From 4fc0ee9d997b4f2ebff497655c024ec4d5b2ea47 Mon Sep 17 00:00:00 2001
From: Yong Ding <yongding@codeaurora.org>
Date: Mon, 19 Mar 2018 16:39:28 +0800
Subject: soc: qcom: hab: add habmm_socket_query support

This query API can be used by hab clients to get
their virtual channels' info if necessary, eg, the
local and remote vmids.

Change-Id: I1293b51a1127997f493f07c0c2181423bf45d79e
Signed-off-by: Yong Ding <yongding@codeaurora.org>
---
 include/linux/habmm.h      | 13 ++++++++++++-
 include/uapi/linux/habmm.h | 11 +++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/linux/habmm.h b/include/linux/habmm.h
index 4d3a81f536d9..1c27ee4f14f7 100644
--- a/include/linux/habmm.h
+++ b/include/linux/habmm.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -35,4 +35,15 @@ int32_t habmm_import(int32_t handle, void **buff_shared, uint32_t size_bytes,
 int32_t habmm_unimport(int32_t handle, uint32_t export_id, void *buff_shared,
 		       uint32_t flags);
 
+struct hab_socket_info {
+	int32_t vmid_remote; /* habmm's vmid */
+	int32_t vmid_local;
+	/* name from hypervisor framework if available */
+	char    vmname_remote[12];
+	char    vmname_local[12];
+};
+
+int32_t habmm_socket_query(int32_t handle, struct hab_socket_info *info,
+		uint32_t flags);
+
 #endif
diff --git a/include/uapi/linux/habmm.h b/include/uapi/linux/habmm.h
index 8586048e20c0..b1b6561f2552 100644
--- a/include/uapi/linux/habmm.h
+++ b/include/uapi/linux/habmm.h
@@ -59,6 +59,14 @@ struct hab_unimport {
 	__u32 flags;
 };
 
+struct hab_info {
+	__s32 vcid;
+	__u64 ids; /* high part remote; low part local */
+	__u64 names;
+	__u32 namesize; /* single name length */
+	__u32 flags;
+};
+
 #define HAB_IOC_TYPE 0x0A
 #define HAB_MAX_MSG_SIZEBYTES 0x1000
 #define HAB_MAX_EXPORT_SIZE 0x8000000
@@ -163,4 +171,7 @@ struct hab_unimport {
 #define IOCTL_HAB_VC_UNIMPORT \
 	_IOW(HAB_IOC_TYPE, 0x9, struct hab_unimport)
 
+#define IOCTL_HAB_VC_QUERY \
+	_IOWR(HAB_IOC_TYPE, 0xA, struct hab_info)
+
 #endif /* HABMM_H */
-- 
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