From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f49.google.com (mail-oo1-f49.google.com [209.85.161.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B596164A8F; Fri, 9 May 2025 03:16:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746760571; cv=none; b=d25Udfux4xR8exqu+QtFOUv8RoKlgpaIkMiJaLKyiMQN8pAWDOQkLOmvpWJ0fybIkrs1F/1k9Tt6pWm1A0UtRZ+RyCKh/K3BLqGlbYWNdY/k17jpHa2rrdatso6Z0iHxZtPCCAPwgtqXpLJe4Wy0BQ86qDfa1VZiy1MTYrlWaCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746760571; c=relaxed/simple; bh=rME6fzb4OQsE0xWRpVdtPyAh60eWclIfOsYbwHQ4eI4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=N5hXlmiLvmyclWLvGkdhqT2aOYFRnew8oJQWU/98hsDukmJvzFRQnqLGrE1JgD+8LzRzVdM+lIMI5JqAmIDRHPnzLqn8ZpoYHFDsUEv1Vy4duqZOVtyoaRqaFVubSuCZgjnu9Xv9qnt9lZ7DisvI8eAUqHxGdw9iBiO2704pAZA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=brzNU2Hv; arc=none smtp.client-ip=209.85.161.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="brzNU2Hv" Received: by mail-oo1-f49.google.com with SMTP id 006d021491bc7-606668f8d51so1105174eaf.0; Thu, 08 May 2025 20:16:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1746760568; x=1747365368; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=sTOwig8lTDkxPKMgyzizdRYq4XG3E64o3g/lB7m6NZU=; b=brzNU2Hv8Vea5DBuhpgOWQA7u4zQjQ5vVTwRaS9/YOuqJmlOCFSzXyobyNHPrTURAc wbWZC6jIQZukCEZqCLfOpt45Ova9xtMsg08ODerpmtYQ5xcqSg6TRexO3vfJlXHGkb0c JOQIi9DB4Q6Ope3lxOudAnoYwlWJN/YvvUvfGqtdWJUZlWjxjxmBDbagXfq3vvaNsgLl XyE4lrBWb18VdAdyZCi6rcg+BbpS0APFqs6bHMvas0Zjn6BrQMP0+AaubLEPWX0YSF8H qD7vjpwPLueL99QHBF95MscY5rCCPTXNBBWJaRZX0EBNcbYncnMvfnaMKKdRcdzv3+X5 jsWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746760568; x=1747365368; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=sTOwig8lTDkxPKMgyzizdRYq4XG3E64o3g/lB7m6NZU=; b=JtVjsx2W6YuE22QNw16jEkbTcbw3qKI3N6C9bSK5GEOOga7Yhfg/dsK93049k002VE x7sxTwGm5QH6mSk/8EYUF7gllZeQJh2n5zFznqCXK8bv2HV/7AZi5YAzuL4zeUqR8U8G X4tMLUqLK9tzcGShat3VrGRmbBrojF90+qI5AZ3dh1KGNvpoqs7j1OSJJjYHY6TED+UY bEHmOFoqdAav9VdCejQmOa3DZRajO2nhQAKaUezjRFWN+bi1pXSt9TzWrYXe3Ks4f6mi tfIvpjgKfnnoCCr/p4QMIv12g+XufSRYhQ1fEmhTbkNWbA7jGE9Poi9OdW/36hsK6CBa sMNg== X-Forwarded-Encrypted: i=1; AJvYcCUmO2bZKS0Dg66dWBZdyEkI9yGlUDa7hlWpLPqHaRDCQ4w0f4QQdc6qkRcNVQYY5hIujRrcdNo13ocj5YkWXjg=@vger.kernel.org, AJvYcCW76x7fWaxS9Hlv3Ye3UgrbllA87Lmw1QhP2jdwBQAGco5WVTi34tDfQmHlSrvP8xGnyo+6wIGzXdzYejw=@vger.kernel.org, AJvYcCX/o6oNns/fxr6/G88KDh4H0a2v2MfdMfGNQd48ULWpVst/+nDTZcVeIx2juYXczXUL7nnioyCKsC0v@vger.kernel.org X-Gm-Message-State: AOJu0Yx808yq/Dy5Mxh5//NSf6t3PgkvwhmUu3fv0vK2dPioeV9TKsQR 5TjWXtslHPmw1Pt1DXhnTsgAN2CSwwKfoR3yrwFCTHZXA4TIxxUS X-Gm-Gg: ASbGnctNlHRgu4WWI5UdtnTZ3a7kGGeteiqXzojzT97FXDnqq+O13U0JE5BTW5Ww6Pp t6ohQI/bD5dXFCNezb8NKc8t03OwNJsNEsYHpjhq/FyGYOo5G0OWZHeGaa4c0+4HiB9PwyTVtYZ djlNj1mi3m3EBg74YOga4h97a37JaNmp7/Prx4dx9QJrQ1DIuYap2WNM0uQRED4KRNH4M59sO5I pQ1TRt63qPbrsBXb4SugA5CGpTr2ClLDaOhz7Uk8UFwJwSJmtLtDpI1598Me+0vRxqDXwO11e7F