From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42GL0c6bjCzF3NZ for ; Fri, 21 Sep 2018 01:16:16 +1000 (AEST) From: Madalin Bucur To: leoyang.li@nxp.com Cc: roy.pledge@nxp.com, claudiu.manoil@nxp.com, catalin.marinas@arm.com, oss@buserror.net, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Madalin Bucur Subject: [PATCH 4/4] soc/fsl_qbman: export coalesce change API Date: Thu, 20 Sep 2018 18:06:51 +0300 Message-Id: <1537456011-10769-5-git-send-email-madalin.bucur@nxp.com> In-Reply-To: <1537456011-10769-1-git-send-email-madalin.bucur@nxp.com> References: <1537456011-10769-1-git-send-email-madalin.bucur@nxp.com> Reply-to: madalin.bucur@nxp.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Allow changing the QMan portal interrupt coalescing settings. Signed-off-by: Madalin Bucur --- drivers/soc/fsl/qbman/qman.c | 31 +++++++++++++++++++++++++++++++ include/soc/fsl/qman.h | 27 +++++++++++++++++++++++++++ 2 files changed, 58 insertions(+) diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index 7f4c57999e08..c270471a6e47 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -1011,6 +1011,37 @@ static inline void put_affine_portal(void) static struct workqueue_struct *qm_portal_wq; +void qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh) +{ + if (!portal) + return; + + qm_dqrr_set_ithresh(&portal->p, ithresh); + portal->p.dqrr.ithresh = ithresh; +} +EXPORT_SYMBOL(qman_dqrr_set_ithresh); + +void qman_dqrr_get_ithresh(struct qman_portal *portal, u8 *ithresh) +{ + if (portal && ithresh) + *ithresh = portal->p.dqrr.ithresh; +} +EXPORT_SYMBOL(qman_dqrr_get_ithresh); + +void qman_portal_get_iperiod(struct qman_portal *portal, u32 *iperiod) +{ + if (portal && iperiod) + *iperiod = qm_in(&portal->p, QM_REG_ITPR); +} +EXPORT_SYMBOL(qman_portal_get_iperiod); + +void qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod) +{ + if (portal) + qm_out(&portal->p, QM_REG_ITPR, iperiod); +} +EXPORT_SYMBOL(qman_portal_set_iperiod); + int qman_wq_alloc(void) { qm_portal_wq = alloc_workqueue("qman_portal_wq", 0, 1); diff --git a/include/soc/fsl/qman.h b/include/soc/fsl/qman.h index d4dfefdee6c1..42f50eb51529 100644 --- a/include/soc/fsl/qman.h +++ b/include/soc/fsl/qman.h @@ -1186,4 +1186,31 @@ int qman_alloc_cgrid_range(u32 *result, u32 count); */ int qman_release_cgrid(u32 id); +/** + * qman_dqrr_get_ithresh - Get coalesce interrupt threshold + * @portal: portal to get the value for + * @ithresh: threshold pointer + */ +void qman_dqrr_get_ithresh(struct qman_portal *portal, u8 *ithresh); + +/** + * qman_dqrr_set_ithresh - Set coalesce interrupt threshold + * @portal: portal to set the new value on + * @ithresh: new threshold value + */ +void qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh); + +/** + * qman_dqrr_get_iperiod - Get coalesce interrupt period + * @portal: portal to get the value for + * @iperiod: period pointer + */ +void qman_portal_get_iperiod(struct qman_portal *portal, u32 *iperiod); +/* + * qman_dqrr_set_iperiod - Set coalesce interrupt period + * @portal: portal to set the new value on + * @ithresh: new period value + */ +void qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod); + #endif /* __FSL_QMAN_H */ -- 2.1.0