| 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 | int pcie_port_service_register(struct pcie_port_service_driver *new); |
| 66 | void pcie_port_service_unregister(struct pcie_port_service_driver *new); |
| 67 | |
| 68 | #endif /* _PCIEPORT_IF_H_ */ |