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spu.h

/*
 * SPU core / file system interface and HW structures
 *
 * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
 *
 * Author: Arnd Bergmann <arndb@de.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _SPU_H
#define _SPU_H
#ifdef __KERNEL__

#include <linux/workqueue.h>
#include <linux/sysdev.h>

#define LS_SIZE (256 * 1024)
#define LS_ADDR_MASK (LS_SIZE - 1)

#define MFC_PUT_CMD             0x20
#define MFC_PUTS_CMD            0x28
#define MFC_PUTR_CMD            0x30
#define MFC_PUTF_CMD            0x22
#define MFC_PUTB_CMD            0x21
#define MFC_PUTFS_CMD           0x2A
#define MFC_PUTBS_CMD           0x29
#define MFC_PUTRF_CMD           0x32
#define MFC_PUTRB_CMD           0x31
#define MFC_PUTL_CMD            0x24
#define MFC_PUTRL_CMD           0x34
#define MFC_PUTLF_CMD           0x26
#define MFC_PUTLB_CMD           0x25
#define MFC_PUTRLF_CMD          0x36
#define MFC_PUTRLB_CMD          0x35

#define MFC_GET_CMD             0x40
#define MFC_GETS_CMD            0x48
#define MFC_GETF_CMD            0x42
#define MFC_GETB_CMD            0x41
#define MFC_GETFS_CMD           0x4A
#define MFC_GETBS_CMD           0x49
#define MFC_GETL_CMD            0x44
#define MFC_GETLF_CMD           0x46
#define MFC_GETLB_CMD           0x45

#define MFC_SDCRT_CMD           0x80
#define MFC_SDCRTST_CMD         0x81
#define MFC_SDCRZ_CMD           0x89
#define MFC_SDCRS_CMD           0x8D
#define MFC_SDCRF_CMD           0x8F

#define MFC_GETLLAR_CMD         0xD0
#define MFC_PUTLLC_CMD          0xB4
#define MFC_PUTLLUC_CMD         0xB0
#define MFC_PUTQLLUC_CMD        0xB8
#define MFC_SNDSIG_CMD          0xA0
#define MFC_SNDSIGB_CMD         0xA1
#define MFC_SNDSIGF_CMD         0xA2
#define MFC_BARRIER_CMD         0xC0
#define MFC_EIEIO_CMD           0xC8
#define MFC_SYNC_CMD            0xCC

#define MFC_MIN_DMA_SIZE_SHIFT  4       /* 16 bytes */
#define MFC_MAX_DMA_SIZE_SHIFT  14      /* 16384 bytes */
#define MFC_MIN_DMA_SIZE        (1 << MFC_MIN_DMA_SIZE_SHIFT)
#define MFC_MAX_DMA_SIZE        (1 << MFC_MAX_DMA_SIZE_SHIFT)
#define MFC_MIN_DMA_SIZE_MASK   (MFC_MIN_DMA_SIZE - 1)
#define MFC_MAX_DMA_SIZE_MASK   (MFC_MAX_DMA_SIZE - 1)
#define MFC_MIN_DMA_LIST_SIZE   0x0008  /*   8 bytes */
#define MFC_MAX_DMA_LIST_SIZE   0x4000  /* 16K bytes */

#define MFC_TAGID_TO_TAGMASK(tag_id)  (1 << (tag_id & 0x1F))

/* Events for Channels 0-2 */
#define MFC_DMA_TAG_STATUS_UPDATE_EVENT     0x00000001
#define MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT  0x00000002
#define MFC_DMA_QUEUE_AVAILABLE_EVENT       0x00000008
#define MFC_SPU_MAILBOX_WRITTEN_EVENT       0x00000010
#define MFC_DECREMENTER_EVENT               0x00000020
#define MFC_PU_INT_MAILBOX_AVAILABLE_EVENT  0x00000040
#define MFC_PU_MAILBOX_AVAILABLE_EVENT      0x00000080
#define MFC_SIGNAL_2_EVENT                  0x00000100
#define MFC_SIGNAL_1_EVENT                  0x00000200
#define MFC_LLR_LOST_EVENT                  0x00000400
#define MFC_PRIV_ATTN_EVENT                 0x00000800
#define MFC_MULTI_SRC_EVENT                 0x00001000

