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Commit 91292d8e authored by Rohit Agarwal's avatar Rohit Agarwal Committed by Sayan Dey
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soc: qcom: msm_minidump: Configurable Encryption support 



Some regions registered cannot be encrypted in minidump due to some HW
limitations on sdxlemur. To work around this, make the encryption of
minidump regions configurable.

Change-Id: Ibd0899ecaacfda4bd8f05ce0b8eef05c731c18e3
Signed-off-by: default avatarRohit Agarwal <quic_rohiagar@quicinc.com>
Signed-off-by: default avatarSayan Dey <quic_sayand@quicinc.com>
parent 89f4076c

arch/arm/configs/vendor/sdxlemur.config

+1 −0
Original line number Diff line number Diff line
@@ -513,3 +513,4 @@ CONFIG_ANDROID_BINDERFS=y 
CONFIG_ANDROID_BINDER_DEVICES="binder,hwbinder,vndbinder"

# CONFIG_ANDROID_BINDER_IPC_SELFTEST is not set

CONFIG_IPC_LOG_MINIDUMP_BUFFERS=16

# CONFIG_QCOM_MINIDUMP_ENCRYPT is not set

drivers/soc/qcom/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -645,6 +645,16 @@ config MINIDUMP_MAX_ENTRIES 
	  This defines maximum number of entries to be allocated for application

	  subsytem in Minidump table.



config QCOM_MINIDUMP_ENCRYPT

	bool "QCOM Minidump Encryption Required"

	depends on QCOM_MINIDUMP

	default y

	help

	  This adds a support to decide whether the regions in minidump

	  table should be encrypted or not. By default, encryption is done

	  by the boot firmware and the decision for encryption is taken by

	  the subsystems.



config QCOM_MICRODUMP

	tristate "Qualcomm Technologies, Inc. Microdump Support"

	depends on MSM_SUBSYSTEM_RESTART

drivers/soc/qcom/msm_minidump.c

+7 −2
Original line number Diff line number Diff line
@@ -570,8 +570,13 @@ static int __init msm_minidump_init(void) 
	minidump_table.revision = md_global_toc->md_revision;

	md_ss_toc = &md_global_toc->md_ss_toc[MD_SS_HLOS_ID];



	if (IS_ENABLED(CONFIG_QCOM_MINIDUMP_ENCRYPT)) {

		md_ss_toc->encryption_status = MD_SS_ENCR_NONE;

		md_ss_toc->encryption_required = MD_SS_ENCR_REQ;

	} else {

		md_ss_toc->encryption_status = MD_SS_ENCR_DONE;

		md_ss_toc->encryption_required = MD_SS_ENCR_NOTREQ;

	}



	minidump_table.md_ss_toc = md_ss_toc;

	minidump_table.md_regions = kzalloc((MAX_NUM_ENTRIES *