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authorSuraj Jitindar Singh <sjitindarsingh@gmail.com>2019-03-01 13:43:14 +1100
committerDavid Gibson <david@gibson.dropbear.id.au>2019-03-12 12:07:49 +1100
commitc982f5cf9ab9e60a8255f9cc72362c932c252471 (patch)
tree4dfc56cc1a2175e14d46b03e528b688b5b364e50 /hw/ppc/spapr_caps.c
parentc65ecfe2f3078156fd5e1e05867f02359a3ce678 (diff)
target/ppc/spapr: Add SPAPR_CAP_LARGE_DECREMENTER
Add spapr_cap SPAPR_CAP_LARGE_DECREMENTER to be used to control the availability of the large decrementer for a guest. Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> Message-Id: <20190301024317.22137-1-sjitindarsingh@gmail.com> [dwg: Trivial style fix] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/spapr_caps.c')
-rw-r--r--hw/ppc/spapr_caps.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index 64f98ae68d..c28239ca01 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -390,6 +390,14 @@ static void cap_nested_kvm_hv_apply(sPAPRMachineState *spapr,
}
}
+static void cap_large_decr_apply(sPAPRMachineState *spapr,
+ uint8_t val, Error **errp)
+{
+ if (val)
+ error_setg(errp,
+ "No large decrementer support, try cap-large-decr=off");
+}
+
sPAPRCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
[SPAPR_CAP_HTM] = {
.name = "htm",
@@ -468,6 +476,15 @@ sPAPRCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
.type = "bool",
.apply = cap_nested_kvm_hv_apply,
},
+ [SPAPR_CAP_LARGE_DECREMENTER] = {
+ .name = "large-decr",
+ .description = "Allow Large Decrementer",
+ .index = SPAPR_CAP_LARGE_DECREMENTER,
+ .get = spapr_cap_get_bool,
+ .set = spapr_cap_set_bool,
+ .type = "bool",
+ .apply = cap_large_decr_apply,
+ },
};
static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
@@ -596,6 +613,7 @@ SPAPR_CAP_MIG_STATE(cfpc, SPAPR_CAP_CFPC);
SPAPR_CAP_MIG_STATE(sbbc, SPAPR_CAP_SBBC);
SPAPR_CAP_MIG_STATE(ibs, SPAPR_CAP_IBS);
SPAPR_CAP_MIG_STATE(nested_kvm_hv, SPAPR_CAP_NESTED_KVM_HV);
+SPAPR_CAP_MIG_STATE(large_decr, SPAPR_CAP_LARGE_DECREMENTER);
void spapr_caps_init(sPAPRMachineState *spapr)
{