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 transfer 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