/* * Copyright (c) 2012 - 2018 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef QIB_VERBS_H #define QIB_VERBS_H #include <linux/types.h> #include <linux/spinlock.h> #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/kref.h> #include <linux/workqueue.h> #include <linux/kthread.h> #include <linux/completion.h> #include <rdma/ib_pack.h> #include <rdma/ib_user_verbs.h> #include <rdma/ib_hdrs.h> #include <rdma/rdmavt_qp.h> #include <rdma/rdmavt_cq.h> struct qib_ctxtdata; struct qib_pportdata; struct qib_devdata; struct qib_verbs_txreq; #define QIB_MAX_RDMA_ATOMIC … #define QIB_GUIDS_PER_PORT … #define QIB_PSN_SHIFT … /* * Increment this value if any changes that break userspace ABI * compatibility are made. */ #define QIB_UVERBS_ABI_VERSION … /* IB Performance Manager status values */ #define IB_PMA_SAMPLE_STATUS_DONE … #define IB_PMA_SAMPLE_STATUS_STARTED … #define IB_PMA_SAMPLE_STATUS_RUNNING … /* Mandatory IB performance counter select values. */ #define IB_PMA_PORT_XMIT_DATA … #define IB_PMA_PORT_RCV_DATA … #define IB_PMA_PORT_XMIT_PKTS … #define IB_PMA_PORT_RCV_PKTS … #define IB_PMA_PORT_XMIT_WAIT … #define QIB_VENDOR_IPG … #define IB_DEFAULT_GID_PREFIX … /* Values for set/get portinfo VLCap OperationalVLs */ #define IB_VL_VL0 … #define IB_VL_VL0_1 … #define IB_VL_VL0_3 … #define IB_VL_VL0_7 … #define IB_VL_VL0_14 … static inline int qib_num_vls(int vls) { … } struct qib_pio_header { … } __packed; /* * qib specific data structure that will be hidden from rvt after the queue pair * is made common. */ struct qib_qp_priv { … }; #define QIB_PSN_CREDIT … struct qib_opcode_stats { … }; struct qib_opcode_stats_perctx { … }; struct qib_pma_counters { … }; struct qib_ibport { … }; struct qib_ibdev { … }; struct qib_verbs_counters { … }; static inline struct qib_ibdev *to_idev(struct ib_device *ibdev) { … } /* * Send if not busy or waiting for I/O and either * a RC response is pending or we can process send work requests. */ static inline int qib_send_ok(struct rvt_qp *qp) { … } bool _qib_schedule_send(struct rvt_qp *qp); bool qib_schedule_send(struct rvt_qp *qp); static inline int qib_pkey_ok(u16 pkey1, u16 pkey2) { … } void qib_bad_pkey(struct qib_ibport *ibp, u32 key, u32 sl, u32 qp1, u32 qp2, __be16 lid1, __be16 lid2); void qib_cap_mask_chg(struct rvt_dev_info *rdi, u32 port_num); void qib_sys_guid_chg(struct qib_ibport *ibp); void qib_node_desc_chg(struct qib_ibport *ibp); int qib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const struct ib_mad *in, struct ib_mad *out, size_t *out_mad_size, u16 *out_mad_pkey_index); void qib_notify_create_mad_agent(struct rvt_dev_info *rdi, int port_idx); void qib_notify_free_mad_agent(struct rvt_dev_info *rdi, int port_idx); /* * Compare the lower 24 bits of the two values. * Returns an integer <, ==, or > than zero. */ static inline int qib_cmp24(u32 a, u32 b) { … } int qib_snapshot_counters(struct qib_pportdata *ppd, u64 *swords, u64 *rwords, u64 *spkts, u64 *rpkts, u64 *xmit_wait); int qib_get_counters(struct qib_pportdata *ppd, struct qib_verbs_counters *cntrs); /* * Functions provided by qib driver for rdmavt to use */ unsigned qib_free_all_qps(struct rvt_dev_info *rdi); void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp); void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); void qib_notify_qp_reset(struct rvt_qp *qp); int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, enum ib_qp_type type, u32 port); void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait); #ifdef