/* 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
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,
};
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,
};
enum ena_admin_get_stats_scope {
ENA_ADMIN_SPECIFIC_QUEUE = 0,
ENA_ADMIN_ETH_TRAFFIC = 1,
};
struct ena_admin_aq_common_desc {
/* 11:0 : command_id
* 15:12 : reserved12
*/
u16 command_id;
/* as appears in ena_admin_aq_opcode */
u8 opcode;
/* 0 : phase
* 1 : ctrl_data - control buffer address valid
* 2 : ctrl_data_indirect - control buffer address
* points to list of pages with addresses of control
* buffers
* 7:3 : reserved3
*/
u8 flags;
};
/* used in ena_admin_aq_entry. Can point directly to control data, or to a
* page list chunk. Used also at the end of indirect mode page list chunks,
* for chaining.
*/
struct ena_admin_ctrl_buff_info {
u32 length;
struct ena_common_mem_addr address;
};
struct ena_admin_sq {
u16 sq_idx;
/* 4:0 : reserved
* 7:5 : sq_direction - 0x1 - Tx; 0x2 - Rx
*/
u8 sq_identity;
u8 reserved1;
};
struct ena_admin_aq_entry {
struct ena_admin_aq_common_desc aq_common_descriptor;
union {
u32 inline_data_w1[3];
struct ena_admin_ctrl_buff_info control_buffer;
} u;
u32 inline_data_w4[12];
};
struct ena_admin_acq_common_desc {
/* command identifier to associate it with the aq descriptor
* 11:0 : command_id
* 15:12 : reserved12
*/
u16 command;
u8 status;
/* 0 : phase
* 7:1 : reserved1
*/
u8 flags;
u16 extended_status;
/* indicates to the driver which AQ entry has been consumed by the
* device and could be reused
*/
u16 sq_head_indx;
};
struct ena_admin_acq_entry {
struct ena_admin_acq_common_desc acq_common_descriptor;
u32 response_specific_data[14];
};
struct ena_admin_aq_create_sq_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
/* 4:0 : reserved0_w1
* 7:5 : sq_direction - 0x1 - Tx, 0x2 - Rx
*/
u8 sq_identity;
u8 reserved8_w1;
/* 3:0 : placement_policy - Describing where the SQ
* descriptor ring and the SQ packet headers reside:
* 0x1 - descriptors and headers are in OS memory,
* 0x3 - descriptors and headers in device memory
* (a.k.a Low Latency Queue)
* 6:4 : completion_policy - Describing what policy
* to use for generation completion entry (cqe) in
* the CQ associated with this SQ: 0x0 - cqe for each
* sq descriptor, 0x1 - cqe upon request in sq
* descriptor, 0x2 - current queue head pointer is
* updated in OS memory upon sq descriptor request
* 0x3 - current queue head pointer is updated in OS
* memory for each sq descriptor
* 7 : reserved15_w1
*/
u8 sq_caps_2;
/* 0 : is_physically_contiguous - Described if the
* queue ring memory is allocated in physical
* contiguous pages or split.
* 7:1 : reserved17_w1
*/
u8 sq_caps_3;
/* associated completion queue id. This CQ must be created prior to SQ
* creation
*/
u16 cq_idx;
/* submission queue depth in entries */
u16 sq_depth;
/* SQ physical base address in OS memory. This field should not be
* used for Low Latency queues. Has to be page aligned.