vtMx5P+4LGzJK2W/W9/wbHG4Wf7oIhYv7QMoBgQtSjTaCSelwG85nvK8J8DaDxJUNCzefu9oQf1 8Lyp510yt66Zs X-Google-Smtp-Source: AGHT+IFabaKG5IMI4f6lw/FzmXhfD/qA1aN2NZHwCsMXYiRNwWJ9KzD39S8IFVi2DsYvBD60grQSJw== X-Received: by 2002:a05:6820:208c:b0:604:99a6:4e90 with SMTP id 006d021491bc7-60868ad8738mr995531eaf.0.1746760568573; Thu, 08 May 2025 20:16:08 -0700 (PDT) Received: from my-computer.lan (c-73-76-29-249.hsd1.tx.comcast.net. [73.76.29.249]) by smtp.googlemail.com with ESMTPSA id 006d021491bc7-60842b096desm303745eaf.30.2025.05.08.20.16.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 May 2025 20:16:07 -0700 (PDT) From: Andrew Ballance To: dakr@kernel.org, airlied@gmail.com, simona@ffwll.ch, akpm@linux-foundation.org, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, gregkh@linuxfoundation.org, rafael@kernel.org, bhelgaas@google.com, kwilczynski@kernel.org, raag.jadav@intel.com, andriy.shevchenko@linux.intel.com, arnd@arndb.de, me@kloenk.dev, andrewjballance@gmail.com, fujita.tomonori@gmail.com, daniel.almeida@collabora.com Cc: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 00/11] rust: add support for Port io Date: Thu, 8 May 2025 22:15:13 -0500 Message-ID: <20250509031524.2604087-1-andrewjballance@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit currently the rust `Io` type maps to the c read{b, w, l, q}/write{b, w, l, q} functions and have no support for port io.this is a problem for pci::Bar because the pointer returned by pci_iomap is expected to accessed with the ioread/iowrite api [0]. this patch series splits the `Io` type into `Io`, `PortIo` and `MMIo`.and, updates pci::Bar, as suggested in the zulip[1], so that it is generic over Io and, a user can optionally give a compile time hint about the type of io. Link: https://docs.kernel.org/6.11/driver-api/pci/pci.html#c.pci_iomap [0] Link: https://rust-for-linux.zulipchat.com/#narrow/channel/288089-General/topic/.60IoRaw.60.20and.20.60usize.60/near/514788730 [1] Andrew Ballance (6): rust: io: add new Io type rust: io: add from_raw_cookie functions rust: pci: make Bar generic over Io samples: rust: rust_driver_pci: update to use new bar and io api gpu: nova-core: update to use the new bar and io api rust: devres: fix doctest Fiona Behrens (5): rust: helpers: io: use macro to generate io accessor functions rust: io: Replace Io with MMIo using IoAccess trait rust: io: implement Debug for IoRaw and add some doctests rust: io: add PortIo io: move PIO_OFFSET to linux/io.h drivers/gpu/nova-core/driver.rs | 4 +- drivers/gpu/nova-core/regs.rs | 1 + include/linux/io.h | 13 + lib/iomap.c | 13 - rust/helpers/io.c | 132 +++--- rust/kernel/devres.rs | 4 +- rust/kernel/io.rs | 753 +++++++++++++++++++++++++------- rust/kernel/pci.rs | 88 +++- samples/rust/rust_driver_pci.rs | 6 +- 9 files changed, 731 insertions(+), 283 deletions(-) base-commit: 92a09c47464d040866cf2b4cd052bc60555185fb -- 2.49.0