linux/fs/afs/vlclient.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* AFS Volume Location Service client
 *
 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/sched.h>
#include "afs_fs.h"
#include "internal.h"

/*
 * Deliver reply data to a VL.GetEntryByNameU call.
 */
static int afs_deliver_vl_get_entry_by_name_u(struct afs_call *call)
{ … }

/*
 * VL.GetEntryByNameU operation type.
 */
static const struct afs_call_type afs_RXVLGetEntryByNameU = …;

/*
 * Dispatch a get volume entry by name or ID operation (uuid variant).  If the
 * volname is a decimal number then it's a volume ID not a volume name.
 */
struct afs_vldb_entry *afs_vl_get_entry_by_name_u(struct afs_vl_cursor *vc,
						  const char *volname,
						  int volnamesz)
{ … }

/*
 * Deliver reply data to a VL.GetAddrsU call.
 *
 *	GetAddrsU(IN ListAddrByAttributes *inaddr,
 *		  OUT afsUUID *uuidp1,
 *		  OUT uint32_t *uniquifier,
 *		  OUT uint32_t *nentries,
 *		  OUT bulkaddrs *blkaddrs);
 */
static int afs_deliver_vl_get_addrs_u(struct afs_call *call)
{ … }

/*
 * VL.GetAddrsU operation type.
 */
static const struct afs_call_type afs_RXVLGetAddrsU = …;

/*
 * Dispatch an operation to get the addresses for a server, where the server is
 * nominated by UUID.
 */
struct afs_addr_list *afs_vl_get_addrs_u(struct afs_vl_cursor *vc,
					 const uuid_t *uuid)
{ … }

/*
 * Deliver reply data to an VL.GetCapabilities operation.
 */
static int afs_deliver_vl_get_capabilities(struct afs_call *call)
{ … }

static void afs_destroy_vl_get_capabilities(struct afs_call *call)
{ … }

/*
 * VL.GetCapabilities operation type
 */
static const struct afs_call_type afs_RXVLGetCapabilities = …;

/*
 * Probe a volume server for the capabilities that it supports.  This can
 * return up to 196 words.
 *
 * We use this to probe for service upgrade to determine what the server at the
 * other end supports.
 */
struct afs_call *afs_vl_get_capabilities(struct afs_net *net,
					 struct afs_addr_list *alist,
					 unsigned int addr_index,
					 struct key *key,
					 struct afs_vlserver *server,
					 unsigned int server_index)
{ … }

/*
 * Deliver reply data to a YFSVL.GetEndpoints call.
 *
 *	GetEndpoints(IN yfsServerAttributes *attr,
 *		     OUT opr_uuid *uuid,
 *		     OUT afs_int32 *uniquifier,
 *		     OUT endpoints *fsEndpoints,
 *		     OUT endpoints *volEndpoints)
 */
static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
{ … }

/*
 * YFSVL.GetEndpoints operation type.
 */
static const struct afs_call_type afs_YFSVLGetEndpoints = …;

/*
 * Dispatch an operation to get the addresses for a server, where the server is
 * nominated by UUID.
 */
struct afs_addr_list *afs_yfsvl_get_endpoints(struct afs_vl_cursor *vc,
					      const uuid_t *uuid)
{ … }

/*
 * Deliver reply data to a YFSVL.GetCellName operation.
 */
static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call)
{ … }

/*
 * VL.GetCapabilities operation type
 */
static const struct afs_call_type afs_YFSVLGetCellName = …;

/*
 * Probe a volume server for the capabilities that it supports.  This can
 * return up to 196 words.
 *
 * We use this to probe for service upgrade to determine what the server at the
 * other end supports.
 */
char *afs_yfsvl_get_cell_name(struct afs_vl_cursor *vc)
{ … }