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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
13#include <linux/config.h>
14#include <linux/types.h>
15
16/* forward declarations: */
17struct device;
18struct pt_regs;
19struct scatterlist;
20struct page;
21struct mm_struct;
22struct pci_bus;
Brent Casavante08e6c52006-01-26 15:55:52 -080023struct task_struct;
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);
29typedef void ia64_mv_timer_interrupt_t (int, void *, struct pt_regs *);
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);
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40/* DMA-mapping interface: */
41typedef void ia64_mv_dma_init (void);
Al Viro06a54492005-10-21 03:21:03 -040042typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, gfp_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -070043typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
44typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
45typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
46typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
47typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
48typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
49typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
50typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
51typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
52typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr);
53typedef int ia64_mv_dma_supported (struct device *, u64);
54
55/*
56 * WARNING: The legacy I/O space is _architected_. Platforms are
57 * expected to follow this architected model (see Section 10.7 in the
58 * IA-64 Architecture Software Developer's Manual). Unfortunately,
59 * some broken machines do not follow that model, which is why we have
60 * to make the inX/outX operations part of the machine vector.
61 * Platform designers should follow the architected model whenever
62 * possible.
63 */
64typedef unsigned int ia64_mv_inb_t (unsigned long);
65typedef unsigned int ia64_mv_inw_t (unsigned long);
66typedef unsigned int ia64_mv_inl_t (unsigned long);
67typedef void ia64_mv_outb_t (unsigned char, unsigned long);
68typedef void ia64_mv_outw_t (unsigned short, unsigned long);
69typedef void ia64_mv_outl_t (unsigned int, unsigned long);
70typedef void ia64_mv_mmiowb_t (void);
71typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
72typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
73typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
74typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
75typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
76typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
77typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
78typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
79
80static inline void
81machvec_noop (void)
82{
83}
84
85static inline void
86machvec_noop_mm (struct mm_struct *mm)
87{
88}
89
Brent Casavante08e6c52006-01-26 15:55:52 -080090static inline void
91machvec_noop_task (struct task_struct *task)
92{
93}
94
Linus Torvalds1da177e2005-04-16 15:20:36 -070095extern void machvec_setup (char **);
96extern void machvec_timer_interrupt (int, void *, struct pt_regs *);
97extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
98extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
99extern void machvec_tlb_migrate_finish (struct mm_struct *);
100
101# if defined (CONFIG_IA64_HP_SIM)
102# include <asm/machvec_hpsim.h>
103# elif defined (CONFIG_IA64_DIG)
104# include <asm/machvec_dig.h>
105# elif defined (CONFIG_IA64_HP_ZX1)
106# include <asm/machvec_hpzx1.h>
107# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
108# include <asm/machvec_hpzx1_swiotlb.h>
109# elif defined (CONFIG_IA64_SGI_SN2)
110# include <asm/machvec_sn2.h>
111# elif defined (CONFIG_IA64_GENERIC)
112
113# ifdef MACHVEC_PLATFORM_HEADER
114# include MACHVEC_PLATFORM_HEADER
115# else
116# define platform_name ia64_mv.name
117# define platform_setup ia64_mv.setup
118# define platform_cpu_init ia64_mv.cpu_init
119# define platform_irq_init ia64_mv.irq_init
120# define platform_send_ipi ia64_mv.send_ipi
121# define platform_timer_interrupt ia64_mv.timer_interrupt
122# define platform_global_tlb_purge ia64_mv.global_tlb_purge
123# define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
124# define platform_dma_init ia64_mv.dma_init
125# define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
126# define platform_dma_free_coherent ia64_mv.dma_free_coherent
127# define platform_dma_map_single ia64_mv.dma_map_single
128# define platform_dma_unmap_single ia64_mv.dma_unmap_single
129# define platform_dma_map_sg ia64_mv.dma_map_sg
130# define platform_dma_unmap_sg ia64_mv.dma_unmap_sg
131# define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
132# define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
133# define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
134# define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
135# define platform_dma_mapping_error ia64_mv.dma_mapping_error
136# define platform_dma_supported ia64_mv.dma_supported
137# define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
138# define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
139# define platform_pci_legacy_read ia64_mv.pci_legacy_read
140# define platform_pci_legacy_write ia64_mv.pci_legacy_write
141# define platform_inb ia64_mv.inb
142# define platform_inw ia64_mv.inw
143# define platform_inl ia64_mv.inl
144# define platform_outb ia64_mv.outb
145# define platform_outw ia64_mv.outw
146# define platform_outl ia64_mv.outl
147# define platform_mmiowb ia64_mv.mmiowb
148# define platform_readb ia64_mv.readb
149# define platform_readw ia64_mv.readw
150# define platform_readl ia64_mv.readl
151# define platform_readq ia64_mv.readq
152# define platform_readb_relaxed ia64_mv.readb_relaxed
153# define platform_readw_relaxed ia64_mv.readw_relaxed
154# define platform_readl_relaxed ia64_mv.readl_relaxed
155# define platform_readq_relaxed ia64_mv.readq_relaxed
Brent Casavante08e6c52006-01-26 15:55:52 -0800156# define platform_migrate ia64_mv.migrate
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157# endif
158
159/* __attribute__((__aligned__(16))) is required to make size of the
160 * structure multiple of 16 bytes.
