uefi_raw/status.rs
1use core::fmt::Debug;
2
3newtype_enum! {
4/// UEFI uses status codes in order to report successes, errors, and warnings.
5///
6/// The spec allows implementation-specific status codes, so the `Status`
7/// constants are not a comprehensive list of all possible values.
8#[must_use]
9pub enum Status: usize => {
10 /// The operation completed successfully.
11 SUCCESS = 0,
12
13 /// The string contained characters that could not be rendered and were skipped.
14 WARN_UNKNOWN_GLYPH = 1,
15 /// The handle was closed, but the file was not deleted.
16 WARN_DELETE_FAILURE = 2,
17 /// The handle was closed, but the data to the file was not flushed properly.
18 WARN_WRITE_FAILURE = 3,
19 /// The resulting buffer was too small, and the data was truncated.
20 WARN_BUFFER_TOO_SMALL = 4,
21 /// The data has not been updated within the timeframe set by local policy.
22 WARN_STALE_DATA = 5,
23 /// The resulting buffer contains UEFI-compliant file system.
24 WARN_FILE_SYSTEM = 6,
25 /// The operation will be processed across a system reset.
26 WARN_RESET_REQUIRED = 7,
27
28 /// The image failed to load.
29 LOAD_ERROR = Self::ERROR_BIT | 1,
30 /// A parameter was incorrect.
31 INVALID_PARAMETER = Self::ERROR_BIT | 2,
32 /// The operation is not supported.
33 UNSUPPORTED = Self::ERROR_BIT | 3,
34 /// The buffer was not the proper size for the request.
35 BAD_BUFFER_SIZE = Self::ERROR_BIT | 4,
36 /// The buffer is not large enough to hold the requested data.
37 /// The required buffer size is returned in the appropriate parameter.
38 BUFFER_TOO_SMALL = Self::ERROR_BIT | 5,
39 /// There is no data pending upon return.
40 NOT_READY = Self::ERROR_BIT | 6,
41 /// The physical device reported an error while attempting the operation.
42 DEVICE_ERROR = Self::ERROR_BIT | 7,
43 /// The device cannot be written to.
44 WRITE_PROTECTED = Self::ERROR_BIT | 8,
45 /// A resource has run out.
46 OUT_OF_RESOURCES = Self::ERROR_BIT | 9,
47 /// An inconstency was detected on the file system.
48 VOLUME_CORRUPTED = Self::ERROR_BIT | 10,
49 /// There is no more space on the file system.
50 VOLUME_FULL = Self::ERROR_BIT | 11,
51 /// The device does not contain any medium to perform the operation.
52 NO_MEDIA = Self::ERROR_BIT | 12,
53 /// The medium in the device has changed since the last access.
54 MEDIA_CHANGED = Self::ERROR_BIT | 13,
55 /// The item was not found.
56 NOT_FOUND = Self::ERROR_BIT | 14,
57 /// Access was denied.
58 ACCESS_DENIED = Self::ERROR_BIT | 15,
59 /// The server was not found or did not respond to the request.
60 NO_RESPONSE = Self::ERROR_BIT | 16,
61 /// A mapping to a device does not exist.
62 NO_MAPPING = Self::ERROR_BIT | 17,
63 /// The timeout time expired.
64 TIMEOUT = Self::ERROR_BIT | 18,
65 /// The protocol has not been started.
66 NOT_STARTED = Self::ERROR_BIT | 19,
67 /// The protocol has already been started.
68 ALREADY_STARTED = Self::ERROR_BIT | 20,
69 /// The operation was aborted.
70 ABORTED = Self::ERROR_BIT | 21,
71 /// An ICMP error occurred during the network operation.
72 ICMP_ERROR = Self::ERROR_BIT | 22,
73 /// A TFTP error occurred during the network operation.
74 TFTP_ERROR = Self::ERROR_BIT | 23,
75 /// A protocol error occurred during the network operation.
76 PROTOCOL_ERROR = Self::ERROR_BIT | 24,
77 /// The function encountered an internal version that was
78 /// incompatible with a version requested by the caller.
79 INCOMPATIBLE_VERSION = Self::ERROR_BIT | 25,
80 /// The function was not performed due to a security violation.
81 SECURITY_VIOLATION = Self::ERROR_BIT | 26,
82 /// A CRC error was detected.
83 CRC_ERROR = Self::ERROR_BIT | 27,
84 /// Beginning or end of media was reached
85 END_OF_MEDIA = Self::ERROR_BIT | 28,
86 /// The end of the file was reached.
87 END_OF_FILE = Self::ERROR_BIT | 31,
88 /// The language specified was invalid.
89 INVALID_LANGUAGE = Self::ERROR_BIT | 32,
90 /// The security status of the data is unknown or compromised and
91 /// the data must be updated or replaced to restore a valid security status.
92 COMPROMISED_DATA = Self::ERROR_BIT | 33,
93 /// There is an address conflict address allocation
94 IP_ADDRESS_CONFLICT = Self::ERROR_BIT | 34,
95 /// A HTTP error occurred during the network operation.
96 HTTP_ERROR = Self::ERROR_BIT | 35,
97}}
98
99impl Status {
100 /// Bit indicating that an UEFI status code is an error.
101 pub const ERROR_BIT: usize = 1 << (core::mem::size_of::<usize>() * 8 - 1);
102
103 /// Returns true if status code indicates success.
104 #[inline]
105 #[must_use]
106 pub fn is_success(self) -> bool {
107 self == Self::SUCCESS
108 }
109
110 /// Returns true if status code indicates a warning.
111 #[inline]
112 #[must_use]
113 pub fn is_warning(self) -> bool {
114 (self != Self::SUCCESS) && (self.0 & Self::ERROR_BIT == 0)
115 }
116
117 /// Returns true if the status code indicates an error.
118 #[inline]
119 #[must_use]
120 pub const fn is_error(self) -> bool {
121 self.0 & Self::ERROR_BIT != 0
122 }
123}
124
125impl core::fmt::Display for Status {
126 fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
127 Debug::fmt(self, f)
128 }
129}