net/mlx5: support Tx interface query via DevX
[dpdk.git] / drivers / net / mlx5 / mlx5_prm.h
index 7482383..b5de0c3 100644 (file)
 /* Invalidate a CQE. */
 #define MLX5_CQE_INVALIDATE (MLX5_CQE_INVALID << 4)
 
-/* Maximum number of packets a multi-packet WQE can handle. */
-#define MLX5_MPW_DSEG_MAX 5
-
-/* WQE DWORD size */
-#define MLX5_WQE_DWORD_SIZE 16
-
-/* WQE size */
-#define MLX5_WQE_SIZE (4 * MLX5_WQE_DWORD_SIZE)
-
-/* Max size of a WQE session. */
-#define MLX5_WQE_SIZE_MAX 960U
-
-/* Compute the number of DS. */
-#define MLX5_WQE_DS(n) \
-       (((n) + MLX5_WQE_DWORD_SIZE - 1) / MLX5_WQE_DWORD_SIZE)
-
-/* Room for inline data in multi-packet WQE. */
-#define MLX5_MWQE64_INL_DATA 28
-
-/* Default minimum number of Tx queues for inlining packets. */
-#define MLX5_EMPW_MIN_TXQS 8
-
-/* Default max packet length to be inlined. */
-#define MLX5_EMPW_MAX_INLINE_LEN (4U * MLX5_WQE_SIZE)
-
+/* WQE Segment sizes in bytes. */
+#define MLX5_WSEG_SIZE 16u
+#define MLX5_WQE_CSEG_SIZE sizeof(struct mlx5_wqe_cseg)
+#define MLX5_WQE_DSEG_SIZE sizeof(struct mlx5_wqe_dseg)
+#define MLX5_WQE_ESEG_SIZE sizeof(struct mlx5_wqe_eseg)
+
+/* WQE/WQEBB size in bytes. */
+#define MLX5_WQE_SIZE sizeof(struct mlx5_wqe)
+
+/*
+ * Max size of a WQE session.
+ * Absolute maximum size is 63 (MLX5_DSEG_MAX) segments,
+ * the WQE size field in Control Segment is 6 bits wide.
+ */
+#define MLX5_WQE_SIZE_MAX (60 * MLX5_WSEG_SIZE)
+
+/*
+ * Default minimum number of Tx queues for inlining packets.
+ * If there are less queues as specified we assume we have
+ * no enough CPU resources (cycles) to perform inlining,
+ * the PCIe throughput is not supposed as bottleneck and
+ * inlining is disabled.
+ */
+#define MLX5_INLINE_MAX_TXQS 8u
+#define MLX5_INLINE_MAX_TXQS_BLUEFIELD 16u
+
+/*
+ * Default packet length threshold to be inlined with
+ * enhanced MPW. If packet length exceeds the threshold
+ * the data are not inlined. Should be aligned in WQEBB
+ * boundary with accounting the title Control and Ethernet
+ * segments.
+ */
+#define MLX5_EMPW_DEF_INLINE_LEN (3U * MLX5_WQE_SIZE + \
+                                 MLX5_DSEG_MIN_INLINE_SIZE - \
+                                 MLX5_WQE_DSEG_SIZE)
+/*
+ * Maximal inline data length sent with enhanced MPW.
+ * Is based on maximal WQE size.
+ */
+#define MLX5_EMPW_MAX_INLINE_LEN (MLX5_WQE_SIZE_MAX - \
+                                 MLX5_WQE_CSEG_SIZE - \
+                                 MLX5_WQE_ESEG_SIZE - \
+                                 MLX5_WQE_DSEG_SIZE + \
+                                 MLX5_DSEG_MIN_INLINE_SIZE)
+/*
+ * Minimal amount of packets to be sent with EMPW.
+ * This limits the minimal required size of sent EMPW.
+ * If there are no enough resources to built minimal
+ * EMPW the sending loop exits.
+ */
+#define MLX5_EMPW_MIN_PACKETS (2 + 3 * 4)
+#define MLX5_EMPW_MAX_PACKETS ((MLX5_WQE_SIZE_MAX - \
+                               MLX5_WQE_CSEG_SIZE - \
+                               MLX5_WQE_ESEG_SIZE) / \
+                               MLX5_WSEG_SIZE)
+/*
+ * Default packet length threshold to be inlined with
+ * ordinary SEND. Inlining saves the MR key search
+ * and extra PCIe data fetch transaction, but eats the
+ * CPU cycles.
+ */
+#define MLX5_SEND_DEF_INLINE_LEN (5U * MLX5_WQE_SIZE + \
+                                 MLX5_ESEG_MIN_INLINE_SIZE - \
+                                 MLX5_WQE_CSEG_SIZE - \
+                                 MLX5_WQE_ESEG_SIZE - \
+                                 MLX5_WQE_DSEG_SIZE)
+/*
+ * Maximal inline data length sent with ordinary SEND.
+ * Is based on maximal WQE size.
+ */
+#define MLX5_SEND_MAX_INLINE_LEN (MLX5_WQE_SIZE_MAX - \
+                                 MLX5_WQE_CSEG_SIZE - \
+                                 MLX5_WQE_ESEG_SIZE - \
+                                 MLX5_WQE_DSEG_SIZE + \
+                                 MLX5_ESEG_MIN_INLINE_SIZE)
 
