From nobody Mon Feb 9 04:03:21 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1562412331; cv=none; d=zoho.com; s=zohoarc; b=MhKiG3rSb2yKr/ZnNbcg5GODzBWXOlInRCqV+C0+IszTXkT2NrHUyg+keKotRSBtaDIBk9+A5QNhQ6Q1XcT8RivqpiQIOorlwuo64qwuRLrIFTK66E5vvZMcHT1x0l/UtCUss1MpAemQBKef8cr3kxPYjm2nIoLsWTn0OtUhnsw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1562412331; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=yAB0ZRcOSdOPf9qfdI7KQZGSASIJO5LXJ4jtaGX5n3g=; b=YzEQrB8Y3frzA2VmyytDIKaeETf0mhv/+ohrB7CAY7ewUYGK0HOjmPSOEti/+3K6LR1kPKRlrX922zb1GMrCK7x6cuwxD9/VwL0N8jtcDXh55wsFpzAIiygDPh5e34hYd2HebaTqsQMdUbYw2qWctrHLiREY5TUdJdrgaEaODj4= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1562412331867783.4176452092894; Sat, 6 Jul 2019 04:25:31 -0700 (PDT) Received: from localhost ([::1]:58786 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjioq-0008Qa-Re for importer@patchew.org; Sat, 06 Jul 2019 07:25:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52410) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjiin-00033E-AC for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hjiim-0005vM-6i for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:13 -0400 Received: from mga14.intel.com ([192.55.52.115]:2961) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hjiil-0005e0-NA for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:12 -0400 Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jul 2019 04:19:10 -0700 Received: from yiliu-dev.bj.intel.com ([10.238.156.139]) by fmsmga005.fm.intel.com with ESMTP; 06 Jul 2019 04:19:08 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,458,1557212400"; d="scan'208";a="363355006" From: Liu Yi L To: qemu-devel@nongnu.org, mst@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com, peterx@redhat.com Date: Fri, 5 Jul 2019 19:01:40 +0800 Message-Id: <1562324511-2910-8-git-send-email-yi.l.liu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1562324511-2910-1-git-send-email-yi.l.liu@intel.com> References: <1562324511-2910-1-git-send-email-yi.l.liu@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.115 Subject: [Qemu-devel] [RFC v1 07/18] hw/pci: add pci_device_bind/unbind_gpasid X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tianyu.lan@intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, Yi Sun , kvm@vger.kernel.org, jun.j.tian@intel.com, eric.auger@redhat.com, yi.y.sun@intel.com, Jacob Pan , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch adds two callbacks pci_device_bind/unbind_gpasid() to PCIPASIDOps. These two callbacks are used to propagate guest pasid bind/unbind to host. The implementations of the callbacks would be device passthru modules like vfio. Cc: Kevin Tian Cc: Jacob Pan Cc: Peter Xu Cc: Eric Auger Cc: Yi Sun Cc: David Gibson Signed-off-by: Liu Yi L --- hw/pci/pci.c | 30 ++++++++++++++++++++++++++++++ include/hw/pci/pci.h | 9 +++++++++ 2 files changed, 39 insertions(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 710f9e9..2229229 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2676,6 +2676,36 @@ int pci_device_request_pasid_free(PCIBus *bus, int32= _t devfn, return -1; } =20 +void pci_device_bind_gpasid(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data) +{ + PCIDevice *dev; + + if (!bus) { + return; + } + + dev =3D bus->devices[devfn]; + if (dev && dev->pasid_ops) { + dev->pasid_ops->bind_gpasid(bus, devfn, g_bind_data); + } +} + +void pci_device_unbind_gpasid(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data) +{ + PCIDevice *dev; + + if (!bus) { + return; + } + + dev =3D bus->devices[devfn]; + if (dev && dev->pasid_ops) { + dev->pasid_ops->unbind_gpasid(bus, devfn, g_bind_data); + } +} + static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque) { Range *range =3D opaque; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 16e5b8e..8d849e6 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -9,6 +9,7 @@ #include "hw/isa/isa.h" =20 #include "hw/pci/pcie.h" +#include =20 extern bool pci_available; =20 @@ -267,6 +268,10 @@ struct PCIPASIDOps { int (*alloc_pasid)(PCIBus *bus, int32_t devfn, uint32_t min_pasid, uint32_t max_pasid); int (*free_pasid)(PCIBus *bus, int32_t devfn, uint32_t pasid); + void (*bind_gpasid)(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data); + void (*unbind_gpasid)(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data); }; =20 struct PCIDevice { @@ -497,6 +502,10 @@ bool pci_device_is_ops_set(PCIBus *bus, int32_t devfn); int pci_device_request_pasid_alloc(PCIBus *bus, int32_t devfn, uint32_t min_pasid, uint32_t max_pasid); int pci_device_request_pasid_free(PCIBus *bus, int32_t devfn, uint32_t pas= id); +void pci_device_bind_gpasid(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data); +void pci_device_unbind_gpasid(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data); =20 static inline void pci_set_byte(uint8_t *config, uint8_t val) --=20 2.7.4