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