/*- * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB * * Copyright (c) 2015 - 2022 Intel Corporation * * 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 * OpenFabrics.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. */ /*$FreeBSD$*/ #ifndef IRDMA_VERBS_H #define IRDMA_VERBS_H #define IRDMA_MAX_SAVED_PHY_PGADDR 4 #define IRDMA_FLUSH_DELAY_MS 20 #define IRDMA_PKEY_TBL_SZ 1 #define IRDMA_DEFAULT_PKEY 0xFFFF #define iwdev_to_idev(iwdev) (&(iwdev)->rf->sc_dev) struct irdma_ucontext { struct ib_ucontext ibucontext; struct irdma_device *iwdev; struct rdma_user_mmap_entry *db_mmap_entry; struct list_head cq_reg_mem_list; spinlock_t cq_reg_mem_list_lock; /* protect CQ memory list */ struct list_head qp_reg_mem_list; spinlock_t qp_reg_mem_list_lock; /* protect QP memory list */ /* FIXME: Move to kcompat ideally. Used < 4.20.0 for old diassasscoaite flow */ struct list_head vma_list; struct mutex vma_list_mutex; /* protect the vma_list */ int abi_ver; bool legacy_mode; }; struct irdma_pd { struct ib_pd ibpd; struct irdma_sc_pd sc_pd; }; struct irdma_av { u8 macaddr[16]; struct ib_ah_attr attrs; union { struct sockaddr saddr; struct sockaddr_in saddr_in; struct sockaddr_in6 saddr_in6; } sgid_addr, dgid_addr; u8 net_type; }; struct irdma_ah { struct ib_ah ibah; struct irdma_sc_ah sc_ah; struct irdma_pd *pd; struct irdma_av av; u8 sgid_index; union ib_gid dgid; }; struct irdma_hmc_pble { union { u32 idx; dma_addr_t addr; }; }; struct irdma_cq_mr { struct irdma_hmc_pble cq_pbl; dma_addr_t shadow; bool split; }; struct irdma_qp_mr { struct irdma_hmc_pble sq_pbl; struct irdma_hmc_pble rq_pbl; dma_addr_t shadow; struct page *sq_page; }; struct irdma_cq_buf { struct irdma_dma_mem kmem_buf; struct irdma_cq_uk cq_uk; struct irdma_hw *hw; struct list_head list; struct work_struct work; }; struct irdma_pbl { struct list_head list; union { struct irdma_qp_mr qp_mr; struct irdma_cq_mr cq_mr; }; bool pbl_allocated:1; bool on_list:1; u64 user_base; struct irdma_pble_alloc pble_alloc; struct irdma_mr *iwmr; }; struct irdma_mr { union { struct ib_mr ibmr; struct ib_mw ibmw; }; struct ib_umem *region; int access; u8 is_hwreg; u16 type; u32 page_cnt; u64 page_size; u64 page_msk; u32 npages; u32 stag; u64 len; u64 pgaddrmem[IRDMA_MAX_SAVED_PHY_PGADDR]; struct irdma_pbl iwpbl; }; struct irdma_cq { struct ib_cq ibcq; struct irdma_sc_cq sc_cq; u16 cq_head; u16 cq_size; u16 cq_num; bool user_mode; atomic_t armed; enum irdma_cmpl_notify last_notify; u32 polled_cmpls; u32 cq_mem_size; struct irdma_dma_mem kmem; struct irdma_dma_mem kmem_shadow; struct completion free_cq; atomic_t refcnt; spinlock_t lock; /* for poll cq */ struct irdma_pbl *iwpbl; struct irdma_pbl *iwpbl_shadow; struct list_head resize_list; struct irdma_cq_poll_info cur_cqe; struct list_head cmpl_generated; }; struct irdma_cmpl_gen { struct list_head list; struct irdma_cq_poll_info cpi; }; struct disconn_work { struct work_struct work; struct irdma_qp *iwqp; }; struct iw_cm_id; struct irdma_qp_kmode { struct irdma_dma_mem dma_mem; u32 *sig_trk_mem; struct irdma_sq_uk_wr_trk_info *sq_wrid_mem; u64 *rq_wrid_mem; }; struct irdma_qp { struct ib_qp ibqp; struct irdma_sc_qp sc_qp; struct irdma_device *iwdev; struct irdma_cq *iwscq; struct irdma_cq *iwrcq; struct irdma_pd *iwpd; struct rdma_user_mmap_entry *push_wqe_mmap_entry; struct rdma_user_mmap_entry *push_db_mmap_entry; struct irdma_qp_host_ctx_info ctx_info; union { struct irdma_iwarp_offload_info iwarp_info; struct irdma_roce_offload_info roce_info; }; union { struct irdma_tcp_offload_info tcp_info; struct irdma_udp_offload_info udp_info; }; struct irdma_ah roce_ah; struct list_head teardown_entry; atomic_t refcnt; struct iw_cm_id *cm_id; struct irdma_cm_node *cm_node; struct delayed_work dwork_flush; struct ib_mr *lsmm_mr; atomic_t hw_mod_qp_pend; enum ib_qp_state ibqp_state; u32 qp_mem_size; u32 last_aeq; int max_send_wr; int max_recv_wr; atomic_t close_timer_started; spinlock_t lock; /* serialize posting WRs to SQ/RQ */ struct irdma_qp_context *iwqp_context; void *pbl_vbase; dma_addr_t pbl_pbase; struct page *page; u8 iwarp_state; u16 term_sq_flush_code; u16 term_rq_flush_code; u8 hw_iwarp_state; u8 hw_tcp_state; struct irdma_qp_kmode kqp; struct irdma_dma_mem host_ctx; struct timer_list terminate_timer; struct irdma_pbl *iwpbl; struct irdma_sge *sg_list; struct irdma_dma_mem q2_ctx_mem; struct irdma_dma_mem ietf_mem; struct completion free_qp; wait_queue_head_t waitq; wait_queue_head_t mod_qp_waitq; u8 rts_ae_rcvd; u8 active_conn : 1; u8 user_mode : 1; u8 hte_added : 1; u8 flush_issued : 1; u8 sig_all : 1; u8 pau_mode : 1; }; enum irdma_mmap_flag { IRDMA_MMAP_IO_NC, IRDMA_MMAP_IO_WC, }; struct irdma_user_mmap_entry { struct rdma_user_mmap_entry rdma_entry; u64 bar_offset; u8 mmap_flag; }; static inline u16 irdma_fw_major_ver(struct irdma_sc_dev *dev) { return (u16)FIELD_GET(IRDMA_FW_VER_MAJOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]); } static inline u16 irdma_fw_minor_ver(struct irdma_sc_dev *dev) { return (u16)FIELD_GET(IRDMA_FW_VER_MINOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]); } /** * irdma_mcast_mac_v4 - Get the multicast MAC for an IP address * @ip_addr: IPv4 address * @mac: pointer to result MAC address * */ static inline void irdma_mcast_mac_v4(u32 *ip_addr, u8 *mac) { u8 *ip = (u8 *)ip_addr; unsigned char mac4[ETH_ALEN] = {0x01, 0x00, 0x5E, ip[2] & 0x7F, ip[1], ip[0]}; ether_addr_copy(mac, mac4); } /** * irdma_mcast_mac_v6 - Get the multicast MAC for an IP address * @ip_addr: IPv6 address * @mac: pointer to result MAC address * */ static inline void irdma_mcast_mac_v6(u32 *ip_addr, u8 *mac) { u8 *ip = (u8 *)ip_addr; unsigned char mac6[ETH_ALEN] = {0x33, 0x33, ip[3], ip[2], ip[1], ip[0]}; ether_addr_copy(mac, mac6); } struct rdma_user_mmap_entry* irdma_user_mmap_entry_insert(struct irdma_ucontext *ucontext, u64 bar_offset, enum irdma_mmap_flag mmap_flag, u64 *mmap_offset); int irdma_ib_register_device(struct irdma_device *iwdev); void irdma_ib_unregister_device(struct irdma_device *iwdev); void irdma_ib_qp_event(struct irdma_qp *iwqp, enum irdma_qp_event_type event); void irdma_generate_flush_completions(struct irdma_qp *iwqp); void irdma_remove_cmpls_list(struct irdma_cq *iwcq); int irdma_generated_cmpls(struct irdma_cq *iwcq, struct irdma_cq_poll_info *cq_poll_info); void irdma_sched_qp_flush_work(struct irdma_qp *iwqp); void irdma_flush_worker(struct work_struct *work); #endif /* IRDMA_VERBS_H */