In preparation for adding stage-2 support.
Add IDR0 fields related to stage-2.

VMID16: 16-bit VMID supported.
S2P: Stage-2 translation supported.

They are described in 6.3.1 SMMU_IDR0.

No functional change intended.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>

---
Changes in V2:
- Collected Reviewed-by tags.
---
 hw/arm/smmuv3-internal.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h
index e8f0ebf25e..183d5ac8dc 100644
--- a/hw/arm/smmuv3-internal.h
+++ b/hw/arm/smmuv3-internal.h
@@ -34,10 +34,12 @@ typedef enum SMMUTranslationStatus {
 /* MMIO Registers */
 
 REG32(IDR0,                0x0)
+    FIELD(IDR0, S2P,         0 , 1)
     FIELD(IDR0, S1P,         1 , 1)
     FIELD(IDR0, TTF,         2 , 2)
     FIELD(IDR0, COHACC,      4 , 1)
     FIELD(IDR0, ASID16,      12, 1)
+    FIELD(IDR0, VMID16,      18, 1)
     FIELD(IDR0, TTENDIAN,    21, 2)
     FIELD(IDR0, STALL_MODEL, 24, 2)
     FIELD(IDR0, TERM_MODEL,  26, 1)
-- 
2.40.1.606.ga4b1b128d6-goog