20d516602c
Have pcie_port_bus_register() notice and return errors. Mark it __must_check so that its caller(s) must check its return value. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* File: portdrv.h
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* Purpose: PCI Express Port Bus Driver's Internal Data Structures
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*
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* Copyright (C) 2004 Intel
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* Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
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*/
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#ifndef _PORTDRV_H_
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#define _PORTDRV_H_
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#if !defined(PCI_CAP_ID_PME)
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#define PCI_CAP_ID_PME 1
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#endif
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#if !defined(PCI_CAP_ID_EXP)
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#define PCI_CAP_ID_EXP 0x10
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#endif
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#define PORT_TYPE_MASK 0xf
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#define PORT_TO_SLOT_MASK 0x100
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#define SLOT_HP_CAPABLE_MASK 0x40
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#define PCIE_CAPABILITIES_REG 0x2
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#define PCIE_SLOT_CAPABILITIES_REG 0x14
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#define PCIE_PORT_DEVICE_MAXSERVICES 4
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#define PCI_CFG_SPACE_SIZE 256
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#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
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struct pcie_port_device_ext {
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int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
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};
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extern struct bus_type pcie_port_bus_type;
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extern int pcie_port_device_probe(struct pci_dev *dev);
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extern int pcie_port_device_register(struct pci_dev *dev);
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#ifdef CONFIG_PM
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extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
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extern int pcie_port_device_resume(struct pci_dev *dev);
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#endif
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extern void pcie_port_device_remove(struct pci_dev *dev);
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extern int pcie_port_bus_register(void);
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extern void pcie_port_bus_unregister(void);
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#endif /* _PORTDRV_H_ */
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