From patchwork Tue Mar 9 13:35:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongdong Liu X-Patchwork-Id: 12125397 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ED26C4332B for ; Tue, 9 Mar 2021 13:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD6F8651AE for ; Tue, 9 Mar 2021 13:57:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231339AbhCIN4z (ORCPT ); Tue, 9 Mar 2021 08:56:55 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:13079 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231319AbhCIN4l (ORCPT ); Tue, 9 Mar 2021 08:56:41 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DvxXJ2xZTzNkQc; Tue, 9 Mar 2021 21:54:24 +0800 (CST) Received: from linux-ioko.site (10.78.228.23) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.498.0; Tue, 9 Mar 2021 21:56:35 +0800 From: Dongdong Liu To: , , , Subject: [PATCH V2 1/2] lspci: Decode VF 10-Bit Tag Requester Date: Tue, 9 Mar 2021 21:35:18 +0800 Message-ID: <1615296919-76476-2-git-send-email-liudongdong3@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1615296919-76476-1-git-send-email-liudongdong3@huawei.com> References: <1615296919-76476-1-git-send-email-liudongdong3@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.78.228.23] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Decode VF 10-Bit Tag Requester Supported and Enable bit in SR-IOV Capabilities Register. Sample output: IOVCap: Migration- 10BitTagReq- Interrupt Message Number: 000 IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy- 10BitTagReq- Signed-off-by: Dongdong Liu --- lib/header.h | 2 ++ ls-ecaps.c | 8 ++++---- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/lib/header.h b/lib/header.h index 170e5c1..bff49c2 100644 --- a/lib/header.h +++ b/lib/header.h @@ -1126,6 +1126,7 @@ /* Single Root I/O Virtualization */ #define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */ #define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */ +#define PCI_IOV_CAP_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */ #define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */ #define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */ #define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */ @@ -1133,6 +1134,7 @@ #define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */ #define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */ #define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */ +#define PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */ #define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */ #define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */ #define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */ diff --git a/ls-ecaps.c b/ls-ecaps.c index 99c55ff..1cea315 100644 --- a/ls-ecaps.c +++ b/ls-ecaps.c @@ -369,13 +369,13 @@ cap_sriov(struct device *d, int where) return; l = get_conf_long(d, where + PCI_IOV_CAP); - printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n", - FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l)); + printf("\t\tIOVCap:\tMigration%c 10BitTagReq%c Interrupt Message Number: %03x\n", + FLAG(l, PCI_IOV_CAP_VFM), FLAG(l, PCI_IOV_CAP_VF_10BIT_TAG_REQ), PCI_IOV_CAP_IMN(l)); w = get_conf_word(d, where + PCI_IOV_CTRL); - printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n", + printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c 10BitTagReq%c\n", FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME), FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE), - FLAG(w, PCI_IOV_CTRL_ARI)); + FLAG(w, PCI_IOV_CTRL_ARI), FLAG(w, PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN)); w = get_conf_word(d, where + PCI_IOV_STATUS); printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS)); w = get_conf_word(d, where + PCI_IOV_INITIALVF);