bdrv_requests_pending is checking children to also wait until internal
requests (such as metadata writes) have completed. However, checking
children is in general overkill. Children requests can be of two kinds:
- requests caused by an operation on bs, e.g. a bdrv_aio_write to bs
causing a write to bs->file->bs. In this case, the parent's in_flight
count will always be incremented by at least one for every request in
the child.
- asynchronous metadata writes or flushes. Such writes can be started
even if bs's in_flight count is zero, but not after the .bdrv_drain
callback has been invoked.
This patch therefore changes bdrv_drain to finish I/O in the parent
(after which the parent's in_flight will be locked to zero), call
bdrv_drain (after which the parent will not generate I/O on the child
anymore), and then wait for internal I/O in the children to complete.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <1477565348-5458-6-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Unlike tracked_requests, this field also counts throttled requests,
and remains non-zero if an AIO operation needs a BH to be "really"
completed.
With this change, it is no longer necessary to have a dummy
BdrvTrackedRequest for requests that are never serialising, and
it is no longer necessary to poll the AioContext once after
bdrv_requests_pending(bs) returns false.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <1477565348-5458-5-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Ensure that there are no changes between the last check to
bdrv_get_dirty_count and the switch to the target.
There is already a bdrv_drained_end call, we only need to ensure
that bdrv_drained_begin is not called twice.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <1477565348-5458-4-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This is required to decouple block jobs from running in an
AioContext. With multiqueue block devices, a BlockDriverState
does not really belong to a single AioContext.
The solution is to first wait until all I/O operations are
complete; then loop in the main thread for the block job to
complete entirely.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <1477565348-5458-3-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Without this change, there is a race condition in tests/test-replication.
Depending on how fast the failover job (active commit) runs, there is a
chance of two bad things happening:
1) replication_done can be called after the secondary has been closed
and hence when the BDRVReplicationState is not valid anymore.
2) two copies of the active disk are present during the
/replication/secondary/stop test (that test runs immediately after
/replication/secondary/start, which tests failover). This causes the
corruption detector to fire.
Reviewed-by: Wen Congyang <wency@cn.fujitsu.com>
Reviewed-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <1477565348-5458-2-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Currently, the generated function body will do "strlen(arg)" but the
argument could be 'char **' or 'char * const *'. Avoid that by excluding
such cases in is_string check.
Reported by patchew's "make docker-test-mingw@fedora".
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1477453806-21097-1-git-send-email-famz@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since the order of keys in JSON filenames is not necessarily fixed, they
should not be compared to fixed strings. This method takes a Python dict
as a reference, parses a given JSON filename and compares both.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This gives us more freedom about the fd that is passed to qemu, allowing
us to e.g. pass sockets.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
By adding an optional suffix to the files used for communication with a
VM, we can launch multiple VM instances concurrently.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Drop the use of legacy options in favor of the SocketAddress
representation, even for internal use (i.e. for storing the result of
the filename parsing).
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add a new option "server" to the NBD block driver which accepts a
SocketAddress.
"path", "host" and "port" are still supported as legacy options and are
mapped to their corresponding SocketAddress representation.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Right now, we have four possible options that conflict with specifying
an NBD filename, and a future patch will add another one ("address").
This future option is a nested QDict that is flattened at this point,
requiring us to test each option whether its key has an "address."
prefix. Therefore, we will then need to iterate through all options
(including the "export" option which was not covered so far).
Adding this iteration logic now will simplify adding the new option
later. A nice side effect is that the user will not receive a long list
of five options which are not supposed to be specified with a filename,
but we can actually print the problematic option.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Instead of inlining this nice macro (i.e. resorting to
qdict_put_obj(..., QOBJECT(...))), use it.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Instead of not emitting the port in nbd_refresh_filename(), just set it
to the default if the user did not specify it. This makes the logic a
bit simpler.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Currently, a port that is passed along with a UNIX socket path is
silently ignored. That is not exactly ideal, it should be an error
instead.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit 076003f5 added configuration for NFS with IMGOPTSSYNTAX enabled,
but it didn't use the right variable name: $TEST_DIR_OPTS doesn't exist.
This fixes the mistake.
However, this doesn't make anything work that was broken before: The
only way to get IMGOPTSSYNTAX is with -luks, but the combination of
-luks and -nfs doesn't get qemu-img create commands right (because
qemu-img create doesn't support --image-opts yet), so even after this
fix some more work would be required to make the tests pass.
Reported-by: Tomáš Golembiovský <tgolembi@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
It's the simpler interface to use for the raw format driver.
