xref: /dpdk/drivers/common/mlx5/windows/mlx5_win_defs.h (revision 3cddeba0ca38b00c7dc646277484d08a4cb2d862)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (C) Mellanox Technologies, Ltd. 2001-2020.
3  */
4 
5 #ifndef MLX5_WIN_DEFS_H
6 #define MLX5_WIN_DEFS_H
7 
8 #include <rte_bitops.h>
9 
10 enum {
11 	MLX5_CQE_OWNER_MASK	= 1,
12 	MLX5_CQE_REQ		= 0,
13 	MLX5_CQE_RESP_WR_IMM	= 1,
14 	MLX5_CQE_RESP_SEND	= 2,
15 	MLX5_CQE_RESP_SEND_IMM	= 3,
16 	MLX5_CQE_RESP_SEND_INV	= 4,
17 	MLX5_CQE_RESIZE_CQ	= 5,
18 	MLX5_CQE_NO_PACKET	= 6,
19 	MLX5_CQE_REQ_ERR	= 13,
20 	MLX5_CQE_RESP_ERR	= 14,
21 	MLX5_CQE_INVALID	= 15,
22 };
23 
24 enum {
25 	MLX5_OPCODE_NOP			= 0x00,
26 	MLX5_OPCODE_SEND_INVAL		= 0x01,
27 	MLX5_OPCODE_RDMA_WRITE		= 0x08,
28 	MLX5_OPCODE_RDMA_WRITE_IMM	= 0x09,
29 	MLX5_OPCODE_SEND		= 0x0a,
30 	MLX5_OPCODE_SEND_IMM		= 0x0b,
31 	MLX5_OPCODE_TSO			= 0x0e,
32 	MLX5_OPCODE_RDMA_READ		= 0x10,
33 	MLX5_OPCODE_ATOMIC_CS		= 0x11,
34 	MLX5_OPCODE_ATOMIC_FA		= 0x12,
35 	MLX5_OPCODE_ATOMIC_MASKED_CS	= 0x14,
36 	MLX5_OPCODE_ATOMIC_MASKED_FA	= 0x15,
37 	MLX5_OPCODE_FMR			= 0x19,
38 	MLX5_OPCODE_LOCAL_INVAL		= 0x1b,
39 	MLX5_OPCODE_CONFIG_CMD		= 0x1f,
40 	MLX5_OPCODE_UMR			= 0x25,
41 	MLX5_OPCODE_TAG_MATCHING	= 0x28
42 };
43 
44 enum mlx5dv_cq_init_attr_mask {
45 	MLX5DV_CQ_INIT_ATTR_MASK_COMPRESSED_CQE = RTE_BIT32(0),
46 	MLX5DV_CQ_INIT_ATTR_MASK_FLAG           = RTE_BIT32(1),
47 	MLX5DV_CQ_INIT_ATTR_MASK_CQE_SIZE       = RTE_BIT32(2),
48 };
49 
50 enum mlx5dv_cqe_comp_res_format {
51 	MLX5DV_CQE_RES_FORMAT_HASH        = RTE_BIT32(0),
52 	MLX5DV_CQE_RES_FORMAT_CSUM        = RTE_BIT32(1),
53 	MLX5DV_CQE_RES_FORMAT_CSUM_STRIDX = RTE_BIT32(2),
54 };
55 
56 enum ibv_access_flags {
57 	IBV_ACCESS_LOCAL_WRITE   = RTE_BIT32(0),
58 	IBV_ACCESS_REMOTE_WRITE  = RTE_BIT32(1),
59 	IBV_ACCESS_REMOTE_READ   = RTE_BIT32(2),
60 	IBV_ACCESS_REMOTE_ATOMIC = RTE_BIT32(3),
61 	IBV_ACCESS_MW_BIND       = RTE_BIT32(4),
62 	IBV_ACCESS_ZERO_BASED    = RTE_BIT32(5),
63 	IBV_ACCESS_ON_DEMAND     = RTE_BIT32(6),
64 };
65 
66 enum mlx5_ib_uapi_devx_create_event_channel_flags {
67 	MLX5_IB_UAPI_DEVX_CR_EV_CH_FLAGS_OMIT_DATA = RTE_BIT32(0),
68 };
69 
70 #define MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA \
71 	MLX5_IB_UAPI_DEVX_CR_EV_CH_FLAGS_OMIT_DATA
72 
73 enum {
74 	MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR		= 0x01,
75 	MLX5_CQE_SYNDROME_LOCAL_QP_OP_ERR		= 0x02,
76 	MLX5_CQE_SYNDROME_LOCAL_PROT_ERR		= 0x04,
77 	MLX5_CQE_SYNDROME_WR_FLUSH_ERR			= 0x05,
78 	MLX5_CQE_SYNDROME_MW_BIND_ERR			= 0x06,
79 	MLX5_CQE_SYNDROME_BAD_RESP_ERR			= 0x10,
80 	MLX5_CQE_SYNDROME_LOCAL_ACCESS_ERR		= 0x11,
81 	MLX5_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR		= 0x12,
82 	MLX5_CQE_SYNDROME_REMOTE_ACCESS_ERR		= 0x13,
83 	MLX5_CQE_SYNDROME_REMOTE_OP_ERR			= 0x14,
84 	MLX5_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR	= 0x15,
