zircon/vdso/ioports.fidl

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library zx;

[Transport = "Syscall"]
protocol ioports {
    /// Rights: resource must have resource kind ZX_RSRC_KIND_IOPORT.
    ioports_request(handle:RESOURCE resource, uint16 io_addr, uint32 len) -> (status status);

    /// Rights: resource must have resource kind ZX_RSRC_KIND_IOPORT.
    ioports_release(handle:RESOURCE resource, uint16 io_addr, uint32 len) -> (status status);
};