root / hw / s390-virtio-bus.h @ ae710b99
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1 | f3304eea | Alexander Graf | /*
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2 | f3304eea | Alexander Graf | * QEMU S390x VirtIO BUS definitions
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3 | f3304eea | Alexander Graf | *
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4 | f3304eea | Alexander Graf | * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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5 | f3304eea | Alexander Graf | *
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6 | f3304eea | Alexander Graf | * This library is free software; you can redistribute it and/or
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7 | f3304eea | Alexander Graf | * modify it under the terms of the GNU Lesser General Public
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8 | f3304eea | Alexander Graf | * License as published by the Free Software Foundation; either
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9 | f3304eea | Alexander Graf | * version 2 of the License, or (at your option) any later version.
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10 | f3304eea | Alexander Graf | *
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11 | f3304eea | Alexander Graf | * This library is distributed in the hope that it will be useful,
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12 | f3304eea | Alexander Graf | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | f3304eea | Alexander Graf | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | f3304eea | Alexander Graf | * Lesser General Public License for more details.
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15 | f3304eea | Alexander Graf | *
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16 | f3304eea | Alexander Graf | * You should have received a copy of the GNU Lesser General Public
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17 | f3304eea | Alexander Graf | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | f3304eea | Alexander Graf | */
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19 | f3304eea | Alexander Graf | |
20 | 12c5674b | Paolo Bonzini | #include "virtio-blk.h" |
21 | 6c33286a | Alexander Graf | #include "virtio-net.h" |
22 | 6be9b414 | Alexander Graf | #include "virtio-serial.h" |
23 | 973abc7f | Stefan Hajnoczi | #include "virtio-scsi.h" |
24 | 6c33286a | Alexander Graf | |
25 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_TYPE 0 /* 8 bits */ |
26 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_NUM_VQ 1 /* 8 bits */ |
27 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_FEATURE_LEN 2 /* 8 bits */ |
28 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_CONFIG_LEN 3 /* 8 bits */ |
29 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_STATUS 4 /* 8 bits */ |
30 | f3304eea | Alexander Graf | #define VIRTIO_DEV_OFFS_CONFIG 5 /* dynamic */ |
31 | f3304eea | Alexander Graf | |
32 | f3304eea | Alexander Graf | #define VIRTIO_VQCONFIG_OFFS_TOKEN 0 /* 64 bits */ |
33 | f3304eea | Alexander Graf | #define VIRTIO_VQCONFIG_OFFS_ADDRESS 8 /* 64 bits */ |
34 | f3304eea | Alexander Graf | #define VIRTIO_VQCONFIG_OFFS_NUM 16 /* 16 bits */ |
35 | f3304eea | Alexander Graf | #define VIRTIO_VQCONFIG_LEN 24 |
36 | f3304eea | Alexander Graf | |
37 | f3304eea | Alexander Graf | #define VIRTIO_RING_LEN (TARGET_PAGE_SIZE * 3) |
38 | 4170aea1 | Jens Freimann | #define VIRTIO_VRING_AVAIL_IDX_OFFS 2 |
39 | 4170aea1 | Jens Freimann | #define VIRTIO_VRING_USED_IDX_OFFS 2 |
40 | d1ff903c | Alexander Graf | #define S390_DEVICE_PAGES 512 |
41 | f3304eea | Alexander Graf | |
42 | 7fa41e53 | Alexander Graf | #define VIRTIO_PARAM_MASK 0xff |
