usb/controller/ehci.c

919 #define	EHCI_APPEND_FS_TD(std,last) (last) = _ehci_append_fs_td(std,last)
921 _ehci_append_fs_td(ehci_sitd_t *std, ehci_sitd_t *last)
923 	DPRINTFN(11, "%p to %p\n", std, last);
927 	std->next = last->next;
928 	std->sitd_next = last->sitd_next;
930 	std->prev = last;
932 	usb_pc_cpu_flush(std->page_cache);
935 	 * the last->next->prev is never followed: std->next->prev = std;
937 	last->next = std;
938 	last->sitd_next = std->sitd_self;
942 	return (std);
945 #define	EHCI_APPEND_HS_TD(std,last) (last) = _ehci_append_hs_td(std,last)
947 _ehci_append_hs_td(ehci_itd_t *std, ehci_itd_t *last)
949 	DPRINTFN(11, "%p to %p\n", std, last);
953 	std->next = last->next;
954 	std->itd_next = last->itd_next;
956 	std->prev = last;
958 	usb_pc_cpu_flush(std->page_cache);
961 	 * the last->next->prev is never followed: std->next->prev = std;
963 	last->next = std;
964 	last->itd_next = std->itd_self;
968 	return (std);
1003 #define	EHCI_REMOVE_FS_TD(std,last) (last) = _ehci_remove_fs_td(std,last)
1005 _ehci_remove_fs_td(ehci_sitd_t *std, ehci_sitd_t *last)
1007 	DPRINTFN(11, "%p from %p\n", std, last);
1011 	std->prev->next = std->next;
1012 	std->prev->sitd_next = std->sitd_next;
1014 	usb_pc_cpu_flush(std->prev->page_cache);
1016 	if (std->next) {
1017 		std->next->prev = std->prev;
1018 		usb_pc_cpu_flush(std->next->page_cache);
1020 	return ((last == std) ? std->prev : last);
1023 #define	EHCI_REMOVE_HS_TD(std,last) (last) = _ehci_remove_hs_td(std,last)
1025 _ehci_remove_hs_td(ehci_itd_t *std, ehci_itd_t *last)
1027 	DPRINTFN(11, "%p from %p\n", std, last);
1031 	std->prev->next = std->next;
1032 	std->prev->itd_next = std->itd_next;
1034 	usb_pc_cpu_flush(std->prev->page_cache);
1036 	if (std->next) {
1037 		std->next->prev = std->prev;
1038 		usb_pc_cpu_flush(std->next->page_cache);
1040 	return ((last == std) ? std->prev : last);