37 static int pf_send_policy_klvs(struct xe_gt *gt, const u32 *klvs, u32 num_dwords)  in pf_send_policy_klvs()  argument
40 	struct xe_tile *tile = gt_to_tile(gt);  in pf_send_policy_klvs()
42 	struct xe_guc *guc = &gt->uc.guc;  in pf_send_policy_klvs()
67 static int pf_push_policy_klvs(struct xe_gt *gt, u32 num_klvs,  in pf_push_policy_klvs()  argument
72 	xe_gt_assert(gt, num_klvs == xe_guc_klv_count(klvs, num_dwords));  in pf_push_policy_klvs()
74 	ret = pf_send_policy_klvs(gt, klvs, num_dwords);  in pf_push_policy_klvs()
78 		struct drm_printer p = xe_gt_info_printer(gt);  in pf_push_policy_klvs()
80 		xe_gt_sriov_notice(gt, "Failed to push %u policy KLV%s (%pe)\n",  in pf_push_policy_klvs()
89 static int pf_push_policy_u32(struct xe_gt *gt, u16 key, u32 value)  in pf_push_policy_u32()  argument
96 	return pf_push_policy_klvs(gt, 1, klv, ARRAY_SIZE(klv));  in pf_push_policy_u32()
99 static int pf_update_policy_bool(struct xe_gt *gt, u16 key, bool *policy, bool value)  in pf_update_policy_bool()  argument
103 	err = pf_push_policy_u32(gt, key, value);  in pf_update_policy_bool()
105 		xe_gt_sriov_notice(gt, "Failed to update policy %#x '%s' to '%s' (%pe)\n",  in pf_update_policy_bool()
111 	xe_gt_sriov_dbg(gt, "policy key %#x '%s' updated to '%s'\n",  in pf_update_policy_bool()
119 static int pf_update_policy_u32(struct xe_gt *gt, u16 key, u32 *policy, u32 value)  in pf_update_policy_u32()  argument
123 	err = pf_push_policy_u32(gt, key, value);  in pf_update_policy_u32()
125 		xe_gt_sriov_notice(gt, "Failed to update policy %#x '%s' to '%s' (%pe)\n",  in pf_update_policy_u32()
131 	xe_gt_sriov_dbg(gt, "policy key %#x '%s' updated to %u\n",  in pf_update_policy_u32()
138 static int pf_provision_sched_if_idle(struct xe_gt *gt, bool enable)  in pf_provision_sched_if_idle()  argument
140 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_provision_sched_if_idle()
141 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_provision_sched_if_idle()
143 	return pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY,  in pf_provision_sched_if_idle()
144 				     &gt->sriov.pf.policy.guc.sched_if_idle,  in pf_provision_sched_if_idle()
148 static int pf_reprovision_sched_if_idle(struct xe_gt *gt)  in pf_reprovision_sched_if_idle()  argument
150 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_reprovision_sched_if_idle()
151 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_reprovision_sched_if_idle()
153 	return pf_provision_sched_if_idle(gt, gt->sriov.pf.policy.guc.sched_if_idle);  in pf_reprovision_sched_if_idle()
156 static void pf_sanitize_sched_if_idle(struct xe_gt *gt)  in pf_sanitize_sched_if_idle()  argument
158 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_sanitize_sched_if_idle()
159 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_sanitize_sched_if_idle()
161 	gt->sriov.pf.policy.guc.sched_if_idle = false;  in pf_sanitize_sched_if_idle()
166  * @gt: the &xe_gt where to apply the policy
173 int xe_gt_sriov_pf_policy_set_sched_if_idle(struct xe_gt *gt, bool enable)  in xe_gt_sriov_pf_policy_set_sched_if_idle()  argument
177 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_sched_if_idle()
178 	err = pf_provision_sched_if_idle(gt, enable);  in xe_gt_sriov_pf_policy_set_sched_if_idle()
179 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_sched_if_idle()
186  * @gt: the &xe_gt where to read the policy from
192 bool xe_gt_sriov_pf_policy_get_sched_if_idle(struct xe_gt *gt)  in xe_gt_sriov_pf_policy_get_sched_if_idle()  argument
196 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in xe_gt_sriov_pf_policy_get_sched_if_idle()
198 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_sched_if_idle()
199 	enable = gt->sriov.pf.policy.guc.sched_if_idle;  in xe_gt_sriov_pf_policy_get_sched_if_idle()
200 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_sched_if_idle()
205 static int pf_provision_reset_engine(struct xe_gt *gt, bool enable)  in pf_provision_reset_engine()  argument
207 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_provision_reset_engine()
208 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_provision_reset_engine()
210 	return pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_RESET_AFTER_VF_SWITCH_KEY,  in pf_provision_reset_engine()
211 				     &gt->sriov.pf.policy.guc.reset_engine, enable);  in pf_provision_reset_engine()
214 static int pf_reprovision_reset_engine(struct xe_gt *gt)  in pf_reprovision_reset_engine()  argument
216 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_reprovision_reset_engine()
217 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_reprovision_reset_engine()
219 	return pf_provision_reset_engine(gt, gt->sriov.pf.policy.guc.reset_engine);  in pf_reprovision_reset_engine()
222 static void pf_sanitize_reset_engine(struct xe_gt *gt)  in pf_sanitize_reset_engine()  argument
224 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_sanitize_reset_engine()
225 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_sanitize_reset_engine()
227 	gt->sriov.pf.policy.guc.reset_engine = false;  in pf_sanitize_reset_engine()
