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Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9
From: |
Alex Williamson |
Subject: |
Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough |
Date: |
Thu, 14 Feb 2019 16:37:43 -0700 |
On Thu, 14 Feb 2019 16:21:40 +1100
Alexey Kardashevskiy <address@hidden> wrote:
> This is for passing through NVIDIA V100 GPUs on POWER9 systems.
>
> This implements a subdriver for NVIDIA V100 GPU with coherent memory and
> NPU/ATS support available in the POWER9 CPU.
>
> 1/4 is a preparation for bigger DMA windows.
> 2/4 is a small cleanup.
>
> Here is the kernel driver:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/vfio/pci?h=v5.0-rc6&id=7f92891778dff62303c070ac81de7b7d80de331a
>
> SLOF changes already went in.
>
> This depends on "pci: Move NVIDIA vendor id to the rest of ids" (posted
> separately).
TBH, I'm not sure it was the best idea to let it live or die on it's
own when it now creates a build dependency for this series.
> This is based on sha1
> 1ea6057 Mark Cave-Ayland "mac_newworld: change default NIC to sungem for
> mac99 machine".
Perhaps this is why it doesn't apply cleanly against qemu.git. Are
there dependencies we need to wait for in the ppc tree as well?
> Please comment. Thanks.
Besides the build dependency on PCI_VENDOR_ID_NVIDIA, I also get this:
.../qemu.git/hw/vfio/spapr.c: In function ‘vfio_spapr_create_window’:
.../qemu.git/hw/vfio/spapr.c:212:9: error: ‘ret’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
error_report("Failed to create a window, ret = %d (%m)", ret);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Is this series expected to go in through the ppc branch given the bulk
of the changes are there? Thanks,
Alex
- [Qemu-ppc] [PATCH qemu v2 4/4] spapr: Support NVIDIA V100 GPU with NVLink2, (continued)
[Qemu-ppc] [PATCH qemu v2 2/4] vfio/spapr: Rename local systempagesize variable, Alexey Kardashevskiy, 2019/02/14
Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough,
Alex Williamson <=
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, Alexey Kardashevskiy, 2019/02/14
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, David Gibson, 2019/02/14
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, Alexey Kardashevskiy, 2019/02/14
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, David Gibson, 2019/02/14
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, Alexey Kardashevskiy, 2019/02/14
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, David Gibson, 2019/02/15
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, Alexey Kardashevskiy, 2019/02/25
- Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, David Gibson, 2019/02/27
Re: [Qemu-ppc] [PATCH qemu v2 0/4] spapr_pci, vfio: NVIDIA V100 + POWER9 passthrough, David Gibson, 2019/02/14