1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
5 #include "ice_common.h"
6 #include "ice_parser_util.h"
8 #define ICE_IMEM_TABLE_SIZE 192
10 static void _imem_bst_bm_dump(struct ice_hw *hw, struct ice_bst_main *bm)
12 ice_info(hw, "boost main:\n");
13 ice_info(hw, "\tal0 = %d\n", bm->al0);
14 ice_info(hw, "\tal1 = %d\n", bm->al1);
15 ice_info(hw, "\tal2 = %d\n", bm->al2);
16 ice_info(hw, "\tpg = %d\n", bm->pg);
19 static void _imem_bst_kb_dump(struct ice_hw *hw, struct ice_bst_keybuilder *kb)
21 ice_info(hw, "boost key builder:\n");
22 ice_info(hw, "\tpriority = %d\n", kb->priority);
23 ice_info(hw, "\ttsr_ctrl = %d\n", kb->tsr_ctrl);
26 static void _imem_np_kb_dump(struct ice_hw *hw, struct ice_np_keybuilder *kb)
28 ice_info(hw, "next proto key builder:\n");
29 ice_info(hw, "\tops = %d\n", kb->ops);
30 ice_info(hw, "\tstart_or_reg0 = %d\n", kb->start_or_reg0);
31 ice_info(hw, "\tlen_or_reg1 = %d\n", kb->len_or_reg1);
34 static void _imem_pg_kb_dump(struct ice_hw *hw, struct ice_pg_keybuilder *kb)
36 ice_info(hw, "parse graph key builder:\n");
37 ice_info(hw, "\tflag0_ena = %d\n", kb->flag0_ena);
38 ice_info(hw, "\tflag1_ena = %d\n", kb->flag1_ena);
39 ice_info(hw, "\tflag2_ena = %d\n", kb->flag2_ena);
40 ice_info(hw, "\tflag3_ena = %d\n", kb->flag3_ena);
41 ice_info(hw, "\tflag0_idx = %d\n", kb->flag0_idx);
42 ice_info(hw, "\tflag1_idx = %d\n", kb->flag1_idx);
43 ice_info(hw, "\tflag2_idx = %d\n", kb->flag2_idx);
44 ice_info(hw, "\tflag3_idx = %d\n", kb->flag3_idx);
45 ice_info(hw, "\talu_reg_idx = %d\n", kb->alu_reg_idx);
48 static void _imem_alu_dump(struct ice_hw *hw, struct ice_alu *alu, int index)
50 ice_info(hw, "alu%d:\n", index);
51 ice_info(hw, "\topc = %d\n", alu->opc);
52 ice_info(hw, "\tsrc_start = %d\n", alu->src_start);
53 ice_info(hw, "\tsrc_len = %d\n", alu->src_len);
54 ice_info(hw, "\tshift_xlate_select = %d\n", alu->shift_xlate_select);
55 ice_info(hw, "\tshift_xlate_key = %d\n", alu->shift_xlate_key);
56 ice_info(hw, "\tsrc_reg_id = %d\n", alu->src_reg_id);
57 ice_info(hw, "\tdst_reg_id = %d\n", alu->dst_reg_id);
58 ice_info(hw, "\tinc0 = %d\n", alu->inc0);
59 ice_info(hw, "\tinc1 = %d\n", alu->inc1);
60 ice_info(hw, "\tproto_offset_opc = %d\n", alu->proto_offset_opc);
61 ice_info(hw, "\tproto_offset = %d\n", alu->proto_offset);
62 ice_info(hw, "\tbranch_addr = %d\n", alu->branch_addr);
63 ice_info(hw, "\timm = %d\n", alu->imm);
64 ice_info(hw, "\tdst_start = %d\n", alu->dst_start);
65 ice_info(hw, "\tdst_len = %d\n", alu->dst_len);
66 ice_info(hw, "\tflags_extr_imm = %d\n", alu->flags_extr_imm);
67 ice_info(hw, "\tflags_start_imm= %d\n", alu->flags_start_imm);
71 * ice_imem_dump - dump an imem item info
72 * @ice_hw: pointer to the hardware structure
73 * @item: imem item to dump
75 void ice_imem_dump(struct ice_hw *hw, struct ice_imem_item *item)
77 ice_info(hw, "index = %d\n", item->idx);
