From patchwork Thu Sep 3 02:51:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gurbir Arora X-Patchwork-Id: 11752195 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 F36C814E5 for ; Thu, 3 Sep 2020 02:52:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2ABF2072A for ; Thu, 3 Sep 2020 02:52:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726586AbgICCv7 (ORCPT ); Wed, 2 Sep 2020 22:51:59 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:34054 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbgICCv7 (ORCPT ); Wed, 2 Sep 2020 22:51:59 -0400 Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: from th-lint-039.qualcomm.com ([10.63.179.124]) by ironmsg01-sd.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: by th-lint-039.qualcomm.com (Postfix, from userid 2383757) id 532621B65; Wed, 2 Sep 2020 19:51:58 -0700 (PDT) From: Gurbir Arora To: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, tsoni@codeaurora.org, psodagud@codeaurora.org, sidgup@codeaurora.org, rishabhb@codeaurora.org, Gurbir Arora Subject: [PATCH v2 1/3] remoteproc: core: Add multiple components to remoteproc ops Date: Wed, 2 Sep 2020 19:51:54 -0700 Message-Id: <1599101516-243760-2-git-send-email-gurbaror@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> References: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Each remoteproc might have different requirements for coredumps and might want to choose the type of dumps it wants to collect. This change allows remoteproc drivers to specify their own custom dump function to be executed in place of rproc_coredump. If the coredump op is not specified by the remoteproc driver it will be set to rproc_coredump by default.The priv_cleanup op cleans up the private resources used by the remoteproc. Signed-off-by: Rishabh Bhatnagar Signed-off-by: Siddharth Gupta Signed-off-by: Gurbir Arora --- drivers/remoteproc/remoteproc_core.c | 6 +++++- include/linux/remoteproc.h | 4 ++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 7f90eee..dcc1341 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1681,7 +1681,7 @@ int rproc_trigger_recovery(struct rproc *rproc) goto unlock_mutex; /* generate coredump */ - rproc_coredump(rproc); + rproc->ops->coredump(rproc); /* load firmware */ ret = request_firmware(&firmware_p, rproc->firmware, dev); @@ -2103,6 +2103,10 @@ static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops) if (!rproc->ops) return -ENOMEM; + /* Default to rproc_coredump if no coredump function is specified */ + if (!rproc->ops->coredump) + rproc->ops->coredump = rproc_coredump; + if (rproc->ops->load) return 0; diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 2fa68bf..747d7e3 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -373,8 +373,10 @@ enum rsc_handling_status { * expects to find it * @sanity_check: sanity check the fw image * @get_boot_addr: get boot address to entry point specified in firmware + * @coredump: collect firmware dump after the subsystem is shutdown * @panic: optional callback to react to system panic, core will delay * panic at least the returned number of milliseconds + * @priv_cleanup: cleans up the private resources used by the rproc */ struct rproc_ops { int (*prepare)(struct rproc *rproc); @@ -392,7 +394,9 @@ struct rproc_ops { int (*load)(struct rproc *rproc, const struct firmware *fw); int (*sanity_check)(struct rproc *rproc, const struct firmware *fw); u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw); + void (*coredump)(struct rproc *rproc); unsigned long (*panic)(struct