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2020-09-09ahci: Rename ICH_AHCI to ICH9_AHCIEduardo Habkost2-6/+6
Make the type checking macro name consistent with the TYPE_* constant. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200902224311.1321159-33-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09Use DECLARE_*CHECKER* macrosEduardo Habkost4-4/+7
Generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]') Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-12-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-13-ehabkost@redhat.com> Message-Id: <20200831210740.126168-14-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09Move QOM typedefs and add missing includesEduardo Habkost4-8/+16
Some typedefs and macros are defined after the type check macros. This makes it difficult to automatically replace their definitions with OBJECT_DECLARE_TYPE. Patch generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]') which will split "typdef struct { ... } TypedefName" declarations. Followed by: $ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \ $(git grep -l '' -- '*.[ch]') which will: - move the typedefs and #defines above the type check macros - add missing #include "qom/object.h" lines if necessary Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-9-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-10-ehabkost@redhat.com> Message-Id: <20200831210740.126168-11-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-01hw/ide/pci: Replace magic '512' value by BDRV_SECTOR_SIZEPhilippe Mathieu-Daudé1-1/+1
Use self-explicit definitions instead of magic '512' value. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20200814082841.27000-7-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01hw/ide/atapi: Replace magic '512' value by BDRV_SECTOR_SIZEPhilippe Mathieu-Daudé1-4/+4
Use self-explicit definitions instead of magic '512' value. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20200814082841.27000-6-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01hw/ide/ahci: Replace magic '512' value by BDRV_SECTOR_SIZEPhilippe Mathieu-Daudé1-2/+3
Use self-explicit definitions instead of magic '512' value. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20200814082841.27000-5-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01hw/ide/core: Trivial typo fixPhilippe Mathieu-Daudé1-1/+1
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20200814082841.27000-3-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-08-27ahci: Move QOM macro to headerEduardo Habkost1-3/+0
Move the ALLWINNER_AHCI macro close to the TYPE_ALLWINNER_AHCI define. This will make future conversion to OBJECT_DECLARE* easier. Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Tested-By: Roman Bolshakov <r.bolshakov@yadro.com> Message-Id: <20200825192110.3528606-33-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-08-27ahci: Move QOM macros to headerEduardo Habkost1-5/+0
The TYPE_* constants and the typedefs are defined in ahci.h, so we can move the type checking macros there too. This will make future conversion to OBJECT_DECLARE* easier. Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Tested-By: Roman Bolshakov <r.bolshakov@yadro.com> Message-Id: <20200825192110.3528606-31-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-08-21meson: convert hw/ideMarc-André Lureau2-14/+14
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21trace: switch position of headers to what Meson requiresPaolo Bonzini1-0/+1
Meson doesn't enjoy the same flexibility we have with Make in choosing the include path. In particular the tracing headers are using $(build_root)/$(<D). In order to keep the include directives unchanged, the simplest solution is to generate headers with patterns like "trace/trace-audio.h" and place forwarding headers in the source tree such that for example "audio/trace.h" includes "trace/trace-audio.h". This patch is too ugly to be applied to the Makefiles now. It's only a way to separate the changes to the tracing header files from the Meson rewrite of the tracing logic. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-10qom: Put name parameter before value / visitor parameterMarkus Armbruster1-1/+1