Apart from that, this removes the last user of the AIO emulation
implemented by bdrv_aio_ioctl().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This allows drivers to implement ioctls in a coroutine-based way.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Instead of letting raw-posix use the bdrv_ioctl() abstraction to issue
an ioctl to itself, just call ioctl() directly.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
All read/write functions already have a single coroutine-based function
on the BlockBackend level through which all requests go (no matter what
API style the external caller used) and which passes the requests down
to the block node level.
This patch exports a bdrv_co_ioctl() function and uses it to extend this
mode of operation to ioctls.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
All read/write functions already have a single coroutine-based function
on the BlockBackend level through which all requests go (no matter what
API style the external caller used) and which passes the requests down
to the block node level.
This patch extends this mode of operation to discards.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
All read/write functions already have a single coroutine-based function
on the BlockBackend level through which all requests go (no matter what
API style the external caller used) and which passes the requests down
to the block node level.
This patch extends this mode of operation to flushes.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
New in this release:
===================
* Initial support for Trusted Platform Module (TPM) version 2.0
* Several USB XHCI timing fixes on real hardware
* Support for "LSI MPT Fusion" scsi controllers on QEMU
* Support for virtio devices mapped above 4GB
* Several bug fixes and code cleanups
git shortlog rel-1.9.3..rel-1.10.0
==================================
Alex Williamson (1):
fw/pci: Add support for mapping Intel IGD via QEMU
Cao jin (1):
Fix comment typo
Cole Robinson (1):
biostables: Support SMBIOS 2.6+ UUID format
Dana Rubin (2):
pvscsi: Fix incorrect arguments order in call to memalign_low
pvscsi: Use high memory for rings
Don Slutz (1):
Support for booting from LSI Logic LSI53C1030, SAS1068, SAS1068e
Gerd Hoffmann (4):
ahci: set transfer mode according to the capabilities of connected drive
virtio: uninline _vp_{read,write}
virtio: pci cfg access
virtio: fix virtio-pci
Haozhong Zhang (1):
fw/msr_feature_control: add support to set MSR_IA32_FEATURE_CONTROL
Igor Mammedov (3):
paravirt: disable legacy bios tables in case of more than 255 CPUs
add helpers to read etc/boot-cpus at resume time
support booting with more than 255 CPUs
Kevin O'Connor (124):
usb: Allow configuration of sigatt time (in etc/usb-time-sigatt)
xhci: Check for device disconnects during USB2 reset polling
sdcard: Only enable error_irq_enable for bits defined in SDHCI v1 spec
sdcard: fix typo causing 32bit write to 16bit block_size field
sdcard: Enable extra debugging on sdcard_waitw() timeout
acpi_extract: Move main code to new function main()
acpi_extract: Make the generated .hex files more human readable
acpi_extract: Don't generate unused (and empty) q35-acpi-dsdt.hex file
acpi: Don't build SSDT files on every build; store them in git
acpi: Remove build check for iasl
tpm: Move standard definitions from tcgbios.h to new file std/tcg.h
util.h: Minor - HaveRunPost is in misc.c not resume.c
tpm: Add "static" declaration to functions not used outside tcgbios.c
tpm: Move code around in tcgbios.c
tpm: Move error recovery from tpm_extend_acpi_log() to only caller
tpm: Open code tpm_ipl() into callers
tpm: Change tpm_add_measurement() to tpm_add_action()
tpm: Move tpm_add_bootdevice() into callers
tpm: Move tpm_start_option_rom_scan() and tpm_calling_int19h() into callers
tpm: pcpes->event is a variable length array
tpm: Don't pass entry_count around in parameters to/from tpm_extend_acpi_log()
tpm: There is no need to pass pcrindex to hash_log_extend_event()
tpm: Perform hashing separately from logging
tpm: There is no need to pass event_length to hash/extend functions
tpm: Avoid scatter-gather copying in build_and_send_cmd()
tpm: Don't implement scatter-gather in transmit()
tpm: Merge tpm_log_event() and tpm_extend_acpi_log()
tpm: Merge tpm_log_extend_event() and tpm_extend(); extend before logging
xhci: Wait for port enable even for USB3 devices
xhci: Improve port status change debugging
xhci: Disable slot on failed set_address command
nmi: Don't try to switch onto extra stack in NMI handler
scsi: Do not call printf() from scsi_is_ready()
