// Copyright 2018 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.

#include <lib/fzl/owned-vmo-mapper.h>
#include <string.h>

#include <utility>

#include <fbl/algorithm.h>
#include <fbl/alloc_checker.h>

namespace fzl {

zx_status_t OwnedVmoMapper::CreateAndMap(uint64_t size, const char* name,
                                         zx_vm_option_t map_options,
                                         fbl::RefPtr<VmarManager> vmar_manager,
                                         uint32_t cache_policy, uint32_t vmo_options) {
  zx::vmo temp;
  zx_status_t res = VmoMapper::CreateAndMap(size, map_options, std::move(vmar_manager), &temp,
                                            ZX_RIGHT_SAME_RIGHTS, cache_policy, vmo_options);

  if (res == ZX_OK) {
    temp.set_property(ZX_PROP_NAME, name, name ? strlen(name) : 0);
    vmo_ = std::move(temp);
  }

  return res;
}

zx_status_t OwnedVmoMapper::Map(zx::vmo vmo, uint64_t size, zx_vm_option_t map_options,
                                fbl::RefPtr<VmarManager> vmar_manager) {
  zx_status_t res = VmoMapper::Map(vmo, 0, size, map_options, vmar_manager);

  if (res == ZX_OK) {
    vmo_ = std::move(vmo);
  }

  return res;
}

}  // namespace fzl