The object_property_set_FOO() setters take property name and value in an unusual order: void object_property_set_FOO(Object *obj, FOO_TYPE value, const char *name, Error **errp) Having to pass value before name feels grating. Swap them. Same for object_property_set(), object_property_get(), and object_property_parse(). Convert callers with this Coccinelle script: @@ identifier fun = { object_property_get, object_property_parse, object_property_set_str, object_property_set_link, object_property_set_bool, object_property_set_int, object_property_set_uint, object_property_set, object_property_set_qobject }; expression obj, v, name, errp; @@ - fun(obj, v, name, errp) + fun(obj, name, v, errp) Chokes on hw/arm/musicpal.c's lcd_refresh() with the unhelpful error message "no position information". Convert that one manually. Fails to convert hw/arm/armsse.c, because Coccinelle gets confused by ARMSSE being used both as typedef and function-like macro there. Convert manually. Fails to convert hw/rx/rx-gdbsim.c, because Coccinelle gets confused by RXCPU being used both as typedef and function-like macro there. Convert manually. The other files using RXCPU that way don't need conversion. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200707160613.848843-27-armbru@redhat.com> [Straightforwad conflict with commit 2336172d9b "audio: set default value for pcspk.iobase property" resolved]
2020-07-10qapi: Use returned bool to check for failure, manual partMarkus Armbruster1-2/+2
The previous commit used Coccinelle to convert from checking the Error object to checking the return value. Convert a few more manually. Also tweak control flow in places to conform to the conventional "if error bail out" pattern. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200707160613.848843-20-armbru@redhat.com>
2020-07-10qapi: Use returned bool to check for failure, Coccinelle partMarkus Armbruster1-2/+1
The previous commit enables conversion of visit_foo(..., &err); if (err) { ... } to if (!visit_foo(..., errp)) { ... } for visitor functions that now return true / false on success / error. Coccinelle script: @@ identifier fun =~ "check_list|input_type_enum|lv_start_struct|lv_type_bool|lv_type_int64|lv_type_str|lv_type_uint64|output_type_enum|parse_type_bool|parse_type_int64|parse_type_null|parse_type_number|parse_type_size|parse_type_str|parse_type_uint64|print_type_bool|print_type_int64|print_type_null|print_type_number|print_type_size|print_type_str|print_type_uint64|qapi_clone_start_alternate|qapi_clone_start_list|qapi_clone_start_struct|qapi_clone_type_bool|qapi_clone_type_int64|qapi_clone_type_null|qapi_clone_type_number|qapi_clone_type_str|qapi_clone_type_uint64|qapi_dealloc_start_list|qapi_dealloc_start_struct|qapi_dealloc_type_anything|qapi_dealloc_type_bool|qapi_dealloc_type_int64|qapi_dealloc_type_null|qapi_dealloc_type_number|qapi_dealloc_type_str|qapi_dealloc_type_uint64|qobject_input_check_list|qobject_input_check_struct|qobject_input_start_alternate|qobject_input_start_list|qobject_input_start_struct|qobject_input_type_any|qobject_input_type_bool|qobject_input_type_bool_keyval|qobject_input_type_int64|qobject_input_type_int64_keyval|qobject_input_type_null|qobject_input_type_number|qobject_input_type_number_keyval|qobject_input_type_size_keyval|qobject_input_type_str|qobject_input_type_str_keyval|qobject_input_type_uint64|qobject_input_type_uint64_keyval|qobject_output_start_list|qobject_output_start_struct|qobject_output_type_any|qobject_output_type_bool|qobject_output_type_int64|qobject_output_type_null|qobject_output_type_number|qobject_output_type_str|qobject_output_type_uint64|start_list|visit_check_list|visit_check_struct|visit_start_alternate|visit_start_list|visit_start_struct|visit_type_.*"; expression list args; typedef Error; Error *err; @@ - fun(args, &err); - if (err) + if (!fun(args, &err)) { ... } A few line breaks tidied up manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200707160613.848843-19-armbru@redhat.com>
2020-06-23qdev: Make qdev_prop_set_drive() match the other helpersMarkus Armbruster1-2/+2
qdev_prop_set_drive() can fail. None of the other qdev_prop_set_FOO() can; they abort on error. To clean up this inconsistency, rename qdev_prop_set_drive() to qdev_prop_set_drive_err(), and create a qdev_prop_set_drive() that aborts on error. Coccinelle script to update callers: @ depends on !(file in "hw/core/qdev-properties-system.c")@ expression dev, name, value; symbol error_abort; @@ - qdev_prop_set_drive(dev, name, value, &error_abort); + qdev_prop_set_drive(dev, name, value); @@ expression dev, name, value, errp; @@ - qdev_prop_set_drive(dev, name, value, errp); + qdev_prop_set_drive_err(dev, name, value, errp); Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200622094227.1271650-14-armbru@redhat.com>
2020-06-17block: consolidate blocksize properties consistency checksRoman Kagan1-1/+4
