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
WARNING: multiple messages have this Message-ID (diff)
From: Yifei Jiang <jiangyifei@huawei.com> To: <qemu-devel@nongnu.org>, <qemu-riscv@nongnu.org> Cc: bin.meng@windriver.com, limingwang@huawei.com, kvm@vger.kernel.org, libvir-list@redhat.com, anup.patel@wdc.com, Yifei Jiang <jiangyifei@huawei.com>, Alistair.Francis@wdc.com, kvm-riscv@lists.infradead.org, wanghaibin.wang@huawei.com, palmer@dabbelt.com, fanliang@huawei.com, wu.wubin@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
next prev parent reply other threads:[~2021-08-17 3:25 UTC|newest] Thread overview: 30+ 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 ` 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 ` 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 ` 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 ` 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 ` 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 ` 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 ` 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 ` Yifei Jiang 2021-08-17 3:24 ` [PATCH RFC v6 08/12] target/riscv: Handle KVM_EXIT_RISCV_SBI exit Yifei Jiang 2021-08-17 3:24 ` Yifei Jiang 2021-08-19 6:13 ` Alistair Francis 2021-08-19 6:13 ` Alistair Francis 2021-08-20 9:23 ` Jiangyifei 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 ` 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 ` 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 2021-08-17 3:24 ` Yifei Jiang [this message] 2021-08-17 3:24 ` [PATCH RFC v6 12/12] target/riscv: Support virtual time context synchronization Yifei Jiang
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