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75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
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/*
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* Intel MIC Platform Software Stack (MPSS)
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*
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* Copyright(c) 2013 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Intel MIC driver.
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*
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*/
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#ifndef __MIC_COMMON_H_
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#define __MIC_COMMON_H_
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#include <linux/types.h>
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/**
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* struct mic_bootparam: Virtio device independent information in device page
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*
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* @magic: A magic value used by the card to ensure it can see the host
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* @c2h_shutdown_db: Card to Host shutdown doorbell set by host
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* @h2c_shutdown_db: Host to Card shutdown doorbell set by card
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* @h2c_config_db: Host to Card Virtio config doorbell set by card
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* @shutdown_status: Card shutdown status set by card
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* @shutdown_card: Set to 1 by the host when a card shutdown is initiated
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*/
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struct mic_bootparam {
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__u32 magic;
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__s8 c2h_shutdown_db;
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__s8 h2c_shutdown_db;
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__s8 h2c_config_db;
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__u8 shutdown_status;
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__u8 shutdown_card;
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} __aligned(8);
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/* Device page size */
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#define MIC_DP_SIZE 4096
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#define MIC_MAGIC 0xc0ffee00
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/**
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* enum mic_states - MIC states.
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*/
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enum mic_states {
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MIC_OFFLINE = 0,
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MIC_ONLINE,
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MIC_SHUTTING_DOWN,
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MIC_RESET_FAILED,
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MIC_LAST
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};
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/**
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* enum mic_status - MIC status reported by card after
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* a host or card initiated shutdown or a card crash.
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*/
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enum mic_status {
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MIC_NOP = 0,
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MIC_CRASHED,
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MIC_HALTED,
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MIC_POWER_OFF,
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MIC_RESTART,
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MIC_STATUS_LAST
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};
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#endif
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