[PATCH v12 21/23] hw/intc/arm_gicv3: Report the VINMI interrupt

[Jinjie Ruan via]

In vCPU Interface, if the vIRQ has the non-maskable property, report
vINMI to the corresponding vPE.

Signed-off-by: Jinjie Ruan <ruanjin...@huawei.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
---
v12:
- Do not check nmi_support repetitively.
- Add Reviewed-by.
v10:
- Update the commit message, superpriority -> non-maskable.
v9:
- Update the commit subject and message, vNMI -> vINMI.
v6:
- Add Reviewed-by.
---
 hw/intc/arm_gicv3_cpuif.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c
index 93476f4744..f54b3b45ec 100644
--- a/hw/intc/arm_gicv3_cpuif.c
+++ b/hw/intc/arm_gicv3_cpuif.c
@@ -480,6 +480,7 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
     int idx;
     int irqlevel = 0;
     int fiqlevel = 0;
+    int nmilevel = 0;
 
     idx = hppvi_index(cs);
     trace_gicv3_cpuif_virt_update(gicv3_redist_affid(cs), idx,
@@ -497,9 +498,17 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
         uint64_t lr = cs->ich_lr_el2[idx];
 
         if (icv_hppi_can_preempt(cs, lr)) {
-            /* Virtual interrupts are simple: G0 are always FIQ, and G1 IRQ */
+            /*
+             * Virtual interrupts are simple: G0 are always FIQ, and G1 are
+             * IRQ or NMI which depends on the ICH_LR<n>_EL2.NMI to have
+             * non-maskable property.
+             */
             if (lr & ICH_LR_EL2_GROUP) {
-                irqlevel = 1;
+                if (lr & ICH_LR_EL2_NMI) {
+                    nmilevel = 1;
+                } else {
+                    irqlevel = 1;
+                }
             } else {
                 fiqlevel = 1;
             }
@@ -509,6 +518,7 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
     trace_gicv3_cpuif_virt_set_irqs(gicv3_redist_affid(cs), fiqlevel, 
irqlevel);
     qemu_set_irq(cs->parent_vfiq, fiqlevel);
     qemu_set_irq(cs->parent_virq, irqlevel);
+    qemu_set_irq(cs->parent_vnmi, nmilevel);
 }
 
 static void gicv3_cpuif_virt_update(GICv3CPUState *cs)
-- 
2.34.1