Commit Graph

1276 Commits

Author SHA1 Message Date
Maxim Levitsky
a3579bfa0a block/amend: add 'force' option
'force' option will be used for some unsafe amend operations.

This includes things like erasing last keyslot in luks based formats
(which destroys the data, unless the master key is backed up
by external means), but that _might_ be desired result.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200608094030.670121-4-mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-07-06 08:49:28 +02:00
Peter Maydell
eb6490f544 target-arm queue:
* i.MX6UL EVK board: put PHYs in the correct places
  * hw/arm/virt: Let the virtio-iommu bypass MSIs
  * target/arm: kvm: Handle DABT with no valid ISS
  * hw/arm/virt-acpi-build: Only expose flash on older machine types
  * target/arm: Fix temp double-free in sve ldr/str
  * hw/display/bcm2835_fb.c: Initialize all fields of struct
  * hw/arm/spitz: Code cleanup to fix Coverity-detected memory leak
  * Deprecate TileGX port
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 =vdip
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200703' into staging

target-arm queue:
 * i.MX6UL EVK board: put PHYs in the correct places
 * hw/arm/virt: Let the virtio-iommu bypass MSIs
 * target/arm: kvm: Handle DABT with no valid ISS
 * hw/arm/virt-acpi-build: Only expose flash on older machine types
 * target/arm: Fix temp double-free in sve ldr/str
 * hw/display/bcm2835_fb.c: Initialize all fields of struct
 * hw/arm/spitz: Code cleanup to fix Coverity-detected memory leak
 * Deprecate TileGX port

# gpg: Signature made Fri 03 Jul 2020 17:53:05 BST
# 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-20200703: (34 commits)
  Deprecate TileGX port
  Replace uses of FROM_SSI_SLAVE() macro with QOM casts
  hw/arm/spitz: Provide usual QOM macros for corgi-ssp and spitz-lcdtg
  hw/arm/pxa2xx_pic: Use LOG_GUEST_ERROR for bad guest register accesses
  hw/arm/spitz: Use LOG_GUEST_ERROR for bad guest register accesses
  hw/gpio/zaurus.c: Use LOG_GUEST_ERROR for bad guest register accesses
  hw/arm/spitz: Encapsulate misc GPIO handling in a device
  hw/misc/max111x: Create header file for documentation, TYPE_ macros
  hw/misc/max111x: Use GPIO lines rather than max111x_set_input()
  hw/arm/spitz: Use max111x properties to set initial values
  ssi: Add ssi_realize_and_unref()
  hw/misc/max111x: Don't use vmstate_register()
  hw/misc/max111x: provide QOM properties for setting initial values
  hw/arm/spitz: Implement inbound GPIO lines for bit5 and power signals
  hw/arm/spitz: Keep pointers to scp0, scp1 in SpitzMachineState
  hw/arm/spitz: Keep pointers to MPU and SSI devices in SpitzMachineState
  hw/arm/spitz: Create SpitzMachineClass abstract base class
  hw/arm/spitz: Detabify
  hw/display/bcm2835_fb.c: Initialize all fields of struct
  target/arm: Fix temp double-free in sve ldr/str
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-04 16:08:41 +01:00
Peter Maydell
0f10bf84a9 Deprecate TileGX port
Deprecate our TileGX target support:
 * we have no active maintainer for it
 * it has had essentially no contributions (other than tree-wide cleanups
   and similar) since it was first added
 * the Linux kernel dropped support in 2018, as has glibc

Note the deprecation in the manual, but don't try to print a warning
when QEMU runs -- printing unsuppressable messages is more obtrusive
for linux-user mode than it would be for system-emulation mode, and
it doesn't seem worth trying to invent a new suppressible-error
system for linux-user just for this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20200619154831.26319-1-peter.maydell@linaro.org
2020-07-03 16:59:46 +01:00
Dr. David Alan Gilbert
3005c099ef virtiofsd: Allow addition or removal of capabilities
Allow capabilities to be added or removed from the allowed set for the
daemon; e.g.

default:
CapPrm: 00000000880000df
CapEff: 00000000880000df

-o modcaps=+sys_admin

CapPrm: 00000000882000df
CapEff: 00000000882000df

-o modcaps=+sys_admin:-chown

CapPrm: 00000000882000de
CapEff: 00000000882000de

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200629115420.98443-4-dgilbert@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-07-03 16:23:05 +01:00
Igor Mammedov
32a354dc6c numa: forbid '-numa node, mem' for 5.1 and newer machine types
Deprecation period is run out and it's a time to flip the switch
introduced by cd5ff8333a.  Disable legacy option for new machine
types (since 5.1) and amend documentation.

