Make bus_dmamem_alloc_range(9) API available.

ok patrick@, deraadt@, phessler@

diff --git a/sys/arch/arm64/dev/mainbus.c b/sys/arch/arm64/dev/mainbus.c
index 72417c2..8378659 100644 (file)
--- a/sys/arch/arm64/dev/mainbus.c
+++ b/sys/arch/arm64/dev/mainbus.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mainbus.c,v 1.23 2023/01/16 20:07:48 patrick Exp $ */
+/* $OpenBSD: mainbus.c,v 1.24 2023/01/21 10:30:11 kettenis Exp $ */
 /*
  * Copyright (c) 2016 Patrick Wildt <patrick@blueri.se>
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
@@ -80,6 +80,7 @@ struct machine_bus_dma_tag mainbus_dma_tag = {
        _dmamap_unload,
        _dmamap_sync,
        _dmamem_alloc,
+       _dmamem_alloc_range,
        _dmamem_free,
        _dmamem_map,
        _dmamem_unmap,

diff --git a/sys/arch/arm64/include/bus.h b/sys/arch/arm64/include/bus.h
index 092a486..49b5e42 100644 (file)
--- a/sys/arch/arm64/include/bus.h
+++ b/sys/arch/arm64/include/bus.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bus.h,v 1.8 2021/02/16 12:33:22 kettenis Exp $ */
+/* $OpenBSD: bus.h,v 1.9 2023/01/21 10:30:11 kettenis Exp $ */
 /*
  * Copyright (c) 2003-2004 Opsycon AB Sweden.  All rights reserved.
  *
@@ -400,6 +400,9 @@ struct machine_bus_dma_tag {
         */
        int     (*_dmamem_alloc)(bus_dma_tag_t, bus_size_t, bus_size_t,
                    bus_size_t, bus_dma_segment_t *, int, int *, int);
+       int     (*_dmamem_alloc_range)(bus_dma_tag_t, bus_size_t, bus_size_t,
+                   bus_size_t, bus_dma_segment_t *, int, int *, int,
+                   bus_addr_t, bus_addr_t);
        void    (*_dmamem_free)(bus_dma_tag_t, bus_dma_segment_t *, int);
        int     (*_dmamem_map)(bus_dma_tag_t, bus_dma_segment_t *,
                    int, size_t, caddr_t *, int);
@@ -433,6 +436,9 @@ struct machine_bus_dma_tag {
 
 #define        bus_dmamem_alloc(t, s, a, b, sg, n, r, f)               \
        (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
+#define        bus_dmamem_alloc_range(t, s, a, b, sg, n, r, f, l, h)   \
+       (*(t)->_dmamem_alloc_range)((t), (s), (a), (b), (sg),   \
+               (n), (r), (f), (l), (h))
 #define        bus_dmamem_free(t, sg, n)                               \
        (*(t)->_dmamem_free)((t), (sg), (n))
 #define        bus_dmamem_map(t, sg, n, s, k, f)                       \