drivers/gpu/drm/nouveau/include/nvif/if000c.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/include/nvif/if000c.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/include/nvif/if000c.h
Extension
.h
Size
3224 bytes
Lines
118
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

struct nvif_vmm_v0 {
	__u8  version;
	__u8  page_nr;
#define NVIF_VMM_V0_TYPE_UNMANAGED                                         0x00
#define NVIF_VMM_V0_TYPE_MANAGED                                           0x01
#define NVIF_VMM_V0_TYPE_RAW                                               0x02
	__u8  type;
	__u8  pad03[5];
	__u64 addr;
	__u64 size;
	__u8  data[];
};

#define NVIF_VMM_V0_PAGE                                                   0x00
#define NVIF_VMM_V0_GET                                                    0x01
#define NVIF_VMM_V0_PUT                                                    0x02
#define NVIF_VMM_V0_MAP                                                    0x03
#define NVIF_VMM_V0_UNMAP                                                  0x04
#define NVIF_VMM_V0_PFNMAP                                                 0x05
#define NVIF_VMM_V0_PFNCLR                                                 0x06
#define NVIF_VMM_V0_RAW                                                    0x07
#define NVIF_VMM_V0_MTHD(i)                                         ((i) + 0x80)

struct nvif_vmm_page_v0 {
	__u8  version;
	__u8  index;
	__u8  shift;
	__u8  sparse;
	__u8  vram;
	__u8  host;
	__u8  comp;
	__u8  pad07[1];
};

struct nvif_vmm_get_v0 {
	__u8  version;
#define NVIF_VMM_GET_V0_ADDR                                               0x00
#define NVIF_VMM_GET_V0_PTES                                               0x01
#define NVIF_VMM_GET_V0_LAZY	                                           0x02
	__u8  type;
	__u8  sparse;
	__u8  page;
	__u8  align;
	__u8  pad05[3];
	__u64 size;
	__u64 addr;
};

struct nvif_vmm_put_v0 {
	__u8  version;
	__u8  pad01[7];
	__u64 addr;
};

struct nvif_vmm_map_v0 {
	__u8  version;
	__u8  pad01[7];
	__u64 addr;
	__u64 size;
	__u64 memory;
	__u64 offset;
	__u8  data[];
};

struct nvif_vmm_unmap_v0 {
	__u8  version;
	__u8  pad01[7];
	__u64 addr;
};

struct nvif_vmm_raw_v0 {
	__u8 version;
#define NVIF_VMM_RAW_V0_GET	0x0
#define NVIF_VMM_RAW_V0_PUT	0x1
#define NVIF_VMM_RAW_V0_MAP	0x2
#define NVIF_VMM_RAW_V0_UNMAP	0x3
#define NVIF_VMM_RAW_V0_SPARSE	0x4
	__u8  op;
	__u8  sparse;
	__u8  ref;
	__u8  shift;
	__u32 argc;
	__u8  pad01[7];
	__u64 addr;
	__u64 size;
	__u64 offset;
	__u64 memory;
	__u64 argv;
};

Annotation

Implementation Notes