Merge "msm: mink: Adding SMCInvoke Driver"

2 files changed, 46 insertions, 0 deletions

diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 32172c8f7d37..0bac6947a1cb 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -520,3 +520,4 @@ header-y += android_pmem.h
 header-y += ipa_qmi_service_v01.h
 header-y += rmnet_ipa_fd_ioctl.h
 header-y += msm_ipa.h
+header-y += smcinvoke.h
diff --git a/include/uapi/linux/smcinvoke.h b/include/uapi/linux/smcinvoke.h
new file mode 100644
index 000000000000..1dc9a63c15e5
--- /dev/null
+++ b/include/uapi/linux/smcinvoke.h
@@ -0,0 +1,45 @@
+#ifndef _UAPI_SMCINVOKE_H_
+#define _UAPI_SMCINVOKE_H_
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define SMCINVOKE_USERSPACE_OBJ_NULL	-1
+
+struct smcinvoke_buf {
+	uint64_t	addr;
+	uint64_t	size;
+};
+
+struct smcinvoke_obj {
+	int64_t		fd;
+	int64_t		reserved;
+};
+
+union smcinvoke_arg {
+	struct smcinvoke_buf	b;
+	struct smcinvoke_obj	o;
+};
+
+/*
+ * struct smcinvoke_cmd_req: This structure is transparently sent to TEE
+ * @op - Operation to be performed
+ * @counts - number of aruments passed
+ * @result - result of invoke operation
+ * @argsize - size of each of arguments
+ * @args - args is pointer to buffer having all arguments
+ */
+struct smcinvoke_cmd_req {
+	uint32_t	op;
+	uint32_t	counts;
+	int32_t		result;
+	uint32_t	argsize;
+	uint64_t __user args;
+};
+
+#define SMCINVOKE_IOC_MAGIC    0x98
+
+#define SMCINVOKE_IOCTL_INVOKE_REQ \
+	_IOWR(SMCINVOKE_IOC_MAGIC, 1, struct smcinvoke_cmd_req)
+
+#endif /* _UAPI_SMCINVOKE_H_ */