LXR linux/arch/powerpc/include/asm/spu.h

   1/*
   2 * SPU core / file system interface and HW structures
   3 *
   4 * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
   5 *
   6 * Author: Arnd Bergmann <arndb@de.ibm.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2, or (at your option)
  11 * any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23#ifndef _SPU_H
  24#define _SPU_H
  25#ifdef __KERNEL__
  26
  27#include <linux/workqueue.h>
  28#include <linux/device.h>
  29#include <linux/mutex.h>
  30
  31#define LS_SIZE (256 * 1024)
  32#define LS_ADDR_MASK (LS_SIZE - 1)
  33
  34#define MFC_PUT_CMD             0x20
  35#define MFC_PUTS_CMD            0x28
  36#define MFC_PUTR_CMD            0x30
  37#define MFC_PUTF_CMD            0x22
  38#define MFC_PUTB_CMD            0x21
  39#define MFC_PUTFS_CMD           0x2A
  40#define MFC_PUTBS_CMD           0x29
  41#define MFC_PUTRF_CMD           0x32
  42#define MFC_PUTRB_CMD           0x31
  43#define MFC_PUTL_CMD            0x24
  44#define MFC_PUTRL_CMD           0x34
  45#define MFC_PUTLF_CMD           0x26
  46#define MFC_PUTLB_CMD           0x25
  47#define MFC_PUTRLF_CMD          0x36
  48#define MFC_PUTRLB_CMD          0x35
  49
  50#define MFC_GET_CMD             0x40
  51#define MFC_GETS_CMD            0x48
  52#define MFC_GETF_CMD            0x42
  53#define MFC_GETB_CMD            0x41
  54#define MFC_GETFS_CMD           0x4A
  55#define MFC_GETBS_CMD           0x49
  56#define MFC_GETL_CMD            0x44
  57#define MFC_GETLF_CMD           0x46
  58#define MFC_GETLB_CMD           0x45
  59
  60#define MFC_SDCRT_CMD           0x80
  61#define MFC_SDCRTST_CMD         0x81
  62#define MFC_SDCRZ_CMD           0x89
  63#define MFC_SDCRS_CMD           0x8D
  64#define MFC_SDCRF_CMD           0x8F
  65
  66#define MFC_GETLLAR_CMD         0xD0
  67#define MFC_PUTLLC_CMD          0xB4
  68#define MFC_PUTLLUC_CMD         0xB0
  69#define MFC_PUTQLLUC_CMD        0xB8
  70#define MFC_SNDSIG_CMD          0xA0
  71#define MFC_SNDSIGB_CMD         0xA1
  72#define MFC_SNDSIGF_CMD         0xA2
  73#define MFC_BARRIER_CMD         0xC0
  74#define MFC_EIEIO_CMD           0xC8
  75#define MFC_SYNC_CMD            0xCC
  76
  77#define MFC_MIN_DMA_SIZE_SHIFT  4       /* 16 bytes */
  78#define MFC_MAX_DMA_SIZE_SHIFT  14      /* 16384 bytes */
  79#define MFC_MIN_DMA_SIZE        (1 << MFC_MIN_DMA_SIZE_SHIFT)
  80#define MFC_MAX_DMA_SIZE        (1 << MFC_MAX_DMA_SIZE_SHIFT)
  81#define MFC_MIN_DMA_SIZE_MASK   (MFC_MIN_DMA_SIZE - 1)
  82#define MFC_MAX_DMA_SIZE_MASK   (MFC_MAX_DMA_SIZE - 1)
  83#define MFC_MIN_DMA_LIST_SIZE   0x0008  /*   8 bytes */
  84#define MFC_MAX_DMA_LIST_SIZE   0x4000  /* 16K bytes */
  85
  86#define MFC_TAGID_TO_TAGMASK(tag_id)  (1 << (tag_id & 0x1F))
  87
  88/* Events for Channels 0-2 */
  89#define MFC_DMA_TAG_STATUS_UPDATE_EVENT     0x00000001
  90#define MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT  0x00000002
  91#define MFC_DMA_QUEUE_AVAILABLE_EVENT       0x00000008
  92#define MFC_SPU_MAILBOX_WRITTEN_EVENT       0x00000010
  93#define MFC_DECREMENTER_EVENT               0x00000020
  94#define MFC_PU_INT_MAILBOX_AVAILABLE_EVENT  0x00000040
  95#define MFC_PU_MAILBOX_AVAILABLE_EVENT      0x00000080
  96#define MFC_SIGNAL_2_EVENT                  0x00000100
  97#define MFC_SIGNAL_1_EVENT                  0x00000200
  98#define MFC_LLR_LOST_EVENT                  0x00000400
  99#define MFC_PRIV_ATTN_EVENT                 0x00000800
 100#define MFC_MULTI_SRC_EVENT                 0x00001000
 101
 102/* Flag indicating progress during context switch. */
 103#define SPU_CONTEXT_SWITCH_PENDING      0UL
 104#define SPU_CONTEXT_FAULT_PENDING       1UL
 105
 106struct spu_context;
 107struct spu_runqueue;
 108struct spu_lscsa;
 109struct device_node;
 110
 111enum spu_utilization_state {
 112        SPU_UTIL_USER,
 113        SPU_UTIL_SYSTEM,
 114        SPU_UTIL_IOWAIT,
 115        SPU_UTIL_IDLE_LOADED,
 116        SPU_UTIL_MAX
 117};
 118
 119struct spu {
 120        const char *name;
 121        unsigned long local_store_phys;
 122        u8 *local_store;
 123        unsigned long problem_phys;
 124        struct spu_problem __iomem *problem;
 125        struct spu_priv2 __iomem *priv2;
 126        struct list_head cbe_list;
 127        struct list_head full_list;
 128        enum { SPU_FREE, SPU_USED } alloc_state;
 129        int number;
 130        unsigned int irqs[3];
 131        u32 node;
 132        unsigned long flags;
 133        u64 class_0_pending;
 134        u64 class_0_dar;
 135        u64 class_1_dar;
