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ATA_BUILD_RW_TF(9) libata Core Internals 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

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

January 2017 Kernel Hackers Manual 4.8.