Linux Manuals

mongoc_client_get_max_message_size() – None Synopsisint32_t mongoc_client_get_max_message_size (mongoc_client_t *client);The mongoc_client_get_max_message_size(3) returns the maximum message size allowed by the cluster. Until a connection has been made, this will be the default of 40Mb. DeprecatedNOTE This function is deprecated and should not be used in new code.Parametersclient A mongoc_client_t \&.ReturnsThe server provided max message size, or 40Mb if no…

mongoc_client_get_max_bson_size() – None Synopsisint32_t mongoc_client_get_max_bson_size (mongoc_client_t *client);The mongoc_client_get_max_bson_size(3) returns the maximum bson document size allowed by the cluster. Until a connection has been made, this will be the default of 16Mb. DeprecatedNOTE This function is deprecated and should not be used in new code.Parametersclient A mongoc_client_t \&.ReturnsThe server provided max bson size, or 16Mb if…

mongoc_client_get_gridfs() – None Synopsismongoc_gridfs_t * mongoc_client_get_gridfs (mongoc_client_t *client, const char *db, const char *prefix, bson_error_t *error);The mongoc_client_get_gridfs(3) function shall create a new mongoc_gridfs_t \&. The db parameter is the name of the database which the gridfs instance should exist in. The prefix parameter corresponds to the gridfs collection namespacing; its default is "fs", thus the…

mongoc_client_get_default_database() – None Synopsismongoc_database_t * mongoc_client_get_default_database (mongoc_client_t *client);Get the database named in the MongoDB connection URI, or NULL if the URI specifies none. Useful when you want to choose which database to use based only on the URI in a configuration file. Parametersclient A mongoc_client_t \&.ReturnsA newly allocated mongoc_database_t that should be freed with mongoc_database_destroy(3)…

mongoc_client_get_database_names() – None Synopsischar ** mongoc_client_get_database_names (mongoc_client_t *client, bson_error_t *error);This function queries the MongoDB server for a list of known databases. Parametersclient A mongoc_client_t \&.error An optional location for a bson_error_t or NULL \&.ErrorsErrors are propagated via the error parameter. ReturnsA NULL terminated vector of NULL-byte terminated strings. The result should be freed with bson_strfreev(3)…

Opening/Closing – An XIO handle with the mode_e driver can be created with either globus_xio_handle_create() or globus_xio_server_register_accept(). An XIO handle with the mode_e driver can be created with either globus_xio_handle_create() or globus_xio_server_register_accept(). If the handle is created with globus_xio_handle_create(), the contact string passed to ref globus_xio_register_open() call must contain a host name and service/port. The…

Error Types – The errors reported by MODE_E driver include GLOBUS_XIO_ERROR_COMMAND, GLOBUS_XIO_ERROR_MEMORY, GLOBUS_XIO_ERROR_STATE, GLOBUS_XIO_ERROR_PARAMETER, GLOBUS_XIO_ERROR_EOF, GLOBUS_XIO_ERROR_CANCELED, GLOBUS_XIO_MODE_E_HEADER_ERROR. Enumerationsenum globus_xio_mode_e_error_type_t { GLOBUS_XIO_MODE_E_HEADER_ERROR } Detailed DescriptionThe errors reported by MODE_E driver include GLOBUS_XIO_ERROR_COMMAND, GLOBUS_XIO_ERROR_MEMORY, GLOBUS_XIO_ERROR_STATE, GLOBUS_XIO_ERROR_PARAMETER, GLOBUS_XIO_ERROR_EOF, GLOBUS_XIO_ERROR_CANCELED, GLOBUS_XIO_MODE_E_HEADER_ERROR. See also: globus_xio_driver_error_match() globus_error_errno_match()Enumeration Type Documentationenum globus_xio_mode_e_error_type_tMODE_E driver specific error types. Enumerator: GLOBUS_XIO_MODE_E_HEADER_ERROR Indicates that the mode_e header…

