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+/******************************************************************************
+ *
+ * Copyright (C) 2003-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the interface file for the synchronization server call-out
+ * functions.
+ *
+ ******************************************************************************/
+#ifndef BTA_FS_CO_H
+#define BTA_FS_CO_H
+
+#include <time.h>
+
+#include "bta_api.h"
+#include "goep_fs.h"
+#include "obx_api.h"
+
+/*****************************************************************************
+** Constants and Data Types
+*****************************************************************************/
+
+#ifndef BTA_FS_CO_MAX_SSN_ENTRIES
+#define BTA_FS_CO_MAX_SSN_ENTRIES 10
+#endif
+
+/* Maximum path length supported by FS_CO */
+#ifndef BTA_FS_CO_PATH_LEN
+#define BTA_FS_CO_PATH_LEN 294
+#endif
+
+#ifndef BTA_FS_CO_TEST_ROOT
+#define BTA_FS_CO_TEST_ROOT "test_files"
+#endif
+
+#define BTA_FS_CO_TEST_TYPE_NONE 0
+#define BTA_FS_CO_TEST_TYPE_REJECT 1
+#define BTA_FS_CO_TEST_TYPE_SUSPEND 2
+
+#ifndef BTA_FS_CO_TEST_AB_END
+#define BTA_FS_CO_TEST_AB_END BTA_FS_CO_TEST_TYPE_NONE
+#endif
+
+/**************************
+** Common Definitions
+***************************/
+
+/* Status codes returned by call-out functions, or in call-in functions as status */
+#define BTA_FS_CO_OK GOEP_OK
+#define BTA_FS_CO_FAIL GOEP_FAIL /* Used to pass all other errors */
+#define BTA_FS_CO_EACCES GOEP_EACCES
+#define BTA_FS_CO_ENOTEMPTY GOEP_ENOTEMPTY
+#define BTA_FS_CO_EOF GOEP_EOF
+#define BTA_FS_CO_EODIR GOEP_EODIR
+#define BTA_FS_CO_ENOSPACE GOEP_ENOSPACE/* Returned in bta_fs_ci_open if no room */
+#define BTA_FS_CO_EIS_DIR GOEP_EIS_DIR
+#define BTA_FS_CO_RESUME GOEP_RESUME /* used in ci_open, on resume */
+#define BTA_FS_CO_NONE GOEP_NONE /* used in ci_open, on resume (no file to resume) */
+
+typedef UINT16 tBTA_FS_CO_STATUS;
+
+/* the index to the permission flags */
+#define BTA_FS_PERM_USER 0
+#define BTA_FS_PERM_GROUP 1
+#define BTA_FS_PERM_OTHER 2
+/* max number of the permission flags */
+#define BTA_FS_PERM_SIZE 3
+
+/* Flags passed to the open function (bta_fs_co_open)
+** Values are OR'd together. (First 3 are
+** mutually exclusive.
+*/
+#define BTA_FS_O_RDONLY GOEP_O_RDONLY
+#define BTA_FS_O_WRONLY GOEP_O_WRONLY
+#define BTA_FS_O_RDWR GOEP_O_RDWR
+
+#define BTA_FS_O_CREAT GOEP_O_CREAT
+#define BTA_FS_O_EXCL GOEP_O_EXCL
+#define BTA_FS_O_TRUNC GOEP_O_TRUNC
+
+#define BTA_FS_O_MODE_MASK(x) (((UINT16)(x)) & 0x0003)
+
+/* Origin for the bta_fs_co_seek function */
+#define BTA_FS_SEEK_SET GOEP_SEEK_SET
+#define BTA_FS_SEEK_CUR GOEP_SEEK_CUR
+#define BTA_FS_SEEK_END GOEP_SEEK_END
+
+/* mode field in bta_fs_co_access callout */
+#define BTA_FS_ACC_EXIST GOEP_ACC_EXIST
+#define BTA_FS_ACC_READ GOEP_ACC_READ
+#define BTA_FS_ACC_RDWR GOEP_ACC_RDWR
+
+#define BTA_FS_LEN_UNKNOWN GOEP_LEN_UNKNOWN
+#define BTA_FS_INVALID_FD GOEP_INVALID_FD
+#define BTA_FS_INVALID_APP_ID (0xFF) /* this app_id is reserved */
+
+/* mode field in tBTA_FS_DIRENTRY (OR'd together) */
+#define BTA_FS_A_RDONLY GOEP_A_RDONLY
+#define BTA_FS_A_DIR GOEP_A_DIR /* Entry is a sub directory */
+
+#define BTA_FS_CTIME_LEN GOEP_CTIME_LEN /* Creation time "yyyymmddTHHMMSSZ" */
+
+/* Return structure type for a directory entry */
+typedef struct
+{
+ UINT32 refdata; /* holder for OS specific data used to get next entry */
+ UINT32 filesize;
+ char crtime[BTA_FS_CTIME_LEN]; /* "yyyymmddTHHMMSSZ", or "" if none */
+ char *p_name; /* Contains the addr of memory to copy name into */
+ UINT8 mode; /* BTA_FS_A_RDONLY and/or BTA_FS_A_DIR */
+} tBTA_FS_DIRENTRY;
+
+/* session state */
+enum
+{
+ BTA_FS_CO_SESS_ST_NONE,
+ BTA_FS_CO_SESS_ST_ACTIVE,
+ BTA_FS_CO_SESS_ST_SUSPEND,
+ BTA_FS_CO_SESS_ST_RESUMING
+};
+typedef UINT8 tBTA_FS_CO_SESS_ST;
+
+
+
+/* a data type to keep an array of ssn/file offset - the info can be saved to NV */
+typedef struct
+{
+ char path[BTA_FS_CO_PATH_LEN + 1]; /* the "current path". path[0]==0-> root */
+ char file[BTA_FS_CO_PATH_LEN + 1]; /* file[0] !=0 on resume -> the previous suspended session had opened files */
