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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/types.h>
14
15/* forward declarations: */
16struct device;
17struct pt_regs;
18struct scatterlist;
19struct page;
20struct mm_struct;
21struct pci_bus;
Brent Casavante08e6c52006-01-26 15:55:52 -080022struct task_struct;
Eric W. Biederman3b7d1922006-10-04 02:16:59 -070023struct pci_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25typedef void ia64_mv_setup_t (char **);
26typedef void ia64_mv_cpu_init_t (void);
27typedef void ia64_mv_irq_init_t (void);
28typedef void ia64_mv_send_ipi_t (int, int, int, int);
David Howells7d12e782006-10-05 14:55:46 +010029typedef void ia64_mv_timer_interrupt_t (int, void *);
Dean Roec1902aa2005-10-27 15:41:04 -050030typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
32typedef unsigned int ia64_mv_local_vector_to_irq (u8);
33typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
34typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
35 u8 size);
36typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
37 u8 size);
Brent Casavante08e6c52006-01-26 15:55:52 -080038typedef void ia64_mv_migrate_t(struct task_struct * task);
John Keller8ea60912006-10-04 16:49:25 -050039typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
41/* DMA-mapping interface: */
42typedef void ia64_mv_dma_init (void);
Al Viro06a54492005-10-21 03:21:03 -040043typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, gfp_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -070044typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
45typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
46typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
47typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
48typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
49typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
50typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
51typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
52typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
53typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr);
54typedef int ia64_mv_dma_supported (struct device *, u64);
55
56/*
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
63 * possible.
64 */
65typedef unsigned int ia64_mv_inb_t (unsigned long);
66typedef unsigned int ia64_mv_inw_t (unsigned long);
67typedef unsigned int ia64_mv_inl_t (unsigned long);
68typedef void ia64_mv_outb_t (unsigned char, unsigned long);
69typedef void ia64_mv_outw_t (unsigned short, unsigned long);
70typedef void ia64_mv_outl_t (unsigned int, unsigned long);
71typedef void ia64_mv_mmiowb_t (void);
72typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
73typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
74typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
75typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
76typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
77typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
78typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
79typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
Eric W. Biederman3b7d1922006-10-04 02:16:59 -070080
81typedef int ia64_mv_setup_msi_irq_t (unsigned int irq, struct pci_dev *pdev);
82typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
84static inline void
85machvec_noop (void)
86{
87}
88
89static inline void
90machvec_noop_mm (struct mm_struct *mm)
91{
92}
93
Brent Casavante08e6c52006-01-26 15:55:52 -080094static inline void
95machvec_noop_task (struct task_struct *task)
96{
97}
98
John Keller8ea60912006-10-04 16:49:25 -050099static inline void
100machvec_noop_bus (struct pci_bus *bus)
101{
102}
103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104extern void machvec_setup (char **);
David Howells7d12e782006-10-05 14:55:46 +0100105extern void machvec_timer_interrupt (int, void *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
107extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
108extern void machvec_tlb_migrate_finish (struct mm_struct *);
109
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)
121
122# ifdef MACHVEC_PLATFORM_HEADER
123# include MACHVEC_PLATFORM_HEADER
124# else
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
Brent Casavante08e6c52006-01-26 15:55:52 -0800165# define platform_migrate ia64_mv.migrate
Eric W. Biederman3b7d1922006-10-04 02:16:59 -0700166# define platform_setup_msi_irq ia64_mv.setup_msi_irq
167# define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
John Keller8ea60912006-10-04 16:49:25 -0500168# define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169# endif
170
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.
175 */
176struct ia64_machine_vector {
177 const char *name;
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;
202 ia64_mv_inb_t *inb;
203 ia64_mv_inw_t *inw;
204 ia64_mv_inl_t *inl;
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;
Brent Casavante08e6c52006-01-26 15:55:52 -0800217 ia64_mv_migrate_t *migrate;
Eric W. Biederman3b7d1922006-10-04 02:16:59 -0700218 ia64_mv_setup_msi_irq_t *setup_msi_irq;
219 ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
John Keller8ea60912006-10-04 16:49:25 -0500220 ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221} __attribute__((__aligned__(16))); /* align attrib? see above comment */
222
223#define MACHVEC_INIT(name) \
224{ \
225 #name, \
226 platform_setup, \
227 platform_cpu_init, \
228 platform_irq_init, \
229 platform_send_ipi, \
230 platform_timer_interrupt, \
231 platform_global_tlb_purge, \
232 platform_tlb_migrate_finish, \
233 platform_dma_init, \
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, \
250 platform_inb, \
251 platform_inw, \
252 platform_inl, \
253 platform_outb, \
254 platform_outw, \
255 platform_outl, \
256 platform_mmiowb, \
257 platform_readb, \
258 platform_readw, \
259 platform_readl, \
260 platform_readq, \
261 platform_readb_relaxed, \
262 platform_readw_relaxed, \
263 platform_readl_relaxed, \
264 platform_readq_relaxed, \
Brent Casavante08e6c52006-01-26 15:55:52 -0800265 platform_migrate, \
Eric W. Biederman3b7d1922006-10-04 02:16:59 -0700266 platform_setup_msi_irq, \
267 platform_teardown_msi_irq, \
John Keller8ea60912006-10-04 16:49:25 -0500268 platform_pci_fixup_bus, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269}
270
271extern struct ia64_machine_vector ia64_mv;
272extern void machvec_init (const char *name);
273
274# else
275# error Unknown configuration. Update asm-ia64/machvec.h.
