bce: Disable RX max BDs based interrupt moderation
[dragonfly.git] / sys / sys / upcall.h
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a722be49 1/*
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2 * Copyright (c) 2003,2004 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
6 *
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7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
8c10bfcf 10 *
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11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
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14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
a722be49 32 * SUCH DAMAGE.
8c10bfcf 33 *
1f33f833 34 * $DragonFly: src/sys/sys/upcall.h,v 1.11 2006/09/10 21:35:11 dillon Exp $
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35 */
36
37#ifndef _SYS_UPCALL_H_
38#define _SYS_UPCALL_H_
39
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40struct thread;
41struct lwp;
42
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43typedef void (*upcall_func_t)(void *);
44
45struct upcall {
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46 int upc_magic;
47 int upc_critoff; /* offset of crit_count in uthread */
48 int upc_pending; /* must follow crit_count */
ee5fb477 49 struct thread *upc_uthread; /* pointer to user thread (opaque) */
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50};
51
52#define UPCALL_MAGIC 0x55504331
53#define UPCALL_MAXCOUNT 32
54
55#define UPC_CONTROL_DISPATCH 1
56#define UPC_CONTROL_NEXT 2
57#define UPC_CONTROL_DELETE 3
58#define UPC_CONTROL_POLL 4
59#define UPC_CONTROL_POLLANDCLEAR 5
fe8c5e17 60#define UPC_CONTROL_WAIT 6
a722be49 61
1f33f833 62#define UPC_RESERVED 32 /* # of reserved id's */
6107dd2d 63
a722be49 64#if defined(_KERNEL)
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65/*
66 * Kernel protoypes
67 */
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68
69struct vmspace;
70
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71void upc_release(struct vmspace *vm, struct lwp *lp);
72void postupcall(struct lwp *lp);
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73
74#else
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75/*
76 * Userland prototypes
77 */
a722be49 78int upc_register(struct upcall *, upcall_func_t, upcall_func_t, void *);
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79int upc_control(int, int, void *);
80void upc_callused_wrapper(void *);
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81
82#endif
83
84#endif
85