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Message-ID: <CACGkMEtF7hZ8kGYi8rF68SzZqdYJ6i1SeuVU2hiBTY-FLapSBw@mail.gmail.com> Date: Sun, 8 Oct 2023 12:37:00 +0800 From: Jason Wang <jasowang@...hat.com> To: liming.wu@...uarmicro.com Cc: "Michael S . Tsirkin" <mst@...hat.com>, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 398776277@...com Subject: Re: [PATCH 1/2] tools/virtio: Add dma sync api for virtio test On Tue, Sep 26, 2023 at 1:00 PM <liming.wu@...uarmicro.com> wrote: > > From: Liming Wu <liming.wu@...uarmicro.com> > > Fixes: 8bd2f71054bd ("virtio_ring: introduce dma sync api for virtqueue") > also add dma sync api for virtio test. > > Signed-off-by: Liming Wu <liming.wu@...uarmicro.com> Acked-by: Jason Wang <jasowang@...hat.com> Thanks > --- > tools/virtio/linux/dma-mapping.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h > index 834a90bd3270..822ecaa8e4df 100644 > --- a/tools/virtio/linux/dma-mapping.h > +++ b/tools/virtio/linux/dma-mapping.h > @@ -24,11 +24,23 @@ enum dma_data_direction { > #define dma_map_page(d, p, o, s, dir) (page_to_phys(p) + (o)) > > #define dma_map_single(d, p, s, dir) (virt_to_phys(p)) > +#define dma_map_single_attrs(d, p, s, dir, a) (virt_to_phys(p)) > #define dma_mapping_error(...) (0) > > #define dma_unmap_single(d, a, s, r) do { (void)(d); (void)(a); (void)(s); (void)(r); } while (0) > #define dma_unmap_page(d, a, s, r) do { (void)(d); (void)(a); (void)(s); (void)(r); } while (0) > > +#define sg_dma_address(sg) (0) > +#define dma_need_sync(v, a) (0) > +#define dma_unmap_single_attrs(d, a, s, r, t) do { \ > + (void)(d); (void)(a); (void)(s); (void)(r); (void)(t); \ > +} while (0) > +#define dma_sync_single_range_for_cpu(d, a, o, s, r) do { \ > + (void)(d); (void)(a); (void)(o); (void)(s); (void)(r); \ > +} while (0) > +#define dma_sync_single_range_for_device(d, a, o, s, r) do { \ > + (void)(d); (void)(a); (void)(o); (void)(s); (void)(r); \ > +} while (0) > #define dma_max_mapping_size(...) SIZE_MAX > > #endif > -- > 2.34.1 >
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