|
| From: | Scott Wood |
| Subject: | Re: [Qemu-devel] [PATCH 2/2] vfio-powerpc: added VFIO support |
| Date: | Tue, 10 Jul 2012 17:26:21 -0500 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 |
On 07/10/2012 12:51 AM, Alexey Kardashevskiy wrote:
> The patch enables VFIO on POWER.
>
> It literally does the following:
>
> 1. POWERPC IOMMU support (the kernel counterpart is required)
[snip]
> +/* -------- API for POWERPC IOMMU -------- */
> +
> +#define POWERPC_IOMMU 2
> +
> +struct tce_iommu_info {
> + __u32 argsz;
> + __u32 dma32_window_start;
> + __u32 dma32_window_size;
> +};
> +
> +#define POWERPC_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
Is there a more specific name that could be used for this? Not all
PowerPC chips have the same kind of IOMMU.
-Scott
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