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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 A36D8CA9EAC for ; Sat, 19 Oct 2019 06:40:38 +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 77801222C2 for ; Sat, 19 Oct 2019 06:40:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 77801222C2 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]:49886 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iLiPl-0004S8-Aq for qemu-devel@archiver.kernel.org; Sat, 19 Oct 2019 02:40:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59670) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iLiNz-0002W9-J4 for qemu-devel@nongnu.org; Sat, 19 Oct 2019 02:38:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iLiNx-0003MQ-TR for qemu-devel@nongnu.org; Sat, 19 Oct 2019 02:38:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43288) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iLiNt-0003Go-Uj; Sat, 19 Oct 2019 02:38:42 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2E3CD882F5; Sat, 19 Oct 2019 06:38:41 +0000 (UTC) Received: from localhost (ovpn-116-50.ams2.redhat.com [10.36.116.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5108860BF3; Sat, 19 Oct 2019 06:38:32 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v3 03/16] libqos: extend feature bits to 64-bit Date: Sat, 19 Oct 2019 07:37:57 +0100 Message-Id: <20191019063810.6944-4-stefanha@redhat.com> In-Reply-To: <20191019063810.6944-1-stefanha@redhat.com> References: <20191019063810.6944-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sat, 19 Oct 2019 06:38:41 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 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: Fam Zheng , Laurent Vivier , Thomas Huth , qemu-block@nongnu.org, slp@redhat.com, "Michael S. Tsirkin" , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In VIRTIO 1.0 feature bits changed from 32-bit to 64-bit. (In fact, the transports allow even more feature bits but nothing uses more than 64 bits today.) Add 64-bit feature bit support to virtio-mmio and virtio-pci. This will be necessary for VIRTIO 1.0 support. Signed-off-by: Stefan Hajnoczi --- tests/libqos/virtio.h | 12 ++++++------ tests/libqos/virtio-mmio.c | 28 ++++++++++++++++++++++------ tests/libqos/virtio-net.c | 6 +++--- tests/libqos/virtio-pci.c | 12 ++++++------ tests/libqos/virtio.c | 4 ++-- tests/virtio-blk-test.c | 8 ++++---- 6 files changed, 43 insertions(+), 27 deletions(-) diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h index 2cb2448f46..a5c99fb3c9 100644 --- a/tests/libqos/virtio.h +++ b/tests/libqos/virtio.h @@ -13,7 +13,7 @@ #include "libqos/malloc.h" #include "standard-headers/linux/virtio_ring.h" =20 -#define QVIRTIO_F_BAD_FEATURE 0x40000000 +#define QVIRTIO_F_BAD_FEATURE 0x40000000ull =20 typedef struct QVirtioBus QVirtioBus; =20 @@ -52,13 +52,13 @@ struct QVirtioBus { uint64_t (*config_readq)(QVirtioDevice *d, uint64_t addr); =20 /* Get features of the device */ - uint32_t (*get_features)(QVirtioDevice *d); + uint64_t (*get_features)(QVirtioDevice *d); =20 /* Set features of the device */ - void (*set_features)(QVirtioDevice *d, uint32_t features); + void (*set_features)(QVirtioDevice *d, uint64_t features); =20 /* Get features of the guest */ - uint32_t (*get_guest_features)(QVirtioDevice *d); + uint64_t (*get_guest_features)(QVirtioDevice *d); =20 /* Get status of the device */ uint8_t (*get_status)(QVirtioDevice *d); @@ -103,8 +103,8 @@ uint8_t qvirtio_config_readb(QVirtioDevice *d, uint64= _t addr); uint16_t qvirtio_config_readw(QVirtioDevice *d, uint64_t addr); uint32_t qvirtio_config_readl(QVirtioDevice *d, uint64_t