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Date: Sat, 25 Nov 2023 03:49:45 +0530
From: Mukesh Ojha <quic_mojha@...cinc.com>
To: <corbet@....net>, <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <keescook@...omium.org>, <tony.luck@...el.com>, <gpiccoli@...lia.com>,
        <mathieu.poirier@...aro.org>, <vigneshr@...com>, <nm@...com>,
        <matthias.bgg@...il.com>, <kgene@...nel.org>,
        <alim.akhtar@...sung.com>, <bmasney@...hat.com>
CC: <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-hardening@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>, <kernel@...cinc.com>,
        Mukesh Ojha <quic_mojha@...cinc.com>
Subject: [Patch v6 02/12] firmware/qcom: qcom_scm: Add multiple download mode support

Currently, scm driver only supports full dump when download
mode is selected. Add support to enable minidump as well as
enable it along with fulldump.

Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
---
 drivers/firmware/qcom/qcom_scm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index c5878c38f378..70bb59992fb9 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -123,6 +123,8 @@ static const u8 qcom_scm_cpu_warm_bits[QCOM_SCM_BOOT_MAX_CPUS] = {
 enum qcom_dload_mode {
 	QCOM_DLOAD_NODUMP	= 0,
 	QCOM_DLOAD_FULLDUMP	= 1,
+	QCOM_DLOAD_MINIDUMP	= 2,
+	QCOM_DLOAD_BOTHDUMP	= 3,
 };
 
 static const char * const qcom_scm_convention_names[] = {
@@ -135,6 +137,8 @@ static const char * const qcom_scm_convention_names[] = {
 static const char * const download_mode_name[] = {
 	[QCOM_DLOAD_NODUMP]	= "off",
 	[QCOM_DLOAD_FULLDUMP]	= "full",
+	[QCOM_DLOAD_MINIDUMP]	= "mini",
+	[QCOM_DLOAD_BOTHDUMP]	= "full,mini",
 };
 
 static struct qcom_scm *__scm;
@@ -1881,7 +1885,7 @@ static const struct kernel_param_ops download_mode_param_ops = {
 
 module_param_cb(download_mode, &download_mode_param_ops, NULL, 0644);
 MODULE_PARM_DESC(download_mode,
-		"download mode: off/full are acceptable values");
+		"download mode: off/full/mini/full,mini are acceptable values");
 
 static int qcom_scm_probe(struct platform_device *pdev)
 {
-- 
2.7.4


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