[mirror_spl-debian.git] / include / sys / vnode.h

#ifndef _SPL_VNODE_H
#define _SPL_VNODE_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <linux/module.h>
#include <linux/syscalls.h>
#include <linux/fcntl.h>
#include <linux/uaccess.h>
#include <linux/buffer_head.h>
#include <linux/dcache.h>
#include <linux/namei.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <sys/kmem.h>
#include <sys/mutex.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/uio.h>

#define XVA_MAPSIZE     3
#define XVA_MAGIC       0x78766174

#define O_DSYNC		040000000

#define FREAD		1
#define FWRITE		2
#define FCREAT		O_CREAT
#define FTRUNC		O_TRUNC
#define FOFFMAX		O_LARGEFILE
#define FSYNC		O_SYNC
#define FDSYNC		O_DSYNC
#define FRSYNC		O_RSYNC
#define FEXCL		O_EXCL
#define FDIRECT		O_DIRECT
#define FAPPEND		O_APPEND

#define FNODSYNC	0x10000 /* fsync pseudo flag */
#define FNOFOLLOW	0x20000 /* don't follow symlinks */

#define AT_TYPE		0x00001
#define AT_MODE		0x00002
#undef  AT_UID		/* Conflicts with linux/auxvec.h */
#define AT_UID          0x00004
#undef  AT_GID		/* Conflicts with linux/auxvec.h */
#define AT_GID          0x00008
#define AT_FSID		0x00010
#define AT_NODEID	0x00020
#define AT_NLINK	0x00040
#define AT_SIZE		0x00080
#define AT_ATIME	0x00100
#define AT_MTIME	0x00200
#define AT_CTIME	0x00400
#define AT_RDEV		0x00800
#define AT_BLKSIZE	0x01000
#define AT_NBLOCKS	0x02000
#define AT_SEQ		0x08000
#define AT_XVATTR	0x10000

#define CRCREAT		0x01
#define RMFILE		0x02

#define B_INVAL		0x01
#define B_TRUNC		0x02

typedef enum vtype {
	VNON		= 0,
	VREG		= 1,
	VDIR		= 2,
	VBLK		= 3,
	VCHR		= 4,
	VLNK		= 5,
	VFIFO		= 6,
	VDOOR		= 7,
	VPROC		= 8,
	VSOCK		= 9,
	VPORT		= 10,
	VBAD		= 11
} vtype_t;

typedef struct vattr {
	enum vtype     va_type;      /* vnode type */
	u_int          va_mask;	     /* attribute bit-mask */
	u_short        va_mode;      /* acc mode */
	short          va_uid;       /* owner uid */
	short          va_gid;       /* owner gid */
	long           va_fsid;      /* fs id */
	long           va_nodeid;    /* node # */
	short          va_nlink;     /* # links */
	u_long         va_size;      /* file size */
	long           va_blocksize; /* block size */
	struct timeval va_atime;     /* last acc */
	struct timeval va_mtime;     /* last mod */
	struct timeval va_ctime;     /* last chg */
	dev_t          va_rdev;      /* dev */
	long           va_blocks;    /* space used */
} vattr_t;

typedef struct xoptattr {
        timestruc_t     xoa_createtime; /* Create time of file */
        uint8_t         xoa_archive;
        uint8_t         xoa_system;
        uint8_t         xoa_readonly;
        uint8_t         xoa_hidden;
        uint8_t         xoa_nounlink;
        uint8_t         xoa_immutable;
        uint8_t         xoa_appendonly;
        uint8_t         xoa_nodump;
        uint8_t         xoa_settable;
        uint8_t         xoa_opaque;
        uint8_t         xoa_av_quarantined;
        uint8_t         xoa_av_modified;
} xoptattr_t;

typedef struct xvattr {
        vattr_t         xva_vattr;      /* Embedded vattr structure */
        uint32_t        xva_magic;      /* Magic Number */
        uint32_t        xva_mapsize;    /* Size of attr bitmap (32-bit words) */
        uint32_t        *xva_rtnattrmapp;       /* Ptr to xva_rtnattrmap[] */
        uint32_t        xva_reqattrmap[XVA_MAPSIZE];    /* Requested attrs */
        uint32_t        xva_rtnattrmap[XVA_MAPSIZE];    /* Returned attrs */
        xoptattr_t      xva_xoptattrs;  /* Optional attributes */
} xvattr_t;

