Part of enum ib_device_cap_flags are used by ibv_query_device(3)
or ibv_query_device_ex(3), so we define them in
include/uapi/rdma/ib_user_verbs.h and only expose them to userspace.
Signed-off-by: Xiao Yang <yangx.jy@xxxxxxxxxxx>
---
drivers/infiniband/core/uverbs_cmd.c | 6 +-
include/rdma/ib_verbs.h | 82 +++++++++++++++++++---------
include/uapi/rdma/ib_user_verbs.h | 31 +++++++++++
3 files changed, 91 insertions(+), 28 deletions(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 6b6393176b3c..ca1045c28fad 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -337,7 +337,8 @@ static void copy_query_dev_fields(struct ib_ucontext *ucontext,
resp->hw_ver = attr->hw_ver;
resp->max_qp = attr->max_qp;
resp->max_qp_wr = attr->max_qp_wr;
- resp->device_cap_flags = lower_32_bits(attr->device_cap_flags);
+ resp->device_cap_flags = lower_32_bits(attr->device_cap_flags &
+ UVERBS_DEVICE_CAP_FLAGS_MASK);
resp->max_sge = min(attr->max_send_sge, attr->max_recv_sge);
resp->max_sge_rd = attr->max_sge_rd;
resp->max_cq = attr->max_cq;
@@ -3618,7 +3619,8 @@ static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs)
resp.timestamp_mask = attr.timestamp_mask;
resp.hca_core_clock = attr.hca_core_clock;
- resp.device_cap_flags_ex = attr.device_cap_flags;
+ resp.device_cap_flags_ex = attr.device_cap_flags &
+ UVERBS_DEVICE_CAP_FLAGS_MASK;
resp.rss_caps.supported_qpts = attr.rss_caps.supported_qpts;
resp.rss_caps.max_rwq_indirection_tables =
attr.rss_caps.max_rwq_indirection_tables;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index e5455f6e0d82..54f0045942ca 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -219,22 +219,41 @@ enum rdma_link_layer {
IB_LINK_LAYER_ETHERNET,
};
+#define UVERBS_DEVICE_CAP_FLAGS_MASK 0x1427B67FFF
+
enum ib_device_cap_flags {
- IB_DEVICE_RESIZE_MAX_WR = (1 << 0),
- IB_DEVICE_BAD_PKEY_CNTR = (1 << 1),
- IB_DEVICE_BAD_QKEY_CNTR = (1 << 2),
- IB_DEVICE_RAW_MULTI = (1 << 3),
- IB_DEVICE_AUTO_PATH_MIG = (1 << 4),
- IB_DEVICE_CHANGE_PHY_PORT = (1 << 5),
- IB_DEVICE_UD_AV_PORT_ENFORCE = (1 << 6),
- IB_DEVICE_CURR_QP_STATE_MOD = (1 << 7),
- IB_DEVICE_SHUTDOWN_PORT = (1 << 8),
- /* Not in use, former INIT_TYPE = (1 << 9),*/
- IB_DEVICE_PORT_ACTIVE_EVENT = (1 << 10),
- IB_DEVICE_SYS_IMAGE_GUID = (1 << 11),
- IB_DEVICE_RC_RNR_NAK_GEN = (1 << 12),
- IB_DEVICE_SRQ_RESIZE = (1 << 13),
- IB_DEVICE_N_NOTIFY_CQ = (1 << 14),
+ IB_DEVICE_RESIZE_MAX_WR =
+ IB_UVERBS_DEVICE_RESIZE_MAX_WR,
+ IB_DEVICE_BAD_PKEY_CNTR =
+ IB_UVERBS_DEVICE_BAD_PKEY_CNTR,
+ IB_DEVICE_BAD_QKEY_CNTR =
+ IB_UVERBS_DEVICE_BAD_QKEY_CNTR,
+ IB_DEVICE_RAW_MULTI =
+ IB_UVERBS_DEVICE_RAW_MULTI,
