projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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_ */ |