1 files changed, 70 insertions, 0 deletions
diff --git a/src/core/pci_probe.c b/src/core/pci_probe.c
new file mode 100644
index 000000000..d7d55b2da
--- /dev/null
+++ b/src/core/pci_probe.c
@@ -0,0 +1,70 @@
+#ifdef CONFIG_PCI
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2, or (at
+ * your option) any later version.
+ */
+
+#include	"etherboot.h"
+#include	"nic.h"
+#include	"pci.h"
+
+void pci_enumerate(void)
+{
+	const struct pci_driver *driver;
+	for(driver = pci_drivers; driver < pci_drivers_end; driver++) {
+		printf("%s ", driver->name);
+	}
+}
+
+int pci_probe(struct dev *dev, const char *type_name)
+{
+/*
+ *	NIC probing is in pci device order, followed by the 
+ *      link order of the drivers.  A driver that matches 
+ *      on vendor and device id will supersede a driver
+ *      that matches on pci class.
+ *
+ *	If you want to probe for another device behind the same pci
+ *      device just increment index.  And the previous probe call
+ *      will be repeated.
+ */
+	struct pci_probe_state *state = &dev->state.pci;
+	printf("Probing pci %s...\n", type_name);
+	if (dev->how_probe == PROBE_FIRST) {
+		state->advance    = 1;
+		state->dev.driver = 0;
+		state->dev.bus    = 0;
+		state->dev.devfn  = 0;
+		dev->index        = -1;
+	}
+	for(;;) {
+		if ((dev->how_probe != PROBE_AWAKE) && state->advance) {
+			find_pci(dev->type, &state->dev);
+			dev->index = -1;
+		}
+		state->advance = 1;
+		
+		if (state->dev.driver == 0)
+			break;
+		
+		if (dev->how_probe != PROBE_AWAKE) {
+			dev->type_index++;
+		}
+		dev->devid.bus_type = PCI_BUS_TYPE;
+		dev->devid.vendor_id = htons(state->dev.vendor);
+		dev->devid.device_id = htons(state->dev.dev_id);
+		/* FIXME how do I handle dev->index + PROBE_AGAIN?? */
+		
+		printf("[%s]", state->dev.name);
+		if (state->dev.driver->probe(dev, &state->dev)) {
+			state->advance = (dev->index == -1);
+			return PROBE_WORKED;
+		}
+		putchar('\n');
+	}
+	return PROBE_FAILED;
+}
+
+#endif