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Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support
From: |
Andrea Bolognani |
Subject: |
Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V |
Date: |
Wed, 10 Oct 2018 14:26:21 +0200 |
On Thu, 2018-10-04 at 20:06 +0000, Alistair Francis wrote:
> Alistair Francis (5):
> hw/riscv/virt: Increase the number of interrupts
> hw/riscv/virt: Connect the gpex PCIe
> riscv: Enable VGA and PCIE_VGA
> hw/riscv/sifive_u: Connect the Xilinx PCIe
> hw/riscv/virt: Connect a VirtIO net PCIe device
>
> default-configs/riscv32-softmmu.mak | 10 +++-
> default-configs/riscv64-softmmu.mak | 10 +++-
> hw/riscv/sifive_u.c | 64 +++++++++++++++++++++++++
> hw/riscv/virt.c | 72 +++++++++++++++++++++++++++++
> include/hw/riscv/sifive_u.h | 4 +-
> include/hw/riscv/virt.h | 6 ++-
> 6 files changed, 161 insertions(+), 5 deletions(-)
I gave v4 a try a few weeks ago because I wanted to see what would
be needed to wire this up on the libvirt side. Turns out, not much
really :)
I still have a couple of questions that hopefully you'll be able
to answer:
* what should libvirt look for to figure out whether or not a RISC-V
guest will have PCI support? For aarch64 we look for the presence
of the 'gpex-pcihost' device, but of course that won't work for
RISC-V so we need something else;
* I have succesfully started a RISC-V guest with virtio-pci devices
attached but, while they show up in 'info qtree' and friends, the
guest OS itself doesn't seem to recognize any of them - not even
pcie.0! I'm using the guest images listed at [1] and following the
corresponding instructions, but I think the BBL build (config at
[2]) is missing some feature... Any ideas what we would need to
add there?
If you can help with these I'll give the patches another spin and
gladly provide my Tested-by :)
[1] https://fedoraproject.org/wiki/Architectures/RISC-V/Installing
[2] https://github.com/rwmjones/fedora-riscv-kernel/blob/master/config
--
Andrea Bolognani / Red Hat / Virtualization
- [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Alistair Francis, 2018/10/04
- [Qemu-devel] [PATCH v5 1/5] hw/riscv/virt: Increase the number of interrupts, Alistair Francis, 2018/10/04
- [Qemu-devel] [PATCH v5 2/5] hw/riscv/virt: Connect the gpex PCIe, Alistair Francis, 2018/10/04
- [Qemu-devel] [PATCH v5 3/5] riscv: Enable VGA and PCIE_VGA, Alistair Francis, 2018/10/04
- [Qemu-devel] [PATCH v5 4/5] hw/riscv/sifive_u: Connect the Xilinx PCIe, Alistair Francis, 2018/10/04
- [Qemu-devel] [PATCH v5 5/5] hw/riscv/virt: Connect a VirtIO net PCIe device, Alistair Francis, 2018/10/04
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V,
Andrea Bolognani <=
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Stephen Bates, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Andrea Bolognani, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Stephen Bates, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Stephen Bates, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Alistair, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Stephen Bates, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Alistair, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Andrea Bolognani, 2018/10/11
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Stephen Bates, 2018/10/10
- Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V, Alistair, 2018/10/10