diff options
Diffstat (limited to 'arch/arm/include/asm/xen/interface.h')
-rw-r--r-- | arch/arm/include/asm/xen/interface.h | 86 |
1 files changed, 1 insertions, 85 deletions
diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h index 75d596862892..88c0d75da190 100644 --- a/arch/arm/include/asm/xen/interface.h +++ b/arch/arm/include/asm/xen/interface.h @@ -1,85 +1 @@ -/****************************************************************************** - * Guest OS interface to ARM Xen. - * - * Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Citrix, 2012 - */ - -#ifndef _ASM_ARM_XEN_INTERFACE_H -#define _ASM_ARM_XEN_INTERFACE_H - -#include <linux/types.h> - -#define uint64_aligned_t uint64_t __attribute__((aligned(8))) - -#define __DEFINE_GUEST_HANDLE(name, type) \ - typedef struct { union { type *p; uint64_aligned_t q; }; } \ - __guest_handle_ ## name - -#define DEFINE_GUEST_HANDLE_STRUCT(name) \ - __DEFINE_GUEST_HANDLE(name, struct name) -#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name) -#define GUEST_HANDLE(name) __guest_handle_ ## name - -#define set_xen_guest_handle(hnd, val) \ - do { \ - if (sizeof(hnd) == 8) \ - *(uint64_t *)&(hnd) = 0; \ - (hnd).p = val; \ - } while (0) - -#define __HYPERVISOR_platform_op_raw __HYPERVISOR_platform_op - -#ifndef __ASSEMBLY__ -/* Explicitly size integers that represent pfns in the interface with - * Xen so that we can have one ABI that works for 32 and 64 bit guests. - * Note that this means that the xen_pfn_t type may be capable of - * representing pfn's which the guest cannot represent in its own pfn - * type. However since pfn space is controlled by the guest this is - * fine since it simply wouldn't be able to create any sure pfns in - * the first place. - */ -typedef uint64_t xen_pfn_t; -#define PRI_xen_pfn "llx" -typedef uint64_t xen_ulong_t; -#define PRI_xen_ulong "llx" -typedef int64_t xen_long_t; -#define PRI_xen_long "llx" -/* Guest handles for primitive C types. */ -__DEFINE_GUEST_HANDLE(uchar, unsigned char); -__DEFINE_GUEST_HANDLE(uint, unsigned int); -DEFINE_GUEST_HANDLE(char); -DEFINE_GUEST_HANDLE(int); -DEFINE_GUEST_HANDLE(void); -DEFINE_GUEST_HANDLE(uint64_t); -DEFINE_GUEST_HANDLE(uint32_t); -DEFINE_GUEST_HANDLE(xen_pfn_t); -DEFINE_GUEST_HANDLE(xen_ulong_t); - -/* Maximum number of virtual CPUs in multi-processor guests. */ -#define MAX_VIRT_CPUS 1 - -struct arch_vcpu_info { }; -struct arch_shared_info { }; - -/* TODO: Move pvclock definitions some place arch independent */ -struct pvclock_vcpu_time_info { - u32 version; - u32 pad0; - u64 tsc_timestamp; - u64 system_time; - u32 tsc_to_system_mul; - s8 tsc_shift; - u8 flags; - u8 pad[2]; -} __attribute__((__packed__)); /* 32 bytes */ - -/* It is OK to have a 12 bytes struct with no padding because it is packed */ -struct pvclock_wall_clock { - u32 version; - u32 sec; - u32 nsec; - u32 sec_hi; -} __attribute__((__packed__)); -#endif - -#endif /* _ASM_ARM_XEN_INTERFACE_H */ +#include <xen/arm/interface.h> |