Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 1 | #ifndef XEN_OPS_H |
| 2 | #define XEN_OPS_H |
| 3 | |
| 4 | #include <linux/init.h> |
Jeremy Fitzhardinge | ee7686b | 2008-08-21 13:17:56 -0700 | [diff] [blame] | 5 | #include <linux/clocksource.h> |
Jeremy Fitzhardinge | ee523ca | 2008-03-17 16:37:18 -0700 | [diff] [blame] | 6 | #include <linux/irqreturn.h> |
Isaku Yamahata | e04d0d0 | 2008-04-02 10:53:55 -0700 | [diff] [blame] | 7 | #include <xen/xen-ops.h> |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 8 | |
Jeremy Fitzhardinge | f87e4ca | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 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 | |
Jeremy Fitzhardinge | 3834143 | 2009-02-02 13:55:31 -0800 | [diff] [blame] | 13 | extern void *xen_initial_gdt; |
| 14 | |
Jeremy Fitzhardinge | 0e91398 | 2008-05-26 23:31:27 +0100 | [diff] [blame] | 15 | struct trap_info; |
Jeremy Fitzhardinge | f87e4ca | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 16 | void xen_copy_trap_info(struct trap_info *traps); |
| 17 | |
Jeremy Fitzhardinge | 319f3ba | 2009-01-28 14:35:01 -0800 | [diff] [blame] | 18 | DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info); |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 19 | DECLARE_PER_CPU(unsigned long, xen_cr3); |
Jeremy Fitzhardinge | 9f79991 | 2007-10-16 11:51:30 -0700 | [diff] [blame] | 20 | DECLARE_PER_CPU(unsigned long, xen_current_cr3); |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 21 | |
| 22 | extern struct start_info *xen_start_info; |
Jeremy Fitzhardinge | a0d695c | 2008-05-26 23:31:21 +0100 | [diff] [blame] | 23 | extern struct shared_info xen_dummy_shared_info; |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 24 | extern struct shared_info *HYPERVISOR_shared_info; |
| 25 | |
Jeremy Fitzhardinge | d5edbc1 | 2008-05-26 23:31:22 +0100 | [diff] [blame] | 26 | void xen_setup_mfn_list_list(void); |
Jeremy Fitzhardinge | 0e91398 | 2008-05-26 23:31:27 +0100 | [diff] [blame] | 27 | void xen_setup_shared_info(void); |
Ian Campbell | fa24ba6 | 2009-11-21 11:32:49 +0000 | [diff] [blame] | 28 | void xen_build_mfn_list_list(void); |
Jeremy Fitzhardinge | 319f3ba | 2009-01-28 14:35:01 -0800 | [diff] [blame] | 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 | |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 34 | char * __init xen_memory_setup(void); |
| 35 | void __init xen_arch_setup(void); |
| 36 | void __init xen_init_IRQ(void); |
Jeremy Fitzhardinge | e2a81ba | 2008-03-17 16:37:17 -0700 | [diff] [blame] | 37 | void xen_enable_sysenter(void); |
Jeremy Fitzhardinge | 6fcac6d | 2008-07-08 15:07:14 -0700 | [diff] [blame] | 38 | void xen_enable_syscall(void); |
Jeremy Fitzhardinge | 9c7a794 | 2008-05-31 01:33:02 +0100 | [diff] [blame] | 39 | void xen_vcpu_restore(void); |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 40 | |
Sheng Yang | 38e20b0 | 2010-05-14 12:40:51 +0100 | [diff] [blame] | 41 | void xen_callback_vector(void); |
Stefano Stabellini | 016b6f5 | 2010-05-14 12:45:07 +0100 | [diff] [blame] | 42 | void xen_hvm_init_shared_info(void); |
Stefano Stabellini | c1c5413 | 2010-05-14 12:44:30 +0100 | [diff] [blame] | 43 | void __init xen_unplug_emulated_devices(void); |
Sheng Yang | 38e20b0 | 2010-05-14 12:40:51 +0100 | [diff] [blame] | 44 | |
Jeremy Fitzhardinge | d451bb7 | 2008-05-26 23:31:18 +0100 | [diff] [blame] | 45 | void __init xen_build_dynamic_phys_to_machine(void); |
| 46 | |
Jeremy Fitzhardinge | 0d1edf4 | 2008-07-28 11:53:57 -0700 | [diff] [blame] | 47 | void xen_init_irq_ops(void); |
Jeremy Fitzhardinge | f87e4ca | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 48 | void xen_setup_timer(int cpu); |