*/
struct ena_common_mem_addr sq_ba;
/* specifies queue head writeback location in OS memory. Valid if
* completion_policy is set to completion_policy_head_on_demand or
* completion_policy_head. Has to be cache aligned
*/
struct ena_common_mem_addr sq_head_writeback;
u32 reserved0_w7;
u32 reserved0_w8;
};
enum ena_admin_sq_direction {
ENA_ADMIN_SQ_DIRECTION_TX = 1,
ENA_ADMIN_SQ_DIRECTION_RX = 2,
};
struct ena_admin_acq_create_sq_resp_desc {
struct ena_admin_acq_common_desc acq_common_desc;
u16 sq_idx;
u16 reserved;
/* queue doorbell address as an offset to PCIe MMIO REG BAR */
u32 sq_doorbell_offset;
/* low latency queue ring base address as an offset to PCIe MMIO
* LLQ_MEM BAR
*/
u32 llq_descriptors_offset;
/* low latency queue headers' memory as an offset to PCIe MMIO
* LLQ_MEM BAR
*/
u32 llq_headers_offset;
};
struct ena_admin_aq_destroy_sq_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
struct ena_admin_sq sq;
};
struct ena_admin_acq_destroy_sq_resp_desc {
struct ena_admin_acq_common_desc acq_common_desc;
};
struct ena_admin_aq_create_cq_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
/* 4:0 : reserved5
* 5 : interrupt_mode_enabled - if set, cq operates
* in interrupt mode, otherwise - polling
* 7:6 : reserved6
*/
u8 cq_caps_1;
/* 4:0 : cq_entry_size_words - size of CQ entry in
* 32-bit words, valid values: 4, 8.
* 7:5 : reserved7
*/
u8 cq_caps_2;
/* completion queue depth in # of entries. must be power of 2 */
u16 cq_depth;
/* msix vector assigned to this cq */
u32 msix_vector;
/* cq physical base address in OS memory. CQ must be physically
* contiguous
*/
struct ena_common_mem_addr cq_ba;
};
struct ena_admin_acq_create_cq_resp_desc {
struct ena_admin_acq_common_desc acq_common_desc;
u16 cq_idx;
/* actual cq depth in number of entries */
u16 cq_actual_depth;
u32 numa_node_register_offset;
u32 cq_head_db_register_offset;
u32 cq_interrupt_unmask_register_offset;
};
struct ena_admin_aq_destroy_cq_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
u16 cq_idx;
u16 reserved1;
};
struct ena_admin_acq_destroy_cq_resp_desc {
struct ena_admin_acq_common_desc acq_common_desc;
};
/* ENA AQ Get Statistics command. Extended statistics are placed in control
* buffer pointed by AQ entry
*/
struct ena_admin_aq_get_stats_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
union {
/* command specific inline data */
u32 inline_data_w1[3];
struct ena_admin_ctrl_buff_info control_buffer;
} u;
/* stats type as defined in enum ena_admin_get_stats_type */
u8 type;
/* stats scope defined in enum ena_admin_get_stats_scope */
u8 scope;
u16 reserved3;
/* queue id. used when scope is specific_queue */
u16 queue_idx;
/* device id, value 0xFFFF means mine. only privileged device can get
* stats of other device
*/
u16 device_id;
};
/* Basic Statistics Command. */
struct ena_admin_basic_stats {
u32 tx_bytes_low;
u32 tx_bytes_high;
u32 tx_pkts_low;
u32 tx_pkts_high;
u32 rx_bytes_low;
u32 rx_bytes_high;
u32 rx_pkts_low;
u32 rx_pkts_high;
u32 rx_drops_low;
u32 rx_drops_high;
u32 tx_drops_low;
u32 tx_drops_high;
};
/* ENI Statistics Command. */
struct ena_admin_eni_stats {
/* The number of packets shaped due to inbound aggregate BW
* allowance being exceeded
*/
u64 bw_in_allowance_exceeded;
/* The number of packets shaped due to outbound aggregate BW
* allowance being exceeded
*/
u64 bw_out_allowance_exceeded;
/* The number of packets shaped due to PPS allowance being exceeded */
u64 pps_allowance_exceeded;
/* The number of packets shaped due to connection tracking
* allowance being exceeded and leading to failure in establishment
* of new connections
*/
u64 conntrack_allowance_exceeded;
/* The number of packets shaped due to linklocal packet rate
* allowance being exceeded
*/
u64 linklocal_allowance_exceeded;
};
struct ena_admin_acq_get_stats_resp {
struct ena_admin_acq_common_desc acq_common_desc;
union {
u64 raw[7];
struct ena_admin_basic_stats basic_stats;
struct ena_admin_eni_stats eni_stats;
} u;
};
struct ena_admin_get_set_feature_common_desc {
/* 1:0 : select - 0x1 - current value; 0x3 - default
* value
* 7:3 : reserved3
*/
u8 flags;
/* as appears in ena_admin_aq_feature_id */
u8 feature_id;
/* The driver specifies the max feature version it supports and the
* device responds with the currently supported feature version. The
* field is zero based
*/
u8 feature_version;
u8 reserved8;
};
struct ena_admin_device_attr_feature_desc {
u32 impl_id;
u32 device_version;
/* bitmap of ena_admin_aq_feature_id, which represents supported
* subcommands for the set/get feature admin commands.
