diff options
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/grant_table.h | 5 | ||||
| -rw-r--r-- | include/xen/interface/vcpu.h | 42 | ||||
| -rw-r--r-- | include/xen/xen-ops.h | 25 |
3 files changed, 71 insertions, 1 deletions
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h index 34b1379f9777..2e37741f6b8d 100644 --- a/include/xen/grant_table.h +++ b/include/xen/grant_table.h @@ -174,10 +174,13 @@ gnttab_set_unmap_op(struct gnttab_unmap_grant_ref *unmap, phys_addr_t addr, unmap->dev_bus_addr = 0; } -int arch_gnttab_init(unsigned long nr_shared); +int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status); int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes, unsigned long max_nr_gframes, void **__shared); +int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes, + unsigned long max_nr_gframes, + grant_status_t **__shared); void arch_gnttab_unmap(void *shared, unsigned long nr_gframes); struct grant_frames { diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h index 98188c87f5c1..504c71601511 100644 --- a/include/xen/interface/vcpu.h +++ b/include/xen/interface/vcpu.h @@ -178,4 +178,46 @@ DEFINE_GUEST_HANDLE_STRUCT(vcpu_register_vcpu_info); /* Send an NMI to the specified VCPU. @extra_arg == NULL. */ #define VCPUOP_send_nmi 11 + +/* + * Get the physical ID information for a pinned vcpu's underlying physical + * processor. The physical ID informmation is architecture-specific. + * On x86: id[31:0]=apic_id, id[63:32]=acpi_id. + * This command returns -EINVAL if it is not a valid operation for this VCPU. + */ +#define VCPUOP_get_physid 12 /* arg == vcpu_get_physid_t */ +struct vcpu_get_physid { + uint64_t phys_id; +}; +DEFINE_GUEST_HANDLE_STRUCT(vcpu_get_physid); +#define xen_vcpu_physid_to_x86_apicid(physid) ((uint32_t)(physid)) +#define xen_vcpu_physid_to_x86_acpiid(physid) ((uint32_t)((physid) >> 32)) + +/* + * Register a memory location to get a secondary copy of the vcpu time + * parameters. The master copy still exists as part of the vcpu shared + * memory area, and this secondary copy is updated whenever the master copy + * is updated (and using the same versioning scheme for synchronisation). + * + * The intent is that this copy may be mapped (RO) into userspace so + * that usermode can compute system time using the time info and the + * tsc. Usermode will see an array of vcpu_time_info structures, one + * for each vcpu, and choose the right one by an existing mechanism + * which allows it to get the current vcpu number (such as via a + * segment limit). It can then apply the normal algorithm to compute + * system time from the tsc. + * + * @extra_arg == pointer to vcpu_register_time_info_memory_area structure. + */ +#define VCPUOP_register_vcpu_time_memory_area 13 +DEFINE_GUEST_HANDLE_STRUCT(vcpu_time_info); +struct vcpu_register_time_memory_area { + union { + GUEST_HANDLE(vcpu_time_info) h; + struct pvclock_vcpu_time_info *v; + uint64_t p; + } addr; +}; +DEFINE_GUEST_HANDLE_STRUCT(vcpu_register_time_memory_area); + #endif /* __XEN_PUBLIC_VCPU_H__ */ diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index a95e65ec83c3..fd23e42c6024 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -33,6 +33,7 @@ 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); @@ -104,6 +105,8 @@ int xen_remap_domain_gfn_range(struct vm_area_struct *vma, struct page **pages); int xen_unmap_domain_gfn_range(struct vm_area_struct *vma, int numpgs, struct page **pages); + +#ifdef CONFIG_XEN_AUTO_XLATE int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *gfn, int nr, @@ -112,6 +115,28 @@ int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, struct page **pages); int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, int nr, struct page **pages); +#else +/* + * These two functions are called from arch/x86/xen/mmu.c and so stubs + * are needed for a configuration not specifying CONFIG_XEN_AUTO_XLATE. + */ +static inline 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 int domid, + struct page **pages) +{ + return -EOPNOTSUPP; +} + +static inline int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, + int nr, struct page **pages) +{ + return -EOPNOTSUPP; +} +#endif + int xen_xlate_map_ballooned_pages(xen_pfn_t **pfns, void **vaddr, unsigned long nr_grant_frames); |