cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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csio_defs.h (3398B)

      1/*
      2 * This file is part of the Chelsio FCoE driver for Linux.
      3 *
      4 * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
      5 *
      6 * This software is available to you under a choice of one of two
      7 * licenses.  You may choose to be licensed under the terms of the GNU
      8 * General Public License (GPL) Version 2, available from the file
      9 * COPYING in the main directory of this source tree, or the
     10 * OpenIB.org BSD license below:
     11 *
     12 *     Redistribution and use in source and binary forms, with or
     13 *     without modification, are permitted provided that the following
     14 *     conditions are met:
     15 *
     16 *      - Redistributions of source code must retain the above
     17 *        copyright notice, this list of conditions and the following
     18 *        disclaimer.
     19 *
     20 *      - Redistributions in binary form must reproduce the above
     21 *        copyright notice, this list of conditions and the following
     22 *        disclaimer in the documentation and/or other materials
     23 *        provided with the distribution.
     24 *
     25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     32 * SOFTWARE.
     33 */
     34
     35#ifndef __CSIO_DEFS_H__
     36#define __CSIO_DEFS_H__
     37
     38#include <linux/kernel.h>
     39#include <linux/stddef.h>
     40#include <linux/timer.h>
     41#include <linux/list.h>
     42#include <linux/bug.h>
     43#include <linux/pci.h>
     44#include <linux/jiffies.h>
     45
     46#define CSIO_INVALID_IDX		0xFFFFFFFF
     47#define CSIO_INC_STATS(elem, val)	((elem)->stats.val++)
     48#define CSIO_DEC_STATS(elem, val)	((elem)->stats.val--)
     49#define CSIO_VALID_WWN(__n)		((*__n >> 4) == 0x5 ? true : false)
     50#define CSIO_DID_MASK			0xFFFFFF
     51#define CSIO_WORD_TO_BYTE		4
     52
     53#ifndef readq
     54static inline u64 readq(void __iomem *addr)
     55{
     56	return readl(addr) + ((u64)readl(addr + 4) << 32);
     57}
     58
     59static inline void writeq(u64 val, void __iomem *addr)
     60{
     61	writel(val, addr);
     62	writel(val >> 32, addr + 4);
     63}
     64#endif
     65
     66static inline int
     67csio_list_deleted(struct list_head *list)
     68{
     69	return ((list->next == list) && (list->prev == list));
     70}
     71
     72#define csio_list_next(elem)	(((struct list_head *)(elem))->next)
     73#define csio_list_prev(elem)	(((struct list_head *)(elem))->prev)
     74
     75/* State machine */
     76typedef void (*csio_sm_state_t)(void *, uint32_t);
     77
     78struct csio_sm {
     79	struct list_head	sm_list;
     80	csio_sm_state_t		sm_state;
     81};
     82
     83static inline void
     84csio_set_state(void *smp, void *state)
     85{
     86	((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state;
     87}
     88
     89static inline void
     90csio_init_state(struct csio_sm *smp, void *state)
     91{
     92	csio_set_state(smp, state);
     93}
     94
     95static inline void
     96csio_post_event(void *smp, uint32_t evt)
     97{
     98	((struct csio_sm *)smp)->sm_state(smp, evt);
     99}
    100
    101static inline csio_sm_state_t
    102csio_get_state(void *smp)
    103{
    104	return ((struct csio_sm *)smp)->sm_state;
    105}
    106
    107static inline bool
    108csio_match_state(void *smp, void *state)
    109{
    110	return (csio_get_state(smp) == (csio_sm_state_t)state);
    111}
    112
    113#define	CSIO_ASSERT(cond)		BUG_ON(!(cond))
    114
    115#ifdef __CSIO_DEBUG__
    116#define CSIO_DB_ASSERT(__c)		CSIO_ASSERT((__c))
    117#else
    118#define CSIO_DB_ASSERT(__c)
    119#endif
    120
    121#endif /* ifndef __CSIO_DEFS_H__ */