Release 4.7 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);
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_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_get_runstate_snapshot(struct vcpu_runstate_info *res);
int xen_setup_shutdown_event(void);
extern unsigned long *xen_contiguous_bitmap;
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);
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);
bool xen_running_on_version_or_later(unsigned int major, unsigned int minor);
#ifdef CONFIG_XEN_EFI
extern efi_system_table_t *xen_efi_probe(void);
#else
static inline efi_system_table_t __init *xen_efi_probe(void)
{
return NULL;
}
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| Total | 14 | 100.00% | 2 | 100.00% |
#endif
#ifdef CONFIG_PREEMPT
static inline void xen_preemptible_hcall_begin(void)
{
}
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| Total | 8 | 100.00% | 1 | 100.00% |
static inline void xen_preemptible_hcall_end(void)
{
}
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| david vrabel | david vrabel | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
#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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| david vrabel | david vrabel | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static inline void xen_preemptible_hcall_end(void)
{
__this_cpu_write(xen_in_preemptible_hcall, false);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| david vrabel | david vrabel | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_PREEMPT */
#endif /* INCLUDE_XEN_OPS_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| david vrabel | david vrabel | 153 | 38.73% | 3 | 13.64% |
| ian campbell | ian campbell | 51 | 12.91% | 4 | 18.18% |
| stefano stabellini | stefano stabellini | 40 | 10.13% | 4 | 18.18% |
| isaku yamahata | isaku yamahata | 32 | 8.10% | 2 | 9.09% |
| daniel kiper | daniel kiper | 32 | 8.10% | 2 | 9.09% |
| alex nixon | alex nixon | 28 | 7.09% | 1 | 4.55% |
| stanislaw gruszka | stanislaw gruszka | 21 | 5.32% | 1 | 4.55% |
| konrad rzeszutek wilk | konrad rzeszutek wilk | 12 | 3.04% | 1 | 4.55% |
| jeremy fitzhardinge | jeremy fitzhardinge | 12 | 3.04% | 1 | 4.55% |
| boris ostrovsky | boris ostrovsky | 6 | 1.52% | 1 | 4.55% |
| julien grall | julien grall | 5 | 1.27% | 1 | 4.55% |
| david howells | david howells | 3 | 0.76% | 1 | 4.55% |
| Total | 395 | 100.00% | 22 | 100.00% |
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