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/config.h>
14 #include <linux/types.h>
16 /* forward declarations: */
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 struct irq_desc *ia64_mv_irq_desc (unsigned int);
32 typedef u8 ia64_mv_irq_to_vector (unsigned int);
33 typedef unsigned int ia64_mv_local_vector_to_irq (u8);
35 /* DMA-mapping interface: */
36 typedef void ia64_mv_dma_init (void);
37 typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, int);
38 typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
39 typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
40 typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
41 typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
42 typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
43 typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
44 typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
45 typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
46 typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
47 typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr);
48 typedef int ia64_mv_dma_supported (struct device *, u64);
51 * WARNING: The legacy I/O space is _architected_. Platforms are
52 * expected to follow this architected model (see Section 10.7 in the
53 * IA-64 Architecture Software Developer's Manual). Unfortunately,
54 * some broken machines do not follow that model, which is why we have
55 * to make the inX/outX operations part of the machine vector.
56 * Platform designers should follow the architected model whenever
59 typedef unsigned int ia64_mv_inb_t (unsigned long);
60 typedef unsigned int ia64_mv_inw_t (unsigned long);
61 typedef unsigned int ia64_mv_inl_t (unsigned long);
62 typedef void ia64_mv_outb_t (unsigned char, unsigned long);
63 typedef void ia64_mv_outw_t (unsigned short, unsigned long);
64 typedef void ia64_mv_outl_t (unsigned int, unsigned long);
65 typedef void ia64_mv_mmiowb_t (void);
66 typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
67 typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
68 typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
69 typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
70 typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
71 typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
72 typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
73 typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
81 machvec_noop_mm (struct mm_struct *mm)
85 extern void machvec_setup (char **);
86 extern void machvec_timer_interrupt (int, void *, struct pt_regs *);
87 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
88 extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
89 extern void machvec_tlb_migrate_finish (struct mm_struct *);
91 # if defined (CONFIG_IA64_HP_SIM)
92 # include <asm/machvec_hpsim.h>
93 # elif defined (CONFIG_IA64_DIG)
94 # include <asm/machvec_dig.h>
95 # elif defined (CONFIG_IA64_HP_ZX1)
96 # include <asm/machvec_hpzx1.h>
97 # elif defined (CONFIG_IA64_SGI_SN2)
98 # include <asm/machvec_sn2.h>
99 # elif defined (CONFIG_IA64_GENERIC)
101 # ifdef MACHVEC_PLATFORM_HEADER
102 # include MACHVEC_PLATFORM_HEADER
104 # define platform_name ia64_mv.name
105 # define platform_setup ia64_mv.setup
106 # define platform_cpu_init ia64_mv.cpu_init
107 # define platform_irq_init ia64_mv.irq_init
108 # define platform_send_ipi ia64_mv.send_ipi
109 # define platform_timer_interrupt ia64_mv.timer_interrupt
110 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
111 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
112 # define platform_dma_init ia64_mv.dma_init
113 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
114 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
115 # define platform_dma_map_single ia64_mv.dma_map_single
116 # define platform_dma_unmap_single ia64_mv.dma_unmap_single
117 # define platform_dma_map_sg ia64_mv.dma_map_sg
118 # define platform_dma_unmap_sg ia64_mv.dma_unmap_sg
119 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
120 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
121 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
122 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
123 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
124 # define platform_dma_supported ia64_mv.dma_supported
125 # define platform_irq_desc ia64_mv.irq_desc
126 # define platform_irq_to_vector ia64_mv.irq_to_vector
127 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
128 # define platform_inb ia64_mv.inb
129 # define platform_inw ia64_mv.inw
130 # define platform_inl ia64_mv.inl
131 # define platform_outb ia64_mv.outb
132 # define platform_outw ia64_mv.outw
133 # define platform_outl ia64_mv.outl
134 # define platform_mmiowb ia64_mv.mmiowb
135 # define platform_readb ia64_mv.readb
136 # define platform_readw ia64_mv.readw
137 # define platform_readl ia64_mv.readl
138 # define platform_readq ia64_mv.readq
139 # define platform_readb_relaxed ia64_mv.readb_relaxed
140 # define platform_readw_relaxed ia64_mv.readw_relaxed
141 # define platform_readl_relaxed ia64_mv.readl_relaxed
142 # define platform_readq_relaxed ia64_mv.readq_relaxed
145 /* __attribute__((__aligned__(16))) is required to make size of the
146 * structure multiple of 16 bytes.
147 * This will fillup the holes created because of section 3.3.1 in
148 * Software Conventions guide.
