diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/ioctl_linux.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/ioctl_linux.go | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/vendor/golang.org/x/sys/unix/ioctl_linux.go b/vendor/golang.org/x/sys/unix/ioctl_linux.go deleted file mode 100644 index dbe680e..0000000 --- a/vendor/golang.org/x/sys/unix/ioctl_linux.go +++ /dev/null | |||
@@ -1,238 +0,0 @@ | |||
1 | // Copyright 2021 The Go Authors. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | package unix | ||
6 | |||
7 | import "unsafe" | ||
8 | |||
9 | // IoctlRetInt performs an ioctl operation specified by req on a device | ||
10 | // associated with opened file descriptor fd, and returns a non-negative | ||
11 | // integer that is returned by the ioctl syscall. | ||
12 | func IoctlRetInt(fd int, req uint) (int, error) { | ||
13 | ret, _, err := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), 0) | ||
14 | if err != 0 { | ||
15 | return 0, err | ||
16 | } | ||
17 | return int(ret), nil | ||
18 | } | ||
19 | |||
20 | func IoctlGetUint32(fd int, req uint) (uint32, error) { | ||
21 | var value uint32 | ||
22 | err := ioctlPtr(fd, req, unsafe.Pointer(&value)) | ||
23 | return value, err | ||
24 | } | ||
25 | |||
26 | func IoctlGetRTCTime(fd int) (*RTCTime, error) { | ||
27 | var value RTCTime | ||
28 | err := ioctlPtr(fd, RTC_RD_TIME, unsafe.Pointer(&value)) | ||
29 | return &value, err | ||
30 | } | ||
31 | |||
32 | func IoctlSetRTCTime(fd int, value *RTCTime) error { | ||
33 | return ioctlPtr(fd, RTC_SET_TIME, unsafe.Pointer(value)) | ||
34 | } | ||
35 | |||
36 | func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) { | ||
37 | var value RTCWkAlrm | ||
38 | err := ioctlPtr(fd, RTC_WKALM_RD, unsafe.Pointer(&value)) | ||
39 | return &value, err | ||
40 | } | ||
41 | |||
42 | func IoctlSetRTCWkAlrm(fd int, value *RTCWkAlrm) error { | ||
43 | return ioctlPtr(fd, RTC_WKALM_SET, unsafe.Pointer(value)) | ||
44 | } | ||
45 | |||
46 | // IoctlGetEthtoolDrvinfo fetches ethtool driver information for the network | ||
47 | // device specified by ifname. | ||
48 | func IoctlGetEthtoolDrvinfo(fd int, ifname string) (*EthtoolDrvinfo, error) { | ||
49 | ifr, err := NewIfreq(ifname) | ||
50 | if err != nil { | ||
51 | return nil, err | ||
52 | } | ||
53 | |||
54 | value := EthtoolDrvinfo{Cmd: ETHTOOL_GDRVINFO} | ||
55 | ifrd := ifr.withData(unsafe.Pointer(&value)) | ||
56 | |||
57 | err = ioctlIfreqData(fd, SIOCETHTOOL, &ifrd) | ||
58 | return &value, err | ||
59 | } | ||
60 | |||
61 | // IoctlGetWatchdogInfo fetches information about a watchdog device from the | ||
62 | // Linux watchdog API. For more information, see: | ||
63 | // https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html. | ||
64 | func IoctlGetWatchdogInfo(fd int) (*WatchdogInfo, error) { | ||
65 | var value WatchdogInfo | ||
66 | err := ioctlPtr(fd, WDIOC_GETSUPPORT, unsafe.Pointer(&value)) | ||
67 | return &value, err | ||
68 | } | ||
69 | |||
70 | // IoctlWatchdogKeepalive issues a keepalive ioctl to a watchdog device. For | ||
71 | // more information, see: | ||
72 | // https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html. | ||
73 | func IoctlWatchdogKeepalive(fd int) error { | ||
74 | // arg is ignored and not a pointer, so ioctl is fine instead of ioctlPtr. | ||
75 | return ioctl(fd, WDIOC_KEEPALIVE, 0) | ||
76 | } | ||
77 | |||
78 | // IoctlFileCloneRange performs an FICLONERANGE ioctl operation to clone the | ||
79 | // range of data conveyed in value to the file associated with the file | ||
80 | // descriptor destFd. See the ioctl_ficlonerange(2) man page for details. | ||
