From patchwork Thu Jul 16 12:36:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11667291 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 65C6617C5 for ; Thu, 16 Jul 2020 12:36:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D55320739 for ; Thu, 16 Jul 2020 12:36:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="SSZM8LIi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728575AbgGPMgs (ORCPT ); Thu, 16 Jul 2020 08:36:48 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:34336 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728126AbgGPMgr (ORCPT ); Thu, 16 Jul 2020 08:36:47 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1594903006; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=O264Dz0AaANcmdQ6ikThBaZdAjsQtDq+N6Xcl0cGgP0=; b=SSZM8LIiB6+MugS8i74b62CFthEF7cqe6ydsrAdblrh4mXittj5xGIL5PgiZyRwcoPmVgYpz soaQoXDNKGdy4XRUpy020YRyDNtcigcS2W1ldN0+pja3+xiUqnJjTNhH2FMtInBf6M9RGsxD 9Ngo9MeZ/92molSY2FrsVDUngRk= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 5f1049def9ca681bd0df30ca (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 16 Jul 2020 12:36:46 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9DC91C433CA; Thu, 16 Jul 2020 12:36:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from blr-ubuntu-253.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9E8BFC43391; Thu, 16 Jul 2020 12:36:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9E8BFC43391 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, evgreen@chromium.org, ohad@wizery.com, Sibi Sankar Subject: [PATCH 1/3] remoteproc: qcom_q6v5_mss: Add modem debug policy support Date: Thu, 16 Jul 2020 18:06:28 +0530 Message-Id: <20200716123630.21892-2-sibis@codeaurora.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200716123630.21892-1-sibis@codeaurora.org> References: <20200716123630.21892-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add modem debug policy support which will enable coredumps and live debug support when the msadp firmware is present on secure devices. Signed-off-by: Sibi Sankar --- drivers/remoteproc/qcom_q6v5_mss.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 13c6d5a72a831..95e21ed607cb9 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -187,6 +187,7 @@ struct q6v5 { phys_addr_t mba_phys; void *mba_region; size_t mba_size; + size_t dp_size; phys_addr_t mpss_phys; phys_addr_t mpss_reloc; @@ -406,6 +407,13 @@ static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, int *current_perm, static int q6v5_load(struct rproc *rproc, const struct firmware *fw) { struct q6v5 *qproc = rproc->priv; + const struct firmware *dp_fw; + + if (!request_firmware(&dp_fw, "msadp", qproc->dev) && fw->size <= SZ_1M) { + memcpy(qproc->mba_region + SZ_1M, dp_fw->data, dp_fw->size); + qproc->dp_size = dp_fw->size; + release_firmware(dp_fw); + } memcpy(qproc->mba_region, fw->data, fw->size); @@ -896,6 +904,10 @@ static int q6v5_mba_load(struct q6v5 *qproc) } writel(qproc->mba_phys, qproc->rmb_base + RMB_MBA_IMAGE_REG); + if (qproc->dp_size) { + writel(qproc->mba_phys + SZ_1M, qproc->rmb_base + RMB_PMI_CODE_START_REG); + writel(qproc->dp_size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); + } ret = q6v5proc_reset(qproc); if (ret) @@ -1258,7 +1270,8 @@ static int q6v5_start(struct rproc *rproc) if (ret) return ret; - dev_info(qproc->dev, "MBA booted, loading mpss\n"); + dev_info(qproc->dev, "MBA booted, debug policy %s, loading mpss\n", + qproc->dp_size ? "enabled" : "disabled"); ret = q6v5_mpss_load(qproc); if (ret) From patchwork Thu Jul 16 12:36:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11667297 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 639DA618 for ; Thu, 16 Jul 2020 12:36:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 459FF20739 for ; Thu, 16 Jul 2020 12:36:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="rEXd9xAw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728611AbgGPMgx (ORCPT ); Thu, 16 Jul 2020 08:36:53 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:23365 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728591AbgGPMgx (ORCPT ); Thu, 16 Jul 2020 08:36:53 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1594903011; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=sflIu4AwEqhFBtCPgCnov73hE7oMHRzwQkJlK9vFROE=; b=rEXd9xAwYIrkEThcvnQ1UR/IbEIuJk7jZWf0RzexxXSXOCh2pUMmroQ1D3QQVdIaAmi0Athb VlFQThnRBLHNTB7fqnRvfAc+YpWXQVaxQR5L7/vvErDVmGXndOY9erLf0Tu3xFo/WngevW7Y QErXclevUYBDPcjRQDeJdlbmlaM= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n14.prod.us-east-1.postgun.com with SMTP id 5f1049e18423214e138c58d2 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 16 Jul 2020 12:36:49 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id EF858C4339C; Thu, 16 Jul 2020 12:36:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from blr-ubuntu-253.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 97761C433CB; Thu, 16 Jul 2020 12:36:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 97761C433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, evgreen@chromium.org, ohad@wizery.com, Sibi Sankar Subject: [PATCH 2/3] remoteproc: qcom_q6v5_mss: Add MBA log extraction support Date: Thu, 16 Jul 2020 18:06:29 +0530 Message-Id: <20200716123630.21892-3-sibis@codeaurora.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200716123630.21892-1-sibis@codeaurora.org> References: <20200716123630.21892-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On SC7180 the MBA firmware stores the bootup text logs in a 4K segment at the beginning of the MBA region. Add support to extract the logs which will be useful to debug mba boot/authentication issues. Signed-off-by: Sibi Sankar --- drivers/remoteproc/qcom_q6v5_mss.c | 41 ++++++++++++++++++++++++++---- 1 file changed, 36 insertions(+), 5 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 95e21ed607cb9..4ddf084b2c6fc 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -37,6 +38,8 @@ #define MPSS_CRASH_REASON_SMEM 421 +#define MBA_LOG_SIZE SZ_4K + /* RMB Status Register Values */ #define RMB_PBL_SUCCESS 0x1 @@ -139,6 +142,7 @@ struct rproc_hexagon_res { int version; bool need_mem_protection; bool has_alt_reset; + bool has_mba_logs; bool has_spare_reg; }; @@ -200,6 +204,7 @@ struct q6v5 { struct qcom_sysmon *sysmon; bool need_mem_protection; bool has_alt_reset; + bool has_mba_logs; bool has_spare_reg; int mpss_perm; int mba_perm; @@ -518,6 +523,19 @@ static int q6v5_rmb_mba_wait(struct q6v5 *qproc, u32 status, int ms) return val; } +static void q6v5_dump_mba_logs(struct q6v5 *qproc) +{ + struct rproc *rproc = qproc->rproc; + void *data; + + data = vmalloc(MBA_LOG_SIZE); + if (!data) + return; + + memcpy(data, qproc->mba_region, MBA_LOG_SIZE); + dev_coredumpv(&rproc->dev, data, MBA_LOG_SIZE, GFP_KERNEL); +} + static int q6v5proc_reset(struct q6v5 *qproc) { u32 val; @@ -838,6 +856,7 @@ static int q6v5_mba_load(struct q6v5 *qproc) { int ret; int xfermemop_ret; + bool mba_load_err = false; qcom_q6v5_prepare(&qproc->q6v5); @@ -931,7 +950,7 @@ static int q6v5_mba_load(struct q6v5 *qproc) q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6); q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem); q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc); - + mba_load_err = true; reclaim_mba: xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true, false, qproc->mba_phys, @@ -939,6 +958,8 @@ static int q6v5_mba_load(struct q6v5 *qproc) if (xfermemop_ret) { dev_err(qproc->dev, "Failed to reclaim mba buffer, system may become unstable\n"); + } else if (qproc->has_mba_logs & mba_load_err) { + q6v5_dump_mba_logs(qproc); } disable_active_clks: @@ -968,7 +989,7 @@ static int q6v5_mba_load(struct q6v5 *qproc) return ret; } -static void q6v5_mba_reclaim(struct q6v5 *qproc) +static void