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/types.h>
15 /* forward declarations: */
27 typedef void ia64_mv_setup_t (char **);
28 typedef void ia64_mv_cpu_init_t (void);
29 typedef void ia64_mv_irq_init_t (void);
30 typedef void ia64_mv_send_ipi_t (int, int, int, int);
31 typedef void ia64_mv_timer_interrupt_t (int, void *);
32 typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
33 typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
34 typedef u8 ia64_mv_irq_to_vector (int);
35 typedef unsigned int ia64_mv_local_vector_to_irq (u8);
36 typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
37 typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
39 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
41 typedef void ia64_mv_migrate_t(struct task_struct * task);
42 typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
43 typedef void ia64_mv_kernel_launch_event_t(void);
45 /* DMA-mapping interface: */
46 typedef void ia64_mv_dma_init (void);
47 typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, gfp_t);
48 typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
49 typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
50 typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
51 typedef int ia64_mv_dma_map_sg (struct device *, struct scatterlist *, int, int);
52 typedef void ia64_mv_dma_unmap_sg (struct device *, struct scatterlist *, int, int);
53 typedef void ia64_mv_dma_sync_single_for_cpu (struct device *, dma_addr_t, size_t, int);
54 typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int);
55 typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int);
56 typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int);
57 typedef int ia64_mv_dma_mapping_error(struct device *, dma_addr_t dma_addr);
58 typedef int ia64_mv_dma_supported (struct device *, u64);
60 typedef dma_addr_t ia64_mv_dma_map_single_attrs (struct device *, void *, size_t, int, struct dma_attrs *);
61 typedef void ia64_mv_dma_unmap_single_attrs (struct device *, dma_addr_t, size_t, int, struct dma_attrs *);
62 typedef int ia64_mv_dma_map_sg_attrs (struct device *, struct scatterlist *, int, int, struct dma_attrs *);
63 typedef void ia64_mv_dma_unmap_sg_attrs (struct device *, struct scatterlist *, int, int, struct dma_attrs *);
66 * WARNING: The legacy I/O space is _architected_. Platforms are
67 * expected to follow this architected model (see Section 10.7 in the
68 * IA-64 Architecture Software Developer's Manual). Unfortunately,
69 * some broken machines do not follow that model, which is why we have
70 * to make the inX/outX operations part of the machine vector.
71 * Platform designers should follow the architected model whenever
74 typedef unsigned int ia64_mv_inb_t (unsigned long);
75 typedef unsigned int ia64_mv_inw_t (unsigned long);
76 typedef unsigned int ia64_mv_inl_t (unsigned long);
77 typedef void ia64_mv_outb_t (unsigned char, unsigned long);
78 typedef void ia64_mv_outw_t (unsigned short, unsigned long);
79 typedef void ia64_mv_outl_t (unsigned int, unsigned long);
80 typedef void ia64_mv_mmiowb_t (void);
81 typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
82 typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
83 typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
84 typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
85 typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
86 typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
87 typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
88 typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
90 typedef int ia64_mv_setup_msi_irq_t (struct pci_dev *pdev, struct msi_desc *);
91 typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
99 machvec_noop_mm (struct mm_struct *mm)
104 machvec_noop_task (struct task_struct *task)
