0dfab249d5
Update domain creation logic to account for DLB v2.5 credit scheme, new register map, and new register access macros. Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
699 lines
22 KiB
C
699 lines
22 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016-2020 Intel Corporation
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*/
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#ifndef __DLB2_USER_H
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#define __DLB2_USER_H
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#define DLB2_MAX_NAME_LEN 64
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#include <linux/types.h>
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enum dlb2_error {
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DLB2_ST_SUCCESS = 0,
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DLB2_ST_NAME_EXISTS,
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DLB2_ST_DOMAIN_UNAVAILABLE,
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DLB2_ST_LDB_PORTS_UNAVAILABLE,
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DLB2_ST_DIR_PORTS_UNAVAILABLE,
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DLB2_ST_LDB_QUEUES_UNAVAILABLE,
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DLB2_ST_LDB_CREDITS_UNAVAILABLE,
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DLB2_ST_DIR_CREDITS_UNAVAILABLE,
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DLB2_ST_CREDITS_UNAVAILABLE,
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DLB2_ST_SEQUENCE_NUMBERS_UNAVAILABLE,
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DLB2_ST_INVALID_DOMAIN_ID,
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DLB2_ST_INVALID_QID_INFLIGHT_ALLOCATION,
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DLB2_ST_ATOMIC_INFLIGHTS_UNAVAILABLE,
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DLB2_ST_HIST_LIST_ENTRIES_UNAVAILABLE,
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DLB2_ST_INVALID_LDB_QUEUE_ID,
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DLB2_ST_INVALID_CQ_DEPTH,
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DLB2_ST_INVALID_CQ_VIRT_ADDR,
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DLB2_ST_INVALID_PORT_ID,
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DLB2_ST_INVALID_QID,
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DLB2_ST_INVALID_PRIORITY,
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DLB2_ST_NO_QID_SLOTS_AVAILABLE,
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DLB2_ST_INVALID_DIR_QUEUE_ID,
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DLB2_ST_DIR_QUEUES_UNAVAILABLE,
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DLB2_ST_DOMAIN_NOT_CONFIGURED,
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DLB2_ST_INTERNAL_ERROR,
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DLB2_ST_DOMAIN_IN_USE,
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DLB2_ST_DOMAIN_NOT_FOUND,
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DLB2_ST_QUEUE_NOT_FOUND,
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DLB2_ST_DOMAIN_STARTED,
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DLB2_ST_DOMAIN_NOT_STARTED,
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DLB2_ST_LDB_PORT_REQUIRED_FOR_LDB_QUEUES,
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DLB2_ST_DOMAIN_RESET_FAILED,
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DLB2_ST_MBOX_ERROR,
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DLB2_ST_INVALID_HIST_LIST_DEPTH,
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DLB2_ST_NO_MEMORY,
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DLB2_ST_INVALID_LOCK_ID_COMP_LEVEL,
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DLB2_ST_INVALID_COS_ID,
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};
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static const char dlb2_error_strings[][128] = {
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"DLB2_ST_SUCCESS",
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"DLB2_ST_NAME_EXISTS",
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"DLB2_ST_DOMAIN_UNAVAILABLE",
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"DLB2_ST_LDB_PORTS_UNAVAILABLE",
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"DLB2_ST_DIR_PORTS_UNAVAILABLE",
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"DLB2_ST_LDB_QUEUES_UNAVAILABLE",
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"DLB2_ST_LDB_CREDITS_UNAVAILABLE",
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"DLB2_ST_DIR_CREDITS_UNAVAILABLE",
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"DLB2_ST_CREDITS_UNAVAILABLE",
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"DLB2_ST_SEQUENCE_NUMBERS_UNAVAILABLE",
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"DLB2_ST_INVALID_DOMAIN_ID",
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"DLB2_ST_INVALID_QID_INFLIGHT_ALLOCATION",
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"DLB2_ST_ATOMIC_INFLIGHTS_UNAVAILABLE",
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"DLB2_ST_HIST_LIST_ENTRIES_UNAVAILABLE",
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"DLB2_ST_INVALID_LDB_QUEUE_ID",
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"DLB2_ST_INVALID_CQ_DEPTH",
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"DLB2_ST_INVALID_CQ_VIRT_ADDR",
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"DLB2_ST_INVALID_PORT_ID",
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"DLB2_ST_INVALID_QID",
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"DLB2_ST_INVALID_PRIORITY",
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"DLB2_ST_NO_QID_SLOTS_AVAILABLE",
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"DLB2_ST_INVALID_DIR_QUEUE_ID",
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"DLB2_ST_DIR_QUEUES_UNAVAILABLE",
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"DLB2_ST_DOMAIN_NOT_CONFIGURED",
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"DLB2_ST_INTERNAL_ERROR",
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"DLB2_ST_DOMAIN_IN_USE",
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"DLB2_ST_DOMAIN_NOT_FOUND",
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"DLB2_ST_QUEUE_NOT_FOUND",
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"DLB2_ST_DOMAIN_STARTED",
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"DLB2_ST_DOMAIN_NOT_STARTED",
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"DLB2_ST_LDB_PORT_REQUIRED_FOR_LDB_QUEUES",
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"DLB2_ST_DOMAIN_RESET_FAILED",
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"DLB2_ST_MBOX_ERROR",
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"DLB2_ST_INVALID_HIST_LIST_DEPTH",
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"DLB2_ST_NO_MEMORY",
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"DLB2_ST_INVALID_LOCK_ID_COMP_LEVEL",
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"DLB2_ST_INVALID_COS_ID",
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};
