Remove all remaining SPL code. Replace the mtd_cpl field in the machine
[dragonfly.git] / sys / platform / pc32 / isa / ipl_funcs.c
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1/*-
2 * Copyright (c) 1997 Bruce Evans.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/i386/isa/ipl_funcs.c,v 1.32.2.5 2002/12/17 18:04:02 sam Exp $
38787eef 27 * $DragonFly: src/sys/platform/pc32/isa/ipl_funcs.c,v 1.10 2005/06/16 21:12:47 dillon Exp $
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28 */
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/sysctl.h>
f1d1c3fa 34#include <sys/proc.h>
984263bc 35#include <machine/ipl.h>
85100692 36#include <machine/globaldata.h>
f1d1c3fa 37#include <machine/pcb.h>
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38#include <i386/isa/intr_machdep.h>
39
40/*
41 * Bits in the ipending bitmap variable must be set atomically because
42 * ipending may be manipulated by interrupts or other cpu's without holding
43 * any locks.
44 *
45 * Note: setbits uses a locked or, making simple cases MP safe.
46 */
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47#define DO_SETBITS(name, var, bits) \
48void name(void) \
49{ \
50 struct mdglobaldata *gd = mdcpu; \
51 atomic_set_int_nonlocked(var, bits); \
52 atomic_set_int_nonlocked(&gd->mi.gd_reqflags, RQF_INTPEND); \
53} \
984263bc 54
235957ed 55DO_SETBITS(setdelayed, &gd->gd_ipending, loadandclear(&gd->gd_idelayed))
984263bc 56
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57DO_SETBITS(setsoftcamnet,&gd->gd_ipending, SWI_CAMNET_PENDING)
58DO_SETBITS(setsoftcambio,&gd->gd_ipending, SWI_CAMBIO_PENDING)
59DO_SETBITS(setsoftclock, &gd->gd_ipending, SWI_CLOCK_PENDING)
60DO_SETBITS(setsoftnet, &gd->gd_ipending, SWI_NET_PENDING)
61DO_SETBITS(setsofttty, &gd->gd_ipending, SWI_TTY_PENDING)
62DO_SETBITS(setsoftvm, &gd->gd_ipending, SWI_VM_PENDING)
63DO_SETBITS(setsofttq, &gd->gd_ipending, SWI_TQ_PENDING)
64DO_SETBITS(setsoftcrypto,&gd->gd_ipending, SWI_CRYPTO_PENDING)
984263bc 65
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66DO_SETBITS(schedsoftcamnet, &gd->gd_idelayed, SWI_CAMNET_PENDING)
67DO_SETBITS(schedsoftcambio, &gd->gd_idelayed, SWI_CAMBIO_PENDING)
68DO_SETBITS(schedsoftnet, &gd->gd_idelayed, SWI_NET_PENDING)
69DO_SETBITS(schedsofttty, &gd->gd_idelayed, SWI_TTY_PENDING)
70DO_SETBITS(schedsoftvm, &gd->gd_idelayed, SWI_VM_PENDING)
71DO_SETBITS(schedsofttq, &gd->gd_idelayed, SWI_TQ_PENDING)
ef0fdad1 72/* YYY schedsoft what? */
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73
74unsigned
75softclockpending(void)
76{
ef0fdad1 77 return ((mdcpu->gd_ipending | mdcpu->gd_fpending) & SWI_CLOCK_PENDING);
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78}
79