On Sat, Jun 06, 2015 at 01:47:40AM +0200, Laszlo Ersek wrote:
> The first 9 patches are uninteresting (although they certainly decimated
> my grey matter):
> 
> - Patch #1 copies PciHostBridgeDxe from PcAtChipsetPkg to OvmfPkg. I
>   paid attention and passed the --find-copies-harder option to
>   git-format-patch, hence reviewers should be able to spot the minimal
>   differences easily.
> 
> - Patches #2 to #9 reformat the copied driver's source code so that it
>   is actually possible to work with it. Trailing whitespace is stripped,
>   overlong lines are rewrapped to 79 characters. This was suprisingly
>   difficult because the original code consistently uses 130-148 columns.
> 
>   Rather than dump the reformatting into one huge patch, I broke it up
>   in order to help reviewers, generally keeping comment reformatting
>   separate from code reformatting. These patches are responsible for the
>   bulk of the diffstat.
> 
> This half of the series would actually apply to
> PcAtChipsetPkg/PciHostBridgeDxe itself, and it would be possible to
> clone the driver for OvmfPkg only at the end of the first half.
> 
> The other half of the series is more interesting:
> 
> - Patches #10 to #12 tweak PlatformBdsLib in preparation for multiple
>   root buses. For these:
> 
> Cc: Gabriel Somlo <so...@cmu.edu>

Patches #10 and #11:
Acked-by: Gabriel Somlo <so...@cmu.edu>

Entire series:
Tested-by: Gabriel Somlo <so...@cmu.edu>
(with OOT sata patches, on pc and q35 machine types, with yosemite and
Fedora 21 live, boots and runs same as before, no additional/specific
torture tests).

Thanks,
--Gabriel

> 
> - Patches #13 to #19 clean up the cloned PciHostBridgeDxe, eliminating
>   the nominal (never used) multi-host-bridge bits, and fixing bugs in
>   the (until now unused, but soon to be exercised) multi-root-bridge
>   bits. At the end of this subset, "single host bridge" will be a
>   hard-coded trait, and "several root bridges" will be an actual
>   possibility.
> 
> - Patch #20 detects the extra root buses with a brute-force scan,
>   creating root bridge protocol instances in turn. The feature is
>   functionally complete after this patch.
> 
> - Patch #21 constrains the search based on fw_cfg, omitting it if QEMU
>   doesn't expose the number of extra root buses in fw_cfg, and
>   terminating the search ASAP otherwise.
> 
> Public branch:
> https://github.com/lersek/edk2/commits/multiple_root_bridges_bz1193080
> 
> Laszlo Ersek (21):
>   OvmfPkg: clone PciHostBridgeDxe from PcAtChipsetPkg
>   OvmfPkg: PciHostBridgeDxe: rewrap IoFifo source files to 79 columns
>   OvmfPkg: PciHostBridgeDxe: rewrap INF file to 79 columns
>   OvmfPkg/PciHostBridgeDxe/PciHostBridge.h: rewrap comments to 79
>     columns
>   OvmfPkg/PciHostBridgeDxe/PciHostBridge.h: strip trailing ws from code
>   OvmfPkg/PciHostBridgeDxe/PciHostBridge.c: rewrap leading comments
>   OvmfPkg/PciHostBridgeDxe/PciHostBridge.c: rewrap code, strip trailing
>     ws
>   OvmfPkg/PciHostBridgeDxe/PciRootBridgeIo.c: rewrap leading comments
>   OvmfPkg/PciHostBridgeDxe/PciRootBridgeIo.c: rewrap code, strip
>     trailing ws
>   OvmfPkg: PlatformBdsLib: debug log interrupt line assignments
>   OvmfPkg: PlatformBdsLib: refine PCI host bridge assertion
>   OvmfPkg: PlatformBdsLib: connect all PCI root buses
>   OvmfPkg: PciHostBridgeDxe: eliminate nominal support for multiple host
>     bridges
>   OvmfPkg: PciHostBridgeDxe: kill RootBridgeNumber and
>     RootBridgeAttribute
>   OvmfPkg: PciHostBridgeDxe: embed device path in private root bridge
>     struct
>   OvmfPkg: PciHostBridgeDxe: factor out InitRootBridge() function
>   OvmfPkg: PciHostBridgeDxe: release resources on driver entry failure
>   OvmfPkg: PciHostBridgeDxe: use private buffer in
>     RootBridgeIoConfiguration()
>   OvmfPkg: PciHostBridgeDxe: eliminate
>     PCI_HOST_BRIDGE_INSTANCE.RootBridgeNumber
>   OvmfPkg: PciHostBridgeDxe: look for all root buses
>   OvmfPkg: PciHostBridgeDxe: shorten search for extra root buses
> 
>  OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf                 |    2 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/PciHostBridgeDxe.inf |   21 +-
>  OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h                      |   25 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/IoFifo.h             |   11 +-
>  OvmfPkg/PciHostBridgeDxe/PciHostBridge.h                          |  651 
> +++++
>  OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c                      |   82 +-
>  OvmfPkg/Library/PlatformBdsLib/PlatformData.c                     |   13 -
>  OvmfPkg/PciHostBridgeDxe/PciHostBridge.c                          | 1551 
> ++++++++++++
>  OvmfPkg/PciHostBridgeDxe/PciRootBridgeIo.c                        | 2628 
> ++++++++++++++++++++
>  OvmfPkg/OvmfPkgIa32.dsc                                           |    2 +-
>  OvmfPkg/OvmfPkgIa32.fdf                                           |    2 +-
>  OvmfPkg/OvmfPkgIa32X64.dsc                                        |    2 +-
>  OvmfPkg/OvmfPkgIa32X64.fdf                                        |    2 +-
>  OvmfPkg/OvmfPkgX64.dsc                                            |    2 +-
>  OvmfPkg/OvmfPkgX64.fdf                                            |    2 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/Ia32/IoFifo.S        |    7 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/Ia32/IoFifo.asm      |    7 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/X64/IoFifo.S         |    7 +-
>  {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/X64/IoFifo.asm       |    7 +-
>  19 files changed, 4915 insertions(+), 109 deletions(-)
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/PciHostBridgeDxe.inf (72%)
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/IoFifo.h (91%)
>  create mode 100644 OvmfPkg/PciHostBridgeDxe/PciHostBridge.h
>  create mode 100644 OvmfPkg/PciHostBridgeDxe/PciHostBridge.c
>  create mode 100644 OvmfPkg/PciHostBridgeDxe/PciRootBridgeIo.c
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/Ia32/IoFifo.S (90%)
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/Ia32/IoFifo.asm (90%)
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/X64/IoFifo.S (92%)
>  copy {PcAtChipsetPkg => OvmfPkg}/PciHostBridgeDxe/X64/IoFifo.asm (91%)
> 
> -- 
> 1.8.3.1
> 

------------------------------------------------------------------------------
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/edk2-devel

Reply via email to