diff options
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 52 | ||||
| -rw-r--r-- | include/uapi/rdma/rdma_netlink.h | 8 |
2 files changed, 60 insertions, 0 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 3fd3f9e99e11..83e43926c957 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -80,6 +80,11 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { .len = sizeof(struct __kernel_sockaddr_storage) }, [RDMA_NLDEV_ATTR_RES_DST_ADDR] = { .len = sizeof(struct __kernel_sockaddr_storage) }, + [RDMA_NLDEV_ATTR_RES_CQ] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_CQ_ENTRY] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_CQE] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_USECNT] = { .type = NLA_U64 }, + [RDMA_NLDEV_ATTR_RES_POLL_CTX] = { .type = NLA_U8 }, }; static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device) @@ -359,6 +364,39 @@ out: return -EMSGSIZE; } +static int fill_res_cq_entry(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct ib_cq *cq = container_of(res, struct ib_cq, res); + struct nlattr *entry_attr; + + entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_CQ_ENTRY); + if (!entry_attr) + goto out; + + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQE, cq->cqe)) + goto err; + if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, + atomic_read(&cq->usecnt), 0)) + goto err; + + /* Poll context is only valid for kernel CQs */ + if (rdma_is_kernel_res(res) && + nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_POLL_CTX, cq->poll_ctx)) + goto err; + + if (fill_res_name_pid(msg, res)) + goto err; + + nla_nest_end(msg, entry_attr); + return 0; + +err: + nla_nest_cancel(msg, entry_attr); +out: + return -EMSGSIZE; +} + static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, struct netlink_ext_ack *extack) { @@ -651,6 +689,11 @@ static const struct nldev_fill_res_entry fill_entries[RDMA_RESTRACK_MAX] = { .nldev_cmd = RDMA_NLDEV_CMD_RES_CM_ID_GET, .nldev_attr = RDMA_NLDEV_ATTR_RES_CM_ID, }, + [RDMA_RESTRACK_CQ] = { + .fill_res_func = fill_res_cq_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_CQ_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_CQ, + }, }; static int res_get_common_dumpit(struct sk_buff *skb, @@ -799,6 +842,12 @@ static int nldev_res_get_cm_id_dumpit(struct sk_buff *skb, return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_CM_ID); } +static int nldev_res_get_cq_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_CQ); +} + static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { [RDMA_NLDEV_CMD_GET] = { .doit = nldev_get_doit, @@ -828,6 +877,9 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { [RDMA_NLDEV_CMD_RES_CM_ID_GET] = { .dump = nldev_res_get_cm_id_dumpit, }, + [RDMA_NLDEV_CMD_RES_CQ_GET] = { + .dump = nldev_res_get_cq_dumpit, + }, }; void __init nldev_init(void) diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 0399aed06548..36cf1f0025fd 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -240,6 +240,8 @@ enum rdma_nldev_command { RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */ + RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */ + RDMA_NLDEV_NUM_OPS }; @@ -364,6 +366,12 @@ enum rdma_nldev_attr { RDMA_NLDEV_ATTR_RES_SRC_ADDR, /* __kernel_sockaddr_storage */ RDMA_NLDEV_ATTR_RES_DST_ADDR, /* __kernel_sockaddr_storage */ + RDMA_NLDEV_ATTR_RES_CQ, /* nested table */ + RDMA_NLDEV_ATTR_RES_CQ_ENTRY, /* nested table */ + RDMA_NLDEV_ATTR_RES_CQE, /* u32 */ + RDMA_NLDEV_ATTR_RES_USECNT, /* u64 */ + RDMA_NLDEV_ATTR_RES_POLL_CTX, /* u8 */ + RDMA_NLDEV_ATTR_MAX }; #endif /* _UAPI_RDMA_NETLINK_H */ |