linux-imx

/*

 *

 * Copyright (c) 2011, Microsoft Corporation.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple

 * Place - Suite 330, Boston, MA 02111-1307 USA.

 *

 * Authors:

 *   Haiyang Zhang <haiyangz@microsoft.com>

 *   Hank Janssen  <hjanssen@microsoft.com>

 *   K. Y. Srinivasan <kys@microsoft.com>

 *

 */

​

#ifndef _HYPERV_VMBUS_H

#define _HYPERV_VMBUS_H

​

#include <linux/list.h>

#include <asm/sync_bitops.h>

#include <asm/hyperv-tlfs.h>

#include <linux/atomic.h>

#include <linux/hyperv.h>

#include <linux/interrupt.h>

​

#include "hv_trace.h"

​

/*

 * Timeout for services such as KVP and fcopy.

 */

#define HV_UTIL_TIMEOUT 30

​

/*

 * Timeout for guest-host handshake for services.

 */

#define HV_UTIL_NEGO_TIMEOUT 55

​

​

/* Definitions for the monitored notification facility */

union hv_monitor_trigger_group {

    u64 as_uint64;

    struct {

        u32 pending;

        u32 armed;

    };

};

​

struct hv_monitor_parameter {

    union hv_connection_id connectionid;

    u16 flagnumber;

    u16 rsvdz;

};

​

union hv_monitor_trigger_state {

    u32 asu32;

​

    struct {

        u32 group_enable:4;

        u32 rsvdz:28;

    };

};

​

/* struct hv_monitor_page Layout */

/* ------------------------------------------------------ */

/* | 0   | TriggerState (4 bytes) | Rsvd1 (4 bytes)     | */

/* | 8   | TriggerGroup[0]                              | */

/* | 10  | TriggerGroup[1]                              | */

/* | 18  | TriggerGroup[2]                              | */

/* | 20  | TriggerGroup[3]                              | */

/* | 28  | Rsvd2[0]                                     | */

/* | 30  | Rsvd2[1]                                     | */

/* | 38  | Rsvd2[2]                                     | */

/* | 40  | NextCheckTime[0][0]    | NextCheckTime[0][1] | */

/* | ...                                                | */

/* | 240 | Latency[0][0..3]                             | */

/* | 340 | Rsvz3[0]                                     | */

/* | 440 | Parameter[0][0]                              | */

/* | 448 | Parameter[0][1]                              | */

/* | ...                                                | */

/* | 840 | Rsvd4[0]                                     | */

/* ------------------------------------------------------ */

struct hv_monitor_page {

    union hv_monitor_trigger_state trigger_state;