diff options
Diffstat (limited to 'components/vbus/share_hdr/vbus_api.h')
| -rw-r--r-- | components/vbus/share_hdr/vbus_api.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/components/vbus/share_hdr/vbus_api.h b/components/vbus/share_hdr/vbus_api.h deleted file mode 100644 index a643822a9c..0000000000 --- a/components/vbus/share_hdr/vbus_api.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2006-2021, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - */ -#ifndef __VBUS_API_H__ -#define __VBUS_API_H__ - -#define RT_VBUS_USING_FLOW_CONTROL - -#define RT_VBUS_CHANNEL_NR 32 - -#define RT_VBUS_BLK_HEAD_SZ 4 -#define RT_VBUS_MAX_PKT_SZ (256 - RT_VBUS_BLK_HEAD_SZ) - -#define RT_VMM_RB_BLK_NR (_RT_VBUS_RING_SZ / 64 - 1) - -#ifndef __ASSEMBLY__ -#include <stddef.h> /* For size_t */ - -struct rt_vbus_blk -{ - unsigned char id; - unsigned char qos; - unsigned char len; - unsigned char reserved; - unsigned char data[60]; -} __attribute__((packed)); - -struct rt_vbus_ring -{ - volatile size_t put_idx; - volatile size_t get_idx; - /* whether the writer is blocked on this ring. For RTT, it means the - * central writer thread is waiting. For Linux, it means there are some - * threads waiting for space to write. - * - * Note that we don't record whether there are reading thread blocked. When - * there is new data, the other side will always be waked up. */ - volatile unsigned int blocked; - struct rt_vbus_blk blks[RT_VMM_RB_BLK_NR]; -}; - -enum -{ - RT_VBUS_CHN0_CMD_ENABLE, - RT_VBUS_CHN0_CMD_DISABLE, - RT_VBUS_CHN0_CMD_SET, - RT_VBUS_CHN0_CMD_ACK, - RT_VBUS_CHN0_CMD_NAK, - /* If the recieving side reached high water mark. It has the right to - * suspend the channel. All the server/client should know about this - * command but the one that does not implement flow control could ignore - * this command. */ - RT_VBUS_CHN0_CMD_SUSPEND, - RT_VBUS_CHN0_CMD_RESUME, - RT_VBUS_CHN0_CMD_MAX, -}; - -enum rt_vbus_chn_status -{ - /* initial state, available for reuse */ - RT_VBUS_CHN_ST_AVAILABLE, - /* ACK DISABLE send(CS) or received(CS), but not ready for reuse.(the - * channel is not closed by this end) */ - RT_VBUS_CHN_ST_CLOSED, - /* ENABLE send(client) or received(server) */ - RT_VBUS_CHN_ST_ESTABLISHING, - /* ACK SET send(C) or received(S) */ - RT_VBUS_CHN_ST_ESTABLISHED, - /* Channel suspended by flow control. */ - RT_VBUS_CHN_ST_SUSPEND, - /* DISABLE received(CS) */ - RT_VBUS_CHN_ST_CLOSING, -}; -#endif - -#undef BUILD_ASSERT -/* borrowed from http://lxr.linux.no/linux+v2.6.26.5/include/linux/kernel.h#L494 */ -#define BUILD_ASSERT(condition) ((void)sizeof(char[1 - 2*!(condition)])) - -/* max length of a channel name, including the \0 */ -#define RT_VBUS_CHN_NAME_MAX 16 - -#endif /* end of include guard: __VBUS_API_H__ */ - |