blob: 23ccf842d22592a0697c60c5cafed357175d4710 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Test the known dependencies for facilities
*
* Copyright 2019, 2021 IBM Corp.
*
* Authors:
* Christian Borntraeger <borntraeger@de.ibm.com>
* Janosch Frank <frankja@linux.ibm.com>
*/
#include <asm/facility.h>
#include <vm.h>
#include <sclp.h>
#include <uv.h>
#include <asm/uv.h>
static void test_sclp_missing_sief2_implications(void)
{
/* Virtualization related facilities */
report(!sclp_facilities.has_64bscao, "!64bscao");
report(!sclp_facilities.has_pfmfi, "!pfmfi");
report(!sclp_facilities.has_gsls, "!gsls");
report(!sclp_facilities.has_cmma, "!cmma");
report(!sclp_facilities.has_esca, "!esca");
report(!sclp_facilities.has_kss, "!kss");
report(!sclp_facilities.has_ibs, "!ibs");
/* Virtualization related facilities reported via CPU entries */
report(!sclp_facilities.has_sigpif, "!sigpif");
report(!sclp_facilities.has_sief2, "!sief2");
report(!sclp_facilities.has_skeyi, "!skeyi");
report(!sclp_facilities.has_siif, "!siif");
report(!sclp_facilities.has_cei, "!cei");
report(!sclp_facilities.has_ib, "!ib");
}
static void test_sclp_features_fmt4(void)
{
/*
* STFLE facilities are handled by the Ultravisor but SCLP
* facilities are advertised by the hypervisor.
*/
report_prefix_push("PV guest implies");
/* General facilities */
report(!sclp_facilities.has_diag318, "!diag318");
/*
* Virtualization related facilities, all of which are
* unavailable because there's no virtualization support in a
* protected guest.
*/
test_sclp_missing_sief2_implications();
report_prefix_pop();
}
static void test_sclp_features_fmt2(void)
{
if (sclp_facilities.has_sief2)
return;
report_prefix_push("!sief2 implies");
test_sclp_missing_sief2_implications();
report_prefix_pop();
}
static void test_sclp_features(void)
{
report_prefix_push("sclp");
if (uv_os_is_guest())
test_sclp_features_fmt4();
else
test_sclp_features_fmt2();
report_prefix_pop();
}
static struct {
int facility;
int implied;
bool expected_tcg_fail;
} dep[] = {
/* from SA22-7832-11 4-98 facility indications */
{ 4, 3 },
{ 5, 3 },
{ 5, 4 },
{ 19, 18 },
{ 37, 42, true }, /* TCG does not have DFP and won't get it soon */
{ 43, 42 },
{ 73, 49 },
{ 134, 129 },
{ 135, 129 },
{ 139, 25 },
{ 139, 28 },
{ 146, 76 },
/* indirectly documented in description */
{ 78, 8 }, /* EDAT */
/* new dependencies from gen15 */
{ 61, 45 },
{ 148, 129 },
{ 148, 135 },
{ 152, 129 },
{ 152, 134 },
{ 155, 76 },
{ 155, 77 },
};
int main(void)
{
int i;
report_prefix_push("cpumodel");
report_prefix_push("dependency");
for (i = 0; i < ARRAY_SIZE(dep); i++) {
report_prefix_pushf("%d implies %d", dep[i].facility, dep[i].implied);
if (test_facility(dep[i].facility)) {
report_xfail(dep[i].expected_tcg_fail && vm_is_tcg(),
test_facility(dep[i].implied),
"implication not correct");
} else {
report_skip("facility %d not present", dep[i].facility);
}
report_prefix_pop();
}
report_prefix_pop();
test_sclp_features();
report_prefix_pop();
return report_summary();
}