227 lines
6.2 KiB
C
227 lines
6.2 KiB
C
/* $NetBSD: irix_sysmp.c,v 1.13 2005/06/02 20:14:55 martin Exp $ */
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/*-
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* Copyright (c) 2001-2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_sysmp.c,v 1.13 2005/06/02 20:14:55 martin Exp $");
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/resource.h>
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#include <sys/buf.h>
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#include <sys/malloc.h>
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#include <uvm/uvm_extern.h>
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#include <machine/vmparam.h>
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#include <compat/common/compat_util.h>
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#include <compat/svr4/svr4_types.h>
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#include <compat/irix/irix_types.h>
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#include <compat/irix/irix_signal.h>
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#include <compat/irix/irix_sysmp.h>
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#include <compat/irix/irix_syscallargs.h>
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/* IRIX /dev/kmem diggers emulation */
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static int irix_sysmp_kernaddr __P((int, register_t *));
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static int irix_sysmp_sasz __P((int, register_t *));
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static int irix_sysmp_saget __P((int, char *, size_t));
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extern struct loadavg averunnable;
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extern long irix_kernel_var[32];
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int
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irix_sys_sysmp(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct irix_sys_sysmp_args /* {
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syscallarg(int) cmd;
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syscallarg(void *) arg1;
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syscallarg(void *) arg2;
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syscallarg(void *) arg3;
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syscallarg(void *) arg4;
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} */ *uap = v;
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int cmd = SCARG(uap, cmd);
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int error = 0;
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#ifdef DEBUG_IRIX
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printf("irix_sys_sysmp(): cmd = %d\n", cmd);
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#endif
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switch(cmd) {
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case IRIX_MP_NPROCS: /* Number of processors in complex */
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case IRIX_MP_NAPROCS: { /* Number of active processors in complex */
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int ncpu, name[2];
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size_t sz;
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name[0] = CTL_HW;
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name[1] = HW_NCPU;
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sz = sizeof(ncpu);
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/*
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* by passing a NULL lwp pointer, we indicate that oldp
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* (and newp) are kernel addresses, not userspace
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* addresses, making this whole thing simpler
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*/
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error = old_sysctl(&name[0], 2, &ncpu, &sz, NULL, 0, NULL);
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if (!error)
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*retval = ncpu;
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return error;
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break;
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}
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case IRIX_MP_PGSIZE: /* Page size */
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*retval = (register_t)PAGE_SIZE;
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break;
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case IRIX_MP_KERNADDR: /* Kernel structure addresses */
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return irix_sysmp_kernaddr((int)SCARG(uap, arg1), retval);
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break;
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case IRIX_MP_SASZ: /* System accounting structure size */
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return irix_sysmp_sasz((int)SCARG(uap, arg1), retval);
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break;
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case IRIX_MP_SAGET1: /* Get system accounting structure for one CPU */
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case IRIX_MP_SAGET: /* Get system accounting structure for all CPU */
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return irix_sysmp_saget((int)SCARG(uap, arg1),
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(char *)SCARG(uap, arg2), (size_t)SCARG(uap, arg3));
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break;
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default:
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printf("Warning: call to unimplemented sysmp() command %d\n",
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cmd);
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return EINVAL;
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break;
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}
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return 0;
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}
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static int
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irix_sysmp_kernaddr(kernaddr, retval)
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int kernaddr;
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register_t *retval;
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{
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switch (kernaddr) {
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case IRIX_MPKA_AVENRUN:
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*retval = (register_t)&averunnable;
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break;
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case IRIX_MPKA_VAR:
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*retval = (register_t)&irix_kernel_var;
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break;
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default:
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printf("Warning: sysmp(KERNADDR) unimplemented address %d\n",
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kernaddr);
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return EINVAL;
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break;
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}
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return 0;
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}
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static int
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irix_sysmp_sasz(cmd, retval)
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int cmd;
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register_t *retval;
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{
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switch (cmd) {
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case IRIX_MPSA_RMINFO:
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*retval = sizeof(struct irix_sysmp_rminfo);
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break;
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default:
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printf("Warning: sysmp(SASZ) unimplemented struct %d\n",
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cmd);
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return EINVAL;
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break;
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}
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return 0;
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}
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static int
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irix_sysmp_saget(cmd, buf, len)
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int cmd;
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char *buf;
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size_t len;
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{
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extern u_int bufpages;
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void *kbuf;
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int error = 0;
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kbuf = malloc(len, M_TEMP, M_WAITOK);
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switch (cmd) {
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case IRIX_MPSA_RMINFO: {
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struct irix_sysmp_rminfo *irm =
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(struct irix_sysmp_rminfo *)kbuf;
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irm->freemem = uvmexp.free + uvmexp.filepages;
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irm->availsmem = uvmexp.free + uvmexp.active + uvmexp.inactive
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+ uvmexp.wired + (uvmexp.swpages - uvmexp.swpgonly);
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irm->availrmem = uvmexp.free + uvmexp.active + uvmexp.inactive
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+ uvmexp.wired;
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irm->bufmem = bufpages;
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irm->physmem = uvmexp.npages;
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irm->dchunkpages = 0; /* unsupported */
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irm->pmapmem = 0; /* unsupported */
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irm->strmem = 0; /* unsupported */
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irm->chunkpages = 0; /* unsupported */
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irm->dpages = 0; /* unsupported */
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irm->emptymem = uvmexp.free;
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irm->ravailrmem = uvmexp.active + uvmexp.inactive + uvmexp.free;
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break;
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}
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default:
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printf("Warning: sysmp(SAGET) unimplemented struct %d\n",
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cmd);
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error = EINVAL;
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break;
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}
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if (error == 0)
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error = copyout(kbuf, buf, len);
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free(kbuf, M_TEMP);
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return error;
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}
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