On 04/23/2010 11:28 AM, Harry Zhang wrote: > Add "em_buffer" attribute for SATA AHCI hosts to provide a way for > userland to access AHCI EM (enclosure management) buffer directly if the > host supports EM. > > AHCI driver should support SGPIO EM messages. However the SATA/AHCI > specs did not define the SGPIO message format filled in EM buffer. > Different HW vendors may have different definitions. The mainly purpose > of this attribute is to solve this issue by allowing HW vendors to > provide userland drivers and tools for their SGPIO initiators. > > Signed-off-by: Harry Zhang <harry.zhang@xxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
