[dpdk-stable] [PATCH 16.11 1/2] vfio: fix build on old kernel
Burakov, Anatoly
anatoly.burakov at intel.com
Fri Nov 23 10:26:34 CET 2018
On 21-Nov-18 4:48 PM, Luca Boccassi wrote:
> From: Anatoly Burakov <anatoly.burakov at intel.com>
>
> [ backported from upstream commit 468f42cc264580c078b892fe6886810fe996a75f ]
>
> Fixing compile failures for kernels without sPAPR IOMMU support.
>
> Fixes: 0fe9830b5345 ("eal/ppc: support sPAPR IOMMU for vfio-pci")
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
> ---
> lib/librte_eal/linuxapp/eal/eal_vfio.h | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
> index ac31a4fc1..0bf85bb59 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
> +++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
> @@ -59,22 +59,44 @@
> #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)
> +
> +/* SPAPR_v2 is not present, but SPAPR might be */
> +#ifndef VFIO_SPAPR_TCE_IOMMU
> +#define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
> +
> +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;
> +};
> +#endif
> +
> struct vfio_iommu_spapr_register_memory {
> uint32_t argsz;
> uint32_t flags;
> uint64_t vaddr;
> uint64_t size;
> };
> +
> struct vfio_iommu_spapr_tce_create {
> uint32_t argsz;
> uint32_t page_shift;
> uint64_t window_size;
> uint32_t levels;
> };
> +
> struct vfio_iommu_spapr_tce_remove {
> uint32_t argsz;
> uint64_t start_addr;
> };
> +
> +struct vfio_iommu_spapr_tce_ddw_info {
> + uint64_t pgsizes;
> + uint32_t max_dynamic_windows_supported;
> + uint32_t levels;
> +};
> #else
> #define RTE_VFIO_SPAPR VFIO_SPAPR_TCE_v2_IOMMU
> #endif
>
Reviewed-by: Anatoly Burakov <anatoly.burakov at intel.com>
--
Thanks,
Anatoly
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