qemu/vhost-add-vhost_dev_suspend-resume_op.patch
Jiabo Feng 39a0a891d8 QEMU update to version 6.2.0-86(master)
- vdpa: move memory listener to the realize stage
- vdpa: implement vdpa device migration
- vhost: implement post resume bh
- vhost: implement migration state notifier for vdpa device
- vhost: implement savevm_hanlder for vdpa device
- vhost: implement vhost_vdpa_device_suspend/resume
- vhost: implement vhost-vdpa suspend/resume
- vhost: add vhost_dev_suspend/resume_op
- vhost: introduce bytemap for vhost backend logging
- vhost-vdpa: add migration log ops for VhostOps
- vhost-vdpa: add VHOST_BACKEND_F_BYTEMAPLOG
- vhost: fix null pointer access
- ui/gtk: prevent ui lock up when dpy_gl_update called again before current draw event occurs
- hw/usb: dev-mtp: Use g_mkdir()
- target/ppc/cpu-models: Remove the "default" CPU alias
- hw/intc/arm_gicv3: ICC_PMR_EL1 high bits should be RAZ
- Fixed a QEMU hang when guest poweroff in COLO mode
- migration/colo: More accurate update checkpoint time
- scripts/entitlement.sh: Use backward-compatible cp flags
- block/nvme: fix infinite loop in nvme_free_req_queue_cb()
- hw/net: npcm7xx_emc fix missing queue_flush
- Add dummy Aspeed AST2600 Display Port MCU (DPMCU)
- hw/arm: ast2600: Fix address mapping of second SPI controller
- vhost-user-blk: reconnect on any error during realize
- vhost-user-blk: propagate error return from generic vhost
- hw/riscv: boot: Reduce FDT address alignment constraints
- Revert "hw/virtio/virtio-iommu-pci: Enforce the device is plugged on the root bus"
- Fix STM32F2XX USART data register readout
- block: use 'unsigned' for in_flight field on driver state
- sphinx: change default language to 'en'
- tests/qtest: Fix two format strings
- trivial typos: namesapce
- hw/ide/atapi.c: Correct typos (CD-CDROM -> CD-ROM)
- hw/virtio/virtio-iommu-pci: Enforce the device is plugged on the root bus
- hw/display/next-fb: Fix comment typo
- xen/pass-through: merge emulated bits correctly mainline inclusion commit be9c61da9fc57eb7d293f380d0805ca6f46c2657 category: bugfix
- tests/qtest/migration-test.c: spelling fix: bandwith
- target/i386/cpu: Improve error message for property "vendor"
- balloon: Fix a misleading error message
- target/arm: Don't set syndrome ISS for loads and  stores with writeback mainline inclusion commit 53ae2fdef1f5661cbaa2ea571c517f98e6041cb8 category: bugfix
- disas/hppa: Show hexcode of instruction along with disassembly
- tcg/loongarch64: Fix tcg_out_mov() Aborted
- ui/qmp-cmds: Improve two error messages
- qga: Improve guest-exec-status error message
- hmp: Improve sync-profile error message
- spapr/pci: Correct "does not support hotplugging error messages
- xen/pass-through: don't create needless register  group mainline inclusion commit c0e86b7624cb9d6db03e0d48cf82659e5b89a6a6 category: bugfix

Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com>
2023-12-05 18:01:05 +08:00

65 lines
2.5 KiB
Diff

From 745bbf64b2a1e74366550bffbb68da1df2a9f378 Mon Sep 17 00:00:00 2001
From: fangyi <eric.fangyi@huawei.com>
Date: Mon, 4 Dec 2023 15:13:41 +0800
Subject: [PATCH] vhost: add vhost_dev_suspend/resume_op
Signed-off-by: jiangdongxu <jiangdongxu1@huawei.com>
Signed-off-by: fangyi <eric.fangyi@huawei.com>
---
include/hw/virtio/vhost-backend.h | 5 +++++
linux-headers/linux/vhost.h | 17 +++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 86154dd0b2..2ca6250567 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -135,6 +135,9 @@ typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev,
typedef void (*vhost_set_used_memslots_op)(struct vhost_dev *dev);
typedef unsigned int (*vhost_get_used_memslots_op)(void);
+typedef int (*vhost_dev_suspend_op)(struct vhost_dev *dev);
+typedef int (*vhost_dev_resume_op)(struct vhost_dev *dev);
+
typedef struct VhostOps {
VhostBackendType backend_type;
vhost_backend_init vhost_backend_init;
@@ -186,6 +189,8 @@ typedef struct VhostOps {
vhost_set_config_call_op vhost_set_config_call;
vhost_set_used_memslots_op vhost_set_used_memslots;
vhost_get_used_memslots_op vhost_get_used_memslots;
+ vhost_dev_suspend_op vhost_dev_suspend;
+ vhost_dev_resume_op vhost_dev_resume;
} VhostOps;
int vhost_backend_update_device_iotlb(struct vhost_dev *dev,
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index 65c6b49788..9b3f71b20f 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -175,4 +175,21 @@
#define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \
struct vhost_vring_state)
+/* Suspend a device so it does not process virtqueue requests anymore
+ *
+ * After the return of ioctl the device must preserve all the necessary state
+ * (the virtqueue vring base plus the possible device specific states) that is
+ * required for restoring in the future. The device must not change its
+ * configuration after that point.
+ */
+#define VHOST_VDPA_SUSPEND _IO(VHOST_VIRTIO, 0x7D)
+
+/* Resume a device so it can resume processing virtqueue requests
+ *
+ * After the return of this ioctl the device will have restored all the
+ * necessary states and it is fully operational to continue processing the
+ * virtqueue descriptors.
+ */
+#define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E)
+
#endif
--
2.27.0