Several block device properties related to blocksize configuration must be in certain relationship WRT each other: physical block must be no smaller than logical block; min_io_size, opt_io_size, and discard_granularity must be a multiple of a logical block. To ensure these requirements are met, add corresponding consistency checks to blkconf_blocksizes, adjusting its signature to communicate possible error to the caller. Also remove the now redundant consistency checks from the specific devices. Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paul Durrant <paul@xen.org> Message-Id: <20200528225516.1676602-3-rvkagan@yandex-team.ru> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-06-17hw/ide: Make IDEDMAOps handlers take a const IDEDMA pointerPhilippe Mathieu-Daudé4-21/+21
Handlers don't need to modify the IDEDMA structure. Make it const. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200512194917.15807-1-philmd@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-06-15qdev: Convert bus-less devices to qdev_realize() with CoccinelleMarkus Armbruster1-1/+2
All remaining conversions to qdev_realize() are for bus-less devices. Coccinelle script: // only correct for bus-less @dev! @@ expression errp; expression dev; @@ - qdev_init_nofail(dev); + qdev_realize(dev, NULL, &error_fatal); @ depends on !(file in "hw/core/qdev.c") && !(file in "hw/core/bus.c")@ expression errp; expression dev; symbol true; @@ - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize(DEVICE(dev), NULL, errp); @ depends on !(file in "hw/core/qdev.c") && !(file in "hw/core/bus.c")@ expression errp; expression dev; symbol true; @@ - object_property_set_bool(dev, true, "realized", errp); + qdev_realize(DEVICE(dev), NULL, errp); Note that Coccinelle chokes on ARMSSE typedef vs. macro in hw/arm/armsse.c. Worked around by temporarily renaming the macro for the spatch run. Signed-off-by: Markus Armbruster <armbru@redhat.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-57-armbru@redhat.com>
2020-06-15isa: Convert uses of isa_create() with CoccinelleMarkus Armbruster1-2/+3
Replace dev = isa_create(bus, type_name); ... qdev_init_nofail(dev); by dev = isa_new(type_name); ... isa_realize_and_unref(dev, bus, &error_fatal); Recent commit "qdev: New qdev_new(), qdev_realize(), etc." explains why. Coccinelle script: @@ expression dev, bus, expr; expression list args; expression d; @@ - dev = isa_create(bus, args); + dev = isa_new(args); ( d = &dev->qdev; | d = DEVICE(dev); ) ... when != dev = expr - qdev_init_nofail(d); + isa_realize_and_unref(dev, bus, &error_fatal); @@ expression dev, bus, expr; expression list args; @@ - dev = isa_create(bus, args); + dev = isa_new(args); ... when != dev = expr - qdev_init_nofail(DEVICE(dev)); + isa_realize_and_unref(dev, bus, &error_fatal); @@ expression dev, bus, expr; expression list args; @@ - dev = DEVICE(isa_create(bus, args)); + ISADevice *isa_dev; // TODO move + isa_dev = isa_new(args); + dev = DEVICE(isa_dev); ... when != dev = expr - qdev_init_nofail(dev); + isa_realize_and_unref(isa_dev, bus, &error_fatal); Missing #include "qapi/error.h" added manually, whitespace changes minimized manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-20-armbru@redhat.com>
2020-06-15qdev: Convert uses of qdev_create() with CoccinelleMarkus Armbruster1-2/+2
This is the transformation explained in the commit before previous. Takes care of just one pattern that needs conversion. More to come in this series. Coccinelle script: @ depends on !(file in "hw/arm/highbank.c")@ expression bus, type_name, dev, expr; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr; identifier DOWN; @@ - dev = DOWN(qdev_create(bus, type_name)); + dev = DOWN(qdev_new(type_name)); ... when != dev = expr - qdev_init_nofail(DEVICE(dev)); + qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal); @@ expression bus, type_name, expr; identifier dev; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr, errp; symbol true; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); @@ expression bus, type_name, expr, errp; identifier dev; symbol true; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); The first rule exempts hw/arm/highbank.c, because it matches along two control flow paths there, with different @type_name. Covered by the next commit's manual conversions. Missing #include "qapi/error.h" added manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-10-armbru@redhat.com> [Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
2020-05-18hw/ide/ahci: Log lost IRQsPhilippe Mathieu-Daudé1-0/+1
