From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0DB0918FDBD; Fri, 19 Jun 2026 08:53:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781859206; cv=none; b=s5Y2A+8tonEijkk+7AuPODwOyKMylQIEaBw7gL7h7OR3+ec7V4I7L5OX1Ws6WGiKkCTrBS+C9T6MjBcqTC+vasZVbiBUei4XgjhzOnMpaq5LJww2pRIPk4sPYATIXk9yMXpm696+BgGHXwIsbXWhixiQPlFnmKLvjkS0MS72bgQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781859206; c=relaxed/simple; bh=KiaFd4PpnfmGmqkmxIwHICxty2iDv0zlEZWteQ08I0U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pK5dsfLNkIgtUvYe9OKDZ98VAj+oSMRq93jP5HZqhaYfaOl1qzwuyFp7q7o9/s1zjDN5Ont9Byc00e0RjFF/a2hK+C3sbDdoTqVh5wxL2Rci1PVi2O9uKrAG3JDC0tM9kFAeusGWVU3CnhaQN6K+ybyH8ltVe16x1z2Ua4vLIDU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VeVHvZif; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VeVHvZif" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A05721F000E9; Fri, 19 Jun 2026 08:53:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781859204; bh=dbM84zULMT6V9HfsvwMXiKi7ogKVG6V+A2YJ5SSZgLk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VeVHvZifatbxVAiajK5ST7eBAaWpvKEy7RWco2qiJbcDFt7S4CdaDZqqMw10hac9I n93h/Uhy81DArat2rMqwHo0hdeZPYgIKY+APBExhNsV8OprLTHMVcmg/AB4lbsDwhO Ii7dAxIt9z4nFsSHm4ayVcP9iIW6EUO/c0HcaF0cdGUuKGe5SDF20gj2L+5Jfxy88I luFSogWk8tOU+WqHjEawg52OKZsMBsAnxvRyawcNx3eFdxicOsHkYXBht5URd8LihD 0gjRzNGXrDN174IZm60B91dJQDctAt4aHYqX3cN5TcmRPgc7o0F7m3fLxAsdW6v6Nm sx+g+h4DZbZcg== From: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= To: Bjorn Helgaas Cc: Bjorn Helgaas , Manivannan Sadhasivam , Lorenzo Pieralisi , Alex Williamson , 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 v8 22/25] PCI/sysfs: Add legacy I/O and memory attribute macros Date: Fri, 19 Jun 2026 08:51:57 +0000 Message-ID: <20260619085200.3729431-23-kwilczynski@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260619085200.3729431-1-kwilczynski@kernel.org> References: <20260619085200.3729431-1-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 two macros for declaring static binary attributes for PCI legacy I/O port and ISA memory space files: - pci_legacy_resource_io_attr(), for legacy I/O port space (read/write) - pci_legacy_resource_mem_attr(), for legacy memory space (mmap) Each macro sets the fixed attribute size. Signed-off-by: Krzysztof Wilczyński --- drivers/pci/pci-sysfs.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index a861484ac0c0..7f1d8e07924f 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -893,6 +893,27 @@ pci_llseek_resource_legacy(struct file *filep, } #ifdef HAVE_PCI_LEGACY + +#define pci_legacy_resource_io_attr(_suffix, _size) \ +static const struct bin_attribute pci_legacy_io##_suffix##_attr = { \ + .attr = { .name = "legacy_io" __stringify(_suffix), .mode = 0600 }, \ + .size = (_size), \ + .read = pci_read_legacy_io, \ + .write = pci_write_legacy_io, \ + .f_mapping = iomem_get_mapping, \ + .llseek = pci_llseek_resource_legacy, \ + .mmap = pci_mmap_legacy_io, \ +} + +#define pci_legacy_resource_mem_attr(_suffix, _size) \ +static const struct bin_attribute pci_legacy_mem##_suffix##_attr = { \ + .attr = { .name = "legacy_mem" __stringify(_suffix), .mode = 0600 }, \ + .size = (_size), \ + .f_mapping = iomem_get_mapping, \ + .llseek = pci_llseek_resource_legacy, \ + .mmap = pci_mmap_legacy_mem, \ +} + /** * pci_read_legacy_io - read byte(s) from legacy I/O port space * @filp: open sysfs file -- 2.54.0