-#define MLX5_OPC_MOD_ENHANCED_MPSW 0
-#define MLX5_OPCODE_ENHANCED_MPSW 0x29
+/* Missed in mlv5dv.h, should define here. */
+#define MLX5_OPCODE_ENHANCED_MPSW 0x29u
 
 /* CQE value to inform that VLAN is stripped. */
 #define MLX5_CQE_VLAN_STRIPPED (1u << 0)
 /* Inner L3 type is IPV6. */
 #define MLX5_ETH_WQE_L3_INNER_IPV6 (1u << 0)
 
+/* VLAN insertion flag. */
+#define MLX5_ETH_WQE_VLAN_INSERT (1u << 31)
+
+/* Data inline segment flag. */
+#define MLX5_ETH_WQE_DATA_INLINE (1u << 31)
+
 /* Is flow mark valid. */
 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
 #define MLX5_FLOW_MARK_IS_VALID(val) ((val) & 0xffffff00)
 /* Default mark value used when none is provided. */
 #define MLX5_FLOW_MARK_DEFAULT 0xffffff
 
-/* Maximum number of DS in WQE. */
+/* Maximum number of DS in WQE. Limited by 6-bit field. */
 #define MLX5_DSEG_MAX 63
 
 /* The completion mode offset in the WQE control segment line 2. */
 #define MLX5_COMP_MODE_OFFSET 2
 
+/* Amount of data bytes in minimal inline data segment. */
+#define MLX5_DSEG_MIN_INLINE_SIZE 12u
+
+/* Amount of data bytes in minimal inline eth segment. */
+#define MLX5_ESEG_MIN_INLINE_SIZE 18u
+
+/* Amount of data bytes after eth data segment. */
+#define MLX5_ESEG_EXTRA_DATA_SIZE 32u
+
 /* Completion mode. */
 enum mlx5_completion_mode {
        MLX5_COMP_ONLY_ERR = 0x0,
@@ -164,47 +230,6 @@ enum mlx5_completion_mode {
        MLX5_COMP_CQE_AND_EQE = 0x3,
 };
 
-/* Subset of struct mlx5_wqe_eth_seg. */
-struct mlx5_wqe_eth_seg_small {
-       uint32_t rsvd0;
-       uint8_t cs_flags;
-       uint8_t rsvd1;
-       uint16_t mss;
-       uint32_t flow_table_metadata;
-       uint16_t inline_hdr_sz;
-       uint8_t inline_hdr[2];
-} __rte_aligned(MLX5_WQE_DWORD_SIZE);
-
-struct mlx5_wqe_inl_small {
-       uint32_t byte_cnt;
-       uint8_t raw;
-} __rte_aligned(MLX5_WQE_DWORD_SIZE);
-
-struct mlx5_wqe_ctrl {
-       uint32_t ctrl0;
-       uint32_t ctrl1;
-       uint32_t ctrl2;
-       uint32_t ctrl3;
-} __rte_aligned(MLX5_WQE_DWORD_SIZE);
-
-/* Small common part of the WQE. */
-struct mlx5_wqe {
-       uint32_t ctrl[4];
-       struct mlx5_wqe_eth_seg_small eseg;
-};
-
-/* Vectorize WQE header. */
-struct mlx5_wqe_v {
-       rte_v128u32_t ctrl;
-       rte_v128u32_t eseg;
-};
-
-/* WQE. */
-struct mlx5_wqe64 {
-       struct mlx5_wqe hdr;
-       uint8_t raw[32];
-} __rte_aligned(MLX5_WQE_SIZE);
-
 /* MPW mode. */
 enum mlx5_mpw_mode {
        MLX5_MPW_DISABLED,
@@ -212,26 +237,62 @@ enum mlx5_mpw_mode {
        MLX5_MPW_ENHANCED, /* Enhanced Multi-Packet Send WQE, a.k.a MPWv2. */
 };
 
