#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <scsi/scsi_transport.h>
#include <linux/libata.h>
#include <linux/hdreg.h>
#include <linux/uaccess.h>
#include <linux/pm_runtime.h>
#include "libata.h"
#include "libata-transport.h"

Data Structures
struct	ata_internal

struct	ata_show_ering_arg

Macros
#define	ATA_PORT_ATTRS 2

#define	ATA_LINK_ATTRS 3

#define	ATA_DEV_ATTRS 9

#define	to_ata_internal(tmpl) container_of(tmpl, struct ata_internal, t)

#define	tdev_to_device(d) container_of((d), struct ata_device, tdev)

#define	transport_class_to_dev(dev) tdev_to_device((dev)->parent)

#define	tdev_to_link(d) container_of((d), struct ata_link, tdev)

#define	transport_class_to_link(dev) tdev_to_link((dev)->parent)

#define	tdev_to_port(d) container_of((d), struct ata_port, tdev)

#define	transport_class_to_port(dev) tdev_to_port((dev)->parent)

#define	ATA_DEVICE_ATTR(_prefix, _name, _mode, _show, _store)

#define	ata_bitfield_name_match(title, table)

#define	ata_bitfield_name_search(title, table)

#define	ata_port_show_simple(field, name, format_string, cast)

#define	ata_port_simple_attr(field, name, format_string, type)

#define	ata_link_show_linkspeed(field)

#define	ata_link_linkspeed_attr(field)

#define	ata_dev_show_class(title, field)

#define	ata_dev_attr(title, field)

#define	ata_dev_show_simple(field, format_string, cast)

#define	ata_dev_simple_attr(field, format_string, type)

#define	SETUP_TEMPLATE(attrb, field, perm, test)

#define	SETUP_LINK_ATTRIBUTE(field) SETUP_TEMPLATE(link_attrs, field, S_IRUGO, 1)

#define	SETUP_PORT_ATTRIBUTE(field) SETUP_TEMPLATE(port_attrs, field, S_IRUGO, 1)

#define	SETUP_DEV_ATTRIBUTE(field) SETUP_TEMPLATE(dev_attrs, field, S_IRUGO, 1)

Functions
	ata_bitfield_name_search (class, ata_class_names)

	ata_bitfield_name_match (err, ata_err_names)

	ata_bitfield_name_match (xfer, ata_xfer_names)

void	ata_tport_delete (struct ata_port *ap)

int	ata_tport_add (struct device parent, struct ata_port ap)

	ata_link_linkspeed_attr (hw_sata_spd_limit)

	ata_link_linkspeed_attr (sata_spd_limit)

	ata_link_linkspeed_attr (sata_spd)

void	ata_tlink_delete (struct ata_link *link)

int	ata_tlink_add (struct ata_link *link)

	ata_dev_attr (class, class)

	ata_dev_attr (xfer, pio_mode)

	ata_dev_attr (xfer, dma_mode)

	ata_dev_attr (xfer, xfer_mode)

	ata_dev_simple_attr (spdn_cnt,"%d\n", int)

struct scsi_transport_template *	ata_attach_transport (void)

void	ata_release_transport (struct scsi_transport_template *t)

__init int	libata_transport_init (void)

void __exit	libata_transport_exit (void)

Variables
struct scsi_transport_template *	ata_scsi_transport_template

	ata_err_names []

	ata_xfer_names []

Macro Definition Documentation

#define ata_bitfield_name_match	(	title,
		table
	)

Value:

static ssize_t                          \
get_ata_##title##_names(u32 table_key, char *buf)       \
{                               \
    char *prefix = "";                  \
	ssize_t len = 0;                   \
    int i;                          \
								\
	for (i = 0; i < ARRAY_SIZE(table); i++) {      \
        if (table[i].value & table_key) {       \
            len += sprintf(buf + len, "%s%s",   \
                prefix, table[i].name);     \
            prefix = ", ";              \
        }                       \
    }                           \
    len += sprintf(buf + len, "\n");            \
    return len;                     \
}

Definition at line 96 of file libata-transport.c.

#define ata_bitfield_name_search	(	title,
		table
	)

Value:

static ssize_t                          \
get_ata_##title##_names(u32 table_key, char *buf)       \
{                               \
	ssize_t len = 0;                   \
    int i;                          \
								\
	for (i = 0; i < ARRAY_SIZE(table); i++) {      \
        if (table[i].value == table_key) {      \
            len += sprintf(buf + len, "%s",     \
                table[i].name);         \
            break;                  \
        }                       \
    }                           \
    len += sprintf(buf + len, "\n");            \
    return len;                     \
}

Definition at line 115 of file libata-transport.c.

#define ata_dev_attr	(	title,
		field
	)

Value:

ata_dev_show_class(title, field) \

static DEVICE_ATTR(field, S_IRUGO, show_ata_dev_##field, NULL)

Definition at line 460 of file libata-transport.c.

#define ATA_DEV_ATTRS 9

Definition at line 42 of file libata-transport.c.