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struct dlb2_cmd_response {
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__u32 status; /* Interpret using enum dlb2_error */
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__u32 id;
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};
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/*******************/
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/* 'dlb2' commands */
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/*******************/
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#define DLB2_DEVICE_VERSION(x) (((x) >> 8) & 0xFF)
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#define DLB2_DEVICE_REVISION(x) ((x) & 0xFF)
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enum dlb2_revisions {
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DLB2_REV_A0 = 0,
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};
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/*
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* DLB2_CMD_GET_DEVICE_VERSION: Query the DLB device version.
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*
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* This ioctl interface is the same in all driver versions and is always
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* the first ioctl.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id[7:0]: Device revision.
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* - response.id[15:8]: Device version.
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*/
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struct dlb2_get_device_version_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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};
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/*
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* DLB2_CMD_CREATE_SCHED_DOMAIN: Create a DLB 2.0 scheduling domain and reserve
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* its hardware resources. This command returns the newly created domain
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* ID and a file descriptor for accessing the domain.
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*
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* Input parameters:
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* - num_ldb_queues: Number of load-balanced queues.
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* - num_ldb_ports: Number of load-balanced ports that can be allocated from
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* any class-of-service with available ports.
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* - num_cos_ldb_ports[4]: Number of load-balanced ports from
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* classes-of-service 0-3.
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* - num_dir_ports: Number of directed ports. A directed port has one directed
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* queue, so no num_dir_queues argument is necessary.
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* - num_atomic_inflights: This specifies the amount of temporary atomic QE
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* storage for the domain. This storage is divided among the domain's
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* load-balanced queues that are configured for atomic scheduling.
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* - num_hist_list_entries: Amount of history list storage. This is divided
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* among the domain's CQs.
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* - num_ldb_credits: Amount of load-balanced QE storage (QED). QEs occupy this
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* space until they are scheduled to a load-balanced CQ. One credit
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* represents the storage for one QE.
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* - num_dir_credits: Amount of directed QE storage (DQED). QEs occupy this
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* space until they are scheduled to a directed CQ. One credit represents
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* the storage for one QE.
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* - cos_strict: If set, return an error if there are insufficient ports in
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* class-of-service N to satisfy the num_ldb_ports_cosN argument. If
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* unset, attempt to fulfill num_ldb_ports_cosN arguments from other
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* classes-of-service if class N does not contain enough free ports.
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* - padding1: Reserved for future use.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: domain ID.
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* - domain_fd: file descriptor for performing the domain's ioctl operations
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* - padding0: Reserved for future use.
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*/
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struct dlb2_create_sched_domain_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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__u32 domain_fd;
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__u32 padding0;
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/* Input parameters */
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__u32 num_ldb_queues;
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__u32 num_ldb_ports;
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__u32 num_cos_ldb_ports[4];
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__u32 num_dir_ports;
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__u32 num_atomic_inflights;
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__u32 num_hist_list_entries;
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union {
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struct {
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__u32 num_ldb_credits;
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__u32 num_dir_credits;
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};
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struct {
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__u32 num_credits;
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};
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};
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__u8 cos_strict;
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__u8 padding1[3];
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};
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/*
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* DLB2_CMD_GET_NUM_RESOURCES: Return the number of available resources
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* (queues, ports, etc.) that this device owns.
