Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/xen/xen-ops.h
10817 views
1
#ifndef XEN_OPS_H

2
#define XEN_OPS_H

3


4
#include <linux/init.h>

5
#include <linux/clocksource.h>

6
#include <linux/irqreturn.h>

7
#include <xen/xen-ops.h>

8


9
/* These are code, but not functions.  Defined in entry.S */

10
extern const char xen_hypervisor_callback[];

11
extern const char xen_failsafe_callback[];

12


13
extern void *xen_initial_gdt;

14


15
struct trap_info;

16
void xen_copy_trap_info(struct trap_info *traps);

17


18
DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);

19
DECLARE_PER_CPU(unsigned long, xen_cr3);

20
DECLARE_PER_CPU(unsigned long, xen_current_cr3);

21


22
extern struct start_info *xen_start_info;

23
extern struct shared_info xen_dummy_shared_info;

24
extern struct shared_info *HYPERVISOR_shared_info;

25


26
void xen_setup_mfn_list_list(void);

27
void xen_setup_shared_info(void);

28
void xen_build_mfn_list_list(void);

29
void xen_setup_machphys_mapping(void);

30
pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);

31
void xen_ident_map_ISA(void);

32
void xen_reserve_top(void);

33
extern unsigned long xen_max_p2m_pfn;

34


35
void xen_set_pat(u64);

36


37
char * __init xen_memory_setup(void);

38
void __init xen_arch_setup(void);

39
void __init xen_init_IRQ(void);

40
void xen_enable_sysenter(void);

41
void xen_enable_syscall(void);

42
void xen_vcpu_restore(void);

43


44
void xen_callback_vector(void);

45
void xen_hvm_init_shared_info(void);

46
void xen_unplug_emulated_devices(void);

47


48
void __init xen_build_dynamic_phys_to_machine(void);

49


50
void xen_init_irq_ops(void);

51
void xen_setup_timer(int cpu);

52
void xen_setup_runstate_info(int cpu);

53
void xen_teardown_timer(int cpu);

54
cycle_t xen_clocksource_read(void);

55
void xen_setup_cpu_clockevents(void);

56
void __init xen_init_time_ops(void);

57
void __init xen_hvm_init_time_ops(void);

58


59
irqreturn_t xen_debug_interrupt(int irq, void *dev_id);

60


61
bool xen_vcpu_stolen(int vcpu);

62


63
void xen_setup_vcpu_info_placement(void);

64


65
#ifdef CONFIG_SMP

66
void xen_smp_init(void);

67
void __init xen_hvm_smp_init(void);

68


69
extern cpumask_var_t xen_cpu_initialized_map;

70
#else

71
static inline void xen_smp_init(void) {}

72
static inline void xen_hvm_smp_init(void) {}

73
#endif

74


75
#ifdef CONFIG_PARAVIRT_SPINLOCKS

76
void __init xen_init_spinlocks(void);

77
void __cpuinit xen_init_lock_cpu(int cpu);

78
void xen_uninit_lock_cpu(int cpu);

79
#else

80
static inline void xen_init_spinlocks(void)

81
{

82
}

83
static inline void xen_init_lock_cpu(int cpu)

84
{

85
}

86
static inline void xen_uninit_lock_cpu(int cpu)

87
{

88
}

89
#endif

90


91
/* Declare an asm function, along with symbols needed to make it

92
   inlineable */

93
#define DECL_ASM(ret, name, ...)		\

94
	ret name(__VA_ARGS__);			\

95
	extern char name##_end[];		\

96
	extern char name##_reloc[]		\

97


98
DECL_ASM(void, xen_irq_enable_direct, void);

99
DECL_ASM(void, xen_irq_disable_direct, void);

100
DECL_ASM(unsigned long, xen_save_fl_direct, void);

101
DECL_ASM(void, xen_restore_fl_direct, unsigned long);

102


103
/* These are not functions, and cannot be called normally */

104
void xen_iret(void);

105
void xen_sysexit(void);

106
void xen_sysret32(void);

107
void xen_sysret64(void);

108
void xen_adjust_exception_frame(void);

109


110
extern int xen_panic_handler_init(void);

111


112
#endif /* XEN_OPS_H */

113


114