Ian Campbell | be01292 | 2009-11-21 08:35:55 +0800 | [diff] [blame] | 49 | void xen_setup_runstate_info(int cpu); |
Alex Nixon | d68d82a | 2008-08-22 11:52:15 +0100 | [diff] [blame] | 50 | void xen_teardown_timer(int cpu); |
Jeremy Fitzhardinge | ee7686b | 2008-08-21 13:17:56 -0700 | [diff] [blame] | 51 | cycle_t xen_clocksource_read(void); |
Jeremy Fitzhardinge | f87e4ca | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 52 | void xen_setup_cpu_clockevents(void); |
Stefano Stabellini | 409771d | 2010-05-14 12:48:19 +0100 | [diff] [blame] | 53 | void __init xen_init_time_ops(void); |
| 54 | void __init xen_hvm_init_time_ops(void); |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 55 | |
Jeremy Fitzhardinge | ee523ca | 2008-03-17 16:37:18 -0700 | [diff] [blame] | 56 | irqreturn_t xen_debug_interrupt(int irq, void *dev_id); |
| 57 | |
Jeremy Fitzhardinge | f0d7339 | 2007-10-16 11:51:30 -0700 | [diff] [blame] | 58 | bool xen_vcpu_stolen(int vcpu); |
| 59 | |
Al Viro | 37af46e | 2008-11-22 17:37:54 +0000 | [diff] [blame] | 60 | void xen_setup_vcpu_info_placement(void); |
Jeremy Fitzhardinge | f87e4ca | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 61 | |
Jeremy Fitzhardinge | a9e7062 | 2008-07-08 15:06:41 -0700 | [diff] [blame] | 62 | #ifdef CONFIG_SMP |
| 63 | void xen_smp_init(void); |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 64 | |
Mike Travis | b78936e | 2008-12-16 17:33:57 -0800 | [diff] [blame] | 65 | extern cpumask_var_t xen_cpu_initialized_map; |
Jeremy Fitzhardinge | a9e7062 | 2008-07-08 15:06:41 -0700 | [diff] [blame] | 66 | #else |
| 67 | static inline void xen_smp_init(void) {} |
| 68 | #endif |
Jeremy Fitzhardinge | 0e91398 | 2008-05-26 23:31:27 +0100 | [diff] [blame] | 69 | |
Jeremy Fitzhardinge | b4ecc12 | 2009-05-13 17:16:55 -0700 | [diff] [blame] | 70 | #ifdef CONFIG_PARAVIRT_SPINLOCKS |
| 71 | void __init xen_init_spinlocks(void); |
| 72 | __cpuinit void xen_init_lock_cpu(int cpu); |
| 73 | void xen_uninit_lock_cpu(int cpu); |
| 74 | #else |
| 75 | static inline void xen_init_spinlocks(void) |
| 76 | { |
| 77 | } |
| 78 | static inline void xen_init_lock_cpu(int cpu) |
| 79 | { |
| 80 | } |
| 81 | static inline void xen_uninit_lock_cpu(int cpu) |
| 82 | { |
| 83 | } |
| 84 | #endif |
Jeremy Fitzhardinge | 6487673 | 2007-07-17 18:37:07 -0700 | [diff] [blame] | 85 | |
| 86 | /* Declare an asm function, along with symbols needed to make it |
| 87 | inlineable */ |
| 88 | #define DECL_ASM(ret, name, ...) \ |
| 89 | ret name(__VA_ARGS__); \ |
| 90 | extern char name##_end[]; \ |
| 91 | extern char name##_reloc[] \ |
| 92 | |
| 93 | DECL_ASM(void, xen_irq_enable_direct, void); |
| 94 | DECL_ASM(void, xen_irq_disable_direct, void); |
| 95 | DECL_ASM(unsigned long, xen_save_fl_direct, void); |
| 96 | DECL_ASM(void, xen_restore_fl_direct, unsigned long); |
| 97 | |
Jeremy Fitzhardinge | 997409d | 2008-07-08 15:07:00 -0700 | [diff] [blame] | 98 | /* These are not functions, and cannot be called normally */ |
Jeremy Fitzhardinge | 81e103f | 2008-04-17 17:40:51 +0200 | [diff] [blame] | 99 | void xen_iret(void); |
Jeremy Fitzhardinge | e2a81ba | 2008-03-17 16:37:17 -0700 | [diff] [blame] | 100 | void xen_sysexit(void); |
Jeremy Fitzhardinge | 6fcac6d | 2008-07-08 15:07:14 -0700 | [diff] [blame] | 101 | void xen_sysret32(void); |
| 102 | void xen_sysret64(void); |
Jeremy Fitzhardinge | 997409d | 2008-07-08 15:07:00 -0700 | [diff] [blame] | 103 | void xen_adjust_exception_frame(void); |
Jeremy Fitzhardinge | e2a81ba | 2008-03-17 16:37:17 -0700 | [diff] [blame] | 104 | |
Donald Dutile | f09f6d1 | 2010-07-15 14:56:49 -0400 | [diff] [blame] | 105 | extern int xen_panic_handler_init(void); |
| 106 | |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 107 | #endif /* XEN_OPS_H */ |