Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 205 insertions, 0 deletions

diff --git a/fs/afs/afs.h b/fs/afs/afs.h
new file mode 100644
index 000000000..432cb4b23
--- /dev/null
+++ b/fs/afs/afs.h
@@ -0,0 +1,205 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* AFS common types
+ *
+ * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#ifndef AFS_H
+#define AFS_H
+
+#include <linux/in.h>
+
+#define AFS_MAXCELLNAME		256  	/* 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 */
+
+#define AFS_VL_MAX_LIFESPAN	(120 * HZ)
+#define AFS_PROBE_MAX_LIFESPAN	(30 * HZ)
+
+typedef u64			afs_volid_t;
+typedef u64			afs_vnodeid_t;
+typedef u64			afs_dataversion_t;
+
+typedef enum {
+	AFSVL_RWVOL,			/* read/write volume */
+	AFSVL_ROVOL,			/* read-only volume */
+	AFSVL_BACKVOL,			/* backup volume */
+} __attribute__((packed)) afs_voltype_t;
+
+typedef enum {
+	AFS_FTYPE_INVALID	= 0,
+	AFS_FTYPE_FILE		= 1,
+	AFS_FTYPE_DIR		= 2,
+	AFS_FTYPE_SYMLINK	= 3,
+} afs_file_type_t;
+
+typedef enum {
+	AFS_LOCK_READ		= 0,	/* read lock request */
+	AFS_LOCK_WRITE		= 1,	/* write lock request */
+} afs_lock_type_t;
+
+#define AFS_LOCKWAIT		(5 * 60) /* time until a lock times out (seconds) */
+
+/*
+ * AFS file identifier
+ */
+struct afs_fid {
+	afs_volid_t	vid;		/* volume ID */
+	afs_vnodeid_t	vnode;		/* Lower 64-bits of file index within volume */
+	u32		vnode_hi;	/* Upper 32-bits of file index */
+	u32		unique;		/* unique ID number (file index version) */
+};
+
+/*
+ * AFS callback notification
+ */
+typedef enum {
+	AFSCM_CB_UNTYPED	= 0,	/* no type set on CB break */
+	AFSCM_CB_EXCLUSIVE	= 1,	/* CB exclusive to CM [not implemented] */
+	AFSCM_CB_SHARED		= 2,	/* CB shared by other CM's */
+	AFSCM_CB_DROPPED	= 3,	/* CB promise cancelled by file server */
+} afs_callback_type_t;
+
+struct afs_callback {
+	time64_t		expires_at;	/* Time at which expires */
+	//unsigned		version;	/* Callback version */
+	//afs_callback_type_t	type;		/* Type of callback */
+};
+
+struct afs_callback_break {
+	struct afs_fid		fid;		/* File identifier */
+	//struct afs_callback	cb;		/* Callback details */
+};
+
+#define AFSCBMAX 50	/* maximum callbacks transferred per bulk op */
+
+struct afs_uuid {
+	__be32		time_low;			/* low part of timestamp */
+	__be16		time_mid;			/* mid part of timestamp */
+	__be16		time_hi_and_version;		/* high part of timestamp and version  */
+	__s8		clock_seq_hi_and_reserved;	/* clock seq hi and variant */
+	__s8		clock_seq_low;			/* clock seq low */
+	__s8		node[6];			/* spatially unique node ID (MAC addr) */
+};
+
+/*
+ * AFS volume information
+ */
+struct afs_volume_info {
+	afs_volid_t		vid;		/* volume ID */
+	afs_voltype_t		type;		/* type of this volume */
+	afs_volid_t		type_vids[5];	/* volume ID's for possible types for this vol */
+
+	/* list of fileservers serving this volume */
+	size_t			nservers;	/* number of entries used in servers[] */
+	struct {
+		struct in_addr	addr;		/* fileserver address */
+	} servers[8];
+};
+
+/*
+ * AFS security ACE access mask
+ */
+typedef u32 afs_access_t;
+#define AFS_ACE_READ		0x00000001U	/* - permission to read a file/dir */
+#define AFS_ACE_WRITE		0x00000002U	/* - permission to write/chmod a file */
+#define AFS_ACE_INSERT		0x00000004U	/* - permission to create dirent in a dir */
