diff options
| author | James Morris <jmorris@namei.org> | 2009-12-09 19:01:03 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-12-09 19:01:03 +1100 |
| commit | 1ad1f10cd915744bbe52b19423653b38287d827d (patch) | |
| tree | ae072aace36b45a55d80b8cbf1b6d92523a88ea0 /include/linux/hw_random.h | |
| parent | 08e3daff217059c84c360cc71212686e0a7995af (diff) | |
| parent | 2b876f95d03e226394b5d360c86127cbefaf614b (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'include/linux/hw_random.h')
| -rw-r--r-- | include/linux/hw_random.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h index 7244456e7e65..9bede7633f74 100644 --- a/include/linux/hw_random.h +++ b/include/linux/hw_random.h @@ -22,10 +22,12 @@ * @cleanup: Cleanup callback (can be NULL). * @data_present: Callback to determine if data is available * on the RNG. If NULL, it is assumed that - * there is always data available. + * there is always data available. *OBSOLETE* * @data_read: Read data from the RNG device. * Returns the number of lower random bytes in "data". - * Must not be NULL. + * Must not be NULL. *OSOLETE* + * @read: New API. drivers can fill up to max bytes of data + * into the buffer. The buffer is aligned for any type. * @priv: Private data, for use by the RNG driver. */ struct hwrng { @@ -34,6 +36,7 @@ struct hwrng { void (*cleanup)(struct hwrng *rng); int (*data_present)(struct hwrng *rng, int wait); int (*data_read)(struct hwrng *rng, u32 *data); + int (*read)(struct hwrng *rng, void *data, size_t max, bool wait); unsigned long priv; /* internal. */ |