mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 08:31:55 +00:00
6f354b014b
This patch is the SGI hotplug driver and additional changes required for the driver. These modifications include changes to the SN io_init.c code for memory management, the inclusion of new SAL calls to enable and disable PCI slots, and a hotplug-style driver. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
|
|
* 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>
|
|
|
|
#define SN_PCIDEV_INFO(pci_dev) \
|
|
((struct pcidev_info *)(pci_dev)->sysdata)
|
|
|
|
#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
|
|
(struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
|
|
/*
|
|
* 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))
|
|
|
|
#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
|
|
(struct pcibus_info *)((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 */
|
|
struct pci_dev *host_pci_dev; /* host bus link */
|
|
};
|
|
|
|
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 void sn_pci_controller_fixup(int segment, int busnum,
|
|
struct pci_bus *bus);
|
|
extern void sn_bus_store_sysdata(struct pci_dev *dev);
|
|
extern void sn_bus_free_sysdata(void);
|
|
extern void sn_pci_fixup_slot(struct pci_dev *dev);
|
|
extern void sn_pci_unfixup_slot(struct pci_dev *dev);
|
|
extern void sn_irq_lh_init(void);
|
|
#endif /* _ASM_IA64_SN_PCI_PCIDEV_H */
|