| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |