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.