2  * s390 CCW Assignment Support
11  * top-level directory.
19 #include "hw/s390x/css-bridge.h"
20 #include "hw/s390x/s390-ccw.h"
25     S390CCWDeviceClass *cdc = S390_CCW_DEVICE_GET_CLASS(sch->driver_data);  in s390_ccw_cmd_request()
27     if (!cdc->handle_request) {  in s390_ccw_cmd_request()
30     return cdc->handle_request(sch);  in s390_ccw_cmd_request()
35     S390CCWDeviceClass *cdc = S390_CCW_DEVICE_GET_CLASS(sch->driver_data);  in s390_ccw_halt()
37     if (!cdc->handle_halt) {  in s390_ccw_halt()
38         return -ENOSYS;  in s390_ccw_halt()
40     return cdc->handle_halt(sch);  in s390_ccw_halt()
45     S390CCWDeviceClass *cdc = S390_CCW_DEVICE_GET_CLASS(sch->driver_data);  in s390_ccw_clear()
47     if (!cdc->handle_clear) {  in s390_ccw_clear()
48         return -ENOSYS;  in s390_ccw_clear()
50     return cdc->handle_clear(sch);  in s390_ccw_clear()
63     if (object_dynamic_cast(OBJECT(sch->driver_data), TYPE_S390_CCW)) {  in s390_ccw_store()
64         cdc = S390_CCW_DEVICE_GET_CLASS(sch->driver_data);  in s390_ccw_store()
67     if (cdc && cdc->handle_store) {  in s390_ccw_store()
68         ret = cdc->handle_store(sch);  in s390_ccw_store()
86                           "Use -device vfio-ccw,sysfsdev=PATH_TO_DEVICE\n");  in s390_ccw_get_dev_info()
95     cdev->mdevid = g_path_get_basename(dev_path);  in s390_ccw_get_dev_info()
104     cdev->hostid.cssid = cssid;  in s390_ccw_get_dev_info()
105     cdev->hostid.ssid = ssid;  in s390_ccw_get_dev_info()
106     cdev->hostid.devid = devid;  in s390_ccw_get_dev_info()
107     cdev->hostid.valid = true;  in s390_ccw_get_dev_info()
123     sch = css_create_sch(ccw_dev->devno, errp);  in s390_ccw_realize()
127     sch->driver_data = cdev;  in s390_ccw_realize()
128     sch->do_subchannel_work = do_subchannel_work_passthrough;  in s390_ccw_realize()
129     sch->irb_cb = build_irb_passthrough;  in s390_ccw_realize()
131     ccw_dev->sch = sch;  in s390_ccw_realize()
132     ret = css_sch_build_schib(sch, &cdev->hostid);  in s390_ccw_realize()
134         error_setg_errno(errp, -ret, "%s: Failed to build initial schib",  in s390_ccw_realize()
139     if (!ck->realize(ccw_dev, errp)) {  in s390_ccw_realize()
143     css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,  in s390_ccw_realize()
144                           parent->hotplugged, 1);  in s390_ccw_realize()
148     css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);  in s390_ccw_realize()
149     ccw_dev->sch = NULL;  in s390_ccw_realize()
152     g_free(cdev->mdevid);  in s390_ccw_realize()
159     SubchDev *sch = ccw_dev->sch;  in s390_ccw_unrealize()
162         css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);  in s390_ccw_unrealize()
164         ccw_dev->sch = NULL;  in s390_ccw_unrealize()
167     g_free(cdev->mdevid);  in s390_ccw_unrealize()
174     device_add_bootindex_property(obj, &dev->bootindex, "bootindex",  in s390_ccw_instance_init()
182     cdc->realize = s390_ccw_realize;  in s390_ccw_class_init()
183     cdc->unrealize = s390_ccw_unrealize;  in s390_ccw_class_init()