Thread (11 messages) 11 messages, 4 authors, 2023-10-09

Re: [PATCH 1/2] tools/virtio: Add dma sync api for virtio test

From: Jason Wang <jasowang@redhat.com>
Date: 2023-10-08 04:38:00
Also in: kvm, lkml, virtualization

On Tue, Sep 26, 2023 at 1:00 PM [off-list ref] wrote:
From: Liming Wu <redacted>

Fixes: 8bd2f71054bd ("virtio_ring: introduce dma sync api for virtqueue")
also add dma sync api for virtio test.

Signed-off-by: Liming Wu <redacted>
Acked-by: Jason Wang <jasowang@redhat.com>

Thanks
quoted hunk ↗ jump to hunk
---
 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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