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1 | /* |
2 | * Machine vector for IA-64. | |
3 | * | |
4 | * Copyright (C) 1999 Silicon Graphics, Inc. | |
5 | * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com> | |
6 | * Copyright (C) Vijay Chander <vijay@engr.sgi.com> | |
7 | * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co. | |
8 | * David Mosberger-Tang <davidm@hpl.hp.com> | |
9 | */ | |
10 | #ifndef _ASM_IA64_MACHVEC_H | |
11 | #define _ASM_IA64_MACHVEC_H | |
12 | ||
13 | #include <linux/config.h> | |
14 | #include <linux/types.h> | |
15 | ||
16 | /* forward declarations: */ | |
17 | struct device; | |
18 | struct pt_regs; | |
19 | struct scatterlist; | |
20 | struct page; | |
21 | struct mm_struct; | |
22 | struct pci_bus; | |
23 | ||
24 | typedef void ia64_mv_setup_t (char **); | |
25 | typedef void ia64_mv_cpu_init_t (void); | |
26 | typedef void ia64_mv_irq_init_t (void); | |
27 | typedef void ia64_mv_send_ipi_t (int, int, int, int); | |
28 | typedef void ia64_mv_timer_interrupt_t (int, void *, struct pt_regs *); | |
29 | typedef void ia64_mv_global_tlb_purge_t (unsigned long, unsigned long, unsigned long); | |
30 | typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *); | |
31 | typedef unsigned int ia64_mv_local_vector_to_irq (u8); | |
32 | typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *); | |
33 | typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val, | |
34 | u8 size); | |
35 | typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val, | |
36 | u8 size); | |
37 | ||
38 | /* DMA-mapping interface: */ | |
39 | typedef void ia64_mv_dma_init (void); | |
40 | typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, int); | |
41 | typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t); | |
42 | typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int); | |
43 | typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int); | |
44 | typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int); | |
45 | typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int); | |
46 | typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int); | |
47 | typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int); | |
48 | typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int); | |
49 | typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int); | |
50 | typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr); | |
51 | typedef int ia64_mv_dma_supported (struct device *, u64); | |
52 | ||
53 | /* | |
54 | * WARNING: The legacy I/O space is _architected_. Platforms are | |
55 | * expected to follow this architected model (see Section 10.7 in the | |
56 | * IA-64 Architecture Software Developer's Manual). Unfortunately, | |
57 | * some broken machines do not follow that model, which is why we have | |
58 | * to make the inX/outX operations part of the machine vector. | |
59 | * Platform designers should follow the architected model whenever | |
60 | * possible. | |
61 | */ | |
62 | typedef unsigned int ia64_mv_inb_t (unsigned long); | |
63 | typedef unsigned int ia64_mv_inw_t (unsigned long); | |
64 | typedef unsigned int ia64_mv_inl_t (unsigned long); | |
65 | typedef void ia64_mv_outb_t (unsigned char, unsigned long); | |
66 | typedef void ia64_mv_outw_t (unsigned short, unsigned long); | |
67 | typedef void ia64_mv_outl_t (unsigned int, unsigned long); | |
68 | typedef void ia64_mv_mmiowb_t (void); | |
69 | typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *); | |
70 | typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *); | |
71 | typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *); | |
72 | typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *); | |
73 | typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *); | |
74 | typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *); | |
75 | typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *); | |
76 | typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *); | |
77 | ||
78 | static inline void | |
79 | machvec_noop (void) | |
80 | { | |
81 | } | |
82 | ||
83 | static inline void | |
84 | machvec_noop_mm (struct mm_struct *mm) | |
85 | { | |
86 | } | |
87 | ||
88 | extern void machvec_setup (char **); | |
89 | extern void machvec_timer_interrupt (int, void *, struct pt_regs *); | |
