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: */
25 typedef void ia64_mv_setup_t (char **);
26 typedef void ia64_mv_cpu_init_t (void);
27 typedef void ia64_mv_irq_init_t (void);
28 typedef void ia64_mv_send_ipi_t (int, int, int, int);
29 typedef void ia64_mv_timer_interrupt_t (int, void *);
30 typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
31 typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
32 typedef unsigned int ia64_mv_local_vector_to_irq (u8);
33 typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
34 typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
36 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
38 typedef void ia64_mv_migrate_t(struct task_struct * task);
39 typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
41 /* DMA-mapping interface: */
42 typedef void ia64_mv_dma_init (void);
43 typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, gfp_t);
44 typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
45 typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
46 typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
47 typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
48 typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
49 typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
50 typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
51 typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
52 typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
53 typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr);
54 typedef int ia64_mv_dma_supported (struct device *, u64);
57 * WARNING: The legacy I/O space is _architected_. Platforms are
58 * expected to follow this architected model (see Section 10.7 in the
59 * IA-64 Architecture Software Developer's Manual). Unfortunately,
60 * some broken machines do not follow that model, which is why we have
61 * to make the inX/outX operations part of the machine vector.
62 * Platform designers should follow the architected model whenever
65 typedef unsigned int ia64_mv_inb_t (unsigned long);
66 typedef unsigned int ia64_mv_inw_t (unsigned long);
67 typedef unsigned int ia64_mv_inl_t (unsigned long);
68 typedef void ia64_mv_outb_t (unsigned char, unsigned long);
69 typedef void ia64_mv_outw_t (unsigned short, unsigned long);
70 typedef void ia64_mv_outl_t (unsigned int, unsigned long);
71 typedef void ia64_mv_mmiowb_t (void);
72 typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
73 typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
74 typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
75 typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
76 typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
77 typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
78 typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
79 typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
81 typedef int ia64_mv_setup_msi_irq_t (unsigned int irq, struct pci_dev *pdev);
82 typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
90 machvec_noop_mm (struct mm_struct *mm)
95 machvec_noop_task (struct task_struct *task)
100 machvec_noop_bus (struct pci_bus *bus)
104 extern void machvec_setup (char **);
105 extern void machvec_timer_interrupt (int, void *);
106 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
107 extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
108 extern void machvec_tlb_migrate_finish (struct mm_struct *);
110 # if defined (CONFIG_IA64_HP_SIM)
111 # include <asm/machvec_hpsim.h>
112 # elif defined (CONFIG_IA64_DIG)
113 # include <asm/machvec_dig.h>
114 # elif defined (CONFIG_IA64_HP_ZX1)
115 # include <asm/machvec_hpzx1.h>
116 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
117 # include <asm/machvec_hpzx1_swiotlb.h>
118 # elif defined (CONFIG_IA64_SGI_SN2)
119 # include <asm/machvec_sn2.h>
120 # elif defined (CONFIG_IA64_GENERIC)
122 # ifdef MACHVEC_PLATFORM_HEADER
123 # include MACHVEC_PLATFORM_HEADER
125 # define platform_name ia64_mv.name
126 # define platform_setup ia64_mv.setup
127 # define platform_cpu_init ia64_mv.cpu_init
128 # define platform_irq_init ia64_mv.irq_init
129 # define platform_send_ipi ia64_mv.send_ipi
130 # define platform_timer_interrupt ia64_mv.timer_interrupt
131 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
132 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
133 # define platform_dma_init ia64_mv.dma_init
134 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
135 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
136 # define platform_dma_map_single ia64_mv.dma_map_single
137 # define platform_dma_unmap_single ia64_mv.dma_unmap_single
138 # define platform_dma_map_sg ia64_mv.dma_map_sg
139 # define platform_dma_unmap_sg ia64_mv.dma_unmap_sg
140 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
141 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
142 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
143 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
144 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
145 # define platform_dma_supported ia64_mv.dma_supported
146 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
147 # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
148 # define platform_pci_legacy_read ia64_mv.pci_legacy_read
149 # define platform_pci_legacy_write ia64_mv.pci_legacy_write
150 # define platform_inb ia64_mv.inb
151 # define platform_inw ia64_mv.inw
152 # define platform_inl ia64_mv.inl
153 # define platform_outb ia64_mv.outb
154 # define platform_outw ia64_mv.outw
155 # define platform_outl ia64_mv.outl
156 # define platform_mmiowb ia64_mv.mmiowb
157 # define platform_readb ia64_mv.readb
158 # define platform_readw ia64_mv.readw
159 # define platform_readl ia64_mv.readl
160 # define platform_readq ia64_mv.readq
161 # define platform_readb_relaxed ia64_mv.readb_relaxed
162 # define platform_readw_relaxed ia64_mv.readw_relaxed
163 # define platform_readl_relaxed ia64_mv.readl_relaxed
164 # define platform_readq_relaxed ia64_mv.readq_relaxed
165 # define platform_migrate ia64_mv.migrate
166 # define platform_setup_msi_irq ia64_mv.setup_msi_irq
167 # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
168 # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
171 /* __attribute__((__aligned__(16))) is required to make size of the
172 * structure multiple of 16 bytes.
