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 Kernel Hackers Manual 2.6. September 2014 ATA_EXEC_INTERNAL(9)