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Thu, 12 May 2022 10:25:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzIcrzfVwA7NYiiBVzFJ6ttU0tAN/3+FxTn3Y+uwuDeJSBzjIGKYvNHLsyaq2Xlmq9ruBeyfg== X-Received: by 2002:a05:6402:5188:b0:428:e77:b55b with SMTP id q8-20020a056402518800b004280e77b55bmr36591670edd.82.1652376330814; Thu, 12 May 2022 10:25:30 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Eric Auger Subject: [PULL 10/27] tests/qtest/libqos: Add generic pci host bridge in arm-virt machine Date: Thu, 12 May 2022 19:24:48 +0200 Message-Id: <20220512172505.1065394-11-pbonzini@redhat.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220512172505.1065394-1-pbonzini@redhat.com> References: <20220512172505.1065394-1-pbonzini@redhat.com> MIME-Version: 1.0 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1652377350221100001 Content-Type: text/plain; charset="utf-8" From: Eric Auger Up to now the virt-machine node contains a virtio-mmio node. However no driver produces any PCI interface node. Hence, PCI tests cannot be run with aarch64 binary. Add a GPEX driver node that produces a pci interface node. This latter then can be consumed by all the pci tests. One of the first motivation was to be able to run the virtio-iommu-pci tests. We still face an issue with pci hotplug tests as hotplug cannot happen on the pcie root bus and require a generic root port. This will be addressed later on. We force cpu=3Dmax along with aarch64/virt machine as some PCI tests require high MMIO regions to be available. Signed-off-by: Eric Auger Message-Id: <20220504152025.1785704-4-eric.auger@redhat.com> Signed-off-by: Paolo Bonzini --- tests/qtest/libqos/arm-virt-machine.c | 19 ++- tests/qtest/libqos/generic-pcihost.c | 231 ++++++++++++++++++++++++++ tests/qtest/libqos/generic-pcihost.h | 54 ++++++ tests/qtest/libqos/meson.build | 1 + 4 files changed, 301 insertions(+), 4 deletions(-) create mode 100644 tests/qtest/libqos/generic-pcihost.c create mode 100644 tests/qtest/libqos/generic-pcihost.h diff --git a/tests/qtest/libqos/arm-virt-machine.c b/tests/qtest/libqos/arm= -virt-machine.c index 2e0beaefb8..139eaba142 100644 --- a/tests/qtest/libqos/arm-virt-machine.c +++ b/tests/qtest/libqos/arm-virt-machine.c @@ -22,6 +22,8 @@ #include "malloc.h" #include "qgraph.h" #include "virtio-mmio.h" +#include "generic-pcihost.h" +#include "hw/pci/pci_regs.h" =20 #define ARM_PAGE_SIZE 4096 #define VIRTIO_MMIO_BASE_ADDR 0x0A003E00 @@ -35,6 +37,7 @@ struct QVirtMachine { QOSGraphObject obj; QGuestAllocator alloc; QVirtioMMIODevice virtio_mmio; + QGenericPCIHost bridge; }; =20 static void virt_destructor(QOSGraphObject *obj) @@ -57,11 +60,13 @@ static void *virt_get_driver(void *object, const char *= interface) static QOSGraphObject *virt_get_device(void *obj, const char *device) { QVirtMachine *machine =3D obj; - if (!g_strcmp0(device, "virtio-mmio")) { + if (!g_strcmp0(device, "generic-pcihost")) { + return &machine->bridge.obj; + } else if (!g_strcmp0(device, "virtio-mmio")) { return &machine->virtio_mmio.obj; } =20 - fprintf(stderr, "%s not present in arm/virtio\n", device); + fprintf(stderr, "%s not present in arm/virt\n", device); g_assert_not_reached(); } =20 @@ -76,16 +81,22 @@ static void *qos_create_machine_arm_virt(QTestState *qt= s) qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_= ADDR, VIRTIO_MMIO_SIZE); =20 + qos_create_generic_pcihost(&machine->bridge, qts, &machine->alloc); + machine->obj.get_device =3D virt_get_device; machine->obj.get_driver =3D virt_get_driver; machine->obj.destructor =3D virt_destructor; return machine; } =20 -static void virtio_mmio_register_nodes(void) +static void virt_machine_register_nodes(void) { qos_node_create_machine("arm/virt", qos_create_machine_arm_virt); qos_node_contains("arm/virt", "virtio-mmio", NULL); + + qos_node_create_machine_args("aarch64/virt", qos_create_machine_arm_vi= rt, + " -cpu max"); + qos_node_contains("aarch64/virt", "generic-pcihost", NULL); } =20 -libqos_init(virtio_mmio_register_nodes); +libqos_init(virt_machine_register_nodes); diff --git