1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
3 */
4
5 #include "ice_common.h"
6 #include "ice_parser_util.h"
7
8 #define ICE_METAINIT_TABLE_SIZE 16
9
10 /**
11 * ice_metainit_dump - dump an metainit item info
12 * @ice_hw: pointer to the hardware structure
13 * @item: metainit item to dump
14 */
ice_metainit_dump(struct ice_hw * hw,struct ice_metainit_item * item)15 void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item)
16 {
17 ice_info(hw, "index = %d\n", item->idx);
18 ice_info(hw, "tsr = %d\n", item->tsr);
19 ice_info(hw, "ho = %d\n", item->ho);
20 ice_info(hw, "pc = %d\n", item->pc);
21 ice_info(hw, "pg_rn = %d\n", item->pg_rn);
22 ice_info(hw, "cd = %d\n", item->cd);
23 ice_info(hw, "gpr_a_ctrl = %d\n", item->gpr_a_ctrl);
24 ice_info(hw, "gpr_a_data_mdid = %d\n", item->gpr_a_data_mdid);
25 ice_info(hw, "gpr_a_data_start = %d\n", item->gpr_a_data_start);
26 ice_info(hw, "gpr_a_data_len = %d\n", item->gpr_a_data_len);
27 ice_info(hw, "gpr_a_id = %d\n", item->gpr_a_id);
28 ice_info(hw, "gpr_b_ctrl = %d\n", item->gpr_b_ctrl);
29 ice_info(hw, "gpr_b_data_mdid = %d\n", item->gpr_b_data_mdid);
30 ice_info(hw, "gpr_b_data_start = %d\n", item->gpr_b_data_start);
31 ice_info(hw, "gpr_b_data_len = %d\n", item->gpr_b_data_len);
32 ice_info(hw, "gpr_b_id = %d\n", item->gpr_b_id);
33 ice_info(hw, "gpr_c_ctrl = %d\n", item->gpr_c_ctrl);
34 ice_info(hw, "gpr_c_data_mdid = %d\n", item->gpr_c_data_mdid);
35 ice_info(hw, "gpr_c_data_start = %d\n", item->gpr_c_data_start);
36 ice_info(hw, "gpr_c_data_len = %d\n", item->gpr_c_data_len);
37 ice_info(hw, "gpr_c_id = %d\n", item->gpr_c_id);
38 ice_info(hw, "gpr_d_ctrl = %d\n", item->gpr_d_ctrl);
39 ice_info(hw, "gpr_d_data_mdid = %d\n", item->gpr_d_data_mdid);
40 ice_info(hw, "gpr_d_data_start = %d\n", item->gpr_d_data_start);
41 ice_info(hw, "gpr_d_data_len = %d\n", item->gpr_d_data_len);
42 ice_info(hw, "gpr_d_id = %d\n", item->gpr_d_id);
43 ice_info(hw, "flags = 0x%016" PRIx64 "\n", item->flags);
44 }
45
46 /** The function parses a 192 bits Metadata Init entry with below format:
47 * BIT 0-7: TCAM Search Key Register (mi->tsr)
48 * BIT 8-16: Header Offset (mi->ho)
49 * BIT 17-24: Program Counter (mi->pc)
50 * BIT 25-35: Parse Graph Root Node (mi->pg_rn)
51 * BIT 36-38: Control Domain (mi->cd)
52 * BIT 39: GPR_A Data Control (mi->gpr_a_ctrl)
53 * BIT 40-44: GPR_A MDID.ID (mi->gpr_a_data_mdid)
54 * BIT 45-48: GPR_A MDID.START (mi->gpr_a_data_start)
55 * BIT 49-53: GPR_A MDID.LEN (mi->gpr_a_data_len)
56 * BIT 54-55: reserved
57 * BIT 56-59: GPR_A ID (mi->gpr_a_id)
58 * BIT 60: GPR_B Data Control (mi->gpr_b_ctrl)
59 * BIT 61-65: GPR_B MDID.ID (mi->gpr_b_data_mdid)
60 * BIT 66-69: GPR_B MDID.START (mi->gpr_b_data_start)
61 * BIT 70-74: GPR_B MDID.LEN (mi->gpr_b_data_len)
62 * BIT 75-76: reserved
63 * BIT 77-80: GPR_B ID (mi->gpr_a_id)
64 * BIT 81: GPR_C Data Control (mi->gpr_c_ctrl)
