These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / peermux.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/peermux.h b/qemu/roms/ipxe/src/include/ipxe/peermux.h
new file mode 100644 (file)
index 0000000..44cbdb9
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/peermux.h
@@ -0,0 +1,73 @@
+#ifndef _IPXE_PEERMUX_H
+#define _IPXE_PEERMUX_H
+
+/** @file
+ *
+ * Peer Content Caching and Retrieval (PeerDist) protocol multiplexer
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+#include <ipxe/list.h>
+#include <ipxe/refcnt.h>
+#include <ipxe/interface.h>
+#include <ipxe/process.h>
+#include <ipxe/uri.h>
+#include <ipxe/xferbuf.h>
+#include <ipxe/pccrc.h>
+
+/** Maximum number of concurrent block downloads */
+#define PEERMUX_MAX_BLOCKS 32
+
+/** PeerDist download content information cache */
+struct peerdist_info_cache {
+       /** Content information */
+       struct peerdist_info info;
+       /** Content information segment */
+       struct peerdist_info_segment segment;
+       /** Content information block */
+       struct peerdist_info_block block;
+};
+
+/** A PeerDist multiplexed block download */
+struct peerdist_multiplexed_block {
+       /** PeerDist download multiplexer */
+       struct peerdist_multiplexer *peermux;
+       /** List of multiplexed blocks */
+       struct list_head list;
+       /** Data transfer interface */
+       struct interface xfer;
+};
+
+/** A PeerDist download multiplexer */
+struct peerdist_multiplexer {
+       /** Reference count */
+       struct refcnt refcnt;
+       /** Data transfer interface */
+       struct interface xfer;
+       /** Content information interface */
+       struct interface info;
+       /** Original URI */
+       struct uri *uri;
+
+       /** Content information data transfer buffer */
+       struct xfer_buffer buffer;
+       /** Content information cache */
+       struct peerdist_info_cache cache;
+
+       /** Block download initiation process */
+       struct process process;
+       /** List of busy block downloads */
+       struct list_head busy;
+       /** List of idle block downloads */
+       struct list_head idle;
+       /** Block downloads */
+       struct peerdist_multiplexed_block block[PEERMUX_MAX_BLOCKS];
+};
+
+extern int peermux_filter ( struct interface *xfer, struct interface *info,
+                           struct uri *uri );
+
+#endif /* _IPXE_PEERMUX_H */