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 unsigned int ia64_mv_local_vector_to_irq (u8
);
32 typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus
*);
33 typedef int ia64_mv_pci_legacy_read_t (struct pci_bus
*, u16 port
, u32
*val
,
35 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus
*, u16 port
, u32 val
,
38 /* DMA-mapping interface: */
39 typedef void ia64_mv_dma_init (void);
40 typedef void *ia64_mv_dma_alloc_coherent (struct device
*, size_t, dma_addr_t
*, gfp_t
);
41 typedef void ia64_mv_dma_free_coherent (struct device
*, size_t, void *, dma_addr_t
);
42 typedef dma_addr_t
ia64_mv_dma_map_single (struct device
*, void *, size_t, int);
43 typedef void ia64_mv_dma_unmap_single (struct device
*, dma_addr_t
, size_t, int);
44 typedef int ia64_mv_dma_map_sg (struct device
*, struct scatterlist
*, int, int);
45 typedef void ia64_mv_dma_unmap_sg (struct device
*, struct scatterlist
*, int, int);
46 typedef void ia64_mv_dma_sync_single_for_cpu (struct device
*, dma_addr_t
, size_t, int);
47 typedef void ia64_mv_dma_sync_sg_for_cpu (struct device
*, struct scatterlist
*, int, int);
48 typedef void ia64_mv_dma_sync_single_for_device (struct device
*, dma_addr_t
, size_t, int);
49 typedef void ia64_mv_dma_sync_sg_for_device (struct device
*, struct scatterlist
*, int, int);
50 typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr
);
51 typedef int ia64_mv_dma_supported (struct device
*, u64
);
54 * WARNING: The legacy I/O space is _architected_. Platforms are
55 * expected to follow this architected model (see Section 10.7 in the
56 * IA-64 Architecture Software Developer's Manual). Unfortunately,
57 * some broken machines do not follow that model, which is why we have
58 * to make the inX/outX operations part of the machine vector.
59 * Platform designers should follow the architected model whenever
62 typedef unsigned int ia64_mv_inb_t (unsigned long);
63 typedef unsigned int ia64_mv_inw_t (unsigned long);
64 typedef unsigned int ia64_mv_inl_t (unsigned long);
65 typedef void ia64_mv_outb_t (unsigned char, unsigned long);
66 typedef void ia64_mv_outw_t (unsigned short, unsigned long);
67 typedef void ia64_mv_outl_t (unsigned int, unsigned long);
68 typedef void ia64_mv_mmiowb_t (void);
69 typedef unsigned char ia64_mv_readb_t (const volatile void __iomem
*);
70 typedef unsigned short ia64_mv_readw_t (const volatile void __iomem
*);
71 typedef unsigned int ia64_mv_readl_t (const volatile void __iomem
*);
72 typedef unsigned long ia64_mv_readq_t (const volatile void __iomem
*);
73 typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem
*);
74 typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem
*);
75 typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem
*);
76 typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem
*);
84 machvec_noop_mm (struct mm_struct
*mm
)
88 extern void machvec_setup (char **);
89 extern void machvec_timer_interrupt (int, void *, struct pt_regs
*);
90 extern void machvec_dma_sync_single (struct device
*, dma_addr_t
, size_t, int);
91 extern void machvec_dma_sync_sg (struct device
*, struct scatterlist
*, int, int);
92 extern void machvec_tlb_migrate_finish (struct mm_struct
*);
94 # if defined (CONFIG_IA64_HP_SIM)
95 # include <asm/machvec_hpsim.h>
96 # elif defined (CONFIG_IA64_DIG)
97 # include <asm/machvec_dig.h>
98 # elif defined (CONFIG_IA64_HP_ZX1)
99 # include <asm/machvec_hpzx1.h>
100 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
101 # include <asm/machvec_hpzx1_swiotlb.h>
102 # elif defined (CONFIG_IA64_SGI_SN2)
103 # include <asm/machvec_sn2.h>
104 # elif defined (CONFIG_IA64_GENERIC)
106 # ifdef MACHVEC_PLATFORM_HEADER
107 # include MACHVEC_PLATFORM_HEADER
109 # define platform_name ia64_mv.name
110 # define platform_setup ia64_mv.setup
111 # define platform_cpu_init ia64_mv.cpu_init
112 # define platform_irq_init ia64_mv.irq_init
113 # define platform_send_ipi ia64_mv.send_ipi
114 # define platform_timer_interrupt ia64_mv.timer_interrupt
115 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
116 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
117 # define platform_dma_init ia64_mv.dma_init
118 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
119 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
120 # define platform_dma_map_single ia64_mv.dma_map_single
121 # define platform_dma_unmap_single ia64_mv.dma_unmap_single
122 # define platform_dma_map_sg ia64_mv.dma_map_sg
123 # define platform_dma_unmap_sg ia64_mv.dma_unmap_sg
124 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
125 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
126 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
127 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
128 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
129 # define platform_dma_supported ia64_mv.dma_supported
130 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
131 # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
132 # define platform_pci_legacy_read ia64_mv.pci_legacy_read
133 # define platform_pci_legacy_write ia64_mv.pci_legacy_write
134 # define platform_inb ia64_mv.inb
135 # define platform_inw ia64_mv.inw
136 # define platform_inl ia64_mv.inl
137 # define platform_outb ia64_mv.outb
138 # define platform_outw ia64_mv.outw
139 # define platform_outl ia64_mv.outl
140 # define platform_mmiowb ia64_mv.mmiowb
141 # define platform_readb ia64_mv.readb
142 # define platform_readw ia64_mv.readw
143 # define platform_readl ia64_mv.readl
144 # define platform_readq ia64_mv.readq
145 # define platform_readb_relaxed ia64_mv.readb_relaxed
146 # define platform_readw_relaxed ia64_mv.readw_relaxed
147 # define platform_readl_relaxed ia64_mv.readl_relaxed
148 # define platform_readq_relaxed ia64_mv.readq_relaxed
151 /* __attribute__((__aligned__(16))) is required to make size of the
152 * structure multiple of 16 bytes.
