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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * Machine vector for IA-64. | |
4 | * | |
5 | * Copyright (C) 1999 Silicon Graphics, Inc. | |
6 | * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com> | |
7 | * Copyright (C) Vijay Chander <vijay@engr.sgi.com> | |
8 | * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co. | |
9 | * David Mosberger-Tang <davidm@hpl.hp.com> | |
10 | */ | |
11 | #ifndef _ASM_IA64_MACHVEC_H | |
12 | #define _ASM_IA64_MACHVEC_H | |
13 | ||
1da177e4 LT |
14 | #include <linux/types.h> |
15 | ||
16 | /* forward declarations: */ | |
17 | struct device; | |
18 | struct pt_regs; | |
19 | struct scatterlist; | |
20 | struct page; | |
21 | struct mm_struct; | |
22 | struct pci_bus; | |
e08e6c52 | 23 | struct task_struct; |
3b7d1921 | 24 | struct pci_dev; |
f7feaca7 | 25 | struct msi_desc; |
1da177e4 LT |
26 | |
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); | |
7d12e780 | 31 | typedef void ia64_mv_timer_interrupt_t (int, void *); |
c1902aae | 32 | typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long); |
1115200a | 33 | typedef u8 ia64_mv_irq_to_vector (int); |
1da177e4 LT |
34 | typedef unsigned int ia64_mv_local_vector_to_irq (u8); |
35 | typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *); | |
36 | typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val, | |
37 | u8 size); | |
38 | typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val, | |
39 | u8 size); | |
e08e6c52 | 40 | typedef void ia64_mv_migrate_t(struct task_struct * task); |
8ea6091f | 41 | typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *); |
a7956113 | 42 | typedef void ia64_mv_kernel_launch_event_t(void); |
1da177e4 LT |
43 | |
44 | /* DMA-mapping interface: */ | |
45 | typedef void ia64_mv_dma_init (void); | |
5299709d | 46 | typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *); |
309df0c5 | 47 | |
1da177e4 LT |
48 | /* |
49 | * WARNING: The legacy I/O space is _architected_. Platforms are | |
50 | * expected to follow this architected model (see Section 10.7 in the | |
51 | * IA-64 Architecture Software Developer's Manual). Unfortunately, | |
52 | * some broken machines do not follow that model, which is why we have | |
53 | * to make the inX/outX operations part of the machine vector. | |
54 | * Platform designers should follow the architected model whenever | |
55 | * possible. | |
56 | */ | |
57 | typedef unsigned int ia64_mv_inb_t (unsigned long); | |
58 | typedef unsigned int ia64_mv_inw_t (unsigned long); | |
59 | typedef unsigned int ia64_mv_inl_t (unsigned long); | |
60 | typedef void ia64_mv_outb_t (unsigned char, unsigned long); | |
61 | typedef void ia64_mv_outw_t (unsigned short, unsigned long); | |
62 | typedef void ia64_mv_outl_t (unsigned int, unsigned long); | |
63 | typedef void ia64_mv_mmiowb_t (void); | |
64 | typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *); | |
65 | typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *); | |
66 | typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *); | |
67 | typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *); | |
68 | typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *); | |
69 | typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *); | |
70 | typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *); | |
71 | typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *); | |
3b7d1921 | 72 | |
f7feaca7 | 73 | typedef int ia64_mv_setup_msi_irq_t (struct pci_dev *pdev, struct msi_desc *); |
3b7d1921 | 74 | typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq); |
1da177e4 LT |
75 | |
76 | static inline void | |
