478 lines
13 KiB
C
478 lines
13 KiB
C
/***************************************************
|
|
* file: userconfig/uc_scsi.c
|
|
*
|
|
* Copyright (c) 1996 Eric L. Hernes (erich@rrnet.com)
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software withough specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <nlist.h>
|
|
#include <scsi/scsiconf.h>
|
|
|
|
#include "uc_main.h"
|
|
|
|
/* this stuff is hidden under an #ifdef KERNEL in scsiconf.h */
|
|
#define SCCONF_UNSPEC 255
|
|
#define SCCONF_ANY 254
|
|
|
|
struct scsi_ctlr_config {
|
|
int scbus;
|
|
char *driver;
|
|
int unit;
|
|
int bus;
|
|
};
|
|
|
|
struct scsi_device_config {
|
|
char *name; /* SCSI device name (sd, st, etc) */
|
|
int unit; /* desired device unit */
|
|
int cunit; /* Controller unit */
|
|
int target; /* SCSI ID (target) */
|
|
int lun; /* SCSI lun */
|
|
int flags; /* Flags from config */
|
|
};
|
|
|
|
/* module prototypes */
|
|
static void get_sl_info(struct kernel *kp, struct uc_scsi *spc,
|
|
struct scsi_link *sl);
|
|
|
|
void
|
|
get_scsi_info(struct kernel *kp){
|
|
int i, j, k;
|
|
|
|
if(kp->incore){
|
|
if (kp->nl[SCSI_BUSSES].n_value) {
|
|
u_int *es, *sba;
|
|
struct scsibus_data *sbd;
|
|
int nsbd, nscsibus, total;
|
|
struct uc_scsi *sp, *spc;
|
|
struct uc_scsibus *sbp, *sbpc;
|
|
struct scsi_link *s_l;
|
|
u_int *slp;
|
|
char *temp;
|
|
struct scsi_device *sdev;
|
|
u_int t;
|
|
char name[10];
|
|
|
|
sp=(struct uc_scsi*)malloc(sizeof(struct uc_scsi));
|
|
total=0;
|
|
sbp=(struct uc_scsibus*)malloc(sizeof(struct uc_scsibus));
|
|
nscsibus=0;
|
|
|
|
es=(u_int *)kv_to_u(kp, kv_dref_p(kp,kp->nl[SCSI_BUSSES].n_value),
|
|
sizeof(u_int)*2);
|
|
nsbd=es[0];
|
|
sba=(u_int *)kv_to_u(kp, es[1], sizeof(u_int)*nsbd);
|
|
free(es);
|
|
|
|
for(i=0;i<nsbd;i++){
|
|
if(sba[i]){
|
|
/* first grab the adapter info */
|
|
sbd=(struct scsibus_data *)kv_to_u(kp, sba[i],
|
|
sizeof(struct scsibus_data));
|
|
sbp=(struct uc_scsibus *)realloc(sbp, sizeof(struct uc_scsibus)*
|
|
(nscsibus+1));
|
|
|
|
sp=(struct uc_scsi*)realloc(sp, (sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
s_l=(struct scsi_link*)kv_to_u(kp, (u_int)sbd->adapter_link,
|
|
sizeof(struct scsi_link));
|
|
get_sl_info(kp, spc, s_l);
|
|
free(s_l);
|
|
|
|
sbpc=sbp+nscsibus;
|
|
sbpc->bus_no=nscsibus;
|
|
nscsibus++;
|
|
sscanf(spc->device, "%[a-z]%d", name, &sbpc->unit);
|
|
asprintf(&sbpc->driver, "%s", name);
|
|
|
|
total++;
|
|
t=kv_dref_p(kp, (u_int)sbd->sc_link);
|
|
t=(u_int)sbd->sc_link;
|
|
for(j=0;j<8;j++) {
|
|
slp=(u_int *)kv_to_u(kp, t+(j*8*sizeof(u_int)), /* XXX */
|
|
(sizeof(u_int)*sbd->maxlun));
|
|
for(k=0;k<sbd->maxlun && slp[k]; k++){
|
|
struct scsi_link *slt;
|
|
sp=(struct uc_scsi*)realloc(sp,
|
|
(sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
slt=(struct scsi_link*)kv_to_u(kp, slp[k],
|
|
sizeof(struct scsi_link));
|
|
get_sl_info(kp, spc, slt);
|
|
free(slt);
|
|
spc->config=(struct scsi_device_config *)0;
|
|
total++;
|
|
}
|
|
free(slp);
|
|
}
|
|
free(sbd);
|
|
}
|
|
}
|
|
/* now stuff in the list of drivers configured in the system */
