xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmmcp77.c (revision 597473720f4dc69749542bfcfed4a927a43d935e)

/*
 * 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"

static const struct nvkm_vmm_func
mcp77_vmm = {
	.join = nv50_vmm_join,
	.part = nv50_vmm_part,
	.valid = nv50_vmm_valid,
	.flush = nv50_vmm_flush,
	.page_block = 1 << 29,
	.page = {
		{ 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxx },
		{ 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
		{}
	}
};

int
mcp77_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
	      void *argv, u32 argc, struct lock_class_key *key,
	      const char *name, struct nvkm_vmm **pvmm)
{
	return nv04_vmm_new_(&mcp77_vmm, mmu, 0, managed, addr, size,
			     argv, argc, key, name, pvmm);
}