From 957e18a70da19373f966c20dcf3ae5e1d49f9ed0 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 1 Nov 2017 03:56:19 +1000 Subject: [PATCH] drm/nouveau/mmu/nv04-nv4x: type-based vram allocation and bar mapping Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvif/class.h | 1 + drivers/gpu/drm/nouveau/include/nvif/if000b.h | 11 ++++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 1 + drivers/gpu/drm/nouveau/nvkm/subdev/mmu/mem.h | 5 ++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.c | 69 +++++++++++++++++++++++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c | 2 + drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c | 2 + drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c | 2 + 8 files changed, 93 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/include/nvif/if000b.h create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.c diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h index f81cc3e..b1bc758 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/class.h +++ b/drivers/gpu/drm/nouveau/include/nvif/class.h @@ -15,6 +15,7 @@ #define NVIF_CLASS_SW_GF100 /* if0005.h */ -0x00000007 #define NVIF_CLASS_MEM /* if000a.h */ 0x8000000a +#define NVIF_CLASS_MEM_NV04 /* if000b.h */ 0x8000000b #define NVIF_CLASS_VMM /* if000c.h */ 0x8000000c #define NVIF_CLASS_VMM_NV04 /* if000d.h */ 0x8000000d diff --git a/drivers/gpu/drm/nouveau/include/nvif/if000b.h b/drivers/gpu/drm/nouveau/include/nvif/if000b.h new file mode 100644 index 0000000..c677fb0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/if000b.h @@ -0,0 +1,11 @@ +#ifndef __NVIF_IF000B_H__ +#define __NVIF_IF000B_H__ +#include "if000a.h" + +struct nv04_mem_vn { + /* nvkm_mem_vX ... */ +}; + +struct nv04_mem_map_vn { +}; +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild index 941b629..241f41d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild @@ -13,6 +13,7 @@ nvkm-y += nvkm/subdev/mmu/gp100.o nvkm-y += nvkm/subdev/mmu/gp10b.o nvkm-y += nvkm/subdev/mmu/mem.o +nvkm-y += nvkm/subdev/mmu/memnv04.o nvkm-y += nvkm/subdev/mmu/vmm.o nvkm-y += nvkm/subdev/mmu/vmmnv04.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/mem.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/mem.h index 442adec..2986ee3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/mem.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/mem.h @@ -5,4 +5,9 @@ int nvkm_mem_new_type(struct nvkm_mmu *, int type, u8 page, u64 size, void *argv, u32 argc, struct nvkm_memory **); int nvkm_mem_map_host(struct nvkm_memory *, void **pmap); + +int nv04_mem_new(struct nvkm_mmu *, int, u8, u64, void *, u32, + struct nvkm_memory **); +int nv04_mem_map(struct nvkm_mmu *, struct nvkm_memory *, void *, u32, + u64 *, u64 *, struct nvkm_vma **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.c new file mode 100644 index 0000000..79a3b0c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memnv04.c @@ -0,0 +1,69 @@ +/* + * 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 +#include + +#include +#include + +int +nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv, + u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma) +{ + union { + struct nv04_mem_map_vn vn; + } *args = argv; + struct nvkm_device *device = mmu->subdev.device; + const u64 addr = nvkm_memory_addr(memory); + int ret = -ENOSYS; + + if ((ret = nvif_unvers(ret, &argv, &argc, args->vn))) + return ret; + + *paddr = device->func->resource_addr(device, 1) + addr; + *psize = nvkm_memory_size(memory); + *pvma = ERR_PTR(-ENODEV); + return 0; +} + +int +nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size, + void *argv, u32 argc, struct nvkm_memory **pmemory) +{ + union { + struct nv04_mem_vn vn; + } *args = argv; + int ret = -ENOSYS; + + if ((ret = nvif_unvers(ret, &argv, &argc, args->vn))) + return ret; + + if (mmu->type[type].type & NVKM_MEM_MAPPABLE) + type = NVKM_RAM_MM_NORMAL; + else + type = NVKM_RAM_MM_NOMAP; + + return nvkm_ram_get(mmu->subdev.device, type, 0x01, page, + size, true, false, pmemory); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c index 3ae70e2..94db229 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c @@ -21,6 +21,7 @@ * * Authors: Ben Skeggs */ +#include "mem.h" #include "vmm.h" #include @@ -32,6 +33,7 @@ nv04_mmu = { .limit = NV04_PDMA_SIZE, .dma_bits = 32, .lpg_shift = 12, + .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map }, .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv04_vmm_new, true }, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c index 5bcbc10..caee085 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c @@ -21,6 +21,7 @@ * * Authors: Ben Skeggs */ +#include "mem.h" #include "vmm.h" #include @@ -44,6 +45,7 @@ nv41_mmu = { .limit = NV41_GART_SIZE, .dma_bits = 39, .lpg_shift = 12, + .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map }, .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv41_vmm_new, true }, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c index 9982870..5f15ec5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c @@ -21,6 +21,7 @@ * * Authors: Ben Skeggs */ +#include "mem.h" #include "vmm.h" #include @@ -59,6 +60,7 @@ nv44_mmu = { .limit = NV44_GART_SIZE, .dma_bits = 39, .lpg_shift = 12, + .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map }, .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv44_vmm_new, true }, }; -- 2.7.4