From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 1 Nov 2017 03:56:19 +1000
Subject: drm/nouveau/mmu/gm200,gm20b: implement vmm on top of new base
Git-commit: 5f300fed645597689f1e6fed8800fc7e3d01e212
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Adds support for:
- Per-VMM selection of big page size.
- System-memory PDs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/nouveau/include/nvif/class.h | 1
drivers/gpu/drm/nouveau/include/nvif/ifb00d.h | 14 +
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 2
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c | 25 +++
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c | 25 +++
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 23 +++
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c | 151 +++++++++++++++++++++
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c | 64 ++++++++
8 files changed, 303 insertions(+), 2 deletions(-)
--- 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
--- /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
--- 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
--- 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 <subdev/fb.h>
+
+#include <nvif/class.h>
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);
}
--- 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 <subdev/fb.h>
+
+#include <nvif/class.h>
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);
}
--- 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_
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 *, s
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
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
--- /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 <nvif/ifb00d.h>
+#include <nvif/unpack.h>
+
+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);
+}
--- /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);
+}