update(driver/modern_bpf): vmlinux + overlay definitions 5.15.0-86-ge…

…neric s390x

Signed-off-by: Roberto Scolaro <[email protected]>

driver/modern_bpf/definitions/s390x/overlay.h

@@ -0,0 +1,299 @@
+#ifndef __OVERLAY_H__
+#define __OVERLAY_H__
+
+#ifndef BPF_NO_PRESERVE_ACCESS_INDEX
+#pragma clang attribute push (__attribute__((preserve_access_index)), apply_to = record)
+#endif
+
+/*=============================== ARCH S390: 5.15.0-86-generic ===========================*/
+
+struct ovl_config {
+	char *lowerdir;
+	char *upperdir;
+	char *workdir;
+	bool default_permissions;
+	bool redirect_dir;
+	bool redirect_follow;
+	const char *redirect_mode;
+	bool index;
+	bool uuid;
+	bool nfs_export;
+	int xino;
+	bool metacopy;
+	bool userxattr;
+	bool ovl_volatile;
+};
+
+struct ovl_sb {
+	struct super_block *sb;
+	dev_t pseudo_dev;
+	bool bad_uuid;
+	bool is_lower;
+};
+
+struct ovl_layer {
+	struct vfsmount *mnt;
+	struct inode *trap;
+	struct ovl_sb *fs;
+	int idx;
+	int fsid;
+};
+
+struct ovl_path {
+	const struct ovl_layer *layer;
+	struct dentry *dentry;
+};
+
+struct ovl_fs {
+	unsigned int numlayer;
+	unsigned int numfs;
+	const struct ovl_layer *layers;
+	struct ovl_sb *fs;
+	struct dentry *workbasedir;
+	struct dentry *workdir;
+	struct dentry *indexdir;
+	long int namelen;
+	struct ovl_config config;
+	const struct cred *creator_cred;
+	bool tmpfile;
+	bool noxattr;
+	bool upperdir_locked;
+	bool workdir_locked;
+	bool share_whiteout;
+	struct inode *workbasedir_trap;
+	struct inode *workdir_trap;
+	struct inode *indexdir_trap;
+	int xino_mode;
+	atomic_long_t last_ino;
+	struct dentry *whiteout;
+	errseq_t errseq;
+};
+
+struct ovl_entry {
+	union {
+		struct {
+			long unsigned int flags;
+		};
+		struct callback_head rcu;
+	};
+	unsigned int numlower;
+	struct ovl_path lowerstack[0];
+};
+
+struct ovl_dir_cache;
+
+struct ovl_inode {
+	union {
+		struct ovl_dir_cache *cache;
+		struct inode *lowerdata;
+	};
+	const char *redirect;
+	u64 version;
+	long unsigned int flags;
+	struct inode vfs_inode;
+	struct dentry *__upperdentry;
+	struct ovl_path lowerpath;
+	struct mutex lock;
+};
+
+enum ovl_path_type {
+	__OVL_PATH_UPPER = 1,
+	__OVL_PATH_MERGE = 2,
+	__OVL_PATH_ORIGIN = 4,
+};
+
+enum ovl_xattr {
+	OVL_XATTR_OPAQUE = 0,
+	OVL_XATTR_REDIRECT = 1,
+	OVL_XATTR_ORIGIN = 2,
+	OVL_XATTR_IMPURE = 3,
+	OVL_XATTR_NLINK = 4,
+	OVL_XATTR_UPPER = 5,
+	OVL_XATTR_METACOPY = 6,
+	OVL_XATTR_PROTATTR = 7,
+};
+
+enum ovl_inode_flag {
+	OVL_IMPURE = 0,
+	OVL_WHITEOUTS = 1,
+	OVL_INDEX = 2,
+	OVL_UPPERDATA = 3,
+	OVL_CONST_INO = 4,
+};
+
+enum ovl_entry_flag {
+	OVL_E_UPPER_ALIAS = 0,
+	OVL_E_OPAQUE = 1,
+	OVL_E_CONNECTED = 2,
+};
+
+enum {
+	OVL_XINO_OFF = 0,
+	OVL_XINO_AUTO = 1,
+	OVL_XINO_ON = 2,
+};
+
+struct ovl_inode_params {
+	struct inode *newinode;
+	struct dentry *upperdentry;
+	struct ovl_path *lowerpath;
