GlusterFS 3.8 contains support for SEEK_DATA and SEEK_HOLE. This makes
it possible to detect sparse areas in files.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Adds two events to trace syscalls in syscall emulation mode (*-user):
* guest_user_syscall: Emitted before the syscall is emulated; contains
the syscall number and arguments.
* guest_user_syscall_ret: Emitted after the syscall is emulated;
contains the syscall number and return value.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Message-id: 146651712411.12388.10024905980452504938.stgit@fimbulvetr.bsc.es
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The command will work this way:
qemu-img --trace "qcow2*" create -f qcow2 1.img 64G
[Quote "qcow2*" to protect against shell globbing as suggested by Eric
Blake <eblake@redhat.com>.
--Stefan]
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-8-git-send-email-den@openvz.org
Suggested by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This is necessary to enable creation of common qemu-img options which will
be specified before command.
The patch also enables '-V' alias to '--version' (exactly like in other
block utilities) and documents this change.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-7-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Please note, trace_init_backends() must be called in the final process,
i.e. after daemonization. This is necessary to keep tracing thread in
the proper process.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-6-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Moving trace_init_backends() into trace_opt_parse() is not possible. This
should be called after daemonize() in vl.c.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-5-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The patch also creates trace_opt_parse() helper in trace/control.c to reuse
this code in next patches for qemu-nbd and qemu-io.
The patch also makes trace_init_events() static, as this call is not used
outside the module anymore.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-4-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This text will be included to qemu-nbd/qemu-img mans in the next patches.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-3-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
[s/descriprion/description/ in commit message as suggested by Eric Blake
<eblake@redhat.com>.
--Stefan]
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1466174654-30130-2-git-send-email-den@openvz.org
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In get_page_addr_code(), if the guest program counter turns out not to
be in ROM or RAM, we can't handle executing from it, and we call
cpu_abort(). This results in the message
qemu: fatal: Trying to execute code outside RAM or ROM at 0x08000000
followed by a guest register dump, and then QEMU dumps core.
This situation happens in one of two cases:
(1) a guest kernel bug, where it jumped off into nowhere
(2) a user command line mistake, where they tried to run an image for
board A on a QEMU model of board B, or where they didn't provide
an image at all, and QEMU executed through a ROM or RAM full of
NOP instructions and then fell off the end
In either case, a core dump of QEMU itself is entirely useless, and
only confuses users into thinking that this is a bug in QEMU rather
than a bug in the guest or a problem with their command line. (This
is a variation on the general idea that we shouldn't assert() on
something the user can accidentally provoke.)
Replace the cpu_abort() with something that explains the situation
a bit better and exits QEMU without dumping core.
(See LP:1062220 for several examples of confused users.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1466442425-11885-1-git-send-email-peter.maydell@linaro.org
The AVX2 optimization test assumes that the object format
is ELF and the system has the readelf utility. If this isn't
true then configure might fail or emit a warning (since in
a pipe "foo | bar >/dev/null 2>&1" does not redirect the
stderr of foo, only of bar). Adjust the check so that if
we don't have readelf or don't have an ELF object then we
just don't enable the AVX2 optimization.
Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1466287502-18730-3-git-send-email-pmaydell@chiark.greenend.org.uk
The probe we do to determine what flags to use to make the usermode
executables use a non-default text address has some flaws:
* we run it even if we're not building the user binaries
* we don't expect "ld --verbose" to fail
The combination of these two results in a harmless but
ugly "ld: unknown option: --verbose" message when running
configure on OSX.
Improve the probe to only run when we need it and to fail
nicely when even the backstop 'ld --verbose' approach fails.
Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1466287502-18730-2-git-send-email-pmaydell@chiark.greenend.org.uk
Use ldl_le_p() and stl_le_p() instead of le32_to_cpup() and
cpu_to_le32w(); the former handle misaligned addresses and don't
need casts, and the latter are deprecated.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 1465575021-3774-1-git-send-email-peter.maydell@linaro.org
Multiqueue virtio-blk can be enabled as follows:
qemu -device virtio-blk-pci,num-queues=8
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-8-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Monitor ioeventfds for all virtqueues in the device's AioContext. This
is not true multiqueue because requests from all virtqueues are
processed in a single IOThread. In the future it will be possible to
use multiple IOThreads when the QEMU block layer supports multiqueue.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-7-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a field for the virtqueue index when migrating the s->rq request
list. The new field is only needed when num_queues > 1. Existing QEMUs
are unaffected by this change and therefore virtio-blk migration stays
compatible.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-6-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Multiqueue requires that each request knows to which virtqueue it
belongs.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-5-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Let the virtio_blk_data_plane_notify() caller decide which virtqueue to
notify. This will allow the function to be used with multiqueue.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-4-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The batch notification BH needs to know which virtqueues to notify when
multiqueue is enabled. Use a bitmap to track the virtqueues with
pending notifications.