90 | extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int); | |
91 | extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int); | |
92 | extern void machvec_tlb_migrate_finish (struct mm_struct *); | |
93 | ||
94 | # if defined (CONFIG_IA64_HP_SIM) | |
95 | # include <asm/machvec_hpsim.h> | |
96 | # elif defined (CONFIG_IA64_DIG) | |
97 | # include <asm/machvec_dig.h> | |
98 | # elif defined (CONFIG_IA64_HP_ZX1) | |
99 | # include <asm/machvec_hpzx1.h> | |
100 | # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) | |
101 | # include <asm/machvec_hpzx1_swiotlb.h> | |
102 | # elif defined (CONFIG_IA64_SGI_SN2) | |
103 | # include <asm/machvec_sn2.h> | |
104 | # elif defined (CONFIG_IA64_GENERIC) | |
105 | ||
106 | # ifdef MACHVEC_PLATFORM_HEADER | |
107 | # include MACHVEC_PLATFORM_HEADER | |
108 | # else | |
109 | # define platform_name ia64_mv.name | |
110 | # define platform_setup ia64_mv.setup | |
111 | # define platform_cpu_init ia64_mv.cpu_init | |
112 | # define platform_irq_init ia64_mv.irq_init | |
113 | # define platform_send_ipi ia64_mv.send_ipi | |
114 | # define platform_timer_interrupt ia64_mv.timer_interrupt | |
115 | # define platform_global_tlb_purge ia64_mv.global_tlb_purge | |
116 | # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish | |
117 | # define platform_dma_init ia64_mv.dma_init | |
118 | # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent | |
119 | # define platform_dma_free_coherent ia64_mv.dma_free_coherent | |
120 | # define platform_dma_map_single ia64_mv.dma_map_single | |
121 | # define platform_dma_unmap_single ia64_mv.dma_unmap_single | |
122 | # define platform_dma_map_sg ia64_mv.dma_map_sg | |
123 | # define platform_dma_unmap_sg ia64_mv.dma_unmap_sg | |
124 | # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu | |
125 | # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu | |
126 | # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device | |
127 | # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device | |
128 | # define platform_dma_mapping_error ia64_mv.dma_mapping_error | |
129 | # define platform_dma_supported ia64_mv.dma_supported | |
130 | # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq | |
131 | # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem | |
132 | # define platform_pci_legacy_read ia64_mv.pci_legacy_read | |
133 | # define platform_pci_legacy_write ia64_mv.pci_legacy_write | |
134 | # define platform_inb ia64_mv.inb | |
135 | # define platform_inw ia64_mv.inw | |
136 | # define platform_inl ia64_mv.inl | |
137 | # define platform_outb ia64_mv.outb | |
138 | # define platform_outw ia64_mv.outw | |
139 | # define platform_outl ia64_mv.outl | |
140 | # define platform_mmiowb ia64_mv.mmiowb | |
141 | # define platform_readb ia64_mv.readb | |
142 | # define platform_readw ia64_mv.readw | |
143 | # define platform_readl ia64_mv.readl | |
144 | # define platform_readq ia64_mv.readq | |
145 | # define platform_readb_relaxed ia64_mv.readb_relaxed | |
146 | # define platform_readw_relaxed ia64_mv.readw_relaxed | |
147 | # define platform_readl_relaxed ia64_mv.readl_relaxed | |
148 | # define platform_readq_relaxed ia64_mv.readq_relaxed | |
149 | # endif | |
150 | ||
151 | /* __attribute__((__aligned__(16))) is required to make size of the | |
152 | * structure multiple of 16 bytes. | |
153 | * This will fillup the holes created because of section 3.3.1 in | |
154 | * Software Conventions guide. | |
155 | */ | |
156 | struct ia64_machine_vector { | |
157 | const char *name; | |
158 | ia64_mv_setup_t *setup; | |
159 | ia64_mv_cpu_init_t *cpu_init; | |
160 | ia64_mv_irq_init_t *irq_init; | |
161 | ia64_mv_send_ipi_t *send_ipi; | |
162 | ia64_mv_timer_interrupt_t *timer_interrupt; | |
163 | ia64_mv_global_tlb_purge_t *global_tlb_purge; | |
164 | ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish; | |
165 | ia64_mv_dma_init *dma_init; | |
166 | ia64_mv_dma_alloc_coherent *dma_alloc_coherent; | |
167 | ia64_mv_dma_free_coherent *dma_free_coherent; | |
168 | ia64_mv_dma_map_single *dma_map_single; | |
169 | ia64_mv_dma_unmap_single *dma_unmap_single; | |
170 | ia64_mv_dma_map_sg *dma_map_sg; | |
171 | ia64_mv_dma_unmap_sg *dma_unmap_sg; | |
172 | ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu; | |
