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