Lines Matching +full:max +full:- +full:outbound +full:- +full:regions
1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
18 #include <linux/dma-mapping.h>
201 if (attr->gid_type == IB_GID_TYPE_IB) in rdma_gid_attr_network_type()
204 if (attr->gid_type == IB_GID_TYPE_ROCE) in rdma_gid_attr_network_type()
207 if (ipv6_addr_v4mapped((struct in6_addr *)&attr->gid)) in rdma_gid_attr_network_type()
278 * This device supports a per-device lkey or stag that can be
285 /* IB_QP_CREATE_INTEGRITY_EN is supported to implement T10-PI */
356 /* Max size of RNDV header */
358 /* Max number of entries in tag matching list */
362 /* Max number of outstanding list operations */
364 /* Max number of SGE in tag matching entry */
448 /* Max entries for sgl for optimized performance per READ */
473 default: return -1; in ib_mtu_enum_to_int()
548 default: return -1; in ib_width_enum_to_int()
570 * @name - The name of the counter
571 * @flags - Flags of the counter; For example, IB_STAT_FLAG_OPTIONAL
572 * @priv - Driver private information; Core code should not use
582 * @lock - Mutex to protect parallel write access to lifespan and values
585 * @timestamp - Used by the core code to track when the last update was
586 * @lifespan - Used by the core code to determine how old the counters
590 * @descs - Array of pointers to static descriptors used for the counters
592 * @is_disabled - A bitmap to indicate each counter is currently disabled
594 * @num_counters - How many hardware counters there are. If name is
598 * @value - Array of u64 counters that are accessed by the sysfs code and
771 (_ptr)->device = _device; \
772 (_ptr)->handler = _handler; \
773 INIT_LIST_HEAD(&(_ptr)->list); \
845 * ib_rate_to_mult - Convert the IB rate enum to a multiple of the
853 * ib_rate_to_mbps - Convert the IB rate enum to Mbps.
861 * enum ib_mr_type - memory region type
866 * the normal mr constraints - see
870 * @IB_MR_TYPE_USER: memory region that is used for the user-space
891 * struct ib_mr_status - Memory region status container
904 * mult_to_ib_rate - Convert a multiple of 2.5 Gbit/sec to an IB rate
1111 * indices into a 2-entry table.
1159 /* reserve bits 26-31 for low level drivers' internal use */
1362 /* reserve bits 26-31 for low level drivers' internal use */
1473 ((IB_ACCESS_FLUSH_PERSISTENT << 1) - 1) | IB_ACCESS_OPTIONAL,
1477 * XXX: these are apparently used for ->rereg_user_mr, no idea why they
1484 IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1)
1497 /* Driver is being hot-unplugged. This call should delete the actual object itself */
1499 /* uobj is being cleaned-up before being committed */
1527 /* FIXME, save memory: ufile->context == context */
1864 /* default unicast and multicast rule -
1868 /* default multicast rule -
1872 /* sniffer rule - receive all port traffic */
2118 /* All user-space flags at the top: Use enum ib_uverbs_flow_action_esp_flags
2119 * This is done in order to share the same flags between user-space and
2207 /* rdma netdev type - specifies protocol type */
2214 * struct rdma_netdev - rdma netdev
2285 !__same_type(((struct drv_struct *)NULL)->member, \
2289 ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
2293 ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
2313 return (u64)entry->start_pgoff << PAGE_SHIFT; in rdma_user_mmap_get_offset()
2317 * struct ib_device_ops - InfiniBand device operations
2389 * must return -EOPNOTSUPP if it doesn't support the specified type.
2401 * link layer is either IB or iWarp. It is no-op if @port_num port
2408 * of device of port at gid index available at @attr. Meta-info of
2558 * alloc_hw_[device,port]_stats - Allocate a struct rdma_hw_stats and
2560 * the sysfs core when the device is removed. A lifespan of -1 in the
2567 * get_hw_stats - Fill in the counter value(s) in the stats struct.
2568 * @index - The index in the value array we wish to have updated, or
2570 * Return codes -
2571 * < 0 - Error, no counters updated
2572 * index - Updated the single counter pointed to by index
2573 * num_counters - Updated all counters (will reset the timestamp
2582 * modify_hw_stat - Modify the counter configuration
2584 * Return codes - 0 on success or error code otherwise.
2625 * counter_bind_qp - Bind a QP to a counter.