*/
u32 supported_features;
/* bitmap of ena_admin_aq_caps_id, which represents device
* capabilities.
*/
u32 capabilities;
/* Indicates how many bits are used physical address access. */
u32 phys_addr_width;
/* Indicates how many bits are used virtual address access. */
u32 virt_addr_width;
/* unicast MAC address (in Network byte order) */
u8 mac_addr[6];
u8 reserved7[2];
u32 max_mtu;
};
enum ena_admin_llq_header_location {
/* header is in descriptor list */
ENA_ADMIN_INLINE_HEADER = 1,
/* header in a separate ring, implies 16B descriptor list entry */
ENA_ADMIN_HEADER_RING = 2,
};
enum ena_admin_llq_ring_entry_size {
ENA_ADMIN_LIST_ENTRY_SIZE_128B = 1,
ENA_ADMIN_LIST_ENTRY_SIZE_192B = 2,
ENA_ADMIN_LIST_ENTRY_SIZE_256B = 4,
};
enum ena_admin_llq_num_descs_before_header {
ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_0 = 0,
ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_1 = 1,
ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2 = 2,
ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_4 = 4,
ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8 = 8,
};
/* packet descriptor list entry always starts with one or more descriptors,
* followed by a header. The rest of the descriptors are located in the
* beginning of the subsequent entry. Stride refers to how the rest of the
* descriptors are placed. This field is relevant only for inline header
* mode
*/
enum ena_admin_llq_stride_ctrl {
ENA_ADMIN_SINGLE_DESC_PER_ENTRY = 1,
ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY = 2,
};
enum ena_admin_accel_mode_feat {
ENA_ADMIN_DISABLE_META_CACHING = 0,
ENA_ADMIN_LIMIT_TX_BURST = 1,
};
struct ena_admin_accel_mode_get {
/* bit field of enum ena_admin_accel_mode_feat */
u16 supported_flags;
/* maximum burst size between two doorbells. The size is in bytes */
u16 max_tx_burst_size;
};
struct ena_admin_accel_mode_set {
/* bit field of enum ena_admin_accel_mode_feat */
u16 enabled_flags;
u16 reserved;
};
struct ena_admin_accel_mode_req {
union {
u32 raw[2];
struct ena_admin_accel_mode_get get;
struct ena_admin_accel_mode_set set;
} u;
};
struct ena_admin_feature_llq_desc {
u32 max_llq_num;
u32 max_llq_depth;
/* specify the header locations the device supports. bitfield of enum
* ena_admin_llq_header_location.
*/
u16 header_location_ctrl_supported;
/* the header location the driver selected to use. */
u16 header_location_ctrl_enabled;
/* if inline header is specified - this is the size of descriptor list
* entry. If header in a separate ring is specified - this is the size
* of header ring entry. bitfield of enum ena_admin_llq_ring_entry_size.