85 	MLX5_CQE_SYNDROME_RNR_RETRY_EXC_ERR		= 0x16,
86 	MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR		= 0x22,
87 };
88 
89 enum {
90 	MLX5_ETH_WQE_L3_CSUM = RTE_BIT32(6),
91 	MLX5_ETH_WQE_L4_CSUM = RTE_BIT32(7),
92 };
93 
94 enum {
95 	MLX5_WQE_CTRL_SOLICITED             = RTE_BIT32(1),
96 	MLX5_WQE_CTRL_CQ_UPDATE             = RTE_BIT32(3),
97 	MLX5_WQE_CTRL_INITIATOR_SMALL_FENCE = RTE_BIT32(5),
98 	MLX5_WQE_CTRL_FENCE                 = RTE_BIT32(7),
99 };
100 
101 enum {
102 	MLX5_SEND_WQE_BB	= 64,
103 	MLX5_SEND_WQE_SHIFT	= 6,
104 };
105 
106 /* Verbs headers do not support -pedantic. */
107 #ifdef PEDANTIC
108 #pragma GCC diagnostic ignored "-Wpedantic"
109 #endif
110 
111 /*
112  * RX Hash fields enable to set which incoming packet's field should
113  * participates in RX Hash. Each flag represent certain packet's field,
114  * when the flag is set the field that is represented by the flag will
115  * participate in RX Hash calculation.
116  * Note: IPV4 and IPV6 flags can't be enabled together on the same QP,
117  * TCP and UDP flags can't be enabled together on the same QP.
118  */
119 enum ibv_rx_hash_fields {
120 	IBV_RX_HASH_SRC_IPV4     = RTE_BIT32(0),
121 	IBV_RX_HASH_DST_IPV4     = RTE_BIT32(1),
122 	IBV_RX_HASH_SRC_IPV6     = RTE_BIT32(2),
123 	IBV_RX_HASH_DST_IPV6     = RTE_BIT32(3),
124 	IBV_RX_HASH_SRC_PORT_TCP = RTE_BIT32(4),
125 	IBV_RX_HASH_DST_PORT_TCP = RTE_BIT32(5),
126 	IBV_RX_HASH_SRC_PORT_UDP = RTE_BIT32(6),
127 	IBV_RX_HASH_DST_PORT_UDP = RTE_BIT32(7),
128 	IBV_RX_HASH_IPSEC_SPI    = RTE_BIT32(8),
129 	IBV_RX_HASH_INNER        = RTE_BIT32(31),
130 };
131 
132 #ifdef PEDANTIC
133 #pragma GCC diagnostic error "-Wpedantic"
134 #endif
135 
136 enum {
137 	MLX5_RCV_DBR	= 0,
138 	MLX5_SND_DBR	= 1,
139 };
140 
141 #ifndef MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2
142 #define MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2	0x0
143 #endif
144 #ifndef MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL
145 #define MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL	0x1
146 #endif
147 #ifndef MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2
148 #define MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2	0x2
149 #endif
150 #ifndef MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL
151 #define MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL	0x3
152 #endif
153 
154 enum ibv_flow_flags {
155 	IBV_FLOW_ATTR_FLAGS_ALLOW_LOOP_BACK = RTE_BIT32(0),
156 	IBV_FLOW_ATTR_FLAGS_DONT_TRAP = RTE_BIT32(1),
157 	IBV_FLOW_ATTR_FLAGS_EGRESS = RTE_BIT32(2),
158 };
159 
160 enum ibv_flow_attr_type {
161 	/* Steering according to rule specifications. */
162 	IBV_FLOW_ATTR_NORMAL		= 0x0,
163 	/*
164 	 * Default unicast and multicast rule -
165 	 * receive all Eth traffic which isn't steered to any QP.
