summaryrefslogtreecommitdiffstats
path: root/include/asm-ia64/machvec.h
blob: 79e89a7db5665563aa265523c756ea4763fe3e8a (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
/*
 * Machine vector for IA-64.
 *
 * Copyright (C) 1999 Silicon Graphics, Inc.
 * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
 * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
 * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 */
#ifndef _ASM_IA64_MACHVEC_H
#define _ASM_IA64_MACHVEC_H

#include <linux/config.h>
#include <linux/types.h>

/* forward declarations: */
struct device;
struct pt_regs;
struct scatterlist;
struct page;
struct mm_struct;
struct pci_bus;

typedef void ia64_mv_setup_t (char **);
typedef void ia64_mv_cpu_init_t (void);
typedef void ia64_mv_irq_init_t (void);
typedef void ia64_mv_send_ipi_t (int, int, int, int);
typedef void ia64_mv_timer_interrupt_t (int, void *, struct pt_regs *);
typedef void ia64_mv_global_tlb_purge_t (unsigned long, unsigned long, unsigned long);
typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
typedef unsigned int ia64_mv_local_vector_to_irq (u8);
typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
				       u8 size);
typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
					u8 size);

/* DMA-mapping interface: */
typedef void ia64_mv_dma_init (void);
typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, int);
typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr);
typedef int ia64_mv_dma_supported (struct device *, u64);

/*
 * WARNING: The legacy I/O space is _architected_.  Platforms are
 * expected to follow this architected model (see Section 10.7 in the
 * IA-64 Architecture Software Developer's Manual).  Unfortunately,
 * some broken machines do not follow that model, which is why we have
 * to make the inX/outX operations part of the machine vector.
 * Platform designers should follow the architected model whenever
 * possible.
 */
typedef unsigned int ia64_mv_inb_t (unsigned long);
typedef unsigned int ia64_mv_inw_t (unsigned long);
typedef unsigned int ia64_mv_inl_t (unsigned long);
typedef void ia64_mv_outb_t (unsigned char, unsigned long);
typedef void ia64_mv_outw_t (unsigned short, unsigned long);
typedef void ia64_mv_outl_t (unsigned int, unsigned long);
typedef void ia64_mv_mmiowb_t (void);
typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);

static inline void
machvec_noop (void)
{
}

static inline void
machvec_noop_mm (struct mm_struct *mm)
{
}

extern void machvec_setup (char **);
extern void machvec_timer_interrupt (int, void *, struct pt_regs *);
extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
extern void machvec_tlb_migrate_finish (struct mm_struct *);

# if defined (CONFIG_IA64_HP_SIM)
#  include <asm/machvec_hpsim.h>
# elif defined (CONFIG_IA64_DIG)
#  include <asm/machvec_dig.h>
# elif defined (CONFIG_IA64_HP_ZX1)
#  include <asm/machvec_hpzx1.h>
# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
#  include <asm/machvec_hpzx1_swiotlb.h>
# elif defined (CONFIG_IA64_SGI_SN2)
#  include <asm/machvec_sn2.h>
# elif defined (CONFIG_IA64_GENERIC)

# ifdef MACHVEC_PLATFORM_HEADER
#  include MACHVEC_PLATFORM_HEADER
# else
#  define platform_name		ia64_mv.name
#  define platform_setup	ia64_mv.setup
#  define platform_cpu_init	ia64_mv.cpu_init
#  define platform_irq_init	ia64_mv.irq_init
#  define platform_send_ipi	ia64_mv.send_ipi
#  define platform_timer_interrupt	ia64_mv.timer_interrupt
#  define platform_global_tlb_purge	ia64_mv.global_tlb_purge
#  define platform_tlb_migrate_finish	ia64_mv.tlb_migrate_finish
#  define platform_dma_init		ia64_mv.dma_init
#  define platform_dma_alloc_coherent	ia64_mv.dma_alloc_coherent
#  define platform_dma_free_coherent	ia64_mv.dma_free_coherent
#  define platform_dma_map_single	ia64_mv.dma_map_single
#  define platform_dma_unmap_single	ia64_mv.dma_unmap_single
#  define platform_dma_map_sg		ia64_mv.dma_map_sg
#  define platform_dma_unmap_sg		ia64_mv.dma_unmap_sg
#  define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
#  define platform_dma_sync_sg_for_cpu	ia64_mv.dma_sync_sg_for_cpu
#  define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
#  define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
#  define platform_dma_mapping_error		ia64_mv.dma_mapping_error
#  define platform_dma_supported	ia64_mv.dma_supported
#  define platform_local_vector_to_irq	ia64_mv.local_vector_to_irq
#  define platform_pci_get_legacy_mem	ia64_mv.pci_get_legacy_mem
#  define platform_pci_legacy_read	ia64_mv.pci_legacy_read
#  define platform_pci_legacy_write	ia64_mv.pci_legacy_write
#  define platform_inb		ia64_mv.inb
#  define platform_inw		ia64_mv.inw
#  define platform_inl		ia64_mv.inl
#  define platform_outb		ia64_mv.outb
#  define platform_outw		ia64_mv.outw
#  define platform_outl		ia64_mv.outl
#  define platform_mmiowb	ia64_mv.mmiowb
#  define platform_readb        ia64_mv.readb
#  define platform_readw        ia64_mv.readw
#  define platform_readl        ia64_mv.readl
#  define platform_readq        ia64_mv.readq
#  define platform_readb_relaxed        ia64_mv.readb_relaxed
#  define platform_readw_relaxed        ia64_mv.readw_relaxed
#  define platform_readl_relaxed        ia64_mv.readl_relaxed
#  define platform_readq_relaxed        ia64_mv.readq_relaxed
# endif