150 struct ia64_machine_vector {
152 ia64_mv_setup_t *setup;
153 ia64_mv_cpu_init_t *cpu_init;
154 ia64_mv_irq_init_t *irq_init;
155 ia64_mv_send_ipi_t *send_ipi;
156 ia64_mv_timer_interrupt_t *timer_interrupt;
157 ia64_mv_global_tlb_purge_t *global_tlb_purge;
158 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
159 ia64_mv_dma_init *dma_init;
160 ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
161 ia64_mv_dma_free_coherent *dma_free_coherent;
162 ia64_mv_dma_map_single *dma_map_single;
163 ia64_mv_dma_unmap_single *dma_unmap_single;
164 ia64_mv_dma_map_sg *dma_map_sg;
165 ia64_mv_dma_unmap_sg *dma_unmap_sg;
166 ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
167 ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
168 ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
169 ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
170 ia64_mv_dma_mapping_error *dma_mapping_error;
171 ia64_mv_dma_supported *dma_supported;
172 ia64_mv_irq_desc *irq_desc;
173 ia64_mv_irq_to_vector *irq_to_vector;
174 ia64_mv_local_vector_to_irq *local_vector_to_irq;
178 ia64_mv_outb_t *outb;
179 ia64_mv_outw_t *outw;
180 ia64_mv_outl_t *outl;
181 ia64_mv_mmiowb_t *mmiowb;
182 ia64_mv_readb_t *readb;
183 ia64_mv_readw_t *readw;
184 ia64_mv_readl_t *readl;
185 ia64_mv_readq_t *readq;
186 ia64_mv_readb_relaxed_t *readb_relaxed;
187 ia64_mv_readw_relaxed_t *readw_relaxed;
188 ia64_mv_readl_relaxed_t *readl_relaxed;
189 ia64_mv_readq_relaxed_t *readq_relaxed;
190 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
192 #define MACHVEC_INIT(name) \
199 platform_timer_interrupt, \
200 platform_global_tlb_purge, \
201 platform_tlb_migrate_finish, \
203 platform_dma_alloc_coherent, \
204 platform_dma_free_coherent, \
205 platform_dma_map_single, \
206 platform_dma_unmap_single, \
207 platform_dma_map_sg, \
208 platform_dma_unmap_sg, \
209 platform_dma_sync_single_for_cpu, \
210 platform_dma_sync_sg_for_cpu, \
211 platform_dma_sync_single_for_device, \
212 platform_dma_sync_sg_for_device, \
213 platform_dma_mapping_error, \
214 platform_dma_supported, \
216 platform_irq_to_vector, \
217 platform_local_vector_to_irq, \
229 platform_readb_relaxed, \
230 platform_readw_relaxed, \
231 platform_readl_relaxed, \
232 platform_readq_relaxed, \
235 extern struct ia64_machine_vector ia64_mv;
236 extern void machvec_init (const char *name);
239 # error Unknown configuration. Update asm-ia64/machvec.h.
240 # endif /* CONFIG_IA64_GENERIC */
243 * Declare default routines which aren't declared anywhere else:
245 extern ia64_mv_dma_init swiotlb_init;
246 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
247 extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
248 extern ia64_mv_dma_map_single swiotlb_map_single;
249 extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
250 extern ia64_mv_dma_map_sg swiotlb_map_sg;
251 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
252 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
253 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
254 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
255 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
256 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
257 extern ia64_mv_dma_supported swiotlb_dma_supported;
260 * Define default versions so we can extend machvec for new platforms without having
261 * to update the machvec files for all existing platforms.
263 #ifndef platform_setup
264 # define platform_setup machvec_setup
266 #ifndef platform_cpu_init
267 # define platform_cpu_init machvec_noop
269 #ifndef platform_irq_init
270 # define platform_irq_init machvec_noop
273 #ifndef platform_send_ipi
274 # define platform_send_ipi ia64_send_ipi /* default to architected version */
276 #ifndef platform_timer_interrupt
277 # define platform_timer_interrupt machvec_timer_interrupt
279 #ifndef platform_global_tlb_purge
280 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
282 #ifndef platform_tlb_migrate_finish
283 # define platform_tlb_migrate_finish machvec_noop_mm
285 #ifndef platform_dma_init
286 # define platform_dma_init swiotlb_init
288 #ifndef platform_dma_alloc_coherent
289 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
291 #ifndef platform_dma_free_coherent
292 # define platform_dma_free_coherent swiotlb_free_coherent
294 #ifndef platform_dma_map_single
295 # define platform_dma_map_single swiotlb_map_single
297 #ifndef platform_dma_unmap_single
298 # define platform_dma_unmap_single swiotlb_unmap_single
300 #ifndef platform_dma_map_sg
301 # define platform_dma_map_sg swiotlb_map_sg
303 #ifndef platform_dma_unmap_sg
304 # define platform_dma_unmap_sg swiotlb_unmap_sg
306 #ifndef platform_dma_sync_single_for_cpu
307 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
309 #ifndef platform_dma_sync_sg_for_cpu
310 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
312 #ifndef platform_dma_sync_single_for_device
313 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
315 #ifndef platform_dma_sync_sg_for_device
316 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
318 #ifndef platform_dma_mapping_error
319 # define platform_dma_mapping_error swiotlb_dma_mapping_error
321 #ifndef platform_dma_supported
322 # define platform_dma_supported swiotlb_dma_supported
324 #ifndef platform_irq_desc
325 # define platform_irq_desc __ia64_irq_desc
327 #ifndef platform_irq_to_vector
328 # define platform_irq_to_vector __ia64_irq_to_vector
330 #ifndef platform_local_vector_to_irq
331 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
334 # define platform_inb __ia64_inb
337 # define platform_inw __ia64_inw
340 # define platform_inl __ia64_inl
342 #ifndef platform_outb
343 # define platform_outb __ia64_outb
345 #ifndef platform_outw
346 # define platform_outw __ia64_outw
348 #ifndef platform_outl
349 # define platform_outl __ia64_outl
351 #ifndef platform_mmiowb
352 # define platform_mmiowb __ia64_mmiowb
354 #ifndef platform_readb
355 # define platform_readb __ia64_readb
357 #ifndef platform_readw
358 # define platform_readw __ia64_readw
360 #ifndef platform_readl
361 # define platform_readl __ia64_readl
363 #ifndef platform_readq
364 # define platform_readq __ia64_readq
366 #ifndef platform_readb_relaxed
367 # define platform_readb_relaxed __ia64_readb_relaxed
369 #ifndef platform_readw_relaxed
370 # define platform_readw_relaxed __ia64_readw_relaxed
372 #ifndef platform_readl_relaxed
373 # define platform_readl_relaxed __ia64_readl_relaxed
375 #ifndef platform_readq_relaxed
376 # define platform_readq_relaxed __ia64_readq_relaxed
379 #endif /* _ASM_IA64_MACHVEC_H */