1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * IBM ASM Service Processor Device Driver
5 * Copyright (C) IBM Corporation, 2004
10 #ifndef __DOT_COMMAND_H__
11 #define __DOT_COMMAND_H__
14 * dot commands are the protocol used to communicate with the service
16 * They consist of header, a command of variable length and data of
20 /* dot command types */
22 #define sp_write_next 1
24 #define sp_read_next 3
25 #define sp_command_response 4
27 #define sp_heartbeat 6
30 struct dot_command_header {
39 static inline size_t get_dot_command_size(void *buffer)
41 struct dot_command_header *cmd = (struct dot_command_header *)buffer;
42 return sizeof(struct dot_command_header) + cmd->command_size + cmd->data_size;
45 static inline unsigned int get_dot_command_timeout(void *buffer)
47 struct dot_command_header *header = (struct dot_command_header *)buffer;
48 unsigned char *cmd = buffer + sizeof(struct dot_command_header);
50 /* dot commands 6.3.1, 7.1 and 8.x need a longer timeout */
52 if (header->command_size == 3) {
53 if ((cmd[0] == 6) && (cmd[1] == 3) && (cmd[2] == 1))
54 return IBMASM_CMD_TIMEOUT_EXTRA;
55 } else if (header->command_size == 2) {
56 if ((cmd[0] == 7) && (cmd[1] == 1))
57 return IBMASM_CMD_TIMEOUT_EXTRA;
59 return IBMASM_CMD_TIMEOUT_EXTRA;
61 return IBMASM_CMD_TIMEOUT_NORMAL;
64 #endif /* __DOT_COMMAND_H__ */