+#define AFS_ACE_LOOKUP		0x00000008U	/* - permission to lookup a file/dir in a dir */
+#define AFS_ACE_DELETE		0x00000010U	/* - permission to delete a dirent from a dir */
+#define AFS_ACE_LOCK		0x00000020U	/* - permission to lock a file */
+#define AFS_ACE_ADMINISTER	0x00000040U	/* - permission to change ACL */
+#define AFS_ACE_USER_A		0x01000000U	/* - 'A' user-defined permission */
+#define AFS_ACE_USER_B		0x02000000U	/* - 'B' user-defined permission */
+#define AFS_ACE_USER_C		0x04000000U	/* - 'C' user-defined permission */
+#define AFS_ACE_USER_D		0x08000000U	/* - 'D' user-defined permission */
+#define AFS_ACE_USER_E		0x10000000U	/* - 'E' user-defined permission */
+#define AFS_ACE_USER_F		0x20000000U	/* - 'F' user-defined permission */
+#define AFS_ACE_USER_G		0x40000000U	/* - 'G' user-defined permission */
+#define AFS_ACE_USER_H		0x80000000U	/* - 'H' user-defined permission */
+
+/*
+ * AFS file status information
+ */
+struct afs_file_status {
+	u64			size;		/* file size */
+	afs_dataversion_t	data_version;	/* current data version */
+	struct timespec64	mtime_client;	/* Last time client changed data */
+	struct timespec64	mtime_server;	/* Last time server changed data */
+	s64			author;		/* author ID */
+	s64			owner;		/* owner ID */
+	s64			group;		/* group ID */
+	afs_access_t		caller_access;	/* access rights for authenticated caller */
+	afs_access_t		anon_access;	/* access rights for unauthenticated caller */
+	umode_t			mode;		/* UNIX mode */
+	afs_file_type_t		type;		/* file type */
+	u32			nlink;		/* link count */
+	s32			lock_count;	/* file lock count (0=UNLK -1=WRLCK +ve=#RDLCK */
+	u32			abort_code;	/* Abort if bulk-fetching this failed */
+};
+
+struct afs_status_cb {
+	struct afs_file_status	status;
+	struct afs_callback	callback;
+	bool			have_status;	/* True if status record was retrieved */
+	bool			have_cb;	/* True if cb record was retrieved */
+	bool			have_error;	/* True if status.abort_code indicates an error */
+};
+
+/*
+ * AFS file status change request
+ */
+
+#define AFS_SET_MTIME		0x01		/* set the mtime */
+#define AFS_SET_OWNER		0x02		/* set the owner ID */
+#define AFS_SET_GROUP		0x04		/* set the group ID (unsupported?) */
+#define AFS_SET_MODE		0x08		/* set the UNIX mode */
+#define AFS_SET_SEG_SIZE	0x10		/* set the segment size (unsupported) */
+
+/*
+ * AFS volume synchronisation information
+ */
+struct afs_volsync {
+	time64_t		creation;	/* volume creation time */
+};
+
+/*
+ * AFS volume status record
+ */
+struct afs_volume_status {
+	afs_volid_t		vid;		/* volume ID */
+	afs_volid_t		parent_id;	/* parent volume ID */
+	u8			online;		/* true if volume currently online and available */
+	u8			in_service;	/* true if volume currently in service */
+	u8			blessed;	/* same as in_service */
+	u8			needs_salvage;	/* true if consistency checking required */
+	u32			type;		/* volume type (afs_voltype_t) */
+	u64			min_quota;	/* minimum space set aside (blocks) */
+	u64			max_quota;	/* maximum space this volume may occupy (blocks) */
+	u64			blocks_in_use;	/* space this volume currently occupies (blocks) */
+	u64			part_blocks_avail; /* space available in volume's partition */
+	u64			part_max_blocks; /* size of volume's partition */
+	s64			vol_copy_date;
+	s64			vol_backup_date;
+};
+
+#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 */