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const std = @import("std");
const uefi = std.os.uefi;
const Guid = uefi.Guid;
const Status = uefi.Status;
const hii = uefi.hii;
const cc = uefi.cc;
const Error = Status.Error;
/// Database manager for HII-related data structures.
pub const HiiDatabase = extern struct {
_new_package_list: Status, // TODO
_remove_package_list: *const fn (*HiiDatabase, hii.Handle) callconv(cc) Status,
_update_package_list: *const fn (*HiiDatabase, hii.Handle, *const hii.PackageList) callconv(cc) Status,
_list_package_lists: *const fn (*const HiiDatabase, u8, ?*const Guid, *usize, [*]hii.Handle) callconv(cc) Status,
_export_package_lists: *const fn (*const HiiDatabase, ?hii.Handle, *usize, [*]hii.PackageList) callconv(cc) Status,
_register_package_notify: Status, // TODO
_unregister_package_notify: Status, // TODO
_find_keyboard_layouts: Status, // TODO
_get_keyboard_layout: Status, // TODO
_set_keyboard_layout: Status, // TODO
_get_package_list_handle: Status, // TODO
pub const RemovePackageListError = uefi.UnexpectedError || error{NotFound};
pub const UpdatePackageListError = uefi.UnexpectedError || error{
OutOfResources,
InvalidParameter,
NotFound,
};
pub const ListPackageListsError = uefi.UnexpectedError || error{
BufferTooSmall,
InvalidParameter,
NotFound,
};
pub const ExportPackageListError = uefi.UnexpectedError || error{
BufferTooSmall,
InvalidParameter,
NotFound,
};
/// Removes a package list from the HII database.
pub fn removePackageList(self: *HiiDatabase, handle: hii.Handle) !void {
switch (self._remove_package_list(self, handle)) {
.success => {},
.not_found => return Error.NotFound,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Update a package list in the HII database.
pub fn updatePackageList(
self: *HiiDatabase,
handle: hii.Handle,
buffer: *const hii.PackageList,
) UpdatePackageListError!void {
switch (self._update_package_list(self, handle, buffer)) {
.success => {},
.out_of_resources => return Error.OutOfResources,
.invalid_parameter => return Error.InvalidParameter,
.not_found => return Error.NotFound,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Determines the handles that are currently active in the database.
pub fn listPackageLists(
self: *const HiiDatabase,
package_type: u8,
package_guid: ?*const Guid,
handles: []hii.Handle,
) ListPackageListsError![]hii.Handle {
var len: usize = handles.len;
switch (self._list_package_lists(
self,
package_type,
package_guid,
&len,
handles.ptr,
)) {
.success => return handles[0..len],
.buffer_too_small => return Error.BufferTooSmall,
.invalid_parameter => return Error.InvalidParameter,
.not_found => return Error.NotFound,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Exports the contents of one or all package lists in the HII database into a buffer.
pub fn exportPackageLists(
self: *const HiiDatabase,
handle: ?hii.Handle,
buffer: []hii.PackageList,
) ExportPackageListError![]hii.PackageList {
var len = buffer.len;
switch (self._export_package_lists(self, handle, &len, buffer.ptr)) {
.success => return buffer[0..len],
.buffer_too_small => return Error.BufferTooSmall,
.invalid_parameter => return Error.InvalidParameter,
.not_found => return Error.NotFound,
else => |status| return uefi.unexpectedStatus(status),
}
}
pub const guid align(8) = Guid{
.time_low = 0xef9fc172,
.time_mid = 0xa1b2,
.time_high_and_version = 0x4693,
.clock_seq_high_and_reserved = 0xb3,
.clock_seq_low = 0x27,
.node = [_]u8{ 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42 },
};
};
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