From nobody Fri Dec 19 09:32:24 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C93C330B50F for ; Tue, 4 Nov 2025 07:36:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762241796; cv=none; b=PLAzYVjAZb1Ap9cwmXy76TxVFglmjmauKPmDeDy3SZ7wlADcxS4IZSgRrVYZHdka/0LB5Wkeb+EIk1vY+FYQmPs8gH/ayaqayOxGTqiRjLhtWHTm7uUdn1661n/TEJTLrZTXPyrYIa/69T+75Gt2h/FUmwT0oACUCo6l46Ia6Ao= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762241796; c=relaxed/simple; bh=iSmU3/X+HtLXbDnGxOipwzxim2WZlEsSp7frdNDuVEY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=T24V4JkBwFJnFP8wkJYFHUQqBTjNYOkEkciAFpQROyUvmxhSO9z5K+7e5cXXOIuHtzw8+KbE8sp3UCK3O9wKDkCO+6U7NVbEWtQSPPN4hZkddPOAc0e0Rcwq7sOedqNmhNdufHHoPGmcleYJv2N18zbO6wyEqZQB1qRWj6DC0+E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=h/9eeHeH; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=IL9hp2fo; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="h/9eeHeH"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="IL9hp2fo" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 5A42ChpW3682841 for ; Tue, 4 Nov 2025 07:36:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= vavCqxPgT/mS8RNiu7Esfm9e/ZvRfzrt7fzsRF3r3Yw=; b=h/9eeHeH0pIDPKsq NtH5FhwFo6+FLQ42zDSmZGZHq+TX+bWRmfSeVCwWa0ANJ8uB3xIvJ8eA5RLgsZgc XIT2/MVC0Wme81JcLW3dBsWIgzyoqgvGMgEBvgpQS/W9MToszKoHt40cjzFZy4yR bX29qtSfFDcphkc6AWIZnItz/rxpkfnRAWlFpkCM9XDOX3iVmACWRsCteyhx/dEV KbVYHKkN4B0lvuKBmXktUmuF/59ej1z5SAKkZZBl+r8f94zITmLlaBUKCgLLhH6e J3ODQvNq0oMykwcFUhbMQZh16ufjZanirpHklUn5DHqplI5i45EMi5zhksgEWrtu 5ds4Mg== Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4a6xjqthqs-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 04 Nov 2025 07:36:33 +0000 (GMT) Received: by mail-pj1-f72.google.com with SMTP id 98e67ed59e1d1-332560b7171so5213098a91.0 for ; Mon, 03 Nov 2025 23:36:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1762241793; x=1762846593; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=vavCqxPgT/mS8RNiu7Esfm9e/ZvRfzrt7fzsRF3r3Yw=; b=IL9hp2foemRLQhzoC/j8+CmtkSVnKZ/NOA5sRA5KRfIyxSChpn9RDVSr3thMDSsUpx HQWybm2u6tsRx6cZKtjMObgFWATHAfzulm8rNWqo+kGLNviecipVTpInc+AGiJJbggF5 RpykoyrmLR0XlydJ0WIiMFuTLjEE5Bxa5+hKkYDLZRbZmynXbLPSiMf4Z93dHyVm0/NV 8ssCRTloVM7y3xk1eH8GiNXMbywfSvijbxHvo5+ZoTmV/izl040/M3sdDa6KyxQYGR/D 0sVh1SHExsc9bh4clmIHSfx0yQpS0ty/AnUXllw4EUXKszEl5ISetumwB3mu9OJo57JF nAPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762241793; x=1762846593; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vavCqxPgT/mS8RNiu7Esfm9e/ZvRfzrt7fzsRF3r3Yw=; b=QR+akft4u0Kzf6h3UuMJGlsWCMHNnLzxI6e40E9qevUNEqHp+XLIa+W1UykLnDbo0U DvaOwuaR8CdzDvH9B5RxGWuggIX7Rg64BlgmSoUHNgaECTOkJM44H/RZPOZ1nQjNYcv0 PhKx2uiYh+zMMQebncvnCknKkYsNY5IZ47WJaXZl0tUU2Ik40uJOoFU3gbudfxoq6CAI qmrst/lwFbeTN+FH3RV+A6RM+IilR6D8D6lvsiha4wrr3h5zGoKej7IO1m/0474NDtXi 0GdeupJIAStk9u+uZWkSxAAXoWZyIohPn3aiU8/HtTqxNtXEWVhg1oNhE3lVnRH63vI4 