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
12 #include <linux/compiler.h>
13
14 #if !defined(PCI_CAP_ID_PME)
15 #define PCI_CAP_ID_PME 1
16 #endif
17
18 #if !defined(PCI_CAP_ID_EXP)
19 #define PCI_CAP_ID_EXP 0x10
20 #endif
21
22 #define PORT_TYPE_MASK 0xf
23 #define PORT_TO_SLOT_MASK 0x100
24 #define SLOT_HP_CAPABLE_MASK 0x40
25 #define PCIE_CAPABILITIES_REG 0x2
26 #define PCIE_SLOT_CAPABILITIES_REG 0x14
27 #define PCIE_PORT_DEVICE_MAXSERVICES 4
28 #define PCI_CFG_SPACE_SIZE 256
29
30 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
31
32 struct pcie_port_device_ext {
33 int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
34 };
35
36 extern struct bus_type pcie_port_bus_type;
37 extern int pcie_port_device_probe(struct pci_dev *dev);
38 extern int pcie_port_device_register(struct pci_dev *dev);
39 #ifdef CONFIG_PM
40 extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
41 extern int pcie_port_device_resume(struct pci_dev *dev);
42 #endif
43 extern void pcie_port_device_remove(struct pci_dev *dev);
44 extern int __must_check pcie_port_bus_register(void);
45 extern void pcie_port_bus_unregister(void);
46
47 #endif /* _PORTDRV_H_ */
48
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