+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "hd.h"
-#include "hd_int.h"
-#include "hddb.h"
-#include "s390.h"
-
-#if defined(__s390__) || defined(__s390x__)
-
-#include <sysfs/libsysfs.h>
-#include <sysfs/dlist.h>
-
-#define BUSNAME "ccw"
-#define BUSNAME_GROUP "ccwgroup"
-#define BUSNAME_IUCV "iucv"
-
-static void hd_scan_s390_ex(hd_data_t *hd_data, int disks_only)
-{
- hd_t* hd;
- hd_res_t* res;
- struct sysfs_bus *bus;
- struct sysfs_bus *bus_group;
- struct sysfs_device *curdev = NULL;
- struct dlist *attributes = NULL;
- struct sysfs_attribute *curattr = NULL;
- struct dlist *devlist = NULL;
- struct dlist *devlist_group = NULL;
- int virtual_machine=0;
-
- unsigned int devtype=0,devmod=0,cutype=0,cumod=0;
-
- /* list of each channel's cutype, used for finding multichannel devices */
- int cutypes[1<<16]={0};
- int i;
-
- hd_data->module=mod_s390;
-
- remove_hd_entries(hd_data);
-
- bus=sysfs_open_bus(BUSNAME);
- bus_group=sysfs_open_bus(BUSNAME_GROUP);
-
- if (!bus)
- {
- ADD2LOG("unable to open" BUSNAME "bus");
- return;
- }
-
- devlist=sysfs_get_bus_devices(bus);
- if(bus_group) devlist_group=sysfs_get_bus_devices(bus_group);
-
- if(!devlist)
- {
- ADD2LOG("unable to get devices on bus " BUSNAME);
- return;
- }
-
- /* build cutypes list */
- dlist_for_each_data(devlist, curdev, struct sysfs_device)
- {
- int channel=strtol(rindex(curdev->bus_id,'.')+1,NULL,16);
- attributes = sysfs_get_device_attributes(curdev);
- dlist_for_each_data(attributes,curattr,struct sysfs_attribute)
- {
- if(strcmp("cutype",curattr->name)==0)
- cutype=strtol(curattr->value,NULL,16);
- }
- cutypes[channel]=cutype;
- }
- /* check for each channel if it must be skipped and identify virtual reader/punch */
- for(i=0;i<(1<<16);i++)
- {
- if(cutypes[i]==0x3088) /* It seems that QDIO devices only appear once */
- cutypes[i+1]*=-1; /* negative cutype -> skip */
-
- if(cutypes[i]==0x2540)
- {
- virtual_machine=1; /* we are running in VM */
- cutypes[i]=-2; /* reader */
- cutypes[i+1]=-3; /* punch */
- }
- }
-
- /* identify grouped channels */
- if(devlist_group) dlist_for_each_data(devlist_group, curdev, struct sysfs_device)
- {
- struct sysfs_directory* d;
- struct dlist* dl;
- struct sysfs_link* cl;
- //printf("ccwg %s\n",curdev->path);
- d=sysfs_open_directory(curdev->path);
- dl=sysfs_get_dir_links(d);
- dlist_for_each_data(dl,cl,struct sysfs_link) /* iterate over this channel group */
- {
- if(!rindex(cl->target,'.')) continue;
- int channel=strtol(rindex(cl->target,'.')+1,NULL,16);
- //printf("channel %x name %s target %s\n",channel,cl->name,cl->target);
- if(strncmp("cdev",cl->name,4)==0)
- {
- if(cl->name[4]=='0') /* first channel in group gets an entry */
- {
- if(cutypes[channel]<0) cutypes[channel]*=-1; /* make sure its positive */
- }
- else /* other channels in group are skipped */
- if(cutypes[channel]>0) cutypes[channel]*=-1; /* make sure its negative */
- }
-
- }
- }
-
- dlist_for_each_data(devlist, curdev, struct sysfs_device)
- {
- int readonly=0;
- res=new_mem(sizeof *res);
-
- attributes = sysfs_get_device_attributes(curdev);
- dlist_for_each_data(attributes,curattr, struct sysfs_attribute)
- {
- if (strcmp("online",curattr->name)==0)
- res->io.enabled=atoi(curattr->value);
- else if (strcmp("cutype",curattr->name)==0)
- {
- cutype=strtol(curattr->value,NULL,16);
- cumod=strtol(index(curattr->value,'/')+1,NULL,16);
- } else if (strcmp("devtype",curattr->name)==0)
