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 (u8);
33 typedef unsigned int ia64_mv_local_vector_to_irq (u8 vector);
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 unsigned char ia64_mv_readb_t (void *);
66 typedef unsigned short ia64_mv_readw_t (void *);
67 typedef unsigned int ia64_mv_readl_t (void *);
68 typedef unsigned long ia64_mv_readq_t (void *);
69 typedef unsigned char ia64_mv_readb_relaxed_t (void *);
70 typedef unsigned short ia64_mv_readw_relaxed_t (void *);
71 typedef unsigned int ia64_mv_readl_relaxed_t (void *);
72 typedef unsigned long ia64_mv_readq_relaxed_t (void *);
80 machvec_noop_mm (struct mm_struct *mm)
84 extern void machvec_setup (char **);
85 extern void machvec_timer_interrupt (int, void *, struct pt_regs *);
86 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
87 extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
88 extern void machvec_tlb_migrate_finish (struct mm_struct *);
90 # if defined (CONFIG_IA64_HP_SIM)
91 # include <asm/machvec_hpsim.h>
92 # elif defined (CONFIG_IA64_DIG)
93 # include <asm/machvec_dig.h>
94 # elif defined (CONFIG_IA64_HP_ZX1)
95 # include <asm/machvec_hpzx1.h>
96 # elif defined (CONFIG_IA64_SGI_SN2)
97 # include <asm/machvec_sn2.h>
98 # elif defined (CONFIG_IA64_GENERIC)
100 # ifdef MACHVEC_PLATFORM_HEADER
101 # include MACHVEC_PLATFORM_HEADER
103 # define platform_name ia64_mv.name
104 # define platform_setup ia64_mv.setup
105 # define platform_cpu_init ia64_mv.cpu_init
106 # define platform_irq_init ia64_mv.irq_init
107 # define platform_send_ipi ia64_mv.send_ipi
108 # define platform_timer_interrupt ia64_mv.timer_interrupt
109 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
110 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
111 # define platform_dma_init ia64_mv.dma_init
112 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
113 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
114 # define platform_dma_map_single ia64_mv.dma_map_single
115 # define platform_dma_unmap_single ia64_mv.dma_unmap_single
116 # define platform_dma_map_sg ia64_mv.dma_map_sg
117 # define platform_dma_unmap_sg ia64_mv.dma_unmap_sg
118 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
119 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
120 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
121 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
122 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
123 # define platform_dma_supported ia64_mv.dma_supported
124 # define platform_irq_desc ia64_mv.irq_desc
125 # define platform_irq_to_vector ia64_mv.irq_to_vector
126 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
127 # define platform_inb ia64_mv.inb
128 # define platform_inw ia64_mv.inw
129 # define platform_inl ia64_mv.inl
130 # define platform_outb ia64_mv.outb
131 # define platform_outw ia64_mv.outw
132 # define platform_outl ia64_mv.outl
133 # define platform_readb ia64_mv.readb
134 # define platform_readw ia64_mv.readw
135 # define platform_readl ia64_mv.readl
136 # define platform_readq ia64_mv.readq
137 # define platform_readb_relaxed ia64_mv.readb_relaxed
138 # define platform_readw_relaxed ia64_mv.readw_relaxed
139 # define platform_readl_relaxed ia64_mv.readl_relaxed
140 # define platform_readq_relaxed ia64_mv.readq_relaxed
143 /* __attribute__((__aligned__(16))) is required to make size of the
144 * structure multiple of 16 bytes.
145 * This will fillup the holes created because of section 3.3.1 in
146 * Software Conventions guide.
148 struct ia64_machine_vector {
150 ia64_mv_setup_t *setup;
151 ia64_mv_cpu_init_t *cpu_init;
152 ia64_mv_irq_init_t *irq_init;
153 ia64_mv_send_ipi_t *send_ipi;
154 ia64_mv_timer_interrupt_t *timer_interrupt;
155 ia64_mv_global_tlb_purge_t *global_tlb_purge;
156 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
157 ia64_mv_dma_init *dma_init;
158 ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
159 ia64_mv_dma_free_coherent *dma_free_coherent;
160 ia64_mv_dma_map_single *dma_map_single;
161 ia64_mv_dma_unmap_single *dma_unmap_single;
162 ia64_mv_dma_map_sg *dma_map_sg;
163 ia64_mv_dma_unmap_sg *dma_unmap_sg;
164 ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
165 ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
166 ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
167 ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
168 ia64_mv_dma_mapping_error *dma_mapping_error;
169 ia64_mv_dma_supported *dma_supported;
170 ia64_mv_irq_desc *irq_desc;
171 ia64_mv_irq_to_vector *irq_to_vector;
172 ia64_mv_local_vector_to_irq *local_vector_to_irq;
176 ia64_mv_outb_t *outb;
177 ia64_mv_outw_t *outw;
178 ia64_mv_outl_t *outl;
179 ia64_mv_readb_t *readb;
180 ia64_mv_readw_t *readw;
181 ia64_mv_readl_t *readl;
182 ia64_mv_readq_t *readq;
183 ia64_mv_readb_relaxed_t *readb_relaxed;
184 ia64_mv_readw_relaxed_t *readw_relaxed;
185 ia64_mv_readl_relaxed_t *readl_relaxed;
186 ia64_mv_readq_relaxed_t *readq_relaxed;
187 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
189 #define MACHVEC_INIT(name) \
196 platform_timer_interrupt, \
197 platform_global_tlb_purge, \
198 platform_tlb_migrate_finish, \
200 platform_dma_alloc_coherent, \
201 platform_dma_free_coherent, \
202 platform_dma_map_single, \
203 platform_dma_unmap_single, \
204 platform_dma_map_sg, \
205 platform_dma_unmap_sg, \
206 platform_dma_sync_single_for_cpu, \
207 platform_dma_sync_sg_for_cpu, \
208 platform_dma_sync_single_for_device, \
209 platform_dma_sync_sg_for_device, \
210 platform_dma_mapping_error, \
211 platform_dma_supported, \
213 platform_irq_to_vector, \
214 platform_local_vector_to_irq, \
225 platform_readb_relaxed, \
226 platform_readw_relaxed, \
227 platform_readl_relaxed, \
228 platform_readq_relaxed, \
231 extern struct ia64_machine_vector ia64_mv;
232 extern void machvec_init (const char *name);
235 # error Unknown configuration. Update asm-ia64/machvec.h.
