| 1 |
62 |
marcus.erl |
/*
|
| 2 |
|
|
* IBM ASM Service Processor Device Driver
|
| 3 |
|
|
*
|
| 4 |
|
|
* This program is free software; you can redistribute it and/or modify
|
| 5 |
|
|
* it under the terms of the GNU General Public License as published by
|
| 6 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
| 7 |
|
|
* (at your option) any later version.
|
| 8 |
|
|
*
|
| 9 |
|
|
* This program is distributed in the hope that it will be useful,
|
| 10 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 11 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 12 |
|
|
* GNU General Public License for more details.
|
| 13 |
|
|
*
|
| 14 |
|
|
* You should have received a copy of the GNU General Public License
|
| 15 |
|
|
* along with this program; if not, write to the Free Software
|
| 16 |
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
| 17 |
|
|
*
|
| 18 |
|
|
* Copyright (C) IBM Corporation, 2004
|
| 19 |
|
|
*
|
| 20 |
|
|
* Author: Max Asböck <amax@us.ibm.com>
|
| 21 |
|
|
*
|
| 22 |
|
|
*/
|
| 23 |
|
|
|
| 24 |
|
|
#ifndef __DOT_COMMAND_H__
|
| 25 |
|
|
#define __DOT_COMMAND_H__
|
| 26 |
|
|
|
| 27 |
|
|
/*
|
| 28 |
|
|
* dot commands are the protocol used to communicate with the service
|
| 29 |
|
|
* processor.
|
| 30 |
|
|
* They consist of header, a command of variable length and data of
|
| 31 |
|
|
* variable length.
|
| 32 |
|
|
*/
|
| 33 |
|
|
|
| 34 |
|
|
/* dot command types */
|
| 35 |
|
|
#define sp_write 0
|
| 36 |
|
|
#define sp_write_next 1
|
| 37 |
|
|
#define sp_read 2
|
| 38 |
|
|
#define sp_read_next 3
|
| 39 |
|
|
#define sp_command_response 4
|
| 40 |
|
|
#define sp_event 5
|
| 41 |
|
|
#define sp_heartbeat 6
|
| 42 |
|
|
|
| 43 |
|
|
#pragma pack(1)
|
| 44 |
|
|
struct dot_command_header {
|
| 45 |
|
|
u8 type;
|
| 46 |
|
|
u8 command_size;
|
| 47 |
|
|
u16 data_size;
|
| 48 |
|
|
u8 status;
|
| 49 |
|
|
u8 reserved;
|
| 50 |
|
|
};
|
| 51 |
|
|
#pragma pack()
|
| 52 |
|
|
|
| 53 |
|
|
static inline size_t get_dot_command_size(void *buffer)
|
| 54 |
|
|
{
|
| 55 |
|
|
struct dot_command_header *cmd = (struct dot_command_header *)buffer;
|
| 56 |
|
|
return sizeof(struct dot_command_header) + cmd->command_size + cmd->data_size;
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
static inline unsigned int get_dot_command_timeout(void *buffer)
|
| 60 |
|
|
{
|
| 61 |
|
|
struct dot_command_header *header = (struct dot_command_header *)buffer;
|
| 62 |
|
|
unsigned char *cmd = buffer + sizeof(struct dot_command_header);
|
| 63 |
|
|
|
| 64 |
|
|
/* dot commands 6.3.1, 7.1 and 8.x need a longer timeout */
|
| 65 |
|
|
|
| 66 |
|
|
if (header->command_size == 3) {
|
| 67 |
|
|
if ((cmd[0] == 6) && (cmd[1] == 3) && (cmd[2] == 1))
|
| 68 |
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
| 69 |
|
|
} else if (header->command_size == 2) {
|
| 70 |
|
|
if ((cmd[0] == 7) && (cmd[1] == 1))
|
| 71 |
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
| 72 |
|
|
if (cmd[0] == 8)
|
| 73 |
|
|
return IBMASM_CMD_TIMEOUT_EXTRA;
|
| 74 |
|
|
}
|
| 75 |
|
|
return IBMASM_CMD_TIMEOUT_NORMAL;
|
| 76 |
|
|
}
|
| 77 |
|
|
|
| 78 |
|
|
#endif /* __DOT_COMMAND_H__ */
|