One might find interesting to look at AHCI IRQs. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200504094858.5975-1-f4bug@amsat.org> Reviewed-by: John Snow <jsnow@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-05-15hw: Remove unnecessary DEVICE() castPhilippe Mathieu-Daudé1-1/+1
The DEVICE() macro is defined as: #define DEVICE(obj) OBJECT_CHECK(DeviceState, (obj), TYPE_DEVICE) which expands to: ((DeviceState *)object_dynamic_cast_assert((Object *)(obj), (name), __FILE__, __LINE__, __func__)) This assertion can only fail when @obj points to something other than its stated type, i.e. when we're in undefined behavior country. Remove the unnecessary DEVICE() casts when we already know the pointer is of DeviceState type. Patch created mechanically using spatch with this script: @@ typedef DeviceState; DeviceState *s; @@ - DEVICE(s) + s Acked-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Paul Durrant <paul@xen.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Acked-by: John Snow <jsnow@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200512070020.22782-4-f4bug@amsat.org>
2020-05-15various: Remove unnecessary OBJECT() castPhilippe Mathieu-Daudé1-1/+1
The OBJECT() macro is defined as: #define OBJECT(obj) ((Object *)(obj)) Remove the unnecessary OBJECT() casts when we already know the pointer is of Object type. Patch created mechanically using spatch with this script: @@ typedef Object; Object *o; @@ - OBJECT(o) + o Acked-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Corey Minyard <cminyard@mvista.com> Acked-by: John Snow <jsnow@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200512070020.22782-3-f4bug@amsat.org> [Trivial rebase conflict in hw/s390x/sclp.c resolved]
2020-05-15qdev: Unrealize must not failMarkus Armbruster1-2/+2
Devices may have component devices and buses. Device realization may fail. Realization is recursive: a device's realize() method realizes its components, and device_set_realized() realizes its buses (which should in turn realize the devices on that bus, except bus_set_realized() doesn't implement that, yet). When realization of a component or bus fails, we need to roll back: unrealize everything we realized so far. If any of these unrealizes failed, the device would be left in an inconsistent state. Must not happen. device_set_realized() lets it happen: it ignores errors in the roll back code starting at label child_realize_fail. Since realization is recursive, unrealization must be recursive, too. But how could a partly failed unrealize be rolled back? We'd have to re-realize, which can fail. This design is fundamentally broken. device_set_realized() does not roll back at all. Instead, it keeps unrealizing, ignoring further errors. It can screw up even for a device with no buses: if the lone dc->unrealize() fails, it still unregisters vmstate, and calls listeners' unrealize() callback. bus_set_realized() does not roll back either. Instead, it stops unrealizing. Fortunately, no unrealize method can fail, as we'll see below. To fix the design error, drop parameter @errp from all the unrealize methods. Any unrealize method that uses @errp now needs an update. This leads us to unrealize() methods that can fail. Merely passing it to another unrealize method cannot cause failure, though. Here are the ones that do other things with @errp: * virtio_serial_device_unrealize() Fails when qbus_set_hotplug_handler() fails, but still does all the other work. On failure, the device would stay realized with its resources completely gone. Oops. Can't happen, because qbus_set_hotplug_handler() can't actually fail here. Pass &error_abort to qbus_set_hotplug_handler() instead. * hw/ppc/spapr_drc.c's unrealize() Fails when object_property_del() fails, but all the other work is already done. On failure, the device would stay realized with its vmstate registration gone. Oops. Can't happen, because object_property_del() can't actually fail here. Pass &error_abort to object_property_del() instead. * spapr_phb_unrealize() Fails and bails out when remove_drcs() fails, but other work is already done. On failure, the device would stay realized with some of its resources gone. Oops. remove_drcs() fails only when chassis_from_bus()'s object_property_get_uint() fails, and it can't here. Pass &error_abort to remove_drcs() instead. Therefore, no unrealize method can fail before this patch. device_set_realized()'s recursive unrealization via bus uses object_property_set_bool(). Can't drop @errp there, so pass &error_abort. We similarly unrealize with object_property_set_bool() elsewhere, always ignoring errors. Pass &error_abort instead. Several unrealize methods no longer handle errors from other unrealize methods: virtio_9p_device_unrealize(), virtio_input_device_unrealize(), scsi_qdev_unrealize(), ... Much of the deleted error handling looks wrong anyway. One unrealize methods no longer ignore such errors: usb_ehci_pci_exit(). Several realize methods no longer ignore errors when rolling back: v9fs_device_realize_common(), pci_qdev_unrealize(), spapr_phb_realize(), usb_qdev_realize(), vfio_ccw_realize(), virtio_device_realize(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-17-armbru@redhat.com>
