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1#!/usr/bin/env bash
2# Copyright 2022 The ChromiumOS Authors
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6# Regenerate virtio_sys bindgen bindings.
7
8set -euo pipefail
9cd "$(dirname "${BASH_SOURCE[0]}")/.."
10
11source tools/impl/bindgen-common.sh
12
13bindgen_generate \
14    --allowlist-type='vhost_.*' \
15    --allowlist-var='VHOST_.*' \
16    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/vhost.h" \
17    -- \
18    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
19    | replace_linux_int_types \
20    > virtio_sys/src/vhost.rs
21
22VIRTIO_CONFIG_EXTRA="// Added by virtio_sys/bindgen.sh
23pub const VIRTIO_CONFIG_S_SUSPEND: u32 = 16;
24pub const VIRTIO_F_SUSPEND: u32 = 42;"
25
26bindgen_generate \
27    --raw-line "${VIRTIO_CONFIG_EXTRA}" \
28    --allowlist-var='VIRTIO_.*' \
29    --allowlist-type='virtio_.*' \
30    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_config.h" \
31    -- \
32    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
33    | replace_linux_int_types \
34    > virtio_sys/src/virtio_config.rs
35
36VIRTIO_FS_EXTRA="// Added by virtio_sys/bindgen.sh
37use data_model::Le32;
38use zerocopy::FromBytes;
39use zerocopy::Immutable;
40use zerocopy::IntoBytes;
41use zerocopy::KnownLayout;"
42
43bindgen_generate \
44    --raw-line "${VIRTIO_FS_EXTRA}" \
45    --allowlist-var='VIRTIO_FS_.*' \
46    --allowlist-type='virtio_fs_.*' \
47    --with-derive-custom "virtio_fs_config=FromBytes,Immutable,IntoBytes,KnownLayout" \
48    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_fs.h" \
49    -- \
50    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
51    | replace_linux_int_types \
52    | replace_linux_endian_types \
53    > virtio_sys/src/virtio_fs.rs
54
55VIRTIO_IDS_EXTRAS="
56//! This file defines virtio device IDs. IDs with large values (counting down
57//! from 63) are nonstandard and not defined by the virtio specification.
58
59// Added by virtio_sys/bindgen.sh - do not edit the generated file.
60// TODO(b/236144983): Fix this id when an official virtio-id is assigned to this device.
61pub const VIRTIO_ID_PVCLOCK: u32 = 61;
62// TODO: Remove this once the ID is included in the Linux headers.
63pub const VIRTIO_ID_MEDIA: u32 = 48;
64"
65
66bindgen_generate \
67    --raw-line "${VIRTIO_IDS_EXTRAS}" \
68    --allowlist-var='VIRTIO_ID_.*' \
69    --allowlist-type='virtio_.*' \
70    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_ids.h" \
71    -- \
72    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
73    | replace_linux_int_types \
74    | rustfmt \
75    > virtio_sys/src/virtio_ids.rs
76
77VIRTIO_NET_EXTRA="// Added by virtio_sys/bindgen.sh
78use zerocopy::FromBytes;
79use zerocopy::Immutable;
80use zerocopy::IntoBytes;
81use zerocopy::KnownLayout;"
82
83bindgen_generate \
84    --raw-line "${VIRTIO_NET_EXTRA}" \
85    --allowlist-var='VIRTIO_NET_.*' \
86    --allowlist-type='virtio_net_.*' \
87    --blocklist-type='virtio_net_ctrl_mac' \
88    --with-derive-custom "virtio_net_hdr=FromBytes,Immutable,IntoBytes,KnownLayout" \
89    --with-derive-custom "virtio_net_hdr_mrg_rxbuf=FromBytes,Immutable,IntoBytes,KnownLayout" \
90    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_net.h" \
91    -- \
92    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
93    | replace_linux_int_types \
94    > virtio_sys/src/virtio_net.rs
95
96bindgen_generate \
97    --allowlist-var='VRING_.*' \
98    --allowlist-var='VIRTIO_RING_.*' \
99    --allowlist-type='vring.*' \
100    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_ring.h" \
101    -- \
102    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
103    | replace_linux_int_types \
104    > virtio_sys/src/virtio_ring.rs
105
106bindgen_generate \
107    --allowlist-var='VIRTIO_.*' \
108    --allowlist-type='virtio_.*' \
109    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_mmio.h" \
110    -- \
111    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
112    | replace_linux_int_types \
113    > virtio_sys/src/virtio_mmio.rs
114
115VIRTIO_VSOCK_EXTRA="// Added by virtio_sys/bindgen.sh
116use data_model::Le16;
117use data_model::Le32;
118use data_model::Le64;
119use zerocopy::FromBytes;
120use zerocopy::Immutable;
121use zerocopy::IntoBytes;
122use zerocopy::KnownLayout;"
123
124bindgen_generate \
125    --raw-line "${VIRTIO_VSOCK_EXTRA}" \
126    --allowlist-var='VIRTIO_VSOCK_.*' \
127    --allowlist-type='virtio_vsock_.*' \
128    --with-derive-custom "virtio_vsock_event=FromBytes,Immutable,IntoBytes,KnownLayout" \
129    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_vsock.h" \
130    -- \
131    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
132    | replace_linux_int_types \
133    | replace_linux_endian_types \
134    > virtio_sys/src/virtio_vsock.rs
135
136VIRTIO_SCSI_EXTRA="// Added by virtio_sys/bindgen.sh
137use zerocopy::FromBytes;
138use zerocopy::Immutable;
139use zerocopy::IntoBytes;
140use zerocopy::KnownLayout;"
141
142bindgen_generate \
143    --raw-line "${VIRTIO_SCSI_EXTRA}" \
144    --allowlist-var='VIRTIO_SCSI_.*' \
145    --allowlist-type='virtio_scsi_.*' \
146    --blocklist-type='virtio_scsi_cmd_req_pi' \
147    --with-derive-custom "virtio_scsi_config=FromBytes,Immutable,IntoBytes,KnownLayout" \
148    --with-derive-custom "virtio_scsi_cmd_req=FromBytes,Immutable,IntoBytes,KnownLayout" \
149    --with-derive-custom "virtio_scsi_cmd_resp=FromBytes,Immutable,IntoBytes,KnownLayout" \
150    --with-derive-custom "virtio_scsi_ctrl_tmf_req=FromBytes,Immutable,IntoBytes,KnownLayout" \
151    --with-derive-custom "virtio_scsi_ctrl_an_req=FromBytes,Immutable,IntoBytes,KnownLayout" \
152    --with-derive-custom "virtio_scsi_ctrl_tmf_resp=FromBytes,Immutable,IntoBytes,KnownLayout" \
153    --with-derive-custom "virtio_scsi_ctrl_an_resp=FromBytes,Immutable,IntoBytes,KnownLayout" \
154    "${BINDGEN_LINUX_X86_HEADERS}/include/linux/virtio_scsi.h" \
155    -- \
156    -isystem "${BINDGEN_LINUX_X86_HEADERS}/include" \
157    | replace_linux_int_types \
158    | replace_linux_endian_types \
159    > virtio_sys/src/virtio_scsi.rs
160