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From 3c8c0e5bae7be14972cd38c470227d7037892a2c Mon Sep 17 00:00:00 2001
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From: David Gibson <dgibson@redhat.com>
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Date: Mon, 12 Nov 2018 01:28:35 +0000
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Subject: [PATCH 04/16] ppc/spapr_caps: Add SPAPR_CAP_NESTED_KVM_HV
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RH-Author: David Gibson <dgibson@redhat.com>
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Message-id: <20181112012835.21863-5-dgibson@redhat.com>
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Patchwork-id: 82980
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O-Subject: [RHEL-8 qemu-kvm PATCH 4/4] ppc/spapr_caps: Add SPAPR_CAP_NESTED_KVM_HV
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Bugzilla: 1639069
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Serhii Popovych <spopovyc@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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From: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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Add the spapr cap SPAPR_CAP_NESTED_KVM_HV to be used to control the
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availability of nested kvm-hv to the level 1 (L1) guest.
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Assuming a hypervisor with support enabled an L1 guest can be allowed to
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use the kvm-hv module (and thus run it's own kvm-hv guests) by setting:
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-machine pseries,cap-nested-hv=true
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or disabled with:
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-machine pseries,cap-nested-hv=false
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Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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(cherry picked from commit b9a477b725788e47bf653eab36e64f232d259f2a)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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Conflicts:
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hw/ppc/spapr.c
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hw/ppc/spapr_caps.c
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include/hw/ppc/spapr.h
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We need some tweaks to renumber the nested KVM cap from upstream,
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because we don't have the maximum page size capability downstream and
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the code doesn't like sparse cap numbers. This is safe, because the
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cap number does not appear in the migration stream, so it's strictly
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local (the cap name is used for migration).
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We also work around a contextual conflict.
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1639069
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Signed-off-by: David Gibson <dgibson@redhat.com>
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---
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hw/ppc/spapr.c | 2 ++
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hw/ppc/spapr_caps.c | 32 ++++++++++++++++++++++++++++++++
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include/hw/ppc/spapr.h | 5 ++++-
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target/ppc/kvm.c | 12 ++++++++++++
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target/ppc/kvm_ppc.h | 12 ++++++++++++
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5 files changed, 62 insertions(+), 1 deletion(-)
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diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
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index a61dafd..ea72782 100644
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--- a/hw/ppc/spapr.c
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+++ b/hw/ppc/spapr.c
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@@ -1816,6 +1816,7 @@ static const VMStateDescription vmstate_spapr = {
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&vmstate_spapr_cap_cfpc,
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&vmstate_spapr_cap_sbbc,
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&vmstate_spapr_cap_ibs,
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+ &vmstate_spapr_cap_nested_kvm_hv,
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NULL
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}
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};
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@@ -3922,6 +3923,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
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smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN;
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smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN;
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smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN;
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+ smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] = SPAPR_CAP_OFF;
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spapr_caps_add_properties(smc, &error_abort);
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smc->has_power9_support = true;
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}
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diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
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index 00e43a9..86a7947 100644
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--- a/hw/ppc/spapr_caps.c
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+++ b/hw/ppc/spapr_caps.c
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@@ -265,6 +265,28 @@ static void cap_safe_indirect_branch_apply(sPAPRMachineState *spapr,
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#define VALUE_DESC_TRISTATE " (broken, workaround, fixed)"
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+static void cap_nested_kvm_hv_apply(sPAPRMachineState *spapr,
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+ uint8_t val, Error **errp)
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+{
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+ if (!val) {
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+ /* capability disabled by default */
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+ return;
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ae23c9 |
+ }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ if (tcg_enabled()) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ error_setg(errp,
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ "No Nested KVM-HV support in tcg, try cap-nested-hv=off");
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ } else if (kvm_enabled()) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ if (!kvmppc_has_cap_nested_kvm_hv()) {
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ error_setg(errp,
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+"KVM implementation does not support Nested KVM-HV, try cap-nested-hv=off");
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ } else if (kvmppc_set_cap_nested_kvm_hv(val) < 0) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ error_setg(errp,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+"Error enabling cap-nested-hv with KVM, try cap-nested-hv=off");
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ }
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
sPAPRCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
