Add PCI bus probe and enumeration routines.

[netwatch.git] / include / pci.h

diff --git a/include/pci.h b/include/pci.h
index 60b665f132f59480d1d99c47e14075ec39788b98..313b3e0d0570f39a5f8cb4ea6d8a9f01065e275e 100644 (file)
--- a/include/pci.h
+++ b/include/pci.h
@@ -16,4 +16,29 @@ uint32_t pci_read32(int bus, int slot, int fn, int addr);
 uint16_t pci_read16(int bus, int slot, int fn, int addr);
 uint8_t pci_read8(int bus, int slot, int fn, int addr);
 
+/* Hardware-agnostic functions implemented by pci.c */
+typedef enum {
+       PCI_BAR_NONE = 0,
+       PCI_BAR_MEMORY32,
+       PCI_BAR_MEMORY64,
+       PCI_BAR_IO
+} pci_bar_type_t;
+
+typedef struct pci_bar {
+       pci_bar_type_t type;
+       unsigned char prefetchable;
+       unsigned long addr;
+} pci_bar_t;
+
+typedef struct pci_dev {
+       unsigned short vid, did;
+       int bus, dev, fn;
+       pci_bar_t bars[6];
+} pci_dev_t;
+
+typedef int (*pci_probe_fn_t)(pci_dev_t *);
+
+void pci_bus_enum();
+int pci_probe(pci_probe_fn_t probe);
+
 #endif