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