forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.8 KiB
150 lines
4.8 KiB
#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); |
|
} |
|
|
|
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_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; |
|
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); |
|
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); |
|
|
|
#ifdef CONFIG_PREEMPT |
|
|
|
static inline void xen_preemptible_hcall_begin(void) |
|
{ |
|
} |
|
|
|
static inline void xen_preemptible_hcall_end(void) |
|
{ |
|
} |
|
|
|
#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); |
|
} |
|
|
|
static inline void xen_preemptible_hcall_end(void) |
|
{ |
|
__this_cpu_write(xen_in_preemptible_hcall, false); |
|
} |
|
|
|
#endif /* CONFIG_PREEMPT */ |
|
|
|
#endif /* INCLUDE_XEN_OPS_H */
|
|
|