drivers/common/qat/qat_common.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation
   3  */
   4 #ifndef _QAT_COMMON_H_
   5 #define _QAT_COMMON_H_
   6
   7 #include <stdint.h>
   8
   9 #include <rte_mbuf.h>
  10
  11 /**< Intel(R) QAT device name for PCI registration */
  12 #define QAT_PCI_NAME    qat
  13 #define QAT_64_BTYE_ALIGN_MASK (~0x3f)
  14
  15 /* Intel(R) QuickAssist Technology device generation is enumerated
  16  * from one according to the generation of the device
  17  */
  18 enum qat_device_gen {
  19         QAT_GEN1 = 1,
  20         QAT_GEN2,
  21         QAT_GEN3,
  22         QAT_GEN4
  23 };
  24
  25 enum qat_service_type {
  26         QAT_SERVICE_ASYMMETRIC = 0,
  27         QAT_SERVICE_SYMMETRIC,
  28         QAT_SERVICE_COMPRESSION,
  29         QAT_SERVICE_INVALID
  30 };
  31
  32 #define QAT_MAX_SERVICES                (QAT_SERVICE_INVALID)
  33
  34 /**< Common struct for scatter-gather list operations */
  35 struct qat_flat_buf {
  36         uint32_t len;
  37         uint32_t resrvd;
  38         uint64_t addr;
  39 } __rte_packed;
  40
  41 #define qat_sgl_hdr  struct { \
  42         uint64_t resrvd; \
  43         uint32_t num_bufs; \
  44         uint32_t num_mapped_bufs; \
  45 }
  46
  47 __extension__
  48 struct qat_sgl {
  49         qat_sgl_hdr;
  50         /* flexible array of flat buffers*/
  51         struct qat_flat_buf buffers[0];
  52 } __rte_packed __rte_cache_aligned;
  53
  54 /** Common, i.e. not service-specific, statistics */
  55 struct qat_common_stats {
  56         uint64_t enqueued_count;
  57         /**< Count of all operations enqueued */
  58         uint64_t dequeued_count;
  59         /**< Count of all operations dequeued */
  60
  61         uint64_t enqueue_err_count;
  62         /**< Total error count on operations enqueued */
  63         uint64_t dequeue_err_count;
  64         /**< Total error count on operations dequeued */
  65         uint64_t threshold_hit_count;
  66         /**< Total number of times min qp threshold condition was fulfilled */
  67
  68 };
  69
  70 struct qat_pci_device;
  71
  72 int
  73 qat_sgl_fill_array(struct rte_mbuf *buf, int64_t offset,
  74                 void *list_in, uint32_t data_len,
  75                 const uint16_t max_segs);
  76 void
  77 qat_stats_get(struct qat_pci_device *dev,
  78                 struct qat_common_stats *stats,
  79                 enum qat_service_type service);
  80 void
  81 qat_stats_reset(struct qat_pci_device *dev,
  82                 enum qat_service_type service);
  83
  84 #endif /* _QAT_COMMON_H_ */