drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm200.c
Extension
.c
Size
5328 bytes
Lines
188
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

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, managed, addr, size, key, name, pvmm);
}

int
gm200_vmm_new(struct nvkm_mmu *mmu, bool managed, 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, managed, addr,
			      size, argv, argc, key, name, pvmm);
}

int
gm200_vmm_new_fixed(struct nvkm_mmu *mmu, bool managed, 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, managed, addr,
			      size, argv, argc, key, name, pvmm);
}

Annotation

Implementation Notes