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Jeremy Kerr3d36ee22019-05-30 11:15:37 +08001/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
Jeremy Kerr672c8852019-03-01 12:18:07 +08002
3#ifndef _LIBMCTP_ASTLPCL_H
4#define _LIBMCTP_ASTLPCL_H
5
6#ifdef __cplusplus
7extern "C" {
8#endif
9
Jeremy Kerr8682ef22019-05-30 17:46:44 +080010#include <libmctp.h>
Jeremy Kerr672c8852019-03-01 12:18:07 +080011
Andrew Jeffery7cd72f12020-05-12 20:27:59 +093012#include <stdint.h>
13
Jeremy Kerr672c8852019-03-01 12:18:07 +080014struct mctp_binding_astlpc;
15
Andrew Jeffery7cd72f12020-05-12 20:27:59 +093016/* todo: Remove enum from public interfaces */
Jeremy Kerrbc53d352019-08-28 14:26:14 +053017enum mctp_binding_astlpc_kcs_reg {
18 MCTP_ASTLPC_KCS_REG_DATA = 0,
19 MCTP_ASTLPC_KCS_REG_STATUS = 1,
20};
21
22struct mctp_binding_astlpc_ops {
23 int (*kcs_read)(void *data, enum mctp_binding_astlpc_kcs_reg reg,
24 uint8_t *val);
25 int (*kcs_write)(void *data, enum mctp_binding_astlpc_kcs_reg reg,
26 uint8_t val);
Andrew Jeffery06b2cd82020-03-17 23:12:27 +103027 int (*lpc_read)(void *data, void *buf, long offset, size_t len);
28 int (*lpc_write)(void *data, void *buf, long offset, size_t len);
Jeremy Kerrbc53d352019-08-28 14:26:14 +053029};
30
Andrew Jeffery7cd72f12020-05-12 20:27:59 +093031#define MCTP_BINDING_ASTLPC_MODE_BMC 0
32#define MCTP_BINDING_ASTLPC_MODE_HOST 1
33struct mctp_binding_astlpc *
34mctp_astlpc_init(uint8_t mode, uint32_t mtu, void *lpc_map,
35 const struct mctp_binding_astlpc_ops *ops, void *ops_data);
36
37struct mctp_binding_astlpc *
38mctp_astlpc_init_ops(const struct mctp_binding_astlpc_ops *ops, void *ops_data,
39 void *lpc_map);
Andrew Jeffery4663f672020-03-10 23:36:24 +103040void mctp_astlpc_destroy(struct mctp_binding_astlpc *astlpc);
Jeremy Kerr3b36d172019-09-04 11:56:09 +080041
42struct mctp_binding *mctp_binding_astlpc_core(struct mctp_binding_astlpc *b);
43
Jeremy Kerr672c8852019-03-01 12:18:07 +080044int mctp_astlpc_poll(struct mctp_binding_astlpc *astlpc);
45
Jeremy Kerrbc53d352019-08-28 14:26:14 +053046/* fileio-based interface */
47struct mctp_binding_astlpc *mctp_astlpc_init_fileio(void);
48int mctp_astlpc_get_fd(struct mctp_binding_astlpc *astlpc);
49
Jeremy Kerr672c8852019-03-01 12:18:07 +080050#ifdef __cplusplus
51}
52#endif
53
Andrew Jeffery0ddd07e2020-05-25 19:53:34 +093054#endif /* _LIBMCTP_ASTLPC_H */