'-numa node,memdev' shall be used instead of disabled option
with new machine types.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200609135635.761587-1-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-26 09:39:39 -04:00
Liao Pingfang
c13dba2c77 Makefile: Install qemu-[qmp/ga]-ref.* into the directory "interop"
We need install qemu-[qmp/ga]-ref.* files into the subdirectory of qemu docs: interop.

If we visit the following address and click the link to qemu-qmp-ref.html:
https://www.qemu.org/docs/master/interop/bitmaps.html#basic-qmp-usage

It will report following error:
"
Not Found
The requested URL /docs/master/interop/qemu-qmp-ref.html was not found on this server.
"

Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1591663670-47712-1-git-send-email-wang.yi59@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-26 09:39:37 -04:00
Jingqi Liu
5f509751f7 docs/nvdimm: add description of alignment requirement of device dax
For device dax (e.g., /dev/dax0.0), the NUM of 'align=NUM' option
needs to match the alignment requirement of the device dax.
It must be larger than or equal to the 'align' of device dax.

Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Jingqi Liu <jingqi.liu@intel.com>
Message-Id: <20200429085011.63752-3-jingqi.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-26 09:39:36 -04:00
Peter Maydell
63d211993b virtio,acpi,pci: fixes, cleanups.
Fixes, cleanups in ACPI, PCI, virtio.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,acpi,pci: fixes, cleanups.

Fixes, cleanups in ACPI, PCI, virtio.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Thu 25 Jun 2020 07:48:47 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# 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:
  Rename use_acpi_pci_hotplug to more appropriate use_acpi_hotplug_bridge
  Stop vhost-user sending uninitialized mmap_offsets
  docs/specs/tpm: ACPI boot now supported for TPM/ARM
  arm/acpi: Add the TPM2.0 device under the DSDT
  acpi: Some build_tpm2() code reshape
  tests/acpi: update expected data files
  acpi: q35: drop _SB.PCI0.ISA.LPCD opregion.
  acpi: drop build_piix4_pm()
  acpi: drop serial/parallel enable bits from dsdt
  acpi: simplify build_isa_devices_aml()
  acpi: factor out fw_cfg_add_acpi_dsdt()
  acpi: move aml builder code for i8042 (kbd+mouse) device
  floppy: move cmos_get_fd_drive_type() from pc
  floppy: make isa_fdc_get_drive_max_chs static
  acpi: move aml builder code for floppy device
  acpi: bios-tables-test: show more context on asl diffs
  qtest: allow DSDT acpi table changes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-25 16:52:42 +01:00
Peter Maydell
0250c595c9 Qdev patches for 2020-06-23
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 =Fhsu
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-qdev-2020-06-23' into staging

Qdev patches for 2020-06-23

# gpg: Signature made Tue 23 Jun 2020 15:08:28 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qdev-2020-06-23:
  sd/milkymist-memcard: Fix error API violation
  sd/pxa2xx_mmci: Don't crash on pxa2xx_mmci_init() error
  arm/aspeed: Drop aspeed_board_init_flashes() parameter @errp
  qdev: Make qdev_prop_set_drive() match the other helpers
  qdev: Reject chardev property override
  qdev: Reject drive property override
  qdev: Improve netdev property override error a bit
  qdev: Eliminate get_pointer(), set_pointer()
  blockdev: Deprecate -drive with bogus interface type
  docs/qdev-device-use.txt: Update section "Default Devices"
  fdc: Deprecate configuring floppies with -global isa-fdc
  fdc: Open-code fdctrl_init_isa()
  fdc: Reject clash between -drive if=floppy and -global isa-fdc
  iotests/172: Cover -global floppy.drive=...
  iotests/172: Cover empty filename and multiple use of drives
  iotests/172: Include "info block" in test output

