diff options
Diffstat (limited to 'include/xen/xen-ops.h')
| -rw-r--r-- | include/xen/xen-ops.h | 102 |
1 files changed, 33 insertions, 69 deletions
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 4969817124a8..496e6013c689 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -5,6 +5,8 @@ #include <linux/percpu.h> #include <linux/notifier.h> #include <linux/efi.h> +#include <linux/virtio_anchor.h> +#include <xen/xen.h> #include <xen/features.h> #include <asm/xen/interface.h> #include <xen/interface/vcpu.h> @@ -29,47 +31,26 @@ 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_manage_runstate_time(int action); -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; -#if defined(CONFIG_XEN_PV) || defined(CONFIG_ARM) || defined(CONFIG_ARM64) -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; -} - -static inline void xen_destroy_contiguous_region(phys_addr_t pstart, - unsigned int order) { } -#endif - #if defined(CONFIG_XEN_PV) int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot, - unsigned int domid, bool no_translate, struct page **pages); + unsigned int domid, bool no_translate); #else static inline int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot, unsigned int domid, - bool no_translate, struct page **pages) + bool no_translate) { BUG(); return 0; @@ -109,6 +90,9 @@ static inline int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, } #endif +int xen_remap_vma_range(struct vm_area_struct *vma, unsigned long addr, + unsigned long len); + /* * xen_remap_domain_gfn_array() - map an array of foreign frames by gfn * @vma: VMA to map the pages into @@ -133,7 +117,7 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, unsigned int domid, struct page **pages) { - if (xen_feature(XENFEAT_auto_translated_physmap)) + if (!xen_pv_domain()) return xen_xlate_remap_gfn_array(vma, addr, gfn, nr, err_ptr, prot, domid, pages); @@ -143,7 +127,7 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, */ BUG_ON(err_ptr == NULL); return xen_remap_pfn(vma, addr, gfn, nr, err_ptr, prot, domid, - false, pages); + false); } /* @@ -155,7 +139,6 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, * @err_ptr: Returns per-MFN error status. * @prot: page protection mask * @domid: Domain owning the pages - * @pages: Array of pages if this domain has an auto-translated physmap * * @mfn and @err_ptr may point to the same buffer, the MFNs will be * overwritten by the error codes after they are mapped. @@ -166,14 +149,13 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, static inline int xen_remap_domain_mfn_array(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *mfn, int nr, int *err_ptr, - pgprot_t prot, unsigned int domid, - struct page **pages) + pgprot_t prot, unsigned int domid) { - if (xen_feature(XENFEAT_auto_translated_physmap)) + if (!xen_pv_domain()) return -EOPNOTSUPP; return xen_remap_pfn(vma, addr, mfn, nr, err_ptr, prot, domid, - true, pages); + true); } /* xen_remap_domain_gfn_range() - map a range of foreign frames @@ -194,11 +176,10 @@ static inline int xen_remap_domain_gfn_range(struct vm_area_struct *vma, pgprot_t prot, unsigned int domid, struct page **pages) { - if (xen_feature(XENFEAT_auto_translated_physmap)) + if (!xen_pv_domain()) return -EOPNOTSUPP; - return xen_remap_pfn(vma, addr, &gfn, nr, NULL, prot, domid, false, - pages); + return xen_remap_pfn(vma, addr, &gfn, nr, NULL, prot, domid, false); } int xen_unmap_domain_gfn_range(struct vm_area_struct *vma, @@ -209,43 +190,10 @@ int xen_xlate_map_ballooned_pages(xen_pfn_t **pfns, void **vaddr, 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) -{ -} +void xen_efi_runtime_setup(void); -static inline void xen_preemptible_hcall_end(void) -{ -} -#else +#if defined(CONFIG_XEN_PV) && !defined(CONFIG_PREEMPTION) DECLARE_PER_CPU(bool, xen_in_preemptible_hcall); @@ -259,6 +207,22 @@ static inline void xen_preemptible_hcall_end(void) __this_cpu_write(xen_in_preemptible_hcall, false); } -#endif /* CONFIG_PREEMPT */ +#else + +static inline void xen_preemptible_hcall_begin(void) { } +static inline void xen_preemptible_hcall_end(void) { } + +#endif /* CONFIG_XEN_PV && !CONFIG_PREEMPTION */ + +#ifdef CONFIG_XEN_GRANT_DMA_OPS +bool xen_virtio_restricted_mem_acc(struct virtio_device *dev); +#else +struct virtio_device; + +static inline bool xen_virtio_restricted_mem_acc(struct virtio_device *dev) +{ + return false; +} +#endif /* CONFIG_XEN_GRANT_DMA_OPS */ #endif /* INCLUDE_XEN_OPS_H */ |
