1ATA_BUILD_RW_TF(9)           libata Core Internals          ATA_BUILD_RW_TF(9)
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NAME

6       ata_build_rw_tf - Build ATA taskfile for given read/write request
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SYNOPSIS

9       int ata_build_rw_tf(struct ata_taskfile * tf, struct ata_device * dev,
10                           u64 block, u32 n_block, unsigned int tf_flags,
11                           unsigned int tag);
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ARGUMENTS

14       tf
15           Target ATA taskfile
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17       dev
18           ATA device tf belongs to
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20       block
21           Block address
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23       n_block
24           Number of blocks
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26       tf_flags
27           RW/FUA etc...
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29       tag
30           tag
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LOCKING

33       None.
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35       Build ATA taskfile tf for read/write request described by block,
36       n_block, tf_flags and tag on dev.
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RETURNS

39       0 on success, -ERANGE if the request is too large for dev, -EINVAL if
40       the request is invalid.
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AUTHOR

43       Jeff Garzik
44           Author.
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47Kernel Hackers Manual 2.6.       November 2011              ATA_BUILD_RW_TF(9)
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