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  *   €l–Ь4э( ©і( 	ЕЂfаB¦-яБѓз_†I|ҐЏ+БА ш    /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__LINUX_KVM_PARA_H
#define _UAPI__LINUX_KVM_PARA_H

/*
 * This header file provides a method for making a hypercall to the host
 * Architectures should define:
 * - kvm_hypercall0, kvm_hypercall1...
 * - kvm_arch_para_features
 * - kvm_para_available
 */

/* Return values for hypercalls */
#define KVM_ENOSYS		1000
#define KVM_EFAULT		EFAULT
#define KVM_EINVAL		EINVAL
#define KVM_E2BIG		E2BIG
#define KVM_EPERM		EPERM
#define KVM_EOPNOTSUPP		95

#define KVM_HC_VAPIC_POLL_IRQ		1
#define KVM_HC_MMU_OP			2
#define KVM_HC_FEATURES			3
#define KVM_HC_PPC_MAP_MAGIC_PAGE	4
#define KVM_HC_KICK_CPU			5
#define KVM_HC_MIPS_GET_CLOCK_FREQ	6
#define KVM_HC_MIPS_EXIT_VM		7
#define KVM_HC_MIPS_CONSOLE_OUTPUT	8
#define KVM_HC_CLOCK_PAIRING		9
#define KVM_HC_SEND_IPI		10
#define KVM_HC_SCHED_YIELD		11
#define KVM_HC_MAP_GPA_RANGE		12

/*
 * hypercalls use architecture specific
 */
#include <asm/kvm_para.h>

#endif /* _UAPI__LINUX_KVM_PARA_H */
     €їВѓpNѕБА u    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * linux/include/linux/sunrpc/auth.h
 *
 * Declarations for the RPC client authentication machinery.
 *
 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
 */

#ifndef _LINUX_SUNRPC_AUTH_H
#define _LINUX_SUNRPC_AUTH_H

#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/msg_prot.h>
#include <linux/sunrpc/xdr.h>

#include <linux/atomic.h>
#include <linux/rcupdate.h>
#include <linux/uidgid.h>
#include <linux/utsname.h>

/*
 * Maximum size of AUTH_NONE authentication information, in XDR words.
 */
#define NUL_CALLSLACK	(4)
#define NUL_REPLYSLACK	(2)

/*
 * Size of the nodename buffer. RFC1831 specifies a hard limit of 255 bytes,
 * but Linux hostnames are actually limited to __NEW_UTS_LEN bytes.
 */
#define UNX_MAXNODENAME	__NEW_UTS_LEN
#define UNX_CALLSLACK	(21 + XDR_QUADLEN(UNX_MAXNODENAME))
#define UNX_NGROUPS	16

struct rpcsec_gss_info;

struct auth_cred {
	const struct cred *cred;
	const char *principal;	/* If present, this is a machine credential */
};

/*
 * Client user credentials
 */
struct rpc_auth;
struct rpc_credops;
struct rpc_cred {
	struct hlist_node	cr_hash;	/* hash chain */
	struct list_head	cr_lru;		/* lru garbage collection */
	struct rcu_head		cr_rcu;
	struct rpc_auth *	cr_auth;
	const struct rpc_credops *cr_ops;
	unsigned long		cr_expire;	/* when to gc */
	unsigned long		cr_flags;	/* various flags */
	refcount_t		cr_count;	/* ref count */
	const struct cred	*cr_cred;

	/* per-flavor data */
};
#define RPCAUTH_CRED_NEW	0
#define RPCAUTH_CRED_UPTODATE	1
#define RPCAUTH_CRED_HASHED	2
#define RPCAUTH_CRED_NEGATIVE	3

const struct cred *rpc_machine_cred(void);

/*
 * Client authentication handle
 */
struct rpc_cred_cache;
struct rpc_authops;
struct rpc_auth {
	unsigned int		au_cslack;	/* call cred size estimate */
	unsigned int		au_rslack;	/* reply cred size estimate */
	unsigned int		au_verfsize;	/* size of reply verifier */
	unsigned int		au_ralign;	/* words before UL header */

	unsigned long		au_flags;
	const struct rpc_authops *au_ops;
	rpc_authflavor_t	au_flavor;	/* pseudoflavor (note may
						 * differ from the flavor in
						 * au_ops->au_flavor in gss
						 * case) */
	refcount_t		au_count;	/* Reference counter */

	struct rpc_cred_cache *	au_credcache;
	/* per-flavor data */
};

/* rpc_auth au_flags */
#define RPCAUTH_AUTH_DATATOUCH		(1)
#define RPCAUTH_AUTH_UPDATE_SLACK	(2)

struct rpc_auth_create_args {
	rpc_authflavor_t pseudoflavor;
	const char *target_name;
};

/* Flags for rpcauth_lookupcred() */
#define RPCAUTH_LOOKUP_NEW		0x01	/* Accept an uninitialised cred */
#define RPCAUTH_LOOKUP_ASYNC		0x02	/* Don't block waiting for memory */

/*
 * Client authentication ops
 */
struct rpc_authops {
	struct module		*owner;
	rpc_authflavor_t	au_flavor;	/* flavor (RPC_AUTH_*) */
	char *			au_name;
	struct rpc_auth *	(*create)(const struct rpc_auth_create_args *,
					  struct rpc_clnt *);
	void			(*destroy)(struct rpc_auth *);

	int			(*hash_cred)(struct auth_cred *,