1 /* $NetBSD: nouveau_nvkm_subdev_mmu_gp10b.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $ */
2
3 /*
4 * Copyright 2017 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_gp10b.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $");
26
27 #include "mem.h"
28 #include "vmm.h"
29
30 #include <core/option.h>
31
32 #include <nvif/class.h>
33
34 static const struct nvkm_mmu_func
35 gp10b_mmu = {
36 .dma_bits = 47,
37 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
38 .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map },
39 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GP100}, gp10b_vmm_new },
40 .kind = gm200_mmu_kind,
41 .kind_sys = true,
42 };
43
44 int
gp10b_mmu_new(struct nvkm_device * device,int index,struct nvkm_mmu ** pmmu)45 gp10b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
46 {
47 if (!nvkm_boolopt(device->cfgopt, "GP100MmuLayout", true))
48 return gm20b_mmu_new(device, index, pmmu);
49 return nvkm_mmu_new_(&gp10b_mmu, device, index, pmmu);
50 }
51