addr); uint64_t qvirtio_config_readq(QVirtioDevice *d, uint64_t addr); -uint32_t qvirtio_get_features(QVirtioDevice *d); -void qvirtio_set_features(QVirtioDevice *d, uint32_t features); +uint64_t qvirtio_get_features(QVirtioDevice *d); +void qvirtio_set_features(QVirtioDevice *d, uint64_t features); bool qvirtio_is_big_endian(QVirtioDevice *d); =20 void qvirtio_reset(QVirtioDevice *d); diff --git a/tests/libqos/virtio-mmio.c b/tests/libqos/virtio-mmio.c index 7154b03c1d..78066e6e05 100644 --- a/tests/libqos/virtio-mmio.c +++ b/tests/libqos/virtio-mmio.c @@ -40,22 +40,38 @@ static uint64_t qvirtio_mmio_config_readq(QVirtioDevi= ce *d, uint64_t off) return qtest_readq(dev->qts, dev->addr + QVIRTIO_MMIO_DEVICE_SPECIFI= C + off); } =20 -static uint32_t qvirtio_mmio_get_features(QVirtioDevice *d) +static uint64_t qvirtio_mmio_get_features(QVirtioDevice *d) { QVirtioMMIODevice *dev =3D container_of(d, QVirtioMMIODevice, vdev); + uint64_t lo; + uint64_t hi =3D 0; + qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES_SEL, 0= ); - return qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES)= ; + lo =3D qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES)= ; + + if (dev->version >=3D 2) { + qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES_SE= L, 1); + hi =3D qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATU= RES); + } + + return (hi << 32) | lo; } =20 -static void qvirtio_mmio_set_features(QVirtioDevice *d, uint32_t feature= s) +static void qvirtio_mmio_set_features(QVirtioDevice *d, uint64_t feature= s) { QVirtioMMIODevice *dev =3D container_of(d, QVirtioMMIODevice, vdev); dev->features =3D features; qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_GUEST_FEATURES_SEL, = 0); qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_GUEST_FEATURES, feat= ures); + + if (dev->version >=3D 2) { + qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_GUEST_FEATURES_S= EL, 1); + qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_GUEST_FEATURES, + features >> 32); + } } =20 -static uint32_t qvirtio_mmio_get_guest_features(QVirtioDevice *d) +static uint64_t qvirtio_mmio_get_guest_features(QVirtioDevice *d) { QVirtioMMIODevice *dev =3D container_of(d, QVirtioMMIODevice, vdev); return dev->features; @@ -149,8 +165,8 @@ static QVirtQueue *qvirtio_mmio_virtqueue_setup(QVirt= ioDevice *d, vq->free_head =3D 0; vq->num_free =3D vq->size; vq->align =3D dev->page_size; - vq->indirect =3D (dev->features & (1u << VIRTIO_RING_F_INDIRECT_DESC= )) !=3D 0; - vq->event =3D (dev->features & (1u << VIRTIO_RING_F_EVENT_IDX)) !=3D= 0; + vq->indirect =3D dev->features & (1ull << VIRTIO_RING_F_INDIRECT_DES= C); + vq->event =3D dev->features & (1ull << VIRTIO_RING_F_EVENT_IDX); =20 qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_QUEUE_NUM, vq->size)= ; =20 diff --git a/tests/libqos/virtio-net.c b/tests/libqos/virtio-net.c index 6567beb553..710d440c3d 100644 --- a/tests/libqos/virtio-net.c +++ b/tests/libqos/virtio-net.c @@ -44,11 +44,11 @@ static void virtio_net_setup(QVirtioNet *interface) =20 features =3D qvirtio_get_features(vdev); features &=3D ~(QVIRTIO_F_BAD_FEATURE | - (1u << VIRTIO_RING_F_INDIRECT_DESC) | - (1u << VIRTIO_RING_F_EVENT_IDX)); + (1ull << VIRTIO_RING_F_INDIRECT_DESC) | + (1ull << VIRTIO_RING_F_EVENT_IDX)); qvirtio_set_features(vdev, features); =20 - if (features & (1u << VIRTIO_NET_F_MQ)) { + if (features & (1ull << VIRTIO_NET_F_MQ)) { interface->n_queues =3D qvirtio_config_readw(vdev, 8) * 2; } else { interface->n_queues =3D 2; diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index 50499e75ef..1b6b760fc6 