2626 * @counter - The counter to be bound. If counter->id is zero then
2627 * the driver needs to allocate a new counter and set counter->id
2631 * counter_unbind_qp - Unbind the qp from the dynamically-allocated
2636 * counter_dealloc -De-allocate the hw counter
2640 * counter_alloc_stats - Allocate a struct rdma_hw_stats and fill in
2646 * counter_update_stats - Query the stats value of this counter
2667 * add_sub_dev - Add a sub IB device
2674 * del_sub_dev - Delete a sub IB device
2679 * ufile_cleanup - Attempt to cleanup ubojects HW resources inside
2685 * report_port_event - Drivers need to implement this if they have
2803 /* A parent device has a list of sub-devices */
2818 if (is_numa_aware && dev->ops.get_numa_node) in rdma_zalloc_obj()
2819 return kzalloc_node(size, gfp, dev->ops.get_numa_node(dev)); in rdma_zalloc_obj()
2868 * Iterates the DMA-mapped SGL in contiguous memory blocks aligned
2909 * rdma_block_iter_dma_address - get the aligned dma address of the current
2916 return biter->__dma_addr & ~(BIT_ULL(biter->__pg_bit) - 1); in rdma_block_iter_dma_address()
2920 * rdma_for_each_block - iterate over contiguous memory blocks of the sg list
2935 * ib_get_client_data - Get IB client context
2947 return xa_load(&device->client_data, client->client_id); in ib_get_client_data()
2994 return copy_from_user(dest, udata->inbuf, len) ? -EFAULT : 0; in ib_copy_from_udata()
2999 return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0; in ib_copy_to_udata()
3024 return ib_is_buffer_cleared(udata->inbuf + offset, len); in ib_is_udata_cleared()
3028 * ib_modify_qp_is_ok - Check that the supplied attribute mask
3036 * This function is a helper function that a low-level driver's
3056 * rdma_cap_ib_switch - Check if the device is IB switch
3066 return device->is_switch; in rdma_cap_ib_switch()
3070 * rdma_start_port - Return the first valid port number for the device
3083 * rdma_for_each_port - Iterate over all valid port numbers of the IB device
3084 * @device - The struct ib_device * to iterate over
3085 * @iter - The unsigned int to store the port number
3094 * rdma_end_port - Return the last valid port number for the device
3103 return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt; in rdma_end_port()
3116 return device->port_data[port_num].immutable.core_cap_flags & in rdma_is_grh_required()
3123 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_ib()
3130 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce()
3137 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce_udp_encap()
3144 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce_eth_encap()
3151 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_iwarp()
3165 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_raw_packet()
3172 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_usnic()
3177 * rdma_cap_ib_mad - Check if the port of a device supports Infiniband
3190 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_mad()
3195 * rdma_cap_opa_mad - Check if the port of device provides support for OPA
3215 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_opa_mad()
3220 * rdma_cap_ib_smi - Check if the port of a device provides an Infiniband
3241 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_smi()
3246 * rdma_cap_ib_cm - Check if the port of device has the capability Infiniband
3251 * The InfiniBand Communication Manager is one of many pre-defined General
3262 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_cm()
3267 * rdma_cap_iw_cm - Check if the port of device has the capability IWARP
3280 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_iw_cm()
3285 * rdma_cap_ib_sa - Check if the port of device has the capability Infiniband
3290 * An InfiniBand Subnet Administration (SA) service is a pre-defined General
3301 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_sa()
3306 * rdma_cap_ib_mcast - Check if the port of device has the capability Infiniband
3329 * rdma_cap_af_ib - Check if the port of device has the capability
3343 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_af_ib()
3348 * rdma_cap_eth_ah - Check if the port of device has the capability
3365 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_eth_ah()
3370 * rdma_cap_opa_ah - Check if the port of device supports
3380 return (device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_opa_ah()
3385 * rdma_max_mad_size - Return the max MAD size required by this RDMA Port.
3393 * Return the max MAD size required by the Port. Will return 0 if the port
3399 return device->port_data[port_num].immutable.max_mad_size; in rdma_max_mad_size()
3403 * rdma_cap_roce_gid_table - Check if the port of device uses roce_gid_table
3419 device->ops.add_gid && device->ops.del_gid; in rdma_cap_roce_gid_table()
3435 * rdma_core_cap_opa_port - Return whether the RDMA Port is OPA or not.
3444 return (device->port_data[port_num].immutable.core_cap_flags & in rdma_core_cap_opa_port()
3449 * rdma_mtu_enum_to_int - Return the mtu of the port as an integer value.
3455 * -1 if enum value of mtu is not supported.
