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From:   Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
To:     <agross@kernel.org>, <andersson@kernel.org>,
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CC:     <quic_srichara@quicinc.com>, <quic_sjaganat@quicinc.com>,
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Subject: [PATCH v4 06/11] firmware: qcom_scm: ipq5332: add support to pass metadata size
Date:   Fri, 28 Jul 2023 12:04:07 +0530
Message-ID: <20230728063412.1641856-7-quic_mmanikan@quicinc.com>
In-Reply-To: <20230728063412.1641856-1-quic_mmanikan@quicinc.com>
References: <20230728063412.1641856-1-quic_mmanikan@quicinc.com>
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IPQ5332 security software running under trustzone
requires metadata size. With V2 cmd, pass metadata
size as well.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
---
Changes in v4:
	- Rebased on linux-next

 drivers/firmware/qcom_scm.c | 8 ++++++++
 drivers/firmware/qcom_scm.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index b6055b1c18d8..3bc8c63a997f 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -495,6 +495,14 @@ int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
 
 	desc.args[1] = mdata_phys;
 
+	if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
+					 QCOM_SCM_PAS_INIT_IMAGE_V2)) {
+		desc.cmd = QCOM_SCM_PAS_INIT_IMAGE_V2;
+		desc.arginfo =
+			QCOM_SCM_ARGS(3, QCOM_SCM_VAL, QCOM_SCM_RW, QCOM_SCM_VAL);
+		desc.args[2] = size;
+	}
+
 	ret = qcom_scm_call(__scm->dev, &desc, &res);
 
 	qcom_scm_bw_disable();
diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h
index e6e512bd57d1..6ab5e7c77e8d 100644
--- a/drivers/firmware/qcom_scm.h
+++ b/drivers/firmware/qcom_scm.h
@@ -91,6 +91,7 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc,
 
 #define QCOM_SCM_SVC_PIL		0x02
 #define QCOM_SCM_PIL_PAS_INIT_IMAGE	0x01
+#define QCOM_SCM_PAS_INIT_IMAGE_V2	0x1a
 #define QCOM_SCM_PIL_PAS_MEM_SETUP	0x02
 #define QCOM_SCM_PIL_PAS_AUTH_AND_RESET	0x05
 #define QCOM_SCM_PIL_PAS_SHUTDOWN	0x06
-- 
2.34.1