173 * This will fillup the holes created because of section 3.3.1 in
174 * Software Conventions guide.
176 struct ia64_machine_vector {
178 ia64_mv_setup_t *setup;
179 ia64_mv_cpu_init_t *cpu_init;
180 ia64_mv_irq_init_t *irq_init;
181 ia64_mv_send_ipi_t *send_ipi;
182 ia64_mv_timer_interrupt_t *timer_interrupt;
183 ia64_mv_global_tlb_purge_t *global_tlb_purge;
184 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
185 ia64_mv_dma_init *dma_init;
186 ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
187 ia64_mv_dma_free_coherent *dma_free_coherent;
188 ia64_mv_dma_map_single *dma_map_single;
189 ia64_mv_dma_unmap_single *dma_unmap_single;
190 ia64_mv_dma_map_sg *dma_map_sg;
191 ia64_mv_dma_unmap_sg *dma_unmap_sg;
192 ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
193 ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
194 ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
195 ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
196 ia64_mv_dma_mapping_error *dma_mapping_error;
197 ia64_mv_dma_supported *dma_supported;
198 ia64_mv_local_vector_to_irq *local_vector_to_irq;
199 ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
200 ia64_mv_pci_legacy_read_t *pci_legacy_read;
201 ia64_mv_pci_legacy_write_t *pci_legacy_write;
205 ia64_mv_outb_t *outb;
206 ia64_mv_outw_t *outw;
207 ia64_mv_outl_t *outl;
208 ia64_mv_mmiowb_t *mmiowb;
209 ia64_mv_readb_t *readb;
210 ia64_mv_readw_t *readw;
211 ia64_mv_readl_t *readl;
212 ia64_mv_readq_t *readq;
213 ia64_mv_readb_relaxed_t *readb_relaxed;
214 ia64_mv_readw_relaxed_t *readw_relaxed;
215 ia64_mv_readl_relaxed_t *readl_relaxed;
216 ia64_mv_readq_relaxed_t *readq_relaxed;
217 ia64_mv_migrate_t *migrate;
218 ia64_mv_setup_msi_irq_t *setup_msi_irq;
219 ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
220 ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
221 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
223 #define MACHVEC_INIT(name) \
230 platform_timer_interrupt, \
231 platform_global_tlb_purge, \
232 platform_tlb_migrate_finish, \
234 platform_dma_alloc_coherent, \
235 platform_dma_free_coherent, \
236 platform_dma_map_single, \
237 platform_dma_unmap_single, \
238 platform_dma_map_sg, \
239 platform_dma_unmap_sg, \
240 platform_dma_sync_single_for_cpu, \
241 platform_dma_sync_sg_for_cpu, \
242 platform_dma_sync_single_for_device, \
243 platform_dma_sync_sg_for_device, \
244 platform_dma_mapping_error, \
245 platform_dma_supported, \
246 platform_local_vector_to_irq, \
247 platform_pci_get_legacy_mem, \
248 platform_pci_legacy_read, \
249 platform_pci_legacy_write, \
261 platform_readb_relaxed, \
262 platform_readw_relaxed, \
263 platform_readl_relaxed, \
264 platform_readq_relaxed, \
266 platform_setup_msi_irq, \
267 platform_teardown_msi_irq, \
268 platform_pci_fixup_bus, \
271 extern struct ia64_machine_vector ia64_mv;
272 extern void machvec_init (const char *name);
275 # error Unknown configuration. Update asm-ia64/machvec.h.