+ IB_DEVICE_AUTO_PATH_MIG =
+ IB_UVERBS_DEVICE_AUTO_PATH_MIG,
+ IB_DEVICE_CHANGE_PHY_PORT =
+ IB_UVERBS_DEVICE_CHANGE_PHY_PORT,
+ IB_DEVICE_UD_AV_PORT_ENFORCE =
+ IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE,
+ IB_DEVICE_CURR_QP_STATE_MOD =
+ IB_UVERBS_DEVICE_CURR_QP_STATE_MOD,
+ IB_DEVICE_SHUTDOWN_PORT =
+ IB_UVERBS_DEVICE_SHUTDOWN_PORT,
+ /*
+ * IB_DEVICE_INIT_TYPE =
+ * IB_UVERBS_DEVICE_INIT_TYPE, (not in use)
+ */
+ IB_DEVICE_PORT_ACTIVE_EVENT =
+ IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT,
+ IB_DEVICE_SYS_IMAGE_GUID =
+ IB_UVERBS_DEVICE_SYS_IMAGE_GUID,
+ IB_DEVICE_RC_RNR_NAK_GEN =
+ IB_UVERBS_DEVICE_RC_RNR_NAK_GEN,
+ IB_DEVICE_SRQ_RESIZE =
+ IB_UVERBS_DEVICE_SRQ_RESIZE,
+ IB_DEVICE_N_NOTIFY_CQ =
+ IB_UVERBS_DEVICE_N_NOTIFY_CQ,
/*
* This device supports a per-device lkey or stag that can be
@@ -245,7 +264,8 @@ enum ib_device_cap_flags {
*/
IB_DEVICE_LOCAL_DMA_LKEY = (1 << 15),
/* Reserved, old SEND_W_INV = (1 << 16),*/
- IB_DEVICE_MEM_WINDOW = (1 << 17),
+ IB_DEVICE_MEM_WINDOW =
+ IB_UVERBS_DEVICE_MEM_WINDOW,
/*
* Devices should set IB_DEVICE_UD_IP_SUM if they support
* insertion of UDP and TCP checksum on outgoing UD IPoIB
@@ -253,9 +273,11 @@ enum ib_device_cap_flags {
* incoming messages. Setting this flag implies that the
* IPoIB driver may set NETIF_F_IP_CSUM for datagram mode.
*/
- IB_DEVICE_UD_IP_CSUM = (1 << 18),
+ IB_DEVICE_UD_IP_CSUM =
+ IB_UVERBS_DEVICE_UD_IP_CSUM,
IB_DEVICE_UD_TSO = (1 << 19),
- IB_DEVICE_XRC = (1 << 20),
+ IB_DEVICE_XRC =
+ IB_UVERBS_DEVICE_XRC,
/*
* This device supports the IB "base memory management extension",
@@ -266,13 +288,18 @@ enum ib_device_cap_flags {
* IB_WR_RDMA_READ_WITH_INV verb for RDMA READs that invalidate the
* stag.
*/
- IB_DEVICE_MEM_MGT_EXTENSIONS = (1 << 21),
+ IB_DEVICE_MEM_MGT_EXTENSIONS =
+ IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS,
IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1 << 22),
- IB_DEVICE_MEM_WINDOW_TYPE_2A = (1 << 23),
- IB_DEVICE_MEM_WINDOW_TYPE_2B = (1 << 24),
- IB_DEVICE_RC_IP_CSUM = (1 << 25),
+ IB_DEVICE_MEM_WINDOW_TYPE_2A =
+ IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A,
+ IB_DEVICE_MEM_WINDOW_TYPE_2B =
+ IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B,
+ IB_DEVICE_RC_IP_CSUM =
+ IB_UVERBS_DEVICE_RC_IP_CSUM,
/* Deprecated. Please use IB_RAW_PACKET_CAP_IP_CSUM. */
- IB_DEVICE_RAW_IP_CSUM = (1 << 26),
+ IB_DEVICE_RAW_IP_CSUM =
+ IB_UVERBS_DEVICE_RAW_IP_CSUM,
/*
* Devices should set IB_DEVICE_CROSS_CHANNEL if they
* support execution of WQEs that involve synchronization
@@ -280,16 +307,19 @@ enum ib_device_cap_flags {
* by hardware.