161 * This will fillup the holes created because of section 3.3.1 in
162 * Software Conventions guide.
163 */
164struct ia64_machine_vector {
165 const char *name;
166 ia64_mv_setup_t *setup;
167 ia64_mv_cpu_init_t *cpu_init;
168 ia64_mv_irq_init_t *irq_init;
169 ia64_mv_send_ipi_t *send_ipi;
170 ia64_mv_timer_interrupt_t *timer_interrupt;
171 ia64_mv_global_tlb_purge_t *global_tlb_purge;
172 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
173 ia64_mv_dma_init *dma_init;
174 ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
175 ia64_mv_dma_free_coherent *dma_free_coherent;
176 ia64_mv_dma_map_single *dma_map_single;
177 ia64_mv_dma_unmap_single *dma_unmap_single;
178 ia64_mv_dma_map_sg *dma_map_sg;
179 ia64_mv_dma_unmap_sg *dma_unmap_sg;
180 ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
181 ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
182 ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
183 ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
184 ia64_mv_dma_mapping_error *dma_mapping_error;
185 ia64_mv_dma_supported *dma_supported;
186 ia64_mv_local_vector_to_irq *local_vector_to_irq;
187 ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
188 ia64_mv_pci_legacy_read_t *pci_legacy_read;
189 ia64_mv_pci_legacy_write_t *pci_legacy_write;
190 ia64_mv_inb_t *inb;
191 ia64_mv_inw_t *inw;
192 ia64_mv_inl_t *inl;
193 ia64_mv_outb_t *outb;
194 ia64_mv_outw_t *outw;
195 ia64_mv_outl_t *outl;
196 ia64_mv_mmiowb_t *mmiowb;
197 ia64_mv_readb_t *readb;
198 ia64_mv_readw_t *readw;
199 ia64_mv_readl_t *readl;
200 ia64_mv_readq_t *readq;
201 ia64_mv_readb_relaxed_t *readb_relaxed;
202 ia64_mv_readw_relaxed_t *readw_relaxed;
203 ia64_mv_readl_relaxed_t *readl_relaxed;
204 ia64_mv_readq_relaxed_t *readq_relaxed;
Brent Casavante08e6c52006-01-26 15:55:52 -0800205 ia64_mv_migrate_t *migrate;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206} __attribute__((__aligned__(16))); /* align attrib? see above comment */
207
208#define MACHVEC_INIT(name) \
209{ \
210 #name, \
211 platform_setup, \
212 platform_cpu_init, \
213 platform_irq_init, \
214 platform_send_ipi, \
215 platform_timer_interrupt, \
216 platform_global_tlb_purge, \
217 platform_tlb_migrate_finish, \
218 platform_dma_init, \
219 platform_dma_alloc_coherent, \
220 platform_dma_free_coherent, \
221 platform_dma_map_single, \
222 platform_dma_unmap_single, \
223 platform_dma_map_sg, \
224 platform_dma_unmap_sg, \
225 platform_dma_sync_single_for_cpu, \
226 platform_dma_sync_sg_for_cpu, \
227 platform_dma_sync_single_for_device, \
228 platform_dma_sync_sg_for_device, \
229 platform_dma_mapping_error, \
230 platform_dma_supported, \
231 platform_local_vector_to_irq, \
232 platform_pci_get_legacy_mem, \
233 platform_pci_legacy_read, \
234 platform_pci_legacy_write, \
235 platform_inb, \
236 platform_inw, \
237 platform_inl, \
238 platform_outb, \
239 platform_outw, \
240 platform_outl, \
241 platform_mmiowb, \
242 platform_readb, \
243 platform_readw, \
244 platform_readl, \
245 platform_readq, \
246 platform_readb_relaxed, \
247 platform_readw_relaxed, \
248 platform_readl_relaxed, \
249 platform_readq_relaxed, \
Brent Casavante08e6c52006-01-26 15:55:52 -0800250 platform_migrate, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251}
252
253extern struct ia64_machine_vector ia64_mv;
254extern void machvec_init (const char *name);
255
256# else
257# error Unknown configuration. Update asm-ia64/machvec.h.