rproc *rproc); + void (*priv_cleanup)(struct rproc *rproc); }; /** From patchwork Thu Sep 3 02:51:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gurbir Arora X-Patchwork-Id: 11752201 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 A4C45138A for ; Thu, 3 Sep 2020 02:52:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 860B120E65 for ; Thu, 3 Sep 2020 02:52:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726586AbgICCwO (ORCPT ); Wed, 2 Sep 2020 22:52:14 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:34054 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727996AbgICCwC (ORCPT ); Wed, 2 Sep 2020 22:52:02 -0400 Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: from th-lint-039.qualcomm.com ([10.63.179.124]) by ironmsg04-sd.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: by th-lint-039.qualcomm.com (Postfix, from userid 2383757) id 58F2A1B6B; Wed, 2 Sep 2020 19:51:58 -0700 (PDT) From: Gurbir Arora To: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, tsoni@codeaurora.org, psodagud@codeaurora.org, sidgup@codeaurora.org, rishabhb@codeaurora.org, Gurbir Arora Subject: [PATCH v2 2/3] remoteproc: qcom: Add capability to collect minidumps Date: Wed, 2 Sep 2020 19:51:55 -0700 Message-Id: <1599101516-243760-3-git-send-email-gurbaror@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> References: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org This patch adds support for collecting minidump in the event of remoteproc crash. Parse the minidump table based on remoteproc's unique minidump-id, read all memory regions from the remoteproc's minidump table entry and expose the memory to userspace. The remoteproc platform driver can choose to collect a full/mini dump by specifying the coredump op. Signed-off-by: Rishabh Bhatnagar Signed-off-by: Gurbir Arora Reported-by: kernel test robot Reported-by: kernel test robot --- drivers/remoteproc/qcom_minidump.h | 64 +++++++++ drivers/remoteproc/qcom_q6v5_pas.c | 36 ++++- drivers/remoteproc/remoteproc_coredump.c | 202 +++++++++++++++++++++++++++- drivers/remoteproc/remoteproc_elf_helpers.h | 27 ++++ drivers/remoteproc/remoteproc_internal.h | 1 + 5 files changed, 327 insertions(+), 3 deletions(-) create mode 100644 drivers/remoteproc/qcom_minidump.h diff --git a/drivers/remoteproc/qcom_minidump.h b/drivers/remoteproc/qcom_minidump.h new file mode 100644 index 0000000..437e030 --- /dev/null +++ b/drivers/remoteproc/qcom_minidump.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2020, The Linux Foundation. All rights reserved. + */ + +#ifndef __QCOM_MINIDUMP_H +#define __QCOM_MINIDUMP_H + +#define MAX_NUM_OF_SS 10 +#define MAX_REGION_NAME_LENGTH 16 +#define SBL_MINIDUMP_SMEM_ID 602 +#define MD_REGION_VALID ('V' << 24 | 'A' << 16 | 'L' << 8 | 'I' << 0) +#define MD_SS_ENCR_DONE ('D' << 24 | 'O' << 16 | 'N' << 8 | 'E' << 0) +#define MD_SS_ENABLED ('E' << 24 | 'N' << 16 | 'B' << 8 | 'L' << 0) + +/** + * md_ss_region - Minidump region + * @name : Name of the region to be dumped + * @seq_num: : Use to differentiate regions with same name. + * @md_valid : This entry to be dumped (if set to 1) + * @region_base_address : Physical address of region to be dumped + * @region_size : Size of the region + */ +struct md_ss_region { + char name[MAX_REGION_NAME_LENGTH]; + u32 seq_num; + u32 md_valid; + u64 region_base_address; + u64 region_size; +}; + +/** + * md_ss_toc: Subsystem's SMEM Table of content + * @md_ss_toc_init : Subsystem toc init status + * @md_ss_enable_status : 