On Tuesday, October 15, 2019, Philippe Mathieu-Daudé <phi...@redhat.com>
wrote:
> 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 <peter.mayd...@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
> 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(-)
>
>
Reviewed-by: Aleksandar Markovic <amarko...@wavecomp.com>
> diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
> index 5742c3df87..1d29d438c7 100644
> --- a/hw/acpi/piix4.c
> +++ b/hw/acpi/piix4.c
> @@ -42,7 +42,6 @@
> #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"
> @@ -205,43 +204,6 @@ 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;
> @@ -313,8 +275,6 @@ 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[]) {
> --
> 2.21.0
>
>
>
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