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-25 09:34:52 +01:00
Eric Auger
56172c4ccd docs/specs/tpm: ACPI boot now supported for TPM/ARM
ACPI boot now is supported. Let's remove the comment
saying it is not.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200622140620.17229-4-eric.auger@redhat.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-24 17:18:28 -04:00
Peter Maydell
27c77b1f55 Merge tpm 2020/06/23 v1
-----BEGIN PGP SIGNATURE-----
 
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 =Iew1
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2020-06-23-1' into staging

Merge tpm 2020/06/23 v1

# gpg: Signature made Tue 23 Jun 2020 12:35:03 BST
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2020-06-23-1:
  tpm: Move backend code under the 'backends/' directory
  hw/tpm: Make 'tpm_util.h' publicly accessible as "sysemu/tpm_util.h"
  hw/tpm: Move DEFINE_PROP_TPMBE() macro to 'tmp_prop.h' local header
  hw/tpm: Move few declarations from 'tpm_util.h' to 'tpm_int.h'
  hw/tpm: Make TRACE_TPM_UTIL_SHOW_BUFFER check local to tpm_util.c
  hw/tpm: Remove unnecessary 'tpm_int.h' header inclusion
  hw/tpm: Move 'hw/acpi/tpm.h' inclusion from header to sources
  hw/tpm: Include missing 'qemu/option.h' header
  hw/tpm: Do not include 'qemu/osdep.h' in header
  hw/tpm: Rename TPMDEV as TPM_BACKEND in Kconfig
  backends: Add TPM files into their own directory
  docs/specs/tpm: Correct header path name

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-24 21:19:53 +01:00
Markus Armbruster
a1b40bda08 blockdev: Deprecate -drive with bogus interface type
Drives with interface types other than if=none are for onboard
devices.  Unfortunately, any such drives the board doesn't pick up can
still be used with -device, like this:

    $ qemu-system-x86_64 -nodefaults -display none -S -drive if=floppy,id=bogus,unit=7 -device ide-cd,drive=bogus -monitor stdio
    QEMU 5.0.50 monitor - type 'help' for more information
    (qemu) info block
    bogus: [not inserted]
	Attached to:      /machine/peripheral-anon/device[0]
	Removable device: not locked, tray closed
    (qemu) info qtree
    bus: main-system-bus
      type System
      [...]
	    bus: ide.1
	      type IDE
	      dev: ide-cd, id ""
--->		drive = "bogus"
		[...]
		unit = 0 (0x0)
      [...]

This kind of abuse has always worked.  Deprecate it:

    qemu-system-x86_64: -drive if=floppy,id=bogus,unit=7: warning: bogus if=floppy is deprecated, use if=none

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-9-armbru@redhat.com>
2020-06-23 16:07:07 +02:00
Markus Armbruster
63d5dfbe0d docs/qdev-device-use.txt: Update section "Default Devices"
Resynchronize the table of default device suppressions with vl.c's
default_list[].

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-8-armbru@redhat.com>
2020-06-23 16:07:07 +02:00
Markus Armbruster
4a27a638e7 fdc: Deprecate configuring floppies with -global isa-fdc
Deprecate

    -global isa-fdc.driveA=...
    -global isa-fdc.driveB=...

in favour of

    -device floppy,unit=0,drive=...
    -device floppy,unit=1,drive=...

Same for the other floppy controller devices.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20200622094227.1271650-7-armbru@redhat.com>
2020-06-23 16:07:07 +02:00
Yoshinori Sato
4adbfa45cc docs: Document the RX target
Add rx-virt target specification document.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20200308130637.37651-1-ysato@users.sourceforge.jp>
[PMD: Cover in MAINTAINERS, rename as gdbsim, use machine argument]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2020-06-22 18:37:12 +02:00
Philippe Mathieu-Daudé
ca64b08638 tpm: Move backend code under the 'backends/' directory
TPM subsytem is split into backends (see commit f4ede81eed)
and frontends (see i.e. 3676bc69b3). Keep the emulated
hardware 'frontends' under hw/tpm/, but move the backends
in the backends/tpm/ directory.

Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200612085444.8362-13-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2020-06-19 07:25:55 -04:00
Philippe Mathieu-Daudé
0f7d214820 hw/tpm: Make 'tpm_util.h' publicly accessible as "sysemu/tpm_util.h"
We are going to split the TPM backends from the TPM emulated
hardware in the next commit. Make the TPM util helpers accessible
by moving local "tpm_util.h" to global "sysemu/tpm_util.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-12-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2020-06-19 07:25:48 -04:00
Philippe Mathieu-Daudé
8a5fee0325 docs/specs/tpm: Correct header path name
Commit 8dc6701722 introduce the documentation but an
incorrect path name was used. Fix that.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-2-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2020-06-19 07:24:34 -04:00
Peter Maydell
4d285821c5 s390x update:
- update Linux headers to 5.8-rc1 (for vfio-ccw path handling)
 - vfio-ccw: add support for path handling
 - documentation fix
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200618' into staging

s390x update:
- update Linux headers to 5.8-rc1 (for vfio-ccw path handling)
- vfio-ccw: add support for path handling
- documentation fix

# gpg: Signature made Thu 18 Jun 2020 16:36:04 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [marginal]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [marginal]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20200618:
  docs/s390x: fix vfio-ap device_del description
  vfio-ccw: Add support for the CRW region and IRQ
  s390x/css: Refactor the css_queue_crw() routine
  vfio-ccw: Refactor ccw irq handler
  vfio-ccw: Add support for the schib region
  vfio-ccw: Refactor cleanup of regions
  Linux headers: update

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-19 11:44:03 +01:00
Peter Maydell
292ef18a38 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
 iQEcBAABAgAGBQJe62kmAAoJEO8Ells5jWIRZfUH/2bPZrhG4QEKNWbm1LXzam+0
 4dzG3A7vYTKWjfbpzcWtUAELO+4SiUe/IU3gYMiyeWNDKjwm5hX/FMCFjnR1IZXl
 wQ7cvr/7TIsxt9HyrjIkh03PkJBGpCD3uO0DkGd1siDmKLOFNRt0uLsmSvA7Ydvo
 2hH/tc/plYoQAxPSbXBmIqg9hRrks/QAw2kfPba7Adhtzg5x2XrUrP+UOW8NmWcL
 xSo02ExPUSdzPX6I4Enwm1c1KiytlQ77LvazpI2NBlejsI4nqa0Y1WJW7WJ4RMGo
 E1kWDiKt69MoT1SgH7UJnF/ISyUuldksD4fuual5UOysCpwpbAIBKh6/Yod6k0M=
 =3+ix
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Thu 18 Jun 2020 14:16:22 BST
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request: (33 commits)
  net: Drop the NetLegacy structure, always use Netdev instead
  net: Drop the legacy "name" parameter from the -net option
  hw/net/e1000e: Do not abort() on invalid PSRCTL register value
  colo-compare: Fix memory leak in packet_enqueue()
  net/colo-compare.c: Correct ordering in complete and finalize
  net/colo-compare.c: Check that colo-compare is active
  net/colo-compare.c: Only hexdump packets if tracing is enabled
  net/colo-compare.c: Fix deadlock in compare_chr_send
  chardev/char.c: Use qemu_co_sleep_ns if in coroutine
  net/colo-compare.c: Create event_bh with the right AioContext
  net: use peer when purging queue in qemu_flush_or_purge_queue_packets()
  net: cadence_gem: Fix RX address filtering
  net: cadence_gem: TX_LAST bit should be set by guest
  net: cadence_gem: Update the reset value for interrupt mask register
  net: cadnece_gem: Update irq_read_clear field of designcfg_debug1 reg
  net: cadence_gem: Add support for jumbo frames
  net: cadence_gem: Fix up code style
  net: cadence_gem: Move tx/rx packet buffert to CadenceGEMState
  net: cadence_gem: Set ISR according to queue in use
  net: cadence_gem: Define access permission for interrupt registers
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-18 16:52:10 +01:00
Thomas Huth
9d903f30cb net: Drop the legacy "name" parameter from the -net option
It's been deprecated since QEMU v3.1, so it's time to finally
remove it. The "id" parameter can simply be used instead.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-06-18 21:05:52 +08:00
Christian Borntraeger
458e056257 docs/s390x: fix vfio-ap device_del description
device_del requires an id and not a sysfsfile.