1aEw== X-Forwarded-Encrypted: i=1; AJvYcCU1dwEyA0BVahzD1a27yjgEULlPlz6av1XIdWSiO6HNH/+HyvT5EKDvI6S4D6T70CNXg7qaODQulFOpnqg=@vger.kernel.org X-Gm-Message-State: AOJu0Yy3sUqD9aq0szZDmnQOn/8D06+EaXYEOdQBcviNz1JEO9Qbe/7R RyAbjSHmf5Zp9XuH5sqoHWzMQCl2kKWUfv/ENYNJunOVtlzYYX3ClwjUfkScT8xIX/uxLbi2aIm 9Rh66riJupeD9ifZTdC0bryr9/CQFHTTzDpaQzvRp57Dy5bc+asPH4ln5FSIxhVNPtJ8= X-Gm-Gg: ASbGncv6VdUmVmNwevZjjFx6nKebee3Z9eKW3OeELD3RWt3sdsn56tatcJ7/07Hdc3Q HUPNCQ5pYLCqjOHD2jFd28FC4la3Nh/ihEcLa6r0nVQnWqY/mqZZo2DOiAjf+QXkflwanpjhLOd oYOm3bx+8ezRAG+0NKcku4NYPlXVISeR/CX0QVSRKNoFpZ8tjUYBd0y0ejoiGf+lG47YyvvyRaY Pq5pSQVAvU3GICqjxeok0qkLjagSl2j3sRH5VwgsMRKAFYCaNekPmM+l6i9m+RL+9T5DYsZsHVI pHFryQz72UpuRH+Ha38MKMsI4ZCjmvikKhtW4sa+WesCCdwXkrQ6pONv36pvOw4IUKxHQp7o7rj M/FQymBYPdWgpuwwyRo3oRMOmHw== X-Received: by 2002:a17:90b:2dc7:b0:341:1a50:2ea9 with SMTP id 98e67ed59e1d1-341718e877bmr2898564a91.16.1762241792343; Mon, 03 Nov 2025 23:36:32 -0800 (PST) X-Google-Smtp-Source: AGHT+IHSrcZj/TqeJdj2ge+mKKhSSdgLaFqWApr9mX6pP2aNG32jQlezJFb7S9/tn3ZslxIM2v+pXA== X-Received: by 2002:a17:90b:2dc7:b0:341:1a50:2ea9 with SMTP id 98e67ed59e1d1-341718e877bmr2898517a91.16.1762241791643; Mon, 03 Nov 2025 23:36:31 -0800 (PST) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3415c8b5cfcsm3484367a91.19.2025.11.03.23.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Nov 2025 23:36:31 -0800 (PST) From: Mukesh Ojha Date: Tue, 04 Nov 2025 13:05:46 +0530 Subject: [PATCH v6 06/14] soc: qcom: mdtloader: Add PAS context aware qcom_mdt_pas_load() function Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251104-kvm_rproc_v6-v6-6-7017b0adc24e@oss.qualcomm.com> References: <20251104-kvm_rproc_v6-v6-0-7017b0adc24e@oss.qualcomm.com> In-Reply-To: <20251104-kvm_rproc_v6-v6-0-7017b0adc24e@oss.qualcomm.com> To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha X-Mailer: b4 0.14-dev-f7c49 X-Developer-Signature: v=1; a=ed25519-sha256; t=1762241765; l=5648; i=mukesh.ojha@oss.qualcomm.com; s=20250708; h=from:subject:message-id; bh=iSmU3/X+HtLXbDnGxOipwzxim2WZlEsSp7frdNDuVEY=; b=YYX+Wk5P+6lFrCsY16XiKCwsUw4ZE6TUdYXhtsBNt15hmlv5BkHHB7zjnS1a1YD8vDJxTH7eS +pWP910klePA62fPYP4BrlEIUrP+Wmh9zb85z5x7JY2WqP9QwT/c336 X-Developer-Key: i=mukesh.ojha@oss.qualcomm.com; a=ed25519; pk=eX8dr/7d4HJz/HEXZIpe3c+Ukopa/wZmxH+5YV3gdNc= X-Proofpoint-GUID: nOFMabVq0aomGHrZrf9HEg6PmgqE27sX X-Proofpoint-ORIG-GUID: nOFMabVq0aomGHrZrf9HEg6PmgqE27sX X-Authority-Analysis: v=2.4 cv=criWUl4i c=1 sm=1 tr=0 ts=6909ad01 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=tZ3jCLSBV7jl1JjQXpgA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTA0MDA2MSBTYWx0ZWRfXx+PcIEOYQvXa KxblAbfuGVLPtJts1Mo5LasaA/Ubv2pSTt1V4QguUn+jrjDjk9Y247auQGDi/5C7SpNKSmK7wa7 CmoucNPOID6qzltTpocCb/oHh2TpPUFzTiS8IZ1GiYFjjwu8OEqEyHnbp3lyMUYobn15wUoK+B7 GqwDKJ+d+ZK9fOl+v6ic8NoTaifYKFHDpIB0OLYoGL3uly3Ck7mO5R7SayhYCgZqJ1fESsdwOnq