Add qemu 2.4.0

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

diff --git a/qemu/roms/ipxe/src/include/ipxe/dhcpopts.h b/qemu/roms/ipxe/src/include/ipxe/dhcpopts.h
new file mode 100644 (file)
index 0000000..c5af5d7
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/dhcpopts.h
@@ -0,0 +1,43 @@
+#ifndef _IPXE_DHCPOPTS_H
+#define _IPXE_DHCPOPTS_H
+
+/** @file
+ *
+ * DHCP options
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+
+/** A DHCP options block */
+struct dhcp_options {
+       /** Option block raw data */
+       void *data;
+       /** Option block used length */
+       size_t used_len;
+       /** Option block allocated length */
+       size_t alloc_len;
+       /** Reallocate option block raw data
+        *
+        * @v options           DHCP option block
+        * @v len               New length
+        * @ret rc              Return status code
+        */
+       int ( * realloc ) ( struct dhcp_options *options, size_t len );
+};
+
+extern int dhcpopt_applies ( unsigned int tag );
+extern int dhcpopt_store ( struct dhcp_options *options, unsigned int tag,
+                          const void *data, size_t len );
+extern int dhcpopt_fetch ( struct dhcp_options *options, unsigned int tag,
+                          void *data, size_t len );
+extern void dhcpopt_init ( struct dhcp_options *options,
+                          void *data, size_t alloc_len,
+                          int ( * realloc ) ( struct dhcp_options *options,
+                                              size_t len ) );
+extern void dhcpopt_update_used_len ( struct dhcp_options *options );
+extern int dhcpopt_no_realloc ( struct dhcp_options *options, size_t len );
+
+#endif /* _IPXE_DHCPOPTS_H */