276# endif /* CONFIG_IA64_GENERIC */
277
278/*
279 * Declare default routines which aren't declared anywhere else:
280 */
281extern ia64_mv_dma_init swiotlb_init;
282extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
283extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
284extern ia64_mv_dma_map_single swiotlb_map_single;
285extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
286extern ia64_mv_dma_map_sg swiotlb_map_sg;
287extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
288extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
289extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
290extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
291extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
292extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
293extern ia64_mv_dma_supported swiotlb_dma_supported;
294
295/*
296 * Define default versions so we can extend machvec for new platforms without having
297 * to update the machvec files for all existing platforms.
298 */
299#ifndef platform_setup
300# define platform_setup machvec_setup
301#endif
302#ifndef platform_cpu_init
303# define platform_cpu_init machvec_noop
304#endif
305#ifndef platform_irq_init
306# define platform_irq_init machvec_noop
307#endif
308
309#ifndef platform_send_ipi
310# define platform_send_ipi ia64_send_ipi /* default to architected version */
311#endif
312#ifndef platform_timer_interrupt
313# define platform_timer_interrupt machvec_timer_interrupt
314#endif
315#ifndef platform_global_tlb_purge
316# define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
317#endif
318#ifndef platform_tlb_migrate_finish
319# define platform_tlb_migrate_finish machvec_noop_mm
320#endif
321#ifndef platform_dma_init
322# define platform_dma_init swiotlb_init
323#endif
324#ifndef platform_dma_alloc_coherent
325# define platform_dma_alloc_coherent swiotlb_alloc_coherent
326#endif
327#ifndef platform_dma_free_coherent
328# define platform_dma_free_coherent swiotlb_free_coherent
329#endif
330#ifndef platform_dma_map_single
331# define platform_dma_map_single swiotlb_map_single
332#endif
333#ifndef platform_dma_unmap_single
334# define platform_dma_unmap_single swiotlb_unmap_single
335#endif
336#ifndef platform_dma_map_sg
337# define platform_dma_map_sg swiotlb_map_sg
338#endif
339#ifndef platform_dma_unmap_sg
340# define platform_dma_unmap_sg swiotlb_unmap_sg
341#endif
342#ifndef platform_dma_sync_single_for_cpu
343# define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
344#endif
345#ifndef platform_dma_sync_sg_for_cpu
346# define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
347#endif
348#ifndef platform_dma_sync_single_for_device
349# define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
350#endif
351#ifndef platform_dma_sync_sg_for_device
352# define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
353#endif
354#ifndef platform_dma_mapping_error
355# define platform_dma_mapping_error swiotlb_dma_mapping_error
356#endif
357#ifndef platform_dma_supported
358# define platform_dma_supported swiotlb_dma_supported
359#endif
360#ifndef platform_local_vector_to_irq
361# define platform_local_vector_to_irq __ia64_local_vector_to_irq
362#endif
363#ifndef platform_pci_get_legacy_mem
364# define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
365#endif
366#ifndef platform_pci_legacy_read
367# define platform_pci_legacy_read ia64_pci_legacy_read
Satoru Takeuchia72391e2006-04-20 18:49:48 +0900368extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369#endif
370#ifndef platform_pci_legacy_write
371# define platform_pci_legacy_write ia64_pci_legacy_write
Satoru Takeuchia72391e2006-04-20 18:49:48 +0900372extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373#endif
374#ifndef platform_inb
375# define platform_inb __ia64_inb
376#endif
377#ifndef platform_inw
378# define platform_inw __ia64_inw
379#endif
380#ifndef platform_inl
381# define platform_inl __ia64_inl
382#endif
383#ifndef platform_outb
384# define platform_outb __ia64_outb
385#endif
386#ifndef platform_outw
387# define platform_outw __ia64_outw
388#endif
389#ifndef platform_outl
390# define platform_outl __ia64_outl
391#endif
392#ifndef platform_mmiowb
393# define platform_mmiowb __ia64_mmiowb
394#endif
395#ifndef platform_readb
396# define platform_readb __ia64_readb
397#endif
398#ifndef platform_readw
399# define platform_readw __ia64_readw
400#endif
401#ifndef platform_readl
402# define platform_readl __ia64_readl
403#endif
404#ifndef platform_readq
405# define platform_readq __ia64_readq
406#endif
407#ifndef platform_readb_relaxed
408# define platform_readb_relaxed __ia64_readb_relaxed
409#endif
410#ifndef platform_readw_relaxed
411# define platform_readw_relaxed __ia64_readw_relaxed
412#endif
413#ifndef platform_readl_relaxed
414# define platform_readl_relaxed __ia64_readl_relaxed
415#endif
416#ifndef platform_readq_relaxed
417# define platform_readq_relaxed __ia64_readq_relaxed
418#endif
Brent Casavante08e6c52006-01-26 15:55:52 -0800419#ifndef platform_migrate
420# define platform_migrate machvec_noop_task
421#endif
Eric W. Biederman3b7d1922006-10-04 02:16:59 -0700422#ifndef platform_setup_msi_irq
423# define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL)
424#endif
425#ifndef platform_teardown_msi_irq
426# define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL)
Mark Maulefd58e552006-04-10 21:17:48 -0500427#endif
John Keller8ea60912006-10-04 16:49:25 -0500428#ifndef platform_pci_fixup_bus
429# define platform_pci_fixup_bus machvec_noop_bus
430#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
432#endif /* _ASM_IA64_MACHVEC_H */