drivers/infiniband/hw/efa/efa_regs_defs.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
   2 /*
   3  * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
   4  */
   5
   6 #ifndef _EFA_REGS_H_
   7 #define _EFA_REGS_H_
   8
   9 enum efa_regs_reset_reason_types {
  10         EFA_REGS_RESET_NORMAL                       = 0,
  11         /* Keep alive timeout */
  12         EFA_REGS_RESET_KEEP_ALIVE_TO                = 1,
  13         EFA_REGS_RESET_ADMIN_TO                     = 2,
  14         EFA_REGS_RESET_INIT_ERR                     = 3,
  15         EFA_REGS_RESET_DRIVER_INVALID_STATE         = 4,
  16         EFA_REGS_RESET_OS_TRIGGER                   = 5,
  17         EFA_REGS_RESET_SHUTDOWN                     = 6,
  18         EFA_REGS_RESET_USER_TRIGGER                 = 7,
  19         EFA_REGS_RESET_GENERIC                      = 8,
  20 };
  21
  22 /* efa_registers offsets */
  23
  24 /* 0 base */
  25 #define EFA_REGS_VERSION_OFF                                0x0
  26 #define EFA_REGS_CONTROLLER_VERSION_OFF                     0x4
  27 #define EFA_REGS_CAPS_OFF                                   0x8
  28 #define EFA_REGS_AQ_BASE_LO_OFF                             0x10
  29 #define EFA_REGS_AQ_BASE_HI_OFF                             0x14
  30 #define EFA_REGS_AQ_CAPS_OFF                                0x18
  31 #define EFA_REGS_ACQ_BASE_LO_OFF                            0x20
  32 #define EFA_REGS_ACQ_BASE_HI_OFF                            0x24
  33 #define EFA_REGS_ACQ_CAPS_OFF                               0x28
  34 #define EFA_REGS_AQ_PROD_DB_OFF                             0x2c
  35 #define EFA_REGS_AENQ_CAPS_OFF                              0x34
  36 #define EFA_REGS_AENQ_BASE_LO_OFF                           0x38
  37 #define EFA_REGS_AENQ_BASE_HI_OFF                           0x3c
  38 #define EFA_REGS_AENQ_CONS_DB_OFF                           0x40
  39 #define EFA_REGS_INTR_MASK_OFF                              0x4c
  40 #define EFA_REGS_DEV_CTL_OFF                                0x54
  41 #define EFA_REGS_DEV_STS_OFF                                0x58
  42 #define EFA_REGS_MMIO_REG_READ_OFF                          0x5c
  43 #define EFA_REGS_MMIO_RESP_LO_OFF                           0x60
  44 #define EFA_REGS_MMIO_RESP_HI_OFF                           0x64
  45
  46 /* version register */
  47 #define EFA_REGS_VERSION_MINOR_VERSION_MASK                 0xff
  48 #define EFA_REGS_VERSION_MAJOR_VERSION_SHIFT                8
  49 #define EFA_REGS_VERSION_MAJOR_VERSION_MASK                 0xff00
  50
  51 /* controller_version register */
  52 #define EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK   0xff
  53 #define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT     8
  54 #define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK      0xff00
  55 #define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT     16
  56 #define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK      0xff0000
  57 #define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT           24
  58 #define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK            0xff000000
  59
  60 /* caps register */
  61 #define EFA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK        0x1
  62 #define EFA_REGS_CAPS_RESET_TIMEOUT_SHIFT                   1
  63 #define EFA_REGS_CAPS_RESET_TIMEOUT_MASK                    0x3e
  64 #define EFA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT                  8
  65 #define EFA_REGS_CAPS_DMA_ADDR_WIDTH_MASK                   0xff00
  66 #define EFA_REGS_CAPS_ADMIN_CMD_TO_SHIFT                    16
  67 #define EFA_REGS_CAPS_ADMIN_CMD_TO_MASK                     0xf0000
  68
  69 /* aq_caps register */
  70 #define EFA_REGS_AQ_CAPS_AQ_DEPTH_MASK                      0xffff
  71 #define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT                16
  72 #define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK                 0xffff0000
  73
  74 /* acq_caps register */
  75 #define EFA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK                    0xffff
  76 #define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT              16
  77 #define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK               0xff0000
  78 #define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_SHIFT             24
  79 #define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_MASK              0xff000000
  80
  81 /* aenq_caps register */
  82 #define EFA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK                  0xffff
  83 #define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT            16
  84 #define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK             0xff0000
  85 #define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_SHIFT           24
  86 #define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_MASK            0xff000000
  87
  88 /* dev_ctl register */
  89 #define EFA_REGS_DEV_CTL_DEV_RESET_MASK                     0x1
  90 #define EFA_REGS_DEV_CTL_AQ_RESTART_SHIFT                   1
  91 #define EFA_REGS_DEV_CTL_AQ_RESTART_MASK                    0x2
  92 #define EFA_REGS_DEV_CTL_RESET_REASON_SHIFT                 28
  93 #define EFA_REGS_DEV_CTL_RESET_REASON_MASK                  0xf0000000
  94
  95 /* dev_sts register */
  96 #define EFA_REGS_DEV_STS_READY_MASK                         0x1
  97 #define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT       1
  98 #define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK        0x2
  99 #define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT          2
 100 #define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK           0x4
 101 #define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT            3
 102 #define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK             0x8
 103 #define EFA_REGS_DEV_STS_RESET_FINISHED_SHIFT               4
 104 #define EFA_REGS_DEV_STS_RESET_FINISHED_MASK                0x10
 105 #define EFA_REGS_DEV_STS_FATAL_ERROR_SHIFT                  5
 106 #define EFA_REGS_DEV_STS_FATAL_ERROR_MASK                   0x20
 107
 108 /* mmio_reg_read register */
 109 #define EFA_REGS_MMIO_REG_READ_REQ_ID_MASK                  0xffff
 110 #define EFA_REGS_MMIO_REG_READ_REG_OFF_SHIFT                16
 111 #define EFA_REGS_MMIO_REG_READ_REG_OFF_MASK                 0xffff0000
 112
 113 #endif /* _EFA_REGS_H_ */