The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
umad_get_issm_path – get path of issm device Synopsis #include <infiniband/umad.h> int umad_get_issm_path(char *ca_name, int portnum, char *path, intmax); Description umad_get_issm_path() resolves path to issm device (which used for setting/clearing PortInfo:CapMask IsSM bit) for portnum of the IB device ca_name , it stores resolved path in path array which cannot exceed max bytes in length (including…
umad_get_fd – get the umad fd for the requested port Synopsis #include <infiniband/umad.h> int umad_get_fd(int portid); Description umad_get_fd() returns the umad fd for the port specified by portid. Return Value umad_get_fd() returns the fd for the portid requested or -EINVAL if portid is invalid. Author Hal Rosenstock <halr [at] voltaire.com>
umad_get_cas_names – get list of available InfiniBand device names Synopsis #include <infiniband/umad.h> int umad_get_cas_names(char cas[][UMAD_CA_NAME_LEN], int max); Description umad_get_cas_names() fills the cas array with up to max local IB devices (CAs) names. The argument cas is a character array with max entries, each with UMAD_CA_NAME_LEN characters. Return Value umad_get_cas_names() returns a non-negative value equal to…
umad_get_ca_portguids – get the InfiniBand device ports GUIDs Synopsis #include <infiniband/umad.h> int umad_get_ca_portguids(char *ca_name, uint64_t *portguids, int max); Description umad_get_ca_portguids() fills the portguids array with up to max port GUIDs belonging the specified IB device ca_name , or to the default IB device if ca_name is NULL. The argument portguids is an array of max…
umad_get_ca, umad_release_ca – get and release InfiniBand device port attributes Synopsis #include <infiniband/umad.h> int umad_get_ca(char *ca_name, umad_ca_t *ca); int umad_release_ca(umad_ca_t *ca); Description umad_get_ca() gets the attributes of the InfiniBand device ca_name. It fills the ca structure with the device attributes specified by the ca_name or with the default device attributes if ca_name is NULL. umad_release_ca()…
umad_free – frees memory of umad buffers Synopsis #include <infiniband/umad.h> void umad_free(void *umad); Description umad_free() frees memory previously allocated with umad_alloc(). Return Value umad_free() returns no value. See Also umad_alloc(3) Author Hal Rosenstock <halr [at] voltaire.com>
umad_dump – dump umad buffer to stderr Synopsis #include <infiniband/umad.h> void umad_dump(void *umad); Description umad_dump() dumps the given umad buffer to stderr. Return Value umad_dump() returns no value. Author Hal Rosenstock <halr [at] voltaire.com>
umad_debug – set debug level Synopsis #include <infiniband/umad.h> int umad_debug(int level); Description umad_debug() sets the umad library internal debug level to level. The following debug levels are supported: 0 – no debug (the default), 1 – basic debug information, 2 – verbose debug information. Negative values are ignored in terms of set. Note that the…
umad_close_port – close InfiniBand device port for umad access Synopsis #include <infiniband/umad.h> int umad_close_port(int portid); Description umad_close_port() closes the port specified by the handle portid. Return Value umad_close_port() returns 0 on success, and a negative value on error. -EINVAL is returned if the portid is not a handle to a valid (open) port. See Also…
umad_*_str – class of functions to return string representations of enums Synopsis #include <infiniband/umad_str.h> const char * umad_class_str(uint8_t mgmt_class) const char * umad_method_str(uint8_t mgmt_class, uint8_t method) const char * umad_attribute_str(uint8_t mgmt_class, be16_t attr_id) const char * umad_common_mad_status_str(be16_t status) const char * umad_sa_mad_status_str(be16_t status) Description const char * umad_class_str(uint8_t mgmt_class) Return string value of management class…
