cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/amazon/ena/ena_regs_defs.h

/*
 * Copyright 2015 - 2016 Amazon.com, Inc. or its affiliates.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * BSD license below:
 *
 *     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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef _ENA_REGS_H_

#define _ENA_REGS_H_

/* 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

/* 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

/* 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_ */

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