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Update a patch.
GET /api/patches/40044/?format=api
{ "id": 40044, "url": "http://patches.dpdk.org/api/patches/40044/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1526380346-7386-3-git-send-email-shally.verma@caviumnetworks.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1526380346-7386-3-git-send-email-shally.verma@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1526380346-7386-3-git-send-email-shally.verma@caviumnetworks.com", "date": "2018-05-15T10:32:22", "name": "[dpdk-dev,v1,2/6] compress/zlib: add device setup PMD ops", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "200b644cee42a487df9b94af6e4849544382e549", "submitter": { "id": 960, "url": "http://patches.dpdk.org/api/people/960/?format=api", "name": "Shally Verma", "email": "shally.verma@caviumnetworks.com" }, "delegate": { "id": 22, "url": "http://patches.dpdk.org/api/users/22/?format=api", "username": "pdelarag", "first_name": "Pablo", "last_name": "de Lara Guarch", "email": "pablo.de.lara.guarch@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1526380346-7386-3-git-send-email-shally.verma@caviumnetworks.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/40044/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/40044/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id B90071BA05;\n\tTue, 15 May 2018 12:33:04 +0200 (CEST)", "from NAM02-SN1-obe.outbound.protection.outlook.com\n\t(mail-sn1nam02on0061.outbound.protection.outlook.com [104.47.36.61])\n\tby dpdk.org (Postfix) with ESMTP id C88377D08\n\tfor <dev@dpdk.org>; Tue, 15 May 2018 12:33:02 +0200 (CEST)", "from hyd1sverma-dt.caveonetworks.com (115.113.156.2) by\n\tSN4PR0701MB3646.namprd07.prod.outlook.com (2603:10b6:803:4d::12) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.755.16;\n\tTue, 15 May 2018 10:32:59 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=d8cE6D4fp0fGNm+AGC0mikFsCg+urXzYZofajM8Ml68=;\n\tb=LgYNn0PyyBTsze1NACh4C2dP0l+QN+t+c2qVU0Buwz70ompHC23cFq2byI2ROyv7zue9YEiO/QtXVVFKrJYW61THWSC3HWQ7WeQC5gSTMbRIXqlGCigZp+bL4YKYDiljg7sH6PpEQGCsAh19C0lwMPeIcwRdiqH4X9KfU5FHEKs=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Shally.Verma@cavium.com; ", "From": "Shally Verma <shally.verma@caviumnetworks.com>", "To": "pablo.de.lara.guarch@intel.com", "Cc": "fiona.trahe@intel.com, dev@dpdk.org, pathreay@caviumnetworks.com,\n\tSunila Sahu <sunila.sahu@caviumnetworks.com>,\n\tAshish Gupta <ashish.gupta@caviumnetworks.com>", "Date": "Tue, 15 May 2018 16:02:22 +0530", "Message-Id": "<1526380346-7386-3-git-send-email-shally.verma@caviumnetworks.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1526380346-7386-1-git-send-email-shally.verma@caviumnetworks.com>", "References": "<1526380346-7386-1-git-send-email-shally.verma@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[115.113.156.2]", "X-ClientProxiedBy": "BMXPR01CA0033.INDPRD01.PROD.OUTLOOK.COM\n\t(2603:1096:b00:c::19) To SN4PR0701MB3646.namprd07.prod.outlook.com\n\t(2603:10b6:803:4d::12)", "X-MS-PublicTrafficType": "Email", "X-Microsoft-Antispam": "UriScan:; BCL:0; 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"DSoR0xlb+wfK8e87qQdRNCzf0uk2TCRnz9n1jDqE1RNggBHUD8cw2dWFpszbH/8n+5aDORhkV16tCZbE4bah6C7uSLV1DRSvEv+bxvOeRk4Gnnoxn3d0DlLD7o6uHFSqcQm5D0zegXsHZly81AsbE7F3Rtxu/EZ9GhQqURbYrUTwRMHT2PD0f2vDkXraL/x9", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Office365-Filtering-Correlation-Id": "c8e4fc17-087b-4f23-a211-08d5ba4f3bff", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "15 