2020-05-15qom: Drop parameter @errp of object_property_add() & friendsMarkus Armbruster2-2/+2
The only way object_property_add() can fail is when a property with the same name already exists. Since our property names are all hardcoded, failure is a programming error, and the appropriate way to handle it is passing &error_abort. Same for its variants, except for object_property_add_child(), which additionally fails when the child already has a parent. Parentage is also under program control, so this is a programming error, too. We have a bit over 500 callers. Almost half of them pass &error_abort, slightly fewer ignore errors, one test case handles errors, and the remaining few callers pass them to their own callers. The previous few commits demonstrated once again that ignoring programming errors is a bad idea. Of the few ones that pass on errors, several violate the Error API. The Error ** argument must be NULL, &error_abort, &error_fatal, or a pointer to a variable containing NULL. Passing an argument of the latter kind twice without clearing it in between is wrong: if the first call sets an error, it no longer points to NULL for the second call. ich9_pm_add_properties(), sparc32_ledma_realize(), sparc32_dma_realize(), xilinx_axidma_realize(), xilinx_enet_realize() are wrong that way. When the one appropriate choice of argument is &error_abort, letting users pick the argument is a bad idea. Drop parameter @errp and assert the preconditions instead. There's one exception to "duplicate property name is a programming error": the way object_property_add() implements the magic (and undocumented) "automatic arrayification". Don't drop @errp there. Instead, rename object_property_add() to object_property_try_add(), and add the obvious wrapper object_property_add(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-15-armbru@redhat.com> [Two semantic rebase conflicts resolved]
2020-05-04hw/ide/sii3112: Remove dead assignmentPhilippe Mathieu-Daudé1-2/+3
Fix warning reported by Clang static code analyzer: CC hw/ide/sii3112.o hw/ide/sii3112.c:204:9: warning: Value stored to 'val' is never read val = 0; ^ ~ Fixes: a9dd6604 Reported-by: Clang Static Analyzer Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Acked-by: John Snow <jsnow@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200422133152.16770-6-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-27cmd646-ide: use qdev gpio rather than qemu_allocate_irqs()Mark Cave-Ayland1-5/+4
This prevents the memory from qemu_allocate_irqs() from being leaked which can in some cases be spotted by Coverity (CID 1421984). Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-id: 20200324210519.2974-4-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-27via-ide: use qdev gpio rather than qemu_allocate_irqs()Mark Cave-Ayland1-2/+4
This prevents the memory from qemu_allocate_irqs() from being leaked which can in some cases be spotted by Coverity (CID 1421984). Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-id: 20200324210519.2974-3-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-27via-ide: don't use PCI level for legacy IRQsMark Cave-Ayland1-1/+0
The PCI level calculation was accidentally left in when rebasing from a previous patchset. Since both IRQs are driven separately, the value being passed into the IRQ handler should be used directly. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-id: 20200324210519.2974-2-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-27hw/ide/sii3112: Use qdev gpio rather than qemu_allocate_irqs()Peter Maydell1-4/+4
Coverity points out (CID 1421984) that we are leaking the memory returned by qemu_allocate_irqs(). We can avoid this leak by switching to using qdev_init_gpio_in(); the base class finalize will free the irqs that this allocates under the hood. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200323151715.29454-1-peter.maydell@linaro.org [Maintainer edit: replace `DEVICE(dev)` by `ds` --js] Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17hw/ide: Do ide_drive_get() within pci_ide_create_devs()BALATON Zoltan1-1/+3