- {
- devtype=strtol(curattr->value,NULL,16);
- devmod=strtol(index(curattr->value,'/')+1,NULL,16);
- } else if (strcmp("readonly",curattr->name)==0)
- {
- readonly=atoi(curattr->value);
- }
- }
-
- res->io.type=res_io;
- res->io.access=readonly?acc_ro:acc_rw;
- res->io.base=strtol(rindex(curdev->bus_id,'.')+1,NULL,16);
-
- /* Skip additional channels for multi-channel devices */
- if(cutypes[res->io.base] < -3)
- continue;
-
- if(disks_only && cutype!=0x3990 && cutype!=0x2105 && cutype!=0x3880 && cutype!=0x9343 && cutype!=0x6310 &&
- (cutype != 0x1731 || devtype != 0x1732 || cumod != 3))
- continue;
-
- res->io.range=1;
- switch (cutype)
- {
- /* three channels */
- case 0x1731: /* QDIO (QETH, HSI, zFCP) */
- res->io.range++;
- /* two channels */
- case 0x3088: /* CU3088 (CTC, LCS) */
- res->io.range++;
- }
-
- hd=add_hd_entry(hd_data,__LINE__,0);
- add_res_entry(&hd->res,res);
- hd->vendor.id=MAKE_ID(TAG_SPECIAL,0x6001); /* IBM */
- hd->device.id=MAKE_ID(TAG_SPECIAL,cutype);
- hd->sub_device.id=MAKE_ID(TAG_SPECIAL,devtype);
- hd->bus.id=bus_ccw;
- hd->sysfs_device_link = new_str(hd_sysfs_id(curdev->path));
- hd->sysfs_bus_id = new_str(strrchr(curdev->path,'/')+1);
-
- if(cutypes[res->io.base]==-2) /* virtual reader */
- {
- hd->base_class.id=bc_scanner;
- }
- if(cutypes[res->io.base]==-3) /* virtual punch */
- {
- hd->base_class.id=bc_printer;
- }
- /* all other device data (names, classes etc.) comes from the s390 ID file */
-
- hd->detail=free_hd_detail(hd->detail);
- hd->detail=new_mem(sizeof *hd->detail);
- hd->detail->ccw.type=hd_detail_ccw;
- hd->detail->ccw.data=new_mem(sizeof(ccw_t));
- hd->detail->ccw.data->cu_model=cumod;
- hd->detail->ccw.data->dev_model=devmod;
- hd->detail->ccw.data->lcss=(strtol(curdev->bus_id,0,16) << 8) + strtol(curdev->bus_id+2,0,16);
- hddb_add_info(hd_data,hd);
- }
-
- if(virtual_machine)
- {
- /* add an unactivated IUCV device */
- hd=add_hd_entry(hd_data,__LINE__,0);
- hd->vendor.id=MAKE_ID(TAG_SPECIAL,0x6001); /* IBM */
- hd->device.id=MAKE_ID(TAG_SPECIAL,0x0005); /* IUCV */
- hd->bus.id=bus_iucv;
- hd->base_class.id=bc_network;
- hd->status.active=status_no;
- hd->status.available=status_yes;
- hddb_add_info(hd_data,hd);
-
- /* add activated IUCV devices */
- bus=sysfs_open_bus(BUSNAME_IUCV);
- if(bus)
- {
- devlist=sysfs_get_bus_devices(bus);
- if(devlist)
- {
- dlist_for_each_data(devlist, curdev, struct sysfs_device)
- {
- hd=add_hd_entry(hd_data,__LINE__,0);
- hd->vendor.id=MAKE_ID(TAG_SPECIAL,0x6001); /* IBM */
- hd->device.id=MAKE_ID(TAG_SPECIAL,0x0005); /* IUCV */
- hd->bus.id=bus_iucv;
- hd->base_class.id=bc_network;
- hd->status.active=status_yes;
- hd->status.available=status_yes;
- attributes = sysfs_get_device_attributes(curdev);
- dlist_for_each_data(attributes,curattr,struct sysfs_attribute)
- {
- if(strcmp("user",curattr->name)==0)
- hd->rom_id=new_str(curattr->value);
- }
- hd->sysfs_device_link = new_str(hd_sysfs_id(curdev->path));
- hd->sysfs_bus_id = new_str(strrchr(curdev->path,'/')+1);
- hddb_add_info(hd_data,hd);
- }
- }
- }
-
- }
-}
-
-void hd_scan_s390(hd_data_t *hd_data)
-{
- if (!hd_probe_feature(hd_data, pr_s390)) return;
- hd_scan_s390_ex(hd_data, 0);
-}
-
-void hd_scan_s390disks(hd_data_t *hd_data)
-{
- if (!hd_probe_feature(hd_data, pr_s390disks)) return;
- hd_scan_s390_ex(hd_data, 1);
-}
-
-#endif
-
projects / people / teissler / ipfire-2.x.git / blobdiff