1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Defines an spu hypervisor abstraction layer.
4 *
5 * Copyright 2006 Sony Corp.
6 */
7
8 #if !defined(_SPU_PRIV1_H)
9 #define _SPU_PRIV1_H
10 #if defined(__KERNEL__)
11
12 #include <linux/types.h>
13
14 struct spu;
15 struct spu_context;
16
17 /* access to priv1 registers */
18
19 struct spu_priv1_ops {
20 void (*int_mask_and) (struct spu *spu, int class, u64 mask);
21 void (*int_mask_or) (struct spu *spu, int class, u64 mask);
22 void (*int_mask_set) (struct spu *spu, int class, u64 mask);
23 u64 (*int_mask_get) (struct spu *spu, int class);
24 void (*int_stat_clear) (struct spu *spu, int class, u64 stat);
25 u64 (*int_stat_get) (struct spu *spu, int class);
26 void (*cpu_affinity_set) (struct spu *spu, int cpu);
27 u64 (*mfc_dar_get) (struct spu *spu);
28 u64 (*mfc_dsisr_get) (struct spu *spu);
29 void (*mfc_dsisr_set) (struct spu *spu, u64 dsisr);
30 void (*mfc_sdr_setup) (struct spu *spu);
31 void (*mfc_sr1_set) (struct spu *spu, u64 sr1);
32 u64 (*mfc_sr1_get) (struct spu *spu);
33 void (*mfc_tclass_id_set) (struct spu *spu, u64 tclass_id);
34 u64 (*mfc_tclass_id_get) (struct spu *spu);
35 void (*tlb_invalidate) (struct spu *spu);
36 void (*resource_allocation_groupID_set) (struct spu *spu, u64 id);
37 u64 (*resource_allocation_groupID_get) (struct spu *spu);
38 void (*resource_allocation_enable_set) (struct spu *spu, u64 enable);
39 u64 (*resource_allocation_enable_get) (struct spu *spu);
40 };
41
42 extern const struct spu_priv1_ops* spu_priv1_ops;
43
44 static inline void
spu_int_mask_and(struct spu * spu,int class,u64 mask)45 spu_int_mask_and (struct spu *spu, int class, u64 mask)
46 {
47 spu_priv1_ops->int_mask_and(spu, class, mask);
48 }
49
50 static inline void
spu_int_mask_or(struct spu * spu,int class,u64 mask)51 spu_int_mask_or (struct spu *spu, int class, u64 mask)
52 {
53 spu_priv1_ops->int_mask_or(spu, class, mask);
54 }
55
56 static inline void
spu_int_mask_set(struct spu * spu,int class,u64 mask)57 spu_int_mask_set (struct spu *spu, int class, u64 mask)
58 {
59 spu_priv1_ops->int_mask_set(spu, class, mask);
60 }
61
62 static inline u64
spu_int_mask_get(struct spu * spu,int class)63 spu_int_mask_get (struct spu *spu, int class)
64 {
65 return spu_priv1_ops->int_mask_get(spu, class);
66 }
67
68 static inline void
spu_int_stat_clear(struct spu * spu,int class,u64 stat)69 spu_int_stat_clear (struct spu *spu, int class, u64 stat)
70 {
71 spu_priv1_ops->int_stat_clear(spu, class, stat);
72 }
73
74 static inline u64
spu_int_stat_get(struct spu * spu,int class)75 spu_int_stat_get (struct spu *spu, int class)
76 {
77 return spu_priv1_ops->int_stat_get (spu, class);
78 }
79
80 static inline void
spu_cpu_affinity_set(struct spu * spu,int cpu)81 spu_cpu_affinity_set (struct spu *spu, int cpu)
82 {
83 spu_priv1_ops->cpu_affinity_set(spu, cpu);
84 }
85
86 static inline u64
spu_mfc_dar_get(struct spu * spu)87 spu_mfc_dar_get (struct spu *spu)
88 {
89 return spu_priv1_ops->mfc_dar_get(spu);
90 }
91
92 static inline u64
spu_mfc_dsisr_get(struct spu * spu)93 spu_mfc_dsisr_get (struct spu *spu)
94 {
95 return spu_priv1_ops->mfc_dsisr_get(spu);
96 }
97
98 static inline void
spu_mfc_dsisr_set(struct spu * spu,u64 dsisr)99 spu_mfc_dsisr_set (struct spu *spu, u64 dsisr)
100 {
101 spu_priv1_ops->mfc_dsisr_set(spu, dsisr);
102 }
103
104 static inline void
spu_mfc_sdr_setup(struct spu * spu)105 spu_mfc_sdr_setup (struct spu *spu)
106 {
107 spu_priv1_ops->mfc_sdr_setup(spu);
108 }
109
110 static inline void
