From patchwork Fri Jul 21 05:53:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 13321365 X-Patchwork-Delegate: kvalo@adurom.com 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 E5B9EEB64DD for ; Fri, 21 Jul 2023 05:54:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229622AbjGUFyF (ORCPT ); Fri, 21 Jul 2023 01:54:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229925AbjGUFxd (ORCPT ); Fri, 21 Jul 2023 01:53:33 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 954302726 for ; Thu, 20 Jul 2023 22:53:29 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36L5hxVv025121; Fri, 21 Jul 2023 05:53:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=U8LRKtyFT85+iNUIj95aJBRmMti8NyPgBfDddPuni7M=; b=IBUbuoeedrq5pSyRIpBgvFIuWKWumJBpRBiBuexFPOSqAoIR5yP9odWXROtEsNON+VU0 itruSyA3mK3nZxKSIf1+F9ci11wc3Gul23i1LJNbof6od7biUEd/1vO7mIdnBD/OIDwQ xs/o5ha5w/JjLDvwIPNZWB0Iztyak/fg1Xkd2JFYrrkuvjNAqAtIbl5XOl/kQbFj/6yD RG7LgfDX7m3o91zjYvNt02rJ57+/VKLZl2D+T1gvHn5UXpRF9GkdkIr8r3Ei0ljKoAA3 1AAsd8swQyIYruG1TMgjI91oGhDcmLoI6nZJp36X8GK1E8LK3R/PCR9GLcFkXf2GzZrW yw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ry3y1j8w6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 05:53:22 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L5rM6r030451 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 05:53:22 GMT Received: from wgong-HP3-Z230-SFF-Workstation.qca.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 22:53:20 -0700 From: Wen Gong To: CC: , Subject: [PATCH v2 1/3] wifi: ath12k: configure RDDM size to MHI for device recovery Date: Fri, 21 Jul 2023 01:53:03 -0400 Message-ID: <20230721055305.20420-2-quic_wgong@quicinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230721055305.20420-1-quic_wgong@quicinc.com> References: <20230721055305.20420-1-quic_wgong@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: mczhhKezgGF5BIZhjJMRX8aa0MdX3hN5 X-Proofpoint-ORIG-GUID: mczhhKezgGF5BIZhjJMRX8aa0MdX3hN5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_02,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 spamscore=0 priorityscore=1501 mlxlogscore=835 bulkscore=0 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210052 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org RDDM is RAM DUMP DEBUG module, it is used to debug issues when firmware encounters an error. The rddm_size is needed by firmware while MHI enter RDDM state. Add it to support device recovery when ath12k receive MHI_CB_EE_RDDM message. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Wen Gong --- drivers/net/wireless/ath/ath12k/hw.c | 3 +++ drivers/net/wireless/ath/ath12k/hw.h | 1 + drivers/net/wireless/ath/ath12k/mhi.c | 1 + 3 files changed, 5 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 5991cc91cd00..c69cfca67f7d 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -907,6 +907,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .hal_ops = &hal_qcn9274_ops, .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + .rddm_size = 0, }, { .name = "wcn7850 hw2.0", @@ -964,6 +965,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01) | BIT(CNSS_PCIE_PERST_NO_PULL_V01), + .rddm_size = 0x780000, }, { .name = "qcn9274 hw2.0", @@ -1019,6 +1021,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .hal_ops = &hal_qcn9274_ops, .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + .rddm_size = 0, }, }; diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index e6c4223c283c..7d82b76ad021 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -186,6 +186,7 @@ struct ath12k_hw_params { const struct hal_ops *hal_ops; u64 qmi_cnss_feature_bitmap; + u32 rddm_size; }; struct ath12k_hw_ops { diff --git a/drivers/net/wireless/ath/ath12k/mhi.c b/drivers/net/wireless/ath/ath12k/mhi.c index 42f1140baa4f..91b2abf6da44 100644 --- a/drivers/net/wireless/ath/ath12k/mhi.c +++ b/drivers/net/wireless/ath/ath12k/mhi.c @@ -366,6 +366,7 @@ int ath12k_mhi_register(struct ath12k_pci *ab_pci) mhi_ctrl->fw_image = ab_pci->amss_path; mhi_ctrl->regs = ab->mem; mhi_ctrl->reg_len = ab->mem_len; + mhi_ctrl->rddm_size = ab->hw_params->rddm_size; ret = ath12k_mhi_get_msi(ab_pci); if (ret) { From patchwork Fri Jul 21 05:53:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 13321364 X-Patchwork-Delegate: kvalo@adurom.com 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 E771AC0015E for ; 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Thu, 20 Jul 2023 22:53:22 -0700 From: Wen Gong To: CC: , Subject: [PATCH v2 2/3] wifi: ath12k: add ath12k_qmi_free_resource() for