From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD903C433EF for ; Mon, 4 Oct 2021 08:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A89C961166 for ; Mon, 4 Oct 2021 08:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229778AbhJDIpn (ORCPT ); Mon, 4 Oct 2021 04:45:43 -0400 Received: from foss.arm.com ([217.140.110.172]:49792 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229659AbhJDIpm (ORCPT ); Mon, 4 Oct 2021 04:45:42 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DD2C8101E; Mon, 4 Oct 2021 01:43:53 -0700 (PDT) Received: from lpieralisi (e121166-lin.cambridge.arm.com [10.1.196.255]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1A2A33F66F; Mon, 4 Oct 2021 01:43:52 -0700 (PDT) Date: Mon, 4 Oct 2021 09:43:50 +0100 From: Lorenzo Pieralisi To: Marek =?iso-8859-1?Q?Beh=FAn?= , Bjorn Helgaas Cc: Thomas Petazzoni , linux-pci@vger.kernel.org, pali@kernel.org Subject: Re: [PATCH 01/13] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros Message-ID: <20211004084350.GB22336@lpieralisi> References: <20211001195856.10081-1-kabel@kernel.org> <20211001195856.10081-2-kabel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20211001195856.10081-2-kabel@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Fri, Oct 01, 2021 at 09:58:44PM +0200, Marek Behún wrote: > From: Pali Rohár > > Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload > Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*. > > Signed-off-by: Pali Rohár > Reviewed-by: Marek Behún > Signed-off-by: Marek Behún > --- > include/uapi/linux/pci_regs.h | 6 ++++++ > 1 file changed, 6 insertions(+) This requires Bjorn's ACK. Thanks, Lorenzo > diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h > index e709ae8235e7..ff6ccbc6efe9 100644 > --- a/include/uapi/linux/pci_regs.h > +++ b/include/uapi/linux/pci_regs.h > @@ -504,6 +504,12 @@ > #define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */ > #define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */ > #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */ > +#define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */ > +#define PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */ > +#define PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */ > +#define PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */ > +#define PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */ > +#define PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */ > #define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */ > #define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */ > #define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */ > -- > 2.32.0 >