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b=oSKIp+FpJXbsJcx68oDcZRbtB4YhjSS4nr9aoP5Usn3nXhyC6x1MkfGoMxBjW0jzG r5zheFplSjLMjS0aFb2+SBz8Hsg2AvE9WVd+jyr+TvHtfzijyCPJKdPKQR4resuGnt vIXtFisE1iy3PiDYlxHj7q+a3e2hUD/YtJkNki/UJRNvFmE8ml1E7KwbgskWFAqIJR 6f/ekYyNhmPo3PRjd/9t5tMJYjt93o/Hoe3uSeTBotXzwkxupCrvQW26R7chZjB+8M 5hz7NI5IgZFeY00j2qQULenJEobHUSUIFahGRtmQMRlgkVXmcahLplHSDtTHHVOVgS eK2IMURUn4ZGA== From: Andreas Hindborg To: "Asahi Lina" Cc: "Miguel Ojeda" , "Alex Gaynor" , "Boqun Feng" , "Gary Guo" , =?utf-8?Q?Bj=C3=B6rn?= Roy Baron , "Benno Lossin" , "Alice Ryhl" , "Trevor Gross" , "Jann Horn" , "Matthew Wilcox" , "Paolo Bonzini" , "Danilo Krummrich" , "Wedson Almeida Filho" , "Valentin Obst" , "Andrew Morton" , , , "Abdiel Janulgue" , , , Subject: Re: [PATCH 4/6] rust: addr: Add a module to declare core address types In-Reply-To: <20250202-rust-page-v1-4-e3170d7fe55e@asahilina.net> (Asahi Lina's message of "Sun, 02 Feb 2025 22:05:46 +0900") References: <20250202-rust-page-v1-0-e3170d7fe55e@asahilina.net> <20250202-rust-page-v1-4-e3170d7fe55e@asahilina.net> User-Agent: mu4e 1.12.7; emacs 29.4 Date: Wed, 19 Feb 2025 09:51:11 +0100 Message-ID: <87zfiico74.fsf@kernel.org> MIME-Version: 1.0 Content-Type: text/plain X-Rspam-User: X-Stat-Signature: pccydeqn398737m7ahpng7gd9sirrbpx X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A6039180006 X-HE-Tag: 1739956124-521868 X-HE-Meta: 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 JtQAnEzF drjiFRO907aETg5G0a3ffOYLRrNEGd44lq9jVBGhidZ3/uqUwmEXV11+R4/ygHf5hCWng2qNjXLEVempAp3TvoItM4kFl9tllnGMeghSTlZjhI5fbP2bRoU9vXcTVLOaAchivl55/QxhxEiCsfe1iaSN6ZatexKU44wFtcUXct9CT2pjJDZuDwzs5z0KaSK7uhcwQPXt5i7Qu4GDLqv8esqYVyPewSWXKoxcGHDUC+LrpYr9sXmgA8GPNw0D8aCXXa9fgiOixcSn7bmch2r7elkzx7QdfNeS83TSk3SQ0S5747u8= X-Bogosity: Unsure, tests=bogofilter, spamicity=0.499997, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: "Asahi Lina" writes: > Encapsulates the core physical/DMA address types, so they can be used by > Rust abstractions. > > Signed-off-by: Asahi Lina > --- > rust/kernel/addr.rs | 15 +++++++++++++++ > rust/kernel/lib.rs | 1 + > 2 files changed, 16 insertions(+) > > diff --git a/rust/kernel/addr.rs b/rust/kernel/addr.rs > new file mode 100644 > index 0000000000000000000000000000000000000000..06aff10a0332355597060c5518d7fd6e114cf630 > --- /dev/null > +++ b/rust/kernel/addr.rs > @@ -0,0 +1,15 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +//! Kernel core address types. How about just "Kernel address tyeps"? What does "core" mean here? > + > +use bindings; > +use core::ffi; > + > +/// A physical memory address (which may be wider than the CPU pointer size) Missing period at end of sentence. > +pub type PhysicalAddr = bindings::phys_addr_t; > +/// A DMA memory address (which may be narrower than `PhysicalAddr` on some systems) Same. > +pub type DmaAddr = bindings::dma_addr_t; > +/// A physical resource size, typically the same width as `PhysicalAddr` Same. Best regards, Andreas Hindborg