| Message ID | 20220421094527.32261-5-seiden@linux.ibm.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | s390x: Attestation tests | expand |
On 4/21/22 11:45, Steffen Eiden wrote: > The UV facility bits shared/unshared must both be set or none. > > Signed-off-by: Steffen Eiden <seiden@linux.ibm.com> > --- > s390x/uv-guest.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/s390x/uv-guest.c b/s390x/uv-guest.c > index 728c60aa..77057bd2 100644 > --- a/s390x/uv-guest.c > +++ b/s390x/uv-guest.c > @@ -159,6 +159,14 @@ static void test_invalid(void) > report_prefix_pop(); > } > > +static void test_share_bits(void) > +{ > + bool unshare = uv_query_test_call(BIT_UVC_CMD_REMOVE_SHARED_ACCESS); > + bool share = uv_query_test_call(BIT_UVC_CMD_SET_SHARED_ACCESS); > + report_prefix_push("query"); > + report(!(share ^ unshare), "share bits"); "share bits are identical" ? report_prefix_pop(); > +} > + > int main(void) > { > bool has_uvc = test_facility(158); > @@ -169,6 +177,12 @@ int main(void) > goto done; > } > > + /* > + * Needs to be done before the guest-fence, > + * as the fence tests if both shared bits are present > + */ > + test_share_bits(); > + > if (!uv_os_is_guest()) { > report_skip("Not a protected guest"); > goto done;
diff --git a/s390x/uv-guest.c b/s390x/uv-guest.c index 728c60aa..77057bd2 100644 --- a/s390x/uv-guest.c +++ b/s390x/uv-guest.c @@ -159,6 +159,14 @@ static void test_invalid(void) report_prefix_pop(); } +static void test_share_bits(void) +{ + bool unshare = uv_query_test_call(BIT_UVC_CMD_REMOVE_SHARED_ACCESS); + bool share = uv_query_test_call(BIT_UVC_CMD_SET_SHARED_ACCESS); + + report(!(share ^ unshare), "share bits"); +} + int main(void) { bool has_uvc = test_facility(158); @@ -169,6 +177,12 @@ int main(void) goto done; } + /* + * Needs to be done before the guest-fence, + * as the fence tests if both shared bits are present + */ + test_share_bits(); + if (!uv_os_is_guest()) { report_skip("Not a protected guest"); goto done;
The UV facility bits shared/unshared must both be set or none. Signed-off-by: Steffen Eiden <seiden@linux.ibm.com> --- s390x/uv-guest.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)