+	bool index;
+	unsigned int numlower;
+	char *redirect;
+	struct dentry *lowerdata;
+};
+
+struct ovl_cattr {
+	dev_t rdev;
+	umode_t mode;
+	const char *link;
+	struct dentry *hardlink;
+};
+
+enum {
+	OPT_LOWERDIR = 0,
+	OPT_UPPERDIR = 1,
+	OPT_WORKDIR = 2,
+	OPT_DEFAULT_PERMISSIONS___2 = 3,
+	OPT_REDIRECT_DIR = 4,
+	OPT_INDEX_ON = 5,
+	OPT_INDEX_OFF = 6,
+	OPT_UUID_ON = 7,
+	OPT_UUID_OFF = 8,
+	OPT_NFS_EXPORT_ON = 9,
+	OPT_USERXATTR = 10,
+	OPT_NFS_EXPORT_OFF = 11,
+	OPT_XINO_ON = 12,
+	OPT_XINO_OFF = 13,
+	OPT_XINO_AUTO = 14,
+	OPT_METACOPY_ON = 15,
+	OPT_METACOPY_OFF = 16,
+	OPT_VOLATILE = 17,
+	OPT_ERR___2 = 18,
+};
+
+struct ovl_fb {
+	u8 version;
+	u8 magic;
+	u8 len;
+	u8 flags;
+	u8 type;
+	uuid_t uuid;
+	u32 fid[0];
+} __attribute__((packed));
+
+struct ovl_fh {
+	u8 padding[3];
+	union {
+		struct ovl_fb fb;
+		struct {
+			struct {} __empty_buf;
+			u8 buf[0];
+		};
+	};
+};
+
+struct ovl_lookup_data {
+	struct super_block *sb;
+	struct qstr name;
+	bool is_dir;
+	bool opaque;
+	bool stop;
+	bool last;
+	char *redirect;
+	bool metacopy;
+};
+
+struct ovl_aio_req {
+	struct kiocb iocb;
+	refcount_t ref;
+	struct kiocb *orig_iocb;
+	struct fd fd;
+};
+
+enum ovl_copyop {
+	OVL_COPY = 0,
+	OVL_CLONE = 1,
+	OVL_DEDUPE = 2,
+};
+
+struct ovl_dir_cache {
+	long int refcount;
+	u64 version;
+	struct list_head entries;
+	struct rb_root root;
+};
+
+struct ovl_cache_entry {
+	unsigned int len;
+	unsigned int type;
+	u64 real_ino;
+	u64 ino;
+	struct list_head l_node;
+	struct rb_node node;
+	struct ovl_cache_entry *next_maybe_whiteout;
+	bool is_upper;
+	bool is_whiteout;
+	char name[0];
+};
+
+struct ovl_readdir_data {
+	struct dir_context ctx;
+	struct dentry *dentry;
+	bool is_lowest;
+	struct rb_root *root;
+	struct list_head *list;
+	struct list_head middle;
+	struct ovl_cache_entry *first_maybe_whiteout;
+	int count;
+	int err;
+	bool is_upper;
+	bool d_type_supported;
+};
+
+struct ovl_dir_file {
+	bool is_real;
+	bool is_upper;
+	struct ovl_dir_cache *cache;
+	struct list_head *cursor;
+	struct file *realfile;
+	struct file *upperfile;
+};
+
+struct ovl_readdir_translate {
+	struct dir_context *orig_ctx;
+	struct ovl_dir_cache *cache;
+	struct dir_context ctx;
+	u64 parent_ino;
+	int fsid;
+	int xinobits;
+	bool xinowarn;
+};
+
+struct ovl_copy_up_ctx {
+	struct dentry *parent;
+	struct dentry *dentry;
+	struct path lowerpath;
+	struct kstat stat;
+	struct kstat pstat;
+	const char *link;
+	struct dentry *destdir;
+	struct qstr destname;
+	struct dentry *workdir;
+	bool origin;
+	bool indexed;
+	bool metacopy;
+};
+
+struct ovl_cu_creds {
+	const struct cred *old;
+	struct cred *new;
+};
+
+/*=============================== ARCH S390: 5.15.0-86-generic ===========================*/
+
+#ifndef BPF_NO_PRESERVE_ACCESS_INDEX
+#pragma clang attribute pop
+#endif
+
+#endif /* __OVERLAY_H__ */