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Markus Armbruster 5400c02b90 ivshmem: Split ivshmem-plain, ivshmem-doorbell off ivshmem 
ivshmem can be configured with and without interrupt capability
(a.k.a. "doorbell").  The two configurations have largely disjoint
options, which makes for a confusing (and badly checked) user
interface.  Moreover, the device can't tell the guest whether its
doorbell is enabled.

Create two new device models ivshmem-plain and ivshmem-doorbell, and
deprecate the old one.

Changes from ivshmem:

* PCI revision is 1 instead of 0.  The new revision is fully backwards
  compatible for guests.  Guests may elect to require at least
  revision 1 to make sure they're not exposed to the funny "no shared
  memory, yet" state.

* Property "role" replaced by "master".  role=master becomes
  master=on, role=peer becomes master=off.  Default is off instead of
  auto.

* Property "use64" is gone.  The new devices always have 64 bit BARs.

Changes from ivshmem to ivshmem-plain:

* The Interrupt Pin register in PCI config space is zero (does not use
  an interrupt pin) instead of one (uses INTA).

* Property "x-memdev" is renamed to "memdev".

* Properties "shm" and "size" are gone.  Use property "memdev"
  instead.

* Property "msi" is gone.  The new device can't have MSI-X capability.
  It can't interrupt anyway.

* Properties "ioeventfd" and "vectors" are gone.  They're meaningless
  without interrupts anyway.

Changes from ivshmem to ivshmem-doorbell:

* Property "msi" is gone.  The new device always has MSI-X capability.

* Property "ioeventfd" defaults to on instead of off.

* Property "size" is gone.  The new device can only map all the shared
  memory received from the server.

Guests can easily find out whether the device is configured for
interrupts by checking for MSI-X capability.

