2 files changed, 109 insertions, 0 deletions

diff --git a/include/asm-ia64/sn/pcibus_provider_defs.h b/include/asm-ia64/sn/pcibus_provider_defs.h
new file mode 100644
index 000000000000..f546b4ece33c
--- /dev/null
+++ b/include/asm-ia64/sn/pcibus_provider_defs.h
@@ -0,0 +1,51 @@
+/*
+ * 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 */
diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h
new file mode 100644
index 000000000000..ed4031d80811
--- /dev/null
+++ b/include/asm-ia64/sn/pcidev.h
@@ -0,0 +1,58 @@
+/*
+ * 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_PCIDEV_H
+#define _ASM_IA64_SN_PCI_PCIDEV_H
+
+#include <linux/pci.h>
+
+extern struct sn_irq_info **sn_irq;
+
+#define SN_PCIDEV_INFO(pci_dev) \
+        ((struct pcidev_info *)(pci_dev)->sysdata)
+
+/*
+ * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
+ * this only works for root busses, not for busses represented by PPB's.
+ */
+
+#define SN_PCIBUS_BUSSOFT(pci_bus) \
+        ((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
+
+/*
+ * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
+ * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
+ * due to possible PPB's in the path.
+ */
+
+#define SN_PCIDEV_BUSSOFT(pci_dev) \
+        (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
+
+#define SN_PCIDEV_BUSPROVIDER(pci_dev) \
+        (SN_PCIDEV_INFO(pci_dev)->pdi_provider)
+
+#define PCIIO_BUS_NONE  255      /* bus 255 reserved */
+#define PCIIO_SLOT_NONE 255
+#define PCIIO_FUNC_NONE 255
+#define PCIIO_VENDOR_ID_NONE    (-1)
+
+struct pcidev_info {
+        uint64_t                pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
+        uint64_t                pdi_slot_host_handle;   /* Bus and devfn Host pci_dev */
+
+        struct pcibus_bussoft   *pdi_pcibus_info;       /* Kernel common bus soft */
+        struct pcidev_info      *pdi_host_pcidev_info;  /* Kernel Host pci_dev */
+        struct pci_dev          *pdi_linux_pcidev;      /* Kernel pci_dev */
+
+        struct sn_irq_info      *pdi_sn_irq_info;
+        struct sn_pcibus_provider *pdi_provider;        /* sn pci ops */
+};
+
+extern void sn_irq_fixup(struct pci_dev *pci_dev,
+                         struct sn_irq_info *sn_irq_info);
+
+#endif                          /* _ASM_IA64_SN_PCI_PCIDEV_H */