2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
8 #ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
9 #define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
12 * SN pci asic types. Do not ever renumber these or reuse values. The
13 * values must agree with what prom thinks they are.
16 #define PCIIO_ASIC_TYPE_UNKNOWN 0
17 #define PCIIO_ASIC_TYPE_PPB 1
18 #define PCIIO_ASIC_TYPE_PIC 2
19 #define PCIIO_ASIC_TYPE_TIOCP 3
21 #define PCIIO_ASIC_MAX_TYPES 4
24 * Common pciio bus provider data. There should be one of these as the
25 * first field in any pciio based provider soft structure (e.g. pcibr_soft
29 struct pcibus_bussoft
{
30 uint32_t bs_asic_type
; /* chipset type */
31 uint32_t bs_xid
; /* xwidget id */
32 uint64_t bs_persist_busnum
; /* Persistent Bus Number */
33 uint64_t bs_legacy_io
; /* legacy io pio addr */
34 uint64_t bs_legacy_mem
; /* legacy mem pio addr */
35 uint64_t bs_base
; /* widget base */
36 struct xwidget_info
*bs_xwidget_info
;
40 * SN pci bus indirection
43 struct sn_pcibus_provider
{
44 dma_addr_t (*dma_map
)(struct pci_dev
*, unsigned long, size_t);
45 dma_addr_t (*dma_map_consistent
)(struct pci_dev
*, unsigned long, size_t);
46 void (*dma_unmap
)(struct pci_dev
*, dma_addr_t
, int);
47 void * (*bus_fixup
)(struct pcibus_bussoft
*);
50 extern struct sn_pcibus_provider
*sn_pci_provider
[];
51 #endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */