| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * File: pcieport_if.h |
| * Purpose: PCI Express Port Bus Driver's IF Data Structure |
| * |
| * Copyright (C) 2004 Intel |
| * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) |
| */ |
| |
| #ifndef _PCIEPORT_IF_H_ |
| #define _PCIEPORT_IF_H_ |
| |
| /* Port Type */ |
| #define PCIE_ANY_PORT (~0) |
| |
| /* Service Type */ |
| #define PCIE_PORT_SERVICE_PME_SHIFT 0 /* Power Management Event */ |
| #define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT) |
| #define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */ |
| #define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT) |
| #define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */ |
| #define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT) |
| #define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */ |
| #define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT) |
| #define PCIE_PORT_SERVICE_DPC_SHIFT 4 /* Downstream Port Containment */ |
| #define PCIE_PORT_SERVICE_DPC (1 << PCIE_PORT_SERVICE_DPC_SHIFT) |
| |
| struct pcie_device { |
| int irq; /* Service IRQ/MSI/MSI-X Vector */ |
| struct pci_dev *port; /* Root/Upstream/Downstream Port */ |
| u32 service; /* Port service this device represents */ |
| void *priv_data; /* Service Private Data */ |
| struct device device; /* Generic Device Interface */ |
| }; |
| #define to_pcie_device(d) container_of(d, struct pcie_device, device) |
| |
| static inline void set_service_data(struct pcie_device *dev, void *data) |
| { |
| dev->priv_data = data; |
| } |
| |
| static inline void *get_service_data(struct pcie_device *dev) |
| { |
| return dev->priv_data; |
| } |
| |
| struct pcie_port_service_driver { |
| const char *name; |
| int (*probe) (struct pcie_device *dev); |
| void (*remove) (struct pcie_device *dev); |
| int (*suspend) (struct pcie_device *dev); |
| int (*resume) (struct pcie_device *dev); |
| |
| /* Device driver may resume normal operations */ |
| void (*error_resume)(struct pci_dev *dev); |
| |
| /* Link Reset Capability - AER service driver specific */ |
| pci_ers_result_t (*reset_link) (struct pci_dev *dev); |
| |
| int port_type; /* Type of the port this driver can handle */ |
| u32 service; /* Port service this device represents */ |
| |
| struct device_driver driver; |
| }; |
| #define to_service_driver(d) \ |
| container_of(d, struct pcie_port_service_driver, driver) |
| |
| int pcie_port_service_register(struct pcie_port_service_driver *new); |
| void pcie_port_service_unregister(struct pcie_port_service_driver *new); |
| |
| #endif /* _PCIEPORT_IF_H_ */ |