 136        u64 class_1_dsisr;
 137        size_t ls_size;
 138        unsigned int slb_replace;
 139        struct mm_struct *mm;
 140        struct spu_context *ctx;
 141        struct spu_runqueue *rq;
 142        unsigned long long timestamp;
 143        pid_t pid;
 144        pid_t tgid;
 145        spinlock_t register_lock;
 146
 147        void (* wbox_callback)(struct spu *spu);
 148        void (* ibox_callback)(struct spu *spu);
 149        void (* stop_callback)(struct spu *spu, int irq);
 150        void (* mfc_callback)(struct spu *spu);
 151
 152        char irq_c0[8];
 153        char irq_c1[8];
 154        char irq_c2[8];
 155
 156        u64 spe_id;
 157
 158        void* pdata; /* platform private data */
 159
 160        /* of based platforms only */
 161        struct device_node *devnode;
 162
 163        /* native only */
 164        struct spu_priv1 __iomem *priv1;
 165
 166        /* beat only */
 167        u64 shadow_int_mask_RW[3];
 168
 169        struct device dev;
 170
 171        int has_mem_affinity;
 172        struct list_head aff_list;
 173
 174        struct {
 175                /* protected by interrupt reentrancy */
 176                enum spu_utilization_state util_state;
 177                unsigned long long tstamp;
 178                unsigned long long times[SPU_UTIL_MAX];
 179                unsigned long long vol_ctx_switch;
 180                unsigned long long invol_ctx_switch;
 181                unsigned long long min_flt;
 182                unsigned long long maj_flt;
 183                unsigned long long hash_flt;
 184                unsigned long long slb_flt;
 185                unsigned long long class2_intr;
 186                unsigned long long libassist;
 187        } stats;
 188};
 189
 190struct cbe_spu_info {
 191        struct mutex list_mutex;
 192        struct list_head spus;
 193        int n_spus;
 194        int nr_active;
 195        atomic_t busy_spus;
 196        atomic_t reserved_spus;
 197};
 198
 199extern struct cbe_spu_info cbe_spu_info[];
 200
 201void spu_init_channels(struct spu *spu);
 202void spu_irq_setaffinity(struct spu *spu, int cpu);
 203
 204void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
 205                void *code, int code_size);
 206
 207extern void spu_invalidate_slbs(struct spu *spu);
 208extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
 209int spu_64k_pages_available(void);
 210
 211/* Calls from the memory management to the SPU */
 212struct mm_struct;
 213extern void spu_flush_all_slbs(struct mm_struct *mm);
 214
 215/* This interface allows a profiler (e.g., OProfile) to store a ref
 216 * to spu context information that it creates.  This caching technique
 217 * avoids the need to recreate this information after a save/restore operation.
 218 *
 219 * Assumes the caller has already incremented the ref count to
 220 * profile_info; then spu_context_destroy must call kref_put
 221 * on prof_info_kref.
 222 */
 223void spu_set_profile_private_kref(struct spu_context *ctx,
 224                                  struct kref *prof_info_kref,
 225                                  void ( * prof_info_release) (struct kref *kref));
 226
 227void *spu_get_profile_private_kref(struct spu_context *ctx);
 228
 229/* system callbacks from the SPU */
 230struct spu_syscall_block {
 231        u64 nr_ret;
 232        u64 parm[6];
 233};
 234extern long spu_sys_callback(struct spu_syscall_block *s);
 235
 236/* syscalls implemented in spufs */
 237struct file;
 238struct spufs_calls {
 239        long (*create_thread)(const char __user *name,
 240                                        unsigned int flags, umode_t mode,
 241                                        struct file *neighbor);
 242        long (*spu_run)(struct file *filp, __u32 __user *unpc,
 243                                                __u32 __user *ustatus);
 244        int (*coredump_extra_notes_size)(void);
 245        int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset);
 246        void (*notify_spus_active)(void);
 247        struct module *owner;
 248};
 249
 250/* return status from spu_run, same as in libspe */
 251#define SPE_EVENT_DMA_ALIGNMENT         0x0008  /*A DMA alignment error */
 252#define SPE_EVENT_SPE_ERROR             0x0010  /*An illegal instruction error*/
 253#define SPE_EVENT_SPE_DATA_SEGMENT      0x0020  /*A DMA segmentation error    */
 254#define SPE_EVENT_SPE_DATA_STORAGE      0x0040  /*A DMA storage error */
 255#define SPE_EVENT_INVALID_DMA           0x0800  /* Invalid MFC DMA */
 256
 257/*
 258 * Flags for sys_spu_create.
