mirror of https://gitee.com/openkylin/qemu.git
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/*
|
|
* QEMU S390x VirtIO BUS definitions
|
|
*
|
|
* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
|
|
*
|
|
* 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "virtio-net.h"
|
|
#include "virtio-serial.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 S390_DEVICE_PAGES 512
|
|
|
|
typedef struct VirtIOS390Device {
|
|
DeviceState qdev;
|
|
ram_addr_t dev_offs;
|
|
ram_addr_t feat_offs;
|
|
uint8_t feat_len;
|
|
VirtIODevice *vdev;
|
|
BlockConf block;
|
|
char *block_serial;
|
|
NICConf nic;
|
|
uint32_t host_features;
|
|
virtio_serial_conf serial;
|
|
virtio_net_conf net;
|
|
} VirtIOS390Device;
|
|
|
|
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);
|