109 machvec_noop_bus (struct pci_bus *bus)
113 extern void machvec_setup (char **);
114 extern void machvec_timer_interrupt (int, void *);
115 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
116 extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
117 extern void machvec_tlb_migrate_finish (struct mm_struct *);
119 # if defined (CONFIG_IA64_HP_SIM)
120 # include <asm/machvec_hpsim.h>
121 # elif defined (CONFIG_IA64_DIG)
122 # include <asm/machvec_dig.h>
123 # elif defined(CONFIG_IA64_DIG_VTD)
124 # include <asm/machvec_dig_vtd.h>
125 # elif defined (CONFIG_IA64_HP_ZX1)
126 # include <asm/machvec_hpzx1.h>
127 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
128 # include <asm/machvec_hpzx1_swiotlb.h>
129 # elif defined (CONFIG_IA64_SGI_SN2)
130 # include <asm/machvec_sn2.h>
131 # elif defined (CONFIG_IA64_SGI_UV)
132 # include <asm/machvec_uv.h>
133 # elif defined (CONFIG_IA64_XEN_GUEST)
134 # include <asm/machvec_xen.h>
135 # elif defined (CONFIG_IA64_GENERIC)
137 # ifdef MACHVEC_PLATFORM_HEADER
138 # include MACHVEC_PLATFORM_HEADER
140 # define platform_name ia64_mv.name
141 # define platform_setup ia64_mv.setup
142 # define platform_cpu_init ia64_mv.cpu_init
143 # define platform_irq_init ia64_mv.irq_init
144 # define platform_send_ipi ia64_mv.send_ipi
145 # define platform_timer_interrupt ia64_mv.timer_interrupt
146 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
147 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
148 # define platform_dma_init ia64_mv.dma_init
149 # define platform_dma_alloc_coherent ia64_mv.dma_alloc_coherent
150 # define platform_dma_free_coherent ia64_mv.dma_free_coherent
151 # define platform_dma_map_single_attrs ia64_mv.dma_map_single_attrs
152 # define platform_dma_unmap_single_attrs ia64_mv.dma_unmap_single_attrs
153 # define platform_dma_map_sg_attrs ia64_mv.dma_map_sg_attrs
154 # define platform_dma_unmap_sg_attrs ia64_mv.dma_unmap_sg_attrs
155 # define platform_dma_sync_single_for_cpu ia64_mv.dma_sync_single_for_cpu
156 # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu
157 # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device
158 # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
159 # define platform_dma_mapping_error ia64_mv.dma_mapping_error
160 # define platform_dma_supported ia64_mv.dma_supported
161 # define platform_irq_to_vector ia64_mv.irq_to_vector
162 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
163 # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
164 # define platform_pci_legacy_read ia64_mv.pci_legacy_read
165 # define platform_pci_legacy_write ia64_mv.pci_legacy_write
166 # define platform_inb ia64_mv.inb
167 # define platform_inw ia64_mv.inw
168 # define platform_inl ia64_mv.inl
169 # define platform_outb ia64_mv.outb
170 # define platform_outw ia64_mv.outw
171 # define platform_outl ia64_mv.outl
172 # define platform_mmiowb ia64_mv.mmiowb
173 # define platform_readb ia64_mv.readb
174 # define platform_readw ia64_mv.readw
175 # define platform_readl ia64_mv.readl
176 # define platform_readq ia64_mv.readq
177 # define platform_readb_relaxed ia64_mv.readb_relaxed
178 # define platform_readw_relaxed ia64_mv.readw_relaxed
179 # define platform_readl_relaxed ia64_mv.readl_relaxed
180 # define platform_readq_relaxed ia64_mv.readq_relaxed
181 # define platform_migrate ia64_mv.migrate
182 # define platform_setup_msi_irq ia64_mv.setup_msi_irq
183 # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
184 # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
185 # define platform_kernel_launch_event ia64_mv.kernel_launch_event
188 /* __attribute__((__aligned__(16))) is required to make size of the
189 * structure multiple of 16 bytes.
190 * This will fillup the holes created because of section 3.3.1 in
191 * Software Conventions guide.