|
|
t=kv_dref_p(kp, kp->nl[SCSI_LIST].n_value);
|
|
while(t) {
|
|
sdev=(struct scsi_device*)kv_to_u(kp, t, sizeof(struct scsi_device));
|
|
sp=(struct uc_scsi*)realloc(sp, (sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
total++;
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->name, 10);
|
|
asprintf(&spc->device, "%s*", temp);
|
|
free(temp);
|
|
asprintf(&spc->adapter, "any");
|
|
|
|
spc->target=SCCONF_ANY;
|
|
spc->lun=SCCONF_ANY;
|
|
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->desc, 20);
|
|
asprintf(&spc->desc, "%s", temp);
|
|
free(temp);
|
|
|
|
spc->config=(struct scsi_device_config *)0;
|
|
|
|
t=(u_int)sdev->next;
|
|
free(sdev);
|
|
}
|
|
/* slap on the terminators */
|
|
sp=(struct uc_scsi*)realloc(sp, (sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
bzero(spc, sizeof(struct uc_scsi));
|
|
|
|
sbp=(struct uc_scsibus *)realloc(sbp, sizeof(struct uc_scsibus)*
|
|
(nscsibus+1));
|
|
sbpc=sbp+nscsibus;
|
|
bzero(sbpc, sizeof(struct uc_scsibus));
|
|
|
|
kp->scsi_devp=sp;
|
|
kp->scsibus_devp=sbp;
|
|
} else { /* no symbol, and incore, no scsi */
|
|
kp->scsi_devp=(struct uc_scsi *)0;
|
|
kp->scsibus_devp=(struct uc_scsibus *)0;
|
|
}
|
|
} else { /* on disk */
|
|
|
|
if (kp->nl[SCSI_CINIT].n_value || kp->nl[SCSI_DINIT].n_value ||
|
|
kp->nl[SCSI_TINIT].n_value) {
|
|
int total=0;
|
|
struct uc_scsi *sp, *spc;
|
|
struct scsi_ctlr_config *sctl_c;
|
|
struct scsi_device_config *sdev_c;
|
|
struct scsi_device *sdev;
|
|
|
|
struct uc_scsibus *uc_scbus, *uc_scbusc;
|
|
|
|
u_int t, ctrl_total;
|
|
char *temp;
|
|
u_int initp;
|
|
|
|
spc=sp=(struct uc_scsi*)malloc(sizeof(struct uc_scsi));
|
|
total=0;
|
|
ctrl_total=0;
|
|
uc_scbus = NULL; /* Just prevent unused warning */
|
|
|
|
/* static kernel, we'll first get the wired controllers/devices */
|
|
if((t=kp->nl[SCSI_CINIT].n_value)){
|
|
/* get controller info*/
|
|
sctl_c=(struct scsi_ctlr_config*)kv_to_u(kp, t, sizeof(struct scsi_ctlr_config));
|
|
uc_scbus=(struct uc_scsibus*)malloc(sizeof(struct uc_scsibus));
|
|
|
|
while(sctl_c->driver){
|
|
|
|
/* remember the bus info, for later */
|
|
uc_scbus=(struct uc_scsibus*)realloc(uc_scbus, sizeof(struct uc_scsibus)*(ctrl_total+1));
|
|
uc_scbusc=uc_scbus+ctrl_total;
|
|
uc_scbusc->bus_no=sctl_c->scbus;
|
|
temp=(char *)kv_to_u(kp, (u_int)sctl_c->driver, 20);
|
|
uc_scbusc->driver=temp;
|
|
uc_scbusc->unit=sctl_c->unit;
|
|
uc_scbusc->config=sctl_c;
|
|
|
|
sp=(struct uc_scsi*)realloc(sp,sizeof(struct uc_scsi)*(total+1));
|
|
spc=sp+total;
|
|
asprintf(&spc->device, "%s%d", temp, sctl_c->unit);
|
|
asprintf(&spc->adapter, "%s%d", temp, sctl_c->unit);
|
|
spc->target=0;
|
|
spc->lun=0;
|
|
spc->modified=0;
|
|
asprintf(&spc->desc, "%s", temp);
|
|
total++;
|
|
ctrl_total++;
|
|
sctl_c++;
|
|
}
|
|
}
|
|
|
|
if((t=kp->nl[SCSI_DINIT].n_value)){
|
|
/* get wired device info */
|
|
sdev_c=(struct scsi_device_config*)kv_to_u(kp, t, sizeof(struct scsi_device_config));
|
|
while(sdev_c->name){
|
|
sp=(struct uc_scsi*)realloc(sp, sizeof(struct uc_scsi)*(total+1));
|
|
