ceph/src/seastar/dpdk/drivers/crypto/octeontx/otx_cryptodev_mbox.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #ifndef _OTX_CRYPTODEV_MBOX_H_
   6 #define _OTX_CRYPTODEV_MBOX_H_
   7
   8 #include <rte_byteorder.h>
   9 #include <rte_common.h>
  10
  11 #include "cpt_common.h"
  12 #include "cpt_pmd_logs.h"
  13
  14 #include "otx_cryptodev_hw_access.h"
  15
  16 #define OTX_CPT_MBOX_MSG_TIMEOUT    2000 /* In Milli Seconds */
  17
  18 #define OTX_CPT_MBOX_MSG_TYPE_REQ       0
  19 #define OTX_CPT_MBOX_MSG_TYPE_ACK       1
  20 #define OTX_CPT_MBOX_MSG_TYPE_NACK      2
  21 #define OTX_CPT_MBOX_MSG_TYPE_NOP       3
  22
  23 /* CPT mailbox structure */
  24 struct cpt_mbox {
  25         /** Message type MBOX[0] */
  26         uint64_t msg;
  27         /** Data         MBOX[1] */
  28         uint64_t data;
  29 };
  30
  31 typedef enum {
  32         OTX_CPT_MSG_VF_UP = 1,
  33         OTX_CPT_MSG_VF_DOWN,
  34         OTX_CPT_MSG_READY,
  35         OTX_CPT_MSG_QLEN,
  36         OTX_CPT_MSG_QBIND_GRP,
  37         OTX_CPT_MSG_VQ_PRIORITY,
  38         OTX_CPT_MSG_PF_TYPE,
  39 } otx_cpt_mbox_opcode_t;
  40
  41 typedef union {
  42         uint64_t u64;
  43         struct {
  44 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
  45                 uint32_t chip_id;
  46                 uint8_t vfid;
  47                 uint8_t reserved[3];
  48 #else
  49                 uint8_t reserved[3];
  50                 uint8_t vfid;
  51                 uint32_t chip_id;
  52 #endif
  53         } s;
  54 } otx_cpt_chipid_vfid_t;
  55
  56 /* Poll handler to handle mailbox messages from VFs */
  57 void
  58 otx_cpt_handle_mbox_intr(struct cpt_vf *cptvf);
  59
  60 /*
  61  * Checks if VF is able to comminicate with PF
  62  * and also gets the CPT number this VF is associated to.
  63  */
  64 int
  65 otx_cpt_check_pf_ready(struct cpt_vf *cptvf);
  66
  67 /*
  68  * Communicate VQs size to PF to program CPT(0)_PF_Q(0-15)_CTL of the VF.
  69  * Must be ACKed.
  70  */
  71 int
  72 otx_cpt_send_vq_size_msg(struct cpt_vf *cptvf);
  73
  74 /*
  75  * Communicate VF group required to PF and get the VQ binded to that group
  76  */
  77 int
  78 otx_cpt_send_vf_grp_msg(struct cpt_vf *cptvf, uint32_t group);
  79
  80 /*
  81  * Communicate to PF that VF is UP and running
  82  */
  83 int
  84 otx_cpt_send_vf_up(struct cpt_vf *cptvf);
  85
  86 /*
  87  * Communicate to PF that VF is DOWN and running
  88  */
  89 int
  90 otx_cpt_send_vf_down(struct cpt_vf *cptvf);
  91
  92 #endif /* _OTX_CRYPTODEV_MBOX_H_ */