-/* MPW session status. */
-enum mlx5_mpw_state {
-       MLX5_MPW_STATE_OPENED,
-       MLX5_MPW_INL_STATE_OPENED,
-       MLX5_MPW_ENHANCED_STATE_OPENED,
-       MLX5_MPW_STATE_CLOSED,
-};
+/* WQE Control segment. */
+struct mlx5_wqe_cseg {
+       uint32_t opcode;
+       uint32_t sq_ds;
+       uint32_t flags;
+       uint32_t misc;
+} __rte_packed __rte_aligned(MLX5_WSEG_SIZE);
+
+/* Header of data segment. Minimal size Data Segment */
+struct mlx5_wqe_dseg {
+       uint32_t bcount;
+       union {
+               uint8_t inline_data[MLX5_DSEG_MIN_INLINE_SIZE];
+               struct {
+                       uint32_t lkey;
+                       uint64_t pbuf;
+               } __rte_packed;
+       };
+} __rte_packed;
 
-/* MPW session descriptor. */
-struct mlx5_mpw {
-       enum mlx5_mpw_state state;
-       unsigned int pkts_n;
-       unsigned int len;
-       unsigned int total_len;
-       volatile struct mlx5_wqe *wqe;
+/* Subset of struct WQE Ethernet Segment. */
+struct mlx5_wqe_eseg {
        union {
-               volatile struct mlx5_wqe_data_seg *dseg[MLX5_MPW_DSEG_MAX];
-               volatile uint8_t *raw;
-       } data;
-};
+               struct {
+                       uint32_t swp_offs;
+                       uint8_t cs_flags;
+                       uint8_t swp_flags;
+                       uint16_t mss;
+                       uint32_t metadata;
+                       uint16_t inline_hdr_sz;
+                       union {
+                               uint16_t inline_data;
+                               uint16_t vlan_tag;
+                       };
+               } __rte_packed;
+               struct {
+                       uint32_t offsets;
+                       uint32_t flags;
+                       uint32_t flow_metadata;
+                       uint32_t inline_hdr;
+               } __rte_packed;
+       };
+} __rte_packed;
+
+/* The title WQEBB, header of WQE. */
+struct mlx5_wqe {
+       union {
+               struct mlx5_wqe_cseg cseg;
+               uint32_t ctrl[4];
+       };
+       struct mlx5_wqe_eseg eseg;
+       union {
+               struct mlx5_wqe_dseg dseg[2];
+               uint8_t data[MLX5_ESEG_EXTRA_DATA_SIZE];
+       };
+} __rte_packed;
 
 /* WQE for Multi-Packet RQ. */
 struct mlx5_wqe_mprq {
@@ -415,6 +476,14 @@ typedef uint8_t u8;
                                 (((_v) & __mlx5_mask(typ, fld)) << \
                                   __mlx5_dw_bit_off(typ, fld))); \
        } while (0)
+
+#define MLX5_SET64(typ, p, fld, v) \
+       do { \
+               assert(__mlx5_bit_sz(typ, fld) == 64); \
+               *((__be64 *)(p) + __mlx5_64_off(typ, fld)) = \
+                       rte_cpu_to_be_64(v); \
+       } while (0)
+
 #define MLX5_GET(typ, p, fld) \
        ((rte_be_to_cpu_32(*((__be32 *)(p) +\
        __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
@@ -428,7 +497,11 @@ typedef uint8_t u8;
 #define MLX5_FLD_SZ_BYTES(typ, fld) (__mlx5_bit_sz(typ, fld) / 8)
 
