diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/xfer.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/xfer.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/xfer.h b/qemu/roms/ipxe/src/include/ipxe/xfer.h deleted file mode 100644 index 3a35fa924..000000000 --- a/qemu/roms/ipxe/src/include/ipxe/xfer.h +++ /dev/null @@ -1,109 +0,0 @@ -#ifndef _IPXE_XFER_H -#define _IPXE_XFER_H - -/** @file - * - * Data transfer interfaces - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stddef.h> -#include <stdarg.h> -#include <ipxe/interface.h> - -struct xfer_metadata; -struct io_buffer; -struct sockaddr; -struct net_device; - -/** Data transfer metadata */ -struct xfer_metadata { - /** Flags - * - * This is the bitwise OR of zero or more @c XFER_FL_XXX - * constants. - */ - unsigned int flags; - /** Offset of data within stream - * - * This is an absolute offset if the @c XFER_FL_ABS_OFFSET - * flag is set, otherwise a relative offset. (A freshly - * zeroed @c xfer_metadata structure therefore represents a - * relative offset of zero, i.e. no offset from the current - * position.) - */ - off_t offset; - /** Source socket address, or NULL */ - struct sockaddr *src; - /** Destination socket address, or NULL */ - struct sockaddr *dest; - /** Network device, or NULL */ - struct net_device *netdev; -}; - -/** Offset is absolute */ -#define XFER_FL_ABS_OFFSET 0x0001 - -/** Sender is relinquishing use of half-duplex channel */ -#define XFER_FL_OVER 0x0002 - -/** This is the final data transfer */ -#define XFER_FL_OUT 0x0004 - -/** Data content represents a command or status message - * - * The flag @c XFER_FL_RESPONSE is used to distinguish between a - * command message and a status message. - */ -#define XFER_FL_CMD_STAT 0x0008 - -/** Data content is a response */ -#define XFER_FL_RESPONSE 0x0010 - -/* Data transfer interface operations */ - -extern int xfer_vredirect ( struct interface *intf, int type, - va_list args ); -#define xfer_vredirect_TYPE( object_type ) \ - typeof ( int ( object_type, int type, va_list args ) ) - -extern size_t xfer_window ( struct interface *intf ); -#define xfer_window_TYPE( object_type ) \ - typeof ( size_t ( object_type ) ) - -extern void xfer_window_changed ( struct interface *intf ); -#define xfer_window_changed_TYPE( object_type ) \ - typeof ( void ( object_type ) ) - -extern struct io_buffer * xfer_alloc_iob ( struct interface *intf, - size_t len ); -#define xfer_alloc_iob_TYPE( object_type ) \ - typeof ( struct io_buffer * ( object_type, size_t len ) ) - -extern int xfer_deliver ( struct interface *intf, - struct io_buffer *iobuf, - struct xfer_metadata *meta ); -#define xfer_deliver_TYPE( object_type ) \ - typeof ( int ( object_type, struct io_buffer *iobuf, \ - struct xfer_metadata *meta ) ) - -/* Data transfer interface helper functions */ - -extern int xfer_redirect ( struct interface *xfer, int type, ... ); -extern int xfer_deliver_iob ( struct interface *intf, - struct io_buffer *iobuf ); -extern int xfer_deliver_raw_meta ( struct interface *intf, const void *data, - size_t len, struct xfer_metadata *meta ); -extern int xfer_deliver_raw ( struct interface *intf, - const void *data, size_t len ); -extern int xfer_vprintf ( struct interface *intf, - const char *format, va_list args ); -extern int __attribute__ (( format ( printf, 2, 3 ) )) -xfer_printf ( struct interface *intf, const char *format, ... ); -extern int xfer_seek ( struct interface *intf, off_t offset ); -extern int xfer_check_order ( struct xfer_metadata *meta, size_t *pos, - size_t len ); - -#endif /* _IPXE_XFER_H */ |