nouveau/nvif/mmu.c

22 #include <nvif/mmu.h>
28 nvif_mmu_dtor(struct nvif_mmu *mmu)
30 	if (!nvif_object_constructed(&mmu->object))
33 	kfree(mmu->kind);
34 	kfree(mmu->type);
35 	kfree(mmu->heap);
36 	nvif_object_dtor(&mmu->object);
41 	      struct nvif_mmu *mmu)
53 	mmu->heap = NULL;
54 	mmu->type = NULL;
55 	mmu->kind = NULL;
58 			       &args, sizeof(args), &mmu->object);
62 	mmu->dmabits = args.dmabits;
63 	mmu->heap_nr = args.heap_nr;
64 	mmu->type_nr = args.type_nr;
65 	mmu->kind_nr = args.kind_nr;
67 	ret = nvif_mclass(&mmu->object, mems);
70 	mmu->mem = mems[ret].oclass;
72 	mmu->heap = kmalloc_array(mmu->heap_nr, sizeof(*mmu->heap),
74 	mmu->type = kmalloc_array(mmu->type_nr, sizeof(*mmu->type),
76 	if (ret = -ENOMEM, !mmu->heap || !mmu->type)
79 	mmu->kind = kmalloc_array(mmu->kind_nr, sizeof(*mmu->kind),
81 	if (!mmu->kind && mmu->kind_nr)
84 	for (i = 0; i < mmu->heap_nr; i++) {
87 		ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_HEAP,
92 		mmu->heap[i].size = args.size;
95 	for (i = 0; i < mmu->type_nr; i++) {
98 		ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_TYPE,
103 		mmu->type[i].type = 0;
104 		if (args.vram) mmu->type[i].type |= NVIF_MEM_VRAM;
105 		if (args.host) mmu->type[i].type |= NVIF_MEM_HOST;
106 		if (args.comp) mmu->type[i].type |= NVIF_MEM_COMP;
107 		if (args.disp) mmu->type[i].type |= NVIF_MEM_DISP;
108 		if (args.kind    ) mmu->type[i].type |= NVIF_MEM_KIND;
109 		if (args.mappable) mmu->type[i].type |= NVIF_MEM_MAPPABLE;
110 		if (args.coherent) mmu->type[i].type |= NVIF_MEM_COHERENT;
111 		if (args.uncached) mmu->type[i].type |= NVIF_MEM_UNCACHED;
112 		mmu->type[i].heap = args.heap;
115 	if (mmu->kind_nr) {
117 		size_t argc = struct_size(kind, data, mmu->kind_nr);
122 		kind->count = mmu->kind_nr;
124 		ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_KIND,
127 			memcpy(mmu->kind, kind->data, kind->count);
128 		mmu->kind_inv = kind->kind_inv;
134 		nvif_mmu_dtor(mmu);