afs: Implement YFS support in the fs client

Implement support for talking to YFS-variant fileservers in the cache
manager and the filesystem client.  These implement upgraded services on
the same port as their AFS services.

YFS fileservers provide expanded capabilities over AFS.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/fs/afs/protocol_yfs.h b/fs/afs/protocol_yfs.h
index b7b211dd9857..07bc10f076aa 100644
--- a/fs/afs/protocol_yfs.h
+++ b/fs/afs/protocol_yfs.h
@@ -30,6 +30,36 @@ enum YFS_CM_Operations {
 	YFSCBCallBack		= 64204,
 };
 
+enum YFS_FS_Operations {
+	YFSFETCHACL		= 64131, /* YFS Fetch file ACL */
+	YFSFETCHSTATUS		= 64132, /* YFS Fetch file status */
+	YFSSTOREACL		= 64134, /* YFS Store file ACL */
+	YFSSTORESTATUS		= 64135, /* YFS Store file status */
+	YFSREMOVEFILE		= 64136, /* YFS Remove a file */
+	YFSCREATEFILE		= 64137, /* YFS Create a file */
+	YFSRENAME		= 64138, /* YFS Rename or move a file or directory */
+	YFSSYMLINK		= 64139, /* YFS Create a symbolic link */
+	YFSLINK			= 64140, /* YFS Create a hard link */
+	YFSMAKEDIR		= 64141, /* YFS Create a directory */
+	YFSREMOVEDIR		= 64142, /* YFS Remove a directory */
+	YFSGETVOLUMESTATUS	= 64149, /* YFS Get volume status information */
+	YFSSETVOLUMESTATUS	= 64150, /* YFS Set volume status information */
+	YFSSETLOCK		= 64156, /* YFS Request a file lock */
+	YFSEXTENDLOCK		= 64157, /* YFS Extend a file lock */
+	YFSRELEASELOCK		= 64158, /* YFS Release a file lock */
+	YFSLOOKUP		= 64161, /* YFS lookup file in directory */
+	YFSFLUSHCPS		= 64165,
+	YFSFETCHOPAQUEACL	= 64168,
+	YFSWHOAMI		= 64170,
+	YFSREMOVEACL		= 64171,
+	YFSREMOVEFILE2		= 64173,
+	YFSSTOREOPAQUEACL2	= 64174,
+	YFSINLINEBULKSTATUS	= 64536, /* YFS Fetch multiple file statuses with errors */
+	YFSFETCHDATA64		= 64537, /* YFS Fetch file data */
+	YFSSTOREDATA64		= 64538, /* YFS Store file data */
+	YFSUPDATESYMLINK	= 64540,
+};
+
 struct yfs_xdr_u64 {
 	__be32			msw;
 	__be32			lsw;
@@ -55,3 +85,79 @@ struct yfs_xdr_YFSFid {
 	struct yfs_xdr_u64	volume;
 	struct yfs_xdr_vnode	vnode;
 } __packed;
+
+
+struct yfs_xdr_YFSFetchStatus {
+	__be32			type;
+	__be32			nlink;
+	struct yfs_xdr_u64	size;
+	struct yfs_xdr_u64	data_version;
+	struct yfs_xdr_u64	author;
+	struct yfs_xdr_u64	owner;
+	struct yfs_xdr_u64	group;
+	__be32			mode;
+	__be32			caller_access;
+	__be32			anon_access;
+	struct yfs_xdr_vnode	parent;
+	__be32			data_access_protocol;
+	struct yfs_xdr_u64	mtime_client;
+	struct yfs_xdr_u64	mtime_server;
+	__be32			lock_count;
+	__be32			abort_code;
+} __packed;
+
+struct yfs_xdr_YFSCallBack {
+	__be32			version;
+	struct yfs_xdr_u64	expiration_time;
+	__be32			type;
+} __packed;
+
+struct yfs_xdr_YFSStoreStatus {
+	__be32			mask;
+	__be32			mode;
+	struct yfs_xdr_u64	mtime_client;
+	struct yfs_xdr_u64	owner;
+	struct yfs_xdr_u64	group;
+} __packed;
+
+struct yfs_xdr_RPCFlags {
+	__be32			rpc_flags;
+} __packed;
+
+struct yfs_xdr_YFSVolSync {
+	struct yfs_xdr_u64	vol_creation_date;
+	struct yfs_xdr_u64	vol_update_date;
+	struct yfs_xdr_u64	max_quota;
+	struct yfs_xdr_u64	blocks_in_use;
+	struct yfs_xdr_u64	blocks_avail;
+} __packed;
+
+enum yfs_volume_type {
+	yfs_volume_type_ro = 0,
+	yfs_volume_type_rw = 1,
+};
+
+#define yfs_FVSOnline		0x1
+#define yfs_FVSInservice	0x2
+#define yfs_FVSBlessed		0x4
+#define yfs_FVSNeedsSalvage	0x8
+
+struct yfs_xdr_YFSFetchVolumeStatus {
+	struct yfs_xdr_u64	vid;
+	struct yfs_xdr_u64	parent_id;
+	__be32			flags;
+	__be32			type;
+	struct yfs_xdr_u64	max_quota;
+	struct yfs_xdr_u64	blocks_in_use;
+	struct yfs_xdr_u64	part_blocks_avail;
+	struct yfs_xdr_u64	part_max_blocks;
+	struct yfs_xdr_u64	vol_copy_date;
+	struct yfs_xdr_u64	vol_backup_date;
+} __packed;
+
+struct yfs_xdr_YFSStoreVolumeStatus {
+	__be32			mask;
+	struct yfs_xdr_u64	min_quota;
+	struct yfs_xdr_u64	max_quota;
+	struct yfs_xdr_u64	file_quota;
+} __packed;