173 | ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu; | |
174 | ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device; | |
175 | ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device; | |
176 | ia64_mv_dma_mapping_error *dma_mapping_error; | |
177 | ia64_mv_dma_supported *dma_supported; | |
178 | ia64_mv_local_vector_to_irq *local_vector_to_irq; | |
179 | ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem; | |
180 | ia64_mv_pci_legacy_read_t *pci_legacy_read; | |
181 | ia64_mv_pci_legacy_write_t *pci_legacy_write; | |
182 | ia64_mv_inb_t *inb; | |
183 | ia64_mv_inw_t *inw; | |
184 | ia64_mv_inl_t *inl; | |
185 | ia64_mv_outb_t *outb; | |
186 | ia64_mv_outw_t *outw; | |
187 | ia64_mv_outl_t *outl; | |
188 | ia64_mv_mmiowb_t *mmiowb; | |
189 | ia64_mv_readb_t *readb; | |
190 | ia64_mv_readw_t *readw; | |
191 | ia64_mv_readl_t *readl; | |
192 | ia64_mv_readq_t *readq; | |
193 | ia64_mv_readb_relaxed_t *readb_relaxed; | |
194 | ia64_mv_readw_relaxed_t *readw_relaxed; | |
195 | ia64_mv_readl_relaxed_t *readl_relaxed; | |
196 | ia64_mv_readq_relaxed_t *readq_relaxed; | |
197 | } __attribute__((__aligned__(16))); /* align attrib? see above comment */ | |
198 | ||
199 | #define MACHVEC_INIT(name) \ | |
200 | { \ | |
201 | #name, \ | |
202 | platform_setup, \ | |
203 | platform_cpu_init, \ | |
204 | platform_irq_init, \ | |
205 | platform_send_ipi, \ | |
206 | platform_timer_interrupt, \ | |
207 | platform_global_tlb_purge, \ | |
208 | platform_tlb_migrate_finish, \ | |
209 | platform_dma_init, \ | |
210 | platform_dma_alloc_coherent, \ | |
211 | platform_dma_free_coherent, \ | |
212 | platform_dma_map_single, \ | |
213 | platform_dma_unmap_single, \ | |
214 | platform_dma_map_sg, \ | |
215 | platform_dma_unmap_sg, \ | |
216 | platform_dma_sync_single_for_cpu, \ | |
217 | platform_dma_sync_sg_for_cpu, \ | |
218 | platform_dma_sync_single_for_device, \ | |
219 | platform_dma_sync_sg_for_device, \ | |
220 | platform_dma_mapping_error, \ | |
221 | platform_dma_supported, \ | |
222 | platform_local_vector_to_irq, \ | |
223 | platform_pci_get_legacy_mem, \ | |
224 | platform_pci_legacy_read, \ | |
225 | platform_pci_legacy_write, \ | |
226 | platform_inb, \ | |
227 | platform_inw, \ | |
228 | platform_inl, \ | |
229 | platform_outb, \ | |
230 | platform_outw, \ | |
231 | platform_outl, \ | |
232 | platform_mmiowb, \ | |
233 | platform_readb, \ | |
234 | platform_readw, \ | |
235 | platform_readl, \ | |
236 | platform_readq, \ | |
237 | platform_readb_relaxed, \ | |
238 | platform_readw_relaxed, \ | |
239 | platform_readl_relaxed, \ | |
240 | platform_readq_relaxed, \ | |
241 | } | |
242 | ||
243 | extern struct ia64_machine_vector ia64_mv; | |
244 | extern void machvec_init (const char *name); | |
245 | ||
246 | # else | |
247 | # error Unknown configuration. Update asm-ia64/machvec.h. | |
248 | # endif /* CONFIG_IA64_GENERIC */ | |
249 | ||
250 | /* | |
251 | * Declare default routines which aren't declared anywhere else: | |
252 | */ | |
253 | extern ia64_mv_dma_init swiotlb_init; | |
254 | extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent; | |
255 | extern ia64_mv_dma_free_coherent swiotlb_free_coherent; | |
256 | extern ia64_mv_dma_map_single swiotlb_map_single; | |
257 | extern ia64_mv_dma_unmap_single swiotlb_unmap_single; | |
258 | extern ia64_mv_dma_map_sg swiotlb_map_sg; | |
259 | extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg; | |
260 | extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu; | |
261 | extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu; | |
262 | extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device; | |
263 | extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device; | |
264 | extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error; | |
265 | extern ia64_mv_dma_supported swiotlb_dma_supported; | |
266 | ||
267 | /* | |
268 | * Define default versions so we can extend machvec for new platforms without having | |
269 | * to update the machvec files for all existing platforms. | |
270 | */ | |
271 | #ifndef platform_setup | |
272 | # define platform_setup machvec_setup | |
273 | #endif | |
274 | #ifndef platform_cpu_init | |
275 | # define platform_cpu_init machvec_noop | |
276 | #endif | |
277 | #ifndef platform_irq_init | |
278 | # define platform_irq_init machvec_noop | |
