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Tsirkin" , Marcel Apfelbaum , Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , Sriram Yagnaraman , Jason Wang , Keith Busch , Klaus Jensen , Markus Armbruster Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 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: none client-ip=2607:f8b0:4864:20::933; envelope-from=akihiko.odaki@daynix.com; helo=mail-ua1-x933.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 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-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1720943366372116300 rom_bar is tristate but was defined as uint32_t so convert it into OnOffAuto to clarify that. For compatibility, a uint32 value set via QOM will be converted into OnOffAuto. Signed-off-by: Akihiko Odaki --- docs/about/deprecated.rst | 7 +++++ docs/igd-assign.txt | 2 +- include/hw/pci/pci_device.h | 2 +- hw/pci/pci.c | 57 +++++++++++++++++++++++++++++++++++= ++-- hw/vfio/pci-quirks.c | 2 +- hw/vfio/pci.c | 11 ++++---- hw/xen/xen_pt_load_rom.c | 4 +-- tests/qtest/virtio-net-failover.c | 32 +++++++++++----------- 8 files changed, 88 insertions(+), 29 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 20b7a17cf07e..ac8d40fd0e84 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -389,6 +389,13 @@ recommending to switch to their stable counterparts: SD physical layer specification v2.00 supersedes the v1.10 one. v2.00 is the default since QEMU 3.0.0. =20 +Integer specification of PCI device's ``rombar`` property (since 9.1) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Specifying an integer for the ``rombar`` property of a PCI device is being +deprecated starting in 9.1 due to obscurity of such an specification. Repl= ace +zero with ``off`` and a non-zero value with ``on``, respectively. + Block device options '''''''''''''''''''' =20 diff --git a/docs/igd-assign.txt b/docs/igd-assign.txt index e17bb50789ad..35c6c8e28493 100644 --- a/docs/igd-assign.txt +++ b/docs/igd-assign.txt @@ -35,7 +35,7 @@ IGD has two different modes for assignment using vfio-pci: ISA/LPC bridge device (vfio-pci-igd-lpc-bridge) on the root bus at PCI address 1f.0. * The IGD device must have a VGA ROM, either provided via the romfile - option or loaded automatically through vfio (standard). rombar=3D0 + option or loaded automatically through vfio (standard). rombar=3Doff will disable legacy mode support. * Hotplug of the IGD device is not supported. * The IGD device must be a SandyBridge or newer model device. diff --git a/include/hw/pci/pci_device.h b/include/hw/pci/pci_device.h index ca151325085d..49b341ce2e27 100644 --- a/include/hw/pci/pci_device.h +++ b/include/hw/pci/pci_device.h @@ -147,7 +147,7 @@ struct PCIDevice { uint32_t romsize; bool has_rom; MemoryRegion rom; - uint32_t rom_bar; + OnOffAuto rom_bar; =20 /* INTx routing notifier */ PCIINTxRoutingNotifier intx_routing_notifier; diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 4c7be5295110..ca8fb5383765 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -67,11 +67,64 @@ static char *pcibus_get_fw_dev_path(DeviceState *dev); static void pcibus_reset_hold(Object *obj, ResetType type); static bool pcie_has_upstream_port(PCIDevice *dev); =20 +static void rom_bar_get(Object *obj, Visitor *v, const char *name, void *o= paque, + Error **errp) +{ + Property *prop =3D opaque; + int *ptr =3D object_field_prop_ptr(obj, prop); + + visit_type_enum(v, name, ptr, prop->info->enum_table, errp); +} + +static void rom_bar_set(Object *obj, Visitor *v, const char *name, void *o= paque, + Error **errp) +{ + Property *prop =3D opaque; + Error *local_err =3D NULL; + int *ptr =3D object_field_prop_ptr(obj, prop); + uint32_t