feat(drivers): Implement NVMe PCIe SSD, AHCI SATA, Realtek RTL8139, Intel HD Audio (HDA), and USB 3.0 xHCI drivers + lsdev/lsblk tools

include/drivers/xhci.h

@@ -0,0 +1,25 @@
+#ifndef _DRIVERS_XHCI_H
+#define _DRIVERS_XHCI_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define XHCI_PCI_CLASS    0x0C
+#define XHCI_PCI_SUBCLASS 0x03
+#define XHCI_PCI_PROGIF   0x30
+
+typedef struct {
+    uint8_t  cap_length;
+    uint16_t hci_version;
+    uint32_t max_slots;
+    uint32_t max_ports;
+    uint32_t max_interrupters;
+    bool     initialized;
+} xhci_controller_info_t;
+
+bool xhci_init(void);
+bool xhci_is_detected(void);
+const xhci_controller_info_t* xhci_get_info(void);
+
+#endif // _DRIVERS_XHCI_H