2019-05-27 14:55:05 +08:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
2005-04-17 06:20:36 +08:00
|
|
|
/*
|
|
|
|
* IBM ASM Service Processor Device Driver
|
|
|
|
*
|
|
|
|
* Copyright (C) IBM Corporation, 2004
|
|
|
|
*
|
2011-12-30 06:09:01 +08:00
|
|
|
* Author: Max Asböck <amax@us.ibm.com>
|
2005-04-17 06:20:36 +08:00
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __DOT_COMMAND_H__
|
|
|
|
#define __DOT_COMMAND_H__
|
|
|
|
|
|
|
|
/*
|
|
|
|
* dot commands are the protocol used to communicate with the service
|
|
|
|
* processor.
|
|
|
|
* They consist of header, a command of variable length and data of
|
|
|
|
* variable length.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* dot command types */
|
|
|
|
#define sp_write 0
|
|
|
|
#define sp_write_next 1
|
|
|
|
#define sp_read 2
|
|
|
|
#define sp_read_next 3
|
|
|
|
#define sp_command_response 4
|
|
|
|
#define sp_event 5
|
|
|
|
#define sp_heartbeat 6
|
|
|
|
|
|
|
|
#pragma pack(1)
|
|
|
|
struct dot_command_header {
|
|
|
|
u8 type;
|
|
|
|
u8 command_size;
|
|
|
|
u16 data_size;
|
|
|
|
u8 status;
|
|
|
|
u8 reserved;
|
|
|
|
};
|
|
|
|
#pragma pack()
|
|
|
|
|
|
|
|
static inline size_t get_dot_command_size(void *buffer)
|
|
|
|
{
|
|
|
|
struct dot_command_header *cmd = (struct dot_command_header *)buffer;
|
|
|
|
return sizeof(struct dot_command_header) + cmd->command_size + cmd->data_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline unsigned int get_dot_command_timeout(void *buffer)
|
|
|
|
{
|
|
|
|
struct dot_command_header *header = (struct dot_command_header *)buffer;
|
|
|
|
unsigned char *cmd = buffer + sizeof(struct dot_command_header);
|
|
|
|
|
|
|
|
/* dot commands 6.3.1, 7.1 and 8.x need a longer timeout */
|
|
|
|
|
|
|
|
if (header->command_size == 3) {
|
|
|
|
if ((cmd[0] == 6) && (cmd[1] == 3) && (cmd[2] == 1))
|
|
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
|
|
|
} else if (header->command_size == 2) {
|
|
|
|
if ((cmd[0] == 7) && (cmd[1] == 1))
|
|
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
|
|
|
if (cmd[0] == 8)
|
|
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
|
|
|
}
|
|
|
|
return IBMASM_CMD_TIMEOUT_NORMAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* __DOT_COMMAND_H__ */
|