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/*
* 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) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
/*
* SN pci asic types. Do not ever renumber these or reuse values. The
* values must agree with what prom thinks they are.
*/
#define PCIIO_ASIC_TYPE_UNKNOWN 0
#define PCIIO_ASIC_TYPE_PPB 1
#define PCIIO_ASIC_TYPE_PIC 2
#define PCIIO_ASIC_TYPE_TIOCP 3
#define PCIIO_ASIC_MAX_TYPES 4
/*
* Common pciio bus provider data. There should be one of these as the
* first field in any pciio based provider soft structure (e.g. pcibr_soft
* tioca_soft, etc).
*/
struct pcibus_bussoft {
uint32_t bs_asic_type; /* chipset type */
uint32_t bs_xid; /* xwidget id */
uint64_t bs_persist_busnum; /* Persistent Bus Number */
uint64_t bs_legacy_io; /* legacy io pio addr */
uint64_t bs_legacy_mem; /* legacy mem pio addr */
uint64_t bs_base; /* widget base */
struct xwidget_info *bs_xwidget_info;
};
/*
* SN pci bus indirection
*/
struct sn_pcibus_provider {
dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t);
dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t);
void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
void * (*bus_fixup)(struct pcibus_bussoft *);
};
extern struct sn_pcibus_provider *sn_pci_provider[];
#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
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