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 + * @ss_region_count : Number of regions added in this subsystem toc + * @md_ss_smem_regions_baseptr : regions base pointer of the subsystem + */ +struct md_ss_toc { + u32 md_ss_toc_init; + u32 md_ss_enable_status; + u32 encryption_status; + u32 encryption_required; + u32 ss_region_count; + u64 md_ss_smem_regions_baseptr; +}; + +/** + * md_global_toc: Global Table of Content + * @md_toc_init : Global Minidump init status + * @md_revision : Minidump revision + * @md_enable_status : Minidump enable status + * @md_ss_toc : Array of subsystems toc + */ +struct md_global_toc { + u32 md_toc_init; + u32 md_revision; + u32 md_enable_status; + struct md_ss_toc md_ss_toc[MAX_NUM_OF_SS]; +}; + +#endif diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 3837f23..19873d1 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -33,6 +33,7 @@ struct adsp_data { int crash_reason_smem; const char *firmware_name; int pas_id; + unsigned int minidump_id; bool has_aggre2_clk; bool auto_boot; @@ -63,6 +64,7 @@ struct qcom_adsp { int proxy_pd_count; int pas_id; + unsigned int minidump_id; int crash_reason_smem; bool has_aggre2_clk; const char *info_name; @@ -116,6 +118,21 @@ static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds, } } +static void adsp_dump(struct rproc *rproc) +{ + struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; + + qcom_rproc_minidump(rproc, adsp->minidump_id); +} + +void adsp_priv_cleanup(struct rproc *rproc) +{ + struct rproc_dump_segment *segment; + + list_for_each_entry(segment, &rproc->dump_segments, node) + kfree(segment->priv); +} + static int adsp_load(struct rproc *rproc, const struct firmware *fw) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; @@ -258,6 +275,15 @@ static const struct rproc_ops adsp_ops = { .panic = adsp_panic, }; +static const struct rproc_ops adsp_minidump_ops = { + .start = adsp_start, + .stop = adsp_stop, + .da_to_va = adsp_da_to_va, + .load = adsp_load, + .coredump = adsp_dump, + .priv_cleanup = adsp_priv_cleanup, +}; + static int adsp_init_clock(struct qcom_adsp *adsp) { int ret; @@ -398,8 +424,13 @@ static int adsp_probe(struct platform_device *pdev) if (ret < 0 && ret != -EINVAL) return ret; - rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops, - fw_name, sizeof(*adsp)); + if (desc->minidump_id) + rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_minidump_ops, fw_name, + sizeof(*adsp)); + else + rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops, fw_name, + sizeof(*adsp)); + if (!rproc) { dev_err(&pdev->dev, "unable to allocate remoteproc\n"); return -ENOMEM; @@ -411,6 +442,7 @@ static int adsp_probe(struct platform_device *pdev) adsp = (struct qcom_adsp *)rproc->priv; adsp->dev = &pdev->dev; adsp->rproc = rproc; + adsp->minidump_id = desc->minidump_id; adsp->pas_id = desc->pas_id; adsp->has_aggre2_clk = desc->has_aggre2_clk; adsp->info_name = desc->sysmon_name; diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c index bb15a29..c7b779b 100644 --- a/drivers/remoteproc/remoteproc_coredump.c +++ b/drivers/remoteproc/remoteproc_coredump.c @@ -12,6 +12,11 @@ #include #include "remoteproc_internal.h" #include "remoteproc_elf_helpers.h" +#include +#include "qcom_minidump.h" + +static struct md_global_toc *g_md_toc; +#define MAX_STRTBL_SIZE 512 struct rproc_coredump_state { struct rproc *rproc; @@ -20,13 +25,15 @@ struct rproc_coredump_state { }; /** - * rproc_coredump_cleanup() - clean up dump_segments list * @rproc: the remote processor handle */ void