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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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