258# endif /* CONFIG_IA64_GENERIC */
259
260/*
261 * Declare default routines which aren't declared anywhere else:
262 */
263extern ia64_mv_dma_init swiotlb_init;
264extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
265extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
266extern ia64_mv_dma_map_single swiotlb_map_single;
267extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
268extern ia64_mv_dma_map_sg swiotlb_map_sg;
269extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
270extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
271extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
272extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
273extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
274extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
275extern ia64_mv_dma_supported swiotlb_dma_supported;
276
277/*
278 * Define default versions so we can extend machvec for new platforms without having
279 * to update the machvec files for all existing platforms.
280 */
281#ifndef platform_setup
282# define platform_setup machvec_setup
283#endif
284#ifndef platform_cpu_init
285# define platform_cpu_init machvec_noop
286#endif
287#ifndef platform_irq_init
288# define platform_irq_init machvec_noop
289#endif
290
291#ifndef platform_send_ipi
292# define platform_send_ipi ia64_send_ipi /* default to architected version */
293#endif
294#ifndef platform_timer_interrupt
295# define platform_timer_interrupt machvec_timer_interrupt
296#endif
297#ifndef platform_global_tlb_purge
298# define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
299#endif
300#ifndef platform_tlb_migrate_finish
301# define platform_tlb_migrate_finish machvec_noop_mm
302#endif
303#ifndef platform_dma_init
304# define platform_dma_init swiotlb_init
305#endif
306#ifndef platform_dma_alloc_coherent
307# define platform_dma_alloc_coherent swiotlb_alloc_coherent
308#endif
309#ifndef platform_dma_free_coherent
310# define platform_dma_free_coherent swiotlb_free_coherent
311#endif
312#ifndef platform_dma_map_single
313# define platform_dma_map_single swiotlb_map_single
314#endif
315#ifndef platform_dma_unmap_single
316# define platform_dma_unmap_single swiotlb_unmap_single
317#endif
318#ifndef platform_dma_map_sg
319# define platform_dma_map_sg swiotlb_map_sg
320#endif
321#ifndef platform_dma_unmap_sg
322# define platform_dma_unmap_sg swiotlb_unmap_sg
323#endif
324#ifndef platform_dma_sync_single_for_cpu
325# define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
326#endif
327#ifndef platform_dma_sync_sg_for_cpu
328# define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
329#endif
330#ifndef platform_dma_sync_single_for_device
331# define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
332#endif
333#ifndef platform_dma_sync_sg_for_device
334# define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
335#endif
336#ifndef platform_dma_mapping_error
337# define platform_dma_mapping_error swiotlb_dma_mapping_error
338#endif
339#ifndef platform_dma_supported
340# define platform_dma_supported swiotlb_dma_supported
341#endif
342#ifndef platform_local_vector_to_irq
343# define platform_local_vector_to_irq __ia64_local_vector_to_irq
344#endif
345#ifndef platform_pci_get_legacy_mem
346# define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
347#endif
348#ifndef platform_pci_legacy_read
349# define platform_pci_legacy_read ia64_pci_legacy_read
350#endif
351#ifndef platform_pci_legacy_write
352# define platform_pci_legacy_write ia64_pci_legacy_write
353#endif
354#ifndef platform_inb
355# define platform_inb __ia64_inb
356#endif
357#ifndef platform_inw
358# define platform_inw __ia64_inw
359#endif
360#ifndef platform_inl
361# define platform_inl __ia64_inl
362#endif
363#ifndef platform_outb
364# define platform_outb __ia64_outb
365#endif
366#ifndef platform_outw
367# define platform_outw __ia64_outw
368#endif
369#ifndef platform_outl
370# define platform_outl __ia64_outl
371#endif
372#ifndef platform_mmiowb
373# define platform_mmiowb __ia64_mmiowb
374#endif
375#ifndef platform_readb
376# define platform_readb __ia64_readb
377#endif
378#ifndef platform_readw
379# define platform_readw __ia64_readw
380#endif
381#ifndef platform_readl
382# define platform_readl __ia64_readl
383#endif
384#ifndef platform_readq
385# define platform_readq __ia64_readq
386#endif
387#ifndef platform_readb_relaxed
388# define platform_readb_relaxed __ia64_readb_relaxed
389#endif
390#ifndef platform_readw_relaxed
391# define platform_readw_relaxed __ia64_readw_relaxed
392#endif
393#ifndef platform_readl_relaxed
394# define platform_readl_relaxed __ia64_readl_relaxed
395#endif
396#ifndef platform_readq_relaxed
397# define platform_readq_relaxed __ia64_readq_relaxed
398#endif
Brent Casavante08e6c52006-01-26 15:55:52 -0800399#ifndef platform_migrate
400# define platform_migrate machvec_noop_task
401#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402
403#endif /* _ASM_IA64_MACHVEC_H */