typedef struct vsecattr {
        uint_t          vsa_mask;       /* See below */
        int             vsa_aclcnt;     /* ACL entry count */
        void            *vsa_aclentp;   /* pointer to ACL entries */
        int             vsa_dfaclcnt;   /* default ACL entry count */
        void            *vsa_dfaclentp; /* pointer to default ACL entries */
        size_t          vsa_aclentsz;   /* ACE size in bytes of vsa_aclentp */
} vsecattr_t;

typedef struct vnode {
	struct file	*v_file;
	kmutex_t	v_lock;		/* protects vnode fields */
	uint_t		v_flag;		/* vnode flags (see below) */
	uint_t		v_count;	/* reference count */
	void		*v_data;	/* private data for fs */
	struct vfs	*v_vfsp;	/* ptr to containing VFS */
	struct stdata	*v_stream;	/* associated stream */
	enum vtype	v_type;		/* vnode type */
	dev_t		v_rdev;		/* device (VCHR, VBLK) */
} vnode_t;

typedef struct vn_file {
	int			f_fd;	   /* linux fd for lookup */
	struct file		*f_file;   /* linux file struct */
	atomic_t		f_ref;	   /* ref count */
	kmutex_t		f_lock;    /* struct lock */
	loff_t			f_offset;  /* offset */
	vnode_t			*f_vnode;  /* vnode */
        struct list_head	f_list;	   /* list of referenced file_t's */
} file_t;

extern vnode_t *vn_alloc(int flag);
void vn_free(vnode_t *vp);
extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode,
		   vnode_t **vpp, int x1, void *x2);
extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode,
		     vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd);
extern int vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len,
		   offset_t off, uio_seg_t seg, int x1, rlim64_t x2,
		   void *x3, ssize_t *residp);
extern int vn_close(vnode_t *vp, int flags, int x1, int x2, void *x3, void *x4);
extern int vn_remove(const char *path, uio_seg_t seg, int flags);
extern int vn_rename(const char *path1, const char *path2, int x1);
extern int vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4);
extern int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4);
extern file_t *vn_getf(int fd);
extern void vn_releasef(int fd);

int vn_init(void);
void vn_fini(void);

static __inline__ int
vn_rele(vnode_t *vp)
{
	return 0;
} /* vn_rele() */

static __inline__ int
vn_putpage(vnode_t *vp, offset_t off, ssize_t size,
           int flags, void *x1, void *x2) {
	return 0;
} /* vn_putpage() */

#define VOP_CLOSE				vn_close
#define VN_RELE					vn_rele
#define VOP_GETATTR				vn_getattr
#define VOP_FSYNC				vn_fsync
#define VOP_PUTPAGE				vn_putpage
#define vn_is_readonly(vp)			0
#define getf					vn_getf
#define releasef				vn_releasef

extern void *rootdir;

