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GET /api/patches/94643/?format=api
{ "id": 94643, "url": "https://patches.dpdk.org/api/patches/94643/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20210621150449.19070-19-tduszynski@marvell.com/", "project": { "id": 1, "url": "https://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": "<20210621150449.19070-19-tduszynski@marvell.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210621150449.19070-19-tduszynski@marvell.com", "date": "2021-06-21T15:04:35", "name": "[v3,18/32] common/cnxk: support for retrieving irq stack", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "d9df7a80bc7afb4892aa5f10d9f61e13c358e561", "submitter": { "id": 2215, "url": "https://patches.dpdk.org/api/people/2215/?format=api", "name": "Tomasz Duszynski", "email": "tduszynski@marvell.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20210621150449.19070-19-tduszynski@marvell.com/mbox/", "series": [ { "id": 17426, "url": "https://patches.dpdk.org/api/series/17426/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=17426", "date": "2021-06-21T15:04:17", "name": "add support for baseband phy", "version": 3, "mbox": "https://patches.dpdk.org/series/17426/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/94643/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/94643/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 30B04A0547;\n\tMon, 21 Jun 2021 17:07:15 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 48A5E41220;\n\tMon, 21 Jun 2021 17:05:55 +0200 (CEST)", "from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com\n [67.231.148.174])\n by mails.dpdk.org (Postfix) with ESMTP id A3A954121E\n for <dev@dpdk.org>; Mon, 21 Jun 2021 17:05:53 +0200 (CEST)", "from pps.filterd (m0045849.ppops.net [127.0.0.1])\n by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id\n 15LF5HT7008514; Mon, 21 Jun 2021 08:05:50 -0700", "from dc5-exch02.marvell.com ([199.233.59.182])\n by mx0a-0016f401.pphosted.com with ESMTP id 39aj2xja27-1\n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT);\n Mon, 21 Jun 2021 08:05:50 -0700", "from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com\n (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.18;\n Mon, 21 Jun 2021 08:05:49 -0700", "from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com\n (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.18 via Frontend\n Transport; Mon, 21 Jun 2021 08:05:49 -0700", "from EH-LT0048.marvell.com (unknown [10.193.32.52])\n by maili.marvell.com (Postfix) with ESMTP id B4D673F705B;\n Mon, 21 Jun 2021 08:05:46 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n h=from : to : cc :\n subject : date : message-id : in-reply-to : references : mime-version :\n content-transfer-encoding : content-type; s=pfpt0220;\n bh=WhfJ4gc3ber59JhA4L4aTxOt/U4vz6a7XZaVzAXjZSc=;\n b=UFJa77EAmAKzWGBwr4HTASFnsxXCimr6mGU1palRSnfZNNDd76yPtZVeScN4fskRoFYr\n IvK0Gfh/Sdk6wTXmtKEg5mIdvOZPekr5Vy1HZcY38ZyHK+Y2opoSYqEbxhPp3Cb698N9\n d3+WGMrcIdxd52kNd25tzZojEOAR5NWQfwVN5Qn5OvUmP/YkEKEkcyDS43CKSBDo5pLn\n U48L+lCM1Dg8Glgb9nB84JhfvpfXGADCTpdpoQvO8u1m/78Y5U1f4PHTg/cuRU75mqtO\n pFy7zgDkqKBAJWaUwlmrUXXRqSUfwVk277Y/ZqEp5GnMOTFrDgDvgGbHO+L8ATCrsge5 Fw==", "From": "Tomasz Duszynski <tduszynski@marvell.com>", "To": "Nithin Dabilpuram <ndabilpuram@marvell.com>, Kiran Kumar K\n <kirankumark@marvell.com>, Sunil Kumar Kori <skori@marvell.com>, Satha Rao\n <skoteshwar@marvell.com>, Ray Kinsella <mdr@ashroe.eu>, Neil Horman\n <nhorman@tuxdriver.com>", "CC": "<thomas@monjalon.net>, <dev@dpdk.org>, Tomasz Duszynski\n <tduszynski@marvell.com>, Jakub Palider <jpalider@marvell.com>, Jerin Jacob\n <jerinj@marvell.com>", "Date": "Mon, 21 Jun 2021 17:04:35 +0200", "Message-ID": "<20210621150449.19070-19-tduszynski@marvell.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210621150449.19070-1-tduszynski@marvell.com>", "References": "<20210531214142.30167-1-tduszynski@marvell.com>\n <20210621150449.19070-1-tduszynski@marvell.