value; + + visit_type_enum(v, name, ptr, prop->info->enum_table, &local_err); + if (!local_err) { + return; + } + + if (visit_type_uint32(v, name, &value, NULL)) { + if (value) { + *ptr =3D ON_OFF_AUTO_ON; + warn_report("Specifying a number for rombar is deprecated; rep= lace a non-zero value with 'on'"); + } else { + *ptr =3D ON_OFF_AUTO_OFF; + warn_report("Specifying a number for rombar is deprecated; rep= lace 0 with 'off'"); + } + + return; + } + + error_propagate(errp, local_err); +} + +static void rom_bar_set_default_value(ObjectProperty *op, const Property *= prop) +{ + object_property_set_default_str(op, + qapi_enum_lookup(prop->info->enum_table, prop->defval.i)); +} + +static const PropertyInfo qdev_prop_rom_bar =3D { + .name =3D "OnOffAuto", + .description =3D "on/off/auto", + .enum_table =3D &OnOffAuto_lookup, + .get =3D rom_bar_get, + .set =3D rom_bar_set, + .set_default_value =3D rom_bar_set_default_value, +}; + static Property pci_props[] =3D { DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1), DEFINE_PROP_STRING("romfile", PCIDevice, romfile), DEFINE_PROP_UINT32("romsize", PCIDevice, romsize, UINT32_MAX), - DEFINE_PROP_UINT32("rombar", PCIDevice, rom_bar, 1), + DEFINE_PROP_SIGNED("rombar", PCIDevice, rom_bar, ON_OFF_AUTO_AUTO, + qdev_prop_rom_bar, OnOffAuto), DEFINE_PROP_BIT("multifunction", PCIDevice, cap_present, QEMU_PCI_CAP_MULTIFUNCTION_BITNR, false), DEFINE_PROP_BIT("x-pcie-lnksta-dllla", PCIDevice, cap_present, @@ -2334,7 +2387,7 @@ static void pci_add_option_rom(PCIDevice *pdev, bool = is_default_rom, return; } =20 - if (!pdev->rom_bar) { + if (pdev->rom_bar =3D=3D ON_OFF_AUTO_OFF) { /* * Load rom via fw_cfg instead of creating a rom bar, * for 0.11 compatibility. diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index 39dae72497e0..0e920ed0691a 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -33,7 +33,7 @@ * execution as noticed with the BCM 57810 card for lack of a * more better way to handle such issues. * The user can still override by specifying a romfile or - * rombar=3D1. + * rombar=3Don. * Please see https://bugs.launchpad.net/qemu/+bug/1284874 * for an analysis of the 57810 card hang. When adding * a new vendor id/device id combination below, please also add diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index e03d9f3ba546..502ee2ed0489 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -902,7 +902,7 @@ static void vfio_pci_load_rom(VFIOPCIDevice *vdev) error_report("vfio-pci: Cannot read device rom at " "%s", vdev->vbasedev.name); error_printf("Device option ROM contents are probably invalid " - "(check dmesg).\nSkip option ROM probe with rombar=3D0= , " + "(check dmesg).\nSkip option ROM probe with rombar=3Do= ff, " "or load from file with romfile=3D\n"); return; } @@ -1012,11 +1012,10 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev) { uint32_t orig, size =3D cpu_to_le32((uint32_t)PCI_ROM_ADDRESS_MASK); off_t offset =3D vdev->config_offset + PCI_ROM_ADDRESS; - DeviceState *dev =3D DEVICE(vdev); char *name; int fd =3D vdev->vbasedev.fd; =20 - if (vdev->pdev.romfile || !vdev->pdev.rom_bar) { + if (vdev->pdev.romfile || vdev->pdev.rom_bar =3D=3D ON_OFF_AUTO_OFF) { /* Since pci handles romfile, just print a message and return */ if (vfio_opt_rom_in_denylist(vdev) && vdev->pdev.romfile) { warn_report("Device at %s is known to cause system instability" @@ -1046,17 +1045,17 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev) } =20 if (vfio_opt_rom_in_denylist(vdev)) { - if (dev->opts && qdict_haskey(dev->opts, "rombar")) { + if (vdev->pdev.rom_bar =3D=3D ON_OFF_AUTO_ON) { warn_report("Device at %s is known to cause system instability" " issues during option rom