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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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78
drivers/misc/ibmasm/dot_command.h Normal file
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/*
* 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 Asböck <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__ */