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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687/* SPDX-License-Identifier: GPL-2.0 *//****************************************************************************** * 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 __ASSEMBLER__/* 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 */