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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38deb34980esm1857133f8f.97.2025.02.12.05.52.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Feb 2025 05:52:15 -0800 (PST) Message-ID: <7852ec2e-bc14-420e-a4bc-0230f3141980@linaro.org> Date: Wed, 12 Feb 2025 14:52:14 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/11] bochs-rs: Add bochs block driver reimplementation in Rust To: Kevin Wolf Cc: qemu-block@nongnu.org, hreitz@redhat.com, pbonzini@redhat.com, manos.pitsidianakis@linaro.org, qemu-devel@nongnu.org, qemu-rust@nongnu.org References: <20250211214328.640374-1-kwolf@redhat.com> <20250211214328.640374-11-kwolf@redhat.com> <0e3d0835-c216-4f8c-8b97-e849ecb5ca47@linaro.org> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=philmd@linaro.org; helo=mail-wr1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-rust@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: QEMU Rust-related patches and discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Feb 2025 13:52:21 -0000 On 12/2/25 13:59, Kevin Wolf wrote: > Am 12.02.2025 um 08:45 hat Philippe Mathieu-Daudé geschrieben: >> On 11/2/25 22:43, Kevin Wolf wrote: >>> This adds a separate block driver for the bochs image format called >>> 'bochs-rs' so that for the moment both the C implementation and the Rust >>> implementation can be present in the same build. The intention is to >>> remove the C implementation eventually and rename this one into 'bochs'. >>> This can only happen once Rust can be a hard build dependency for QEMU. >>> >>> Signed-off-by: Kevin Wolf >>> --- >>> rust/block/Cargo.toml | 2 +- >>> rust/block/src/bochs.rs | 296 +++++++++++++++++++++++++++++++++++++++ >>> rust/block/src/driver.rs | 5 - >>> rust/block/src/lib.rs | 1 + >>> 4 files changed, 298 insertions(+), 6 deletions(-) >>> create mode 100644 rust/block/src/bochs.rs >> >> >>> diff --git a/rust/block/src/bochs.rs b/rust/block/src/bochs.rs >>> new file mode 100644 >>> index 0000000000..388ac5ef03 >>> --- /dev/null >>> +++ b/rust/block/src/bochs.rs >>> @@ -0,0 +1,296 @@ >>> +// SPDX-License-Identifier: MIT >>> +/* >>> + * Block driver for the various disk image formats used by Bochs >>> + * Currently only for "growing" type in read-only mode >>> + * >>> + * Copyright (c) 2005 Alex Beregszaszi >>> + * Copyright (c) 2024 Red Hat >>> + * >>> + * Authors: >>> + * Alex Beregszaszi >>> + * Kevin Wolf >>> + * >>> + * Permission is hereby granted, free of charge, to any person obtaining a copy >>> + * of this software and associated documentation files (the "Software"), to deal >>> + * in the Software without restriction, including without limitation the rights >>> + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell >>> + * copies of the Software, and to permit persons to whom the Software is >>> + * furnished to do so, subject to the following conditions: >>> + * >>> + * The above copyright notice and this permission notice shall be included in >>> + * all copies or substantial portions of the Software. >>> + * >>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR >>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, >>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL >>> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER >>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, >>> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN >>> + * THE SOFTWARE. >>> + */ >> >> As an addition, we don't have to add the full license boilerplate IMO... > > IANAL, but the license says "The above copyright notice and this > permission notice shall be included in all copies or substantial > portions of the Software.", so keeping it feels like the safe option. OK (and as Daniel clarified, you consider your work a derivative).