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libata: move atapi_request_sense() to libata-scsi module
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No content changes, just moving code around.
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Jeff Garzik committed Oct 5, 2005
1 parent a15dbeb commit a939c96
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Showing 3 changed files with 50 additions and 48 deletions.
49 changes: 1 addition & 48 deletions drivers/scsi/libata-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,6 @@ static int fgb(u32 bitmap);
static int ata_choose_xfer_mode(struct ata_port *ap,
u8 *xfer_mode_out,
unsigned int *xfer_shift_out);
static int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat);
static void __ata_qc_complete(struct ata_queued_cmd *qc);

static unsigned int ata_unique_id = 1;
Expand Down Expand Up @@ -3015,52 +3014,6 @@ static void ata_pio_task(void *_data)
goto fsm_start;
}

static void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
struct scsi_cmnd *cmd)
{
DECLARE_COMPLETION(wait);
struct ata_queued_cmd *qc;
unsigned long flags;
int rc;

DPRINTK("ATAPI request sense\n");

qc = ata_qc_new_init(ap, dev);
BUG_ON(qc == NULL);

/* FIXME: is this needed? */
memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));

ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
qc->dma_dir = DMA_FROM_DEVICE;

memset(&qc->cdb, 0, ap->cdb_len);
qc->cdb[0] = REQUEST_SENSE;
qc->cdb[4] = SCSI_SENSE_BUFFERSIZE;

qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
qc->tf.command = ATA_CMD_PACKET;

qc->tf.protocol = ATA_PROT_ATAPI;
qc->tf.lbam = (8 * 1024) & 0xff;
qc->tf.lbah = (8 * 1024) >> 8;
qc->nbytes = SCSI_SENSE_BUFFERSIZE;

qc->waiting = &wait;
qc->complete_fn = ata_qc_complete_noop;

spin_lock_irqsave(&ap->host_set->lock, flags);
rc = ata_qc_issue(qc);
spin_unlock_irqrestore(&ap->host_set->lock, flags);

if (rc)
ata_port_disable(ap);
else
wait_for_completion(&wait);

DPRINTK("EXIT\n");
}

/**
* ata_qc_timeout - Handle timeout of queued command
* @qc: Command that timed out
Expand Down Expand Up @@ -3254,7 +3207,7 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
return qc;
}

static int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat)
int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat)
{
return 0;
}
Expand Down
46 changes: 46 additions & 0 deletions drivers/scsi/libata-scsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -1479,6 +1479,52 @@ void ata_scsi_badcmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), u8
done(cmd);
}

void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
struct scsi_cmnd *cmd)
{
DECLARE_COMPLETION(wait);
struct ata_queued_cmd *qc;
unsigned long flags;
int rc;

DPRINTK("ATAPI request sense\n");

qc = ata_qc_new_init(ap, dev);
BUG_ON(qc == NULL);

/* FIXME: is this needed? */
memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));

ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
qc->dma_dir = DMA_FROM_DEVICE;

memset(&qc->cdb, 0, ap->cdb_len);
qc->cdb[0] = REQUEST_SENSE;
qc->cdb[4] = SCSI_SENSE_BUFFERSIZE;

qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
qc->tf.command = ATA_CMD_PACKET;

qc->tf.protocol = ATA_PROT_ATAPI;
qc->tf.lbam = (8 * 1024) & 0xff;
qc->tf.lbah = (8 * 1024) >> 8;
qc->nbytes = SCSI_SENSE_BUFFERSIZE;

qc->waiting = &wait;
qc->complete_fn = ata_qc_complete_noop;

spin_lock_irqsave(&ap->host_set->lock, flags);
rc = ata_qc_issue(qc);
spin_unlock_irqrestore(&ap->host_set->lock, flags);

if (rc)
ata_port_disable(ap);
else
wait_for_completion(&wait);

DPRINTK("EXIT\n");
}

static int atapi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
{
struct scsi_cmnd *cmd = qc->scsicmd;
Expand Down
3 changes: 3 additions & 0 deletions drivers/scsi/libata.h
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ struct ata_scsi_args {

/* libata-core.c */
extern int atapi_enabled;
extern int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern void ata_qc_free(struct ata_queued_cmd *qc);
Expand All @@ -51,6 +52,8 @@ extern void swap_buf_le16(u16 *buf, unsigned int buf_words);


/* libata-scsi.c */
extern void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
struct scsi_cmnd *cmd);
extern void ata_scsi_scan_host(struct ata_port *ap);
extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
extern int ata_scsi_error(struct Scsi_Host *host);
Expand Down

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