subdev/mmu/gp10b.c

0001 /*
0002  * Copyright 2017 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "mem.h"
0023 #include "vmm.h"
0024
0025 #include <core/option.h>
0026
0027 #include <nvif/class.h>
0028
0029 static const struct nvkm_mmu_func
0030 gp10b_mmu = {
0031     .dma_bits = 47,
0032     .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
0033     .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map },
0034     .vmm = {{ -1,  0, NVIF_CLASS_VMM_GP100}, gp10b_vmm_new },
0035     .kind = gm200_mmu_kind,
0036     .kind_sys = true,
0037 };
0038
0039 int
0040 gp10b_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0041           struct nvkm_mmu **pmmu)
0042 {
0043     if (!nvkm_boolopt(device->cfgopt, "GP100MmuLayout", true))
0044         return gm20b_mmu_new(device, type, inst, pmmu);
0045     return nvkm_mmu_new_(&gp10b_mmu, device, type, inst, pmmu);
0046 }