block: Report drive->sectors using "%u" instead of "%d"
tpm: Add banner separating the TCG bios interface code from TCG menu code
tpm: Avoid macro expansion of tpm request / response structs
tpm: Simplify hardware probe and detection checks
tpm: Add wrapper function tpmhw_set_timeouts()
tpm: Move TPM hardware functions from tcgbios.c to hw/tpm_drivers.c
tpm: Rework TPM interface shutdown support
tpm: Simplify tcpa probe
tpm: Introduce tpm_get_capability() helper function
tpm: Eliminate response buffer parameter from build_and_send_cmd()
tpm: Don't return a status from external bios measurement functions
tpm: No need to check the return status of measurements
tpm: Don't call tpm_set_failure() from tpm_log_extend_event()
tpm: Don't use 16bit BIOS return codes in build_and_send_cmd()
tpm: Don't use 16bit BIOS return codes in tpm_log_event()
tpm: Don't use 16bit BIOS return codes in tpmhw_* functions
tpm: Don't use 16bit BIOS return codes in TPM menu functions
usb: Remove usbdev->slotid field
coreboot: Check for unaligned cbfs header
resume: Make KVM soft reboot loop detection more flexible
post: Always set HaveRunPost prior to setting any other global variable
kbd: Don't treat scancode and asciicode as separate values
kbd: Refactor capslock and numlock handling
ehci: Only delay UHCI/OHCI port scan until after EHCI setup completes
usb: Eliminate USB controller setup thread
pci: Add helper functions for internal driver BAR handling
ahci: Convert to new PCI BAR helper functions
ata: Convert to new PCI BAR helper functions
esp-scsi: Convert to new PCI BAR helper functions
lsi-scsi: Convert to new PCI BAR helper functions
megasas: Convert to new PCI BAR helper functions
pvscsi: Convert to new PCI BAR helper functions
sdcard: Convert to new PCI BAR helper functions
ehci: Convert to new PCI BAR helper functions
ohci: Convert to new PCI BAR helper functions
uhci: Convert to new PCI BAR helper functions
xhci: Convert to new PCI BAR helper functions
virtio: Convert to new PCI BAR helper functions
pci: Consistently set pci->have_drivers for devices with internal drivers
pci: Implement '%pP' printf handler for 'struct pci_device' pointers
pci: Move code in pci.c that is specific to pciinit.c to pciinit.c
pci: Split low-level pci code from higher-level 'struct pci_device' code
scsi: Always use MAXDESCSIZE when building drive description
block: Move drive setup to new function block_setup()
tpm: Unify tpm_fill_hash()/tpm_log_extend_event() and use in BIOS interface
docs: Note release date of 1.9.1
build: fix .text section address alignment
tpm: Write logs in TPM 2 format
mpt-scsi: Declare 'int i' outside of for loop for older compilers
block: Move send_disk_op() from block.c to disk.c
disk: Avoid stack_hop() path if already on the extra stack
optionroms: Drop support for CONFIG_OPTIONROMS_DEPLOYED
shadow: Batch PCI config writes
virtio: Use threads when scanning for virtio devices
scsi: Launch a thread when scanning for drives in the scsi drivers
docs: Note release date of 1.9.2
usb-xhci: Remove unused const variables
tcgbios: Remove unused const variable
vgabios: Remove special case of dh==0xff in handle_1013()
vgabios: Don't check for special case of page==0xff on external calls
vgabios: Simplify set_cursor_pos()
docs: Note release date of 1.9.3
vgabios: Simplify scroll logic
blockcmd: CMD_SCSI op is only used in 32bit mode
swcursor: Move swcursor code from vgafb.c to new file swcursor.c
swcursor: Concentrate swcursor logic in swcursor.c
vgafb: Move header definitions from vgabios.h to new file vgafb.h
vgainit: Move video param setup to stdvga_build_video_param()
vgautil: Add new header file with misc function and variable definitions
vgautil: Move generic definitions from stdvga.h to vgautil.h
vgautil: Move definitions from cbvga.h and clext.h to vgautil.h
version: Update header files now that version.c is not auto generated
checkstack: Handle conditional checks at start of functions
tpm: Append to TPM2 log the hashes used for PCR extension
ps2: Remove stale check for timeout warning on reset
pic: The default hardware interrupt handlers should not take a parameter
kbd: Implement 101-key keyboard keycode mapping
kbd: Implement extended keycode mappings for keypad-enter and keypad-/
kbd: Suppress keys without mappings
kbd: Merge bda->kbd_flag0 and bda->kbd_flag1
kbd: Extract out shift flag setting into new function
kbd: Move checking for special keys in __process_keys() into switch
kbd: Ignore fake shift keys
usb-hid: Generate Ctrl+Break and Alt+SysReq keys
kbd: Generate interrupt events for SysReq, PrtScr, and Break
post: Map int 0x05 to entry point
