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.