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26 #include <core/client.h>
28 #include <nvif/if0008.h>
29 #include <nvif/unpack.h>
32 nvkm_ummu_sclass(struct nvkm_object *object, int index,
33 struct nvkm_oclass *oclass)
35 struct nvkm_mmu *mmu = nvkm_ummu(object)->mmu;
37 if (mmu->func->mem.user.oclass) {
39 oclass->base = mmu->func->mem.user;
40 oclass->ctor = nvkm_umem_new;
45 if (mmu->func->vmm.user.oclass) {
47 oclass->base = mmu->func->vmm.user;
48 oclass->ctor = nvkm_uvmm_new;
57 nvkm_ummu_heap(struct nvkm_ummu *ummu, void *argv, u32 argc)
59 struct nvkm_mmu *mmu = ummu->mmu;
61 struct nvif_mmu_heap_v0 v0;
66 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
67 if ((index = args->v0.index) >= mmu->heap_nr)
69 args->v0.size = mmu->heap[index].size;
77 nvkm_ummu_type(struct nvkm_ummu *ummu, void *argv, u32 argc)
79 struct nvkm_mmu *mmu = ummu->mmu;
81 struct nvif_mmu_type_v0 v0;
86 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
87 if ((index = args->v0.index) >= mmu->type_nr)
89 type = mmu->type[index].type;
90 args->v0.heap = mmu->type[index].heap;
91 args->v0.vram = !!(type & NVKM_MEM_VRAM);
92 args->v0.host = !!(type & NVKM_MEM_HOST);
93 args->v0.comp = !!(type & NVKM_MEM_COMP);
94 args->v0.disp = !!(type & NVKM_MEM_DISP);
95 args->v0.kind = !!(type & NVKM_MEM_KIND);
96 args->v0.mappable = !!(type & NVKM_MEM_MAPPABLE);
97 args->v0.coherent = !!(type & NVKM_MEM_COHERENT);
98 args->v0.uncached = !!(type & NVKM_MEM_UNCACHED);
106 nvkm_ummu_kind(struct nvkm_ummu *ummu, void *argv, u32 argc)
108 struct nvkm_mmu *mmu = ummu->mmu;
110 struct nvif_mmu_kind_v0 v0;
112 const u8 *kind = NULL;
113 int ret = -ENOSYS, count = 0;
117 kind = mmu->func->kind(mmu, &count, &kind_inv);
119 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, true))) {
120 if (argc != args->v0.count * sizeof(*args->v0.data))
122 if (args->v0.count > count)
124 args->v0.kind_inv = kind_inv;
125 memcpy(args->v0.data, kind, args->v0.count);
133 nvkm_ummu_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc)
135 struct nvkm_ummu *ummu = nvkm_ummu(object);
137 case NVIF_MMU_V0_HEAP: return nvkm_ummu_heap(ummu, argv, argc);
138 case NVIF_MMU_V0_TYPE: return nvkm_ummu_type(ummu, argv, argc);
139 case NVIF_MMU_V0_KIND: return nvkm_ummu_kind(ummu, argv, argc);
146 static const struct nvkm_object_func
148 .mthd = nvkm_ummu_mthd,
149 .sclass = nvkm_ummu_sclass,
153 nvkm_ummu_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
154 void *argv, u32 argc, struct nvkm_object **pobject)
157 struct nvif_mmu_v0 v0;
159 struct nvkm_mmu *mmu = device->mmu;
160 struct nvkm_ummu *ummu;
161 int ret = -ENOSYS, kinds = 0;
165 mmu->func->kind(mmu, &kinds, &unused);
167 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
168 args->v0.dmabits = mmu->dma_bits;
169 args->v0.heap_nr = mmu->heap_nr;
170 args->v0.type_nr = mmu->type_nr;
171 args->v0.kind_nr = kinds;
175 if (!(ummu = kzalloc(sizeof(*ummu), GFP_KERNEL)))
177 nvkm_object_ctor(&nvkm_ummu, oclass, &ummu->object);
179 *pobject = &ummu->object;