drivers/dma/idxd/idxd_hw_defs.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2021 Intel Corporation
   3  */
   4
   5 #ifndef _IDXD_HW_DEFS_H_
   6 #define _IDXD_HW_DEFS_H_
   7
   8 #define IDXD_COMP_STATUS_INCOMPLETE        0
   9 #define IDXD_COMP_STATUS_SUCCESS           1
  10 #define IDXD_COMP_STATUS_INVALID_OPCODE 0x10
  11 #define IDXD_COMP_STATUS_INVALID_SIZE   0x13
  12 #define IDXD_COMP_STATUS_SKIPPED        0xFF /* not official IDXD error, needed as placeholder */
  13
  14 /**
  15  * Completion record structure written back by DSA
  16  */
  17 struct idxd_completion {
  18         uint8_t status;
  19         uint8_t result;
  20         /* 16-bits pad here */
  21         uint32_t completed_size; /* data length, or descriptors for batch */
  22
  23         rte_iova_t fault_address;
  24         uint32_t invalid_flags;
  25 } __rte_aligned(32);
  26
  27 #endif