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Commit 11294bf3 authored by Michal Wajdeczko's avatar Michal Wajdeczko
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drm/xe/kunit: Add PF service tests 

Start with basic tests for VF/PF ABI version negotiation. As we
treat all platforms in the same way, we can run the tests on one
platform. More tests will likely come later.
Reviewed-by: default avatarPiotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240423180436.2089-6-michal.wajdeczko@intel.com
parent 98e62805
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drivers/gpu/drm/xe/tests/xe_gt_sriov_pf_service_test.c 0 → 100644
View file @ 11294bf3
// SPDX-License-Identifier: GPL-2.0 AND MIT
/*
* Copyright © 2024 Intel Corporation
*/
#include <kunit/test.h>
#include "xe_device.h"
#include "xe_kunit_helpers.h"
#include "xe_pci_test.h"
static int pf_service_test_init(struct kunit *test)
{
struct xe_pci_fake_data fake = {
.sriov_mode = XE_SRIOV_MODE_PF,
.platform = XE_TIGERLAKE, /* some random platform */
.subplatform = XE_SUBPLATFORM_NONE,
};
struct xe_device *xe;
struct xe_gt *gt;
test->priv = &fake;
xe_kunit_helper_xe_device_test_init(test);
xe = test->priv;
KUNIT_ASSERT_EQ(test, xe_sriov_init(xe), 0);
gt = xe_device_get_gt(xe, 0);
pf_init_versions(gt);
/*
* sanity check:
* - all supported platforms VF/PF ABI versions must be defined
* - base version can't be newer than latest
*/
KUNIT_ASSERT_NE(test, 0, gt->sriov.pf.service.version.base.major);
KUNIT_ASSERT_NE(test, 0, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_LE(test, gt->sriov.pf.service.version.base.major,
gt->sriov.pf.service.version.latest.major);
if (gt->sriov.pf.service.version.base.major == gt->sriov.pf.service.version.latest.major)
KUNIT_ASSERT_LE(test, gt->sriov.pf.service.version.base.minor,
gt->sriov.pf.service.version.latest.minor);
test->priv = gt;
return 0;
}
static void pf_negotiate_any(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt, VF2PF_HANDSHAKE_MAJOR_ANY,
VF2PF_HANDSHAKE_MINOR_ANY,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.latest.minor);
}
static void pf_negotiate_base_match(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.base.major,
gt->sriov.pf.service.version.base.minor,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.base.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.base.minor);
}
static void pf_negotiate_base_newer(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.base.major,
gt->sriov.pf.service.version.base.minor + 1,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.base.major);
KUNIT_ASSERT_GE(test, minor, gt->sriov.pf.service.version.base.minor);
if (gt->sriov.pf.service.version.base.major == gt->sriov.pf.service.version.latest.major)
KUNIT_ASSERT_LE(test, minor, gt->sriov.pf.service.version.latest.minor);
else
KUNIT_FAIL(test, "FIXME: don't know how to test multi-version yet!\n");
}
static void pf_negotiate_base_next(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.base.major + 1, 0,
&major, &minor));
KUNIT_ASSERT_GE(test, major, gt->sriov.pf.service.version.base.major);
KUNIT_ASSERT_LE(test, major, gt->sriov.pf.service.version.latest.major);
if (major == gt->sriov.pf.service.version.latest.major)
KUNIT_ASSERT_LE(test, minor, gt->sriov.pf.service.version.latest.minor);
else
KUNIT_FAIL(test, "FIXME: don't know how to test multi-version yet!\n");
}
static void pf_negotiate_base_older(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
if (!gt->sriov.pf.service.version.base.minor)
kunit_skip(test, "no older minor\n");
KUNIT_ASSERT_NE(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.base.major,
gt->sriov.pf.service.version.base.minor - 1,
&major, &minor));
}
static void pf_negotiate_base_prev(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_NE(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.base.major - 1, 1,
&major, &minor));
}
static void pf_negotiate_latest_match(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.latest.major,
gt->sriov.pf.service.version.latest.minor,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.latest.minor);
}
static void pf_negotiate_latest_newer(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.latest.major,
gt->sriov.pf.service.version.latest.minor + 1,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.latest.minor);
}
static void pf_negotiate_latest_next(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.latest.major + 1, 0,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.latest.minor);
}
static void pf_negotiate_latest_older(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
if (!gt->sriov.pf.service.version.latest.minor)
kunit_skip(test, "no older minor\n");
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.latest.major,
gt->sriov.pf.service.version.latest.minor - 1,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major);
KUNIT_ASSERT_EQ(test, minor, gt->sriov.pf.service.version.latest.minor - 1);
}
static void pf_negotiate_latest_prev(struct kunit *test)
{
struct xe_gt *gt = test->priv;
u32 major, minor;
if (gt->sriov.pf.service.version.base.major == gt->sriov.pf.service.version.latest.major)
kunit_skip(test, "no prev major");
KUNIT_ASSERT_EQ(test, 0,
pf_negotiate_version(gt,
gt->sriov.pf.service.version.latest.major - 1,
gt->sriov.pf.service.version.base.minor + 1,
&major, &minor));
KUNIT_ASSERT_EQ(test, major, gt->sriov.pf.service.version.latest.major - 1);
KUNIT_ASSERT_GE(test, major, gt->sriov.pf.service.version.base.major);
}
static struct kunit_case pf_service_test_cases[] = {
KUNIT_CASE(pf_negotiate_any),
KUNIT_CASE(pf_negotiate_base_match),
KUNIT_CASE(pf_negotiate_base_newer),
KUNIT_CASE(pf_negotiate_base_next),
KUNIT_CASE(pf_negotiate_base_older),
KUNIT_CASE(pf_negotiate_base_prev),
KUNIT_CASE(pf_negotiate_latest_match),
KUNIT_CASE(pf_negotiate_latest_newer),
KUNIT_CASE(pf_negotiate_latest_next),
KUNIT_CASE(pf_negotiate_latest_older),
KUNIT_CASE(pf_negotiate_latest_prev),
{}
};
static struct kunit_suite pf_service_suite = {
.name = "pf_service",
.test_cases = pf_service_test_cases,
.init = pf_service_test_init,
};
kunit_test_suite(pf_service_suite);
drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c
View file @ 11294bf3
......@@ -544,3 +544,7 @@ int xe_gt_sriov_pf_service_print_version(struct xe_gt *gt, struct drm_printer *p
return 0;
}
#if IS_BUILTIN(CONFIG_DRM_XE_KUNIT_TEST)
#include "tests/xe_gt_sriov_pf_service_test.c"
#endif
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