* specify the entry sizes the device supports
*/
u16 entry_size_ctrl_supported;
/* the entry size the driver selected to use. */
u16 entry_size_ctrl_enabled;
/* valid only if inline header is specified. First entry associated with
* the packet includes descriptors and header. Rest of the entries
* occupied by descriptors. This parameter defines the max number of
* descriptors precedding the header in the first entry. The field is
* bitfield of enum ena_admin_llq_num_descs_before_header and specify
* the values the device supports
*/
u16 desc_num_before_header_supported;
/* the desire field the driver selected to use */
u16 desc_num_before_header_enabled;
/* valid only if inline was chosen. bitfield of enum
* ena_admin_llq_stride_ctrl
*/
u16 descriptors_stride_ctrl_supported;
/* the stride control the driver selected to use */
u16 descriptors_stride_ctrl_enabled;
/* reserved */
u32 reserved1;
/* accelerated low latency queues requirement. driver needs to
* support those requirements in order to use accelerated llq
*/
struct ena_admin_accel_mode_req accel_mode;
};
struct ena_admin_queue_ext_feature_fields {
u32 max_tx_sq_num;
u32 max_tx_cq_num;
u32 max_rx_sq_num;
u32 max_rx_cq_num;
u32 max_tx_sq_depth;
u32 max_tx_cq_depth;
u32 max_rx_sq_depth;
u32 max_rx_cq_depth;
u32 max_tx_header_size;
/* Maximum Descriptors number, including meta descriptor, allowed for a
* single Tx packet
*/
u16 max_per_packet_tx_descs;
/* Maximum Descriptors number allowed for a single Rx packet */
u16 max_per_packet_rx_descs;
};
struct ena_admin_queue_feature_desc {
u32 max_sq_num;
u32 max_sq_depth;
u32 max_cq_num;
u32 max_cq_depth;
u32 max_legacy_llq_num;
u32 max_legacy_llq_depth;
u32 max_header_size;
/* Maximum Descriptors number, including meta descriptor, allowed for a
* single Tx packet
*/
u16 max_packet_tx_descs;
/* Maximum Descriptors number allowed for a single Rx packet */
u16 max_packet_rx_descs;
};
struct ena_admin_set_feature_mtu_desc {
/* exclude L2 */
u32 mtu;
};
struct ena_admin_set_feature_host_attr_desc {
/* host OS info base address in OS memory. host info is 4KB of
* physically contiguous
*/
struct ena_common_mem_addr os_info_ba;
/* host debug area base address in OS memory. debug area must be
* physically contiguous
*/
struct ena_common_mem_addr debug_ba;
/* debug area size */
u32 debug_area_size;
};
struct ena_admin_feature_intr_moder_desc {
/* interrupt delay granularity in usec */
u16 intr_delay_resolution;
u16 reserved;
};
struct ena_admin_get_feature_link_desc {
/* Link speed in Mb */
u32 speed;
/* bit field of enum ena_admin_link types */
u32 supported;
/* 0 : autoneg
* 1 : duplex - Full Duplex
* 31:2 : reserved2
*/
u32 flags;
};
struct ena_admin_feature_aenq_desc {
/* bitmask for AENQ groups the device can report */
u32 supported_groups;
/* bitmask for AENQ groups to report */
u32 enabled_groups;
};
struct ena_admin_feature_offload_desc {
/* 0 : TX_L3_csum_ipv4
* 1 : TX_L4_ipv4_csum_part - The checksum field
* should be initialized with pseudo header checksum
* 2 : TX_L4_ipv4_csum_full
* 3 : TX_L4_ipv6_csum_part - The checksum field
* should be initialized with pseudo header checksum
* 4 : TX_L4_ipv6_csum_full
* 5 : tso_ipv4
* 6 : tso_ipv6
* 7 : tso_ecn
*/
u32 tx;
/* Receive side supported stateless offload
* 0 : RX_L3_csum_ipv4 - IPv4 checksum
* 1 : RX_L4_ipv4_csum - TCP/UDP/IPv4 checksum
* 2 : RX_L4_ipv6_csum - TCP/UDP/IPv6 checksum
* 3 : RX_hash - Hash calculation
*/
u32 rx_supported;
u32 rx_enabled;
};
enum ena_admin_hash_functions {
ENA_ADMIN_TOEPLITZ = 1,
ENA_ADMIN_CRC32 = 2,
};
