drm/xe/xe_gt_tlb_invalidation.c

33 		drm_err(&gt_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d recv=%d",  in xe_gt_tlb_fence_timeout()
49  * xe_gt_tlb_invalidation_init - Initialize GT TLB invalidation state
52  * Initialize GT TLB invalidation state, purely software initialization, should
86  * xe_gt_tlb_invalidation_reset - Initialize GT TLB invalidation reset
89  * Signal any pending invalidation fences, should be called during a GT reset
148 	 * XXX: The seqno algorithm relies on TLB invalidation being processed  in send_tlb_invalidation()
203  * xe_gt_tlb_invalidation_guc - Issue a TLB invalidation on this GT for the GuC
206  * Issue a TLB invalidation for the GuC. Completion of TLB is asynchronous and
225  * xe_gt_tlb_invalidation_vma - Issue a TLB invalidation on this GT for a VMA
227  * @fence: invalidation fence which will be signal on TLB invalidation
231  * Issue a range based TLB invalidation if supported, if not fallback to a full
232  * TLB invalidation. Completion of TLB is asynchronous and caller can either use
233  * the invalidation fence or seqno + xe_gt_tlb_invalidation_wait to wait for
286 		 * Minimum invalidation size for a 2MB page that the hardware  in xe_gt_tlb_invalidation_vma()
316  * Wait for 200ms for a TLB invalidation to complete, in practice we always
317  * should receive the TLB invalidation within 200ms.
319  * Return: 0 on success, -ETIME on TLB invalidation timeout
340 		drm_err(&xe->drm, "gt%d: TLB invalidation time'd out, seqno=%d, recv=%d\n",  in xe_gt_tlb_invalidation_wait()
350  * xe_guc_tlb_invalidation_done_handler - TLB invalidation done handler
352  * @msg: message indicating TLB invalidation done
355  * Parse seqno of TLB invalidation, wake any waiters for seqno, and signal any
356  * invalidation fences for seqno. Algorithm for this depends on seqno being