3467 * rdma_mtu_from_attr - Return the mtu of the port from the port attribute.
3478 return attr->phys_mtu; in rdma_mtu_from_attr()
3480 return ib_mtu_enum_to_int(attr->max_mtu); in rdma_mtu_from_attr()
3515 * the rkey for it into pd->unsafe_global_rkey. This can be used by
3529 * ib_alloc_pd - Allocates an unused protection domain.
3534 * receive queues, address handles, memory regions, and memory windows.
3545 * ib_dealloc_pd - Deallocate kernel PD
3563 * rdma_create_ah - Creates an address handle for the given address vector.
3575 * rdma_create_user_ah - Creates an address handle for the given address vector.
3590 * ib_get_gids_from_rdma_hdr - Get sgid and dgid from GRH or IPv4 header
3602 * ib_get_rdma_header_version - Get the header version
3608 * ib_init_ah_attr_from_wc - Initializes address handle attributes from a
3630 * ib_create_ah_from_wc - Creates an address handle associated with the
3636 * @port_num: The outbound port number to associate with the address.
3645 * rdma_modify_ah - Modifies the address vector associated with an address
3654 * rdma_query_ah - Queries the address vector associated with an address
3668 * rdma_destroy_ah_user - Destroys an address handle.
3676 * rdma_destroy_ah - Destroys an kernel address handle.
3696 if (!pd->device->ops.create_srq) in ib_create_srq()
3697 return ERR_PTR(-EOPNOTSUPP); in ib_create_srq()
3703 * ib_modify_srq - Modifies the attributes for the specified SRQ.
3707 * @srq_attr_mask: A bit-mask used to specify which attributes of the SRQ
3719 * ib_query_srq - Returns the attribute list and current values for the
3728 * ib_destroy_srq_user - Destroys the specified SRQ.
3735 * ib_destroy_srq - Destroys the specified kernel SRQ.
3748 * ib_post_srq_recv - Posts a list of work requests to the specified SRQ.
3760 return srq->device->ops.post_srq_recv(srq, recv_wr, in ib_post_srq_recv()
3768 * ib_create_qp - Creates a kernel QP associated with the specific protection
3782 * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
3786 * @attr_mask: A bit-mask used to specify which attributes of the QP
3798 * ib_modify_qp - Modifies the attributes for the specified QP and then
3803 * @qp_attr_mask: A bit-mask used to specify which attributes of the QP
3811 * ib_query_qp - Returns the attribute list and current values for the
3815 * @qp_attr_mask: A bit-mask used to select specific attributes to query.
3827 * ib_destroy_qp - Destroys the specified QP.
3834 * ib_destroy_qp - Destroys the specified kernel QP.
3845 * ib_open_qp - Obtain a reference to an existing sharable QP.
3846 * @xrcd - XRC domain
3855 * ib_close_qp - Release an external reference to a QP.
3864 * ib_post_send - Posts a list of work requests to the send queue of
3882 return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy); in ib_post_send()
3886 * ib_post_recv - Posts a list of work requests to the receive queue of
3899 return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy); in ib_post_recv()
3936 * ib_create_cq - Creates a CQ on the specified device.
3938 * @comp_handler: A user-specified callback that is invoked when a
3940 * @event_handler: A user-specified callback that is invoked when an
3958 * ib_resize_cq - Modifies the capacity of the CQ.
3967 * rdma_set_cq_moderation - Modifies moderation params of the CQ
3970 * @cq_period: max period of time in usec before triggering an event
3976 * ib_destroy_cq_user - Destroys the specified CQ.
3983 * ib_destroy_cq - Destroys the specified kernel CQ.
3996 * ib_poll_cq - poll a CQ for completion(s)
4005 * non-negative and < num_entries, then the CQ was emptied.
4010 return cq->device->ops.poll_cq(cq, num_entries, wc); in ib_poll_cq()
4014 * ib_req_notify_cq - Request completion notification on a CQ.