Attributes and Cntls – Mode_e driver specific attrs and cntls. Enumerationsenum globus_xio_mode_e_cmd_t { GLOBUS_XIO_MODE_E_SET_STACK, GLOBUS_XIO_MODE_E_GET_STACK, GLOBUS_XIO_MODE_E_SET_NUM_STREAMS, GLOBUS_XIO_MODE_E_GET_NUM_STREAMS, GLOBUS_XIO_MODE_E_SET_OFFSET_READS, GLOBUS_XIO_MODE_E_GET_OFFSET_READS, GLOBUS_XIO_MODE_E_SET_MANUAL_EODC, GLOBUS_XIO_MODE_E_GET_MANUAL_EODC, GLOBUS_XIO_MODE_E_SEND_EOD, GLOBUS_XIO_MODE_E_SET_EODC, GLOBUS_XIO_MODE_E_DD_GET_OFFSET, GLOBUS_XIO_MODE_E_SET_STACK_ATTR, GLOBUS_XIO_MODE_E_GET_STACK_ATTR } Functionsglobus_result_t globus_xio_attr_cntl (attr, driver, GLOBUS_XIO_MODE_E_SET_STACK, globus_xio_stack_t stack) globus_result_t globus_xio_attr_cntl (attr, driver, GLOBUS_XIO_MODE_E_GET_STACK, globus_xio_stack_t *stack_out) globus_result_t globus_xio_attr_cntl (attr, driver, GLOBUS_XIO_MODE_E_SET_NUM_STREAMS, int num_streams) globus_result_t globus_xio_attr_cntl (attr, driver, GLOBUS_XIO_MODE_E_GET_NUM_STREAMS, int *num_streams_out)…

mmv_stats_init – create and initialize Memory Mapped Value file C Synopsis #include <pcp/pmapi.h> #include <pcp/mmv_stats.h> void *mmv_stats_init(const char *name, int cluster, mmv_stats_flags_t flags, const mmv_metric_t *stats, int nstats, mmv_indom_t *indoms, int nindoms); cc … -lpcp_mmv -lpcp Descriptionmmv_stats_init creates and initializes the content of the MMV(5) file, returning a handle that is used in subsequent MMV API calls. mmv_stats_stop performs an…

mmv_lookup_value_desc – find a value in the Memory Mapped Value file C Synopsis #include <pcp/pmapi.h> #include <pcp/mmv_stats.h> pmAtomValue *mmv_lookup_value_desc(void *addr, const char *metric, const char *inst); cc … -lpcp_mmv -lpcp Descriptionmmv_lookup_value_desc searches for the value of the instance identified by the external instance name inst of the metric metric in the MMV(5) file. addr is the…

mmv_inc_value – update a value in a Memory Mapped Value file C Synopsis #include <pcp/pmapi.h> #include <pcp/mmv_stats.h> void mmv_inc_value(void *addr, pmAtomValue *val, double inc); cc … -lpcp_mmv -lpcp Descriptionmmv_inc_value provides a convenient way of updating a value returned by the mmv_lookup_value_desc. addr is the address returned from mmv_stats_init(). The value of the inc is internally…

mmap, munmap – map or unmap files or devices into memory Synopsis#include <sys/mman.h> void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset); int munmap(void *addr, size_t length);See NOTES for information on feature test macro requirements. Descriptionmmap() creates a new mapping in the virtual address space of the calling process. The starting…

OSSP mm – Shared Memory Allocation VersionOSSP mm 1.4.2 (15-Aug-2006) Synopsis #include "mm.h" Global Malloc-Replacement API int MM_create(size_t size, const char *file); int MM_permission(mode_t mode, uid_t owner, gid_t group); void MM_reset(void); void MM_destroy(void); int MM_lock(mm_lock_mode mode); int MM_unlock(void); void *MM_malloc(size_t size); void *MM_realloc(void *ptr, size_t size); void MM_free(void *ptr); void *MM_calloc(size_t number, size_t size); char…

