55 	drm_dma_handle_t *dmah = arg;  in drm_pci_busdma_callback()  local
61 	dmah->busaddr = segs[0].ds_addr;  in drm_pci_busdma_callback()
70 	drm_dma_handle_t *dmah;  in drm_pci_alloc()  local
80 	dmah = malloc(sizeof(drm_dma_handle_t), DRM_MEM_DMA, M_ZERO | M_NOWAIT);  in drm_pci_alloc()
81 	if (dmah == NULL)  in drm_pci_alloc()
96 	    &dmah->tag);  in drm_pci_alloc()
98 		free(dmah, DRM_MEM_DMA);  in drm_pci_alloc()
102 	ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,  in drm_pci_alloc()
103 	    BUS_DMA_WAITOK | BUS_DMA_ZERO | BUS_DMA_NOCACHE, &dmah->map);  in drm_pci_alloc()
105 		bus_dma_tag_destroy(dmah->tag);  in drm_pci_alloc()
106 		free(dmah, DRM_MEM_DMA);  in drm_pci_alloc()
110 	ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr, size,  in drm_pci_alloc()
111 	    drm_pci_busdma_callback, dmah, BUS_DMA_NOWAIT);  in drm_pci_alloc()
113 		bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);  in drm_pci_alloc()
114 		bus_dma_tag_destroy(dmah->tag);  in drm_pci_alloc()
115 		free(dmah, DRM_MEM_DMA);  in drm_pci_alloc()
119 	return dmah;  in drm_pci_alloc()
129 void __drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)  in __drm_pci_free()  argument
131 	if (dmah == NULL)  in __drm_pci_free()
134 	bus_dmamap_unload(dmah->tag, dmah->map);  in __drm_pci_free()
135 	bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);  in __drm_pci_free()
136 	bus_dma_tag_destroy(dmah->tag);  in __drm_pci_free()
142 void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)  in drm_pci_free()  argument
144 	__drm_pci_free(dev, dmah);  in drm_pci_free()
145 	free(dmah, DRM_MEM_DMA);  in drm_pci_free()