2 * Machine vector for IA-64.
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>
10 #ifndef _ASM_IA64_MACHVEC_H
11 #define _ASM_IA64_MACHVEC_H
13 #include <linux/types.h>
15 /* forward declarations: */
27 typedef void ia64_mv_setup_t (char **);
28 typedef void ia64_mv_cpu_init_t (void);
29 typedef void ia64_mv_irq_init_t (void);
30 typedef void ia64_mv_send_ipi_t (int, int, int, int);
31 typedef void ia64_mv_timer_interrupt_t (int, void *);
32 typedef void ia64_mv_global_tlb_purge_t (struct mm_struct
*, unsigned long, unsigned long, unsigned long);
33 typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct
*);
34 typedef u8
ia64_mv_irq_to_vector (int);
35 typedef unsigned int ia64_mv_local_vector_to_irq (u8
);
36 typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus
*);
37 typedef int ia64_mv_pci_legacy_read_t (struct pci_bus
*, u16 port
, u32
*val
,
39 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus
*, u16 port
, u32 val
,
41 typedef void ia64_mv_migrate_t(struct task_struct
* task
);
42 typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus
*);
43 typedef void ia64_mv_kernel_launch_event_t(void);
45 /* DMA-mapping interface: */
46 typedef void ia64_mv_dma_init (void);
47 typedef void *ia64_mv_dma_alloc_coherent (struct device
*, size_t, dma_addr_t
*, gfp_t
);
48 typedef void ia64_mv_dma_free_coherent (struct device
*, size_t, void *, dma_addr_t
);
49 typedef dma_addr_t
ia64_mv_dma_map_single (struct device
*, void *, size_t, int);
50 typedef void ia64_mv_dma_unmap_single (struct device
*, dma_addr_t
, size_t, int);
51 typedef int ia64_mv_dma_map_sg (struct device
*, struct scatterlist
*, int, int);
52 typedef void ia64_mv_dma_unmap_sg (struct device
*, struct scatterlist
*, int, int);
53 typedef void ia64_mv_dma_sync_single_for_cpu (struct device
*, dma_addr_t
, size_t, int);
54 typedef void ia64_mv_dma_sync_sg_for_cpu (struct device
*, struct scatterlist
*, int, int);
55 typedef void ia64_mv_dma_sync_single_for_device (struct device
*, dma_addr_t
, size_t, int);
56 typedef void ia64_mv_dma_sync_sg_for_device (struct device
*, struct scatterlist
*, int, int);
57 typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr
);
58 typedef int ia64_mv_dma_supported (struct device
*, u64
);
60 typedef dma_addr_t
ia64_mv_dma_map_single_attrs (struct device
*, void *, size_t, int, struct dma_attrs
*);
61 typedef void ia64_mv_dma_unmap_single_attrs (struct device
*, dma_addr_t
, size_t, int, struct dma_attrs
*);
62 typedef int ia64_mv_dma_map_sg_attrs (struct device
*, struct scatterlist
*, int, int, struct dma_attrs
*);
63 typedef void ia64_mv_dma_unmap_sg_attrs (struct device
*, struct scatterlist
*, int, int, struct dma_attrs
*);
66 * WARNING: The legacy I/O space is _architected_. Platforms are
67 * expected to follow this architected model (see Section 10.7 in the
68 * IA-64 Architecture Software Developer's Manual). Unfortunately,
69 * some broken machines do not follow that model, which is why we have
70 * to make the inX/outX operations part of the machine vector.
