diff options
Diffstat (limited to 'src/include/device/pci.h')
| -rw-r--r-- | src/include/device/pci.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/include/device/pci.h b/src/include/device/pci.h index 228d4f6e7e..2c9797fa6c 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -26,6 +26,16 @@ struct pci_operations { void (*set_subsystem)(device_t dev, unsigned vendor, unsigned device); }; +/* Common pci bus operations */ +struct pci_bus_operations { + uint8_t (*read8) (struct bus *pbus, unsigned char bus, int devfn, int where); + uint16_t (*read16) (struct bus *pbus, unsigned char bus, int devfn, int where); + uint32_t (*read32) (struct bus *pbus, unsigned char bus, int devfn, int where); + void (*write8) (struct bus *pbus, unsigned char bus, int devfn, int where, uint8_t val); + void (*write16) (struct bus *pbus, unsigned char bus, int devfn, int where, uint16_t val); + void (*write32) (struct bus *pbus, unsigned char bus, int devfn, int where, uint32_t val); +}; + struct pci_driver { struct device_operations *ops; unsigned short vendor; @@ -55,9 +65,9 @@ void pci_dev_set_subsystem(device_t dev, unsigned vendor, unsigned device); #define PCI_IO_BRIDGE_ALIGN 4096 #define PCI_MEM_BRIDGE_ALIGN (1024*1024) -static inline struct pci_operations *ops_pci(device_t dev) +static inline const struct pci_operations *ops_pci(device_t dev) { - struct pci_operations *pops; + const struct pci_operations *pops; pops = 0; if (dev && dev->ops) { pops = dev->ops->ops_pci; @@ -65,4 +75,14 @@ static inline struct pci_operations *ops_pci(device_t dev) return pops; } +static inline const struct pci_bus_operations *ops_pci_bus(struct bus *bus) +{ + const struct pci_bus_operations *bops; + bops = 0; + if (bus && bus->dev && bus->dev->ops) { + bops = bus->dev->ops->ops_pci_bus; + } + return bops; +} + #endif /* PCI_H */ |