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[81.40.121.121]) by smtp.gmail.com with ESMTPSA id k10sm42030644wrm.74.2020.08.19.09.03.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2020 09:03:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597853030; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XMq/IR7jWnYFLcjiv5ZIbAiXOU9p9ozhKfQJrVCkul8=; b=UoO8K+rwtZkezH+viUzeLAC7FltDG+hsSyfMWKIYYpXU3ooAL4v1yHQGdEro10qhcYjzoK PP0bWeGkti5KPORmyDX7s+JMoywZ6mJ4Fv13bc+4apQDGrIg8mJHad8oRBYL9d/76yV4x4 OPvov6FVKvuKFRuoatinfGJu8slxAvI= X-MC-Unique: nqhFs9q6O4GBrbs1vMpfUw-1 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:mime-version:content-transfer-encoding; bh=XMq/IR7jWnYFLcjiv5ZIbAiXOU9p9ozhKfQJrVCkul8=; b=Y5woqpAPAhGQhkK0J5jzxxr44fTMUl9W0MSPOoPiB1tKGpmjp6+fdnJBl1mUmImRyN /l+uOVWa3zarmjka4PjFT80fu1qE5iD2+vcS0XtKmoQ73Q55R7Kd3bfQolmDev9t6NsN 3ojkt4gU4nowjG7Wa20IuclCc7UpPORxTA1Ouud96CR3xihzv4mI+ZWzNDQXBsZBF3IU 5wlUiokNgECUlAA2YZK8IetldQsCCy/XuDtSvFIVL0d4M+0xaVLu1MajAdnhujh+h7GG 6QF+OUjy4f2lRxWcVzqqUN4PBnxlETN5QmQBqsv5GqqQpEXVTI/Uj/YpKNLaObhxvwhX fU0g== X-Gm-Message-State: AOAM532OSTKIwIb61ksPMwKLv+tk5q/IQerkz5Kac9VOdxKVI3Q1JDf7 pZsJcA2eZT/mhpAAMDRy/6Fra37l/45U+5Vc3I8R2eAoESPNk88bFzrMIMUQ4lwXcpJbZgdH29Y lwzJ/PNB53L+t/rI= X-Received: by 2002:adf:ce89:: with SMTP id r9mr27416799wrn.116.1597853027307; Wed, 19 Aug 2020 09:03:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw5d9WBPzgvJcaTjW0wutP9XrT/+KrpHr3fKA2d3s0x0o2pVbBqzh3pv+vnxDmp++G8v3ZIrQ== X-Received: by 2002:adf:ce89:: with SMTP id r9mr27416771wrn.116.1597853026994; Wed, 19 Aug 2020 09:03:46 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH v4 5/5] block/nvme: Use qemu_vfio_pci_init_msix_irqs() to initialize our IRQ Date: Wed, 19 Aug 2020 18:03:18 +0200 Message-Id: <20200819160318.835292-6-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819160318.835292-1-philmd@redhat.com> References: <20200819160318.835292-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8"; text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.61; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/19 04:57:22 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 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_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Alex Williamson , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Instead of initializing one MSIX IRQ with the generic qemu_vfio_pci_init_irq() function, use the MSIX specific one which ill allow us to use multiple IRQs. For now we provide an array of a single IRQ. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- block/nvme.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/block/nvme.c b/block/nvme.c index fe8a40b7ede..cafa2cb3f95 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -707,6 +707,7 @@ static int nvme_init(BlockDriverState *bs, const char *= device, int namespace, uint64_t timeout_ms; uint64_t deadline, now; Error *local_err =3D NULL; + unsigned irq_count =3D MSIX_IRQ_COUNT; =20 qemu_co_mutex_init(&s->dma_map_lock); qemu_co_queue_init(&s->dma_flush_queue); @@ -792,9 +793,13 @@ static int nvme_init(BlockDriverState *bs, const char = *device, int namespace, } } =20 - ret =3D qemu_vfio_pci_init_irq(s->vfio, s->irq_notifier, - VFIO_PCI_MSIX_IRQ_INDEX, errp); + ret =3D qemu_vfio_pci_init_msix_irqs(s->vfio, s->irq_notifier, + &irq_count, errp); if (ret) { + if (ret =3D=3D -EOVERFLOW) { + error_append_hint(errp, "%u IRQs requested but only %u availab= le\n", + MSIX_IRQ_COUNT, irq_count); + } goto out; } aio_set_event_notifier(bdrv_get_aio_context(bs), --=20 2.26.2