projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| b804e8a6 JL |
1 | /* |
| 2 | * Common device infrastructure for devices in the virtual css | |
| 3 | * | |
| 4 | * Copyright 2016 IBM Corp. | |
| 5 | * Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com> | |
| 6 | * | |
| 7 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
| 8 | * your option) any later version. See the COPYING file in the top-level | |
| 9 | * directory. | |
| 10 | */ | |
| 11 | #include "qemu/osdep.h" | |
| 12 | #include "ccw-device.h" | |
| 13 | ||
| d8d98db5 DJS |
14 | static void ccw_device_refill_ids(CcwDevice *dev) |
| 15 | { | |
| 16 | SubchDev *sch = dev->sch; | |
| 17 | ||
| 18 | assert(sch); | |
| 19 | ||
| 20 | dev->dev_id.cssid = sch->cssid; | |
| 21 | dev->dev_id.ssid = sch->ssid; | |
| 22 | dev->dev_id.devid = sch->devno; | |
| 23 | dev->dev_id.valid = true; | |
| 24 | ||
| 25 | dev->subch_id.cssid = sch->cssid; | |
| 26 | dev->subch_id.ssid = sch->ssid; | |
| 27 | dev->subch_id.devid = sch->schid; | |
| 28 | dev->subch_id.valid = true; | |
| 29 | } | |
| 30 | ||
| 31 | static void ccw_device_realize(CcwDevice *dev, Error **errp) | |
| 32 | { | |
| 33 | ccw_device_refill_ids(dev); | |
| 34 | } | |
| 35 | ||
| 36 | static Property ccw_device_properties[] = { | |
| 2a78ac66 | 37 | DEFINE_PROP_CSS_DEV_ID("devno", CcwDevice, devno), |
| d8d98db5 DJS |
38 | DEFINE_PROP_CSS_DEV_ID_RO("dev_id", CcwDevice, dev_id), |
| 39 | DEFINE_PROP_CSS_DEV_ID_RO("subch_id", CcwDevice, subch_id), | |
| 40 | DEFINE_PROP_END_OF_LIST(), | |
| 41 | }; | |
| 42 | ||
| 838fb84f CH |
43 | static void ccw_device_reset(DeviceState *d) |
| 44 | { | |
| 45 | CcwDevice *ccw_dev = CCW_DEVICE(d); | |
| 46 | ||
| 47 | css_reset_sch(ccw_dev->sch); | |
| 48 | } | |
| 49 | ||
| d8d98db5 DJS |
50 | static void ccw_device_class_init(ObjectClass *klass, void *data) |
| 51 | { | |
| 52 | DeviceClass *dc = DEVICE_CLASS(klass); | |
| 53 | CCWDeviceClass *k = CCW_DEVICE_CLASS(klass); | |
| 54 | ||
| 55 | k->realize = ccw_device_realize; | |
| 56 | k->refill_ids = ccw_device_refill_ids; | |
| 57 | dc->props = ccw_device_properties; | |
| 838fb84f | 58 | dc->reset = ccw_device_reset; |
| d8d98db5 DJS |
59 | } |
| 60 | ||
| 517ff12c HP |
61 | const VMStateDescription vmstate_ccw_dev = { |
| 62 | .name = "s390_ccw_dev", | |
| 63 | .version_id = 1, | |
| 64 | .minimum_version_id = 1, | |
| 65 | .fields = (VMStateField[]) { | |
| 66 | VMSTATE_STRUCT_POINTER(sch, CcwDevice, vmstate_subch_dev, SubchDev), | |
| 67 | VMSTATE_END_OF_LIST() | |
| 68 | } | |
| 69 | }; | |
| 70 | ||
| b804e8a6 JL |
71 | static const TypeInfo ccw_device_info = { |
| 72 | .name = TYPE_CCW_DEVICE, | |
| 73 | .parent = TYPE_DEVICE, | |
| 74 | .instance_size = sizeof(CcwDevice), | |
| 75 | .class_size = sizeof(CCWDeviceClass), | |
| d8d98db5 | 76 | .class_init = ccw_device_class_init, |
| b804e8a6 JL |
77 | .abstract = true, |
| 78 | }; | |
| 79 | ||
| 80 | static void ccw_device_register(void) | |
| 81 | { | |
| 82 | type_register_static(&ccw_device_info); | |
| 83 | } | |
| 84 | ||
| 85 | type_init(ccw_device_register) |