xref: /openbmc/libmctp/libmctp-astlpc.h (revision 13a4041f)
1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
2 
3 #ifndef _LIBMCTP_ASTLPCL_H
4 #define _LIBMCTP_ASTLPCL_H
5 
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
9 
10 #include <unistd.h>
11 #include <libmctp.h>
12 
13 struct mctp_binding_astlpc;
14 
15 enum mctp_binding_astlpc_kcs_reg {
16 	MCTP_ASTLPC_KCS_REG_DATA = 0,
17 	MCTP_ASTLPC_KCS_REG_STATUS = 1,
18 };
19 
20 struct mctp_binding_astlpc_ops {
21 	int	(*kcs_read)(void *data, enum mctp_binding_astlpc_kcs_reg reg,
22 			uint8_t *val);
23 	int	(*kcs_write)(void *data, enum mctp_binding_astlpc_kcs_reg reg,
24 			uint8_t val);
25 	int	(*lpc_read)(void *data, void *buf, off_t offset, size_t len);
26 	int	(*lpc_write)(void *data, void *buf, off_t offset, size_t len);
27 };
28 
29 struct mctp_binding_astlpc *mctp_astlpc_init_ops(
30 		const struct mctp_binding_astlpc_ops *ops,
31 		void *ops_data, void *lpc_map);
32 
33 struct mctp_binding *mctp_binding_astlpc_core(struct mctp_binding_astlpc *b);
34 
35 int mctp_astlpc_poll(struct mctp_binding_astlpc *astlpc);
36 
37 /* fileio-based interface */
38 struct mctp_binding_astlpc *mctp_astlpc_init_fileio(void);
39 int mctp_astlpc_get_fd(struct mctp_binding_astlpc *astlpc);
40 
41 #ifdef __cplusplus
42 }
43 #endif
44 
45 #endif /* _LIBMCTP_ASTLPCL_H */
46