153 * This will fillup the holes created because of section 3.3.1 in
154 * Software Conventions guide.
156 struct ia64_machine_vector
{
158 ia64_mv_setup_t
*setup
;
159 ia64_mv_cpu_init_t
*cpu_init
;
160 ia64_mv_irq_init_t
*irq_init
;
161 ia64_mv_send_ipi_t
*send_ipi
;
162 ia64_mv_timer_interrupt_t
*timer_interrupt
;
163 ia64_mv_global_tlb_purge_t
*global_tlb_purge
;
164 ia64_mv_tlb_migrate_finish_t
*tlb_migrate_finish
;
165 ia64_mv_dma_init
*dma_init
;
166 ia64_mv_dma_alloc_coherent
*dma_alloc_coherent
;
167 ia64_mv_dma_free_coherent
*dma_free_coherent
;
168 ia64_mv_dma_map_single
*dma_map_single
;
169 ia64_mv_dma_unmap_single
*dma_unmap_single
;
170 ia64_mv_dma_map_sg
*dma_map_sg
;
171 ia64_mv_dma_unmap_sg
*dma_unmap_sg
;
172 ia64_mv_dma_sync_single_for_cpu
*dma_sync_single_for_cpu
;
173 ia64_mv_dma_sync_sg_for_cpu
*dma_sync_sg_for_cpu
;
174 ia64_mv_dma_sync_single_for_device
*dma_sync_single_for_device
;
175 ia64_mv_dma_sync_sg_for_device
*dma_sync_sg_for_device
;
176 ia64_mv_dma_mapping_error
*dma_mapping_error
;
177 ia64_mv_dma_supported
*dma_supported
;
178 ia64_mv_local_vector_to_irq
*local_vector_to_irq
;
179 ia64_mv_pci_get_legacy_mem_t
*pci_get_legacy_mem
;
180 ia64_mv_pci_legacy_read_t
*pci_legacy_read
;
181 ia64_mv_pci_legacy_write_t
*pci_legacy_write
;
185 ia64_mv_outb_t
*outb
;
186 ia64_mv_outw_t
*outw
;
187 ia64_mv_outl_t
*outl
;
188 ia64_mv_mmiowb_t
*mmiowb
;
189 ia64_mv_readb_t
*readb
;
190 ia64_mv_readw_t
*readw
;
191 ia64_mv_readl_t
*readl
;
192 ia64_mv_readq_t
*readq
;
193 ia64_mv_readb_relaxed_t
*readb_relaxed
;
194 ia64_mv_readw_relaxed_t
*readw_relaxed
;
195 ia64_mv_readl_relaxed_t
*readl_relaxed
;
196 ia64_mv_readq_relaxed_t
*readq_relaxed
;
197 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
199 #define MACHVEC_INIT(name) \
206 platform_timer_interrupt, \
207 platform_global_tlb_purge, \
208 platform_tlb_migrate_finish, \
210 platform_dma_alloc_coherent, \
211 platform_dma_free_coherent, \
212 platform_dma_map_single, \
213 platform_dma_unmap_single, \
214 platform_dma_map_sg, \
215 platform_dma_unmap_sg, \
216 platform_dma_sync_single_for_cpu, \
217 platform_dma_sync_sg_for_cpu, \
218 platform_dma_sync_single_for_device, \
219 platform_dma_sync_sg_for_device, \
220 platform_dma_mapping_error, \
221 platform_dma_supported, \
222 platform_local_vector_to_irq, \
223 platform_pci_get_legacy_mem, \
224 platform_pci_legacy_read, \
225 platform_pci_legacy_write, \
237 platform_readb_relaxed, \
238 platform_readw_relaxed, \
239 platform_readl_relaxed, \
240 platform_readq_relaxed, \
243 extern struct ia64_machine_vector ia64_mv
;
244 extern void machvec_init (const char *name
);
247 # error Unknown configuration. Update asm-ia64/machvec.h.
