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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3a3c244c9a
Implement pm object for the PCI Express port driver in order to use the new power management framework and reduce the code size. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
49 lines
1.3 KiB
C
49 lines
1.3 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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#include <linux/compiler.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 PCIE_PORT_MSI_VECTOR_MASK 0x1f
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/*
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* According to the PCI Express Base Specification 2.0, the indices of the MSI-X
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* table entires used by port services must not exceed 31
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*/
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#define PCIE_PORT_MAX_MSIX_ENTRIES 32
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#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
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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 device *dev);
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extern int pcie_port_device_resume(struct device *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 __must_check 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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