+ int oflags; /* the flag to open the file */
+ BD_ADDR bd_addr;
+ UINT8 sess_info[OBX_SESSION_INFO_SIZE];
+ UINT32 offset; /* last file offset */
+ UINT32 timeout; /* the timeout value on suspend */
+ time_t suspend_time; /* the time of suspend */
+ UINT16 nbytes; /* number of bytes for last read/write */
+ UINT8 ssn;
+ UINT8 info; /* info for BTA on the client side */
+ UINT8 app_id;
+ tBTA_FS_CO_SESS_ST sess_st;
+} tBTA_FS_CO_SESSION;
+
+/*****************************************************************************
+** Function Declarations
+*****************************************************************************/
+/**************************
+** Common Functions
+***************************/
+/*******************************************************************************
+**
+** Function bta_fs_co_init
+**
+** Description This function is executed as a part of the start up sequence
+** to make sure the control block is initialized.
+**
+** Parameters void.
+**
+** Returns void
+**
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_init(void);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_open
+**
+** Description This function is executed by BTA when a file is opened.
+** The phone uses this function to open
+** a file for reading or writing.
+**
+** Parameters p_path - Fully qualified path and file name.
+** oflags - permissions and mode (see constants above)
+** size - size of file to put (0 if unavailable or not applicable)
+** evt - event that must be passed into the call-in function.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+** Note: Upon completion of the request, a file descriptor (int),
+** if successful, and an error code (tBTA_FS_CO_STATUS)
+** are returned in the call-in function, bta_fs_ci_open().
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_open(const char *p_path, int oflags, UINT32 size,
+ UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_session_info
+**
+** Description This function is executed by BTA when a reliable session is
+** established (p_sess_info != NULL) or ended (p_sess_info == NULL).
+**
+** Parameters bd_addr - the peer address
+** p_sess_info - the session ID and related information.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_session_info(BD_ADDR bd_addr, UINT8 *p_sess_info, UINT8 ssn,
+ tBTA_FS_CO_SESS_ST new_st, char *p_path, UINT8 *p_info, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_resume_op
+**
+** Description This function is executed by BTA when a reliable session is
+** resumed and there was an interrupted operation.
+**
+** Parameters offset - the session ID and related information.
+** evt - event that must be passed into the call-in function.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_resume_op(UINT32 offset, UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_suspend
+**
+** Description This function is executed by BTA when a reliable session is
+** suspended.
+**
+** Parameters bd_addr - the peer address
+** ssn - the session sequence number.
+** info - the BTA specific information (like last active operation).
+** p_offset- the location to receive object offset of the suspended session
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_suspend(BD_ADDR bd_addr, UINT8 *p_sess_info, UINT8 ssn,
+ UINT32 *p_timeout, UINT32 *p_offset, UINT8 info, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_resume
+**
+** Description This function is executed by BTA when resuming a session.
+** This is used to retrieve the session ID and related information
+**
+** Parameters evt - event that must be passed into the call-in function.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+** Note: Upon completion of the request, the related session information,
+** if successful, and an error code (tBTA_FS_CO_STATUS)
+** are returned in the call-in function, bta_fs_ci_resume().
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_resume(UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_sess_ssn
+**
+** Description This function is executed by BTA when resuming a session.
+** This is used to inform call-out module if the ssn/file offset
+** needs to be adjusted.