71 * Platform designers should follow the architected model whenever
74 typedef unsigned int ia64_mv_inb_t (unsigned long);
75 typedef unsigned int ia64_mv_inw_t (unsigned long);
76 typedef unsigned int ia64_mv_inl_t (unsigned long);
77 typedef void ia64_mv_outb_t (unsigned char, unsigned long);
78 typedef void ia64_mv_outw_t (unsigned short, unsigned long);
79 typedef void ia64_mv_outl_t (unsigned int, unsigned long);
80 typedef void ia64_mv_mmiowb_t (void);
81 typedef unsigned char ia64_mv_readb_t (const volatile void __iomem
*);
82 typedef unsigned short ia64_mv_readw_t (const volatile void __iomem
*);
83 typedef unsigned int ia64_mv_readl_t (const volatile void __iomem
*);
84 typedef unsigned long ia64_mv_readq_t (const volatile void __iomem
*);
85 typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem
*);
86 typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem
*);
87 typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem
*);
88 typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem
*);
90 typedef int ia64_mv_setup_msi_irq_t (struct pci_dev
*pdev
, struct msi_desc
*);
91 typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq
);
99 machvec_noop_mm (struct mm_struct
*mm
)
104 machvec_noop_task (struct task_struct
*task
)
109 machvec_noop_bus (struct pci_bus
*bus
)
113 extern void machvec_setup (char **);
114 extern void machvec_timer_interrupt (int, void *);
115 extern void machvec_dma_sync_single (struct device
*, dma_addr_t
, size_t, int);
116 extern void machvec_dma_sync_sg (struct device
*, struct scatterlist
*, int, int);
117 extern void machvec_tlb_migrate_finish (struct mm_struct
*);
119 # if defined (CONFIG_IA64_HP_SIM)
120 # include <asm/machvec_hpsim.h>
121 # elif defined (CONFIG_IA64_DIG)
122 # include <asm/machvec_dig.h>
123 # elif defined (CONFIG_IA64_HP_ZX1)
124 # include <asm/machvec_hpzx1.h>
125 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
126 # include <asm/machvec_hpzx1_swiotlb.h>
127 # elif defined (CONFIG_IA64_SGI_SN2)
128 # include <asm/machvec_sn2.h>
129 # elif defined (CONFIG_IA64_GENERIC)
131 # ifdef MACHVEC_PLATFORM_HEADER
132 # include MACHVEC_PLATFORM_HEADER
134 # define platform_name ia64_mv.name
135 # define platform_setup ia64_mv.setup
136 # define platform_cpu_init ia64_mv.cpu_init
137 # define platform_irq_init ia64_mv.irq_init
138 # define platform_send_ipi ia64_mv.send_ipi
139 # define platform_timer_interrupt ia64_mv.timer_interrupt
140 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
141 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
142 # define platform_dma_init ia64_mv.dma_init
143 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
144 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
145 # define platform_dma_map_single_attrs ia64_mv.dma_map_single_attrs
146 # define platform_dma_unmap_single_attrs ia64_mv.dma_unmap_single_attrs
147 # define platform_dma_map_sg_attrs ia64_mv.dma_map_sg_attrs
148 # define platform_dma_unmap_sg_attrs ia64_mv.dma_unmap_sg_attrs
149 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
150 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
151 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
152 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
153 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
154 # define platform_dma_supported ia64_mv.dma_supported
155 # define platform_irq_to_vector ia64_mv.irq_to_vector
156 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
157 # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
158 # define platform_pci_legacy_read ia64_mv.pci_legacy_read
159 # define platform_pci_legacy_write ia64_mv.pci_legacy_write
160 # define platform_inb ia64_mv.inb
161 # define platform_inw ia64_mv.inw
162 # define platform_inl ia64_mv.inl
163 # define platform_outb ia64_mv.outb
164 # define platform_outw ia64_mv.outw
165 # define platform_outl ia64_mv.outl
166 # define platform_mmiowb ia64_mv.mmiowb
167 # define platform_readb ia64_mv.readb
168 # define platform_readw ia64_mv.readw
169 # define platform_readl ia64_mv.readl
170 # define platform_readq ia64_mv.readq
171 # define platform_readb_relaxed ia64_mv.readb_relaxed
172 # define platform_readw_relaxed ia64_mv.readw_relaxed
173 # define platform_readl_relaxed ia64_mv.readl_relaxed
174 # define platform_readq_relaxed ia64_mv.readq_relaxed
175 # define platform_migrate ia64_mv.migrate
176 # define platform_setup_msi_irq ia64_mv.setup_msi_irq
177 # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
178 # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
179 # define platform_kernel_launch_event ia64_mv.kernel_launch_event
182 /* __attribute__((__aligned__(16))) is required to make size of the
183 * structure multiple of 16 bytes.
184 * This will fillup the holes created because of section 3.3.1 in
185 * Software Conventions guide.