77 | machvec_noop (void) | |
78 | { | |
79 | } | |
80 | ||
e08e6c52 BC |
81 | static inline void |
82 | machvec_noop_task (struct task_struct *task) | |
83 | { | |
84 | } | |
85 | ||
8ea6091f JK |
86 | static inline void |
87 | machvec_noop_bus (struct pci_bus *bus) | |
88 | { | |
89 | } | |
90 | ||
1da177e4 | 91 | extern void machvec_setup (char **); |
7d12e780 | 92 | extern void machvec_timer_interrupt (int, void *); |
1da177e4 LT |
93 | |
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> | |
62fdd767 FY |
98 | # elif defined(CONFIG_IA64_DIG_VTD) |
99 | # include <asm/machvec_dig_vtd.h> | |
1da177e4 LT |
100 | # elif defined (CONFIG_IA64_HP_ZX1) |
101 | # include <asm/machvec_hpzx1.h> | |
102 | # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) | |
103 | # include <asm/machvec_hpzx1_swiotlb.h> | |
104 | # elif defined (CONFIG_IA64_SGI_SN2) | |
105 | # include <asm/machvec_sn2.h> | |
22246614 JS |
106 | # elif defined (CONFIG_IA64_SGI_UV) |
107 | # include <asm/machvec_uv.h> | |
1da177e4 LT |
108 | # elif defined (CONFIG_IA64_GENERIC) |
109 | ||
110 | # ifdef MACHVEC_PLATFORM_HEADER | |
111 | # include MACHVEC_PLATFORM_HEADER | |
112 | # else | |
f9445a38 | 113 | # define ia64_platform_name ia64_mv.name |
1da177e4 LT |
114 | # define platform_setup ia64_mv.setup |
115 | # define platform_cpu_init ia64_mv.cpu_init | |
116 | # define platform_irq_init ia64_mv.irq_init | |
117 | # define platform_send_ipi ia64_mv.send_ipi | |
118 | # define platform_timer_interrupt ia64_mv.timer_interrupt | |
119 | # define platform_global_tlb_purge ia64_mv.global_tlb_purge | |
1da177e4 | 120 | # define platform_dma_init ia64_mv.dma_init |
c190ab0b | 121 | # define platform_dma_get_ops ia64_mv.dma_get_ops |
1115200a | 122 | # define platform_irq_to_vector ia64_mv.irq_to_vector |
1da177e4 LT |
123 | # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq |
124 | # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem | |
125 | # define platform_pci_legacy_read ia64_mv.pci_legacy_read | |
126 | # define platform_pci_legacy_write ia64_mv.pci_legacy_write | |
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_mmiowb ia64_mv.mmiowb | |
134 | # define platform_readb ia64_mv.readb | |
135 | # define platform_readw ia64_mv.readw | |
136 | # define platform_readl ia64_mv.readl | |
137 | # define platform_readq ia64_mv.readq | |
138 | # define platform_readb_relaxed ia64_mv.readb_relaxed | |
139 | # define platform_readw_relaxed ia64_mv.readw_relaxed | |
140 | # define platform_readl_relaxed ia64_mv.readl_relaxed | |
141 | # define platform_readq_relaxed ia64_mv.readq_relaxed | |
e08e6c52 | 142 | # define platform_migrate ia64_mv.migrate |
3b7d1921 EB |
143 | # define platform_setup_msi_irq ia64_mv.setup_msi_irq |
144 | # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq | |
8ea6091f | 145 | # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus |
6a3d0390 | 146 | # define platform_kernel_launch_event ia64_mv.kernel_launch_event |
1da177e4 LT |
147 | # endif |
148 | ||
149 | /* __attribute__((__aligned__(16))) is required to make size of the | |
150 | * structure multiple of 16 bytes. | |
151 | * This will fillup the holes created because of section 3.3.1 in | |
152 | * Software Conventions guide. | |
153 | */ | |
154 | struct ia64_machine_vector { | |
155 | const char *name; | |
156 | ia64_mv_setup_t *setup; | |
157 | ia64_mv_cpu_init_t *cpu_init; | |
158 | ia64_mv_irq_init_t *irq_init; | |
159 | ia64_mv_send_ipi_t *send_ipi; | |
160 | ia64_mv_timer_interrupt_t *timer_interrupt; | |
161 | ia64_mv_global_tlb_purge_t *global_tlb_purge; | |
1da177e4 | 162 | ia64_mv_dma_init *dma_init; |
c190ab0b | 163 | ia64_mv_dma_get_ops *dma_get_ops; |
