| Message ID | af17f1cd30b9bbece7e160d78fb83fe5e0e823f5.camel@linux.ibm.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Enable VAS and NX-GZIP support on powerVM | expand |
Excerpts from Haren Myneni's message of May 21, 2021 7:41 pm: > > Changes to create /dev/crypto/nx-gzip interface with VAS register > and to remove this interface with VAS unregister. > Could you include why the change is done, or what goes wrong without it? Thanks, Nick > Signed-off-by: Haren Myneni <haren@linux.ibm.com> > Acked-by: Herbert Xu <herbert@gondor.apana.org.au> > --- > drivers/crypto/nx/Kconfig | 1 + > drivers/crypto/nx/nx-common-pseries.c | 9 +++++++++ > 2 files changed, 10 insertions(+) > > diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig > index 23e3d0160e67..2a35e0e785bd 100644 > --- a/drivers/crypto/nx/Kconfig > +++ b/drivers/crypto/nx/Kconfig > @@ -29,6 +29,7 @@ if CRYPTO_DEV_NX_COMPRESS > 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 > diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c > index cc8dd3072b8b..9a40fca8a9e6 100644 > --- a/drivers/crypto/nx/nx-common-pseries.c > +++ b/drivers/crypto/nx/nx-common-pseries.c > @@ -9,6 +9,7 @@ > */ > > #include <asm/vio.h> > +#include <asm/vas.h> > > #include "nx-842.h" > #include "nx_csbcpb.h" /* struct nx_csbcpb */ > @@ -1101,6 +1102,12 @@ static int __init nx842_pseries_init(void) > 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; > } > > @@ -1111,6 +1118,8 @@ static void __exit nx842_pseries_exit(void) > struct nx842_devdata *old_devdata; > unsigned long flags; > > + vas_unregister_api_pseries(); > + > crypto_unregister_alg(&nx842_pseries_alg); > > spin_lock_irqsave(&devdata_mutex, flags); > -- > 2.18.2 > > >
diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig index 23e3d0160e67..2a35e0e785bd 100644 --- a/drivers/crypto/nx/Kconfig +++ b/drivers/crypto/nx/Kconfig @@ -29,6 +29,7 @@ if CRYPTO_DEV_NX_COMPRESS 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 diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c index cc8dd3072b8b..9a40fca8a9e6 100644 --- a/drivers/crypto/nx/nx-common-pseries.c +++ b/drivers/crypto/nx/nx-common-pseries.c @@ -9,6 +9,7 @@ */ #include <asm/vio.h> +#include <asm/vas.h> #include "nx-842.h" #include "nx_csbcpb.h" /* struct nx_csbcpb */ @@ -1101,6 +1102,12 @@ static int __init nx842_pseries_init(void) 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; } @@ -1111,6 +1118,8 @@ static void __exit nx842_pseries_exit(void) struct nx842_devdata *old_devdata; unsigned long flags; + vas_unregister_api_pseries(); + crypto_unregister_alg(&nx842_pseries_alg); spin_lock_irqsave(&devdata_mutex, flags);