From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B1C0CCA48D for ; Mon, 20 Jun 2022 13:14:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345473AbiFTNO2 (ORCPT ); Mon, 20 Jun 2022 09:14:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344163AbiFTNKA (ORCPT ); Mon, 20 Jun 2022 09:10:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBD801C904 for ; Mon, 20 Jun 2022 06:05:08 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A0554615A9 for ; Mon, 20 Jun 2022 13:04:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42549C3411C; Mon, 20 Jun 2022 13:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655730283; bh=16nBY2m/Aj2zdFDS3tCaYV6N0rsguEXFeJBhHKTJaIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z0V8JlbTx5xzjqrt1IQiNRu3vNZ2n/7cafJEdTMfbgQWbvFzUVJAFMJmL0RPYwQsO 2Xj8vhwSAxz+ZDAfSJdNo5maUAfrKludCeMkL7SVwQ1lMjTmSD3VVDEeZNnigTm1HE zfJmIfFPD4hQXpsDueqxyHwzH8ZcKOlAtbtiOZoLYrphnRLaIvpC3yz5bwtjcFj5Pl UeBTkxEpjI/DYK82YDbHwLQirxU6Qji1RMrnYbz1a4EwpUwxAMavUBT+xqs7oJZBGt adqpwgdi8fqEJj+9rZkQAiqoLdVEDzs1UT6dmrRsxdbiW7xXS+8ScOJ8QGIum4v5UV cSIpCypUIyQhg== From: Oded Gabbay To: linux-kernel@vger.kernel.org Cc: Tal Cohen Subject: [PATCH 04/17] habanalabs/gaudi: send device reset notification Date: Mon, 20 Jun 2022 16:04:19 +0300 Message-Id: <20220620130432.1180451-4-ogabbay@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220620130432.1180451-1-ogabbay@kernel.org> References: <20220620130432.1180451-1-ogabbay@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tal Cohen Device reset event, indicates that the device shall be reset - after a short delay. In such case, the driver sends a notification towards the User process. This allows the User process to be able to take several debug actions for system diagnostic purposes. Signed-off-by: Tal Cohen Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 8f37297b2c3b..b7460c30aa51 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -8054,13 +8054,20 @@ static void gaudi_handle_eqe(struct hl_device *hdev, reset_device: reset_required = true; - if (hdev->asic_prop.fw_security_enabled && !reset_direct) + if (hdev->asic_prop.fw_security_enabled && !reset_direct) { flags = HL_DRV_RESET_HARD | HL_DRV_RESET_BYPASS_REQ_TO_FW | fw_fatal_err_flag; - else if (hdev->hard_reset_on_fw_events) + event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET; + } else if (hdev->hard_reset_on_fw_events) { flags = HL_DRV_RESET_HARD | HL_DRV_RESET_DELAY | fw_fatal_err_flag; - else + event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET; + } else { reset_required = false; + } + /* despite reset doesn't execute. a notification on + * occurred event needs to be sent here + */ + hl_notifier_event_send_all(hdev, event_mask); if (reset_required) hl_device_reset(hdev, flags); else -- 2.25.1