREAM executed 607 * 4: Valid CONFIGURE STREAM executed
606 * 3: Media Card Pass Through enabled 608 * 3: Media Card Pass Through enabled
607 * 2: Media Serial Number Valid 609 * 2: Media Serial Number Valid
608 * 1: SMART selt-test supported 610 * 1: SMART selt-test supported
609 * 0: SMART error logging 611 * 0: SMART error logging
610 */ 612 */
611 unsigned short dma_ultra; /* (word 88) */ 613 unsigned short dma_ultra; /* (word 88) */
612 unsigned short trseuc; /* time required for security erase */ 614 unsigned short trseuc; /* time required for security erase */
613 unsigned short trsEuc; /* time required for enhanced erase */ 615 unsigned short trsEuc; /* time required for enhanced erase */
614 unsigned short CurAPMvalues; /* current APM values */ 616 unsigned short CurAPMvalues; /* current APM values */
615 unsigned short mprc; /* master password revision code */ 617 unsigned short mprc; /* master password revision code */
616 unsigned short hw_config; /* hardware config (word 93) 618 unsigned short hw_config; /* hardware config (word 93)
617 * 15: Shall be ZERO 619 * 15: Shall be ZERO
618 * 14: Shall be ONE 620 * 14: Shall be ONE
619 * 13: 621 * 13:
620 * 12: 622 * 12:
621 * 11: 623 * 11:
622 * 10: 624 * 10:
623 * 9: 625 * 9:
624 * 8: 626 * 8:
625 * 7: 627 * 7:
626 * 6: 628 * 6:
627 * 5: 629 * 5:
628 * 4: 630 * 4:
629 * 3: 631 * 3:
630 * 2: 632 * 2:
631 * 1: 633 * 1:
632 * 0: Shall be ONE 634 * 0: Shall be ONE
633 */ 635 */
634 unsigned short acoustic; /* (word 94) 636 unsigned short acoustic; /* (word 94)
635 * 15:8 Vendor's recommended value 637 * 15:8 Vendor's recommended value
636 * 7:0 current value 638 * 7:0 current value
637 */ 639 */
638 unsigned short msrqs; /* min stream request size */ 640 unsigned short msrqs; /* min stream request size */
639 unsigned short sxfert; /* stream transfer time */ 641 unsigned short sxfert; /* stream transfer time */
640 unsigned short sal; /* stream access latency */ 642 unsigned short sal; /* stream access latency */
641 unsigned int spg; /* stream performance granularity */ 643 unsigned int spg; /* stream performance granularity */
642 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */ 644 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
643 unsigned short words104_125[22];/* reserved words 104-125 */ 645 unsigned short words104_125[22];/* reserved words 104-125 */
644 unsigned short last_lun; /* (word 126) */ 646 unsigned short last_lun; /* (word 126) */
645 unsigned short word127; /* (word 127) Feature Set 647 unsigned short word127; /* (word 127) Feature Set
646 * Removable Media Notification 648 * Removable Media Notification
647 * 15:2 reserved 649 * 15:2 reserved
648 * 1:0 00 = not supported 650 * 1:0 00 = not supported
649 * 01 = supported 651 * 01 = supported
650 * 10 = reserved 652 * 10 = reserved
651 * 11 = reserved 653 * 11 = reserved
652 */ 654 */
653 unsigned short dlf; /* (word 128) 655 unsigned short dlf; /* (word 128)
654 * device lock function 656 * device lock function
655 * 15:9 reserved 657 * 15:9 reserved
656 * 8 security level 1:max 0:high 658 * 8 security level 1:max 0:high
657 * 7:6 reserved 659 * 7:6 reserved
658 * 5 enhanced erase 660 * 5 enhanced erase
659 * 4 expire 661 * 4 expire
660 * 3 frozen 662 * 3 frozen
661 * 2 locked 663 * 2 locked
662 * 1 en/disabled 664 * 1 en/disabled
663 * 0 capability 665 * 0 capability
664 */ 666 */
665 unsigned short csfo; /* (word 129) 667 unsigned short csfo; /* (word 129)
666 * current set features options 668 * current set features options
667 * 15:4 reserved 669 * 15:4 reserved
668 * 3: auto reassign 670 * 3: auto reassign
669 * 2: reverting 671 * 2: reverting
670 * 1: read-look-ahead 672 * 1: read-look-ahead
671 * 0: write cache 673 * 0: write cache
672 */ 674 */
673 unsigned short words130_155[26];/* reserved vendor words 130-155 */ 675 unsigned short words130_155[26];/* reserved vendor words 130-155 */
674 unsigned short word156; /* reserved vendor word 156 */ 676 unsigned short word156; /* reserved vendor word 156 */
675 unsigned short words157_159[3];/* reserved vendor words 157-159 */ 677 unsigned short words157_159[3];/* reserved vendor words 157-159 */
676 unsigned short cfa_power; /* (word 160) CFA Power Mode 678 unsigned short cfa_power; /* (word 160) CFA Power Mode
677 * 15 word 160 supported 679 * 15 word 160 supported
678 * 14 reserved 680 * 14 reserved
679 * 13 681 * 13
680 * 12 682 * 12
681 * 11:0 683 * 11:0
682 */ 684 */
683 unsigned short words161_175[15];/* Reserved for CFA */ 685 unsigned short words161_175[15];/* Reserved for CFA */
684 unsigned short words176_205[30];/* Current Media Serial Number */ 686 unsigned short words176_205[30];/* Current Media Serial Number */
685 unsigned short words206_254[49];/* reserved words 206-254 */ 687 unsigned short words206_254[49];/* reserved words 206-254 */
686 unsigned short integrity_word; /* (word 255) 688 unsigned short integrity_word; /* (word 255)
687 * 15:8 Checksum 689 * 15:8 Checksum
688 * 7:0 Signature 690 * 7:0 Signature
689 */ 691 */
690 }; 692 };
691 693
692 /* 694 /*
693 * IDE "nice" flags. These are used on a per drive basis to determine 695 * IDE "nice" flags. These are used on a per drive basis to determine
694 * when to be nice and give more bandwidth to the other devices which 696 * when to be nice and give more bandwidth to the other devices which
695 * share the same IDE bus. 697 * share the same IDE bus.
696 */ 698 */
697 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */ 699 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
698 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */ 700 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
699 #define IDE_NICE_0 (2) /* when sure that it won't affect us */ 701 #define IDE_NICE_0 (2) /* when sure that it won't affect us */
700 #define IDE_NICE_1 (3) /* when probably won't affect us much */ 702 #define IDE_NICE_1 (3) /* when probably won't affect us much */
701 #define IDE_NICE_2 (4) /* when we know it's on our expense */ 703 #define IDE_NICE_2 (4) /* when we know it's on our expense */
702 704