Only allow CONFIG_XEN when not CONFIG_COREBOOT.

[seabios.git] / src / pci.h

diff --git a/src/pci.h b/src/pci.h
index 8a21c06b76898b8aaba6d9b977854771837fab80..9869a26d32d77a801429c98ec6f91d1d2c9315af 100644 (file)
--- a/src/pci.h
+++ b/src/pci.h
@@ -21,6 +21,9 @@ static inline u8 pci_bdf_to_fn(u16 bdf) {
 static inline u16 pci_to_bdf(int bus, int dev, int fn) {
     return (bus<<8) | (dev<<3) | fn;
 }
+static inline u16 pci_bus_devfn_to_bdf(int bus, u16 devfn) {
+    return (bus << 8) | devfn;
+}
 
 static inline u32 pci_vd(u16 vendor, u16 device) {
     return (device << 16) | vendor;
@@ -44,12 +47,64 @@ int pci_find_vga(void);
 int pci_find_device(u16 vendid, u16 devid);
 int pci_find_class(u16 classid);
 
+#define PP_ROOT      (1<<17)
+#define PP_PCIBRIDGE (1<<18)
+extern int *PCIpaths;
+void pci_path_setup(void);
+
 int pci_next(int bdf, int *pmax);
 #define foreachpci(BDF, MAX)                    \
     for (MAX=0x0100, BDF=pci_next(0, &MAX)      \
          ; BDF >= 0                             \
          ; BDF=pci_next(BDF+1, &MAX))
 
+#define foreachpci_in_bus(BDF, MAX, BUS)                                \
+    for (MAX = pci_bus_devfn_to_bdf(BUS, 0) + 0x0100,                   \
+         BDF = pci_next(pci_bus_devfn_to_bdf(BUS, 0), &MAX)             \
+         ; BDF >= 0 && BDF < pci_bus_devfn_to_bdf(BUS, 0) + 0x0100      \
+         ; MAX = pci_bus_devfn_to_bdf(BUS, 0) + 0x0100,                 \
+           BDF = pci_next(BDF + 1, &MAX))
+
+#define PCI_ANY_ID      (~0)
+struct pci_device_id {
+    u32 vendid;
+    u32 devid;
+    u32 class;
+    u32 class_mask;
+    void (*func)(u16 bdf, void *arg);
+};
+
+#define PCI_DEVICE(vendor_id, device_id, init_func)     \
+    {                                                   \
+        .vendid = (vendor_id),                          \
+        .devid = (device_id),                           \
+        .class = PCI_ANY_ID,                            \
+        .class_mask = 0,                                \
+        .func = (init_func)                             \
+    }
+
+#define PCI_DEVICE_CLASS(vendor_id, device_id, class_code, init_func)   \
+    {                                                                   \
+        .vendid = (vendor_id),                                          \
+        .devid = (device_id),                                           \
+        .class = (class_code),                                          \
+        .class_mask = ~0,                                               \
+        .func = (init_func)                                             \
+    }
+
+#define PCI_DEVICE_END                          \
+    {                                           \
+        .vendid = 0,                            \
+    }
+
+int pci_init_device(const struct pci_device_id *table, u16 bdf, void *arg);
+int pci_find_init_device(const struct pci_device_id *ids, void *arg);
+void pci_reboot(void);
+
+// helper functions to access pci mmio bars from real mode
+u32 pci_readl(u32 addr);
+void pci_writel(u32 addr, u32 val);
+
 // pirtable.c
 void create_pirtable(void);