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connections
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message_drivers
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vchi.h
(15.5 KB)
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vchi_cfg.h
(9.16 KB)
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vchi_cfg_internal.h
(3.11 KB)
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vchi_common.h
(6.57 KB)
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vchi_mh.h
(1.85 KB)
Editing: vchi_cfg_internal.h
/** * Copyright (c) 2010-2012 Broadcom. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. 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. * 3. The names of the above-listed copyright holders may not be used * to endorse or promote products derived from this software without * specific prior written permission. * * ALTERNATIVELY, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2, as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef VCHI_CFG_INTERNAL_H_ #define VCHI_CFG_INTERNAL_H_ /**************************************************************************************** * Control optimisation attempts. ***************************************************************************************/ // Don't use lots of short-term locks - use great long ones, reducing the overall locks-per-second #define VCHI_COARSE_LOCKING // Avoid lock then unlock on exit from blocking queue operations (msg tx, bulk rx/tx) // (only relevant if VCHI_COARSE_LOCKING) #define VCHI_ELIDE_BLOCK_EXIT_LOCK // Avoid lock on non-blocking peek // (only relevant if VCHI_COARSE_LOCKING) #define VCHI_AVOID_PEEK_LOCK // Use one slot-handler thread per connection, rather than 1 thread dealing with all connections in rotation. #define VCHI_MULTIPLE_HANDLER_THREADS // Put free descriptors onto the head of the free queue, rather than the tail, so that we don't thrash // our way through the pool of descriptors. #define VCHI_PUSH_FREE_DESCRIPTORS_ONTO_HEAD // Don't issue a MSG_AVAILABLE callback for every single message. Possibly only safe if VCHI_COARSE_LOCKING. #define VCHI_FEWER_MSG_AVAILABLE_CALLBACKS // Don't use message descriptors for TX messages that don't need them #define VCHI_MINIMISE_TX_MSG_DESCRIPTORS // Nano-locks for multiqueue //#define VCHI_MQUEUE_NANOLOCKS // Lock-free(er) dequeuing //#define VCHI_RX_NANOLOCKS #endif /*VCHI_CFG_INTERNAL_H_*/
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