/*
* 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, NVKM_BAR1_FB) + addr;
*psize = nvkm_memory_size(memory);
*pvma = ERR_PTR(-ENODEV);
return 0 ;
}
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, 0 x01, page,
size, true , false , pmemory);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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