/*
* Copyright 2018 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 <subdev/timer.h>
void
tu102_vmm_flush(struct nvkm_vmm *vmm, int depth)
{
struct nvkm_device *device = vmm->mmu->subdev.device;
u32 type = 0 ;
type |= 0 x00000001; /* PAGE_ALL */
if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
type |= 0 x00000006; /* HUB_ONLY | ALL PDB (hack) */
mutex_lock(&vmm->mmu->mutex);
if (!vmm->rm.bar2_pdb)
nvkm_wr32(device, 0 xb830a0, vmm->pd->pt[0 ]->addr >> 8 );
else
nvkm_wr32(device, 0 xb830a0, vmm->rm.bar2_pdb >> 8 );
nvkm_wr32(device, 0 xb830a4, 0 x00000000);
nvkm_wr32(device, 0 xb830b0, 0 x80000000 | type);
nvkm_msec(device, 2000 ,
if (!(nvkm_rd32(device, 0 xb830b0) & 0 x80000000))
break ;
);
mutex_unlock(&vmm->mmu->mutex);
}
static const struct nvkm_vmm_func
tu102_vmm = {
.join = gv100_vmm_join,
.part = gf100_vmm_part,
.aper = gf100_vmm_aper,
.valid = gp100_vmm_valid,
.flush = tu102_vmm_flush,
.mthd = gp100_vmm_mthd,
.page = {
{ 47 , &gp100_vmm_desc_16[4 ], NVKM_VMM_PAGE_Sxxx },
{ 38 , &gp100_vmm_desc_16[3 ], NVKM_VMM_PAGE_Sxxx },
{ 29 , &gp100_vmm_desc_16[2 ], NVKM_VMM_PAGE_Sxxx },
{ 21 , &gp100_vmm_desc_16[1 ], NVKM_VMM_PAGE_SVxC },
{ 16 , &gp100_vmm_desc_16[0 ], NVKM_VMM_PAGE_SVxC },
{ 12 , &gp100_vmm_desc_12[0 ], NVKM_VMM_PAGE_SVHx },
{}
}
};
int
tu102_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 gp100_vmm_new_(&tu102_vmm, mmu, managed, addr, size,
argv, argc, key, name, pvmm);
}
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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