Add access control support to qemu bridge helper
[qemu.git] / hw / s390-virtio-bus.h
1 /*
2 * QEMU S390x VirtIO BUS definitions
3 *
4 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "virtio-net.h"
21 #include "virtio-serial.h"
22
23 #define VIRTIO_DEV_OFFS_TYPE 0 /* 8 bits */
24 #define VIRTIO_DEV_OFFS_NUM_VQ 1 /* 8 bits */
25 #define VIRTIO_DEV_OFFS_FEATURE_LEN 2 /* 8 bits */
26 #define VIRTIO_DEV_OFFS_CONFIG_LEN 3 /* 8 bits */
27 #define VIRTIO_DEV_OFFS_STATUS 4 /* 8 bits */
28 #define VIRTIO_DEV_OFFS_CONFIG 5 /* dynamic */
29
30 #define VIRTIO_VQCONFIG_OFFS_TOKEN 0 /* 64 bits */
31 #define VIRTIO_VQCONFIG_OFFS_ADDRESS 8 /* 64 bits */
32 #define VIRTIO_VQCONFIG_OFFS_NUM 16 /* 16 bits */
33 #define VIRTIO_VQCONFIG_LEN 24
34
35 #define VIRTIO_RING_LEN (TARGET_PAGE_SIZE * 3)
36 #define S390_DEVICE_PAGES 512
37
38 #define VIRTIO_PARAM_MASK 0xff
39 #define VIRTIO_PARAM_VRING_INTERRUPT 0x0
40 #define VIRTIO_PARAM_CONFIG_CHANGED 0x1
41 #define VIRTIO_PARAM_DEV_ADD 0x2
42
43 typedef struct VirtIOS390Device {
44 DeviceState qdev;
45 ram_addr_t dev_offs;
46 ram_addr_t feat_offs;
47 uint8_t feat_len;
48 VirtIODevice *vdev;
49 BlockConf block;
50 char *block_serial;
51 NICConf nic;
52 uint32_t host_features;
53 virtio_serial_conf serial;
54 virtio_net_conf net;
55 } VirtIOS390Device;
56
57 typedef struct VirtIOS390Bus {
58 BusState bus;
59
60 VirtIOS390Device *console;
61 ram_addr_t dev_page;
62 ram_addr_t dev_offs;
63 ram_addr_t next_ring;
64 } VirtIOS390Bus;
65
66
67 void s390_virtio_device_update_status(VirtIOS390Device *dev);
68
69 VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus);
70 VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size);
71
72 VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
73 ram_addr_t mem, int *vq_num);
74 VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem);
75 void s390_virtio_device_sync(VirtIOS390Device *dev);