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);
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
LOCKING
None.
Build ATA taskfile tf for read/write request described by block, n_block, tf_flags and tag on dev.
RETURNS
0 on success, -ERANGE if the request is too large for dev, -EINVAL if
the request is invalid.
AUTHOR
- Jeff Garzik
- Author.