130 lines
5.5 KiB
C
130 lines
5.5 KiB
C
/****************************************************************************
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* fs/v9fs/client.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __FS_V9FS_CLIENT_H
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#define __FS_V9FS_CLIENT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/idr.h>
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#include <nuttx/list.h>
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#include <nuttx/mutex.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/uio.h>
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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struct v9fs_payload_s
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{
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FAR struct iovec *wiov;
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FAR struct iovec *riov;
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struct list_node node;
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size_t wcount;
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size_t rcount;
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sem_t resp;
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uint16_t tag;
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int ret;
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};
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struct v9fs_transport_s
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{
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FAR const struct v9fs_transport_ops_s *ops;
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/* The remainder of the structure is used by the "lower-half" driver
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* for whatever state storage that it may need.
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*/
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};
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struct v9fs_transport_ops_s
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{
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CODE int (*create)(FAR struct v9fs_transport_s **transport,
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FAR const char *args);
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CODE int (*request)(FAR struct v9fs_transport_s *transport,
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FAR struct v9fs_payload_s *payload);
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CODE void (*destroy)(FAR struct v9fs_transport_s *transport);
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};
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struct v9fs_client_s
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{
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FAR struct v9fs_transport_s *transport;
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FAR struct idr_s *fids;
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unsigned int msize;
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uint32_t root_fid;
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uint32_t tag_id;
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mutex_t lock;
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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int v9fs_client_statfs(FAR struct v9fs_client_s *client,
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FAR struct statfs *buf);
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int v9fs_client_stat(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR struct stat *buf);
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off_t v9fs_client_getsize(FAR struct v9fs_client_s *client, uint32_t fid);
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int v9fs_client_chstat(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR const struct stat *buf, int flags);
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ssize_t v9fs_client_read(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR void *buffer, off_t offset, size_t buflen);
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ssize_t v9fs_client_convertdir(FAR const uint8_t *buffer, size_t bufsize,
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off_t head, FAR off_t *offset,
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FAR struct dirent *entry);
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ssize_t v9fs_client_readdir(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR void *buffer, off_t offset, size_t buflen);
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ssize_t v9fs_client_write(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR const void *buffer, off_t offset,
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size_t buflen);
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int v9fs_client_fsync(FAR struct v9fs_client_s *client, uint32_t fid);
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int v9fs_client_rename(FAR struct v9fs_client_s *client, uint32_t fid,
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uint32_t newfid, FAR const char *name);
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int v9fs_client_remove(FAR struct v9fs_client_s *client, uint32_t fid);
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int v9fs_client_unlink(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR const char *name, bool isdir);
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int v9fs_client_mkdir(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR const char *name, int mode);
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int v9fs_client_create(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR const char *name, int oflags, int mode);
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int v9fs_client_open(FAR struct v9fs_client_s *client,
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uint32_t fid, int oflags);
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int v9fs_client_getname(FAR struct v9fs_client_s *client, uint32_t fid,
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FAR char *path);
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int v9fs_client_walk(FAR struct v9fs_client_s *client, FAR const char *path,
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FAR const char **childname);
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int v9fs_client_init(FAR struct v9fs_client_s *client, FAR const char *data);
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int v9fs_client_uninit(FAR struct v9fs_client_s *client);
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int v9fs_transport_create(FAR struct v9fs_transport_s **transport,
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FAR const char *trans_type, FAR const char *data);
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int v9fs_transport_request(FAR struct v9fs_transport_s *transport,
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FAR struct v9fs_payload_s *payload);
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void v9fs_transport_destroy(FAR struct v9fs_transport_s *transport);
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void v9fs_transport_done(FAR struct v9fs_payload_s *cookie, int ret);
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int v9fs_fid_put(FAR struct v9fs_client_s *client, uint32_t fid);
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int v9fs_fid_get(FAR struct v9fs_client_s *client, uint32_t fid);
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#endif /* __FS_V9FS_CLIENT_H */
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