[SPAPR_CAP_HTM] = {
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
.name = "htm",
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -324,6 +346,15 @@ sPAPRCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
.possible = &cap_ibs_possible,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
.apply = cap_safe_indirect_branch_apply,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
},
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ [SPAPR_CAP_NESTED_KVM_HV] = {
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .name = "nested-hv",
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .description = "Allow Nested KVM-HV",
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .index = SPAPR_CAP_NESTED_KVM_HV,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .get = spapr_cap_get_bool,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .set = spapr_cap_set_bool,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .type = "bool",
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ .apply = cap_nested_kvm_hv_apply,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ },
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
};
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -439,6 +470,7 @@ SPAPR_CAP_MIG_STATE(dfp, SPAPR_CAP_DFP);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
SPAPR_CAP_MIG_STATE(cfpc, SPAPR_CAP_CFPC);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
SPAPR_CAP_MIG_STATE(sbbc, SPAPR_CAP_SBBC);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
SPAPR_CAP_MIG_STATE(ibs, SPAPR_CAP_IBS);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+SPAPR_CAP_MIG_STATE(nested_kvm_hv, SPAPR_CAP_NESTED_KVM_HV);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
void spapr_caps_reset(sPAPRMachineState *spapr)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
{
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
index 5118af6..beb42bc 100644
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
--- a/include/hw/ppc/spapr.h
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+++ b/include/hw/ppc/spapr.h
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -66,8 +66,10 @@ typedef enum {
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
#define SPAPR_CAP_SBBC 0x04
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
/* Indirect Branch Serialisation */
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
#define SPAPR_CAP_IBS 0x05
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+/* Nested KVM-HV */
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+#define SPAPR_CAP_NESTED_KVM_HV 0x06
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
/* Num Caps */
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
-#define SPAPR_CAP_NUM (SPAPR_CAP_IBS + 1)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+#define SPAPR_CAP_NUM (SPAPR_CAP_NESTED_KVM_HV + 1)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
/*
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
* Capability Values
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -794,6 +796,7 @@ extern const VMStateDescription vmstate_spapr_cap_dfp;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
extern const VMStateDescription vmstate_spapr_cap_cfpc;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
extern const VMStateDescription vmstate_spapr_cap_sbbc;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
extern const VMStateDescription vmstate_spapr_cap_ibs;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static inline uint8_t spapr_get_cap(sPAPRMachineState *spapr, int cap)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
{
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
index 192c40d..058dcbe 100644
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
--- a/target/ppc/kvm.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+++ b/target/ppc/kvm.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -92,6 +92,7 @@ static int cap_ppc_pvr_compat;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static int cap_ppc_safe_cache;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static int cap_ppc_safe_bounds_check;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static int cap_ppc_safe_indirect_branch;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+static int cap_ppc_nested_kvm_hv;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static uint32_t debug_inst_opcode;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -152,6 +153,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
cap_mmu_hash_v3 = kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_HASH_V3);
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
cap_resize_hpt = kvm_vm_check_extension(s, KVM_CAP_SPAPR_RESIZE_HPT);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
kvmppc_get_cpu_characteristics(s);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ cap_ppc_nested_kvm_hv = kvm_vm_check_extension(s, KVM_CAP_PPC_NESTED_HV);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
/*
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
* Note: setting it to false because there is not such capability
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
* in KVM at this moment.
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -2552,6 +2554,16 @@ int kvmppc_get_cap_safe_indirect_branch(void)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
return cap_ppc_safe_indirect_branch;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+bool kvmppc_has_cap_nested_kvm_hv(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ return !!cap_ppc_nested_kvm_hv;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+int kvmppc_set_cap_nested_kvm_hv(int enable)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ return kvm_vm_enable_cap(kvm_state, KVM_CAP_PPC_NESTED_HV, 0, enable);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
bool kvmppc_has_cap_spapr_vfio(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
return cap_spapr_vfio;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
index 4d2789e..dc86eff 100644
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
--- a/target/ppc/kvm_ppc.h
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+++ b/target/ppc/kvm_ppc.h
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -63,6 +63,8 @@ bool kvmppc_has_cap_mmu_hash_v3(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
int kvmppc_get_cap_safe_cache(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
int kvmppc_get_cap_safe_bounds_check(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
int kvmppc_get_cap_safe_indirect_branch(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+bool kvmppc_has_cap_nested_kvm_hv(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+int kvmppc_set_cap_nested_kvm_hv(int enable);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
int kvmppc_enable_hwrng(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
int kvmppc_put_books_sregs(PowerPCCPU *cpu);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
@@ -314,6 +316,16 @@ static inline int kvmppc_get_cap_safe_indirect_branch(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
return 0;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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ae23c9 |
+static inline bool kvmppc_has_cap_nested_kvm_hv(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ return false;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+static inline int kvmppc_set_cap_nested_kvm_hv(int enable)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+ return -1;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
static inline int kvmppc_enable_hwrng(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
return -1;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
--
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
1.8.3.1
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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