Release 4.14 arch/ia64/include/asm/sn/pcidev.h
/*
* 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, 2000-2006 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_PCI_PCIDEV_H
#define _ASM_IA64_SN_PCI_PCIDEV_H
#include <linux/pci.h>
/*
* In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
* the pcidev_info structs for all devices under a controller, we keep a
* list of pcidev_info under pci_controller->platform_data.
*/
struct sn_platform_data {
void *provider_soft;
struct list_head pcidev_info;
};
#define SN_PLATFORM_DATA(busdev) \
((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data))
#define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev)
/*
* 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 *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
/*
* 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 {
u64 pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
u64 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 */
struct pci_dev *host_pci_dev; /* host bus link */
struct list_head pdi_list; /* List of pcidev_info */
};
extern void sn_irq_fixup(struct pci_dev *pci_dev,
struct sn_irq_info *sn_irq_info);
extern void sn_irq_unfixup(struct pci_dev *pci_dev);
extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
extern void sn_bus_fixup(struct pci_bus *);
extern void sn_acpi_bus_fixup(struct pci_bus *);
extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *);
extern void sn_bus_store_sysdata(struct pci_dev *dev);
extern void sn_bus_free_sysdata(void);
extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
extern void sn_io_slot_fixup(struct pci_dev *);
extern void sn_acpi_slot_fixup(struct pci_dev *);
extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *,
struct sn_irq_info *);
extern void sn_pci_unfixup_slot(struct pci_dev *dev);
extern void sn_irq_lh_init(void);
#endif /* _ASM_IA64_SN_PCI_PCIDEV_H */
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