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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_SUNLDI_H
#define _SYS_SUNLDI_H
#include <sys/modctl.h>
#include <sys/stream.h>
#include <sys/open.h>
/*
* DDI interfaces for Layered driver support.
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
/*
* Opaque layered driver data structures.
*
* The contents of these data structures are private to this
* implementation of Solaris and are subject to change at any
* time without notice.
*
* Applications and drivers accessing the contents of these structures
* directly will fail to run on future releases.
*/
typedef struct __ldi_ident *ldi_ident_t;
typedef struct __ldi_handle *ldi_handle_t;
typedef struct __ldi_callback_id *ldi_callback_id_t;
typedef struct __ldi_ev_cookie *ldi_ev_cookie_t;
/*
* LDI event interface related
*/
#define LDI_EV_SUCCESS 0
#define LDI_EV_FAILURE (-1)
#define LDI_EV_NONE (-2) /* no matching callbacks registered */
#define LDI_EV_OFFLINE "LDI:EVENT:OFFLINE"
#define LDI_EV_DEGRADE "LDI:EVENT:DEGRADE"
#define LDI_EV_DEVICE_REMOVE "LDI:EVENT:DEVICE_REMOVE"
#define LDI_EV_CB_VERS_1 1
#define LDI_EV_CB_VERS LDI_EV_CB_VERS_1
typedef struct ldi_ev_callback {
uint_t cb_vers;
int (*cb_notify)(ldi_handle_t, ldi_ev_cookie_t, void *, void *);
void (*cb_finalize)(ldi_handle_t, ldi_ev_cookie_t, int, void *, void *);
} ldi_ev_callback_t;
/*
* LDI Ident manipulation functions
*/
extern ldi_ident_t ldi_ident_from_anon(void);
extern int ldi_ident_from_mod(struct modlinkage *, ldi_ident_t *);
extern int ldi_ident_from_major(major_t major, ldi_ident_t *);
extern int ldi_ident_from_dip(dev_info_t *dip, ldi_ident_t *);
extern int ldi_ident_from_dev(dev_t, ldi_ident_t *);
extern int ldi_ident_from_stream(struct queue *, ldi_ident_t *);
extern void ldi_ident_release(ldi_ident_t);
/*
* LDI Handle manipulation functions
*/
extern int ldi_open_by_dev(dev_t *, int, int, cred_t *,
ldi_handle_t *, ldi_ident_t);
extern int ldi_open_by_name(char *, int, cred_t *,
ldi_handle_t *, ldi_ident_t);
extern int ldi_open_by_devid(ddi_devid_t, char *, int, cred_t *,
ldi_handle_t *, ldi_ident_t);
extern int ldi_vp_from_name(char *, vnode_t **);
extern int ldi_vp_from_devid(ddi_devid_t, char *, vnode_t **);
extern int ldi_close(ldi_handle_t, int flag, cred_t *);
extern int ldi_read(ldi_handle_t, struct uio *, cred_t *);
extern int ldi_write(ldi_handle_t, struct uio *, cred_t *);
extern int ldi_ioctl(ldi_handle_t, int, intptr_t, int, cred_t *, int *);
extern int ldi_poll(ldi_handle_t, short, int, short *, struct pollhead **);
extern int ldi_get_size(ldi_handle_t, uint64_t *);
extern int ldi_prop_op(ldi_handle_t, ddi_prop_op_t, int,
char *, caddr_t, int *);
extern int ldi_strategy(ldi_handle_t, struct buf *);
extern int ldi_dump(ldi_handle_t, caddr_t, daddr_t, int);
extern int ldi_devmap(ldi_handle_t, devmap_cookie_t, offset_t,
size_t, size_t *, uint_t);
extern int ldi_aread(ldi_handle_t, struct aio_req *, cred_t *);
extern int ldi_awrite(ldi_handle_t, struct aio_req *, cred_t *);
extern int ldi_putmsg(ldi_handle_t, mblk_t *);
extern int ldi_getmsg(ldi_handle_t, mblk_t **, timestruc_t *);
extern int ldi_prop_lookup_int_array(ldi_handle_t lh,
uint_t flags, char *name, int **data, uint_t *nelements);
extern int ldi_prop_lookup_int64_array(ldi_handle_t lh,
uint_t flags, char *name, int64_t **data, uint_t *nelements);
extern int ldi_prop_lookup_string_array(ldi_handle_t lh,
uint_t flags, char *name, char ***data, uint_t *nelements);
extern int ldi_prop_lookup_string(ldi_handle_t lh,
uint_t flags, char *name, char **data);
extern int ldi_prop_lookup_byte_array(ldi_handle_t lh,
uint_t flags, char *name, uchar_t **data, uint_t *nelements);
extern int ldi_prop_get_int(ldi_handle_t lh,
uint_t flags, char *name, int defvalue);
extern int64_t ldi_prop_get_int64(ldi_handle_t lh,
uint_t flags, char *name, int64_t defvalue);
extern int ldi_prop_exists(ldi_handle_t lh,
uint_t flags, char *name);
extern int ldi_get_dev(ldi_handle_t, dev_t *);
extern int ldi_get_otyp(ldi_handle_t, int *);
extern int ldi_get_devid(ldi_handle_t, ddi_devid_t *);
extern int ldi_get_minor_name(ldi_handle_t, char **);
/*
* LDI events related declarations
*/
extern int ldi_ev_get_cookie(ldi_handle_t lh, char *evname,
ldi_ev_cookie_t *cookiep);
extern char *ldi_ev_get_type(ldi_ev_cookie_t cookie);
extern int ldi_ev_register_callbacks(ldi_handle_t lh,
ldi_ev_cookie_t cookie, ldi_ev_callback_t *callb,
void *arg, ldi_callback_id_t *id);
extern int ldi_ev_notify(dev_info_t *dip, minor_t minor, int spec_type,
ldi_ev_cookie_t cookie, void *ev_data);
extern void ldi_ev_finalize(dev_info_t *dip, minor_t minor, int spec_type,
int ldi_result, ldi_ev_cookie_t cookie, void *ev_data);
extern int ldi_ev_remove_callbacks(ldi_callback_id_t id);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SUNLDI_H */
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