From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UPPERCASE_50_75,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EB86C433E0 for ; Tue, 16 Jun 2020 06:14:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D84992074D for ; Tue, 16 Jun 2020 06:14:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YKop8COr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727905AbgFPGOZ (ORCPT ); Tue, 16 Jun 2020 02:14:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727054AbgFPGNm (ORCPT ); Tue, 16 Jun 2020 02:13:42 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CC7CC05BD43 for ; Mon, 15 Jun 2020 23:13:41 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id e1so19441598wrt.5 for ; Mon, 15 Jun 2020 23:13:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QzwpjUlStGFh9vQc8qqG1fW1x83wdzxqePQHAKluHfs=; b=YKop8COrLC3QBJhHb3LzsX6BbngMzMP4UXvwC5YpuLvt3tW09DefuruU1Kkc2+oOMk kbJZr7r0KcpGAyA3tx+fhwm5ppaMdof9EtvtE/OMWxhLaQzZco3ORiRro7mti16KK9yb D7dMN1TDNDZvEljyEchn+IAuSO6/tMpX0fAe3fNXNsoPLP+nqn/133j2yxR/kYrtnSt2 a8V1KsbiVkGk1rwtV76gVZGG9cBeTyodqqUJRH0kccCrPjTnIhCTp5EgiXsMPytNtxG6 VznSA+PADgVzB4lTw292KHalK4sdhWbooIdUBSNJYdwlHTsL+hUR9Icq5Bc3ka2iOutr HIYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=QzwpjUlStGFh9vQc8qqG1fW1x83wdzxqePQHAKluHfs=; b=rpy6yGjh+b0nC4ahBaKhFbdYF4HRdUcyEbrJTfeBMVY0/UvEflOLIiiyXggJCsPGNB Qcaoqtz2a08Kn1sbn6s9EKC1guC9KRm/aNbT4xTCFnyJnQtNZeZSTx2b2w8GVmwHIf4s y571TR/RPMp7QZ1T5rKLDVZk74v/RR/gAfj3Z1NGmbr5iK/3Dd9OwKlGw1W3Xo1A/mLO UoI5KK412Eev5y8oY0jVn9aUYfg2ajybGmfNmGIvI+12wNj7e5tISmUAC0qNffeSPAxl LqIKJ4aNCkH9bLylgP6YiSD06Sht9fCc7djCKCjJtdEzVCSJ9aaPnMm2sZgrQw5V/3bw hBlQ== X-Gm-Message-State: AOAM530Psw98hG7zoAextslN04FrcOb/OVgD/t9cL21XBjUpjkVSd8RP nAYUnNRW51Xhl9EnqUoKDDIz192BK08= X-Google-Smtp-Source: ABdhPJzLHbPAOJG10FLI30D96d3W/rgLvQxGAY0iytHxAdaE5wGf8j4+t30zkT0YNO7tKPmznSjZAA== X-Received: by 2002:a5d:69ca:: with SMTP id s10mr1271193wrw.203.1592288019977; Mon, 15 Jun 2020 23:13:39 -0700 (PDT) Received: from ODED-MAIN.localdomain ([87.71.142.251]) by smtp.gmail.com with ESMTPSA id s2sm2354963wmh.15.2020.06.15.23.13.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2020 23:13:39 -0700 (PDT) From: Oded Gabbay To: linux-kernel@vger.kernel.org, SW_Drivers@habana.ai Cc: gregkh@linuxfoundation.org, Ofir Bitton Subject: [PATCH 4/7] habanalabs: Use mask instead of shift in sync stream registers Date: Tue, 16 Jun 2020 09:13:24 +0300 Message-Id: <20200616061327.12006-4-oded.gabbay@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200616061327.12006-1-oded.gabbay@gmail.com> References: <20200616061327.12006-1-oded.gabbay@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ofir Bitton Use proper bitfield masks instead of shifting values when configuring packets sent to device. Signed-off-by: Ofir Bitton Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 70 ++++++++++--------- .../habanalabs/include/gaudi/gaudi_packets.h | 4 +- 2 files changed, 38 insertions(+), 36 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 9ce032466243..1ac7eb2498ef 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -21,6 +21,7 @@ #include #include #include +#include /* * Gaudi security scheme: @@ -6289,16 +6290,17 @@ static void gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id) pkt = (struct packet_msg_short *) (uintptr_t) cb->kernel_address; memset(pkt, 0, sizeof(*pkt)); - value = 1 << GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT; /* inc by 1 */ - value |= 1 << GAUDI_PKT_SHORT_VAL_SOB_MOD_SHIFT; /* add mode */ + /* Inc by 1, Mode ADD */ + value = FIELD_PREP(GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK, 1); + value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_SOB_MOD_MASK, 1); - ctl = (sob_id * 4) << GAUDI_PKT_SHORT_CTL_ADDR_SHIFT; /* SOB id */ - ctl |= 0 << GAUDI_PKT_SHORT_CTL_OP_SHIFT; /* write the value */ - ctl |= 3 << GAUDI_PKT_SHORT_CTL_BASE_SHIFT; /* W_S SOB base */ - ctl |= PACKET_MSG_SHORT << GAUDI_PKT_SHORT_CTL_OPCODE_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_EB_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_RB_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_MB_SHIFT; + ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, sob_id * 4); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OP_MASK, 0); /* write the value */ + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 3); /* W_S SOB base */ + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OPCODE_MASK, PACKET_MSG_SHORT); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_RB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_MB_MASK, 