From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.7 required=3.0 tests=DATE_IN_PAST_24_48, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 7AFD7C0650E for ; Sat, 6 Jul 2019 11:19:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B7BE21670 for ; Sat, 6 Jul 2019 11:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726732AbfGFLTM (ORCPT ); Sat, 6 Jul 2019 07:19:12 -0400 Received: from mga12.intel.com ([192.55.52.136]:5514 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726609AbfGFLTL (ORCPT ); Sat, 6 Jul 2019 07:19:11 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jul 2019 04:19:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,458,1557212400"; d="scan'208";a="363355006" 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 From: Liu Yi L To: qemu-devel@nongnu.org, mst@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com, peterx@redhat.com Cc: eric.auger@redhat.com, david@gibson.dropbear.id.au, tianyu.lan@intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, jun.j.tian@intel.com, yi.y.sun@intel.com, kvm@vger.kernel.org, Jacob Pan , Yi Sun Subject: [RFC v1 07/18] hw/pci: add pci_device_bind/unbind_gpasid 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> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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; } +void pci_device_bind_gpasid(PCIBus *bus, int32_t devfn, + struct gpasid_bind_data *g_bind_data) +{ + PCIDevice *dev; + + if (!bus) { + return; + } + + dev = 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 = 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 = 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" #include "hw/pci/pcie.h" +#include extern bool pci_available; @@ -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); }; 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 pasid); +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); static inline void pci_set_byte(uint8_t *config, uint8_t val) -- 2.7.4