XUo+HfvNh/sGg0A62nfQ3HCyzpq0q3EXt4E9aHpN3gkmpXcM8VJy2P5UbsyH5KpfNyq5fgNM4Bp oOKqgJ/vmBuigXZ+ytmDrV2Cp3v1U8Vaq2VO+nldmWrQS087JGclpbbSMHmUtaI/HX+jNHQ6Ad1 F8wAz3xOnKnxC3bQ66AtlkBwRycMnw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-03_06,2025-11-03_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 impostorscore=0 clxscore=1015 spamscore=0 suspectscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511040061 Introduce a new PAS context-aware function, qcom_mdt_pas_load(), for remote processor drivers. This function utilizes the PAS context pointer returned from qcom_scm_pas_ctx_init() to perform firmware metadata verification and memory setup via SMC calls. The qcom_mdt_pas_load() and qcom_mdt_load() functions are largely similar, but the former is designed for clients using the PAS context-based data structure. Over time, all users of qcom_mdt_load() can be migrated to use qcom_mdt_pas_load() for consistency and improved abstraction. As the remoteproc PAS driver (qcom_q6v5_pas) has already adopted the PAS context-based approach, update it to use qcom_mdt_pas_load(). Signed-off-by: Mukesh Ojha Reviewed-by: Konrad Dybcio --- drivers/remoteproc/qcom_q6v5_pas.c | 24 +++++------------------- drivers/soc/qcom/mdt_loader.c | 32 ++++++++++++++++++++++++++++++++ include/linux/soc/qcom/mdt_loader.h | 10 ++++++++++ 3 files changed, 47 insertions(+), 19 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q= 6v5_pas.c index 729e7b9bc183..9feee2cb1883 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -239,15 +239,9 @@ static int qcom_pas_load(struct rproc *rproc, const st= ruct firmware *fw) return ret; } =20 - ret =3D qcom_mdt_pas_init(pas->dev, pas->dtb_firmware, pas->dtb_firmware= _name, - pas->dtb_pas_id, pas->dtb_mem_phys, - pas->dtb_pas_ctx); - if (ret) - goto release_dtb_firmware; - - ret =3D qcom_mdt_load_no_init(pas->dev, pas->dtb_firmware, pas->dtb_firm= ware_name, - pas->dtb_mem_region, pas->dtb_mem_phys, - pas->dtb_mem_size, &pas->dtb_mem_reloc); + ret =3D qcom_mdt_pas_load(pas->dtb_pas_ctx, pas->dtb_firmware, + pas->dtb_firmware_name, pas->dtb_mem_region, + &pas->dtb_mem_reloc); if (ret) goto release_dtb_metadata; } @@ -256,8 +250,6 @@ static int qcom_pas_load(struct rproc *rproc, const str= uct firmware *fw) =20 release_dtb_metadata: qcom_scm_pas_metadata_release(pas->dtb_pas_ctx); - -release_dtb_firmware: release_firmware(pas->dtb_firmware); =20 return ret; @@ -305,14 +297,8 @@ static int qcom_pas_start(struct rproc *rproc) } } =20 - ret =3D qcom_mdt_pas_init(pas->dev, pas->firmware, rproc->firmware, pas->= pas_id, - pas->mem_phys, pas->pas_ctx); - if (ret) - goto disable_px_supply; - - ret =3D qcom_mdt_load_no_init(pas->dev, pas->firmware, rproc->firmware, - pas->mem_region, pas->mem_phys, pas->mem_size, - &pas->mem_reloc); + ret =3D