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[Qemu-devel] [RFC PATCH v3 14/49] ide pci: reset status field before loa
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [RFC PATCH v3 14/49] ide pci: reset status field before loading the vmstate |
Date: |
Thu, 31 Jul 2014 16:54:46 +0400 |
User-agent: |
StGit/0.16 |
This patch resets status field before loading the state of IDE BMDMA device.
Resetting status is needed for replay, because it does not reset whole virtual
machine before loading state of the VM.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
hw/ide/pci.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index 6257a21..67cb751 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -382,6 +382,16 @@ static bool ide_bmdma_status_needed(void *opaque)
return ((bm->status & abused_bits) != 0);
}
+static int ide_bmdma_pre_load(void *opaque)
+{
+ BMDMAState *bm = opaque;
+ /* Reset is not performed in replay mode,
+ so reset status manually to allow ide_bmdma_post_load function
+ initialize it. */
+ bm->status = 0;
+ return 0;
+}
+
static void ide_bmdma_pre_save(void *opaque)
{
BMDMAState *bm = opaque;
@@ -434,6 +444,7 @@ static const VMStateDescription vmstate_bmdma = {
.name = "ide bmdma",
.version_id = 3,
.minimum_version_id = 0,
+ .pre_load = ide_bmdma_pre_load,
.pre_save = ide_bmdma_pre_save,
.fields = (VMStateField[]) {
VMSTATE_UINT8(cmd, BMDMAState),
- Re: [Qemu-devel] [RFC PATCH v3 07/49] kvmapic: fixing loading vmstate, (continued)
- [Qemu-devel] [RFC PATCH v3 08/49] hpet: fixing saving and loading process, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 09/49] pckbd: adding new fields to vmstate, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 11/49] piix: do not raise irq while loading vmstate, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 12/49] mc146818rtc: add missed field to vmstate, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 13/49] pl031: add missed field to vmstate, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 14/49] ide pci: reset status field before loading the vmstate,
Pavel Dovgalyuk <=
- [Qemu-devel] [RFC PATCH v3 15/49] softmmu: fixing usage of cpu_st/ld* from helpers, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 16/49] target-i386: update fp status fix, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 17/49] migration: add vmstate for int8 and char arrays, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 18/49] replay: global variables and function stubs, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 19/49] block: add suffix parameter to bdrv_open functions, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 20/49] sysemu: system functions for replay, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 21/49] replay: internal functions for replay log, Pavel Dovgalyuk, 2014/07/31
- [Qemu-devel] [RFC PATCH v3 22/49] cpu: invent instruction count for accurate replay, Pavel Dovgalyuk, 2014/07/31