From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47BB930F52A; Fri, 10 Apr 2026 05:51:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775800295; cv=none; b=lhiyhgSBcO/x9xq65pakWjxWV2gMbYh8j+iqOIxkMgHFSuugtrsOuLAoaQYmo8fi5dGzTXBmUhPU4mv+NOSJ4x2v67S2kjxu+APGdktpNN9p95XvWK0sTdcT9gCeVywcimhJ0efMdkhy5JWxjl81i+2cyLomwpDZymNGPJPwfhQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775800295; c=relaxed/simple; bh=M5WivLrx5zMSeSOunSyFVbnHwqD866ZMVHSIPs7ARX4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KP4qSI6rI8rWtLG8yCmbmWDR/ApvzOmUhclUMWcd5GBbBKoKSEnh9mtoXWagHznAz4lpobErwN7fS+rq82ri//6WDnEIr1T2RoXsfHOeAwNs98RidCwh355TKLVoQA5qhDfNh338jR6+xJXo0qhGEorAZ2k0cMUQV//TkJCRMW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tBBFlP/A; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tBBFlP/A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EDD8FC2BCAF; Fri, 10 Apr 2026 05:51:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775800295; bh=M5WivLrx5zMSeSOunSyFVbnHwqD866ZMVHSIPs7ARX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tBBFlP/AIYXWrEyUV2Ue68uGFxLTG1U/qoHhkhvTFyvBn/16qyVbml2XNylfy6a0y kkalXA5pkYAkCy8zykaSRoDvyPDNoE3+QZtGGLB8GszsES/sf4O+igjAf3a+9l7bgE vivhjk+Dc+YHrsoMTnUfx7m9BzDL/I5St/f5grWP72wm7V98ZYt7b2CX5RxjvJNbvl pE8ZnUm7x+5datNMf+NXQW3DdfC6uXHX1yTi1S5/XijwYakxfrI45HHa89B993dR49 aGWzT4JaiWBQzRN1qDva0eC+TITK12ZCX12ivpiS1EEeib4n3YIpQv3ACUDCEgG/qI QyfK8OyXhEtUA== From: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= To: Bjorn Helgaas Cc: Bjorn Helgaas , Manivannan Sadhasivam , Lorenzo Pieralisi , Magnus Lindholm , Matt Turner , Richard Henderson , Christophe Leroy , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Dexuan Cui , =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= , Lukas Wunner , "Oliver O'Halloran" , Saurabh Singh Sengar , Shuan He , Srivatsa Bhat , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 14/20] alpha/PCI: Add static PCI resource attribute macros Date: Fri, 10 Apr 2026 05:50:34 +0000 Message-ID: <20260410055040.39233-15-kwilczynski@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260410055040.39233-1-kwilczynski@kernel.org> References: <20260410055040.39233-1-kwilczynski@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add macros for declaring static binary attributes for Alpha's PCI resource files: - pci_dev_resource_attr(), for dense/BWX systems (mmap dense) - pci_dev_resource_sparse_attr(), for sparse systems (mmap sparse) - pci_dev_resource_dense_attr(), for dense companion files (mmap dense) Each macro creates a const bin_attribute with the BAR index stored in the .private property and the appropriate .mmap callback. Signed-off-by: Krzysztof Wilczyński --- arch/alpha/kernel/pci-sysfs.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c index 867199b988de..0e016b597b06 100644 --- a/arch/alpha/kernel/pci-sysfs.c +++ b/arch/alpha/kernel/pci-sysfs.c @@ -104,6 +104,26 @@ static int pci_mmap_resource_dense(struct file *filp, struct kobject *kobj, return pci_mmap_resource(kobj, attr, vma, 0); } +#define __pci_dev_resource_attr(_bar, _name, _suffix, _mmap) \ +static const struct bin_attribute \ +pci_dev_resource##_bar##_suffix##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0600 }, \ + .private = (void *)(unsigned long)(_bar), \ + .mmap = (_mmap), \ +} + +#define pci_dev_resource_attr(_bar) \ + __pci_dev_resource_attr(_bar, resource##_bar,, \ + pci_mmap_resource_dense) + +#define pci_dev_resource_sparse_attr(_bar) \ + __pci_dev_resource_attr(_bar, resource##_bar##_sparse, _sparse, \ + pci_mmap_resource_sparse) + +#define pci_dev_resource_dense_attr(_bar) \ + __pci_dev_resource_attr(_bar, resource##_bar##_dense, _dense, \ + pci_mmap_resource_dense) + /** * pci_remove_resource_files - cleanup resource files * @pdev: pci_dev to cleanup -- 2.53.0