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>
204 if (attr->gid_type == IB_GID_TYPE_IB) in rdma_gid_attr_network_type()
207 if (attr->gid_type == IB_GID_TYPE_ROCE) in rdma_gid_attr_network_type()
210 if (ipv6_addr_v4mapped((struct in6_addr *)&attr->gid)) in rdma_gid_attr_network_type()
240 * This device supports a per-device lkey or stag that can be
342 /* Max size of RNDV header */
344 /* Max number of entries in tag matching list */
348 /* Max number of outstanding list operations */
350 /* Max number of SGE in tag matching entry */
433 /* Max entries for sgl for optimized performance per READ */
458 default: return -1; in ib_mtu_enum_to_int()
533 default: return -1; in ib_width_enum_to_int()
550 * @lock - Mutex to protect parallel write access to lifespan and values
553 * @timestamp - Used by the core code to track when the last update was
554 * @lifespan - Used by the core code to determine how old the counters
558 * @name - Array of pointers to static names used for the counters in
560 * @num_counters - How many hardware counters there are. If name is
564 * @value - Array of u64 counters that are accessed by the sysfs code and
578 * rdma_alloc_hw_stats_struct - Helper function to allocate dynamic struct
580 * @names - Array of static const char *
581 * @num_counters - How many elements in array
582 * @lifespan - How many milliseconds between updates
594 stats->names = names; in rdma_alloc_hw_stats_struct()
595 stats->num_counters = num_counters; in rdma_alloc_hw_stats_struct()
596 stats->lifespan = msecs_to_jiffies(lifespan); in rdma_alloc_hw_stats_struct()
754 (_ptr)->device = _device; \
755 (_ptr)->handler = _handler; \
756 INIT_LIST_HEAD(&(_ptr)->list); \
827 * ib_rate_to_mult - Convert the IB rate enum to a multiple of the
835 * ib_rate_to_mbps - Convert the IB rate enum to Mbps.
843 * enum ib_mr_type - memory region type
848 * the normal mr constraints - see
852 * @IB_MR_TYPE_USER: memory region that is used for the user-space
873 * struct ib_mr_status - Memory region status container
886 * mult_to_ib_rate - Convert a multiple of 2.5 Gbit/sec to an IB rate
1091 * indices into a 2-entry table.
1139 /* reserve bits 26-31 for low level drivers' internal use */
1340 /* reserve bits 26-31 for low level drivers' internal use */
1449 ((IB_ACCESS_HUGETLB << 1) - 1) | IB_ACCESS_OPTIONAL,
1453 * XXX: these are apparently used for ->rereg_user_mr, no idea why they
1460 IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1)
1473 /* Driver is being hot-unplugged. This call should delete the actual object itself */
1475 /* uobj is being cleaned-up before being committed */
1503 /* FIXME, save memory: ufile->context == context */
1834 /* default unicast and multicast rule -
1838 /* default multicast rule -
1842 /* sniffer rule - receive all port traffic */
2105 /* All user-space flags at the top: Use enum ib_uverbs_flow_action_esp_flags
2106 * This is done in order to share the same flags between user-space and
2192 /* rdma netdev type - specifies protocol type */
2199 * struct rdma_netdev - rdma netdev
2268 !__same_type(((struct drv_struct *)NULL)->member, \
2272 ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
2276 ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
2296 return (u64)entry->start_pgoff << PAGE_SHIFT; in rdma_user_mmap_get_offset()
2300 * struct ib_device_ops - InfiniBand device operations
2372 * must return -EOPNOTSUPP if it doesn't support the specified type.
2384 * link layer is either IB or iWarp. It is no-op if @port_num port
2391 * of device of port at gid index available at @attr. Meta-info of
2549 * alloc_hw_[device,port]_stats - Allocate a struct rdma_hw_stats and
2551 * the sysfs core when the device is removed. A lifespan of -1 in the
2558 * get_hw_stats - Fill in the counter value(s) in the stats struct.
2559 * @index - The index in the value array we wish to have updated, or
2561 * Return codes -
2562 * < 0 - Error, no counters updated
2563 * index - Updated the single counter pointed to by index
2564 * num_counters - Updated all counters (will reset the timestamp
2607 * counter_bind_qp - Bind a QP to a counter.
