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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT021.mail.protection.outlook.com (10.13.173.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6319.22 via Frontend Transport; Wed, 19 Apr 2023 09:54:54 +0000 Received: from telco-siena.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 19 Apr 2023 04:54:40 -0500 From: Sivaprasad Tummala To: , , CC: Subject: [RFC PATCH 2/5] event/sw: support power monitor Date: Wed, 19 Apr 2023 02:54:24 -0700 Message-ID: <20230419095427.563185-2-sivaprasad.tummala@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230419095427.563185-1-sivaprasad.tummala@amd.com> References: <20230419095427.563185-1-sivaprasad.tummala@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT021:EE_|BL3PR12MB6618:EE_ X-MS-Office365-Filtering-Correlation-Id: d5af5a9c-05d1-451d-680e-08db40bc2038 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Apr 2023 09:54:54.0872 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d5af5a9c-05d1-451d-680e-08db40bc2038 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT021.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6618 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 Currently sw eventdev pmd does not support ``rte_power_monitor`` api. This patch adds support by adding monitor callback that is called whenever we enter sleep state and need to check if it is time to wake up. Signed-off-by: Sivaprasad Tummala --- drivers/event/sw/sw_evdev.c | 2 ++ drivers/event/sw/sw_evdev.h | 2 ++ drivers/event/sw/sw_evdev_worker.c | 27 +++++++++++++++++++++++++++ 3 files changed, 31 insertions(+) diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c index cfd659d774..448253cdc3 100644 --- a/drivers/event/sw/sw_evdev.c +++ b/drivers/event/sw/sw_evdev.c @@ -958,6 +958,8 @@ sw_probe(struct rte_vdev_device *vdev) .port_unlink = sw_port_unlink, .port_unlinks_in_progress = sw_port_unlinks_in_progress, + .get_monitor_addr = sw_event_get_monitor_addr, + .eth_rx_adapter_caps_get = sw_eth_rx_adapter_caps_get, .timer_adapter_caps_get = sw_timer_adapter_caps_get, diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h index c7b943a72b..26aa2fe283 100644 --- a/drivers/event/sw/sw_evdev.h +++ b/drivers/event/sw/sw_evdev.h @@ -312,6 +312,8 @@ int sw_xstats_reset(struct rte_eventdev *dev, int16_t queue_port_id, const uint64_t ids[], uint32_t nb_ids); +int sw_event_get_monitor_addr(void *port, + struct rte_power_monitor_cond *pmc); int test_sw_eventdev(void); diff --git a/drivers/event/sw/sw_evdev_worker.c b/drivers/event/sw/sw_evdev_worker.c index 063b919c7e..139c98cfe2 100644 --- a/drivers/event/sw/sw_evdev_worker.c +++ b/drivers/event/sw/sw_evdev_worker.c @@ -10,6 +10,33 @@ #define PORT_ENQUEUE_MAX_BURST_SIZE 64 +static int +sw_event_ring_monitor_callback(const uint64_t value, + const uint64_t arg[RTE_POWER_MONITOR_OPAQUE_SZ]) +{ + /* Check if the head pointer has changed */ + return value != arg[0]; +} + +int +sw_event_get_monitor_addr(void *port, struct rte_power_monitor_cond *pmc) +{ + struct sw_port *p = (void *)port; + struct rte_event_ring *ev_ring = p->cq_worker_ring; + struct rte_ring *rng = &ev_ring->r; + + /* + * Monitor event ring producer tail since if + * prod.tail moves there are events to dequeue + */ + pmc->addr = &rng->prod.tail; + pmc->size = sizeof(rng->prod.tail); + pmc->opaque[0] = rng->prod.tail; + pmc->fn = sw_event_ring_monitor_callback; + + return 0; +} + static inline void sw_event_release(struct sw_port *p, uint8_t index) {