linux-kernel - Re: RFC: export constants from shpc.h?

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Date:	Thu, 23 Feb 2012 08:50:04 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: RFC: export constants from shpc.h?

On Thu, 16 Feb 2012 16:54:49 +0200
"Michael S. Tsirkin" <mst@...hat.com> wrote:

> I've implemented an shpc controller emulator
> in qemu, so I needed a bunch of constants
> similar to what drivers/pci/hotplug/shpc.h has.
> 
> Any objections to adding a PCI_SHPC_XXXX prefix
> so these and moving them to pci_regs.h?
> PCI utilities can then use them from /usr/include/linux.
> 
> One can see how a utility that looks at slot LED and MRL
> states might be useful
> (we'd need to export the base offset through sysfs
> to make it possible to use such in parallel with shpc).

pci_regs.h is generally reserved for architected regs, but maybe a
separate header file makes sense.  Or just patch libpciaccess or
pci-utils with your tool.

-- 
Jesse Barnes, Intel Open Source Technology Center

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