May 2018 10:32:59.2397\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "c8e4fc17-087b-4f23-a211-08d5ba4f3bff", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SN4PR0701MB3646", "Subject": "[dpdk-dev] [PATCH v1 2/6] compress/zlib: add device setup PMD ops", "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://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Implement device configure and PMD ops\n\nSigned-off-by: Sunila Sahu <sunila.sahu@caviumnetworks.com>\nSigned-off-by: Shally Verma <shally.verma@caviumnetworks.com>\nSigned-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>\n---\n drivers/compress/zlib/zlib_pmd_ops.c | 238 +++++++++++++++++++++++++++++++\n drivers/compress/zlib/zlib_pmd_private.h | 77 ++++++++++\n 2 files changed, 315 insertions(+)", "diff": "diff --git a/drivers/compress/zlib/zlib_pmd_ops.c b/drivers/compress/zlib/zlib_pmd_ops.c\nnew file mode 100644\nindex 0000000..0bd42f3\n--- /dev/null\n+++ b/drivers/compress/zlib/zlib_pmd_ops.c\n@@ -0,0 +1,238 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2018 Cavium Networks\n+ */\n+\n+#include <string.h>\n+\n+#include <rte_common.h>\n+#include <rte_malloc.h>\n+#include <rte_compressdev_pmd.h>\n+\n+#include \"zlib_pmd_private.h\"\n+\n+static const struct rte_compressdev_capabilities zlib_pmd_capabilities[] = {\n+\t{ /* Deflate */\n+\t\t.algo = RTE_COMP_ALGO_DEFLATE,\n+\t\t.comp_feature_flags = RTE_COMP_FF_SHAREABLE_PRIV_XFORM,\n+\t\t.window_size = {\n+\t\t\t.min = 8,\n+\t\t\t.max = 15,\n+\t\t\t.increment = 2\n+\t\t},\n+\t},\n+\n+\tRTE_COMP_END_OF_CAPABILITIES_LIST()\n+\n+};\n+\n+/** Configure device */\n+static int\n+zlib_pmd_config(struct rte_compressdev *dev,\n+\t\tstruct rte_compressdev_config *config)\n+{\n+\tstruct rte_mempool *mp;\n+\n+\tstruct zlib_private *internals = dev->data->dev_private;\n+\tsnprintf(internals->mp_name, RTE_MEMPOOL_NAMESIZE,\n+\t\t\t\"stream_mp_%u\", dev->data->dev_id);\n+\tmp = rte_mempool_create(internals->mp_name,\n+\t\t\tconfig->max_nb_priv_xforms + config->max_nb_streams,\n+\t\t\tsizeof(struct zlib_priv_xform),\n+\t\t\t0, 0, NULL, NULL, NULL,\n+\t\t\tNULL, config->socket_id,\n+\t\t\t0);\n+\tif (mp == NULL) {\n+\t\tZLIB_LOG_ERR(\"Cannot create private xform pool on socket %d\\n\",\n+\t\t\t\tconfig->socket_id);\n+\t\treturn -ENOMEM;\n+\t}\n+\treturn 0;\n+}\n+\n+/** Start device */\n+static int\n+zlib_pmd_start(__rte_unused struct rte_compressdev *dev)\n+{\n+\treturn 0;\n+}\n+\n+/** Stop device */\n+static void\n+zlib_pmd_stop(struct rte_compressdev *dev)\n+{\n+\tstruct zlib_private *internals = dev->data->dev_private;\n+\tstruct rte_mempool *mp = rte_mempool_lookup(internals->mp_name);\n+\trte_mempool_free(mp);\n+}\n+\n+/** Close device */\n+static int\n+zlib_pmd_close(__rte_unused struct rte_compressdev *dev)\n+{\n+\treturn 0;\n+}\n+\n+/** Get device statistics */\n+static void\n+zlib_pmd_stats_get(struct rte_compressdev *dev,\n+\t\tstruct rte_compressdev_stats *stats)\n+{\n+\tint qp_id;\n+\n+\tfor (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {\n+\t\tstruct zlib_qp *qp = dev->data->queue_pairs[qp_id];\n+\n+\t\tstats->enqueued_count += qp->qp_stats.enqueued_count;\n+\t\tstats->dequeued_count += qp->qp_stats.dequeued_count;\n+\n+\t\tstats->enqueue_err_count += qp->qp_stats.enqueue_err_count;\n+\t\tstats->dequeue_err_count += qp->qp_stats.dequeue_err_count;\n+\t}\n+}\n+\n+/** Reset device statistics */\n+static void\n+zlib_pmd_stats_reset(struct rte_compressdev *dev)\n+{\n+\tint qp_id;\n+\n+\tfor (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {\n+\t\tstruct zlib_qp *qp = dev->data->queue_pairs[qp_id];\n+\n+\t\tmemset(&qp->qp_stats, 0, sizeof(qp->qp_stats));\n+\t}\n+}\n+\n+/** Get device info */\n+static void\n+zlib_pmd_info_get(struct rte_compressdev *dev,\n+\t\tstruct rte_compressdev_info *dev_info)\n+{\n+\tstruct zlib_private *internals = dev->data->dev_private;\n+\n+\tif (dev_info != NULL) {\n+\t\tdev_info->driver_name = dev->device->name;\n+\t\tdev_info->feature_flags = dev->feature_flags;\n+\t\tdev_info->capabilities = zlib_pmd_capabilities;\n+\t\tdev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;\n+\t}\n+}\n+\n+/** Release queue pair */\n+static int\n+zlib_pmd_qp_release(struct rte_compressdev *dev, uint16_t qp_id)\n+{\n+\tstruct zlib_qp *qp = dev->data->queue_pairs[qp_id];\n+\tstruct rte_ring *r = NULL;\n+\n+\tif (qp != NULL) {\n+\t\tr = rte_ring_lookup(qp->name);\n+\t\tif (r)\n+\t\t\trte_ring_free(r);\n+\t\trte_free(qp);\n+\t\tdev->data->queue_pairs[qp_id] = NULL;\n+\t}\n+\treturn 0;\n+}\n+\n+/** set a unique name for the queue pair based on it's name, dev_id and qp_id */\n+static int\n+zlib_pmd_qp_set_unique_name(struct rte_compressdev *dev,\n+\t\tstruct zlib_qp *qp)\n+{\n+\tunsigned int n = snprintf(qp->name, sizeof(qp->name),\n+\t\t\t\t\"zlib_pmd_%u_qp_%u\",\n+\t\t\t\tdev->data->dev_id, qp->id);\n+\n+\tif (n >= sizeof(qp->name))\n+\t\treturn -1;\n+\n+\treturn 0;\n+}\n+\n+/** Create a ring to place process packets on */\n+static struct rte_ring *\n+zlib_pmd_qp_create_processed_pkts_ring(struct zlib_qp *qp,\n+\t\tunsigned int ring_size, int socket_id)\n+{\n+\tstruct rte_ring *r;\n+\n+\tr = rte_ring_lookup(qp->name);\n+\tif (r) {\n+\t\tif (rte_ring_get_size(r) >= ring_size) {\n+\t\t\tZLIB_LOG_INFO(\"Reusing existing ring %s for processed\"\n+\t\t\t\t\t\" packets\", qp->name);\n+\t\t\treturn r;\n+\t\t}\n+\n+\t\tZLIB_LOG_ERR(\"Unable to reuse existing ring %s for processed\"\n+\t\t\t\t\" packets\", qp->name);\n+\t\treturn NULL;\n+\t}\n+\n+\treturn rte_ring_create(qp->name, ring_size, socket_id,\n+\t\t\t\t\t\tRING_F_EXACT_SZ);\n+}\n+\n+/** Setup a queue pair */\n+static int\n+zlib_pmd_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,\n+\t\tuint32_t max_inflight_ops, int socket_id)\n+{\n+\tstruct zlib_qp *qp = NULL;\n+\n+\t/* Free memory prior to re-allocation if needed. */\n+\tif (dev->data->queue_pairs[qp_id] != NULL)\n+\t\tzlib_pmd_qp_release(dev, qp_id);\n+\n+\t/* Allocate the queue pair data structure. */\n+\tqp = rte_zmalloc_socket(\"ZLIB PMD Queue Pair\", sizeof(*qp),\n+\t\t\t\t\tRTE_CACHE_LINE_SIZE, socket_id);\n+\tif (qp == NULL)\n+\t\treturn (-ENOMEM);\n+\n+\tqp->id = qp_id;\n+\tdev->data->queue_pairs[qp_id] = qp;\n+\n+\tif (zlib_pmd_qp_set_unique_name(dev, qp))\n+\t\tgoto qp_setup_cleanup;\n+\n+\tqp->processed_pkts = zlib_pmd_qp_create_processed_pkts_ring(qp,\n+\t\t\tmax_inflight_ops, socket_id);\n+\tif (qp->processed_pkts == NULL)\n+\t\tgoto qp_setup_cleanup;\n+\n+\tmemset(&qp->qp_stats, 