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*
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* Output parameters:
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* - num_domains: Number of available scheduling domains.
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* - num_ldb_queues: Number of available load-balanced queues.
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* - num_ldb_ports: Total number of available load-balanced ports.
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* - num_cos_ldb_ports[4]: Number of available load-balanced ports from
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* classes-of-service 0-3.
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* - num_dir_ports: Number of available directed ports. There is one directed
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* queue for every directed port.
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* - num_atomic_inflights: Amount of available temporary atomic QE storage.
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* - num_hist_list_entries: Amount of history list storage.
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* - max_contiguous_hist_list_entries: History list storage is allocated in
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* a contiguous chunk, and this return value is the longest available
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* contiguous range of history list entries.
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* - num_ldb_credits: Amount of available load-balanced QE storage.
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* - num_dir_credits: Amount of available directed QE storage.
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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*/
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struct dlb2_get_num_resources_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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__u32 num_sched_domains;
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__u32 num_ldb_queues;
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__u32 num_ldb_ports;
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__u32 num_cos_ldb_ports[4];
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__u32 num_dir_ports;
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__u32 num_atomic_inflights;
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__u32 num_hist_list_entries;
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__u32 max_contiguous_hist_list_entries;
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union {
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struct {
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__u32 num_ldb_credits;
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__u32 num_dir_credits;
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};
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struct {
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__u32 num_credits;
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};
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};
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};
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/*
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* DLB2_CMD_SET_SN_ALLOCATION: Configure a sequence number group (PF only)
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*
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* Input parameters:
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* - group: Sequence number group ID.
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* - num: Number of sequence numbers per queue.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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*/
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struct dlb2_set_sn_allocation_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 group;
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__u32 num;
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};
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/*
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* DLB2_CMD_GET_SN_ALLOCATION: Get a sequence number group's configuration
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*
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* Input parameters:
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* - group: Sequence number group ID.
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* - padding0: Reserved for future use.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: Specified group's number of sequence numbers per queue.
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*/
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struct dlb2_get_sn_allocation_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 group;
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__u32 padding0;
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};
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/*
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* DLB2_CMD_SET_COS_BW: Set a bandwidth allocation percentage for a
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* load-balanced port class-of-service (PF only).
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*
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* Input parameters:
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* - cos_id: class-of-service ID, between 0 and 3 (inclusive).
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* - bandwidth: class-of-service bandwidth percentage. Total bandwidth
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* percentages across all 4 classes cannot exceed 100%.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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*/
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struct dlb2_set_cos_bw_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 cos_id;
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__u32 bandwidth;
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};
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/*
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* DLB2_CMD_GET_COS_BW: Get the bandwidth allocation percentage for a
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* load-balanced port class-of-service.
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*
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* Input parameters:
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* - cos_id: class-of-service ID, between 0 and 3 (inclusive).
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* - padding0: Reserved for future use.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: Specified class's bandwidth percentage.
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*/
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struct dlb2_get_cos_bw_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 cos_id;
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__u32 padding0;
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};
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/*
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* DLB2_CMD_GET_SN_OCCUPANCY: Get a sequence number group's occupancy
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*
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* Each sequence number group has one or more slots, depending on its
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* configuration. I.e.:
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* - If configured for 1024 sequence numbers per queue, the group has 1 slot
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* - If configured for 512 sequence numbers per queue, the group has 2 slots
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* ...
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* - If configured for 32 sequence numbers per queue, the group has 32 slots
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*
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* This ioctl returns the group's number of in-use slots. If its occupancy is
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* 0, the group's sequence number allocation can be reconfigured.
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*
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* Input parameters:
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* - group: Sequence number group ID.
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* - padding0: Reserved for future use.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: Specified group's number of used slots.
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*/
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struct dlb2_get_sn_occupancy_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 group;
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__u32 padding0;
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};
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enum dlb2_cq_poll_modes {
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DLB2_CQ_POLL_MODE_STD,
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DLB2_CQ_POLL_MODE_SPARSE,
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/* NUM_DLB2_CQ_POLL_MODE must be last */
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NUM_DLB2_CQ_POLL_MODE,
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};
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/*
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* DLB2_CMD_QUERY_CQ_POLL_MODE: Query the CQ poll mode setting
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: CQ poll mode (see enum dlb2_cq_poll_modes).
