ceph/src/seastar/dpdk/drivers/common/cpt/cpt_common.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #ifndef _CPT_COMMON_H_
   6 #define _CPT_COMMON_H_
   7
   8 #include <rte_mempool.h>
   9
  10 /*
  11  * This file defines common macros and structs
  12  */
  13
  14 #define TIME_IN_RESET_COUNT     5
  15
  16 /* Default command timeout in seconds */
  17 #define DEFAULT_COMMAND_TIMEOUT 4
  18
  19 #define CPT_COUNT_THOLD         32
  20 #define CPT_TIMER_THOLD         0x3F
  21
  22 #define AE_TYPE 1
  23 #define SE_TYPE 2
  24
  25 #ifndef ROUNDUP4
  26 #define ROUNDUP4(val)   (((val) + 3) & 0xfffffffc)
  27 #endif
  28
  29 #ifndef ROUNDUP8
  30 #define ROUNDUP8(val)   (((val) + 7) & 0xfffffff8)
  31 #endif
  32
  33 #ifndef ROUNDUP16
  34 #define ROUNDUP16(val)  (((val) + 15) & 0xfffffff0)
  35 #endif
  36
  37 #ifndef __hot
  38 #define __hot __attribute__((hot))
  39 #endif
  40
  41 #define MOD_INC(i, l)   ((i) == (l - 1) ? (i) = 0 : (i)++)
  42
  43 struct cpt_qp_meta_info {
  44         struct rte_mempool *pool;
  45         int sg_mlen;
  46         int lb_mlen;
  47 };
  48
  49 struct rid {
  50         /** Request id of a crypto operation */
  51         uintptr_t rid;
  52 };
  53
  54 /*
  55  * Pending queue structure
  56  *
  57  */
  58 struct pending_queue {
  59         /** Pending requests count */
  60         uint64_t pending_count;
  61         /** Array of pending requests */
  62         struct rid *rid_queue;
  63         /** Tail of queue to be used for enqueue */
  64         uint16_t enq_tail;
  65         /** Head of queue to be used for dequeue */
  66         uint16_t deq_head;
  67 };
  68
  69 struct cpt_request_info {
  70         /** Data path fields */
  71         uint64_t comp_baddr;
  72         volatile uint64_t *completion_addr;
  73         volatile uint64_t *alternate_caddr;
  74         void *op;
  75         struct {
  76                 uint64_t ei0;
  77                 uint64_t ei1;
  78                 uint64_t ei2;
  79                 uint64_t ei3;
  80         } ist;
  81
  82         /** Control path fields */
  83         uint64_t time_out;
  84         uint8_t extra_time;
  85 } __rte_cache_aligned;
  86
  87 #endif /* _CPT_COMMON_H_ */