Fixes: bac03ec72f ("s390x/vfio-ap: document hot plug/unplug of vfio-ap device")
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200617160604.5593-1-borntraeger@de.ibm.com>
[CH: add missing '$']
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-18 12:14:06 +02:00
Mao Zhongyi
6bcd361a52 docs/xbzrle: update 'cache miss rate' and 'encoding rate' to docs
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-9-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-06-17 17:48:39 +01:00
Mao Zhongyi
afb5d01cb6 monitor/hmp-cmds: improvements for the 'info migrate'
When running:

(qemu) info migrate
globals:
store-global-state: on
only-migratable: off
...
xbzrle transferred: 640892 kbytes
xbzrle pages: 16645936 pages
xbzrle cache miss: 1525426
xbzrle cache miss rate: 0.09
xbzrle encoding rate: 91.42
xbzrle overflow: 40896
...
compression pages: 377710 pages
compression busy: 0
compression busy rate: 0.00
compressed size: 463169457
compression rate: 3.33

Add units for 'xbzrle cache miss' and 'compressed size',
make it easier to read.

Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-8-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-06-17 17:48:39 +01:00
Robert Foley
3b6882bd96 docs: Added details on TSan to testing.rst
Adds TSan details to testing.rst.
This includes background and reference details on TSan,
and details on how to build and test with TSan
both with and without docker.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200609200738.445-13-robert.foley@linaro.org>
Message-Id: <20200612190237.30436-16-alex.bennee@linaro.org>
2020-06-16 14:49:05 +01:00
Peter Maydell
9e3903136d virtio,acpi,pci: features, fixes, cleanups, tests
Max slots negotiation for vhost-user.
 Free page reporting for balloon.
 Partial TPM2 ACPI support for ARM.
 Support for NVDIMMs having their own proximity domains.
 New vhost-user-vsock device.
 
 Fixes, cleanups in ACPI, PCI, virtio.
 New tests for TPM ACPI.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,acpi,pci: features, fixes, cleanups, tests

Max slots negotiation for vhost-user.
Free page reporting for balloon.
Partial TPM2 ACPI support for ARM.
Support for NVDIMMs having their own proximity domains.
New vhost-user-vsock device.

Fixes, cleanups in ACPI, PCI, virtio.
New tests for TPM ACPI.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Fri 12 Jun 2020 15:18:04 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# 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: (58 commits)
  virtio-pci: fix queue_enable write
  pci: Display PCI IRQ pin in "info pci"
  Fix parameter type in vhost migration log path
  acpi: ged: rename event memory region
  acpi: fadt: add hw-reduced sleep register support
  acpi: madt: skip pci override on pci-less systems.
  acpi: create acpi-common.c and move madt code
  acpi: make build_madt() more generic.
  virtio: add vhost-user-vsock-pci device
  virtio: add vhost-user-vsock base device
  vhost-vsock: add vhost-vsock-common abstraction
  hw/pci: Fix crash when running QEMU with "-nic model=rocker"
  libvhost-user: advertise vring features
  Lift max ram slots limit in libvhost-user
  Support individual region unmap in libvhost-user
  Support adding individual regions in libvhost-user
  Support ram slot configuration in libvhost-user
  Refactor out libvhost-user fault generation logic
  Lift max memory slots limit imposed by vhost-user
  Transmit vhost-user memory regions individually
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-12 15:53:49 +01:00
Raphael Norwitz
27598393a2 Lift max memory slots limit imposed by vhost-user
Historically, sending all memory regions to vhost-user backends in a
single message imposed a limitation on the number of times memory
could be hot-added to a VM with a vhost-user device. Now that backends
which support the VHOST_USER_PROTOCOL_F_CONFIGURE_SLOTS send memory
regions individually, we no longer need to impose this limitation on
devices which support this feature.

With this change, VMs with a vhost-user device which supports the
VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS can support a configurable
number of memory slots, up to the maximum allowed by the target
platform.

Existing backends which do not support
VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS are unaffected.

Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Peter Turschmid <peter.turschm@nutanix.com>
Suggested-by: Mike Cui <cui@nutanix.com>
Message-Id: <1588533678-23450-6-git-send-email-raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2020-06-12 10:17:06 -04:00
Raphael Norwitz
f1aeb14b08 Transmit vhost-user memory regions individually
With this change, when the VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS
protocol feature has been negotiated, Qemu no longer sends the backend
all the memory regions in a single message. Rather, when the memory
tables are set or updated, a series of VHOST_USER_ADD_MEM_REG and
VHOST_USER_REM_MEM_REG messages are sent to transmit the regions to map
and/or unmap instead of sending send all the regions in one fixed size
VHOST_USER_SET_MEM_TABLE message.

