xref: /freebsd/sys/dev/irdma/irdma.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1 /*-
2  * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
3  *
4  * Copyright (c) 2017 - 2023 Intel Corporation
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenFabrics.org BSD license below:
11  *
12  *   Redistribution and use in source and binary forms, with or
13  *   without modification, are permitted provided that the following
14  *   conditions are met:
15  *
16  *    - Redistributions of source code must retain the above
17  *	copyright notice, this list of conditions and the following
18  *	disclaimer.
19  *
20  *    - Redistributions in binary form must reproduce the above
21  *	copyright notice, this list of conditions and the following
22  *	disclaimer in the documentation and/or other materials
23  *	provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #ifndef IRDMA_H
36 #define IRDMA_H
37 
38 #define RDMA_BIT2(type, a) ((u##type) 1UL << a)
39 #define RDMA_MASK3(type, mask, shift)	((u##type) mask << shift)
40 #define MAKEMASK(m, s) ((m) << (s))
41 
42 #define IRDMA_WQEALLOC_WQE_DESC_INDEX_S 20
43 #define IRDMA_WQEALLOC_WQE_DESC_INDEX GENMASK(31, 20)
44 
45 #define IRDMA_CQPTAIL_WQTAIL_S 0
46 #define IRDMA_CQPTAIL_WQTAIL GENMASK(10, 0)
47 #define IRDMA_CQPTAIL_CQP_OP_ERR_S 31
48 #define IRDMA_CQPTAIL_CQP_OP_ERR BIT(31)
49 
50 #define IRDMA_CQPERRCODES_CQP_MINOR_CODE_S 0
51 #define IRDMA_CQPERRCODES_CQP_MINOR_CODE GENMASK(15, 0)
52 #define IRDMA_CQPERRCODES_CQP_MAJOR_CODE_S 16
53 #define IRDMA_CQPERRCODES_CQP_MAJOR_CODE GENMASK(31, 16)
54 #define IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE_S 4
55 #define IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE GENMASK(5, 4)
56 #define IRDMA_GLINT_RATE_INTERVAL_S 0
57 #define IRDMA_GLINT_RATE_INTERVAL GENMASK(4, 0)
58 #define IRDMA_GLINT_RATE_INTRL_ENA_S 6
59 #define IRDMA_GLINT_RATE_INTRL_ENA_M BIT(6)
60 #define IRDMA_GLINT_RATE_INTRL_ENA BIT(6)
61 
62 #define IRDMA_GLINT_DYN_CTL_INTENA_S 0
63 #define IRDMA_GLINT_DYN_CTL_INTENA BIT(0)
64 #define IRDMA_GLINT_DYN_CTL_CLEARPBA_S 1
65 #define IRDMA_GLINT_DYN_CTL_CLEARPBA BIT(1)
66 #define IRDMA_GLINT_DYN_CTL_ITR_INDX_S 3
67 #define IRDMA_GLINT_DYN_CTL_ITR_INDX GENMASK(4, 3)
68 #define IRDMA_GLINT_DYN_CTL_INTERVAL_S 5
69 #define IRDMA_GLINT_DYN_CTL_INTERVAL GENMASK(16, 5)
70 #define IRDMA_GLINT_CEQCTL_ITR_INDX_S 11