a/tests/qtest/libqos/generic-pcihost.c b/tests/qtest/libqos/gene= ric-pcihost.c new file mode 100644 index 0000000000..3124b0e46b --- /dev/null +++ b/tests/qtest/libqos/generic-pcihost.c @@ -0,0 +1,231 @@ +/* + * libqos PCI bindings for generic PCI + * + * Copyright Red Hat Inc., 2022 + * + * Authors: + * Eric Auger + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "../libqtest.h" +#include "generic-pcihost.h" +#include "qapi/qmp/qdict.h" +#include "hw/pci/pci_regs.h" +#include "qemu/host-utils.h" + +#include "qemu/module.h" + +/* QGenericPCIHost */ + +QOSGraphObject *generic_pcihost_get_device(void *obj, const char *device) +{ + QGenericPCIHost *host =3D obj; + if (!g_strcmp0(device, "pci-bus-generic")) { + return &host->pci.obj; + } + fprintf(stderr, "%s not present in generic-pcihost\n", device); + g_assert_not_reached(); +} + +void qos_create_generic_pcihost(QGenericPCIHost *host, + QTestState *qts, + QGuestAllocator *alloc) +{ + host->obj.get_device =3D generic_pcihost_get_device; + qpci_init_generic(&host->pci, qts, alloc, false); +} + +static uint8_t qpci_generic_pio_readb(QPCIBus *bus, uint32_t addr) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + return qtest_readb(bus->qts, s->gpex_pio_base + addr); +} + +static void qpci_generic_pio_writeb(QPCIBus *bus, uint32_t addr, uint8_t v= al) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + qtest_writeb(bus->qts, s->gpex_pio_base + addr, val); +} + +static uint16_t qpci_generic_pio_readw(QPCIBus *bus, uint32_t addr) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + return qtest_readw(bus->qts, s->gpex_pio_base + addr); +} + +static void qpci_generic_pio_writew(QPCIBus *bus, uint32_t addr, uint16_t = val) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + qtest_writew(bus->qts, s->gpex_pio_base + addr, val); +} + +static uint32_t qpci_generic_pio_readl(QPCIBus *bus, uint32_t addr) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + return qtest_readl(bus->qts, s->gpex_pio_base + addr); +} + +static void qpci_generic_pio_writel(QPCIBus *bus, uint32_t addr, uint32_t = val) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + qtest_writel(bus->qts, s->gpex_pio_base + addr, val); +} + +static uint64_t qpci_generic_pio_readq(QPCIBus *bus, uint32_t addr) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + return qtest_readq(bus->qts, s->gpex_pio_base + addr); +} + +static void qpci_generic_pio_writeq(QPCIBus *bus, uint32_t addr, uint64_t = val) +{ + QGenericPCIBus *s =3D container_of(bus, QGenericPCIBus, bus); + + qtest_writeq(bus->qts, s->gpex_pio_base + addr, val); +} + +static void qpci_generic_memread(QPCIBus *bus, uint32_t addr, void *buf, s= ize_t len) +{ + qtest_memread(bus->qts, addr, buf, len); +} + +static void qpci_generic_memwrite(QPCIBus *bus, uint32_t addr, + const void *buf, size_t len) +{ + qtest_memwrite(bus->qts, addr, buf, len); +} + +static uint8_t qpci_generic_config_readb(QPCIBus *bus, int devfn, uint8_t = offset) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + uint8_t val; + + qtest_memread(bus->qts, addr, &val, 1); + return val; +} + +static uint16_t qpci_generic_config_readw(QPCIBus *bus, int devfn, uint8_t= offset) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + uint16_t val; + + qtest_memread(bus->qts, addr, &val, 2); + return le16_to_cpu(val); +} + +static uint32_t qpci_generic_config_readl(QPCIBus *bus, int devfn, uint8_t= offset) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + uint32_t val; + + qtest_memread(bus->qts, addr, &val, 4); + return le32_to_cpu(val); +} + +static void +qpci_generic_config_writeb(QPCIBus *bus, int devfn, uint8_t offset, uint8_= t value) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + + qtest_memwrite(bus->qts, addr, &value, 1); +} + +static void +qpci_generic_config_writew(QPCIBus *bus, int devfn, uint8_t offset, uint16= _t value) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + uint16_t val =3D cpu_to_le16(value); + + qtest_memwrite(bus->qts, addr, &val, 2); +} + +static void +qpci_generic_config_writel(QPCIBus *bus, int devfn, uint8_t offset, uint32= _t value) +{ + QGenericPCIBus *gbus =3D container_of(bus, QGenericPCIBus, bus); + uint64_t addr =3D gbus->ecam_alloc_ptr + ((0 << 20) | (devfn << 12) | = offset); + uint32_t val =3D cpu_to_le32(value); + + qtest_memwrite(bus->qts, addr, &val, 4); +} + +static void *qpci_generic_get_driver(void *obj, const char *interface) +{ + QGenericPCIBus *qpci =3D obj; + if (!g_strcmp0(interface, "pci-bus")) { + return &qpci->bus; + } + fprintf(stderr, "%s not present in pci-bus-generic\n", interface); + g_assert_not_reached(); +} + +void qpci_init_generic(QGenericPCIBus *qpci, QTestState *qts, + QGuestAllocator *alloc, bool hotpluggable) +{ + assert(qts); + + qpci->gpex_pio_base =3D 0x3eff0000; + qpci->bus.not_hotpluggable =3D !hotpluggable; + qpci->bus.has_buggy_msi =3D false; + + qpci->bus.pio_readb =3D qpci_generic_pio_readb; + qpci->bus.pio_readw =3D qpci_generic_pio_readw; + qpci->bus.pio_readl =3D qpci_generic_pio_readl; + qpci->bus.pio_readq =3D qpci_generic_pio_readq; + + qpci->bus.pio_writeb =3D qpci_generic_pio_writeb; + qpci->bus.pio_writew =3D qpci_generic_pio_writew; + qpci->bus.pio_writel =3D qpci_generic_pio_writel; + qpci->bus.pio_writeq =3D qpci_generic_pio_writeq; + + qpci->bus.memread =3D qpci_generic_memread; + qpci->bus.memwrite =3D qpci_generic_memwrite; + + qpci->bus.config_readb =3D qpci_generic_config_readb; + qpci->bus.config_readw =3D qpci_generic_config_readw; + qpci->bus.config_readl =3D qpci_generic_config_readl; + + qpci->bus.config_writeb =3D qpci_generic_config_writeb; + qpci->bus.config_writew =3D qpci_generic_config_writew; + qpci->bus.config_writel =3D qpci_generic_config_writel; + + qpci->bus.qts =3D qts; + qpci->bus.pio_alloc_ptr =3D 0x0000; + qpci->bus.pio_limit =3D 0x10000; + qpci->bus.mmio_alloc_ptr =3D 0x10000000; + qpci->bus.mmio_limit =3D 0x2eff0000; + qpci->ecam_alloc_ptr =3D 0x4010000000; + + qpci->obj.get_driver =3D qpci_generic_get_driver; +} + +static void qpci_generic_register_nodes(void) +{ + qos_node_create_driver("pci-bus-generic", NULL); + qos_node_produces("pci-bus-generic", "pci-bus"); +} + +static void qpci_generic_pci_register_nodes(void) +{ + qos_node_create_driver("generic-pcihost", NULL); + qos_node_contains("generic-pcihost", "pci-bus-generic", NULL); +} + +libqos_init(qpci_generic_register_nodes); +libqos_init(qpci_generic_pci_register_nodes); diff --git a/tests/qtest/libqos/generic-pcihost.h b/tests/qtest/libqos/gene= ric-pcihost.h new file mode 100644 index 0000000000..c693c769df --- /dev/null +++ b/tests/qtest/libqos/generic-pcihost.h @@ -0,0 +1,54 @@ +/* + * libqos Generic PCI bindings and generic pci host bridge + * + * Copyright Red Hat Inc., 2022 + * + * Authors: + * Eric Auger + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + */ + +#ifndef LIBQOS_GENERIC_PCIHOST_H +#define LIBQOS_GENERIC_PCIHOST_H + +#include "pci.h" +#include "malloc.h" +#include "qgraph.h" + +typedef struct QGenericPCIBus { + QOSGraphObject obj; + QPCIBus bus; + uint64_t gpex_pio_base; + uint64_t ecam_alloc_ptr; +} QGenericPCIBus; + +/* + * qpci_init_generic(): + * @ret: A valid QGenericPCIBus * pointer + * @qts: The %QTestState + * @alloc: A previously initialized @alloc providing memory for @qts + * @bool: devices can be hotplugged on this bus + * + * This function initializes an already allocated + * QGenericPCIBus object. + */ +void qpci_init_generic(QGenericPCIBus *ret, QTestState *qts, + QGuestAllocator *alloc, bool hotpluggable); + +/* QGenericPCIHost */ + +typedef struct QGenericPCIHost QGenericPCIHost; + +struct QGenericPCIHost { + QOSGraphObject obj; + QGenericPCIBus pci; +}; + +QOSGraphObject *generic_pcihost_get_device(void *obj, const char *device); +void qos_create_generic_pcihost(QGenericPCIHost *host, + QTestState *qts, + QGuestAllocator *alloc); + +#endif diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index 9f292339f9..fd5d6e5ae1 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -45,6 +45,7 @@ libqos_srcs =3D files( 'virtio-scsi.c', 'virtio-serial.c', 'virtio-iommu.c', + 'generic-pcihost.c', =20 # qgraph machines: 'aarch64-xlnx-zcu102-machine.c', --=20 2.36.0