diff mbox series

[v7,5/6] target/i386: Add CET state support for guest migration

Message ID 20210226022058.24562-6-weijiang.yang@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable CET support for guest | expand

Commit Message

Yang, Weijiang Feb. 26, 2021, 2:20 a.m. UTC 
Save the MSRs being used on source machine and restore them
on destination machine.

Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
---
 target/i386/machine.c | 161 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/machine.c b/target/i386/machine.c
index 233e46bb70..c76a7caeec 100644
--- a/target/i386/machine.c
+++ b/target/i386/machine.c
@@ -980,6 +980,159 @@  static const VMStateDescription vmstate_umwait = {
     }
 };
 
+static bool u_cet_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->u_cet != 0;
+}
+
+static const VMStateDescription vmstate_u_cet = {
+    .name = "cpu/u_cet",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = u_cet_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.u_cet, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool s_cet_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->s_cet != 0;
+}
+
+static const VMStateDescription vmstate_s_cet = {
+    .name = "cpu/s_cet",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = s_cet_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.s_cet, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool pl0_ssp_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->pl0_ssp != 0;
+}
+
+static const VMStateDescription vmstate_pl0_ssp = {
+    .name = "cpu/pl0_ssp",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = pl0_ssp_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.pl0_ssp, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool pl1_ssp_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->pl1_ssp != 0;
+}
+
+static const VMStateDescription vmstate_pl1_ssp = {
+    .name = "cpu/pl1_ssp",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = pl1_ssp_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.pl1_ssp, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool pl2_ssp_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->pl2_ssp != 0;
+}
+
+static const VMStateDescription vmstate_pl2_ssp = {
+    .name = "cpu/pl2_ssp",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = pl2_ssp_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.pl2_ssp, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+
+static bool pl3_ssp_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->pl3_ssp != 0;
+}
+
+static const VMStateDescription vmstate_pl3_ssp = {
+    .name = "cpu/pl3_ssp",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = pl3_ssp_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.pl3_ssp, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool ssp_tbl_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->ssp_tbl != 0;
+}
+
+static const VMStateDescription vmstate_ssp_tbl = {
+    .name = "cpu/ssp_tbl",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = ssp_tbl_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.ssp_tbl, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static bool guest_ssp_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return env->guest_ssp != 0;
+}
+
+static const VMStateDescription vmstate_guest_ssp = {
+    .name = "cpu/guest_ssp",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = guest_ssp_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(env.guest_ssp, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 #ifdef TARGET_X86_64
 static bool pkru_needed(void *opaque)
 {
@@ -1495,6 +1648,14 @@  VMStateDescription vmstate_x86_cpu = {
         &vmstate_nested_state,
 #endif
         &vmstate_msr_tsx_ctrl,
+        &vmstate_u_cet,
+        &vmstate_s_cet,
+        &vmstate_pl0_ssp,
+        &vmstate_pl1_ssp,
+        &vmstate_pl2_ssp,
+        &vmstate_pl3_ssp,
+        &vmstate_ssp_tbl,
+        &vmstate_guest_ssp,
         NULL
     }
 };