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cudaError_t cudaDeviceGetPCIBusId |
( |
char * |
pciBusId, |
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int |
len, |
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int |
device | |
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) |
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Returns an ASCII string identifying the device dev in the NULL-terminated string pointed to by pciBusId . len specifies the maximum length of the string that may be returned.
- Parameters:
-
| pciBusId | - Returned identifier string for the device in the following format [domain]:[bus]:[device].[function] where domain , bus , device , and function are all hexadecimal values. pciBusId should be large enough to store 13 characters including the NULL-terminator. |
| len | - Maximum length of string to store in name |
| device | - Device to get identifier string for |
- Returns:
- cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidDevice
- Note:
- Note that this function may also return error codes from previous, asynchronous launches.
- See also:
- cudaDeviceGetByPCIBusId
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