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Diffstat (limited to 'arch/arm/cpu/ixp/npe/include/IxEthDBLocks_p.h')
| -rw-r--r-- | arch/arm/cpu/ixp/npe/include/IxEthDBLocks_p.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/arm/cpu/ixp/npe/include/IxEthDBLocks_p.h b/arch/arm/cpu/ixp/npe/include/IxEthDBLocks_p.h deleted file mode 100644 index 1d8b24fdf6..0000000000 --- a/arch/arm/cpu/ixp/npe/include/IxEthDBLocks_p.h +++ /dev/null @@ -1,122 +0,0 @@ -/** - * @file IxEthAccDBLocks_p.h - * - * @brief Definition of transaction lock stacks and lock utility macros - * - * @par - * IXP400 SW Release version 2.0 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * 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. - * 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. Neither the name of the Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * @par - * 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. - * - * @par - * -- End of Copyright Notice -- - */ - -#ifndef IxEthAccDBLocks_p_H -#define IxEthAccDBLocks_p_H - -#include "IxOsPrintf.h" - -/* Lock and lock stacks */ -typedef struct -{ - IxOsalFastMutex* locks[MAX_LOCKS]; - UINT32 stackPointer, basePointer; -} LockStack; - -#define TRY_LOCK(mutex) \ - { \ - if (ixOsalFastMutexTryLock(mutex) != IX_SUCCESS) \ - { \ - return IX_ETH_DB_BUSY; \ - } \ - } - - -#define UNLOCK(mutex) { ixOsalFastMutexUnlock(mutex); } - -#define INIT_STACK(stack) \ - { \ - (stack)->basePointer = 0; \ - (stack)->stackPointer = 0; \ - } - -#define PUSH_LOCK(stack, lock) \ - { \ - if ((stack)->stackPointer == MAX_LOCKS) \ - { \ - ERROR_LOG("Ethernet DB: maximum number of elements in a lock stack has been exceeded on push, heavy chaining?\n"); \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_NOMEM; \ - } \ - \ - if (ixOsalFastMutexTryLock(lock) == IX_SUCCESS) \ - { \ - (stack)->locks[(stack)->stackPointer++] = (lock); \ - } \ - else \ - { \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_BUSY; \ - } \ - } - -#define POP_LOCK(stack) \ - { \ - ixOsalFastMutexUnlock((stack)->locks[--(stack)->stackPointer]); \ - } - -#define UNROLL_STACK(stack) \ - { \ - while ((stack)->stackPointer > (stack)->basePointer) \ - { \ - POP_LOCK(stack); \ - } \ - } - -#define SHIFT_STACK(stack) \ - { \ - if ((stack)->basePointer == MAX_LOCKS - 1) \ - { \ - ERROR_LOG("Ethernet DB: maximum number of elements in a lock stack has been exceeded on shift, heavy chaining?\n"); \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_BUSY; \ - } \ - \ - ixOsalFastMutexUnlock((stack)->locks[(stack)->basePointer++]); \ - } - -#endif /* IxEthAccDBLocks_p_H */ |