xref: /freebsd/sys/dev/irdma/irdma_hmc.h (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
1 /*-
2  * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
3  *
4  * Copyright (c) 2015 - 2022 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 /*$FreeBSD$*/
35 
36 #ifndef IRDMA_HMC_H
37 #define IRDMA_HMC_H
38 
39 #include "irdma_defs.h"
40 
41 #define IRDMA_HMC_MAX_BP_COUNT			512
42 #define IRDMA_MAX_SD_ENTRIES			11
43 #define IRDMA_HW_DBG_HMC_INVALID_BP_MARK	0xca
44 #define IRDMA_HMC_INFO_SIGNATURE		0x484d5347
45 #define IRDMA_HMC_PD_CNT_IN_SD			512
46 #define IRDMA_HMC_DIRECT_BP_SIZE		0x200000
47 #define IRDMA_HMC_MAX_SD_COUNT			8192
48 #define IRDMA_HMC_PAGED_BP_SIZE			4096
49 #define IRDMA_HMC_PD_BP_BUF_ALIGNMENT		4096
50 #define IRDMA_FIRST_VF_FPM_ID			8
51 #define FPM_MULTIPLIER				1024
52 
53 enum irdma_hmc_rsrc_type {
54 	IRDMA_HMC_IW_QP		 = 0,
55 	IRDMA_HMC_IW_CQ		 = 1,
56 	IRDMA_HMC_IW_RESERVED	 = 2,
57 	IRDMA_HMC_IW_HTE	 = 3,
58 	IRDMA_HMC_IW_ARP	 = 4,
59 	IRDMA_HMC_IW_APBVT_ENTRY = 5,
60 	IRDMA_HMC_IW_MR		 = 6,
61 	IRDMA_HMC_IW_XF		 = 7,
62 	IRDMA_HMC_IW_XFFL	 = 8,
63 	IRDMA_HMC_IW_Q1		 = 9,
64 	IRDMA_HMC_IW_Q1FL	 = 10,
65 	IRDMA_HMC_IW_TIMER       = 11,
66 	IRDMA_HMC_IW_FSIMC       = 12,
67 	IRDMA_HMC_IW_FSIAV       = 13,
68 	IRDMA_HMC_IW_PBLE	 = 14,
69 	IRDMA_HMC_IW_RRF	 = 15,
70 	IRDMA_HMC_IW_RRFFL       = 16,
71 	IRDMA_HMC_IW_HDR	 = 17,
72 	IRDMA_HMC_IW_MD		 = 18,
73 	IRDMA_HMC_IW_OOISC       = 19,
74 	IRDMA_HMC_IW_OOISCFFL    = 20,
75 	IRDMA_HMC_IW_MAX, /* Must be last entry */
76 };
77 
78 enum irdma_sd_entry_type {
79 	IRDMA_SD_TYPE_INVALID = 0,
80 	IRDMA_SD_TYPE_PAGED   = 1,
81 	IRDMA_SD_TYPE_DIRECT  = 2,
82 };
83 
84 struct irdma_hmc_obj_info {
85 	u64 base;
86 	u32 max_cnt;
87 	u32 cnt;
88 	u64 size;
89 };
90 
91 struct irdma_hmc_bp {
92 	enum irdma_sd_entry_type entry_type;
93 	struct irdma_dma_mem addr;
94 	u32 sd_pd_index;
95 	u32 use_cnt;
96 };
97 
98 struct irdma_hmc_pd_entry {
99 	struct irdma_hmc_bp bp;
100 	u32 sd_index;
101 	bool rsrc_pg:1;
102 	bool valid:1;
103 };
104 
105 struct irdma_hmc_pd_table {
106 	struct irdma_dma_mem pd_page_addr;
107 	struct irdma_hmc_pd_entry *pd_entry;
108 	struct irdma_virt_mem pd_entry_virt_mem;
109 	u32 use_cnt;
110 	u32 sd_index;
111 };
112 
113 struct irdma_hmc_sd_entry {
114 	enum irdma_sd_entry_type entry_type;
115 	bool valid;
116 	union {
117 		struct irdma_hmc_pd_table pd_table;
118 		struct irdma_hmc_bp bp;
119 	} u;
120 };
121 
122 struct irdma_hmc_sd_table {
123 	struct irdma_virt_mem addr;
124 	u32 sd_cnt;
125 	u32 use_cnt;
126 	struct irdma_hmc_sd_entry *sd_entry;
