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To: Anatoly Burakov <anatoly.burakov@intel.com>
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From: Shreyansh Jain <shreyansh.jain@nxp.com>
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Subject: Re: [dpdk-dev] [PATCH] vfio: fix compile on older kernels
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Super trivial comment inline:
On Tuesday 21 March 2017 09:38 PM, Anatoly Burakov wrote:
> From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
>
> Fixing compile failures for kernels without sPAPR IOMMU support.
>
> Fixes: 0fe9830b5345 ("eal/ppc: support sPAPR IOMMU for vfio-pci")
> Signed-off-by: Burakov, Anatoly <anatoly.burakov@intel.com>
> ---
> lib/librte_eal/linuxapp/eal/eal_vfio.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
> index ac31a4f..58b7976 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
> +++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
> @@ -59,6 +59,7 @@
> #define VFIO_IOMMU_SPAPR_REGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 17)
> #define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 19)
> #define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20)
> +#define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
I guess a new line should be added here and ...
> struct vfio_iommu_spapr_register_memory {
> uint32_t argsz;
> uint32_t flags;
> @@ -75,6 +76,18 @@ struct vfio_iommu_spapr_tce_remove {
> uint32_t argsz;
> uint64_t start_addr;
> };
and here...
> +struct vfio_iommu_spapr_tce_ddw_info {
> + uint64_t pgsizes;
> + uint32_t max_dynamic_windows_supported;
> + uint32_t levels;
> +};
and here.
> +struct vfio_iommu_spapr_tce_info {
> + uint32_t argsz;
> + uint32_t flags;
> + uint32_t dma32_window_start;
> + uint32_t dma32_window_size;
> + struct vfio_iommu_spapr_tce_ddw_info ddw;
> +};
> #else
> #define RTE_VFIO_SPAPR VFIO_SPAPR_TCE_v2_IOMMU
> #endif
>