ATA_BUILD_RW_TF(9) libata Core Internals ATA_BUILD_RW_TF(9)NAMEata_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 ATA_BUILD_RW_TF(9)