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[Qemu-devel] Re: [PATCH 0/2] Re: [PATCH v9 5/8] pcie/aer: helper functio
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] Re: [PATCH 0/2] Re: [PATCH v9 5/8] pcie/aer: helper functions for pcie aer capability |
Date: |
Fri, 19 Nov 2010 14:03:26 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Nov 19, 2010 at 06:42:27PM +0900, Isaku Yamahata wrote:
> On Wed, Nov 17, 2010 at 04:06:38PM +0200, Michael S. Tsirkin wrote:
> > Please, try to address the TODO: I think the case of
> > PCIE device behind a pci bridge is not covered properly.
>
> Right, pci-to-pcie bridge case isn't covered.
> Although SERR bit can be set, the error can't be propagated up further
> because qemu doesn't emulate PERR#/SERR#.
>
> There is no use case of pci-to-pcie bridge in qemu, I think.
I think it's useful to put an express device behind
a pci bridge in qemu, because pci bridges are tested
and supported by more guests.
> If good error handling is wanted, express should be used.
> So it isn't worthwhile to implement pci-to-pcie bridge.
Okay, we can look into this later.
> --
> yamahata
[Qemu-devel] [PATCH v9 2/8] pci: fix accesses to pci status register, Isaku Yamahata, 2010/11/16
[Qemu-devel] [PATCH v9 3/8] pci: clean up of pci status register, Isaku Yamahata, 2010/11/16
[Qemu-devel] [PATCH v9 8/8] x3130/downstream: support aer., Isaku Yamahata, 2010/11/16
[Qemu-devel] [PATCH v9 4/8] pcie_regs.h: more constants, Isaku Yamahata, 2010/11/16
[Qemu-devel] [PATCH v9 7/8] x3130/upstream: support aer, Isaku Yamahata, 2010/11/16
[Qemu-devel] [PATCH v9 1/8] pci: revise pci command register initialization, Isaku Yamahata, 2010/11/16