2608 * @counter - The counter to be bound. If counter->id is zero then
2609 * the driver needs to allocate a new counter and set counter->id
2613 * counter_unbind_qp - Unbind the qp from the dynamically-allocated
2618 * counter_dealloc -De-allocate the hw counter
2622 * counter_alloc_stats - Allocate a struct rdma_hw_stats and fill in
2628 * counter_update_stats - Query the stats value of this counter
2763 if (is_numa_aware && dev->ops.get_numa_node) in rdma_zalloc_obj()
2764 return kzalloc_node(size, gfp, dev->ops.get_numa_node(dev)); in rdma_zalloc_obj()
2813 * Iterates the DMA-mapped SGL in contiguous memory blocks aligned
2853 * rdma_block_iter_dma_address - get the aligned dma address of the current
2860 return biter->__dma_addr & ~(BIT_ULL(biter->__pg_bit) - 1); in rdma_block_iter_dma_address()
2864 * rdma_for_each_block - iterate over contiguous memory blocks of the sg list
2879 * ib_get_client_data - Get IB client context
2891 return xa_load(&device->client_data, client->client_id); in ib_get_client_data()
2921 return copy_from_user(dest, udata->inbuf, len) ? -EFAULT : 0; in ib_copy_from_udata()
2926 return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0; in ib_copy_to_udata()
2951 return ib_is_buffer_cleared(udata->inbuf + offset, len); in ib_is_udata_cleared()
2955 * ib_modify_qp_is_ok - Check that the supplied attribute mask
2963 * This function is a helper function that a low-level driver's
2983 * rdma_cap_ib_switch - Check if the device is IB switch
2993 return device->is_switch; in rdma_cap_ib_switch()
2997 * rdma_start_port - Return the first valid port number for the device
3010 * rdma_for_each_port - Iterate over all valid port numbers of the IB device
3011 * @device - The struct ib_device * to iterate over
3012 * @iter - The unsigned int to store the port number
3021 * rdma_end_port - Return the last valid port number for the device
3030 return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt; in rdma_end_port()
3043 return device->port_data[port_num].immutable.core_cap_flags & in rdma_is_grh_required()
3050 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_ib()
3057 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce()
3064 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce_udp_encap()
3071 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_roce_eth_encap()
3078 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_iwarp()
3092 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_raw_packet()
3099 return device->port_data[port_num].immutable.core_cap_flags & in rdma_protocol_usnic()
3104 * rdma_cap_ib_mad - Check if the port of a device supports Infiniband
3117 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_mad()
3122 * rdma_cap_opa_mad - Check if the port of device provides support for OPA
3142 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_opa_mad()
3147 * rdma_cap_ib_smi - Check if the port of a device provides an Infiniband
3168 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_smi()
3173 * rdma_cap_ib_cm - Check if the port of device has the capability Infiniband
3178 * The InfiniBand Communication Manager is one of many pre-defined General
3189 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_cm()
3194 * rdma_cap_iw_cm - Check if the port of device has the capability IWARP
3207 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_iw_cm()
3212 * rdma_cap_ib_sa - Check if the port of device has the capability Infiniband
3217 * An InfiniBand Subnet Administration (SA) service is a pre-defined General
3228 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_ib_sa()
3233 * rdma_cap_ib_mcast - Check if the port of device has the capability Infiniband
3256 * rdma_cap_af_ib - Check if the port of device has the capability
3270 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_af_ib()
3275 * rdma_cap_eth_ah - Check if the port of device has the capability
3292 return device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_eth_ah()
3297 * rdma_cap_opa_ah - Check if the port of device supports
3307 return (device->port_data[port_num].immutable.core_cap_flags & in rdma_cap_opa_ah()
3312 * rdma_max_mad_size - Return the max MAD size required by this RDMA Port.
3320 * Return the max MAD size required by the Port. Will return 0 if the port
3326 return device->port_data[port_num].immutable.max_mad_size; in rdma_max_mad_size()
3330 * rdma_cap_roce_gid_table - Check if the port of device uses roce_gid_table
3346 device->ops.add_gid && device->ops.del_gid; in rdma_cap_roce_gid_table()
3362 * rdma_core_cap_opa_port - Return whether the RDMA Port is OPA or not.
