1. NAME▲

ata_build_rw_tf - Build ATA taskfile for given read/write request

2. 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 );

3. 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

4. LOCKING ▲

None.

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

5. RETURNS ▲

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

6. AUTHOR ▲

Jeff Garzik
    Author.

7. COPYRIGHT ▲