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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 */ | |
19 | #define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */ | |
20 | #define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */ | |
21 | #define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */ | |
22 | #define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */ | |
23 | ||
24 | /* Root/Upstream/Downstream Port's Interrupt Mode */ | |
25 | #define PCIE_PORT_INTx_MODE 0 | |
26 | #define PCIE_PORT_MSI_MODE 1 | |
27 | #define PCIE_PORT_MSIX_MODE 2 | |
28 | ||
29 | struct pcie_port_service_id { | |
30 | __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ | |
31 | __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ | |
32 | __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ | |
33 | __u32 port_type, service_type; /* Port Entity */ | |
34 | kernel_ulong_t driver_data; | |
35 | }; | |
36 | ||
37 | struct pcie_device { | |
38 | int irq; /* Service IRQ/MSI/MSI-X Vector */ | |
39 | int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ | |
40 | struct pcie_port_service_id id; /* Service ID */ | |
41 | struct pci_dev *port; /* Root/Upstream/Downstream Port */ | |
42 | void *priv_data; /* Service Private Data */ | |
43 | struct device device; /* Generic Device Interface */ | |
44 | }; | |
45 | #define to_pcie_device(d) container_of(d, struct pcie_device, device) | |
46 | ||
47 | static inline void set_service_data(struct pcie_device *dev, void *data) | |
48 | { | |
49 | dev->priv_data = data; | |
50 | } | |
51 | ||
52 | static inline void* get_service_data(struct pcie_device *dev) | |
53 | { | |
54 | return dev->priv_data; | |
55 | } | |
56 | ||
57 | struct pcie_port_service_driver { | |
58 | const char *name; | |
59 | int (*probe) (struct pcie_device *dev, | |
60 | const struct pcie_port_service_id *id); | |
61 | void (*remove) (struct pcie_device *dev); | |
7f4927c1 | 62 | int (*suspend) (struct pcie_device *dev, pm_message_t state); |
1da177e4 LT |
63 | int (*resume) (struct pcie_device *dev); |
64 | ||
65 | const struct pcie_port_service_id *id_table; | |
66 | struct device_driver driver; | |
67 | }; | |
68 | #define to_service_driver(d) \ | |
69 | container_of(d, struct pcie_port_service_driver, driver) | |
70 | ||
71 | extern int pcie_port_service_register(struct pcie_port_service_driver *new); | |
72 | extern void pcie_port_service_unregister(struct pcie_port_service_driver *new); | |
73 | ||
74 | #endif /* _PCIEPORT_IF_H_ */ |