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-rw-r--r--arch/ia64/include/asm/sn/pcibus_provider_defs.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/pcibus_provider_defs.h b/arch/ia64/include/asm/sn/pcibus_provider_defs.h
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+++ b/arch/ia64/include/asm/sn/pcibus_provider_defs.h
@@ -0,0 +1,68 @@
+/*
+ * 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, 2000-2005 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_TYPE_TIOCA 4
+#define PCIIO_ASIC_TYPE_TIOCE 5
+
+#define PCIIO_ASIC_MAX_TYPES 6
+
+/*
+ * 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 {
+ u32 bs_asic_type; /* chipset type */
+ u32 bs_xid; /* xwidget id */
+ u32 bs_persist_busnum; /* Persistent Bus Number */
+ u32 bs_persist_segment; /* Segment Number */
+ u64 bs_legacy_io; /* legacy io pio addr */
+ u64 bs_legacy_mem; /* legacy mem pio addr */
+ u64 bs_base; /* widget base */
+ struct xwidget_info *bs_xwidget_info;
+};
+
+struct pci_controller;
+/*
+ * SN pci bus indirection
+ */
+
+struct sn_pcibus_provider {
+ dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t, int flags);
+ dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t, int flags);
+ void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
+ void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *);
+ void (*force_interrupt)(struct sn_irq_info *);
+ void (*target_interrupt)(struct sn_irq_info *);
+};
+
+/*
+ * Flags used by the map interfaces
+ * bits 3:0 specifies format of passed in address
+ * bit 4 specifies that address is to be used for MSI
+ */
+
+#define SN_DMA_ADDRTYPE(x) ((x) & 0xf)
+#define SN_DMA_ADDR_PHYS 1 /* address is an xio address. */
+#define SN_DMA_ADDR_XIO 2 /* address is phys memory */
+#define SN_DMA_MSI 0x10 /* Bus address is to be used for MSI */
+
+extern struct sn_pcibus_provider *sn_pci_provider[];
+#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
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