3371 return (device->port_data[port_num].immutable.core_cap_flags & in rdma_core_cap_opa_port()
3376 * rdma_mtu_enum_to_int - Return the mtu of the port as an integer value.
3382 * -1 if enum value of mtu is not supported.
3394 * rdma_mtu_from_attr - Return the mtu of the port from the port attribute.
3405 return attr->phys_mtu; in rdma_mtu_from_attr()
3407 return ib_mtu_enum_to_int(attr->max_mtu); in rdma_mtu_from_attr()
3442 * the rkey for it into pd->unsafe_global_rkey. This can be used by
3456 * ib_alloc_pd - Allocates an unused protection domain.
3461 * receive queues, address handles, memory regions, and memory windows.
3472 * ib_dealloc_pd - Deallocate kernel PD
3490 * rdma_create_ah - Creates an address handle for the given address vector.
3502 * rdma_create_user_ah - Creates an address handle for the given address vector.
3517 * ib_get_gids_from_rdma_hdr - Get sgid and dgid from GRH or IPv4 header
3529 * ib_get_rdma_header_version - Get the header version
3535 * ib_init_ah_attr_from_wc - Initializes address handle attributes from a
3557 * ib_create_ah_from_wc - Creates an address handle associated with the
3563 * @port_num: The outbound port number to associate with the address.
3572 * rdma_modify_ah - Modifies the address vector associated with an address
3581 * rdma_query_ah - Queries the address vector associated with an address
3595 * rdma_destroy_ah_user - Destroys an address handle.
3603 * rdma_destroy_ah - Destroys an kernel address handle.
3623 if (!pd->device->ops.create_srq) in ib_create_srq()
3624 return ERR_PTR(-EOPNOTSUPP); in ib_create_srq()
3630 * ib_modify_srq - Modifies the attributes for the specified SRQ.
3634 * @srq_attr_mask: A bit-mask used to specify which attributes of the SRQ
3646 * ib_query_srq - Returns the attribute list and current values for the
3655 * ib_destroy_srq_user - Destroys the specified SRQ.
3662 * ib_destroy_srq - Destroys the specified kernel SRQ.
3675 * ib_post_srq_recv - Posts a list of work requests to the specified SRQ.
3687 return srq->device->ops.post_srq_recv(srq, recv_wr, in ib_post_srq_recv()
3695 * ib_create_qp - Creates a kernel QP associated with the specific protection
3709 * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
3713 * @attr_mask: A bit-mask used to specify which attributes of the QP
3725 * ib_modify_qp - Modifies the attributes for the specified QP and then
3730 * @qp_attr_mask: A bit-mask used to specify which attributes of the QP
3738 * ib_query_qp - Returns the attribute list and current values for the
3742 * @qp_attr_mask: A bit-mask used to select specific attributes to query.
3754 * ib_destroy_qp - Destroys the specified QP.
3761 * ib_destroy_qp - Destroys the specified kernel QP.
3772 * ib_open_qp - Obtain a reference to an existing sharable QP.
3773 * @xrcd - XRC domain
3782 * ib_close_qp - Release an external reference to a QP.
3791 * ib_post_send - Posts a list of work requests to the send queue of
3809 return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy); in ib_post_send()
3813 * ib_post_recv - Posts a list of work requests to the receive queue of
3826 return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy); in ib_post_recv()
3863 * ib_create_cq - Creates a CQ on the specified device.
3865 * @comp_handler: A user-specified callback that is invoked when a
3867 * @event_handler: A user-specified callback that is invoked when an
3885 * ib_resize_cq - Modifies the capacity of the CQ.
3894 * rdma_set_cq_moderation - Modifies moderation params of the CQ
3897 * @cq_period: max period of time in usec before triggering an event
3903 * ib_destroy_cq_user - Destroys the specified CQ.
3910 * ib_destroy_cq - Destroys the specified kernel CQ.
3923 * ib_poll_cq - poll a CQ for completion(s)
3932 * non-negative and < num_entries, then the CQ was emptied.
3937 return cq->device->ops.poll_cq(cq, num_entries, wc); in ib_poll_cq()
3941 * ib_req_notify_cq - Request completion notification on a CQ.