71 #define IRDMA_GLINT_CEQCTL_ITR_INDX GENMASK(12, 11)
72 #define IRDMA_GLINT_CEQCTL_CAUSE_ENA_S 30
73 #define IRDMA_GLINT_CEQCTL_CAUSE_ENA BIT(30)
74 #define IRDMA_GLINT_CEQCTL_MSIX_INDX_S 0
75 #define IRDMA_GLINT_CEQCTL_MSIX_INDX GENMASK(10, 0)
76 #define IRDMA_PFINT_AEQCTL_MSIX_INDX_S 0
77 #define IRDMA_PFINT_AEQCTL_MSIX_INDX GENMASK(10, 0)
78 #define IRDMA_PFINT_AEQCTL_ITR_INDX_S 11
79 #define IRDMA_PFINT_AEQCTL_ITR_INDX GENMASK(12, 11)
80 #define IRDMA_PFINT_AEQCTL_CAUSE_ENA_S 30
81 #define IRDMA_PFINT_AEQCTL_CAUSE_ENA BIT(30)
82 #define IRDMA_PFHMC_PDINV_PMSDIDX_S 0
83 #define IRDMA_PFHMC_PDINV_PMSDIDX GENMASK(11, 0)
84 #define IRDMA_PFHMC_PDINV_PMSDPARTSEL_S 15
85 #define IRDMA_PFHMC_PDINV_PMSDPARTSEL BIT(15)
86 #define IRDMA_PFHMC_PDINV_PMPDIDX_S 16
87 #define IRDMA_PFHMC_PDINV_PMPDIDX GENMASK(24, 16)
88 #define IRDMA_PFHMC_SDDATALOW_PMSDVALID_S 0
89 #define IRDMA_PFHMC_SDDATALOW_PMSDVALID BIT(0)
90 #define IRDMA_PFHMC_SDDATALOW_PMSDTYPE_S 1
91 #define IRDMA_PFHMC_SDDATALOW_PMSDTYPE BIT(1)
92 #define IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT_S 2
93 #define IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT GENMASK(11, 2)
94 #define IRDMA_PFHMC_SDDATALOW_PMSDDATALOW_S 12
95 #define IRDMA_PFHMC_SDDATALOW_PMSDDATALOW GENMASK(31, 12)
96 #define IRDMA_PFHMC_SDCMD_PMSDWR_S 31
97 #define IRDMA_PFHMC_SDCMD_PMSDWR BIT(31)
98 #define IRDMA_PFHMC_SDCMD_PMSDPARTSEL_S 15
99 #define IRDMA_PFHMC_SDCMD_PMSDPARTSEL BIT(15)
100 
101 #define IRDMA_INVALID_CQ_IDX 0xffffffff
102 
103 enum irdma_dyn_idx_t {
104 	IRDMA_IDX_ITR0 = 0,
105 	IRDMA_IDX_ITR1 = 1,
106 	IRDMA_IDX_ITR2 = 2,
107 	IRDMA_IDX_NOITR = 3,
108 };
109 
110 enum irdma_registers {
111 	IRDMA_CQPTAIL,
112 	IRDMA_CQPDB,
113 	IRDMA_CCQPSTATUS,
114 	IRDMA_CCQPHIGH,
115 	IRDMA_CCQPLOW,
116 	IRDMA_CQARM,
117 	IRDMA_CQACK,
118 	IRDMA_AEQALLOC,
119 	IRDMA_CQPERRCODES,
120 	IRDMA_WQEALLOC,
121 	IRDMA_GLINT_DYN_CTL,
122 	IRDMA_DB_ADDR_OFFSET,
123 	IRDMA_GLPCI_LBARCTRL,
124 	IRDMA_GLPE_CPUSTATUS0,
125 	IRDMA_GLPE_CPUSTATUS1,
126 	IRDMA_GLPE_CPUSTATUS2,
127 	IRDMA_PFINT_AEQCTL,
128 	IRDMA_GLINT_CEQCTL,
129 	IRDMA_VSIQF_PE_CTL1,
130 	IRDMA_PFHMC_PDINV,
131 	IRDMA_GLHMC_VFPDINV,
132 	IRDMA_GLPE_CRITERR,
133 	IRDMA_GLINT_RATE,
134 	IRDMA_MAX_REGS, /* Must be last entry */
135 };
136 
137 enum irdma_shifts {
138 	IRDMA_CCQPSTATUS_CCQP_DONE_S,
