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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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180ea05bce
Add runtime pm framework for ME devices. The runtime pm handlers are used to run me power gating isolation protocol Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.3 KiB
C
50 lines
1.3 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 <linux/irqreturn.h>
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#include "mei_dev.h"
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#include "client.h"
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#define MEI_ME_RPM_TIMEOUT 500 /* ms */
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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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enum mei_pg_state pg_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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int mei_me_pg_set_sync(struct mei_device *dev);
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int mei_me_pg_unset_sync(struct mei_device *dev);
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irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
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irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
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#endif /* _MEI_INTERFACE_H_ */
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