193 struct ia64_machine_vector {
195 ia64_mv_setup_t *setup;
196 ia64_mv_cpu_init_t *cpu_init;
197 ia64_mv_irq_init_t *irq_init;
198 ia64_mv_send_ipi_t *send_ipi;
199 ia64_mv_timer_interrupt_t *timer_interrupt;
200 ia64_mv_global_tlb_purge_t *global_tlb_purge;
201 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
202 ia64_mv_dma_init *dma_init;
203 ia64_mv_dma_alloc_coherent *dma_alloc_coherent;
204 ia64_mv_dma_free_coherent *dma_free_coherent;
205 ia64_mv_dma_map_single_attrs *dma_map_single_attrs;
206 ia64_mv_dma_unmap_single_attrs *dma_unmap_single_attrs;
207 ia64_mv_dma_map_sg_attrs *dma_map_sg_attrs;
208 ia64_mv_dma_unmap_sg_attrs *dma_unmap_sg_attrs;
209 ia64_mv_dma_sync_single_for_cpu *dma_sync_single_for_cpu;
210 ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu;
211 ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device;
212 ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
213 ia64_mv_dma_mapping_error *dma_mapping_error;
214 ia64_mv_dma_supported *dma_supported;
215 ia64_mv_irq_to_vector *irq_to_vector;
216 ia64_mv_local_vector_to_irq *local_vector_to_irq;
217 ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
218 ia64_mv_pci_legacy_read_t *pci_legacy_read;
219 ia64_mv_pci_legacy_write_t *pci_legacy_write;
223 ia64_mv_outb_t *outb;
224 ia64_mv_outw_t *outw;
225 ia64_mv_outl_t *outl;
226 ia64_mv_mmiowb_t *mmiowb;
227 ia64_mv_readb_t *readb;
228 ia64_mv_readw_t *readw;
229 ia64_mv_readl_t *readl;
230 ia64_mv_readq_t *readq;
231 ia64_mv_readb_relaxed_t *readb_relaxed;
232 ia64_mv_readw_relaxed_t *readw_relaxed;
233 ia64_mv_readl_relaxed_t *readl_relaxed;
234 ia64_mv_readq_relaxed_t *readq_relaxed;
235 ia64_mv_migrate_t *migrate;
236 ia64_mv_setup_msi_irq_t *setup_msi_irq;
237 ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
238 ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
239 ia64_mv_kernel_launch_event_t *kernel_launch_event;
240 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
242 #define MACHVEC_INIT(name) \
249 platform_timer_interrupt, \
250 platform_global_tlb_purge, \
251 platform_tlb_migrate_finish, \
253 platform_dma_alloc_coherent, \
254 platform_dma_free_coherent, \
255 platform_dma_map_single_attrs, \
256 platform_dma_unmap_single_attrs, \
257 platform_dma_map_sg_attrs, \
258 platform_dma_unmap_sg_attrs, \
259 platform_dma_sync_single_for_cpu, \
260 platform_dma_sync_sg_for_cpu, \
261 platform_dma_sync_single_for_device, \
262 platform_dma_sync_sg_for_device, \
263 platform_dma_mapping_error, \
264 platform_dma_supported, \
265 platform_irq_to_vector, \
266 platform_local_vector_to_irq, \
267 platform_pci_get_legacy_mem, \
268 platform_pci_legacy_read, \
269 platform_pci_legacy_write, \
281 platform_readb_relaxed, \
282 platform_readw_relaxed, \
283 platform_readl_relaxed, \
284 platform_readq_relaxed, \
286 platform_setup_msi_irq, \
287 platform_teardown_msi_irq, \
288 platform_pci_fixup_bus, \
289 platform_kernel_launch_event \
292 extern struct ia64_machine_vector ia64_mv;
293 extern void machvec_init (const char *name);
294 extern void machvec_init_from_cmdline(const char *cmdline);
297 # error Unknown configuration. Update arch/ia64/include/asm/machvec.h.
298 # endif /* CONFIG_IA64_GENERIC */
301 * Declare default routines which aren't declared anywhere else:
303 extern ia64_mv_dma_init swiotlb_init;
304 extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent;
305 extern ia64_mv_dma_free_coherent swiotlb_free_coherent;
306 extern ia64_mv_dma_map_single swiotlb_map_single;
307 extern ia64_mv_dma_map_single_attrs swiotlb_map_single_attrs;
308 extern ia64_mv_dma_unmap_single swiotlb_unmap_single;
309 extern ia64_mv_dma_unmap_single_attrs swiotlb_unmap_single_attrs;
310 extern ia64_mv_dma_map_sg swiotlb_map_sg;
311 extern ia64_mv_dma_map_sg_attrs swiotlb_map_sg_attrs;
312 extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg;
313 extern ia64_mv_dma_unmap_sg_attrs swiotlb_unmap_sg_attrs;
314 extern ia64_mv_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu;
315 extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu;
316 extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
317 extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device;
318 extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error;
319 extern ia64_mv_dma_supported swiotlb_dma_supported;
322 * Define default versions so we can extend machvec for new platforms without having
323 * to update the machvec files for all existing platforms.
