arch/powerpc/include/asm/spu_priv1.h

   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
  26 struct spu;
  27 struct spu_context;
  28
  29 /* access to priv1 registers */
  30
  31 struct 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
  54 extern const struct spu_priv1_ops* spu_priv1_ops;
  55
  56 static inline void
  57 spu_int_mask_and (struct spu *spu, int class, u64 mask)
  58 {
  59         spu_priv1_ops->int_mask_and(spu, class, mask);
  60 }
  61
  62 static inline void
  63 spu_int_mask_or (struct spu *spu, int class, u64 mask)
  64 {
  65         spu_priv1_ops->int_mask_or(spu, class, mask);
  66 }
  67
  68 static inline void
  69 spu_int_mask_set (struct spu *spu, int class, u64 mask)
  70 {
  71         spu_priv1_ops->int_mask_set(spu, class, mask);
  72 }
  73
  74 static inline u64
  75 spu_int_mask_get (struct spu *spu, int class)
  76 {
  77         return spu_priv1_ops->int_mask_get(spu, class);
  78 }
  79
  80 static inline void
  81 spu_int_stat_clear (struct spu *spu, int class, u64 stat)
  82 {
  83         spu_priv1_ops->int_stat_clear(spu, class, stat);
  84 }
  85
  86 static inline u64
  87 spu_int_stat_get (struct spu *spu, int class)
  88 {
  89         return spu_priv1_ops->int_stat_get (spu, class);
  90 }
  91
  92 static inline void
  93 spu_cpu_affinity_set (struct spu *spu, int cpu)
  94 {
  95         spu_priv1_ops->cpu_affinity_set(spu, cpu);
  96 }
  97
  98 static inline u64
  99 spu_mfc_dar_get (struct spu *spu)
 100 {
 101         return spu_priv1_ops->mfc_dar_get(spu);
 102 }
 103
 104 static inline u64
 105 spu_mfc_dsisr_get (struct spu *spu)
 106 {
 107         return spu_priv1_ops->mfc_dsisr_get(spu);
 108 }
 109
 110 static inline void
 111 spu_mfc_dsisr_set (struct spu *spu, u64 dsisr)
 112 {
 113         spu_priv1_ops->mfc_dsisr_set(spu, dsisr);
 114 }
 115
 116 static inline void
 117 spu_mfc_sdr_setup (struct spu *spu)
 118 {
 119         spu_priv1_ops->mfc_sdr_setup(spu);
 120 }
 121
 122 static inline void
 123 spu_mfc_sr1_set (struct spu *spu, u64 sr1)
 124 {
 125         spu_priv1_ops->mfc_sr1_set(spu, sr1);
 126 }
 127
 128 static inline u64
 129 spu_mfc_sr1_get (struct spu *spu)
 130 {
 131         return spu_priv1_ops->mfc_sr1_get(spu);
 132 }
 133
 134 static inline void
 135 spu_mfc_tclass_id_set (struct spu *spu, u64 tclass_id)
 136 {
 137         spu_priv1_ops->mfc_tclass_id_set(spu, tclass_id);
 138 }
 139
 140 static inline u64
 141 spu_mfc_tclass_id_get (struct spu *spu)
 142 {
 143         return spu_priv1_ops->mfc_tclass_id_get(spu);
 144 }
 145
 146 static inline void
 147 spu_tlb_invalidate (struct spu *spu)
 148 {
 149         spu_priv1_ops->tlb_invalidate(spu);
 150 }
 151
 152 static inline void
 153 spu_resource_allocation_groupID_set (struct spu *spu, u64 id)
 154 {
 155         spu_priv1_ops->resource_allocation_groupID_set(spu, id);
 156 }
 157
 158 static inline u64
 159 spu_resource_allocation_groupID_get (struct spu *spu)
 160 {
 161         return spu_priv1_ops->resource_allocation_groupID_get(spu);
 162 }
 163
 164 static inline void
 165 spu_resource_allocation_enable_set (struct spu *spu, u64 enable)
 166 {
 167         spu_priv1_ops->resource_allocation_enable_set(spu, enable);
 168 }
 169
 170 static inline u64
 171 spu_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
 178 struct 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
 187 extern const struct spu_management_ops* spu_management_ops;
 188
 189 static inline int
 190 spu_enumerate_spus (int (*fn)(void *data))
 191 {
 192         return spu_management_ops->enumerate_spus(fn);
 193 }
 194
 195 static inline int
 196 spu_create_spu (struct spu *spu, void *data)
 197 {
 198         return spu_management_ops->create_spu(spu, data);
 199 }
 200
 201 static inline int
 202 spu_destroy_spu (struct spu *spu)
 203 {
 204         return spu_management_ops->destroy_spu(spu);
 205 }
 206
 207 static inline int
 208 spu_init_affinity (void)
 209 {
 210         return spu_management_ops->init_affinity();
 211 }
 212
 213 static inline void
 214 spu_enable_spu (struct spu_context *ctx)
 215 {
 216         spu_management_ops->enable_spu(ctx);
 217 }
 218
 219 static inline void
 220 spu_disable_spu (struct spu_context *ctx)
 221 {
 222         spu_management_ops->disable_spu(ctx);
 223 }
 224
 225 /*
 226  * The declarations following are put here for convenience
 227  * and only intended to be used by the platform setup code.
 228  */
 229
 230 extern const struct spu_priv1_ops spu_priv1_mmio_ops;
 231 extern const struct spu_priv1_ops spu_priv1_beat_ops;
 232
 233 extern const struct spu_management_ops spu_management_of_ops;
 234
 235 #endif /* __KERNEL__ */
 236 #endif