276 # endif /* CONFIG_IA64_GENERIC */
279 * Declare default routines which aren't declared anywhere else:
281 extern ia64_mv_dma_init swiotlb_init;
282 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
283 extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
284 extern ia64_mv_dma_map_single swiotlb_map_single;
285 extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
286 extern ia64_mv_dma_map_sg swiotlb_map_sg;
287 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
288 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
289 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
290 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
291 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
292 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
293 extern ia64_mv_dma_supported swiotlb_dma_supported;
296 * Define default versions so we can extend machvec for new platforms without having
297 * to update the machvec files for all existing platforms.
299 #ifndef platform_setup
300 # define platform_setup machvec_setup
302 #ifndef platform_cpu_init
303 # define platform_cpu_init machvec_noop
305 #ifndef platform_irq_init
306 # define platform_irq_init machvec_noop
309 #ifndef platform_send_ipi
310 # define platform_send_ipi ia64_send_ipi /* default to architected version */
312 #ifndef platform_timer_interrupt
313 # define platform_timer_interrupt machvec_timer_interrupt
315 #ifndef platform_global_tlb_purge
316 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
318 #ifndef platform_tlb_migrate_finish
319 # define platform_tlb_migrate_finish machvec_noop_mm
321 #ifndef platform_dma_init
322 # define platform_dma_init swiotlb_init
324 #ifndef platform_dma_alloc_coherent
325 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
327 #ifndef platform_dma_free_coherent
328 # define platform_dma_free_coherent swiotlb_free_coherent
330 #ifndef platform_dma_map_single
331 # define platform_dma_map_single swiotlb_map_single
333 #ifndef platform_dma_unmap_single
334 # define platform_dma_unmap_single swiotlb_unmap_single
336 #ifndef platform_dma_map_sg
337 # define platform_dma_map_sg swiotlb_map_sg
339 #ifndef platform_dma_unmap_sg
340 # define platform_dma_unmap_sg swiotlb_unmap_sg
342 #ifndef platform_dma_sync_single_for_cpu
343 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
345 #ifndef platform_dma_sync_sg_for_cpu
346 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
348 #ifndef platform_dma_sync_single_for_device
349 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
351 #ifndef platform_dma_sync_sg_for_device
352 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
354 #ifndef platform_dma_mapping_error
355 # define platform_dma_mapping_error swiotlb_dma_mapping_error
357 #ifndef platform_dma_supported
358 # define platform_dma_supported swiotlb_dma_supported
360 #ifndef platform_local_vector_to_irq
361 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
363 #ifndef platform_pci_get_legacy_mem
364 # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
366 #ifndef platform_pci_legacy_read
367 # define platform_pci_legacy_read ia64_pci_legacy_read
368 extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
370 #ifndef platform_pci_legacy_write
371 # define platform_pci_legacy_write ia64_pci_legacy_write
372 extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
375 # define platform_inb __ia64_inb
378 # define platform_inw __ia64_inw
381 # define platform_inl __ia64_inl
383 #ifndef platform_outb
384 # define platform_outb __ia64_outb
386 #ifndef platform_outw
387 # define platform_outw __ia64_outw
389 #ifndef platform_outl
390 # define platform_outl __ia64_outl
392 #ifndef platform_mmiowb
393 # define platform_mmiowb __ia64_mmiowb
395 #ifndef platform_readb
396 # define platform_readb __ia64_readb
398 #ifndef platform_readw
399 # define platform_readw __ia64_readw
401 #ifndef platform_readl
402 # define platform_readl __ia64_readl
404 #ifndef platform_readq
405 # define platform_readq __ia64_readq
407 #ifndef platform_readb_relaxed
408 # define platform_readb_relaxed __ia64_readb_relaxed
410 #ifndef platform_readw_relaxed
411 # define platform_readw_relaxed __ia64_readw_relaxed
413 #ifndef platform_readl_relaxed
414 # define platform_readl_relaxed __ia64_readl_relaxed
416 #ifndef platform_readq_relaxed
417 # define platform_readq_relaxed __ia64_readq_relaxed
419 #ifndef platform_migrate
420 # define platform_migrate machvec_noop_task
422 #ifndef platform_setup_msi_irq
423 # define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL)
425 #ifndef platform_teardown_msi_irq
426 # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL)
428 #ifndef platform_pci_fixup_bus
429 # define platform_pci_fixup_bus machvec_noop_bus
432 #endif /* _ASM_IA64_MACHVEC_H */