firmware/guest: Always set guest policy 17th bit

tylerfanelli · tylerfanelli · commit 2aa378c29113 · 2024-07-03T00:56:55.000-04:00
Signed-off-by: Tyler Fanelli &lt;tfanelli@redhat.com&gt;
diff --git a/src/firmware/guest/types/snp.rs b/src/firmware/guest/types/snp.rs
@@ -466,7 +466,10 @@ impl Display for GuestPolicy {
 
 impl From<GuestPolicy> for u64 {
     fn from(value: GuestPolicy) -> Self {
-        value.0
+        // Bit 17 of the guest policy is reserved and must always be set to 1.
+        let reserved: u64 = 1 << 17;
+
+        value.0 | reserved
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -466,7 +466,10 @@ impl Display for GuestPolicy {`
`466`	`466`
`467`	`467`	`impl From<GuestPolicy> for u64 {`
`468`	`468`	`fn from(value: GuestPolicy) -> Self {`
`469`		`- value.0`
	`469`	`+ // Bit 17 of the guest policy is reserved and must always be set to 1.`
	`470`	`+ let reserved: u64 = 1 << 17;`
	`471`	`+`
	`472`	`+ value.0 \| reserved`
`470`	`473`	`}`
`471`	`474`	`}`
`472`	`475`