From patchwork Tue Jun 7 12:57:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 9161175 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 22EEF60571 for ; Tue, 7 Jun 2016 13:16:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1339F2656B for ; Tue, 7 Jun 2016 13:16:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07F3E281D2; Tue, 7 Jun 2016 13:16:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6BB572656B for ; Tue, 7 Jun 2016 13:16:58 +0000 (UTC) Received: from localhost ([::1]:49662 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAGsL-00077d-7R for patchwork-qemu-devel@patchwork.kernel.org; Tue, 07 Jun 2016 09:16:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54749) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAGZq-0007Gq-AO for qemu-devel@nongnu.org; Tue, 07 Jun 2016 08:57:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAGZm-000307-7i for qemu-devel@nongnu.org; Tue, 07 Jun 2016 08:57:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55962) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAGZl-0002zp-WE for qemu-devel@nongnu.org; Tue, 07 Jun 2016 08:57:46 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6101D6F665; Tue, 7 Jun 2016 12:57:45 +0000 (UTC) Received: from redhat.com (ovpn-116-19.ams2.redhat.com [10.36.116.19]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id u57CvgCF020296; Tue, 7 Jun 2016 08:57:43 -0400 Date: Tue, 7 Jun 2016 15:57:42 +0300 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <20160607155742-mutt-send-email-mst@redhat.com> References: <1465304171-10874-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1465304171-10874-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Tue, 07 Jun 2016 12:57:45 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 15/25] acpi: extend ACPI interface to provide send_event hook X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marcel Apfelbaum , Peter Maydell , Igor Mammedov Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Igor Mammedov send_event() hook will allow to send ACPI event in a target specific way (GPE or GPIO based impl.) it will also simplify proxy wrappers in piix4pm/ich9 that access ACPI regs and SCI which are part of piix4pm/lcp_ich9 devices and call acpi_foo() API directly. Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Marcel Apfelbaum --- include/hw/acpi/acpi.h | 10 ++-------- include/hw/acpi/acpi_dev_interface.h | 11 +++++++++++ hw/acpi/acpi_interface.c | 9 +++++++++ hw/acpi/core.c | 2 +- hw/acpi/piix4.c | 8 ++++++++ hw/isa/lpc_ich9.c | 8 ++++++++ 6 files changed, 39 insertions(+), 9 deletions(-) diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h index dc6ee00..c717f15 100644 --- a/include/hw/acpi/acpi.h +++ b/include/hw/acpi/acpi.h @@ -23,6 +23,7 @@ #include "qemu/option.h" #include "exec/memory.h" #include "hw/irq.h" +#include "hw/acpi/acpi_dev_interface.h" /* * current device naming scheme supports up to 256 memory devices @@ -89,13 +90,6 @@ /* PM2_CNT */ #define ACPI_BITMASK_ARB_DISABLE 0x0001 -/* These values are part of guest ABI, and can not be changed */ -typedef enum { - ACPI_PCI_HOTPLUG_STATUS = 2, - ACPI_CPU_HOTPLUG_STATUS = 4, - ACPI_MEMORY_HOTPLUG_STATUS = 8, -} AcpiGPEStatusBits; - /* structs */ typedef struct ACPIPMTimer ACPIPMTimer; typedef struct ACPIPM1EVT ACPIPM1EVT; @@ -172,7 +166,7 @@ void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val); uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr); void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq, - AcpiGPEStatusBits status); + AcpiEventStatusBits status); void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq); diff --git a/include/hw/acpi/acpi_dev_interface.h b/include/hw/acpi/acpi_dev_interface.h index f245f8d..a0c4a33 100644 --- a/include/hw/acpi/acpi_dev_interface.h +++ b/include/hw/acpi/acpi_dev_interface.h @@ -4,6 +4,13 @@ #include "qom/object.h" #include "qapi-types.h" +/* These values are part of guest ABI, and can not be changed */ +typedef enum { + ACPI_PCI_HOTPLUG_STATUS = 2, + ACPI_CPU_HOTPLUG_STATUS = 4, + ACPI_MEMORY_HOTPLUG_STATUS = 8, +} AcpiEventStatusBits; + #define TYPE_ACPI_DEVICE_IF "acpi-device-interface" #define ACPI_DEVICE_IF_CLASS(klass) \ @@ -22,11 +29,14 @@ typedef struct AcpiDeviceIf { Object Parent; } AcpiDeviceIf; +void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event); + /** * AcpiDeviceIfClass: * * ospm_status: returns status of ACPI device objects, reported * via _OST method if device supports it. + * send_event: inject a specified event into guest * * Interface is designed for providing unified interface * to generic ACPI functionality that could be used without @@ -39,5 +49,6 @@ typedef struct AcpiDeviceIfClass { /* */ void (*ospm_status)(AcpiDeviceIf *adev, ACPIOSTInfoList ***list); + void (*send_event)(AcpiDeviceIf *adev, AcpiEventStatusBits ev); } AcpiDeviceIfClass; #endif diff --git a/hw/acpi/acpi_interface.c b/hw/acpi/acpi_interface.c index d821313..6583917 100644 --- a/hw/acpi/acpi_interface.c +++ b/hw/acpi/acpi_interface.c @@ -2,6 +2,15 @@ #include "hw/acpi/acpi_dev_interface.h" #include "qemu/module.h" +void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event) +{ + AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(dev); + if (adevc->send_event) { + AcpiDeviceIf *adev = ACPI_DEVICE_IF(dev); + adevc->send_event(adev, event); + } +} + static void register_types(void) { static const TypeInfo acpi_dev_if_info = { diff --git a/hw/acpi/core.c b/hw/acpi/core.c index 1ffd155..d24b9a9 100644 --- a/hw/acpi/core.c +++ b/hw/acpi/core.c @@ -698,7 +698,7 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr) } void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq, - AcpiGPEStatusBits status) + AcpiEventStatusBits status) { ar->gpe.sts[0] |= status; acpi_update_sci(ar, irq); diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 522c9a8..5b4fcb5 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -586,6 +586,13 @@ static void piix4_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list) acpi_memory_ospm_status(&s->acpi_memory_hotplug, list); } +static void piix4_send_gpe(AcpiDeviceIf *adev, AcpiEventStatusBits ev) +{ + PIIX4PMState *s = PIIX4_PM(adev); + + acpi_send_gpe_event(&s->ar, s->irq, ev); +} + static Property piix4_pm_properties[] = { DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState, smb_io_base, 0), DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED, PIIX4PMState, disable_s3, 0), @@ -624,6 +631,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void *data) hc->unplug_request = piix4_device_unplug_request_cb; hc->unplug = piix4_device_unplug_cb; adevc->ospm_status = piix4_ospm_status; + adevc->send_event = piix4_send_gpe; } static const TypeInfo piix4_pm_info = { diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 4f8ca45..72d0781 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -703,6 +703,13 @@ static Property ich9_lpc_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void ich9_send_gpe(AcpiDeviceIf *adev, AcpiEventStatusBits ev) +{ + ICH9LPCState *s = ICH9_LPC_DEVICE(adev); + + acpi_send_gpe_event(&s->pm.acpi_regs, s->pm.irq, ev); +} + static void ich9_lpc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -730,6 +737,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data) hc->unplug_request = ich9_device_unplug_request_cb; hc->unplug = ich9_device_unplug_cb; adevc->ospm_status = ich9_pm_ospm_status; + adevc->send_event = ich9_send_gpe; } static const TypeInfo ich9_lpc_info = {