spc=sp+total;
|
|
temp=(char*)kv_to_u(kp, (u_int)sdev_c->name, 10);
|
|
asprintf(&spc->device, "%s%d", temp, sdev_c->unit);
|
|
/* figure out controller */
|
|
if(sdev_c->cunit == SCCONF_ANY){
|
|
asprintf(&spc->adapter, "any");
|
|
} else {
|
|
if(ctrl_total){
|
|
for(i=0;i<ctrl_total;i++){
|
|
if(sdev_c->cunit==uc_scbus[i].bus_no){
|
|
asprintf(&spc->adapter, "%s%d",
|
|
uc_scbus[i].driver, uc_scbus[i].unit);
|
|
break;
|
|
}
|
|
}
|
|
if(i==ctrl_total) { /* made it through the whole list */
|
|
asprintf(&spc->adapter, "any?");
|
|
}
|
|
} else {
|
|
asprintf(&spc->adapter, "any?");
|
|
}
|
|
}
|
|
spc->target= sdev_c->target;
|
|
spc->lun= sdev_c->lun;
|
|
spc->desc=(char *)0; /* filled in later */
|
|
spc->config=sdev_c;
|
|
spc->modified=0;
|
|
sdev_c++;
|
|
total++;
|
|
}
|
|
}
|
|
kp->scsibus_devp=uc_scbus;
|
|
|
|
if((t=kp->nl[SCSI_TINIT].n_value)) {
|
|
/* WARNING: This is teetering on the brink of stupid.
|
|
|
|
this ugly little hack only works because the
|
|
<scsi driver>init routines are macro-generated,
|
|
so the offset of the device pointers will be
|
|
the same (hopefully).
|
|
*/
|
|
|
|
while((initp=kv_dref_p(kp,t))) {
|
|
u_int tadr;
|
|
u_int sl;
|
|
|
|
t+=4;
|
|
tadr=kv_dref_t(kp, initp+4); /* offset in *.text* */
|
|
sdev=(struct scsi_device*)kv_to_u(kp, tadr, sizeof(struct scsi_device));
|
|
sp=(struct uc_scsi*)realloc(sp, (sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
total++;
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->name, 10);
|
|
asprintf(&spc->device, "%s*", temp);
|
|
|
|
asprintf(&spc->adapter, "any");
|
|
|
|
spc->target=SCCONF_ANY;
|
|
spc->lun=SCCONF_ANY;
|
|
spc->modified=0;
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->desc, 20);
|
|
asprintf(&spc->desc, "%s", temp);
|
|
/* now try to fill in any device descriptions from above */
|
|
sl=strlen(spc->device)-1;
|
|
for(i=0;i<(total-1);i++){ /* don't look at this device */
|
|
struct uc_scsi *usp;
|
|
|
|
usp=sp+i;
|
|
if(strncmp(usp->device, spc->device, sl)==0 && usp->desc==0) {
|
|
asprintf(&usp->desc, "%s", spc->desc);
|
|
}
|
|
}
|
|
}
|
|
if(total){
|
|
sp=(struct uc_scsi*)realloc(sp, (sizeof(struct uc_scsi)*(total+1)));
|
|
spc=sp+total;
|
|
bzero(spc, sizeof(struct uc_scsi));
|
|
kp->scsi_devp=sp;
|
|
} else {
|
|
free(sp);
|
|
kp->scsi_devp=(struct uc_scsi *)0;
|
|
}
|
|
}
|
|
} else {
|
|
kp->scsi_devp=(struct uc_scsi *)0;
|
|
}
|
|
}
|
|
}
|
|
|
|
struct list *
|
|
get_scsi_devlist(struct kernel *kp){
|
|
struct list *dl;
|
|
struct uc_scsi *kdp;
|
|
|
|
dl=list_new();
|
|
|
|
for(kdp=kp->scsi_devp; kdp->device; kdp++){
|
|
list_append(dl, kdp->device);
|
|
}
|
|
|
|
return(dl);
|
|
}
|
|
|
|
struct list *
|
|
get_scsi_device(struct uc_scsi *sp){
|
|
struct list *list;
|
|
char *tmp;
|
|
|
|
list=list_new();
|
|
|
|
list_append(list, sp->device);
|
|
list_append(list, sp->adapter);
|
|
|
|
asprintf(&tmp, "%d", sp->target );
|
|
list_append(list, tmp);
|
|
free(tmp);
|
|
|
|
asprintf(&tmp, "%d", sp->lun );
|
|
list_append(list, tmp);
|
|
free(tmp);
|
|
|
|
list_append(list, sp->desc);
|
|
|
|
