From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
ECE parameters are vendor specific information per-QP,
provide a way to set, query and commit ECE data.
* ibv_set_ece() - overwrite default ECE options and instruct
libibverbs to use ECE data while enabling QP.
* ibv_query_ece() - get ECE options.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
CMakeLists.txt | 2 +-
debian/libibverbs1.symbols | 5 ++++-
libibverbs/CMakeLists.txt | 2 +-
libibverbs/driver.h | 2 ++
libibverbs/dummy_ops.c | 14 ++++++++++++++
libibverbs/libibverbs.map.in | 6 ++++++
libibverbs/verbs.c | 15 +++++++++++++++
libibverbs/verbs.h | 18 ++++++++++++++++++
8 files changed, 61 insertions(+), 3 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fcc50e86..6cff4a94 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,7 +72,7 @@ set(PACKAGE_VERSION "29.0")
# When this is changed the values in these files need changing too:
# debian/control
# debian/libibverbs1.symbols
-set(IBVERBS_PABI_VERSION "25")
+set(IBVERBS_PABI_VERSION "26")
set(IBVERBS_PROVIDER_SUFFIX "-rdmav${IBVERBS_PABI_VERSION}.so")
#-------------------------
diff --git a/debian/libibverbs1.symbols b/debian/libibverbs1.symbols
index ec40b29b..0a6b3e70 100644
--- a/debian/libibverbs1.symbols
+++ b/debian/libibverbs1.symbols
@@ -6,7 +6,8 @@ libibverbs.so.1 libibverbs1 #MINVER#
IBVERBS_1.6@IBVERBS_1.6 24
IBVERBS_1.7@IBVERBS_1.7 25
IBVERBS_1.8@IBVERBS_1.8 28
- (symver)IBVERBS_PRIVATE_25 25
+ IBVERBS_1.9@IBVERBS_1.9 28
+ (symver)IBVERBS_PRIVATE_26 26
ibv_ack_async_event@IBVERBS_1.0 1.1.6
ibv_ack_async_event@IBVERBS_1.1 1.1.6
ibv_ack_cq_events@IBVERBS_1.0 1.1.6
@@ -76,6 +77,7 @@ libibverbs.so.1 libibverbs1 #MINVER#
ibv_qp_to_qp_ex@IBVERBS_1.6 24
ibv_query_device@IBVERBS_1.0 1.1.6
ibv_query_device@IBVERBS_1.1 1.1.6
+ ibv_query_ece@IBVERBS_1.9 28
ibv_query_gid@IBVERBS_1.0 1.1.6
ibv_query_gid@IBVERBS_1.1 1.1.6
ibv_query_pkey@IBVERBS_1.0 1.1.6
@@ -98,6 +100,7 @@ libibverbs.so.1 libibverbs1 #MINVER#
ibv_resize_cq@IBVERBS_1.0 1.1.6
ibv_resize_cq@IBVERBS_1.1 1.1.6
ibv_resolve_eth_l2_from_gid@IBVERBS_1.1 1.2.0
+ ibv_set_ece@IBVERBS_1.9 28
ibv_wc_status_str@IBVERBS_1.1 1.1.6
mbps_to_ibv_rate@IBVERBS_1.1 1.1.8
mult_to_ibv_rate@IBVERBS_1.0 1.1.6
diff --git a/libibverbs/CMakeLists.txt b/libibverbs/CMakeLists.txt
index 43285489..a10bf103 100644
--- a/libibverbs/CMakeLists.txt
+++ b/libibverbs/CMakeLists.txt
@@ -21,7 +21,7 @@ configure_file("libibverbs.map.in"
rdma_library(ibverbs "${CMAKE_CURRENT_BINARY_DIR}/libibverbs.map"
# See Documentation/versioning.md
- 1 1.8.${PACKAGE_VERSION}
+ 1 1.9.${PACKAGE_VERSION}
all_providers.c
cmd.c
cmd_ah.c
diff --git a/libibverbs/driver.h b/libibverbs/driver.h
index a0e6f89a..f14ce537 100644
--- a/libibverbs/driver.h
+++ b/libibverbs/driver.h
@@ -348,6 +348,7 @@ struct verbs_context_ops {
const struct ibv_query_device_ex_input *input,
struct ibv_device_attr_ex *attr,
size_t attr_size);
+ int (*query_ece)(struct ibv_qp *qp, struct ibv_ece *ece);
int (*query_port)(struct ibv_context *context, uint8_t port_num,
struct ibv_port_attr *port_attr);
int (*query_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr,
@@ -368,6 +369,7 @@ struct verbs_context_ops {
int (*rereg_mr)(struct verbs_mr *vmr, int flags, struct ibv_pd *pd,
void *addr, size_t length, int access);
int (*resize_cq)(struct ibv_cq *cq, int cqe);
+ int (*set_ece)(struct ibv_qp *qp, struct ibv_ece *ece);
