7 static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq,  in ide_ata_error()  argument
10 	ide_hwif_t *hwif = drive->hwif;  in ide_ata_error()
13 	    ((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) {  in ide_ata_error()
19 			if ((drive->dev_flags & IDE_DFLAG_LBA) &&  in ide_ata_error()
25 			drive->crc_count++;  in ide_ata_error()
37 		int nsect = drive->mult_count ? drive->mult_count : 1;  in ide_ata_error()
39 		ide_pad_transfer(drive, READ, nsect * SECTOR_SIZE);  in ide_ata_error()
43 		ide_kill_rq(drive, rq);  in ide_ata_error()
52 		return ide_do_reset(drive);  in ide_ata_error()
56 		drive->special_flags |= IDE_SFLAG_RECALIBRATE;  in ide_ata_error()
63 static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq,  in ide_atapi_error()  argument
66 	ide_hwif_t *hwif = drive->hwif;  in ide_atapi_error()
69 	    ((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) {  in ide_atapi_error()
81 		ide_kill_rq(drive, rq);  in ide_atapi_error()
85 			return ide_do_reset(drive);  in ide_atapi_error()
93 static ide_startstop_t __ide_error(ide_drive_t *drive, struct request *rq,  in __ide_error()  argument
96 	if (drive->media == ide_disk)  in __ide_error()
97 		return ide_ata_error(drive, rq, stat, err);  in __ide_error()
98 	return ide_atapi_error(drive, rq, stat, err);  in __ide_error()
114 ide_startstop_t ide_error(ide_drive_t *drive, const char *msg, u8 stat)  in ide_error()  argument
119 	err = ide_dump_status(drive, msg, stat);  in ide_error()
121 	rq = drive->hwif->rq;  in ide_error()
131 				ide_complete_cmd(drive, cmd, stat, err);  in ide_error()
134 			ide_complete_pm_rq(drive, rq);  in ide_error()
138 		ide_complete_rq(drive, err ? -EIO : 0, blk_rq_bytes(rq));  in ide_error()
142 	return __ide_error(drive, rq, stat, err);  in ide_error()
146 static inline void ide_complete_drive_reset(ide_drive_t *drive, int err)  in ide_complete_drive_reset()  argument
148 	struct request *rq = drive->hwif->rq;  in ide_complete_drive_reset()
154 		ide_complete_rq(drive, err ? err : 0, blk_rq_bytes(rq));  in ide_complete_drive_reset()
167 static ide_startstop_t atapi_reset_pollfunc(ide_drive_t *drive)  in atapi_reset_pollfunc()  argument
169 	ide_hwif_t *hwif = drive->hwif;  in atapi_reset_pollfunc()
173 	tp_ops->dev_select(drive);  in atapi_reset_pollfunc()
178 		printk(KERN_INFO "%s: ATAPI reset complete\n", drive->name);  in atapi_reset_pollfunc()
181 			ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);  in atapi_reset_pollfunc()
188 			drive->name, stat);  in atapi_reset_pollfunc()
190 		return do_reset1(drive, 1);  in atapi_reset_pollfunc()
194 	ide_complete_drive_reset(drive, 0);  in atapi_reset_pollfunc()
223 static ide_startstop_t reset_pollfunc(ide_drive_t *drive)  in reset_pollfunc()  argument
225 	ide_hwif_t *hwif = drive->hwif;  in reset_pollfunc()
231 		err = port_ops->reset_poll(drive);  in reset_pollfunc()
234 				hwif->name, drive->name);  in reset_pollfunc()
243 			ide_set_handler(drive, &reset_pollfunc, HZ/20);  in reset_pollfunc()
249 		drive->failures++;  in reset_pollfunc()
252 		tmp = ide_read_error(drive);  in reset_pollfunc()
256 			drive->failures = 0;  in reset_pollfunc()
259 			drive->failures++;  in reset_pollfunc()
265 	ide_complete_drive_reset(drive, err);  in reset_pollfunc()
269 static void ide_disk_pre_reset(ide_drive_t *drive)  in ide_disk_pre_reset()  argument
271 	int legacy = (drive->id[ATA_ID_CFS_ENABLE_2] & 0x0400) ? 0 : 1;  in ide_disk_pre_reset()
273 	drive->special_flags =  in ide_disk_pre_reset()
276 	drive->mult_count = 0;  in ide_disk_pre_reset()
277 	drive->dev_flags &= ~IDE_DFLAG_PARKED;  in ide_disk_pre_reset()
279 	if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0 &&  in ide_disk_pre_reset()
280 	    (drive->dev_flags & IDE_DFLAG_USING_DMA) == 0)  in ide_disk_pre_reset()
281 		drive->mult_req = 0;  in ide_disk_pre_reset()
283 	if (drive->mult_req != drive->mult_count)  in ide_disk_pre_reset()
284 		drive->special_flags |= IDE_SFLAG_SET_MULTMODE;  in ide_disk_pre_reset()
287 static void pre_reset(ide_drive_t *drive)  in pre_reset()  argument
289 	const struct ide_port_ops *port_ops = drive->hwif->port_ops;  in pre_reset()
291 	if (drive->media == ide_disk)  in pre_reset()
292 		ide_disk_pre_reset(drive);  in pre_reset()
294 		drive->dev_flags |= IDE_DFLAG_POST_RESET;  in pre_reset()
296 	if (drive->dev_flags & IDE_DFLAG_USING_DMA) {  in pre_reset()
297 		if (drive->crc_count)  in pre_reset()
298 			ide_check_dma_crc(drive);  in pre_reset()
300 			ide_dma_off(drive);  in pre_reset()
303 	if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0) {  in pre_reset()
304 		if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) {  in pre_reset()
305 			drive->dev_flags &= ~IDE_DFLAG_UNMASK;  in pre_reset()
306 			drive->io_32bit = 0;  in pre_reset()
312 		port_ops->pre_reset(drive);  in pre_reset()
314 	if (drive->current_speed != 0xff)  in pre_reset()
315 		drive->desired_speed = drive->current_speed;  in pre_reset()
316 	drive->current_speed = 0xff;  in pre_reset()
334 static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)  in do_reset1()  argument
336 	ide_hwif_t *hwif = drive->hwif;  in do_reset1()
351 	if (drive->media != ide_disk && !do_not_try_atapi) {  in do_reset1()
352 		pre_reset(drive);  in do_reset1()
353 		tp_ops->dev_select(drive);  in do_reset1()
359 		__ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);  in do_reset1()
395 		ide_complete_drive_reset(drive, -ENXIO);  in do_reset1()
413 		((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) ? 0 : ATA_NIEN) |  in do_reset1()
419 	__ide_set_handler(drive, &reset_pollfunc, HZ/20);  in do_reset1()
428 		port_ops->resetproc(drive);  in do_reset1()
438 ide_startstop_t ide_do_reset(ide_drive_t *drive)  in ide_do_reset()  argument
440 	return do_reset1(drive, 0);  in ide_do_reset()