IDE TCQ

[Vitezslav Samel]

On Mon, Jul 01, 2002 at 01:53:19PM +0200, Jan Kasprzak wrote:
> 	Nevite nekdo co je potreba k tomu, aby mi na Linuxu bezelo
> tagged command queuing(sp?) na IDE? Musim mit nejaky silne specificky
> radic nebo silne specificky disk?

  Specificky disk: viz linux-2.5.24/drivers/ide/tcq.c:configure_tcq()

        /*
         * bit 14 and 1 must be set in word 83 of the device id to indicate
         * support for dma queued protocol, and bit 15 must be cleared
         */

Podpora se da zjistit z vypisu hdparm -I /dev/hd? polozka
 "READ/WRITE DMA QUEUED" (musi by dostatecne nove hdparm - i kdyz, jak se na
to tedka divam, tak podle vyse uveden poznamky v jadre, neni ten test
v hdaprmu dostatecny)

> -Y.

	Vita