linux/drivers/gpu/drm/vmwgfx/vmwgfx_mksstat.h

/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
 *
 * Copyright 2021 VMware, Inc., Palo Alto, CA., USA
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
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 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#ifndef _VMWGFX_MKSSTAT_H_
#define _VMWGFX_MKSSTAT_H_

#include <asm/page.h>
#include <linux/kconfig.h>

/* Reservation marker for mksstat pid's */
#define MKSSTAT_PID_RESERVED

#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
/*
 * Kernel-internal mksGuestStat counters. The order of this enum dictates the
 * order of instantiation of these counters in the mksGuestStat pages.
 */

mksstat_kern_stats_t;

/**
 * vmw_mksstat_get_kern_pstat: Computes the address of the MKSGuestStatCounterTime
 * array from the address of the base page.
 *
 * @page_addr: Pointer to the base page.
 * Return: Pointer to the MKSGuestStatCounterTime array.
 */

static inline void *vmw_mksstat_get_kern_pstat(void *page_addr)
{}

/**
 * vmw_mksstat_get_kern_pinfo: Computes the address of the MKSGuestStatInfoEntry
 * array from the address of the base page.
 *
 * @page_addr: Pointer to the base page.
 * Return: Pointer to the MKSGuestStatInfoEntry array.
 */

static inline void *vmw_mksstat_get_kern_pinfo(void *page_addr)
{}

/**
 * vmw_mksstat_get_kern_pstrs: Computes the address of the mksGuestStat strings
 * sequence from the address of the base page.
 *
 * @page_addr: Pointer to the base page.
 * Return: Pointer to the mksGuestStat strings sequence.
 */

static inline void *vmw_mksstat_get_kern_pstrs(void *page_addr)
{}

/*
 * MKS_STAT_TIME_DECL/PUSH/POP macros to be used in timer-counted routines.
 */

struct mksstat_timer_t {};

#define MKS_STAT_TIME_DECL(kern_cntr)

#define MKS_STAT_TIME_PUSH(kern_cntr)

#define MKS_STAT_TIME_POP(kern_cntr)

#else
#define MKS_STAT_TIME_DECL
#define MKS_STAT_TIME_PUSH
#define MKS_STAT_TIME_POP

#endif /* IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS */

#endif