 259 */
 260#define SPU_CREATE_EVENTS_ENABLED       0x0001
 261#define SPU_CREATE_GANG                 0x0002
 262#define SPU_CREATE_NOSCHED              0x0004
 263#define SPU_CREATE_ISOLATE              0x0008
 264#define SPU_CREATE_AFFINITY_SPU         0x0010
 265#define SPU_CREATE_AFFINITY_MEM         0x0020
 266
 267#define SPU_CREATE_FLAG_ALL             0x003f /* mask of all valid flags */
 268
 269
 270int register_spu_syscalls(struct spufs_calls *calls);
 271void unregister_spu_syscalls(struct spufs_calls *calls);
 272
 273int spu_add_dev_attr(struct device_attribute *attr);
 274void spu_remove_dev_attr(struct device_attribute *attr);
 275
 276int spu_add_dev_attr_group(struct attribute_group *attrs);
 277void spu_remove_dev_attr_group(struct attribute_group *attrs);
 278
 279int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
 280                unsigned long dsisr, unsigned *flt);
 281
 282/*
 283 * Notifier blocks:
 284 *
 285 * oprofile can get notified when a context switch is performed
 286 * on an spe. The notifer function that gets called is passed
 287 * a pointer to the SPU structure as well as the object-id that
 288 * identifies the binary running on that SPU now.
 289 *
 290 * For a context save, the object-id that is passed is zero,
 291 * identifying that the kernel will run from that moment on.
 292 *
 293 * For a context restore, the object-id is the value written
 294 * to object-id spufs file from user space and the notifer
 295 * function can assume that spu->ctx is valid.
 296 */
 297struct notifier_block;
 298int spu_switch_event_register(struct notifier_block * n);
 299int spu_switch_event_unregister(struct notifier_block * n);
 300
 301extern void notify_spus_active(void);
 302extern void do_notify_spus_active(void);
 303
 304/*
 305 * This defines the Local Store, Problem Area and Privilege Area of an SPU.
 306 */
 307
 308union mfc_tag_size_class_cmd {
 309        struct {
 310                u16 mfc_size;
 311                u16 mfc_tag;
 312                u8  pad;
 313                u8  mfc_rclassid;
 314                u16 mfc_cmd;
 315        } u;
 316        struct {
 317                u32 mfc_size_tag32;
 318                u32 mfc_class_cmd32;
 319        } by32;
 320        u64 all64;
 321};
 322
 323struct mfc_cq_sr {
 324        u64 mfc_cq_data0_RW;
 325        u64 mfc_cq_data1_RW;
 326        u64 mfc_cq_data2_RW;
 327        u64 mfc_cq_data3_RW;
 328};
 329
 330struct spu_problem {
 331#define MS_SYNC_PENDING         1L
 332        u64 spc_mssync_RW;                                      /* 0x0000 */
 333        u8  pad_0x0008_0x3000[0x3000 - 0x0008];
 334
 335        /* DMA Area */
 336        u8  pad_0x3000_0x3004[0x4];                             /* 0x3000 */
 337        u32 mfc_lsa_W;                                          /* 0x3004 */
 338        u64 mfc_ea_W;                                           /* 0x3008 */
 339        union mfc_tag_size_class_cmd mfc_union_W;                       /* 0x3010 */
 340        u8  pad_0x3018_0x3104[0xec];                            /* 0x3018 */
 341        u32 dma_qstatus_R;                                      /* 0x3104 */
 342        u8  pad_0x3108_0x3204[0xfc];                            /* 0x3108 */
 343        u32 dma_querytype_RW;                                   /* 0x3204 */
 344        u8  pad_0x3208_0x321c[0x14];                            /* 0x3208 */
 345        u32 dma_querymask_RW;                                   /* 0x321c */
 346        u8  pad_0x3220_0x322c[0xc];                             /* 0x3220 */
 347        u32 dma_tagstatus_R;                                    /* 0x322c */
 348#define DMA_TAGSTATUS_INTR_ANY  1u
 349#define DMA_TAGSTATUS_INTR_ALL  2u
 350        u8  pad_0x3230_0x4000[0x4000 - 0x3230];                 /* 0x3230 */
 351
 352        /* SPU Control Area */
 353        u8  pad_0x4000_0x4004[0x4];                             /* 0x4000 */
 354        u32 pu_mb_R;                                            /* 0x4004 */
 355        u8  pad_0x4008_0x400c[0x4];                             /* 0x4008 */
 356        u32 spu_mb_W;                                           /* 0x400c */
 357        u8  pad_0x4010_0x4014[0x4];                             /* 0x4010 */
 358        u32 mb_stat_R;                                          /* 0x4014 */
 359        u8  pad_0x4018_0x401c[0x4];                             /* 0x4018 */
 360        u32 spu_runcntl_RW;                                     /* 0x401c */
