bdrv_iterate_format (which is currently only used for printing out the
formats supported by the block layer) doesn't take format whitelisting
into account.
This creates a problem for tests: they enumerate supported formats to
decide which tests to enable, but then discover that QEMU doesn't let
them actually use some of those formats.
To avoid that, exclude formats that are not whitelisted from
enumeration, if whitelisting is in use. Since we have separate
whitelists for r/w and r/o, take this a parameter to
bdrv_iterate_format, and print two lists of supported formats (r/w and
r/o) in main qemu.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Let's use a wrapper instead of looking it up manually. This function can
than be reused when we explicitly want to have the bus hotplug handler
(e.g. when the bus hotplug handler was overwritten by the machine
hotplug handler).
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190228122849.4296-4-david@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
it will allow to return another hotplug handler than the default
one for a specific bus based device type. Which is needed to handle
non trivial plug/unplug sequences that need the access to resources
configured outside of bus where device is attached.
That will allow for returned hotplug handler to orchestrate wiring
in arbitrary order, by chaining other hotplug handlers when
it's needed.
PS:
It could be used for hybrid virtio-mem and virtio-pmem devices
where it will return machine as hotplug handler which will do
necessary wiring at machine level and then pass control down
the chain to bus specific hotplug handler.
Example of top level hotplug handler override and custom plug sequence:
some_machine_get_hotplug_handler(machine){
if (object_dynamic_cast(OBJECT(dev), TYPE_SOME_BUS_DEVICE)) {
return HOTPLUG_HANDLER(machine);
}
return NULL;
}
some_machine_device_plug(hotplug_dev, dev) {
if (object_dynamic_cast(OBJECT(dev), TYPE_SOME_BUS_DEVICE)) {
/* do machine specific initialization */
some_machine_init_special_device(dev)
/* pass control to bus specific handler */
hotplug_handler_plug(dev->parent_bus->hotplug_handler, dev)
}
}
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190228122849.4296-3-david@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The qbus_is_full(BusState *bus) function (qdev_monitor.c) compares the max_index
value of the BusState structure with the max_dev value of the BusClass structure
to determine whether the maximum number of children has been reached for the
bus. The problem is, the max_index field of the BusState structure does not
necessarily reflect the number of devices that have been plugged into
the bus.
Whenever a child device is plugged into the bus, the bus's max_index value is
assigned to the child device and then incremented. If the child is subsequently
unplugged, the value of the max_index does not change and no longer reflects the
number of children.
When the bus's max_index value reaches the maximum number of devices
allowed for the bus (i.e., the max_dev field in the BusClass structure),
attempts to plug another device will be rejected claiming that the bus is
full -- even if the bus is actually empty.
To resolve the problem, a new 'num_children' field is being added to the
BusState structure to keep track of the number of children plugged into the
bus. It will be incremented when a child is plugged, and decremented when a
child is unplugged.
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Pierre Morel<pmorel@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <1545062250-7573-1-git-send-email-akrowiak@linux.ibm.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
(This replaces the pull sent yesterday)
a) 4 small fixes including the cancel problem
that caused the ahci migration test to fail
intermittently
b) Yury's ignore-shared feature
c) Juan's extra tests
d) Wei Wang's free page hinting
e) Some Colo fixes from Zhang Chen
Diff from yesterdays pull:
1) A missing fix of mine (cleanup during exit)
2) Changes from Eric/Markus on 'Create socket-address parameter'
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20190306a' into staging
Migation pull 2019-03-06
(This replaces the pull sent yesterday)
a) 4 small fixes including the cancel problem
that caused the ahci migration test to fail
intermittently
b) Yury's ignore-shared feature
c) Juan's extra tests
d) Wei Wang's free page hinting
e) Some Colo fixes from Zhang Chen
Diff from yesterdays pull:
1) A missing fix of mine (cleanup during exit)
2) Changes from Eric/Markus on 'Create socket-address parameter'
# gpg: Signature made Wed 06 Mar 2019 11:39:53 GMT
# gpg: using RSA key 0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7
* remotes/dgilbert/tags/pull-migration-20190306a: (22 commits)
qapi/migration.json: Remove a variable that doesn't exist in example
Migration/colo.c: Make COLO node running after failover
Migration/colo.c: Fix double close bug when occur COLO failover
virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
migration/ram.c: add the free page optimization enable flag
migration/ram.c: add a notifier chain for precopy
migration: API to clear bits of guest free pages from the dirty bitmap
migration: use bitmap_mutex in migration_bitmap_clear_dirty
bitmap: bitmap_count_one_with_offset
bitmap: fix bitmap_count_one
tests: Add basic migration precopy tcp test
migration: Create socket-address parameter
tests: Add migration xbzrle test
migration: Add capabilities validation
tests/migration-test: Add a test for ignore-shared capability
migration: Add an ability to ignore shared RAM blocks
migration: Introduce ignore-shared capability
exec: Change RAMBlockIterFunc definition
migration/rdma: clang compilation fix
migration: Cleanup during exit
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The new feature enables the virtio-balloon device to receive hints of
guest free pages from the free page vq.
