8b230ed8ec
This is patch 1/6 which contains linux driver source for Brocade's BR1010/BR1020 10Gb CEE capable ethernet adapter. Signed-off-by: Debashis Dutt <ddutt@brocade.com> Signed-off-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/*
|
|
* Linux network driver for Brocade Converged Network Adapter.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License (GPL) Version 2 as
|
|
* published by the Free Software Foundation
|
|
*
|
|
* This program is distributed in the hope that 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.
|
|
*/
|
|
/*
|
|
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
|
|
* All rights reserved
|
|
* www.brocade.com
|
|
*/
|
|
|
|
/**
|
|
* @file bfa_wc.h Generic wait counter.
|
|
*/
|
|
|
|
#ifndef __BFA_WC_H__
|
|
#define __BFA_WC_H__
|
|
|
|
typedef void (*bfa_wc_resume_t) (void *cbarg);
|
|
|
|
struct bfa_wc {
|
|
bfa_wc_resume_t wc_resume;
|
|
void *wc_cbarg;
|
|
int wc_count;
|
|
};
|
|
|
|
static inline void
|
|
bfa_wc_up(struct bfa_wc *wc)
|
|
{
|
|
wc->wc_count++;
|
|
}
|
|
|
|
static inline void
|
|
bfa_wc_down(struct bfa_wc *wc)
|
|
{
|
|
wc->wc_count--;
|
|
if (wc->wc_count == 0)
|
|
wc->wc_resume(wc->wc_cbarg);
|
|
}
|
|
|
|
/**
|
|
* Initialize a waiting counter.
|
|
*/
|
|
static inline void
|
|
bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg)
|
|
{
|
|
wc->wc_resume = wc_resume;
|
|
wc->wc_cbarg = wc_cbarg;
|
|
wc->wc_count = 0;
|
|
bfa_wc_up(wc);
|
|
}
|
|
|
|
/**
|
|
* Wait for counter to reach zero
|
|
*/
|
|
static inline void
|
|
bfa_wc_wait(struct bfa_wc *wc)
|
|
{
|
|
bfa_wc_down(wc);
|
|
}
|
|
|
|
#endif
|