 361#define SPU_RUNCNTL_STOP        0L
 362#define SPU_RUNCNTL_RUNNABLE    1L
 363#define SPU_RUNCNTL_ISOLATE     2L
 364        u8  pad_0x4020_0x4024[0x4];                             /* 0x4020 */
 365        u32 spu_status_R;                                       /* 0x4024 */
 366#define SPU_STOP_STATUS_SHIFT           16
 367#define SPU_STATUS_STOPPED              0x0
 368#define SPU_STATUS_RUNNING              0x1
 369#define SPU_STATUS_STOPPED_BY_STOP      0x2
 370#define SPU_STATUS_STOPPED_BY_HALT      0x4
 371#define SPU_STATUS_WAITING_FOR_CHANNEL  0x8
 372#define SPU_STATUS_SINGLE_STEP          0x10
 373#define SPU_STATUS_INVALID_INSTR        0x20
 374#define SPU_STATUS_INVALID_CH           0x40
 375#define SPU_STATUS_ISOLATED_STATE       0x80
 376#define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
 377#define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
 378        u8  pad_0x4028_0x402c[0x4];                             /* 0x4028 */
 379        u32 spu_spe_R;                                          /* 0x402c */
 380        u8  pad_0x4030_0x4034[0x4];                             /* 0x4030 */
 381        u32 spu_npc_RW;                                         /* 0x4034 */
 382        u8  pad_0x4038_0x14000[0x14000 - 0x4038];               /* 0x4038 */
 383
 384        /* Signal Notification Area */
 385        u8  pad_0x14000_0x1400c[0xc];                           /* 0x14000 */
 386        u32 signal_notify1;                                     /* 0x1400c */
 387        u8  pad_0x14010_0x1c00c[0x7ffc];                        /* 0x14010 */
 388        u32 signal_notify2;                                     /* 0x1c00c */
 389} __attribute__ ((aligned(0x20000)));
 390
 391/* SPU Privilege 2 State Area */
 392struct spu_priv2 {
 393        /* MFC Registers */
 394        u8  pad_0x0000_0x1100[0x1100 - 0x0000];                 /* 0x0000 */
 395
 396        /* SLB Management Registers */
 397        u8  pad_0x1100_0x1108[0x8];                             /* 0x1100 */
 398        u64 slb_index_W;                                        /* 0x1108 */
 399#define SLB_INDEX_MASK                          0x7L
 400        u64 slb_esid_RW;                                        /* 0x1110 */
 401        u64 slb_vsid_RW;                                        /* 0x1118 */
 402#define SLB_VSID_SUPERVISOR_STATE       (0x1ull << 11)
 403#define SLB_VSID_SUPERVISOR_STATE_MASK  (0x1ull << 11)
 404#define SLB_VSID_PROBLEM_STATE          (0x1ull << 10)
 405#define SLB_VSID_PROBLEM_STATE_MASK     (0x1ull << 10)
 406#define SLB_VSID_EXECUTE_SEGMENT        (0x1ull << 9)
 407#define SLB_VSID_NO_EXECUTE_SEGMENT     (0x1ull << 9)
 408#define SLB_VSID_EXECUTE_SEGMENT_MASK   (0x1ull << 9)
 409#define SLB_VSID_4K_PAGE                (0x0 << 8)
 410#define SLB_VSID_LARGE_PAGE             (0x1ull << 8)
 411#define SLB_VSID_PAGE_SIZE_MASK         (0x1ull << 8)
 412#define SLB_VSID_CLASS_MASK             (0x1ull << 7)
 413#define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
 414        u64 slb_invalidate_entry_W;                             /* 0x1120 */
 415        u64 slb_invalidate_all_W;                               /* 0x1128 */
 416        u8  pad_0x1130_0x2000[0x2000 - 0x1130];                 /* 0x1130 */
 417
 418        /* Context Save / Restore Area */
 419        struct mfc_cq_sr spuq[16];                              /* 0x2000 */
 420        struct mfc_cq_sr puq[8];                                /* 0x2200 */
 421        u8  pad_0x2300_0x3000[0x3000 - 0x2300];                 /* 0x2300 */
 422
 423        /* MFC Control */
 424        u64 mfc_control_RW;                                     /* 0x3000 */
 425#define MFC_CNTL_RESUME_DMA_QUEUE               (0ull << 0)
 426#define MFC_CNTL_SUSPEND_DMA_QUEUE              (1ull << 0)
 427#define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK         (1ull << 0)
 428#define MFC_CNTL_SUSPEND_MASK                   (1ull << 4)
 429#define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION     (0ull << 8)
 430#define MFC_CNTL_SUSPEND_IN_PROGRESS            (1ull << 8)
 431#define MFC_CNTL_SUSPEND_COMPLETE               (3ull << 8)
 432#define MFC_CNTL_SUSPEND_DMA_STATUS_MASK        (3ull << 8)
 433#define MFC_CNTL_DMA_QUEUES_EMPTY               (1ull << 14)
 434#define MFC_CNTL_DMA_QUEUES_EMPTY_MASK          (1ull << 14)
 435#define MFC_CNTL_PURGE_DMA_REQUEST              (1ull << 15)
 436#define MFC_CNTL_PURGE_DMA_IN_PROGRESS          (1ull << 24)
