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(87-94-132-183.rev.dnainternet.fi. [87.94.132.183]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53c7bc9620bsm2082686e87.37.2024.11.05.02.47.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2024 02:47:33 -0800 (PST) From: Abdiel Janulgue To: rust-for-linux@vger.kernel.org Cc: aliceryhl@google.com, daniel.almeida@collabora.com, a.hindborg@kernel.org, dakr@redhat.com, airlied@redhat.com, miguel.ojeda.sandonis@gmail.com, wedsonaf@gmail.com, a.hindborg@samsung.com, Abdiel Janulgue Subject: [PATCH v4 0/2] Add dma coherent allocator abstraction Date: Tue, 5 Nov 2024 12:46:55 +0200 Message-ID: <20241105104726.3111058-1-abdiel.janulgue@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds support for the dma coherent allocator. Changs since v3: - Reject ZST types by checking the type size in the constructor in addition to requiring FromBytes/AsBytes traits for the type (Alice Ryhl). Changes since v2: - Fixed missing header for generating the bindings. Changes since v1: - Fix missing info in commit log where EOVERFLOW is used - Restrict the dma coherent allocator to numeric types for now for valid behaviour (Daniel Almeida). - Build slice dynamically. Abdiel Janulgue (2): rust: error: Add EOVERFLOW rust: add dma coherent allocator abstraction. rust/bindings/bindings_helper.h | 1 + rust/kernel/dma.rs | 169 ++++++++++++++++++++++++++++++++ rust/kernel/error.rs | 1 + rust/kernel/lib.rs | 1 + 4 files changed, 172 insertions(+) create mode 100644 rust/kernel/dma.rs base-commit: ae7851c29747fa3765ecb722fe722117a346f988 -- 2.43.0