187 struct ia64_machine_vector
{
189 ia64_mv_setup_t
*setup
;
190 ia64_mv_cpu_init_t
*cpu_init
;
191 ia64_mv_irq_init_t
*irq_init
;
192 ia64_mv_send_ipi_t
*send_ipi
;
193 ia64_mv_timer_interrupt_t
*timer_interrupt
;
194 ia64_mv_global_tlb_purge_t
*global_tlb_purge
;
195 ia64_mv_tlb_migrate_finish_t
*tlb_migrate_finish
;
196 ia64_mv_dma_init
*dma_init
;
197 ia64_mv_dma_alloc_coherent
*dma_alloc_coherent
;
198 ia64_mv_dma_free_coherent
*dma_free_coherent
;
199 ia64_mv_dma_map_single_attrs
*dma_map_single_attrs
;
200 ia64_mv_dma_unmap_single_attrs
*dma_unmap_single_attrs
;
201 ia64_mv_dma_map_sg_attrs
*dma_map_sg_attrs
;
202 ia64_mv_dma_unmap_sg_attrs
*dma_unmap_sg_attrs
;
203 ia64_mv_dma_sync_single_for_cpu
*dma_sync_single_for_cpu
;
204 ia64_mv_dma_sync_sg_for_cpu
*dma_sync_sg_for_cpu
;
205 ia64_mv_dma_sync_single_for_device
*dma_sync_single_for_device
;
206 ia64_mv_dma_sync_sg_for_device
*dma_sync_sg_for_device
;
207 ia64_mv_dma_mapping_error
*dma_mapping_error
;
208 ia64_mv_dma_supported
*dma_supported
;
209 ia64_mv_irq_to_vector
*irq_to_vector
;
210 ia64_mv_local_vector_to_irq
*local_vector_to_irq
;
211 ia64_mv_pci_get_legacy_mem_t
*pci_get_legacy_mem
;
212 ia64_mv_pci_legacy_read_t
*pci_legacy_read
;
213 ia64_mv_pci_legacy_write_t
*pci_legacy_write
;
217 ia64_mv_outb_t
*outb
;
218 ia64_mv_outw_t
*outw
;
219 ia64_mv_outl_t
*outl
;
220 ia64_mv_mmiowb_t
*mmiowb
;
221 ia64_mv_readb_t
*readb
;
222 ia64_mv_readw_t
*readw
;
223 ia64_mv_readl_t
*readl
;
224 ia64_mv_readq_t
*readq
;
225 ia64_mv_readb_relaxed_t
*readb_relaxed
;
226 ia64_mv_readw_relaxed_t
*readw_relaxed
;
227 ia64_mv_readl_relaxed_t
*readl_relaxed
;
228 ia64_mv_readq_relaxed_t
*readq_relaxed
;
229 ia64_mv_migrate_t
*migrate
;
230 ia64_mv_setup_msi_irq_t
*setup_msi_irq
;
231 ia64_mv_teardown_msi_irq_t
*teardown_msi_irq
;
232 ia64_mv_pci_fixup_bus_t
*pci_fixup_bus
;
233 ia64_mv_kernel_launch_event_t
*kernel_launch_event
;
234 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
236 #define MACHVEC_INIT(name) \
243 platform_timer_interrupt, \
244 platform_global_tlb_purge, \
245 platform_tlb_migrate_finish, \
247 platform_dma_alloc_coherent, \
248 platform_dma_free_coherent, \
249 platform_dma_map_single_attrs, \
250 platform_dma_unmap_single_attrs, \
251 platform_dma_map_sg_attrs, \
252 platform_dma_unmap_sg_attrs, \
253 platform_dma_sync_single_for_cpu, \
254 platform_dma_sync_sg_for_cpu, \
255 platform_dma_sync_single_for_device, \
256 platform_dma_sync_sg_for_device, \
257 platform_dma_mapping_error, \
258 platform_dma_supported, \
259 platform_irq_to_vector, \
260 platform_local_vector_to_irq, \
261 platform_pci_get_legacy_mem, \
262 platform_pci_legacy_read, \
263 platform_pci_legacy_write, \
275 platform_readb_relaxed, \
276 platform_readw_relaxed, \
277 platform_readl_relaxed, \
278 platform_readq_relaxed, \
280 platform_setup_msi_irq, \
281 platform_teardown_msi_irq, \
282 platform_pci_fixup_bus, \
283 platform_kernel_launch_event \
286 extern struct ia64_machine_vector ia64_mv
;
287 extern void machvec_init (const char *name
);
288 extern void machvec_init_from_cmdline(const char *cmdline
);
291 # error Unknown configuration. Update asm-ia64/machvec.h.
292 # endif /* CONFIG_IA64_GENERIC */
295 * Declare default routines which aren't declared anywhere else:
297 extern ia64_mv_dma_init swiotlb_init
;
298 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent
;
299 extern ia64_mv_dma_free_coherent swiotlb_free_coherent
;
300 extern ia64_mv_dma_map_single swiotlb_map_single
;
301 extern ia64_mv_dma_map_single_attrs swiotlb_map_single_attrs
;
302 extern ia64_mv_dma_unmap_single swiotlb_unmap_single
;
303 extern ia64_mv_dma_unmap_single_attrs swiotlb_unmap_single_attrs
;
304 extern ia64_mv_dma_map_sg swiotlb_map_sg
;
305 extern ia64_mv_dma_map_sg_attrs swiotlb_map_sg_attrs
;
306 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg
;
307 extern ia64_mv_dma_unmap_sg_attrs swiotlb_unmap_sg_attrs
;
308 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
;
309 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
;
310 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device
;
311 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device
;
312 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error
;
313 extern ia64_mv_dma_supported swiotlb_dma_supported
;
316 * Define default versions so we can extend machvec for new platforms without having
317 * to update the machvec files for all existing platforms.
