tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 *
3 * Intel Management Engine Interface (Intel MEI) Linux driver
4 * Copyright (c) 2003-2012, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 */
16
17
18
19#ifndef _MEI_INTERFACE_H_
20#define _MEI_INTERFACE_H_
21
22#include <linux/mei.h>
23#include "mei_dev.h"
24#include "client.h"
25
26struct mei_me_hw {
27 void __iomem *mem_addr;
28 /*
29 * hw states of host and fw(ME)
30 */
31 u32 host_hw_state;
32 u32 me_hw_state;
33};
34
35#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
36
37struct mei_device *mei_me_dev_init(struct pci_dev *pdev);
38
39/* get slots (dwords) from a message length + header (bytes) */
40static inline unsigned char mei_data2slots(size_t length)
41{
42 return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4);
43}
44
45irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
46irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
47
48#endif /* _MEI_INTERFACE_H_ */