232  * @gt: the &xe_gt where to apply the policy
239 int xe_gt_sriov_pf_policy_set_reset_engine(struct xe_gt *gt, bool enable)  in xe_gt_sriov_pf_policy_set_reset_engine()  argument
243 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_reset_engine()
244 	err = pf_provision_reset_engine(gt, enable);  in xe_gt_sriov_pf_policy_set_reset_engine()
245 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_reset_engine()
252  * @gt: the &xe_gt where to read the policy from
258 bool xe_gt_sriov_pf_policy_get_reset_engine(struct xe_gt *gt)  in xe_gt_sriov_pf_policy_get_reset_engine()  argument
262 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in xe_gt_sriov_pf_policy_get_reset_engine()
264 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_reset_engine()
265 	enable = gt->sriov.pf.policy.guc.reset_engine;  in xe_gt_sriov_pf_policy_get_reset_engine()
266 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_reset_engine()
271 static int pf_provision_sample_period(struct xe_gt *gt, u32 value)  in pf_provision_sample_period()  argument
273 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_provision_sample_period()
274 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_provision_sample_period()
276 	return pf_update_policy_u32(gt, GUC_KLV_VGT_POLICY_ADVERSE_SAMPLE_PERIOD_KEY,  in pf_provision_sample_period()
277 				    &gt->sriov.pf.policy.guc.sample_period, value);  in pf_provision_sample_period()
280 static int pf_reprovision_sample_period(struct xe_gt *gt)  in pf_reprovision_sample_period()  argument
282 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_reprovision_sample_period()
283 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_reprovision_sample_period()
285 	return pf_provision_sample_period(gt, gt->sriov.pf.policy.guc.sample_period);  in pf_reprovision_sample_period()
288 static void pf_sanitize_sample_period(struct xe_gt *gt)  in pf_sanitize_sample_period()  argument
290 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in pf_sanitize_sample_period()
291 	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));  in pf_sanitize_sample_period()
293 	gt->sriov.pf.policy.guc.sample_period = 0;  in pf_sanitize_sample_period()
298  * @gt: the &xe_gt where to apply the policy
305 int xe_gt_sriov_pf_policy_set_sample_period(struct xe_gt *gt, u32 value)  in xe_gt_sriov_pf_policy_set_sample_period()  argument
309 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_sample_period()
310 	err = pf_provision_sample_period(gt, value);  in xe_gt_sriov_pf_policy_set_sample_period()
311 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_set_sample_period()
318  * @gt: the &xe_gt where to read the policy from
324 u32 xe_gt_sriov_pf_policy_get_sample_period(struct xe_gt *gt)  in xe_gt_sriov_pf_policy_get_sample_period()  argument
328 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in xe_gt_sriov_pf_policy_get_sample_period()
330 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_sample_period()
331 	value = gt->sriov.pf.policy.guc.sample_period;  in xe_gt_sriov_pf_policy_get_sample_period()
332 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_get_sample_period()
337 static void pf_sanitize_guc_policies(struct xe_gt *gt)  in pf_sanitize_guc_policies()  argument
339 	pf_sanitize_sched_if_idle(gt);  in pf_sanitize_guc_policies()
340 	pf_sanitize_reset_engine(gt);  in pf_sanitize_guc_policies()
341 	pf_sanitize_sample_period(gt);  in pf_sanitize_guc_policies()
346  * @gt: the &xe_gt
352 void xe_gt_sriov_pf_policy_sanitize(struct xe_gt *gt)  in xe_gt_sriov_pf_policy_sanitize()  argument
354 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_sanitize()
355 	pf_sanitize_guc_policies(gt);  in xe_gt_sriov_pf_policy_sanitize()
356 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_sanitize()
361  * @gt: the &xe_gt
368 int xe_gt_sriov_pf_policy_reprovision(struct xe_gt *gt, bool reset)  in xe_gt_sriov_pf_policy_reprovision()  argument
372 	xe_pm_runtime_get_noresume(gt_to_xe(gt));  in xe_gt_sriov_pf_policy_reprovision()
374 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_reprovision()
376 		pf_sanitize_guc_policies(gt);  in xe_gt_sriov_pf_policy_reprovision()
377 	err |= pf_reprovision_sched_if_idle(gt);  in xe_gt_sriov_pf_policy_reprovision()
378 	err |= pf_reprovision_reset_engine(gt);  in xe_gt_sriov_pf_policy_reprovision()
379 	err |= pf_reprovision_sample_period(gt);  in xe_gt_sriov_pf_policy_reprovision()
380 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_reprovision()
382 	xe_pm_runtime_put(gt_to_xe(gt));  in xe_gt_sriov_pf_policy_reprovision()
402  * @gt: the &xe_gt where to read the policy from
409 int xe_gt_sriov_pf_policy_print(struct xe_gt *gt, struct drm_printer *p)  in xe_gt_sriov_pf_policy_print()  argument
411 	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));  in xe_gt_sriov_pf_policy_print()
413 	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_print()
414 	print_guc_policies(p, &gt->sriov.pf.policy.guc);  in xe_gt_sriov_pf_policy_print()
415 	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));  in xe_gt_sriov_pf_policy_print()