path: root/drivers/net/ethernet/amazon/ena/ena_admin_defs.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
 * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
 */
#ifndef _ENA_ADMIN_H_
#define _ENA_ADMIN_H_

#define ENA_ADMIN_RSS_KEY_PARTS              10

#define ENA_ADMIN_CUSTOMER_METRICS_SUPPORT_MASK 0x3F
#define ENA_ADMIN_CUSTOMER_METRICS_MIN_SUPPORT_MASK 0x1F

 /* customer metrics - in correlation with
  * ENA_ADMIN_CUSTOMER_METRICS_SUPPORT_MASK
  */
enum ena_admin_customer_metrics_id {
	ENA_ADMIN_BW_IN_ALLOWANCE_EXCEEDED         = 0,
	ENA_ADMIN_BW_OUT_ALLOWANCE_EXCEEDED        = 1,
	ENA_ADMIN_PPS_ALLOWANCE_EXCEEDED           = 2,
	ENA_ADMIN_CONNTRACK_ALLOWANCE_EXCEEDED     = 3,
	ENA_ADMIN_LINKLOCAL_ALLOWANCE_EXCEEDED     = 4,
	ENA_ADMIN_CONNTRACK_ALLOWANCE_AVAILABLE    = 5,
};

enum ena_admin_aq_opcode {
	ENA_ADMIN_CREATE_SQ                         = 1,
	ENA_ADMIN_DESTROY_SQ                        = 2,
	ENA_ADMIN_CREATE_CQ                         = 3,
	ENA_ADMIN_DESTROY_CQ                        = 4,
	ENA_ADMIN_GET_FEATURE                       = 8,
	ENA_ADMIN_SET_FEATURE                       = 9,
	ENA_ADMIN_GET_STATS                         = 11,
};

enum ena_admin_aq_completion_status {
	ENA_ADMIN_SUCCESS                           = 0,
	ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE       = 1,
	ENA_ADMIN_BAD_OPCODE                        = 2,
	ENA_ADMIN_UNSUPPORTED_OPCODE                = 3,
	ENA_ADMIN_MALFORMED_REQUEST                 = 4,
	/* Additional status is provided in ACQ entry extended_status */
	ENA_ADMIN_ILLEGAL_PARAMETER                 = 5,
	ENA_ADMIN_UNKNOWN_ERROR                     = 6,
	ENA_ADMIN_RESOURCE_BUSY                     = 7,
};

/* subcommands for the set/get feature admin commands */
enum ena_admin_aq_feature_id {
	ENA_ADMIN_DEVICE_ATTRIBUTES                 = 1,
	ENA_ADMIN_MAX_QUEUES_NUM                    = 2,
	ENA_ADMIN_HW_HINTS                          = 3,
	ENA_ADMIN_LLQ                               = 4,
	ENA_ADMIN_MAX_QUEUES_EXT                    = 7,
	ENA_ADMIN_RSS_HASH_FUNCTION                 = 10,
	ENA_ADMIN_STATELESS_OFFLOAD_CONFIG          = 11,
	ENA_ADMIN_RSS_INDIRECTION_TABLE_CONFIG      = 12,
	ENA_ADMIN_MTU                               = 14,
	ENA_ADMIN_RSS_HASH_INPUT                    = 18,
	ENA_ADMIN_INTERRUPT_MODERATION              = 20,
	ENA_ADMIN_AENQ_CONFIG                       = 26,
	ENA_ADMIN_LINK_CONFIG                       = 27,
	ENA_ADMIN_HOST_ATTR_CONFIG                  = 28,
	ENA_ADMIN_FEATURES_OPCODE_NUM               = 32,
};

/* device capabilities */
enum ena_admin_aq_caps_id {
	ENA_ADMIN_ENI_STATS                         = 0,
	/* ENA SRD customer metrics */
	ENA_ADMIN_ENA_SRD_INFO                      = 1,
	ENA_ADMIN_CUSTOMER_METRICS                  = 2,
};

enum ena_admin_placement_policy_type {
	/* descriptors and headers are in host memory */
	ENA_ADMIN_PLACEMENT_POLICY_HOST             = 1,
	/* descriptors and headers are in device memory (a.k.a Low Latency
	 * Queue)
	 */
	ENA_ADMIN_PLACEMENT_POLICY_DEV              = 3,
};

enum ena_admin_link_types {
	ENA_ADMIN_LINK_SPEED_1G                     = 0x1,
	ENA_ADMIN_LINK_SPEED_2_HALF_G               = 0x2,
	ENA_ADMIN_LINK_SPEED_5G                     = 0x4,
	ENA_ADMIN_LINK_SPEED_10G                    = 0x8,
	ENA_ADMIN_LINK_SPEED_25G                    = 0x10,
	ENA_ADMIN_LINK_SPEED_40G                    = 0x20,
	ENA_ADMIN_LINK_SPEED_50G                    = 0x40,
	ENA_ADMIN_LINK_SPEED_100G                   = 0x80,
	ENA_ADMIN_LINK_SPEED_200G                   = 0x100,
	ENA_ADMIN_LINK_SPEED_400G                   = 0x200,
};

enum ena_admin_completion_policy_type {
	/* completion queue entry for each sq descriptor */
	ENA_ADMIN_COMPLETION_POLICY_DESC            = 0,
	/* completion queue entry upon request in sq descriptor */
	ENA_ADMIN_COMPLETION_POLICY_DESC_ON_DEMAND  = 1,
	/* current queue head pointer is updated in OS memory upon sq
	 * descriptor request
	 */
	ENA_ADMIN_COMPLETION_POLICY_HEAD_ON_DEMAND  = 2,
	/* current queue head pointer is updated in OS memory for each sq
	 * descriptor
	 */
	ENA_ADMIN_COMPLETION_POLICY_HEAD            = 3,
};

/* basic stats return ena_admin_basic_stats while extanded stats return a
 * buffer (string format) with additional statistics per queue and per
 * device id
 */
enum ena_admin_get_stats_type {
	ENA_ADMIN_GET_STATS_TYPE_BASIC              = 0,
	ENA_ADMIN_GET_STATS_TYPE_EXTENDED           = 1,
	/* extra HW stats for specific network interface */
	ENA_ADMIN_GET_STATS_TYPE_ENI                = 2,
	/* extra HW stats for ENA SRD */
	ENA_ADMIN_GET_STATS_TYPE_ENA_SRD            = 3,
	ENA_ADMIN_GET_STATS_TYPE_CUSTOMER_METRICS   = 4,
};

enum ena_admin_get_stats_scope {
	ENA_ADMIN_SPECIFIC_QUEUE                    = 0,
	ENA_ADMIN_ETH_TRAFFIC                       = 1,
};

/* ENA SRD configuration for ENI */
enum ena_admin_ena_srd_flags {
	/* Feature enabled */
	ENA_ADMIN_ENA_SRD_ENABLED                   = BIT(0),
	/* UDP support enabled */