1/* 2 * Defines an spu hypervisor abstraction layer. 3 * 4 * Copyright 2006 Sony Corp. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; version 2 of the License. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20#if !defined(_SPU_PRIV1_H) 21#define _SPU_PRIV1_H 22#if defined(__KERNEL__) 23 24#include <linux/types.h> 25 26struct spu; 27struct spu_context; 28 29/* access to priv1 registers */ 30 31struct spu_priv1_ops { 32 void (*int_mask_and) (struct spu *spu, int class, u64 mask); 33 void (*int_mask_or) (struct spu *spu, int class, u64 mask); 34 void (*int_mask_set) (struct spu *spu, int class, u64 mask); 35 u64 (*int_mask_get) (struct spu *spu, int class); 36 void (*int_stat_clear) (struct spu *spu, int class, u64 stat); 37 u64 (*int_stat_get) (struct spu *spu, int class); 38 void (*cpu_affinity_set) (struct spu *spu, int cpu); 39 u64 (*mfc_dar_get) (struct spu *spu); 40 u64 (*mfc_dsisr_get) (struct spu *spu); 41 void (*mfc_dsisr_set) (struct spu *spu, u64 dsisr); 42 void (*mfc_sdr_setup) (struct spu *spu); 43 void (*mfc_sr1_set) (struct spu *spu, u64 sr1); 44 u64 (*mfc_sr1_get) (struct spu *spu); 45 void (*mfc_tclass_id_set) (struct spu *spu, u64 tclass_id); 46 u64 (*mfc_tclass_id_get) (struct spu *spu); 47 void (*tlb_invalidate) (struct spu *spu); 48 void (*resource_allocation_groupID_set) (struct spu *spu, u64 id); 49 u64 (*resource_allocation_groupID_get) (struct spu *spu); 50 void (*resource_allocation_enable_set) (struct spu *spu, u64 enable); 51 u64 (*resource_allocation_enable_get) (struct spu *spu); 52}; 53 54extern const struct spu_priv1_ops* spu_priv1_ops; 55 56static inline void 57spu_int_mask_and (struct spu *spu, int class, u64 mask) 58{ 59 spu_priv1_ops->int_mask_and(spu, class, mask); 60} 61 62static inline void 63spu_int_mask_or (struct spu *spu, int class, u64 mask) 64{ 65 spu_priv1_ops->int_mask_or(spu, class, mask); 66} 67 68static inline void 69spu_int_mask_set (struct spu *spu, int class, u64 mask) 70{ 71 spu_priv1_ops->int_mask_set(spu, class, mask); 72} 73 74static inline u64 75spu_int_mask_get (struct spu *spu, int class) 76{ 77 return spu_priv1_ops->int_mask_get(spu, class); 78} 79 80static inline void 81spu_int_stat_clear (struct spu *spu, int class, u64 stat) 82{ 83 spu_priv1_ops->int_stat_clear(spu, class, stat); 84} 85 86static inline u64 87spu_int_stat_get (struct spu *spu, int class) 88{ 89 return spu_priv1_ops->int_stat_get (spu, class); 90} 91 92static inline void 93spu_cpu_affinity_set (struct spu *spu, int cpu) 94{ 95 spu_priv1_ops->cpu_affinity_set(spu, cpu); 96} 97 98static inline u64 99spu_mfc_dar_get (struct spu *spu) 100{ 101 return spu_priv1_ops->mfc_dar_get(spu); 102} 103 104static inline u64 105spu_mfc_dsisr_get (struct spu *spu) 106{ 107 return spu_priv1_ops->mfc_dsisr_get(spu); 108} 109 110static inline void 111spu_mfc_dsisr_set (struct spu *spu, u64 dsisr) 112{ 113 spu_priv1_ops->mfc_dsisr_set(spu, dsisr); 114} 115 116static inline void 117spu_mfc_sdr_setup (struct spu *spu) 118{ 119 spu_priv1_ops->mfc_sdr_setup(spu); 120} 121 122static inline void 123spu_mfc_sr1_set (struct spu *spu, u64 sr1) 124{ 125 spu_priv1_ops->mfc_sr1_set(spu, sr1); 126} 127 128static inline u64 129spu_mfc_sr1_get (struct spu *spu) 130{ 131 return spu_priv1_ops->mfc_sr1_get(spu); 132} 133 134static inline void 135spu_mfc_tclass_id_set (struct spu *spu, u64 tclass_id) 136{ 137 spu_priv1_ops->mfc_tclass_id_set(spu, tclass_id); 138} 139 140static inline u64 141spu_mfc_tclass_id_get (struct spu *spu) 142{ 143 return spu_priv1_ops->mfc_tclass_id_get(spu); 144} 145 146static inline void 147spu_tlb_invalidate (struct spu *spu) 148{ 149 spu_priv1_ops->tlb_invalidate(spu); 150} 151 152static inline void 153spu_resource_allocation_groupID_set (struct spu *spu, u64 id) 154{ 155 spu_priv1_ops->resource_allocation_groupID_set(spu, id); 156} 157 158static inline u64 159spu_resource_allocation_groupID_get (struct spu *spu) 160{ 161 return spu_priv1_ops->resource_allocation_groupID_get(spu); 162} 163 164static inline void 165spu_resource_allocation_enable_set (struct spu *spu, u64 enable) 166{ 167 spu_priv1_ops->resource_allocation_enable_set(spu, enable); 168} 169 170static inline u64 171spu_resource_allocation_enable_get (struct spu *spu) 172{ 173 return spu_priv1_ops->resource_allocation_enable_get(spu); 174} 175 176/* spu management abstraction */ 177 178struct spu_management_ops { 179 int (*enumerate_spus)(int (*fn)(void *data)); 180 int (*create_spu)(struct spu *spu, void *data); 181 int (*destroy_spu)(struct spu *spu); 182 void (*enable_spu)(struct spu_context *ctx); 183 void (*disable_spu)(struct spu_context *ctx); 184 int (*init_affinity)(void); 185}; 186 187extern const struct spu_management_ops* spu_management_ops; 188 189static inline int 190spu_enumerate_spus (int (*fn)(void *data)) 191{ 192 return spu_management_ops->enumerate_spus(fn); 193} 194 195static inline int 196spu_create_spu (struct spu *spu, void *data) 197{ 198 return spu_management_ops->create_spu(spu, data); 199} 200 201static inline int 202spu_destroy_spu (struct spu *spu) 203{ 204 return spu_management_ops->destroy_spu(spu); 205} 206 207static inline int 208spu_init_affinity (void) 209{ 210 return spu_management_ops->init_affinity(); 211} 212 213static inline void 214spu_enable_spu (struct spu_context *ctx) 215{ 216 spu_management_ops->enable_spu(ctx); 217} 218 219static inline void 220spu_disable_spu (struct spu_context *ctx) 221{ 222 spu_management_ops->disable_spu(ctx); 223} 224 225/* 226 * The declarations folowing are put here for convenience 227 * and only intended to be used by the platform setup code. 228 */ 229 230extern const struct spu_priv1_ops spu_priv1_mmio_ops; 231extern const struct spu_priv1_ops spu_priv1_beat_ops; 232 233extern const struct spu_management_ops spu_management_of_ops; 234 235#endif /* __KERNEL__ */ 236#endif 237