[PATCH] libibmad: Add NodeRecord query API

[Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

Add ib_node_query_via routine similar to ib_path_query_via

Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
diff --git a/include/infiniband/mad.h b/include/infiniband/mad.h
index 0694dc4..02b2353 100644
--- a/include/infiniband/mad.h
+++ b/include/infiniband/mad.h
@@ -65,6 +65,7 @@ BEGIN_C_DECLS
 #define IB_PC_DATA_SZ		(IB_MAD_SIZE - IB_PC_DATA_OFFS)
 #define IB_SA_MCM_RECSZ		53
 #define IB_SA_PR_RECSZ		64
+#define IB_SA_NR_RECSZ		108
 #define IB_SA_GIR_RECSZ		72
 #define IB_BM_DATA_OFFS		64
 #define IB_BM_DATA_SZ		(IB_MAD_SIZE - IB_BM_DATA_OFFS)
@@ -1519,6 +1542,9 @@ MAD_EXPORT int ib_path_query_via(const struct ibmad_port *srcport,
 				 ibmad_gid_t srcgid, ibmad_gid_t destgid,
 				 ib_portid_t * sm_id, void *buf);
 	/* returns lid */
+MAD_EXPORT int ib_node_query_via(const struct ibmad_port *srcport,
+				 uint64_t guid, ib_portid_t * sm_id,
+				 void *buf);
 
 /* resolve.c */
 MAD_EXPORT int ib_resolve_smlid(ib_portid_t * sm_id, int timeout) DEPRECATED;
diff --git a/src/libibmad.map b/src/libibmad.map
index a4d4418..3f92885 100644
--- a/src/libibmad.map
+++ b/src/libibmad.map
@@ -148,5 +148,6 @@ IBMAD_1.3 {
 		cc_config_status_via;
 		smp_mkey_get;
 		smp_mkey_set;
+		ib_node_query_via;
 	local: *;
 };
diff --git a/src/sa.c b/src/sa.c
index a9a93cc..352ed9f 100644
--- a/src/sa.c
+++ b/src/sa.c
@@ -145,3 +145,47 @@ int ib_path_query(ibmad_gid_t srcgid, ibmad_gid_t destgid, ib_portid_t * sm_id,
 {
 	return ib_path_query_via(ibmp, srcgid, destgid, sm_id, buf);
 }
+
+/* NodeRecord */
+#define IB_NR_COMPMASK_LID				(1ull<<0)
+#define IB_NR_COMPMASK_RESERVED1			(1ull<<1)
+#define IB_NR_COMPMASK_BASEVERSION			(1ull<<2)
+#define IB_NR_COMPMASK_CLASSVERSION			(1ull<<3)
+#define IB_NR_COMPMASK_NODETYPE				(1ull<<4)
+#define IB_NR_COMPMASK_NUMPORTS				(1ull<<5)
+#define IB_NR_COMPMASK_SYSIMAGEGUID			(1ull<<6)
+#define IB_NR_COMPMASK_NODEGUID				(1ull<<7)
+#define IB_NR_COMPMASK_PORTGUID				(1ull<<8)
+#define IB_NR_COMPMASK_PARTCAP				(1ull<<9)
+#define IB_NR_COMPMASK_DEVID				(1ull<<10)
+#define IB_NR_COMPMASK_REV				(1ull<<11)
+#define IB_NR_COMPMASK_PORTNUM				(1ull<<12)
+#define IB_NR_COMPMASK_VENDID				(1ull<<13)
+#define IB_NR_COMPMASK_NODEDESC				(1ull<<14)
+
+#define IB_NR_DEF_MASK IB_NR_COMPMASK_PORTGUID
+
+int ib_node_query_via(const struct ibmad_port *srcport, uint64_t guid,
+		      ib_portid_t * sm_id, void *buf)
+{
+	ib_sa_call_t sa = { 0 };
+	uint8_t *p;
+
+	memset(&sa, 0, sizeof sa);
+	sa.method = IB_MAD_METHOD_GET;
+	sa.attrid = IB_SA_ATTR_NODERECORD;
+	sa.mask = IB_NR_DEF_MASK;
+	sa.trid = mad_trid();
+
+	memset(buf, 0, IB_SA_NR_RECSZ);
+
+	mad_encode_field(buf, IB_SA_NR_PORT_GUID_F, &guid);
+
+	p = sa_rpc_call(srcport, buf, sm_id, &sa, 0);
+	if (!p) {
+		IBWARN("sa call node_query failed");
+		return -1;
+	}
+
+	return 0;
+}
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