Differential D30996 Diff 123933 sys/amd64/include/xen/hypercall.h

Changeset View

Standalone View

sys/amd64/include/xen/hypercall.h

This file was copied to sys/xen/hypercall.h.

	/******************************************************************************			/******************************************************************************
				* SPDX-License-Identifier: MIT OR GPL-2.0-only
				*
	* hypercall.h			* hypercall.h
	*			*
	* FreeBSD-specific hypervisor handling.			* FreeBSD-specific hypervisor handling.
	*			*
	* Copyright (c) 2002-2004, K A Fraser			* Copyright (c) 2002-2004, K A Fraser
	*			*
	* 64-bit updates:			* 64-bit updates:
	* Benjamin Liu <benjamin.liu@intel.com>			* Benjamin Liu <benjamin.liu@intel.com>
	* Jun Nakajima <jun.nakajima@intel.com>			* Jun Nakajima <jun.nakajima@intel.com>
	*			*
	* This program is free software; you can redistribute it and/or			* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License version 2			* modify it under the terms of the GNU General Public License version 2
	* as published by the Free Software Foundation; or, when distributed			* as published by the Free Software Foundation; or, when distributed
	* separately from the Linux kernel or incorporated into other			* separately from the Linux kernel or incorporated into other
	* software packages, subject to the following license:			* software packages, subject to the following license:
	*			*
	* Permission is hereby granted, free of charge, to any person obtaining a copy			* Permission is hereby granted, free of charge, to any person obtaining a copy
	* of this source file (the "Software"), to deal in the Software without			* of this source file (the "Software"), to deal in the Software without
	* restriction, including without limitation the rights to use, copy, modify,			* restriction, including without limitation the rights to use, copy, modify,
	* merge, publish, distribute, sublicense, and/or sell copies of the Software,			* merge, publish, distribute, sublicense, and/or sell copies of the Software,
	* and to permit persons to whom the Software is furnished to do so, subject to			* and to permit persons to whom the Software is furnished to do so, subject to
	* the following conditions:			* the following conditions:
	*			*
	* The above copyright notice and this permission notice shall be included in			* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.			* all copies or substantial portions of the Software.
	*			*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS			* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.			* IN THE SOFTWARE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef __MACHINE_XEN_HYPERCALL_H__			#ifndef __MACHINE_XEN_HYPERCALL_H__
	#define __MACHINE_XEN_HYPERCALL_H__			#define __MACHINE_XEN_HYPERCALL_H__

	#include <sys/systm.h>

	#ifndef __XEN_HYPERVISOR_H__			#ifndef __XEN_HYPERVISOR_H__
	# error "please don't include this file directly"			# error "please don't include this file directly"
	#endif			#endif

	extern char *hypercall_page;			extern char *hypercall_page;

	#define __STR(x) #x			#define __STR(x) #x
	#define STR(x) __STR(x)			#define STR(x) __STR(x)
	#define __must_check			#define __must_check

	#define HYPERCALL_STR(name) \			#define HYPERCALL_STR(name) \
	"call hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"			"call hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"

	#define _hypercall0(type, name) \			#define _hypercall0(type, name) \
	({ \			({ \
	type __res; \			type __res; \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res) \			: "=a" (__res) \
	: \			: \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})

	#define _hypercall1(type, name, a1) \			#define _hypercall1(type, name, a1) \
	({ \			({ \
	type __res; \			type __res; \
	long __ign1; \			long __ign1; \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res), "=D" (__ign1) \			: "=a" (__res), "=D" (__ign1) \
	: "1" ((long)(a1)) \			: "1" ((long)(a1)) \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})

	#define _hypercall2(type, name, a1, a2) \			#define _hypercall2(type, name, a1, a2) \
	({ \			({ \
	type __res; \			type __res; \
	long __ign1, __ign2; \			long __ign1, __ign2; \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res), "=D" (__ign1), "=S" (__ign2) \			: "=a" (__res), "=D" (__ign1), "=S" (__ign2) \
	: "1" ((long)(a1)), "2" ((long)(a2)) \			: "1" ((long)(a1)), "2" ((long)(a2)) \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})

	#define _hypercall3(type, name, a1, a2, a3) \			#define _hypercall3(type, name, a1, a2, a3) \
	({ \			({ \
	type __res; \			type __res; \
	long __ign1, __ign2, __ign3; \			long __ign1, __ign2, __ign3; \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \			: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
	"=d" (__ign3) \			"=d" (__ign3) \
	: "1" ((long)(a1)), "2" ((long)(a2)), \			: "1" ((long)(a1)), "2" ((long)(a2)), \
	"3" ((long)(a3)) \			"3" ((long)(a3)) \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})

