| /**************************************************************************** |
| * drivers/misc/rpmsgblk.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you 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. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __DRIVERS_MISC_RPMSGBLK_H |
| #define __DRIVERS_MISC_RPMSGBLK_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/compiler.h> |
| |
| #include <sys/param.h> |
| |
| /**************************************************************************** |
| * Pre-processor definitions |
| ****************************************************************************/ |
| |
| #define RPMSGBLK_NAME_PREFIX "rpmsgblk-" |
| #define RPMSGBLK_NAME_PREFIX_LEN 9 |
| #define RPMSGBLK_NAME_MAX 32 |
| |
| #define RPMSGBLK_OPEN 1 |
| #define RPMSGBLK_CLOSE 2 |
| #define RPMSGBLK_READ 3 |
| #define RPMSGBLK_WRITE 4 |
| #define RPMSGBLK_GEOMETRY 5 |
| #define RPMSGBLK_IOCTL 6 |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| begin_packed_struct struct rpmsgblk_header_s |
| { |
| uint32_t command; |
| int32_t result; |
| uint64_t cookie; |
| } end_packed_struct; |
| |
| begin_packed_struct struct rpmsgblk_open_s |
| { |
| struct rpmsgblk_header_s header; |
| } end_packed_struct; |
| |
| #define rpmsgblk_close_s rpmsgblk_open_s |
| |
| begin_packed_struct struct rpmsgblk_read_s |
| { |
| struct rpmsgblk_header_s header; |
| uint32_t startsector; |
| uint32_t nsectors; |
| int32_t sectorsize; |
| uint32_t count; |
| char buf[1]; |
| } end_packed_struct; |
| |
| #define rpmsgblk_write_s rpmsgblk_read_s |
| |
| begin_packed_struct struct rpmsgblk_geometry_s |
| { |
| struct rpmsgblk_header_s header; |
| uint16_t available; |
| uint16_t mediachanged; |
| uint16_t writeenabled; |
| uint16_t sectorsize; |
| uint64_t nsectors; |
| char model[RPMSGBLK_NAME_MAX + 1]; |
| } end_packed_struct; |
| |
| begin_packed_struct struct rpmsgblk_ioctl_s |
| { |
| struct rpmsgblk_header_s header; |
| uint64_t arg; |
| uint32_t arglen; |
| int32_t request; |
| char buf[1]; |
| } end_packed_struct; |
| |
| /**************************************************************************** |
| * Internal function prototypes |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Internal data |
| ****************************************************************************/ |
| |
| #endif /* __DRIVERS_MISC_RPMSGBLK_H */ |