| 1 | /* |
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| 2 | * File: pcieport_if.h |
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| 3 | * Purpose: PCI Express Port Bus Driver's IF Data Structure |
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| 4 | * |
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| 5 | * Copyright (C) 2004 Intel |
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| 6 | * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef _PCIEPORT_IF_H_ |
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| 10 | #define _PCIEPORT_IF_H_ |
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| 11 | |
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| 12 | #include <asm/types.h> |
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| 13 | |
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| 14 | /* Port Type */ |
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| 15 | #define PCIE_RC_PORT 4 /* Root port of RC */ |
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| 16 | #define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */ |
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| 17 | #define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */ |
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| 18 | #define PCIE_ANY_PORT 7 |
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| 19 | |
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| 20 | /* Service Type */ |
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| 21 | #define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */ |
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| 22 | #define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */ |
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| 23 | #define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */ |
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| 24 | #define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */ |
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| 25 | |
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| 26 | /* Root/Upstream/Downstream Port's Interrupt Mode */ |
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| 27 | #define PCIE_PORT_INTx_MODE 0 |
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| 28 | #define PCIE_PORT_MSI_MODE 1 |
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| 29 | #define PCIE_PORT_MSIX_MODE 2 |
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| 30 | |
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| 31 | struct pcie_port_service_id { |
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| 32 | __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ |
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| 33 | __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ |
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| 34 | __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ |
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| 35 | __u32 port_type, service_type; /* Port Entity */ |
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| 36 | kernel_ulong_t driver_data; |
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| 37 | }; |
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| 38 | |
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| 39 | struct pcie_device { |
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| 40 | int irq; /* Service IRQ/MSI/MSI-X Vector */ |
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| 41 | int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ |
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| 42 | struct pcie_port_service_id id; /* Service ID */ |
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| 43 | struct pci_dev *port; /* Root/Upstream/Downstream Port */ |
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| 44 | void *priv_data; /* Service Private Data */ |
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| 45 | struct device device; /* Generic Device Interface */ |
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| 46 | }; |
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| 47 | #define to_pcie_device(d) container_of(d, struct pcie_device, device) |
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| 48 | |
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| 49 | static inline void set_service_data(struct pcie_device *dev, void *data) |
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| 50 | { |
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| 51 | dev->priv_data = data; |
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| 52 | } |
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| 53 | |
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| 54 | static inline void* get_service_data(struct pcie_device *dev) |
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| 55 | { |
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| 56 | return dev->priv_data; |
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| 57 | } |
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| 58 | |
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| 59 | struct pcie_port_service_driver { |
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| 60 | const char *name; |
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| 61 | int (*probe) (struct pcie_device *dev, |
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| 62 | const struct pcie_port_service_id *id); |
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| 63 | void (*remove) (struct pcie_device *dev); |
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| 64 | int (*suspend) (struct pcie_device *dev, pm_message_t state); |
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| 65 | int (*resume) (struct pcie_device *dev); |
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| 66 | |
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| 67 | const struct pcie_port_service_id *id_table; |
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| 68 | struct device_driver driver; |
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| 69 | }; |
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| 70 | #define to_service_driver(d) \ |
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| 71 | container_of(d, struct pcie_port_service_driver, driver) |
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| 72 | |
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| 73 | extern int pcie_port_service_register(struct pcie_port_service_driver *new); |
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| 74 | extern void pcie_port_service_unregister(struct pcie_port_service_driver *new); |
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| 75 | |
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| 76 | #endif /* _PCIEPORT_IF_H_ */ |
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