 437#define MFC_CNTL_PURGE_DMA_COMPLETE             (3ull << 24)
 438#define MFC_CNTL_PURGE_DMA_STATUS_MASK          (3ull << 24)
 439#define MFC_CNTL_RESTART_DMA_COMMAND            (1ull << 32)
 440#define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING    (1ull << 32)
 441#define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
 442#define MFC_CNTL_MFC_PRIVILEGE_STATE            (2ull << 33)
 443#define MFC_CNTL_MFC_PROBLEM_STATE              (3ull << 33)
 444#define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK  (3ull << 33)
 445#define MFC_CNTL_DECREMENTER_HALTED             (1ull << 35)
 446#define MFC_CNTL_DECREMENTER_RUNNING            (1ull << 40)
 447#define MFC_CNTL_DECREMENTER_STATUS_MASK        (1ull << 40)
 448        u8  pad_0x3008_0x4000[0x4000 - 0x3008];                 /* 0x3008 */
 449
 450        /* Interrupt Mailbox */
 451        u64 puint_mb_R;                                         /* 0x4000 */
 452        u8  pad_0x4008_0x4040[0x4040 - 0x4008];                 /* 0x4008 */
 453
 454        /* SPU Control */
 455        u64 spu_privcntl_RW;                                    /* 0x4040 */
 456#define SPU_PRIVCNTL_MODE_NORMAL                (0x0ull << 0)
 457#define SPU_PRIVCNTL_MODE_SINGLE_STEP           (0x1ull << 0)
 458#define SPU_PRIVCNTL_MODE_MASK                  (0x1ull << 0)
 459#define SPU_PRIVCNTL_NO_ATTENTION_EVENT         (0x0ull << 1)
 460#define SPU_PRIVCNTL_ATTENTION_EVENT            (0x1ull << 1)
 461#define SPU_PRIVCNTL_ATTENTION_EVENT_MASK       (0x1ull << 1)
 462#define SPU_PRIVCNT_LOAD_REQUEST_NORMAL         (0x0ull << 2)
 463#define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK    (0x1ull << 2)
 464        u8  pad_0x4048_0x4058[0x10];                            /* 0x4048 */
 465        u64 spu_lslr_RW;                                        /* 0x4058 */
 466        u64 spu_chnlcntptr_RW;                                  /* 0x4060 */
 467        u64 spu_chnlcnt_RW;                                     /* 0x4068 */
 468        u64 spu_chnldata_RW;                                    /* 0x4070 */
 469        u64 spu_cfg_RW;                                         /* 0x4078 */
 470        u8  pad_0x4080_0x5000[0x5000 - 0x4080];                 /* 0x4080 */
 471
 472        /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
 473        u64 spu_pm_trace_tag_status_RW;                         /* 0x5000 */
 474        u64 spu_tag_status_query_RW;                            /* 0x5008 */
 475#define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
 476#define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
 477        u64 spu_cmd_buf1_RW;                                    /* 0x5010 */
 478#define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
 479#define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
 480        u64 spu_cmd_buf2_RW;                                    /* 0x5018 */
 481#define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
 482#define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
 483#define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
 484        u64 spu_atomic_status_RW;                               /* 0x5020 */
 485} __attribute__ ((aligned(0x20000)));
 486
 487/* SPU Privilege 1 State Area */
 488struct spu_priv1 {
 489        /* Control and Configuration Area */
 490        u64 mfc_sr1_RW;                                         /* 0x000 */
 491#define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK    0x01ull
 492#define MFC_STATE1_BUS_TLBIE_MASK               0x02ull
 493#define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
 494#define MFC_STATE1_PROBLEM_STATE_MASK           0x08ull
 495#define MFC_STATE1_RELOCATE_MASK                0x10ull
 496#define MFC_STATE1_MASTER_RUN_CONTROL_MASK      0x20ull
 497#define MFC_STATE1_TABLE_SEARCH_MASK            0x40ull
 498        u64 mfc_lpid_RW;                                        /* 0x008 */
 499        u64 spu_idr_RW;                                         /* 0x010 */
 500        u64 mfc_vr_RO;                                          /* 0x018 */
 501#define MFC_VERSION_BITS                (0xffff << 16)
 502#define MFC_REVISION_BITS               (0xffff)
 503#define MFC_GET_VERSION_BITS(vr)        (((vr) & MFC_VERSION_BITS) >> 16)
 504#define MFC_GET_REVISION_BITS(vr)       ((vr) & MFC_REVISION_BITS)
 505        u64 spu_vr_RO;                                          /* 0x020 */
 506#define SPU_VERSION_BITS                (0xffff << 16)