/* Flag indicating progress during context switch. */
#define SPU_CONTEXT_SWITCH_PENDING  0UL
#define SPU_CONTEXT_FAULT_PENDING   1UL

struct spu_context;
struct spu_runqueue;
struct spu_lscsa;
struct device_node;

enum spu_utilization_state {
      SPU_UTIL_USER,
      SPU_UTIL_SYSTEM,
      SPU_UTIL_IOWAIT,
      SPU_UTIL_IDLE_LOADED,
      SPU_UTIL_MAX
};

struct spu {
      const char *name;
      unsigned long local_store_phys;
      u8 *local_store;
      unsigned long problem_phys;
      struct spu_problem __iomem *problem;
      struct spu_priv2 __iomem *priv2;
      struct list_head cbe_list;
      struct list_head full_list;
      enum { SPU_FREE, SPU_USED } alloc_state;
      int number;
      unsigned int irqs[3];
      u32 node;
      u64 flags;
      u64 class_0_pending;
      u64 class_0_dar;
      u64 class_1_dar;
      u64 class_1_dsisr;
      size_t ls_size;
      unsigned int slb_replace;
      struct mm_struct *mm;
      struct spu_context *ctx;
      struct spu_runqueue *rq;
      unsigned long long timestamp;
      pid_t pid;
      pid_t tgid;
      spinlock_t register_lock;

      void (* wbox_callback)(struct spu *spu);
      void (* ibox_callback)(struct spu *spu);
      void (* stop_callback)(struct spu *spu, int irq);
      void (* mfc_callback)(struct spu *spu);

      char irq_c0[8];
      char irq_c1[8];
      char irq_c2[8];

      u64 spe_id;

      void* pdata; /* platform private data */

      /* of based platforms only */
      struct device_node *devnode;

      /* native only */
      struct spu_priv1 __iomem *priv1;

      /* beat only */
      u64 shadow_int_mask_RW[3];

      struct sys_device sysdev;

      int has_mem_affinity;
      struct list_head aff_list;

      struct {
            /* protected by interrupt reentrancy */
            enum spu_utilization_state util_state;
            unsigned long long tstamp;
            unsigned long long times[SPU_UTIL_MAX];
            unsigned long long vol_ctx_switch;
            unsigned long long invol_ctx_switch;
            unsigned long long min_flt;
            unsigned long long maj_flt;
            unsigned long long hash_flt;
            unsigned long long slb_flt;
            unsigned long long class2_intr;
            unsigned long long libassist;
      } stats;
};

struct cbe_spu_info {
      struct mutex list_mutex;
      struct list_head spus;
      int n_spus;
      int nr_active;
      atomic_t busy_spus;
      atomic_t reserved_spus;
};

extern struct cbe_spu_info cbe_spu_info[];

void spu_init_channels(struct spu *spu);
void spu_irq_setaffinity(struct spu *spu, int cpu);

void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
            void *code, int code_size);

#ifdef CONFIG_KEXEC
void crash_register_spus(struct list_head *list);
#else
static inline void crash_register_spus(struct list_head *list)
{
}
#endif

extern void spu_invalidate_slbs(struct spu *spu);
extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
int spu_64k_pages_available(void);

/* Calls from the memory management to the SPU */
struct mm_struct;
extern void spu_flush_all_slbs(struct mm_struct *mm);

/* This interface allows a profiler (e.g., OProfile) to store a ref
 * to spu context information that it creates.  This caching technique
 * avoids the need to recreate this information after a save/restore operation.
 *
 * Assumes the caller has already incremented the ref count to
 * profile_info; then spu_context_destroy must call kref_put
 * on prof_info_kref.
 */
void spu_set_profile_private_kref(struct spu_context *ctx,
                          struct kref *prof_info_kref,
                          void ( * prof_info_release) (struct kref *kref));

void *spu_get_profile_private_kref(struct spu_context *ctx);

/* system callbacks from the SPU */
struct spu_syscall_block {
      u64 nr_ret;
      u64 parm[6];
};
extern long spu_sys_callback(struct spu_syscall_block *s);

/* syscalls implemented in spufs */
struct file;
struct spufs_calls {
      long (*create_thread)(const char __user *name,
                              unsigned int flags, mode_t mode,
                              struct file *neighbor);
      long (*spu_run)(struct file *filp, __u32 __user *unpc,
                                    __u32 __user *ustatus);
      int (*coredump_extra_notes_size)(void);
      int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset);
      void (*notify_spus_active)(void);
      struct module *owner;
};

/* return status from spu_run, same as in libspe */
#define SPE_EVENT_DMA_ALIGNMENT           0x0008      /*A DMA alignment error */
#define SPE_EVENT_SPE_ERROR         0x0010      /*An illegal instruction error*/
#define SPE_EVENT_SPE_DATA_SEGMENT  0x0020      /*A DMA segmentation error    */
#define SPE_EVENT_SPE_DATA_STORAGE  0x0040      /*A DMA storage error */
#define SPE_EVENT_INVALID_DMA       0x0800      /* Invalid MFC DMA */

