linux/drivers/misc/ibmasm/dot_command.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

65 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* IBM ASM Service Processor Device Driver
*
* 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__ */