From 5f300fed645597689f1e6fed8800fc7e3d01e212 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 1 Nov 2017 03:56:19 +1000 Subject: [PATCH] drm/nouveau/mmu/gm200,gm20b: implement vmm on top of new base Adds support for: - Per-VMM selection of big page size. - System-memory PDs. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvif/class.h | 1 + drivers/gpu/drm/nouveau/include/nvif/ifb00d.h | 14 ++ .../gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 2 + .../gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c | 25 ++- .../gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c | 25 ++- drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 23 +++ .../drm/nouveau/nvkm/subdev/mmu/vmmgm200.c | 151 ++++++++++++++++++ .../drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c | 64 ++++++++ 8 files changed, 303 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/nouveau/include/nvif/ifb00d.h create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h index df8d6a32d2dc..76dff0697f63 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/class.h +++ b/drivers/gpu/drm/nouveau/include/nvif/class.h @@ -18,6 +18,7 @@ #define NVIF_CLASS_VMM_NV04 /* if000d.h */ 0x8000000d #define NVIF_CLASS_VMM_NV50 /* if500d.h */ 0x8000500d #define NVIF_CLASS_VMM_GF100 /* if900d.h */ 0x8000900d +#define NVIF_CLASS_VMM_GM200 /* ifb00d.h */ 0x8000b00d /* the below match nvidia-assigned (either in hw, or sw) class numbers */ #define NV_NULL_CLASS 0x00000030 diff --git a/drivers/gpu/drm/nouveau/include/nvif/ifb00d.h b/drivers/gpu/drm/nouveau/include/nvif/ifb00d.h new file mode 100644 index 000000000000..2e1e99810361 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/ifb00d.h @@ -0,0 +1,14 @@ +#ifndef __NVIF_IFB00D_H__ +#define __NVIF_IFB00D_H__ +#include "if000c.h" + +struct gm200_vmm_vn { + /* nvif_vmm_vX ... */ +}; + +struct gm200_vmm_v0 { + /* nvif_vmm_vX ... */ + __u8 version; + __u8 bigpage; +}; +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild index e65daffff9bf..55963dc4dc41 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild @@ -20,3 +20,5 @@ nvkm-y += nvkm/subdev/mmu/vmmnv50.o nvkm-y += nvkm/subdev/mmu/vmmgf100.o nvkm-y += nvkm/subdev/mmu/vmmgk104.o nvkm-y += nvkm/subdev/mmu/vmmgk20a.o +nvkm-y += nvkm/subdev/mmu/vmmgm200.o +nvkm-y += nvkm/subdev/mmu/vmmgm20b.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c index 4bb342fa3d54..8d6be5b3e8e8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c @@ -19,7 +19,11 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ -#include "priv.h" +#include "vmm.h" + +#include + +#include static const struct nvkm_mmu_func gm200_mmu = { @@ -34,10 +38,29 @@ gm200_mmu = { .map_sg = gf100_vm_map_sg, .unmap = gf100_vm_unmap, .flush = gf100_vm_flush, + .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm200_vmm_new }, +}; + +static const struct nvkm_mmu_func +gm200_mmu_fixed = { + .limit = (1ULL << 40), + .dma_bits = 40, + .pgt_bits = 27 - 12, + .spg_shift = 12, + .lpg_shift = 17, + .create = gf100_vm_create, + .map_pgt = gf100_vm_map_pgt, + .map = gf100_vm_map, + .map_sg = gf100_vm_map_sg, + .unmap = gf100_vm_unmap, + .flush = gf100_vm_flush, + .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm200_vmm_new_fixed }, }; int gm200_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) { + if (device->fb->page) + return nvkm_mmu_new_(&gm200_mmu_fixed, device, index, pmmu); return nvkm_mmu_new_(&gm200_mmu, device, index, pmmu); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c index 06e49a9c8a9f..2894c7cbcdbb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c @@ -19,7 +19,11 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ -#include "priv.h" +#include "vmm.h" + +#include + +#include static const struct nvkm_mmu_func gm20b_mmu = { @@ -34,10 +38,29 @@ gm20b_mmu = { .map_sg = gf100_vm_map_sg, .unmap = gf100_vm_unmap, .flush = gf100_vm_flush, + .