Doug Maxey wrote:

On Thu, 05 Aug 2004 21:45:59 EDT, Jeff Garzik wrote:

quoted

ATAPI works too.....  assuming your CD/DVD drive never encounters a 
CHECK CONDITION requiring REQUEST SENSE to be issued...  ;-)

  Heh.  Where should one start looking to get this enabled?  I have to
  admit that I have given the code only a few minutes viewing.

top of include/linux/libata.h:

/*
  * compile-time options
  */
#undef ATA_FORCE_PIO            /* do not configure or use DMA */
#undef ATA_DEBUG                /* debugging output */
#undef ATA_VERBOSE_DEBUG        /* yet more debugging output */
#undef ATA_IRQ_TRAP             /* define to ack screaming irqs */
#undef ATA_NDEBUG               /* define to disable quick runtime checks */
#undef ATA_ENABLE_ATAPI         /* define to enable ATAPI support */
#undef ATA_ENABLE_PATA          /* define to enable PATA support in some
                                  * low-level drivers */
#undef ATAPI_ENABLE_DMADIR      /* enables ATAPI DMADIR bridge support */