cleanup

[netwatch.git] / pci / pci.h

diff --git a/pci/pci.h b/pci/pci.h
new file mode 100644 (file)
index 0000000..729f9c0
--- /dev/null
+++ b/pci/pci.h
@@ -0,0 +1,17 @@
+#ifndef PCI_H
+#define PCI_H
+
+/* General PCI functions. This is implemented by pci-linux.c and pci-raw.c; the
+ * former uses Linux's /proc/bus/pci interface for access from userspace, while
+ * the latter accesses the PCI hardware directly.
+ */
+
+void pci_write32(int bus, int slot, int fn, int addr, uint32_t data);
+void pci_write16(int bus, int slot, int fn, int addr, uint16_t data);
+void pci_write8(int bus, int slot, int fn, int addr, uint8_t data);
+
+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);
+
+#endif