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