drivers/net/ethernet/amazon/ena/ena_regs_defs.h

   1 /*
   2  * Copyright 2015 - 2016 Amazon.com, Inc. or its affiliates.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 #ifndef _ENA_REGS_H_
  33 #define _ENA_REGS_H_
  34
  35 /* ena_registers offsets */
  36 #define ENA_REGS_VERSION_OFF            0x0
  37 #define ENA_REGS_CONTROLLER_VERSION_OFF         0x4
  38 #define ENA_REGS_CAPS_OFF               0x8
  39 #define ENA_REGS_CAPS_EXT_OFF           0xc
  40 #define ENA_REGS_AQ_BASE_LO_OFF         0x10
  41 #define ENA_REGS_AQ_BASE_HI_OFF         0x14
  42 #define ENA_REGS_AQ_CAPS_OFF            0x18
  43 #define ENA_REGS_ACQ_BASE_LO_OFF                0x20
  44 #define ENA_REGS_ACQ_BASE_HI_OFF                0x24
  45 #define ENA_REGS_ACQ_CAPS_OFF           0x28
  46 #define ENA_REGS_AQ_DB_OFF              0x2c
  47 #define ENA_REGS_ACQ_TAIL_OFF           0x30
  48 #define ENA_REGS_AENQ_CAPS_OFF          0x34
  49 #define ENA_REGS_AENQ_BASE_LO_OFF               0x38
  50 #define ENA_REGS_AENQ_BASE_HI_OFF               0x3c
  51 #define ENA_REGS_AENQ_HEAD_DB_OFF               0x40
  52 #define ENA_REGS_AENQ_TAIL_OFF          0x44
  53 #define ENA_REGS_INTR_MASK_OFF          0x4c
  54 #define ENA_REGS_DEV_CTL_OFF            0x54
  55 #define ENA_REGS_DEV_STS_OFF            0x58
  56 #define ENA_REGS_MMIO_REG_READ_OFF              0x5c
  57 #define ENA_REGS_MMIO_RESP_LO_OFF               0x60
  58 #define ENA_REGS_MMIO_RESP_HI_OFF               0x64
  59 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF               0x68
  60
  61 /* version register */
  62 #define ENA_REGS_VERSION_MINOR_VERSION_MASK             0xff
  63 #define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT            8
  64 #define ENA_REGS_VERSION_MAJOR_VERSION_MASK             0xff00
  65
  66 /* controller_version register */
  67 #define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK               0xff
  68 #define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT         8
  69 #define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK          0xff00
  70 #define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT         16
  71 #define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK          0xff0000
  72 #define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT               24
  73 #define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK                0xff000000
  74
  75 /* caps register */
  76 #define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK            0x1
  77 #define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT               1
  78 #define ENA_REGS_CAPS_RESET_TIMEOUT_MASK                0x3e
  79 #define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT              8
  80 #define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK               0xff00
  81
  82 /* aq_caps register */
  83 #define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK          0xffff
  84 #define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT            16
  85 #define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK             0xffff0000
  86
  87 /* acq_caps register */
  88 #define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK                0xffff
  89 #define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT          16
  90 #define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK           0xffff0000
  91
  92 /* aenq_caps register */
  93 #define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK              0xffff
  94 #define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT                16
  95 #define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK         0xffff0000
  96
  97 /* dev_ctl register */
  98 #define ENA_REGS_DEV_CTL_DEV_RESET_MASK         0x1
  99 #define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT               1
 100 #define ENA_REGS_DEV_CTL_AQ_RESTART_MASK                0x2
 101 #define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT                2
 102 #define ENA_REGS_DEV_CTL_QUIESCENT_MASK         0x4
 103 #define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT                3
 104 #define ENA_REGS_DEV_CTL_IO_RESUME_MASK         0x8
 105
 106 /* dev_sts register */
 107 #define ENA_REGS_DEV_STS_READY_MASK             0x1
 108 #define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT           1
 109 #define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK            0x2
 110 #define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT              2
 111 #define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK               0x4
 112 #define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT                3
 113 #define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK         0x8
 114 #define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT           4
 115 #define ENA_REGS_DEV_STS_RESET_FINISHED_MASK            0x10
 116 #define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT              5
 117 #define ENA_REGS_DEV_STS_FATAL_ERROR_MASK               0x20
 118 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT              6
 119 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK               0x40
 120 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT         7
 121 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK          0x80
 122
 123 /* mmio_reg_read register */
 124 #define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK              0xffff
 125 #define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT            16
 126 #define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK             0xffff0000
 127
 128 /* rss_ind_entry_update register */
 129 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK                0xffff
 130 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT              16
 131 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK               0xffff0000
 132
 133 #endif /*_ENA_REGS_H_ */