	#define _hypercall4(type, name, a1, a2, a3, a4) \			#define _hypercall4(type, name, a1, a2, a3, a4) \
	({ \			({ \
	type __res; \			type __res; \
	long __ign1, __ign2, __ign3; \			long __ign1, __ign2, __ign3; \
	register long __arg4 __asm__("r10") = (long)(a4); \			register long __arg4 __asm__("r10") = (long)(a4); \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \			: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
	"=d" (__ign3), "+r" (__arg4) \			"=d" (__ign3), "+r" (__arg4) \
	: "1" ((long)(a1)), "2" ((long)(a2)), \			: "1" ((long)(a1)), "2" ((long)(a2)), \
	"3" ((long)(a3)) \			"3" ((long)(a3)) \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})

	#define _hypercall5(type, name, a1, a2, a3, a4, a5) \			#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
	({ \			({ \
	type __res; \			type __res; \
	long __ign1, __ign2, __ign3; \			long __ign1, __ign2, __ign3; \
	register long __arg4 __asm__("r10") = (long)(a4); \			register long __arg4 __asm__("r10") = (long)(a4); \
	register long __arg5 __asm__("r8") = (long)(a5); \			register long __arg5 __asm__("r8") = (long)(a5); \
	__asm__ volatile ( \			__asm__ volatile ( \
	HYPERCALL_STR(name) \			HYPERCALL_STR(name) \
	: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \			: "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
	"=d" (__ign3), "+r" (__arg4), "+r" (__arg5) \			"=d" (__ign3), "+r" (__arg4), "+r" (__arg5) \
	: "1" ((long)(a1)), "2" ((long)(a2)), \			: "1" ((long)(a1)), "2" ((long)(a2)), \
	"3" ((long)(a3)) \			"3" ((long)(a3)) \
	: "memory" ); \			: "memory" ); \
	__res; \			__res; \
	})			})
	Show All 23 Lines

	static inline int __must_check			static inline int __must_check
	HYPERVISOR_set_trap_table(			HYPERVISOR_set_trap_table(
	const trap_info_t *table)			const trap_info_t *table)
	{			{
	return _hypercall1(int, set_trap_table, table);			return _hypercall1(int, set_trap_table, table);
	}			}

	static inline int __must_check
	HYPERVISOR_mmu_update(
	mmu_update_t req, unsigned int count, unsigned int success_count,
	domid_t domid)
	{
	return _hypercall4(int, mmu_update, req, count, success_count, domid);
	}

	static inline int __must_check
	HYPERVISOR_mmuext_op(
	struct mmuext_op op, unsigned int count, unsigned int success_count,
	domid_t domid)
	{
	return _hypercall4(int, mmuext_op, op, count, success_count, domid);
	}

	static inline int __must_check
	HYPERVISOR_set_gdt(
	unsigned long *frame_list, unsigned int entries)
	{
	return _hypercall2(int, set_gdt, frame_list, entries);
	}

	static inline int __must_check
	HYPERVISOR_stack_switch(
	unsigned long ss, unsigned long esp)
	{
	return _hypercall2(int, stack_switch, ss, esp);
	}

	static inline int __must_check
	HYPERVISOR_set_callbacks(
	unsigned long event_address, unsigned long failsafe_address,
	unsigned long syscall_address)
	{
	return _hypercall3(int, set_callbacks,
	event_address, failsafe_address, syscall_address);
	}

	static inline int
	HYPERVISOR_fpu_taskswitch(
	int set)
	{
	return _hypercall1(int, fpu_taskswitch, set);
	}

	static inline int __must_check
	HYPERVISOR_sched_op(
	int cmd, void *arg)
	{
	return _hypercall2(int, sched_op, cmd, arg);
	}

	static inline long __must_check
	HYPERVISOR_set_timer_op(
	uint64_t timeout)
	{
	return _hypercall1(long, set_timer_op, timeout);
	}

	static inline int __must_check
	HYPERVISOR_platform_op(
	struct xen_platform_op *platform_op)
	{
	platform_op->interface_version = XENPF_INTERFACE_VERSION;
	return _hypercall1(int, platform_op, platform_op);
	}

