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authorIsaku Yamahata <yamahata@valinux.co.jp>2008-05-19 09:13:41 -0400
committerTony Luck <tony.luck@intel.com>2008-05-27 18:10:06 -0400
commite51835d58a5abdf82211f36f500f666ca7ef9aee (patch)
tree84a90efb1f0a5e3ac2b0e8fa64d29cf2e8942315 /include/asm-ia64
parent213060a4d6991a95d0b9344406d195be3464accf (diff)
[IA64] pvops: define initialization hooks, pv_init_ops, for paravirtualized environment.
define pv_init_ops hooks which represents various initialization hooks for paravirtualized environment. and add hooks. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64')
-rw-r--r--include/asm-ia64/paravirt.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-ia64/paravirt.h b/include/asm-ia64/paravirt.h
index 1032b216aea6..84d74c32eb98 100644
--- a/include/asm-ia64/paravirt.h
+++ b/include/asm-ia64/paravirt.h
@@ -55,11 +55,81 @@ static inline unsigned int get_kernel_rpl(void)
55 return pv_info.kernel_rpl; 55 return pv_info.kernel_rpl;
56} 56}
57 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
58#endif /* !__ASSEMBLY__ */ 115#endif /* !__ASSEMBLY__ */
59 116
60#else 117#else
61/* fallback for native case */ 118/* fallback for native case */
62 119
120#ifndef __ASSEMBLY__
121
122#define paravirt_banner() do { } while (0)
123#define paravirt_reserve_memory(region) 0
124
125#define paravirt_arch_setup_early() do { } while (0)
126#define paravirt_arch_setup_console(cmdline_p) do { } while (0)
127#define paravirt_arch_setup_nomca() 0
128#define paravirt_post_smp_prepare_boot_cpu() do { } while (0)
129
130#endif /* __ASSEMBLY__ */
131
132
63#endif /* CONFIG_PARAVIRT_GUEST */ 133#endif /* CONFIG_PARAVIRT_GUEST */
64 134
65#endif /* __ASM_PARAVIRT_H */ 135#endif /* __ASM_PARAVIRT_H */