#define ata_dev_show_class	(	title,
		field
	)

Value:

static ssize_t                              \
show_ata_dev_##field(struct device *dev,                \
             struct device_attribute *attr, char *buf)      \
{                                   \
	struct ata_device *ata_dev = transport_class_to_dev(dev);  \
                                    \
    return get_ata_##title##_names(ata_dev->field, buf);        \
}

Definition at line 450 of file libata-transport.c.

#define ata_dev_show_simple	(	field,
		format_string,
		cast
	)

Value:

static ssize_t                              \
show_ata_dev_##field(struct device *dev,                \
             struct device_attribute *attr, char *buf)      \
{                                   \
	struct ata_device *ata_dev = transport_class_to_dev(dev);  \
                                    \
    return snprintf(buf, 20, format_string, cast ata_dev->field);   \
}

Definition at line 470 of file libata-transport.c.

#define ata_dev_simple_attr	(	field,
		format_string,
		type
	)

Value:

ata_dev_show_simple(field, format_string, (type))   \
static DEVICE_ATTR(field, S_IRUGO,          \
           show_ata_dev_##field, NULL)

Definition at line 480 of file libata-transport.c.

#define ATA_DEVICE_ATTR	(	_prefix,
		_name,
		_mode,
		_show,
		_store
	)

Value:

struct device_attribute device_attr_##_prefix##_##_name = \

__ATTR(_name,_mode,_show,_store)

Definition at line 92 of file libata-transport.c.

#define ATA_LINK_ATTRS 3

Definition at line 41 of file libata-transport.c.

#define ata_link_linkspeed_attr ( field )

Value:

ata_link_show_linkspeed(field) \

static DEVICE_ATTR(field, S_IRUGO, show_ata_link_##field, NULL)

Definition at line 334 of file libata-transport.c.

#define ata_link_show_linkspeed ( field )

Value:

static ssize_t                              \
show_ata_link_##field(struct device *dev,               \
              struct device_attribute *attr, char *buf)     \
{                                   \
	struct ata_link *link = transport_class_to_link(dev);      \
                                    \
    return sprintf(buf,"%s\n", sata_spd_string(fls(link->field)));  \
}

Definition at line 324 of file libata-transport.c.

#define ATA_PORT_ATTRS 2

Definition at line 40 of file libata-transport.c.

#define ata_port_show_simple	(	field,
		name,
		format_string,
		cast
	)

Value:

static ssize_t                              \
show_ata_port_##name(struct device *dev,                \
             struct device_attribute *attr, char *buf)      \
{                                   \
	struct ata_port *ap = transport_class_to_port(dev);        \
                                    \
    return snprintf(buf, 20, format_string, cast ap->field);    \
}

#define ata_port_simple_attr	(	field,
		name,
		format_string,
		type
	)

Value:

ata_port_show_simple(field, name, format_string, (type)) \

static DEVICE_ATTR(name, S_IRUGO, show_ata_port_##name, NULL)

#define SETUP_DEV_ATTRIBUTE ( field ) SETUP_TEMPLATE(dev_attrs, field, S_IRUGO, 1)

Definition at line 675 of file libata-transport.c.

#define SETUP_LINK_ATTRIBUTE ( field ) SETUP_TEMPLATE(link_attrs, field, S_IRUGO, 1)

Definition at line 669 of file libata-transport.c.

#define SETUP_PORT_ATTRIBUTE ( field ) SETUP_TEMPLATE(port_attrs, field, S_IRUGO, 1)

Definition at line 672 of file libata-transport.c.

#define SETUP_TEMPLATE	(	attrb,
		field,
		perm,
		test
	)

Value:

i->private_##attrb[count] = dev_attr_##field;               \
    i->private_##attrb[count].attr.mode = perm;         \
    i->attrb[count] = &i->private_##attrb[count];           \
    if (test)                           \
        count++

Definition at line 662 of file libata-transport.c.

#define tdev_to_device ( d ) container_of((d), struct ata_device, tdev)

Definition at line 68 of file libata-transport.c.

#define tdev_to_link ( d ) container_of((d), struct ata_link, tdev)

Definition at line 73 of file libata-transport.c.

#define tdev_to_port ( d ) container_of((d), struct ata_port, tdev)

Definition at line 78 of file libata-transport.c.

#define to_ata_internal ( tmpl ) container_of(tmpl, struct ata_internal, t)

Definition at line 65 of file libata-transport.c.

#define transport_class_to_dev ( dev ) tdev_to_device((dev)->parent)

Definition at line 70 of file libata-transport.c.

#define transport_class_to_link ( dev ) tdev_to_link((dev)->parent)

Definition at line 75 of file libata-transport.c.

#define transport_class_to_port ( dev ) tdev_to_port((dev)->parent)

Definition at line 80 of file libata-transport.c.

