ata_exec_internal man page on Scientific

ata_exec_internal man page on Scientific

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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
Kernel Hackers Manual 2.6.	 November 2013		  ATA_EXEC_INTERNAL(9)

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