A notifier is registered to the migration precopy notifier chain. The
notifier calls free_page_start after the migration thread syncs the dirty
bitmap, so that the free page optimization starts to clear bits of free
pages from the bitmap. It calls the free_page_stop before the migration
thread syncs the bitmap, which is the end of the current round of ram
save. The free_page_stop is also called to stop the optimization in the
case when there is an error occurred in the process of ram saving.
Note: balloon will report pages which were free at the time of this call.
As the reporting happens asynchronously, dirty bit logging must be
enabled before this free_page_start call is made. Guest reporting must be
disabled before the migration dirty bitmap is synchronized.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-8-git-send-email-wei.w.wang@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
dgilbert: Dropped kernel header update, fixed up CMD_ID_* name change
This patch adds the free page optimization enable flag, and a function
to set this flag. When the free page optimization is enabled, not all
the pages are needed to be sent in the bulk stage.
Why using a new flag, instead of directly disabling ram_bulk_stage when
the optimization is running?
Thanks for Peter Xu's reminder that disabling ram_bulk_stage will affect
the use of compression. Please see save_page_use_compression. When
xbzrle and compression are used, if free page optimizaion causes the
ram_bulk_stage to be disabled, save_page_use_compression will return
false, which disables the use of compression. That is, if free page
optimization avoids the sending of half of the guest pages, the other
half of pages loses the benefits of compression in the meantime. Using a
new flag to let migration_bitmap_find_dirty skip the free pages in the
bulk stage will avoid the above issue.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-7-git-send-email-wei.w.wang@intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This patch adds a notifier chain for the memory precopy. This enables various
precopy optimizations to be invoked at specific places.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-6-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This patch adds an API to clear bits corresponding to guest free pages
from the dirty bitmap. Spilt the free page block if it crosses the QEMU
RAMBlock boundary.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-5-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Count the number of 1s in a bitmap starting from an offset.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1544516693-5395-3-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
BITMAP_LAST_WORD_MASK(nbits) returns 0xffffffff when "nbits=0", which
makes bitmap_count_one fail to handle the "nbits=0" case. It appears to be
preferred to remain BITMAP_LAST_WORD_MASK identical to the kernel
implementation that it is ported from.
So this patch fixes bitmap_count_one to handle the nbits=0 case.
Inital Discussion Link:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg554316.html
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-2-git-send-email-wei.w.wang@intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
If ignore-shared capability is set then skip shared RAMBlocks during the
RAM migration.
Also, move qemu_ram_foreach_migratable_block (and rename) to the
migration code, because it requires access to the migration capabilities.
Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Message-Id: <20190215174548.2630-4-yury-kotov@yandex-team.ru>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Currently, qemu_ram_foreach_* calls RAMBlockIterFunc with many
block-specific arguments. But often iter func needs RAMBlock*.
This refactoring is needed for fast access to RAMBlock flags from
qemu_ram_foreach_block's callback. The only way to achieve this now
is to call qemu_ram_block_from_host (which also enumerates blocks).
So, this patch reduces complexity of
qemu_ram_foreach_block() -> cb() -> qemu_ram_block_from_host()
from O(n^2) to O(n).
Fix RAMBlockIterFunc definition and add some functions to read
RAMBlock* fields witch were passed.
Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Message-Id: <20190215174548.2630-2-yury-kotov@yandex-team.ru>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Currently we cleanup the migration object as we exit main after the
main_loop finishes; however if there's a migration running things
get messy and we can end up with the migration thread still trying
to access freed structures.
We now take a ref to the object around the migration thread itself,
so the act of dropping the ref during exit doesn't cause us to lose
the state until the thread quits.
Cancelling the migration during migration also tries to get the thread
to quit.
