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gerrit-public.fairphone.software / kernel / msm-5.4 / f855df220238436d10c3de67da0b1a280a2092b4 / . / drivers / net / ethernet / qlogic / qed / qed_roce.h
blob: 9742af51618301c633997a939bb6242f2e83a61c [file] [log] [blame]
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]1/* QLogic qed NIC Driver
Mintz, Yuvale8f1cb52017-01-01 13:57:00 +0200[diff] [blame]2 * Copyright (c) 2015-2017 QLogic Corporation
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32#ifndef _QED_ROCE_H
33#define _QED_ROCE_H
34#include <linux/types.h>
35#include <linux/bitops.h>
36#include <linux/kernel.h>
37#include <linux/list.h>
38#include <linux/slab.h>
39#include <linux/spinlock.h>
40#include <linux/qed/qed_if.h>
41#include <linux/qed/qed_roce_if.h>
42#include "qed.h"
43#include "qed_dev_api.h"
44#include "qed_hsi.h"
Ram Amraniabd49672016-10-01 22:00:01 +0300[diff] [blame]45#include "qed_ll2.h"
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]46
47#define QED_RDMA_MAX_FMR (RDMA_MAX_TIDS)
48#define QED_RDMA_MAX_P_KEY (1)
49#define QED_RDMA_MAX_WQE (0x7FFF)
50#define QED_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF)
51#define QED_RDMA_PAGE_SIZE_CAPS (0xFFFFF000)
52#define QED_RDMA_ACK_DELAY (15)
53#define QED_RDMA_MAX_MR_SIZE (0x10000000000ULL)
54#define QED_RDMA_MAX_CQS (RDMA_MAX_CQS)
55#define QED_RDMA_MAX_MRS (RDMA_MAX_TIDS)
56/* Add 1 for header element */
57#define QED_RDMA_MAX_SRQ_ELEM_PER_WQE (RDMA_MAX_SGE_PER_RQ_WQE + 1)
58#define QED_RDMA_MAX_SGE_PER_SRQ_WQE (RDMA_MAX_SGE_PER_RQ_WQE)
59#define QED_RDMA_SRQ_WQE_ELEM_SIZE (16)
60#define QED_RDMA_MAX_SRQS (32 * 1024)
61
62#define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1)
63#define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1)
64
65enum qed_rdma_toggle_bit {
66 QED_RDMA_TOGGLE_BIT_CLEAR = 0,
67 QED_RDMA_TOGGLE_BIT_SET = 1
68};
69
Ram Amranie015d582017-04-30 11:49:08 +0300[diff] [blame]70#define QED_RDMA_MAX_BMAP_NAME (10)
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]71struct qed_bmap {
72 unsigned long *bitmap;
73 u32 max_count;
Ram Amranie015d582017-04-30 11:49:08 +0300[diff] [blame]74 char name[QED_RDMA_MAX_BMAP_NAME];
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]75};
76
77struct qed_rdma_info {
78 /* spin lock to protect bitmaps */
79 spinlock_t lock;
80
81 struct qed_bmap cq_map;
82 struct qed_bmap pd_map;
83 struct qed_bmap tid_map;
84 struct qed_bmap qp_map;
85 struct qed_bmap srq_map;
86 struct qed_bmap cid_map;
Mintz, Yuvalbe086e72017-03-11 18:39:18 +0200[diff] [blame]87 struct qed_bmap real_cid_map;
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]88 struct qed_bmap dpi_map;
89 struct qed_bmap toggle_bits;
90 struct qed_rdma_events events;
91 struct qed_rdma_device *dev;
92 struct qed_rdma_port *port;
93 u32 last_tid;
94 u8 num_cnqs;
95 u32 num_qps;
96 u32 num_mrs;
97 u16 queue_zone_base;
Mintz, Yuvalbe086e72017-03-11 18:39:18 +0200[diff] [blame]98 u16 max_queue_zones;
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]99 enum protocol_type proto;
100};
101
Ram Amranif1093942016-10-01 21:59:59 +0300[diff] [blame]102struct qed_rdma_qp {
103 struct regpair qp_handle;
104 struct regpair qp_handle_async;
105 u32 qpid;
106 u16 icid;
107 enum qed_roce_qp_state cur_state;
108 bool use_srq;
109 bool signal_all;
110 bool fmr_and_reserved_lkey;
111
112 bool incoming_rdma_read_en;
113 bool incoming_rdma_write_en;
114 bool incoming_atomic_en;
