From patchwork Tue Mar 7 07:08:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 13162939 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B002C6FD1B for ; Tue, 7 Mar 2023 07:14:57 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pZRTM-0004K4-4d; Tue, 07 Mar 2023 02:10:56 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pZRTA-0003az-JF for qemu-devel@nongnu.org; Tue, 07 Mar 2023 02:10:46 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pZRT9-0005ou-7o for qemu-devel@nongnu.org; Tue, 07 Mar 2023 02:10:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678173042; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zPCU3IGrk/NtPaDZmsxBUzOmLIj4Jt0IpqC/L8FYolY=; b=eXKlCvd2STI9zc6yLnp/ZTiAyyMbv6uKVSHqp3fexyrnwzfPtqPrnICqwGosgXMvDoLiQ1 6GoDvIErw85Seg01KYiXeNKPfaX6kp7p6HpcWtw0etWxEShPJlEXP8FR0Re7eHMHvDDL3Z ZWC0sfwyHJgA+1gGXPR5aP/kbQJkV6U= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-541-BKLuyfx1NOGwjl6UXQzjGQ-1; Tue, 07 Mar 2023 02:10:38 -0500 X-MC-Unique: BKLuyfx1NOGwjl6UXQzjGQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id F2D1E100F909; Tue, 7 Mar 2023 07:10:37 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-78.pek2.redhat.com [10.72.12.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id 92B1B400F8FA; Tue, 7 Mar 2023 07:10:34 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: Akihiko Odaki , Gal Hammer , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-D?= =?utf-8?q?aud=C3=A9?= , Jason Wang Subject: [PULL 36/51] pcie: Introduce pcie_sriov_num_vfs Date: Tue, 7 Mar 2023 15:08:01 +0800 Message-Id: <20230307070816.34833-37-jasowang@redhat.com> In-Reply-To: <20230307070816.34833-1-jasowang@redhat.com> References: <20230307070816.34833-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Akihiko Odaki igb can use this function to change its behavior depending on the number of virtual functions currently enabled. Signed-off-by: Gal Hammer Signed-off-by: Marcel Apfelbaum Signed-off-by: Akihiko Odaki Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Jason Wang --- hw/pci/pcie_sriov.c | 5 +++++ include/hw/pci/pcie_sriov.h | 3 +++ 2 files changed, 8 insertions(+) diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c index f0bd72e..aa5a757 100644 --- a/hw/pci/pcie_sriov.c +++ b/hw/pci/pcie_sriov.c @@ -300,3 +300,8 @@ PCIDevice *pcie_sriov_get_vf_at_index(PCIDevice *dev, int n) } return NULL; } + +uint16_t pcie_sriov_num_vfs(PCIDevice *dev) +{ + return dev->exp.sriov_pf.num_vfs; +} diff --git a/include/hw/pci/pcie_sriov.h b/include/hw/pci/pcie_sriov.h index 96cc743..095fb0c 100644 --- a/include/hw/pci/pcie_sriov.h +++ b/include/hw/pci/pcie_sriov.h @@ -76,4 +76,7 @@ PCIDevice *pcie_sriov_get_pf(PCIDevice *dev); */ PCIDevice *pcie_sriov_get_vf_at_index(PCIDevice *dev, int n); +/* Returns the current number of virtual functions. */ +uint16_t pcie_sriov_num_vfs(PCIDevice *dev); + #endif /* QEMU_PCIE_SRIOV_H */