Remove all remaining SPL code. Replace the mtd_cpl field in the machine
[dragonfly.git] / sys / i386 / isa / ipl_funcs.c
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 $
27  * $DragonFly: src/sys/i386/isa/Attic/ipl_funcs.c,v 1.10 2005/06/16 21:12:47 dillon Exp $
28  */
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/sysctl.h>
34 #include <sys/proc.h>
35 #include <machine/ipl.h>
36 #include <machine/globaldata.h>
37 #include <machine/pcb.h>
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  */
47 #define DO_SETBITS(name, var, bits)                                     \
48 void 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 }                                                                       \
54
55 DO_SETBITS(setdelayed,   &gd->gd_ipending, loadandclear(&gd->gd_idelayed))
56
57 DO_SETBITS(setsoftcamnet,&gd->gd_ipending, SWI_CAMNET_PENDING)
58 DO_SETBITS(setsoftcambio,&gd->gd_ipending, SWI_CAMBIO_PENDING)
59 DO_SETBITS(setsoftclock, &gd->gd_ipending, SWI_CLOCK_PENDING)
60 DO_SETBITS(setsoftnet,   &gd->gd_ipending, SWI_NET_PENDING)
61 DO_SETBITS(setsofttty,   &gd->gd_ipending, SWI_TTY_PENDING)
62 DO_SETBITS(setsoftvm,    &gd->gd_ipending, SWI_VM_PENDING)
63 DO_SETBITS(setsofttq,    &gd->gd_ipending, SWI_TQ_PENDING)
64 DO_SETBITS(setsoftcrypto,&gd->gd_ipending, SWI_CRYPTO_PENDING)
65
66 DO_SETBITS(schedsoftcamnet, &gd->gd_idelayed, SWI_CAMNET_PENDING)
67 DO_SETBITS(schedsoftcambio, &gd->gd_idelayed, SWI_CAMBIO_PENDING)
68 DO_SETBITS(schedsoftnet, &gd->gd_idelayed, SWI_NET_PENDING)
69 DO_SETBITS(schedsofttty, &gd->gd_idelayed, SWI_TTY_PENDING)
70 DO_SETBITS(schedsoftvm,  &gd->gd_idelayed, SWI_VM_PENDING)
71 DO_SETBITS(schedsofttq,  &gd->gd_idelayed, SWI_TQ_PENDING)
72 /* YYY schedsoft what? */
73
74 unsigned
75 softclockpending(void)
76 {
77         return ((mdcpu->gd_ipending | mdcpu->gd_fpending) & SWI_CLOCK_PENDING);
78 }
79