linux-kernel - [PATCH v2 1/4] soc: qcom: introduce generic QMI encoding/decoding macros

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: <20250826072007.1395416-2-alexander.wilhelm@westermo.com>
Date: Tue, 26 Aug 2025 09:20:04 +0200
From: Alexander Wilhelm <alexander.wilhelm@...termo.com>
To: Jeff Johnson <jjohnson@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-wireless@...r.kernel.org, ath12k@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: [PATCH v2 1/4] soc: qcom: introduce generic QMI encoding/decoding macros

These macros enable future support for encoding and decoding primitive data
types in a generic way. They handle host CPU endianness while ensuring
little-endian format on the QMI wire, as required by the protocol.

Signed-off-by: Alexander Wilhelm <alexander.wilhelm@...termo.com>
---
 drivers/soc/qcom/qmi_encdec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/soc/qcom/qmi_encdec.c b/drivers/soc/qcom/qmi_encdec.c
index 7660a960fb45..cb43531a8b66 100644
--- a/drivers/soc/qcom/qmi_encdec.c
+++ b/drivers/soc/qcom/qmi_encdec.c
@@ -11,6 +11,19 @@
 #include <linux/string.h>
 #include <linux/soc/qcom/qmi.h>
 
+#define QMI_ENCDEC_ENCODE_u8(x)			(x)
+#define QMI_ENCDEC_ENCODE_u16(x)		__cpu_to_le16(x)
+#define QMI_ENCDEC_ENCODE_u32(x)		__cpu_to_le32(x)
+#define QMI_ENCDEC_ENCODE_u64(x)		__cpu_to_le64(x)
+
+#define QMI_ENCDEC_DECODE_u8(x)			(x)
+#define QMI_ENCDEC_DECODE_u16(x)		__le16_to_cpu(x)
+#define QMI_ENCDEC_DECODE_u32(x)		__le32_to_cpu(x)
+#define QMI_ENCDEC_DECODE_u64(x)		__le64_to_cpu(x)
+
+#define QMI_ENCDEC_ENCODE(val, type)		QMI_ENCDEC_ENCODE_##type(val)
+#define QMI_ENCDEC_DECODE(val, type)		QMI_ENCDEC_DECODE_##type(val)
+
 #define QMI_ENCDEC_ENCODE_TLV(type, length, p_dst) do { \
 	*p_dst++ = type; \
 	*p_dst++ = ((u8)((length) & 0xFF)); \
-- 
2.34.1