Read USB mass storage sector count and sector size!

kernel/device/storage/usbdrv.h

@@ -0,0 +1,63 @@
+#ifndef _KERNEL_DEVICE_STORAGE_USBDRV_H
+#define _KERNEL_DEVICE_STORAGE_USBDRV_H
+
+#include <device/def_device_op.h>
+#include <device/usb/usb.h>
+#include <device/usb/xhci.h>
+#include <libk/std.h>
+
+#define USB_CBW_SIGNATURE 0x43425355
+
+/* command block wrapper */
+struct usb_ms_cbw {
+  uint32_t signature;
+  uint32_t tag;
+  uint32_t length;
+  uint8_t dir;
+  uint8_t lun;
+  uint8_t cmd_len;
+  uint8_t data[16];
+} PACKED;
+
+#define USB_CSW_SIGNATURE 0x53425355
+
+/* command status wrapper */
+struct usb_ms_csw {
+  uint32_t signature;
+  uint32_t tag;
+  uint32_t residue;
+  uint8_t status;
+} PACKED;
+
+struct device;
+
+struct usbdrv_init {
+  struct xhci* xhci;
+  struct xhci_usb_device* usb_device;
+  uint64_t* lockflags;
+};
+
+struct usbdrv {
+  struct xhci* xhci;
+  struct xhci_usb_device* usb_device;
+  size_t sector_size;
+  size_t sector_count;
+  struct usb_endpoint_desc bulk_in;
+  struct usb_endpoint_desc bulk_out;
+};
+
+DEFINE_DEVICE_INIT (usbdrv_init);
+
+DEFINE_DEVICE_FINI (usbdrv_fini);
+
+DEFINE_DEVICE_OP (usbdrv_read);
+
+DEFINE_DEVICE_OP (usbdrv_write);
+
+DEFINE_DEVICE_OP (usbdrv_get_device_type);
+
+DEFINE_DEVICE_OP (usbdrv_get_sector_size);
+
+DEFINE_DEVICE_OP (usbdrv_get_size);
+
+#endif // _KERNEL_DEVICE_STORAGE_USBDRV_H