From patchwork Fri Oct 18 13:47:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 11198483 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2A0D71599 for ; Fri, 18 Oct 2019 13:51:34 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 049F4222BD for ; Fri, 18 Oct 2019 13:51:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 049F4222BD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iLSe5-0005xg-Jk; Fri, 18 Oct 2019 13:50:21 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iLSe4-0005wa-LV for xen-devel@lists.xenproject.org; Fri, 18 Oct 2019 13:50:20 +0000 X-Inumbo-ID: 3920604c-f1ae-11e9-beca-bc764e2007e4 Received: from mx1.redhat.com (unknown [209.132.183.28]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 3920604c-f1ae-11e9-beca-bc764e2007e4; Fri, 18 Oct 2019 13:50:19 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 69BB73175295; Fri, 18 Oct 2019 13:50:19 +0000 (UTC) Received: from x1w.redhat.com (unknown [10.40.205.74]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3C4C760BF1; Fri, 18 Oct 2019 13:50:02 +0000 (UTC) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Date: Fri, 18 Oct 2019 15:47:46 +0200 Message-Id: <20191018134754.16362-13-philmd@redhat.com> In-Reply-To: <20191018134754.16362-1-philmd@redhat.com> References: <20191018134754.16362-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Fri, 18 Oct 2019 13:50:19 +0000 (UTC) Subject: [Xen-devel] [PATCH v2 12/20] hw/i386: Remove obsolete LoadStateHandler::load_state_old handlers X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Stefano Stabellini , Marcel Apfelbaum , "Michael S. Tsirkin" , Paul Durrant , Paolo Bonzini , =?utf-8?q?Herv=C3=A9_Poussineau?= , Aleksandar Markovic , Igor Mammedov , Anthony Perard , xen-devel@lists.xenproject.org, Aleksandar Rikalo , Richard Henderson , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Aurelien Jarno , Eduardo Habkost Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" These devices implemented their load_state_old() handler 10 years ago, previous to QEMU v0.12. Since commit cc425b5ddf removed the pc-0.10 and pc-0.11 machines, we can drop this code. Note: the mips_r4k machine started to use the i8254 device just after QEMU v0.5.0, but the MIPS machine types are not versioned, so there is no migration compatibility issue removing this handler. Suggested-by: Peter Maydell Reviewed-by: Aleksandar Markovic Signed-off-by: Philippe Mathieu-Daudé --- hw/acpi/piix4.c | 40 --------------------------------- hw/intc/apic_common.c | 49 ----------------------------------------- hw/pci-host/piix.c | 25 --------------------- hw/timer/i8254_common.c | 40 --------------------------------- 4 files changed, 154 deletions(-) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 2efd1605b8..93aec2dd2c 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -41,7 +41,6 @@ #include "hw/acpi/memory_hotplug.h" #include "hw/acpi/acpi_dev_interface.h" #include "hw/xen/xen.h" -#include "migration/qemu-file-types.h" #include "migration/vmstate.h" #include "hw/core/cpu.h" #include "trace.h" @@ -204,43 +203,6 @@ static const VMStateDescription vmstate_pci_status = { } }; -static int acpi_load_old(QEMUFile *f, void *opaque, int version_id) -{ - PIIX4PMState *s = opaque; - int ret, i; - uint16_t temp; - - ret = pci_device_load(PCI_DEVICE(s), f); - if (ret < 0) { - return ret; - } - qemu_get_be16s(f, &s->ar.pm1.evt.sts); - qemu_get_be16s(f, &s->ar.pm1.evt.en); - qemu_get_be16s(f, &s->ar.pm1.cnt.cnt); - - ret = vmstate_load_state(f, &vmstate_apm, &s->apm, 1); - if (ret) { - return ret; - } - - timer_get(f, s->ar.tmr.timer); - qemu_get_sbe64s(f, &s->ar.tmr.overflow_time); - - qemu_get_be16s(f, (uint16_t *)s->ar.gpe.sts); - for (i = 0; i < 3; i++) { - qemu_get_be16s(f, &temp); - } - - qemu_get_be16s(f, (uint16_t *)s->ar.gpe.en); - for (i = 0; i < 3; i++) { - qemu_get_be16s(f, &temp); - } - - ret = vmstate_load_state(f, &vmstate_pci_status, - &s->acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT], 1); - return ret; -} - static bool vmstate_test_use_acpi_pci_hotplug(void *opaque, int version_id) { PIIX4PMState *s = opaque; @@ -312,8 +274,6 @@ static const VMStateDescription vmstate_acpi = { .name = "piix4_pm", .version_id = 3, .minimum_version_id = 3, - .minimum_version_id_old = 1, - .load_state_old = acpi_load_old, .post_load = vmstate_acpi_post_load, .fields = (VMStateField[]) { VMSTATE_PCI_DEVICE(parent_obj, PIIX4PMState), diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index aafd8e0e33..375cb6abe9 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -31,7 +31,6 @@ #include "sysemu/kvm.h" #include "hw/qdev-properties.h" #include "hw/sysbus.h" -#include "migration/qemu-file-types.h" #include "migration/vmstate.h" static