81 | func IoctlFileCloneRange(destFd int, value *FileCloneRange) error { | ||
82 | return ioctlPtr(destFd, FICLONERANGE, unsafe.Pointer(value)) | ||
83 | } | ||
84 | |||
85 | // IoctlFileClone performs an FICLONE ioctl operation to clone the entire file | ||
86 | // associated with the file description srcFd to the file associated with the | ||
87 | // file descriptor destFd. See the ioctl_ficlone(2) man page for details. | ||
88 | func IoctlFileClone(destFd, srcFd int) error { | ||
89 | return ioctl(destFd, FICLONE, uintptr(srcFd)) | ||
90 | } | ||
91 | |||
92 | type FileDedupeRange struct { | ||
93 | Src_offset uint64 | ||
94 | Src_length uint64 | ||
95 | Reserved1 uint16 | ||
96 | Reserved2 uint32 | ||
97 | Info []FileDedupeRangeInfo | ||
98 | } | ||
99 | |||
100 | type FileDedupeRangeInfo struct { | ||
101 | Dest_fd int64 | ||
102 | Dest_offset uint64 | ||
103 | Bytes_deduped uint64 | ||
104 | Status int32 | ||
105 | Reserved uint32 | ||
106 | } | ||
107 | |||
108 | // IoctlFileDedupeRange performs an FIDEDUPERANGE ioctl operation to share the | ||
109 | // range of data conveyed in value from the file associated with the file | ||
110 | // descriptor srcFd to the value.Info destinations. See the | ||
111 | // ioctl_fideduperange(2) man page for details. | ||
112 | func IoctlFileDedupeRange(srcFd int, value *FileDedupeRange) error { | ||
113 | buf := make([]byte, SizeofRawFileDedupeRange+ | ||
114 | len(value.Info)*SizeofRawFileDedupeRangeInfo) | ||
115 | rawrange := (*RawFileDedupeRange)(unsafe.Pointer(&buf[0])) | ||
116 | rawrange.Src_offset = value.Src_offset | ||
117 | rawrange.Src_length = value.Src_length | ||
118 | rawrange.Dest_count = uint16(len(value.Info)) | ||
119 | rawrange.Reserved1 = value.Reserved1 | ||
120 | rawrange.Reserved2 = value.Reserved2 | ||
121 | |||
122 | for i := range value.Info { | ||
123 | rawinfo := (*RawFileDedupeRangeInfo)(unsafe.Pointer( | ||
124 | uintptr(unsafe.Pointer(&buf[0])) + uintptr(SizeofRawFileDedupeRange) + | ||
125 | uintptr(i*SizeofRawFileDedupeRangeInfo))) | ||
126 | rawinfo.Dest_fd = value.Info[i].Dest_fd | ||
127 | rawinfo.Dest_offset = value.Info[i].Dest_offset | ||
128 | rawinfo.Bytes_deduped = value.Info[i].Bytes_deduped | ||
129 | rawinfo.Status = value.Info[i].Status | ||
130 | rawinfo.Reserved = value.Info[i].Reserved | ||
131 | } | ||
132 | |||
133 | err := ioctlPtr(srcFd, FIDEDUPERANGE, unsafe.Pointer(&buf[0])) | ||
134 | |||
135 | // Output | ||
136 | for i := range value.Info { | ||
137 | rawinfo := (*RawFileDedupeRangeInfo)(unsafe.Pointer( | ||
138 | uintptr(unsafe.Pointer(&buf[0])) + uintptr(SizeofRawFileDedupeRange) + | ||
139 | uintptr(i*SizeofRawFileDedupeRangeInfo))) | ||
140 | value.Info[i].Dest_fd = rawinfo.Dest_fd | ||
141 | value.Info[i].Dest_offset = rawinfo.Dest_offset | ||
142 | value.Info[i].Bytes_deduped = rawinfo.Bytes_deduped | ||
143 | value.Info[i].Status = rawinfo.Status | ||
144 | value.Info[i].Reserved = rawinfo.Reserved | ||
145 | } | ||
146 | |||
147 | return err | ||
148 | } | ||
149 | |||
150 | func IoctlHIDGetDesc(fd int, value *HIDRawReportDescriptor) error { | ||
151 | return ioctlPtr(fd, HIDIOCGRDESC, unsafe.Pointer(value)) | ||
152 | } | ||
153 | |||
154 | func IoctlHIDGetRawInfo(fd int) (*HIDRawDevInfo, error) { | ||
155 | var value HIDRawDevInfo | ||
156 | err := ioctlPtr(fd, HIDIOCGRAWINFO, unsafe.Pointer(&value)) | ||
157 | return &value, err | ||
158 | } | ||
159 | |||
160 | func IoctlHIDGetRawName(fd int) (string, error) { | ||
161 | var value [_HIDIOCGRAWNAME_LEN]byte | ||
162 | err := ioctlPtr(fd, _HIDIOCGRAWNAME, unsafe.Pointer(&value[0])) | ||
