blob: 62e7abd5c8c7eb7236a791d0ce8c7a6658953514 [file] [log] [blame]
// Copyright 2020 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 msi {
/// Allocate Message-Signaled Interrupts (MSIs).
/// Rights: handle must have resource kind ZX_RSRC_KIND_ROOT.
msi_allocate(handle<resource> handle, uint32 count)
-> (status status, handle out_allocation);
/// Create an Interrupt object from a Messaged-Signaled Interrupt (MSI) allocation.
/// Rights: handle must be of type ZX_OBJ_TYPE_MSI.
/// Rights: vmo must be of type ZX_OBJ_TYPE_VMO.
/// Rights: vmo must have ZX_RIGHT_MAP.
msi_create(handle handle, uint32 options, uint32 msi_id, handle<vmo> vmo, usize vmo_offset)
-> (status status, handle out_interrupt);