+**
+** Parameters ssn - the session sequence number of the first request
+** after resume.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_sess_ssn(int fd, UINT8 ssn, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_setdir
+**
+** Description This function is executed by BTA when the server changes the
+** local path
+**
+** Parameters p_path - the new path.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_setdir(const char *p_path, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_close
+**
+** Description This function is called by BTA when a connection to a
+** client is closed.
+**
+** Parameters fd - file descriptor of file to close.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful],
+** [BTA_FS_CO_FAIL if failed ]
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_STATUS bta_fs_co_close(int fd, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_read
+**
+** Description This function is called by BTA to read in data from the
+** previously opened file on the phone.
+**
+** Parameters fd - file descriptor of file to read from.
+** p_buf - buffer to read the data into.
+** nbytes - number of bytes to read into the buffer.
+** evt - event that must be passed into the call-in function.
+** ssn - session sequence number. Ignored, if bta_fs_co_open
+** was not called with BTA_FS_CO_RELIABLE.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+** Note: Upon completion of the request, bta_fs_ci_read() is
+** called with the buffer of data, along with the number
+** of bytes read into the buffer, and a status. The
+** call-in function should only be called when ALL requested
+** bytes have been read, the end of file has been detected,
+** or an error has occurred.
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_read(int fd, UINT8 *p_buf, UINT16 nbytes, UINT16 evt,
+ UINT8 ssn, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_write
+**
+** Description This function is called by io to send file data to the
+** phone.
+**
+** Parameters fd - file descriptor of file to write to.
+** p_buf - buffer to read the data from.
+** nbytes - number of bytes to write out to the file.
+** evt - event that must be passed into the call-in function.
+** ssn - session sequence number. Ignored, if bta_fs_co_open
+** was not called with BTA_FS_CO_RELIABLE.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+** Note: Upon completion of the request, bta_fs_ci_write() is
+** called with the file descriptor and the status. The
+** call-in function should only be called when ALL requested
+** bytes have been written, or an error has been detected,
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_write(int fd, const UINT8 *p_buf, UINT16 nbytes, UINT16 evt,
+ UINT8 ssn, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_seek
+**
+** Description This function is called by io to move the file pointer
+** of a previously opened file to the specified location for
+** the next read or write operation.
+**
+** Parameters fd - file descriptor of file.
+** offset - Number of bytes from origin.
+** origin - Initial position: BTA_FS_SEEK_SET, BTA_FS_SEEK_CUR,
+** or BTA_FS_SEEK_END.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_seek (int fd, INT32 offset, INT16 origin, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_access
+**
+** Description This function is called to check the existence of a file or
+** directory.
+**
+** Parameters p_path - (input) file or directory to access (fully qualified path).
+** mode - (input) [BTA_FS_ACC_EXIST, BTA_FS_ACC_READ, or BTA_FS_ACC_RDWR]
+** p_is_dir - (output) returns TRUE if p_path specifies a directory.
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if it exists]
+** [BTA_FS_CO_EACCES if permissions are wrong]
+** [BTA_FS_CO_FAIL if it does not exist]
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_STATUS bta_fs_co_access(const char *p_path, int mode,
+ BOOLEAN *p_is_dir, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_mkdir
+**
+** Description This function is called to create a directory with
+** the pathname given by path. The pathname is a null terminated
+** string. All components of the path must already exist.
+**
+** Parameters p_path - (input) name of directory to create (fully qualified path).
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_FAIL if unsuccessful]
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_STATUS bta_fs_co_mkdir(const char *p_path, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_rmdir
+**
+** Description This function is called to remove a directory whose
+** name is given by path. The directory must be empty.
+**
+** Parameters p_path - (input) name of directory to remove (fully qualified path).
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_EACCES if read-only]
+** [BTA_FS_CO_ENOTEMPTY if directory is not empty]
+** [BTA_FS_CO_FAIL otherwise]
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_STATUS bta_fs_co_rmdir(const char *p_path, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_unlink
+**
+** Description This function is called by to remove a file whose name
+** is given by p_path.
+**
+** Parameters p_path - (input) name of file to remove (fully qualified path).
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_EACCES if read-only]
+** [BTA_FS_CO_FAIL otherwise]
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_STATUS bta_fs_co_unlink(const char *p_path, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_getdirentry
+**
+** Description This function is called to retrieve a directory entry for the
+** specified path. The first/next directory should be filled
+** into the location specified by p_entry.
+**
+** Parameters p_path - directory to search (Fully qualified path)
+** first_item - TRUE if first search, FALSE if next search
+** (p_cur contains previous)
+** p_entry (input/output) - Points to last entry data (valid when
+** first_item is FALSE)
+** evt - event that must be passed into the call-in function.