qcom_mdt_pas_load(pas->pas_ctx, pas->firmware, rproc->firmware, + pas->mem_region, &pas->mem_reloc); if (ret) goto release_pas_metadata; =20 diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c index fe35038c5342..c868b9c416e6 100644 --- a/drivers/soc/qcom/mdt_loader.c +++ b/drivers/soc/qcom/mdt_loader.c @@ -486,5 +486,37 @@ int qcom_mdt_load_no_init(struct device *dev, const st= ruct firmware *fw, } EXPORT_SYMBOL_GPL(qcom_mdt_load_no_init); =20 +/** + * qcom_mdt_pas_load - Loads and authenticates the metadata of the firmware + * (typically contained in the .mdt file), followed by loading the actual + * firmware segments (e.g., .bXX files). Authentication of the segments do= ne + * by a separate call. + * + * The PAS context must be initialized using qcom_scm_pas_context_init() + * prior to invoking this function. + * + * @ctx: Pointer to the PAS (Peripheral Authentication Service) con= text + * @fw: Firmware object representing the .mdt file + * @firmware: Name of the firmware used to construct segment file names + * @mem_region: Memory region allocated for loading the firmware + * @reloc_base: Physical address adjusted after relocation + * + * Return: 0 on success or a negative error code on failure. + */ +int qcom_mdt_pas_load(struct qcom_scm_pas_context *ctx, const struct firmw= are *fw, + const char *firmware, void *mem_region, phys_addr_t *reloc_base) +{ + int ret; + + ret =3D qcom_mdt_pas_init(ctx->dev, fw, firmware, ctx->pas_id, ctx->mem_p= hys, + ctx); + if (ret) + return ret; + + return __qcom_mdt_load(ctx->dev, fw, firmware, mem_region, ctx->mem_phys, + ctx->mem_size, reloc_base); +} +EXPORT_SYMBOL_GPL(qcom_mdt_pas_load); + MODULE_DESCRIPTION("Firmware parser for Qualcomm MDT format"); MODULE_LICENSE("GPL v2"); diff --git a/include/linux/soc/qcom/mdt_loader.h b/include/linux/soc/qcom/m= dt_loader.h index 07c278841816..7d57746fbbfa 100644 --- a/include/linux/soc/qcom/mdt_loader.h +++ b/include/linux/soc/qcom/mdt_loader.h @@ -23,6 +23,9 @@ int qcom_mdt_load(struct device *dev, const struct firmwa= re *fw, phys_addr_t mem_phys, size_t mem_size, phys_addr_t *reloc_base); =20 +int qcom_mdt_pas_load(struct qcom_scm_pas_context *ctx, const struct firmw= are *fw, + const char *firmware, void *mem_region, phys_addr_t *reloc_base); + int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw, const char *fw_name, void *mem_region, phys_addr_t mem_phys, size_t mem_size, @@ -52,6 +55,13 @@ static inline int qcom_mdt_load(struct device *dev, cons= t struct firmware *fw, return -ENODEV; } =20 +static inline int qcom_mdt_pas_load(struct qcom_scm_pas_context *ctx, + const struct firmware *fw, const char *firmware, + void *mem_region, phys_addr_t *reloc_base) +{ + return -ENODEV; +} + static inline int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw, const char *fw_name, void *mem_region, --=20 2.50.1