spu_mfc_sr1_set(struct spu * spu,u64 sr1)111 spu_mfc_sr1_set (struct spu *spu, u64 sr1)
112 {
113 spu_priv1_ops->mfc_sr1_set(spu, sr1);
114 }
115
116 static inline u64
spu_mfc_sr1_get(struct spu * spu)117 spu_mfc_sr1_get (struct spu *spu)
118 {
119 return spu_priv1_ops->mfc_sr1_get(spu);
120 }
121
122 static inline void
spu_mfc_tclass_id_set(struct spu * spu,u64 tclass_id)123 spu_mfc_tclass_id_set (struct spu *spu, u64 tclass_id)
124 {
125 spu_priv1_ops->mfc_tclass_id_set(spu, tclass_id);
126 }
127
128 static inline u64
spu_mfc_tclass_id_get(struct spu * spu)129 spu_mfc_tclass_id_get (struct spu *spu)
130 {
131 return spu_priv1_ops->mfc_tclass_id_get(spu);
132 }
133
134 static inline void
spu_tlb_invalidate(struct spu * spu)135 spu_tlb_invalidate (struct spu *spu)
136 {
137 spu_priv1_ops->tlb_invalidate(spu);
138 }
139
140 static inline void
spu_resource_allocation_groupID_set(struct spu * spu,u64 id)141 spu_resource_allocation_groupID_set (struct spu *spu, u64 id)
142 {
143 spu_priv1_ops->resource_allocation_groupID_set(spu, id);
144 }
145
146 static inline u64
spu_resource_allocation_groupID_get(struct spu * spu)147 spu_resource_allocation_groupID_get (struct spu *spu)
148 {
149 return spu_priv1_ops->resource_allocation_groupID_get(spu);
150 }
151
152 static inline void
spu_resource_allocation_enable_set(struct spu * spu,u64 enable)153 spu_resource_allocation_enable_set (struct spu *spu, u64 enable)
154 {
155 spu_priv1_ops->resource_allocation_enable_set(spu, enable);
156 }
157
158 static inline u64
spu_resource_allocation_enable_get(struct spu * spu)159 spu_resource_allocation_enable_get (struct spu *spu)
160 {
161 return spu_priv1_ops->resource_allocation_enable_get(spu);
162 }
163
164 /* spu management abstraction */
165
166 struct spu_management_ops {
167 int (*enumerate_spus)(int (*fn)(void *data));
168 int (*create_spu)(struct spu *spu, void *data);
169 int (*destroy_spu)(struct spu *spu);
170 void (*enable_spu)(struct spu_context *ctx);
171 void (*disable_spu)(struct spu_context *ctx);
172 int (*init_affinity)(void);
173 };
174
175 extern const struct spu_management_ops* spu_management_ops;
176
177 static inline int
spu_enumerate_spus(int (* fn)(void * data))178 spu_enumerate_spus (int (*fn)(void *data))
179 {
180 return spu_management_ops->enumerate_spus(fn);
181 }
182
183 static inline int
spu_create_spu(struct spu * spu,void * data)184 spu_create_spu (struct spu *spu, void *data)
185 {
186 return spu_management_ops->create_spu(spu, data);
187 }
188
189 static inline int
spu_destroy_spu(struct spu * spu)190 spu_destroy_spu (struct spu *spu)
191 {
192 return spu_management_ops->destroy_spu(spu);
193 }
194
195 static inline int
spu_init_affinity(void)196 spu_init_affinity (void)
197 {
198 return spu_management_ops->init_affinity();
199 }
200
201 static inline void
spu_enable_spu(struct spu_context * ctx)202 spu_enable_spu (struct spu_context *ctx)
203 {
204 spu_management_ops->enable_spu(ctx);
205 }
206
207 static inline void
spu_disable_spu(struct spu_context * ctx)208 spu_disable_spu (struct spu_context *ctx)
209 {
210 spu_management_ops->disable_spu(ctx);
211 }
212
213 /*
214 * The declarations following are put here for convenience
215 * and only intended to be used by the platform setup code.
216 */
217
218 extern const struct spu_priv1_ops spu_priv1_mmio_ops;
219 extern const struct spu_priv1_ops spu_priv1_beat_ops;
220
221 extern const struct spu_management_ops spu_management_of_ops;
222
223 #endif /* __KERNEL__ */
224 #endif
225