*/
IB_DEVICE_CROSS_CHANNEL = (1 << 27),
- IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29),
+ IB_DEVICE_MANAGED_FLOW_STEERING =
+ IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING,
IB_DEVICE_INTEGRITY_HANDOVER = (1 << 30),
IB_DEVICE_ON_DEMAND_PAGING = (1ULL << 31),
IB_DEVICE_SG_GAPS_REG = (1ULL << 32),
IB_DEVICE_VIRTUAL_FUNCTION = (1ULL << 33),
/* Deprecated. Please use IB_RAW_PACKET_CAP_SCATTER_FCS. */
- IB_DEVICE_RAW_SCATTER_FCS = (1ULL << 34),
+ IB_DEVICE_RAW_SCATTER_FCS =
+ IB_UVERBS_DEVICE_RAW_SCATTER_FCS,
IB_DEVICE_RDMA_NETDEV_OPA = (1ULL << 35),
/* The device supports padding incoming writes to cacheline. */
- IB_DEVICE_PCI_WRITE_END_PADDING = (1ULL << 36),
+ IB_DEVICE_PCI_WRITE_END_PADDING =
+ IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING,
IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37),
};
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 0660405ca2cb..18a0678d3aec 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -1298,6 +1298,37 @@ struct ib_uverbs_ex_modify_cq {
#define IB_DEVICE_NAME_MAX 64
+enum ib_uverbs_device_cap_flags {
+ IB_UVERBS_DEVICE_RESIZE_MAX_WR = (1 << 0),
+ IB_UVERBS_DEVICE_BAD_PKEY_CNTR = (1 << 1),
+ IB_UVERBS_DEVICE_BAD_QKEY_CNTR = (1 << 2),
+ IB_UVERBS_DEVICE_RAW_MULTI = (1 << 3),
+ IB_UVERBS_DEVICE_AUTO_PATH_MIG = (1 << 4),
+ IB_UVERBS_DEVICE_CHANGE_PHY_PORT = (1 << 5),
+ IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE = (1 << 6),
+ IB_UVERBS_DEVICE_CURR_QP_STATE_MOD = (1 << 7),
+ IB_UVERBS_DEVICE_SHUTDOWN_PORT = (1 << 8),
+ /* IB_UVERBS_DEVICE_INIT_TYPE = (1 << 9), (not in use) */
+ IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT = (1 << 10),
+ IB_UVERBS_DEVICE_SYS_IMAGE_GUID = (1 << 11),
+ IB_UVERBS_DEVICE_RC_RNR_NAK_GEN = (1 << 12),
+ IB_UVERBS_DEVICE_SRQ_RESIZE = (1 << 13),
+ IB_UVERBS_DEVICE_N_NOTIFY_CQ = (1 << 14),
+ IB_UVERBS_DEVICE_MEM_WINDOW = (1 << 17),
+ IB_UVERBS_DEVICE_UD_IP_CSUM = (1 << 18),
+ IB_UVERBS_DEVICE_XRC = (1 << 20),
+ IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS = (1 << 21),
+ IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A = (1 << 23),
+ IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B = (1 << 24),
+ IB_UVERBS_DEVICE_RC_IP_CSUM = (1 << 25),
+ /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_IP_CSUM. */
+ IB_UVERBS_DEVICE_RAW_IP_CSUM = (1 << 26),
+ IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING = (1 << 29),
+ /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */
+ IB_UVERBS_DEVICE_RAW_SCATTER_FCS = (1ULL << 34),
+ IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = (1ULL << 36),
+};
+
enum ib_uverbs_raw_packet_caps {
IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING = (1 << 0),
IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS = (1 << 1),
--
2.23.0