0, sizeof(qp->qp_stats));\n+\treturn 0;\n+\n+qp_setup_cleanup:\n+\tif (qp) {\n+\t\trte_free(qp);\n+\t\tqp = NULL;\n+\t}\n+\treturn -1;\n+}\n+\n+struct rte_compressdev_ops zlib_pmd_ops = {\n+\t\t.dev_configure\t\t= zlib_pmd_config,\n+\t\t.dev_start\t\t= zlib_pmd_start,\n+\t\t.dev_stop\t\t= zlib_pmd_stop,\n+\t\t.dev_close\t\t= zlib_pmd_close,\n+\n+\t\t.stats_get\t\t= zlib_pmd_stats_get,\n+\t\t.stats_reset\t\t= zlib_pmd_stats_reset,\n+\n+\t\t.dev_infos_get\t\t= zlib_pmd_info_get,\n+\n+\t\t/* TODO:Check if no q-pair count needed*/\n+\t\t.queue_pair_setup\t= zlib_pmd_qp_setup,\n+\t\t.queue_pair_release\t= zlib_pmd_qp_release,\n+\n+\t\t.private_xform_create\t= NULL,\n+\t\t.private_xform_free\t= NULL,\n+\n+\t\t.stream_create\t= NULL,\n+\t\t.stream_free\t= NULL\n+};\n+\n+struct rte_compressdev_ops *rte_zlib_pmd_ops = &zlib_pmd_ops;\ndiff --git a/drivers/compress/zlib/zlib_pmd_private.h b/drivers/compress/zlib/zlib_pmd_private.h\nnew file mode 100644\nindex 0000000..d29dc59\n--- /dev/null\n+++ b/drivers/compress/zlib/zlib_pmd_private.h\n@@ -0,0 +1,77 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2017-2018 Cavium Networks\n+ */\n+\n+#ifndef _RTE_ZLIB_PMD_PRIVATE_H_\n+#define _RTE_ZLIB_PMD_PRIVATE_H_\n+\n+#include <zlib.h>\n+#include <rte_comp.h>\n+#include <rte_compressdev.h>\n+#include <rte_compressdev_pmd.h>\n+\n+#define COMPRESSDEV_NAME_ZLIB_PMD\tcompress_zlib\n+/**< ZLIB PMD device name */\n+\n+#define ZLIB_PMD_MAX_NB_QUEUE_PAIRS\t1\n+/**< ZLIB PMD specified queue pairs */\n+\n+#define DEF_MEM_LEVEL\t\t\t8\n+\n+int zlib_logtype_driver;\n+#define ZLIB_LOG(level, fmt, args...) \\\n+\trte_log(RTE_LOG_ ## level, zlib_logtype_driver, \"%s(): \"fmt \"\\n\", \\\n+\t\t\t__func__, ##args)\n+\n+#define ZLIB_LOG_INFO(fmt, args...) \\\n+\tZLIB_LOG(INFO, fmt, ## args)\n+#define ZLIB_LOG_ERR(fmt, args...) \\\n+\tZLIB_LOG(ERR, fmt, ## args)\n+#define ZLIB_LOG_WARN(fmt, args...) \\\n+\tZLIB_LOG(WARNING, fmt, ## args)\n+\n+struct zlib_private {\n+\tuint32_t max_nb_queue_pairs;\n+\tchar mp_name[RTE_MEMPOOL_NAMESIZE];\n+};\n+\n+struct zlib_qp {\n+\tstruct rte_ring *processed_pkts;\n+\t/**< Ring for placing process packets */\n+\tstruct rte_compressdev_stats qp_stats;\n+\t/**< Queue pair statistics */\n+\tuint16_t id;\n+\t/**< Queue Pair Identifier */\n+\tchar name[RTE_COMPRESSDEV_NAME_MAX_LEN];\n+\t/**< Unique Queue Pair Name */\n+} __rte_cache_aligned;\n+\n+/* Algorithm handler function prototype */\n+typedef void (*comp_func_t)(struct rte_comp_op *op, z_stream *strm);\n+\n+typedef int (*comp_free_t)(z_stream *strm);\n+\n+/** ZLIB Stream structure */\n+struct zlib_stream {\n+\tz_stream strm;\n+\t/**< zlib stream structure */\n+\tcomp_func_t comp;\n+\t/**< Operation (compression/decompression) */\n+\tcomp_free_t free;\n+\t/**< Free Operation (compression/decompression) */\n+} __rte_cache_aligned;\n+\n+/** ZLIB private xform structure */\n+struct zlib_priv_xform {\n+\tstruct zlib_stream stream;\n+} __rte_cache_aligned;\n+\n+/** Set ZLIB compression private-xform/Stream parameters */\n+extern int\n+zlib_set_stream_parameters(const struct rte_comp_xform *xform,\n+\tstruct zlib_stream *stream);\n+\n+/** Device specific operations function pointer structure */\n+extern struct rte_compressdev_ops *rte_zlib_pmd_ops;\n+\n+#endif /* _RTE_ZLIB_PMD_PRIVATE_H_ */\n", "prefixes": [ "dpdk-dev", "v1", "2/6" ] }