163 | return ByteSliceToString(value[:]), err | ||
164 | } | ||
165 | |||
166 | func IoctlHIDGetRawPhys(fd int) (string, error) { | ||
167 | var value [_HIDIOCGRAWPHYS_LEN]byte | ||
168 | err := ioctlPtr(fd, _HIDIOCGRAWPHYS, unsafe.Pointer(&value[0])) | ||
169 | return ByteSliceToString(value[:]), err | ||
170 | } | ||
171 | |||
172 | func IoctlHIDGetRawUniq(fd int) (string, error) { | ||
173 | var value [_HIDIOCGRAWUNIQ_LEN]byte | ||
174 | err := ioctlPtr(fd, _HIDIOCGRAWUNIQ, unsafe.Pointer(&value[0])) | ||
175 | return ByteSliceToString(value[:]), err | ||
176 | } | ||
177 | |||
178 | // IoctlIfreq performs an ioctl using an Ifreq structure for input and/or | ||
179 | // output. See the netdevice(7) man page for details. | ||
180 | func IoctlIfreq(fd int, req uint, value *Ifreq) error { | ||
181 | // It is possible we will add more fields to *Ifreq itself later to prevent | ||
182 | // misuse, so pass the raw *ifreq directly. | ||
183 | return ioctlPtr(fd, req, unsafe.Pointer(&value.raw)) | ||
184 | } | ||
185 | |||
186 | // TODO(mdlayher): export if and when IfreqData is exported. | ||
187 | |||
188 | // ioctlIfreqData performs an ioctl using an ifreqData structure for input | ||
189 | // and/or output. See the netdevice(7) man page for details. | ||
190 | func ioctlIfreqData(fd int, req uint, value *ifreqData) error { | ||
191 | // The memory layout of IfreqData (type-safe) and ifreq (not type-safe) are | ||
192 | // identical so pass *IfreqData directly. | ||
193 | return ioctlPtr(fd, req, unsafe.Pointer(value)) | ||
194 | } | ||
195 | |||
196 | // IoctlKCMClone attaches a new file descriptor to a multiplexor by cloning an | ||
197 | // existing KCM socket, returning a structure containing the file descriptor of | ||
198 | // the new socket. | ||
199 | func IoctlKCMClone(fd int) (*KCMClone, error) { | ||
200 | var info KCMClone | ||
201 | if err := ioctlPtr(fd, SIOCKCMCLONE, unsafe.Pointer(&info)); err != nil { | ||
202 | return nil, err | ||
203 | } | ||
204 | |||
205 | return &info, nil | ||
206 | } | ||
207 | |||
208 | // IoctlKCMAttach attaches a TCP socket and associated BPF program file | ||
209 | // descriptor to a multiplexor. | ||
210 | func IoctlKCMAttach(fd int, info KCMAttach) error { | ||
211 | return ioctlPtr(fd, SIOCKCMATTACH, unsafe.Pointer(&info)) | ||
212 | } | ||
213 | |||
214 | // IoctlKCMUnattach unattaches a TCP socket file descriptor from a multiplexor. | ||
215 | func IoctlKCMUnattach(fd int, info KCMUnattach) error { | ||
216 | return ioctlPtr(fd, SIOCKCMUNATTACH, unsafe.Pointer(&info)) | ||
217 | } | ||
218 | |||
219 | // IoctlLoopGetStatus64 gets the status of the loop device associated with the | ||
220 | // file descriptor fd using the LOOP_GET_STATUS64 operation. | ||
221 | func IoctlLoopGetStatus64(fd int) (*LoopInfo64, error) { | ||
222 | var value LoopInfo64 | ||
223 | if err := ioctlPtr(fd, LOOP_GET_STATUS64, unsafe.Pointer(&value)); err != nil { | ||
224 | return nil, err | ||
225 | } | ||
226 | return &value, nil | ||
227 | } | ||
228 | |||
229 | // IoctlLoopSetStatus64 sets the status of the loop device associated with the | ||
230 | // file descriptor fd using the LOOP_SET_STATUS64 operation. | ||
231 | func IoctlLoopSetStatus64(fd int, value *LoopInfo64) error { | ||
232 | return ioctlPtr(fd, LOOP_SET_STATUS64, unsafe.Pointer(value)) | ||
233 | } | ||
234 | |||
235 | // IoctlLoopConfigure configures all loop device parameters in a single step | ||
236 | func IoctlLoopConfigure(fd int, value *LoopConfig) error { | ||
237 | return ioctlPtr(fd, LOOP_CONFIGURE, unsafe.Pointer(value)) | ||
238 | } | ||