The vhost_user struct maintains a shadow state of the VM’s memory
regions. When the memory tables are modified, the
vhost_user_set_mem_table() function compares the new device memory state
to the shadow state and only sends regions which need to be unmapped or
mapped in. The regions which must be unmapped are sent first, followed
by the new regions to be mapped in. After all the messages have been
sent, the shadow state is set to the current virtual device state.

Existing backends which do not support
VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS are unaffected.

Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Signed-off-by: Peter Turschmid <peter.turschm@nutanix.com>
Suggested-by: Mike Cui <cui@nutanix.com>
Message-Id: <1588533678-23450-5-git-send-email-raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2020-06-12 10:17:06 -04:00
Raphael Norwitz
6b0eff1a4e Add VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS
This change introduces a new feature to the vhost-user protocol allowing
a backend device to specify the maximum number of ram slots it supports.

At this point, the value returned by the backend will be capped at the
maximum number of ram slots which can be supported by vhost-user, which
is currently set to 8 because of underlying protocol limitations.

The returned value will be stored inside the VhostUserState struct so
that on device reconnect we can verify that the ram slot limitation
has not decreased since the last time the device connected.

Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Peter Turschmid <peter.turschm@nutanix.com>
Message-Id: <1588533678-23450-4-git-send-email-raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2020-06-12 10:17:06 -04:00
Eric Blake
1d74594065 qemu-img: Fix doc typo for 'bitmap' subcommand
Prefer a consistent naming for the --merge argument.

Fixes: 3b51ab4bf
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200529144527.1943527-1-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-06-09 15:47:09 -05:00
Peter Maydell
5a922419fe target-arm queue:
hw/ssi/imx_spi: Handle tx burst lengths other than 8 correctly
  hw/input/pxa2xx_keypad: Replace hw_error() by qemu_log_mask()
  hw/arm/pxa2xx: Replace printf() call by qemu_log_mask()
  target/arm: Convert crypto insns to gvec
  hw/adc/stm32f2xx_adc: Correct memory region size and access size
  tests/acceptance: Add a boot test for the xlnx-versal-virt machine
  docs/system: Document Aspeed boards
  raspi: Add model of the USB controller
  target/arm: Convert 2-reg-and-shift and 1-reg-imm Neon insns to decodetree
 -----BEGIN PGP SIGNATURE-----
 
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 8vUbk/xJGnTfQ/RZmjVKRA==
 =rGLT
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200605' into staging

target-arm queue:
 hw/ssi/imx_spi: Handle tx burst lengths other than 8 correctly
 hw/input/pxa2xx_keypad: Replace hw_error() by qemu_log_mask()
 hw/arm/pxa2xx: Replace printf() call by qemu_log_mask()
 target/arm: Convert crypto insns to gvec
 hw/adc/stm32f2xx_adc: Correct memory region size and access size
 tests/acceptance: Add a boot test for the xlnx-versal-virt machine
 docs/system: Document Aspeed boards
 raspi: Add model of the USB controller
 target/arm: Convert 2-reg-and-shift and 1-reg-imm Neon insns to decodetree

