/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2003-2005 Silicon Graphics, Inc. All rights reserved.
*/

#ifndef _ASM_IA64_SN_CE_PROVIDER_H
#define _ASM_IA64_SN_CE_PROVIDER_H

#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/tioce.h>

/*
* Common TIOCE structure shared between the prom and kernel
*
* DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE
* PROM VERSION.
*/
struct tioce_common {
struct pcibus_bussoft ce_pcibus; /* common pciio header */

u32 ce_rev;
u64 ce_kernel_private;
u64 ce_prom_private;
};

struct tioce_kernel {
struct tioce_common *ce_common;
spinlock_t ce_lock;
struct list_head ce_dmamap_list;

u64 ce_ate40_shadow[TIOCE_NUM_M40_ATES];
u64 ce_ate3240_shadow[TIOCE_NUM_M3240_ATES];
u32 ce_ate3240_pagesize;

u8 ce_port1_secondary;

/* per-port resources */
struct {
int dirmap_refcnt;
u64 dirmap_shadow;
} ce_port[TIOCE_NUM_PORTS];
};

struct tioce_dmamap {
struct list_head ce_dmamap_list; /* headed by tioce_kernel */
u32 refcnt;

u64 nbytes; /* # bytes mapped */

u64 ct_start; /* coretalk start address */
u64 pci_start; /* bus start address */

u64 __iomem *ate_hw;/* hw ptr of first ate in map */
u64 *ate_shadow; /* shadow ptr of firat ate */
u16 ate_count; /* # ate's in the map */
};

extern int tioce_init_provider(void);

#endif /* __ASM_IA64_SN_CE_PROVIDER_H */