127 };
128 
129 struct irdma_hmc_info {
130 	u32 signature;
131 	u16 hmc_fn_id;
132 	u16 first_sd_index;
133 	struct irdma_hmc_obj_info *hmc_obj;
134 	struct irdma_virt_mem hmc_obj_virt_mem;
135 	struct irdma_hmc_sd_table sd_table;
136 	u16 sd_indexes[IRDMA_HMC_MAX_SD_COUNT];
137 };
138 
139 struct irdma_update_sd_entry {
140 	u64 cmd;
141 	u64 data;
142 };
143 
144 struct irdma_update_sds_info {
145 	u32 cnt;
146 	u16 hmc_fn_id;
147 	struct irdma_update_sd_entry entry[IRDMA_MAX_SD_ENTRIES];
148 };
149 
150 struct irdma_ccq_cqe_info;
151 struct irdma_hmc_fcn_info {
152 	u32 vf_id;
153 	u8 free_fcn;
154 };
155 
156 struct irdma_hmc_create_obj_info {
157 	struct irdma_hmc_info *hmc_info;
158 	struct irdma_virt_mem add_sd_virt_mem;
159 	u32 rsrc_type;
160 	u32 start_idx;
161 	u32 count;
162 	u32 add_sd_cnt;
163 	enum irdma_sd_entry_type entry_type;
164 	bool privileged;
165 };
166 
167 struct irdma_hmc_del_obj_info {
168 	struct irdma_hmc_info *hmc_info;
169 	struct irdma_virt_mem del_sd_virt_mem;
170 	u32 rsrc_type;
171 	u32 start_idx;
172 	u32 count;
173 	u32 del_sd_cnt;
174 	bool privileged;
175 };
176 
177 int irdma_copy_dma_mem(struct irdma_hw *hw, void *dest_buf,
178 		       struct irdma_dma_mem *src_mem, u64 src_offset, u64 size);
179 int irdma_sc_create_hmc_obj(struct irdma_sc_dev *dev,
180 			    struct irdma_hmc_create_obj_info *info);
181 int irdma_sc_del_hmc_obj(struct irdma_sc_dev *dev,
182 			 struct irdma_hmc_del_obj_info *info, bool reset);
183 int irdma_hmc_sd_one(struct irdma_sc_dev *dev, u16 hmc_fn_id, u64 pa, u32 sd_idx,
184 		     enum irdma_sd_entry_type type,
185 		     bool setsd);
186 int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
187 			   struct irdma_update_sds_info *info);
188 struct irdma_vfdev *irdma_vfdev_from_fpm(struct irdma_sc_dev *dev,
189 					 u16 hmc_fn_id);
190 struct irdma_hmc_info *irdma_vf_hmcinfo_from_fpm(struct irdma_sc_dev *dev,
191 						 u16 hmc_fn_id);
192 int irdma_add_sd_table_entry(struct irdma_hw *hw,
193 			     struct irdma_hmc_info *hmc_info, u32 sd_index,
194 			     enum irdma_sd_entry_type type, u64 direct_mode_sz);
195 int irdma_add_pd_table_entry(struct irdma_sc_dev *dev,
196 			     struct irdma_hmc_info *hmc_info, u32 pd_index,
197 			     struct irdma_dma_mem *rsrc_pg);
198 int irdma_remove_pd_bp(struct irdma_sc_dev *dev,
199 		       struct irdma_hmc_info *hmc_info, u32 idx);
200 int irdma_prep_remove_sd_bp(struct irdma_hmc_info *hmc_info, u32 idx);
201 int irdma_prep_remove_pd_page(struct irdma_hmc_info *hmc_info, u32 idx);
202 #endif /* IRDMA_HMC_H */
203