img: Needed declarations for irmap-cache image file

The irmap-cache is PB-file (like the stat-* ones).
See commtns in next patches for more details.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-show.c

@@ -320,6 +320,7 @@ static struct show_image_info show_infos[] = {
 	SHOW_PLAIN(RLIMIT),
 	SHOW_PLAIN(TUNFILE),
 	SHOW_PLAINS(EXT_FILE),
+	SHOW_PLAIN(IRMAP_CACHE),
 
 	{ TCP_STREAM_MAGIC,	PB_TCP_STREAM,		true,	show_tcp_stream, "1:%u 2:%u 3:%u 4:%u 12:%u", },
 	{ STATS_MAGIC,		PB_STATS,		true,	NULL, "1.1:%u 1.2:%u 1.3:%u 1.4:%u 1.5:%Lu 1.6:%Lu 1.7:%Lu", },

image-desc.c

@@ -81,4 +81,9 @@ struct cr_fd_desc_tmpl fdset_template[CR_FD_MAX] = {
 		.fmt	= "stats-%s",
 		.magic	= STATS_MAGIC,
 	},
+
+	[CR_FD_IRMAP_CACHE] = {
+		.fmt	= "irmap-cache",
+		.magic	= IRMAP_CACHE_MAGIC,
+	},
 };

include/image-desc.h

@@ -87,6 +87,8 @@ enum {
 	CR_FD_PAGES_OLD,
 	CR_FD_SHM_PAGES_OLD,
 
+	CR_FD_IRMAP_CACHE,
+
 	CR_FD_MAX
 };
 

include/magic.h

@@ -81,4 +81,6 @@
 #define PAGES_OLD_MAGIC		PAGEMAP_MAGIC
 #define SHM_PAGES_OLD_MAGIC	PAGEMAP_MAGIC
 
+#define IRMAP_CACHE_MAGIC	0x57004059 /* Ivanovo */
+
 #endif /* __CR_MAGIC_H__ */

include/protobuf-desc.h

@@ -49,6 +49,7 @@ enum {
 	PB_PAGEMAP,
 	PB_SIGINFO,
 	PB_TUNFILE,
+	PB_IRMAP_CACHE,
 
 	/* PB_AUTOGEN_STOP */
 

protobuf/fh.proto

@@ -10,3 +10,9 @@ message fh_entry {
 	repeated uint64		handle	= 3;
 	optional string		path	= 4;
 }
+
+message irmap_cache_entry {
+	required uint32		dev = 1;
+	required uint64		inode = 2;
+	required string		path = 3;
+}