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_CAP_VIRTIO_QUEUE_TYPE_SPLIT   = 0x1, // do I check this caps?
  15         MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED  = 0x2,
  16 };
  17
  18 enum {
  19         MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT   = 0,
  20         MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED  = 1,
  21 };
  22
  23 struct mlx5_ifc_virtio_q_bits {
  24         u8    virtio_q_type[0x8];
  25         u8    reserved_at_8[0x5];
  26         u8    event_mode[0x3];
  27         u8    queue_index[0x10];
  28
  29         u8    full_emulation[0x1];
  30         u8    virtio_version_1_0[0x1];
  31         u8    reserved_at_22[0x2];
  32         u8    offload_type[0x4];
  33         u8    event_qpn_or_msix[0x18];
  34
  35         u8    doorbell_stride_index[0x10];
  36         u8    queue_size[0x10];
  37
  38         u8    device_emulation_id[0x20];
  39
  40         u8    desc_addr[0x40];
  41
  42         u8    used_addr[0x40];
  43
  44         u8    available_addr[0x40];
  45
  46         u8    virtio_q_mkey[0x20];
  47
  48         u8    max_tunnel_desc[0x10];
  49         u8    reserved_at_170[0x8];
  50         u8    error_type[0x8];
  51
  52         u8    umem_1_id[0x20];
  53
  54         u8    umem_1_size[0x20];
  55
  56         u8    umem_1_offset[0x40];
  57
  58         u8    umem_2_id[0x20];
  59
  60         u8    umem_2_size[0x20];
  61
  62         u8    umem_2_offset[0x40];
  63
  64         u8    umem_3_id[0x20];
  65
  66         u8    umem_3_size[0x20];
  67
  68         u8    umem_3_offset[0x40];
  69
  70         u8    counter_set_id[0x20];
  71
  72         u8    reserved_at_320[0x8];
  73         u8    pd[0x18];
  74
  75         u8    reserved_at_340[0xc0];
  76 };
  77
  78 struct mlx5_ifc_virtio_net_q_object_bits {
  79         u8    modify_field_select[0x40];
  80
  81         u8    reserved_at_40[0x20];
  82
  83         u8    vhca_id[0x10];
  84         u8    reserved_at_70[0x10];
  85
  86         u8    queue_feature_bit_mask_12_3[0xa];
  87         u8    dirty_bitmap_dump_enable[0x1];
  88         u8    vhost_log_page[0x5];
  89         u8    reserved_at_90[0xc];
  90         u8    state[0x4];
  91
  92         u8    reserved_at_a0[0x5];
  93         u8    queue_feature_bit_mask_2_0[0x3];
  94         u8    tisn_or_qpn[0x18];
  95
  96         u8    dirty_bitmap_mkey[0x20];
  97
  98         u8    dirty_bitmap_size[0x20];
  99
 100         u8    dirty_bitmap_addr[0x40];
 101
 102         u8    hw_available_index[0x10];
 103         u8    hw_used_index[0x10];
 104
 105         u8    reserved_at_160[0xa0];
 106
 107         struct mlx5_ifc_virtio_q_bits virtio_q_context;
 108 };
 109
 110 struct mlx5_ifc_create_virtio_net_q_in_bits {
 111         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 112
 113         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 114 };
 115
 116 struct mlx5_ifc_create_virtio_net_q_out_bits {
 117         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 118 };
 119
 120 struct mlx5_ifc_destroy_virtio_net_q_in_bits {
 121         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_out_cmd_hdr;
 122 };
 123
 124 struct mlx5_ifc_destroy_virtio_net_q_out_bits {
 125         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 126 };
 127
 128 struct mlx5_ifc_query_virtio_net_q_in_bits {
 129         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 130 };
 131
 132 struct mlx5_ifc_query_virtio_net_q_out_bits {
 133         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 134
 135         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 136 };
 137
 138 enum {
 139         MLX5_VIRTQ_MODIFY_MASK_STATE                    = (u64)1 << 0,
 140         MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_PARAMS      = (u64)1 << 3,
 141         MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_DUMP_ENABLE = (u64)1 << 4,
 142 };
 143
 144 enum {
 145         MLX5_VIRTIO_NET_Q_OBJECT_STATE_INIT     = 0x0,
 146         MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY      = 0x1,
 147         MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND  = 0x2,
 148         MLX5_VIRTIO_NET_Q_OBJECT_STATE_ERR      = 0x3,
 149 };
 150
 151 enum {
 152         MLX5_RQTC_LIST_Q_TYPE_RQ            = 0x0,
 153         MLX5_RQTC_LIST_Q_TYPE_VIRTIO_NET_Q  = 0x1,
 154 };
 155
 156 struct mlx5_ifc_modify_virtio_net_q_in_bits {
 157         struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
 158
 159         struct mlx5_ifc_virtio_net_q_object_bits obj_context;
 160 };
 161
 162 struct mlx5_ifc_modify_virtio_net_q_out_bits {
 163         struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 164 };
 165
 166 #endif /* __MLX5_IFC_VDPA_H_ */