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 X-Spam-Level: X-Spam-Status: No, score=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C609DC433DB for ; Tue, 9 Mar 2021 18:29:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9320C64F57 for ; Tue, 9 Mar 2021 18:29:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229805AbhCIS2u (ORCPT ); Tue, 9 Mar 2021 13:28:50 -0500 Received: from mail.kernel.org ([198.145.29.99]:37344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230299AbhCIS2o (ORCPT ); Tue, 9 Mar 2021 13:28:44 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3113F65062; Tue, 9 Mar 2021 18:28:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615314524; bh=sbBBi0k4Wj1FhEimcdyKbTBIxq93UD40dFD1AOESWpQ=; h=From:To:Cc:Subject:Date:From; b=k+pUZDmvfLEiZUNf4jsrZHtCr116WzJyJYcrq1WOPkMhT5ErB2e+9to1Qnv2RPlLf sKYQ7s4WJox92SYbGHmgUrrBEJ5F27Avj3SaIoV41I3bKN61JnK3phffXf3LZRWgWV DCQoP35jzJxZl8m5x1QdvWGhohIPwDEZE7K3UvZVZdpDruSuNZjUEP/lm4vFZ0cQIr eqlDn5IYW0XBNRslIonR/H7LIOJiMQrUo6OSvFUcB4s/U7FxJSsa/nFc4cwA61vKwj DGtP3cWoKQHnQYlthuiQAn0zNBUCczM7H1PH3AjJasjvrwVdeYsBjBTKAHzcFHFrYR EJy+1xiAZS3XQ== From: Oded Gabbay To: linux-kernel@vger.kernel.org Cc: Ofir Bitton Subject: [PATCH 1/2] habanalabs/gaudi: reset device upon BMC request Date: Tue, 9 Mar 2021 20:28:37 +0200 Message-Id: <20210309182838.4641-1-ogabbay@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ofir Bitton In case the BMC of the devices' box wants to initiate a reset of a specific device, it must go through driver. Once driver will receive the request it will initiate a hard reset flow. Signed-off-by: Ofir Bitton Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 4 ++++ drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h | 1 + .../habanalabs/include/gaudi/gaudi_async_ids_map_extended.h | 2 +- 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 8be75f7c97f8..099c51350be6 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -7575,6 +7575,10 @@ static void gaudi_handle_eqe(struct hl_device *hdev, event_type, cause); break; + case GAUDI_EVENT_BMC_RESET_CMD: + gaudi_print_irq_info(hdev, event_type, false); + goto reset_device; + case GAUDI_EVENT_PKT_QUEUE_OUT_SYNC: gaudi_print_irq_info(hdev, event_type, false); gaudi_print_out_of_sync_info(hdev, &eq_entry->pkt_sync_err); diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h b/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h index 0a0fa57024f8..25f835ba2cd6 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h @@ -303,6 +303,7 @@ enum gaudi_async_event_id { GAUDI_EVENT_NIC3_QP1 = 619, GAUDI_EVENT_NIC4_QP0 = 620, GAUDI_EVENT_NIC4_QP1 = 621, + GAUDI_EVENT_BMC_RESET_CMD = 646, GAUDI_EVENT_PKT_QUEUE_OUT_SYNC = 647, GAUDI_EVENT_FIX_POWER_ENV_S = 658, GAUDI_EVENT_FIX_POWER_ENV_E = 659, diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h b/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h index 9106395eb920..079be1fb8f70 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h @@ -670,7 +670,7 @@ static struct gaudi_async_events_ids_map gaudi_irq_map_table[] = { { .fc_id = 643, .cpu_id = 492, .valid = 0, .name = "" }, { .fc_id = 644, .cpu_id = 493, .valid = 0, .name = "" }, { .fc_id = 645, .cpu_id = 494, .valid = 0, .name = "" }, - { .fc_id = 646, .cpu_id = 495, .valid = 0, .name = "" }, + { .fc_id = 646, .cpu_id = 495, .valid = 1, .name = "BMC_RST_CMD" }, { .fc_id = 647, .cpu_id = 496, .valid = 0, .name = "" }, { .fc_id = 648, .cpu_id = 497, .valid = 0, .name = "" }, { .fc_id = 649, .cpu_id = 498, .valid = 0, .name = "" }, -- 2.25.1