 507#define SPU_REVISION_BITS               (0xffff)
 508#define SPU_GET_VERSION_BITS(vr)        (vr & SPU_VERSION_BITS) >> 16
 509#define SPU_GET_REVISION_BITS(vr)       (vr & SPU_REVISION_BITS)
 510        u8  pad_0x28_0x100[0x100 - 0x28];                       /* 0x28 */
 511
 512        /* Interrupt Area */
 513        u64 int_mask_RW[3];                                     /* 0x100 */
 514#define CLASS0_ENABLE_DMA_ALIGNMENT_INTR                0x1L
 515#define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR          0x2L
 516#define CLASS0_ENABLE_SPU_ERROR_INTR                    0x4L
 517#define CLASS0_ENABLE_MFC_FIR_INTR                      0x8L
 518#define CLASS1_ENABLE_SEGMENT_FAULT_INTR                0x1L
 519#define CLASS1_ENABLE_STORAGE_FAULT_INTR                0x2L
 520#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR    0x4L
 521#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR    0x8L
 522#define CLASS2_ENABLE_MAILBOX_INTR                      0x1L
 523#define CLASS2_ENABLE_SPU_STOP_INTR                     0x2L
 524#define CLASS2_ENABLE_SPU_HALT_INTR                     0x4L
 525#define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR   0x8L
 526#define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR            0x10L
 527        u8  pad_0x118_0x140[0x28];                              /* 0x118 */
 528        u64 int_stat_RW[3];                                     /* 0x140 */
 529#define CLASS0_DMA_ALIGNMENT_INTR                       0x1L
 530#define CLASS0_INVALID_DMA_COMMAND_INTR                 0x2L
 531#define CLASS0_SPU_ERROR_INTR                           0x4L
 532#define CLASS0_INTR_MASK                                0x7L
 533#define CLASS1_SEGMENT_FAULT_INTR                       0x1L
 534#define CLASS1_STORAGE_FAULT_INTR                       0x2L
 535#define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR           0x4L
 536#define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR           0x8L
 537#define CLASS1_INTR_MASK                                0xfL
 538#define CLASS2_MAILBOX_INTR                             0x1L
 539#define CLASS2_SPU_STOP_INTR                            0x2L
 540#define CLASS2_SPU_HALT_INTR                            0x4L
 541#define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR          0x8L
 542#define CLASS2_MAILBOX_THRESHOLD_INTR                   0x10L
 543#define CLASS2_INTR_MASK                                0x1fL
 544        u8  pad_0x158_0x180[0x28];                              /* 0x158 */
 545        u64 int_route_RW;                                       /* 0x180 */
 546
 547        /* Interrupt Routing */
 548        u8  pad_0x188_0x200[0x200 - 0x188];                     /* 0x188 */
 549
 550        /* Atomic Unit Control Area */
 551        u64 mfc_atomic_flush_RW;                                /* 0x200 */
 552#define mfc_atomic_flush_enable                 0x1L
 553        u8  pad_0x208_0x280[0x78];                              /* 0x208 */
 554        u64 resource_allocation_groupID_RW;                     /* 0x280 */
 555        u64 resource_allocation_enable_RW;                      /* 0x288 */
 556        u8  pad_0x290_0x3c8[0x3c8 - 0x290];                     /* 0x290 */
 557
 558        /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
 559
 560        u64 smf_sbi_signal_sel;                                 /* 0x3c8 */
 561#define smf_sbi_mask_lsb        56
 562#define smf_sbi_shift           (63 - smf_sbi_mask_lsb)
 563#define smf_sbi_mask            (0x301LL << smf_sbi_shift)
 564#define smf_sbi_bus0_bits       (0x001LL << smf_sbi_shift)
 565#define smf_sbi_bus2_bits       (0x100LL << smf_sbi_shift)
 566#define smf_sbi2_bus0_bits      (0x201LL << smf_sbi_shift)
 567#define smf_sbi2_bus2_bits      (0x300LL << smf_sbi_shift)
 568        u64 smf_ato_signal_sel;                                 /* 0x3d0 */
 569#define smf_ato_mask_lsb        35
 570#define smf_ato_shift           (63 - smf_ato_mask_lsb)
 571#define smf_ato_mask            (0x3LL << smf_ato_shift)
 572#define smf_ato_bus0_bits       (0x2LL << smf_ato_shift)
 573#define smf_ato_bus2_bits       (0x1LL << smf_ato_shift)
 574        u8  pad_0x3d8_0x400[0x400 - 0x3d8];                     /* 0x3d8 */
 575
 576        /* TLB Management Registers */
 577        u64 mfc_sdr_RW;                                         /* 0x400 */
 578        u8  pad_0x408_0x500[0xf8];                              /* 0x408 */
 579        u64 tlb_index_hint_RO;                                  /* 0x500 */