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Proofpoint-GUID": "X29aQMapzNRVNOtQ3cfUmt6hfV3lGh5m", "X-Proofpoint-ORIG-GUID": "X29aQMapzNRVNOtQ3cfUmt6hfV3lGh5m", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790\n definitions=2021-06-21_06:2021-06-21,\n 2021-06-21 signatures=0", "Subject": "[dpdk-dev] [PATCH v3 18/32] common/cnxk: support for retrieving irq\n stack", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Add support for retrieving irq stack. If stack does not exist\nthen it gets created.\n\nSigned-off-by: Jakub Palider <jpalider@marvell.com>\nSigned-off-by: Tomasz Duszynski <tduszynski@marvell.com>\nReviewed-by: Jerin Jacob <jerinj@marvell.com>\n---\n drivers/common/cnxk/roc_bphy_irq.c | 62 ++++++++++++++++++++++++++++++\n drivers/common/cnxk/roc_bphy_irq.h | 1 +\n drivers/common/cnxk/version.map | 1 +\n 3 files changed, 64 insertions(+)", "diff": "diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c\nindex bea2b7f73..04ad129ac 100644\n--- a/drivers/common/cnxk/roc_bphy_irq.c\n+++ b/drivers/common/cnxk/roc_bphy_irq.c\n@@ -2,12 +2,21 @@\n * Copyright(C) 2021 Marvell.\n */\n #include <fcntl.h>\n+#include <pthread.h>\n #include <sys/ioctl.h>\n+#include <sys/queue.h>\n #include <unistd.h>\n \n #include \"roc_api.h\"\n #include \"roc_bphy_irq.h\"\n \n+struct roc_bphy_irq_stack {\n+\tSTAILQ_ENTRY(roc_bphy_irq_stack) entries;\n+\tvoid *sp_buffer;\n+\tint cpu;\n+\tint inuse;\n+};\n+\n #define ROC_BPHY_MEMZONE_NAME \"roc_bphy_mz\"\n #define ROC_BPHY_CTR_DEV_PATH \"/dev/otx-bphy-ctr\"\n \n@@ -15,6 +24,12 @@\n #define ROC_BPHY_IOC_GET_BPHY_MAX_IRQ\t_IOR(ROC_BPHY_IOC_MAGIC, 3, uint64_t)\n #define ROC_BPHY_IOC_GET_BPHY_BMASK_IRQ _IOR(ROC_BPHY_IOC_MAGIC, 4, uint64_t)\n \n+static STAILQ_HEAD(slisthead, roc_bphy_irq_stack)\n+\tirq_stacks = STAILQ_HEAD_INITIALIZER(irq_stacks);\n+\n+/* Note: it is assumed that as for now there is no multiprocess support */\n+static pthread_mutex_t stacks_mutex = PTHREAD_MUTEX_INITIALIZER;\n+\n struct roc_bphy_irq_chip *\n roc_bphy_intr_init(void)\n {\n@@ -95,6 +110,53 @@ roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip)\n \tplt_free(irq_chip);\n }\n \n+void *\n+roc_bphy_irq_stack_get(int cpu)\n+{\n+#define ARM_STACK_ALIGNMENT (2 * sizeof(void *))\n+#define IRQ_ISR_STACK_SIZE 0x200000\n+\n+\tstruct roc_bphy_irq_stack *curr_stack;\n+\tvoid *retval = NULL;\n+\n+\tif (pthread_mutex_lock(&stacks_mutex))\n+\t\treturn NULL;\n+\n+\tSTAILQ_FOREACH(curr_stack, &irq_stacks, entries) {\n+\t\tif (curr_stack->cpu == cpu) {\n+\t\t\tcurr_stack->inuse++;\n+\t\t\tretval = ((char *)curr_stack->sp_buffer) +\n+\t\t\t\t IRQ_ISR_STACK_SIZE;\n+\t\t\tgoto found_stack;\n+\t\t}\n+\t}\n+\n+\tcurr_stack = plt_zmalloc(sizeof(struct roc_bphy_irq_stack), 0);\n+\tif (curr_stack == NULL)\n+\t\tgoto err_stack;\n+\n+\tcurr_stack->sp_buffer =\n+\t\tplt_zmalloc(IRQ_ISR_STACK_SIZE * 2, ARM_STACK_ALIGNMENT);\n+\tif (curr_stack->sp_buffer == NULL)\n+\t\tgoto err_buffer;\n+\n+\tcurr_stack->cpu = cpu;\n+\tcurr_stack->inuse = 0;\n+\tSTAILQ_INSERT_TAIL(&irq_stacks, curr_stack, entries);\n+\tretval = ((char *)curr_stack->sp_buffer) + IRQ_ISR_STACK_SIZE;\n+\n+found_stack:\n+\tpthread_mutex_unlock(&stacks_mutex);\n+\treturn retval;\n+\n+err_buffer:\n+\tplt_free(curr_stack);\n+\n+err_stack:\n+\tpthread_mutex_unlock(&stacks_mutex);\n+\treturn NULL;\n+}\n+\n bool\n roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num)\n {\ndiff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h\nindex f481f4456..e66b2aa7c 100644\n--- a/drivers/common/cnxk/roc_bphy_irq.h\n+++ b/drivers/common/cnxk/roc_bphy_irq.h\n@@ -23,6 +23,7 @@ struct roc_bphy_irq_chip {\n \n __roc_api struct roc_bphy_irq_chip *roc_bphy_intr_init(void);\n __roc_api void roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip);\n+__roc_api void *roc_bphy_irq_stack_get(int cpu);\n __roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip,\n \t\t\t\t int irq_num);\n \ndiff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map\nindex 427321c41..542364926 100644\n--- a/drivers/common/cnxk/version.map\n+++ b/drivers/common/cnxk/version.map\n@@ -25,6 +25,7 @@ INTERNAL {\n \troc_bphy_intr_available;\n \troc_bphy_intr_fini;\n \troc_bphy_intr_init;\n+\troc_bphy_irq_stack_get;\n \troc_clk_freq_get;\n \troc_error_msg_get;\n \troc_idev_lmt_base_addr_get;\n", "prefixes": [ "v3", "18/32" ] }