| vmbus_brvar.h (307486) | vmbus_brvar.h (307599) |
|---|---|
| 1/*- 2 * Copyright (c) 2009-2012,2016 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * | 1/*- 2 * Copyright (c) 2009-2012,2016 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * |
| 28 * $FreeBSD: stable/11/sys/dev/hyperv/vmbus/vmbus_brvar.h 307486 2016-10-17 07:16:04Z sephe $ | 28 * $FreeBSD: stable/11/sys/dev/hyperv/vmbus/vmbus_brvar.h 307599 2016-10-19 02:24:17Z sephe $ |
| 29 */ 30 31#ifndef _VMBUS_BRVAR_H_ 32#define _VMBUS_BRVAR_H_ 33 34#include <sys/param.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> --- 41 unchanged lines hidden (view full) --- 78 /* 79 * - 64 bits for the trailing start index (- sizeof(uint64_t)). 80 * - The rindex and windex can't be same (- 1). See 81 * the comment near vmbus_bufring.br_{r,w}index. 82 */ 83 return (tbr->txbr_dsize - sizeof(uint64_t) - 1); 84} 85 | 29 */ 30 31#ifndef _VMBUS_BRVAR_H_ 32#define _VMBUS_BRVAR_H_ 33 34#include <sys/param.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> --- 41 unchanged lines hidden (view full) --- 78 /* 79 * - 64 bits for the trailing start index (- sizeof(uint64_t)). 80 * - The rindex and windex can't be same (- 1). See 81 * the comment near vmbus_bufring.br_{r,w}index. 82 */ 83 return (tbr->txbr_dsize - sizeof(uint64_t) - 1); 84} 85 |
| 86static __inline bool 87vmbus_txbr_empty(const struct vmbus_txbr *tbr) 88{ 89 90 return (tbr->txbr_windex == tbr->txbr_rindex ? true : false); 91} 92 93static __inline bool 94vmbus_rxbr_empty(const struct vmbus_rxbr *rbr) 95{ 96 97 return (rbr->rxbr_windex == rbr->rxbr_rindex ? true : false); 98} 99 |
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| 86static __inline int 87vmbus_br_nelem(int br_size, int elem_size) 88{ 89 90 /* Strip bufring header */ 91 br_size -= sizeof(struct vmbus_bufring); 92 /* Add per-element trailing index */ 93 elem_size += sizeof(uint64_t); --- 23 unchanged lines hidden --- | 100static __inline int 101vmbus_br_nelem(int br_size, int elem_size) 102{ 103 104 /* Strip bufring header */ 105 br_size -= sizeof(struct vmbus_bufring); 106 /* Add per-element trailing index */ 107 elem_size += sizeof(uint64_t); --- 23 unchanged lines hidden --- |