We do this a bit earlier; so hopefully migration gets out of the way
before all the devices etc are freed.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190227164900.16378-1-dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
All accessors that have an endian infix DO have an underscore between
{size} and {endian}.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <155119086741.1037569.12734854713022304642.stgit@bahia.lan>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Function acpi_table_add_builtin() is not used anymore.
Remove the definition and declaration.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190214084939.20640-3-richardw.yang@linux.intel.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Function pc_acpi_init() is not used anymore.
Remove the definition and declaration.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190214084939.20640-2-richardw.yang@linux.intel.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Implement the watchdog timer for the stellaris boards.
This device is a close variant of the CMSDK APB watchdog
device, so we can model it by subclassing that device and
tweaking the behaviour of some of its registers.
Signed-off-by: Michel Heily <michelheily@gmail.com>
Reviewed-by: Peter Maydell <petser.maydell@linaro.org>
[PMM: rewrote commit message, fixed a few checkpatch nits,
added comment giving the URL of the spec for the Stellaris
variant of the watchdog device]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Up to now the memory map has been static and the high IO region
base has always been 256GiB.
This patch modifies the virt_set_memmap() function, which freezes
the memory map, so that the high IO range base becomes floating,
located after the initial RAM and the device memory.
The function computes
- the base of the device memory,
- the size of the device memory,
- the high IO region base
- the highest GPA used in the memory map.
Entries of the high IO region are assigned a base address. The
device memory is initialized.
The highest GPA used in the memory map will be used at VM creation
to choose the requested IPA size.
Setting all the existing highmem IO regions beyond the RAM
allows to have a single contiguous RAM region (initial RAM and
possible hotpluggable device memory). That way we do not need
to do invasive changes in the EDK2 FW to support a dynamic
RAM base.
Still the user cannot request an initial RAM size greater than 255GB.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-8-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
On ARM, the kvm_type will be resolved by querying the KVMState.
Let's add the MachineState handle to the callback so that we
can retrieve the KVMState handle. in kvm_init, when the callback
is called, the kvm_state variable is not yet set.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-5-eric.auger@redhat.com
[ppc parts]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In the prospect to introduce an extended memory map supporting more
RAM, let's split the memory map array into two parts:
- the former a15memmap, renamed base_memmap, contains regions below
and including the RAM. MemMapEntries initialized in this array
have a static size and base address.
- extended_memmap, only initialized with entries located after the
RAM. MemMapEntries initialized in this array only get their size
initialized. Their base address is dynamically computed depending
on the the top of the RAM, with same alignment as their size.
Eventually base_memmap entries are copied into the extended_memmap
array. Using two separate arrays however clarifies which entries
are statically allocated and those which are dynamically allocated.
This new split will allow to grow the RAM size without changing the
description of the high IO entries.
We introduce a new virt_set_memmap() helper function which
"freezes" the memory map. We call it in machvirt_init as
memory attributes of the machine are not yet set when
virt_instance_init() gets called.
The memory map is unchanged (the top of the initial RAM still is
256GiB). Then come the high IO regions with same layout as before.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-4-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In preparation for a split of the memory map into a static
part and a dynamic part floating after the RAM, let's rename the
regions located after the RAM
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-3-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some network devices have a capability to do self announcements
(ex: virtio-net). Add infrastructure that would allow devices
to expose this ability.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Switch the announcements to using the new announce timer.
Move the code that does it to announce.c rather than savevm
because it really has nothing to do with the actual migration.
Migration starts the announce from bh's and so they're all
in the main thread/bql, and so there's never any racing with
the timers themselves.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Switch virtio's self announcement to use the AnnounceTimer.
It keeps it's own AnnounceTimer (per device), and starts running it
using a migration post-load and a virtual clock; that way the
announce happens once the guest is actually running.
The timer uses the migration parameters to set the timing of
the repeats.
Based on earlier patches by myself and
Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Add migration parameters that control RARP/GARP announcement timeouts.
Based on earlier patches by myself and
Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The 'announce timer' will be used by migration, and explicit
requests for qemu to perform network announces.