139 	IRDMA_CCQPSTATUS_CCQP_ERR_S,
140 	IRDMA_CQPSQ_STAG_PDID_S,
141 	IRDMA_CQPSQ_CQ_CEQID_S,
142 	IRDMA_CQPSQ_CQ_CQID_S,
143 	IRDMA_COMMIT_FPM_CQCNT_S,
144 	IRDMA_CQPSQ_UPESD_HMCFNID_S,
145 	IRDMA_MAX_SHIFTS,
146 };
147 
148 enum irdma_masks {
149 	IRDMA_CCQPSTATUS_CCQP_DONE_M,
150 	IRDMA_CCQPSTATUS_CCQP_ERR_M,
151 	IRDMA_CQPSQ_STAG_PDID_M,
152 	IRDMA_CQPSQ_CQ_CEQID_M,
153 	IRDMA_CQPSQ_CQ_CQID_M,
154 	IRDMA_COMMIT_FPM_CQCNT_M,
155 	IRDMA_CQPSQ_UPESD_HMCFNID_M,
156 	IRDMA_MAX_MASKS, /* Must be last entry */
157 };
158 
159 #define IRDMA_MAX_MGS_PER_CTX	8
160 
161 struct irdma_mcast_grp_ctx_entry_info {
162 	u32 qp_id;
163 	bool valid_entry;
164 	u16 dest_port;
165 	u32 use_cnt;
166 };
167 
168 struct irdma_mcast_grp_info {
169 	u8 dest_mac_addr[ETHER_ADDR_LEN];
170 	u16 vlan_id;
171 	u16 hmc_fcn_id;
172 	bool ipv4_valid:1;
173 	bool vlan_valid:1;
174 	u16 mg_id;
175 	u32 no_of_mgs;
176 	u32 dest_ip_addr[4];
177 	u16 qs_handle;
178 	struct irdma_dma_mem dma_mem_mc;
179 	struct irdma_mcast_grp_ctx_entry_info mg_ctx_info[IRDMA_MAX_MGS_PER_CTX];
180 };
181 
182 enum irdma_vers {
183 	IRDMA_GEN_RSVD = 0,
184 	IRDMA_GEN_1 = 1,
185 	IRDMA_GEN_2 = 2,
186 	IRDMA_GEN_MAX = 2,
187 };
188 
189 struct irdma_uk_attrs {
190 	u64 feature_flags;
191 	u32 max_hw_wq_frags;
192 	u32 max_hw_read_sges;
193 	u32 max_hw_inline;
194 	u32 max_hw_rq_quanta;
195 	u32 max_hw_wq_quanta;
196 	u32 min_hw_cq_size;
197 	u32 max_hw_cq_size;
198 	u16 max_hw_sq_chunk;
199 	u16 min_hw_wq_size;
200 	u8 hw_rev;
201 };
202 
203 struct irdma_hw_attrs {
204 	struct irdma_uk_attrs uk_attrs;
205 	u64 max_hw_outbound_msg_size;
206 	u64 max_hw_inbound_msg_size;
207 	u64 max_mr_size;
208 	u64 page_size_cap;
209 	u32 min_hw_qp_id;
210 	u32 min_hw_aeq_size;
211 	u32 max_hw_aeq_size;
212 	u32 min_hw_ceq_size;
213 	u32 max_hw_ceq_size;
214 	u32 max_hw_device_pages;
215 	u32 max_hw_vf_fpm_id;
216 	u32 first_hw_vf_fpm_id;
217 	u32 max_hw_ird;
218 	u32 max_hw_ord;
219 	u32 max_hw_wqes;
220 	u32 max_hw_pds;
221 	u32 max_hw_ena_vf_count;
222 	u32 max_qp_wr;
223 	u32 max_pe_ready_count;
224 	u32 max_done_count;
225 	u32 max_sleep_count;
226 	u32 max_cqp_compl_wait_time_ms;
227 	u16 max_stat_inst;
228 	u16 max_stat_idx;
229 };
230 
231 void icrdma_init_hw(struct irdma_sc_dev *dev);
232 void irdma_check_fc_for_qp(struct irdma_sc_vsi *vsi, struct irdma_sc_qp *sc_qp);
233 #endif /* IRDMA_H*/
234