Spdk/module/event/subsystems/nvmf/event_nvmf.h
Yuri d63fbc8a8e nvmf: allow poll groups to run on a subset of cores
In order to avoid latency imbalances, the user can specify a cpu mask
on which the poll groups should run. This code update added data structures
to control set of CPU cores.

Change-Id: Iaf69d75da2fc6fed350d97d11027ce09e9432210
Signed-off-by: Yuri <yuriy.kirichok@hpe.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5610
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Michael Haeuptle <michaelhaeuptle@gmail.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
2021-06-08 08:27:37 +00:00

67 lines
2.3 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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* the documentation and/or other materials provided with the
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#ifndef NVMF_TGT_H
#define NVMF_TGT_H
#include "spdk/stdinc.h"
#include "spdk/nvmf.h"
#include "spdk/queue.h"
#include "spdk_internal/init.h"
#include "spdk/log.h"
#define ACCEPT_TIMEOUT_US 10000 /* 10ms */
struct spdk_nvmf_admin_passthru_conf {
bool identify_ctrlr;
};
struct spdk_nvmf_tgt_conf {
uint32_t acceptor_poll_rate;
uint32_t conn_sched; /* Deprecated. */
struct spdk_nvmf_admin_passthru_conf admin_passthru;
};
extern struct spdk_nvmf_tgt_conf g_spdk_nvmf_tgt_conf;
extern uint32_t g_spdk_nvmf_tgt_max_subsystems;
extern uint16_t g_spdk_nvmf_tgt_crdt[3];
extern struct spdk_nvmf_tgt *g_spdk_nvmf_tgt;
extern struct spdk_cpuset *g_poll_groups_mask;
#endif