ata_exec_internal (9) Linux Manual Page
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.
Return
Zero on success, AC_ERR_* mask on failure
Author
Jeff Garzik
- Author.