]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - drivers/net/ethernet/amazon/ena/ena_regs_defs.h
net: ena: change return value for unsupported features unsupported return value
[mirror_ubuntu-zesty-kernel.git] / drivers / net / ethernet / amazon / ena / ena_regs_defs.h
CommitLineData
1738cd3e
NB
1/*
2 * Copyright 2015 - 2016 Amazon.com, Inc. or its affiliates.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32#ifndef _ENA_REGS_H_
33#define _ENA_REGS_H_
34
35/* ena_registers offsets */
36#define ENA_REGS_VERSION_OFF 0x0
37#define ENA_REGS_CONTROLLER_VERSION_OFF 0x4
38#define ENA_REGS_CAPS_OFF 0x8
39#define ENA_REGS_CAPS_EXT_OFF 0xc
40#define ENA_REGS_AQ_BASE_LO_OFF 0x10
41#define ENA_REGS_AQ_BASE_HI_OFF 0x14
42#define ENA_REGS_AQ_CAPS_OFF 0x18
43#define ENA_REGS_ACQ_BASE_LO_OFF 0x20
44#define ENA_REGS_ACQ_BASE_HI_OFF 0x24
45#define ENA_REGS_ACQ_CAPS_OFF 0x28
46#define ENA_REGS_AQ_DB_OFF 0x2c
47#define ENA_REGS_ACQ_TAIL_OFF 0x30
48#define ENA_REGS_AENQ_CAPS_OFF 0x34
49#define ENA_REGS_AENQ_BASE_LO_OFF 0x38
50#define ENA_REGS_AENQ_BASE_HI_OFF 0x3c
51#define ENA_REGS_AENQ_HEAD_DB_OFF 0x40
52#define ENA_REGS_AENQ_TAIL_OFF 0x44
53#define ENA_REGS_INTR_MASK_OFF 0x4c
54#define ENA_REGS_DEV_CTL_OFF 0x54
55#define ENA_REGS_DEV_STS_OFF 0x58
56#define ENA_REGS_MMIO_REG_READ_OFF 0x5c
57#define ENA_REGS_MMIO_RESP_LO_OFF 0x60
58#define ENA_REGS_MMIO_RESP_HI_OFF 0x64
59#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF 0x68
60
61/* version register */
62#define ENA_REGS_VERSION_MINOR_VERSION_MASK 0xff
63#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT 8
64#define ENA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00
65
66/* controller_version register */
67#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff
68#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8
69#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00
70#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16
71#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000
72#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24
73#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000
74
75/* caps register */
76#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1
77#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1
78#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e
79#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8
80#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00
81
82/* aq_caps register */
83#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff
84#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16
85#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000
86
87/* acq_caps register */
88#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff
89#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16
90#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xffff0000
91
92/* aenq_caps register */
93#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff
94#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16
95#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xffff0000
96
97/* dev_ctl register */
98#define ENA_REGS_DEV_CTL_DEV_RESET_MASK 0x1
99#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1
100#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2
101#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT 2
102#define ENA_REGS_DEV_CTL_QUIESCENT_MASK 0x4
103#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT 3
104#define ENA_REGS_DEV_CTL_IO_RESUME_MASK 0x8
105
106/* dev_sts register */
107#define ENA_REGS_DEV_STS_READY_MASK 0x1
108#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1
109#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2
110#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2
111#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4
112#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3
113#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8
114#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4
115#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10
116#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5
117#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20
118#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT 6
119#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK 0x40
120#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT 7
121#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK 0x80
122
123/* mmio_reg_read register */
124#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff
125#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16
126#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000
127
128/* rss_ind_entry_update register */
129#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK 0xffff
130#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16
131#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000
132
133#endif /*_ENA_REGS_H_ */