1 #ifndef __NVKM_RUNL_H__
2 #define __NVKM_RUNL_H__
3 #include <core/intr.h>
4 struct nvkm_cctx;
5 struct nvkm_cgrp;
6 struct nvkm_chan;
7 struct nvkm_memory;
8 struct nvkm_object;
9 struct nvkm_vctx;
10 enum nvkm_subdev_type;
11 
12 struct 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 
44 struct 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 
101 struct nvkm_runl *nvkm_runl_new(struct nvkm_fifo *, int runi, u32 addr, int id_nr);
102 struct nvkm_runl *nvkm_runl_get(struct nvkm_fifo *, int runi, u32 addr);
103 struct nvkm_engn *nvkm_runl_add(struct nvkm_runl *, int engi, const struct nvkm_engn_func *,
104 				enum nvkm_subdev_type, int inst);
105 void nvkm_runl_del(struct nvkm_runl *);
106 void nvkm_runl_fini(struct nvkm_runl *);
107 void nvkm_runl_block(struct nvkm_runl *);
108 void nvkm_runl_allow(struct nvkm_runl *);
109 void nvkm_runl_update_locked(struct nvkm_runl *, bool wait);
110 bool nvkm_runl_update_pending(struct nvkm_runl *);
111 int nvkm_runl_preempt_wait(struct nvkm_runl *);
112 
113 void nvkm_runl_rc_engn(struct nvkm_runl *, struct nvkm_engn *);
114 void nvkm_runl_rc_cgrp(struct nvkm_cgrp *);
115 
116 struct nvkm_cgrp *nvkm_runl_cgrp_get_cgid(struct nvkm_runl *, int cgid, unsigned long *irqflags);
117 struct nvkm_chan *nvkm_runl_chan_get_chid(struct nvkm_runl *, int chid, unsigned long *irqflags);
118 struct 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