/*
 * Flags for sys_spu_create.
 */
#define SPU_CREATE_EVENTS_ENABLED   0x0001
#define SPU_CREATE_GANG             0x0002
#define SPU_CREATE_NOSCHED          0x0004
#define SPU_CREATE_ISOLATE          0x0008
#define SPU_CREATE_AFFINITY_SPU           0x0010
#define SPU_CREATE_AFFINITY_MEM           0x0020

#define SPU_CREATE_FLAG_ALL         0x003f /* mask of all valid flags */


int register_spu_syscalls(struct spufs_calls *calls);
void unregister_spu_syscalls(struct spufs_calls *calls);

int spu_add_sysdev_attr(struct sysdev_attribute *attr);
void spu_remove_sysdev_attr(struct sysdev_attribute *attr);

int spu_add_sysdev_attr_group(struct attribute_group *attrs);
void spu_remove_sysdev_attr_group(struct attribute_group *attrs);

int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
            unsigned long dsisr, unsigned *flt);

/*
 * Notifier blocks:
 *
 * oprofile can get notified when a context switch is performed
 * on an spe. The notifer function that gets called is passed
 * a pointer to the SPU structure as well as the object-id that
 * identifies the binary running on that SPU now.
 *
 * For a context save, the object-id that is passed is zero,
 * identifying that the kernel will run from that moment on.
 *
 * For a context restore, the object-id is the value written
 * to object-id spufs file from user space and the notifer
 * function can assume that spu->ctx is valid.
 */
struct notifier_block;
int spu_switch_event_register(struct notifier_block * n);
int spu_switch_event_unregister(struct notifier_block * n);

extern void notify_spus_active(void);
extern void do_notify_spus_active(void);

/*
 * This defines the Local Store, Problem Area and Privilege Area of an SPU.
 */

union mfc_tag_size_class_cmd {
      struct {
            u16 mfc_size;
            u16 mfc_tag;
            u8  pad;
            u8  mfc_rclassid;
            u16 mfc_cmd;
      } u;
      struct {
            u32 mfc_size_tag32;
            u32 mfc_class_cmd32;
      } by32;
      u64 all64;
};

struct mfc_cq_sr {
      u64 mfc_cq_data0_RW;
      u64 mfc_cq_data1_RW;
      u64 mfc_cq_data2_RW;
      u64 mfc_cq_data3_RW;
};

struct spu_problem {
#define MS_SYNC_PENDING         1L
      u64 spc_mssync_RW;                              /* 0x0000 */
      u8  pad_0x0008_0x3000[0x3000 - 0x0008];

      /* DMA Area */
      u8  pad_0x3000_0x3004[0x4];                     /* 0x3000 */
      u32 mfc_lsa_W;                                  /* 0x3004 */
      u64 mfc_ea_W;                                   /* 0x3008 */
      union mfc_tag_size_class_cmd mfc_union_W;             /* 0x3010 */
      u8  pad_0x3018_0x3104[0xec];                    /* 0x3018 */
      u32 dma_qstatus_R;                              /* 0x3104 */
      u8  pad_0x3108_0x3204[0xfc];                    /* 0x3108 */
      u32 dma_querytype_RW;                           /* 0x3204 */
      u8  pad_0x3208_0x321c[0x14];                    /* 0x3208 */
      u32 dma_querymask_RW;                           /* 0x321c */
      u8  pad_0x3220_0x322c[0xc];                     /* 0x3220 */
      u32 dma_tagstatus_R;                            /* 0x322c */
#define DMA_TAGSTATUS_INTR_ANY      1u
#define DMA_TAGSTATUS_INTR_ALL      2u
      u8  pad_0x3230_0x4000[0x4000 - 0x3230];         /* 0x3230 */