319 #ifndef platform_setup
320 # define platform_setup machvec_setup
322 #ifndef platform_cpu_init
323 # define platform_cpu_init machvec_noop
325 #ifndef platform_irq_init
326 # define platform_irq_init machvec_noop
329 #ifndef platform_send_ipi
330 # define platform_send_ipi ia64_send_ipi /* default to architected version */
332 #ifndef platform_timer_interrupt
333 # define platform_timer_interrupt machvec_timer_interrupt
335 #ifndef platform_global_tlb_purge
336 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
338 #ifndef platform_tlb_migrate_finish
339 # define platform_tlb_migrate_finish machvec_noop_mm
341 #ifndef platform_kernel_launch_event
342 # define platform_kernel_launch_event machvec_noop
344 #ifndef platform_dma_init
345 # define platform_dma_init swiotlb_init
347 #ifndef platform_dma_alloc_coherent
348 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
350 #ifndef platform_dma_free_coherent
351 # define platform_dma_free_coherent swiotlb_free_coherent
353 #ifndef platform_dma_map_single_attrs
354 # define platform_dma_map_single_attrs swiotlb_map_single_attrs
356 #ifndef platform_dma_unmap_single_attrs
357 # define platform_dma_unmap_single_attrs swiotlb_unmap_single_attrs
359 #ifndef platform_dma_map_sg_attrs
360 # define platform_dma_map_sg_attrs swiotlb_map_sg_attrs
362 #ifndef platform_dma_unmap_sg_attrs
363 # define platform_dma_unmap_sg_attrs swiotlb_unmap_sg_attrs
365 #ifndef platform_dma_sync_single_for_cpu
366 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
368 #ifndef platform_dma_sync_sg_for_cpu
369 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
371 #ifndef platform_dma_sync_single_for_device
372 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
374 #ifndef platform_dma_sync_sg_for_device
375 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
377 #ifndef platform_dma_mapping_error
378 # define platform_dma_mapping_error swiotlb_dma_mapping_error
380 #ifndef platform_dma_supported
381 # define platform_dma_supported swiotlb_dma_supported
383 #ifndef platform_irq_to_vector
384 # define platform_irq_to_vector __ia64_irq_to_vector
386 #ifndef platform_local_vector_to_irq
387 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
389 #ifndef platform_pci_get_legacy_mem
390 # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
392 #ifndef platform_pci_legacy_read
393 # define platform_pci_legacy_read ia64_pci_legacy_read
394 extern int ia64_pci_legacy_read(struct pci_bus
*bus
, u16 port
, u32
*val
, u8 size
);
396 #ifndef platform_pci_legacy_write
397 # define platform_pci_legacy_write ia64_pci_legacy_write
398 extern int ia64_pci_legacy_write(struct pci_bus
*bus
, u16 port
, u32 val
, u8 size
);
401 # define platform_inb __ia64_inb
404 # define platform_inw __ia64_inw
407 # define platform_inl __ia64_inl
409 #ifndef platform_outb
410 # define platform_outb __ia64_outb
412 #ifndef platform_outw
413 # define platform_outw __ia64_outw
415 #ifndef platform_outl
416 # define platform_outl __ia64_outl
418 #ifndef platform_mmiowb
419 # define platform_mmiowb __ia64_mmiowb
421 #ifndef platform_readb
422 # define platform_readb __ia64_readb
424 #ifndef platform_readw
425 # define platform_readw __ia64_readw
427 #ifndef platform_readl
428 # define platform_readl __ia64_readl
430 #ifndef platform_readq
431 # define platform_readq __ia64_readq
433 #ifndef platform_readb_relaxed
434 # define platform_readb_relaxed __ia64_readb_relaxed
436 #ifndef platform_readw_relaxed
437 # define platform_readw_relaxed __ia64_readw_relaxed
439 #ifndef platform_readl_relaxed
440 # define platform_readl_relaxed __ia64_readl_relaxed
442 #ifndef platform_readq_relaxed
443 # define platform_readq_relaxed __ia64_readq_relaxed
445 #ifndef platform_migrate
446 # define platform_migrate machvec_noop_task
448 #ifndef platform_setup_msi_irq
449 # define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL)
451 #ifndef platform_teardown_msi_irq
452 # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL)
454 #ifndef platform_pci_fixup_bus
455 # define platform_pci_fixup_bus machvec_noop_bus
458 #endif /* _ASM_IA64_MACHVEC_H */