IB/rdmavt: Add the start of capability flags

Drivers will need a set of flags to dictate behavior to rdmavt. This patch
adds a placeholder and a spot for it to live, as well as a few flags
that will be used.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index 4b83770..b44ac17 100644 (file)
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -56,6 +56,16 @@
 #include "ib_verbs.h"
 
 /*
+ * For some of the IBTA objects there will likely be some
+ * initializations required. We need flags to determine whether it is OK
+ * for rdmavt to do this or not. This does not imply any functions of a
+ * partiuclar IBTA object are overridden.
+ */
+#define RVT_FLAG_MR_INIT_DRIVER BIT(1)
+#define RVT_FLAG_QP_INIT_DRIVER BIT(2)
+#define RVT_FLAG_CQ_INIT_DRIVER BIT(3)
+
+/*
  * For Memory Regions. This stuff should probably be moved into rdmavt/mr.h once
  * drivers no longer need access to the MR directly.
  */
@@ -429,6 +439,8 @@ struct rvt_dev_info {
        /* Internal use */
        int n_pds_allocated;
        spinlock_t n_pds_lock; /* Protect pd allocated count */
+
+       int flags;
 };
 
 static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd)