From patchwork Sat Jun 1 18:53:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavan Nikhilesh Bhagavatula X-Patchwork-Id: 54048 X-Patchwork-Delegate: jerinj@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B3D471BACC; Sat, 1 Jun 2019 20:57:10 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 7399E1B9CE for ; Sat, 1 Jun 2019 20:56:33 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x51It8wo029949 for ; Sat, 1 Jun 2019 11:56:32 -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=pfpt0818; bh=rHBrgyFpUkswrNy8gh8WA8CBKZYtQAUsZGyqbm6D/WU=; b=mqGDWDJusbOEwdRxGLTQWx4iTm3Z6uV1/k0YviVuGrqOKJyLxEmV/BtOUVLf74B20QLX MA/MF6d8mA6P9zzYKtJNgG24t7WiKGOrc7HdqCbMaqrTfPQAsa9W4JIRJUOK5sDa57oD Bd9I6Uswcb1BbpXzXv+rMLz749bztzvaK34aC5Es9Kjfrv8ORRmGA2+F8Ce1SL86KshG orwOm9MhU5tbN+yZYNRmHQal6Gock+A87diw+q75z8gj7gtnhifO7EoQBTeaQdG4JKEU aYt3mnmou0f+vNGvuHLcHGPrkSniHYYDoPpOyi/RayVcpL6OL/5rIvGRMm2656sdwIpU Mg== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 2survk12hv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Sat, 01 Jun 2019 11:56:32 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Sat, 1 Jun 2019 11:56:31 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Sat, 1 Jun 2019 11:56:31 -0700 Received: from BG-LT7430.marvell.com (unknown [10.28.17.28]) by maili.marvell.com (Postfix) with ESMTP id 3EF1F3F7040; Sat, 1 Jun 2019 11:56:29 -0700 (PDT) From: To: , Pavan Nikhilesh CC: Date: Sun, 2 Jun 2019 00:23:46 +0530 Message-ID: <20190601185355.370-37-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190601185355.370-1-pbhagavatula@marvell.com> References: <20190601185355.370-1-pbhagavatula@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-01_13:, , signatures=0 Subject: [dpdk-dev] [PATCH 36/44] event/octeontx2: add TIM bucket operations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" From: Pavan Nikhilesh Add TIM bucket operations used for event timer arm and cancel. Signed-off-by: Pavan Nikhilesh --- drivers/event/octeontx2/Makefile | 1 + drivers/event/octeontx2/meson.build | 1 + drivers/event/octeontx2/otx2_tim_evdev.h | 28 ++++++ drivers/event/octeontx2/otx2_tim_worker.c | 7 ++ drivers/event/octeontx2/otx2_tim_worker.h | 111 ++++++++++++++++++++++ 5 files changed, 148 insertions(+) create mode 100644 drivers/event/octeontx2/otx2_tim_worker.c create mode 100644 drivers/event/octeontx2/otx2_tim_worker.h diff --git a/drivers/event/octeontx2/Makefile b/drivers/event/octeontx2/Makefile index 6f8d9fe2f..d01da6b11 100644 --- a/drivers/event/octeontx2/Makefile +++ b/drivers/event/octeontx2/Makefile @@ -32,6 +32,7 @@ LIBABIVER := 1 SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_worker_dual.c SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_worker.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_tim_worker.c SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_evdev.c SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_evdev_adptr.c SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_tim_evdev.c diff --git a/drivers/event/octeontx2/meson.build b/drivers/event/octeontx2/meson.build index c709b5e69..bdb5beed6 100644 --- a/drivers/event/octeontx2/meson.build +++ b/drivers/event/octeontx2/meson.build @@ -9,6 +9,7 @@ sources = files('otx2_worker.c', 'otx2_evdev_irq.c', 'otx2_evdev_selftest.c', 'otx2_tim_evdev.c', + 'otx2_tim_worker.c' ) allow_experimental_apis = true diff --git a/drivers/event/octeontx2/otx2_tim_evdev.h b/drivers/event/octeontx2/otx2_tim_evdev.h index 5d183b8b2..4034f1a8b 100644 --- a/drivers/event/octeontx2/otx2_tim_evdev.h +++ b/drivers/event/octeontx2/otx2_tim_evdev.h @@ -25,6 +25,34 @@ #define TIM_LF_RAS_INT_ENA_W1S (0x310) #define TIM_LF_RAS_INT_ENA_W1C (0x318) +#define TIM_CTL1_W0_S_BUCKET 20 +#define TIM_CTL1_W0_M_BUCKET ((1ull << (40 - 20)) - 1) + +#define TIM_BUCKET_W1_S_NUM_ENTRIES (0) /*Shift*/ +#define TIM_BUCKET_W1_M_NUM_ENTRIES ((1ull << (32 - 0)) - 1) +#define TIM_BUCKET_W1_S_SBT (32) +#define TIM_BUCKET_W1_M_SBT ((1ull << (33 - 32)) - 1) +#define TIM_BUCKET_W1_S_HBT (33) +#define TIM_BUCKET_W1_M_HBT ((1ull << (34 - 33)) - 1) +#define TIM_BUCKET_W1_S_BSK (34) +#define TIM_BUCKET_W1_M_BSK ((1ull << (35 - 34)) - 1) +#define TIM_BUCKET_W1_S_LOCK (40) +#define TIM_BUCKET_W1_M_LOCK ((1ull << (48 - 40)) - 1) +#define TIM_BUCKET_W1_S_CHUNK_REMAINDER (48) +#define TIM_BUCKET_W1_M_CHUNK_REMAINDER ((1ull << (64 - 48)) - 1) + +#define TIM_BUCKET_SEMA \ + (TIM_BUCKET_CHUNK_REMAIN) + +#define TIM_BUCKET_CHUNK_REMAIN \ + (TIM_BUCKET_W1_M_CHUNK_REMAINDER << TIM_BUCKET_W1_S_CHUNK_REMAINDER) + +#define TIM_BUCKET_LOCK \ + (TIM_BUCKET_W1_M_LOCK << TIM_BUCKET_W1_S_LOCK) + +#define TIM_BUCKET_SEMA_WLOCK \ + (TIM_BUCKET_CHUNK_REMAIN | (1ull << TIM_BUCKET_W1_S_LOCK)) + #define OTX2_MAX_TIM_RINGS (256) #define OTX2_TIM_MAX_BUCKETS (0xFFFFF) #define OTX2_TIM_RING_DEF_CHNK_SZ (4096) diff --git a/drivers/event/octeontx2/otx2_tim_worker.c b/drivers/event/octeontx2/otx2_tim_worker.c new file mode 100644 index 000000000..29ed1fd5a --- /dev/null +++ b/drivers/event/octeontx2/otx2_tim_worker.c @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include "otx2_tim_evdev.h" +#include "otx2_tim_worker.h" + diff --git a/drivers/event/octeontx2/otx2_tim_worker.h b/drivers/event/octeontx2/otx2_tim_worker.h new file mode 100644 index 000000000..ccb137d13 --- /dev/null +++ b/drivers/event/octeontx2/otx2_tim_worker.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#ifndef __OTX2_TIM_WORKER_H__ +#define __OTX2_TIM_WORKER_H__ + +#include "otx2_tim_evdev.h" + +static inline int16_t +tim_bkt_fetch_rem(uint64_t w1) +{ + return (w1 >> TIM_BUCKET_W1_S_CHUNK_REMAINDER) & + TIM_BUCKET_W1_M_CHUNK_REMAINDER; +} + +static inline int16_t +tim_bkt_get_rem(struct otx2_tim_bkt *bktp) +{ + return __atomic_load_n(&bktp->chunk_remainder, __ATOMIC_ACQUIRE); +} + +static inline void +tim_bkt_set_rem(struct otx2_tim_bkt *bktp, uint16_t v) +{ + __atomic_store_n(&bktp->chunk_remainder, v, __ATOMIC_RELAXED); +} + +static inline void +tim_bkt_sub_rem(struct otx2_tim_bkt *bktp, uint16_t v) +{ + __atomic_fetch_sub(&bktp->chunk_remainder, v, __ATOMIC_RELAXED); +} + +static inline uint8_t +tim_bkt_get_hbt(uint64_t w1) +{ + return (w1 >> TIM_BUCKET_W1_S_HBT) & TIM_BUCKET_W1_M_HBT; +} + +static inline uint8_t +tim_bkt_get_bsk(uint64_t w1) +{ + return (w1 >> TIM_BUCKET_W1_S_BSK) & TIM_BUCKET_W1_M_BSK; +} + +static inline uint64_t +tim_bkt_clr_bsk(struct otx2_tim_bkt *bktp) +{ + /* Clear everything except lock. */ + const uint64_t v = TIM_BUCKET_W1_M_LOCK << TIM_BUCKET_W1_S_LOCK; + + return __atomic_fetch_and(&bktp->w1, v, __ATOMIC_ACQ_REL); +} + +static inline uint64_t +tim_bkt_fetch_sema_lock(struct otx2_tim_bkt *bktp) +{ + return __atomic_fetch_add(&bktp->w1, TIM_BUCKET_SEMA_WLOCK, + __ATOMIC_ACQUIRE); +} + +static inline uint64_t +tim_bkt_fetch_sema(struct otx2_tim_bkt *bktp) +{ + return __atomic_fetch_add(&bktp->w1, TIM_BUCKET_SEMA, __ATOMIC_RELAXED); +} + +static inline uint64_t +tim_bkt_inc_lock(struct otx2_tim_bkt *bktp) +{ + const uint64_t v = 1ull << TIM_BUCKET_W1_S_LOCK; + + return __atomic_fetch_add(&bktp->w1, v, __ATOMIC_ACQUIRE); +} + +static inline void +tim_bkt_dec_lock(struct otx2_tim_bkt *bktp) +{ + __atomic_add_fetch(&bktp->lock, 0xff, __ATOMIC_RELEASE); +} + +static inline uint32_t +tim_bkt_get_nent(uint64_t w1) +{ + return (w1 >> TIM_BUCKET_W1_S_NUM_ENTRIES) & + TIM_BUCKET_W1_M_NUM_ENTRIES; +} + +static inline void +tim_bkt_inc_nent(struct otx2_tim_bkt *bktp) +{ + __atomic_add_fetch(&bktp->nb_entry, 1, __ATOMIC_RELAXED); +} + +static inline void +tim_bkt_add_nent(struct otx2_tim_bkt *bktp, uint32_t v) +{ + __atomic_add_fetch(&bktp->nb_entry, v, __ATOMIC_RELAXED); +} + +static inline uint64_t +tim_bkt_clr_nent(struct otx2_tim_bkt *bktp) +{ + const uint64_t v = ~(TIM_BUCKET_W1_M_NUM_ENTRIES << + TIM_BUCKET_W1_S_NUM_ENTRIES); + + return __atomic_and_fetch(&bktp->w1, v, __ATOMIC_ACQ_REL); +} + +#endif /* __OTX2_TIM_WORKER_H__ */