The pci_ide_create_devs() function takes a hd_table parameter but all callers just pass what ide_drive_get() returns so we can do it locally simplifying callers and removing hd_table parameter. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: e9713fdded4d212fa68ed03b844e531934226a6f.1584457537.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17hw/ide/pci.c: Coding style update to fix checkpatch errorsBALATON Zoltan1-3/+3
Spaces are required around a + operator and if statements should have braces even for single line. Also make it simpler by reversing the condition instead of breaking the loop. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 0d50336ab26a56240c8c17ca1ec6135a4092fcc9.1584457537.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17hw/ide: Remove now unneded #include "hw/pci/pci.h" from hw/ide.hBALATON Zoltan1-0/+1
After previous patches we don't need hw/pci/pci.h any more in hw/ide.h. Some files depended on implicit inclusion by this header which are also fixed up here. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 444a5e34331bf1f7880541b8d46e0353f470f5a6.1584457537.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17hw/ide: Get rid of piix4_init functionBALATON Zoltan1-11/+1
This removes pci_piix4_ide_init() function similar to clean up done to other ide devices. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: fe46b6536abbae77695f6d1c711a04a3f4b5481d.1584457537.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17hw/ide: Get rid of piix3_init functionsBALATON Zoltan2-20/+2
This removes pci_piix3_ide_init() and pci_piix3_xen_ide_init() functions similar to clean up done to other ide devices. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: adddfa21552783020d64e1314318cab6d24362c3.1584457537.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16via-ide: always use legacy IRQ 14/15 routingMark Cave-Ayland1-4/+1
The existing code uses fixed PCI IRQ routing on IRQ 14 rather than legacy IRQ 14/15 routing as documented in the datasheet. With the changes in this patchset guest OSs now correctly detect and configure the VIA controller in legacy IRQ routing mode, allowing the incorrect fixed PCI IRQ routing to be removed. Note that this fixed legacy IRQ 14/15 routing is identical to similar behaviour in the early PIIX IDE controllers. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200313082444.2439-8-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16via-ide: allow guests to write to PCI_CLASS_PROGMark Cave-Ayland1-0/+1
MorphOS writes to PCI_CLASS_PROG during IDE initialisation to place the controller in native mode, but thinks the initialisation has failed because the native mode bits aren't set when reading the register back. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200313082444.2439-7-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16via-ide: initialise IDE controller in legacy modeMark Cave-Ayland1-1/+1
According to both the VT82C686B and VT8231 datasheets the VIA Southbridge IDE controller is initialised in legacy mode. This allows Linux to correctly determine that legacy rather than PCI IRQ routing should be used since the boot console text in the fulong2e test image changes from: scsi0 : pata_via scsi1 : pata_via ata1: PATA max UDMA/100 cmd 0xffffffffbfd04050 ctl 0xffffffffbfd04062 \ bmdma 0xffffffffbfd04040 irq 14 ata2: PATA max UDMA/100 cmd 0xffffffffbfd04058 ctl 0xffffffffbfd04066 \ bmdma 0xffffffffbfd04048 irq 14 to: scsi0 : pata_via scsi1 : pata_via ata1: PATA max UDMA/100 cmd 0xffffffffbfd001f0 ctl 0xffffffffbfd003f6 \ bmdma 0xffffffffbfd04040 irq 14 ata2: PATA max UDMA/100 cmd 0xffffffffbfd00170 ctl 0xffffffffbfd00376 \ bmdma 0xffffffffbfd04048 irq 15 Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200313082444.2439-6-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16via-ide: ensure that PCI_INTERRUPT_LINE is hard-wired to its default valueMark Cave-Ayland1-1/+1
Some firmwares accidentally write to PCI_INTERRUPT_LINE on startup which has no effect on real hardware since it is hard-wired to its default value, but causes the guest OS to become confused trying to initialise IDE devices when running under QEMU. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200313082444.2439-5-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16ide/via: Get rid of via_ide_init()BALATON Zoltan1-8/+0
