// PCI device header format
// Ref: "PCI Local Bus Specification, Rev.3, Section 6.1"
+#define BAR_TYPE_MMIO 0x1
+#define BAR_TYPE_CACHABLE 0x2
+
+struct pci_base_addr
+{
+ uint32_t start;
+ uint32_t size;
+ uint32_t type;
+};
+
struct pci_device
{
struct llist_header dev_chain;
uint32_t cspace_base;
uint32_t msi_loc;
uint16_t intr_info;
+ struct pci_base_addr bar[6];
};
// PCI Configuration Space (C-Space) r/w:
void
pci_init();
-void
-pci_print_device();
-
/**
* @brief 根据类型代码(Class Code)去在拓扑中寻找一个设备
* 类型代码请参阅: PCI LB Spec. Appendix D.