Function Documentation

struct scsi_transport_template* ata_attach_transport ( void )

read

ata_attach_transport – instantiate ATA transport template

Definition at line 681 of file libata-transport.c.

ata_bitfield_name_match	(	err	,
		ata_err_names
	)

Definition at line 167 of file libata-transport.c.

ata_bitfield_name_match	(	xfer	,
		ata_xfer_names
	)

Definition at line 198 of file libata-transport.c.

ata_bitfield_name_search	(	class	,
		ata_class_names
	)

Definition at line 148 of file libata-transport.c.

ata_dev_attr	(	class	,
		class
	)

ata_dev_attr	(	xfer	,
		pio_mode
	)

ata_dev_attr	(	xfer	,
		dma_mode
	)

ata_dev_attr	(	xfer	,
		xfer_mode
	)

ata_dev_simple_attr	(	spdn_cnt	,
		"%d\n"	,
		int
	)

ata_link_linkspeed_attr ( hw_sata_spd_limit )

ata_link_linkspeed_attr ( sata_spd_limit )

ata_link_linkspeed_attr ( sata_spd )

void ata_release_transport ( struct scsi_transport_template * t )

ata_release_transport – release ATA transport template instance : transport template instance

Definition at line 741 of file libata-transport.c.

int ata_tlink_add ( struct ata_link * link )

ata_tlink_add – initialize a transport ATA link structure allocated ata_link structure.

Initialize an ATA LINK structure for sysfs. It will be added in the device tree below the ATA PORT it belongs to.

Returns %0 on success

Definition at line 402 of file libata-transport.c.

void ata_tlink_delete ( struct ata_link * link )

ata_tlink_delete – remove ATA LINK : ATA LINK to remove

Removes the specified ATA LINK. remove associated ATA device(s) as well.

Definition at line 378 of file libata-transport.c.

int ata_tport_add	(	struct device *	parent,
		struct ata_port *	ap
	)

ata_tport_add - initialize a transport ATA port structure

: parent device : existing ata_port structure

Initialize a ATA port structure for sysfs. It will be added to the device tree below the device specified by which could be a PCI device.

Returns %0 on success

Definition at line 276 of file libata-transport.c.

void ata_tport_delete ( struct ata_port * ap )

ata_tport_delete – remove ATA PORT : ATA PORT to remove

Removes the specified ATA PORT. Remove the associated link as well.

Definition at line 254 of file libata-transport.c.

void __exit libata_transport_exit ( void )

Definition at line 776 of file libata-transport.c.

__init int libata_transport_init ( void )

Definition at line 752 of file libata-transport.c.

Variable Documentation

ata_err_names[]

Initial value:

= {
    { AC_ERR_DEV,           "DeviceError" },
    { AC_ERR_HSM,           "HostStateMachineError" },
    { AC_ERR_TIMEOUT,       "Timeout" },
    { AC_ERR_MEDIA,         "MediaError" },
    { AC_ERR_ATA_BUS,       "BusError" },
    { AC_ERR_HOST_BUS,      "HostBusError" },
    { AC_ERR_SYSTEM,        "SystemError" },
    { AC_ERR_INVALID,       "InvalidArg" },
    { AC_ERR_OTHER,         "Unknown" },
    { AC_ERR_NODEV_HINT,        "NoDeviceHint" },
    { AC_ERR_NCQ,           "NCQError" }
}

Definition at line 154 of file libata-transport.c.

struct scsi_transport_template* ata_scsi_transport_template

Definition at line 45 of file libata-transport.c.

ata_xfer_names[]

Initial value:

= {
    { XFER_UDMA_7,          "XFER_UDMA_7" },
    { XFER_UDMA_6,          "XFER_UDMA_6" },
    { XFER_UDMA_5,          "XFER_UDMA_5" },
    { XFER_UDMA_4,          "XFER_UDMA_4" },
    { XFER_UDMA_3,          "XFER_UDMA_3" },
    { XFER_UDMA_2,          "XFER_UDMA_2" },
    { XFER_UDMA_1,          "XFER_UDMA_1" },
    { XFER_UDMA_0,          "XFER_UDMA_0" },
    { XFER_MW_DMA_4,        "XFER_MW_DMA_4" },
    { XFER_MW_DMA_3,        "XFER_MW_DMA_3" },
    { XFER_MW_DMA_2,        "XFER_MW_DMA_2" },
    { XFER_MW_DMA_1,        "XFER_MW_DMA_1" },
    { XFER_MW_DMA_0,        "XFER_MW_DMA_0" },
    { XFER_SW_DMA_2,        "XFER_SW_DMA_2" },
    { XFER_SW_DMA_1,        "XFER_SW_DMA_1" },
    { XFER_SW_DMA_0,        "XFER_SW_DMA_0" },
    { XFER_PIO_6,           "XFER_PIO_6" },
    { XFER_PIO_5,           "XFER_PIO_5" },
    { XFER_PIO_4,           "XFER_PIO_4" },
    { XFER_PIO_3,           "XFER_PIO_3" },
    { XFER_PIO_2,           "XFER_PIO_2" },
    { XFER_PIO_1,           "XFER_PIO_1" },
    { XFER_PIO_0,           "XFER_PIO_0" },
    { XFER_PIO_SLOW,        "XFER_PIO_SLOW" }
}

Definition at line 172 of file libata-transport.c.

char* name

Definition at line 135 of file libata-transport.c.

value

snd_pcm_hw_param_value - return field : the hw_params instance

Definition at line 134 of file libata-transport.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation