Add physical page interface

Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c

@@ -52,4 +52,15 @@ void *usb_hc_malloc_align(size_t align, size_t size)
 void usb_hc_free(void* ptr){
     if(ptr != NULL)
         free(ptr);
+}
+
+
+usb_dir_page_t usb_alloc_dir_page(int len, int flag, int headroom_len){
+    return NULL;
+}
+
+
+
+void usb_free_dir_page(usb_dir_page_t page){
+
 }

Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h

@@ -23,6 +23,7 @@ Modification: Use usb_malloc, usb_free and usb_align functions
 #define USB_MEM_H_
 
 #include <stddef.h>
+#include <stdint.h>
 #include "usb_config.h"
 
 #define USB_MEM_ALIGNX __attribute__((aligned(CONFIG_USB_ALIGN_SIZE)))
@@ -35,5 +36,20 @@ void *usb_hc_malloc_align(size_t align, size_t size);
 #define usb_free(ptr)                       usb_hc_free(ptr)
 #define usb_align(align, size)              usb_hc_malloc_align(align, size)  
 
+struct usb_dir_page{
+    uint64_t vir_addr;
+    uint64_t phy_addr;
+    uint32_t size;
+    uint32_t len;
+    uint32_t flag;
+    uint32_t headroom_len;
+}__PACKED;
+
+typedef struct usb_dir_page *usb_dir_page_t;
+
+usb_dir_page_t usb_alloc_dir_page(int len, int flag, int headroom_len);
+void usb_free_dir_page(usb_dir_page_t page);
+
+
 
 #endif