Based on the work by Germano Veit Michel <germano@redhat.com>
and Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, cleanups, tests
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 22 Feb 2019 15:51:40 GMT
# gpg: using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (26 commits)
pci: Sanity test minimum downstream LNKSTA
hw/smbios: fix offset of type 3 sku field
pci: Move NVIDIA vendor id to the rest of ids
virtio-balloon: Safely handle BALLOON_PAGE_SIZE < host page size
virtio-balloon: Use ram_block_discard_range() instead of raw madvise()
virtio-balloon: Rework ballon_page() interface
virtio-balloon: Corrections to address verification
virtio-balloon: Remove unnecessary MADV_WILLNEED on deflate
i386/kvm: ignore masked irqs when update msi routes
contrib/vhost-user-blk: fix the compilation issue
Revert "contrib/vhost-user-blk: fix the compilation issue"
pc-dimm: use same mechanism for [get|set]_addr
tests/data: introduce "uefi-boot-images" with the "bios-tables-test" ISOs
tests/uefi-test-tools: add build scripts
tests: introduce "uefi-test-tools" with the BiosTablesTest UEFI app
roms: build the EfiRom utility from the roms/edk2 submodule
roms: add the edk2 project as a git submodule
vhost-user-test: create a temporary directory per TestServer
vhost-user-test: small changes to init_hugepagefs
vhost-user-test: create a main loop per TestServer
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This was changed a little bit since my post on Feb 20 (to which
there were no comments) due to changes I had to work around:
Change b296b664ab "smbus: Add a helper to generate SPD EEPROM
data" added a function to include/hw/i2c/smbus.h, which I had to move to
include/hw/smbus_eeprom.h.
There were some changes to hw/i2c/Makefile.objs that I had to fix up.
Beyond that, no changes.
Thanks,
-corey
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Merge remote-tracking branch 'remotes/cminyard/tags/i2c-for-release-20190228' into staging
This has been out there long enough, I need to get this in.
This was changed a little bit since my post on Feb 20 (to which
there were no comments) due to changes I had to work around:
Change b296b664ab "smbus: Add a helper to generate SPD EEPROM
data" added a function to include/hw/i2c/smbus.h, which I had to move to
include/hw/smbus_eeprom.h.
There were some changes to hw/i2c/Makefile.objs that I had to fix up.
Beyond that, no changes.
Thanks,
-corey
# gpg: Signature made Thu 28 Feb 2019 18:05:49 GMT
# gpg: using RSA key FD0D5CE67CE0F59A6688268661F38C90919BFF81
# gpg: Good signature from "Corey Minyard <cminyard@mvista.com>" [unknown]
# gpg: aka "Corey Minyard <minyard@acm.org>" [unknown]
# gpg: aka "Corey Minyard <corey@minyard.net>" [unknown]
# gpg: aka "Corey Minyard <minyard@mvista.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FD0D 5CE6 7CE0 F59A 6688 2686 61F3 8C90 919B FF81
* remotes/cminyard/tags/i2c-for-release-20190228:
i2c: Verify that the count passed in to smbus_eeprom_init() is valid
i2c:smbus_eeprom: Add a reset function to smbus_eeprom
i2c:smbus_eeprom: Add vmstate handling to the smbus eeprom
i2c:smbus_eeprom: Add a size constant for the smbus_eeprom size
i2c:smbus_eeprom: Add normal type name and cast to smbus_eeprom.c
i2c:smbus_slave: Add an SMBus vmstate structure
i2c:pm_smbus: Fix state transfer
migration: Add a VMSTATE_BOOL_TEST() macro
i2c:pm_smbus: Fix pm_smbus handling of I2C block read
boards.h: Ignore migration for SMBus devices on older machines
i2c:smbus: Make white space in switch statements consistent
i2c:smbus_eeprom: Get rid of the quick command
i2c:smbus: Simplify read handling
i2c:smbus: Simplify write operation
i2c:smbus: Correct the working of quick commands
i2c: Don't check return value from i2c_recv()
arm:i2c: Don't mask return from i2c_recv()
i2c: have I2C receive operation return uint8_t
i2c: Split smbus into parts
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* add MHU and dual-core support to Musca boards
* refactor some VFP insns to be gated by ID registers
* Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"
* Implement ARMv8.2-FHM extension
* Advertise JSCVT via HWCAP for linux-user
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190228-1' into staging
target-arm queue:
* add MHU and dual-core support to Musca boards
* refactor some VFP insns to be gated by ID registers
* Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"
* Implement ARMv8.2-FHM extension
* Advertise JSCVT via HWCAP for linux-user
# gpg: Signature made Thu 28 Feb 2019 11:06:55 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20190228-1:
linux-user: Enable HWCAP_ASIMDFHM, HWCAP_JSCVT
target/arm: Enable ARMv8.2-FHM for -cpu max
target/arm: Implement VFMAL and VFMSL for aarch32
target/arm: Implement FMLAL and FMLSL for aarch64
target/arm: Add helpers for FMLAL
Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"
target/arm: Gate "miscellaneous FP" insns by ID register field
target/arm: Use MVFR1 feature bits to gate A32/T32 FP16 instructions
hw/arm/armsse: Unify init-svtor and cpuwait handling
hw/arm/iotkit-sysctl: Implement CPUWAIT and INITSVTOR*
hw/arm/iotkit-sysctl: Add SSE-200 registers
hw/misc/iotkit-sysctl: Correct typo in INITSVTOR0 register name
target/arm/arm-powerctl: Add new arm_set_cpu_on_and_reset()
target/arm/cpu: Allow init-svtor property to be set after realize
hw/arm/armsse: Wire up the MHUs
hw/misc/armsse-mhu.c: Model the SSE-200 Message Handling Unit
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
At the moment the handling of init-svtor and cpuwait initial
values is split between armsse.c and iotkit-sysctl.c:
the code in armsse.c sets the initial state of the CPU
object by setting the init-svtor and start-powered-off
properties, but the iotkit-sysctl.c code has its own
code setting the reset values of its registers (which are
then used when updating the CPU when the guest makes
runtime changes).
