mlx5_devx_cmd_mkey_create(struct ibv_context *ctx,
struct mlx5_devx_mkey_attr *attr)
{
- uint32_t in[MLX5_ST_SZ_DW(create_mkey_in)] = {0};
+ struct mlx5_klm *klm_array = attr->klm_array;
+ int klm_num = attr->klm_num;
+ int in_size_dw = MLX5_ST_SZ_DW(create_mkey_in) +
+ (klm_num ? RTE_ALIGN(klm_num, 4) : 0) * MLX5_ST_SZ_DW(klm);
+ uint32_t in[in_size_dw];
uint32_t out[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
void *mkc;
struct mlx5_devx_obj *mkey = rte_zmalloc("mkey", sizeof(*mkey), 0);
rte_errno = ENOMEM;
return NULL;
}
+ memset(in, 0, in_size_dw * 4);
pgsize = sysconf(_SC_PAGESIZE);
- translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
+ mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
+ if (klm_num > 0) {
+ int i;
+ uint8_t *klm = (uint8_t *)MLX5_ADDR_OF(create_mkey_in, in,
+ klm_pas_mtt);
+ translation_size = RTE_ALIGN(klm_num, 4);
+ for (i = 0; i < klm_num; i++) {
+ MLX5_SET(klm, klm, byte_count, klm_array[i].byte_count);
+ MLX5_SET(klm, klm, mkey, klm_array[i].mkey);
+ MLX5_SET64(klm, klm, address, klm_array[i].address);
+ klm += MLX5_ST_SZ_BYTES(klm);
+ }
+ for (; i < (int)translation_size; i++) {
+ MLX5_SET(klm, klm, mkey, 0x0);
+ MLX5_SET64(klm, klm, address, 0x0);
+ klm += MLX5_ST_SZ_BYTES(klm);
+ }
+ MLX5_SET(mkc, mkc, access_mode_1_0, attr->log_entity_size ?
+ MLX5_MKC_ACCESS_MODE_KLM_FBS :
+ MLX5_MKC_ACCESS_MODE_KLM);
+ MLX5_SET(mkc, mkc, log_page_size, attr->log_entity_size);
+ } else {
+ translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
+ MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
+ MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
+ }
MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
translation_size);
MLX5_SET(create_mkey_in, in, mkey_umem_id, attr->umem_id);
- mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
+ MLX5_SET(create_mkey_in, in, pg_access, attr->pg_access);
MLX5_SET(mkc, mkc, lw, 0x1);
MLX5_SET(mkc, mkc, lr, 0x1);
- MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
MLX5_SET(mkc, mkc, qpn, 0xffffff);
MLX5_SET(mkc, mkc, pd, attr->pd);
MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
MLX5_SET64(mkc, mkc, start_addr, attr->addr);
MLX5_SET64(mkc, mkc, len, attr->size);
- MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
- mkey->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
+ mkey->obj = mlx5_glue->devx_obj_create(ctx, in, in_size_dw * 4, out,
sizeof(out));
if (!mkey->obj) {
- DRV_LOG(ERR, "Can't create mkey - error %d", errno);
+ DRV_LOG(ERR, "Can't create %sdirect mkey - error %d\n",
+ klm_num ? "an in" : "a ", errno);
rte_errno = errno;
rte_free(mkey);
return NULL;