return(list);
|
|
}
|
|
|
|
/* given a scsi_link and a uc_scsi pointer, fill it in */
|
|
static void
|
|
get_sl_info(struct kernel *kp, struct uc_scsi *spc, struct scsi_link *sl){
|
|
|
|
struct scsi_adapter *sadp;
|
|
struct scsi_device *sdev;
|
|
char *temp;
|
|
|
|
sadp=(struct scsi_adapter*)kv_to_u(kp, (u_int)sl->adapter,
|
|
sizeof(struct scsi_adapter));
|
|
|
|
sdev=(struct scsi_device*)kv_to_u(kp, (u_int)sl->device,
|
|
sizeof(struct scsi_device));
|
|
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->name, 20);
|
|
asprintf(&spc->device, "%s%d", temp, sl->dev_unit);
|
|
free(temp);
|
|
temp=(char *)kv_to_u(kp, (u_int)sadp->name, 20);
|
|
asprintf(&spc->adapter, "%s%d", temp, sl->adapter_unit);
|
|
free(temp);
|
|
spc->target = sl->target;
|
|
spc->lun = sl->lun;
|
|
|
|
temp=(char *)kv_to_u(kp, (u_int)sdev->desc, 30);
|
|
asprintf(&spc->desc, "%s", temp);
|
|
free(temp);
|
|
|
|
}
|
|
|
|
int
|
|
scsi_setdev(struct kernel *kp, struct list *list){
|
|
int r=1, bus_valid=0;
|
|
struct uc_scsi *sp;
|
|
struct uc_scsibus *sbp;
|
|
char *t;
|
|
|
|
if(kp->scsi_devp)
|
|
for(sp=kp->scsi_devp;sp->device;sp++){
|
|
if(strcmp(list->av[0], sp->device)==0){
|
|
for(sbp=kp->scsibus_devp;sbp->driver; sbp++){
|
|
asprintf(&t, "%s%d", sbp->driver, sbp->unit);
|
|
if(strcmp(list->av[1], t)==0) {
|
|
bus_valid=1;
|
|
}
|
|
free(t);
|
|
}
|
|
if(bus_valid){
|
|
sp->modified=1;
|
|
free(sp->adapter);
|
|
asprintf(&sp->adapter, "%s", list->av[1]);
|
|
sp->target = strtol(list->av[2], (char **)NULL, 0);
|
|
sp->lun = strtol(list->av[3], (char **)NULL, 0);
|
|
r=0;
|
|
goto done;
|
|
} else {
|
|
r=2;
|
|
}
|
|
}
|
|
}
|
|
done:
|
|
return(r);
|
|
}
|
|
|
|
void
|
|
scsi_free(struct kernel *kp, int writeback){
|
|
struct uc_scsi *sp;
|
|
struct uc_scsibus *sbp;
|
|
char *t;
|
|
int scbus, i;
|
|
|
|
for(sp=kp->scsi_devp; sp->device; sp++){
|
|
if((!kp->incore) && sp->modified && writeback) {
|
|
/* save info */
|
|
|
|
/* I'm not sure this is necessary */
|
|
#if 0
|
|
sscanf(sp->device, "%[a-z]%d", name, &unit);
|
|
sp->config->unit= unit;
|
|
#endif
|
|
|
|
/* figger out the controller, which may have changed */
|
|
scbus=-1;
|
|
for(sbp=kp->scsibus_devp, i=0;sbp->driver; sbp++,i++){
|
|
asprintf(&t, "%s%d", sbp->driver, sbp->unit);
|
|
if(strcmp(sp->adapter, t)==0) {
|
|
scbus=i;
|
|
}
|
|
free(t);
|
|
}
|
|
|
|
/* if we fell through, don't change anything */
|
|
if(scbus!=-1){
|
|
sp->config->cunit= scbus;
|
|
}
|
|
|
|
sp->config->target= sp->target;
|
|
sp->config->lun= sp->lun;
|
|
/* sp->config->flags= ; XXX this should be here*/
|
|
|
|
}
|
|
free(sp->device);
|
|
free(sp->adapter);
|
|
free(sp->desc);
|
|
}
|
|
free(kp->scsi_devp);
|
|
kp->scsi_devp=(struct uc_scsi *)0;
|
|
/* now free the bus info */
|
|
if(kp->incore){
|
|
for(sbp=kp->scsibus_devp;sbp->driver; sbp++){
|
|
/* fprintf(stderr, "sbp: 0x%x free(0x%x)\n", sbp, sbp->driver);*/
|
|
free(sbp->driver);
|
|
}
|
|
}
|
|
|
|
if (kp->scsibus_devp)
|
|
free(kp->scsibus_devp);
|
|
kp->scsibus_devp=(struct uc_scsibus *)0;
|
|
}
|
|
|
|
/* end of userconfig/uc_scsi.c */
|