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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2014 Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_VND_H
#define _SYS_VND_H
#include <sys/types.h>
#include <sys/vnd_errno.h>
#include <sys/frameio.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* We distinguish between normal ioctls and private ioctls we issues to out
* streams version. Streams ioctls have the upper bit set in the lowest byte.
* Note that there are no STREAMs ioctls for userland and all definitions
* related to them are not present in this file.
*/
#define VND_IOC (('v' << 24) | ('n' << 16) | ('d' << 8))
/*
* Attach the current minor instance to a given dlpi datalink identified by a
* vnd_ioc_name_t argument. This fails if it's already been attached. Note that
* unlike the other ioctls, this is passed directly as opposed to every other
* function which is passed as a pointer to the value.
*/
#define VND_IOC_ATTACH (VND_IOC | 0x1)
#define VND_NAMELEN 32
typedef struct vnd_ioc_attach {
char via_name[VND_NAMELEN];
zoneid_t via_zoneid;
uint32_t via_errno;
} vnd_ioc_attach_t;
/*
* Link the current minor instance into the /devices name space.
*
* This ioctl adds entries into /devices with a name of the form z%d:%s vil_zid,
* vil_name. The device will be namespaced to the zone. The global zone will be
* able to see all minor nodes. In the zone, only the /dev entries will exist.
* At this time, a given device can only have one link at a time. Note that a
* user cannot specify the zone to pass in, rather it is the zone that the
* device was attached in.
*/
#define VND_IOC_LINK (VND_IOC | 0x2)
typedef struct vnd_ioc_link {
char vil_name[VND_NAMELEN];
uint32_t vil_errno;
} vnd_ioc_link_t;
/*
* Unlink the opened minor instance from the /devices name space. A zone may use
* this to unlink an extent entry in /dev; however, they will not be able to
* link it in again.
*/
#define VND_IOC_UNLINK (VND_IOC | 0x3)
typedef struct vnd_ioc_unlink {
uint32_t viu_errno;
} vnd_ioc_unlink_t;
/*
* Controls to get and set the current buffer recieve buffer size.
*/
typedef struct vnd_ioc_buf {
uint64_t vib_size;
uint32_t vib_filler;
uint32_t vib_errno;
} vnd_ioc_buf_t;
#define VND_IOC_GETRXBUF (VND_IOC | 0x04)
#define VND_IOC_SETRXBUF (VND_IOC | 0x05)
#define VND_IOC_GETMAXBUF (VND_IOC | 0x06)
#define VND_IOC_GETTXBUF (VND_IOC | 0x07)
#define VND_IOC_SETTXBUF (VND_IOC | 0x08)
#define VND_IOC_GETMINTU (VND_IOC | 0x09)
#define VND_IOC_GETMAXTU (VND_IOC | 0x0a)
/*
* Information and listing ioctls
*
* This gets information about all of the active vnd instances. vl_actents is
* always updated to the number around and vl_nents is the number of
* vnd_ioc_info_t elements are allocated in vl_ents.
*/
typedef struct vnd_ioc_info {
uint32_t vii_version;
zoneid_t vii_zone;
char vii_name[VND_NAMELEN];
char vii_datalink[VND_NAMELEN];
} vnd_ioc_info_t;
typedef struct vnd_ioc_list {
uint_t vl_nents;
uint_t vl_actents;
vnd_ioc_info_t *vl_ents;
} vnd_ioc_list_t;
#ifdef _KERNEL
typedef struct vnd_ioc_list32 {
uint_t vl_nents;
uint_t vl_actents;
caddr32_t vl_ents;
} vnd_ioc_list32_t;
#endif /* _KERNEL */
#define VND_IOC_LIST (VND_IOC | 0x20)
/*
* Framed I/O ioctls
*
* Users should use the standard frameio_t as opposed to a vnd specific type.
* This is a consolidation private ioctl pending futher stability in the form of
* specific system work.
*/
#define VND_IOC_FRAMEIO_READ (VND_IOC | 0x30)
#define VND_IOC_FRAMEIO_WRITE (VND_IOC | 0x31)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_VND_H */
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