/* * IBM ASM Service Processor Device Driver * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Copyright (C) IBM Corporation, 2004 * * Author: Max Asb�ck <amax@us.ibm.com> * */ #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__ */