From patchwork Tue Jun 16 06:45:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 280420 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 96852C433DF for ; Tue, 16 Jun 2020 06:58:51 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6170A2074D for ; Tue, 16 Jun 2020 06:58:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fcUDDO5l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6170A2074D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56886 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jl5YY-0003w1-ID for qemu-devel@archiver.kernel.org; Tue, 16 Jun 2020 02:58:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42040) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jl5Mh-0001oS-KG for qemu-devel@nongnu.org; Tue, 16 Jun 2020 02:46:35 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:31379 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jl5Mf-0005k3-M2 for qemu-devel@nongnu.org; Tue, 16 Jun 2020 02:46:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592289989; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=49TrhWLyQHkix4obFR6PR7exRax6E/YU1zWcuxXe1s0=; b=fcUDDO5lUxHG3KXHVlMmzQf0767hOnBR0xwx8eSx1tbkY25Es7+2y5Nge7RV4yMGcDzDb8 /ecVs7xU4K6DwCL4sd1i0MlpCnfHZjv6n5cEGe21MEdvXd8763qIeykROMC9Jwb37jFiIX Tw/14dlI7p6hGahAtmj1gEpCZT49ycI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-146-H1ICK6ZPPYmrHWoLHZGvVQ-1; Tue, 16 Jun 2020 02:46:27 -0400 X-MC-Unique: H1ICK6ZPPYmrHWoLHZGvVQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E261518585A1; Tue, 16 Jun 2020 06:46:25 +0000 (UTC) Received: from jason-ThinkPad-T430s.redhat.com (ovpn-13-222.pek2.redhat.com [10.72.13.222]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4A8C38202D; Tue, 16 Jun 2020 06:46:24 +0000 (UTC) From: Jason Wang To: peter.maydell@linaro.org Subject: [PULL 15/33] net: cadence_gem: Set ISR according to queue in use Date: Tue, 16 Jun 2020 14:45:26 +0800 Message-Id: <1592289944-13727-16-git-send-email-jasowang@redhat.com> In-Reply-To: <1592289944-13727-1-git-send-email-jasowang@redhat.com> References: <1592289944-13727-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=jasowang@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/16 02:45:54 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sai Pavan Boddu , Jason Wang , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Sai Pavan Boddu Set ISR according to queue in use, added interrupt support for all queues. Signed-off-by: Sai Pavan Boddu Reviewed-by: Edgar E. Iglesias Signed-off-by: Jason Wang --- hw/net/cadence_gem.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index 72e7cf9..2e183b5 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -451,6 +451,16 @@ static inline void rx_desc_set_sar(uint32_t *desc, int sar_idx) /* The broadcast MAC address: 0xFFFFFFFFFFFF */ static const uint8_t broadcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; +static void gem_set_isr(CadenceGEMState *s, int q, uint32_t flag) +{ + if (q == 0) { + s->regs[GEM_ISR] |= flag & ~(s->regs[GEM_IMR]); + } else { + s->regs[GEM_INT_Q1_STATUS + q - 1] |= flag & + ~(s->regs[GEM_INT_Q1_MASK + q - 1]); + } +} + /* * gem_init_register_masks: * One time initialization. @@ -906,7 +916,7 @@ static void gem_get_rx_desc(CadenceGEMState *s, int q) if (rx_desc_get_ownership(s->rx_desc[q]) == 1) { DB_PRINT("descriptor 0x%" HWADDR_PRIx " owned by sw.\n", desc_addr); s->regs[GEM_RXSTATUS] |= GEM_RXSTATUS_NOBUF; - s->regs[GEM_ISR] |= GEM_INT_RXUSED & ~(s->regs[GEM_IMR]); + gem_set_isr(s, q, GEM_INT_RXUSED); /* Handle interrupt consequences */ gem_update_int_status(s); } @@ -1080,7 +1090,7 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size) gem_receive_updatestats(s, buf, size); s->regs[GEM_RXSTATUS] |= GEM_RXSTATUS_FRMRCVD; - s->regs[GEM_ISR] |= GEM_INT_RXCMPL & ~(s->regs[GEM_IMR]); + gem_set_isr(s, q, GEM_INT_RXCMPL); /* Handle interrupt consequences */ gem_update_int_status(s); @@ -1231,13 +1241,7 @@ static void gem_transmit(CadenceGEMState *s) DB_PRINT("TX descriptor next: 0x%08x\n", s->tx_desc_addr[q]); s->regs[GEM_TXSTATUS] |= GEM_TXSTATUS_TXCMPL; - s->regs[GEM_ISR] |= GEM_INT_TXCMPL & ~(s->regs[GEM_IMR]); - - /* Update queue interrupt status */ - if (s->num_priority_queues > 1) { - s->regs[GEM_INT_Q1_STATUS + q] |= - GEM_INT_TXCMPL & ~(s->regs[GEM_INT_Q1_MASK + q]); - } + gem_set_isr(s, q, GEM_INT_TXCMPL); /* Handle interrupt consequences */ gem_update_int_status(s); @@ -1287,7 +1291,10 @@ static void gem_transmit(CadenceGEMState *s) if (tx_desc_get_used(desc)) { s->regs[GEM_TXSTATUS] |= GEM_TXSTATUS_USED; - s->regs[GEM_ISR] |= GEM_INT_TXUSED & ~(s->regs[GEM_IMR]); + /* IRQ TXUSED is defined only for queue 0 */ + if (q == 0) { + gem_set_isr(s, 0, GEM_INT_TXUSED); + } gem_update_int_status(s); } }