drivers/net/sfc/sfc_ethdev_state.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  * Copyright(c) 2019-2021 Xilinx, Inc.
   4  * Copyright(c) 2019 Solarflare Communications Inc.
   5  *
   6  * This software was jointly developed between OKTET Labs (under contract
   7  * for Solarflare) and Solarflare Communications, Inc.
   8  */
   9
  10 #ifndef _SFC_ETHDEV_STATE_H
  11 #define _SFC_ETHDEV_STATE_H
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 /*
  18  * +---------------+
  19  * | UNINITIALIZED |<-----------+
  20  * +---------------+            |
  21  *      |.eth_dev_init          |.eth_dev_uninit
  22  *      V                       |
  23  * +---------------+------------+
  24  * |  INITIALIZED  |
  25  * +---------------+<-----------<---------------+
  26  *      |.dev_configure         |               |
  27  *      V                       |failed         |
  28  * +---------------+------------+               |
  29  * |  CONFIGURING  |                            |
  30  * +---------------+----+                       |
  31  *      |success        |                       |
  32  *      |               |               +---------------+
  33  *      |               |               |    CLOSING    |
  34  *      |               |               +---------------+
  35  *      |               |                       ^
  36  *      V               |.dev_configure         |
  37  * +---------------+----+                       |.dev_close
  38  * |  CONFIGURED   |----------------------------+
  39  * +---------------+<-----------+
  40  *      |.dev_start             |
  41  *      V                       |
  42  * +---------------+            |
  43  * |   STARTING    |------------^
  44  * +---------------+ failed     |
  45  *      |success                |
  46  *      |               +---------------+
  47  *      |               |   STOPPING    |
  48  *      |               +---------------+
  49  *      |                       ^
  50  *      V                       |.dev_stop
  51  * +---------------+------------+
  52  * |    STARTED    |
  53  * +---------------+
  54  */
  55 enum sfc_ethdev_state {
  56         SFC_ETHDEV_UNINITIALIZED = 0,
  57         SFC_ETHDEV_INITIALIZED,
  58         SFC_ETHDEV_CONFIGURING,
  59         SFC_ETHDEV_CONFIGURED,
  60         SFC_ETHDEV_CLOSING,
  61         SFC_ETHDEV_STARTING,
  62         SFC_ETHDEV_STARTED,
  63         SFC_ETHDEV_STOPPING,
  64
  65         SFC_ETHDEV_NSTATES
  66 };
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #endif  /* _SFC_ETHDEV_STATE_H */