kbd: Move extended and release events out of special key detection switch
build: Be sure to also include out/*.d in Makefile
smp: consolidate CPU APIC ID detection and accounting
build: Add -fno-pie to the gcc flags when available
docs: Note v1.10.0 release
Marcel Apfelbaum (2):
fw/pci: do not automatically allocate IO region for PCIe bridges
fw/pci: add Q35 S3 support
Matt DeVillier (1):
sdcard: skip detection of PCI sdhci controllers if etc/sdcard used
Paolo Bonzini (1):
smp: restore MSRs on S3 resume
Piotr Król (1):
docs: fix various typos and inconsistency
Roger Pau Monne (1):
build: fix typo in buildversion.py
Stefan Berger (34):
tpm: Temporarily deactivate the TPM in case of failure
tpm: Refactor function building TPM commands
tpm: Refactor the parameters being passed to tpm_extend_acpi_log
tpm: Refactor hash_log_event BIOS interface function
tpm: Refactor hash_log_extend_event
tpm: fix compiler warning with older gcc versions
tpm: Drop code using the TPM for sha1
tpm: Set timeouts and durations to microsecond values
tpm: Cache all log related pointers in tpm_state
tpm: Refactor pass_through_to_tpm
tpm: Rename remaining interrupt functions
tpm: Remove check for working TPM from TPM interrupt handler
tpm: Check length parameter of the array
tpm: Add a menu for TPM configuration
tpm: Copy digest into HashLogExentEvent response
tpm: Move assert_physical_presence and dependencies
tpm: Add support for harware physical presence
tpm: Rework the assertion of physical presence
tpm: Remove usage of PP_CMD_ENABLE from all but one place
tpm: Do not set TPM in failure mode if menu command fails
tpm: Extend TPM TIS with TPM 2 support.
tpm: Factor out tpm_extend
tpm: Prepare code for TPM 2 functions
tpm: Implement tpm20_startup and tpm20_s3_resume
tpm: Implement tpm20_set_timeouts
tpm: Implement tpm20_prepboot
tpm: Implement tpm20_extend
tpm: Implement tpm20_menu
tpm: Implement TPM 2's tpm_set_failure part
tpm: Filter TPM commands in passthrough API
tpm: Retrieve the PCR Bank configuration
tpm: Restructure tpm20_extend to use buffer and take hash as parameter
tpm: Refactor tpml_digest_values_sha1 structure
tpm: Extend tpm20_extend to support extending to multiple PCR banks
Zheng Bao (1):
splash: Skip the RGB555 mode
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Wed 26 Oct 2016 03:19:06 BST
# gpg: using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# 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:
colo-proxy: fix memory leak
net: rtl8139: limit processing of ring descriptors
net: vmxnet: initialise local tx descriptor
e1000e: Don't zero out buffer address in rx descriptor
net: rocker: set limit to DMA buffer size
net: eepro100: fix memory leak in device uninit
tap-bsd: OpenBSD uses tap(4) now
net: pcnet: fix source formatting and indentation
net: pcnet: check rx/tx descriptor ring length
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Emulating LL/SC with cmpxchg is not correct, since it can
suffer from the ABA problem. However, portable parallel
code is written assuming only cmpxchg which means that in
practice this is a viable alternative.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Rather than using helpers for physical accesses, use a mmu index.
The primary cleanup is with store-conditional on physical addresses.
Signed-off-by: Richard Henderson <rth@twiddle.net>
The exception is not emitted anymore; remove it and the associated
TCG variables.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1467054136-10430-31-git-send-email-cota@braap.org>
The exception is not emitted anymore.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1467054136-10430-30-git-send-email-cota@braap.org>
The exception is not emitted anymore.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twidle.net>
Message-Id: <1467054136-10430-29-git-send-email-cota@braap.org>
Stop specializing on TARGET_LONG_BITS == 32; unconditionally allocate
a temp and expand with tcg_gen_extu_i32_tl. Split out gen_aa32_addr,
gen_aa32_frob64, gen_aa32_ld_i32 and gen_aa32_st_i32 as separate interfaces.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
With this microbenchmark we can measure the overhead of emulating atomic
instructions with a configurable degree of contention.
The benchmark spawns $n threads, each performing $o atomic ops (additions)
in a loop. Each atomic operation is performed on a different cache line
(assuming lines are 64b long) that is randomly selected from a range [0, $r).
[ Note: each $foo corresponds to a -foo flag ]
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1467054136-10430-20-git-send-email-cota@braap.org>