CONFIG_DEBUG_FS void qib_qp_iter_print(struct seq_file *s, struct rvt_qp_iter *iter); #endif unsigned qib_pkt_delay(u32 plen, u8 snd_mult, u8 rcv_mult); void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail); void qib_put_txreq(struct qib_verbs_txreq *tx); int qib_verbs_send(struct rvt_qp *qp, struct ib_header *hdr, u32 hdrwords, struct rvt_sge_state *ss, u32 len); void qib_uc_rcv(struct qib_ibport *ibp, struct ib_header *hdr, int has_grh, void *data, u32 tlen, struct rvt_qp *qp); void qib_rc_rcv(struct qib_ctxtdata *rcd, struct ib_header *hdr, int has_grh, void *data, u32 tlen, struct rvt_qp *qp); int qib_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr); int qib_check_send_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe, bool *call_send); struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid); void qib_rc_rnr_retry(unsigned long arg); void qib_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr); int qib_post_ud_send(struct rvt_qp *qp, const struct ib_send_wr *wr); void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr, int has_grh, void *data, u32 tlen, struct rvt_qp *qp); void mr_rcu_callback(struct rcu_head *list); void qib_migrate_qp(struct rvt_qp *qp); int qib_ruc_check_hdr(struct qib_ibport *ibp, struct ib_header *hdr, int has_grh, struct rvt_qp *qp, u32 bth0); u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr, const struct ib_global_route *grh, u32 hwords, u32 nwords); void qib_make_ruc_header(struct rvt_qp *qp, struct ib_other_headers *ohdr, u32 bth0, u32 bth2); void _qib_do_send(struct work_struct *work); void qib_do_send(struct rvt_qp *qp); void qib_send_rc_ack(struct rvt_qp *qp); int qib_make_rc_req(struct rvt_qp *qp, unsigned long *flags); int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags); int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags); int qib_register_ib_device(struct qib_devdata *); void qib_unregister_ib_device(struct qib_devdata *); void qib_ib_rcv(struct qib_ctxtdata *, void *, void *, u32); void qib_ib_piobufavail(struct qib_devdata *); unsigned qib_get_npkeys(struct qib_devdata *); unsigned qib_get_pkey(struct qib_ibport *, unsigned); extern const enum ib_wc_opcode ib_qib_wc_opcode[]; /* * Below HCA-independent IB PhysPortState values, returned * by the f_ibphys_portstate() routine. */ #define IB_PHYSPORTSTATE_SLEEP … #define IB_PHYSPORTSTATE_POLL … #define IB_PHYSPORTSTATE_DISABLED … #define IB_PHYSPORTSTATE_CFG_TRAIN … #define IB_PHYSPORTSTATE_LINKUP … #define IB_PHYSPORTSTATE_LINK_ERR_RECOVER … #define IB_PHYSPORTSTATE_CFG_DEBOUNCE … #define IB_PHYSPORTSTATE_CFG_IDLE … #define IB_PHYSPORTSTATE_RECOVERY_RETRAIN … #define IB_PHYSPORTSTATE_RECOVERY_WAITRMT … #define IB_PHYSPORTSTATE_RECOVERY_IDLE … #define IB_PHYSPORTSTATE_CFG_ENH … #define IB_PHYSPORTSTATE_CFG_WAIT_ENH … extern const int ib_rvt_state_ops[]; extern __be64 ib_qib_sys_image_guid; /* in network order */ extern unsigned int ib_rvt_lkey_table_size; extern unsigned int ib_qib_max_cqes; extern unsigned int ib_qib_max_cqs; extern unsigned int ib_qib_max_qp_wrs; extern unsigned int ib_qib_max_qps; extern unsigned int ib_qib_max_sges; extern unsigned int ib_qib_max_mcast_grps; extern unsigned int ib_qib_max_mcast_qp_attached; extern unsigned int ib_qib_max_srqs; extern unsigned int ib_qib_max_srq_sges; extern unsigned int ib_qib_max_srq_wrs; extern const u32 ib_qib_rnr_table[]; extern const struct rvt_operation_params qib_post_parms[]; #endif /* QIB_VERBS_H */
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