1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2015 - 2020 Intel Corporation */
3#ifndef IRDMA_HMC_H
4#define IRDMA_HMC_H
5
6#include "defs.h"
7
8#define IRDMA_HMC_MAX_BP_COUNT 512
9#define IRDMA_MAX_SD_ENTRIES 11
10#define IRDMA_HW_DBG_HMC_INVALID_BP_MARK 0xca
11#define IRDMA_HMC_INFO_SIGNATURE 0x484d5347
12#define IRDMA_HMC_PD_CNT_IN_SD 512
13#define IRDMA_HMC_DIRECT_BP_SIZE 0x200000
14#define IRDMA_HMC_MAX_SD_COUNT 8192
15#define IRDMA_HMC_PAGED_BP_SIZE 4096
16#define IRDMA_HMC_PD_BP_BUF_ALIGNMENT 4096
17#define IRDMA_FIRST_VF_FPM_ID 8
18#define FPM_MULTIPLIER 1024
19
20enum irdma_hmc_rsrc_type {
21 IRDMA_HMC_IW_QP = 0,
22 IRDMA_HMC_IW_CQ = 1,
23 IRDMA_HMC_IW_RESERVED = 2,
24 IRDMA_HMC_IW_HTE = 3,
25 IRDMA_HMC_IW_ARP = 4,
26 IRDMA_HMC_IW_APBVT_ENTRY = 5,
27 IRDMA_HMC_IW_MR = 6,
28 IRDMA_HMC_IW_XF = 7,
29 IRDMA_HMC_IW_XFFL = 8,
30 IRDMA_HMC_IW_Q1 = 9,
31 IRDMA_HMC_IW_Q1FL = 10,
32 IRDMA_HMC_IW_TIMER = 11,
33 IRDMA_HMC_IW_FSIMC = 12,
34 IRDMA_HMC_IW_FSIAV = 13,
35 IRDMA_HMC_IW_PBLE = 14,
36 IRDMA_HMC_IW_RRF = 15,
37 IRDMA_HMC_IW_RRFFL = 16,
38 IRDMA_HMC_IW_HDR = 17,
39 IRDMA_HMC_IW_MD = 18,
40 IRDMA_HMC_IW_OOISC = 19,
41 IRDMA_HMC_IW_OOISCFFL = 20,
42 IRDMA_HMC_IW_MAX, /* Must be last entry */
43};
44
45enum irdma_sd_entry_type {
46 IRDMA_SD_TYPE_INVALID = 0,
47 IRDMA_SD_TYPE_PAGED = 1,
48 IRDMA_SD_TYPE_DIRECT = 2,
49};
50
51struct irdma_hmc_obj_info {
52 u64 base;
53 u32 max_cnt;
54 u32 cnt;
55 u64 size;
56};
57
58struct irdma_hmc_bp {
59 enum irdma_sd_entry_type entry_type;
60 struct irdma_dma_mem addr;
61 u32 sd_pd_index;
62 u32 use_cnt;
63};
64
65struct irdma_hmc_pd_entry {
66 struct irdma_hmc_bp bp;
67 u32 sd_index;
68 bool rsrc_pg:1;
69 bool valid:1;
70};
71
72struct irdma_hmc_pd_table {
73 struct irdma_dma_mem pd_page_addr;
74 struct irdma_hmc_pd_entry *pd_entry;
75 struct irdma_virt_mem pd_entry_virt_mem;
76 u32 use_cnt;
77 u32 sd_index;
78};
79
80struct irdma_hmc_sd_entry {
81 enum irdma_sd_entry_type entry_type;
82 bool valid;
83 union {
84 struct irdma_hmc_pd_table pd_table;
85 struct irdma_hmc_bp bp;
86 } u;
87};
88
89struct irdma_hmc_sd_table {
90 struct irdma_virt_mem addr;
91 u32 sd_cnt;
92 u32 use_cnt;
93 struct irdma_hmc_sd_entry *sd_entry;
94};
95
96struct irdma_hmc_info {
97 u32 signature;
98 u8 hmc_fn_id;
99 u16 first_sd_index;
100 struct irdma_hmc_obj_info *hmc_obj;
101 struct irdma_virt_mem hmc_obj_virt_mem;
102 struct irdma_hmc_sd_table sd_table;
103 u16 sd_indexes[IRDMA_HMC_MAX_SD_COUNT];
104};
105
106struct irdma_update_sd_entry {
107 u64 cmd;
108 u64 data;
109};
110
111struct irdma_update_sds_info {
112 u32 cnt;
113 u8 hmc_fn_id;
114 struct irdma_update_sd_entry entry[IRDMA_MAX_SD_ENTRIES];
115};
116
117struct irdma_ccq_cqe_info;
118struct irdma_hmc_fcn_info {
119 u32 vf_id;
120 u8 free_fcn;
121};
122
123struct irdma_hmc_create_obj_info {
124 struct irdma_hmc_info *hmc_info;
125 struct irdma_virt_mem add_sd_virt_mem;
126 u32 rsrc_type;
127 u32 start_idx;
128 u32 count;
129 u32 add_sd_cnt;
130 enum irdma_sd_entry_type entry_type;
131 bool privileged;
132};
133
134struct irdma_hmc_del_obj_info {
135 struct irdma_hmc_info *hmc_info;
136 struct irdma_virt_mem del_sd_virt_mem;
137 u32 rsrc_type;
138 u32 start_idx;
139 u32 count;
140 u32 del_sd_cnt;
141 bool privileged;
142};
143
144int irdma_copy_dma_mem(struct irdma_hw *hw, void *dest_buf,
145 struct irdma_dma_mem *src_mem, u64 src_offset, u64 size);
146int irdma_sc_create_hmc_obj(struct irdma_sc_dev *dev,
147 struct irdma_hmc_create_obj_info *info);
148int irdma_sc_del_hmc_obj(struct irdma_sc_dev *dev,
149 struct irdma_hmc_del_obj_info *info, bool reset);
150int irdma_hmc_sd_one(struct irdma_sc_dev *dev, u8 hmc_fn_id, u64 pa, u32 sd_idx,
151 enum irdma_sd_entry_type type,
152 bool setsd);
153int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
154 struct irdma_update_sds_info *info);
155struct irdma_vfdev *irdma_vfdev_from_fpm(struct irdma_sc_dev *dev,
156 u8 hmc_fn_id);
157struct irdma_hmc_info *irdma_vf_hmcinfo_from_fpm(struct irdma_sc_dev *dev,
158 u8 hmc_fn_id);
159int irdma_add_sd_table_entry(struct irdma_hw *hw,
160 struct irdma_hmc_info *hmc_info, u32 sd_index,
161 enum irdma_sd_entry_type type, u64 direct_mode_sz);
162int irdma_add_pd_table_entry(struct irdma_sc_dev *dev,
163 struct irdma_hmc_info *hmc_info, u32 pd_index,
164 struct irdma_dma_mem *rsrc_pg);
165int irdma_remove_pd_bp(struct irdma_sc_dev *dev,
166 struct irdma_hmc_info *hmc_info, u32 idx);
167int irdma_prep_remove_sd_bp(struct irdma_hmc_info *hmc_info, u32 idx);
168int irdma_prep_remove_pd_page(struct irdma_hmc_info *hmc_info, u32 idx);
169#endif /* IRDMA_HMC_H */
170

source code of linux/drivers/infiniband/hw/irdma/hmc.h