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