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*/
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struct dlb2_query_cq_poll_mode_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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};
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/********************************/
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/* 'scheduling domain' commands */
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/********************************/
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/*
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* DLB2_DOMAIN_CMD_CREATE_LDB_QUEUE: Configure a load-balanced queue.
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* Input parameters:
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* - num_atomic_inflights: This specifies the amount of temporary atomic QE
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* storage for this queue. If zero, the queue will not support atomic
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* scheduling.
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* - num_sequence_numbers: This specifies the number of sequence numbers used
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* by this queue. If zero, the queue will not support ordered scheduling.
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* If non-zero, the queue will not support unordered scheduling.
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* - num_qid_inflights: The maximum number of QEs that can be inflight
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* (scheduled to a CQ but not completed) at any time. If
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* num_sequence_numbers is non-zero, num_qid_inflights must be set equal
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* to num_sequence_numbers.
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* - lock_id_comp_level: Lock ID compression level. Specifies the number of
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* unique lock IDs the queue should compress down to. Valid compression
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* levels: 0, 64, 128, 256, 512, 1k, 2k, 4k, 64k. If lock_id_comp_level is
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* 0, the queue won't compress its lock IDs.
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* - depth_threshold: DLB sets two bits in the received QE to indicate the
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* depth of the queue relative to the threshold before scheduling the
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* QE to a CQ:
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* - 2’b11: depth > threshold
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* - 2’b10: threshold >= depth > 0.75 * threshold
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* - 2’b01: 0.75 * threshold >= depth > 0.5 * threshold
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* - 2’b00: depth <= 0.5 * threshold
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* - padding0: Reserved for future use.
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: Queue ID.
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*/
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struct dlb2_create_ldb_queue_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__u32 num_sequence_numbers;
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__u32 num_qid_inflights;
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__u32 num_atomic_inflights;
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__u32 lock_id_comp_level;
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__u32 depth_threshold;
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__u32 padding0;
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};
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/*
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* DLB2_DOMAIN_CMD_CREATE_DIR_QUEUE: Configure a directed queue.
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* Input parameters:
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* - port_id: Port ID. If the corresponding directed port is already created,
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* specify its ID here. Else this argument must be 0xFFFFFFFF to indicate
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* that the queue is being created before the port.
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* - depth_threshold: DLB sets two bits in the received QE to indicate the
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* depth of the queue relative to the threshold before scheduling the
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* QE to a CQ:
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* - 2’b11: depth > threshold
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* - 2’b10: threshold >= depth > 0.75 * threshold
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* - 2’b01: 0.75 * threshold >= depth > 0.5 * threshold
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* - 2’b00: depth <= 0.5 * threshold
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*
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* Output parameters:
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* - response.status: Detailed error code. In certain cases, such as if the
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* ioctl request arg is invalid, the driver won't set status.
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* - response.id: Queue ID.
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*/
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struct dlb2_create_dir_queue_args {
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/* Output parameters */
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struct dlb2_cmd_response response;
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/* Input parameters */
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__s32 port_id;
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__u32 depth_threshold;
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};
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/*
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* DLB2_DOMAIN_CMD_CREATE_LDB_PORT: Configure a load-balanced port.
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* Input parameters:
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* - cq_depth: Depth of the port's CQ. Must be a power-of-two between 8 and
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* 1024, inclusive.
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* - cq_depth_threshold: CQ depth interrupt threshold. A value of N means that
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* the CQ interrupt won't fire until there are N or more outstanding CQ
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* tokens.
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* - num_hist_list_entries: Number of history list entries. This must be
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* greater than or equal cq_depth.
|
||
* - cos_id: class-of-service to allocate this port from. Must be between 0 and
|
||
* 3, inclusive.
|
||
* - cos_strict: If set, return an error if there are no available ports in the
|
||
* requested class-of-service. Else, allocate the port from a different
|
||
* class-of-service if the requested class has no available ports.
|
||
*
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
* - response.id: port ID.
|
||
*/
|
||
|
||
struct dlb2_create_ldb_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u16 cq_depth;
|
||
__u16 cq_depth_threshold;
|
||
__u16 cq_history_list_size;
|
||
__u8 cos_id;
|
||
__u8 cos_strict;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_CREATE_DIR_PORT: Configure a directed port.
|
||
* Input parameters:
|
||
* - cq_depth: Depth of the port's CQ. Must be a power-of-two between 8 and
|
||
* 1024, inclusive.
