drm/linux-core/xgi_pcie.h

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#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