 580        u64 tlb_index_W;                                        /* 0x508 */
 581        u64 tlb_vpn_RW;                                         /* 0x510 */
 582        u64 tlb_rpn_RW;                                         /* 0x518 */
 583        u8  pad_0x520_0x540[0x20];                              /* 0x520 */
 584        u64 tlb_invalidate_entry_W;                             /* 0x540 */
 585        u64 tlb_invalidate_all_W;                               /* 0x548 */
 586        u8  pad_0x550_0x580[0x580 - 0x550];                     /* 0x550 */
 587
 588        /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
 589        u64 smm_hid;                                            /* 0x580 */
 590#define PAGE_SIZE_MASK          0xf000000000000000ull
 591#define PAGE_SIZE_16MB_64KB     0x2000000000000000ull
 592        u8  pad_0x588_0x600[0x600 - 0x588];                     /* 0x588 */
 593
 594        /* MFC Status/Control Area */
 595        u64 mfc_accr_RW;                                        /* 0x600 */
 596#define MFC_ACCR_EA_ACCESS_GET          (1 << 0)
 597#define MFC_ACCR_EA_ACCESS_PUT          (1 << 1)
 598#define MFC_ACCR_LS_ACCESS_GET          (1 << 3)
 599#define MFC_ACCR_LS_ACCESS_PUT          (1 << 4)
 600        u8  pad_0x608_0x610[0x8];                               /* 0x608 */
 601        u64 mfc_dsisr_RW;                                       /* 0x610 */
 602#define MFC_DSISR_PTE_NOT_FOUND         (1 << 30)
 603#define MFC_DSISR_ACCESS_DENIED         (1 << 27)
 604#define MFC_DSISR_ATOMIC                (1 << 26)
 605#define MFC_DSISR_ACCESS_PUT            (1 << 25)
 606#define MFC_DSISR_ADDR_MATCH            (1 << 22)
 607#define MFC_DSISR_LS                    (1 << 17)
 608#define MFC_DSISR_L                     (1 << 16)
 609#define MFC_DSISR_ADDRESS_OVERFLOW      (1 << 0)
 610        u8  pad_0x618_0x620[0x8];                               /* 0x618 */
 611        u64 mfc_dar_RW;                                         /* 0x620 */
 612        u8  pad_0x628_0x700[0x700 - 0x628];                     /* 0x628 */
 613
 614        /* Replacement Management Table (RMT) Area */
 615        u64 rmt_index_RW;                                       /* 0x700 */
 616        u8  pad_0x708_0x710[0x8];                               /* 0x708 */
 617        u64 rmt_data1_RW;                                       /* 0x710 */
 618        u8  pad_0x718_0x800[0x800 - 0x718];                     /* 0x718 */
 619
 620        /* Control/Configuration Registers */
 621        u64 mfc_dsir_R;                                         /* 0x800 */
 622#define MFC_DSIR_Q                      (1 << 31)
 623#define MFC_DSIR_SPU_QUEUE              MFC_DSIR_Q
 624        u64 mfc_lsacr_RW;                                       /* 0x808 */
 625#define MFC_LSACR_COMPARE_MASK          ((~0ull) << 32)
 626#define MFC_LSACR_COMPARE_ADDR          ((~0ull) >> 32)
 627        u64 mfc_lscrr_R;                                        /* 0x810 */
 628#define MFC_LSCRR_Q                     (1 << 31)
 629#define MFC_LSCRR_SPU_QUEUE             MFC_LSCRR_Q
 630#define MFC_LSCRR_QI_SHIFT              32
 631#define MFC_LSCRR_QI_MASK               ((~0ull) << MFC_LSCRR_QI_SHIFT)
 632        u8  pad_0x818_0x820[0x8];                               /* 0x818 */
 633        u64 mfc_tclass_id_RW;                                   /* 0x820 */
 634#define MFC_TCLASS_ID_ENABLE            (1L << 0L)
 635#define MFC_TCLASS_SLOT2_ENABLE         (1L << 5L)
 636#define MFC_TCLASS_SLOT1_ENABLE         (1L << 6L)
 637#define MFC_TCLASS_SLOT0_ENABLE         (1L << 7L)
 638#define MFC_TCLASS_QUOTA_2_SHIFT        8L
 639#define MFC_TCLASS_QUOTA_1_SHIFT        16L
 640#define MFC_TCLASS_QUOTA_0_SHIFT        24L
 641#define MFC_TCLASS_QUOTA_2_MASK         (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
 642#define MFC_TCLASS_QUOTA_1_MASK         (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
 643#define MFC_TCLASS_QUOTA_0_MASK         (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
 644        u8  pad_0x828_0x900[0x900 - 0x828];                     /* 0x828 */
 645
 646        /* Real Mode Support Registers */
 647        u64 mfc_rm_boundary;                                    /* 0x900 */
 648        u8  pad_0x908_0x938[0x30];                              /* 0x908 */
 649        u64 smf_dma_signal_sel;                                 /* 0x938 */
 650#define mfc_dma1_mask_lsb       41
