1#ifndef __NVKM_RUNL_H__
2#define __NVKM_RUNL_H__
3#include <core/intr.h>
4struct nvkm_cctx;
5struct nvkm_cgrp;
6struct nvkm_chan;
7struct nvkm_memory;
8struct nvkm_object;
9struct nvkm_vctx;
10enum nvkm_subdev_type;
11
12struct nvkm_engn {
13	const struct nvkm_engn_func {
14		int (*nonstall)(struct nvkm_engn *);
15		bool (*chsw)(struct nvkm_engn *);
16		int (*cxid)(struct nvkm_engn *, bool *cgid);
17		void (*mmu_fault_trigger)(struct nvkm_engn *);
18		bool (*mmu_fault_triggered)(struct nvkm_engn *);
19		int (*ctor)(struct nvkm_engn *, struct nvkm_vctx *);
20		void (*bind)(struct nvkm_engn *, struct nvkm_cctx *, struct nvkm_chan *);
21		int (*ctor2)(struct nvkm_engn *, struct nvkm_vctx *, struct nvkm_chan *);
22		int (*ramht_add)(struct nvkm_engn *, struct nvkm_object *, struct nvkm_chan *);
23		void (*ramht_del)(struct nvkm_chan *, int hash);
24	} *func;
25	struct nvkm_runl *runl;
26	int id;
27
28	struct nvkm_engine *engine;
29
30	int fault;
31
32	struct {
33		u32 desc;
34		u32 size;
35	} rm;
36
37	struct list_head head;
38};
39
40#define ENGN_PRINT(e,l,p,f,a...)                                                           \
41	RUNL_PRINT((e)->runl, l, p, "%02d[%8s]:"f, (e)->id, (e)->engine->subdev.name, ##a)
42#define ENGN_DEBUG(e,f,a...) ENGN_PRINT((e), DEBUG,   info, " "f"\n", ##a)
43
44struct nvkm_runl {
45	const struct nvkm_runl_func {
46		void (*init)(struct nvkm_runl *);
47		void (*fini)(struct nvkm_runl *);
48		int runqs;
49		u8 size;
50		int (*update)(struct nvkm_runl *);
51		void (*insert_cgrp)(struct nvkm_cgrp *, struct nvkm_memory *, u64 offset);
52		void (*insert_chan)(struct nvkm_chan *, struct nvkm_memory *, u64 offset);
53		void (*commit)(struct nvkm_runl *, struct nvkm_memory *, u32 start, int count);
54		int (*wait)(struct nvkm_runl *);
55		bool (*pending)(struct nvkm_runl *);
56		void (*block)(struct nvkm_runl *, u32 engm);
57		void (*allow)(struct nvkm_runl *, u32 engm);
58		void (*fault_clear)(struct nvkm_runl *);
59		void (*preempt)(struct nvkm_runl *);
60		bool (*preempt_pending)(struct nvkm_runl *);
61	} *func;
62	struct nvkm_fifo *fifo;
63	int id;
64	u32 addr;
65	u32 chan;
66	u16 doorbell;
67
68	struct nvkm_chid *cgid;
69#define NVKM_CHAN_EVENT_ERRORED BIT(0)
70	struct nvkm_chid *chid;
71
72	struct list_head engns;
73
74	struct nvkm_runq *runq[2];
75	int runq_nr;
76
77	struct nvkm_inth inth;
78
79	struct {
80		int vector;
81		struct nvkm_inth inth;
82	} nonstall;
83
84	struct list_head cgrps;
85	int cgrp_nr;
86	int chan_nr;
87	atomic_t changed;
88	struct nvkm_memory *mem;
89	u32 offset;
90	struct mutex mutex;
91
92	int blocked;
93
94	struct work_struct work;
95	atomic_t rc_triggered;
96	atomic_t rc_pending;
97
98	struct list_head head;
99};
100
101struct nvkm_runl *nvkm_runl_new(struct nvkm_fifo *, int runi, u32 addr, int id_nr);
102struct nvkm_runl *nvkm_runl_get(struct nvkm_fifo *, int runi, u32 addr);
103struct nvkm_engn *nvkm_runl_add(struct nvkm_runl *, int engi, const struct nvkm_engn_func *,
104				enum nvkm_subdev_type, int inst);
105void nvkm_runl_del(struct nvkm_runl *);
106void nvkm_runl_fini(struct nvkm_runl *);
107void nvkm_runl_block(struct nvkm_runl *);
108void nvkm_runl_allow(struct nvkm_runl *);
109void nvkm_runl_update_locked(struct nvkm_runl *, bool wait);
110bool nvkm_runl_update_pending(struct nvkm_runl *);
111int nvkm_runl_preempt_wait(struct nvkm_runl *);
112
113void nvkm_runl_rc_engn(struct nvkm_runl *, struct nvkm_engn *);
114void nvkm_runl_rc_cgrp(struct nvkm_cgrp *);
115
116struct nvkm_cgrp *nvkm_runl_cgrp_get_cgid(struct nvkm_runl *, int cgid, unsigned long *irqflags);
117struct nvkm_chan *nvkm_runl_chan_get_chid(struct nvkm_runl *, int chid, unsigned long *irqflags);
118struct nvkm_chan *nvkm_runl_chan_get_inst(struct nvkm_runl *, u64 inst, unsigned long *irqflags);
119
120#define nvkm_runl_find_engn(engn,runl,cond) nvkm_list_find(engn, &(runl)->engns, head, (cond))
121
122#define nvkm_runl_first(fifo) list_first_entry(&(fifo)->runls, struct nvkm_runl, head)
123#define nvkm_runl_foreach(runl,fifo) list_for_each_entry((runl), &(fifo)->runls, head)
124#define nvkm_runl_foreach_cond(runl,fifo,cond) nvkm_list_foreach(runl, &(fifo)->runls, head, (cond))
125#define nvkm_runl_foreach_engn(engn,runl) list_for_each_entry((engn), &(runl)->engns, head)
126#define nvkm_runl_foreach_engn_cond(engn,runl,cond) \
127	nvkm_list_foreach(engn, &(runl)->engns, head, (cond))
128#define nvkm_runl_foreach_cgrp(cgrp,runl) list_for_each_entry((cgrp), &(runl)->cgrps, head)
129#define nvkm_runl_foreach_cgrp_safe(cgrp,gtmp,runl) \
130	list_for_each_entry_safe((cgrp), (gtmp), &(runl)->cgrps, head)
131
132#define RUNL_PRINT(r,l,p,f,a...)                                                          \
133	nvkm_printk__(&(r)->fifo->engine.subdev, NV_DBG_##l, p, "%06x:"f, (r)->addr, ##a)
134#define RUNL_ERROR(r,f,a...) RUNL_PRINT((r), ERROR,    err, " "f"\n", ##a)
135#define RUNL_DEBUG(r,f,a...) RUNL_PRINT((r), DEBUG,   info, " "f"\n", ##a)
136#define RUNL_TRACE(r,f,a...) RUNL_PRINT((r), TRACE,   info, " "f"\n", ##a)
137#endif
138