diff options
Diffstat (limited to 'linux-core/xgi_pcie.h')
-rw-r--r-- | linux-core/xgi_pcie.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/linux-core/xgi_pcie.h b/linux-core/xgi_pcie.h new file mode 100644 index 00000000..b66d6a28 --- /dev/null +++ b/linux-core/xgi_pcie.h @@ -0,0 +1,68 @@ + +/**************************************************************************** + * 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 + +struct xgi_page_block { + struct xgi_page_block *next; + unsigned long phys_addr; + unsigned long virt_addr; + unsigned long page_count; + unsigned long page_order; +}; + +struct xgi_pcie_block { + 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; + struct xgi_page_block *page_block; + struct xgi_pte *page_table; /* list of physical pages allocated */ + + atomic_t use_count; + enum PcieOwner owner; + unsigned long processID; +}; + +struct xgi_pcie_heap { + struct list_head free_list; + struct list_head used_list; + struct list_head sort_list; + unsigned long max_freesize; +}; + +#endif |