The user space uses /dev/crypto/nx-gzip interface to setup VAS
windows, create paste mapping and close windows. This patch adds
changes to create/remove this interface with VAS register/unregister
functions on PowerVM platform.
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/121ea1f4eb3004f3b8f4fe8abefaecc88b292efd.camel@linux.ibm.com
config CRYPTO_DEV_NX_COMPRESS_PSERIES
tristate "Compression acceleration support on pSeries platform"
depends on PPC_PSERIES && IBMVIO
+ depends on PPC_VAS
default y
help
Support for PowerPC Nest (NX) compression acceleration. This
return ret;
}
+ ret = vas_register_api_pseries(THIS_MODULE, VAS_COP_TYPE_GZIP,
+ "nx-gzip");
+
+ if (ret)
+ pr_err("NX-GZIP is not supported. Returned=%d\n", ret);
+
return 0;
}
struct nx842_devdata *old_devdata;
unsigned long flags;
+ vas_unregister_api_pseries();
+
crypto_unregister_alg(&nx842_pseries_alg);
spin_lock_irqsave(&devdata_mutex, flags);