These changes are the raw update to qemu-2.6.

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

diff --git a/qemu/roms/ipxe/src/include/ipxe/peerdisc.h b/qemu/roms/ipxe/src/include/ipxe/peerdisc.h
new file mode 100644 (file)
index 0000000..f08ccaa
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/peerdisc.h
@@ -0,0 +1,116 @@
+#ifndef _IPXE_PEERDISC_H
+#define _IPXE_PEERDISC_H
+
+/** @file
+ *
+ * Peer Content Caching and Retrieval (PeerDist) protocol peer discovery
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+#include <ipxe/refcnt.h>
+#include <ipxe/list.h>
+#include <ipxe/tables.h>
+#include <ipxe/retry.h>
+#include <ipxe/socket.h>
+#include <ipxe/interface.h>
+#include <ipxe/pccrc.h>
+
+/** A PeerDist discovery socket */
+struct peerdisc_socket {
+       /** Name */
+       const char *name;
+       /** Data transfer interface */
+       struct interface xfer;
+       /** Socket address */
+       union {
+               struct sockaddr sa;
+               struct sockaddr_in sin;
+               struct sockaddr_in6 sin6;
+       } address;
+};
+
+/** PeerDist discovery socket table */
+#define PEERDISC_SOCKETS __table ( struct peerdisc_socket, "peerdisc_sockets" )
+
+/** Declare a PeerDist discovery socket */
+#define __peerdisc_socket __table_entry ( PEERDISC_SOCKETS, 01 )
+
+/** A PeerDist discovery segment */
+struct peerdisc_segment {
+       /** Reference count */
+       struct refcnt refcnt;
+       /** List of segments */
+       struct list_head list;
+       /** Segment identifier string
+        *
+        * This is MS-PCCRC's "HoHoDk", transcribed as an upper-case
+        * Base16-encoded string.
+        */
+       const char *id;
+       /** Message UUID string */
+       const char *uuid;
+       /** List of discovered peers
+        *
+        * The list of peers may be appended to during the lifetime of
+        * the discovery segment.  Discovered peers will not be
+        * removed from the list until the last discovery has been
+        * closed; this allows users to safely maintain a pointer to a
+        * current position within the list.
+        */
+       struct list_head peers;
+       /** List of active clients */
+       struct list_head clients;
+       /** Transmission timer */
+       struct retry_timer timer;
+};
+
+/** A PeerDist discovery peer */
+struct peerdisc_peer {
+       /** List of peers */
+       struct list_head list;
+       /** Peer location */
+       char location[0];
+};
+
+/** A PeerDist discovery client */
+struct peerdisc_client {
+       /** Discovery segment */
+       struct peerdisc_segment *segment;
+       /** List of clients */
+       struct list_head list;
+       /** Operations */
+       struct peerdisc_client_operations *op;
+};
+
+/** PeerDist discovery client operations */
+struct peerdisc_client_operations {
+       /** New peers have been discovered
+        *
+        * @v peerdisc          PeerDist discovery client
+        */
+       void ( * discovered ) ( struct peerdisc_client *peerdisc );
+};
+
+/**
+ * Initialise PeerDist discovery
+ *
+ * @v peerdisc         PeerDist discovery client
+ * @v op               Discovery operations
+ */
+static inline __attribute__ (( always_inline )) void
+peerdisc_init ( struct peerdisc_client *peerdisc,
+               struct peerdisc_client_operations *op ) {
+
+       peerdisc->op = op;
+}
+
+extern unsigned int peerdisc_timeout_secs;
+
+extern int peerdisc_open ( struct peerdisc_client *peerdisc, const void *id,
+                          size_t len );
+extern void peerdisc_close ( struct peerdisc_client *peerdisc );
+
+#endif /* _IPXE_PEERDISC_H */