int apic_irq_delivered; @@ -262,52 +261,6 @@ static void apic_reset_common(DeviceState *dev) apic_init_reset(dev); } -/* This function is only used for old state version 1 and 2 */ -static int apic_load_old(QEMUFile *f, void *opaque, int version_id) -{ - APICCommonState *s = opaque; - APICCommonClass *info = APIC_COMMON_GET_CLASS(s); - int i; - - if (version_id > 2) { - return -EINVAL; - } - - /* XXX: what if the base changes? (registered memory regions) */ - qemu_get_be32s(f, &s->apicbase); - qemu_get_8s(f, &s->id); - qemu_get_8s(f, &s->arb_id); - qemu_get_8s(f, &s->tpr); - qemu_get_be32s(f, &s->spurious_vec); - qemu_get_8s(f, &s->log_dest); - qemu_get_8s(f, &s->dest_mode); - for (i = 0; i < 8; i++) { - qemu_get_be32s(f, &s->isr[i]); - qemu_get_be32s(f, &s->tmr[i]); - qemu_get_be32s(f, &s->irr[i]); - } - for (i = 0; i < APIC_LVT_NB; i++) { - qemu_get_be32s(f, &s->lvt[i]); - } - qemu_get_be32s(f, &s->esr); - qemu_get_be32s(f, &s->icr[0]); - qemu_get_be32s(f, &s->icr[1]); - qemu_get_be32s(f, &s->divide_conf); - s->count_shift = qemu_get_be32(f); - qemu_get_be32s(f, &s->initial_count); - s->initial_count_load_time = qemu_get_be64(f); - s->next_time = qemu_get_be64(f); - - if (version_id >= 2) { - s->timer_expiry = qemu_get_be64(f); - } - - if (info->post_load) { - info->post_load(s); - } - return 0; -} - static const VMStateDescription vmstate_apic_common; static void apic_common_realize(DeviceState *dev, Error **errp) @@ -408,8 +361,6 @@ static const VMStateDescription vmstate_apic_common = { .name = "apic", .version_id = 3, .minimum_version_id = 3, - .minimum_version_id_old = 1, - .load_state_old = apic_load_old, .pre_load = apic_pre_load, .pre_save = apic_dispatch_pre_save, .post_load = apic_dispatch_post_load, diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 135c645535..2f4cbcbfe9 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -33,7 +33,6 @@ #include "qapi/error.h" #include "qemu/range.h" #include "hw/xen/xen.h" -#include "migration/qemu-file-types.h" #include "migration/vmstate.h" #include "hw/pci-host/pam.h" #include "sysemu/reset.h" @@ -174,28 +173,6 @@ static void i440fx_write_config(PCIDevice *dev, } } -static int i440fx_load_old(QEMUFile* f, void *opaque, int version_id) -{ - PCII440FXState *d = opaque; - PCIDevice *pd = PCI_DEVICE(d); - int ret, i; - uint8_t smm_enabled; - - ret = pci_device_load(pd, f); - if (ret < 0) - return ret; - i440fx_update_memory_mappings(d); - qemu_get_8s(f, &smm_enabled); - - if (version_id == 2) { - for (i = 0; i < PIIX_NUM_PIRQS; i++) { - qemu_get_be32(f); /* dummy load for compatibility */ - } - } - - return 0; -} - static int i440fx_post_load(void *opaque, int version_id) { PCII440FXState *d = opaque; @@ -208,8 +185,6 @@ static const VMStateDescription vmstate_i440fx = { .name = "I440FX", .version_id = 3, .minimum_version_id = 3, - .minimum_version_id_old = 1, - .load_state_old = i440fx_load_old, .post_load = i440fx_post_load, .fields = (VMStateField[]) { VMSTATE_PCI_DEVICE(parent_obj, PCII440FXState), diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c index 57bf10cc94..050875b497 100644 --- a/hw/timer/i8254_common.c +++ b/hw/timer/i8254_common.c @@ -29,7 +29,6 @@ #include "qemu/timer.h" #include "hw/timer/i8254.h" #include "hw/timer/i8254_internal.h" -#include "migration/qemu-file-types.h" #include "migration/vmstate.h" /* val must be 0 or 1 */ @@ -202,43 +201,6 @@ static const VMStateDescription vmstate_pit_channel = { } }; -static int pit_load_old(QEMUFile *f, void *opaque, int version_id) -{ - PITCommonState *pit = opaque; - PITCommonClass *c = PIT_COMMON_GET_CLASS(pit); - PITChannelState *s; - int i; - - if (version_id != 1) { - return -EINVAL; - } - - for (i = 0; i < 3; i++) { - s = &pit->channels[i]; - s->count = qemu_get_be32(f); - qemu_get_be16s(f, &s->latched_count); - qemu_get_8s(f, &s->count_latched); - qemu_get_8s(f, &s->status_latched); - qemu_get_8s(f, &s->status); - qemu_get_8s(f, &s->read_state); - qemu_get_8s(f, &s->write_state); - qemu_get_8s(f, &s->write_latch); - qemu_get_8s(f, &s->rw_mode); - qemu_get_8s(f, &s->mode); - qemu_get_8s(f, &s->bcd); - qemu_get_8s(f, &s->gate); - s->count_load_time = qemu_get_be64(f); - s->irq_disabled = 0; - if (i == 0) { - s->next_transition_time = qemu_get_be64(f); - } - } - if (c->post_load) { - c->post_load(pit); - } - return 0; -} - static int pit_dispatch_pre_save(void *opaque) { PITCommonState *s = opaque; @@ -266,8 +228,6 @@ static const VMStateDescription vmstate_pit_common = { .name = "i8254", .version_id = 3, .minimum_version_id = 2, - .minimum_version_id_old = 1, - .load_state_old = pit_load_old, .pre_save = pit_dispatch_pre_save, .post_load = pit_dispatch_post_load, .fields = (VMStateField[]) {