      /* SPU Control Area */
      u8  pad_0x4000_0x4004[0x4];                     /* 0x4000 */
      u32 pu_mb_R;                                    /* 0x4004 */
      u8  pad_0x4008_0x400c[0x4];                     /* 0x4008 */
      u32 spu_mb_W;                                   /* 0x400c */
      u8  pad_0x4010_0x4014[0x4];                     /* 0x4010 */
      u32 mb_stat_R;                                  /* 0x4014 */
      u8  pad_0x4018_0x401c[0x4];                     /* 0x4018 */
      u32 spu_runcntl_RW;                             /* 0x401c */
#define SPU_RUNCNTL_STOP      0L
#define SPU_RUNCNTL_RUNNABLE  1L
#define SPU_RUNCNTL_ISOLATE   2L
      u8  pad_0x4020_0x4024[0x4];                     /* 0x4020 */
      u32 spu_status_R;                         /* 0x4024 */
#define SPU_STOP_STATUS_SHIFT           16
#define SPU_STATUS_STOPPED          0x0
#define SPU_STATUS_RUNNING          0x1
#define SPU_STATUS_STOPPED_BY_STOP  0x2
#define SPU_STATUS_STOPPED_BY_HALT  0x4
#define SPU_STATUS_WAITING_FOR_CHANNEL    0x8
#define SPU_STATUS_SINGLE_STEP            0x10
#define SPU_STATUS_INVALID_INSTR        0x20
#define SPU_STATUS_INVALID_CH           0x40
#define SPU_STATUS_ISOLATED_STATE       0x80
#define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
#define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
      u8  pad_0x4028_0x402c[0x4];                     /* 0x4028 */
      u32 spu_spe_R;                                  /* 0x402c */
      u8  pad_0x4030_0x4034[0x4];                     /* 0x4030 */
      u32 spu_npc_RW;                                 /* 0x4034 */
      u8  pad_0x4038_0x14000[0x14000 - 0x4038];       /* 0x4038 */

      /* Signal Notification Area */
      u8  pad_0x14000_0x1400c[0xc];                   /* 0x14000 */
      u32 signal_notify1;                             /* 0x1400c */
      u8  pad_0x14010_0x1c00c[0x7ffc];                /* 0x14010 */
      u32 signal_notify2;                             /* 0x1c00c */
} __attribute__ ((aligned(0x20000)));

/* SPU Privilege 2 State Area */
struct spu_priv2 {
      /* MFC Registers */
      u8  pad_0x0000_0x1100[0x1100 - 0x0000];         /* 0x0000 */

      /* SLB Management Registers */
      u8  pad_0x1100_0x1108[0x8];                     /* 0x1100 */
      u64 slb_index_W;                          /* 0x1108 */
#define SLB_INDEX_MASK                    0x7L
      u64 slb_esid_RW;                          /* 0x1110 */
      u64 slb_vsid_RW;                          /* 0x1118 */
#define SLB_VSID_SUPERVISOR_STATE   (0x1ull << 11)
#define SLB_VSID_SUPERVISOR_STATE_MASK    (0x1ull << 11)
#define SLB_VSID_PROBLEM_STATE            (0x1ull << 10)
#define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
#define SLB_VSID_EXECUTE_SEGMENT    (0x1ull << 9)
#define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
#define SLB_VSID_EXECUTE_SEGMENT_MASK     (0x1ull << 9)
#define SLB_VSID_4K_PAGE            (0x0 << 8)
#define SLB_VSID_LARGE_PAGE         (0x1ull << 8)
#define SLB_VSID_PAGE_SIZE_MASK           (0x1ull << 8)
#define SLB_VSID_CLASS_MASK         (0x1ull << 7)
#define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK   (0x1ull << 6)
      u64 slb_invalidate_entry_W;                     /* 0x1120 */
      u64 slb_invalidate_all_W;                       /* 0x1128 */
      u8  pad_0x1130_0x2000[0x2000 - 0x1130];         /* 0x1130 */

      /* Context Save / Restore Area */
      struct mfc_cq_sr spuq[16];                      /* 0x2000 */
      struct mfc_cq_sr puq[8];                        /* 0x2200 */
      u8  pad_0x2300_0x3000[0x3000 - 0x2300];         /* 0x2300 */

      /* MFC Control */
      u64 mfc_control_RW;                             /* 0x3000 */
#define MFC_CNTL_RESUME_DMA_QUEUE         (0ull << 0)
#define MFC_CNTL_SUSPEND_DMA_QUEUE        (1ull << 0)
#define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK         (1ull << 0)
#define MFC_CNTL_SUSPEND_MASK             (1ull << 4)
#define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION     (0ull << 8)
#define MFC_CNTL_SUSPEND_IN_PROGRESS            (1ull << 8)
#define MFC_CNTL_SUSPEND_COMPLETE         (3ull << 8)
#define MFC_CNTL_SUSPEND_DMA_STATUS_MASK  (3ull << 8)
#define MFC_CNTL_DMA_QUEUES_EMPTY         (1ull << 14)
#define MFC_CNTL_DMA_QUEUES_EMPTY_MASK          (1ull << 14)
#define MFC_CNTL_PURGE_DMA_REQUEST        (1ull << 15)
#define MFC_CNTL_PURGE_DMA_IN_PROGRESS          (1ull << 24)
#define MFC_CNTL_PURGE_DMA_COMPLETE       (3ull << 24)
#define MFC_CNTL_PURGE_DMA_STATUS_MASK          (3ull << 24)
#define MFC_CNTL_RESTART_DMA_COMMAND            (1ull << 32)
#define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING    (1ull << 32)
#define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
#define MFC_CNTL_MFC_PRIVILEGE_STATE            (2ull << 33)
#define MFC_CNTL_MFC_PROBLEM_STATE        (3ull << 33)
#define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK  (3ull << 33)
#define MFC_CNTL_DECREMENTER_HALTED       (1ull << 35)
#define MFC_CNTL_DECREMENTER_RUNNING            (1ull << 40)
#define MFC_CNTL_DECREMENTER_STATUS_MASK  (1ull << 40)
      u8  pad_0x3008_0x4000[0x4000 - 0x3008];         /* 0x3008 */

