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Wed, 1 Apr 2020 14:20:22 +0000 Received: from DB8PR04MB6635.eurprd04.prod.outlook.com ([fe80::18c:1d00:b49e:f733]) by DB8PR04MB6635.eurprd04.prod.outlook.com ([fe80::18c:1d00:b49e:f733%7]) with mapi id 15.20.2856.019; Wed, 1 Apr 2020 14:20:22 +0000 From: Akhil Goyal <akhil.goyal@nxp.com> To: Adam Dybkowski <adamx.dybkowski@intel.com>, "dev@dpdk.org" <dev@dpdk.org>, "fiona.trahe@intel.com" <fiona.trahe@intel.com> Thread-Topic: [PATCH 1/2] drivers/qat: im buffer too small - split op Thread-Index: AQHV/URsbvII+ciRqUmf4kt5Lgu35ahkZpxA Date: Wed, 1 Apr 2020 14:20:22 +0000 Message-ID: <DB8PR04MB66354EDCC60CE952B6EFAF23E6C90@DB8PR04MB6635.eurprd04.prod.outlook.com> References: <20200318163349.1789-1-adamx.dybkowski@intel.com> In-Reply-To: <20200318163349.1789-1-adamx.dybkowski@intel.com> Accept-Language: en-IN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=akhil.goyal@nxp.com; x-originating-ip: [45.118.166.84] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 23e242ac-f258-43ba-4ba7-08d7d647d0ba x-ms-traffictypediagnostic: DB8PR04MB7178: x-microsoft-antispam-prvs: <DB8PR04MB717860E4BBA9603ABBDBB38AE6C90@DB8PR04MB7178.eurprd04.prod.outlook.com> x-ms-oob-tlc-oobclassifiers: OLM:8882; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 23e242ac-f258-43ba-4ba7-08d7d647d0ba X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Apr 2020 14:20:22.7507 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 7SEAcJiYTOV73QcPj+YaOGpefk84HsQxn+MXSLMh5Z2yywC3LtDZxSsIHbT8Q67v5aG/Zr1vPMQqdhnkGuo9lQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB7178 Subject: Re: [dpdk-dev] [PATCH 1/2] drivers/qat: im buffer too small - split op X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> Hi Fiona, Could you please review this patchset. >=20 > This patch implements a special way of buffer handling when internal > QAT IM buffer is too small for Huffman dynamic compression operation. > Instead of falling back to fixed compression, the operation is now > split into multiple smaller dynamic compression requests (possible to > execute on QAT) and their results are then combined and copied into > the output buffer. This is not possible if any checksum calculation > was requested - in such case the code falls back to fixed compression > as before. >=20 > Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com> > --- > drivers/common/qat/qat_qp.c | 231 ++++++++++++-- > drivers/common/qat/qat_qp.h | 7 + > drivers/compress/qat/qat_comp.c | 458 +++++++++++++++++++++++++--- > drivers/compress/qat/qat_comp.h | 22 +- > drivers/compress/qat/qat_comp_pmd.c | 24 +- > 5 files changed, 669 insertions(+), 73 deletions(-) >=20