Follow example of CMD646 and remove via_ide_init function and do it directly in board code instead. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-id: 20200313082444.2439-3-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-16via-ide: move registration of VMStateDescription to DeviceClassMark Cave-Ayland1-2/+1
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: 20200313082444.2439-2-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-10cmd646: remove unused pci_cmd646_ide_init() functionMark Cave-Ayland1-12/+0
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200307091313.24190-3-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-09cmd646: register vmstate_ide_pci VMStateDescription in DeviceClassMark Cave-Ayland1-2/+1
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200307151536.32709-3-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-09cmd646: register cmd646_reset() function in DeviceClassMark Cave-Ayland1-3/+3
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200307151536.32709-2-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
2020-02-20hw/ide: Let the DMAIntFunc prototype use a boolean 'is_write' argumentPhilippe Mathieu-Daudé4-4/+4
The 'is_write' argument is either 0 or 1. Convert it to a boolean type. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-01-30add device_legacy_reset function to prepare for reset api changeDamien Hedde1-4/+4
Provide a temporary device_legacy_reset function doing what device_reset does to prepare for the transition with Resettable API. All occurrence of device_reset in the code tree are also replaced by device_legacy_reset. The new resettable API has different prototype and semantics (resetting child buses as well as the specified device). Subsequent commits will make the changeover for each call site individually; once that is complete device_legacy_reset() will be removed. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Cornelia Huck <cohuck@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-2-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-27ide: Fix incorrect handling of some PRDTs in ide_dma_cb()Alexander Popov1-8/+22
The commit a718978ed58a from July 2015 introduced the assertion which implies that the size of successful DMA transfers handled in ide_dma_cb() should be multiple of 512 (the size of a sector). But guest systems can initiate DMA transfers that don't fit this requirement. For fixing that let's check the number of bytes prepared for the transfer by the prepare_buf() handler. The code in ide_dma_cb() must behave according to the Programming Interface for Bus Master IDE Controller (Revision 1.0 5/16/94): 1. If PRDs specified a smaller size than the IDE transfer size, then the Interrupt and Active bits in the Controller status register are not set (Error Condition). 2. If the size of the physical memory regions was equal to the IDE device transfer size, the Interrupt bit in the Controller status register is set to 1, Active bit is set to 0. 3. If PRDs specified a larger size than the IDE transfer size, the Interrupt and Active bits in the Controller status register are both set to 1. Signed-off-by: Alexander Popov <alex.popov@linux.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 20191223175117.508990-2-alex.popov@linux.com Signed-off-by: John Snow <jsnow@redhat.com>
2020-01-24qdev: set properties with device_class_set_props()Marc-André Lureau6-9/+9
The following patch will need to handle properties registration during class_init time. Let's use a device_class_set_props() setter. spatch --macro-file scripts/cocci-macro-file.h --sp-file ./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place --dir . @@ typedef DeviceClass; DeviceClass *d; expression val; @@ - d->props = val + device_class_set_props(d, val) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-06vmstate: replace DeviceState with VMStateIfMarc-André Lureau4-4/+4
Replace DeviceState dependency with VMStateIf on vmstate API. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Halil Pasic <pasic@linux.ibm.com>
2019-10-31bootdevice: Gather LCHS from all relevant devicesSam Eiderman1-0/+5
Relevant devices are: * ide-hd (and ide-cd, ide-drive) * scsi-hd (and scsi-cd, scsi-disk, scsi-block) * virtio-blk-pci We do not call del_boot_device_lchs() for ide-* since we don't need to - IDE block devices do not support unplugging. Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com> Reviewed-by: Arbel Moshe <arbel.moshe@oracle.com> Signed-off-by: Sam Eiderman <shmuel.eiderman@oracle.com> Signed-off-by: Sam Eiderman <sameid@google.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com>
generated by cgit v1.1 at 2024-12-27 08:37:51 +0000