/* __attribute__((__aligned__(16))) is required to make size of the
 * structure multiple of 16 bytes.
 * This will fillup the holes created because of section 3.3.1 in
 * Software Conventions guide.
 */
struct ia64_machine_vector {
	const char *name;
	ia64_mv_setup_t *setup;
	ia64_mv_cpu_init_t *cpu_init;
	ia64_mv_irq_init_t *irq_init;
	ia64_mv_send_ipi_t *send_ipi;
	ia64_mv_timer_interrupt_t *timer_interrupt;
	ia64_mv_global_tlb_purge_t *global_tlb_purge;
	ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
	ia64_mv_dma_init *dma_init;
	ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
	ia64_mv_dma_free_coherent *dma_free_coherent;
	ia64_mv_dma_map_single *dma_map_single;
	ia64_mv_dma_unmap_single *dma_unmap_single;
	ia64_mv_dma_map_sg *dma_map_sg;
	ia64_mv_dma_unmap_sg *dma_unmap_sg;
	ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
	ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
	ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
	ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
	ia64_mv_dma_mapping_error *dma_mapping_error;
	ia64_mv_dma_supported *dma_supported;
	ia64_mv_local_vector_to_irq *local_vector_to_irq;
	ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
	ia64_mv_pci_legacy_read_t *pci_legacy_read;
	ia64_mv_pci_legacy_write_t *pci_legacy_write;
	ia64_mv_inb_t *inb;
	ia64_mv_inw_t *inw;
	ia64_mv_inl_t *inl;
	ia64_mv_outb_t *outb;
	ia64_mv_outw_t *outw;
	ia64_mv_outl_t *outl;
	ia64_mv_mmiowb_t *mmiowb;
	ia64_mv_readb_t *readb;
	ia64_mv_readw_t *readw;
	ia64_mv_readl_t *readl;
	ia64_mv_readq_t *readq;
	ia64_mv_readb_relaxed_t *readb_relaxed;
	ia64_mv_readw_relaxed_t *readw_relaxed;
	ia64_mv_readl_relaxed_t *readl_relaxed;
	ia64_mv_readq_relaxed_t *readq_relaxed;
} __attribute__((__aligned__(16))); /* align attrib? see above comment */

#define MACHVEC_INIT(name)			\
{						\
	#name,					\
	platform_setup,				\
	platform_cpu_init,			\
	platform_irq_init,			\
	platform_send_ipi,			\
	platform_timer_interrupt,		\
	platform_global_tlb_purge,		\
	platform_tlb_migrate_finish,		\
	platform_dma_init,			\
	platform_dma_alloc_coherent,		\
	platform_dma_free_coherent,		\
	platform_dma_map_single,		\
	platform_dma_unmap_single,		\
	platform_dma_map_sg,			\
	platform_dma_unmap_sg,			\
	platform_dma_sync_single_for_cpu,	\
	platform_dma_sync_sg_for_cpu,		\
	platform_dma_sync_single_for_device,	\
	platform_dma_sync_sg_for_device,	\
	platform_dma_mapping_error,			\
	platform_dma_supported,			\
	platform_local_vector_to_irq,		\
	platform_pci_get_legacy_mem,		\
	platform_pci_legacy_read,		\
	platform_pci_legacy_write,		\
	platform_inb,				\
	platform_inw,				\
	platform_inl,				\
	platform_outb,				\
	platform_outw,				\
	platform_outl,				\
	platform_mmiowb,			\
	platform_readb,				\
	platform_readw,				\
	platform_readl,				\
	platform_readq,				\
	platform_readb_relaxed,			\
	platform_readw_relaxed,			\
	platform_readl_relaxed,			\
	platform_readq_relaxed,			\
}

extern struct ia64_machine_vector ia64_mv;
extern void machvec_init (const char *name);

# else
#  error Unknown configuration.  Update asm-ia64/machvec.h.
# endif /* CONFIG_IA64_GENERIC */

/*
 * Declare default routines which aren't declared anywhere else:
 */
extern ia64_mv_dma_init			swiotlb_init;
extern ia64_mv_dma_alloc_coherent	swiotlb_alloc_coherent;
extern ia64_mv_dma_free_coherent	swiotlb_free_coherent;
extern ia64_mv_dma_map_single		swiotlb_map_single;
extern ia64_mv_dma_unmap_single		swiotlb_unmap_single;
extern ia64_mv_dma_map_sg		swiotlb_map_sg;
extern ia64_mv_dma_unmap_sg		swiotlb_unmap_sg;
extern ia64_mv_dma_sync_single_for_cpu	swiotlb_sync_single_for_cpu;
extern ia64_mv_dma_sync_sg_for_cpu	swiotlb_sync_sg_for_cpu;
extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
extern ia64_mv_dma_sync_sg_for_device	swiotlb_sync_sg_for_device;
extern ia64_mv_dma_mapping_error	swiotlb_dma_mapping_error;
extern ia64_mv_dma_supported		swiotlb_dma_supported;