1115200a | 164 | ia64_mv_irq_to_vector *irq_to_vector; |
1da177e4 LT |
165 | ia64_mv_local_vector_to_irq *local_vector_to_irq; |
166 | ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem; | |
167 | ia64_mv_pci_legacy_read_t *pci_legacy_read; | |
168 | ia64_mv_pci_legacy_write_t *pci_legacy_write; | |
169 | ia64_mv_inb_t *inb; | |
170 | ia64_mv_inw_t *inw; | |
171 | ia64_mv_inl_t *inl; | |
172 | ia64_mv_outb_t *outb; | |
173 | ia64_mv_outw_t *outw; | |
174 | ia64_mv_outl_t *outl; | |
175 | ia64_mv_mmiowb_t *mmiowb; | |
176 | ia64_mv_readb_t *readb; | |
177 | ia64_mv_readw_t *readw; | |
178 | ia64_mv_readl_t *readl; | |
179 | ia64_mv_readq_t *readq; | |
180 | ia64_mv_readb_relaxed_t *readb_relaxed; | |
181 | ia64_mv_readw_relaxed_t *readw_relaxed; | |
182 | ia64_mv_readl_relaxed_t *readl_relaxed; | |
183 | ia64_mv_readq_relaxed_t *readq_relaxed; | |
e08e6c52 | 184 | ia64_mv_migrate_t *migrate; |
3b7d1921 EB |
185 | ia64_mv_setup_msi_irq_t *setup_msi_irq; |
186 | ia64_mv_teardown_msi_irq_t *teardown_msi_irq; | |
8ea6091f | 187 | ia64_mv_pci_fixup_bus_t *pci_fixup_bus; |
a7956113 | 188 | ia64_mv_kernel_launch_event_t *kernel_launch_event; |
1da177e4 LT |
189 | } __attribute__((__aligned__(16))); /* align attrib? see above comment */ |
190 | ||
191 | #define MACHVEC_INIT(name) \ | |
192 | { \ | |
193 | #name, \ | |
194 | platform_setup, \ | |
195 | platform_cpu_init, \ | |
196 | platform_irq_init, \ | |
197 | platform_send_ipi, \ | |
198 | platform_timer_interrupt, \ | |
199 | platform_global_tlb_purge, \ | |
1da177e4 | 200 | platform_dma_init, \ |
c190ab0b | 201 | platform_dma_get_ops, \ |
1115200a | 202 | platform_irq_to_vector, \ |
1da177e4 LT |
203 | platform_local_vector_to_irq, \ |
204 | platform_pci_get_legacy_mem, \ | |
205 | platform_pci_legacy_read, \ | |
206 | platform_pci_legacy_write, \ | |
207 | platform_inb, \ | |
208 | platform_inw, \ | |
209 | platform_inl, \ | |
210 | platform_outb, \ | |
211 | platform_outw, \ | |
212 | platform_outl, \ | |
213 | platform_mmiowb, \ | |
214 | platform_readb, \ | |
215 | platform_readw, \ | |
216 | platform_readl, \ | |
217 | platform_readq, \ | |
218 | platform_readb_relaxed, \ | |
219 | platform_readw_relaxed, \ | |
220 | platform_readl_relaxed, \ | |
221 | platform_readq_relaxed, \ | |
e08e6c52 | 222 | platform_migrate, \ |
3b7d1921 EB |
223 | platform_setup_msi_irq, \ |
224 | platform_teardown_msi_irq, \ | |
8ea6091f | 225 | platform_pci_fixup_bus, \ |
6a3d0390 | 226 | platform_kernel_launch_event \ |
1da177e4 LT |
227 | } |
228 | ||
229 | extern struct ia64_machine_vector ia64_mv; | |
230 | extern void machvec_init (const char *name); | |
a07ee862 | 231 | extern void machvec_init_from_cmdline(const char *cmdline); |
1da177e4 LT |
232 | |
233 | # else | |
7f30491c | 234 | # error Unknown configuration. Update arch/ia64/include/asm/machvec.h. |
1da177e4 LT |
235 | # endif /* CONFIG_IA64_GENERIC */ |
236 | ||
4d9b977c | 237 | extern void swiotlb_dma_init(void); |
5299709d | 238 | extern const struct dma_map_ops *dma_get_ops(struct device *); |
4d9b977c | 239 | |
1da177e4 LT |
240 | /* |
241 | * Define default versions so we can extend machvec for new platforms without having | |
242 | * to update the machvec files for all existing platforms. | |
243 | */ | |
244 | #ifndef platform_setup | |
245 | # define platform_setup machvec_setup | |
246 | #endif | |
247 | #ifndef platform_cpu_init | |
248 | # define platform_cpu_init machvec_noop | |
249 | #endif | |
250 | #ifndef platform_irq_init | |
251 | # define platform_irq_init machvec_noop | |
252 | #endif | |
253 | ||
254 | #ifndef platform_send_ipi | |
255 | # define platform_send_ipi ia64_send_ipi /* default to architected version */ | |
