ATA_BUILD_RW_TF(9)

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, int class);

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

class
    IO priority class

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