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ATA_EXEC_INTERNAL(9) | libata Core Internals | ATA_EXEC_INTERNAL(9) |
NAME¶
ata_exec_internal - execute libata internal commandSYNOPSIS¶
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¶
struct ata_device * devDevice to which the command is sent
struct ata_taskfile * tf
Taskfile registers for the command and the result
const u8 * cdb
CDB for packet command
int dma_dir
Data transfer direction of the command
void * buf
Data buffer of the command
unsigned int buflen
Length of data buffer
unsigned long 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 failureAUTHOR¶
Jeff GarzikAuthor.
COPYRIGHT¶
July 2017 | Kernel Hackers Manual 4.11 |