From patchwork Thu Oct 17 10:48:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 11195417 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C1B6F1575 for ; Thu, 17 Oct 2019 10:50:35 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA502214E0 for ; Thu, 17 Oct 2019 10:50:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA502214E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1154A6E480; Thu, 17 Oct 2019 10:50:35 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 54ED96E480; Thu, 17 Oct 2019 10:50:34 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 76A7A3083363; Thu, 17 Oct 2019 10:50:33 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-12-185.pek2.redhat.com [10.72.12.185]) by smtp.corp.redhat.com (Postfix) with ESMTP id 001F561F40; Thu, 17 Oct 2019 10:49:58 +0000 (UTC) From: Jason Wang To: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com Subject: [PATCH V4 2/6] modpost: add support for mdev class id Date: Thu, 17 Oct 2019 18:48:32 +0800 Message-Id: <20191017104836.32464-3-jasowang@redhat.com> In-Reply-To: <20191017104836.32464-1-jasowang@redhat.com> References: <20191017104836.32464-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Thu, 17 Oct 2019 10:50:33 +0000 (UTC) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: christophe.de.dinechin@gmail.com, sebott@linux.ibm.com, airlied@linux.ie, Jason Wang , heiko.carstens@de.ibm.com, kevin.tian@intel.com, virtualization@lists.linux-foundation.org, rob.miller@broadcom.com, lulu@redhat.com, eperezma@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, haotian.wang@sifive.com, zhi.a.wang@intel.com, farman@linux.ibm.com, idos@mellanox.com, gor@linux.ibm.com, cunming.liang@intel.com, rodrigo.vivi@intel.com, xiao.w.wang@intel.com, freude@linux.ibm.com, parav@mellanox.com, zhihong.wang@intel.com, stefanha@redhat.com, akrowiak@linux.ibm.com, netdev@vger.kernel.org, cohuck@redhat.com, oberpar@linux.ibm.com, maxime.coquelin@redhat.com, lingshan.zhu@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support to parse mdev class id table. Signed-off-by: Jason Wang Reviewed-by: Parav Pandit --- drivers/vfio/mdev/vfio_mdev.c | 2 ++ scripts/mod/devicetable-offsets.c | 3 +++ scripts/mod/file2alias.c | 10 ++++++++++ 3 files changed, 15 insertions(+) diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c index 7b24ee9cb8dd..cb701cd646f0 100644 --- a/drivers/vfio/mdev/vfio_mdev.c +++ b/drivers/vfio/mdev/vfio_mdev.c @@ -125,6 +125,8 @@ static const struct mdev_class_id id_table[] = { { 0 }, }; +MODULE_DEVICE_TABLE(mdev, id_table); + static struct mdev_driver vfio_mdev_driver = { .name = "vfio_mdev", .probe = vfio_mdev_probe, diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index 054405b90ba4..6cbb1062488a 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -231,5 +231,8 @@ int main(void) DEVID(wmi_device_id); DEVID_FIELD(wmi_device_id, guid_string); + DEVID(mdev_class_id); + DEVID_FIELD(mdev_class_id, id); + return 0; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index c91eba751804..d365dfe7c718 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -1335,6 +1335,15 @@ static int do_wmi_entry(const char *filename, void *symval, char *alias) return 1; } +/* looks like: "mdev:cN" */ +static int do_mdev_entry(const char *filename, void *symval, char *alias) +{ + DEF_FIELD(symval, mdev_class_id, id); + + sprintf(alias, "mdev:c%02X", id); + return 1; +} + /* Does namelen bytes of name exactly match the symbol? */ static bool sym_is(const char *name, unsigned namelen, const char *symbol) { @@ -1407,6 +1416,7 @@ static const struct devtable devtable[] = { {"typec", SIZE_typec_device_id, do_typec_entry}, {"tee", SIZE_tee_client_device_id, do_tee_entry}, {"wmi", SIZE_wmi_device_id, do_wmi_entry}, + {"mdev", SIZE_mdev_class_id, do_mdev_entry}, }; /* Create MODULE_ALIAS() statements.