/*
 * Define default versions so we can extend machvec for new platforms without having
 * to update the machvec files for all existing platforms.
 */
#ifndef platform_setup
# define platform_setup			machvec_setup
#endif
#ifndef platform_cpu_init
# define platform_cpu_init		machvec_noop
#endif
#ifndef platform_irq_init
# define platform_irq_init		machvec_noop
#endif

#ifndef platform_send_ipi
# define platform_send_ipi		ia64_send_ipi	/* default to architected version */
#endif
#ifndef platform_timer_interrupt
# define platform_timer_interrupt 	machvec_timer_interrupt
#endif
#ifndef platform_global_tlb_purge
# define platform_global_tlb_purge	ia64_global_tlb_purge /* default to architected version */
#endif
#ifndef platform_tlb_migrate_finish
# define platform_tlb_migrate_finish	machvec_noop_mm
#endif
#ifndef platform_dma_init
# define platform_dma_init		swiotlb_init
#endif
#ifndef platform_dma_alloc_coherent
# define platform_dma_alloc_coherent	swiotlb_alloc_coherent
#endif
#ifndef platform_dma_free_coherent
# define platform_dma_free_coherent	swiotlb_free_coherent
#endif
#ifndef platform_dma_map_single
# define platform_dma_map_single	swiotlb_map_single
#endif
#ifndef platform_dma_unmap_single
# define platform_dma_unmap_single	swiotlb_unmap_single
#endif
#ifndef platform_dma_map_sg
# define platform_dma_map_sg		swiotlb_map_sg
#endif
#ifndef platform_dma_unmap_sg
# define platform_dma_unmap_sg		swiotlb_unmap_sg
#endif
#ifndef platform_dma_sync_single_for_cpu
# define platform_dma_sync_single_for_cpu	swiotlb_sync_single_for_cpu
#endif
#ifndef platform_dma_sync_sg_for_cpu
# define platform_dma_sync_sg_for_cpu		swiotlb_sync_sg_for_cpu
#endif
#ifndef platform_dma_sync_single_for_device
# define platform_dma_sync_single_for_device	swiotlb_sync_single_for_device
#endif
#ifndef platform_dma_sync_sg_for_device
# define platform_dma_sync_sg_for_device	swiotlb_sync_sg_for_device
#endif
#ifndef platform_dma_mapping_error
# define platform_dma_mapping_error		swiotlb_dma_mapping_error
#endif
#ifndef platform_dma_supported
# define  platform_dma_supported	swiotlb_dma_supported
#endif
#ifndef platform_local_vector_to_irq
# define platform_local_vector_to_irq	__ia64_local_vector_to_irq
#endif
#ifndef platform_pci_get_legacy_mem
# define platform_pci_get_legacy_mem	ia64_pci_get_legacy_mem
#endif
#ifndef platform_pci_legacy_read
# define platform_pci_legacy_read	ia64_pci_legacy_read
#endif
#ifndef platform_pci_legacy_write
# define platform_pci_legacy_write	ia64_pci_legacy_write
#endif
#ifndef platform_inb
# define platform_inb		__ia64_inb
#endif
#ifndef platform_inw
# define platform_inw		__ia64_inw
#endif
#ifndef platform_inl
# define platform_inl		__ia64_inl
#endif
#ifndef platform_outb
# define platform_outb		__ia64_outb
#endif
#ifndef platform_outw
# define platform_outw		__ia64_outw
#endif
#ifndef platform_outl
# define platform_outl		__ia64_outl
#endif
#ifndef platform_mmiowb
# define platform_mmiowb	__ia64_mmiowb
#endif
#ifndef platform_readb
# define platform_readb		__ia64_readb
#endif
#ifndef platform_readw
# define platform_readw		__ia64_readw
#endif
#ifndef platform_readl
# define platform_readl		__ia64_readl
#endif
#ifndef platform_readq
# define platform_readq		__ia64_readq
#endif
#ifndef platform_readb_relaxed
# define platform_readb_relaxed	__ia64_readb_relaxed
#endif
#ifndef platform_readw_relaxed
# define platform_readw_relaxed	__ia64_readw_relaxed
#endif
#ifndef platform_readl_relaxed
# define platform_readl_relaxed	__ia64_readl_relaxed
#endif
#ifndef platform_readq_relaxed
# define platform_readq_relaxed	__ia64_readq_relaxed
#endif

#endif /* _ASM_IA64_MACHVEC_H */
OpenPOWER on IntegriCloud