256 | #endif | |
257 | #ifndef platform_timer_interrupt | |
258 | # define platform_timer_interrupt machvec_timer_interrupt | |
259 | #endif | |
260 | #ifndef platform_global_tlb_purge | |
261 | # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */ | |
262 | #endif | |
a7956113 ZN |
263 | #ifndef platform_kernel_launch_event |
264 | # define platform_kernel_launch_event machvec_noop | |
265 | #endif | |
1da177e4 | 266 | #ifndef platform_dma_init |
4d9b977c | 267 | # define platform_dma_init swiotlb_dma_init |
1da177e4 | 268 | #endif |
c190ab0b FT |
269 | #ifndef platform_dma_get_ops |
270 | # define platform_dma_get_ops dma_get_ops | |
271 | #endif | |
1115200a KK |
272 | #ifndef platform_irq_to_vector |
273 | # define platform_irq_to_vector __ia64_irq_to_vector | |
274 | #endif | |
1da177e4 LT |
275 | #ifndef platform_local_vector_to_irq |
276 | # define platform_local_vector_to_irq __ia64_local_vector_to_irq | |
277 | #endif | |
278 | #ifndef platform_pci_get_legacy_mem | |
279 | # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem | |
280 | #endif | |
281 | #ifndef platform_pci_legacy_read | |
282 | # define platform_pci_legacy_read ia64_pci_legacy_read | |
a72391e4 | 283 | extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size); |
1da177e4 LT |
284 | #endif |
285 | #ifndef platform_pci_legacy_write | |
286 | # define platform_pci_legacy_write ia64_pci_legacy_write | |
a72391e4 | 287 | extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size); |
1da177e4 LT |
288 | #endif |
289 | #ifndef platform_inb | |
290 | # define platform_inb __ia64_inb | |
291 | #endif | |
292 | #ifndef platform_inw | |
293 | # define platform_inw __ia64_inw | |
294 | #endif | |
295 | #ifndef platform_inl | |
296 | # define platform_inl __ia64_inl | |
297 | #endif | |
298 | #ifndef platform_outb | |
299 | # define platform_outb __ia64_outb | |
300 | #endif | |
301 | #ifndef platform_outw | |
302 | # define platform_outw __ia64_outw | |
303 | #endif | |
304 | #ifndef platform_outl | |
305 | # define platform_outl __ia64_outl | |
306 | #endif | |
307 | #ifndef platform_mmiowb | |
308 | # define platform_mmiowb __ia64_mmiowb | |
309 | #endif | |
310 | #ifndef platform_readb | |
311 | # define platform_readb __ia64_readb | |
312 | #endif | |
313 | #ifndef platform_readw | |
314 | # define platform_readw __ia64_readw | |
315 | #endif | |
316 | #ifndef platform_readl | |
317 | # define platform_readl __ia64_readl | |
318 | #endif | |
319 | #ifndef platform_readq | |
320 | # define platform_readq __ia64_readq | |
321 | #endif | |
322 | #ifndef platform_readb_relaxed | |
323 | # define platform_readb_relaxed __ia64_readb_relaxed | |
324 | #endif | |
325 | #ifndef platform_readw_relaxed | |
326 | # define platform_readw_relaxed __ia64_readw_relaxed | |
327 | #endif | |
328 | #ifndef platform_readl_relaxed | |
329 | # define platform_readl_relaxed __ia64_readl_relaxed | |
330 | #endif | |
331 | #ifndef platform_readq_relaxed | |
332 | # define platform_readq_relaxed __ia64_readq_relaxed | |
333 | #endif | |
e08e6c52 BC |
334 | #ifndef platform_migrate |
335 | # define platform_migrate machvec_noop_task | |
336 | #endif | |
3b7d1921 EB |
337 | #ifndef platform_setup_msi_irq |
338 | # define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL) | |
339 | #endif | |
340 | #ifndef platform_teardown_msi_irq | |
341 | # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL) | |
fd58e55f | 342 | #endif |
8ea6091f JK |
343 | #ifndef platform_pci_fixup_bus |
344 | # define platform_pci_fixup_bus machvec_noop_bus | |
345 | #endif | |
1da177e4 LT |
346 | |
347 | #endif /* _ASM_IA64_MACHVEC_H */ |