      /* Interrupt Mailbox */
      u64 puint_mb_R;                                 /* 0x4000 */
      u8  pad_0x4008_0x4040[0x4040 - 0x4008];         /* 0x4008 */

      /* SPU Control */
      u64 spu_privcntl_RW;                            /* 0x4040 */
#define SPU_PRIVCNTL_MODE_NORMAL          (0x0ull << 0)
#define SPU_PRIVCNTL_MODE_SINGLE_STEP           (0x1ull << 0)
#define SPU_PRIVCNTL_MODE_MASK                  (0x1ull << 0)
#define SPU_PRIVCNTL_NO_ATTENTION_EVENT         (0x0ull << 1)
#define SPU_PRIVCNTL_ATTENTION_EVENT            (0x1ull << 1)
#define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
#define SPU_PRIVCNT_LOAD_REQUEST_NORMAL         (0x0ull << 2)
#define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK    (0x1ull << 2)
      u8  pad_0x4048_0x4058[0x10];                    /* 0x4048 */
      u64 spu_lslr_RW;                          /* 0x4058 */
      u64 spu_chnlcntptr_RW;                          /* 0x4060 */
      u64 spu_chnlcnt_RW;                             /* 0x4068 */
      u64 spu_chnldata_RW;                            /* 0x4070 */
      u64 spu_cfg_RW;                                 /* 0x4078 */
      u8  pad_0x4080_0x5000[0x5000 - 0x4080];         /* 0x4080 */

      /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
      u64 spu_pm_trace_tag_status_RW;                       /* 0x5000 */
      u64 spu_tag_status_query_RW;                    /* 0x5008 */
#define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
#define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
      u64 spu_cmd_buf1_RW;                            /* 0x5010 */
#define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
#define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
      u64 spu_cmd_buf2_RW;                            /* 0x5018 */
#define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
#define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
#define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
      u64 spu_atomic_status_RW;                       /* 0x5020 */
} __attribute__ ((aligned(0x20000)));

/* SPU Privilege 1 State Area */
struct spu_priv1 {
      /* Control and Configuration Area */
      u64 mfc_sr1_RW;                                 /* 0x000 */
#define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK    0x01ull
#define MFC_STATE1_BUS_TLBIE_MASK         0x02ull
#define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
#define MFC_STATE1_PROBLEM_STATE_MASK           0x08ull
#define MFC_STATE1_RELOCATE_MASK          0x10ull
#define MFC_STATE1_MASTER_RUN_CONTROL_MASK      0x20ull
#define MFC_STATE1_TABLE_SEARCH_MASK            0x40ull
      u64 mfc_lpid_RW;                          /* 0x008 */
      u64 spu_idr_RW;                                 /* 0x010 */
      u64 mfc_vr_RO;                                  /* 0x018 */
#define MFC_VERSION_BITS            (0xffff << 16)
#define MFC_REVISION_BITS           (0xffff)
#define MFC_GET_VERSION_BITS(vr)    (((vr) & MFC_VERSION_BITS) >> 16)
#define MFC_GET_REVISION_BITS(vr)   ((vr) & MFC_REVISION_BITS)
      u64 spu_vr_RO;                                  /* 0x020 */
#define SPU_VERSION_BITS            (0xffff << 16)
#define SPU_REVISION_BITS           (0xffff)
#define SPU_GET_VERSION_BITS(vr)    (vr & SPU_VERSION_BITS) >> 16
#define SPU_GET_REVISION_BITS(vr)   (vr & SPU_REVISION_BITS)
      u8  pad_0x28_0x100[0x100 - 0x28];               /* 0x28 */

