Commit 989e0aac authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Tejun Heo

ata: pass queued command to ->sff_data_xfer method

For Atari Falcon PATA support we need to check the current command
in its ->sff_data_xfer method.  Update core code and all users
accordingly.

There should be no functional changes caused by this patch.
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 7563f625
......@@ -542,7 +542,7 @@ static inline void ata_tf_to_host(struct ata_port *ap,
/**
* ata_sff_data_xfer - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
......@@ -555,10 +555,10 @@ static inline void ata_tf_to_host(struct ata_port *ap,
* RETURNS:
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1;
......@@ -595,7 +595,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
/**
* ata_sff_data_xfer32 - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
......@@ -610,16 +610,17 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 2;
int slop = buflen & 3;
if (!(ap->pflags & ATA_PFLAG_PIO32))
return ata_sff_data_xfer(dev, buf, buflen, rw);
return ata_sff_data_xfer(qc, buf, buflen, rw);
/* Transfer multiple of 4 bytes */
if (rw == READ)
......@@ -658,7 +659,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
/**
* ata_sff_data_xfer_noirq - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
......@@ -672,14 +673,14 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
* RETURNS:
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
unsigned long flags;
unsigned int consumed;
local_irq_save(flags);
consumed = ata_sff_data_xfer32(dev, buf, buflen, rw);
consumed = ata_sff_data_xfer32(qc, buf, buflen, rw);
local_irq_restore(flags);
return consumed;
......@@ -723,14 +724,14 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
buf = kmap_atomic(page);
/* do the actual data transfer */
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write);
kunmap_atomic(buf);
local_irq_restore(flags);
} else {
buf = page_address(page);
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write);
}
......@@ -791,7 +792,7 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
DPRINTK("send cdb\n");
WARN_ON_ONCE(qc->dev->cdb_len < 12);
ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
ap->ops->sff_data_xfer(qc, qc->cdb, qc->dev->cdb_len, 1);
ata_sff_sync(ap);
/* FIXME: If the CDB is for DMA do we need to do the transition delay
or is bmdma_start guaranteed to do it ? */
......@@ -868,14 +869,14 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
buf = kmap_atomic(page);
/* do the actual data transfer */
consumed = ap->ops->sff_data_xfer(dev, buf + offset,
consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw);
kunmap_atomic(buf);
local_irq_restore(flags);
} else {
buf = page_address(page);
consumed = ap->ops->sff_data_xfer(dev, buf + offset,
consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw);
}
......
......@@ -286,10 +286,10 @@ static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
set_smc_timing(ap->dev, adev, info, &timing);
}
static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
static unsigned int pata_at91_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct at91_ide_info *info = dev->link->ap->host->private_data;
struct at91_ide_info *info = qc->dev->link->ap->host->private_data;
unsigned int consumed;
unsigned int mode;
unsigned long flags;
......@@ -301,7 +301,7 @@ static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |
AT91_SMC_DBW_16);
consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
consumed = ata_sff_data_xfer(qc, buf, buflen, rw);
/* restore 8bit mode after data is written */
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |
......
......@@ -1143,7 +1143,7 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
/**
* bfin_data_xfer - Transfer data by PIO
* @adev: device for this I/O
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @write_data: read/write
......@@ -1151,10 +1151,11 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
* Note: Original code is ata_sff_data_xfer().
*/
static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf,
static unsigned int bfin_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
unsigned int words = buflen >> 1;
unsigned short *buf16 = (u16 *)buf;
......
......@@ -474,11 +474,11 @@ static void ep93xx_pata_set_devctl(struct ata_port *ap, u8 ctl)
}
/* Note: original code is ata_sff_data_xfer */
static unsigned int ep93xx_pata_data_xfer(struct ata_device *adev,
static unsigned int ep93xx_pata_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = adev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
struct ep93xx_pata_data *drv_data = ap->host->private_data;
u16 *data = (u16 *)buf;
unsigned int words = buflen >> 1;
......
......@@ -40,13 +40,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