43 | 7fa41e53 | Alexander Graf | #define VIRTIO_PARAM_VRING_INTERRUPT 0x0 |
44 | 7fa41e53 | Alexander Graf | #define VIRTIO_PARAM_CONFIG_CHANGED 0x1 |
45 | 7fa41e53 | Alexander Graf | #define VIRTIO_PARAM_DEV_ADD 0x2 |
46 | 7fa41e53 | Alexander Graf | |
47 | 39bffca2 | Anthony Liguori | #define TYPE_VIRTIO_S390_DEVICE "virtio-s390-device" |
48 | 39bffca2 | Anthony Liguori | #define VIRTIO_S390_DEVICE(obj) \
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49 | 39bffca2 | Anthony Liguori | OBJECT_CHECK(VirtIOS390Device, (obj), TYPE_VIRTIO_S390_DEVICE) |
50 | 39bffca2 | Anthony Liguori | #define VIRTIO_S390_DEVICE_CLASS(klass) \
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51 | 39bffca2 | Anthony Liguori | OBJECT_CLASS_CHECK(VirtIOS390DeviceClass, (klass), TYPE_VIRTIO_S390_DEVICE) |
52 | 39bffca2 | Anthony Liguori | #define VIRTIO_S390_DEVICE_GET_CLASS(obj) \
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53 | 39bffca2 | Anthony Liguori | OBJECT_GET_CLASS(VirtIOS390DeviceClass, (obj), TYPE_VIRTIO_S390_DEVICE) |
54 | 39bffca2 | Anthony Liguori | |
55 | 39bffca2 | Anthony Liguori | typedef struct VirtIOS390Device VirtIOS390Device; |
56 | 39bffca2 | Anthony Liguori | |
57 | 39bffca2 | Anthony Liguori | typedef struct VirtIOS390DeviceClass { |
58 | 39bffca2 | Anthony Liguori | DeviceClass qdev; |
59 | 39bffca2 | Anthony Liguori | int (*init)(VirtIOS390Device *dev);
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60 | 39bffca2 | Anthony Liguori | } VirtIOS390DeviceClass; |
61 | 39bffca2 | Anthony Liguori | |
62 | 39bffca2 | Anthony Liguori | struct VirtIOS390Device {
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63 | f3304eea | Alexander Graf | DeviceState qdev; |
64 | f3304eea | Alexander Graf | ram_addr_t dev_offs; |
65 | f3304eea | Alexander Graf | ram_addr_t feat_offs; |
66 | f3304eea | Alexander Graf | uint8_t feat_len; |
67 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
68 | 12c5674b | Paolo Bonzini | VirtIOBlkConf blk; |
69 | f3304eea | Alexander Graf | NICConf nic; |
70 | 8172539d | Michael S. Tsirkin | uint32_t host_features; |
71 | 6be9b414 | Alexander Graf | virtio_serial_conf serial; |
72 | f0c07c7c | Alex Williamson | virtio_net_conf net; |
73 | 973abc7f | Stefan Hajnoczi | VirtIOSCSIConf scsi; |
74 | 39bffca2 | Anthony Liguori | }; |
75 | f3304eea | Alexander Graf | |
76 | f3304eea | Alexander Graf | typedef struct VirtIOS390Bus { |
77 | f3304eea | Alexander Graf | BusState bus; |
78 | f3304eea | Alexander Graf | |
79 | f3304eea | Alexander Graf | VirtIOS390Device *console; |
80 | f3304eea | Alexander Graf | ram_addr_t dev_page; |
81 | f3304eea | Alexander Graf | ram_addr_t dev_offs; |
82 | f3304eea | Alexander Graf | ram_addr_t next_ring; |
83 | f3304eea | Alexander Graf | } VirtIOS390Bus; |
84 | f3304eea | Alexander Graf | |
85 | f3304eea | Alexander Graf | |
86 | 64b85a8f | Blue Swirl | void s390_virtio_device_update_status(VirtIOS390Device *dev);
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87 | f3304eea | Alexander Graf | |
88 | 64b85a8f | Blue Swirl | VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus); |
89 | 64b85a8f | Blue Swirl | VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size); |
90 | f3304eea | Alexander Graf | |
91 | 64b85a8f | Blue Swirl | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
92 | 64b85a8f | Blue Swirl | ram_addr_t mem, int *vq_num);
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93 | 64b85a8f | Blue Swirl | VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem); |
94 | 64b85a8f | Blue Swirl | void s390_virtio_device_sync(VirtIOS390Device *dev);
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95 | 4170aea1 | Jens Freimann | void s390_virtio_reset_idx(VirtIOS390Device *dev);
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