q6v5_mba_reclaim(struct q6v5 *qproc, bool err_path) { int ret; u32 val; @@ -1006,6 +1027,9 @@ static void q6v5_mba_reclaim(struct q6v5 *qproc) qproc->mba_size); WARN_ON(ret); + if (qproc->has_mba_logs && err_path && !ret) + q6v5_dump_mba_logs(qproc); + ret = qcom_q6v5_unprepare(&qproc->q6v5); if (ret) { q6v5_pds_disable(qproc, qproc->proxy_pds, @@ -1255,7 +1279,7 @@ static void qcom_q6v5_dump_segment(struct rproc *rproc, false, true, qproc->mpss_phys, qproc->mpss_size); - q6v5_mba_reclaim(qproc); + q6v5_mba_reclaim(qproc, false); } } } @@ -1297,7 +1321,7 @@ static int q6v5_start(struct rproc *rproc) return 0; reclaim_mpss: - q6v5_mba_reclaim(qproc); + q6v5_mba_reclaim(qproc, true); return ret; } @@ -1313,7 +1337,7 @@ static int q6v5_stop(struct rproc *rproc) if (ret == -ETIMEDOUT) dev_err(qproc->dev, "timed out on wait\n"); - q6v5_mba_reclaim(qproc); + q6v5_mba_reclaim(qproc, false); return 0; } @@ -1717,6 +1741,7 @@ static int q6v5_probe(struct platform_device *pdev) qproc->version = desc->version; qproc->need_mem_protection = desc->need_mem_protection; + qproc->has_mba_logs = desc->has_mba_logs; ret = qcom_q6v5_init(&qproc->q6v5, pdev, rproc, MPSS_CRASH_REASON_SMEM, qcom_msa_handover); @@ -1808,6 +1833,7 @@ static const struct rproc_hexagon_res sc7180_mss = { }, .need_mem_protection = true, .has_alt_reset = false, + .has_mba_logs = true, .has_spare_reg = true, .version = MSS_SC7180, }; @@ -1843,6 +1869,7 @@ static const struct rproc_hexagon_res sdm845_mss = { }, .need_mem_protection = true, .has_alt_reset = true, + .has_mba_logs = true, .has_spare_reg = false, .version = MSS_SDM845, }; @@ -1870,6 +1897,7 @@ static const struct rproc_hexagon_res msm8998_mss = { }, .need_mem_protection = true, .has_alt_reset = false, + .has_mba_logs = false, .has_spare_reg = false, .version = MSS_MSM8998, }; @@ -1900,6 +1928,7 @@ static const struct rproc_hexagon_res msm8996_mss = { }, .need_mem_protection = true, .has_alt_reset = false, + .has_mba_logs = false, .has_spare_reg = false, .version = MSS_MSM8996, }; @@ -1933,6 +1962,7 @@ static const struct rproc_hexagon_res msm8916_mss = { }, .need_mem_protection = false, .has_alt_reset = false, + .has_mba_logs = false, .has_spare_reg = false, .version = MSS_MSM8916, }; @@ -1974,6 +2004,7 @@ static const struct rproc_hexagon_res msm8974_mss = { }, .need_mem_protection = false, .has_alt_reset = false, + .has_mba_logs = false, .has_spare_reg = false, .version = MSS_MSM8974, }; From patchwork Thu Jul 16 12:36:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11667299 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E8A8613B4 for ; Thu, 16 Jul 2020 12:36:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C556020760 for ; Thu, 16 Jul 2020 12:36:56 +0000 (UTC) Authentication-Results: mail.kernel.org; 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spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, evgreen@chromium.org, ohad@wizery.com, Sibi Sankar Subject: [PATCH 3/3] remoteproc: qcom_q6v5_mss: Update MBA log info Date: Thu, 16 Jul 2020 18:06:30 +0530 Message-Id: <20200716123630.21892-4-sibis@codeaurora.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200716123630.21892-1-sibis@codeaurora.org> References: <20200716123630.21892-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Update MBA text logs location/size in IMEM to aid tools extract them after ramdump collection. Signed-off-by: Sibi Sankar --- drivers/remoteproc/qcom_q6v5_mss.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 4ddf084b2c6fc..539594ab955f1 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -932,6 +932,9 @@ static int q6v5_mba_load(struct q6v5 *qproc) if (ret) goto reclaim_mba; + if (qproc->has_mba_logs) + qcom_pil_info_store("mba", qproc->mba_phys, MBA_LOG_SIZE); + ret = q6v5_rmb_mba_wait(qproc, 0, 5000); if (ret == -ETIMEDOUT) { dev_err(qproc->dev, "MBA boot timed out\n");