struct ena_admin_feature_rss_flow_hash_control {
u32 key_parts;
u32 reserved;
u32 key[ENA_ADMIN_RSS_KEY_PARTS];
};
struct ena_admin_feature_rss_flow_hash_function {
/* 7:0 : funcs - bitmask of ena_admin_hash_functions */
u32 supported_func;
/* 7:0 : selected_func - bitmask of
* ena_admin_hash_functions
*/
u32 selected_func;
/* initial value */
u32 init_val;
};
/* RSS flow hash protocols */
enum ena_admin_flow_hash_proto {
ENA_ADMIN_RSS_TCP4 = 0,
ENA_ADMIN_RSS_UDP4 = 1,
ENA_ADMIN_RSS_TCP6 = 2,
ENA_ADMIN_RSS_UDP6 = 3,
ENA_ADMIN_RSS_IP4 = 4,
ENA_ADMIN_RSS_IP6 = 5,
ENA_ADMIN_RSS_IP4_FRAG = 6,
ENA_ADMIN_RSS_NOT_IP = 7,
/* TCPv6 with extension header */
ENA_ADMIN_RSS_TCP6_EX = 8,
/* IPv6 with extension header */
ENA_ADMIN_RSS_IP6_EX = 9,
ENA_ADMIN_RSS_PROTO_NUM = 16,
};
/* RSS flow hash fields */
enum ena_admin_flow_hash_fields {
/* Ethernet Dest Addr */
ENA_ADMIN_RSS_L2_DA = BIT(0),
/* Ethernet Src Addr */
ENA_ADMIN_RSS_L2_SA = BIT(1),
/* ipv4/6 Dest Addr */
ENA_ADMIN_RSS_L3_DA = BIT(2),
/* ipv4/6 Src Addr */
ENA_ADMIN_RSS_L3_SA = BIT(3),
/* tcp/udp Dest Port */
ENA_ADMIN_RSS_L4_DP = BIT(4),
/* tcp/udp Src Port */
ENA_ADMIN_RSS_L4_SP = BIT(5),
};
struct ena_admin_proto_input {
/* flow hash fields (bitwise according to ena_admin_flow_hash_fields) */
u16 fields;
u16 reserved2;
};
struct ena_admin_feature_rss_hash_control {
struct ena_admin_proto_input supported_fields[ENA_ADMIN_RSS_PROTO_NUM];
struct ena_admin_proto_input selected_fields[ENA_ADMIN_RSS_PROTO_NUM];
struct ena_admin_proto_input reserved2[ENA_ADMIN_RSS_PROTO_NUM];
struct ena_admin_proto_input reserved3[ENA_ADMIN_RSS_PROTO_NUM];
};
struct ena_admin_feature_rss_flow_hash_input {
/* supported hash input sorting
* 1 : L3_sort - support swap L3 addresses if DA is
* smaller than SA
* 2 : L4_sort - support swap L4 ports if DP smaller
* SP
*/
u16 supported_input_sort;
/* enabled hash input sorting
* 1 : enable_L3_sort - enable swap L3 addresses if
* DA smaller than SA
* 2 : enable_L4_sort - enable swap L4 ports if DP
* smaller than SP
*/
u16 enabled_input_sort;
};
enum ena_admin_os_type {
ENA_ADMIN_OS_LINUX = 1,
ENA_ADMIN_OS_WIN = 2,
ENA_ADMIN_OS_DPDK = 3,
ENA_ADMIN_OS_FREEBSD = 4,
ENA_ADMIN_OS_IPXE = 5,
ENA_ADMIN_OS_ESXI = 6,
ENA_ADMIN_OS_GROUPS_NUM = 6,
};
struct ena_admin_host_info {
/* defined in enum ena_admin_os_type */
u32 os_type;
/* os distribution string format */
u8 os_dist_str[128];
/* OS distribution numeric format */
u32 os_dist;
/* kernel version string format */
u8 kernel_ver_str[32];
/* Kernel version numeric format */
u32 kernel_ver;
/* 7:0 : major
* 15:8 : minor
* 23:16 : sub_minor
* 31:24 : module_type
*/
u32 driver_version;
/* features bitmap */
u32 supported_network_features[2];
/* ENA spec version of driver */
u16 ena_spec_version;
/* ENA device's Bus, Device and Function
* 2:0 : function
* 7:3 : device
* 15:8 : bus
*/
u16 bdf;
/* Number of CPUs */
u16 num_cpus;
u16 reserved;
/* 0 : reserved
* 1 : rx_offset
* 2 : interrupt_moderation
* 3 : rx_buf_mirroring
* 4 : rss_configurable_function_key
* 5 : reserved
* 6 : rx_page_reuse
* 31:7 : reserved
*/
u32 driver_supported_features;
};
struct ena_admin_rss_ind_table_entry {
u16 cq_idx;
u16 reserved;
};
struct ena_admin_feature_rss_ind_table {
/* min supported table size (2^min_size) */
u16 min_size;
/* max supported table size (2^max_size) */
u16 max_size;
/* table size (2^size) */
u16 size;
u16 reserved;
/* index of the inline entry. 0xFFFFFFFF means invalid */
u32 inline_index;
/* used for updating single entry, ignored when setting the entire
* table through the control buffer.
