From b73d35311098585dbdb375fdf8369b16c8222e12 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Fri, 25 Jan 2013 01:16:39 +0100 Subject: s390: Move hw files to hw/s390x This moves all files only used by s390 system emulation to hw/s390x. Signed-off-by: Alexander Graf Acked-by: Christian Borntraeger --- hw/s390x/s390-virtio-bus.h | 124 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 hw/s390x/s390-virtio-bus.h (limited to 'hw/s390x/s390-virtio-bus.h') diff --git a/hw/s390x/s390-virtio-bus.h b/hw/s390x/s390-virtio-bus.h new file mode 100644 index 0000000000..4aacf83998 --- /dev/null +++ b/hw/s390x/s390-virtio-bus.h @@ -0,0 +1,124 @@ +/* + * QEMU S390x VirtIO BUS definitions + * + * Copyright (c) 2009 Alexander Graf + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ +#ifndef HW_S390_VIRTIO_BUS_H +#define HW_S390_VIRTIO_BUS_H 1 + +#include "hw/virtio-blk.h" +#include "hw/virtio-net.h" +#include "hw/virtio-rng.h" +#include "hw/virtio-serial.h" +#include "hw/virtio-scsi.h" +#include "hw/virtio-bus.h" + +#define VIRTIO_DEV_OFFS_TYPE 0 /* 8 bits */ +#define VIRTIO_DEV_OFFS_NUM_VQ 1 /* 8 bits */ +#define VIRTIO_DEV_OFFS_FEATURE_LEN 2 /* 8 bits */ +#define VIRTIO_DEV_OFFS_CONFIG_LEN 3 /* 8 bits */ +#define VIRTIO_DEV_OFFS_STATUS 4 /* 8 bits */ +#define VIRTIO_DEV_OFFS_CONFIG 5 /* dynamic */ + +#define VIRTIO_VQCONFIG_OFFS_TOKEN 0 /* 64 bits */ +#define VIRTIO_VQCONFIG_OFFS_ADDRESS 8 /* 64 bits */ +#define VIRTIO_VQCONFIG_OFFS_NUM 16 /* 16 bits */ +#define VIRTIO_VQCONFIG_LEN 24 + +#define VIRTIO_RING_LEN (TARGET_PAGE_SIZE * 3) +#define VIRTIO_VRING_AVAIL_IDX_OFFS 2 +#define VIRTIO_VRING_USED_IDX_OFFS 2 +#define S390_DEVICE_PAGES 512 + +#define VIRTIO_PARAM_MASK 0xff +#define VIRTIO_PARAM_VRING_INTERRUPT 0x0 +#define VIRTIO_PARAM_CONFIG_CHANGED 0x1 +#define VIRTIO_PARAM_DEV_ADD 0x2 + +#define TYPE_VIRTIO_S390_DEVICE "virtio-s390-device" +#define VIRTIO_S390_DEVICE(obj) \ + OBJECT_CHECK(VirtIOS390Device, (obj), TYPE_VIRTIO_S390_DEVICE) +#define VIRTIO_S390_DEVICE_CLASS(klass) \ + OBJECT_CLASS_CHECK(VirtIOS390DeviceClass, (klass), TYPE_VIRTIO_S390_DEVICE) +#define VIRTIO_S390_DEVICE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VirtIOS390DeviceClass, (obj), TYPE_VIRTIO_S390_DEVICE) + +#define TYPE_S390_VIRTIO_BUS "s390-virtio-bus" +#define S390_VIRTIO_BUS(obj) \ + OBJECT_CHECK(VirtIOS390Bus, (obj), TYPE_S390_VIRTIO_BUS) + +/* virtio-s390-bus */ + +typedef struct VirtioBusState VirtioS390BusState; +typedef struct VirtioBusClass VirtioS390BusClass; + +#define TYPE_VIRTIO_S390_BUS "virtio-s390-bus" +#define VIRTIO_S390_BUS(obj) \ + OBJECT_CHECK(VirtioS390BusState, (obj), TYPE_VIRTIO_S390_BUS) +#define VIRTIO_S390_BUS_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VirtioS390BusClass, obj, TYPE_VIRTIO_S390_BUS) +#define VIRTIO_S390_BUS_CLASS(klass) \ + OBJECT_CLASS_CHECK(VirtioS390BusClass, klass, TYPE_VIRTIO_S390_BUS) + + +typedef struct VirtIOS390Device VirtIOS390Device; + +void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev); + +typedef struct VirtIOS390DeviceClass { + DeviceClass qdev; + int (*init)(VirtIOS390Device *dev); +} VirtIOS390DeviceClass; + +struct VirtIOS390Device { + DeviceState qdev; + ram_addr_t dev_offs; + ram_addr_t feat_offs; + uint8_t feat_len; + VirtIODevice *vdev; + VirtIOBlkConf blk; + NICConf nic; + uint32_t host_features; + virtio_serial_conf serial; + virtio_net_conf net; + VirtIOSCSIConf scsi; + VirtIORNGConf rng; + VirtioBusState bus; +}; + +typedef struct VirtIOS390Bus { + BusState bus; + + VirtIOS390Device *console; + ram_addr_t dev_page; + ram_addr_t dev_offs; + ram_addr_t next_ring; +} VirtIOS390Bus; + + +void s390_virtio_device_update_status(VirtIOS390Device *dev); + +VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus); +VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size); + +VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, + ram_addr_t mem, int *vq_num); +VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem); +void s390_virtio_device_sync(VirtIOS390Device *dev); +void s390_virtio_reset_idx(VirtIOS390Device *dev); + + +#endif -- cgit v1.2.1