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Diffstat (limited to 'arch/powerpc/sysdev/xive/native.c')
-rw-r--r--arch/powerpc/sysdev/xive/native.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index 57e3f1540435..1aec282cd650 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -41,6 +41,7 @@ static u32 xive_queue_shift;
static u32 xive_pool_vps = XIVE_INVALID_VP;
static struct kmem_cache *xive_provision_cache;
static bool xive_has_single_esc;
+static bool xive_has_save_restore;
int xive_native_populate_irq_data(u32 hw_irq, struct xive_irq_data *data)
{
@@ -588,6 +589,9 @@ bool __init xive_native_init(void)
if (of_get_property(np, "single-escalation-support", NULL) != NULL)
xive_has_single_esc = true;
+ if (of_get_property(np, "vp-save-restore", NULL))
+ xive_has_save_restore = true;
+
/* Configure Thread Management areas for KVM */
for_each_possible_cpu(cpu)
kvmppc_set_xive_tima(cpu, r.start, tima);
@@ -752,6 +756,12 @@ bool xive_native_has_single_escalation(void)
}
EXPORT_SYMBOL_GPL(xive_native_has_single_escalation);
+bool xive_native_has_save_restore(void)
+{
+ return xive_has_save_restore;
+}
+EXPORT_SYMBOL_GPL(xive_native_has_save_restore);
+
int xive_native_get_queue_info(u32 vp_id, u32 prio,
u64 *out_qpage,
u64 *out_qsize,