2 * Copyright 2017 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 #include "nouveau_mem.h"
23 #include "nouveau_drv.h"
24 #include "nouveau_bo.h"
26 #include <drm/ttm/ttm_bo_driver.h>
28 #include <nvif/class.h>
29 #include <nvif/if000a.h>
30 #include <nvif/if500b.h>
31 #include <nvif/if500d.h>
32 #include <nvif/if900b.h>
33 #include <nvif/if900d.h>
36 nouveau_mem_map(struct nouveau_mem *mem,
37 struct nvif_vmm *vmm, struct nvif_vma *vma)
40 struct nv50_vmm_map_v0 nv50;
41 struct gf100_vmm_map_v0 gf100;
45 switch (vmm->object.oclass) {
46 case NVIF_CLASS_VMM_NV04:
48 case NVIF_CLASS_VMM_NV50:
49 args.nv50.version = 0;
52 args.nv50.kind = mem->kind;
53 args.nv50.comp = mem->comp;
54 argc = sizeof(args.nv50);
56 case NVIF_CLASS_VMM_GF100:
57 case NVIF_CLASS_VMM_GM200:
58 case NVIF_CLASS_VMM_GP100:
59 args.gf100.version = 0;
60 if (mem->mem.type & NVIF_MEM_VRAM)
66 args.gf100.kind = mem->kind;
67 argc = sizeof(args.gf100);
74 return nvif_vmm_map(vmm, vma->addr, mem->mem.size, &args, argc, &mem->mem, 0);
78 nouveau_mem_fini(struct nouveau_mem *mem)
80 nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[1]);
81 nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[0]);
82 mutex_lock(&mem->cli->drm->master.lock);
83 nvif_mem_dtor(&mem->mem);
84 mutex_unlock(&mem->cli->drm->master.lock);
88 nouveau_mem_host(struct ttm_resource *reg, struct ttm_tt *tt)
90 struct nouveau_mem *mem = nouveau_mem(reg);
91 struct nouveau_cli *cli = mem->cli;
92 struct nouveau_drm *drm = cli->drm;
93 struct nvif_mmu *mmu = &cli->mmu;
94 struct nvif_mem_ram_v0 args = {};
98 if (!nouveau_drm_use_coherent_gpu_mapping(drm))
99 type = drm->ttm.type_ncoh[!!mem->kind];
101 type = drm->ttm.type_host[0];
103 if (mem->kind && !(mmu->type[type].type & NVIF_MEM_KIND))
104 mem->comp = mem->kind = 0;
105 if (mem->comp && !(mmu->type[type].type & NVIF_MEM_COMP)) {
106 if (mmu->object.oclass >= NVIF_CLASS_MMU_GF100)
107 mem->kind = mmu->kind[mem->kind];
112 args.sgl = tt->sg->sgl;
114 args.dma = tt->dma_address;
116 mutex_lock(&drm->master.lock);
117 ret = nvif_mem_ctor_type(mmu, "ttmHostMem", cli->mem->oclass, type, PAGE_SHIFT,
118 reg->num_pages << PAGE_SHIFT,
119 &args, sizeof(args), &mem->mem);
120 mutex_unlock(&drm->master.lock);
125 nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
127 struct nouveau_mem *mem = nouveau_mem(reg);
128 struct nouveau_cli *cli = mem->cli;
129 struct nouveau_drm *drm = cli->drm;
130 struct nvif_mmu *mmu = &cli->mmu;
131 u64 size = ALIGN(reg->num_pages << PAGE_SHIFT, 1 << page);
134 mutex_lock(&drm->master.lock);
135 switch (cli->mem->oclass) {
136 case NVIF_CLASS_MEM_GF100:
137 ret = nvif_mem_ctor_type(mmu, "ttmVram", cli->mem->oclass,
138 drm->ttm.type_vram, page, size,
139 &(struct gf100_mem_v0) {
141 }, sizeof(struct gf100_mem_v0),
144 case NVIF_CLASS_MEM_NV50:
145 ret = nvif_mem_ctor_type(mmu, "ttmVram", cli->mem->oclass,
146 drm->ttm.type_vram, page, size,
147 &(struct nv50_mem_v0) {
148 .bankswz = mmu->kind[mem->kind] == 2,
150 }, sizeof(struct nv50_mem_v0),
158 mutex_unlock(&drm->master.lock);
160 reg->start = mem->mem.addr >> PAGE_SHIFT;
165 nouveau_mem_del(struct ttm_resource_manager *man, struct ttm_resource *reg)
167 struct nouveau_mem *mem = nouveau_mem(reg);
169 nouveau_mem_fini(mem);
170 ttm_resource_fini(man, reg);
175 nouveau_mem_new(struct nouveau_cli *cli, u8 kind, u8 comp,
176 struct ttm_resource **res)
178 struct nouveau_mem *mem;
180 if (!(mem = kzalloc(sizeof(*mem), GFP_KERNEL)))