Release 4.12 include/xen/xen-ops.h
#ifndef INCLUDE_XEN_OPS_H
#define INCLUDE_XEN_OPS_H
#include <linux/percpu.h>
#include <linux/notifier.h>
#include <linux/efi.h>
#include <asm/xen/interface.h>
#include <xen/interface/vcpu.h>
DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
DECLARE_PER_CPU(uint32_t, xen_vcpu_id);
static inline uint32_t xen_vcpu_nr(int cpu)
{
return per_cpu(xen_vcpu_id, cpu);
}
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void xen_arch_pre_suspend(void);
void xen_arch_post_suspend(int suspend_cancelled);
void xen_timer_resume(void);
void xen_arch_resume(void);
void xen_arch_suspend(void);
void xen_reboot(int reason);
void xen_resume_notifier_register(struct notifier_block *nb);
void xen_resume_notifier_unregister(struct notifier_block *nb);
bool xen_vcpu_stolen(int vcpu);
void xen_setup_runstate_info(int cpu);
void xen_time_setup_guest(void);
void xen_get_runstate_snapshot(struct vcpu_runstate_info *res);
u64 xen_steal_clock(int cpu);
int xen_setup_shutdown_event(void);
extern unsigned long *xen_contiguous_bitmap;
#ifdef CONFIG_XEN_PV
int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle);
void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
#else
static inline int xen_create_contiguous_region(phys_addr_t pstart,
unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle)
{
return 0;
}
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static inline void xen_destroy_contiguous_region(phys_addr_t pstart,
unsigned int order) { }
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#endif
struct vm_area_struct;
/*
* xen_remap_domain_gfn_array() - map an array of foreign frames
* @vma: VMA to map the pages into
* @addr: Address at which to map the pages
* @gfn: Array of GFNs to map
* @nr: Number entries in the GFN array
* @err_ptr: Returns per-GFN error status.
* @prot: page protection mask
* @domid: Domain owning the pages
* @pages: Array of pages if this domain has an auto-translated physmap
*
* @gfn and @err_ptr may point to the same buffer, the GFNs will be
* overwritten by the error codes after they are mapped.
*
* Returns the number of successfully mapped frames, or a -ve error
* code.
*/
int xen_remap_domain_gfn_array(struct vm_area_struct *vma,
unsigned long addr,
xen_pfn_t *gfn, int nr,
int *err_ptr, pgprot_t prot,
unsigned domid,
struct page **pages);
/* xen_remap_domain_gfn_range() - map a range of foreign frames
* @vma: VMA to map the pages into
* @addr: Address at which to map the pages
* @gfn: First GFN to map.
* @nr: Number frames to map
* @prot: page protection mask
* @domid: Domain owning the pages
* @pages: Array of pages if this domain has an auto-translated physmap
*
* Returns the number of successfully mapped frames, or a -ve error
* code.
*/
int xen_remap_domain_gfn_range(struct vm_area_struct *vma,
unsigned long addr,
xen_pfn_t gfn, int nr,
pgprot_t prot, unsigned domid,
struct page **pages);
int xen_unmap_domain_gfn_range(struct vm_area_struct *vma,
int numpgs, struct page **pages);
int xen_xlate_remap_gfn_array(struct vm_area_struct *vma,
unsigned long addr,
xen_pfn_t *gfn, int nr,
int *err_ptr, pgprot_t prot,
unsigned domid,
struct page **pages);
int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma,
int nr, struct page **pages);
int xen_xlate_map_ballooned_pages(xen_pfn_t **pfns, void **vaddr,
unsigned long nr_grant_frames);
bool xen_running_on_version_or_later(unsigned int major, unsigned int minor);
efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc);
efi_status_t xen_efi_set_time(efi_time_t *tm);
efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending,
efi_time_t *tm);
efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm);
efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor,
u32 *attr, unsigned long *data_size,
void *data);
efi_status_t xen_efi_get_next_variable(unsigned long *name_size,
efi_char16_t *name, efi_guid_t *vendor);
efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor,
u32 attr, unsigned long data_size,
void *data);
efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space,
u64 *remaining_space,
u64 *max_variable_size);
efi_status_t xen_efi_get_next_high_mono_count(u32 *count);
efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules,
unsigned long count, unsigned long sg_list);
efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules,
unsigned long count, u64 *max_size,
int *reset_type);
void xen_efi_reset_system(int reset_type, efi_status_t status,
unsigned long data_size, efi_char16_t *data);
#ifdef CONFIG_PREEMPT
static inline void xen_preemptible_hcall_begin(void)
{
}
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static inline void xen_preemptible_hcall_end(void)
{
}
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#else
DECLARE_PER_CPU(bool, xen_in_preemptible_hcall);
static inline void xen_preemptible_hcall_begin(void)
{
__this_cpu_write(xen_in_preemptible_hcall, true);
}
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static inline void xen_preemptible_hcall_end(void)
{
__this_cpu_write(xen_in_preemptible_hcall, false);
}
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#endif /* CONFIG_PREEMPT */
#endif /* INCLUDE_XEN_OPS_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Shannon Zhao | 187 | 27.95% | 2 | 6.67% |
| David Vrabel | 153 | 22.87% | 3 | 10.00% |
| Vitaly Kuznetsov | 70 | 10.46% | 3 | 10.00% |
| Ian Campbell | 51 | 7.62% | 4 | 13.33% |
| Stefano Stabellini | 40 | 5.98% | 4 | 13.33% |
| Isaku Yamahata | 32 | 4.78% | 2 | 6.67% |
| Julien Grall | 30 | 4.48% | 3 | 10.00% |
| Alex Nixon | 28 | 4.19% | 1 | 3.33% |
| Stanislaw Gruszka | 21 | 3.14% | 1 | 3.33% |
| Juergen Gross | 13 | 1.94% | 2 | 6.67% |
| Jeremy Fitzhardinge | 12 | 1.79% | 1 | 3.33% |
| Konrad Rzeszutek Wilk | 12 | 1.79% | 1 | 3.33% |
| Daniel Kiper | 11 | 1.64% | 1 | 3.33% |
| Boris Ostrovsky | 6 | 0.90% | 1 | 3.33% |
| David Howells | 3 | 0.45% | 1 | 3.33% |
| Total | 669 | 100.00% | 30 | 100.00% |
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