umad_alloc – allocate memory for umad buffers Synopsis #include <infiniband/umad.h> void *umad_alloc(int num, size_t size); Description umad_alloc() allocates memory for an array of num umad buffers of size bytes. Note that size should include the umad_size() plus the length (MAD_BLOCK_SIZE for normal MADs or the length returned from umad_recv() for RMPP MADs). Return Value umad_alloc()…
umad_addr_dump – dump addr structure to stderr Synopsis #include <infiniband/umad.h> void umad_addr_dump(ib_mad_addr_t *addr); Description umad_addr_dump() dumps the given addr to stderr. The argument addr is an ib_mad_addr_t struct, as specified in <infiniband/umad.h>. typedef struct ib_mad_addr { uint32_t qpn; uint32_t qkey; uint16_t lid; uint8_t sl; uint8_t path_bits; uint8_t grh_present; uint8_t gid_index; uint8_t hop_limit; uint8_t traffic_class; uint8_t…
ulimit – get and set user limits Synopsis #include <ulimit.h> long ulimit(int cmd, long newlimit); Description Warning: this routine is obsolete. Use getrlimit(2), setrlimit(2), and sysconf(3) instead. For the shell command ulimit(), see bash(1). The ulimit() call will get or set some limit for the calling process. The cmd argument can have one of the…
getspnam, getspnam_r, getspent, getspent_r, setspent, endspent, fgetspent, fgetspent_r, sgetspent, sgetspent_r, putspent, lckpwdf, ulckpwdf – get shadow password file entry Synopsis /* General shadow password file API */ #include <shadow.h> struct spwd *getspnam(const char *name); struct spwd *getspent(void); void setspent(void); void endspent(void); struct spwd *fgetspent(FILE *stream); struct spwd *sgetspent(const char *s); int putspent(const struct spwd *p,…
uisspace – Tells if a character is whitespace. Allegro game programming library. Synopsis #include <allegro.h> int uisspace(int c); Description Returns nonzero if `c’ is whitespace, that is, carriage return, newline, form feed, tab, vertical tab, or space. Example: for (counter = 0; counter < ustrlen(text_string); counter++) { if (uisspace(ugetat(text_string, counter))) usetat(text_string, counter, ‘_’); } See…
uisok – Low level helper function for testing Unicode text data. Allegro game programming library. Synopsis #include <allegro.h> int uisok(int c); Description Low level helper function for testing Unicode text data. Finds out if the character value `c’ can be encoded correctly in the current format, which can be useful if you are converting from…
uisdigit – Tells if a character is a digit. Allegro game programming library. Synopsis #include <allegro.h> int uisdigit(int c); Description Returns nonzero if `c’ is a digit. for (counter = 0; counter < ustrlen(text_string); counter++) { if (uisdigit(ugetat(text_string, counter))) usetat(text_string, counter, ‘*’); } See Also uisspace(3), ugetc(3), usetc(3), uwidth(3), ucwidth(3), uisok(3)
system_data_types – overview of system data types Description aiocb Include: <aio.h>. struct aiocb { int aio_fildes; /* File descriptor */ off_t aio_offset; /* File offset */ volatile void *aio_buf; /* Location of buffer */ size_t aio_nbytes; /* Length of transfer */ int aio_reqprio; /* Request priority offset */ struct sigevent aio_sigevent; /* Signal number and…
system_data_types – overview of system data types Description aiocb Include: <aio.h>. struct aiocb { int aio_fildes; /* File descriptor */ off_t aio_offset; /* File offset */ volatile void *aio_buf; /* Location of buffer */ size_t aio_nbytes; /* Length of transfer */ int aio_reqprio; /* Request priority offset */ struct sigevent aio_sigevent; /* Signal number and…
system_data_types – overview of system data types Description aiocb Include: <aio.h>. struct aiocb { int aio_fildes; /* File descriptor */ off_t aio_offset; /* File offset */ volatile void *aio_buf; /* Location of buffer */ size_t aio_nbytes; /* Length of transfer */ int aio_reqprio; /* Request priority offset */ struct sigevent aio_sigevent; /* Signal number and…