From patchwork Tue Jun 15 11:03:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Duszynski X-Patchwork-Id: 94234 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: 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]) by inbox.dpdk.org (Postfix) with ESMTP id 92642A0C47; Tue, 15 Jun 2021 13:06:06 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C3A6941166; Tue, 15 Jun 2021 13:04:39 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id 3807341166 for ; Tue, 15 Jun 2021 13:04:38 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15FAxxdg011583; Tue, 15 Jun 2021 04:04:35 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=aSUqBeEQDPptPs7F1m3BUvFUf0SaUsEo7XrbZ62THR8=; b=H0GiD8PYNXFkLF4gecuWBv5plsJgoynMo9ISDz6UhYHAg8RLpW8k5fwjzQBiiptRZFXt 9FGTv8s6JhU10gcLlMm2awfOTl/dq4WPnMIXrlG8yPcjtvFP3n8O5u/2CVAilwxAbAsr cekY6IhdK9+hfp5ZikBVb1vnMI3d9FVZDtYaBV3MV4eDaJ/V+TBEbKh/x83zOMtyuu/2 IlUC0vS27Q+d3qtKA+S+DJNPc7lVLQuRfeZ9stABZF3jJ4Xq8GXkqNMNJydOs2AP18Sn 56G3iBKl12enEVu4SE3uDHiXfhThHoBl4zrg/UMvx79ot//40XzM/5jUgU64AULCO6zI Kw== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 396tagr52r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 15 Jun 2021 04:04:35 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 15 Jun 2021 04:04:33 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 15 Jun 2021 04:04:33 -0700 Received: from EH-LT0048.marvell.com (unknown [10.193.32.52]) by maili.marvell.com (Postfix) with ESMTP id 355C63F708E; Tue, 15 Jun 2021 04:04:31 -0700 (PDT) From: Tomasz Duszynski To: Nithin Dabilpuram , Kiran Kumar K , Sunil Kumar Kori , Satha Rao , Ray Kinsella , Neil Horman CC: , Tomasz Duszynski , Jakub Palider Date: Tue, 15 Jun 2021 13:03:32 +0200 Message-ID: <20210615110345.11057-20-tduszynski@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210615110345.11057-1-tduszynski@marvell.com> References: <20210531214142.30167-1-tduszynski@marvell.com> <20210615110345.11057-1-tduszynski@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: ZfHRryls33HKXXwYJAg0XaSUxnMAGTne X-Proofpoint-GUID: ZfHRryls33HKXXwYJAg0XaSUxnMAGTne X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-06-15_04:2021-06-14, 2021-06-15 signatures=0 Subject: [dpdk-dev] [PATCH v2 19/32] common/cnxk: support for removing irq stack X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support for removing existing irq stack. Signed-off-by: Jakub Palider Signed-off-by: Tomasz Duszynski --- drivers/common/cnxk/roc_bphy_irq.c | 30 ++++++++++++++++++++++++++++++ drivers/common/cnxk/roc_bphy_irq.h | 1 + drivers/common/cnxk/version.map | 1 + 3 files changed, 32 insertions(+) diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c index 04ad129ac..a90c055ff 100644 --- a/drivers/common/cnxk/roc_bphy_irq.c +++ b/drivers/common/cnxk/roc_bphy_irq.c @@ -110,6 +110,36 @@ roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip) plt_free(irq_chip); } +void +roc_bphy_irq_stack_remove(int cpu) +{ + struct roc_bphy_irq_stack *curr_stack; + + if (pthread_mutex_lock(&stacks_mutex)) + return; + + STAILQ_FOREACH(curr_stack, &irq_stacks, entries) { + if (curr_stack->cpu == cpu) + break; + } + + if (curr_stack == NULL) + goto leave; + + if (curr_stack->inuse > 0) + curr_stack->inuse--; + + if (curr_stack->inuse == 0) { + STAILQ_REMOVE(&irq_stacks, curr_stack, roc_bphy_irq_stack, + entries); + plt_free(curr_stack->sp_buffer); + plt_free(curr_stack); + } + +leave: + pthread_mutex_unlock(&stacks_mutex); +} + void * roc_bphy_irq_stack_get(int cpu) { diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h index e66b2aa7c..549a84a7d 100644 --- a/drivers/common/cnxk/roc_bphy_irq.h +++ b/drivers/common/cnxk/roc_bphy_irq.h @@ -23,6 +23,7 @@ struct roc_bphy_irq_chip { __roc_api struct roc_bphy_irq_chip *roc_bphy_intr_init(void); __roc_api void roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip); +__roc_api void roc_bphy_irq_stack_remove(int cpu); __roc_api void *roc_bphy_irq_stack_get(int cpu); __roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num); diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map index 542364926..78601fe31 100644 --- a/drivers/common/cnxk/version.map +++ b/drivers/common/cnxk/version.map @@ -26,6 +26,7 @@ INTERNAL { roc_bphy_intr_fini; roc_bphy_intr_init; roc_bphy_irq_stack_get; + roc_bphy_irq_stack_remove; roc_clk_freq_get; roc_error_msg_get; roc_idev_lmt_base_addr_get;