diff options
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 59 | ||||
| -rw-r--r-- | include/uapi/rdma/rdma_netlink.h | 6 |
2 files changed, 65 insertions, 0 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index bc79ee630d8d..b5f87e7a1cfd 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -167,6 +167,7 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC] = { .type = NLA_U8 }, [RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE] = { .type = NLA_U8 }, [RDMA_NLDEV_ATTR_DRIVER_DETAILS] = { .type = NLA_U8 }, + [RDMA_NLDEV_ATTR_DEV_TYPE] = { .type = NLA_U8 }, }; static int put_driver_name_print_type(struct sk_buff *msg, const char *name, @@ -2548,6 +2549,56 @@ err: return ret; } +static int nldev_newdev(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; + enum rdma_nl_dev_type type; + struct ib_device *parent; + char name[IFNAMSIZ] = {}; + u32 parentid; + int ret; + + ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, + nldev_policy, extack); + if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || + !tb[RDMA_NLDEV_ATTR_DEV_NAME] || !tb[RDMA_NLDEV_ATTR_DEV_TYPE]) + return -EINVAL; + + nla_strscpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME], sizeof(name)); + type = nla_get_u8(tb[RDMA_NLDEV_ATTR_DEV_TYPE]); + parentid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + parent = ib_device_get_by_index(sock_net(skb->sk), parentid); + if (!parent) + return -EINVAL; + + ret = ib_add_sub_device(parent, type, name); + ib_device_put(parent); + + return ret; +} + +static int nldev_deldev(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; + struct ib_device *device; + u32 devid; + int ret; + + ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, + nldev_policy, extack); + if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) + return -EINVAL; + + devid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + device = ib_device_get_by_index(sock_net(skb->sk), devid); + if (!device) + return -EINVAL; + + return ib_del_sub_device_and_put(device); +} + static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { [RDMA_NLDEV_CMD_GET] = { .doit = nldev_get_doit, @@ -2646,6 +2697,14 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { [RDMA_NLDEV_CMD_STAT_GET_STATUS] = { .doit = nldev_stat_get_counter_status_doit, }, + [RDMA_NLDEV_CMD_NEWDEV] = { + .doit = nldev_newdev, + .flags = RDMA_NL_ADMIN_PERM, + }, + [RDMA_NLDEV_CMD_DELDEV] = { + .doit = nldev_deldev, + .flags = RDMA_NL_ADMIN_PERM, + }, }; void __init nldev_init(void) diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index d15ee16be722..bd52fb325e22 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -301,6 +301,10 @@ enum rdma_nldev_command { RDMA_NLDEV_CMD_RES_SRQ_GET_RAW, + RDMA_NLDEV_CMD_NEWDEV, + + RDMA_NLDEV_CMD_DELDEV, + RDMA_NLDEV_NUM_OPS }; @@ -564,6 +568,8 @@ enum rdma_nldev_attr { */ RDMA_NLDEV_ATTR_RES_SUBTYPE, /* string */ + RDMA_NLDEV_ATTR_DEV_TYPE, /* u8 */ + /* * Always the end */ |