4043 return cq->device->ops.req_notify_cq(cq, flags); in ib_req_notify_cq()
4059 return IS_ENABLED(CONFIG_INFINIBAND_VIRT_DMA) && !dev->dma_device; in ib_uses_virt_dma()
4070 return dma_pci_p2pdma_supported(dev->dma_device); in ib_dma_pci_p2p_dma_supported()
4074 * ib_virt_dma_to_ptr - Convert a dma_addr to a kernel pointer
4087 * ib_virt_dma_to_page - Convert a dma_addr to a struct page
4099 * ib_dma_mapping_error - check a DMA addr for error
4107 return dma_mapping_error(dev->dma_device, dma_addr); in ib_dma_mapping_error()
4111 * ib_dma_map_single - Map a kernel virtual address to DMA address
4123 return dma_map_single(dev->dma_device, cpu_addr, size, direction); in ib_dma_map_single()
4127 * ib_dma_unmap_single - Destroy a mapping created by ib_dma_map_single()
4138 dma_unmap_single(dev->dma_device, addr, size, direction); in ib_dma_unmap_single()
4142 * ib_dma_map_page - Map a physical page to DMA address
4157 return dma_map_page(dev->dma_device, page, offset, size, direction); in ib_dma_map_page()
4161 * ib_dma_unmap_page - Destroy a mapping created by ib_dma_map_page()
4172 dma_unmap_page(dev->dma_device, addr, size, direction); in ib_dma_unmap_page()
4183 return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, in ib_dma_map_sg_attrs()
4193 dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, in ib_dma_unmap_sg_attrs()
4198 * ib_dma_map_sgtable_attrs - Map a scatter/gather table to DMA addresses
4212 nents = ib_dma_virt_map_sg(dev, sgt->sgl, sgt->orig_nents); in ib_dma_map_sgtable_attrs()
4214 return -EIO; in ib_dma_map_sgtable_attrs()
4215 sgt->nents = nents; in ib_dma_map_sgtable_attrs()
4218 return dma_map_sgtable(dev->dma_device, sgt, direction, dma_attrs); in ib_dma_map_sgtable_attrs()
4227 dma_unmap_sgtable(dev->dma_device, sgt, direction, dma_attrs); in ib_dma_unmap_sgtable_attrs()
4231 * ib_dma_map_sg - Map a scatter/gather list to DMA addresses
4245 * ib_dma_unmap_sg - Unmap a scatter/gather list of DMA addresses
4259 * ib_dma_max_seg_size - Return the size limit of a single DMA transfer
4268 return dma_get_max_seg_size(dev->dma_device); in ib_dma_max_seg_size()
4272 * ib_dma_sync_single_for_cpu - Prepare DMA region to be accessed by CPU
4284 dma_sync_single_for_cpu(dev->dma_device, addr, size, dir); in ib_dma_sync_single_for_cpu()
4288 * ib_dma_sync_single_for_device - Prepare DMA region to be accessed by device
4300 dma_sync_single_for_device(dev->dma_device, addr, size, dir); in ib_dma_sync_single_for_device()
4303 /* ib_reg_user_mr - register a memory region for virtual addresses from kernel
4309 /* ib_advise_mr - give an advice about an address range in a memory region */
4313 * ib_dereg_mr_user - Deregisters a memory region and removes it from the
4323 * ib_dereg_mr - Deregisters a kernel memory region and removes it from the
4344 * ib_update_fast_reg_key - updates the key portion of the fast_reg MR
4346 * @mr - struct ib_mr pointer to be updated.
4347 * @newkey - new key to be used.
4351 mr->lkey = (mr->lkey & 0xffffff00) | newkey; in ib_update_fast_reg_key()
4352 mr->rkey = (mr->rkey & 0xffffff00) | newkey; in ib_update_fast_reg_key()
4356 * ib_inc_rkey - increments the key portion of the given rkey. Can be used
4358 * @rkey - the rkey to increment.
4367 * ib_attach_mcast - Attaches the specified QP to a multicast group.
4381 * ib_detach_mcast - Detaches the specified QP from a multicast group.
4395 u64 device_cap = ib_dev->attrs.device_cap_flags; in ib_check_mr_access()
4403 return -EINVAL; in ib_check_mr_access()
4406 return -EINVAL; in ib_check_mr_access()
4409 !(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING)) in ib_check_mr_access()
4410 return -EOPNOTSUPP; in ib_check_mr_access()
4416 return -EOPNOTSUPP; in ib_check_mr_access()
4460 * be valid should use get_device(&ibdev->dev) to hold the memory.
