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Diffstat (limited to 'src/include/device/pci.h')
-rw-r--r--src/include/device/pci.h24
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 */