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -96,19 +96,19 @@ static uint64_t qvirtio_pci_config_readq(QVirtioDevic= e *d, uint64_t off) return val; } =20 -static uint32_t qvirtio_pci_get_features(QVirtioDevice *d) +static uint64_t qvirtio_pci_get_features(QVirtioDevice *d) { QVirtioPCIDevice *dev =3D container_of(d, QVirtioPCIDevice, vdev); return qpci_io_readl(dev->pdev, dev->bar, VIRTIO_PCI_HOST_FEATURES); } =20 -static void qvirtio_pci_set_features(QVirtioDevice *d, uint32_t features= ) +static void qvirtio_pci_set_features(QVirtioDevice *d, uint64_t features= ) { QVirtioPCIDevice *dev =3D container_of(d, QVirtioPCIDevice, vdev); qpci_io_writel(dev->pdev, dev->bar, VIRTIO_PCI_GUEST_FEATURES, featu= res); } =20 -static uint32_t qvirtio_pci_get_guest_features(QVirtioDevice *d) +static uint64_t qvirtio_pci_get_guest_features(QVirtioDevice *d) { QVirtioPCIDevice *dev =3D container_of(d, QVirtioPCIDevice, vdev); return qpci_io_readl(dev->pdev, dev->bar, VIRTIO_PCI_GUEST_FEATURES)= ; @@ -208,7 +208,7 @@ static void qvirtio_pci_set_queue_address(QVirtioDevi= ce *d, uint32_t pfn) static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d, QGuestAllocator *alloc, uint16_t= index) { - uint32_t feat; + uint64_t feat; uint64_t addr; QVirtQueuePCI *vqpci; QVirtioPCIDevice *qvpcidev =3D container_of(d, QVirtioPCIDevice, vde= v); @@ -222,8 +222,8 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirti= oDevice *d, vqpci->vq.free_head =3D 0; vqpci->vq.num_free =3D vqpci->vq.size; vqpci->vq.align =3D VIRTIO_PCI_VRING_ALIGN; - vqpci->vq.indirect =3D (feat & (1u << VIRTIO_RING_F_INDIRECT_DESC)) = !=3D 0; - vqpci->vq.event =3D (feat & (1u << VIRTIO_RING_F_EVENT_IDX)) !=3D 0; + vqpci->vq.indirect =3D feat & (1ull << VIRTIO_RING_F_INDIRECT_DESC); + vqpci->vq.event =3D feat & (1ull << VIRTIO_RING_F_EVENT_IDX); =20 vqpci->msix_entry =3D -1; vqpci->msix_addr =3D 0; diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c index 0ae9956fc8..4f7e6bb8a1 100644 --- a/tests/libqos/virtio.c +++ b/tests/libqos/virtio.c @@ -33,12 +33,12 @@ uint64_t qvirtio_config_readq(QVirtioDevice *d, uint6= 4_t addr) return d->bus->config_readq(d, addr); } =20 -uint32_t qvirtio_get_features(QVirtioDevice *d) +uint64_t qvirtio_get_features(QVirtioDevice *d) { return d->bus->get_features(d); } =20 -void qvirtio_set_features(QVirtioDevice *d, uint32_t features) +void qvirtio_set_features(QVirtioDevice *d, uint64_t features) { d->features =3D features; d->bus->set_features(d, features); diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c index f6674fb233..31680cc159 100644 --- a/tests/virtio-blk-test.c +++ b/tests/virtio-blk-test.c @@ -119,7 +119,7 @@ static void test_basic(QVirtioDevice *dev, QGuestAllo= cator *alloc, QVirtioBlkReq req; uint64_t req_addr; uint64_t capacity; - uint32_t features; + uint64_t features; uint32_t free_head; uint8_t status; char *data; @@ -352,7 +352,7 @@ static void indirect(void *obj, void *u_data, QGuestA= llocator *t_alloc) QVRingIndirectDesc *indirect; uint64_t req_addr; uint64_t capacity; - uint32_t features; + uint64_t features; uint32_t free_head; uint8_t status; char *data; @@ -467,7 +467,7 @@ static void msix(void *obj, void *u_data, QGuestAlloc= ator *t_alloc) int n_size =3D TEST_IMAGE_SIZE / 2; uint64_t req_addr; uint64_t capacity; - uint32_t features; + uint64_t features; uint32_t free_head; uint8_t status; char *data; @@ -574,7 +574,7 @@ static void idx(void *obj, void *u_data, QGuestAlloca= tor *t_alloc) QVirtioBlkReq req; uint64_t req_addr; uint64_t capacity; - uint32_t features; + uint64_t features; uint32_t free_head; uint32_t write_head; uint32_t desc_idx; --=20 2.21.0