};
static inline struct verbs_device *
diff --git a/libibverbs/dummy_ops.c b/libibverbs/dummy_ops.c
index 46efe1e9..8d7b4e1a 100644
--- a/libibverbs/dummy_ops.c
+++ b/libibverbs/dummy_ops.c
@@ -439,6 +439,16 @@ static int resize_cq(struct ibv_cq *cq, int cqe)
return EOPNOTSUPP;
}
+static int set_ece(struct ibv_qp *qp, struct ibv_ece *ece)
+{
+ return EOPNOTSUPP;
+}
+
+static int query_ece(struct ibv_qp *qp, struct ibv_ece *ece)
+{
+ return EOPNOTSUPP;
+}
+
/*
* Ops in verbs_dummy_ops simply return an EOPNOTSUPP error code when called, or
* do nothing. They are placed in the ops structures if the provider does not
@@ -508,6 +518,7 @@ const struct verbs_context_ops verbs_dummy_ops = {
post_srq_recv,
query_device,
query_device_ex,
+ query_ece,
query_port,
query_qp,
query_rt_values,
@@ -518,6 +529,7 @@ const struct verbs_context_ops verbs_dummy_ops = {
req_notify_cq,
rereg_mr,
resize_cq,
+ set_ece,
};
/*
@@ -624,6 +636,7 @@ void verbs_set_ops(struct verbs_context *vctx,
SET_OP(ctx, post_srq_recv);
SET_PRIV_OP(ctx, query_device);
SET_OP(vctx, query_device_ex);
+ SET_PRIV_OP_IC(vctx, query_ece);
SET_PRIV_OP_IC(ctx, query_port);
SET_PRIV_OP(ctx, query_qp);
SET_OP(vctx, query_rt_values);
@@ -634,6 +647,7 @@ void verbs_set_ops(struct verbs_context *vctx,
SET_OP(ctx, req_notify_cq);
SET_PRIV_OP(ctx, rereg_mr);
SET_PRIV_OP(ctx, resize_cq);
+ SET_PRIV_OP_IC(vctx, set_ece);
#undef SET_OP
#undef SET_OP2
diff --git a/libibverbs/libibverbs.map.in b/libibverbs/libibverbs.map.in
index 5280cfe6..52ce0c80 100644
--- a/libibverbs/libibverbs.map.in
+++ b/libibverbs/libibverbs.map.in
@@ -126,6 +126,12 @@ IBVERBS_1.8 {
ibv_reg_mr_iova2;
} IBVERBS_1.7;
+IBVERBS_1.9 {
+ global:
+ ibv_query_ece;
+ ibv_set_ece;
+} IBVERBS_1.8;
+
/* If any symbols in this stanza change ABI then the entire staza gets a new symbol
version. See the top level CMakeLists.txt for this setting. */
diff --git a/libibverbs/verbs.c b/libibverbs/verbs.c
index 629f24c2..35d471e4 100644
--- a/libibverbs/verbs.c
+++ b/libibverbs/verbs.c
@@ -1080,3 +1080,18 @@ free_resources:
return ret;
}
+
+int ibv_set_ece(struct ibv_qp *qp, struct ibv_ece *ece)
+{
+ if (!ece->vendor_id || ece->comp_mask) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return get_ops(qp->context)->set_ece(qp, ece);
+}
+
+int ibv_query_ece(struct ibv_qp *qp, struct ibv_ece *ece)
+{
+ return get_ops(qp->context)->query_ece(qp, ece);
+}
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index 1601f225..bd76c7e8 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -1401,6 +1401,21 @@ static inline void ibv_wr_abort(struct ibv_qp_ex *qp)
qp->wr_abort(qp);
}
+struct ibv_ece {
+ /*
+ * Unique identifier of the provider vendor on the network.
+ * The providers will set IEEE OUI here to distinguish
+ * itself in non-homogenius network.
+ */
+ uint32_t vendor_id;
+ /*
+ * Provider specific attributes which are supported or
+ * needed to be enabled by ECE users.
+ */
+ uint32_t options;
+ uint32_t comp_mask;
+};
+
struct ibv_comp_channel {
struct ibv_context *context;
int fd;
@@ -3325,6 +3340,9 @@ static inline int ibv_read_counters(struct ibv_counters *counters,
return vctx->read_counters(counters, counters_value, ncounters, flags);
}
+int ibv_set_ece(struct ibv_qp *qp, struct ibv_ece *ece);
+int ibv_query_ece(struct ibv_qp *qp, struct ibv_ece *ece);
+
#ifdef __cplusplus
}
#endif
--
2.24.1
