Add the initial vestigates of vnode support

git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@30 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

2 files changed, 98 insertions, 0 deletions

diff --git a/include/sys/sysmacros.h b/include/sys/sysmacros.h
index 3bc9f7a37..b65a5797c 100644
--- a/include/sys/sysmacros.h
+++ b/include/sys/sysmacros.h
@@ -131,6 +131,7 @@ extern int highbit(unsigned long i);
 #define makedevice(maj,min) makedev(maj,min)
 #define zone_dataset_visible(x, y)			(1)
 #define INGLOBALZONE(z)					(1)
+#define utsname						system_utsname
 
 /* XXX - Borrowed from zfs project libsolcompat/include/sys/sysmacros.h */
 /* common macros */
diff --git a/include/sys/vnode.h b/include/sys/vnode.h
new file mode 100644
index 000000000..9afac4c25
--- /dev/null
+++ b/include/sys/vnode.h
@@ -0,0 +1,97 @@
+#ifndef _SPL_VNODE_H
+#define _SPL_VNODE_H
+
+#define XVA_MAPSIZE     3
+#define XVA_MAGIC       0x78766174
+
+typedef struct vnode {
+        uint64_t        v_size;
+        int             v_fd;
+        mode_t          v_mode;
+        char            *v_path;
+} vnode_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 vattr {
+        uint_t          va_mask;        /* bit-mask of attributes */
+        u_offset_t      va_size;        /* file size in bytes */
+} vattr_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;
+
+#define AT_TYPE         0x00001
+#define AT_MODE         0x00002
+// #define AT_UID          0x00004	/* Conflicts with linux/auxvec.h */
+// #define AT_GID          0x00008	/* Conflicts with linux/auxvec.h */
+#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         0
+
+#define VOP_CLOSE(vp, f, c, o, cr, ct)  0
+#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct)     0
+#define VOP_GETATTR(vp, vap, fl, cr, ct)  ((vap)->va_size = (vp)->v_size, 0)
+
+#define VOP_FSYNC(vp, f, cr, ct)        fsync((vp)->v_fd)
+
+#define VN_RELE(vp)     vn_close(vp)
+
+extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
+    int x2, int x3);
+extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
+    int x2, int x3, vnode_t *vp, int fd);
+extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
+    offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
+extern void vn_close(vnode_t *vp);
+
+#define vn_remove(path, x1, x2)         remove(path)
+#define vn_rename(from, to, seg)        rename((from), (to))
+#define vn_is_readonly(vp)              B_FALSE
+
+extern vnode_t *rootdir;
+
+#endif /* SPL_VNODE_H */