1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_FIFO_H__
3 #define __NVKM_FIFO_H__
4 #include <core/engine.h>
5 #include <core/object.h>
6 #include <core/event.h>
7 struct nvkm_fault_data;
8 
9 #define NVKM_FIFO_CHID_NR 4096
10 #define NVKM_FIFO_ENGN_NR 16
11 
12 struct nvkm_fifo_engn {
13 	struct nvkm_object *object;
14 	int refcount;
15 	int usecount;
16 };
17 
18 struct nvkm_fifo_chan {
19 	const struct nvkm_fifo_chan_func *func;
20 	struct nvkm_fifo *fifo;
21 	u32 engm;
22 	struct nvkm_object object;
23 
24 	struct list_head head;
25 	u16 chid;
26 	struct nvkm_gpuobj *inst;
27 	struct nvkm_gpuobj *push;
28 	struct nvkm_vmm *vmm;
29 	void __iomem *user;
30 	u64 addr;
31 	u32 size;
32 
33 	struct nvkm_fifo_engn engn[NVKM_FIFO_ENGN_NR];
34 };
35 
36 struct nvkm_fifo {
37 	const struct nvkm_fifo_func *func;
38 	struct nvkm_engine engine;
39 
40 	DECLARE_BITMAP(mask, NVKM_FIFO_CHID_NR);
41 	int nr;
42 	struct list_head chan;
43 	spinlock_t lock;
44 	struct mutex mutex;
45 
46 	struct nvkm_event uevent; /* async user trigger */
47 	struct nvkm_event cevent; /* channel creation event */
48 	struct nvkm_event kevent; /* channel killed */
49 };
50 
51 void nvkm_fifo_fault(struct nvkm_fifo *, struct nvkm_fault_data *);
52 void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
53 void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
54 
55 void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
56 			struct nvkm_fifo_chan **);
57 struct nvkm_fifo_chan *
58 nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
59 struct nvkm_fifo_chan *
60 nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
61 
62 int nv04_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
63 int nv10_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
64 int nv17_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
65 int nv40_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
66 int nv50_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
67 int g84_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
68 int gf100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
69 int gk104_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
70 int gk110_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
71 int gk208_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
72 int gk20a_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
73 int gm107_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
74 int gm200_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
75 int gm20b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
76 int gp100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
77 int gp10b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
78 int gv100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
79 int tu102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
80 #endif
81