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TOMOYO Linux Cross Reference
Linux/include/linux/pcieport_if.h

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  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_ */
 69 

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