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 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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                      ATA_EXEC_INTERNAL(9)