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>
14 #include <linux/swiotlb.h>
16 /* forward declarations: */
28 typedef void ia64_mv_setup_t (char **);
29 typedef void ia64_mv_cpu_init_t (void);
30 typedef void ia64_mv_irq_init_t (void);
31 typedef void ia64_mv_send_ipi_t (int, int, int, int);
32 typedef void ia64_mv_timer_interrupt_t (int, void *);
33 typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
34 typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
35 typedef u8 ia64_mv_irq_to_vector (int);
36 typedef unsigned int ia64_mv_local_vector_to_irq (u8);
37 typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
38 typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
40 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
42 typedef void ia64_mv_migrate_t(struct task_struct * task);
43 typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
44 typedef void ia64_mv_kernel_launch_event_t(void);
46 /* DMA-mapping interface: */
47 typedef void ia64_mv_dma_init (void);
48 typedef struct dma_mapping_ops *ia64_mv_dma_get_ops(struct device *);
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 *);
75 typedef int ia64_mv_setup_msi_irq_t (struct pci_dev *pdev, struct msi_desc *);
76 typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
84 machvec_noop_mm (struct mm_struct *mm)
89 machvec_noop_task (struct task_struct *task)
94 machvec_noop_bus (struct pci_bus *bus)
98 extern void machvec_setup (char **);
99 extern void machvec_timer_interrupt (int, void *);
100 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
101 extern void machvec_dma_sync_sg (struct device *, struct scatterlist *, int, int);
102 extern void machvec_tlb_migrate_finish (struct mm_struct *);
104 # if defined (CONFIG_IA64_HP_SIM)
105 # include <asm/machvec_hpsim.h>
106 # elif defined (CONFIG_IA64_DIG)
107 # include <asm/machvec_dig.h>
108 # elif defined(CONFIG_IA64_DIG_VTD)
109 # include <asm/machvec_dig_vtd.h>
110 # elif defined (CONFIG_IA64_HP_ZX1)
111 # include <asm/machvec_hpzx1.h>
112 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
113 # include <asm/machvec_hpzx1_swiotlb.h>
114 # elif defined (CONFIG_IA64_SGI_SN2)
115 # include <asm/machvec_sn2.h>
116 # elif defined (CONFIG_IA64_SGI_UV)
117 # include <asm/machvec_uv.h>
118 # elif defined (CONFIG_IA64_XEN_GUEST)
119 # include <asm/machvec_xen.h>
120 # elif defined (CONFIG_IA64_GENERIC)
122 # ifdef MACHVEC_PLATFORM_HEADER
123 # include MACHVEC_PLATFORM_HEADER
125 # define platform_name ia64_mv.name
126 # define platform_setup ia64_mv.setup
127 # define platform_cpu_init ia64_mv.cpu_init
128 # define platform_irq_init ia64_mv.irq_init
129 # define platform_send_ipi ia64_mv.send_ipi
130 # define platform_timer_interrupt ia64_mv.timer_interrupt
131 # define platform_global_tlb_purge ia64_mv.global_tlb_purge
132 # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
133 # define platform_dma_init ia64_mv.dma_init
134 # define platform_dma_get_ops ia64_mv.dma_get_ops
135 # define platform_irq_to_vector ia64_mv.irq_to_vector
136 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
137 # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
138 # define platform_pci_legacy_read ia64_mv.pci_legacy_read
139 # define platform_pci_legacy_write ia64_mv.pci_legacy_write
140 # define platform_inb ia64_mv.inb
141 # define platform_inw ia64_mv.inw
142 # define platform_inl ia64_mv.inl
143 # define platform_outb ia64_mv.outb
144 # define platform_outw ia64_mv.outw
145 # define platform_outl ia64_mv.outl
146 # define platform_mmiowb ia64_mv.mmiowb
147 # define platform_readb ia64_mv.readb
148 # define platform_readw ia64_mv.readw
149 # define platform_readl ia64_mv.readl
150 # define platform_readq ia64_mv.readq
151 # define platform_readb_relaxed ia64_mv.readb_relaxed
152 # define platform_readw_relaxed ia64_mv.readw_relaxed
153 # define platform_readl_relaxed ia64_mv.readl_relaxed
154 # define platform_readq_relaxed ia64_mv.readq_relaxed
155 # define platform_migrate ia64_mv.migrate
156 # define platform_setup_msi_irq ia64_mv.setup_msi_irq
157 # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
158 # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
159 # define platform_kernel_launch_event ia64_mv.kernel_launch_event
162 /* __attribute__((__aligned__(16))) is required to make size of the
163 * structure multiple of 16 bytes.
164 * This will fillup the holes created because of section 3.3.1 in
165 * Software Conventions guide.
