Author: Linux Manual

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 Description mmv_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…

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 Description mmv_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…

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 Description mmv_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…

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. Description mmap() creates a new mapping in the virtual address space of the calling…

OSSP mm – Shared Memory Allocation Version OSSP 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);…

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 */…

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 */…

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); Description mlx5dv_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…

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); Description mlx5dv_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….

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 */…

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); Description Open an RDMA device context with specific mlx5 provider attributes. Arguments device RDMA device to open. attr argument struct mlx5dv_context_attr { uint32_t flags; uint64_t comp_mask; }; flags A bitwise OR of…

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); Description mlx5dv functions may be called only if this function returns true for the RDMA device. Arguments device RDMA device to check. Return Value Returns true if device is implemented by mlx5 provider. See Also mlx5dv(7)…

mlx5dv_init_obj – Initialize mlx5 direct verbs object from ibv_xxx structures Synopsis #include <infiniband/mlx5dv.h> int mlx5dv_init_obj(struct mlx5dv_obj *obj, uint64_t obj_type); Description mlx5dv_init_obj() This function will initialize mlx5dv_xxx structs based on supplied type. The information for initialization is taken from ibv_xx structs supplied as part of input. Request information of CQ marks its owned by direct verbs…

mlx5dv_get_clock_info – Get device clock information Synopsis #include <infiniband/mlx5dv.h> int mlx5dv_get_clock_info(struct ibv_context *ctx_in, struct mlx5dv_clock_info *clock_info); Description Get the updated core clock_info from the device driver. This information will be used later to translate the completion timestamp from HCA core clock to nanoseconds. The values of the clock are updated from the driver’s PTP clock,…

mlx5dv_alloc_var – Allocates a VAR mlx5dv_free_var – Frees a VAR Synopsis #include <infiniband/mlx5dv.h> struct mlx5dv_var * mlx5dv_alloc_var(struct ibv_context *context, uint32_t flags); void mlx5dv_free_var(struct mlx5dv_var *dv_var); Description Create / free a VAR which can be used for some device commands over the DEVX interface. The DEVX API enables direct access from the user space area to…

mlx5dv_flow_action_esp – Flow action esp for mlx5 provider Synopsis #include <infiniband/mlx5/mlx5dv.h> struct ibv_flow_action * mlx5dv_create_flow_action_esp(struct ibv_context *ctx, struct ibv_flow_action_esp_attr *esp, struct mlx5dv_flow_action_esp *mlx5_attr); Description Create an IPSEC ESP flow steering action. This verb is identical to ibv_create_flow_action_esp verb, but allows mlx5 specific flags. Arguments Please see ibv_flow_action_esp(3) man page for ctx and esp. mlx5_attr argument…

NAME mlx5dv_dump_dr_domain – Dump DR Domain mlx5dv_dump_dr_table – Dump DR Table mlx5dv_dump_dr_matcher – Dump DR Matcher mlx5dv_dump_dr_rule – Dump DR Rule SYNOPSIS #include <infiniband/mlx5dv.h> int mlx5dv_dump_dr_domain(FILE *fout, struct mlx5dv_dr_domain *domain); int mlx5dv_dump_dr_table(FILE *fout, struct mlx5dv_dr_table *table); int mlx5dv_dump_dr_matcher(FILE *fout, struct mlx5dv_dr_matcher *matcher); int mlx5dv_dump_dr_rule(FILE *fout, struct mlx5dv_dr_rule *rule); DESCRIPTION The Dump API (mlx5dv_dump_*) allows the…

NAME mlx5dv_dump_dr_domain – Dump DR Domain mlx5dv_dump_dr_table – Dump DR Table mlx5dv_dump_dr_matcher – Dump DR Matcher mlx5dv_dump_dr_rule – Dump DR Rule SYNOPSIS #include <infiniband/mlx5dv.h> int mlx5dv_dump_dr_domain(FILE *fout, struct mlx5dv_dr_domain *domain); int mlx5dv_dump_dr_table(FILE *fout, struct mlx5dv_dr_table *table); int mlx5dv_dump_dr_matcher(FILE *fout, struct mlx5dv_dr_matcher *matcher); int mlx5dv_dump_dr_rule(FILE *fout, struct mlx5dv_dr_rule *rule); DESCRIPTION The Dump API (mlx5dv_dump_*) allows the…

NAME mlx5dv_dump_dr_domain – Dump DR Domain mlx5dv_dump_dr_table – Dump DR Table mlx5dv_dump_dr_matcher – Dump DR Matcher mlx5dv_dump_dr_rule – Dump DR Rule SYNOPSIS #include <infiniband/mlx5dv.h> int mlx5dv_dump_dr_domain(FILE *fout, struct mlx5dv_dr_domain *domain); int mlx5dv_dump_dr_table(FILE *fout, struct mlx5dv_dr_table *table); int mlx5dv_dump_dr_matcher(FILE *fout, struct mlx5dv_dr_matcher *matcher); int mlx5dv_dump_dr_rule(FILE *fout, struct mlx5dv_dr_rule *rule); DESCRIPTION The Dump API (mlx5dv_dump_*) allows the…

NAME mlx5dv_dump_dr_domain – Dump DR Domain mlx5dv_dump_dr_table – Dump DR Table mlx5dv_dump_dr_matcher – Dump DR Matcher mlx5dv_dump_dr_rule – Dump DR Rule SYNOPSIS #include <infiniband/mlx5dv.h> int mlx5dv_dump_dr_domain(FILE *fout, struct mlx5dv_dr_domain *domain); int mlx5dv_dump_dr_table(FILE *fout, struct mlx5dv_dr_table *table); int mlx5dv_dump_dr_matcher(FILE *fout, struct mlx5dv_dr_matcher *matcher); int mlx5dv_dump_dr_rule(FILE *fout, struct mlx5dv_dr_rule *rule); DESCRIPTION The Dump API (mlx5dv_dump_*) allows the…