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umad_release_ca: get and release InfiniBand device port attributes

umad_get_ca, umad_release_ca - get and release InfiniBand device port attributes
#include <infiniband/umad.h> int umad_get_ca(char *ca_name, umad_ca_t *ca); int umad_release_ca(umad_ca_t *ca);


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() should be called before the ca structure is deallocated. The argument ca is an umad_ca_t struct, as specified in <infiniband/umad.h>. typedef struct umad_ca { char ca_name[UMAD_CA_NAME_LEN]; /* Name of the device */ uint node_type; /* Type of the device */ int numports; /* Number of physical ports */ char fw_ver[20]; /* FW version */ char ca_type[40]; /* CA type (e.g. MT23108, etc.) */ char hw_ver[20]; /* Hardware version */ uint64_t node_guid; /* Node GUID */ uint64_t system_guid; /* System image GUID */ umad_port_t *ports[UMAD_CA_MAX_PORTS]; /* Array of device port properties */ } umad_ca_t; umad_release_ca() releases the resources that were allocated in the function umad_get_ca().


umad_get_ca() and umad_release_ca() return 0 on success, and a negative value on error.


Hal Rosenstock <halr@voltaire.com> Dotan Barak <dotanb@mellanox.co.il> UMAD_RELEASE_CA(3)

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