167 struct ia64_machine_vector {
169 ia64_mv_setup_t *setup;
170 ia64_mv_cpu_init_t *cpu_init;
171 ia64_mv_irq_init_t *irq_init;
172 ia64_mv_send_ipi_t *send_ipi;
173 ia64_mv_timer_interrupt_t *timer_interrupt;
174 ia64_mv_global_tlb_purge_t *global_tlb_purge;
175 ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
176 ia64_mv_dma_init *dma_init;
177 ia64_mv_dma_get_ops *dma_get_ops;
178 ia64_mv_irq_to_vector *irq_to_vector;
179 ia64_mv_local_vector_to_irq *local_vector_to_irq;
180 ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
181 ia64_mv_pci_legacy_read_t *pci_legacy_read;
182 ia64_mv_pci_legacy_write_t *pci_legacy_write;
186 ia64_mv_outb_t *outb;
187 ia64_mv_outw_t *outw;
188 ia64_mv_outl_t *outl;
189 ia64_mv_mmiowb_t *mmiowb;
190 ia64_mv_readb_t *readb;
191 ia64_mv_readw_t *readw;
192 ia64_mv_readl_t *readl;
193 ia64_mv_readq_t *readq;
194 ia64_mv_readb_relaxed_t *readb_relaxed;
195 ia64_mv_readw_relaxed_t *readw_relaxed;
196 ia64_mv_readl_relaxed_t *readl_relaxed;
197 ia64_mv_readq_relaxed_t *readq_relaxed;
198 ia64_mv_migrate_t *migrate;
199 ia64_mv_setup_msi_irq_t *setup_msi_irq;
200 ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
201 ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
202 ia64_mv_kernel_launch_event_t *kernel_launch_event;
203 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
205 #define MACHVEC_INIT(name) \
212 platform_timer_interrupt, \
213 platform_global_tlb_purge, \
214 platform_tlb_migrate_finish, \
216 platform_dma_get_ops, \
217 platform_irq_to_vector, \
218 platform_local_vector_to_irq, \
219 platform_pci_get_legacy_mem, \
220 platform_pci_legacy_read, \
221 platform_pci_legacy_write, \
233 platform_readb_relaxed, \
234 platform_readw_relaxed, \
235 platform_readl_relaxed, \
236 platform_readq_relaxed, \
238 platform_setup_msi_irq, \
239 platform_teardown_msi_irq, \
240 platform_pci_fixup_bus, \
241 platform_kernel_launch_event \
244 extern struct ia64_machine_vector ia64_mv;
245 extern void machvec_init (const char *name);
246 extern void machvec_init_from_cmdline(const char *cmdline);
249 # error Unknown configuration. Update arch/ia64/include/asm/machvec.h.
250 # endif /* CONFIG_IA64_GENERIC */
252 extern void swiotlb_dma_init(void);
253 extern struct dma_mapping_ops *dma_get_ops(struct device *);
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_kernel_launch_event
282 # define platform_kernel_launch_event machvec_noop
284 #ifndef platform_dma_init
285 # define platform_dma_init swiotlb_dma_init
287 #ifndef platform_dma_get_ops
288 # define platform_dma_get_ops dma_get_ops
290 #ifndef platform_irq_to_vector
291 # define platform_irq_to_vector __ia64_irq_to_vector
293 #ifndef platform_local_vector_to_irq
294 # define platform_local_vector_to_irq __ia64_local_vector_to_irq
296 #ifndef platform_pci_get_legacy_mem
297 # define platform_pci_get_legacy_mem ia64_pci_get_legacy_mem
299 #ifndef platform_pci_legacy_read
300 # define platform_pci_legacy_read ia64_pci_legacy_read
301 extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
303 #ifndef platform_pci_legacy_write
304 # define platform_pci_legacy_write ia64_pci_legacy_write
305 extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
308 # define platform_inb __ia64_inb
311 # define platform_inw __ia64_inw
314 # define platform_inl __ia64_inl
316 #ifndef platform_outb
317 # define platform_outb __ia64_outb
319 #ifndef platform_outw
320 # define platform_outw __ia64_outw
322 #ifndef platform_outl
323 # define platform_outl __ia64_outl
325 #ifndef platform_mmiowb
326 # define platform_mmiowb __ia64_mmiowb
328 #ifndef platform_readb
329 # define platform_readb __ia64_readb
331 #ifndef platform_readw
332 # define platform_readw __ia64_readw
334 #ifndef platform_readl
335 # define platform_readl __ia64_readl
337 #ifndef platform_readq
338 # define platform_readq __ia64_readq
340 #ifndef platform_readb_relaxed
341 # define platform_readb_relaxed __ia64_readb_relaxed
343 #ifndef platform_readw_relaxed
344 # define platform_readw_relaxed __ia64_readw_relaxed
346 #ifndef platform_readl_relaxed
347 # define platform_readl_relaxed __ia64_readl_relaxed
349 #ifndef platform_readq_relaxed
350 # define platform_readq_relaxed __ia64_readq_relaxed
352 #ifndef platform_migrate
353 # define platform_migrate machvec_noop_task
355 #ifndef platform_setup_msi_irq
356 # define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL)
358 #ifndef platform_teardown_msi_irq
359 # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL)
361 #ifndef platform_pci_fixup_bus
362 # define platform_pci_fixup_bus machvec_noop_bus
365 #endif /* _ASM_IA64_MACHVEC_H */