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Message-ID: <e74fb30d-4268-86b1-cdf7-ad3d104c6c40@linaro.org>
Date: Thu, 13 Apr 2023 23:32:06 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: Mukesh Ojha <quic_mojha@...cinc.com>, agross@...nel.org,
andersson@...nel.org, konrad.dybcio@...aro.org, corbet@....net,
keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
catalin.marinas@....com, will@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 2/6] remoteproc: qcom: Move minidump specific data to
qcom_minidump.h
On 22/03/2023 13:30, Mukesh Ojha wrote:
> Move minidump specific data types and macros to a separate internal
> header(qcom_minidump.h) so that it can be shared among different
minidump.h should be good as we are already in include/soc/qcom/
--srini
> Qualcomm drivers.
>
> There is no change in functional behavior after this.
>
> Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
> ---
> drivers/remoteproc/qcom_common.c | 56 +---------------------------------
> include/soc/qcom/qcom_minidump.h | 66 ++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 67 insertions(+), 55 deletions(-)
> create mode 100644 include/soc/qcom/qcom_minidump.h
>
> diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
> index 805e525..88fc984 100644
> --- a/drivers/remoteproc/qcom_common.c
> +++ b/drivers/remoteproc/qcom_common.c
> @@ -18,6 +18,7 @@
> #include <linux/slab.h>
> #include <linux/soc/qcom/mdt_loader.h>
> #include <linux/soc/qcom/smem.h>
> +#include <soc/qcom/qcom_minidump.h>
>
> #include "remoteproc_internal.h"
> #include "qcom_common.h"
> @@ -26,61 +27,6 @@
> #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;
> diff --git a/include/soc/qcom/qcom_minidump.h b/include/soc/qcom/qcom_minidump.h
> new file mode 100644
> index 0000000..84c8605
> --- /dev/null
> +++ b/include/soc/qcom/qcom_minidump.h
> @@ -0,0 +1,66 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Qualcomm minidump shared data structures and macros
> + *
> + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. 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 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];
> +};
> +
> +#endif /* _QCOM_MINIDUMP_H_ */
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