279 | #endif | |
280 | ||
281 | #ifndef platform_send_ipi | |
282 | # define platform_send_ipi ia64_send_ipi /* default to architected version */ | |
283 | #endif | |
284 | #ifndef platform_timer_interrupt | |
285 | # define platform_timer_interrupt machvec_timer_interrupt | |
286 | #endif | |
287 | #ifndef platform_global_tlb_purge | |
288 | # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */ | |
289 | #endif | |
290 | #ifndef platform_tlb_migrate_finish | |
291 | # define platform_tlb_migrate_finish machvec_noop_mm | |
292 | #endif | |
293 | #ifndef platform_dma_init | |
294 | # define platform_dma_init swiotlb_init | |
295 | #endif | |
296 | #ifndef platform_dma_alloc_coherent | |
297 | # define platform_dma_alloc_coherent swiotlb_alloc_coherent | |
298 | #endif | |
299 | #ifndef platform_dma_free_coherent | |
300 | # define platform_dma_free_coherent swiotlb_free_coherent | |
301 | #endif | |
302 | #ifndef platform_dma_map_single | |
303 | # define platform_dma_map_single swiotlb_map_single | |
304 | #endif | |
305 | #ifndef platform_dma_unmap_single | |
306 | # define platform_dma_unmap_single swiotlb_unmap_single | |
307 | #endif | |
308 | #ifndef platform_dma_map_sg | |
309 | # define platform_dma_map_sg swiotlb_map_sg | |
310 | #endif | |
311 | #ifndef platform_dma_unmap_sg | |
312 | # define platform_dma_unmap_sg swiotlb_unmap_sg | |
313 | #endif | |
314 | #ifndef platform_dma_sync_single_for_cpu | |
315 | # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu | |
316 | #endif | |
317 | #ifndef platform_dma_sync_sg_for_cpu | |
318 | # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu | |
319 | #endif | |
320 | #ifndef platform_dma_sync_single_for_device | |
321 | # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device | |
322 | #endif | |
323 | #ifndef platform_dma_sync_sg_for_device | |
324 | # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device | |
325 | #endif | |
326 | #ifndef platform_dma_mapping_error | |
327 | # define platform_dma_mapping_error swiotlb_dma_mapping_error | |
328 | #endif | |
329 | #ifndef platform_dma_supported | |
330 | # define platform_dma_supported swiotlb_dma_supported | |
331 | #endif | |
332 | #ifndef platform_local_vector_to_irq | |
333 | # define platform_local_vector_to_irq __ia64_local_vector_to_irq | |
334 | #endif | |
335 | #ifndef platform_pci_get_legacy_mem | |
336 | # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem | |
337 | #endif | |
338 | #ifndef platform_pci_legacy_read | |
339 | # define platform_pci_legacy_read ia64_pci_legacy_read | |
340 | #endif | |
341 | #ifndef platform_pci_legacy_write | |
342 | # define platform_pci_legacy_write ia64_pci_legacy_write | |
343 | #endif | |
344 | #ifndef platform_inb | |
345 | # define platform_inb __ia64_inb | |
346 | #endif | |
347 | #ifndef platform_inw | |
348 | # define platform_inw __ia64_inw | |
349 | #endif | |
350 | #ifndef platform_inl | |
351 | # define platform_inl __ia64_inl | |
352 | #endif | |
353 | #ifndef platform_outb | |
354 | # define platform_outb __ia64_outb | |
355 | #endif | |
356 | #ifndef platform_outw | |
357 | # define platform_outw __ia64_outw | |
358 | #endif | |
359 | #ifndef platform_outl | |
360 | # define platform_outl __ia64_outl | |
361 | #endif | |
362 | #ifndef platform_mmiowb | |
363 | # define platform_mmiowb __ia64_mmiowb | |
364 | #endif | |
365 | #ifndef platform_readb | |
366 | # define platform_readb __ia64_readb | |
367 | #endif | |
368 | #ifndef platform_readw | |
369 | # define platform_readw __ia64_readw | |
370 | #endif | |
371 | #ifndef platform_readl | |
372 | # define platform_readl __ia64_readl | |
373 | #endif | |
374 | #ifndef platform_readq | |
375 | # define platform_readq __ia64_readq | |
376 | #endif | |
377 | #ifndef platform_readb_relaxed | |
378 | # define platform_readb_relaxed __ia64_readb_relaxed | |
379 | #endif | |
380 | #ifndef platform_readw_relaxed | |
381 | # define platform_readw_relaxed __ia64_readw_relaxed | |
382 | #endif | |
383 | #ifndef platform_readl_relaxed | |
384 | # define platform_readl_relaxed __ia64_readl_relaxed | |
385 | #endif | |
386 | #ifndef platform_readq_relaxed | |
387 | # define platform_readq_relaxed __ia64_readq_relaxed | |
388 | #endif | |
389 | ||
390 | #endif /* _ASM_IA64_MACHVEC_H */ |