115 bool e2e_flow_control_en;
116
117 u16 pd;
118 u16 pkey;
119 u32 dest_qp;
120 u16 mtu;
121 u16 srq_id;
122 u8 traffic_class_tos;
123 u8 hop_limit_ttl;
124 u16 dpi;
125 u32 flow_label;
126 bool lb_indication;
127 u16 vlan_id;
128 u32 ack_timeout;
129 u8 retry_cnt;
130 u8 rnr_retry_cnt;
131 u8 min_rnr_nak_timer;
132 bool sqd_async;
133 union qed_gid sgid;
134 union qed_gid dgid;
135 enum roce_mode roce_mode;
136 u16 udp_src_port;
137 u8 stats_queue;
138
139 /* requeseter */
140 u8 max_rd_atomic_req;
141 u32 sq_psn;
142 u16 sq_cq_id;
143 u16 sq_num_pages;
144 dma_addr_t sq_pbl_ptr;
145 void *orq;
146 dma_addr_t orq_phys_addr;
147 u8 orq_num_pages;
148 bool req_offloaded;
149
150 /* responder */
151 u8 max_rd_atomic_resp;
152 u32 rq_psn;
153 u16 rq_cq_id;
154 u16 rq_num_pages;
155 dma_addr_t rq_pbl_ptr;
156 void *irq;
157 dma_addr_t irq_phys_addr;
158 u8 irq_num_pages;
159 bool resp_offloaded;
Mintz, Yuvalbe086e72017-03-11 18:39:18 +0200[diff] [blame]160 u32 cq_prod;
Ram Amranif1093942016-10-01 21:59:59 +0300[diff] [blame]161
162 u8 remote_mac_addr[6];
163 u8 local_mac_addr[6];
164
165 void *shared_queue;
166 dma_addr_t shared_queue_phys_addr;
167};
168
Yuval Mintz0189efb2016-10-13 22:57:02 +0300[diff] [blame]169#if IS_ENABLED(CONFIG_QED_RDMA)
170void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
Mintz, Yuvalbe086e72017-03-11 18:39:18 +0200[diff] [blame]171void qed_roce_async_event(struct qed_hwfn *p_hwfn,
172 u8 fw_event_code, union rdma_eqe_data *rdma_data);
Yuval Mintz0189efb2016-10-13 22:57:02 +0300[diff] [blame]173void qed_ll2b_complete_tx_gsi_packet(struct qed_hwfn *p_hwfn,
174 u8 connection_handle,
175 void *cookie,
176 dma_addr_t first_frag_addr,
177 bool b_last_fragment, bool b_last_packet);
178void qed_ll2b_release_tx_gsi_packet(struct qed_hwfn *p_hwfn,
179 u8 connection_handle,
180 void *cookie,
181 dma_addr_t first_frag_addr,
182 bool b_last_fragment, bool b_last_packet);
183void qed_ll2b_complete_rx_gsi_packet(struct qed_hwfn *p_hwfn,
184 u8 connection_handle,
185 void *cookie,
186 dma_addr_t rx_buf_addr,
187 u16 data_length,
188 u8 data_length_error,
189 u16 parse_flags,
190 u16 vlan,
191 u32 src_mac_addr_hi,
192 u16 src_mac_addr_lo, bool b_last_packet);
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]193#else
Yuval Mintz0189efb2016-10-13 22:57:02 +0300[diff] [blame]194static inline void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) {}
Mintz, Yuvalbe086e72017-03-11 18:39:18 +0200[diff] [blame]195static inline void qed_roce_async_event(struct qed_hwfn *p_hwfn,
196 u8 fw_event_code,
197 union rdma_eqe_data *rdma_data) {}
Yuval Mintz0189efb2016-10-13 22:57:02 +0300[diff] [blame]198static inline void qed_ll2b_complete_tx_gsi_packet(struct qed_hwfn *p_hwfn,
199 u8 connection_handle,
200 void *cookie,
201 dma_addr_t first_frag_addr,
202 bool b_last_fragment,
203 bool b_last_packet) {}
204static inline void qed_ll2b_release_tx_gsi_packet(struct qed_hwfn *p_hwfn,
205 u8 connection_handle,
206 void *cookie,
207 dma_addr_t first_frag_addr,
208 bool b_last_fragment,
209 bool b_last_packet) {}
210static inline void qed_ll2b_complete_rx_gsi_packet(struct qed_hwfn *p_hwfn,
211 u8 connection_handle,
212 void *cookie,
213 dma_addr_t rx_buf_addr,
214 u16 data_length,
215 u8 data_length_error,
216 u16 parse_flags,
217 u16 vlan,
218 u32 src_mac_addr_hi,
219 u16 src_mac_addr_lo,
220 bool b_last_packet) {}
Ram Amrani51ff1722016-10-01 21:59:57 +0300[diff] [blame]221#endif
222#endif