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Message-ID: <1676978713-7394-3-git-send-email-quic_mojha@quicinc.com>
Date: Tue, 21 Feb 2023 16:55:09 +0530
From: Mukesh Ojha <quic_mojha@...cinc.com>
To: <agross@...nel.org>, <andersson@...nel.org>,
<konrad.dybcio@...aro.org>, <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>,
Mukesh Ojha <quic_mojha@...cinc.com>
Subject: [RFC PATCH 2/6] remoteproc: qcom: Move minidump specific data to qcom_minidump.h
Move minidump specific data types and macros to a separate internal
header(qcom_minidump.h) so that it can be shared among different
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 95bd4b8..f607e1e 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_ */
--
2.7.4
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