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ATA_EXEC_INTERNAL(9) libata Core Internals ATA_EXEC_INTERNAL(9)

NAME

ata_exec_internal - execute libata internal command

SYNOPSIS

unsigned ata_exec_internal(struct ata_device * dev, struct ata_taskfile * tf, const u8 * cdb, int dma_dir, void * buf, unsigned int buflen, unsigned long timeout);

ARGUMENTS

dev
Device to which the command is sent
tf
Taskfile registers for the command and the result
cdb
CDB for packet command
dma_dir
Data tranfer direction of the command
buf
Data buffer of the command
buflen
Length of data buffer
timeout
Timeout in msecs (0 for default)

DESCRIPTION

Wrapper around ata_exec_internal_sg which takes simple buffer instead of sg list.

LOCKING

None. Should be called with kernel context, might sleep.

RETURNS

Zero on success, AC_ERR_* mask on failure

AUTHOR

Jeff Garzik
Author.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.