mlx5dv_wr_set_dc_addr – Attach a DC info to the last work request Synopsis#include <infiniband/mlx5dv.h> static inline void mlx5dv_wr_set_dc_addr(struct mlx5dv_qp_ex *mqp, struct ibv_ah *ah, uint32_t remote_dctn, uint64_t remote_dc_key); struct mlx5dv_mr_interleaved { uint64_t addr; uint32_t bytes_count; uint32_t bytes_skip; uint32_t lkey; }; static inline void mlx5dv_wr_mr_interleaved(struct mlx5dv_qp_ex *mqp, struct mlx5dv_mkey *mkey, uint32_t access_flags, /* use enum ibv_access_flags */ uint32_t…

mlx5dv_wr_set_dc_addr – Attach a DC info to the last work request Synopsis#include <infiniband/mlx5dv.h> static inline void mlx5dv_wr_set_dc_addr(struct mlx5dv_qp_ex *mqp, struct ibv_ah *ah, uint32_t remote_dctn, uint64_t remote_dc_key); struct mlx5dv_mr_interleaved { uint64_t addr; uint32_t bytes_count; uint32_t bytes_skip; uint32_t lkey; }; static inline void mlx5dv_wr_mr_interleaved(struct mlx5dv_qp_ex *mqp, struct mlx5dv_mkey *mkey, uint32_t access_flags, /* use enum ibv_access_flags */ uint32_t…

mlx5dv_ts_to_ns – Convert device timestamp from HCA core clock units to the corresponding nanosecond counts Synopsis#include <infiniband/mlx5dv.h> uint64_t mlx5dv_ts_to_ns(struct mlx5dv_clock_info *clock_info, uint64_t device_timestamp);Descriptionmlx5dv_ts_to_ns(3) Converts a host byte order device_timestamp from HCA core clock units into the corresponding nanosecond wallclock time. struct mlx5dv_clock_info can be retrieved using mlx5dv_get_clock_info(3). The greater the difference between the device reporting…

mlx5dv_query_device – Query device capabilities specific to mlx5 Synopsis#include <infiniband/mlx5dv.h> int mlx5dv_query_device(struct ibv_context *ctx_in, struct mlx5dv_context *attrs_out);Descriptionmlx5dv_query_device() Query HW device-specific information which is important for data-path, but isn’t provided by ibv_query_device(3). This function returns version, flags and compatibility mask. The version represents the format of the internal hardware structures that mlx5dv.h represents. Additions of new…

mlx5dv_wr_set_dc_addr – Attach a DC info to the last work request Synopsis#include <infiniband/mlx5dv.h> static inline void mlx5dv_wr_set_dc_addr(struct mlx5dv_qp_ex *mqp, struct ibv_ah *ah, uint32_t remote_dctn, uint64_t remote_dc_key); struct mlx5dv_mr_interleaved { uint64_t addr; uint32_t bytes_count; uint32_t bytes_skip; uint32_t lkey; }; static inline void mlx5dv_wr_mr_interleaved(struct mlx5dv_qp_ex *mqp, struct mlx5dv_mkey *mkey, uint32_t access_flags, /* use enum ibv_access_flags */ uint32_t…

mlx5dv_open_device – Open an RDMA device context for the mlx5 provider Synopsis#include <infiniband/mlx5dv.h> struct ibv_context * mlx5dv_open_device(struct ibv_device *device, struct mlx5dv_context_attr *attr);DescriptionOpen an RDMA device context with specific mlx5 provider attributes. Argumentsdevice RDMA device to open.attr argumentstruct mlx5dv_context_attr { uint32_t flags; uint64_t comp_mask; };flags A bitwise OR of the various values described below. *MLX5DV_CONTEXT_FLAGS_DEVX*: Allocate…

mlx5dv_is_supported – Check whether an RDMA device implemented by the mlx5 provider Synopsis#include <infiniband/mlx5dv.h> bool mlx5dv_is_supported(struct ibv_device *device);Descriptionmlx5dv functions may be called only if this function returns true for the RDMA device. Argumentsdevice RDMA device to check.Return ValueReturns true if device is implemented by mlx5 provider. See Alsomlx5dv(7) AuthorArtemy Kovalyov <artemyko [at] mellanox.com>