From owner-svn-src-all@freebsd.org Tue Oct 15 19:12:10 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 34D9E151ED6; Tue, 15 Oct 2019 19:12:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46t4mp0dmcz3DSr; Tue, 15 Oct 2019 19:12:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id ED5A8233AB; Tue, 15 Oct 2019 19:12:09 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x9FJC9db084442; Tue, 15 Oct 2019 19:12:09 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x9FJC9Tc084441; Tue, 15 Oct 2019 19:12:09 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201910151912.x9FJC9Tc084441@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Tue, 15 Oct 2019 19:12:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353587 - head/sys/dev/acpica X-SVN-Group: head X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: head/sys/dev/acpica X-SVN-Commit-Revision: 353587 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Oct 2019 19:12:10 -0000 Author: jhb Date: Tue Oct 15 19:12:09 2019 New Revision: 353587 URL: https://svnweb.freebsd.org/changeset/base/353587 Log: Install an ACPI PCI bus notify handler. Rescan a PCI bus when the ACPI_NOTIFY_BUS_CHECK event is posted to a PCI bus. Reviewed by: scottl MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D21948 Modified: head/sys/dev/acpica/acpi_pci.c Modified: head/sys/dev/acpica/acpi_pci.c ============================================================================== --- head/sys/dev/acpica/acpi_pci.c Tue Oct 15 19:04:39 2019 (r353586) +++ head/sys/dev/acpica/acpi_pci.c Tue Oct 15 19:12:09 2019 (r353587) @@ -331,6 +331,25 @@ acpi_pci_probe(device_t dev) } static void +acpi_pci_bus_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) +{ + device_t dev; + + dev = context; + + switch (notify) { + case ACPI_NOTIFY_BUS_CHECK: + mtx_lock(&Giant); + BUS_RESCAN(dev); + mtx_unlock(&Giant); + break; + default: + device_printf(dev, "unknown notify %#x\n", notify); + break; + } +} + +static void acpi_pci_device_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) { device_t child, dev; @@ -401,6 +420,8 @@ acpi_pci_attach(device_t dev) error = pci_attach(dev); if (error) return (error); + AcpiInstallNotifyHandler(acpi_get_handle(dev), ACPI_SYSTEM_NOTIFY, + acpi_pci_bus_notify_handler, dev); AcpiWalkNamespace(ACPI_TYPE_DEVICE, acpi_get_handle(dev), 1, acpi_pci_install_device_notify_handler, NULL, dev, NULL); @@ -429,6 +450,8 @@ acpi_pci_detach(device_t dev) AcpiWalkNamespace(ACPI_TYPE_DEVICE, acpi_get_handle(dev), 1, acpi_pci_remove_notify_handler, NULL, dev, NULL); + AcpiRemoveNotifyHandler(acpi_get_handle(dev), ACPI_SYSTEM_NOTIFY, + acpi_pci_bus_notify_handler); return (pci_detach(dev)); }