236 # endif /* CONFIG_IA64_GENERIC */
239 * Declare default routines which aren't declared anywhere else:
241 extern ia64_mv_dma_init swiotlb_init;
242 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
243 extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
244 extern ia64_mv_dma_map_single swiotlb_map_single;
245 extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
246 extern ia64_mv_dma_map_sg swiotlb_map_sg;
247 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
248 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
249 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
250 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
251 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
252 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
253 extern ia64_mv_dma_supported swiotlb_dma_supported;
256 * Define default versions so we can extend machvec for new platforms without having
257 * to update the machvec files for all existing platforms.
259 #ifndef platform_setup
260 # define platform_setup machvec_setup
262 #ifndef platform_cpu_init
263 # define platform_cpu_init machvec_noop
265 #ifndef platform_irq_init
266 # define platform_irq_init machvec_noop
269 #ifndef platform_send_ipi
270 # define platform_send_ipi ia64_send_ipi /* default to architected version */
272 #ifndef platform_timer_interrupt
273 # define platform_timer_interrupt machvec_timer_interrupt
275 #ifndef platform_global_tlb_purge
276 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
278 #ifndef platform_tlb_migrate_finish
279 # define platform_tlb_migrate_finish machvec_noop_mm
281 #ifndef platform_dma_init
282 # define platform_dma_init swiotlb_init
284 #ifndef platform_dma_alloc_coherent
285 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
287 #ifndef platform_dma_free_coherent
288 # define platform_dma_free_coherent swiotlb_free_coherent
290 #ifndef platform_dma_map_single
291 # define platform_dma_map_single swiotlb_map_single
293 #ifndef platform_dma_unmap_single
294 # define platform_dma_unmap_single swiotlb_unmap_single
296 #ifndef platform_dma_map_sg
297 # define platform_dma_map_sg swiotlb_map_sg
299 #ifndef platform_dma_unmap_sg
300 # define platform_dma_unmap_sg swiotlb_unmap_sg
302 #ifndef platform_dma_sync_single_for_cpu
303 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
305 #ifndef platform_dma_sync_sg_for_cpu
306 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
308 #ifndef platform_dma_sync_single_for_device
309 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
311 #ifndef platform_dma_sync_sg_for_device
312 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
314 #ifndef platform_dma_mapping_error
315 # define platform_dma_mapping_error swiotlb_dma_mapping_error
317 #ifndef platform_dma_supported
318 # define platform_dma_supported swiotlb_dma_supported
320 #ifndef platform_irq_desc
321 # define platform_irq_desc __ia64_irq_desc
323 #ifndef platform_irq_to_vector
324 # define platform_irq_to_vector __ia64_irq_to_vector
326 #ifndef platform_local_vector_to_irq
327 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
330 # define platform_inb __ia64_inb
333 # define platform_inw __ia64_inw
336 # define platform_inl __ia64_inl
338 #ifndef platform_outb
339 # define platform_outb __ia64_outb
341 #ifndef platform_outw
342 # define platform_outw __ia64_outw
344 #ifndef platform_outl
345 # define platform_outl __ia64_outl
347 #ifndef platform_readb
348 # define platform_readb __ia64_readb
350 #ifndef platform_readw
351 # define platform_readw __ia64_readw
353 #ifndef platform_readl
354 # define platform_readl __ia64_readl
356 #ifndef platform_readq
357 # define platform_readq __ia64_readq
359 #ifndef platform_readb_relaxed
360 # define platform_readb_relaxed __ia64_readb_relaxed
362 #ifndef platform_readw_relaxed
363 # define platform_readw_relaxed __ia64_readw_relaxed
365 #ifndef platform_readl_relaxed
366 # define platform_readl_relaxed __ia64_readl_relaxed
368 #ifndef platform_readq_relaxed
369 # define platform_readq_relaxed __ia64_readq_relaxed
372 #endif /* _ASM_IA64_MACHVEC_H */