248 # endif /* CONFIG_IA64_GENERIC */
251 * Declare default routines which aren't declared anywhere else:
253 extern ia64_mv_dma_init swiotlb_init
;
254 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent
;
255 extern ia64_mv_dma_free_coherent swiotlb_free_coherent
;
256 extern ia64_mv_dma_map_single swiotlb_map_single
;
257 extern ia64_mv_dma_unmap_single swiotlb_unmap_single
;
258 extern ia64_mv_dma_map_sg swiotlb_map_sg
;
259 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg
;
260 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
;
261 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
;
262 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device
;
263 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device
;
264 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error
;
265 extern ia64_mv_dma_supported swiotlb_dma_supported
;
268 * Define default versions so we can extend machvec for new platforms without having
269 * to update the machvec files for all existing platforms.
271 #ifndef platform_setup
272 # define platform_setup machvec_setup
274 #ifndef platform_cpu_init
275 # define platform_cpu_init machvec_noop
277 #ifndef platform_irq_init
278 # define platform_irq_init machvec_noop
281 #ifndef platform_send_ipi
282 # define platform_send_ipi ia64_send_ipi /* default to architected version */
284 #ifndef platform_timer_interrupt
285 # define platform_timer_interrupt machvec_timer_interrupt
287 #ifndef platform_global_tlb_purge
288 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
290 #ifndef platform_tlb_migrate_finish
291 # define platform_tlb_migrate_finish machvec_noop_mm
293 #ifndef platform_dma_init
294 # define platform_dma_init swiotlb_init
296 #ifndef platform_dma_alloc_coherent
297 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
299 #ifndef platform_dma_free_coherent
300 # define platform_dma_free_coherent swiotlb_free_coherent
302 #ifndef platform_dma_map_single
303 # define platform_dma_map_single swiotlb_map_single
305 #ifndef platform_dma_unmap_single
306 # define platform_dma_unmap_single swiotlb_unmap_single
308 #ifndef platform_dma_map_sg
309 # define platform_dma_map_sg swiotlb_map_sg
311 #ifndef platform_dma_unmap_sg
312 # define platform_dma_unmap_sg swiotlb_unmap_sg
314 #ifndef platform_dma_sync_single_for_cpu
315 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
317 #ifndef platform_dma_sync_sg_for_cpu
318 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
320 #ifndef platform_dma_sync_single_for_device
321 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
323 #ifndef platform_dma_sync_sg_for_device
324 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
326 #ifndef platform_dma_mapping_error
327 # define platform_dma_mapping_error swiotlb_dma_mapping_error
329 #ifndef platform_dma_supported
330 # define platform_dma_supported swiotlb_dma_supported
332 #ifndef platform_local_vector_to_irq
333 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
335 #ifndef platform_pci_get_legacy_mem
336 # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
338 #ifndef platform_pci_legacy_read
339 # define platform_pci_legacy_read ia64_pci_legacy_read
341 #ifndef platform_pci_legacy_write
342 # define platform_pci_legacy_write ia64_pci_legacy_write
345 # define platform_inb __ia64_inb
348 # define platform_inw __ia64_inw
351 # define platform_inl __ia64_inl
353 #ifndef platform_outb
354 # define platform_outb __ia64_outb
356 #ifndef platform_outw
357 # define platform_outw __ia64_outw
359 #ifndef platform_outl
360 # define platform_outl __ia64_outl
362 #ifndef platform_mmiowb
363 # define platform_mmiowb __ia64_mmiowb
365 #ifndef platform_readb
366 # define platform_readb __ia64_readb
368 #ifndef platform_readw
369 # define platform_readw __ia64_readw
371 #ifndef platform_readl
372 # define platform_readl __ia64_readl
374 #ifndef platform_readq
375 # define platform_readq __ia64_readq
377 #ifndef platform_readb_relaxed
378 # define platform_readb_relaxed __ia64_readb_relaxed
380 #ifndef platform_readw_relaxed
381 # define platform_readw_relaxed __ia64_readw_relaxed
383 #ifndef platform_readl_relaxed
384 # define platform_readl_relaxed __ia64_readl_relaxed
386 #ifndef platform_readq_relaxed
387 # define platform_readq_relaxed __ia64_readq_relaxed
390 #endif /* _ASM_IA64_MACHVEC_H */