[PATCH V7 5/5] firmware: qcom_scm: ipq5332: add support to pass metadata size

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From: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>

IPQ5332 security software running under trustzone
requires metadata size. With V2 cmd, pass metadata
size as well.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx>
---
Changes in v7:
	- No changes.
	- Rebased on top of linux-next.

Changes in v6:
	- Rebased on linux-next

Changes in v5:
	- Rebased on linux-next

Changes in v4:
	- Rebased on linux-next

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

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index e60bef68401c..aa559fd01932 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -607,6 +607,14 @@ 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/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h
index 685b8f59e7a6..008b59cbad36 100644
--- a/drivers/firmware/qcom/qcom_scm.h
+++ b/drivers/firmware/qcom/qcom_scm.h
@@ -96,6 +96,7 @@ struct qcom_tzmem_pool *qcom_scm_get_tzmem_pool(void);
 
 #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





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