forked from Minki/linux
52c3456141
This is initial step of move the ME hw specifics out of mei_device structure into mei_me_hw Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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*
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* Intel Management Engine Interface (Intel MEI) Linux driver
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* Copyright (c) 2003-2012, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _MEI_INTERFACE_H_
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#define _MEI_INTERFACE_H_
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#include <linux/mei.h>
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#include "mei_dev.h"
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#include "client.h"
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struct mei_me_hw {
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void __iomem *mem_addr;
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/*
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* hw states of host and fw(ME)
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*/
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u32 host_hw_state;
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u32 me_hw_state;
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};
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#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
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struct mei_device *mei_me_dev_init(struct pci_dev *pdev);
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void mei_read_slots(struct mei_device *dev,
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unsigned char *buffer,
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unsigned long buffer_length);
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int mei_write_message(struct mei_device *dev,
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struct mei_msg_hdr *header,
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unsigned char *buf);
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bool mei_hbuf_is_empty(struct mei_device *dev);
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int mei_hbuf_empty_slots(struct mei_device *dev);
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static inline size_t mei_hbuf_max_data(const struct mei_device *dev)
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{
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return dev->hbuf_depth * sizeof(u32) - sizeof(struct mei_msg_hdr);
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}
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/* get slots (dwords) from a message length + header (bytes) */
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static inline unsigned char mei_data2slots(size_t length)
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{
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return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4);
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}
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int mei_count_full_read_slots(struct mei_device *dev);
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#endif /* _MEI_INTERFACE_H_ */
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