[Qemu-devel] Re: [PATCH v9 0/8] pcie port switch emulators

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Nov 16, 2010 at 05:26:04PM +0900, Isaku Yamahata wrote:
> Now v9 of pcie aer patch series.
> I dropped qmp patch to inject aer error because it will depends
> on Gleb's openfirmware path patches.
> Once his patches are merged, the glue patch will be respined.
> 
> Patch description:
> The patch series adds pcie/aer functionality to the pcie port emulators
> and adds new qemu command to inject aer into the guest.
> 
> Change v8 -> v9:
> - dropped qmp glue aer error injection.
> - folded pci command register initialization patches
> - make pcie_aer_init() return error  
> 
> Changes v7 -> v8:
> - Added command to the forward declaration.
> - revise pci command/status register initialization
> - various changes to follow the review
> - use domain:slot.func:slot.func..:slot.func to specify pci function
>   instead of domain:bus:slot.func
> - allow symbolic name for aer error name in addition to 32 bit value
> 
> Changes v6 -> v7:
> - the glue patch for pushing attention button is dropped for now.
>   This will be addressed later.
> - various clean up of aer helper functions.
> 
> changes v5 -> v6:
> - dropped already merged patches.
> - add comment on hpev_intx
> - updated the bridge fix patch
> - update the aer patch.
> - reordered the patch series to remove the aer dependency.
> 
> change v4 -> v5:
> - introduced pci_xxx_test_and_clear/set_mask
> - eliminated xxx_notify(msi_trigger, int_level)
> - eliminated FLR bits.
>   FLR will be addressed at the next phase.
> 
> changes v3 -> v4:
> - introduced new pci config helper functions.(clear set bit)
> - various clean up and some bug fixes.
> - dropped pci_shift_xxx().
> - dropped function pointerin pcie_aer.h
> - dropped pci_exp_cap(), pcie_aer_cap().
> - file rename (pcie_{root, upstream, downsatrem} => ioh33420, x3130).
> 
> changes v2 -> v3:
> - msi: improved commant and simplified shift/ffs dance
> - pci w1c config register framework
> - split pcie.[ch] into pcie_regs.h, pcie.[ch] and pcie_aer.[ch]
> - pcie, aer: many changes by following reviews.
> 
> changes v1 -> v2:
> - update msi
> - dropped already pushed out patches.
> - added msix patches.
> 
> Isaku Yamahata (8):
>   pci: revise pci command register initialization
>   pci: fix accesses to pci status register

I dropped these for now. Maybe for AER
we'll need a small patch to make SERR enable
writeable + a compatibility flag set in
machine description for 0.13 and back?
If yes let's do just this, leave IO/MEMORY alone.

>   pci: clean up of pci status register

Applied a minimal subset for AER.

>   pcie_regs.h: more constants

Applied after fixing up the comment.

>   pcie/aer: helper functions for pcie aer capability

Applied, added cleanup patches on top to remove recursion

>   ioh3420: support aer
>   x3130/upstream: support aer
>   x3130/downstream: support aer.

Applied.

> 
>  Makefile.objs           |    2 +-
>  hw/ioh3420.c            |   80 ++++-
>  hw/pci.c                |  120 +++++++-
>  hw/pcie.h               |   14 +
>  hw/pcie_aer.c           |  827 +++++++++++++++++++++++++++++++++++++++++++++++
>  hw/pcie_aer.h           |  106 ++++++
>  hw/pcie_regs.h          |    2 +
>  hw/xio3130_downstream.c |   43 ++-
>  hw/xio3130_upstream.c   |   33 ++-
>  qemu-common.h           |    3 +
>  10 files changed, 1189 insertions(+), 41 deletions(-)
>  create mode 100644 hw/pcie_aer.c
>  create mode 100644 hw/pcie_aer.h