rio-access.c File Reference

#include <linux/rio.h>
#include <linux/module.h>

Go to the source code of this file.

Macros
#define	RIO_8_BAD   0
#define	RIO_16_BAD   (offset & 1)
#define	RIO_32_BAD   (offset & 3)
#define	RIO_LOP_READ(size, type, len)
#define	RIO_LOP_WRITE(size, type, len)
#define	RIO_OP_READ(size, type, len)
#define	RIO_OP_WRITE(size, type, len)

Functions
	EXPORT_SYMBOL_GPL (__rio_local_read_config_8)
	EXPORT_SYMBOL_GPL (__rio_local_read_config_16)
	EXPORT_SYMBOL_GPL (__rio_local_read_config_32)
	EXPORT_SYMBOL_GPL (__rio_local_write_config_8)
	EXPORT_SYMBOL_GPL (__rio_local_write_config_16)
	EXPORT_SYMBOL_GPL (__rio_local_write_config_32)
	EXPORT_SYMBOL_GPL (rio_mport_read_config_8)
	EXPORT_SYMBOL_GPL (rio_mport_read_config_16)
	EXPORT_SYMBOL_GPL (rio_mport_read_config_32)
	EXPORT_SYMBOL_GPL (rio_mport_write_config_8)
	EXPORT_SYMBOL_GPL (rio_mport_write_config_16)
	EXPORT_SYMBOL_GPL (rio_mport_write_config_32)
int	rio_mport_send_doorbell (struct rio_mport *mport, u16 destid, u16 data)
	EXPORT_SYMBOL_GPL (rio_mport_send_doorbell)

Macro Definition Documentation

#define RIO_16_BAD   (offset & 1)

Definition at line 30 of file rio-access.c.

#define RIO_32_BAD   (offset & 3)

Definition at line 31 of file rio-access.c.

#define RIO_8_BAD   0

Definition at line 29 of file rio-access.c.

#define RIO_LOP_READ	(		size,
			type,
			len
	)

Value:

int __rio_local_read_config_##size \
    (struct rio_mport *mport, u32 offset, type *value)      \
{                                   \
    int res;                            \
    unsigned long flags;                        \
	u32 data = 0;                          \
    if (RIO_##size##_BAD) return RIO_BAD_SIZE;          \
    spin_lock_irqsave(&rio_config_lock, flags);         \
    res = mport->ops->lcread(mport, mport->id, offset, len, &data); \
    *value = (type)data;                        \
    spin_unlock_irqrestore(&rio_config_lock, flags);        \
    return res;                         \
}

RIO_LOP_READ - Generate rio_local_read_config_* functions : Size of configuration space read (8, 16, 32 bits) : C type of value argument : Length of configuration space read (1, 2, 4 bytes)

Generates rio_local_read_config_* functions used to access configuration space registers on the local device.

Definition at line 42 of file rio-access.c.

#define RIO_LOP_WRITE	(		size,
			type,
			len
	)

Value:

int __rio_local_write_config_##size \
    (struct rio_mport *mport, u32 offset, type value)       \
{                                   \
    int res;                            \
    unsigned long flags;                        \
    if (RIO_##size##_BAD) return RIO_BAD_SIZE;          \
    spin_lock_irqsave(&rio_config_lock, flags);         \
    res = mport->ops->lcwrite(mport, mport->id, offset, len, value);\
    spin_unlock_irqrestore(&rio_config_lock, flags);        \
    return res;                         \
}

RIO_LOP_WRITE - Generate rio_local_write_config_* functions : Size of configuration space write (8, 16, 32 bits) : C type of value argument : Length of configuration space write (1, 2, 4 bytes)

Generates rio_local_write_config_* functions used to access configuration space registers on the local device.

Definition at line 66 of file rio-access.c.

#define RIO_OP_READ	(		size,
			type,
			len
	)

Value:

int rio_mport_read_config_##size \
    (struct rio_mport *mport, u16 destid, u8 hopcount, u32 offset, type *value) \
{                                   \
    int res;                            \
    unsigned long flags;                        \
	u32 data = 0;                          \
    if (RIO_##size##_BAD) return RIO_BAD_SIZE;          \
    spin_lock_irqsave(&rio_config_lock, flags);         \
    res = mport->ops->cread(mport, mport->id, destid, hopcount, offset, len, &data); \
    *value = (type)data;                        \
    spin_unlock_irqrestore(&rio_config_lock, flags);        \
    return res;                         \
}

RIO_OP_READ - Generate rio_mport_read_config_* functions : Size of configuration space read (8, 16, 32 bits) : C type of value argument : Length of configuration space read (1, 2, 4 bytes)

Generates rio_mport_read_config_* functions used to access configuration space registers on the local device.

Definition at line 102 of file rio-access.c.

#define RIO_OP_WRITE	(		size,
			type,
			len
	)

Value:

int rio_mport_write_config_##size \
    (struct rio_mport *mport, u16 destid, u8 hopcount, u32 offset, type value)  \
{                                   \
    int res;                            \
    unsigned long flags;                        \
    if (RIO_##size##_BAD) return RIO_BAD_SIZE;          \
    spin_lock_irqsave(&rio_config_lock, flags);         \
    res = mport->ops->cwrite(mport, mport->id, destid, hopcount, offset, len, value); \
    spin_unlock_irqrestore(&rio_config_lock, flags);        \
    return res;                         \
}

RIO_OP_WRITE - Generate rio_mport_write_config_* functions : Size of configuration space write (8, 16, 32 bits) : C type of value argument : Length of configuration space write (1, 2, 4 bytes)

Generates rio_mport_write_config_* functions used to access configuration space registers on the local device.

Definition at line 126 of file rio-access.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

__rio_local_read_config_8

)

EXPORT_SYMBOL_GPL

(

__rio_local_read_config_16

)

EXPORT_SYMBOL_GPL

(

__rio_local_read_config_32

)

EXPORT_SYMBOL_GPL

(

__rio_local_write_config_8

)

EXPORT_SYMBOL_GPL

(

__rio_local_write_config_16

)

EXPORT_SYMBOL_GPL

(

__rio_local_write_config_32

)

EXPORT_SYMBOL_GPL

(

rio_mport_read_config_8

)

EXPORT_SYMBOL_GPL

(

rio_mport_read_config_16

)

EXPORT_SYMBOL_GPL

(

rio_mport_read_config_32

)

EXPORT_SYMBOL_GPL

(

rio_mport_write_config_8

)

EXPORT_SYMBOL_GPL

(

rio_mport_write_config_16

)

EXPORT_SYMBOL_GPL

(

rio_mport_write_config_32

)

EXPORT_SYMBOL_GPL

(

rio_mport_send_doorbell

)

int rio_mport_send_doorbell	(	struct rio_mport *	mport,
		u16	destid,
		u16	data
	)

rio_mport_send_doorbell - Send a doorbell message

: RIO master port : RIO device destination ID : Doorbell message data

Send a doorbell message to a RIO device. The doorbell message has a 16-bit info field provided by the data argument.

Definition at line 163 of file rio-access.c.