4465 return refcount_inc_not_zero(&dev->refcount); in ib_device_try_get()
4509 mr->iova = 0; in ib_map_mr_sg_zbva()
4526 if (attr->type == RDMA_AH_ATTR_TYPE_ROCE) in rdma_ah_retrieve_dmac()
4527 return attr->roce.dmac; in rdma_ah_retrieve_dmac()
4533 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_set_dlid()
4534 attr->ib.dlid = (u16)dlid; in rdma_ah_set_dlid()
4535 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_dlid()
4536 attr->opa.dlid = dlid; in rdma_ah_set_dlid()
4541 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_get_dlid()
4542 return attr->ib.dlid; in rdma_ah_get_dlid()
4543 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_dlid()
4544 return attr->opa.dlid; in rdma_ah_get_dlid()
4550 attr->sl = sl; in rdma_ah_set_sl()
4555 return attr->sl; in rdma_ah_get_sl()
4561 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_set_path_bits()
4562 attr->ib.src_path_bits = src_path_bits; in rdma_ah_set_path_bits()
4563 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_path_bits()
4564 attr->opa.src_path_bits = src_path_bits; in rdma_ah_set_path_bits()
4569 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_get_path_bits()
4570 return attr->ib.src_path_bits; in rdma_ah_get_path_bits()
4571 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_path_bits()
4572 return attr->opa.src_path_bits; in rdma_ah_get_path_bits()
4579 if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_make_grd()
4580 attr->opa.make_grd = make_grd; in rdma_ah_set_make_grd()
4585 if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_make_grd()
4586 return attr->opa.make_grd; in rdma_ah_get_make_grd()
4592 attr->port_num = port_num; in rdma_ah_set_port_num()
4597 return attr->port_num; in rdma_ah_get_port_num()
4603 attr->static_rate = static_rate; in rdma_ah_set_static_rate()
4608 return attr->static_rate; in rdma_ah_get_static_rate()
4614 attr->ah_flags = flag; in rdma_ah_set_ah_flags()
4620 return attr->ah_flags; in rdma_ah_get_ah_flags()
4626 return &attr->grh; in rdma_ah_read_grh()
4633 return &attr->grh; in rdma_ah_retrieve_grh()
4640 memcpy(grh->dgid.raw, dgid, sizeof(grh->dgid)); in rdma_ah_set_dgid_raw()
4648 grh->dgid.global.subnet_prefix = prefix; in rdma_ah_set_subnet_prefix()
4656 grh->dgid.global.interface_id = if_id; in rdma_ah_set_interface_id()
4666 attr->ah_flags = IB_AH_GRH; in rdma_ah_set_grh()
4668 grh->dgid = *dgid; in rdma_ah_set_grh()
4669 grh->flow_label = flow_label; in rdma_ah_set_grh()
4670 grh->sgid_index = sgid_index; in rdma_ah_set_grh()
4671 grh->hop_limit = hop_limit; in rdma_ah_set_grh()
4672 grh->traffic_class = traffic_class; in rdma_ah_set_grh()
4673 grh->sgid_attr = NULL; in rdma_ah_set_grh()
4687 * rdma_ah_find_type - Return address handle type.
4702 if (dev->type == RDMA_DEVICE_TYPE_SMI) in rdma_ah_find_type()
4709 * ib_lid_cpu16 - Return lid in 16bit CPU encoding.
4724 * ib_lid_be16 - Return lid in 16bit BE encoding.
4735 * ib_get_vector_affinity - Get the affinity mappings of a given completion
4741 * completion vector (returns all-cpus map if the device driver doesn't
4747 if (comp_vector < 0 || comp_vector >= device->num_comp_vectors || in ib_get_vector_affinity()
4748 !device->ops.get_vector_affinity) in ib_get_vector_affinity()
4751 return device->ops.get_vector_affinity(device, comp_vector); in ib_get_vector_affinity()
4756 * rdma_roce_rescan_device - Rescan all of the network devices in the system
4782 * rdma_device_to_ibdev - Get ib_device pointer from device pointer
4794 return coredev->owner; in rdma_device_to_ibdev()
4798 * ibdev_to_node - return the NUMA node for a given ib_device
4803 struct device *parent = ibdev->dev.parent; in ibdev_to_node()
4811 * rdma_device_to_drv_device - Helper macro to reach back to driver's
4816 * ops->device_group.
4829 * rdma_flow_label_to_udp_sport - generate a RoCE v2 UDP src port value based
4845 * rdma_calc_flow_label - generate a RDMA symmetric flow label value based on
4870 * rdma_get_udp_sport - Calculate and set UDP source port based on the flow
4889 /** ib_add_sub_device - Add a sub IB device on an existing one
4903 /** ib_del_sub_device_and_put - Delect an IB sub device while holding a 'get'
4913 ibdev->name_assign_type = RDMA_NAME_ASSIGN_TYPE_USER; in ib_mark_name_assigned_by_user()