NetBSD/sys/dev/raidframe/rf_netbsd.h

110 lines
4.3 KiB
C

/* $NetBSD: rf_netbsd.h,v 1.35 2020/06/19 19:29:39 jdolecek Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Greg Oster; Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RF__RF_NETBSDSTUFF_H_
#define _RF__RF_NETBSDSTUFF_H_
#include <sys/fcntl.h>
#include <sys/systm.h>
#include <sys/vnode.h>
#include <sys/pool.h>
#include <sys/disk.h>
#include <dev/dkvar.h>
#include <dev/raidframe/raidframevar.h>
struct raidcinfo {
struct vnode *ci_vp; /* component device's vnode */
dev_t ci_dev; /* component device's dev_t */
RF_ComponentLabel_t ci_label; /* components RAIDframe label */
#if 0
size_t ci_size; /* size */
char *ci_path; /* path to component */
size_t ci_pathlen; /* length of component path */
#endif
};
/* a little structure to serve as a container for all the various
global pools used in RAIDframe */
struct RF_Pools_s {
struct pool alloclist; /* AllocList */
struct pool asm_hdr; /* Access Stripe Map Header */
struct pool asmap; /* Access Stripe Map */
struct pool asmhle; /* Access Stripe Map Header List Elements */
struct pool callbackf; /* Callback function descriptors */
struct pool callbackv; /* Callback value descriptors */
struct pool dagh; /* DAG headers */
struct pool dagnode; /* DAG nodes */
struct pool daglist; /* DAG lists */
struct pool dagpcache; /* DAG pointer/param cache */
struct pool dqd; /* Disk Queue Data */
struct pool fss; /* Failed Stripe Structures */
struct pool funclist; /* Function Lists */
struct pool mcpair; /* Mutex/Cond Pairs */
struct pool pda; /* Physical Disk Access structures */
struct pool pss; /* Parity Stripe Status */
struct pool pss_issued; /* Parity Stripe Status Issued */
struct pool rad; /* Raid Access Descriptors */
struct pool reconbuffer; /* reconstruction buffer (header) pool */
struct pool revent; /* reconstruct events */
struct pool stripelock; /* StripeLock */
struct pool vfple; /* VoidFunctionPtr List Elements */
struct pool vple; /* VoidPointer List Elements */
};
extern struct RF_Pools_s rf_pools;
void rf_pool_init(struct pool *, size_t, const char *, size_t, size_t);
int rf_buf_queue_check(RF_Raid_t *);
/* XXX probably belongs in a different .h file. */
typedef struct RF_AutoConfig_s {
char devname[56]; /* the name of this component */
int flag; /* a general-purpose flag */
dev_t dev; /* the device for this component */
struct vnode *vp; /* Mr. Vnode Pointer */
RF_ComponentLabel_t *clabel; /* the label */
struct RF_AutoConfig_s *next; /* the next autoconfig structure
in this set. */
} RF_AutoConfig_t;
typedef struct RF_ConfigSet_s {
struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for
this config set. */
int rootable; /* Set to 1 if this set can be root */
struct RF_ConfigSet_s *next;
} RF_ConfigSet_t;
extern const int rf_b_pass;
#endif /* _RF__RF_NETBSDSTUFF_H_ */