1); pkt->value = cpu_to_le32(value); pkt->ctl = cpu_to_le32(ctl); @@ -6311,12 +6313,12 @@ static u32 gaudi_add_mon_msg_short(struct packet_msg_short *pkt, u32 value, memset(pkt, 0, pkt_size); - ctl = addr << GAUDI_PKT_SHORT_CTL_ADDR_SHIFT; - ctl |= 2 << GAUDI_PKT_SHORT_CTL_BASE_SHIFT; /* W_S MON base */ - ctl |= PACKET_MSG_SHORT << GAUDI_PKT_SHORT_CTL_OPCODE_SHIFT; - ctl |= 0 << GAUDI_PKT_SHORT_CTL_EB_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_RB_SHIFT; - ctl |= 0 << GAUDI_PKT_SHORT_CTL_MB_SHIFT; /* only last pkt needs MB */ + ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, addr); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 2); /* W_S MON base */ + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OPCODE_MASK, PACKET_MSG_SHORT); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, 0); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_RB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_MB_MASK, 0); /* last pkt MB */ pkt->value = cpu_to_le32(value); pkt->ctl = cpu_to_le32(ctl); @@ -6332,18 +6334,19 @@ static u32 gaudi_add_arm_monitor_pkt(struct packet_msg_short *pkt, u16 sob_id, memset(pkt, 0, pkt_size); - value = (sob_id / 8) << GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT; - value |= sob_val << GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT; - value |= 0 << GAUDI_PKT_SHORT_VAL_MON_MODE_SHIFT; /* GREATER_OR_EQUAL */ - value |= mask << GAUDI_PKT_SHORT_VAL_MON_MASK_SHIFT; + value = FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_MASK, sob_id / 8); + value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_MASK, sob_val); + value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_MODE_MASK, + 0); /* GREATER OR EQUAL*/ + value |= FIELD_PREP(GAUDI_PKT_SHORT_VAL_MON_MASK_MASK, mask); - ctl = addr << GAUDI_PKT_SHORT_CTL_ADDR_SHIFT; - ctl |= 0 << GAUDI_PKT_SHORT_CTL_OP_SHIFT; /* write the value */ - ctl |= 2 << GAUDI_PKT_SHORT_CTL_BASE_SHIFT; /* W_S MON base */ - ctl |= PACKET_MSG_SHORT << GAUDI_PKT_SHORT_CTL_OPCODE_SHIFT; - ctl |= 0 << GAUDI_PKT_SHORT_CTL_EB_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_RB_SHIFT; - ctl |= 1 << GAUDI_PKT_SHORT_CTL_MB_SHIFT; + ctl = FIELD_PREP(GAUDI_PKT_SHORT_CTL_ADDR_MASK, addr); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OP_MASK, 0); /* write the value */ + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 2); /* W_S MON base */ + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OPCODE_MASK, PACKET_MSG_SHORT); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, 0); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_RB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_MB_MASK, 1); pkt->value = cpu_to_le32(value); pkt->ctl = cpu_to_le32(ctl); @@ -6357,15 +6360,14 @@ static u32 gaudi_add_fence_pkt(struct packet_fence *pkt) memset(pkt, 0, pkt_size); - cfg = 1 << GAUDI_PKT_FENCE_CFG_DEC_VAL_SHIFT; - cfg |= 1 << GAUDI_PKT_FENCE_CFG_TARGET_VAL_SHIFT; - cfg |= 2 << GAUDI_PKT_FENCE_CFG_ID_SHIFT; + cfg = FIELD_PREP(GAUDI_PKT_FENCE_CFG_DEC_VAL_MASK, 1); + cfg |= FIELD_PREP(GAUDI_PKT_FENCE_CFG_TARGET_VAL_MASK, 1); + cfg |= FIELD_PREP(GAUDI_PKT_FENCE_CFG_ID_MASK, 2); - ctl = 0 << GAUDI_PKT_FENCE_CTL_PRED_SHIFT; - ctl |= PACKET_FENCE << GAUDI_PKT_FENCE_CTL_OPCODE_SHIFT; - ctl |= 0 << GAUDI_PKT_FENCE_CTL_EB_SHIFT; - ctl |= 1 << GAUDI_PKT_FENCE_CTL_RB_SHIFT; - ctl |= 1 << GAUDI_PKT_FENCE_CTL_MB_SHIFT; + ctl = FIELD_PREP(GAUDI_PKT_FENCE_CTL_OPCODE_MASK, PACKET_FENCE); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, 0); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_RB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_MB_MASK, 1); pkt->cfg = cpu_to_le32(cfg); pkt->ctl = cpu_to_le32(ctl); diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h index 9a5800b0086b..02d62bc53f7f 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h @@ -85,7 +85,7 @@ struct packet_msg_long { }; #define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 0 -#define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x0000EFFF +#define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF #define GAUDI_PKT_SHORT_VAL_SOB_MOD_SHIFT 31 #define GAUDI_PKT_SHORT_VAL_SOB_MOD_MASK 0x80000000 @@ -141,7 +141,7 @@ struct packet_msg_prot { #define GAUDI_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000 #define GAUDI_PKT_FENCE_CFG_ID_SHIFT 30 -#define GAUDI_PKT_FENCE_CFG_ID_MASK 0xC000000 +#define GAUDI_PKT_FENCE_CFG_ID_MASK 0xC0000000 #define GAUDI_PKT_FENCE_CTL_PRED_SHIFT 0 #define GAUDI_PKT_FENCE_CTL_PRED_MASK 0x0000001F -- 2.17.1