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1da177e4 LT |
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_RC_PORT 4 /* Root port of RC */ | |
14 | #define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */ | |
15 | #define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */ | |
16 | #define PCIE_ANY_PORT 7 | |
17 | ||
18 | /* Service Type */ | |
b43d4513 RW |
19 | #define PCIE_PORT_SERVICE_PME_SHIFT 0 /* Power Management Event */ |
20 | #define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT) | |
21 | #define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */ | |
22 | #define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT) | |
23 | #define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */ | |
24 | #define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT) | |
25 | #define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */ | |
26 | #define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT) | |
1da177e4 LT |
27 | |
28 | /* Root/Upstream/Downstream Port's Interrupt Mode */ | |
90e9cd50 | 29 | #define PCIE_PORT_NO_IRQ (-1) |
1da177e4 LT |
30 | #define PCIE_PORT_INTx_MODE 0 |
31 | #define PCIE_PORT_MSI_MODE 1 | |
32 | #define PCIE_PORT_MSIX_MODE 2 | |
33 | ||
22106368 RW |
34 | struct pcie_port_data { |
35 | int port_type; /* Type of the port */ | |
36 | int port_irq_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ | |
1da177e4 LT |
37 | }; |
38 | ||
39 | struct pcie_device { | |
40 | int irq; /* Service IRQ/MSI/MSI-X Vector */ | |
22106368 RW |
41 | struct pci_dev *port; /* Root/Upstream/Downstream Port */ |
42 | u32 service; /* Port service this device represents */ | |
1da177e4 LT |
43 | void *priv_data; /* Service Private Data */ |
44 | struct device device; /* Generic Device Interface */ | |
45 | }; | |
46 | #define to_pcie_device(d) container_of(d, struct pcie_device, device) | |
47 | ||
48 | static inline void set_service_data(struct pcie_device *dev, void *data) | |
49 | { | |
50 | dev->priv_data = data; | |
51 | } | |
52 | ||
53 | static inline void* get_service_data(struct pcie_device *dev) | |
54 | { | |
55 | return dev->priv_data; | |
56 | } | |
57 | ||
58 | struct pcie_port_service_driver { | |
59 | const char *name; | |
0516c8bc | 60 | int (*probe) (struct pcie_device *dev); |
1da177e4 | 61 | void (*remove) (struct pcie_device *dev); |
3a3c244c | 62 | int (*suspend) (struct pcie_device *dev); |
1da177e4 LT |
63 | int (*resume) (struct pcie_device *dev); |
64 | ||
6c2b374d ZY |
65 | /* Service Error Recovery Handler */ |
66 | struct pci_error_handlers *err_handler; | |
67 | ||
68 | /* Link Reset Capability - AER service driver specific */ | |
69 | pci_ers_result_t (*reset_link) (struct pci_dev *dev); | |
70 | ||
22106368 RW |
71 | int port_type; /* Type of the port this driver can handle */ |
72 | u32 service; /* Port service this device represents */ | |
73 | ||
1da177e4 LT |
74 | struct device_driver driver; |
75 | }; | |
76 | #define to_service_driver(d) \ | |
77 | container_of(d, struct pcie_port_service_driver, driver) | |
78 | ||
79 | extern int pcie_port_service_register(struct pcie_port_service_driver *new); | |
80 | extern void pcie_port_service_unregister(struct pcie_port_service_driver *new); | |
81 | ||
82 | #endif /* _PCIEPORT_IF_H_ */ |