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/*
* 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"
#include <nvif/ifb00d.h>
#include <nvif/unpack.h>
static void
gm200_vmm_pgt_sparse(struct nvkm_vmm *vmm,
struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)
{
/* VALID_FALSE + VOL tells the MMU to treat the PTE as sparse. */
VMM_FO064(pt, vmm, ptei * 8, BIT_ULL(32) /* VOL. */, ptes);
}
static const struct nvkm_vmm_desc_func
gm200_vmm_spt = {
.unmap = gf100_vmm_pgt_unmap,
.sparse = gm200_vmm_pgt_sparse,
.mem = gf100_vmm_pgt_mem,
.dma = gf100_vmm_pgt_dma,
.sgl = gf100_vmm_pgt_sgl,
};
static const struct nvkm_vmm_desc_func
gm200_vmm_lpt = {
.invalid = gk104_vmm_lpt_invalid,
.unmap = gf100_vmm_pgt_unmap,
.sparse = gm200_vmm_pgt_sparse,
.mem = gf100_vmm_pgt_mem,
};
static void
gm200_vmm_pgd_sparse(struct nvkm_vmm *vmm,
struct nvkm_mmu_pt *pt, u32 pdei, u32 pdes)
{
/* VALID_FALSE + VOL_BIG tells the MMU to treat the PDE as sparse. */
VMM_FO064(pt, vmm, pdei * 8, BIT_ULL(35) /* VOL_BIG. */, pdes);
}
static const struct nvkm_vmm_desc_func
gm200_vmm_pgd = {
.unmap = gf100_vmm_pgt_unmap,
.sparse = gm200_vmm_pgd_sparse,
.pde = gf100_vmm_pgd_pde,
};
const struct nvkm_vmm_desc
gm200_vmm_desc_17_12[] = {
{ SPT, 15, 8, 0x1000, &gm200_vmm_spt },
{ PGD, 13, 8, 0x1000, &gm200_vmm_pgd },
{}
};
const struct nvkm_vmm_desc
gm200_vmm_desc_17_17[] = {
{ LPT, 10, 8, 0x1000, &gm200_vmm_lpt },
{ PGD, 13, 8, 0x1000, &gm200_vmm_pgd },
{}
};
const struct nvkm_vmm_desc
gm200_vmm_desc_16_12[] = {
{ SPT, 14, 8, 0x1000, &gm200_vmm_spt },
{ PGD, 14, 8, 0x1000, &gm200_vmm_pgd },
{}
};
const struct nvkm_vmm_desc
gm200_vmm_desc_16_16[] = {
{ LPT, 10, 8, 0x1000, &gm200_vmm_lpt },
{ PGD, 14, 8, 0x1000, &gm200_vmm_pgd },
{}
};
int
gm200_vmm_join_(struct nvkm_vmm *vmm, struct nvkm_memory *inst, u64 base)
{
if (vmm->func->page[1].shift == 16)
base |= BIT_ULL(11);
return gf100_vmm_join_(vmm, inst, base);
}
int
gm200_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
{
return gm200_vmm_join_(vmm, inst, 0);
}
static const struct nvkm_vmm_func
gm200_vmm_17 = {
.join = gm200_vmm_join,
.part = gf100_vmm_part,
.aper = gf100_vmm_aper,
.valid = gf100_vmm_valid,
.flush = gf100_vmm_flush,
.page = {
{ 27, &gm200_vmm_desc_17_17[1], NVKM_VMM_PAGE_Sxxx },
{ 17, &gm200_vmm_desc_17_17[0], NVKM_VMM_PAGE_SVxC },
{ 12, &gm200_vmm_desc_17_12[0], NVKM_VMM_PAGE_SVHx },
{}
}
};
static const struct nvkm_vmm_func
gm200_vmm_16 = {
.join = gm200_vmm_join,
.part = gf100_vmm_part,
.aper = gf100_vmm_aper,
.valid = gf100_vmm_valid,
.flush = gf100_vmm_flush,
.page = {
{ 27, &gm200_vmm_desc_16_16[1], NVKM_VMM_PAGE_Sxxx },
{ 16, &gm200_vmm_desc_16_16[0], NVKM_VMM_PAGE_SVxC },
{ 12, &gm200_vmm_desc_16_12[0], NVKM_VMM_PAGE_SVHx },
{}
}
};
int
gm200_vmm_new_(const struct nvkm_vmm_func *func_16,
const struct nvkm_vmm_func *func_17,
struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
struct lock_class_key *key, const char *name,
struct nvkm_vmm **pvmm)
{
const struct nvkm_vmm_func *func;
union {
struct gm200_vmm_vn vn;
struct gm200_vmm_v0 v0;
} *args = argv;
int ret = -ENOSYS;
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
switch (args->v0.bigpage) {
case 16: func = func_16; break;
case 17: func = func_17; break;
default:
return -EINVAL;
}
} else
if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
func = func_17;
} else
return ret;
return nvkm_vmm_new_(func, mmu, 0, addr, size, key, name, pvmm);
}
int
gm200_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
struct lock_class_key *key, const char *name,
struct nvkm_vmm **pvmm)
{
return gm200_vmm_new_(&gm200_vmm_16, &gm200_vmm_17, mmu, addr,
size, argv, argc, key, name, pvmm);
}
int
gm200_vmm_new_fixed(struct nvkm_mmu *mmu, u64 addr, u64 size,
void *argv, u32 argc, struct lock_class_key *key,
const char *name, struct nvkm_vmm **pvmm)
{
return gf100_vmm_new_(&gm200_vmm_16, &gm200_vmm_17, mmu, addr,
size, argv, argc, key, name, pvmm);
}
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