ARM: PCI: implement virtual PCI host controller
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- v1 Latest2 of 3 patches 0 repliesNew
2 of 3 patches are in this archive. The cover letter announces 3.
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | ARM: bios32: use pci_enable_resource to enable PCI resources | +0 | 1 reply | |
| 2/3 | PCI: ARM: add support for virtual PCI host controller | +0 | 0 replies |
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Cover letter [PATCH 0/3] ARM: PCI: implement virtual PCI host controller
Quoted 10 lines · Will Deacon
Hello,
This small set of patches brings PCI support to mach-virt based upon an idealised host controller (see patch 2 for more details).
This has been tested with kvmtool, for which I have a corresponding set of patches which you can find in my kvmtool/pci branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git
Quoted 7 lines
Once the arm64 PCI patches from Liviu have stabilised, I plan to port this host controller to work there as well.
The main issue I can see with this code is how to describe configuration space in the device-tree. I'm following the ePAPR PCI bindings (SS == 0) , but this adds an ugly 'case 0:' line in the pci range parser, which also exists in mainline for the
pcie-designware.cdriver.
There was a long discussion about this (especially 2/3), and I didn't follow it closely enough to get the resolution, and I don't think I picked up the patches.
Can you post them again if they're still applicable?
Thanks,
Bjorn