Clean this up by making the armsse.c code set properties on the
iotkit-sysctl object to define the initial values of the
registers, so they always match the initial CPU state,
and update the comments in armsse.c accordingly.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190219125808.25174-9-peter.maydell@linaro.org
The SYSCTL block in the SSE-200 has some extra registers that
are not present in the IoTKit version. Add these registers
(as reads-as-written stubs), enabled by a new QOM property.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190219125808.25174-7-peter.maydell@linaro.org
The iotkit-sysctl device has a register it names INITSVRTOR0.
This is actually a typo present in the IoTKit documentation
and also in part of the SSE-200 documentation: it should be
INITSVTOR0 because it is specifying the initial value of the
Secure VTOR register in the CPU. Correct the typo.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190219125808.25174-6-peter.maydell@linaro.org
Create and connect the MHUs in the SSE-200.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190219125808.25174-3-peter.maydell@linaro.org
Implement a model of the Message Handling Unit (MHU) found in
the Arm SSE-200. This is a simple device which just contains
some registers which allow the two cores of the SSE-200
to raise interrupts on each other.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190219125808.25174-2-peter.maydell@linaro.org
Next set of patches for ppc and spapr. There's a lot in this one:
* Support "STOP light" states on POWER9
* Add support for HVI interrupts on POWER9 (powernv machine)
* CVE-2019-8934: Don't leak host model and serial information to the guest
* Tests and cleanups for various hot unplug options
* Hash and radix MMU implementation on POWER9 for powernv machine
* PCI Host Bridge hotplug support for pseries machine
* Allow larger kernels and initrds for powernv machine
Plus a handful of miscellaneous fixes and cleanups.
The cpu hotplug tests and cleanups from David Hildenbrand aren't
solely power related. However the consensus amongst Michael Tsirkin,
David Hildenbrand, Cornelia Huck and myself was that it made most
sense to come in via my tree.
-----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.0-20190226' into staging
ppc patch queue 2019-02-26
Next set of patches for ppc and spapr. There's a lot in this one:
* Support "STOP light" states on POWER9
* Add support for HVI interrupts on POWER9 (powernv machine)
* CVE-2019-8934: Don't leak host model and serial information to the guest
* Tests and cleanups for various hot unplug options
* Hash and radix MMU implementation on POWER9 for powernv machine
* PCI Host Bridge hotplug support for pseries machine
* Allow larger kernels and initrds for powernv machine
Plus a handful of miscellaneous fixes and cleanups.
The cpu hotplug tests and cleanups from David Hildenbrand aren't
solely power related. However the consensus amongst Michael Tsirkin,
David Hildenbrand, Cornelia Huck and myself was that it made most
sense to come in via my tree.
