blob: 53abffcde3c62b49c615b36f483293cf4b49272a [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
* Copyright 2017 IBM Corp.
* 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.
#include <linux/ioctl.h>
#include <linux/types.h>
/* Window types */
* This driver provides a window for the host to access a BMC resource
* across the BMC <-> Host LPC bus.
* window_type: The BMC resource that the host will access through the
* window. BMC flash and BMC RAM.
* window_id: For each window type there may be multiple windows,
* these are referenced by ID.
* flags: Reserved for future use, this field is expected to be
* zeroed.
* addr: Address on the host LPC bus that the specified window should
* be mapped. This address must be power of two aligned.
* offset: Offset into the BMC window that should be mapped to the
* host (at addr). This must be a multiple of size.
* size: The size of the mapping. The smallest possible size is 64K.
* This must be power of two aligned.
struct aspeed_lpc_ctrl_mapping {
__u8 window_type;
__u8 window_id;
__u16 flags;
__u32 addr;
__u32 offset;
__u32 size;
0x00, struct aspeed_lpc_ctrl_mapping)
0x01, struct aspeed_lpc_ctrl_mapping)