From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A7CDDA0613 for ; Fri, 30 Aug 2019 18:37:05 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2FCD21E9C1; Fri, 30 Aug 2019 18:36:06 +0200 (CEST) Received: from rnd-relay.smtp.broadcom.com (rnd-relay.smtp.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id 540541E986 for ; Fri, 30 Aug 2019 18:35:48 +0200 (CEST) Received: from nis-sj1-27.broadcom.com (nis-sj1-27.lvn.broadcom.net [10.75.144.136]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id B1C1630C05D; Fri, 30 Aug 2019 09:35:40 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com B1C1630C05D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1567182940; bh=YCnrz4SZgpymJY4B0nKp1OdNMtgAsLhX02xxE1NSLEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CWlnXBIdJDPatKRBVZGJ52s1RjtdW4QeNNNVvSUS8LXExCThr1ot45oMY5vaCVy2X Ef6ZZ/pMn66p9hGtzmJ+JY4cYkPGZb8gFrqZyZsPTE745g5Kx/hGEAc6dkK+9A/Uu/ +/C+Pz2E864Gz8UZI8qCkiCeIYKHvt7KGyrrr07o= Received: from localhost.localdomain (unknown [10.230.30.225]) by nis-sj1-27.broadcom.com (Postfix) with ESMTP id 44596AC071D; Fri, 30 Aug 2019 09:35:42 -0700 (PDT) From: Ajit Khaparde To: dev@dpdk.org Cc: ferruh.yigit@intel.com, Kalesh AP , Somnath Kotur Date: Fri, 30 Aug 2019 09:35:29 -0700 Message-Id: <20190830163537.32704-6-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: <20190830163537.32704-1-ajit.khaparde@broadcom.com> References: <2a851a62-f5a1-7061-edb4-412db0d335ce@intel.com> <20190830163537.32704-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v2 05/13] net/bnxt: handle fatal event from FW under error conditions X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Kalesh AP When firmware hit some unrecoverable error conditions, firmware initiate the recovery by sending an async event EVENT_CMPL_EVENT_ID_RESET_NOTIFY with data1 set to RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL to all host drivers and will reset the chip. The recovery procedure is same sequence as the one for hot FW upgrade. Signed-off-by: Kalesh AP Reviewed-by: Somnath Kotur Reviewed-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_cpr.c | 13 +++++++++++-- drivers/net/bnxt/bnxt_cpr.h | 5 +++++ drivers/net/bnxt/bnxt_ethdev.c | 3 +++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c index 62a16d2ed..0b2eeef8f 100644 --- a/drivers/net/bnxt/bnxt_cpr.c +++ b/drivers/net/bnxt/bnxt_cpr.c @@ -21,6 +21,7 @@ void bnxt_handle_async_event(struct bnxt *bp, struct hwrm_async_event_cmpl *async_cmp = (struct hwrm_async_event_cmpl *)cmp; uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id); + uint32_t event_data; /* TODO: HWRM async events are not defined yet */ /* Needs to handle: link events, error events, etc. */ @@ -42,6 +43,7 @@ void bnxt_handle_async_event(struct bnxt *bp, PMD_DRV_LOG(INFO, "Port conn async event\n"); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: + event_data = rte_le_to_cpu_32(async_cmp->event_data1); /* timestamp_lo/hi values are in units of 100ms */ bp->fw_reset_max_msecs = async_cmp->timestamp_hi ? rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 : @@ -49,8 +51,15 @@ void bnxt_handle_async_event(struct bnxt *bp, bp->fw_reset_min_msecs = async_cmp->timestamp_lo ? async_cmp->timestamp_lo * 100 : BNXT_MIN_FW_READY_TIMEOUT; - PMD_DRV_LOG(INFO, - "Firmware non-fatal reset event received\n"); + if ((event_data & EVENT_DATA1_REASON_CODE_MASK) == + EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) { + PMD_DRV_LOG(INFO, + "Firmware fatal reset event received\n"); + bp->flags |= BNXT_FLAG_FATAL_ERROR; + } else { + PMD_DRV_LOG(INFO, + "Firmware non-fatal reset event received\n"); + } bp->flags |= BNXT_FLAG_FW_RESET; rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume, diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h index f48293b96..b61bafa0e 100644 --- a/drivers/net/bnxt/bnxt_cpr.h +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -108,4 +108,9 @@ void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp); int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp); void bnxt_dev_reset_and_resume(void *arg); +#define EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL \ + HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL +#define EVENT_DATA1_REASON_CODE_MASK \ + HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK + #endif diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 385492db5..a917e0440 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -3512,6 +3512,9 @@ static void bnxt_dev_recover(void *arg) int timeout = bp->fw_reset_max_msecs; int rc = 0; + /* Clear Error flag so that device re-init should happen */ + bp->flags &= ~BNXT_FLAG_FATAL_ERROR; + do { rc = bnxt_hwrm_ver_get(bp); if (rc == 0) -- 2.20.1 (Apple Git-117)