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From: Yifei Jiang <jiangyifei@huawei.com>
To: <qemu-devel@nongnu.org>, <qemu-riscv@nongnu.org>
Cc: <kvm-riscv@lists.infradead.org>, <kvm@vger.kernel.org>,
	<libvir-list@redhat.com>, <anup.patel@wdc.com>,
	<palmer@dabbelt.com>, <Alistair.Francis@wdc.com>,
	<bin.meng@windriver.com>, <wu.wubin@huawei.com>,
	<fanliang@huawei.com>, <wanghaibin.wang@huawei.com>,
	<limingwang@huawei.com>, Yifei Jiang <jiangyifei@huawei.com>
Subject: [PATCH RFC v6 12/12] target/riscv: Support virtual time context synchronization
Date: Tue, 17 Aug 2021 11:24:47 +0800	[thread overview]
Message-ID: <20210817032447.2055-13-jiangyifei@huawei.com> (raw)
In-Reply-To: <20210817032447.2055-1-jiangyifei@huawei.com>

Add virtual time context description to vmstate_riscv_cpu. After cpu being
loaded, virtual time context is updated to KVM.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
---
 target/riscv/machine.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/target/riscv/machine.c b/target/riscv/machine.c
index 16a08302da..36edac86f6 100644
--- a/target/riscv/machine.c
+++ b/target/riscv/machine.c
@@ -138,10 +138,20 @@ static const VMStateDescription vmstate_hyper = {
     }
 };
 
+static int cpu_post_load(void *opaque, int version_id)
+{
+    RISCVCPU *cpu = opaque;
+    CPURISCVState *env = &cpu->env;
+
+    env->kvm_timer_dirty = true;
+    return 0;
+}
+
 const VMStateDescription vmstate_riscv_cpu = {
     .name = "cpu",
     .version_id = 2,
     .minimum_version_id = 2,
+    .post_load = cpu_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32),
         VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32),
@@ -183,6 +193,10 @@ const VMStateDescription vmstate_riscv_cpu = {
         VMSTATE_UINT64(env.mtohost, RISCVCPU),
         VMSTATE_UINT64(env.timecmp, RISCVCPU),
 
+        VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU),
+        VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU),
+        VMSTATE_UINT64(env.kvm_timer_state, RISCVCPU),
+
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription * []) {
-- 
2.19.1


      parent reply	other threads:[~2021-08-17  3:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17  3:24 [PATCH RFC v6 00/12] Add riscv kvm accel support Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 01/12] linux-header: Update linux/kvm.h Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 02/12] target/riscv: Add target/riscv/kvm.c to place the public kvm interface Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 03/12] target/riscv: Implement function kvm_arch_init_vcpu Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 04/12] target/riscv: Implement kvm_arch_get_registers Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 05/12] target/riscv: Implement kvm_arch_put_registers Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 06/12] target/riscv: Support start kernel directly by KVM Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 07/12] target/riscv: Support setting external interrupt " Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 08/12] target/riscv: Handle KVM_EXIT_RISCV_SBI exit Yifei Jiang
2021-08-19  6:13   ` Alistair Francis
2021-08-20  9:23     ` Jiangyifei
2021-08-17  3:24 ` [PATCH RFC v6 09/12] target/riscv: Add host cpu type Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 10/12] target/riscv: Add kvm_riscv_get/put_regs_timer Yifei Jiang
2021-08-17  3:24 ` [PATCH RFC v6 11/12] target/riscv: Implement virtual time adjusting with vm state changing Yifei Jiang
2021-08-17  3:24 ` Yifei Jiang [this message]

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