提交 4cad085e 编写于 作者: B Borislav Petkov 提交者: 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: NBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
上级 5f25843f
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/cdrom.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/ide.h> #include <linux/ide.h>
#include <scsi/scsi.h> #include <scsi/scsi.h>
...@@ -252,6 +253,38 @@ int ide_scsi_expiry(ide_drive_t *drive) ...@@ -252,6 +253,38 @@ int ide_scsi_expiry(ide_drive_t *drive)
} }
EXPORT_SYMBOL_GPL(ide_scsi_expiry); 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) int ide_cd_get_xferlen(struct request *rq)
{ {
if (blk_fs_request(rq)) if (blk_fs_request(rq))
...@@ -562,11 +595,11 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) ...@@ -562,11 +595,11 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive)
return ide_started; return ide_started;
} }
ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout)
ide_expiry_t *expiry)
{ {
struct ide_atapi_pc *pc = drive->pc; struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif; ide_hwif_t *hwif = drive->hwif;
ide_expiry_t *expiry = NULL;
u32 tf_flags; u32 tf_flags;
u16 bcount; u16 bcount;
u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); 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, ...@@ -578,9 +611,11 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
if (dev_is_idecd(drive)) { if (dev_is_idecd(drive)) {
tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL; tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
bcount = ide_cd_get_xferlen(hwif->hwgroup->rq); bcount = ide_cd_get_xferlen(hwif->hwgroup->rq);
expiry = ide_cd_expiry;
} else if (scsi) { } else if (scsi) {
tf_flags = 0; tf_flags = 0;
bcount = min(pc->req_xfer, 63 * 1024); bcount = min(pc->req_xfer, 63 * 1024);
expiry = ide_scsi_expiry;
} else { } else {
tf_flags = IDE_TFLAG_OUT_DEVICE; tf_flags = IDE_TFLAG_OUT_DEVICE;
bcount = ((drive->media == ide_tape) ? bcount = ((drive->media == ide_tape) ?
...@@ -613,7 +648,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, ...@@ -613,7 +648,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
if (drive->dma) if (drive->dma)
drive->waiting_for_dma = 0; drive->waiting_for_dma = 0;
ide_execute_command(drive, ATA_CMD_PACKET, ide_transfer_pc, ide_execute_command(drive, ATA_CMD_PACKET, ide_transfer_pc,
timeout, NULL); timeout, expiry);
return ide_started; return ide_started;
} else { } else {
ide_execute_pkt_cmd(drive); ide_execute_pkt_cmd(drive);
......
...@@ -511,38 +511,6 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) ...@@ -511,38 +511,6 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
return 1; 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, * Set up the device registers for transferring a packet command on DEV,
* expecting to later transfer XFERLEN bytes. HANDLER is the routine * 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, ...@@ -574,7 +542,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
/* packet command */ /* packet command */
ide_execute_command(drive, ATA_CMD_PACKET, handler, ide_execute_command(drive, ATA_CMD_PACKET, handler,
ATAPI_WAIT_PC, cdrom_timer_expiry); ATAPI_WAIT_PC, ide_cd_expiry);
return ide_started; return ide_started;
} else { } else {
ide_execute_pkt_cmd(drive); ide_execute_pkt_cmd(drive);
...@@ -621,7 +589,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, ...@@ -621,7 +589,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
} }
/* arm the interrupt handler */ /* 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 */ /* ATAPI commands get padded out to 12 bytes minimum */
cmd_len = COMMAND_SIZE(rq->cmd[0]); cmd_len = COMMAND_SIZE(rq->cmd[0]);
...@@ -1088,7 +1056,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) ...@@ -1088,7 +1056,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
} else { } else {
timeout = ATAPI_WAIT_PC; timeout = ATAPI_WAIT_PC;
if (!blk_fs_request(rq)) if (!blk_fs_request(rq))
expiry = cdrom_timer_expiry; expiry = ide_cd_expiry;
} }
ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry); ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry);
......
...@@ -16,10 +16,6 @@ ...@@ -16,10 +16,6 @@
#define ide_debug_log(lvl, fmt, args...) do {} while (0) #define ide_debug_log(lvl, fmt, args...) do {} while (0)
#endif #endif
/*
* typical timeout for packet command
*/
#define ATAPI_WAIT_PC (60 * HZ)
#define ATAPI_WAIT_WRITE_BUSY (10 * HZ) #define ATAPI_WAIT_WRITE_BUSY (10 * HZ)
/************************************************************************/ /************************************************************************/
......
...@@ -197,7 +197,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, ...@@ -197,7 +197,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
pc->retries++; 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) 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, ...@@ -694,7 +694,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
pc->retries++; 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. */ /* A mode sense command is used to "sense" tape parameters. */
......
...@@ -396,6 +396,7 @@ enum { ...@@ -396,6 +396,7 @@ enum {
* This is used for several packet commands (not for READ/WRITE commands). * This is used for several packet commands (not for READ/WRITE commands).
*/ */
#define IDE_PC_BUFFER_SIZE 256 #define IDE_PC_BUFFER_SIZE 256
#define ATAPI_WAIT_PC (60 * HZ)
struct ide_atapi_pc { struct ide_atapi_pc {
/* actual packet bytes */ /* actual packet bytes */
...@@ -1253,10 +1254,11 @@ static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) ...@@ -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_scsi_expiry(ide_drive_t *);
int ide_cd_expiry(ide_drive_t *);
int ide_cd_get_xferlen(struct request *); 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 *); ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
......
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