      /* Interrupt Area */
      u64 int_mask_RW[3];                             /* 0x100 */
#define CLASS0_ENABLE_DMA_ALIGNMENT_INTR        0x1L
#define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR        0x2L
#define CLASS0_ENABLE_SPU_ERROR_INTR                  0x4L
#define CLASS0_ENABLE_MFC_FIR_INTR              0x8L
#define CLASS1_ENABLE_SEGMENT_FAULT_INTR        0x1L
#define CLASS1_ENABLE_STORAGE_FAULT_INTR        0x2L
#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR  0x4L
#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR  0x8L
#define CLASS2_ENABLE_MAILBOX_INTR              0x1L
#define CLASS2_ENABLE_SPU_STOP_INTR             0x2L
#define CLASS2_ENABLE_SPU_HALT_INTR             0x4L
#define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
#define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR          0x10L
      u8  pad_0x118_0x140[0x28];                      /* 0x118 */
      u64 int_stat_RW[3];                             /* 0x140 */
#define CLASS0_DMA_ALIGNMENT_INTR               0x1L
#define CLASS0_INVALID_DMA_COMMAND_INTR               0x2L
#define CLASS0_SPU_ERROR_INTR                   0x4L
#define CLASS0_INTR_MASK                        0x7L
#define CLASS1_SEGMENT_FAULT_INTR               0x1L
#define CLASS1_STORAGE_FAULT_INTR               0x2L
#define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR         0x4L
#define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR         0x8L
#define CLASS1_INTR_MASK                        0xfL
#define CLASS2_MAILBOX_INTR                     0x1L
#define CLASS2_SPU_STOP_INTR                    0x2L
#define CLASS2_SPU_HALT_INTR                    0x4L
#define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR        0x8L
#define CLASS2_MAILBOX_THRESHOLD_INTR                 0x10L
#define CLASS2_INTR_MASK                        0x1fL
      u8  pad_0x158_0x180[0x28];                      /* 0x158 */
      u64 int_route_RW;                         /* 0x180 */

      /* Interrupt Routing */
      u8  pad_0x188_0x200[0x200 - 0x188];             /* 0x188 */

      /* Atomic Unit Control Area */
      u64 mfc_atomic_flush_RW;                        /* 0x200 */
#define mfc_atomic_flush_enable                 0x1L
      u8  pad_0x208_0x280[0x78];                      /* 0x208 */
      u64 resource_allocation_groupID_RW;             /* 0x280 */
      u64 resource_allocation_enable_RW;              /* 0x288 */
      u8  pad_0x290_0x3c8[0x3c8 - 0x290];             /* 0x290 */

      /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */

      u64 smf_sbi_signal_sel;                         /* 0x3c8 */
#define smf_sbi_mask_lsb      56
#define smf_sbi_shift         (63 - smf_sbi_mask_lsb)
#define smf_sbi_mask          (0x301LL << smf_sbi_shift)
#define smf_sbi_bus0_bits     (0x001LL << smf_sbi_shift)
#define smf_sbi_bus2_bits     (0x100LL << smf_sbi_shift)
#define smf_sbi2_bus0_bits    (0x201LL << smf_sbi_shift)
#define smf_sbi2_bus2_bits    (0x300LL << smf_sbi_shift)
      u64 smf_ato_signal_sel;                         /* 0x3d0 */
#define smf_ato_mask_lsb      35
#define smf_ato_shift         (63 - smf_ato_mask_lsb)
#define smf_ato_mask          (0x3LL << smf_ato_shift)
#define smf_ato_bus0_bits     (0x2LL << smf_ato_shift)
#define smf_ato_bus2_bits     (0x1LL << smf_ato_shift)
      u8  pad_0x3d8_0x400[0x400 - 0x3d8];             /* 0x3d8 */

      /* TLB Management Registers */
      u64 mfc_sdr_RW;                                 /* 0x400 */
      u8  pad_0x408_0x500[0xf8];                      /* 0x408 */
      u64 tlb_index_hint_RO;                          /* 0x500 */
      u64 tlb_index_W;                          /* 0x508 */
      u64 tlb_vpn_RW;                                 /* 0x510 */
      u64 tlb_rpn_RW;                                 /* 0x518 */
      u8  pad_0x520_0x540[0x20];                      /* 0x520 */
      u64 tlb_invalidate_entry_W;                     /* 0x540 */
      u64 tlb_invalidate_all_W;                       /* 0x548 */
      u8  pad_0x550_0x580[0x580 - 0x550];             /* 0x550 */

      /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
      u64 smm_hid;                                    /* 0x580 */
#define PAGE_SIZE_MASK        0xf000000000000000ull
#define PAGE_SIZE_16MB_64KB   0x2000000000000000ull
      u8  pad_0x588_0x600[0x600 - 0x588];             /* 0x588 */

