From: Tao Tang <[email protected]>

Add a STAGE1_SUPPORTED check in the CMD_CFGI_CD and CMD_CFGI_CD_ALL path
and return CERROR_ILL when stage-1 translation is not implemented,
matching the architecture requirement (IHI 0070G.b, page 176).

Fixes: 32cfd7f39e08 ("hw/arm/smmuv3: Cache/invalidate config data")
Signed-off-by: Tao Tang <[email protected]>
Reviewed-by: Pierrick Bouvier <[email protected]>
Reviewed-by: Mostafa Saleh <[email protected]>
Reviewed-by: Eric Auger <[email protected]>
Message-id: [email protected]
Links: 
https://lore.kernel.org/qemu-devel/[email protected]/
Signed-off-by: Peter Maydell <[email protected]>
---
 hw/arm/smmuv3.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index af7a54143f..068108e49b 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1407,6 +1407,15 @@ static int smmuv3_cmdq_consume(SMMUv3State *s, Error 
**errp)
                 break;
             }
 
+            /*
+             * This command raises CERROR_ILL when stage 1 is not implemented
+             * according to (IHI 0070G.b) Page 176.
+             */
+            if (!STAGE1_SUPPORTED(s)) {
+                cmd_error = SMMU_CERROR_ILL;
+                break;
+            }
+
             trace_smmuv3_cmdq_cfgi_cd(sid);
             smmuv3_flush_config(sdev);
             if (!smmuv3_accel_issue_inv_cmd(s, &cmd, sdev, errp)) {
-- 
2.43.0


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