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      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
     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