/*
* 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/bar.h>
#include <subdev/fb.h>
#include <nvif/class .h>
#include <nvif/if500b.h>
#include <nvif/if500d.h>
#include <nvif/unpack.h>
int
nv50_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
{
struct nv50_vmm_map_v0 uvmm = {};
union {
struct nv50_mem_map_vn vn;
struct nv50_mem_map_v0 v0;
} *args = argv;
struct nvkm_device *device = mmu->subdev.device;
struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device);
u64 size = nvkm_memory_size(memory);
int ret = -ENOSYS;
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0 , 0 , false ))) {
uvmm.ro = args->v0.ro;
uvmm.kind = args->v0.kind;
uvmm.comp = args->v0.comp;
} else
if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
} else
return ret;
ret = nvkm_vmm_get(bar, 12 , size, pvma);
if (ret)
return ret;
*paddr = device->func->resource_addr(device, NVKM_BAR1_FB) + (*pvma)->addr;
*psize = (*pvma)->size;
return nvkm_memory_map(memory, 0 , bar, *pvma, &uvmm, sizeof (uvmm));
}
int
nv50_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
void *argv, u32 argc, struct nvkm_memory **pmemory)
{
union {
struct nv50_mem_vn vn;
struct nv50_mem_v0 v0;
} *args = argv;
int ret = -ENOSYS;
bool contig;
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0 , 0 , false ))) {
type = args->v0.bankswz ? 0 x02 : 0 x01;
contig = args->v0.contig;
} else
if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
type = 0 x01;
contig = false ;
} else
return -ENOSYS;
return nvkm_ram_get(mmu->subdev.device, NVKM_RAM_MM_NORMAL, type,
page, size, contig, false , pmemory);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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