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From: "Jörg Rödel" <joro@8bytes.org>
To: Paul Menzel <pmenzel+linux-iommu@molgen.mpg.de>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: MSI B350M MORTAR: `AMD-Vi: Unable to write to IOMMU perf counter.` and `pci 0000:00:00.2: can't derive routing for PCI INT A`
Date: Fri, 27 Jul 2018 12:27:10 +0200
Message-ID: <20180727102710.GA6738@8bytes.org> (raw)
In-Reply-To: <92922faa-164d-002b-9a5e-1865a57f1bdb@molgen.mpg.de>

On Fri, Jul 27, 2018 at 11:18:56AM +0200, Paul Menzel wrote:
> On the AMD site [1] I see the three family 0x17 documents below.
> 
> 1.  Open-Source Register Reference for AMD Family 17h Processors (PUB)
> 2.  Processor Programming Reference (PPR) for AMD Family 17h Models 00h-0Fh Processors (PUB)
> 3.  Software Optimization Guide for AMD Family 17h Processors (PUB)
> 
> What documented is required? The BKDG?

IIRC the PPR is the new BKDG, but the public version does not seem to
contain any references about how the IOMMU needs to be set up by
firmware.


Thanks,

	Joerg

      reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-17 16:02 Paul Menzel
2018-07-20 12:31 ` Jörg Rödel
     [not found]   ` <20180720123153.GC18541-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-07-23 10:09     ` Paul Menzel
     [not found]       ` <d2c5ee4a-e72b-672e-ae30-7b3cd5a43c63-KUpvgZVWgV9o1qOY/usvUg@public.gmane.org>
2018-07-27  8:27         ` Jörg Rödel
2018-07-27  9:18           ` Paul Menzel
2018-07-27 10:27             ` Jörg Rödel [this message]

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