From patchwork Mon Apr 12 12:46:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 1465237 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ga10UkXR; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FJpQS2kscz9sXL for ; Mon, 12 Apr 2021 22:46:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241370AbhDLMq4 (ORCPT ); Mon, 12 Apr 2021 08:46:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:59884 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241374AbhDLMqu (ORCPT ); Mon, 12 Apr 2021 08:46:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DE58161246; Mon, 12 Apr 2021 12:46:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618231593; bh=FAJNnlUYEhHXgw/A1PLCHY++bTMhHaSsvsaga1wXF+c=; h=From:To:Cc:Subject:Date:From; b=ga10UkXRIRS5/5IQXR9qdOOPZX4QcC/lWGJjEbXlwRIlvN28uD2U+SE6mMTQIYJXF GpCIDValtsCAj4MtdHisfIEjEbbFI++k488myHaLF5jBGavoINAdIMZXuWb7hfKDOx hRujtH73+HKm5oEbJUZnsRJPYwJCXf8VVl6UonJvPdadApNoa0NxHvARWeZkhMiktk o594bqJd70b9lx4z6a2VWn0iL4lR0n9tKlIRd2lGT0RF5mzLzGkyrhbsSnXoZkzMhJ o3zACCQQ4Gnn0l8KwO9LlKHCvPXZgkmUzkD4poOlHW0anns6pFOypA+O2lgntP5yfz /7oLbXd6B1LsQ== Received: by pali.im (Postfix) id CE3D6687; Mon, 12 Apr 2021 14:46:30 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros Date: Mon, 12 Apr 2021 14:46:02 +0200 Message-Id: <20210412124602.25762-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Define new PCI_EXP_DEVCTL_PAYLOAD_* macros in linux/pci_regs.h header file for Max Payload Size. Macros are defined in the same style as existing macros PCI_EXP_DEVCTL_READRQ_* macros. Signed-off-by: Pali Rohár --- include/uapi/linux/pci_regs.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index e709ae8235e7..8f1b15eea53e 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 */