Received: by 2002:a05:6a10:eb17:0:0:0:0 with SMTP id hx23csp492933pxb; Wed, 8 Sep 2021 06:03:16 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxr/Ito2wd5ySLN885hT+isXtb0v23IF9QYDUBttlF5Tzpl4yZ7e4pdot/VI72URrMPN2xc X-Received: by 2002:a5e:da44:: with SMTP id o4mr3081319iop.147.1631106196237; Wed, 08 Sep 2021 06:03:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631106196; cv=none; d=google.com; s=arc-20160816; b=hMTStsp37zR/AjQ33/RLzjoqC8JjwbmSOhQ6sLSoKI3jeNVMcKTPJvk8wYUhGusk8j P7wLzh2k4KrpaixkXzZC20yNJXcOtWTynxsNG/RkYrZ9C3j9BfELFhQYYiFI6J9EBS/U ILQfcGV5hk+ls7UtgHu0hc4aiDUSS8DTr4m1/NZoLKhk30F7HAHIEXVwHgAsT/eVY0xp CQOBf4HNK6FSL5zw9w40L5d/sEdONURuVaKxZySSkCXleV7Qa5+KLKKB2rrph4LU85sV k0Hyp/7Kgp0oLBrxFSVaAY/dJ87gSxEsO9ZnGSY6RrEJO8+QbjZcYZ0AS7NKlBHiZk7l hKHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=gA9NdI0H6f9RiLGSz1R7zYsykAajwUAYm2vvOnJt2R8=; b=rXAhxq4/BK/x7uMpwZV5Sg1aoPrxGfLg7+5YY5iCuD9jFLRZS4ZVQnNYEjQyjPykzQ qVrKLRg3434q35iAg2HZJIrjy6sOVqsn61GkyJPfDseC/HrEao/mbwZ4WQMFMnhjLsKM B6a7sAWVnbvv3DXQ126EY0Dk6/L70i+RTVGJoaICoEiPWv6AhG3KRNgMUC8agcvfkZhe 7a+vPNKu5n9c8uEhdpyvHcMfLGieoXxvR88gmoJN4TcXU0qefpyLnwUqqfSlU8CtKgMn enITh9Z5U4yLrKxpSfRc4x7OxFuXwk2MEM36QvIy6GMZnAKRerqizhG9Is4qIDU5Hz/N Jtvg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n21si1843960ioh.16.2021.09.08.06.02.47; Wed, 08 Sep 2021 06:03:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351734AbhIHMXA (ORCPT + 99 others); Wed, 8 Sep 2021 08:23:00 -0400 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]:50800 "EHLO out30-43.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349230AbhIHMWz (ORCPT ); Wed, 8 Sep 2021 08:22:55 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=alimailimapcm10staff010182156082;MF=wuzongyong@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UnhbUrf_1631103655; Received: from localhost.localdomain(mailfrom:wuzongyong@linux.alibaba.com fp:SMTPD_---0UnhbUrf_1631103655) by smtp.aliyun-inc.com(127.0.0.1); Wed, 08 Sep 2021 20:21:06 +0800 From: Wu Zongyong To: wuzongyong@linux.alibaba.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, mst@redhat.com Cc: wei.yang1@linux.alibaba.com Subject: [PATCH 3/6] vp_vdpa: add vq irq offloading support Date: Wed, 8 Sep 2021 20:20:34 +0800 Message-Id: <88701e88ab061f5d1b94bd046afcb9d3588414c3.1631101392.git.wuzongyong@linux.alibaba.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch implements the get_vq_irq() callback for virtio pci devices to allow irq offloading. Signed-off-by: Wu Zongyong --- drivers/vdpa/virtio_pci/vp_vdpa.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index fe0527329857..4c512ae1fe01 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -76,6 +76,13 @@ static u8 vp_vdpa_get_status(struct vdpa_device *vdpa) return vp_modern_get_status(mdev); } +static int vp_vdpa_get_vq_irq(struct vdpa_device *vdev, u16 idx) +{ + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdev); + + return vp_vdpa->vring[idx].irq; +} + static void vp_vdpa_free_irq(struct vp_vdpa *vp_vdpa) { struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; @@ -416,6 +423,7 @@ static const struct vdpa_config_ops vp_vdpa_ops = { .get_config = vp_vdpa_get_config, .set_config = vp_vdpa_set_config, .set_config_cb = vp_vdpa_set_config_cb, + .get_vq_irq = vp_vdpa_get_vq_irq, }; static void vp_vdpa_free_irq_vectors(void *data) -- 2.31.1