3970 return cq->device->ops.req_notify_cq(cq, flags); in ib_req_notify_cq()
3986 return IS_ENABLED(CONFIG_INFINIBAND_VIRT_DMA) && !dev->dma_device; in ib_uses_virt_dma()
3990 * ib_dma_mapping_error - check a DMA addr for error
3998 return dma_mapping_error(dev->dma_device, dma_addr); in ib_dma_mapping_error()
4002 * ib_dma_map_single - Map a kernel virtual address to DMA address
4014 return dma_map_single(dev->dma_device, cpu_addr, size, direction); in ib_dma_map_single()
4018 * ib_dma_unmap_single - Destroy a mapping created by ib_dma_map_single()
4029 dma_unmap_single(dev->dma_device, addr, size, direction); in ib_dma_unmap_single()
4033 * ib_dma_map_page - Map a physical page to DMA address
4048 return dma_map_page(dev->dma_device, page, offset, size, direction); in ib_dma_map_page()
4052 * ib_dma_unmap_page - Destroy a mapping created by ib_dma_map_page()
4063 dma_unmap_page(dev->dma_device, addr, size, direction); in ib_dma_unmap_page()
4074 return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, in ib_dma_map_sg_attrs()
4084 dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, in ib_dma_unmap_sg_attrs()
4089 * ib_dma_map_sgtable_attrs - Map a scatter/gather table to DMA addresses
4101 ib_dma_virt_map_sg(dev, sgt->sgl, sgt->orig_nents); in ib_dma_map_sgtable_attrs()
4104 return dma_map_sgtable(dev->dma_device, sgt, direction, dma_attrs); in ib_dma_map_sgtable_attrs()
4113 dma_unmap_sgtable(dev->dma_device, sgt, direction, dma_attrs); in ib_dma_unmap_sgtable_attrs()
4117 * ib_dma_map_sg - Map a scatter/gather list to DMA addresses
4131 * ib_dma_unmap_sg - Unmap a scatter/gather list of DMA addresses
4145 * ib_dma_max_seg_size - Return the size limit of a single DMA transfer
4154 return dma_get_max_seg_size(dev->dma_device); in ib_dma_max_seg_size()
4158 * ib_dma_sync_single_for_cpu - Prepare DMA region to be accessed by CPU
4170 dma_sync_single_for_cpu(dev->dma_device, addr, size, dir); in ib_dma_sync_single_for_cpu()
4174 * ib_dma_sync_single_for_device - Prepare DMA region to be accessed by device
4186 dma_sync_single_for_device(dev->dma_device, addr, size, dir); in ib_dma_sync_single_for_device()
4189 /* ib_reg_user_mr - register a memory region for virtual addresses from kernel
4195 /* ib_advise_mr - give an advice about an address range in a memory region */
4199 * ib_dereg_mr_user - Deregisters a memory region and removes it from the
4209 * ib_dereg_mr - Deregisters a kernel memory region and removes it from the
4230 * ib_update_fast_reg_key - updates the key portion of the fast_reg MR
4232 * @mr - struct ib_mr pointer to be updated.
4233 * @newkey - new key to be used.
4237 mr->lkey = (mr->lkey & 0xffffff00) | newkey; in ib_update_fast_reg_key()
4238 mr->rkey = (mr->rkey & 0xffffff00) | newkey; in ib_update_fast_reg_key()
4242 * ib_inc_rkey - increments the key portion of the given rkey. Can be used
4244 * @rkey - the rkey to increment.
4253 * ib_attach_mcast - Attaches the specified QP to a multicast group.
4267 * ib_detach_mcast - Detaches the specified QP from a multicast group.
4287 return -EINVAL; in ib_check_mr_access()
4290 return -EINVAL; in ib_check_mr_access()
4293 !(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING)) in ib_check_mr_access()
4294 return -EINVAL; in ib_check_mr_access()
4337 * be valid should use get_device(&ibdev->dev) to hold the memory.