rproc_coredump_cleanup(struct rproc *rproc) { struct rproc_dump_segment *entry, *tmp; + if (rproc->ops->priv_cleanup) + rproc->ops->priv_cleanup(rproc); + list_for_each_entry_safe(entry, tmp, &rproc->dump_segments, node) { list_del(&entry->node); kfree(entry); @@ -323,3 +330,196 @@ void rproc_coredump(struct rproc *rproc) */ wait_for_completion(&dump_state.dump_done); } + +static void do_rproc_minidump(struct rproc *rproc) +{ + struct rproc_dump_segment *segment; + void *shdr; + void *ehdr; + size_t data_size; + size_t offset; + void *data; + u8 class = rproc->elf_class; + int shnum; + struct rproc_coredump_state dump_state; + unsigned int dump_conf = rproc->dump_conf; + char *str_tbl = "STR_TBL"; + + if (list_empty(&rproc->dump_segments) || + dump_conf == RPROC_COREDUMP_DISABLED) + return; + + if (class == ELFCLASSNONE) { + dev_err(&rproc->dev, "Elf class is not set\n"); + return; + } + + /* + * We allocate two extra section headers. The first one is null. + * Second section header is for the string table. Also space is + * allocated for string table. + */ + data_size = elf_size_of_hdr(class) + 2 * elf_size_of_shdr(class) + + MAX_STRTBL_SIZE; + shnum = 2; + + list_for_each_entry(segment, &rproc->dump_segments, node) { + data_size += elf_size_of_shdr(class); + if (dump_conf == RPROC_COREDUMP_DEFAULT) + data_size += segment->size; + shnum++; + } + + data = vmalloc(data_size); + if (!data) + return; + + ehdr = data; + memset(ehdr, 0, elf_size_of_hdr(class)); + /* e_ident field is common for both elf32 and elf64 */ + elf_hdr_init_ident(ehdr, class); + + elf_hdr_set_e_type(class, ehdr, ET_CORE); + elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine); + elf_hdr_set_e_version(class, ehdr, EV_CURRENT); + elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr); + elf_hdr_set_e_shoff(class, ehdr, elf_size_of_hdr(class)); + elf_hdr_set_e_ehsize(class, ehdr, elf_size_of_hdr(class)); + elf_hdr_set_e_shentsize(class, ehdr, elf_size_of_shdr(class)); + elf_hdr_set_e_shnum(class, ehdr, shnum); + elf_hdr_set_e_shstrndx(class, ehdr, 1); + + /* Set the first section header as null and move to the next one. */ + shdr = data + elf_hdr_get_e_shoff(class, ehdr); + memset(shdr, 0, elf_size_of_shdr(class)); + shdr += elf_size_of_shdr(class); + + /* Initialize the string table. */ + offset = elf_hdr_get_e_shoff(class, ehdr) + + elf_size_of_shdr(class) * elf_hdr_get_e_shnum(class, ehdr); + memset(data + offset, 0, MAX_STRTBL_SIZE); + + /* Fill in the string table section header. */ + memset(shdr, 0, elf_size_of_shdr(class)); + elf_shdr_set_sh_type(class, shdr, SHT_STRTAB); + elf_shdr_set_sh_offset(class, shdr, offset); + elf_shdr_set_sh_size(class, shdr, MAX_STRTBL_SIZE); + elf_shdr_set_sh_entsize(class, shdr, 0); + elf_shdr_set_sh_flags(class, shdr, 0); + elf_shdr_set_sh_name(class, shdr, set_section_name(str_tbl, ehdr, class)); + offset += elf_shdr_get_sh_size(class, shdr); + shdr += elf_size_of_shdr(class); + + list_for_each_entry(segment, &rproc->dump_segments, node) { + memset(shdr, 0, elf_size_of_shdr(class)); + elf_shdr_set_sh_type(class, shdr, SHT_PROGBITS); + elf_shdr_set_sh_offset(class, shdr, offset); + elf_shdr_set_sh_addr(class, shdr, segment->da); + elf_shdr_set_sh_size(class, shdr, segment->size); + elf_shdr_set_sh_entsize(class, shdr, 0); + elf_shdr_set_sh_flags(class, shdr, SHF_WRITE); + elf_shdr_set_sh_name(class, shdr, + set_section_name(segment->priv, ehdr, class)); + + /* No need to copy segments for inline dumps */ + if (dump_conf == RPROC_COREDUMP_DEFAULT) + rproc_copy_segment(rproc, data + offset, segment, 0, + segment->size); + offset += elf_shdr_get_sh_size(class, shdr); + shdr += elf_size_of_shdr(class); + } + + if (dump_conf == RPROC_COREDUMP_DEFAULT) { + dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL); + return; + } + + /* Initialize the dump state struct to be used by rproc_coredump_read */ + dump_state.rproc = rproc; + dump_state.header = data; + init_completion(&dump_state.dump_done); + + dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL, + rproc_coredump_read, rproc_coredump_free); + + /* Wait until the dump is read and free is called. Data is freed + * by devcoredump framework automatically after 5 minutes. + */ + wait_for_completion(&dump_state.dump_done); + + list_for_each_entry(segment, &rproc->dump_segments, node) + kfree(segment->priv); +} + +static void add_minidump_segments(struct rproc *rproc, struct md_ss_toc *minidump_ss) +{ + struct md_ss_region __iomem *region_info; + int seg_cnt = 0, i; + void __iomem *ptr; + dma_addr_t da; + size_t size; + char *name; + + seg_cnt = minidump_ss->ss_region_count; + ptr = ioremap((unsigned long)minidump_ss->md_ss_smem_regions_baseptr, + seg_cnt * sizeof(struct md_ss_region)); + + if (!ptr) + return; + + region_info = ptr; + + if (!list_empty(&rproc->dump_segments)) { + dev_err(&rproc->dev, "invalid minidump remoteproc table\n"); + return; + } + + for (i = 0; i < seg_cnt; i++) { + if (__raw_readl(®ion_info->md_valid) == MD_REGION_VALID) { + name = kmalloc(MAX_REGION_NAME_LENGTH, GFP_KERNEL); + memcpy(name, region_info->name, sizeof(region_info->name)); + da = region_info->region_base_address; + size = region_info->region_size; + rproc_coredump_add_custom_segment(rproc, da, size, NULL, name); + } + region_info++; + } + + iounmap(ptr); +} + +void qcom_rproc_minidump(struct rproc *rproc, unsigned int minidump_id) +{ + struct md_ss_toc *minidump_ss; + size_t size; + + /* Get Global minidump ToC*/ + if (!g_md_toc) + g_md_toc = qcom_smem_get(QCOM_SMEM_HOST_ANY, + SBL_MINIDUMP_SMEM_ID, &size); + + /* check if global table pointer exists and init is set */ + if (IS_ERR(g_md_toc) || !(g_md_toc->md_toc_init)) { + dev_err(&rproc->dev, "SMEM is not initialized.\n"); + return; + } + + /* Get subsystem table of contents using the minidump id */ + minidump_ss = &g_md_toc->md_ss_toc[minidump_id]; + + /** + * Collect minidump if SS ToC is valid and segment table + * is initialized in memory and encryption status is set. + */ + if (minidump_ss->md_ss_smem_regions_baseptr != 0 && + minidump_ss->md_ss_toc_init == 1 && + minidump_ss->md_ss_enable_status == MD_SS_ENABLED && + minidump_ss->encryption_status == MD_SS_ENCR_DONE) + add_minidump_segments(rproc, minidump_ss); + + dev_err(&rproc->dev, "Minidump not ready!! Aborting\n"); + +minidump: + do_rproc_minidump(rproc); +} +EXPORT_SYMBOL(qcom_rproc_minidump); diff --git a/drivers/remoteproc/remoteproc_elf_helpers.h b/drivers/remoteproc/remoteproc_elf_helpers.h index 4b6be7b..d83ebca 100644 --- a/drivers/remoteproc/remoteproc_elf_helpers.h +++ b/drivers/remoteproc/remoteproc_elf_helpers.h @@ -11,6 +11,7 @@ #include #include +#define MAX_NAME_LENGTH 16 /** * fw_elf_get_class - Get elf class * @fw: the ELF firmware image @@ -65,6 +66,7 @@ ELF_GEN_FIELD_GET_SET(hdr, e_type, u16) ELF_GEN_FIELD_GET_SET(hdr, e_version, u32) ELF_GEN_FIELD_GET_SET(hdr, e_ehsize, u32) ELF_GEN_FIELD_GET_SET(hdr, e_phentsize, u16) +ELF_GEN_FIELD_GET_SET(hdr, e_shentsize, u16) ELF_GEN_FIELD_GET_SET(phdr, p_paddr, u64) ELF_GEN_FIELD_GET_SET(phdr, p_vaddr, u64) @@ -74,6 +76,9 @@ ELF_GEN_FIELD_GET_SET(phdr, p_type, u32) ELF_GEN_FIELD_GET_SET(phdr, p_offset, u64) ELF_GEN_FIELD_GET_SET(phdr, p_flags, u32) ELF_GEN_FIELD_GET_SET(phdr, p_align, u64) +ELF_GEN_FIELD_GET_SET(shdr, sh_type, u32) +ELF_GEN_FIELD_GET_SET(shdr, sh_flags, u32) +ELF_GEN_FIELD_GET_SET(shdr, sh_entsize, u16) ELF_GEN_FIELD_GET_SET(shdr, sh_size, u64) ELF_GEN_FIELD_GET_SET(shdr, sh_offset, u64) @@ -93,4 +98,26 @@ ELF_STRUCT_SIZE(shdr) ELF_STRUCT_SIZE(phdr) ELF_STRUCT_SIZE(hdr) +static inline unsigned int set_section_name(const char *name, void *ehdr, + u8 class) +{ + u16 shstrndx = elf_hdr_get_e_shstrndx(class, ehdr); + void *shdr; + char *strtab; + static int strtable_idx = 1; + int idx, ret = 0; + + shdr = ehdr + elf_size_of_hdr(class) + shstrndx * elf_size_of_shdr(class); + strtab = ehdr + elf_shdr_get_sh_offset(class, shdr); + idx = strtable_idx; + if (!strtab || !name) + return 0; + + ret = idx; + idx += strlcpy((strtab + idx), name, MAX_NAME_LENGTH); + strtable_idx = idx + 1; + + return ret; +} + #endif /* REMOTEPROC_ELF_LOADER_H */ diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h index c340028..30dd2e7 100644 --- a/drivers/remoteproc/remoteproc_internal.h +++ b/drivers/remoteproc/remoteproc_internal.h @@ -52,6 +52,7 @@ void rproc_exit_sysfs(void); /* from remoteproc_coredump.c */ void rproc_coredump_cleanup(struct rproc *rproc); void rproc_coredump(struct rproc *rproc); +void qcom_rproc_minidump(struct rproc *rproc, unsigned int minidump_id); #ifdef CONFIG_REMOTEPROC_CDEV void rproc_init_cdev(void); From patchwork Thu Sep 3 02:51:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gurbir Arora X-Patchwork-Id: 11752199 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 006731575 for ; Thu, 3 Sep 2020 02:52:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF85B2072A for ; Thu, 3 Sep 2020 02:52:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728043AbgICCwB (ORCPT ); Wed, 2 Sep 2020 22:52:01 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:34054 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726523AbgICCwA (ORCPT ); Wed, 2 Sep 2020 22:52:00 -0400 Received: from unknown (HELO ironmsg05-sd.qualcomm.com) ([10.53.140.145]) by alexa-out-sd-02.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: from th-lint-039.qualcomm.com ([10.63.179.124]) by ironmsg05-sd.qualcomm.com with ESMTP; 02 Sep 2020 19:51:58 -0700 Received: by th-lint-039.qualcomm.com (Postfix, from userid 2383757) id 6023F1B65; Wed, 2 Sep 2020 19:51:58 -0700 (PDT) From: Gurbir Arora To: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, tsoni@codeaurora.org, psodagud@codeaurora.org, sidgup@codeaurora.org, rishabhb@codeaurora.org, Gurbir Arora Subject: [PATCH v2 3/3] remoteproc: qcom: Add minidump id for sm8150 modem remoteproc Date: Wed, 2 Sep 2020 19:51:56 -0700 Message-Id: <1599101516-243760-4-git-send-email-gurbaror@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> References: <1599101516-243760-1-git-send-email-gurbaror@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Add minidump id for modem in sm8150 chipset. Signed-off-by: Rishabh Bhatnagar Signed-off-by: Gurbir Arora --- drivers/remoteproc/qcom_q6v5_pas.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 19873d1..d35a502 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -639,6 +639,7 @@ static const struct adsp_data mpss_resource_init = { .crash_reason_smem = 421, .firmware_name = "modem.mdt", .pas_id = 4, + .minidump_id = 3, .has_aggre2_clk = false, .auto_boot = false, .active_pd_names = (char*[]){