| /* QLogic qed NIC Driver |
| * Copyright (c) 2015-2016 QLogic 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 |
| * 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 _QED_ROCE_H |
| #define _QED_ROCE_H |
| #include <linux/types.h> |
| #include <linux/bitops.h> |
| #include <linux/kernel.h> |
| #include <linux/list.h> |
| #include <linux/slab.h> |
| #include <linux/spinlock.h> |
| #include <linux/qed/qed_if.h> |
| #include <linux/qed/qed_roce_if.h> |
| #include "qed.h" |
| #include "qed_dev_api.h" |
| #include "qed_hsi.h" |
| #include "qed_ll2.h" |
| |
| #define QED_RDMA_MAX_FMR (RDMA_MAX_TIDS) |
| #define QED_RDMA_MAX_P_KEY (1) |
| #define QED_RDMA_MAX_WQE (0x7FFF) |
| #define QED_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF) |
| #define QED_RDMA_PAGE_SIZE_CAPS (0xFFFFF000) |
| #define QED_RDMA_ACK_DELAY (15) |
| #define QED_RDMA_MAX_MR_SIZE (0x10000000000ULL) |
| #define QED_RDMA_MAX_CQS (RDMA_MAX_CQS) |
| #define QED_RDMA_MAX_MRS (RDMA_MAX_TIDS) |
| /* Add 1 for header element */ |
| #define QED_RDMA_MAX_SRQ_ELEM_PER_WQE (RDMA_MAX_SGE_PER_RQ_WQE + 1) |
| #define QED_RDMA_MAX_SGE_PER_SRQ_WQE (RDMA_MAX_SGE_PER_RQ_WQE) |
| #define QED_RDMA_SRQ_WQE_ELEM_SIZE (16) |
| #define QED_RDMA_MAX_SRQS (32 * 1024) |
| |
| #define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1) |
| #define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1) |
| |
| enum qed_rdma_toggle_bit { |
| QED_RDMA_TOGGLE_BIT_CLEAR = 0, |
| QED_RDMA_TOGGLE_BIT_SET = 1 |
| }; |
| |
| struct qed_bmap { |
| unsigned long *bitmap; |
| u32 max_count; |
| }; |
| |
| struct qed_rdma_info { |
| /* spin lock to protect bitmaps */ |
| spinlock_t lock; |
| |
| struct qed_bmap cq_map; |
| struct qed_bmap pd_map; |
| struct qed_bmap tid_map; |
| struct qed_bmap qp_map; |
| struct qed_bmap srq_map; |
| struct qed_bmap cid_map; |
| struct qed_bmap dpi_map; |
| struct qed_bmap toggle_bits; |
| struct qed_rdma_events events; |
| struct qed_rdma_device *dev; |
| struct qed_rdma_port *port; |
| u32 last_tid; |
| u8 num_cnqs; |
| u32 num_qps; |
| u32 num_mrs; |
| u16 queue_zone_base; |
| enum protocol_type proto; |
| }; |
| |
| struct qed_rdma_qp { |
| struct regpair qp_handle; |
| struct regpair qp_handle_async; |
| u32 qpid; |
| u16 icid; |
| enum qed_roce_qp_state cur_state; |
| bool use_srq; |
| bool signal_all; |
| bool fmr_and_reserved_lkey; |
| |
| bool incoming_rdma_read_en; |
| bool incoming_rdma_write_en; |
| bool incoming_atomic_en; |
| bool e2e_flow_control_en; |
| |
| u16 pd; |
| u16 pkey; |
| u32 dest_qp; |
| u16 mtu; |
| u16 srq_id; |
| u8 traffic_class_tos; |
| u8 hop_limit_ttl; |
| u16 dpi; |
| u32 flow_label; |
| bool lb_indication; |
| u16 vlan_id; |
| u32 ack_timeout; |
| u8 retry_cnt; |
| u8 rnr_retry_cnt; |
| u8 min_rnr_nak_timer; |
| bool sqd_async; |
| union qed_gid sgid; |
| union qed_gid dgid; |
| enum roce_mode roce_mode; |
| u16 udp_src_port; |
| u8 stats_queue; |
| |
| /* requeseter */ |
| u8 max_rd_atomic_req; |
| u32 sq_psn; |
| u16 sq_cq_id; |
| u16 sq_num_pages; |
| dma_addr_t sq_pbl_ptr; |
| void *orq; |
| dma_addr_t orq_phys_addr; |
| u8 orq_num_pages; |
| bool req_offloaded; |
| |
| /* responder */ |
| u8 max_rd_atomic_resp; |
| u32 rq_psn; |
| u16 rq_cq_id; |
| u16 rq_num_pages; |
| dma_addr_t rq_pbl_ptr; |
| void *irq; |
| dma_addr_t irq_phys_addr; |
| u8 irq_num_pages; |
| bool resp_offloaded; |
| |
| u8 remote_mac_addr[6]; |
| u8 local_mac_addr[6]; |
| |
| void *shared_queue; |
| dma_addr_t shared_queue_phys_addr; |
| }; |
| |
| #if IS_ENABLED(CONFIG_QED_RDMA) |
| void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); |
| void qed_async_roce_event(struct qed_hwfn *p_hwfn, |
| struct event_ring_entry *p_eqe); |
| void qed_ll2b_complete_tx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t first_frag_addr, |
| bool b_last_fragment, bool b_last_packet); |
| void qed_ll2b_release_tx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t first_frag_addr, |
| bool b_last_fragment, bool b_last_packet); |
| void qed_ll2b_complete_rx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t rx_buf_addr, |
| u16 data_length, |
| u8 data_length_error, |
| u16 parse_flags, |
| u16 vlan, |
| u32 src_mac_addr_hi, |
| u16 src_mac_addr_lo, bool b_last_packet); |
| #else |
| static inline void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) {} |
| static inline void qed_async_roce_event(struct qed_hwfn *p_hwfn, struct event_ring_entry *p_eqe) {} |
| static inline void qed_ll2b_complete_tx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t first_frag_addr, |
| bool b_last_fragment, |
| bool b_last_packet) {} |
| static inline void qed_ll2b_release_tx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t first_frag_addr, |
| bool b_last_fragment, |
| bool b_last_packet) {} |
| static inline void qed_ll2b_complete_rx_gsi_packet(struct qed_hwfn *p_hwfn, |
| u8 connection_handle, |
| void *cookie, |
| dma_addr_t rx_buf_addr, |
| u16 data_length, |
| u8 data_length_error, |
| u16 parse_flags, |
| u16 vlan, |
| u32 src_mac_addr_hi, |
| u16 src_mac_addr_lo, |
| bool b_last_packet) {} |
| #endif |
| #endif |
