Release 4.17 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.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 "mem.h"
#include <core/memory.h>
#include <subdev/fb.h>
#include <nvif/if000b.h>
#include <nvif/unpack.h>
int
nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
{
union {
struct nv04_mem_map_vn vn;
} *args = argv;
struct nvkm_device *device = mmu->subdev.device;
const u64 addr = nvkm_memory_addr(memory);
int ret = -ENOSYS;
if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
return ret;
*paddr = device->func->resource_addr(device, 1) + addr;
*psize = nvkm_memory_size(memory);
*pvma = ERR_PTR(-ENODEV);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 134 | 100.00% | 1 | 100.00% |
| Total | 134 | 100.00% | 1 | 100.00% |
int
nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
void *argv, u32 argc, struct nvkm_memory **pmemory)
{
union {
struct nv04_mem_vn vn;
} *args = argv;
int ret = -ENOSYS;
if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
return ret;
if (mmu->type[type].type & NVKM_MEM_MAPPABLE)
type = NVKM_RAM_MM_NORMAL;
else
type = NVKM_RAM_MM_NOMAP;
return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,
size, true, false, pmemory);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 120 | 100.00% | 1 | 100.00% |
| Total | 120 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 270 | 100.00% | 1 | 100.00% |
| Total | 270 | 100.00% | 1 | 100.00% |
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