 struct mlx5_ifc_fte_match_set_misc_bits {
-       u8 reserved_at_0[0x8];
+       u8 gre_c_present[0x1];
+       u8 reserved_at_1[0x1];
+       u8 gre_k_present[0x1];
+       u8 gre_s_present[0x1];
+       u8 source_vhci_port[0x4];
        u8 source_sqn[0x18];
        u8 reserved_at_20[0x10];
        u8 source_port[0x10];
@@ -552,10 +625,17 @@ enum {
 
 enum {
        MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
+       MLX5_CMD_OP_CREATE_MKEY = 0x200,
+       MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT = 0x754,
+       MLX5_CMD_OP_QUERY_TIS = 0x915,
        MLX5_CMD_OP_ALLOC_FLOW_COUNTER = 0x939,
        MLX5_CMD_OP_QUERY_FLOW_COUNTER = 0x93b,
 };
 
+enum {
+       MLX5_MKC_ACCESS_MODE_MTT   = 0x1,
+};
+
 /* Flow counters. */
 struct mlx5_ifc_alloc_flow_counter_out_bits {
        u8         status[0x8];
@@ -570,7 +650,9 @@ struct mlx5_ifc_alloc_flow_counter_in_bits {
        u8         reserved_at_10[0x10];
        u8         reserved_at_20[0x10];
        u8         op_mod[0x10];
-       u8         reserved_at_40[0x40];
+       u8         flow_counter_id[0x20];
+       u8         reserved_at_40[0x18];
+       u8         flow_counter_bulk[0x8];
 };
 
 struct mlx5_ifc_dealloc_flow_counter_out_bits {
@@ -607,16 +689,106 @@ struct mlx5_ifc_query_flow_counter_in_bits {
        u8         reserved_at_10[0x10];
        u8         reserved_at_20[0x10];
        u8         op_mod[0x10];
-       u8         reserved_at_40[0x80];
+       u8         reserved_at_40[0x20];
+       u8         mkey[0x20];
+       u8         address[0x40];
        u8         clear[0x1];
-       u8         reserved_at_c1[0xf];
-       u8         num_of_counters[0x10];
+       u8         dump_to_memory[0x1];
+       u8         num_of_counters[0x1e];
        u8         flow_counter_id[0x20];
 };
 
+struct mlx5_ifc_mkc_bits {
+       u8         reserved_at_0[0x1];
+       u8         free[0x1];
+       u8         reserved_at_2[0x1];
+       u8         access_mode_4_2[0x3];
+       u8         reserved_at_6[0x7];
+       u8         relaxed_ordering_write[0x1];
+       u8         reserved_at_e[0x1];
+       u8         small_fence_on_rdma_read_response[0x1];
+       u8         umr_en[0x1];
+       u8         a[0x1];
+       u8         rw[0x1];
+       u8         rr[0x1];
+       u8         lw[0x1];
+       u8         lr[0x1];
+       u8         access_mode_1_0[0x2];
+       u8         reserved_at_18[0x8];
+
+       u8         qpn[0x18];
+       u8         mkey_7_0[0x8];
+
+       u8         reserved_at_40[0x20];
+
+       u8         length64[0x1];
+       u8         bsf_en[0x1];
+       u8         sync_umr[0x1];
+       u8         reserved_at_63[0x2];
+       u8         expected_sigerr_count[0x1];
+       u8         reserved_at_66[0x1];
+       u8         en_rinval[0x1];
+       u8         pd[0x18];
+
+       u8         start_addr[0x40];
+
+       u8         len[0x40];
+
+       u8         bsf_octword_size[0x20];
+
+       u8         reserved_at_120[0x80];
+
+       u8         translations_octword_size[0x20];
+
+       u8         reserved_at_1c0[0x1b];
+       u8         log_page_size[0x5];
+
+       u8         reserved_at_1e0[0x20];
+};
+
+struct mlx5_ifc_create_mkey_out_bits {
+       u8         status[0x8];
+       u8         reserved_at_8[0x18];
+
+       u8         syndrome[0x20];
+
+       u8         reserved_at_40[0x8];
+       u8         mkey_index[0x18];
+
+       u8         reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_create_mkey_in_bits {
+       u8         opcode[0x10];
+       u8         reserved_at_10[0x10];
+
+       u8         reserved_at_20[0x10];
+       u8         op_mod[0x10];
+
+       u8         reserved_at_40[0x20];
+
+       u8         pg_access[0x1];
+       u8         reserved_at_61[0x1f];
+
+       struct mlx5_ifc_mkc_bits memory_key_mkey_entry;
+
+       u8         reserved_at_280[0x80];
+
+       u8         translations_octword_actual_size[0x20];
+
+       u8         mkey_umem_id[0x20];
+
+       u8         mkey_umem_offset[0x40];
+
+       u8         reserved_at_380[0x500];
+
+       u8         klm_pas_mtt[][0x20];
+};
+
 enum {
        MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0 << 1,
-       MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP        = 0xc << 1,
+       MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS = 0x1 << 1,
+       MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP = 0xc << 1,
 };
 