78 _imem_bst_bm_dump(hw, &item->b_m);
79 _imem_bst_kb_dump(hw, &item->b_kb);
80 ice_info(hw, "pg priority = %d\n", item->pg);
81 _imem_np_kb_dump(hw, &item->np_kb);
82 _imem_pg_kb_dump(hw, &item->pg_kb);
83 _imem_alu_dump(hw, &item->alu0, 0);
84 _imem_alu_dump(hw, &item->alu1, 1);
85 _imem_alu_dump(hw, &item->alu2, 2);
88 /** The function parses a 4 bits Boost Main with below format:
89 * BIT 0: ALU 0 (bm->alu0)
90 * BIT 1: ALU 1 (bm->alu1)
91 * BIT 2: ALU 2 (bm->alu2)
92 * BIT 3: Parge Graph (bm->pg)
94 static void _imem_bm_init(struct ice_bst_main *bm, u8 data)
96 bm->al0 = (data & 0x1) != 0;
97 bm->al1 = (data & 0x2) != 0;
98 bm->al2 = (data & 0x4) != 0;
99 bm->pg = (data & 0x8) != 0;
102 /** The function parses a 10 bits Boost Main Build with below format:
103 * BIT 0-7: Priority (bkb->priority)
104 * BIT 8: TSR Control (bkb->tsr_ctrl)
107 static void _imem_bkb_init(struct ice_bst_keybuilder *bkb, u16 data)
109 bkb->priority = (u8)(data & 0xff);
110 bkb->tsr_ctrl = (data & 0x100) != 0;
113 /** The function parses a 18 bits Next Protocol Key Build with below format:
114 * BIT 0-1: Opcode kb->ops
115 * BIT 2-9: Start / Reg 0 (kb->start_or_reg0)
116 * BIT 10-17: Length / Reg 1 (kb->len_or_reg1)
118 static void _imem_npkb_init(struct ice_np_keybuilder *kb, u32 data)
120 kb->ops = (u8)(data & 0x3);
121 kb->start_or_reg0 = (u8)((data >> 2) & 0xff);
122 kb->len_or_reg1 = (u8)((data >> 10) & 0xff);
125 /** The function parses a 35 bits Parse Graph Key Build with below format:
126 * BIT 0: Flag 0 Enable (kb->flag0_ena)
127 * BIT 1-6: Flag 0 Index (kb->flag0_idx)
128 * BIT 7: Flag 1 Enable (kb->flag1_ena)
129 * BIT 8-13: Flag 1 Index (kb->flag1_idx)
130 * BIT 14: Flag 2 Enable (kb->flag2_ena)
131 * BIT 15-20: Flag 2 Index (kb->flag2_idx)
132 * BIT 21: Flag 3 Enable (kb->flag3_ena)
133 * BIT 22-27: Flag 3 Index (kb->flag3_idx)
134 * BIT 28-34: ALU Register Index (kb->alu_reg_idx)
136 static void _imem_pgkb_init(struct ice_pg_keybuilder *kb, u64 data)
138 kb->flag0_ena = (data & 0x1) != 0;
139 kb->flag0_idx = (u8)((data >> 1) & 0x3f);
140 kb->flag1_ena = ((data >> 7) & 0x1) != 0;
141 kb->flag1_idx = (u8)((data >> 8) & 0x3f);
142 kb->flag2_ena = ((data >> 14) & 0x1) != 0;
143 kb->flag2_idx = (u8)((data >> 15) & 0x3f);
144 kb->flag3_ena = ((data >> 21) & 0x1) != 0;
145 kb->flag3_idx = (u8)((data >> 22) & 0x3f);
146 kb->alu_reg_idx = (u8)((data >> 28) & 0x7f);
149 /** The function parses a 96 bits ALU entry with below format:
150 * BIT 0-5: Opcode (alu->opc)
151 * BIT 6-13: Source Start (alu->src_start)
152 * BIT 14-18: Source Length (alu->src_len)
153 * BIT 19: Shift/Xlate Select (alu->shift_xlate_select)
154 * BIT 20-23: Shift/Xlate Key (alu->shift_xlate_key)
155 * BIT 24-30: Source Register ID (alu->src_reg_id)
156 * BIT 31-37: Dest. Register ID (alu->dst_reg_id)
157 * BIT 38: Inc0 (alu->inc0)
158 * BIT 39: Inc1:(alu->inc1)