# gpg: Signature made Tue 26 Feb 2019 03:37:46 GMT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-4.0-20190226: (50 commits)
ppc/pnv: use IEC binary prefixes to represent sizes
ppc/pnv: add INITRD_MAX_SIZE constant
ppc/pnv: increase kernel size limit to 256MiB
hw/ppc: Use object_initialize_child for correct reference counting
ppc/xive: xive does not have a POWER7 interrupt model
tests/device-plug: Add PHB unplug request test for spapr
spapr: enable PHB hotplug for default pseries machine type
spapr: add hotplug hooks for PHB hotplug
spapr_pci: add ibm, my-drc-index property for PHB hotplug
spapr_pci: provide node start offset via spapr_populate_pci_dt()
spapr_events: add support for phb hotplug events
spapr: populate PHB DRC entries for root DT node
spapr: create DR connectors for PHBs
spapr_pci: add PHB unrealize
spapr_irq: Expose the phandle of the interrupt controller
spapr: Expose the name of the interrupt controller node
xics: Write source state to KVM at claim time
spapr/drc: Drop spapr_drc_attach() fdt argument
spapr/pci: Generate FDT fragment at configure connector time
spapr: Generate FDT fragment for CPUs at configure connector time
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There is no vmstate handling for SMBus, so no device sitting on SMBus
can have a state transfer that works reliably. So add it.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Transfer the state information for the SMBus registers and
internal data so it will work on a VM transfer.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This will be needed by coming I2C changes.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
The I2C block read function of pm_smbus was completely broken. It
required doing some direct I2C handling because it didn't have a
defined size, the OS code just reads bytes until it marks the
transaction finished.
This also required adjusting how the AMIBIOS workaround code worked,
the I2C block mode was setting STS_HOST_BUSY during a transaction,
so that bit could no longer be used to inform the host status read
code to start the transaction. Create a explicit bool for that
operation.
Also, don't read the next byte from the device in byte-by-byte
mode unless the OS is actually clearing the byte done bit. Just
assuming that's what the OS is doing is a bad idea.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Migration capability is being added for pm_smbus and SMBus devices.
This change will allow backwards compatibility to be kept when
migrating back to an old qemu version. Add a bool to the machine
class tho keep smbus migration from happening. Future changes
will use this.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
There were two different read functions, and with the removal of
the command passed in there is no functional difference. So remove
one of them. With that you don't need one of the states, so that
can be removed, too.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
There were two different write functions and the SMBus code kept
track of the command.
Keeping track of the command wasn't useful, in fact it wasn't quite
correct for the eeprom_smbus code. And there is no need for two write
functions. Just have one write function and the first byte in the
buffer is the command.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
The logic of handling quick SMBus commands was wrong. If you get a
finish event with no data, that's a quick command.
Document the quick command while we are at it.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
It is never supposed to fail and cannot return an error, so just
have it return the proper type. Have it return 0xff on nothing
available, since that's what would happen on a real bus.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
smbus.c and smbus.h had device side code, master side code, and
smbus.h has some smbus_eeprom.c definitions. Split them into
separate files.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
- Block graph change fixes (avoid loops, cope with non-tree graphs)
- bdrv_set_aio_context() related fixes
- HMP snapshot commands: Use only tag, not the ID to identify snapshots
- qmeu-img, commit: Error path fixes
- block/nvme: Build fix for gcc 9
- MAINTAINERS updates
- Fix various issues with bdrv_refresh_filename()
- Fix various iotests
- Include LUKS overhead in qemu-img measure for qcow2
- A fix for vmdk's image creation interface
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=gaah
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches:
- Block graph change fixes (avoid loops, cope with non-tree graphs)
- bdrv_set_aio_context() related fixes
- HMP snapshot commands: Use only tag, not the ID to identify snapshots
- qmeu-img, commit: Error path fixes
- block/nvme: Build fix for gcc 9
- MAINTAINERS updates
- Fix various issues with bdrv_refresh_filename()
- Fix various iotests
- Include LUKS overhead in qemu-img measure for qcow2
- A fix for vmdk's image creation interface
# gpg: Signature made Mon 25 Feb 2019 14:18:15 GMT
# gpg: using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (71 commits)
iotests: Skip 211 on insufficient memory
vmdk: false positive of compat6 with hwversion not set
iotests: add LUKS payload overhead to 178 qemu-img measure test
qcow2: include LUKS payload overhead in qemu-img measure
iotests.py: s/_/-/g on keys in qmp_log()
iotests: Let 045 be run concurrently
iotests: Filter SSH paths
iotests.py: Filter filename in any string value
iotests.py: Add is_str()
iotests: Fix 207 to use QMP filters for qmp_log
iotests: Fix 232 for LUKS
iotests: Remove superfluous rm from 232
iotests: Fix 237 for Python 2.x
iotests: Re-add filename filters
iotests: Test json:{} filenames of internal BDSs
block: BDS options may lack the "driver" option
block/null: Generate filename even with latency-ns
block/curl: Implement bdrv_refresh_filename()
block/curl: Harmonize option defaults
block/nvme: Fix bdrv_refresh_filename()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
