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googlers / maze / linux / d381589834aa69f51f95b1e364fe79688692aab4 / . / drivers / pci / pcie / portdrv.h
blob: aaeb9d21cba5eab65b02aa1696a177e29def6d63 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * File: portdrv.h
3 * Purpose: PCI Express Port Bus Driver's Internal Data Structures
4 *
5 * Copyright (C) 2004 Intel
6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
7 */
8
9#ifndef _PORTDRV_H_
10#define _PORTDRV_H_
11
Andrew Morton3ec6a8d2006-09-25 16:52:20 -0700[diff] [blame]12#include <linux/compiler.h>
13
Kenji Kaneshigef9f45602009-11-25 21:06:51 +0900[diff] [blame]14#define PCIE_PORT_DEVICE_MAXSERVICES 4
Rafael J. Wysockib43d4512009-01-24 00:23:22 +0100[diff] [blame]15/*
Kenji Kaneshigef9f45602009-11-25 21:06:51 +0900[diff] [blame]16 * According to the PCI Express Base Specification 2.0, the indices of
17 * the MSI-X table entires used by port services must not exceed 31
Rafael J. Wysockib43d4512009-01-24 00:23:22 +0100[diff] [blame]18 */
19#define PCIE_PORT_MAX_MSIX_ENTRIES 32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20
21#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
22
23extern struct bus_type pcie_port_bus_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]24extern int pcie_port_device_register(struct pci_dev *dev);
25#ifdef CONFIG_PM
Rafael J. Wysocki3a3c2442009-02-15 22:32:48 +0100[diff] [blame]26extern int pcie_port_device_suspend(struct device *dev);
27extern int pcie_port_device_resume(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]28#endif
29extern void pcie_port_device_remove(struct pci_dev *dev);
Andrew Morton3ec6a8d2006-09-25 16:52:20 -0700[diff] [blame]30extern int __must_check pcie_port_bus_register(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]31extern void pcie_port_bus_unregister(void);
32
33#endif /* _PORTDRV_H_ */