#ifdef  __cplusplus
}
#endif

#endif /* SPL_VNODE_H */
Commit	Line	Data
0b3cf046	1	#ifndef _SPL_VNODE_H
	2	#define _SPL_VNODE_H
	3
5d86345d	4	#ifdef __cplusplus
	5	extern "C" {
	6	#endif
	7
4b171585	8	#include <linux/module.h>
6adf99e7	9	#include <linux/syscalls.h>
4b171585	10	#include <linux/fcntl.h>
	11	#include <linux/uaccess.h>
	12	#include <linux/buffer_head.h>
	13	#include <linux/dcache.h>
	14	#include <linux/namei.h>
e4f1d29f	15	#include <linux/file.h>
4b171585	16	#include <linux/fs.h>
af828292	17	#include <sys/kmem.h>
af828292	18	#include <sys/mutex.h>
4b171585	19	#include <sys/types.h>
	20	#include <sys/time.h>
	21	#include <sys/uio.h>
6adf99e7	22
0b3cf046	23	#define XVA_MAPSIZE 3
	24	#define XVA_MAGIC 0x78766174
	25
36e6f861	26	#define O_DSYNC 040000000
36e6f861	27
4b171585	28	#define FREAD 1
	29	#define FWRITE 2
	30	#define FCREAT O_CREAT
	31	#define FTRUNC O_TRUNC
	32	#define FOFFMAX O_LARGEFILE
	33	#define FSYNC O_SYNC
	34	#define FDSYNC O_DSYNC
	35	#define FRSYNC O_RSYNC
	36	#define FEXCL O_EXCL
	37	#define FDIRECT O_DIRECT
5d86345d	38	#define FAPPEND O_APPEND
4b171585	39
	40	#define FNODSYNC 0x10000 /* fsync pseudo flag */
	41	#define FNOFOLLOW 0x20000 /* don't follow symlinks */
	42
	43	#define AT_TYPE 0x00001
	44	#define AT_MODE 0x00002
	45	#undef AT_UID /* Conflicts with linux/auxvec.h */
	46	#define AT_UID 0x00004
	47	#undef AT_GID /* Conflicts with linux/auxvec.h */
	48	#define AT_GID 0x00008
	49	#define AT_FSID 0x00010
	50	#define AT_NODEID 0x00020
	51	#define AT_NLINK 0x00040
	52	#define AT_SIZE 0x00080
	53	#define AT_ATIME 0x00100
	54	#define AT_MTIME 0x00200
	55	#define AT_CTIME 0x00400
	56	#define AT_RDEV 0x00800
	57	#define AT_BLKSIZE 0x01000
	58	#define AT_NBLOCKS 0x02000
	59	#define AT_SEQ 0x08000
	60	#define AT_XVATTR 0x10000
	61
2f5d55aa	62	#define CRCREAT 0x01
2f5d55aa	63	#define RMFILE 0x02
4b171585	64
36e6f861	65	#define B_INVAL 0x01
	66	#define B_TRUNC 0x02
	67
6adf99e7	68	typedef enum vtype {
4b171585	69	VNON = 0,
	70	VREG = 1,
	71	VDIR = 2,
	72	VBLK = 3,
	73	VCHR = 4,
	74	VLNK = 5,
	75	VFIFO = 6,
	76	VDOOR = 7,
	77	VPROC = 8,
	78	VSOCK = 9,
	79	VPORT = 10,
	80	VBAD = 11
6adf99e7	81	} vtype_t;
6adf99e7	82
4b171585	83	typedef struct vattr {
4b171585	84	enum vtype va_type; /* vnode type */
36e6f861	85	u_int va_mask; /* attribute bit-mask */
4b171585	86	u_short va_mode; /* acc mode */
	87	short va_uid; /* owner uid */
	88	short va_gid; /* owner gid */
	89	long va_fsid; /* fs id */
	90	long va_nodeid; /* node # */
	91	short va_nlink; /* # links */
	92	u_long va_size; /* file size */
	93	long va_blocksize; /* block size */
	94	struct timeval va_atime; /* last acc */
	95	struct timeval va_mtime; /* last mod */
	96	struct timeval va_ctime; /* last chg */
	97	dev_t va_rdev; /* dev */
	98	long va_blocks; /* space used */
	99	} vattr_t;
0b3cf046	100
	101	typedef struct xoptattr {
	102	timestruc_t xoa_createtime; /* Create time of file */
	103	uint8_t xoa_archive;
	104	uint8_t xoa_system;
	105	uint8_t xoa_readonly;
	106	uint8_t xoa_hidden;
	107	uint8_t xoa_nounlink;
	108	uint8_t xoa_immutable;
	109	uint8_t xoa_appendonly;
	110	uint8_t xoa_nodump;
	111	uint8_t xoa_settable;
	112	uint8_t xoa_opaque;
	113	uint8_t xoa_av_quarantined;
	114	uint8_t xoa_av_modified;
	115	} xoptattr_t;
	116
0b3cf046	117	typedef struct xvattr {
	118	vattr_t xva_vattr; /* Embedded vattr structure */
	119	uint32_t xva_magic; /* Magic Number */