|
||
* - cq_depth_threshold: CQ depth interrupt threshold. A value of N means that
|
||
* the CQ interrupt won't fire until there are N or more outstanding CQ
|
||
* tokens.
|
||
* - qid: Queue ID. If the corresponding directed queue is already created,
|
||
* specify its ID here. Else this argument must be 0xFFFFFFFF to indicate
|
||
* that the port is being created before the queue.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
* - response.id: Port ID.
|
||
*/
|
||
struct dlb2_create_dir_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u16 cq_depth;
|
||
__u16 cq_depth_threshold;
|
||
__s32 queue_id;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_START_DOMAIN: Mark the end of the domain configuration. This
|
||
* must be called before passing QEs into the device, and no configuration
|
||
* ioctls can be issued once the domain has started. Sending QEs into the
|
||
* device before calling this ioctl will result in undefined behavior.
|
||
* Input parameters:
|
||
* - (None)
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_start_domain_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_MAP_QID: Map a load-balanced queue to a load-balanced port.
|
||
* Input parameters:
|
||
* - port_id: Load-balanced port ID.
|
||
* - qid: Load-balanced queue ID.
|
||
* - priority: Queue->port service priority.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_map_qid_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 qid;
|
||
__u32 priority;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_UNMAP_QID: Unmap a load-balanced queue to a load-balanced
|
||
* port.
|
||
* Input parameters:
|
||
* - port_id: Load-balanced port ID.
|
||
* - qid: Load-balanced queue ID.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_unmap_qid_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 qid;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_ENABLE_LDB_PORT: Enable scheduling to a load-balanced port.
|
||
* Input parameters:
|
||
* - port_id: Load-balanced port ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_enable_ldb_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_ENABLE_DIR_PORT: Enable scheduling to a directed port.
|
||
* Input parameters:
|
||
* - port_id: Directed port ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_enable_dir_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_DISABLE_LDB_PORT: Disable scheduling to a load-balanced
|
||
* port.
|
||
* Input parameters:
|
||
* - port_id: Load-balanced port ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_disable_ldb_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_DISABLE_DIR_PORT: Disable scheduling to a directed port.
|
||
* Input parameters:
|
||
* - port_id: Directed port ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
*/
|
||
struct dlb2_disable_dir_port_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_GET_LDB_QUEUE_DEPTH: Get a load-balanced queue's depth.
|
||
* Input parameters:
|
||
* - queue_id: The load-balanced queue ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
* - response.id: queue depth.
|
||
*/
|
||
struct dlb2_get_ldb_queue_depth_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 queue_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_DIR_QUEUE_DEPTH: Get a directed queue's depth.
|
||
* Input parameters:
|
||
* - queue_id: The directed queue ID.
|
||
* - padding0: Reserved for future use.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
* - response.id: queue depth.
|
||
*/
|
||
struct dlb2_get_dir_queue_depth_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 queue_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* DLB2_DOMAIN_CMD_PENDING_PORT_UNMAPS: Get number of queue unmap operations in
|
||
* progress for a load-balanced port.
|
||
*
|
||
* Note: This is a snapshot; the number of unmap operations in progress
|
||
* is subject to change at any time.
|
||
*
|
||
* Input parameters:
|
||
* - port_id: Load-balanced port ID.
|
||
*
|
||
* Output parameters:
|
||
* - response.status: Detailed error code. In certain cases, such as if the
|
||
* ioctl request arg is invalid, the driver won't set status.
|
||
* - response.id: number of unmaps in progress.
|
||
*/
|
||
struct dlb2_pending_port_unmaps_args {
|
||
/* Output parameters */
|
||
struct dlb2_cmd_response response;
|
||
/* Input parameters */
|
||
__u32 port_id;
|
||
__u32 padding0;
|
||
};
|
||
|
||
/*
|
||
* Mapping sizes for memory mapping the consumer queue (CQ) memory space, and
|
||
* producer port (PP) MMIO space.
|
||
*/
|
||
#define DLB2_CQ_SIZE 65536
|
||
#define DLB2_PP_SIZE 4096
|
||
|
||
|
||
#endif /* __DLB2_USER_H */
|