diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/sdk_fman/etc/mm.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/sdk_fman/etc/mm.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_fman/etc/mm.h b/drivers/net/ethernet/freescale/sdk_fman/etc/mm.h new file mode 100644 index 0000000..43b2298 --- /dev/null +++ b/drivers/net/ethernet/freescale/sdk_fman/etc/mm.h @@ -0,0 +1,105 @@ +/* + * Copyright 2008-2012 Freescale Semiconductor Inc. + * + * 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. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may 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") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + */ + + +/**************************************************************** + * + * File: mm.h + * + * + * Description: + * MM (Memory Management) object definitions. + * It also includes definitions of the Free Block, Busy Block + * and Memory Block structures used by the MM object. + * + ****************************************************************/ + +#ifndef __MM_H +#define __MM_H + + +#include "mm_ext.h" + +#define __ERR_MODULE__ MODULE_MM + + +#define MAKE_ALIGNED(addr, align) \ + (((uint64_t)(addr) + ((align) - 1)) & (~(((uint64_t)align) - 1))) + + +/* t_MemBlock data structure defines parameters of the Memory Block */ +typedef struct t_MemBlock +{ + struct t_MemBlock *p_Next; /* Pointer to the next memory block */ + + uint64_t base; /* Base address of the memory block */ + uint64_t end; /* End address of the memory block */ +} t_MemBlock; + + +/* t_FreeBlock data structure defines parameters of the Free Block */ +typedef struct t_FreeBlock +{ + struct t_FreeBlock *p_Next; /* Pointer to the next free block */ + + uint64_t base; /* Base address of the block */ + uint64_t end; /* End address of the block */ +} t_FreeBlock; + + +/* t_BusyBlock data structure defines parameters of the Busy Block */ +typedef struct t_BusyBlock +{ + struct t_BusyBlock *p_Next; /* Pointer to the next free block */ + + uint64_t base; /* Base address of the block */ + uint64_t end; /* End address of the block */ + char name[MM_MAX_NAME_LEN]; /* That block of memory was allocated for + something specified by the Name */ +} t_BusyBlock; + + +/* t_MM data structure defines parameters of the MM object */ +typedef struct t_MM +{ + t_Handle h_Spinlock; + + t_MemBlock *memBlocks; /* List of memory blocks (Memory list) */ + t_BusyBlock *busyBlocks; /* List of busy blocks (Busy list) */ + t_FreeBlock *freeBlocks[MM_MAX_ALIGNMENT + 1]; + /* Alignment lists of free blocks (Free lists) */ + + uint64_t freeMemSize; /* Total size of free memory (in bytes) */ +} t_MM; + + +#endif /* __MM_H */ |