Drop unicode support, provided in ZFS tree libport

Update uio support


git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@42 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

1 files changed, 36 insertions, 1 deletions

diff --git a/include/sys/uio.h b/include/sys/uio.h
index 6da4d34ed..0ef7aab63 100644
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -1,11 +1,46 @@
 #ifndef _SPL_UIO_H
 #define _SPL_UIO_H
 
+#include <linux/uio.h>
+#include <asm/uaccess.h>
+#include <sys/types.h>
+
 typedef enum uio_rw {
 	UIO_READ =	0,
 	UIO_WRITE =	1,
 } uio_rw_t;
 
-#define UIO_SYSSPACE 1
+typedef enum uio_seg {
+	UIO_USERSPACE =	0,
+	UIO_SYSSPACE =	1,
+	UIO_USERISPACE =2,
+} uio_seg_t;
+
+typedef struct uio {
+	struct iovec	*uio_iov;	/* pointer to array of iovecs */
+	int		uio_iovcnt;	/* number of iovecs */
+	offset_t	uio_loffset;	/* file offset */
+	uio_seg_t	uio_segflg;	/* address space (kernel or user) */
+	uint16_t	uio_fmode;	/* file mode flags */
+	uint16_t	uio_extflg;	/* extended flags */
+	offset_t	uio_limit;	/* u-limit (maximum byte offset) */
+	ssize_t		uio_resid;	/* residual count */
+} uio_t;
+
+typedef struct aio_req {
+	uio_t		*aio_uio;	/* UIO for this request */
+	void		*aio_private;
+} aio_req_t;
+
+/* XXX: Must be fully implemented when ZVOL is needed, for reference:
+ * http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/os/move.c
+ */
+#if 0
+static __inline__ int
+uiomove(void *p, size_t n, enum uio_rw rw, struct uio *uio)
+{
+	return 0;
+}
+#endif
 
 #endif /* SPL_UIO_H */