diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 83 |
1 files changed, 37 insertions, 46 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 7e2f3699b898..371df1c80aeb 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -50,6 +50,8 @@ struct ib_uqp_object; struct ib_usrq_object; struct ib_uwq_object; struct rdma_cm_id; +struct ib_port; +struct hw_stats_device_data; extern struct workqueue_struct *ib_wq; extern struct workqueue_struct *ib_comp_wq; @@ -2139,7 +2141,6 @@ struct ib_flow_action { }; struct ib_mad; -struct ib_grh; enum ib_process_mad_flags { IB_MAD_IGNORE_MKEY = 1, @@ -2175,15 +2176,17 @@ struct ib_port_data { struct ib_port_immutable immutable; spinlock_t pkey_list_lock; + + spinlock_t netdev_lock; + struct list_head pkey_list; struct ib_port_cache cache; - spinlock_t netdev_lock; struct net_device __rcu *netdev; struct hlist_node ndev_hash_link; struct rdma_port_counter port_counter; - struct rdma_hw_stats *hw_stats; + struct ib_port *sysfs; }; /* rdma netdev type - specifies protocol type */ @@ -2299,6 +2302,14 @@ struct ib_device_ops { u32 uverbs_abi_ver; unsigned int uverbs_no_driver_id_binding:1; + /* + * NOTE: New drivers should not make use of device_group; instead new + * device parameter should be exposed via netlink command. This + * mechanism exists only for existing drivers. + */ + const struct attribute_group *device_group; + const struct attribute_group **port_groups; + int (*post_send)(struct ib_qp *qp, const struct ib_send_wr *send_wr, const struct ib_send_wr **bad_send_wr); int (*post_recv)(struct ib_qp *qp, const struct ib_recv_wr *recv_wr, @@ -2459,6 +2470,14 @@ struct ib_device_ops { enum ib_uverbs_advise_mr_advice advice, u32 flags, struct ib_sge *sg_list, u32 num_sge, struct uverbs_attr_bundle *attrs); + + /* + * Kernel users should universally support relaxed ordering (RO), as + * they are designed to read data only after observing the CQE and use + * the DMA API correctly. + * + * Some drivers implicitly enable RO if platform supports it. + */ int (*map_mr_sg)(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset); int (*check_mr_status)(struct ib_mr *mr, u32 check_mask, @@ -2523,13 +2542,14 @@ struct ib_device_ops { unsigned int *meta_sg_offset); /** - * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the - * driver initialized data. The struct is kfree()'ed by the sysfs - * core when the device is removed. A lifespan of -1 in the return - * struct tells the core to set a default lifespan. + * alloc_hw_[device,port]_stats - Allocate a struct rdma_hw_stats and + * fill in the driver initialized data. The struct is kfree()'ed by + * the sysfs core when the device is removed. A lifespan of -1 in the + * return struct tells the core to set a default lifespan. */ - struct rdma_hw_stats *(*alloc_hw_stats)(struct ib_device *device, - u32 port_num); + struct rdma_hw_stats *(*alloc_hw_device_stats)(struct ib_device *device); + struct rdma_hw_stats *(*alloc_hw_port_stats)(struct ib_device *device, + u32 port_num); /** * get_hw_stats - Fill in the counter value(s) in the stats struct. * @index - The index in the value array we wish to have updated, or @@ -2544,12 +2564,7 @@ struct ib_device_ops { */ int (*get_hw_stats)(struct ib_device *device, struct rdma_hw_stats *stats, u32 port, int index); - /* - * This function is called once for each port when a ib device is - * registered. - */ - int (*init_port)(struct ib_device *device, u32 port_num, - struct kobject *port_sysfs); + /** * Allows rdma drivers to add their own restrack attributes. */ @@ -2675,11 +2690,12 @@ struct ib_device { struct ib_core_device coredev; }; - /* First group for device attributes, - * Second group for driver provided attributes (optional). - * It is NULL terminated array. + /* First group is for device attributes, + * Second group is for driver provided attributes (optional). + * Third group is for the hw_stats + * It is a NULL terminated array. */ - const struct attribute_group *groups[3]; + const struct attribute_group *groups[4]; u64 uverbs_cmd_mask; @@ -2694,8 +2710,7 @@ struct ib_device { u8 node_type; u32 phys_port_cnt; struct ib_device_attr attrs; - struct attribute_group *hw_stats_ag; - struct rdma_hw_stats *hw_stats; + struct hw_stats_device_data *hw_stats_data; #ifdef CONFIG_CGROUP_RDMA struct rdmacg_device cg_device; @@ -4286,8 +4301,6 @@ struct net_device *ib_device_netdev(struct ib_device *dev, u32 port); struct ib_wq *ib_create_wq(struct ib_pd *pd, struct ib_wq_init_attr *init_attr); int ib_destroy_wq_user(struct ib_wq *wq, struct ib_udata *udata); -int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr, - u32 wq_attr_mask); int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset, unsigned int page_size); @@ -4571,28 +4584,6 @@ int rdma_init_netdev(struct ib_device *device, u32 port_num, struct net_device *netdev); /** - * rdma_set_device_sysfs_group - Set device attributes group to have - * driver specific sysfs entries at - * for infiniband class. - * - * @device: device pointer for which attributes to be created - * @group: Pointer to group which should be added when device - * is registered with sysfs. - * rdma_set_device_sysfs_group() allows existing drivers to expose one - * group per device to have sysfs attributes. - * - * NOTE: New drivers should not make use of this API; instead new device - * parameter should be exposed via netlink command. This API and mechanism - * exist only for existing drivers. - */ -static inline void -rdma_set_device_sysfs_group(struct ib_device *dev, - const struct attribute_group *group) -{ - dev->groups[1] = group; -} - -/** * rdma_device_to_ibdev - Get ib_device pointer from device pointer * * @device: device pointer for which ib_device pointer to retrieve @@ -4627,7 +4618,7 @@ static inline int ibdev_to_node(struct ib_device *ibdev) * * NOTE: New drivers should not make use of this API; This API is only for * existing drivers who have exposed sysfs entries using - * rdma_set_device_sysfs_group(). + * ops->device_group. */ #define rdma_device_to_drv_device(dev, drv_dev_struct, ibdev_member) \ container_of(rdma_device_to_ibdev(dev), drv_dev_struct, ibdev_member) |