	120	uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
	121	uint32_t xva_rtnattrmapp; / Ptr to xva_rtnattrmap[] */
	122	uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
	123	uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
	124	xoptattr_t xva_xoptattrs; /* Optional attributes */
	125	} xvattr_t;
	126
	127	typedef struct vsecattr {
	128	uint_t vsa_mask; /* See below */
	129	int vsa_aclcnt; /* ACL entry count */
	130	void vsa_aclentp; / pointer to ACL entries */
	131	int vsa_dfaclcnt; /* default ACL entry count */
	132	void vsa_dfaclentp; / pointer to default ACL entries */
	133	size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
	134	} vsecattr_t;
4b171585	135
af828292	136	typedef struct vnode {
e4f1d29f	137	struct file *v_file;
af828292	138	kmutex_t v_lock; /* protects vnode fields */
	139	uint_t v_flag; /* vnode flags (see below) */
	140	uint_t v_count; /* reference count */
	141	void v_data; / private data for fs */
	142	struct vfs v_vfsp; / ptr to containing VFS */
	143	struct stdata v_stream; / associated stream */
	144	enum vtype v_type; /* vnode type */
	145	dev_t v_rdev; /* device (VCHR, VBLK) */
	146	} vnode_t;
	147
e4f1d29f	148	typedef struct vn_file {
	149	int f_fd; /* linux fd for lookup */
	150	struct file f_file; / linux file struct */
	151	atomic_t f_ref; /* ref count */
	152	kmutex_t f_lock; /* struct lock */
	153	loff_t f_offset; /* offset */
	154	vnode_t f_vnode; / vnode */
	155	struct list_head f_list; /* list of referenced file_t's */
	156	} file_t;
	157
af828292	158	extern vnode_t *vn_alloc(int flag);
af828292	159	void vn_free(vnode_t *vp);
73e540a0	160	extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode,
4b171585	161	vnode_t *vpp, int x1, void x2);
73e540a0	162	extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode,
4b171585	163	vnode_t *vpp, int x1, void x2, vnode_t *vp, int fd);
4b171585	164	extern int vn_rdwr(uio_rw_t uio, vnode_t vp, void addr, ssize_t len,
73e540a0	165	offset_t off, uio_seg_t seg, int x1, rlim64_t x2,
4b171585	166	void x3, ssize_t residp);
2f5d55aa	167	extern int vn_close(vnode_t vp, int flags, int x1, int x2, void x3, void *x4);
73e540a0	168	extern int vn_remove(const char *path, uio_seg_t seg, int flags);
4b171585	169	extern int vn_rename(const char path1, const char path2, int x1);
36e6f861	170	extern int vn_getattr(vnode_t vp, vattr_t vap, int flags, void x3, void x4);
2f5d55aa	171	extern int vn_fsync(vnode_t vp, int flags, void x3, void *x4);
e4f1d29f	172	extern file_t *vn_getf(int fd);
e4f1d29f	173	extern void vn_releasef(int fd);
4b171585	174
af828292	175	int vn_init(void);
	176	void vn_fini(void);
	177
36e6f861	178	static __inline__ int
	179	vn_rele(vnode_t *vp)
	180	{
	181	return 0;
	182	} /* vn_rele() */
	183
	184	static __inline__ int
	185	vn_putpage(vnode_t *vp, offset_t off, ssize_t size,
	186	int flags, void x1, void x2) {
	187	return 0;
	188	} /* vn_putpage() */
	189
4b171585	190	#define VOP_CLOSE vn_close
36e6f861	191	#define VN_RELE vn_rele
4b171585	192	#define VOP_GETATTR vn_getattr
4b171585	193	#define VOP_FSYNC vn_fsync
36e6f861	194	#define VOP_PUTPAGE vn_putpage
4b171585	195	#define vn_is_readonly(vp) 0
e4f1d29f	196	#define getf vn_getf
e4f1d29f	197	#define releasef vn_releasef
4b171585	198
4b171585	199	extern void *rootdir;
0b3cf046	200
5d86345d	201	#ifdef __cplusplus
	202	}
	203	#endif
	204
0b3cf046	205	#endif /* SPL_VNODE_H */