	static inline int __must_check
	HYPERVISOR_set_debugreg(
	unsigned int reg, unsigned long value)
	{
	return _hypercall2(int, set_debugreg, reg, value);
	}

	static inline unsigned long __must_check
	HYPERVISOR_get_debugreg(
	unsigned int reg)
	{
	return _hypercall1(unsigned long, get_debugreg, reg);
	}

	static inline int __must_check
	HYPERVISOR_update_descriptor(
	unsigned long ma, unsigned long word)
	{
	return _hypercall2(int, update_descriptor, ma, word);
	}

	static inline int __must_check
	HYPERVISOR_memory_op(
	unsigned int cmd, void *arg)
	{
	return _hypercall2(int, memory_op, cmd, arg);
	}

	static inline int __must_check
	HYPERVISOR_multicall(
	multicall_entry_t *call_list, unsigned int nr_calls)
	{
	return _hypercall2(int, multicall, call_list, nr_calls);
	}

	static inline int __must_check
	HYPERVISOR_update_va_mapping(
	unsigned long va, uint64_t new_val, unsigned long flags)
	{
	return _hypercall3(int, update_va_mapping, va, new_val, flags);
	}

	static inline int __must_check
	HYPERVISOR_event_channel_op(
	int cmd, void *arg)
	{
	return _hypercall2(int, event_channel_op, cmd, arg);
	}

	static inline int __must_check
	HYPERVISOR_xen_version(
	int cmd, void *arg)
	{
	return _hypercall2(int, xen_version, cmd, arg);
	}

	static inline int __must_check
	HYPERVISOR_console_io(
	int cmd, unsigned int count, const char *str)
	{
	return _hypercall3(int, console_io, cmd, count, str);
	}

	static inline int __must_check
	HYPERVISOR_physdev_op(
	int cmd, void *arg)
	{
	return _hypercall2(int, physdev_op, cmd, arg);
	}

	static inline int __must_check
	HYPERVISOR_grant_table_op(
	unsigned int cmd, void *uop, unsigned int count)
	{
	return _hypercall3(int, grant_table_op, cmd, uop, count);
	}

	static inline int __must_check
	HYPERVISOR_update_va_mapping_otherdomain(
	unsigned long va, uint64_t new_val, unsigned long flags, domid_t domid)
	{
	return _hypercall4(int, update_va_mapping_otherdomain, va,
	new_val, flags, domid);
	}

	static inline int __must_check
	HYPERVISOR_vm_assist(
	unsigned int cmd, unsigned int type)
	{
	return _hypercall2(int, vm_assist, cmd, type);
	}

	static inline int __must_check
	HYPERVISOR_vcpu_op(
	int cmd, unsigned int vcpuid, void *extra_args)
	{
	return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
	}

	static inline int __must_check
	HYPERVISOR_set_segment_base(
	int reg, unsigned long value)
	{
	return _hypercall2(int, set_segment_base, reg, value);
	}

	static inline int __must_check
	HYPERVISOR_suspend(
	unsigned long srec)
	{
	struct sched_shutdown sched_shutdown = {
	.reason = SHUTDOWN_suspend
	};

	return _hypercall3(int, sched_op, SCHEDOP_shutdown,
	&sched_shutdown, srec);
	}

	static inline unsigned long __must_check
	HYPERVISOR_hvm_op(
	int op, void *arg)
	{
	return _hypercall2(unsigned long, hvm_op, op, arg);
	}

	static inline int __must_check
	HYPERVISOR_callback_op(
	int cmd, const void *arg)
	{
	return _hypercall2(int, callback_op, cmd, arg);
	}

	static inline int __must_check
	HYPERVISOR_xenoprof_op(
	int op, void *arg)
	{
	return _hypercall2(int, xenoprof_op, op, arg);
	}

	static inline int __must_check
	HYPERVISOR_kexec_op(
	unsigned long op, void *args)
	{
	return _hypercall2(int, kexec_op, op, args);
	}

	static inline int __must_check
	HYPERVISOR_dm_op(
	domid_t domid, unsigned int nr_bufs, const void *bufs)
	{
	return _hypercall3(int, dm_op, domid, nr_bufs, bufs);
	}

	#undef __must_check			#undef __must_check

				#include <xen/hypercall.h>

	#endif /* __MACHINE_XEN_HYPERCALL_H__ */			#endif /* __MACHINE_XEN_HYPERCALL_H__ */