1/*-
2 * BSD LICENSE
3 *
4 * Copyright (c) 2015-2017 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
34#ifndef _ENA_REGS_H_
35#define _ENA_REGS_H_
36
37/* ena_registers offsets */
38#define ENA_REGS_VERSION_OFF		0x0
39#define ENA_REGS_CONTROLLER_VERSION_OFF		0x4
40#define ENA_REGS_CAPS_OFF		0x8
41#define ENA_REGS_CAPS_EXT_OFF		0xc
42#define ENA_REGS_AQ_BASE_LO_OFF		0x10
43#define ENA_REGS_AQ_BASE_HI_OFF		0x14
44#define ENA_REGS_AQ_CAPS_OFF		0x18
45#define ENA_REGS_ACQ_BASE_LO_OFF		0x20
46#define ENA_REGS_ACQ_BASE_HI_OFF		0x24
47#define ENA_REGS_ACQ_CAPS_OFF		0x28
48#define ENA_REGS_AQ_DB_OFF		0x2c
49#define ENA_REGS_ACQ_TAIL_OFF		0x30
50#define ENA_REGS_AENQ_CAPS_OFF		0x34
51#define ENA_REGS_AENQ_BASE_LO_OFF		0x38
52#define ENA_REGS_AENQ_BASE_HI_OFF		0x3c
53#define ENA_REGS_AENQ_HEAD_DB_OFF		0x40
54#define ENA_REGS_AENQ_TAIL_OFF		0x44
55#define ENA_REGS_INTR_MASK_OFF		0x4c
56#define ENA_REGS_DEV_CTL_OFF		0x54
57#define ENA_REGS_DEV_STS_OFF		0x58
58#define ENA_REGS_MMIO_REG_READ_OFF		0x5c
59#define ENA_REGS_MMIO_RESP_LO_OFF		0x60
60#define ENA_REGS_MMIO_RESP_HI_OFF		0x64
61#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF		0x68
62
63/* version register */
64#define ENA_REGS_VERSION_MINOR_VERSION_MASK		0xff
65#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT		8
66#define ENA_REGS_VERSION_MAJOR_VERSION_MASK		0xff00
67
68/* controller_version register */
69#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK		0xff
70#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT		8
71#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK		0xff00
72#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT		16
73#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK		0xff0000
74#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT		24
75#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK		0xff000000
76
77/* caps register */
78#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK		0x1
79#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT		1
80#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK		0x3e
81#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT		8
82#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK		0xff00
83#define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT		16
84#define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK		0xf0000
85
86/* aq_caps register */
87#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK		0xffff
88#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT		16
89#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK		0xffff0000
90
91/* acq_caps register */
92#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK		0xffff
93#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT		16
94#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK		0xffff0000
95
96/* aenq_caps register */
97#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK		0xffff
98#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT		16
99#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK		0xffff0000
100
101/* dev_ctl register */
102#define ENA_REGS_DEV_CTL_DEV_RESET_MASK		0x1
103#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT		1
104#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK		0x2
105#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT		2
106#define ENA_REGS_DEV_CTL_QUIESCENT_MASK		0x4
107#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT		3
108#define ENA_REGS_DEV_CTL_IO_RESUME_MASK		0x8
109
110/* dev_sts register */
111#define ENA_REGS_DEV_STS_READY_MASK		0x1
112#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT		1
113#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK		0x2
114#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT		2
115#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK		0x4
116#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT		3
117#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK		0x8
118#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT		4
119#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK		0x10
120#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT		5
121#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK		0x20
122#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT		6
123#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK		0x40
124#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT		7
125#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK		0x80
126
127/* mmio_reg_read register */
128#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK		0xffff
129#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT		16
130#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK		0xffff0000
131
132/* rss_ind_entry_update register */
133#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK		0xffff
134#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT		16
135#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK		0xffff0000
136
137#endif /*_ENA_REGS_H_ */
138