{"id":2222347,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222347/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260411080148.471335-21-kwilczynski@kernel.org/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.1/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260411080148.471335-21-kwilczynski@kernel.org>","date":"2026-04-11T08:01:44","name":"[v4,20/24] PCI: Add macros for legacy I/O and memory address space sizes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c583bd770a5fdb09f3d23b67b1502c2292040bcc","submitter":{"id":86709,"url":"http://patchwork.ozlabs.org/api/1.1/people/86709/?format=json","name":"Krzysztof Wilczyński","email":"kwilczynski@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260411080148.471335-21-kwilczynski@kernel.org/mbox/","series":[{"id":499539,"url":"http://patchwork.ozlabs.org/api/1.1/series/499539/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=499539","date":"2026-04-11T08:01:24","name":"PCI: Convert all dynamic sysfs attributes to static","version":4,"mbox":"http://patchwork.ozlabs.org/series/499539/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222347/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222347/checks/","tags":{},"headers":{"Return-Path":"\n <linux-pci+bounces-52388-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=iX1XxyzZ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775894584; cv=none;\n b=BZF3nvwQTSWRvVqEuWsCqxnsT+OFy2JmCWG1nvY6/tvluxLvV4KxZlUTJnJGKhYTNPRlREWKKshF6reilte0DXN9+1a49dNlJyvwDDe5iSkt+tPsjeUjhHNSjZMAzIeM9ZwReCEz+OV2V5g3u50kXMq6YNo3Fob0C0Wo9NY+L50=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775894584; c=relaxed/simple;\n\tbh=NQbD4J4pW0nv3pRn8qOen291nD4aqRAslHLpEUCpmsE=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=G65yy/4dSREeXzmraW1yNWw/xhH+YMP5v6VqJvwNdHXLG5QqECJC8jjAuEBckqU5a84cKu7k0bQdRpKI26vmoCp1pUNyN8d7jXTShXcRpI0rApGxNZ1aaUVnktEi0c8Ic3KYg1tfeVnCrQR4n+qaRztqyMs/Qg6yeFkKKLO40Sw=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=iX1XxyzZ; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775894584;\n\tbh=NQbD4J4pW0nv3pRn8qOen291nD4aqRAslHLpEUCpmsE=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=iX1XxyzZtqKzCL0ahK6AWgElhHPuPuyOHWa9d/+HOFVVKtbjE+xKwnc0JGVFFLZ8h\n\t N5pvTAHpTMoIEv3ymLzCrp6eiwk0R2BHfp4FW+ZaDechXPTyPrXsxKz0wojLeRWwHz\n\t BfzUV5hPFQV91mdGJ26GqPI4l+i49qltuKoVztpsspn3O0pnEfXGMKchfD9byZxVuu\n\t IvuVZhg9ZGGLQ/UBAHs1emg57SVYqT0zD9nO3xLt0oMIlDHyH6M84s89QT0+GcMFQ0\n\t 9tL2aRe5NmkgbluWEFs/Swg9MNFhd702pNoHgCGvVbg5obXy8s4AmKhbPpxLywC5Ub\n\t YN3oxfhwowR7A==","From":"=?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kwilczynski@kernel.org>","To":"Bjorn Helgaas <bhelgaas@google.com>","Cc":"Bjorn Helgaas <helgaas@kernel.org>,\n Manivannan Sadhasivam <mani@kernel.org>,\n Lorenzo Pieralisi <lpieralisi@kernel.org>,\n Magnus Lindholm <linmag7@gmail.com>, Matt Turner <mattst88@gmail.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n Christophe Leroy <chleroy@kernel.org>,\n Madhavan Srinivasan <maddy@linux.ibm.com>,\n Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>,\n Dexuan Cui <decui@microsoft.com>,\n =?utf-8?q?Krzysztof_Ha=C5=82asa?= <khalasa@piap.pl>,\n Lukas Wunner <lukas@wunner.de>, \"Oliver O'Halloran\" <oohall@gmail.com>,\n Saurabh Singh Sengar <ssengar@microsoft.com>,\n Shuan He <heshuan@bytedance.com>, Srivatsa Bhat <srivatsabhat@microsoft.com>,\n\t=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>,\n linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org","Subject":"[PATCH v4 20/24] PCI: Add macros for legacy I/O and memory address\n space sizes","Date":"Sat, 11 Apr 2026 08:01:44 +0000","Message-ID":"<20260411080148.471335-21-kwilczynski@kernel.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260411080148.471335-1-kwilczynski@kernel.org>","References":"<20260411080148.471335-1-kwilczynski@kernel.org>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"<linux-pci.vger.kernel.org>","List-Subscribe":"<mailto:linux-pci+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-pci+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit"},"content":"Add defines for the standard PCI legacy address space sizes,\nreplacing the raw literals used by the legacy sysfs attributes.\n\nSuggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\nSigned-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>\n---\n include/linux/pci.h | 5 +++++\n 1 file changed, 5 insertions(+)","diff":"diff --git a/include/linux/pci.h b/include/linux/pci.h\nindex f6f55005f82d..6b630bac8c08 100644\n--- a/include/linux/pci.h\n+++ b/include/linux/pci.h\n@@ -27,6 +27,7 @@\n #include <linux/mod_devicetable.h>\n \n #include <linux/types.h>\n+#include <linux/sizes.h>\n #include <linux/init.h>\n #include <linux/ioport.h>\n #include <linux/list.h>\n@@ -1167,6 +1168,10 @@ enum {\n /* These external functions are only available when PCI support is enabled */\n #ifdef CONFIG_PCI\n \n+/* PCI legacy I/O port and memory address space sizes. */\n+#define PCI_LEGACY_IO_SIZE\t(SZ_64K - 1)\n+#define PCI_LEGACY_MEM_SIZE\tSZ_1M\n+\n extern unsigned int pci_flags;\n \n static inline void pci_set_flags(int flags) { pci_flags = flags; }\n","prefixes":["v4","20/24"]}