69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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/****************************************************************************
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* Copyright (C) 2003-2006 by XGI Technology, Taiwan.
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* *
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* All Rights Reserved. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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* *
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR
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* ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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***************************************************************************/
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#ifndef _XGI_PCIE_H_
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#define _XGI_PCIE_H_
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#ifndef XGI_PCIE_ALLOC_MAX_ORDER
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#define XGI_PCIE_ALLOC_MAX_ORDER 1 /* 8K in Kernel 2.4.* */
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#endif
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struct xgi_page_block {
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struct xgi_page_block *next;
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unsigned long phys_addr;
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unsigned long virt_addr;
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unsigned long page_count;
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unsigned long page_order;
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};
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struct xgi_pcie_block {
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struct list_head list;
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unsigned long offset; /* block's offset in pcie memory, begin from 0 */
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unsigned long size; /* The block size. */
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unsigned long bus_addr; /* CPU access address/bus address */
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unsigned long hw_addr; /* GE access address */
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unsigned long page_count;
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unsigned long page_order;
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struct xgi_page_block *page_block;
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struct xgi_pte *page_table; /* list of physical pages allocated */
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atomic_t use_count;
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enum PcieOwner owner;
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unsigned long processID;
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};
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struct xgi_pcie_heap {
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struct list_head free_list;
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struct list_head used_list;
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struct list_head sort_list;
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unsigned long max_freesize;
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};
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#endif
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