1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
3 * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
8 enum ena_regs_reset_reason_types {
9 ENA_REGS_RESET_NORMAL = 0,
10 ENA_REGS_RESET_KEEP_ALIVE_TO = 1,
11 ENA_REGS_RESET_ADMIN_TO = 2,
12 ENA_REGS_RESET_MISS_TX_CMPL = 3,
13 ENA_REGS_RESET_INV_RX_REQ_ID = 4,
14 ENA_REGS_RESET_INV_TX_REQ_ID = 5,
15 ENA_REGS_RESET_TOO_MANY_RX_DESCS = 6,
16 ENA_REGS_RESET_INIT_ERR = 7,
17 ENA_REGS_RESET_DRIVER_INVALID_STATE = 8,
18 ENA_REGS_RESET_OS_TRIGGER = 9,
19 ENA_REGS_RESET_OS_NETDEV_WD = 10,
20 ENA_REGS_RESET_SHUTDOWN = 11,
21 ENA_REGS_RESET_USER_TRIGGER = 12,
22 ENA_REGS_RESET_GENERIC = 13,
23 ENA_REGS_RESET_MISS_INTERRUPT = 14,
26 /* ena_registers offsets */
29 #define ENA_REGS_VERSION_OFF 0x0
30 #define ENA_REGS_CONTROLLER_VERSION_OFF 0x4
31 #define ENA_REGS_CAPS_OFF 0x8
32 #define ENA_REGS_CAPS_EXT_OFF 0xc
33 #define ENA_REGS_AQ_BASE_LO_OFF 0x10
34 #define ENA_REGS_AQ_BASE_HI_OFF 0x14
35 #define ENA_REGS_AQ_CAPS_OFF 0x18
36 #define ENA_REGS_ACQ_BASE_LO_OFF 0x20
37 #define ENA_REGS_ACQ_BASE_HI_OFF 0x24
38 #define ENA_REGS_ACQ_CAPS_OFF 0x28
39 #define ENA_REGS_AQ_DB_OFF 0x2c
40 #define ENA_REGS_ACQ_TAIL_OFF 0x30
41 #define ENA_REGS_AENQ_CAPS_OFF 0x34
42 #define ENA_REGS_AENQ_BASE_LO_OFF 0x38
43 #define ENA_REGS_AENQ_BASE_HI_OFF 0x3c
44 #define ENA_REGS_AENQ_HEAD_DB_OFF 0x40
45 #define ENA_REGS_AENQ_TAIL_OFF 0x44
46 #define ENA_REGS_INTR_MASK_OFF 0x4c
47 #define ENA_REGS_DEV_CTL_OFF 0x54
48 #define ENA_REGS_DEV_STS_OFF 0x58
49 #define ENA_REGS_MMIO_REG_READ_OFF 0x5c
50 #define ENA_REGS_MMIO_RESP_LO_OFF 0x60
51 #define ENA_REGS_MMIO_RESP_HI_OFF 0x64
52 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF 0x68
54 /* version register */
55 #define ENA_REGS_VERSION_MINOR_VERSION_MASK 0xff
56 #define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT 8
57 #define ENA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00
59 /* controller_version register */
60 #define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff
61 #define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8
62 #define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00
63 #define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16
64 #define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000
65 #define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24
66 #define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000
69 #define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1
70 #define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1
71 #define ENA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e
72 #define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8
73 #define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00
74 #define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT 16
75 #define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000
77 /* aq_caps register */
78 #define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff
79 #define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16
80 #define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000
82 /* acq_caps register */
83 #define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff
84 #define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16
85 #define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xffff0000
87 /* aenq_caps register */
88 #define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff
89 #define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16
90 #define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xffff0000
92 /* dev_ctl register */
93 #define ENA_REGS_DEV_CTL_DEV_RESET_MASK 0x1
94 #define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1
95 #define ENA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2
96 #define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT 2
97 #define ENA_REGS_DEV_CTL_QUIESCENT_MASK 0x4
98 #define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT 3
99 #define ENA_REGS_DEV_CTL_IO_RESUME_MASK 0x8
100 #define ENA_REGS_DEV_CTL_RESET_REASON_SHIFT 28
101 #define ENA_REGS_DEV_CTL_RESET_REASON_MASK 0xf0000000
103 /* dev_sts register */
104 #define ENA_REGS_DEV_STS_READY_MASK 0x1
105 #define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1
106 #define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2
107 #define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2
108 #define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4
109 #define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3
110 #define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8
111 #define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4
112 #define ENA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10
113 #define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5
114 #define ENA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20
115 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT 6
116 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK 0x40
117 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT 7
118 #define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK 0x80
120 /* mmio_reg_read register */
121 #define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff
122 #define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16
123 #define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000
125 /* rss_ind_entry_update register */
126 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK 0xffff
127 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16
128 #define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000
130 #endif /* _ENA_REGS_H_ */