diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-01-05 01:20:30 +0300 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-01-05 18:25:54 +0300 |
| commit | 927b042a8daf2c773fd1802b388e22ca6087235c (patch) | |
| tree | 5352b53e6f34c711a11e3f1d0e4c8a10391f6f3e /drivers/gpu/drm/xe/xe_guc_relay.c | |
| parent | 4469eae6bc52b3746b39941f90b9213bcef0255a (diff) | |
| download | linux-927b042a8daf2c773fd1802b388e22ca6087235c.tar.xz | |
drm/xe/kunit: Add GuC Relay kunit tests
Add few tests to make sure that some negative and normal use
scenarios of the GuC Relay are implemented correctly.
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://lore.kernel.org/r/20240104222031.277-10-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_guc_relay.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc_relay.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_relay.c b/drivers/gpu/drm/xe/xe_guc_relay.c index 0e7383256408..b772088979bd 100644 --- a/drivers/gpu/drm/xe/xe_guc_relay.c +++ b/drivers/gpu/drm/xe/xe_guc_relay.c @@ -8,6 +8,8 @@ #include <drm/drm_managed.h> +#include <kunit/static_stub.h> + #include "abi/guc_actions_sriov_abi.h" #include "abi/guc_relay_actions_abi.h" #include "abi/guc_relay_communication_abi.h" @@ -60,6 +62,7 @@ static int relay_get_totalvfs(struct xe_guc_relay *relay) struct xe_device *xe = relay_to_xe(relay); struct pci_dev *pdev = to_pci_dev(xe->drm.dev); + KUNIT_STATIC_STUB_REDIRECT(relay_get_totalvfs, relay); return IS_SRIOV_VF(xe) ? 0 : pci_sriov_get_totalvfs(pdev); } @@ -392,6 +395,11 @@ static u32 prepare_error_reply(u32 *msg, u32 error, u32 hint) return GUC_HXG_FAILURE_MSG_LEN; } +static void relay_testonly_nop(struct xe_guc_relay *relay) +{ + KUNIT_STATIC_STUB_REDIRECT(relay_testonly_nop, relay); +} + static int relay_send_message_and_wait(struct xe_guc_relay *relay, struct relay_transaction *txn, u32 *buf, u32 buf_size) @@ -434,8 +442,10 @@ wait: reinit_completion(&txn->done); if (txn->reply == -EAGAIN) goto resend; - if (txn->reply == -EBUSY) + if (txn->reply == -EBUSY) { + relay_testonly_nop(relay); goto wait; + } if (txn->reply > 0) ret = from_relay_error(txn->reply); else @@ -751,6 +761,7 @@ static bool relay_needs_worker(struct xe_guc_relay *relay) static void relay_kick_worker(struct xe_guc_relay *relay) { + KUNIT_STATIC_STUB_REDIRECT(relay_kick_worker, relay); queue_work(relay_to_xe(relay)->sriov.wq, &relay->worker); } @@ -849,7 +860,7 @@ int xe_guc_relay_process_guc2vf(struct xe_guc_relay *relay, const u32 *msg, u32 relay_assert(relay, FIELD_GET(GUC_HXG_EVENT_MSG_0_ACTION, msg[0]) == XE_GUC_ACTION_GUC2VF_RELAY_FROM_PF); - if (unlikely(!IS_SRIOV_VF(relay_to_xe(relay)))) + if (unlikely(!IS_SRIOV_VF(relay_to_xe(relay)) && !kunit_get_current_test())) return -EPERM; if (unlikely(!relay_is_ready(relay))) @@ -895,7 +906,7 @@ int xe_guc_relay_process_guc2pf(struct xe_guc_relay *relay, const u32 *msg, u32 relay_assert(relay, FIELD_GET(GUC_HXG_EVENT_MSG_0_ACTION, msg[0]) == XE_GUC_ACTION_GUC2PF_RELAY_FROM_VF); - if (unlikely(!IS_SRIOV_PF(relay_to_xe(relay)))) + if (unlikely(!IS_SRIOV_PF(relay_to_xe(relay)) && !kunit_get_current_test())) return -EPERM; if (unlikely(!relay_is_ready(relay))) @@ -923,3 +934,7 @@ int xe_guc_relay_process_guc2pf(struct xe_guc_relay *relay, const u32 *msg, u32 return err; } #endif + +#if IS_BUILTIN(CONFIG_DRM_XE_KUNIT_TEST) +#include "tests/xe_guc_relay_test.c" +#endif |