/*-
* BSD LICENSE
*
* Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _ENA_REGS_H_
#define _ENA_REGS_H_

enum ena_regs_reset_reason_types {
	ENA_REGS_RESET_NORMAL			= 0,

	ENA_REGS_RESET_KEEP_ALIVE_TO		= 1,

	ENA_REGS_RESET_ADMIN_TO			= 2,

	ENA_REGS_RESET_MISS_TX_CMPL		= 3,

	ENA_REGS_RESET_INV_RX_REQ_ID		= 4,

	ENA_REGS_RESET_INV_TX_REQ_ID		= 5,

	ENA_REGS_RESET_TOO_MANY_RX_DESCS	= 6,

	ENA_REGS_RESET_INIT_ERR			= 7,

	ENA_REGS_RESET_DRIVER_INVALID_STATE	= 8,

	ENA_REGS_RESET_OS_TRIGGER		= 9,

	ENA_REGS_RESET_OS_NETDEV_WD		= 10,

	ENA_REGS_RESET_SHUTDOWN			= 11,

	ENA_REGS_RESET_USER_TRIGGER		= 12,

	ENA_REGS_RESET_GENERIC			= 13,

	ENA_REGS_RESET_MISS_INTERRUPT		= 14,
};

/* ena_registers offsets */
#define ENA_REGS_VERSION_OFF		0x0
#define ENA_REGS_CONTROLLER_VERSION_OFF		0x4
#define ENA_REGS_CAPS_OFF		0x8
#define ENA_REGS_CAPS_EXT_OFF		0xc
#define ENA_REGS_AQ_BASE_LO_OFF		0x10
#define ENA_REGS_AQ_BASE_HI_OFF		0x14
#define ENA_REGS_AQ_CAPS_OFF		0x18
#define ENA_REGS_ACQ_BASE_LO_OFF		0x20
#define ENA_REGS_ACQ_BASE_HI_OFF		0x24
#define ENA_REGS_ACQ_CAPS_OFF		0x28
#define ENA_REGS_AQ_DB_OFF		0x2c
#define ENA_REGS_ACQ_TAIL_OFF		0x30
#define ENA_REGS_AENQ_CAPS_OFF		0x34
#define ENA_REGS_AENQ_BASE_LO_OFF		0x38
#define ENA_REGS_AENQ_BASE_HI_OFF		0x3c
#define ENA_REGS_AENQ_HEAD_DB_OFF		0x40
#define ENA_REGS_AENQ_TAIL_OFF		0x44
#define ENA_REGS_INTR_MASK_OFF		0x4c
#define ENA_REGS_DEV_CTL_OFF		0x54
#define ENA_REGS_DEV_STS_OFF		0x58
#define ENA_REGS_MMIO_REG_READ_OFF		0x5c
#define ENA_REGS_MMIO_RESP_LO_OFF		0x60
#define ENA_REGS_MMIO_RESP_HI_OFF		0x64
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF		0x68

/* version register */
#define ENA_REGS_VERSION_MINOR_VERSION_MASK		0xff
#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT		8
#define ENA_REGS_VERSION_MAJOR_VERSION_MASK		0xff00

/* controller_version register */
#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK		0xff
#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT		8
#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK		0xff00
#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT		16
#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK		0xff0000
#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT		24
#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK		0xff000000

/* caps register */
#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK		0x1
#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT		1
#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK		0x3e
#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT		8
#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK		0xff00
#define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT		16
#define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK		0xf0000

/* aq_caps register */
#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK		0xffff
#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT		16
#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK		0xffff0000

/* acq_caps register */
#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK		0xffff
#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT		16
#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK		0xffff0000

/* aenq_caps register */
#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK		0xffff
#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT		16
#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK		0xffff0000

/* dev_ctl register */
#define ENA_REGS_DEV_CTL_DEV_RESET_MASK		0x1
#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT		1
#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK		0x2
#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT		2
#define ENA_REGS_DEV_CTL_QUIESCENT_MASK		0x4
#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT		3
#define ENA_REGS_DEV_CTL_IO_RESUME_MASK		0x8
#define ENA_REGS_DEV_CTL_RESET_REASON_SHIFT		28
#define ENA_REGS_DEV_CTL_RESET_REASON_MASK		0xf0000000

/* dev_sts register */
#define ENA_REGS_DEV_STS_READY_MASK		0x1
#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT		1
#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK		0x2
#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT		2
#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK		0x4
#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT		3
#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK		0x8
#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT		4
#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK		0x10
#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT		5
#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK		0x20
#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT		6
#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK		0x40
#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT		7
#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK		0x80

/* mmio_reg_read register */
#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK		0xffff
#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT		16
#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK		0xffff0000

/* rss_ind_entry_update register */
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK		0xffff
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT		16
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK		0xffff0000

#endif /*_ENA_REGS_H_ */