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new }, +}; + +static const struct nvkm_mmu_func +gm20b_mmu_fixed = { + .limit = (1ULL << 40), + .dma_bits = 40, + .pgt_bits = 27 - 12, + .spg_shift = 12, + .lpg_shift = 17, + .create = gf100_vm_create, + .map_pgt = gf100_vm_map_pgt, + .map = gf100_vm_map, + .map_sg = gf100_vm_map_sg, + .unmap = gf100_vm_unmap, + .flush = gf100_vm_flush, + .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new_fixed }, }; int gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) { + if (device->fb->page) + return nvkm_mmu_new_(&gm20b_mmu_fixed, device, index, pmmu); return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h index 914ae3f53cca..5cca1b449bdb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h @@ -73,6 +73,11 @@ extern const struct nvkm_vmm_desc gk104_vmm_desc_16_16[]; extern const struct nvkm_vmm_desc gk104_vmm_desc_17_12[]; extern const struct nvkm_vmm_desc gk104_vmm_desc_17_17[]; +extern const struct nvkm_vmm_desc gm200_vmm_desc_16_12[]; +extern const struct nvkm_vmm_desc gm200_vmm_desc_16_16[]; +extern const struct nvkm_vmm_desc gm200_vmm_desc_17_12[]; +extern const struct nvkm_vmm_desc gm200_vmm_desc_17_17[]; + struct nvkm_vmm_page { u8 shift; const struct nvkm_vmm_desc *desc; @@ -126,6 +131,12 @@ int gf100_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base); int gf100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *); void gf100_vmm_part(struct nvkm_vmm *, struct nvkm_memory *); +int gm200_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *, + struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, struct nvkm_vmm **); +int gm200_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base); +int gm200_vmm_join(struct nvkm_vmm *, struct nvkm_memory *); + int nv04_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); int nv41_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, @@ -142,4 +153,16 @@ int gk104_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); int gk20a_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); +int gm200_vmm_new_fixed(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, + struct nvkm_vmm **); +int gm200_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, + struct nvkm_vmm **); +int gm20b_vmm_new_fixed(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, + struct nvkm_vmm **); +int gm20b_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, + struct nvkm_vmm **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c new file mode 100644 index 000000000000..43138560b108 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c @@ -0,0 +1,151 @@ +/* + * 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 +#include + +static const struct nvkm_vmm_desc_func +gm200_vmm_spt = { +}; + +static const struct nvkm_vmm_desc_func +gm200_vmm_lpt = { +}; + +static const struct nvkm_vmm_desc_func +gm200_vmm_pgd = { +}; + +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, + .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, + .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); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c new file mode 100644 index 000000000000..ec24c43f86cc --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c @@ -0,0 +1,64 @@ +/* + * 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" + +static const struct nvkm_vmm_func +gm20b_vmm_17 = { + .join = gm200_vmm_join, + .part = gf100_vmm_part, + .page = { + { 27, &gm200_vmm_desc_17_17[1], NVKM_VMM_PAGE_Sxxx }, + { 17, &gm200_vmm_desc_17_17[0], NVKM_VMM_PAGE_SxHC }, + { 12, &gm200_vmm_desc_17_12[0], NVKM_VMM_PAGE_SxHx }, + {} + } +}; + +static const struct nvkm_vmm_func +gm20b_vmm_16 = { + .join = gm200_vmm_join, + .part = gf100_vmm_part, + .page = { + { 27, &gm200_vmm_desc_16_16[1], NVKM_VMM_PAGE_Sxxx }, + { 16, &gm200_vmm_desc_16_16[0], NVKM_VMM_PAGE_SxHC }, + { 12, &gm200_vmm_desc_16_12[0], NVKM_VMM_PAGE_SxHx }, + {} + } +}; + +int +gm20b_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_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, addr, + size, argv, argc, key, name, pvmm); +} + +int +gm20b_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_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, addr, + size, argv, argc, key, name, pvmm); +} -- 2.45.2