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Wed, 31 Jan 2024 11:09:29 GMT Received: from hu-mojha-hyd.qualcomm.com (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 31 Jan 2024 03:09:19 -0800 From: Mukesh Ojha To: , , , , , , , , , , , , , , , CC: , , , , , , , , , Subject: [PATCH v8 04/10] remoteproc: qcom: Remove minidump related data from qcom_common.c Date: Wed, 31 Jan 2024 16:38:31 +0530 Message-ID: <20240131110837.14218-5-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.43.0.254.ga26002b62827 In-Reply-To: <20240131110837.14218-1-quic_mojha@quicinc.com> References: <20240131110837.14218-1-quic_mojha@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: cu3UllgvNBO3Ic-c6PnZGOvUnNYfmNwN X-Proofpoint-ORIG-GUID: cu3UllgvNBO3Ic-c6PnZGOvUnNYfmNwN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-31_06,2024-01-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 adultscore=0 suspectscore=0 impostorscore=0 mlxscore=0 spamscore=0 mlxlogscore=999 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401310085 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789604959355959915 X-GMAIL-MSGID: 1789604959355959915 As minidump specific data structure and functions move under config QCOM_RPROC_MINIDUMP, so remove minidump specific data from driver/remoteproc/qcom_common.c . Signed-off-by: Mukesh Ojha --- drivers/remoteproc/qcom_common.c | 160 ------------------------------- 1 file changed, 160 deletions(-) diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c index 03e5f5d533eb..085fd73fa23a 100644 --- a/drivers/remoteproc/qcom_common.c +++ b/drivers/remoteproc/qcom_common.c @@ -17,7 +17,6 @@ #include #include #include -#include #include "remoteproc_internal.h" #include "qcom_common.h" @@ -26,61 +25,6 @@ #define to_smd_subdev(d) container_of(d, struct qcom_rproc_subdev, subdev) #define to_ssr_subdev(d) container_of(d, struct qcom_rproc_ssr, subdev) -#define MAX_NUM_OF_SS 10 -#define MAX_REGION_NAME_LENGTH 16 -#define SBL_MINIDUMP_SMEM_ID 602 -#define MINIDUMP_REGION_VALID ('V' << 24 | 'A' << 16 | 'L' << 8 | 'I' << 0) -#define MINIDUMP_SS_ENCR_DONE ('D' << 24 | 'O' << 16 | 'N' << 8 | 'E' << 0) -#define MINIDUMP_SS_ENABLED ('E' << 24 | 'N' << 16 | 'B' << 8 | 'L' << 0) - -/** - * struct minidump_region - Minidump region - * @name : Name of the region to be dumped - * @seq_num: : Use to differentiate regions with same name. - * @valid : This entry to be dumped (if set to 1) - * @address : Physical address of region to be dumped - * @size : Size of the region - */ -struct minidump_region { - char name[MAX_REGION_NAME_LENGTH]; - __le32 seq_num; - __le32 valid; - __le64 address; - __le64 size; -}; - -/** - * struct minidump_subsystem - Subsystem's SMEM Table of content - * @status : Subsystem toc init status - * @enabled : if set to 1, this region would be copied during coredump - * @encryption_status: Encryption status for this subsystem - * @encryption_required : Decides to encrypt the subsystem regions or not - * @region_count : Number of regions added in this subsystem toc - * @regions_baseptr : regions base pointer of the subsystem - */ -struct minidump_subsystem { - __le32 status; - __le32 enabled; - __le32 encryption_status; - __le32 encryption_required; - __le32 region_count; - __le64 regions_baseptr; -}; - -/** - * struct minidump_global_toc - Global Table of Content - * @status : Global Minidump init status - * @md_revision : Minidump revision - * @enabled : Minidump enable status - * @subsystems : Array of subsystems toc - */ -struct minidump_global_toc { - __le32 status; - __le32 md_revision; - __le32 enabled; - struct minidump_subsystem subsystems[MAX_NUM_OF_SS]; -}; - struct qcom_ssr_subsystem { const char *name; struct srcu_notifier_head notifier_list; @@ -90,110 +34,6 @@ struct qcom_ssr_subsystem { static LIST_HEAD(qcom_ssr_subsystem_list); static DEFINE_MUTEX(qcom_ssr_subsys_lock); -static void qcom_minidump_cleanup(struct rproc *rproc) -{ - struct rproc_dump_segment *entry, *tmp; - - list_for_each_entry_safe(entry, tmp, &rproc->dump_segments, node) { - list_del(&entry->node); - kfree(entry->priv); - kfree(entry); - } -} - -static int qcom_add_minidump_segments(struct rproc *rproc, struct minidump_subsystem *subsystem, - void (*rproc_dumpfn_t)(struct rproc *rproc, struct rproc_dump_segment *segment, - void *dest, size_t offset, size_t size)) -{ - struct minidump_region __iomem *ptr; - struct minidump_region region; - int seg_cnt, i; - dma_addr_t da; - size_t size; - char *name; - - if (WARN_ON(!list_empty(&rproc->dump_segments))) { - dev_err(&rproc->dev, "dump segment list already populated\n"); - return -EUCLEAN; - } - - seg_cnt = le32_to_cpu(subsystem->region_count); - ptr = ioremap((unsigned long)le64_to_cpu(subsystem->regions_baseptr), - seg_cnt * sizeof(struct minidump_region)); - if (!ptr) - return -EFAULT; - - for (i = 0; i < seg_cnt; i++) { - memcpy_fromio(®ion, ptr + i, sizeof(region)); - if (le32_to_cpu(region.valid) == MINIDUMP_REGION_VALID) { - name = kstrndup(region.name, MAX_REGION_NAME_LENGTH - 1, GFP_KERNEL); - if (!name) { - iounmap(ptr); - return -ENOMEM; - } - da = le64_to_cpu(region.address); - size = le64_to_cpu(region.size); - rproc_coredump_add_custom_segment(rproc, da, size, rproc_dumpfn_t, name); - } - } - - iounmap(ptr); - return 0; -} - -void qcom_minidump(struct rproc *rproc, unsigned int minidump_id, - void (*rproc_dumpfn_t)(struct rproc *rproc, - struct rproc_dump_segment *segment, void *dest, size_t offset, - size_t size)) -{ - int ret; - struct minidump_subsystem *subsystem; - struct minidump_global_toc *toc; - - /* Get Global minidump ToC*/ - toc = qcom_smem_get(QCOM_SMEM_HOST_ANY, SBL_MINIDUMP_SMEM_ID, NULL); - - /* check if global table pointer exists and init is set */ - if (IS_ERR(toc) || !toc->status) { - dev_err(&rproc->dev, "Minidump TOC not found in SMEM\n"); - return; - } - - /* Get subsystem table of contents using the minidump id */ - subsystem = &toc->subsystems[minidump_id]; - - /** - * Collect minidump if SS ToC is valid and segment table - * is initialized in memory and encryption status is set. - */ - if (subsystem->regions_baseptr == 0 || - le32_to_cpu(subsystem->status) != 1 || - le32_to_cpu(subsystem->enabled) != MINIDUMP_SS_ENABLED) { - return rproc_coredump(rproc); - } - - if (le32_to_cpu(subsystem->encryption_status) != MINIDUMP_SS_ENCR_DONE) { - dev_err(&rproc->dev, "Minidump not ready, skipping\n"); - return; - } - - /** - * Clear out the dump segments populated by parse_fw before - * re-populating them with minidump segments. - */ - rproc_coredump_cleanup(rproc); - - ret = qcom_add_minidump_segments(rproc, subsystem, rproc_dumpfn_t); - if (ret) { - dev_err(&rproc->dev, "Failed with error: %d while adding minidump entries\n", ret); - goto clean_minidump; - } - rproc_coredump_using_sections(rproc); -clean_minidump: - qcom_minidump_cleanup(rproc); -} -EXPORT_SYMBOL_GPL(qcom_minidump); - static int glink_subdev_start(struct rproc_subdev *subdev) { struct qcom_rproc_glink *glink = to_glink_subdev(subdev);