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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * File: pcieport_if.h | |
4 | * Purpose: PCI Express Port Bus Driver's IF Data Structure | |
5 | * | |
6 | * Copyright (C) 2004 Intel | |
7 | * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) | |
8 | */ | |
9 | ||
10 | #ifndef _PCIEPORT_IF_H_ | |
11 | #define _PCIEPORT_IF_H_ | |
12 | ||
13 | /* Port Type */ | |
694f88ef | 14 | #define PCIE_ANY_PORT (~0) |
1da177e4 LT |
15 | |
16 | /* Service Type */ | |
b43d4513 RW |
17 | #define PCIE_PORT_SERVICE_PME_SHIFT 0 /* Power Management Event */ |
18 | #define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT) | |
19 | #define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */ | |
20 | #define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT) | |
21 | #define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */ | |
22 | #define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT) | |
23 | #define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */ | |
24 | #define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT) | |
10126ac1 KB |
25 | #define PCIE_PORT_SERVICE_DPC_SHIFT 4 /* Downstream Port Containment */ |
26 | #define PCIE_PORT_SERVICE_DPC (1 << PCIE_PORT_SERVICE_DPC_SHIFT) | |
1da177e4 | 27 | |
1da177e4 | 28 | struct pcie_device { |
f7625980 | 29 | int irq; /* Service IRQ/MSI/MSI-X Vector */ |
22106368 RW |
30 | struct pci_dev *port; /* Root/Upstream/Downstream Port */ |
31 | u32 service; /* Port service this device represents */ | |
1da177e4 LT |
32 | void *priv_data; /* Service Private Data */ |
33 | struct device device; /* Generic Device Interface */ | |
34 | }; | |
35 | #define to_pcie_device(d) container_of(d, struct pcie_device, device) | |
36 | ||
37 | static inline void set_service_data(struct pcie_device *dev, void *data) | |
38 | { | |
39 | dev->priv_data = data; | |
40 | } | |
41 | ||
96291d56 | 42 | static inline void *get_service_data(struct pcie_device *dev) |
1da177e4 LT |
43 | { |
44 | return dev->priv_data; | |
45 | } | |
46 | ||
47 | struct pcie_port_service_driver { | |
48 | const char *name; | |
0516c8bc | 49 | int (*probe) (struct pcie_device *dev); |
1da177e4 | 50 | void (*remove) (struct pcie_device *dev); |
3a3c244c | 51 | int (*suspend) (struct pcie_device *dev); |
1da177e4 LT |
52 | int (*resume) (struct pcie_device *dev); |
53 | ||
c5dc3c69 CH |
54 | /* Device driver may resume normal operations */ |
55 | void (*error_resume)(struct pci_dev *dev); | |
6c2b374d ZY |
56 | |
57 | /* Link Reset Capability - AER service driver specific */ | |
58 | pci_ers_result_t (*reset_link) (struct pci_dev *dev); | |
59 | ||
22106368 RW |
60 | int port_type; /* Type of the port this driver can handle */ |
61 | u32 service; /* Port service this device represents */ | |
62 | ||
1da177e4 LT |
63 | struct device_driver driver; |
64 | }; | |
65 | #define to_service_driver(d) \ | |
66 | container_of(d, struct pcie_port_service_driver, driver) | |
67 | ||
f39d5b72 BH |
68 | int pcie_port_service_register(struct pcie_port_service_driver *new); |
69 | void pcie_port_service_unregister(struct pcie_port_service_driver *new); | |
1da177e4 LT |
70 | |
71 | #endif /* _PCIEPORT_IF_H_ */ |