| // 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. |
| |
| #include <storage/buffer/resizeable_vmo_buffer.h> |
| |
| namespace storage { |
| |
| zx::result<> ResizeableVmoBuffer::Attach(const char* name, storage::VmoidRegistry* device) { |
| ZX_DEBUG_ASSERT(!vmoid_.IsAttached()); |
| zx_status_t status = vmo_.CreateAndMap(block_size_, name); |
| if (status != ZX_OK) |
| return zx::error(status); |
| return zx::make_result(device->BlockAttachVmo(vmo_.vmo(), &vmoid_)); |
| } |
| |
| zx::result<> ResizeableVmoBuffer::Detach(storage::VmoidRegistry* device) { |
| return zx::make_result(device->BlockDetachVmo(std::move(vmoid_))); |
| } |
| |
| zx_status_t ResizeableVmoBuffer::Zero(size_t index, size_t count) { |
| return vmo_.vmo().op_range(ZX_VMO_OP_ZERO, index * BlockSize(), count * BlockSize(), nullptr, 0); |
| } |
| |
| } // namespace storage |