return 0;
}
static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev,
static unsigned int ixp4xx_mmio_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
unsigned int i;
unsigned int words = buflen >> 1;
u16 *buf16 = (u16 *) buf;
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *mmio = ap->ioaddr.data_addr;
struct ixp4xx_pata_data *data = dev_get_platdata(ap->host->dev);
......
......@@ -303,11 +303,12 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
static unsigned int pdc_data_xfer_vlb(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
int slop = buflen & 3;
struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap;
int slop = buflen & 3;
/* 32bit I/O capable *and* we need to write a whole number of dwords */
if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3)
......@@ -340,7 +341,7 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
}
local_irq_restore(flags);
} else
buflen = ata_sff_data_xfer_noirq(dev, buf, buflen, rw);
buflen = ata_sff_data_xfer_noirq(qc, buf, buflen, rw);
return buflen;
}
......@@ -702,9 +703,11 @@ static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
return ata_sff_qc_issue(qc);
}
static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int rw)
static unsigned int vlb32_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_device *adev = qc->dev;
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
......@@ -727,7 +730,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
}
return (buflen + 3) & ~3;
} else
return ata_sff_data_xfer(adev, buf, buflen, rw);
return ata_sff_data_xfer(qc, buf, buflen, rw);
}
static int qdi_port(struct platform_device *dev,
......
......@@ -293,17 +293,17 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
/**
* Handle an 8 bit I/O request.
*
* @dev: Device to access
* @qc: Queued command
* @buffer: Data buffer
* @buflen: Length of the buffer.
* @rw: True to write.
*/
static unsigned int octeon_cf_data_xfer8(struct ata_device *dev,
static unsigned int octeon_cf_data_xfer8(struct ata_queued_cmd *qc,
unsigned char *buffer,
unsigned int buflen,
int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words;
int count;
......@@ -332,17 +332,17 @@ static unsigned int octeon_cf_data_xfer8(struct ata_device *dev,
/**
* Handle a 16 bit I/O request.
*
* @dev: Device to access
* @qc: Queued command
* @buffer: Data buffer
* @buflen: Length of the buffer.
* @rw: True to write.
*/
static unsigned int octeon_cf_data_xfer16(struct ata_device *dev,
static unsigned int octeon_cf_data_xfer16(struct ata_queued_cmd *qc,
unsigned char *buffer,
unsigned int buflen,
int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words;
int count;
......
......@@ -90,7 +90,7 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
/**
* ata_data_xfer_8bit - Transfer data by 8bit PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
......@@ -101,10 +101,10 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
* Inherited from caller.
*/
static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
static unsigned int ata_data_xfer_8bit(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
if (rw == READ)
ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
......
......@@ -263,10 +263,10 @@ static u8 pata_s3c_check_altstatus(struct ata_port *ap)
/*
* pata_s3c_data_xfer - Transfer data by PIO
*/
static unsigned int pata_s3c_data_xfer(struct ata_device *dev,
static unsigned int pata_s3c_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
struct s3c_ide_info *info = ap->host->private_data;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1, i;
......
......@@ -447,11 +447,11 @@ static void sata_rcar_exec_command(struct ata_port *ap,
ata_sff_pause(ap);
}
static unsigned int sata_rcar_data_xfer(struct ata_device *dev,
static unsigned int sata_rcar_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1;
......
......@@ -968,7 +968,7 @@ struct ata_port_operations {
void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
void (*sff_exec_command)(struct ata_port *ap,
const struct ata_taskfile *tf);
unsigned int (*sff_data_xfer)(struct ata_device *dev,
unsigned int (*sff_data_xfer)(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
void (*sff_irq_on)(struct ata_port *);
bool (*sff_irq_check)(struct ata_port *);
......@@ -1823,11 +1823,11 @@ extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
extern void ata_sff_exec_command(struct ata_port *ap,
const struct ata_taskfile *tf);
extern unsigned int ata_sff_data_xfer(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer32(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern void ata_sff_irq_on(struct ata_port *ap);
extern void ata_sff_irq_clear(struct ata_port *ap);
......
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