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 AEC9337DEA5; Wed, 22 Apr 2026 16:15:07 +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=1776874507; cv=none; b=nXkmI6R4V16Pi18PJW2m45xUfk4NDLZqju5CBuYmgcdi4Zdez8aJ4JkDVLv/8UytlH2p4bhICKNICOtXr/1p2IIj0gOMQEHiKUmGVZN7NjZfYFlLKC0zjfH4qEDN8I7YRYkBLRm0GRITLllAL9P7TfuQIofP8jIT7fqtXb1su5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776874507; c=relaxed/simple; bh=6opnfEAHa7djrPNhG4kBV3H+XRWoxL2r3NmQ1bYH8qU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hqw+laGudX1B3JAzlNcadNnrPJmCzemlFj8AQyiaBRZpTNLgmhDK2J/B+JPhuXKJFDahL1YijqyC4+KOsqyL/lKRdU1tg92xk9NnimH5GzdBxulfHNU8T0IbCXpV5dSLRfUb1cvoLJJ7aaaIs3o80wVh7laxmvAG7z4fo9lRtVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MxXjwQ1a; 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="MxXjwQ1a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74C5DC2BCAF; Wed, 22 Apr 2026 16:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776874507; bh=6opnfEAHa7djrPNhG4kBV3H+XRWoxL2r3NmQ1bYH8qU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MxXjwQ1a94c3tddnlqwNuim6d4zm7AStOYz7TQU2ZXM7O57yGSCTtIUgI5HezwJNB uYS5z/o5POmmhfD8izHw+2ACWOHqu/DAkCkbODHoWVibnLYQ4EtKrSyISTaUzD0LRG TfsjQ0ou7xx+E21brRquQJ2BgtN5KrgZQ9asf6Ta/mk3fqsknHfmUKaTsVif52AOI8 1sU5O1fJ473/Ob6vVMo0GeSH3lW+yGXSVR2vEO8R1zpopdPVRqDa0VYyn2+HSOVSCl ZKtE/Bv7AshoI/ET6ZaZfR8C0v/o1SigO6fHtxbFCKNKzK529JNs5+HOoZCrxTvH6V 04M6gzcPi1haA== 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 v6 16/24] alpha/PCI: Add static PCI resource attribute macros Date: Wed, 22 Apr 2026 16:13:59 +0000 Message-ID: <20260422161407.118748-17-kwilczynski@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260422161407.118748-1-kwilczynski@kernel.org> References: <20260422161407.118748-1-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. Tested-by: Magnus Lindholm Acked-by: Magnus Lindholm 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 f2ee737c588c..3108c165b3d8 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 -- 2.54.0