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GET /api/patches/42116/?format=api
{ "id": 42116, "url": "http://patchwork.dpdk.org/api/patches/42116/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/1530550631-22841-3-git-send-email-shally.verma@caviumnetworks.com/", "project": { "id": 1, "url": "http://patchwork.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": "<1530550631-22841-3-git-send-email-shally.verma@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1530550631-22841-3-git-send-email-shally.verma@caviumnetworks.com", "date": "2018-07-02T16:57:08", "name": "[v2,2/5] compress/zlib: add device setup PMD ops", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "b774fb66ae3b13bcad30be7d05a65738b53947cc", "submitter": { "id": 960, "url": "http://patchwork.dpdk.org/api/people/960/?format=api", "name": "Shally Verma", "email": "shally.verma@caviumnetworks.com" }, "delegate": { "id": 22, "url": "http://patchwork.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://patchwork.dpdk.org/project/dpdk/patch/1530550631-22841-3-git-send-email-shally.verma@caviumnetworks.com/mbox/", "series": [ { "id": 362, "url": "http://patchwork.dpdk.org/api/series/362/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=362", "date": "2018-07-02T16:57:06", "name": "compress: add ZLIB compression PMD", "version": 2, "mbox": "http://patchwork.dpdk.org/series/362/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/42116/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/42116/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 707C91B56B;\n\tMon, 2 Jul 2018 18:58:00 +0200 (CEST)", "from NAM01-BY2-obe.outbound.protection.outlook.com\n\t(mail-by2nam01on0061.outbound.protection.outlook.com [104.47.34.61])\n\tby dpdk.org (Postfix) with ESMTP id DE0441B571\n\tfor <dev@dpdk.org>; Mon, 2 Jul 2018 18:57:58 +0200 (CEST)", "from hyd1sverma-dt.caveonetworks.com (115.113.156.2) by\n\tCY4PR0701MB3635.namprd07.prod.outlook.com (2603:10b6:910:93::10) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.906.23;\n\tMon, 2 Jul 2018 16:57:55 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; 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"192M7Cj/IW9NTapTvHl7xMOZs1PWUfkr45Ab3xG/9Zo2NJsyWovzL0AObdOIsVVobUWlaYZb7v4+9nC8nMLpp83PK+5d+fIXyNUmKRTq9aKMHmAIB2bQm/ljIq1Zn3HOBlvZrZZl5Yy7kF6joc/xWe7fjM4aFy6emW2UH9C5EA2gFGM0RH9vuyJcLJm0H96JcuN2wlzM50HXJGYn7pN8P0R/qLMzV0qBaS6TIxl1HmCa6t4pkbl88RcxX8vrhNwyM+3sJCe4PalU+RzXJB+nSpAVeawogpY4F14PY41AxfDherucyu4XZhMfoa8kABpC9Pyq/ffLMs2cbakC/Mp7kxj27yePY6FIF6A7XCzxlV4=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "02 Jul 2018 16:57:55.6128\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "6c954a62-cfd8-4d65-3ada-08d5e03cf636", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CY4PR0701MB3635", "Subject": "[dpdk-dev] [PATCH v2 2/5] 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://mails.dpdk.org/options/dev>,\n\t<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>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Ashish Gupta <ashish.gupta@caviumnetworks.com>\n\nImplement 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/Makefile | 1 +\n drivers/compress/zlib/zlib_pmd.c | 2 +\n drivers/compress/zlib/zlib_pmd_ops.c | 236 +++++++++++++++++++++++++++++++\n drivers/compress/zlib/zlib_pmd_private.h | 34 +++++\n 4 files changed, 273 insertions(+)", "diff": "diff --git a/drivers/compress/zlib/Makefile b/drivers/compress/zlib/Makefile\nindex bd322c9..5cf8de6 100644\n--- a/drivers/compress/zlib/Makefile\n+++ b/drivers/compress/zlib/Makefile\n@@ -24,5 +24,6 @@ LDLIBS += -lrte_bus_vdev\n \n # library source files\n SRCS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += zlib_pmd.c\n+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += zlib_pmd_ops.c\n \n include $(RTE_SDK)/mk/rte.lib.mk\ndiff --git a/drivers/compress/zlib/zlib_pmd.c b/drivers/compress/zlib/zlib_pmd.c\nindex f667ccc..c4f67bb 100644\n--- a/drivers/compress/zlib/zlib_pmd.c\n+++ b/drivers/compress/zlib/zlib_pmd.c\n@@ -20,6 +20,8 @@ zlib_create(const char *name,\n \t\treturn -ENODEV;\n \t}\n \n+\tdev->dev_ops = rte_zlib_pmd_ops;\n+\n \tdev->feature_flags = RTE_COMP_FF_NONCOMPRESSED_BLOCKS;\n \n \treturn 0;\ndiff --git a/drivers/compress/zlib/zlib_pmd_ops.c b/drivers/compress/zlib/zlib_pmd_ops.c\nnew file mode 100644\nindex 0000000..03b6da5\n--- /dev/null\n+++ b/drivers/compress/zlib/zlib_pmd_ops.c\n@@ -0,0 +1,236 @@\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+\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.window_size = {\n+\t\t\t.min = 8,\n+\t\t\t.max = 15,\n+\t\t\t.increment = 1\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_lookup(internals->mp_name);\n+\tif (mp == NULL) {\n+\t\tmp = rte_mempool_create(internals->mp_name,\n+\t\t\t\tconfig->max_nb_priv_xforms +\n+\t\t\t\tconfig->max_nb_streams,\n+\t\t\t\tsizeof(struct zlib_priv_xform),\n+\t\t\t\t0, 0, NULL, NULL, NULL,\n+\t\t\t\tNULL, config->socket_id,\n+\t\t\t\t0);\n+\t\tif (mp == NULL) {\n+\t\t\tZLIB_PMD_ERR(\"Cannot create private xform pool on \"\n+\t\t\t\"socket %d\\n\", config->socket_id);\n+\t\t\treturn -ENOMEM;\n+\t\t}\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(__rte_unused struct rte_compressdev *dev)\n+{\n+}\n+\n+/** Close device */\n+static int\n+zlib_pmd_close(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+\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+\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}\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_PMD_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_PMD_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.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\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\nindex d4c80b1..dc83464 100644\n--- a/drivers/compress/zlib/zlib_pmd_private.h\n+++ b/drivers/compress/zlib/zlib_pmd_private.h\n@@ -30,4 +30,38 @@ struct zlib_private {\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+/** 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": [ "v2", "2/5" ] }