 651#define mfc_dma1_shift          (63 - mfc_dma1_mask_lsb)
 652#define mfc_dma1_mask           (0x3LL << mfc_dma1_shift)
 653#define mfc_dma1_bits           (0x1LL << mfc_dma1_shift)
 654#define mfc_dma2_mask_lsb       43
 655#define mfc_dma2_shift          (63 - mfc_dma2_mask_lsb)
 656#define mfc_dma2_mask           (0x3LL << mfc_dma2_shift)
 657#define mfc_dma2_bits           (0x1LL << mfc_dma2_shift)
 658        u8  pad_0x940_0xa38[0xf8];                              /* 0x940 */
 659        u64 smm_signal_sel;                                     /* 0xa38 */
 660#define smm_sig_mask_lsb        12
 661#define smm_sig_shift           (63 - smm_sig_mask_lsb)
 662#define smm_sig_mask            (0x3LL << smm_sig_shift)
 663#define smm_sig_bus0_bits       (0x2LL << smm_sig_shift)
 664#define smm_sig_bus2_bits       (0x1LL << smm_sig_shift)
 665        u8  pad_0xa40_0xc00[0xc00 - 0xa40];                     /* 0xa40 */
 666
 667        /* DMA Command Error Area */
 668        u64 mfc_cer_R;                                          /* 0xc00 */
 669#define MFC_CER_Q               (1 << 31)
 670#define MFC_CER_SPU_QUEUE       MFC_CER_Q
 671        u8  pad_0xc08_0x1000[0x1000 - 0xc08];                   /* 0xc08 */
 672
 673        /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
 674        /* DMA Command Error Area */
 675        u64 spu_ecc_cntl_RW;                                    /* 0x1000 */
 676#define SPU_ECC_CNTL_E                  (1ull << 0ull)
 677#define SPU_ECC_CNTL_ENABLE             SPU_ECC_CNTL_E
 678#define SPU_ECC_CNTL_DISABLE            (~SPU_ECC_CNTL_E & 1L)
 679#define SPU_ECC_CNTL_S                  (1ull << 1ull)
 680#define SPU_ECC_STOP_AFTER_ERROR        SPU_ECC_CNTL_S
 681#define SPU_ECC_CONTINUE_AFTER_ERROR    (~SPU_ECC_CNTL_S & 2L)
 682#define SPU_ECC_CNTL_B                  (1ull << 2ull)
 683#define SPU_ECC_BACKGROUND_ENABLE       SPU_ECC_CNTL_B
 684#define SPU_ECC_BACKGROUND_DISABLE      (~SPU_ECC_CNTL_B & 4L)
 685#define SPU_ECC_CNTL_I_SHIFT            3ull
 686#define SPU_ECC_CNTL_I_MASK             (3ull << SPU_ECC_CNTL_I_SHIFT)
 687#define SPU_ECC_WRITE_ALWAYS            (~SPU_ECC_CNTL_I & 12L)
 688#define SPU_ECC_WRITE_CORRECTABLE       (1ull << SPU_ECC_CNTL_I_SHIFT)
 689#define SPU_ECC_WRITE_UNCORRECTABLE     (3ull << SPU_ECC_CNTL_I_SHIFT)
 690#define SPU_ECC_CNTL_D                  (1ull << 5ull)
 691#define SPU_ECC_DETECTION_ENABLE        SPU_ECC_CNTL_D
 692#define SPU_ECC_DETECTION_DISABLE       (~SPU_ECC_CNTL_D & 32L)
 693        u64 spu_ecc_stat_RW;                                    /* 0x1008 */
 694#define SPU_ECC_CORRECTED_ERROR         (1ull << 0ul)
 695#define SPU_ECC_UNCORRECTED_ERROR       (1ull << 1ul)
 696#define SPU_ECC_SCRUB_COMPLETE          (1ull << 2ul)
 697#define SPU_ECC_SCRUB_IN_PROGRESS       (1ull << 3ul)
 698#define SPU_ECC_INSTRUCTION_ERROR       (1ull << 4ul)
 699#define SPU_ECC_DATA_ERROR              (1ull << 5ul)
 700#define SPU_ECC_DMA_ERROR               (1ull << 6ul)
 701#define SPU_ECC_STATUS_CNT_MASK         (256ull << 8)
 702        u64 spu_ecc_addr_RW;                                    /* 0x1010 */
 703        u64 spu_err_mask_RW;                                    /* 0x1018 */
 704#define SPU_ERR_ILLEGAL_INSTR           (1ull << 0ul)
 705#define SPU_ERR_ILLEGAL_CHANNEL         (1ull << 1ul)
 706        u8  pad_0x1020_0x1028[0x1028 - 0x1020];                 /* 0x1020 */
 707
 708        /* SPU Debug-Trace Bus (DTB) Selection Registers */
 709        u64 spu_trig0_sel;                                      /* 0x1028 */
 710        u64 spu_trig1_sel;                                      /* 0x1030 */
 711        u64 spu_trig2_sel;                                      /* 0x1038 */
 712        u64 spu_trig3_sel;                                      /* 0x1040 */
 713        u64 spu_trace_sel;                                      /* 0x1048 */
 714#define spu_trace_sel_mask              0x1f1fLL
 715#define spu_trace_sel_bus0_bits         0x1000LL
 716#define spu_trace_sel_bus2_bits         0x0010LL
 717        u64 spu_event0_sel;                                     /* 0x1050 */
 718        u64 spu_event1_sel;                                     /* 0x1058 */
 719        u64 spu_event2_sel;                                     /* 0x1060 */
 720        u64 spu_event3_sel;                                     /* 0x1068 */
 721        u64 spu_trace_cntl;                                     /* 0x1070 */
 722} __attribute__ ((aligned(0x2000)));
 723
 724#endif /* __KERNEL__ */
 725#endif
 726