 enum {
@@ -624,6 +796,23 @@ enum {
        MLX5_HCA_CAP_OPMOD_GET_CUR   = 1,
 };
 
+enum {
+       MLX5_CAP_INLINE_MODE_L2,
+       MLX5_CAP_INLINE_MODE_VPORT_CONTEXT,
+       MLX5_CAP_INLINE_MODE_NOT_REQUIRED,
+};
+
+enum {
+       MLX5_INLINE_MODE_NONE,
+       MLX5_INLINE_MODE_L2,
+       MLX5_INLINE_MODE_IP,
+       MLX5_INLINE_MODE_TCP_UDP,
+       MLX5_INLINE_MODE_RESERVED4,
+       MLX5_INLINE_MODE_INNER_L2,
+       MLX5_INLINE_MODE_INNER_IP,
+       MLX5_INLINE_MODE_INNER_TCP_UDP,
+};
+
 struct mlx5_ifc_cmd_hca_cap_bits {
        u8 reserved_at_0[0x30];
        u8 vhca_id[0x10];
@@ -812,7 +1001,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
        u8 reserved_at_343[0x5];
        u8 log_max_flow_counter_bulk[0x8];
        u8 max_flow_counter_15_0[0x10];
-       u8 reserved_at_360[0x3];
+       u8 modify_tis[0x1];
+       u8 flow_counters_dump[0x1];
+       u8 reserved_at_360[0x1];
        u8 log_max_rq[0x5];
        u8 reserved_at_368[0x3];
        u8 log_max_sq[0x5];
@@ -919,8 +1110,48 @@ struct mlx5_ifc_qos_cap_bits {
        u8 reserved_at_100[0x6e8];
 };
 
+struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
+       u8 csum_cap[0x1];
+       u8 vlan_cap[0x1];
+       u8 lro_cap[0x1];
+       u8 lro_psh_flag[0x1];
+       u8 lro_time_stamp[0x1];
+       u8 lro_max_msg_sz_mode[0x2];
+       u8 wqe_vlan_insert[0x1];
+       u8 self_lb_en_modifiable[0x1];
+       u8 self_lb_mc[0x1];
+       u8 self_lb_uc[0x1];
+       u8 max_lso_cap[0x5];
+       u8 multi_pkt_send_wqe[0x2];
+       u8 wqe_inline_mode[0x2];
+       u8 rss_ind_tbl_cap[0x4];
+       u8 reg_umr_sq[0x1];
+       u8 scatter_fcs[0x1];
+       u8 enhanced_multi_pkt_send_wqe[0x1];
+       u8 tunnel_lso_const_out_ip_id[0x1];
+       u8 tunnel_lro_gre[0x1];
+       u8 tunnel_lro_vxlan[0x1];
+       u8 tunnel_stateless_gre[0x1];
+       u8 tunnel_stateless_vxlan[0x1];
+       u8 swp[0x1];
+       u8 swp_csum[0x1];
+       u8 swp_lso[0x1];
+       u8 reserved_at_23[0xd];
+       u8 max_vxlan_udp_ports[0x8];
+       u8 reserved_at_38[0x6];
+       u8 max_geneve_opt_len[0x1];
+       u8 tunnel_stateless_geneve_rx[0x1];
+       u8 reserved_at_40[0x10];
+       u8 lro_min_mss_size[0x10];
+       u8 reserved_at_60[0x120];
+       u8 lro_timer_supported_periods[4][0x20];
+       u8 reserved_at_200[0x600];
+};
+
 union mlx5_ifc_hca_cap_union_bits {
        struct mlx5_ifc_cmd_hca_cap_bits cmd_hca_cap;
+       struct mlx5_ifc_per_protocol_networking_offload_caps_bits
+              per_protocol_networking_offload_caps;
        struct mlx5_ifc_qos_cap_bits qos_cap;
        u8 reserved_at_0[0x8000];
 };
@@ -941,6 +1172,102 @@ struct mlx5_ifc_query_hca_cap_in_bits {
        u8 reserved_at_40[0x40];
 };
 
