forked from luck/tmp_suning_uos_patched
a3667aaed5
Signed-off-by: Naresh Kumar Inna <naresh@chelsio.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*
|
|
* This file is part of the Chelsio FCoE driver for Linux.
|
|
*
|
|
* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __CSIO_DEFS_H__
|
|
#define __CSIO_DEFS_H__
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/list.h>
|
|
#include <linux/bug.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/jiffies.h>
|
|
|
|
#define CSIO_INVALID_IDX 0xFFFFFFFF
|
|
#define CSIO_INC_STATS(elem, val) ((elem)->stats.val++)
|
|
#define CSIO_DEC_STATS(elem, val) ((elem)->stats.val--)
|
|
#define CSIO_VALID_WWN(__n) ((*__n >> 4) == 0x5 ? true : false)
|
|
#define CSIO_DID_MASK 0xFFFFFF
|
|
#define CSIO_WORD_TO_BYTE 4
|
|
|
|
#ifndef readq
|
|
static inline u64 readq(void __iomem *addr)
|
|
{
|
|
return readl(addr) + ((u64)readl(addr + 4) << 32);
|
|
}
|
|
|
|
static inline void writeq(u64 val, void __iomem *addr)
|
|
{
|
|
writel(val, addr);
|
|
writel(val >> 32, addr + 4);
|
|
}
|
|
#endif
|
|
|
|
static inline int
|
|
csio_list_deleted(struct list_head *list)
|
|
{
|
|
return ((list->next == list) && (list->prev == list));
|
|
}
|
|
|
|
#define csio_list_next(elem) (((struct list_head *)(elem))->next)
|
|
#define csio_list_prev(elem) (((struct list_head *)(elem))->prev)
|
|
|
|
/* State machine */
|
|
typedef void (*csio_sm_state_t)(void *, uint32_t);
|
|
|
|
struct csio_sm {
|
|
struct list_head sm_list;
|
|
csio_sm_state_t sm_state;
|
|
};
|
|
|
|
static inline void
|
|
csio_set_state(void *smp, void *state)
|
|
{
|
|
((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state;
|
|
}
|
|
|
|
static inline void
|
|
csio_init_state(struct csio_sm *smp, void *state)
|
|
{
|
|
csio_set_state(smp, state);
|
|
}
|
|
|
|
static inline void
|
|
csio_post_event(void *smp, uint32_t evt)
|
|
{
|
|
((struct csio_sm *)smp)->sm_state(smp, evt);
|
|
}
|
|
|
|
static inline csio_sm_state_t
|
|
csio_get_state(void *smp)
|
|
{
|
|
return ((struct csio_sm *)smp)->sm_state;
|
|
}
|
|
|
|
static inline bool
|
|
csio_match_state(void *smp, void *state)
|
|
{
|
|
return (csio_get_state(smp) == (csio_sm_state_t)state);
|
|
}
|
|
|
|
#define CSIO_ASSERT(cond) BUG_ON(!(cond))
|
|
|
|
#ifdef __CSIO_DEBUG__
|
|
#define CSIO_DB_ASSERT(__c) CSIO_ASSERT((__c))
|
|
#else
|
|
#define CSIO_DB_ASSERT(__c)
|
|
#endif
|
|
|
|
#endif /* ifndef __CSIO_DEFS_H__ */
|