4342 return refcount_inc_not_zero(&dev->refcount); in ib_device_try_get()
4375 mr->iova = 0; in ib_map_mr_sg_zbva()
4392 if (attr->type == RDMA_AH_ATTR_TYPE_ROCE) in rdma_ah_retrieve_dmac()
4393 return attr->roce.dmac; in rdma_ah_retrieve_dmac()
4399 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_set_dlid()
4400 attr->ib.dlid = (u16)dlid; in rdma_ah_set_dlid()
4401 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_dlid()
4402 attr->opa.dlid = dlid; in rdma_ah_set_dlid()
4407 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_get_dlid()
4408 return attr->ib.dlid; in rdma_ah_get_dlid()
4409 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_dlid()
4410 return attr->opa.dlid; in rdma_ah_get_dlid()
4416 attr->sl = sl; in rdma_ah_set_sl()
4421 return attr->sl; in rdma_ah_get_sl()
4427 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_set_path_bits()
4428 attr->ib.src_path_bits = src_path_bits; in rdma_ah_set_path_bits()
4429 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_path_bits()
4430 attr->opa.src_path_bits = src_path_bits; in rdma_ah_set_path_bits()
4435 if (attr->type == RDMA_AH_ATTR_TYPE_IB) in rdma_ah_get_path_bits()
4436 return attr->ib.src_path_bits; in rdma_ah_get_path_bits()
4437 else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_path_bits()
4438 return attr->opa.src_path_bits; in rdma_ah_get_path_bits()
4445 if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_set_make_grd()
4446 attr->opa.make_grd = make_grd; in rdma_ah_set_make_grd()
4451 if (attr->type == RDMA_AH_ATTR_TYPE_OPA) in rdma_ah_get_make_grd()
4452 return attr->opa.make_grd; in rdma_ah_get_make_grd()
4458 attr->port_num = port_num; in rdma_ah_set_port_num()
4463 return attr->port_num; in rdma_ah_get_port_num()
4469 attr->static_rate = static_rate; in rdma_ah_set_static_rate()
4474 return attr->static_rate; in rdma_ah_get_static_rate()
4480 attr->ah_flags = flag; in rdma_ah_set_ah_flags()
4486 return attr->ah_flags; in rdma_ah_get_ah_flags()
4492 return &attr->grh; in rdma_ah_read_grh()
4499 return &attr->grh; in rdma_ah_retrieve_grh()
4506 memcpy(grh->dgid.raw, dgid, sizeof(grh->dgid)); in rdma_ah_set_dgid_raw()
4514 grh->dgid.global.subnet_prefix = prefix; in rdma_ah_set_subnet_prefix()
4522 grh->dgid.global.interface_id = if_id; in rdma_ah_set_interface_id()
4532 attr->ah_flags = IB_AH_GRH; in rdma_ah_set_grh()
4534 grh->dgid = *dgid; in rdma_ah_set_grh()
4535 grh->flow_label = flow_label; in rdma_ah_set_grh()
4536 grh->sgid_index = sgid_index; in rdma_ah_set_grh()
4537 grh->hop_limit = hop_limit; in rdma_ah_set_grh()
4538 grh->traffic_class = traffic_class; in rdma_ah_set_grh()
4539 grh->sgid_attr = NULL; in rdma_ah_set_grh()
4553 * rdma_ah_find_type - Return address handle type.
4573 * ib_lid_cpu16 - Return lid in 16bit CPU encoding.
4588 * ib_lid_be16 - Return lid in 16bit BE encoding.
4599 * ib_get_vector_affinity - Get the affinity mappings of a given completion
4605 * completion vector (returns all-cpus map if the device driver doesn't
4611 if (comp_vector < 0 || comp_vector >= device->num_comp_vectors || in ib_get_vector_affinity()
4612 !device->ops.get_vector_affinity) in ib_get_vector_affinity()
4615 return device->ops.get_vector_affinity(device, comp_vector); in ib_get_vector_affinity()
4620 * rdma_roce_rescan_device - Rescan all of the network devices in the system
4643 * rdma_device_to_ibdev - Get ib_device pointer from device pointer
4655 return coredev->owner; in rdma_device_to_ibdev()
4659 * ibdev_to_node - return the NUMA node for a given ib_device
4664 struct device *parent = ibdev->dev.parent; in ibdev_to_node()
4672 * rdma_device_to_drv_device - Helper macro to reach back to driver's
4677 * ops->device_group.
4690 * rdma_flow_label_to_udp_sport - generate a RoCE v2 UDP src port value based
4706 * rdma_calc_flow_label - generate a RDMA symmetric flow label value based on