other versions
| 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, int class);
ARGUMENTS¶
struct ata_taskfile * tf
Target ATA taskfile
struct ata_device * dev
ATA device tf belongs to
u64 block
Block address
u32 n_block
Number of blocks
unsigned int tf_flags
RW/FUA etc...
unsigned int tag
tag
int 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¶
| September 2017 | Kernel Hackers Manual 4.12 |