linux-kernel - [REBASE PATCH v5 17/17] firmware: qcom_scm: Add multiple download mode support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1694429639-21484-18-git-send-email-quic_mojha@quicinc.com>
Date:   Mon, 11 Sep 2023 16:23:59 +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>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <linus.walleij@...aro.org>, <andy.shevchenko@...il.com>,
        <vigneshr@...com>, <nm@...com>, <matthias.bgg@...il.com>,
        <kgene@...nel.org>, <alim.akhtar@...sung.com>,
        <bmasney@...hat.com>, <quic_tsoni@...cinc.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-gpio@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>, <kernel@...cinc.com>,
        <quic_mojha@...cinc.com>
Subject: [REBASE PATCH v5 17/17] firmware: 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_scm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 4ecdb0d025a4..c70ab9afd3cb 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -34,6 +34,8 @@ static u32 download_mode;
 
 #define QCOM_DLOAD_MASK		GENMASK(5, 4)
 #define QCOM_DLOAD_FULLDUMP	0x1
+#define QCOM_DLOAD_MINIDUMP	0x2
+#define QCOM_DLOAD_BOTHDUMP	(QCOM_DLOAD_FULLDUMP | QCOM_DLOAD_MINIDUMP)
 #define QCOM_DLOAD_NODUMP	0x0
 
 struct qcom_scm {
@@ -86,6 +88,8 @@ 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;
@@ -1470,7 +1474,7 @@ 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