From patchwork Fri Jan 21 14:22:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 1582594 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.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=GkAZx8DD; dkim-atps=neutral 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=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4JgM7f6NSVz9t3b for ; Sat, 22 Jan 2022 01:23:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235440AbiAUOX4 (ORCPT ); Fri, 21 Jan 2022 09:23:56 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:58862 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232297AbiAUOX4 (ORCPT ); Fri, 21 Jan 2022 09:23:56 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E454B6160D for ; Fri, 21 Jan 2022 14:23:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BA68C340E3; Fri, 21 Jan 2022 14:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642775035; bh=Klw5dhSRcs51iQIRsovc8n92re/IQSrM3/hD0WnxPeM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GkAZx8DDrOjCjZNZPxP1oBL5H2Z2F2uj0+l90RTomQYmoE9s/6m5+nF8yw53UkS32 YnoPpT6Ki6OeZlV3fgpYqNzcYIDPLjhNOBK0OJeRKVecEJJHcu+k4804QbS6oFIH4z GUivGG15EvgPTEmEzgeWZTHZeARuUaJKHi2FqrriKaiX89+gYHpLOb9FdnQ3jrG9Or LnaOvXdRPq4aGbGnUxaRW92lN3oQnw3TyYGDd1xAQcnS3USvDcT+9OPzGq1kAVt70p LHE2kzOJgO25UEqxOUXN5iZFioirvisy1xr6QJkPir3y+AThu3feMreVyJFRxdLo1C xMVh94cHnVrSg== Received: by pali.im (Postfix) id 1AEACB8A; Fri, 21 Jan 2022 15:23:53 +0100 (CET) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Martin Mares , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Matthew Wilcox , linux-pci@vger.kernel.org Subject: [PATCH pciutils 1/4] libpci: Add new option PCI_FILL_PARENT Date: Fri, 21 Jan 2022 15:22:55 +0100 Message-Id: <20220121142258.28170-2-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220121142258.28170-1-pali@kernel.org> References: <20220121142258.28170-1-pali@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This change extends libpci and allows providers to fill parent pci_dev. This is useful to retrieve topology as it is reported by the system itself. --- lib/pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/pci.h b/lib/pci.h index c13387e2b4b1..de031f7a416b 100644 --- a/lib/pci.h +++ b/lib/pci.h @@ -148,6 +148,7 @@ struct pci_dev { u8 prog_if; /* Programming interface for device_class */ u8 rev_id; /* Revision id */ u16 subsys_vendor_id, subsys_id; /* Subsystem vendor id and subsystem id */ + struct pci_dev *parent; /* Parent device */ /* Fields used internally */ struct pci_access *access; @@ -217,6 +218,7 @@ char *pci_get_string_property(struct pci_dev *d, u32 prop) PCI_ABI; #define PCI_FILL_REVID 0x00040000 #define PCI_FILL_SUBSYS 0x00080000 #define PCI_FILL_DRIVER 0x00100000 +#define PCI_FILL_PARENT 0x00200000 void pci_setup_cache(struct pci_dev *, u8 *cache, int len) PCI_ABI;