# gpg: Signature made Fri 05 Jun 2020 17:48:39 BST
# 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-20200605: (29 commits)
  target/arm: Convert Neon one-register-and-immediate insns to decodetree
  target/arm: Convert VCVT fixed-point ops to decodetree
  target/arm: Convert Neon VSHLL, VMOVL to decodetree
  target/arm: Convert Neon narrowing shifts with op==9 to decodetree
  target/arm: Convert Neon narrowing shifts with op==8 to decodetree
  target/arm: Convert VQSHLU, VQSHL 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSRA, VSRI, VRSHR, VRSRA 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSHR 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSHL and VSLI 2-reg-shift insn to decodetree
  raspi2 acceptance test: add test for dwc-hsotg (dwc2) USB host
  wire in the dwc-hsotg (dwc2) USB host controller emulation
  usb: add short-packet handling to usb-storage driver
  dwc-hsotg (dwc2) USB host controller emulation
  dwc-hsotg (dwc2) USB host controller state definitions
  dwc-hsotg (dwc2) USB host controller register definitions
  raspi: add BCM2835 SOC MPHI emulation
  docs/system: Document Aspeed boards
  tests/acceptance: Add a boot test for the xlnx-versal-virt machine
  hw/adc/stm32f2xx_adc: Correct memory region size and access size
  target/arm: Split helper_crypto_sm3tt
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 23:31:31 +01:00
Cédric Le Goater
7a1e049a70 docs/system: Document Aspeed boards
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200602135050.593692-1-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Cornelia Huck
8e75b83511 docs/s390x: document vfio-ccw
Add a basic example for passing a dasd via vfio-ccw.

Message-Id: <20200518075522.97643-1-cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-05 17:13:11 +02:00
Cornelia Huck
61a3d5eded docs/s390x: document 3270
Add some basic info how to use 3270 devices.

Message-Id: <20200515151518.83950-3-cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-05 17:13:11 +02:00
Cornelia Huck
f31270d4eb docs/s390x: document the virtual css
Add some hints about "devno" rules.

Message-Id: <20200515151518.83950-2-cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-05 17:13:11 +02:00
Alistair Francis
f33559a427 docs: deprecated: Update the -bios documentation
Update the -bios deprecation documentation to describe the new
behaviour.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
1a9540d1f1 target/riscv: Drop support for ISA spec version 1.09.1
The RISC-V ISA spec version 1.09.1 has been deprecated in QEMU since
4.1. It's not commonly used so let's remove support for it.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
65a117da6e target/riscv: Remove the deprecated CPUs
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
26cd0362dd hw/riscv: spike: Remove deprecated ISA specific machines
The ISA specific Spike machines have been deprecated in QEMU since 4.1,
let's finally remove them.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2020-06-03 09:11:51 -07:00
Eric Blake
15e39ad950 qemu-img: Add convert --bitmaps option
Make it easier to copy all the persistent bitmaps of (the top layer
of) a source image along with its guest-visible contents, by adding a
boolean flag for use with qemu-img convert.  This is basically
shorthand, as the same effect could be accomplished with a series of
'qemu-img bitmap --add' and 'qemu-img bitmap --merge -b source'
commands, or by their corresponding QMP commands.

Note that this command will fail in the same scenarios where 'qemu-img
measure' omits a 'bitmaps size:' line, namely, when either the source
or the destination lacks persistent bitmap support altogether.

See also https://bugzilla.redhat.com/show_bug.cgi?id=1779893

While touching this, clean up a couple coding issues spotted in the
same function: an extra blank line, and merging back-to-back 'if
(!skip_create)' blocks.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521192137.1120211-5-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-05-28 13:16:30 -05:00
Eric Blake
5d72c68b49 qcow2: Expose bitmaps' size during measure
It's useful to know how much space can be occupied by qcow2 persistent
bitmaps, even though such metadata is unrelated to the guest-visible
data.  Report this value as an additional QMP field, present when
measuring an existing image and output format that both support
bitmaps.  Update iotest 178 and 190 to updated output, as well as new
coverage in 190 demonstrating non-zero values made possible with the
recently-added qemu-img bitmap command (see 3b51ab4b).

The new 'bitmaps size:' field is displayed automatically as part of
'qemu-img measure' any time it is present in QMP (that is, any time
both the source image being measured and destination format support
bitmaps, even if the measurement is 0 because there are no bitmaps
present).  If the field is absent, it means that no bitmaps can be
copied (source, destination, or both lack bitmaps, including when
measuring based on size rather than on a source image).  This behavior
is compatible with an upcoming patch adding 'qemu-img convert
--bitmaps': that command will fail in the same situations where this
patch omits the field.

The addition of a new field demonstrates why we should always
zero-initialize qapi C structs; while the qcow2 driver still fully
populates all fields, the raw and crypto drivers had to be tweaked to
avoid uninitialized data.

Consideration was also given towards having a 'qemu-img measure
--bitmaps' which errors out when bitmaps are not possible, and
otherwise sums the bitmaps into the existing allocation totals rather
than displaying as a separate field, as a potential convenience
factor.  But this was ultimately decided to be more complexity than
necessary when the QMP interface was sufficient enough with bitmaps
remaining a separate field.

