IB/SA: Add OPA path record type
Add opa_sa_path_rec to sa_path_rec data structure.
The 'type' field in sa_path_rec identifies the
type of the path record.
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index c72c949..f5f70e3 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -44,6 +44,7 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_addr.h>
+#include <rdma/opa_addr.h>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
@@ -152,7 +153,8 @@ enum ib_sa_mc_join_states {
enum sa_path_rec_type {
SA_PATH_REC_TYPE_IB,
SA_PATH_REC_TYPE_ROCE_V1,
- SA_PATH_REC_TYPE_ROCE_V2
+ SA_PATH_REC_TYPE_ROCE_V2,
+ SA_PATH_REC_TYPE_OPA
};
struct sa_path_rec_ib {
@@ -171,6 +173,19 @@ struct sa_path_rec_roce {
};
+struct sa_path_rec_opa {
+ __be64 service_id;
+ __be32 dlid;
+ __be32 slid;
+ u8 raw_traffic;
+ u8 l2_8B;
+ u8 l2_10B;
+ u8 l2_9B;
+ u8 l2_16B;
+ u8 qos_type;
+ u8 qos_priority;
+};
+
struct sa_path_rec {
union ib_gid dgid;
union ib_gid sgid;
@@ -193,6 +208,7 @@ struct sa_path_rec {
union {
struct sa_path_rec_ib ib;
struct sa_path_rec_roce roce;
+ struct sa_path_rec_opa opa;
};
enum sa_path_rec_type rec_type;
};
@@ -223,6 +239,77 @@ static inline enum sa_path_rec_type
}
}
+static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
+ struct sa_path_rec *opa)
+{
+ if ((be32_to_cpu(opa->opa.dlid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
+ (be32_to_cpu(opa->opa.slid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE))) {
+ /* Create OPA GID and zero out the LID */
+ ib->dgid.global.interface_id
+ = OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->sgid.global.interface_id
+ = OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->ib.dlid = 0;
+
+ ib->ib.slid = 0;
+ } else {
+ ib->ib.dlid = htons(ntohl(opa->opa.dlid));
+ ib->ib.slid = htons(ntohl(opa->opa.slid));
+ }
+ ib->ib.service_id = opa->opa.service_id;
+ ib->ib.raw_traffic = opa->opa.raw_traffic;
+}
+
+static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
+ struct sa_path_rec *ib)
+{
+ __be32 slid, dlid;
+
+ if ((ib_is_opa_gid(&ib->sgid)) ||
+ (ib_is_opa_gid(&ib->dgid))) {
+ slid = htonl(opa_get_lid_from_gid(&ib->sgid));
+ dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
+ } else {
+ slid = htonl(ntohs(ib->ib.slid));
+ dlid = htonl(ntohs(ib->ib.dlid));
+ }
+ opa->opa.slid = slid;
+ opa->opa.dlid = dlid;
+ opa->opa.service_id = ib->ib.service_id;
+ opa->opa.raw_traffic = ib->ib.raw_traffic;
+}
+
+/* Convert from OPA to IB path record */
+static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_OPA)
+ return;
+
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_IB;
+ path_conv_opa_to_ib(dest, src);
+}
+
+/* Convert from IB to OPA path record */
+static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_IB)
+ return;
+
+ /* Do a structure copy and overwrite the relevant fields */
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_OPA;
+ path_conv_ib_to_opa(dest, src);
+}
+
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
@@ -509,18 +596,24 @@ static inline void sa_path_set_service_id(struct sa_path_rec *rec,
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
rec->ib.service_id = service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.service_id = service_id;
}
-static inline void sa_path_set_slid(struct sa_path_rec *rec, __be16 slid)
+static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- rec->ib.slid = slid;
+ rec->ib.slid = htons(ntohl(slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.slid = slid;
}
-static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be16 dlid)
+static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- rec->ib.dlid = dlid;
+ rec->ib.dlid = htons(ntohl(dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.dlid = dlid;
}
static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
@@ -528,26 +621,34 @@ static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
rec->ib.raw_traffic = raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.raw_traffic = raw_traffic;
}
static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
return rec->ib.service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.service_id;
return 0;
}
-static inline __be16 sa_path_get_slid(struct sa_path_rec *rec)
+static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- return rec->ib.slid;
+ return htonl(ntohs(rec->ib.slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.slid;
return 0;
}
-static inline __be16 sa_path_get_dlid(struct sa_path_rec *rec)
+static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- return rec->ib.dlid;
+ return htonl(ntohs(rec->ib.dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.dlid;
return 0;
}
@@ -555,6 +656,8 @@ static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
return rec->ib.raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.raw_traffic;
return 0;
}
