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-rw-r--r--include/asm-ia64/paravirt.h255
1 files changed, 0 insertions, 255 deletions
diff --git a/include/asm-ia64/paravirt.h b/include/asm-ia64/paravirt.h
deleted file mode 100644
index 1b4df129f579..000000000000
--- a/include/asm-ia64/paravirt.h
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@@ -1,255 +0,0 @@
1/******************************************************************************
2 * include/asm-ia64/paravirt.h
3 *
4 * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
5 * VA Linux Systems Japan K.K.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23
24#ifndef __ASM_PARAVIRT_H
25#define __ASM_PARAVIRT_H
26
27#ifdef CONFIG_PARAVIRT_GUEST
28
29#define PARAVIRT_HYPERVISOR_TYPE_DEFAULT 0
30#define PARAVIRT_HYPERVISOR_TYPE_XEN 1
31
32#ifndef __ASSEMBLY__
33
34#include <asm/hw_irq.h>
35#include <asm/meminit.h>
36
37/******************************************************************************
38 * general info
39 */
40struct pv_info {
41 unsigned int kernel_rpl;
42 int paravirt_enabled;
43 const char *name;
44};
45
46extern struct pv_info pv_info;
47
48static inline int paravirt_enabled(void)
49{
50 return pv_info.paravirt_enabled;
51}
52
53static inline unsigned int get_kernel_rpl(void)
54{
55 return pv_info.kernel_rpl;
56}
57
58/******************************************************************************
59 * initialization hooks.
60 */
61struct rsvd_region;
62
63struct pv_init_ops {
64 void (*banner)(void);
65
66 int (*reserve_memory)(struct rsvd_region *region);
67
68 void (*arch_setup_early)(void);
69 void (*arch_setup_console)(char **cmdline_p);
70 int (*arch_setup_nomca)(void);
71
72 void (*post_smp_prepare_boot_cpu)(void);
73};
74
75extern struct pv_init_ops pv_init_ops;
76
77static inline void paravirt_banner(void)
78{
79 if (pv_init_ops.banner)
80 pv_init_ops.banner();
81}
82
83static inline int paravirt_reserve_memory(struct rsvd_region *region)
84{
85 if (pv_init_ops.reserve_memory)
86 return pv_init_ops.reserve_memory(region);
87 return 0;
88}
89
90static inline void paravirt_arch_setup_early(void)
91{
92 if (pv_init_ops.arch_setup_early)
93 pv_init_ops.arch_setup_early();
94}
95
96static inline void paravirt_arch_setup_console(char **cmdline_p)
97{
98 if (pv_init_ops.arch_setup_console)
99 pv_init_ops.arch_setup_console(cmdline_p);
100}
101
102static inline int paravirt_arch_setup_nomca(void)
103{
104 if (pv_init_ops.arch_setup_nomca)
105 return pv_init_ops.arch_setup_nomca();
106 return 0;
107}
108
109static inline void paravirt_post_smp_prepare_boot_cpu(void)
110{
111 if (pv_init_ops.post_smp_prepare_boot_cpu)
112 pv_init_ops.post_smp_prepare_boot_cpu();
113}
114
115/******************************************************************************
116 * replacement of iosapic operations.
117 */
118
119struct pv_iosapic_ops {
120 void (*pcat_compat_init)(void);
121
122 struct irq_chip *(*get_irq_chip)(unsigned long trigger);
123
124 unsigned int (*__read)(char __iomem *iosapic, unsigned int reg);
125 void (*__write)(char __iomem *iosapic, unsigned int reg, u32 val);
126};
127
128extern struct pv_iosapic_ops pv_iosapic_ops;
129
130static inline void
131iosapic_pcat_compat_init(void)
132{
133 if (pv_iosapic_ops.pcat_compat_init)
134 pv_iosapic_ops.pcat_compat_init();
135}
136
137static inline struct irq_chip*
138iosapic_get_irq_chip(unsigned long trigger)
139{
140 return pv_iosapic_ops.get_irq_chip(trigger);
141}
142
143static inline unsigned int
144__iosapic_read(char __iomem *iosapic, unsigned int reg)
145{
146 return pv_iosapic_ops.__read(iosapic, reg);
147}
148
149static inline void
150__iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
151{
152 return pv_iosapic_ops.__write(iosapic, reg, val);
153}
154
155/******************************************************************************
156 * replacement of irq operations.
157 */
158
159struct pv_irq_ops {
160 void (*register_ipi)(void);
161
162 int (*assign_irq_vector)(int irq);
163 void (*free_irq_vector)(int vector);
164
165 void (*register_percpu_irq)(ia64_vector vec,
166 struct irqaction *action);
167
168 void (*resend_irq)(unsigned int vector);
169};
170
171extern struct pv_irq_ops pv_irq_ops;
172
173static inline void
174ia64_register_ipi(void)
175{
176 pv_irq_ops.register_ipi();
177}
178
179static inline int
180assign_irq_vector(int irq)
181{
182 return pv_irq_ops.assign_irq_vector(irq);
183}
184
185static inline void
186free_irq_vector(int vector)
187{
188 return pv_irq_ops.free_irq_vector(vector);
189}
190
191static inline void
192register_percpu_irq(ia64_vector vec, struct irqaction *action)
193{
194 pv_irq_ops.register_percpu_irq(vec, action);
195}
196
197static inline void
198ia64_resend_irq(unsigned int vector)
199{
200 pv_irq_ops.resend_irq(vector);
201}
202
203/******************************************************************************
204 * replacement of time operations.
205 */
206
207extern struct itc_jitter_data_t itc_jitter_data;
208extern volatile int time_keeper_id;
209
210struct pv_time_ops {
211 void (*init_missing_ticks_accounting)(int cpu);
212 int (*do_steal_accounting)(unsigned long *new_itm);
213
214 void (*clocksource_resume)(void);
215};
216
217extern struct pv_time_ops pv_time_ops;
218
219static inline void
220paravirt_init_missing_ticks_accounting(int cpu)
221{
222 if (pv_time_ops.init_missing_ticks_accounting)
223 pv_time_ops.init_missing_ticks_accounting(cpu);
224}
225
226static inline int
227paravirt_do_steal_accounting(unsigned long *new_itm)
228{
229 return pv_time_ops.do_steal_accounting(new_itm);
230}
231
232#endif /* !__ASSEMBLY__ */
233
234#else
235/* fallback for native case */
236
237#ifndef __ASSEMBLY__
238
239#define paravirt_banner() do { } while (0)
240#define paravirt_reserve_memory(region) 0
241
242#define paravirt_arch_setup_early() do { } while (0)
243#define paravirt_arch_setup_console(cmdline_p) do { } while (0)
244#define paravirt_arch_setup_nomca() 0
245#define paravirt_post_smp_prepare_boot_cpu() do { } while (0)
246
247#define paravirt_init_missing_ticks_accounting(cpu) do { } while (0)
248#define paravirt_do_steal_accounting(new_itm) 0
249
250#endif /* __ASSEMBLY__ */
251
252
253#endif /* CONFIG_PARAVIRT_GUEST */
254
255#endif /* __ASM_PARAVIRT_H */
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