Kernel: Add basic PCI and very basic rtl8139 support

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/pci.h b/drivers/pci.h
new file mode 100644
index 0000000..6a8bc1c
--- /dev/null
+++ b/drivers/pci.h
@@ -0,0 +1,14 @@
+#include <stdint.h>
+
+struct PCI_DEVICE {
+  uint16_t vendor;
+  uint16_t device;
+  uint8_t bus;
+  uint8_t slot;
+};
+
+uint32_t pci_config_read32(const struct PCI_DEVICE *device, uint8_t func,
+                           uint8_t offset);
+
+int pci_populate_device_struct(uint16_t vendor, uint16_t device,
+                               struct PCI_DEVICE *pci_device);