From fd6c16e20973c2a66ff6b3ed2b81f1d902adea91 Mon Sep 17 00:00:00 2001
From: Ruoqing He <heruoqing@iscas.ac.cn>
Date: Mon, 17 Mar 2025 17:16:05 +0800
Subject: [PATCH] kata-sys-util: Set NoProtection for riscv64

`available_guets_protection` is required for `runtime-rs` to infer while
building it on riscv64 platforms. Set it to `NoProtection` as riscv64
does not support guest protection for now.

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>
---
 src/libs/kata-sys-util/src/protection.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libs/kata-sys-util/src/protection.rs b/src/libs/kata-sys-util/src/protection.rs
index 1b73017366..9cb11a1178 100644
--- a/src/libs/kata-sys-util/src/protection.rs
+++ b/src/libs/kata-sys-util/src/protection.rs
@@ -277,6 +277,13 @@ pub fn available_guest_protection() -> Result<GuestProtection, ProtectionError>
     Ok(GuestProtection::NoProtection)
 }
 
+#[cfg(target_arch = "riscv64")]
+#[allow(dead_code)]
+// Guest protection is not supported on RISC-V.
+pub fn available_guest_protection() -> Result<GuestProtection, ProtectionError> {
+    Ok(GuestProtection::NoProtection)
+}
+
 #[cfg(target_arch = "x86_64")]
 #[cfg(test)]
 mod tests {