diff options
Diffstat (limited to 'sys/sys/rman.h')
| -rw-r--r-- | sys/sys/rman.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/sys/sys/rman.h b/sys/sys/rman.h deleted file mode 100644 index 224d9edc692a5..0000000000000 --- a/sys/sys/rman.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright 1998 Massachusetts Institute of Technology - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby - * granted, provided that both the above copyright notice and this - * permission notice appear in all copies, that both the above - * copyright notice and this permission notice appear in all - * supporting documentation, and that the name of M.I.T. not be used - * in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. M.I.T. makes - * no representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied - * warranty. - * - * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS - * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT - * SHALL M.I.T. 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. - * - * $Id$ - */ - -#ifndef _SYS_RMAN_H_ -#define _SYS_RMAN_H_ 1 - -#ifndef KERNEL -#include <sys/queue.h> -#endif /* !KERNEL */ - -/* - * We use a linked list rather than a bitmap because we need to be able to - * represent potentially huge objects (like all of a processor's physical - * address space). That is also why the indices are defined to have type - * `unsigned long' -- that being the largest integral type in Standard C. - */ -CIRCLEQ_HEAD(resource_head, resource); -struct resource { - CIRCLEQ_ENTRY(resource) r_link; - LIST_ENTRY(resource) r_sharelink; - LIST_HEAD(, resource) *r_sharehead; - u_long r_start; /* index of the first entry in this resource */ - u_long r_end; /* index of the last entry (inclusive) */ - u_int r_flags; - void *r_virtual; /* virtual address of this resource */ - struct device *r_dev; /* device which has allocated this resource */ - struct rman *r_rm; /* resource manager from whence this came */ -}; - -#define RF_ALLOCATED 0x0001 /* resource has been reserved */ -#define RF_ACTIVE 0x0002 /* resource allocation has been activated */ -#define RF_SHAREABLE 0x0004 /* resource permits contemporaneous sharing */ -#define RF_TIMESHARE 0x0008 /* resource permits time-division sharing */ -#define RF_WANTED 0x0010 /* somebody is waiting for this resource */ -#define RF_FIRSTSHARE 0x0020 /* first in sharing list */ - -enum rman_type { RMAN_UNINIT = 0, RMAN_GAUGE, RMAN_ARRAY }; - -struct rman { - struct resource_head rm_list; - struct simplelock *rm_slock; /* mutex used to protect rm_list */ - TAILQ_ENTRY(rman) rm_link; /* link in list of all rmans */ - u_long rm_start; /* index of globally first entry */ - u_long rm_end; /* index of globally last entry */ - enum rman_type rm_type; /* what type of resource this is */ - const char *rm_descr; /* text descripion of this resource */ -}; -TAILQ_HEAD(rman_head, rman); - -#ifdef KERNEL - -int rman_activate_resource(struct resource *r); -int rman_await_resource(struct resource *r, int pri, int timo); -int rman_deactivate_resource(struct resource *r); -int rman_fini(struct rman *rm); -int rman_init(struct rman *rm); -int rman_manage_region(struct rman *rm, u_long start, u_long end); -int rman_release_resource(struct resource *r); -struct resource *rman_reserve_resource(struct rman *rm, u_long start, - u_long end, u_long count, - u_int flags, struct device *dev); - -#define rman_set_virtual(r,v) ((r)->r_virtual = (v)) -#define rman_get_virtual(r) ((r)->r_virtual) - -extern struct rman_head rman_head; -#endif /* KERNEL */ - -#endif /* !_SYS_RMAN_H_ */ |