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+** Note: Upon completion of the request, the status is passed
+** in the bta_fs_ci_direntry() call-in function.
+** BTA_FS_CO_OK is returned when p_entry is valid,
+** BTA_FS_CO_EODIR is returned when no more entries [finished]
+** BTA_FS_CO_FAIL is returned if an error occurred
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_getdirentry(const char *p_path, BOOLEAN first_item,
+ tBTA_FS_DIRENTRY *p_entry, UINT16 evt,
+ UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_copy
+**
+** Description This function is called to copy a file/directory whose
+** name is given by p_src_path to p_dest_path.
+**
+** Parameters p_src_path - (input) name of file/directory to be copied (fully qualified path).
+** p_dest_path - (input) new name of file/directory(fully qualified path).
+** p_perms - the permission of the new object.
+** evt - event that must be passed into the call-in function.
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_EIS_DIR if p_src_path is a folder]
+** [BTA_FS_CO_EACCES if p_dest_path already exists or could not be created (invalid path);
+** or p_src_path is a directory and p_dest_path specifies a different path. ]
+** [BTA_FS_CO_FAIL otherwise]
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_copy(const char *p_src_path, const char *p_dest_path, UINT8 *p_perms, UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_rename
+**
+** Description This function is called to move a file/directory whose
+** name is given by p_src_path to p_dest_path.
+**
+** Parameters p_src_path - (input) name of file/directory to be moved (fully qualified path).
+** p_dest_path - (input) new name of file/directory(fully qualified path).
+** p_perms - the permission of the new object.
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_EACCES if p_dest_path already exists or could not be created (invalid path);
+** or p_src_path is a directory and p_dest_path specifies a different path. ]
+** [BTA_FS_CO_FAIL otherwise]
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_rename(const char *p_src_path, const char *p_dest_path, UINT8 *p_perms, UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_set_perms
+**
+** Description This function is called to set the permission a file/directory
+** with name as p_src_path.
+**
+** Parameters p_src_path - (input) name of file/directory to set permission (fully qualified path).
+** p_perms - the permission .
+** app_id - (input) application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns (tBTA_FS_CO_STATUS) status of the call.
+** [BTA_FS_CO_OK if successful]
+** [BTA_FS_CO_EACCES if p_dest_path already exists or could not be created (invalid path);
+** or p_src_path is a directory and p_dest_path specifies a different path. ]
+** [BTA_FS_CO_FAIL otherwise]
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_set_perms(const char *p_src_path, UINT8 *p_perms, UINT16 evt, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_sess_fopen
+**
+** Description This function is called by bta_fs_co_open to keep track of
+** the opened file (for reliable session suspend/resume.)
+**
+** Parameters p_path - Fully qualified path and file name.
+** oflags - permissions and mode (see constants above)
+** app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_sess_fopen(const char *p_path, int oflags, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_sess_fclose
+**
+** Description This function is called by bta_fs_co_close
+**
+** Parameters app_id - application ID specified in the enable functions.
+** It can be used to identify which profile is the caller
+** of the call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_sess_fclose(UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_sess_offset
+**
+** Description This function is called by bta_fs_co_write to keep track of
+** the last file offset (Only the receiving side needs to keep
+** track of the file offset)
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_sess_offset(UINT8 ssn, INT32 pos, UINT16 nbytes, UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_suspended_addr
+**
+** Description find the peer address of the suspended session control block
+** for the given an app_id.
+**
+** Returns the control block found.
+**
+*******************************************************************************/
+BTA_API extern UINT8 *bta_fs_co_suspended_addr(UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_num_suspended_session
+**
+** Description find the number of suspended session control blocks for the
+** given an app_id.
+**
+** Returns the number of control blocks found.
+**
+*******************************************************************************/
+BTA_API extern UINT8 bta_fs_co_num_suspended_session(UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_get_active_session
+**
+** Description find the active session control block for the given an app_id.
+**
+** Returns the control block found.
+**
+*******************************************************************************/
+BTA_API extern tBTA_FS_CO_SESSION *bta_fs_co_get_active_session(UINT8 app_id);
+
+/*******************************************************************************
+**
+** Function bta_fs_co_init_db
+**
+** Description Initialize the session control blocks for platform.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_fs_co_init_db (tBTA_FS_CO_SESSION *p_first);
+
+/*******************************************************************************
+**
+** Function bta_fs_convert_oflags
+**
+** Description This function converts the open flags from BTA into MFS.
+**
+** Returns BTA FS status value.
+**
+*******************************************************************************/
+BTA_API extern int bta_fs_convert_bta_oflags(int bta_oflags);
+
+#endif /* BTA_FS_CO_H */