recovery Date: Fri, 21 Jul 2023 01:53:04 -0400 Message-ID: <20230721055305.20420-3-quic_wgong@quicinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230721055305.20420-1-quic_wgong@quicinc.com> References: <20230721055305.20420-1-quic_wgong@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: yiOdX0B4HllXqzZI0eElLCkV-OJJeQSC X-Proofpoint-ORIG-GUID: yiOdX0B4HllXqzZI0eElLCkV-OJJeQSC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_02,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 spamscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210052 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath12k_qmi_free_target_mem_chunk() and ath12k_qmi_m3_free() is static in qmi.c, they are needed for recovery, export them in a new function Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Wen Gong --- drivers/net/wireless/ath/ath12k/core.c | 1 + drivers/net/wireless/ath/ath12k/qmi.c | 6 ++++++ drivers/net/wireless/ath/ath12k/qmi.h | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 3df8059d5512..85e49f9ff4c4 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -839,6 +839,7 @@ static void ath12k_core_reset(struct work_struct *work) ATH12K_RECOVER_START_TIMEOUT_HZ); ath12k_hif_power_down(ab); + ath12k_qmi_free_resource(ab); ath12k_hif_power_up(ab); ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset started\n"); diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 4afba76b90fe..d0da9b63a114 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -3089,3 +3089,9 @@ void ath12k_qmi_deinit_service(struct ath12k_base *ab) ath12k_qmi_m3_free(ab); ath12k_qmi_free_target_mem_chunk(ab); } + +void ath12k_qmi_free_resource(struct ath12k_base *ab) +{ + ath12k_qmi_free_target_mem_chunk(ab); + ath12k_qmi_m3_free(ab); +} diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index df76149c49f5..6d4a5ab72d45 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -566,5 +566,6 @@ void ath12k_qmi_event_work(struct work_struct *work); void ath12k_qmi_msg_recv_work(struct work_struct *work); void ath12k_qmi_deinit_service(struct ath12k_base *ab); int ath12k_qmi_init_service(struct ath12k_base *ab); +void ath12k_qmi_free_resource(struct ath12k_base *ab); #endif From patchwork Fri Jul 21 05:53:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 13321366 X-Patchwork-Delegate: kvalo@adurom.com 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 33028C001DE for ; Fri, 21 Jul 2023 05:54:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229643AbjGUFyG (ORCPT ); Fri, 21 Jul 2023 01:54:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229934AbjGUFxd (ORCPT ); Fri, 21 Jul 2023 01:53:33 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DA0E30F5 for ; 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Fri, 21 Jul 2023 05:53:26 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L5rOYl030475 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 05:53:24 GMT Received: from wgong-HP3-Z230-SFF-Workstation.qca.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 22:53:23 -0700 From: Wen Gong To: CC: , Subject: [PATCH v2 3/3] wifi: ath12k: fix invalid m3 buffer address Date: Fri, 21 Jul 2023 01:53:05 -0400 Message-ID: <20230721055305.20420-4-quic_wgong@quicinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230721055305.20420-1-quic_wgong@quicinc.com> References: <20230721055305.20420-1-quic_wgong@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: HM8_rx67pTHS7w-S79YuzQyRReR09u8r X-Proofpoint-ORIG-GUID: HM8_rx67pTHS7w-S79YuzQyRReR09u8r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_02,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=803 malwarescore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 bulkscore=0 spamscore=0 priorityscore=1501 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210052 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is to fix m3 buffer reuse issue as m3_mem->size isn't set to ZERO in free function, which leads invalid m3 downloading to firmware and firmware crashed. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Wen Gong --- drivers/net/wireless/ath/ath12k/qmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index d0da9b63a114..edc45d78b5d5 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2535,6 +2535,7 @@ static void ath12k_qmi_m3_free(struct ath12k_base *ab) dma_free_coherent(ab->dev, m3_mem->size, m3_mem->vaddr, m3_mem->paddr); m3_mem->vaddr = NULL; + m3_mem->size = 0; } static int ath12k_qmi_wlanfw_m3_info_send(struct ath12k_base *ab)