cb2f0a2cf5
There is a way to pause/resume spdk pollers, however there is no way to achieve that using public API for the given target which has a hook behaving similar to pollers. Exposing such functionality can be used for pausing and restoring target pollers during reset, e.g. new commands should not be fetched to assure that all internal resources can be cleared/reinitialized safety. Pausing target poller during the reset will assure that, without need for destroying transport or adding condition statements in IO path. Similar use case might be hitless upgrade. Depending on implementation there might be need that no new command can be submitted when secondary processes are being switched to upgraded versions. Pausing target pollers should be useful in this case. Signed-off-by: Kamuda Szymon <szymon.kamuda@intel.com> Change-Id: I419816552c710c43e02197ebcc20a967fb23b3bd Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15911 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
128 lines
3.7 KiB
Plaintext
128 lines
3.7 KiB
Plaintext
{
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global:
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# public functions in nvmf.h
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spdk_nvmf_tgt_create;
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spdk_nvmf_tgt_destroy;
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spdk_nvmf_tgt_get_name;
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spdk_nvmf_get_tgt;
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spdk_nvmf_get_first_tgt;
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spdk_nvmf_get_next_tgt;
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spdk_nvmf_tgt_write_config_json;
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spdk_nvmf_listen_opts_init;
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spdk_nvmf_tgt_listen_ext;
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spdk_nvmf_tgt_stop_listen;
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spdk_nvmf_poll_group_create;
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spdk_nvmf_get_optimal_poll_group;
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spdk_nvmf_poll_group_destroy;
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spdk_nvmf_poll_group_add;
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spdk_nvmf_qpair_disconnect;
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spdk_nvmf_qpair_get_peer_trid;
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spdk_nvmf_qpair_get_local_trid;
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spdk_nvmf_qpair_get_listen_trid;
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spdk_nvmf_subsystem_create;
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spdk_nvmf_subsystem_destroy;
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spdk_nvmf_subsystem_start;
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spdk_nvmf_subsystem_stop;
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spdk_nvmf_subsystem_pause;
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spdk_nvmf_subsystem_resume;
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spdk_nvmf_tgt_find_subsystem;
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spdk_nvmf_subsystem_get_first;
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spdk_nvmf_subsystem_get_next;
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spdk_nvmf_subsystem_add_host;
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spdk_nvmf_subsystem_remove_host;
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spdk_nvmf_subsystem_disconnect_host;
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spdk_nvmf_subsystem_set_allow_any_host;
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spdk_nvmf_subsystem_get_allow_any_host;
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spdk_nvmf_subsystem_host_allowed;
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spdk_nvmf_subsystem_get_first_host;
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spdk_nvmf_subsystem_get_next_host;
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spdk_nvmf_host_get_nqn;
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spdk_nvmf_subsystem_add_listener;
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spdk_nvmf_subsystem_remove_listener;
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spdk_nvmf_subsystem_listener_allowed;
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spdk_nvmf_subsystem_get_first_listener;
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spdk_nvmf_subsystem_get_next_listener;
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spdk_nvmf_subsystem_listener_get_trid;
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spdk_nvmf_subsystem_allow_any_listener;
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spdk_nvmf_subsytem_any_listener_allowed;
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spdk_nvmf_ns_opts_get_defaults;
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spdk_nvmf_subsystem_add_ns_ext;
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spdk_nvmf_subsystem_remove_ns;
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spdk_nvmf_subsystem_get_first_ns;
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spdk_nvmf_subsystem_get_next_ns;
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spdk_nvmf_subsystem_get_ns;
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spdk_nvmf_subsystem_get_min_cntlid;
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spdk_nvmf_subsystem_get_max_cntlid;
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spdk_nvmf_subsystem_get_max_namespaces;
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spdk_nvmf_ns_get_id;
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spdk_nvmf_ns_get_bdev;
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spdk_nvmf_ns_get_opts;
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spdk_nvmf_subsystem_get_sn;
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spdk_nvmf_subsystem_set_sn;
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spdk_nvmf_subsystem_get_mn;
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spdk_nvmf_subsystem_set_mn;
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spdk_nvmf_subsystem_get_nqn;
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spdk_nvmf_subsystem_get_type;
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spdk_nvmf_subsystem_get_max_nsid;
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spdk_nvmf_transport_opts_init;
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spdk_nvmf_transport_create;
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spdk_nvmf_transport_destroy;
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spdk_nvmf_tgt_get_transport;
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spdk_nvmf_transport_get_first;
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spdk_nvmf_transport_get_next;
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spdk_nvmf_get_transport_opts;
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spdk_nvmf_get_transport_type;
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spdk_nvmf_get_transport_name;
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spdk_nvmf_tgt_add_transport;
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spdk_nvmf_tgt_pause_polling;
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spdk_nvmf_tgt_resume_polling;
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spdk_nvmf_transport_listen;
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spdk_nvmf_transport_stop_listen;
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spdk_nvmf_transport_stop_listen_async;
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spdk_nvmf_poll_group_dump_stat;
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spdk_nvmf_rdma_init_hooks;
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spdk_nvmf_subsystem_set_ana_reporting;
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# public functions in nvmf_cmd.h
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spdk_nvmf_ctrlr_identify_ctrlr;
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spdk_nvmf_ctrlr_identify_iocs_specific;
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spdk_nvmf_ctrlr_identify_ns;
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spdk_nvmf_set_custom_admin_cmd_hdlr;
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spdk_nvmf_set_passthru_admin_cmd;
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spdk_nvmf_bdev_ctrlr_nvme_passthru_admin;
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spdk_nvmf_request_get_bdev;
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spdk_nvmf_request_get_ctrlr;
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spdk_nvmf_request_get_subsystem;
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spdk_nvmf_request_get_data;
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spdk_nvmf_request_get_cmd;
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spdk_nvmf_request_get_response;
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spdk_nvmf_request_get_req_to_abort;
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spdk_nvmf_bdev_ctrlr_abort_cmd;
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spdk_nvmf_ns_identify_iocs_specific;
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# public functions in nvmf_transport.h
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spdk_nvmf_transport_register;
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spdk_nvmf_tgt_new_qpair;
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spdk_nvmf_ctrlr_connect;
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spdk_nvmf_ctrlr_data_init;
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spdk_nvmf_ctrlr_get_regs;
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spdk_nvmf_request_free_buffers;
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spdk_nvmf_request_get_buffers;
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spdk_nvmf_request_get_dif_ctx;
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spdk_nvmf_request_exec_fabrics;
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spdk_nvmf_request_exec;
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spdk_nvmf_request_free;
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spdk_nvmf_request_complete;
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spdk_nvmf_request_zcopy_start;
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spdk_nvmf_request_zcopy_end;
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spdk_nvmf_ctrlr_get_subsystem;
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spdk_nvmf_ctrlr_get_id;
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spdk_nvmf_ctrlr_save_migr_data;
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spdk_nvmf_ctrlr_restore_migr_data;
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spdk_nvmf_req_get_xfer;
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spdk_nvmf_poll_group_remove;
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local: *;
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};
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