execution", vdev->vbasedev.name); error_printf("Proceeding anyway since user specified" - " non zero value for rombar\n"); + " on for rombar\n"); } else { warn_report("Rom loading for device at %s has been disabled" " due to system instability issues", vdev->vbasedev.name); - error_printf("Specify rombar=3D1 or romfile to force\n"); + error_printf("Specify rombar=3Don or romfile to force\n"); return; } } diff --git a/hw/xen/xen_pt_load_rom.c b/hw/xen/xen_pt_load_rom.c index 6bc64acd3352..025a6b25a916 100644 --- a/hw/xen/xen_pt_load_rom.c +++ b/hw/xen/xen_pt_load_rom.c @@ -26,7 +26,7 @@ void *pci_assign_dev_load_option_rom(PCIDevice *dev, Object *owner =3D OBJECT(dev); =20 /* If loading ROM from file, pci handles it */ - if (dev->romfile || !dev->rom_bar) { + if (dev->romfile || dev->rom_bar =3D=3D ON_OFF_AUTO_OFF) { return NULL; } =20 @@ -71,7 +71,7 @@ void *pci_assign_dev_load_option_rom(PCIDevice *dev, if (!fread(ptr, 1, st.st_size, fp)) { error_report("pci-assign: Cannot read from host %s", rom_file); error_printf("Device option ROM contents are probably invalid " - "(check dmesg).\nSkip option ROM probe with rombar=3D= 0, " + "(check dmesg).\nSkip option ROM probe with rombar=3D= off, " "or load from file with romfile=3D\n"); goto close_rom; } diff --git a/tests/qtest/virtio-net-failover.c b/tests/qtest/virtio-net-fai= lover.c index 73dfabc2728b..f65b97683fb6 100644 --- a/tests/qtest/virtio-net-failover.c +++ b/tests/qtest/virtio-net-failover.c @@ -568,7 +568,7 @@ static void test_hotplug_2_reverse(void) "{'bus': 'root0'," "'failover': true," "'netdev': 'hs0'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_STANDBY0"'}"); =20 @@ -655,7 +655,7 @@ static void test_migrate_out(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -765,7 +765,7 @@ static void test_migrate_in(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -819,7 +819,7 @@ static void test_off_migrate_out(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -887,7 +887,7 @@ static void test_off_migrate_in(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -938,7 +938,7 @@ static void test_guest_off_migrate_out(gconstpointer op= aque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1014,7 +1014,7 @@ static void test_guest_off_migrate_in(gconstpointer o= paque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1065,7 +1065,7 @@ static void test_migrate_guest_off_abort(gconstpointe= r opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1170,7 +1170,7 @@ static void test_migrate_abort_wait_unplug(gconstpoin= ter opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1259,7 +1259,7 @@ static void test_migrate_abort_active(gconstpointer o= paque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1358,7 +1358,7 @@ static void test_migrate_off_abort(gconstpointer opaq= ue) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1450,7 +1450,7 @@ static void test_migrate_abort_timeout(gconstpointer = opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1543,7 +1543,7 @@ static void test_multi_out(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1574,7 +1574,7 @@ static void test_multi_out(gconstpointer opaque) "{'bus': 'root3'," "'failover_pair_id': 'standby1'," "'netdev': 'hs3'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY1"'}"); =20 @@ -1713,7 +1713,7 @@ static void test_multi_in(gconstpointer opaque) "{'bus': 'root1'," "'failover_pair_id': 'standby0'," "'netdev': 'hs1'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY0"'}"); =20 @@ -1737,7 +1737,7 @@ static void test_multi_in(gconstpointer opaque) "{'bus': 'root3'," "'failover_pair_id': 'standby1'," "'netdev': 'hs3'," - "'rombar': 0," + "'rombar': 'off'," "'romfile': ''," "'mac': '"MAC_PRIMARY1"'}"); =20 --=20 2.45.2