*/
struct ena_admin_rss_ind_table_entry inline_entry;
};
/* When hint value is 0, driver should use it's own predefined value */
struct ena_admin_ena_hw_hints {
/* value in ms */
u16 mmio_read_timeout;
/* value in ms */
u16 driver_watchdog_timeout;
/* Per packet tx completion timeout. value in ms */
u16 missing_tx_completion_timeout;
u16 missed_tx_completion_count_threshold_to_reset;
/* value in ms */
u16 admin_completion_tx_timeout;
u16 netdev_wd_timeout;
u16 max_tx_sgl_size;
u16 max_rx_sgl_size;
u16 reserved[8];
};
struct ena_admin_get_feat_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
struct ena_admin_ctrl_buff_info control_buffer;
struct ena_admin_get_set_feature_common_desc feat_common;
u32 raw[11];
};
struct ena_admin_queue_ext_feature_desc {
/* version */
u8 version;
u8 reserved1[3];
union {
struct ena_admin_queue_ext_feature_fields max_queue_ext;
u32 raw[10];
};
};
struct ena_admin_get_feat_resp {
struct ena_admin_acq_common_desc acq_common_desc;
union {
u32 raw[14];
struct ena_admin_device_attr_feature_desc dev_attr;
struct ena_admin_feature_llq_desc llq;
struct ena_admin_queue_feature_desc max_queue;
struct ena_admin_queue_ext_feature_desc max_queue_ext;
struct ena_admin_feature_aenq_desc aenq;
struct ena_admin_get_feature_link_desc link;
struct ena_admin_feature_offload_desc offload;
struct ena_admin_feature_rss_flow_hash_function flow_hash_func;
struct ena_admin_feature_rss_flow_hash_input flow_hash_input;
struct ena_admin_feature_rss_ind_table ind_table;
struct ena_admin_feature_intr_moder_desc intr_moderation;
struct ena_admin_ena_hw_hints hw_hints;
} u;
};
struct ena_admin_set_feat_cmd {
struct ena_admin_aq_common_desc aq_common_descriptor;
struct ena_admin_ctrl_buff_info control_buffer;
struct ena_admin_get_set_feature_common_desc feat_common;
union {
u32 raw[11];
/* mtu size */
struct ena_admin_set_feature_mtu_desc mtu;
/* host attributes */
struct ena_admin_set_feature_host_attr_desc host_attr;
/* AENQ configuration */
struct ena_admin_feature_aenq_desc aenq;
/* rss flow hash function */
struct ena_admin_feature_rss_flow_hash_function flow_hash_func;
/* rss flow hash input */
struct ena_admin_feature_rss_flow_hash_input flow_hash_input;
/* rss indirection table */
struct ena_admin_feature_rss_ind_table ind_table;
/* LLQ configuration */
struct ena_admin_feature_llq_desc llq;
} u;
};
struct ena_admin_set_feat_resp {
struct ena_admin_acq_common_desc acq_common_desc;
union {
u32 raw[14];
} u;
};
struct ena_admin_aenq_common_desc {
u16 group;
u16 syndrome;
/* 0 : phase
* 7:1 : reserved - MBZ
*/
u8 flags;
u8 reserved1[3];
u32 timestamp_low;
u32 timestamp_high;
};
/* asynchronous event notification groups */
enum ena_admin_aenq_group {
ENA_ADMIN_LINK_CHANGE = 0,
ENA_ADMIN_FATAL_ERROR = 1,
ENA_ADMIN_WARNING = 2,
ENA_ADMIN_NOTIFICATION = 3,
ENA_ADMIN_KEEP_ALIVE = 4,
ENA_ADMIN_AENQ_GROUPS_NUM = 5,
};
enum ena_admin_aenq_notification_syndrome {
ENA_ADMIN_UPDATE_HINTS = 2,
};
struct ena_admin_aenq_entry {
struct ena_admin_aenq_common_desc aenq_common_desc;
/* command specific inline data */
u32 inline_data_w4[12];
};
struct ena_admin_aenq_link_change_desc {
struct ena_admin_aenq_common_desc aenq_common_desc;
/* 0 : link_status */
u32 flags;
};
struct ena_admin_aenq_keep_alive_desc {
struct ena_admin_aenq_common_desc aenq_common_desc;
u32 rx_drops_low;
u32 rx_drops_high;
u32 tx_drops_low;
u32 tx_drops_high;
};
struct ena_admin_ena_mmio_req_read_less_resp {
u16 req_id;
u16 reg_off;
/* value is valid when poll is cleared */
u32 reg_val;
};
/* aq_common_desc */
#define ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)
#define ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0)
#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT 1
#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1)
#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT 2
#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2)
/* sq */
#define ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT 5
#define ENA_ADMIN_SQ_SQ_DIRECTION_MASK GENMASK(7, 5)
/* acq_common_desc */
#define ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)
#define ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0)
/* aq_create_sq_cmd */
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT 5
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK GENMASK(7, 5)
