*/
static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
{
- struct request *rq = HWGROUP(drive)->rq;
+ ide_hwif_t *hwif = drive->hwif;
+ struct request *rq = hwif->hwgroup->rq;
int stat, err, sense_key;
/* check for errors */
- stat = ide_read_status(drive);
+ stat = hwif->read_status(hwif);
if (stat_ret)
*stat_ret = stat;
static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
int len, int ireason, int rw)
{
+ ide_hwif_t *hwif = drive->hwif;
+
/*
* ireason == 0: the drive wants to receive data from us
* ireason == 2: the drive is expecting to transfer data to us
* Some drives (ASUS) seem to tell us that status info is
* available. Just get it and ignore.
*/
- (void)ide_read_status(drive);
+ (void)hwif->read_status(hwif);
return 0;
} else {
/* drive wants a command packet, or invalid ireason... */
static ide_startstop_t cdrom_newpc_intr(ide_drive_t *);
-/*
- * Routine to send a read/write packet command to the drive. This is usually
- * called directly from cdrom_start_{read,write}(). However, for drq_interrupt
- * devices, it is called from an interrupt when the drive is ready to accept
- * the command.
- */
-static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive)
+static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
+ struct request *rq)
{
- struct request *rq = HWGROUP(drive)->rq;
-
if (rq_data_dir(rq) == READ) {
unsigned short sectors_per_frame =
queue_hardsect_size(drive->queue) >> SECTOR_BITS;
/* set up the command */
rq->timeout = ATAPI_WAIT_PC;
+ return ide_started;
+}
+
+/*
+ * Routine to send a read/write packet command to the drive. This is usually
+ * called directly from cdrom_start_{read,write}(). However, for drq_interrupt
+ * devices, it is called from an interrupt when the drive is ready to accept
+ * the command.
+ */
+static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive)
+{
+ struct request *rq = drive->hwif->hwgroup->rq;
+
/* send the command to the drive and return */
return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr);
}
return ide_stopped;
}
-static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive)
+static void ide_cd_prepare_seek_request(ide_drive_t *drive, struct request *rq)
{
- struct request *rq = HWGROUP(drive)->rq;
sector_t frame = rq->sector;
sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS);
put_unaligned(cpu_to_be32(frame), (unsigned int *) &rq->cmd[2]);
rq->timeout = ATAPI_WAIT_PC;
- return cdrom_transfer_packet_command(drive, rq, &cdrom_seek_intr);
}
-static ide_startstop_t cdrom_start_seek(ide_drive_t *drive)
+static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive)
{
- struct cdrom_info *info = drive->driver_data;
+ struct request *rq = drive->hwif->hwgroup->rq;
- info->dma = 0;
- info->start_seek = jiffies;
- return cdrom_start_packet_command(drive, 0,
- cdrom_start_seek_continuation);
+ return cdrom_transfer_packet_command(drive, rq, &cdrom_seek_intr);
}
/*
if (write)
cd->devinfo.media_written = 1;
- /* start sending the read/write request to the drive */
- return cdrom_start_packet_command(drive, 32768, cdrom_start_rw_cont);
+ return ide_started;
}
static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
{
struct request *rq = HWGROUP(drive)->rq;
- if (!rq->timeout)
- rq->timeout = ATAPI_WAIT_PC;
-
return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr);
}
-static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
+static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
{
struct cdrom_info *info = drive->driver_data;
((unsigned long)current->stack & stack_mask)))
info->dma = 0;
}
-
- /* start sending the command to the drive */
- return cdrom_start_packet_command(drive, rq->data_len,
- cdrom_do_newpc_cont);
}
/*
static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
sector_t block)
{
- ide_startstop_t action;
struct cdrom_info *info = drive->driver_data;
+ ide_handler_t *fn;
+ int xferlen;
if (blk_fs_request(rq)) {
if (info->cd_flags & IDE_CD_FLAG_SEEKING) {
+ ide_hwif_t *hwif = drive->hwif;
unsigned long elapsed = jiffies - info->start_seek;
- int stat = ide_read_status(drive);
+ int stat = hwif->read_status(hwif);
if ((stat & SEEK_STAT) != SEEK_STAT) {
if (elapsed < IDECD_SEEK_TIMEOUT) {
}
if (rq_data_dir(rq) == READ &&
IDE_LARGE_SEEK(info->last_block, block,
- IDECD_SEEK_THRESHOLD) &&
- drive->dsc_overlap)
- action = cdrom_start_seek(drive);
- else
- action = cdrom_start_rw(drive, rq);
+ IDECD_SEEK_THRESHOLD) &&
+ drive->dsc_overlap) {
+ xferlen = 0;
+ fn = cdrom_start_seek_continuation;
+
+ info->dma = 0;
+ info->start_seek = jiffies;
+
+ ide_cd_prepare_seek_request(drive, rq);
+ } else {
+ xferlen = 32768;
+ fn = cdrom_start_rw_cont;
+
+ if (cdrom_start_rw(drive, rq) == ide_stopped)
+ return ide_stopped;
+
+ if (ide_cd_prepare_rw_request(drive, rq) == ide_stopped)
+ return ide_stopped;
+ }
info->last_block = block;
- return action;
} else if (blk_sense_request(rq) || blk_pc_request(rq) ||
rq->cmd_type == REQ_TYPE_ATA_PC) {
- return cdrom_do_block_pc(drive, rq);
+ xferlen = rq->data_len;
+ fn = cdrom_do_newpc_cont;
+
+ if (!rq->timeout)
+ rq->timeout = ATAPI_WAIT_PC;
+
+ cdrom_do_block_pc(drive, rq);
} else if (blk_special_request(rq)) {
/* right now this can only be a reset... */
cdrom_end_request(drive, 1);
cdrom_end_request(drive, 0);
return ide_stopped;
}
-}
-
+ return cdrom_start_packet_command(drive, xferlen, fn);
+}
/*
* Ioctl handling.
.do_request = ide_cd_do_request,
.end_request = ide_end_request,
.error = __ide_error,
- .abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idecd_proc,
#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff