Commit 4cad085e authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz

ide-cd: move cdrom_timer_expiry to ide-atapi.c

- cdrom_timer_expiry -> ide_cd_expiry
- remove expiry-arg to ide_issue_pc as it is redundant now
- ide_debug_log -> debug_log
Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 5f25843f
......@@ -3,6 +3,7 @@
*/
#include <linux/kernel.h>
#include <linux/cdrom.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <scsi/scsi.h>
......@@ -252,6 +253,38 @@ int ide_scsi_expiry(ide_drive_t *drive)
}
EXPORT_SYMBOL_GPL(ide_scsi_expiry);
int ide_cd_expiry(ide_drive_t *drive)
{
struct request *rq = HWGROUP(drive)->rq;
unsigned long wait = 0;
debug_log("%s: rq->cmd[0]: 0x%x\n", __func__, rq->cmd[0]);
/*
* Some commands are *slow* and normally take a long time to complete.
* Usually we can use the ATAPI "disconnect" to bypass this, but not all
* commands/drives support that. Let ide_timer_expiry keep polling us
* for these.
*/
switch (rq->cmd[0]) {
case GPCMD_BLANK:
case GPCMD_FORMAT_UNIT:
case GPCMD_RESERVE_RZONE_TRACK:
case GPCMD_CLOSE_TRACK:
case GPCMD_FLUSH_CACHE:
wait = ATAPI_WAIT_PC;
break;
default:
if (!(rq->cmd_flags & REQ_QUIET))
printk(KERN_INFO "cmd 0x%x timed out\n",
rq->cmd[0]);
wait = 0;
break;
}
return wait;
}
EXPORT_SYMBOL_GPL(ide_cd_expiry);
int ide_cd_get_xferlen(struct request *rq)
{
if (blk_fs_request(rq))
......@@ -562,11 +595,11 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive)
return ide_started;
}
ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
ide_expiry_t *expiry)
ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout)
{
struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif;
ide_expiry_t *expiry = NULL;
u32 tf_flags;
u16 bcount;
u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI);
......@@ -578,9 +611,11 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
if (dev_is_idecd(drive)) {
tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
bcount = ide_cd_get_xferlen(hwif->hwgroup->rq);
expiry = ide_cd_expiry;
} else if (scsi) {
tf_flags = 0;
bcount = min(pc->req_xfer, 63 * 1024);
expiry = ide_scsi_expiry;
} else {
tf_flags = IDE_TFLAG_OUT_DEVICE;
bcount = ((drive->media == ide_tape) ?
......@@ -613,7 +648,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
if (drive->dma)
drive->waiting_for_dma = 0;
ide_execute_command(drive, ATA_CMD_PACKET, ide_transfer_pc,
timeout, NULL);
timeout, expiry);
return ide_started;
} else {
ide_execute_pkt_cmd(drive);
......
......@@ -511,38 +511,6 @@ end_request:
return 1;
}
static int cdrom_timer_expiry(ide_drive_t *drive)
{
struct request *rq = HWGROUP(drive)->rq;
unsigned long wait = 0;
ide_debug_log(IDE_DBG_RQ, "Call %s: rq->cmd[0]: 0x%x\n", __func__,
rq->cmd[0]);
/*
* Some commands are *slow* and normally take a long time to complete.
* Usually we can use the ATAPI "disconnect" to bypass this, but not all
* commands/drives support that. Let ide_timer_expiry keep polling us
* for these.
*/
switch (rq->cmd[0]) {
case GPCMD_BLANK:
case GPCMD_FORMAT_UNIT:
case GPCMD_RESERVE_RZONE_TRACK:
case GPCMD_CLOSE_TRACK:
case GPCMD_FLUSH_CACHE:
wait = ATAPI_WAIT_PC;
break;
default:
if (!(rq->cmd_flags & REQ_QUIET))
printk(KERN_INFO PFX "cmd 0x%x timed out\n",
rq->cmd[0]);
wait = 0;
break;
}
return wait;
}
/*
* Set up the device registers for transferring a packet command on DEV,
* expecting to later transfer XFERLEN bytes. HANDLER is the routine
......@@ -574,7 +542,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
/* packet command */
ide_execute_command(drive, ATA_CMD_PACKET, handler,
ATAPI_WAIT_PC, cdrom_timer_expiry);
ATAPI_WAIT_PC, ide_cd_expiry);
return ide_started;
} else {
ide_execute_pkt_cmd(drive);
......@@ -621,7 +589,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
}
/* arm the interrupt handler */
ide_set_handler(drive, handler, rq->timeout, cdrom_timer_expiry);
ide_set_handler(drive, handler, rq->timeout, ide_cd_expiry);
/* ATAPI commands get padded out to 12 bytes minimum */
cmd_len = COMMAND_SIZE(rq->cmd[0]);
......@@ -1088,7 +1056,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
} else {
timeout = ATAPI_WAIT_PC;
if (!blk_fs_request(rq))
expiry = cdrom_timer_expiry;
expiry = ide_cd_expiry;
}
ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry);
......
......@@ -16,10 +16,6 @@
#define ide_debug_log(lvl, fmt, args...) do {} while (0)
#endif
/*
* typical timeout for packet command
*/
#define ATAPI_WAIT_PC (60 * HZ)
#define ATAPI_WAIT_WRITE_BUSY (10 * HZ)
/************************************************************************/
......
......@@ -197,7 +197,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
pc->retries++;
return ide_issue_pc(drive, WAIT_FLOPPY_CMD, NULL);
return ide_issue_pc(drive, WAIT_FLOPPY_CMD);
}
void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
......
......@@ -694,7 +694,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
pc->retries++;
return ide_issue_pc(drive, WAIT_TAPE_CMD, NULL);
return ide_issue_pc(drive, WAIT_TAPE_CMD);
}
/* A mode sense command is used to "sense" tape parameters. */
......
......@@ -396,6 +396,7 @@ enum {
* This is used for several packet commands (not for READ/WRITE commands).
*/
#define IDE_PC_BUFFER_SIZE 256
#define ATAPI_WAIT_PC (60 * HZ)
struct ide_atapi_pc {
/* actual packet bytes */
......@@ -1253,10 +1254,11 @@ static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc)
}
int ide_scsi_expiry(ide_drive_t *);
int ide_cd_expiry(ide_drive_t *);
int ide_cd_get_xferlen(struct request *);
ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int);
ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
......
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