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK GENMASK(3, 0)
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT 4
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK GENMASK(6, 4)
#define ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK BIT(0)
/* aq_create_cq_cmd */
#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT 5
#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5)
#define ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK GENMASK(4, 0)
/* get_set_feature_common_desc */
#define ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK GENMASK(1, 0)
/* get_feature_link_desc */
#define ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK BIT(0)
#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT 1
#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK BIT(1)
/* feature_offload_desc */
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK BIT(0)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT 1
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK BIT(1)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT 2
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK BIT(2)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT 3
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK BIT(3)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT 4
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK BIT(4)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT 5
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK BIT(5)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT 6
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK BIT(6)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT 7
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK BIT(7)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK BIT(0)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT 1
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK BIT(1)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT 2
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK BIT(2)
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT 3
#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK BIT(3)
/* feature_rss_flow_hash_function */
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK GENMASK(7, 0)
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK GENMASK(7, 0)
/* feature_rss_flow_hash_input */
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT 1
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK BIT(1)
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT 2
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK BIT(2)
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT 1
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK BIT(1)
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT 2
#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK BIT(2)
/* host_info */
#define ENA_ADMIN_HOST_INFO_MAJOR_MASK GENMASK(7, 0)
#define ENA_ADMIN_HOST_INFO_MINOR_SHIFT 8
#define ENA_ADMIN_HOST_INFO_MINOR_MASK GENMASK(15, 8)
#define ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT 16
#define ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK GENMASK(23, 16)
#define ENA_ADMIN_HOST_INFO_MODULE_TYPE_SHIFT 24
#define ENA_ADMIN_HOST_INFO_MODULE_TYPE_MASK GENMASK(31, 24)
#define ENA_ADMIN_HOST_INFO_FUNCTION_MASK GENMASK(2, 0)
#define ENA_ADMIN_HOST_INFO_DEVICE_SHIFT 3
#define ENA_ADMIN_HOST_INFO_DEVICE_MASK GENMASK(7, 3)
#define ENA_ADMIN_HOST_INFO_BUS_SHIFT 8
#define ENA_ADMIN_HOST_INFO_BUS_MASK GENMASK(15, 8)
#define ENA_ADMIN_HOST_INFO_RX_OFFSET_SHIFT 1
#define ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK BIT(1)
#define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_SHIFT 2
#define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK BIT(2)
#define ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_SHIFT 3
#define ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_MASK BIT(3)
#define ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_SHIFT 4
#define ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_MASK BIT(4)
#define ENA_ADMIN_HOST_INFO_RX_PAGE_REUSE_SHIFT 6
#define ENA_ADMIN_HOST_INFO_RX_PAGE_REUSE_MASK BIT(6)
/* aenq_common_desc */
#define ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0)
/* aenq_link_change_desc */
#define ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK BIT(0)
#endif /* _ENA_ADMIN_H_ */