65 * BIT 82-86: GPR_C MDID.ID (mi->gpr_c_data_mdid)
66 * BIT 87-90: GPR_C MDID.START (mi->gpr_c_data_start)
67 * BIT 91-95: GPR_C MDID.LEN (mi->gpr_c_data_len)
68 * BIT 96-97: reserved
69 * BIT 98-101: GPR_C ID (mi->gpr_c_id)
70 * BIT 102: GPR_D Data Control (mi->gpr_d_ctrl)
71 * BIT 103-107:GPR_D MDID.ID (mi->gpr_d_data_mdid)
72 * BIT 108-111:GPR_D MDID.START (mi->gpr_d_data_start)
73 * BIT 112-116:GPR_D MDID.LEN (mi->gpr_d_data_len)
74 * BIT 117-118:reserved
75 * BIT 119-122:GPR_D ID (mi->gpr_d_id)
76 * BIT 123-186:Flags (mi->flags)
77 * BIT 187-191:rserved
78 */
_metainit_parse_item(struct ice_hw * hw,u16 idx,void * item,void * data,int size)79 static void _metainit_parse_item(struct ice_hw *hw, u16 idx, void *item,
80 void *data, int size)
81 {
82 struct ice_metainit_item *mi = (struct ice_metainit_item *)item;
83 u8 *buf = (u8 *)data;
84 u64 d64;
85
86 mi->idx = idx;
87 d64 = *(u64 *)buf;
88
89 mi->tsr = (u8)(d64 & 0xff);
90 mi->ho = (u16)((d64 >> 8) & 0x1ff);
91 mi->pc = (u16)((d64 >> 17) & 0xff);
92 mi->pg_rn = (u16)((d64 >> 25) & 0x3ff);
93 mi->cd = (u16)((d64 >> 36) & 0x7);
94 mi->gpr_a_ctrl = ((d64 >> 39) & 0x1) != 0;
95 mi->gpr_a_data_mdid = (u8)((d64 >> 40) & 0x1f);
96 mi->gpr_a_data_start = (u8)((d64 >> 45) & 0xf);
97 mi->gpr_a_data_len = (u8)((d64 >> 49) & 0x1f);
98 mi->gpr_a_id = (u8)((d64 >> 56) & 0xf);
99
100 d64 = *(u64 *)&buf[7] >> 4;
101 mi->gpr_b_ctrl = (d64 & 0x1) != 0;
102 mi->gpr_b_data_mdid = (u8)((d64 >> 1) & 0x1f);
103 mi->gpr_b_data_start = (u8)((d64 >> 6) & 0xf);
104 mi->gpr_b_data_len = (u8)((d64 >> 10) & 0x1f);
105 mi->gpr_b_id = (u8)((d64 >> 17) & 0xf);
106
107 mi->gpr_c_ctrl = ((d64 >> 21) & 0x1) != 0;
108 mi->gpr_c_data_mdid = (u8)((d64 >> 22) & 0x1f);
109 mi->gpr_c_data_start = (u8)((d64 >> 27) & 0xf);
110 mi->gpr_c_data_len = (u8)((d64 >> 31) & 0x1f);
111 mi->gpr_c_id = (u8)((d64 >> 38) & 0xf);
112
113 mi->gpr_d_ctrl = ((d64 >> 42) & 0x1) != 0;
114 mi->gpr_d_data_mdid = (u8)((d64 >> 43) & 0x1f);
115 mi->gpr_d_data_start = (u8)((d64 >> 48) & 0xf);
116 mi->gpr_d_data_len = (u8)((d64 >> 52) & 0x1f);
117
118 d64 = *(u64 *)&buf[14] >> 7;
119 mi->gpr_d_id = (u8)(d64 & 0xf);
120
121 d64 = *(u64 *)&buf[15] >> 3;
122 mi->flags = d64;
123
124 d64 = ((*(u64 *)&buf[16] >> 56) & 0x7);
125 mi->flags |= (d64 << 61);
126
127 if (hw->debug_mask & ICE_DBG_PARSER)
128 ice_metainit_dump(hw, mi);
129 }
130
131 /**
132 * ice_metainit_table_get - create a metainit table
133 * @ice_hw: pointer to the hardware structure
134 */
ice_metainit_table_get(struct ice_hw * hw)135 struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw)
136 {
137 return (struct ice_metainit_item *)
138 ice_parser_create_table(hw, ICE_SID_RXPARSER_METADATA_INIT,
139 sizeof(struct ice_metainit_item),
140 ICE_METAINIT_TABLE_SIZE,
141 ice_parser_sect_item_get,
142 _metainit_parse_item, false);
143 }
144