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@brainfault.org>, <palmer@dabbelt.com>, <Alistair.Francis@wdc.com>, <bin.meng@windriver.com>, <fanliang@huawei.com>, <wu.wubin@huawei.com>, <wanghaibin.wang@huawei.com>, <wanbo13@huawei.com>, Yifei Jiang <jiangyifei@huawei.com>, Mingwang Li <limingwang@huawei.com>, Anup Patel <anup.patel@wdc.com>, Alistair Francis <alistair.francis@wdc.com> Subject: [PATCH v4 12/12] target/riscv: Support virtual time context synchronization Date: Mon, 10 Jan 2022 09:38:31 +0800 [thread overview] Message-ID: <20220110013831.1594-13-jiangyifei@huawei.com> (raw) In-Reply-To: <20220110013831.1594-1-jiangyifei@huawei.com> Add virtual time context description to vmstate_kvmtimer. 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> Reviewed-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> --- target/riscv/machine.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index ad8248ebfd..95eb82792a 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -164,6 +164,35 @@ static const VMStateDescription vmstate_pointermasking = { } }; +static bool kvmtimer_needed(void *opaque) +{ + return kvm_enabled(); +} + +static int cpu_post_load(void *opaque, int version_id) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + env->kvm_timer_dirty = true; + return 0; +} + +static const VMStateDescription vmstate_kvmtimer = { + .name = "cpu/kvmtimer", + .version_id = 1, + .minimum_version_id = 1, + .needed = kvmtimer_needed, + .post_load = cpu_post_load, + .fields = (VMStateField[]) { + 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() + } +}; + const VMStateDescription vmstate_riscv_cpu = { .name = "cpu", .version_id = 3, @@ -218,6 +247,7 @@ const VMStateDescription vmstate_riscv_cpu = { &vmstate_hyper, &vmstate_vector, &vmstate_pointermasking, + &vmstate_kvmtimer, NULL } }; -- 2.19.1
WARNING: multiple messages have this Message-ID (diff)
From: Yifei Jiang via <qemu-devel@nongnu.org> To: <qemu-devel@nongnu.org>, <qemu-riscv@nongnu.org> Cc: <kvm-riscv@lists.infradead.org>, <kvm@vger.kernel.org>, <libvir-list@redhat.com>, <anup@brainfault.org>, <palmer@dabbelt.com>, <Alistair.Francis@wdc.com>, <bin.meng@windriver.com>, <fanliang@huawei.com>, <wu.wubin@huawei.com>, <wanghaibin.wang@huawei.com>, <wanbo13@huawei.com>, Yifei Jiang <jiangyifei@huawei.com>, Mingwang Li <limingwang@huawei.com>, Anup Patel <anup.patel@wdc.com>, Alistair Francis <alistair.francis@wdc.com> Subject: [PATCH v4 12/12] target/riscv: Support virtual time context synchronization Date: Mon, 10 Jan 2022 09:38:31 +0800 [thread overview] Message-ID: <20220110013831.1594-13-jiangyifei@huawei.com> (raw) In-Reply-To: <20220110013831.1594-1-jiangyifei@huawei.com> Add virtual time context description to vmstate_kvmtimer. 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> Reviewed-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> --- target/riscv/machine.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index ad8248ebfd..95eb82792a 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -164,6 +164,35 @@ static const VMStateDescription vmstate_pointermasking = { } }; +static bool kvmtimer_needed(void *opaque) +{ + return kvm_enabled(); +} + +static int cpu_post_load(void *opaque, int version_id) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + env->kvm_timer_dirty = true; + return 0; +} + +static const VMStateDescription vmstate_kvmtimer = { + .name = "cpu/kvmtimer", + .version_id = 1, + .minimum_version_id = 1, + .needed = kvmtimer_needed, + .post_load = cpu_post_load, + .fields = (VMStateField[]) { + 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() + } +}; + const VMStateDescription vmstate_riscv_cpu = { .name = "cpu", .version_id = 3, @@ -218,6 +247,7 @@ const VMStateDescription vmstate_riscv_cpu = { &vmstate_hyper, &vmstate_vector, &vmstate_pointermasking, + &vmstate_kvmtimer, NULL } }; -- 2.19.1
next prev parent reply other threads:[~2022-01-10 1:39 UTC|newest] Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-10 1:38 [PATCH v4 00/12] Add riscv kvm accel support Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 01/12] update-linux-headers: Add asm-riscv/kvm.h Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 02/12] target/riscv: Add target/riscv/kvm.c to place the public kvm interface Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 23:09 ` Alistair Francis 2022-01-10 23:09 ` Alistair Francis 2022-01-12 8:04 ` Jiangyifei 2022-01-12 8:04 ` Jiangyifei via 2022-01-10 1:38 ` [PATCH v4 03/12] target/riscv: Implement function kvm_arch_init_vcpu Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 04/12] target/riscv: Implement kvm_arch_get_registers Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 05/12] target/riscv: Implement kvm_arch_put_registers Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 23:06 ` Alistair Francis 2022-01-10 23:06 ` Alistair Francis 2022-01-12 8:01 ` Jiangyifei 2022-01-12 8:01 ` Jiangyifei via 2022-01-10 1:38 ` [PATCH v4 06/12] target/riscv: Support start kernel directly by KVM Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-11 0:27 ` Alistair Francis 2022-01-11 0:27 ` Alistair Francis 2022-01-12 8:07 ` Jiangyifei 2022-01-12 8:07 ` Jiangyifei via 2022-01-10 1:38 ` [PATCH v4 07/12] target/riscv: Support setting external interrupt " Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 08/12] target/riscv: Handle KVM_EXIT_RISCV_SBI exit Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 6:48 ` Alistair Francis 2022-01-10 6:48 ` Alistair Francis 2022-01-10 1:38 ` [PATCH v4 09/12] target/riscv: Add host cpu type Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` [PATCH v4 10/12] target/riscv: Add kvm_riscv_get/put_regs_timer Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 6:52 ` Alistair Francis 2022-01-10 6:52 ` Alistair Francis 2022-01-10 1:38 ` [PATCH v4 11/12] target/riscv: Implement virtual time adjusting with vm state changing Yifei Jiang 2022-01-10 1:38 ` Yifei Jiang via 2022-01-10 1:38 ` Yifei Jiang [this message] 2022-01-10 1:38 ` [PATCH v4 12/12] target/riscv: Support virtual time context synchronization Yifei Jiang via
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