summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/spu.h
blob: fff921345ddcdbbd27993f45853bac140f129ddb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
/*
 * 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/device.h>
#include <linux/mutex.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;
	unsigned long 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 device dev;

	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);

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_dev_attr(struct device_attribute *attr);
void spu_remove_dev_attr(struct device_attribute *attr);

int spu_add_dev_attr_group(struct attribute_group *attrs);
void spu_remove_dev_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
OpenPOWER on IntegriCloud