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[src/trunk]: src/sys/external/bsd/ena-com Introduce HAL for Amazon Elastic Ne...
details: https://anonhg.NetBSD.org/src/rev/0b2802bba833
branches: trunk
changeset: 322818:0b2802bba833
user: jdolecek <jdolecek%NetBSD.org@localhost>
date: Sat May 19 08:56:05 2018 +0000
description:
Introduce HAL for Amazon Elastic Network Adapter (ENA)
This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).
Version: 1.1.4.3
Obtained from: Amazon.com, Inc. via FreeBSD
diffstat:
sys/external/bsd/ena-com/ena_admin_defs.h | 1412 +++++++++
sys/external/bsd/ena-com/ena_com.c | 2980 +++++++++++++++++++
sys/external/bsd/ena-com/ena_com.h | 1120 +++++++
sys/external/bsd/ena-com/ena_common_defs.h | 50 +
sys/external/bsd/ena-com/ena_defs/ena_admin_defs.h | 1484 +++++++++
sys/external/bsd/ena-com/ena_defs/ena_common_defs.h | 49 +
sys/external/bsd/ena-com/ena_defs/ena_eth_io_defs.h | 959 ++++++
sys/external/bsd/ena-com/ena_defs/ena_gen_info.h | 34 +
sys/external/bsd/ena-com/ena_defs/ena_includes.h | 4 +
sys/external/bsd/ena-com/ena_defs/ena_regs_defs.h | 168 +
sys/external/bsd/ena-com/ena_eth_com.c | 624 +++
sys/external/bsd/ena-com/ena_eth_com.h | 186 +
sys/external/bsd/ena-com/ena_eth_io_defs.h | 960 ++++++
sys/external/bsd/ena-com/ena_plat.h | 377 ++
sys/external/bsd/ena-com/ena_regs_defs.h | 137 +
15 files changed, 10544 insertions(+), 0 deletions(-)
diffs (truncated from 10604 to 300 lines):
diff -r 03998bbbea4f -r 0b2802bba833 sys/external/bsd/ena-com/ena_admin_defs.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/ena-com/ena_admin_defs.h Sat May 19 08:56:05 2018 +0000
@@ -0,0 +1,1412 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2015-2017 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_ADMIN_H_
+#define _ENA_ADMIN_H_
+
+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,
+};
+
+enum ena_admin_aq_feature_id {
+ ENA_ADMIN_DEVICE_ATTRIBUTES = 1,
+
+ ENA_ADMIN_MAX_QUEUES_NUM = 2,
+
+ ENA_ADMIN_HW_HINTS = 3,
+
+ ENA_ADMIN_RSS_HASH_FUNCTION = 10,
+
+ ENA_ADMIN_STATELESS_OFFLOAD_CONFIG = 11,
+
+ ENA_ADMIN_RSS_REDIRECTION_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,
+};
+
+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,
+};
+
+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
+ */
+ uint16_t command_id;
+
+ /* as appears in ena_admin_aq_opcode */
+ uint8_t 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
+ */
+ uint8_t 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 {
+ uint32_t length;
+
+ struct ena_common_mem_addr address;
+};
+
+struct ena_admin_sq {
+ uint16_t sq_idx;
+
+ /* 4:0 : reserved
+ * 7:5 : sq_direction - 0x1 - Tx; 0x2 - Rx
+ */
+ uint8_t sq_identity;
+
+ uint8_t reserved1;
+};
+
+struct ena_admin_aq_entry {
+ struct ena_admin_aq_common_desc aq_common_descriptor;
+
+ union {
+ uint32_t inline_data_w1[3];
+
+ struct ena_admin_ctrl_buff_info control_buffer;
+ } u;
+
+ uint32_t 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
+ */
+ uint16_t command;
+
+ uint8_t status;
+
+ /* 0 : phase
+ * 7:1 : reserved1
+ */
+ uint8_t flags;
+
+ uint16_t extended_status;
+
+ /* serves as a hint what AQ entries can be revoked */
+ uint16_t sq_head_indx;
+};
+
+struct ena_admin_acq_entry {
+ struct ena_admin_acq_common_desc acq_common_descriptor;
+
+ uint32_t 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
+ */
+ uint8_t sq_identity;
+
+ uint8_t 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
+ */
+ uint8_t 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
+ */
+ uint8_t sq_caps_3;
+
+ /* associated completion queue id. This CQ must be created prior to
+ * SQ creation
+ */
+ uint16_t cq_idx;
+
+ /* submission queue depth in entries */
+ uint16_t 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;
+
+ uint32_t reserved0_w7;
+
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