166 	 */
167 	IBV_FLOW_ATTR_ALL_DEFAULT	= 0x1,
168 	/*
169 	 * Default multicast rule -
170 	 * receive all Eth multicast traffic which isn't steered to any QP.
171 	 */
172 	IBV_FLOW_ATTR_MC_DEFAULT	= 0x2,
173 	/* Sniffer rule - receive all port traffic. */
174 	IBV_FLOW_ATTR_SNIFFER		= 0x3,
175 };
176 
177 enum mlx5dv_flow_table_type {
178 	MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX     = 0x0,
179 	MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX	= 0x1,
180 	MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB	= 0x2,
181 	MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX	= 0x3,
182 };
183 
184 #define MLX5DV_FLOW_TABLE_TYPE_NIC_RX	MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX
185 #define MLX5DV_FLOW_TABLE_TYPE_NIC_TX	MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX
186 #define MLX5DV_FLOW_TABLE_TYPE_FDB	MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB
187 #define MLX5DV_FLOW_TABLE_TYPE_RDMA_RX	MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX
188 
189 struct mlx5dv_flow_match_parameters {
190 	size_t match_sz;
191 	uint64_t match_buf[]; /* Device spec format */
192 };
193 
194 struct mlx5dv_flow_matcher_attr {
195 	enum ibv_flow_attr_type type;
196 	uint32_t flags; /* From enum ibv_flow_flags. */
197 	uint16_t priority;
198 	uint8_t match_criteria_enable; /* Device spec format. */
199 	struct mlx5dv_flow_match_parameters *match_mask;
200 	uint64_t comp_mask; /* Use mlx5dv_flow_matcher_attr_mask. */
201 	enum mlx5dv_flow_table_type ft_type;
202 };
203 
204 /* Windows specific mlx5_matcher. */
205 struct mlx5_matcher {
206 	void *ctx;
207 	struct mlx5dv_flow_matcher_attr attr;
208 	uint64_t match_buf[];
209 };
210 
211 /*
212  * Windows mlx5_action. This struct is the
213  * equivalent of rdma-core struct mlx5dv_dr_action.
214  */
215 struct mlx5_action {
216 	int type;
217 	struct {
218 		uint32_t id;
219 	} dest_tir;
220 };
221 
222 struct mlx5_wqe_srq_next_seg {
223 	uint8_t			rsvd0[2];
224 	rte_be16_t		next_wqe_index;
225 	uint8_t			signature;
226 	uint8_t			rsvd1[11];
227 };
228 
229 enum ibv_wq_state {
230 	IBV_WQS_RESET,
231 	IBV_WQS_RDY,
232 	IBV_WQS_ERR,
233 	IBV_WQS_UNKNOWN
234 };
235 
236 struct mlx5_wqe_data_seg {
237 	rte_be32_t		byte_count;
238 	rte_be32_t		lkey;
239 	rte_be64_t		addr;
240 };
241 
242 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP   RTE_BIT32(4)
243 #define IBV_DEVICE_RAW_IP_CSUM               RTE_BIT32(26)
244 #define IBV_RAW_PACKET_CAP_CVLAN_STRIPPING   RTE_BIT32(0)
245 #define IBV_RAW_PACKET_CAP_SCATTER_FCS       RTE_BIT32(1)
246 #define IBV_QPT_RAW_PACKET                   8
247 
248 enum {
249 	MLX5_FLOW_CONTEXT_DEST_TYPE_VPORT                    = 0x0,
250 	MLX5_FLOW_CONTEXT_DEST_TYPE_FLOW_TABLE               = 0x1,
251 	MLX5_FLOW_CONTEXT_DEST_TYPE_TIR                      = 0x2,
252 	MLX5_FLOW_CONTEXT_DEST_TYPE_QP                       = 0x3,
253 };
254 
255 enum {
256 	MLX5_MATCH_OUTER_HEADERS        = RTE_BIT32(0),
257 	MLX5_MATCH_MISC_PARAMETERS      = RTE_BIT32(1),
258 	MLX5_MATCH_INNER_HEADERS        = RTE_BIT32(2),
259 };
260 
261 #define MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES 9
262 #define MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES 16
263 #define MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES 6
264 #define MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES 13
265 #define MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES 3
266 #define IB_QPT_RAW_PACKET 8
267 
268 #endif /* MLX5_WIN_DEFS_H */
269