include/linux/mlx5/mlx5_ifc_vdpa.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2020 Mellanox Technologies Ltd. */
   3
   4 #ifndef __MLX5_IFC_VDPA_H_
   5 #define __MLX5_IFC_VDPA_H_
   6
   7 enum {
   8         MLX5_VIRTIO_Q_EVENT_MODE_NO_MSIX_MODE  = 0x0,
   9         MLX5_VIRTIO_Q_EVENT_MODE_QP_MODE       = 0x1,
  10         MLX5_VIRTIO_Q_EVENT_MODE_MSIX_MODE     = 0x2,
  11 };
  12
  13 enum {
  14         MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT   = 0,
  15         MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED  = 1,
  16 };
  17
  18 enum {
  19         MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT =
  20                 BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT),
  21         MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED =
  22                 BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED),
  23 };
  24
  25 struct mlx5_ifc_virtio_q_bits {
  26         u8    virtio_q_type[0x8];
  27         u8    reserved_at_8[0x5];
  28         u8    event_mode[0x3];
  29         u8    queue_index[0x10];
  30
  31         u8    full_emulation[0x1];
  32         u8    virtio_version_1_0[0x1];
  33         u8    reserved_at_22[0x2];
  34         u8    offload_type[0x4];
  35         u8    event_qpn_or_msix[0x18];
  36
  37         u8    doorbell_stride_index[0x10];
  38         u8    queue_size[0x10];
  39
  40         u8    device_emulation_id[0x20];
  41
  42         u8    desc_addr[0x40];
  43
  44         u8    used_addr[0x40];
  45
  46         u8    available_addr[0x40];
  47
  48         u8    virtio_q_mkey[0x20];
  49
  50         u8    max_tunnel_desc[0x10];
  51         u8    reserved_at_170[0x8];
  52         u8    error_type[0x8];
  53
  54         u8    umem_1_id[0x20];
  55
  56         u8    umem_1_size[0x20];
  57
  58         u8    umem_1_offset[0x40];
  59
  60         u8    umem_2_id[0x20];
  61
  62         u8    umem_2_size[0x20];
  63
  64         u8    umem_2_offset[0x40];
  65
  66         u8    umem_3_id[0x20];
  67
  68         u8    umem_3_size[0x20];
  69
  70         u8    umem_3_offset[0x40];
  71
  72         u8    counter_set_id[0x20];
  73
  74         u8    reserved_at_320[0x8];
  75         u8    pd[0x18];
  76
  77         u8    reserved_at_340[0xc0];
  78 };
  79
  80 struct mlx5_ifc_virtio_net_q_object_bits {
  81         u8    modify_field_select[0x40];
  82
  83         u8    reserved_at_40[0x20];
  84
  85         u8    vhca_id[0x10];
  86         u8    reserved_at_70[0x10];
  87
  88         u8    queue_feature_bit_mask_12_3[0xa];
  89         u8    dirty_bitmap_dump_enable[0x1];
  90         u8    vhost_log_page[0x5];
  91         u8    reserved_at_90[0xc];
  92         u8    state[0x4];
  93
  94         u8    reserved_at_a0[0x5];
  95         u8    queue_feature_bit_mask_2_0[0x3];
  96         u8    tisn_or_qpn[0x18];
  97
  98         u8    dirty_bitmap_mkey[0x20];
  99
 100         u8    dirty_bitmap_size[0x20];
 101
 102         u8    dirty_bitmap_addr[0x40];
 103
 104         u8    hw_available_index[0x10];
 105         u8    hw_used_index[0x10];
 106
 107         u8    reserved_at_160[0xa0];
 108
 109         struct mlx5_ifc_virtio_q_bits virtio_q_context;
 110 };
 111
 112 struct mlx5_ifc_create_virtio_net_q_in_bits {
 113         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 114
 115         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 116 };
 117
 118 struct mlx5_ifc_create_virtio_net_q_out_bits {
 119         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 120 };
 121
 122 struct mlx5_ifc_destroy_virtio_net_q_in_bits {
 123         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_out_cmd_hdr;
 124 };
 125
 126 struct mlx5_ifc_destroy_virtio_net_q_out_bits {
 127         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 128 };
 129
 130 struct mlx5_ifc_query_virtio_net_q_in_bits {
 131         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 132 };
 133
 134 struct mlx5_ifc_query_virtio_net_q_out_bits {
 135         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 136
 137         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 138 };
 139
 140 enum {
 141         MLX5_VIRTQ_MODIFY_MASK_STATE                    = (u64)1 << 0,
 142         MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_PARAMS      = (u64)1 << 3,
 143         MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_DUMP_ENABLE = (u64)1 << 4,
 144 };
 145
 146 enum {
 147         MLX5_VIRTIO_NET_Q_OBJECT_STATE_INIT     = 0x0,
 148         MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY      = 0x1,
 149         MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND  = 0x2,
 150         MLX5_VIRTIO_NET_Q_OBJECT_STATE_ERR      = 0x3,
 151 };
 152
 153 /* This indicates that the object was not created or has already
 154  * been desroyed. It is very safe to assume that this object will never
 155  * have so many states
 156  */
 157 enum {
 158         MLX5_VIRTIO_NET_Q_OBJECT_NONE = 0xffffffff
 159 };
 160
 161 enum {
 162         MLX5_RQTC_LIST_Q_TYPE_RQ            = 0x0,
 163         MLX5_RQTC_LIST_Q_TYPE_VIRTIO_NET_Q  = 0x1,
 164 };
 165
 166 struct mlx5_ifc_modify_virtio_net_q_in_bits {
 167         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 168
 169         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 170 };
 171
 172 struct mlx5_ifc_modify_virtio_net_q_out_bits {
 173         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 174 };
 175
 176 struct mlx5_ifc_virtio_q_counters_bits {
 177         u8    modify_field_select[0x40];
 178         u8    reserved_at_40[0x40];
 179         u8    received_desc[0x40];
 180         u8    completed_desc[0x40];
 181         u8    error_cqes[0x20];
 182         u8    bad_desc_errors[0x20];
 183         u8    exceed_max_chain[0x20];
 184         u8    invalid_buffer[0x20];
 185         u8    reserved_at_180[0x280];
 186 };
 187
 188 struct mlx5_ifc_create_virtio_q_counters_in_bits {
 189         struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
 190         struct mlx5_ifc_virtio_q_counters_bits virtio_q_counters;
 191 };
 192
 193 struct mlx5_ifc_create_virtio_q_counters_out_bits {
 194         struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
 195         struct mlx5_ifc_virtio_q_counters_bits virtio_q_counters;
 196 };
 197
 198 struct mlx5_ifc_destroy_virtio_q_counters_in_bits {
 199         struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
 200 };
 201
 202 struct mlx5_ifc_destroy_virtio_q_counters_out_bits {
 203         struct mlx5_ifc_general_obj_out_cmd_hdr_bits hdr;
 204 };
 205
 206 struct mlx5_ifc_query_virtio_q_counters_in_bits {
 207         struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
 208 };
 209
 210 struct mlx5_ifc_query_virtio_q_counters_out_bits {
 211         struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
 212         struct mlx5_ifc_virtio_q_counters_bits counters;
 213 };
 214
 215 #endif /* __MLX5_IFC_VDPA_H_ */