159 * BIT 40:41 Protocol Offset Opcode (alu->proto_offset_opc)
160 * BIT 42:49 Protocol Offset (alu->proto_offset)
161 * BIT 50:57 Branch Address (alu->branch_addr)
162 * BIT 58:73 Immediate (alu->imm)
163 * BIT 74 Dedicated Flags Enable (alu->dedicate_flags_ena)
164 * BIT 75:80 Dest. Start (alu->dst_start)
165 * BIT 81:86 Dest. Length (alu->dst_len)
166 * BIT 87 Flags Extract Imm. (alu->flags_extr_imm)
167 * BIT 88:95 Flags Start/Immediate (alu->flags_start_imm)
169 * NOTE: the first 5 bits are skipped as the start bit is not
172 static void _imem_alu_init(struct ice_alu *alu, u8 *data)
174 u64 d64 = *(u64 *)data >> 5;
176 alu->opc = (enum ice_alu_opcode)(d64 & 0x3f);
177 alu->src_start = (u8)((d64 >> 6) & 0xff);
178 alu->src_len = (u8)((d64 >> 14) & 0x1f);
179 alu->shift_xlate_select = ((d64 >> 19) & 0x1) != 0;
180 alu->shift_xlate_key = (u8)((d64 >> 20) & 0xf);
181 alu->src_reg_id = (u8)((d64 >> 24) & 0x7f);
182 alu->dst_reg_id = (u8)((d64 >> 31) & 0x7f);
183 alu->inc0 = ((d64 >> 38) & 0x1) != 0;
184 alu->inc1 = ((d64 >> 39) & 0x1) != 0;
185 alu->proto_offset_opc = (u8)((d64 >> 40) & 0x3);
186 alu->proto_offset = (u8)((d64 >> 42) & 0xff);
187 alu->branch_addr = (u8)((d64 >> 50) & 0xff);
189 d64 = *(u64 *)(&data[7]) >> 7;
191 alu->imm = (u16)(d64 & 0xffff);
192 alu->dedicate_flags_ena = ((d64 >> 16) & 0x1) != 0;
193 alu->dst_start = (u8)((d64 >> 17) & 0x3f);
194 alu->dst_len = (u8)((d64 >> 23) & 0x3f);
195 alu->flags_extr_imm = ((d64 >> 29) & 0x1) != 0;
196 alu->flags_start_imm = (u8)((d64 >> 30) & 0xff);
199 /** The function parses a 384 bits IMEM entry with below format:
200 * BIT 0-3: Boost Main (ii->b_m)
201 * BIT 4-13: Boost Key Build (ii->b_kb)
202 * BIT 14-15: PG Priority (ii->pg)
203 * BIT 16-33: Next Proto Key Build (ii->np_kb)
204 * BIT 34-68: PG Key Build (ii->pg_kb)
205 * BIT 69-164: ALU0 (ii->alu0)
206 * BIT 165-260:ALU1 (ii->alu1)
207 * BIT 261-356:ALU2 (ii->alu2)
208 * BIT 357-383:Reserved
210 static void _imem_parse_item(struct ice_hw *hw, u16 idx, void *item,
211 void *data, int size)
213 struct ice_imem_item *ii = (struct ice_imem_item *)item;
214 u8 *buf = (u8 *)data;
218 _imem_bm_init(&ii->b_m, buf[0]);
219 _imem_bkb_init(&ii->b_kb, *((u16 *)(&buf[0])) >> 4);
221 ii->pg = (u8)((buf[1] & 0xc0) >> 6);
222 _imem_npkb_init(&ii->np_kb, *((u32 *)(&buf[2])));
223 _imem_pgkb_init(&ii->pg_kb, *((u64 *)(&buf[2])) >> 18);
224 _imem_alu_init(&ii->alu0, &buf[8]);
225 _imem_alu_init(&ii->alu1, &buf[20]);
226 _imem_alu_init(&ii->alu2, &buf[32]);
228 if (hw->debug_mask & ICE_DBG_PARSER)
229 ice_imem_dump(hw, ii);
233 * ice_imem_table_get - create an imem table
234 * @ice_hw: pointer to the hardware structure
236 struct ice_imem_item *ice_imem_table_get(struct ice_hw *hw)
238 return (struct ice_imem_item *)
239 ice_parser_create_table(hw, ICE_SID_RXPARSER_IMEM,
240 sizeof(struct ice_imem_item),
242 ice_parser_sect_item_get,
243 _imem_parse_item, false);