Commit e51835d5 authored by Isaku Yamahata's avatar Isaku Yamahata Committed by Tony Luck

[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: default avatarAlex Williamson <alex.williamson@hp.com>
Signed-off-by: default avatarIsaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 213060a4
......@@ -41,6 +41,13 @@ struct pv_info pv_info = {
.name = "bare hardware"
};
/***************************************************************************
* pv_init_ops
* initialization hooks.
*/
struct pv_init_ops pv_init_ops;
/***************************************************************************
* pv_cpu_ops
* intrinsics hooks.
......
......@@ -51,6 +51,7 @@
#include <asm/mca.h>
#include <asm/meminit.h>
#include <asm/page.h>
#include <asm/paravirt.h>
#include <asm/patch.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
......@@ -341,6 +342,8 @@ reserve_memory (void)
rsvd_region[n].end = (unsigned long) ia64_imva(_end);
n++;
n += paravirt_reserve_memory(&rsvd_region[n]);
#ifdef CONFIG_BLK_DEV_INITRD
if (ia64_boot_param->initrd_start) {
rsvd_region[n].start = (unsigned long)__va(ia64_boot_param->initrd_start);
......@@ -519,6 +522,8 @@ setup_arch (char **cmdline_p)
{
unw_init();
paravirt_arch_setup_early();
ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
*cmdline_p = __va(ia64_boot_param->command_line);
......@@ -584,6 +589,9 @@ setup_arch (char **cmdline_p)
acpi_boot_init();
#endif
paravirt_banner();
paravirt_arch_setup_console(cmdline_p);
#ifdef CONFIG_VT
if (!conswitchp) {
# if defined(CONFIG_DUMMY_CONSOLE)
......@@ -603,6 +611,8 @@ setup_arch (char **cmdline_p)
#endif
/* enable IA-64 Machine Check Abort Handling unless disabled */
if (paravirt_arch_setup_nomca())
nomca = 1;
if (!nomca)
ia64_mca_init();
......
......@@ -50,6 +50,7 @@
#include <asm/machvec.h>
#include <asm/mca.h>
#include <asm/page.h>
#include <asm/paravirt.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
......@@ -642,6 +643,7 @@ void __devinit smp_prepare_boot_cpu(void)
cpu_set(smp_processor_id(), cpu_online_map);
cpu_set(smp_processor_id(), cpu_callin_map);
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
paravirt_post_smp_prepare_boot_cpu();
}
#ifdef CONFIG_HOTPLUG_CPU
......
......@@ -55,11 +55,81 @@ static inline unsigned int get_kernel_rpl(void)
return pv_info.kernel_rpl;
}
/******************************************************************************
* initialization hooks.
*/
struct rsvd_region;
struct pv_init_ops {
void (*banner)(void);
int (*reserve_memory)(struct rsvd_region *region);
void (*arch_setup_early)(void);
void (*arch_setup_console)(char **cmdline_p);
int (*arch_setup_nomca)(void);
void (*post_smp_prepare_boot_cpu)(void);
};
extern struct pv_init_ops pv_init_ops;
static inline void paravirt_banner(void)
{
if (pv_init_ops.banner)
pv_init_ops.banner();
}
static inline int paravirt_reserve_memory(struct rsvd_region *region)
{
if (pv_init_ops.reserve_memory)
return pv_init_ops.reserve_memory(region);
return 0;
}
static inline void paravirt_arch_setup_early(void)
{
if (pv_init_ops.arch_setup_early)
pv_init_ops.arch_setup_early();
}
static inline void paravirt_arch_setup_console(char **cmdline_p)
{
if (pv_init_ops.arch_setup_console)
pv_init_ops.arch_setup_console(cmdline_p);
}
static inline int paravirt_arch_setup_nomca(void)
{
if (pv_init_ops.arch_setup_nomca)
return pv_init_ops.arch_setup_nomca();
return 0;
}
static inline void paravirt_post_smp_prepare_boot_cpu(void)
{
if (pv_init_ops.post_smp_prepare_boot_cpu)
pv_init_ops.post_smp_prepare_boot_cpu();
}
#endif /* !__ASSEMBLY__ */
#else
/* fallback for native case */
#ifndef __ASSEMBLY__
#define paravirt_banner() do { } while (0)
#define paravirt_reserve_memory(region) 0
#define paravirt_arch_setup_early() do { } while (0)
#define paravirt_arch_setup_console(cmdline_p) do { } while (0)
#define paravirt_arch_setup_nomca() 0
#define paravirt_post_smp_prepare_boot_cpu() do { } while (0)
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_PARAVIRT_GUEST */
#endif /* __ASM_PARAVIRT_H */
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