[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / nouveau / nvkm / subdev / mmu / gp100.c

/*
 * Copyright 2017 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "vmm.h"

#include <core/option.h>

#include <nvif/class.h>

static const struct nvkm_mmu_func
gp100_mmu = {
	.limit = (1ULL << 49),
	.dma_bits = 47,
	.lpg_shift = 16,
	.vmm = {{ -1, -1, NVIF_CLASS_VMM_GP100}, gp100_vmm_new },
	.kind = gm200_mmu_kind,
	.kind_sys = true,
};

int
gp100_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
{
	if (!nvkm_boolopt(device->cfgopt, "GP100MmuLayout", true))
		return gm200_mmu_new(device, index, pmmu);
	return nvkm_mmu_new_(&gp100_mmu, device, index, pmmu);
}
Commit	Line	Data
b86a4587 BS	1	/*
	2	* Copyright 2017 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*/
8e39abff BS	22	#include "vmm.h"
	23
	24	#include <core/option.h>
	25
	26	#include <nvif/class.h>
b86a4587 BS	27
	28	static const struct nvkm_mmu_func
	29	gp100_mmu = {
8e39abff BS	30	.limit = (1ULL << 49),
	31	.dma_bits = 47,
	32	.lpg_shift = 16,
	33	.vmm = {{ -1, -1, NVIF_CLASS_VMM_GP100}, gp100_vmm_new },
f9400afb	34	.kind = gm200_mmu_kind,
51645eb7	35	.kind_sys = true,
b86a4587 BS	36	};
	37
	38	int
	39	gp100_mmu_new(struct nvkm_device device, int index, struct nvkm_mmu *pmmu)
	40	{
f9400afb	41	if (!nvkm_boolopt(device->cfgopt, "GP100MmuLayout", true))
8e39abff	42	return gm200_mmu_new(device, index, pmmu);
b86a4587 BS	43	return nvkm_mmu_new_(&gp100_mmu, device, index, pmmu);
b86a4587 BS	44	}