      /* MFC Status/Control Area */
      u64 mfc_accr_RW;                          /* 0x600 */
#define MFC_ACCR_EA_ACCESS_GET            (1 << 0)
#define MFC_ACCR_EA_ACCESS_PUT            (1 << 1)
#define MFC_ACCR_LS_ACCESS_GET            (1 << 3)
#define MFC_ACCR_LS_ACCESS_PUT            (1 << 4)
      u8  pad_0x608_0x610[0x8];                       /* 0x608 */
      u64 mfc_dsisr_RW;                         /* 0x610 */
#define MFC_DSISR_PTE_NOT_FOUND           (1 << 30)
#define MFC_DSISR_ACCESS_DENIED           (1 << 27)
#define MFC_DSISR_ATOMIC            (1 << 26)
#define MFC_DSISR_ACCESS_PUT        (1 << 25)
#define MFC_DSISR_ADDR_MATCH        (1 << 22)
#define MFC_DSISR_LS                (1 << 17)
#define MFC_DSISR_L                 (1 << 16)
#define MFC_DSISR_ADDRESS_OVERFLOW  (1 << 0)
      u8  pad_0x618_0x620[0x8];                       /* 0x618 */
      u64 mfc_dar_RW;                                 /* 0x620 */
      u8  pad_0x628_0x700[0x700 - 0x628];             /* 0x628 */

      /* Replacement Management Table (RMT) Area */
      u64 rmt_index_RW;                         /* 0x700 */
      u8  pad_0x708_0x710[0x8];                       /* 0x708 */
      u64 rmt_data1_RW;                         /* 0x710 */
      u8  pad_0x718_0x800[0x800 - 0x718];             /* 0x718 */

      /* Control/Configuration Registers */
      u64 mfc_dsir_R;                                 /* 0x800 */
#define MFC_DSIR_Q                  (1 << 31)
#define MFC_DSIR_SPU_QUEUE          MFC_DSIR_Q
      u64 mfc_lsacr_RW;                         /* 0x808 */
#define MFC_LSACR_COMPARE_MASK            ((~0ull) << 32)
#define MFC_LSACR_COMPARE_ADDR            ((~0ull) >> 32)
      u64 mfc_lscrr_R;                          /* 0x810 */
#define MFC_LSCRR_Q                 (1 << 31)
#define MFC_LSCRR_SPU_QUEUE         MFC_LSCRR_Q
#define MFC_LSCRR_QI_SHIFT          32
#define MFC_LSCRR_QI_MASK           ((~0ull) << MFC_LSCRR_QI_SHIFT)
      u8  pad_0x818_0x820[0x8];                       /* 0x818 */
      u64 mfc_tclass_id_RW;                           /* 0x820 */
#define MFC_TCLASS_ID_ENABLE        (1L << 0L)
#define MFC_TCLASS_SLOT2_ENABLE           (1L << 5L)
#define MFC_TCLASS_SLOT1_ENABLE           (1L << 6L)
#define MFC_TCLASS_SLOT0_ENABLE           (1L << 7L)
#define MFC_TCLASS_QUOTA_2_SHIFT    8L
#define MFC_TCLASS_QUOTA_1_SHIFT    16L
#define MFC_TCLASS_QUOTA_0_SHIFT    24L
#define MFC_TCLASS_QUOTA_2_MASK           (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
#define MFC_TCLASS_QUOTA_1_MASK           (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
#define MFC_TCLASS_QUOTA_0_MASK           (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
      u8  pad_0x828_0x900[0x900 - 0x828];             /* 0x828 */

      /* Real Mode Support Registers */
      u64 mfc_rm_boundary;                            /* 0x900 */
      u8  pad_0x908_0x938[0x30];                      /* 0x908 */
      u64 smf_dma_signal_sel;                         /* 0x938 */
#define mfc_dma1_mask_lsb     41
#define mfc_dma1_shift        (63 - mfc_dma1_mask_lsb)
#define mfc_dma1_mask         (0x3LL << mfc_dma1_shift)
#define mfc_dma1_bits         (0x1LL << mfc_dma1_shift)
#define mfc_dma2_mask_lsb     43
#define mfc_dma2_shift        (63 - mfc_dma2_mask_lsb)
#define mfc_dma2_mask         (0x3LL << mfc_dma2_shift)
#define mfc_dma2_bits         (0x1LL << mfc_dma2_shift)
      u8  pad_0x940_0xa38[0xf8];                      /* 0x940 */
      u64 smm_signal_sel;                             /* 0xa38 */
#define smm_sig_mask_lsb      12
#define smm_sig_shift         (63 - smm_sig_mask_lsb)
#define smm_sig_mask          (0x3LL << smm_sig_shift)
#define smm_sig_bus0_bits     (0x2LL << smm_sig_shift)
#define smm_sig_bus2_bits     (0x1LL << smm_sig_shift)
      u8  pad_0xa40_0xc00[0xc00 - 0xa40];             /* 0xa40 */

