From: Ariel Levkovich <lariel@mellanox.com>
Date: Thu, 5 Apr 2018 18:53:22 +0300
Subject: IB/uverbs: Expose device memory capabilities to user
Patch-mainline: v4.17-rc1
Git-commit: d41c1208955394198398f8a2ab8e0e25ad592e2b
References: bsc#1103992 FATE#326009

Adding a new capability field under ib_uverbs_ex_query_device_resp -
max_dm_size - which reflects the maximum amount of device memory
that is available for allocation on a device in bytes.

Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/uapi/rdma/ib_user_verbs.h |    1 +
 1 file changed, 1 insertion(+)

--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -267,6 +267,7 @@ struct ib_uverbs_ex_query_device_resp {
 	__u32 raw_packet_caps;
 	struct ib_uverbs_tm_caps tm_caps;
 	struct ib_uverbs_cq_moderation_caps cq_moderation_caps;
+	__aligned_u64 max_dm_size;
 };
 
 struct ib_uverbs_query_port {