ena_regs_defs.h revision 368013
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * * Neither the name of copyright holder nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33#ifndef _ENA_REGS_H_
34#define _ENA_REGS_H_
35
36enum ena_regs_reset_reason_types {
37	ENA_REGS_RESET_NORMAL                       = 0,
38	ENA_REGS_RESET_KEEP_ALIVE_TO                = 1,
39	ENA_REGS_RESET_ADMIN_TO                     = 2,
40	ENA_REGS_RESET_MISS_TX_CMPL                 = 3,
41	ENA_REGS_RESET_INV_RX_REQ_ID                = 4,
42	ENA_REGS_RESET_INV_TX_REQ_ID                = 5,
43	ENA_REGS_RESET_TOO_MANY_RX_DESCS            = 6,
44	ENA_REGS_RESET_INIT_ERR                     = 7,
45	ENA_REGS_RESET_DRIVER_INVALID_STATE         = 8,
46	ENA_REGS_RESET_OS_TRIGGER                   = 9,
47	ENA_REGS_RESET_OS_NETDEV_WD                 = 10,
48	ENA_REGS_RESET_SHUTDOWN                     = 11,
49	ENA_REGS_RESET_USER_TRIGGER                 = 12,
50	ENA_REGS_RESET_GENERIC                      = 13,
51	ENA_REGS_RESET_MISS_INTERRUPT               = 14,
52	ENA_REGS_RESET_LAST,
53};
54
55/* ena_registers offsets */
56
57/* 0 base */
58#define ENA_REGS_VERSION_OFF                                0x0
59#define ENA_REGS_CONTROLLER_VERSION_OFF                     0x4
60#define ENA_REGS_CAPS_OFF                                   0x8
61#define ENA_REGS_CAPS_EXT_OFF                               0xc
62#define ENA_REGS_AQ_BASE_LO_OFF                             0x10
63#define ENA_REGS_AQ_BASE_HI_OFF                             0x14
64#define ENA_REGS_AQ_CAPS_OFF                                0x18
65#define ENA_REGS_ACQ_BASE_LO_OFF                            0x20
66#define ENA_REGS_ACQ_BASE_HI_OFF                            0x24
67#define ENA_REGS_ACQ_CAPS_OFF                               0x28
68#define ENA_REGS_AQ_DB_OFF                                  0x2c
69#define ENA_REGS_ACQ_TAIL_OFF                               0x30
70#define ENA_REGS_AENQ_CAPS_OFF                              0x34
71#define ENA_REGS_AENQ_BASE_LO_OFF                           0x38
72#define ENA_REGS_AENQ_BASE_HI_OFF                           0x3c
73#define ENA_REGS_AENQ_HEAD_DB_OFF                           0x40
74#define ENA_REGS_AENQ_TAIL_OFF                              0x44
75#define ENA_REGS_INTR_MASK_OFF                              0x4c
76#define ENA_REGS_DEV_CTL_OFF                                0x54
77#define ENA_REGS_DEV_STS_OFF                                0x58
78#define ENA_REGS_MMIO_REG_READ_OFF                          0x5c
79#define ENA_REGS_MMIO_RESP_LO_OFF                           0x60
80#define ENA_REGS_MMIO_RESP_HI_OFF                           0x64
81#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF                   0x68
82
83/* version register */
84#define ENA_REGS_VERSION_MINOR_VERSION_MASK                 0xff
85#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT                8
86#define ENA_REGS_VERSION_MAJOR_VERSION_MASK                 0xff00
87
88/* controller_version register */
89#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK   0xff
90#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT     8
91#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK      0xff00
92#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT     16
93#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK      0xff0000
94#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT           24
95#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK            0xff000000
96
97/* caps register */
98#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK        0x1
99#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT                   1
100#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK                    0x3e
101#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT                  8
102#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK                   0xff00
103#define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT                    16
104#define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK                     0xf0000
105
106/* aq_caps register */
107#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK                      0xffff
108#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT                16
109#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK                 0xffff0000
110
111/* acq_caps register */
112#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK                    0xffff
113#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT              16
114#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK               0xffff0000
115
116/* aenq_caps register */
117#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK                  0xffff
118#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT            16
119#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK             0xffff0000
120
121/* dev_ctl register */
122#define ENA_REGS_DEV_CTL_DEV_RESET_MASK                     0x1
123#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT                   1
124#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK                    0x2
125#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT                    2
126#define ENA_REGS_DEV_CTL_QUIESCENT_MASK                     0x4
127#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT                    3
128#define ENA_REGS_DEV_CTL_IO_RESUME_MASK                     0x8
129#define ENA_REGS_DEV_CTL_RESET_REASON_SHIFT                 28
130#define ENA_REGS_DEV_CTL_RESET_REASON_MASK                  0xf0000000
131
132/* dev_sts register */
133#define ENA_REGS_DEV_STS_READY_MASK                         0x1
134#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT       1
135#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK        0x2
136#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT          2
137#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK           0x4
138#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT            3
139#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK             0x8
140#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT               4
141#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK                0x10
142#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT                  5
143#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK                   0x20
144#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT  6
145#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK   0x40
146#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT     7
147#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK      0x80
148
149/* mmio_reg_read register */
150#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK                  0xffff
151#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT                16
152#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK                 0xffff0000
153
154/* rss_ind_entry_update register */
155#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK            0xffff
156#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT          16
157#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK           0xffff0000
158
159#endif /* _ENA_REGS_H_ */
160