From: Haren Myneni <haren@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org, mpe@ellerman.id.au, herbert@gondor.apana.org.au, npiggin@gmail.com Cc: hbabu@us.ibm.com, haren@us.ibm.com Subject: [PATCH v6 17/17] crypto/nx: Register and unregister VAS interface on PowerVM Date: Thu, 17 Jun 2021 13:39:41 -0700 [thread overview] Message-ID: <121ea1f4eb3004f3b8f4fe8abefaecc88b292efd.camel@linux.ibm.com> (raw) In-Reply-To: <827bf56dce09620ebecd8a00a5f97105187a6205.camel@linux.ibm.com> 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> --- drivers/crypto/nx/Kconfig | 1 + drivers/crypto/nx/nx-common-pseries.c | 8 ++++++++ 2 files changed, 9 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 f51a50d40504..6671f6634dda 100644 --- a/drivers/crypto/nx/nx-common-pseries.c +++ b/drivers/crypto/nx/nx-common-pseries.c @@ -1231,6 +1231,12 @@ 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; } @@ -1241,6 +1247,8 @@ 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
WARNING: multiple messages have this Message-ID (diff)
From: Haren Myneni <haren@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org, mpe@ellerman.id.au, herbert@gondor.apana.org.au, npiggin@gmail.com Subject: [PATCH v6 17/17] crypto/nx: Register and unregister VAS interface on PowerVM Date: Thu, 17 Jun 2021 13:39:41 -0700 [thread overview] Message-ID: <121ea1f4eb3004f3b8f4fe8abefaecc88b292efd.camel@linux.ibm.com> (raw) In-Reply-To: <827bf56dce09620ebecd8a00a5f97105187a6205.camel@linux.ibm.com> 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> --- drivers/crypto/nx/Kconfig | 1 + drivers/crypto/nx/nx-common-pseries.c | 8 ++++++++ 2 files changed, 9 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 f51a50d40504..6671f6634dda 100644 --- a/drivers/crypto/nx/nx-common-pseries.c +++ b/drivers/crypto/nx/nx-common-pseries.c @@ -1231,6 +1231,12 @@ 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; } @@ -1241,6 +1247,8 @@ 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
next prev parent reply other threads:[~2021-06-17 20:39 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-17 20:24 [PATCH v6 00/17] Enable VAS and NX-GZIP support on PowerVM Haren Myneni 2021-06-17 20:24 ` Haren Myneni 2021-06-17 20:29 ` [PATCH v6 01/17] powerpc/powernv/vas: Release reference to tgid during window close Haren Myneni 2021-06-17 20:29 ` Haren Myneni 2021-06-17 20:29 ` [PATCH v6 02/17] powerpc/vas: Move VAS API to book3s common platform Haren Myneni 2021-06-17 20:29 ` Haren Myneni 2021-06-17 20:30 ` [PATCH v6 03/17] powerpc/powernv/vas: Rename register/unregister functions Haren Myneni 2021-06-17 20:30 ` Haren Myneni 2021-06-17 20:31 ` [PATCH v6 04/17] powerpc/vas: Add platform specific user window operations Haren Myneni 2021-06-17 20:31 ` Haren Myneni 2021-06-17 23:27 ` Nicholas Piggin 2021-06-17 23:27 ` Nicholas Piggin 2021-06-17 20:31 ` [PATCH v6 05/17] powerpc/vas: Create take/drop pid and mm reference functions Haren Myneni 2021-06-17 20:31 ` Haren Myneni 2021-06-17 20:32 ` [PATCH v6 06/17] powerpc/vas: Move update_csb/dump_crb to common book3s platform Haren Myneni 2021-06-17 20:32 ` Haren Myneni 2021-06-17 23:10 ` Nicholas Piggin 2021-06-17 23:10 ` Nicholas Piggin 2021-06-17 20:33 ` [PATCH v6 07/17] powerpc/vas: Define and use common vas_window struct Haren Myneni 2021-06-17 20:33 ` Haren Myneni 2021-06-17 20:34 ` [PATCH v6 08/17] powerpc/pseries/vas: Define VAS/NXGZIP hcalls and structs Haren Myneni 2021-06-17 20:34 ` Haren Myneni 2021-06-17 20:34 ` [PATCH v6 09/17] powerpc/vas: Define QoS credit flag to allocate window Haren Myneni 2021-06-17 20:34 ` Haren Myneni 2021-06-17 20:35 ` [PATCH v6 10/17] powerpc/pseries/vas: Add hcall wrappers for VAS handling Haren Myneni 2021-06-17 20:35 ` Haren Myneni 2021-06-17 20:35 ` [PATCH v6 11/17] powerpc/pseries/vas: Implement getting capabilities from hypervisor Haren Myneni 2021-06-17 20:35 ` Haren Myneni 2021-06-17 23:24 ` Nicholas Piggin 2021-06-17 23:24 ` Nicholas Piggin 2021-06-17 20:36 ` [PATCH v6 12/17] powerpc/pseries/vas: Integrate API with open/close windows Haren Myneni 2021-06-17 20:36 ` Haren Myneni 2021-06-17 23:22 ` Nicholas Piggin 2021-06-17 23:22 ` Nicholas Piggin 2021-06-18 7:49 ` Haren Myneni 2021-06-18 7:49 ` Haren Myneni 2021-06-19 3:22 ` Nicholas Piggin 2021-06-19 3:22 ` Nicholas Piggin 2021-06-17 20:37 ` [PATCH v6 13/17] powerpc/pseries/vas: Setup IRQ and fault handling Haren Myneni 2021-06-17 20:37 ` Haren Myneni 2021-06-17 23:34 ` Nicholas Piggin 2021-06-17 23:34 ` Nicholas Piggin 2021-06-18 2:09 ` Haren Myneni 2021-06-18 2:09 ` Haren Myneni 2021-06-19 3:22 ` Nicholas Piggin 2021-06-19 3:22 ` Nicholas Piggin 2021-06-17 20:37 ` [PATCH v6 14/17] crypto/nx: Rename nx-842-pseries file name to nx-common-pseries Haren Myneni 2021-06-17 20:37 ` Haren Myneni 2021-06-17 20:38 ` [PATCH v6 15/17] crypto/nx: Get NX capabilities for GZIP coprocessor type Haren Myneni 2021-06-17 20:38 ` Haren Myneni 2021-06-17 23:35 ` Nicholas Piggin 2021-06-17 23:35 ` Nicholas Piggin 2021-06-17 20:39 ` [PATCH v6 16/17] crypto/nx: Add sysfs interface to export NX capabilities Haren Myneni 2021-06-17 20:39 ` Haren Myneni 2021-06-17 23:41 ` Nicholas Piggin 2021-06-17 23:41 ` Nicholas Piggin 2021-06-17 20:39 ` Haren Myneni [this message] 2021-06-17 20:39 ` [PATCH v6 17/17] crypto/nx: Register and unregister VAS interface on PowerVM Haren Myneni 2021-06-24 14:03 ` [PATCH v6 00/17] Enable VAS and NX-GZIP support " Michael Ellerman 2021-06-24 14:03 ` Michael Ellerman
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