]>
Commit | Line | Data |
---|---|---|
e04d0d07 IY |
1 | #ifndef INCLUDE_XEN_OPS_H |
2 | #define INCLUDE_XEN_OPS_H | |
3 | ||
4 | #include <linux/percpu.h> | |
cd979883 | 5 | #include <linux/notifier.h> |
be81c8a1 | 6 | #include <linux/efi.h> |
7892f692 | 7 | #include <asm/xen/interface.h> |
4ccefbe5 | 8 | #include <xen/interface/vcpu.h> |
e04d0d07 IY |
9 | |
10 | DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu); | |
11 | ||
55467dea VK |
12 | DECLARE_PER_CPU(uint32_t, xen_vcpu_id); |
13 | static inline uint32_t xen_vcpu_nr(int cpu) | |
88e957d6 VK |
14 | { |
15 | return per_cpu(xen_vcpu_id, cpu); | |
16 | } | |
17 | ||
03c8142b IC |
18 | void xen_arch_pre_suspend(void); |
19 | void xen_arch_post_suspend(int suspend_cancelled); | |
0e91398f | 20 | |
ad55db9f IY |
21 | void xen_timer_resume(void); |
22 | void xen_arch_resume(void); | |
2b953a5e | 23 | void xen_arch_suspend(void); |
ad55db9f | 24 | |
cd979883 SG |
25 | void xen_resume_notifier_register(struct notifier_block *nb); |
26 | void xen_resume_notifier_unregister(struct notifier_block *nb); | |
27 | ||
4ccefbe5 SS |
28 | bool xen_vcpu_stolen(int vcpu); |
29 | void xen_setup_runstate_info(int cpu); | |
ecb23dc6 | 30 | void xen_time_setup_guest(void); |
4ccefbe5 | 31 | void xen_get_runstate_snapshot(struct vcpu_runstate_info *res); |
d34c30cc | 32 | u64 xen_steal_clock(int cpu); |
4ccefbe5 | 33 | |
016b6f5f SS |
34 | int xen_setup_shutdown_event(void); |
35 | ||
08bbc9da | 36 | extern unsigned long *xen_contiguous_bitmap; |
1b65c4e5 | 37 | int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order, |
69908907 SS |
38 | unsigned int address_bits, |
39 | dma_addr_t *dma_handle); | |
08bbc9da | 40 | |
1b65c4e5 | 41 | void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order); |
08bbc9da | 42 | |
c140d879 | 43 | struct vm_area_struct; |
4e8c0c8c DV |
44 | |
45 | /* | |
a13d7201 | 46 | * xen_remap_domain_gfn_array() - map an array of foreign frames |
4e8c0c8c DV |
47 | * @vma: VMA to map the pages into |
48 | * @addr: Address at which to map the pages | |
49 | * @gfn: Array of GFNs to map | |
50 | * @nr: Number entries in the GFN array | |
51 | * @err_ptr: Returns per-GFN error status. | |
52 | * @prot: page protection mask | |
53 | * @domid: Domain owning the pages | |
54 | * @pages: Array of pages if this domain has an auto-translated physmap | |
55 | * | |
56 | * @gfn and @err_ptr may point to the same buffer, the GFNs will be | |
57 | * overwritten by the error codes after they are mapped. | |
58 | * | |
59 | * Returns the number of successfully mapped frames, or a -ve error | |
60 | * code. | |
61 | */ | |
a13d7201 | 62 | int xen_remap_domain_gfn_array(struct vm_area_struct *vma, |
4e8c0c8c DV |
63 | unsigned long addr, |
64 | xen_pfn_t *gfn, int nr, | |
65 | int *err_ptr, pgprot_t prot, | |
66 | unsigned domid, | |
67 | struct page **pages); | |
68 | ||
a13d7201 | 69 | /* xen_remap_domain_gfn_range() - map a range of foreign frames |
4e8c0c8c DV |
70 | * @vma: VMA to map the pages into |
71 | * @addr: Address at which to map the pages | |
72 | * @gfn: First GFN to map. | |
73 | * @nr: Number frames to map | |
74 | * @prot: page protection mask | |
75 | * @domid: Domain owning the pages | |
76 | * @pages: Array of pages if this domain has an auto-translated physmap | |
77 | * | |
78 | * Returns the number of successfully mapped frames, or a -ve error | |
79 | * code. | |
80 | */ | |
a13d7201 | 81 | int xen_remap_domain_gfn_range(struct vm_area_struct *vma, |
de1ef206 | 82 | unsigned long addr, |
4e8c0c8c | 83 | xen_pfn_t gfn, int nr, |
9a032e39 IC |
84 | pgprot_t prot, unsigned domid, |
85 | struct page **pages); | |
a13d7201 | 86 | int xen_unmap_domain_gfn_range(struct vm_area_struct *vma, |
9a032e39 | 87 | int numpgs, struct page **pages); |
4e8c0c8c | 88 | int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, |
628c28ee | 89 | unsigned long addr, |
4e8c0c8c DV |
90 | xen_pfn_t *gfn, int nr, |
91 | int *err_ptr, pgprot_t prot, | |
628c28ee DV |
92 | unsigned domid, |
93 | struct page **pages); | |
94 | int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, | |
95 | int nr, struct page **pages); | |
243848fc SZ |
96 | int xen_xlate_map_ballooned_pages(xen_pfn_t **pfns, void **vaddr, |
97 | unsigned long nr_grant_frames); | |
de1ef206 | 98 | |
394b40f6 | 99 | bool xen_running_on_version_or_later(unsigned int major, unsigned int minor); |
be81c8a1 | 100 | |
a62ed500 SZ |
101 | efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc); |
102 | efi_status_t xen_efi_set_time(efi_time_t *tm); | |
103 | efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending, | |
104 | efi_time_t *tm); | |
105 | efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm); | |
106 | efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor, | |
107 | u32 *attr, unsigned long *data_size, | |
108 | void *data); | |
109 | efi_status_t xen_efi_get_next_variable(unsigned long *name_size, | |
110 | efi_char16_t *name, efi_guid_t *vendor); | |
111 | efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor, | |
112 | u32 attr, unsigned long data_size, | |
113 | void *data); | |
114 | efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space, | |
115 | u64 *remaining_space, | |
116 | u64 *max_variable_size); | |
117 | efi_status_t xen_efi_get_next_high_mono_count(u32 *count); | |
118 | efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules, | |
119 | unsigned long count, unsigned long sg_list); | |
120 | efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules, | |
121 | unsigned long count, u64 *max_size, | |
122 | int *reset_type); | |
be81c8a1 | 123 | |
fdfd811d DV |
124 | #ifdef CONFIG_PREEMPT |
125 | ||
126 | static inline void xen_preemptible_hcall_begin(void) | |
127 | { | |
128 | } | |
129 | ||
130 | static inline void xen_preemptible_hcall_end(void) | |
131 | { | |
132 | } | |
133 | ||
134 | #else | |
135 | ||
136 | DECLARE_PER_CPU(bool, xen_in_preemptible_hcall); | |
137 | ||
138 | static inline void xen_preemptible_hcall_begin(void) | |
139 | { | |
140 | __this_cpu_write(xen_in_preemptible_hcall, true); | |
141 | } | |
142 | ||
143 | static inline void xen_preemptible_hcall_end(void) | |
144 | { | |
145 | __this_cpu_write(xen_in_preemptible_hcall, false); | |
146 | } | |
147 | ||
148 | #endif /* CONFIG_PREEMPT */ | |
149 | ||
e04d0d07 | 150 | #endif /* INCLUDE_XEN_OPS_H */ |