See also: https://bugzilla.redhat.com/1779904

Reported-by: Nir Soffer <nsoffer@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521192137.1120211-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-05-28 13:16:16 -05:00
Philippe Mathieu-Daudé
c3a09ff68d hw/mips/fuloong2e: Fix typo in Fuloong machine name
We always miswrote the Fuloong machine... Fix its name.
Add an machine alias to the previous name for backward
compatibility.

Suggested-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:20:48 +02:00
Peter Maydell
9f8f640eae docs/system: Document Musca boards
Provide a minimal documentation of the Musca boards.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200507151819.28444-6-peter.maydell@linaro.org
2020-05-21 20:00:18 +01:00
Peter Maydell
ba7912a55a docs/system: Document the various MPS2 models
Add basic documentation of the MPS2 board models.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200507151819.28444-5-peter.maydell@linaro.org
2020-05-21 20:00:18 +01:00
Peter Maydell
5a1d424487 docs/system: Document Arm Versatile Express boards
Provide a minimal documentation of the Versatile Express boards
(vexpress-a9, vexpress-a15).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200507151819.28444-4-peter.maydell@linaro.org
2020-05-21 20:00:18 +01:00
Peter Maydell
b6e50ad0db docs/system: Sort Arm board index into alphabetical order
Sort the board index into alphabetical order.  (Note that we need to
sort alphabetically by the title text of each file, which isn't the
same ordering as sorting by the filename.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200507151819.28444-3-peter.maydell@linaro.org
2020-05-21 20:00:18 +01:00
Peter Maydell
fc68b1c675 docs/system: Add 'Arm' to the Integrator/CP document title
Add 'Arm' to the Integrator/CP document title, for consistency with
the titling of the other documentation of Arm devboard models
(versatile, realview).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200507151819.28444-2-peter.maydell@linaro.org
2020-05-21 20:00:18 +01:00
Eric Blake
3b51ab4bf0 qemu-img: Add bitmap sub-command
Include actions for --add, --remove, --clear, --enable, --disable, and
--merge (note that --clear is a bit of fluff, because the same can be
accomplished by removing a bitmap and then adding a new one in its
place, but it matches what QMP commands exist).  Listing is omitted,
because it does not require a bitmap name and because it was already
possible with 'qemu-img info'.  A single command line can play one or
more bitmap commands in sequence on the same bitmap name (although all
added bitmaps share the same granularity, and and all merged bitmaps
come from the same source file).  Merge defaults to other bitmaps in
the primary image, but can also be told to merge bitmaps from a
distinct image.

While this supports --image-opts for the file being modified, I did
not think it worth the extra complexity to support that for the source
file in a cross-file merges.  Likewise, I chose to have --merge only
take a single source rather than following the QMP support for
multiple merges in one go (although you can still use more than one
--merge in the command line); in part because qemu-img is offline and
therefore atomicity is not an issue.

Upcoming patches will add iotest coverage of these commands while
also testing other features.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200513011648.166876-7-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-05-19 12:53:22 -05:00
Eric Blake
6edb788f29 docs: Sort sections on qemu-img subcommand parameters
We already list the subcommand summaries alphabetically, we should do
the same for the documentation related to subcommand-specific
parameters.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200513011648.166876-2-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-05-19 10:32:14 -05:00
Eyal Moscovici
c0469496b3 qemu-img: Add --start-offset and --max-length to map
The mapping operation of large disks especially ones stored over a
long chain of QCOW2 files can take a long time to finish.
Additionally when mapping fails there was no way recover by
restarting the mapping from the failed location.

The new options, --start-offset and --max-length allows the user to
divide these type of map operations into shorter independent tasks.

Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Mark Kanda <mark.kanda@oracle.com>
Co-developed-by: Yoav Elnekave <yoav.elnekave@oracle.com>
Signed-off-by: Yoav Elnekave <yoav.elnekave@oracle.com>
Signed-off-by: Eyal Moscovici <eyal.moscovici@oracle.com>
Message-Id: <20200513133629.18508-5-eyal.moscovici@oracle.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-05-18 11:02:05 -05:00