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123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/***************************************************
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* file: userconfig/uc_pci.c
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*
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* Copyright (c) 1996 Eric L. Hernes (erich@rrnet.com)
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* All rights reserved.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <nlist.h>
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#include <pci/pcivar.h>
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#include "uc_main.h"
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void
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get_pci_info(struct kernel *kp){
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int i, total;
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u_int *ls, ndev;
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struct pci_device *pd;
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struct uc_pci *pp,*ppc;
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char *name;
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if(kp->nl[PCI_SET].n_value){
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pp = ppc = (struct uc_pci *)malloc(sizeof(struct uc_pci));
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ls=(u_int *)kv_to_u(kp, kp->nl[PCI_SET].n_value, sizeof(u_int)*30); /* XXX, size? */
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ndev=ls[0];
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total=0;
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for(i=1;i<(ndev+1);i++){
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pp=(struct uc_pci *)realloc(pp, sizeof(struct uc_pci)*(total+1));
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ppc = pp+(total);
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pd=(struct pci_device *)kv_to_u(kp, ls[i], sizeof(struct pci_device));
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/* don't try to dereference a null pointer */
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name=pd->pd_name ? (char *)kv_to_u(kp, (u_int)pd->pd_name, 10) :
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pd->pd_name; /* XXX, size? */
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if(kp->incore){
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int u, k;
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/* incore, we can get unit numbers */
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u=kv_dref_p(kp, (u_int)pd->pd_count);
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for(k=0;k<u;k++,total++){
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pp=(struct uc_pci *)realloc(pp, sizeof(struct uc_pci)*(total+1));
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ppc = pp+(total);
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asprintf(&ppc->device, "%s%d", name, k);
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}
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free(pd);
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if(name)
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free(name);
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} else {
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asprintf(&ppc->device, "%s?", name);
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total++;
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}
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}
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pp=(struct uc_pci *)realloc(pp, sizeof(struct uc_pci)*(total+1));
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ppc = pp+(total);
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bzero(ppc, sizeof(struct uc_pci));
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kp->pci_devp=pp;
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} else {
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kp->pci_devp=(struct uc_pci *)0;
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}
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}
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struct list *
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get_pci_devlist(struct kernel *kp){
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struct list *dl;
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struct uc_pci *kdp;
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dl=list_new();
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for(kdp=kp->pci_devp; kdp->device; kdp++){
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list_append(dl, kdp->device);
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}
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return(dl);
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}
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struct list *
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get_pci_device(struct uc_pci *pp){
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struct list *list;
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list=list_new();
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list_append(list, pp->device);
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return(list);
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}
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void
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pci_free(struct kernel *kp, int writeback){
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struct uc_pci *pp;
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for(pp=kp->pci_devp;pp->device;pp++){
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free(pp->device);
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}
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free(kp->pci_devp);
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kp->pci_devp=0;
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}
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/* end of userconfig/uc_pci.c */
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