/*- * Copyright (c) 1997 Bruce Evans. * All rights reserved. * * 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD: src/sys/i386/isa/ipl_funcs.c,v 1.32.2.5 2002/12/17 18:04:02 sam Exp $ * $DragonFly: src/sys/platform/vkernel/platform/ipl_funcs.c,v 1.2 2007/01/11 23:23:56 dillon Exp $ */ #include #include #include #include #include #include #include #include /* * Bits in the ipending bitmap variable must be set atomically because * ipending may be manipulated by interrupts or other cpu's without holding * any locks. * * Note: setbits uses a locked or, making simple cases MP safe. */ #define DO_SETBITS(name, var, bits) \ void \ name(void) \ { \ struct mdglobaldata *gd = mdcpu; \ atomic_set_int_nonlocked(var, bits); \ atomic_set_int(&gd->mi.gd_reqflags, RQF_INTPEND); \ umtx_wakeup(&gd->mi.gd_reqflags, 0); \ } \ DO_SETBITS(setdelayed, &gd->gd_spending, loadandclear(&gd->gd_sdelayed)) DO_SETBITS(setsoftcamnet,&gd->gd_spending, SWI_CAMNET_PENDING) DO_SETBITS(setsoftcambio,&gd->gd_spending, SWI_CAMBIO_PENDING) /*DO_SETBITS(setsoftunused02, &gd->gd_spending, SWI_UNUSED02_PENDING)*/ /*DO_SETBITS(setsoftunused01, &gd->gd_spending, SWI_UNUSED01_PENDING)*/ DO_SETBITS(setsofttty, &gd->gd_spending, SWI_TTY_PENDING) DO_SETBITS(setsoftvm, &gd->gd_spending, SWI_VM_PENDING) DO_SETBITS(setsofttq, &gd->gd_spending, SWI_TQ_PENDING) DO_SETBITS(setsoftcrypto,&gd->gd_spending, SWI_CRYPTO_PENDING) /*DO_SETBITS(schedsoftcamnet, &gd->gd_sdelayed, SWI_CAMNET_PENDING)*/ /*DO_SETBITS(schedsoftcambio, &gd->gd_sdelayed, SWI_CAMBIO_PENDING)*/ /*DO_SETBITS(schedsoftunused01, &gd->gd_sdelayed, SWI_UNUSED01_PENDING)*/ DO_SETBITS(schedsofttty, &gd->gd_sdelayed, SWI_TTY_PENDING) /*DO_SETBITS(schedsoftvm, &gd->gd_sdelayed, SWI_VM_PENDING)*/ /*DO_SETBITS(schedsofttq, &gd->gd_sdelayed, SWI_TQ_PENDING)*/ /* YYY schedsoft what? */