      /* DMA Command Error Area */
      u64 mfc_cer_R;                                  /* 0xc00 */
#define MFC_CER_Q       (1 << 31)
#define MFC_CER_SPU_QUEUE     MFC_CER_Q
      u8  pad_0xc08_0x1000[0x1000 - 0xc08];                 /* 0xc08 */

      /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
      /* DMA Command Error Area */
      u64 spu_ecc_cntl_RW;                            /* 0x1000 */
#define SPU_ECC_CNTL_E              (1ull << 0ull)
#define SPU_ECC_CNTL_ENABLE         SPU_ECC_CNTL_E
#define SPU_ECC_CNTL_DISABLE        (~SPU_ECC_CNTL_E & 1L)
#define SPU_ECC_CNTL_S              (1ull << 1ull)
#define SPU_ECC_STOP_AFTER_ERROR    SPU_ECC_CNTL_S
#define SPU_ECC_CONTINUE_AFTER_ERROR      (~SPU_ECC_CNTL_S & 2L)
#define SPU_ECC_CNTL_B              (1ull << 2ull)
#define SPU_ECC_BACKGROUND_ENABLE   SPU_ECC_CNTL_B
#define SPU_ECC_BACKGROUND_DISABLE  (~SPU_ECC_CNTL_B & 4L)
#define SPU_ECC_CNTL_I_SHIFT        3ull
#define SPU_ECC_CNTL_I_MASK         (3ull << SPU_ECC_CNTL_I_SHIFT)
#define SPU_ECC_WRITE_ALWAYS        (~SPU_ECC_CNTL_I & 12L)
#define SPU_ECC_WRITE_CORRECTABLE   (1ull << SPU_ECC_CNTL_I_SHIFT)
#define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
#define SPU_ECC_CNTL_D              (1ull << 5ull)
#define SPU_ECC_DETECTION_ENABLE    SPU_ECC_CNTL_D
#define SPU_ECC_DETECTION_DISABLE   (~SPU_ECC_CNTL_D & 32L)
      u64 spu_ecc_stat_RW;                            /* 0x1008 */
#define SPU_ECC_CORRECTED_ERROR           (1ull << 0ul)
#define SPU_ECC_UNCORRECTED_ERROR   (1ull << 1ul)
#define SPU_ECC_SCRUB_COMPLETE            (1ull << 2ul)
#define SPU_ECC_SCRUB_IN_PROGRESS   (1ull << 3ul)
#define SPU_ECC_INSTRUCTION_ERROR   (1ull << 4ul)
#define SPU_ECC_DATA_ERROR          (1ull << 5ul)
#define SPU_ECC_DMA_ERROR           (1ull << 6ul)
#define SPU_ECC_STATUS_CNT_MASK           (256ull << 8)
      u64 spu_ecc_addr_RW;                            /* 0x1010 */
      u64 spu_err_mask_RW;                            /* 0x1018 */
#define SPU_ERR_ILLEGAL_INSTR       (1ull << 0ul)
#define SPU_ERR_ILLEGAL_CHANNEL           (1ull << 1ul)
      u8  pad_0x1020_0x1028[0x1028 - 0x1020];               /* 0x1020 */

      /* SPU Debug-Trace Bus (DTB) Selection Registers */
      u64 spu_trig0_sel;                              /* 0x1028 */
      u64 spu_trig1_sel;                              /* 0x1030 */
      u64 spu_trig2_sel;                              /* 0x1038 */
      u64 spu_trig3_sel;                              /* 0x1040 */
      u64 spu_trace_sel;                              /* 0x1048 */
#define spu_trace_sel_mask          0x1f1fLL
#define spu_trace_sel_bus0_bits           0x1000LL
#define spu_trace_sel_bus2_bits           0x0010LL
      u64 spu_event0_sel;                             /* 0x1050 */
      u64 spu_event1_sel;                             /* 0x1058 */
      u64 spu_event2_sel;                             /* 0x1060 */
      u64 spu_event3_sel;                             /* 0x1068 */
      u64 spu_trace_cntl;                             /* 0x1070 */
} __attribute__ ((aligned(0x2000)));

#endif /* __KERNEL__ */
#endif

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