325 #ifndef platform_setup
326 # define platform_setup machvec_setup
328 #ifndef platform_cpu_init
329 # define platform_cpu_init machvec_noop
331 #ifndef platform_irq_init
332 # define platform_irq_init machvec_noop
335 #ifndef platform_send_ipi
336 # define platform_send_ipi ia64_send_ipi /* default to architected version */
338 #ifndef platform_timer_interrupt
339 # define platform_timer_interrupt machvec_timer_interrupt
341 #ifndef platform_global_tlb_purge
342 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */
344 #ifndef platform_tlb_migrate_finish
345 # define platform_tlb_migrate_finish machvec_noop_mm
347 #ifndef platform_kernel_launch_event
348 # define platform_kernel_launch_event machvec_noop
350 #ifndef platform_dma_init
351 # define platform_dma_init swiotlb_init
353 #ifndef platform_dma_alloc_coherent
354 # define platform_dma_alloc_coherent swiotlb_alloc_coherent
356 #ifndef platform_dma_free_coherent
357 # define platform_dma_free_coherent swiotlb_free_coherent
359 #ifndef platform_dma_map_single_attrs
360 # define platform_dma_map_single_attrs swiotlb_map_single_attrs
362 #ifndef platform_dma_unmap_single_attrs
363 # define platform_dma_unmap_single_attrs swiotlb_unmap_single_attrs
365 #ifndef platform_dma_map_sg_attrs
366 # define platform_dma_map_sg_attrs swiotlb_map_sg_attrs
368 #ifndef platform_dma_unmap_sg_attrs
369 # define platform_dma_unmap_sg_attrs swiotlb_unmap_sg_attrs
371 #ifndef platform_dma_sync_single_for_cpu
372 # define platform_dma_sync_single_for_cpu swiotlb_sync_single_for_cpu
374 #ifndef platform_dma_sync_sg_for_cpu
375 # define platform_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu
377 #ifndef platform_dma_sync_single_for_device
378 # define platform_dma_sync_single_for_device swiotlb_sync_single_for_device
380 #ifndef platform_dma_sync_sg_for_device
381 # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device
383 #ifndef platform_dma_mapping_error
384 # define platform_dma_mapping_error swiotlb_dma_mapping_error
386 #ifndef platform_dma_supported
387 # define platform_dma_supported swiotlb_dma_supported
389 #ifndef platform_irq_to_vector
390 # define platform_irq_to_vector __ia64_irq_to_vector
392 #ifndef platform_local_vector_to_irq
393 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
395 #ifndef platform_pci_get_legacy_mem
396 # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
398 #ifndef platform_pci_legacy_read
399 # define platform_pci_legacy_read ia64_pci_legacy_read
400 extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
402 #ifndef platform_pci_legacy_write
403 # define platform_pci_legacy_write ia64_pci_legacy_write
404 extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
407 # define platform_inb __ia64_inb
410 # define platform_inw __ia64_inw
413 # define platform_inl __ia64_inl
415 #ifndef platform_outb
416 # define platform_outb __ia64_outb
418 #ifndef platform_outw
419 # define platform_outw __ia64_outw
421 #ifndef platform_outl
422 # define platform_outl __ia64_outl
424 #ifndef platform_mmiowb
425 # define platform_mmiowb __ia64_mmiowb
427 #ifndef platform_readb
428 # define platform_readb __ia64_readb
430 #ifndef platform_readw
431 # define platform_readw __ia64_readw
433 #ifndef platform_readl
434 # define platform_readl __ia64_readl
436 #ifndef platform_readq
437 # define platform_readq __ia64_readq
439 #ifndef platform_readb_relaxed
440 # define platform_readb_relaxed __ia64_readb_relaxed
442 #ifndef platform_readw_relaxed
443 # define platform_readw_relaxed __ia64_readw_relaxed
445 #ifndef platform_readl_relaxed
446 # define platform_readl_relaxed __ia64_readl_relaxed
448 #ifndef platform_readq_relaxed
449 # define platform_readq_relaxed __ia64_readq_relaxed
451 #ifndef platform_migrate
452 # define platform_migrate machvec_noop_task
454 #ifndef platform_setup_msi_irq
455 # define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL)
457 #ifndef platform_teardown_msi_irq
458 # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL)
460 #ifndef platform_pci_fixup_bus
461 # define platform_pci_fixup_bus machvec_noop_bus
464 #endif /* _ASM_IA64_MACHVEC_H */