Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 91a90380 authored by David Howells's avatar David Howells
Browse files

afs: Add some protocol defs 



Add some protocol definitions, including max field lengths, flag defs, an
XDR-encoded UUID def, more VL operation IDs and more fileserver abort
codes.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 9ed900b1

fs/afs/afs.h

+20 −5
Original line number Diff line number Diff line
@@ -14,11 +14,14 @@ 


#include <linux/in.h>



#define AFS_MAXCELLNAME	64		/* maximum length of a cell name */

#define AFS_MAXVOLNAME	64		/* maximum length of a volume name */

#define AFSNAMEMAX	256		/* maximum length of a filename plus NUL */

#define AFSPATHMAX	1024		/* maximum length of a pathname plus NUL */

#define AFSOPAQUEMAX	1024		/* maximum length of an opaque field */

#define AFS_MAXCELLNAME		64  	/* Maximum length of a cell name */

#define AFS_MAXVOLNAME		64  	/* Maximum length of a volume name */

#define AFS_MAXNSERVERS		8   	/* Maximum servers in a basic volume record */

#define AFS_NMAXNSERVERS	13  	/* Maximum servers in a N/U-class volume record */

#define AFS_MAXTYPES		3	/* Maximum number of volume types */

#define AFSNAMEMAX		256 	/* Maximum length of a filename plus NUL */

#define AFSPATHMAX		1024	/* Maximum length of a pathname plus NUL */

#define AFSOPAQUEMAX		1024	/* Maximum length of an opaque field */



typedef unsigned			afs_volid_t;

typedef unsigned			afs_vnodeid_t;
@@ -176,4 +179,16 @@ struct afs_volume_status { 


#define AFS_BLOCK_SIZE	1024



/*

 * XDR encoding of UUID in AFS.

 */

struct afs_uuid__xdr {

	__be32		time_low;

	__be32		time_mid;

	__be32		time_hi_and_version;

	__be32		clock_seq_hi_and_reserved;

	__be32		clock_seq_low;

	__be32		node[6];

};



#endif /* AFS_H */

fs/afs/afs_fs.h

+4 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ enum AFS_FS_Operations { 
};



enum AFS_FS_Errors {

	VRESTARTING	= -100,	/* Server is restarting */

	VSALVAGE	= 101,	/* volume needs salvaging */

	VNOVNODE	= 102,	/* no such file/dir (vnode) */

	VNOVOL		= 103,	/* no such volume or volume unavailable */
@@ -51,6 +52,9 @@ enum AFS_FS_Errors { 
	VOVERQUOTA	= 109,	/* volume's maximum quota exceeded */

	VBUSY		= 110,	/* volume is temporarily unavailable */

	VMOVED		= 111,	/* volume moved to new server - ask this FS where */

	VIO		= 112,	/* I/O error in volume */

	VSALVAGING	= 113,	/* Volume is being salvaged */

	VRESTRICTED	= 120,	/* Volume is restricted from using  */

};



#endif /* AFS_FS_H */

fs/afs/afs_vl.h

+11 −4
Original line number Diff line number Diff line
@@ -18,9 +18,12 @@ 
#define VL_SERVICE		52	/* RxRPC service ID for the Volume Location service */



enum AFSVL_Operations {

	VLGETENTRYBYID		= 503,	/* AFS Get Cache Entry By ID operation ID */

	VLGETENTRYBYNAME	= 504,	/* AFS Get Cache Entry By Name operation ID */

	VLPROBE			= 514,	/* AFS Probe Volume Location Service operation ID */

	VLGETENTRYBYID		= 503,	/* AFS Get VLDB entry by ID */

	VLGETENTRYBYNAME	= 504,	/* AFS Get VLDB entry by name */

	VLPROBE			= 514,	/* AFS probe VL service */

	VLGETENTRYBYIDU		= 526,	/* AFS Get VLDB entry by ID (UUID-variant) */

	VLGETENTRYBYNAMEU	= 527,	/* AFS Get VLDB entry by name (UUID-variant) */

	VLGETADDRSU		= 533,	/* AFS Get addrs for fileserver */

};



enum AFSVL_Errors {
@@ -74,11 +77,15 @@ struct afs_vldbentry { 
		struct in_addr	addr;		/* server address */

		unsigned	partition;	/* partition ID on this server */

		unsigned	flags;		/* server specific flags */

#define AFS_VLSF_NEWREPSITE	0x0001	/* unused */

#define AFS_VLSF_NEWREPSITE	0x0001	/* Ignore all 'non-new' servers */

#define AFS_VLSF_ROVOL		0x0002	/* this server holds a R/O instance of the volume */

#define AFS_VLSF_RWVOL		0x0004	/* this server holds a R/W instance of the volume */

#define AFS_VLSF_BACKVOL	0x0008	/* this server holds a backup instance of the volume */

#define AFS_VLSF_UUID		0x0010	/* This server is referred to by its UUID */

#define AFS_VLSF_DONTUSE	0x0020	/* This server ref should be ignored */

	} servers[8];

};



#define AFS_VLDB_MAXNAMELEN 65



#endif /* AFS_VL_H */