ata_build_rw_tf (9) - Linux Manuals

ata_build_rw_tf: Build ATA taskfile for given read/write request

NAME

ata_build_rw_tf - Build ATA taskfile for given read/write request

SYNOPSIS

int ata_build_rw_tf(struct ata_taskfile * tf, struct ata_device * dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag);

ARGUMENTS

tf

Target ATA taskfile

dev

ATA device tf belongs to

block

Block address

n_block

Number of blocks

tf_flags

RW/FUA etc...

tag

tag

DESCRIPTION

LOCKING: None.

Build ATA taskfile tf for read/write request described by block, n_block, tf_flags and tag on dev.

RETURN

0 on success, -ERANGE if the request is too large for dev, -EINVAL if the request is invalid.

AUTHOR

Jeff Garzik

Author.

COPYRIGHT