MAJOR=4 MINOR=55 DEVNAME=tty55 QQFile not found. "Slm_J*j"TEqţ hSMAJOR=4 MINOR=48 DEVNAME=tty48 U M8U/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright(c) 2016 - 2019 Intel Corporation. */ #ifndef DEF_RDMA_VT_H #define DEF_RDMA_VT_H /* * Structure that low level drivers will populate in order to register with the * rdmavt layer. */ #include #include #include #include #include #include #define RVT_MAX_PKEY_VALUES 16 #define RVT_MAX_TRAP_LEN 100 /* Limit pending trap list */ #define RVT_MAX_TRAP_LISTS 5 /*((IB_NOTICE_TYPE_INFO & 0x0F) + 1)*/ #define RVT_TRAP_TIMEOUT 4096 /* 4.096 usec */ struct trap_list { u32 list_len; struct list_head list; }; struct rvt_qp; struct rvt_qpn_table; struct rvt_ibport { struct rvt_qp __rcu *qp[2]; struct ib_mad_agent *send_agent; /* agent for SMI (traps) */ struct rb_root mcast_tree; spinlock_t lock; /* protect changes in this struct */ /* non-zero when timer is set */ unsigned long mkey_lease_timeout; unsigned long trap_timeout; __be64 gid_prefix; /* in network order */ __be64 mkey; u64 tid; u32 port_cap_flags; u16 port_cap3_flags; u32 pma_sample_start; u32 pma_sample_interval; __be16 pma_counter_select[5]; u16 pma_tag; u16 mkey_lease_period; u32 sm_lid; u8 sm_sl; u8 mkeyprot; u8 subnet_timeout; u8 vl_high_limit; /* * Driver is expected to keep these up to date. These * counters are informational only and not required to be * completely accurate. */ u64 n_rc_resends; u64 n_seq_naks; u64 n_rdma_seq; u64 n_rnr_naks; u64 n_other_naks; u64 n_loop_pkts; u64 n_pkt_drops; u64 n_vl15_dropped; u64 n_rc_timeouts; u64 n_dmawait; u64 n_unaligned; u64 n_rc_dupreq; u64 n_rc_seqnak; u64 n_rc_crwaits; u16 pkey_violations; u16 qkey_violations; u16 mkey_violations; /* Hot-path per CPU counters to avoid cacheline trading to update */ u64 z_rc_acks; u64 z_rc_qacks; u64 z_rc_delayed_comp; u64 __percpu *rc_acks; u64 __percpu *rc_qacks; u64 __percpu *rc_delayed_comp; void *priv; /* driver private data */ /* * The pkey table is allocated and maintained by the driver. Drivers * need to have access to this before registering with rdmav. However * rdmavt will need access to it so drivers need to provide this during * the attach port API call. */ u16 *pkey_table; struct rvt_ah *sm_ah; /* * Keep a list of traps that have not been repressed. They will be * resent based on trap_timer. */ struct trap_list trap_lists[RVT_MAX_TRAP_LISTS]; struct timer_list trap_timer; }; #define RVT_CQN_MAX 16 /* maximum length of cq name */ #define RVT_SGE_COPY_MEMCPY 0 #define RVT_SGE_COPY_CACHELESS 1 #define RVT_SGE_COPY_ADAPTIVE 2 /* * Things that are driver specific, module parameters in hfi1 and qib */ struct rvt_driver_params { struct ib_device_attr props; /* * Anything driver specific that is not covered by props * For instance special module parameters. Goes here. */ unsigned int lkey_table_size; unsigned int qp_table_size; unsigned int sge_copy_mode; unsigned int wss_threshold; unsigned int wss_clean_period; int qpn_start; int qpn_inc; int qpn_res_start; int qpn_res_end; int nports; int npkeys; int node; int psn_mask; int psn_shift; int psn_modify_mask; u32 core_cap_flags; u32 max_mad_size; u8 qos_shift; u8 max_rdma_atomic; u8 extra_rdma_atomic; u8 reserved_operations; }; /* User context */ struct rvt_ucontext { struct ib_ucontext ibucontext; }; /* Protection domain */ struct rvt_pd { struct ib_pd ibpd; bool user; }; /* Address handle */ struct rvt_ah { struct ib_ah ibah; struct rdma_ah_attr attr; u8 vl; u8 log_pmtu; }; /* * This structure is used by rvt_mmap() to validate an offset * when an mmap() request is made. The vm_area_struct then uses * this as its vm_private_data. */ struct rvt_mmap_info { struct list_head pending_mmaps; struct ib_ucontext *context; void *obj; __