+struct mlx5_ifc_mac_address_layout_bits {
+       u8 reserved_at_0[0x10];
+       u8 mac_addr_47_32[0x10];
+       u8 mac_addr_31_0[0x20];
+};
+
+struct mlx5_ifc_nic_vport_context_bits {
+       u8 reserved_at_0[0x5];
+       u8 min_wqe_inline_mode[0x3];
+       u8 reserved_at_8[0x15];
+       u8 disable_mc_local_lb[0x1];
+       u8 disable_uc_local_lb[0x1];
+       u8 roce_en[0x1];
+       u8 arm_change_event[0x1];
+       u8 reserved_at_21[0x1a];
+       u8 event_on_mtu[0x1];
+       u8 event_on_promisc_change[0x1];
+       u8 event_on_vlan_change[0x1];
+       u8 event_on_mc_address_change[0x1];
+       u8 event_on_uc_address_change[0x1];
+       u8 reserved_at_40[0xc];
+       u8 affiliation_criteria[0x4];
+       u8 affiliated_vhca_id[0x10];
+       u8 reserved_at_60[0xd0];
+       u8 mtu[0x10];
+       u8 system_image_guid[0x40];
+       u8 port_guid[0x40];
+       u8 node_guid[0x40];
+       u8 reserved_at_200[0x140];
+       u8 qkey_violation_counter[0x10];
+       u8 reserved_at_350[0x430];
+       u8 promisc_uc[0x1];
+       u8 promisc_mc[0x1];
+       u8 promisc_all[0x1];
+       u8 reserved_at_783[0x2];
+       u8 allowed_list_type[0x3];
+       u8 reserved_at_788[0xc];
+       u8 allowed_list_size[0xc];
+       struct mlx5_ifc_mac_address_layout_bits permanent_address;
+       u8 reserved_at_7e0[0x20];
+};
+
+struct mlx5_ifc_query_nic_vport_context_out_bits {
+       u8 status[0x8];
+       u8 reserved_at_8[0x18];
+       u8 syndrome[0x20];
+       u8 reserved_at_40[0x40];
+       struct mlx5_ifc_nic_vport_context_bits nic_vport_context;
+};
+
+struct mlx5_ifc_query_nic_vport_context_in_bits {
+       u8 opcode[0x10];
+       u8 reserved_at_10[0x10];
+       u8 reserved_at_20[0x10];
+       u8 op_mod[0x10];
+       u8 other_vport[0x1];
+       u8 reserved_at_41[0xf];
+       u8 vport_number[0x10];
+       u8 reserved_at_60[0x5];
+       u8 allowed_list_type[0x3];
+       u8 reserved_at_68[0x18];
+};
+
+struct mlx5_ifc_tisc_bits {
+       u8 strict_lag_tx_port_affinity[0x1];
+       u8 reserved_at_1[0x3];
+       u8 lag_tx_port_affinity[0x04];
+       u8 reserved_at_8[0x4];
+       u8 prio[0x4];
+       u8 reserved_at_10[0x10];
+       u8 reserved_at_20[0x100];
+       u8 reserved_at_120[0x8];
+       u8 transport_domain[0x18];
+       u8 reserved_at_140[0x8];
+       u8 underlay_qpn[0x18];
+       u8 reserved_at_160[0x3a0];
+};
+
+struct mlx5_ifc_query_tis_out_bits {
+       u8 status[0x8];
+       u8 reserved_at_8[0x18];
+       u8 syndrome[0x20];
+       u8 reserved_at_40[0x40];
+       struct mlx5_ifc_tisc_bits tis_context;
+};
+
+struct mlx5_ifc_query_tis_in_bits {
+       u8 opcode[0x10];
+       u8 reserved_at_10[0x10];
+       u8 reserved_at_20[0x10];
+       u8 op_mod[0x10];
+       u8 reserved_at_40[0x8];
+       u8 tisn[0x18];
+       u8 reserved_at_60[0x20];
+};
+
 /* CQE format mask. */
 #define MLX5E_CQE_FORMAT_MASK 0xc