Note: some code added in sub-optimal places to make the diff easier to
review.  The next commit will move it to more sensible places.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1458066895-20632-37-git-send-email-armbru@redhat.com>
2016-03-21 21:29:03 +01:00
..
acpi-test-data acpi-test: update UID for GSI links 2016-03-15 23:25:52 +02:00
guest-debug tests/guest-debug: introduce basic gdbstub tests 2015-12-17 13:37:15 +00:00
image-fuzzer tests: Use Python 2.6 "except E as ..." syntax 2016-02-08 17:29:54 +01:00
libqos tests/libqos/pci-pc: Fix qpci_pc_iomap() to map BARs aligned 2016-03-21 21:28:59 +01:00
multiboot tests/multiboot: Add test for modules 2015-01-26 12:22:44 +01:00
qapi-schema qapi: Drop useless 'data' member of unions 2016-03-05 10:42:06 +01:00
qemu-iotests iotests: Test QUORUM_REPORT_BAD in fifo mode 2016-03-17 16:43:30 +01:00
rocker rocker: tests: don't need to specify master/self when setting vlans 2015-07-07 13:13:22 +01:00
tcg maint: remove unused include for signal.h 2015-09-11 10:21:38 +03:00
vmstate-static-checker-data tests: vmstate static checker: add size mismatch inside substructure 2014-06-23 19:14:52 +02:00
.gitignore crypto: add QCryptoSecret object class for password/key handling 2015-12-18 16:25:08 +00:00
ac97-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ahci-test.c ide: Clean up includes 2016-01-29 15:07:23 +00:00
bios-tables-test.c vhost, virtio, pci, pxe 2016-02-19 10:50:37 +00:00
boot-order-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
boot-sector.c all: Clean up includes 2016-02-23 12:43:05 +00:00
boot-sector.h tests: add pxe e1000 and virtio-pci tests 2016-02-16 12:05:18 +02:00
check-block.sh qemu-iotests: make check-block.sh work on out-of-tree builds 2016-01-07 21:30:16 +01:00
check-qdict.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qfloat.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qint.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qjson.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qlist.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qom-interface.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qom-proplist.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
check-qstring.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
crypto-tls-x509-helpers.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
crypto-tls-x509-helpers.h crypto: add sanity checking of TLS x509 credentials 2015-09-15 15:05:09 +01:00
device-introspect-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
display-vga-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
drive_del-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ds1338-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
e1000-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
eepro100-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
endianness-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
es1370-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
fdc-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
fw_cfg-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
hd-geo-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
i440fx-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
i82801b11-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ide-test.c ide: Clean up includes 2016-01-29 15:07:23 +00:00
intel-hda-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
io-channel-helpers.c io: assert errors before asserting content in I/O test 2016-03-10 17:10:18 +00:00
io-channel-helpers.h io: add QIOChannelSocket class 2015-12-18 12:18:31 +00:00
ioh3420-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ipmi-bt-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ipmi-kcs-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ipoctal232-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
ivshmem-test.c ivshmem: Split ivshmem-plain, ivshmem-doorbell off ivshmem 2016-03-21 21:29:03 +01:00
libqtest.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
libqtest.h all: Clean up includes 2016-02-23 12:43:05 +00:00
m48t59-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
Makefile event_notifier: Make event_notifier_init_fd() #ifdef CONFIG_EVENTFD 2016-03-21 21:28:59 +01:00
ne2000-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
nvme-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
pc-cpu-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
pcnet-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
pkix_asn1_tab.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
pvpanic-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
pxe-test.c all: Clean up includes 2016-02-23 12:43:05 +00:00
q35-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
qemu-iotests-quick.sh qemu-iotests: Speed up make check-block 2015-01-13 11:47:55 +00:00
qom-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
rcutorture.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
rtc-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
rtl8139-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
spapr-phb-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
tco-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-aio.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-base64.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-bitops.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-blockjob-txn.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-coroutine.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-crypto-cipher.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-crypto-hash.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-crypto-secret.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-crypto-tlscredsx509.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-crypto-tlssession.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-cutils.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-hbitmap.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-int128.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-io-channel-buffer.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-io-channel-command.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-io-channel-file.c Merge I/O fixes 2016/02/16 v1 2016-02-16 15:47:35 +00:00
test-io-channel-socket.c io: stronger check for support for IPv4/6 2016-03-15 13:55:52 +00:00
test-io-channel-tls.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-io-task.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-iov.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-mul64.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-netfilter.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-opts-visitor.c qapi-dealloc: Reduce use outside of generated code 2016-03-04 17:16:32 +01:00
test-qdev-global-props.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-qemu-opts.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-qga.c qga: Support enum names in guest-file-seek 2016-02-25 09:48:50 -06:00
test-qmp-commands.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-qmp-event.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-qmp-input-strict.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-qmp-input-visitor.c qapi: Don't box branches of flat unions 2016-02-19 11:08:57 +01:00
test-qmp-output-visitor.c qapi: Don't box branches of flat unions 2016-02-19 11:08:57 +01:00
test-rcu-list.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-rfifolock.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-string-input-visitor.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-string-output-visitor.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-thread-pool.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-throttle.c throttle: Test throttle_compute_wait() during bursts 2016-02-22 14:08:06 +01:00
test-timed-average.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-visitor-serialization.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-vmstate.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-write-threshold.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-x86-cpuid.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
test-xbzrle.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
tmp105-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
tpci200-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
usb-hcd-ehci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-ohci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-uhci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-xhci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
vhost-user-bridge.c tests/vhost-user-bridge: fix build on 32 bit systems 2016-02-25 13:14:19 +02:00
vhost-user-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-9p-test.c 9pfs: Clean up includes 2016-01-29 15:07:23 +00:00
virtio-balloon-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-blk-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-console-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-net-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-rng-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-scsi-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
virtio-serial-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
vmxnet3-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00
wdt_ib700-test.c tests: Clean up includes 2016-02-16 14:29:27 +00:00