On 10/6/2017 8:28 AM, Bernard Metzler wrote:
.
.
.
+
+static int siw_dma_generic_mapping_error(struct device *dev,
+ dma_addr_t dma_addr)
+{
+ return dma_addr == 0;
+}
+
+static int siw_dma_generic_supported(struct device *dev, u64 mask)
+{
+ return 1;
+}
+
+const struct dma_map_ops siw_dma_generic_ops = {
+ .alloc = siw_dma_generic_alloc,
+ .free = siw_dma_generic_free,
+ .map_page = siw_dma_generic_map_page,
+ .unmap_page = siw_dma_generic_unmap_page,
+ .map_sg = siw_dma_generic_map_sg,
+ .unmap_sg = siw_dma_generic_unmap_sg,
+ .sync_single_for_cpu = siw_generic_sync_single_for_cpu,
+ .sync_single_for_device = siw_generic_sync_single_for_device,
+ .sync_sg_for_cpu = siw_generic_sync_sg_for_cpu,
+ .sync_sg_for_device = siw_generic_sync_sg_for_device,
+ .mapping_error = siw_dma_generic_mapping_error,
+ .dma_supported = siw_dma_generic_supported,
+ .is_phys = 1
+};
Not sure you need this stuff. Check out this patch:
0bbb3b7496ea ("IB/rxe, IB/rdmavt: Use dma_virt_ops instead of
duplicating it"
-Denny
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