At this point there is only one virtqueue so hard-code virtqueue index
0. A later patch will switch to real virtqueue indices.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-3-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The num_queues field is always 1 for the time being. A later patch will
make it a configurable device property so that multiqueue can be
enabled.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-2-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Attempting to cancel a dma_blk_io() request causes an abort(3):
void bdrv_aio_cancel(BlockAIOCB *acb)
{
...
while (acb->refcnt > 1) {
if (acb->aiocb_info->get_aio_context) {
aio_poll(acb->aiocb_info->get_aio_context(acb), true);
} else if (acb->bs) {
aio_poll(bdrv_get_aio_context(acb->bs), true);
} else {
abort();
}
}
...
}
This happens because DMAAIOCB->bs is NULL and
dma_aiocb_info.get_aio_context() is also NULL.
This patch trivially implements dma_aiocb_info.get_aio_context() by
fetching the DMAAIOCB->ctx field.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466451417-27988-1-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This reverts commit 10a06fd65f.
Dataplane has used the same virtqueue code as non-dataplane since
commits e24a47c5b7 ("virtio-scsi: do not
use vring in dataplane") and 03de2f5274
("virtio-blk: do not use vring in dataplane"). It is no longer
necessary to stop dataplane in order to sync state since there is no
duplicated virtqueue state.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Message-id: 1466503331-9831-1-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Tue 28 Jun 2016 04:29:53 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:
vmxnet3: Fix reading/writing guest memory specially when behind an IOMMU
rtl8139: save/load RxMulOk counter (again)
Change net/socket.c to use socket_*() functions
net: mipsnet: check transmit buffer size before sending
net: fix qemu_announce_self not emitting packets
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tracing configurations error out currently as follows:
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c: In function ‘aspeed_scu_read’:
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c:130:9: error: implicit declaration of function ‘qemu_log_mask’ [-Werror=implicit-function-declaration]
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c:130:9: error: nested extern declaration of ‘qemu_log_mask’ [-Werror=nested-externs]
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c:130:23: error: ‘LOG_GUEST_ERROR’ undeclared (first use in this function)
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c:130:23: note: each undeclared identifier is reported only once for each function it appears in
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c: In function ‘aspeed_scu_write’:
/home/travis/build/pranith/qemu/hw/misc/aspeed_scu.c:154:23: error: ‘LOG_GUEST_ERROR’ undeclared (first use in this function)
This is caused by a missing header file. Fix it.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 20160627215304.821-1-bobby.prani@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When a PCI device lives behind an IOMMU, it should use 'pci_dma_*' family of
functions when any transfer from/to guest memory is required while
'cpu_physical_memory_*' family of functions completely bypass any MMU/IOMMU in
the system.
vmxnet3 in some places was using 'cpu_physical_memory_*' family of functions
which works fine with the default QEMU setup where IOMMU is not enabled but
fails miserably when IOMMU is enabled. This commit converts all such instances
in favor of 'pci_dma_*'
Cc: Dmitry Fleytman <dmitry@daynix.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: Anthony Liguori <aliguori@amazon.com>
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Acked-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Commit 9d29cdeaac (rtl8139: port
TallyCounters to vmstate) introduced in incompatibility in the v4
format as it omitted the RxOkMul counter.
There are presumably no users that were impacted by the v4 to v4'
breakage, so increase the save version to 5 and re-add the field,
keeping backward compatibility with v4'.
We can't have a field conditional on the section version in
vmstate_tally_counters since this version checked would not be the
section version (but the version defined in this structure). So, move
all the fields into the main state structure.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Use socket_*() functions from include/qemu/sockets.h instead of
listen()/bind()/connect()/parse_host_port(). socket_*() fucntions are
QAPI based and this patch performs this api conversion since
everything will be using QAPI based sockets in the future. Also add a
helper function socket_address_to_string() in util/qemu-sockets.c
which returns the string representation of socket address. Thetask was
listed on http://wiki.qemu.org/BiteSizedTasks page.
Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
When processing MIPSnet I/O port write operation, it uses a
transmit buffer tx_buffer[MAX_ETH_FRAME_SIZE=1514]. Two indices
's->tx_written' and 's->tx_count' are used to control data written
to this buffer. If the two were to be equal before writing, it'd
lead to an OOB write access beyond tx_buffer. Add check to avoid it.
Reported-by: Li Qiang <qiang6-s@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
commit fefe2a78 accidently dropped the code path for injecting
raw packets. This feature is needed for sending gratuitous ARPs
after an incoming migration has completed. The result is increased
network downtime for vservers where the network card is not virtio-net
with the VIRTIO_NET_F_GUEST_ANNOUNCE feature.
Fixes: fefe2a78ab
Cc: qemu-stable@nongnu.org
Cc: hongyang.yang@easystack.cn
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Using gcc 6.1 for alpha-linux-user target we see the following build error:
.../target-alpha/translate.c: In function ‘in_superpage’:
.../target-alpha/translate.c:454:52: error: self-comparison always evaluates to true [-Werror=tautological-compare]
&& addr >> TARGET_VIRT_ADDR_SPACE_BITS == addr >> 63);
Reported-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-id: 1466192793-2559-1-git-send-email-rth@twiddle.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We only care about the associated backend, so blk_drain is more
appropriate here.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20160612065603.21911-1-famz@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Don't use *_to_cpup() to do byte-swapped loads; instead use
ld*_p() which correctly handle misaligned accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>>
Message-id: 1466097446-981-6-git-send-email-peter.maydell@linaro.org
Don't use *_to_cpup() to do byte-swapped loads; instead use
ld*_p() which correctly handle misaligned accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>>
Message-id: 1466097446-981-5-git-send-email-peter.maydell@linaro.org
Don't use *_to_cpup() to do byte-swapped loads; instead use
ld*_p() which correctly handle misaligned accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>>
Message-id: 1466097446-981-4-git-send-email-peter.maydell@linaro.org
Don't use *_to_cpup() to do byte-swapped loads; instead use
ld*_p() which correctly handle misaligned accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>>
Message-id: 1466097446-981-3-git-send-email-peter.maydell@linaro.org
Don't use cpu_to_*w() and *_to_cpup() to do byte-swapped loads
and stores; instead use ld*_p() and st*_p() which correctly handle
misaligned accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>>
Message-id: 1466097446-981-2-git-send-email-peter.maydell@linaro.org
* arm_gicv3: add missing 'break' statements
* cadence_uart: protect against transmit errors
* cadence_gem: avoid infinite loops with misconfigured buffer
* cadence_gem: set the 'last' bit when 'wrap' is set
* reenable tmp105 test case
* palmetto-bmc: add ASPEED system control unit model
* m25p80: add new 512Mbit and 1Gbit devices
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160627' into staging
target-arm queue:
* arm_gicv3: add missing 'break' statements
* cadence_uart: protect against transmit errors
* cadence_gem: avoid infinite loops with misconfigured buffer
* cadence_gem: set the 'last' bit when 'wrap' is set
* reenable tmp105 test case
* palmetto-bmc: add ASPEED system control unit model
* m25p80: add new 512Mbit and 1Gbit devices
# gpg: Signature made Mon 27 Jun 2016 15:43:42 BST
# gpg: using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20160627:
m25p80: Fix WINBOND fast read command handling
m25p80: New flash devices.
m25p80: Fast read commands family changes.
m25p80: Introduce configuration registers.
m25p80: Introduce quad and equad modes.
m25p80: Add additional flash commands:
m25p80: Introduce COLLECTING_VAR_LEN_DATA state.
m25p80: Allow more than four banks.
m25p80: Make a table for JEDEC ID.
m25p80: Replace JEDEC ID masking with function.
palmetto-bmc: Configure the SCU's hardware strapping register
ast2400: Integrate the SCU model and set silicon revision
hw/misc: Add a model for the ASPEED System Control Unit
arm: Re-enable tmp105 test
cadence_gem: Set the last bit when wrap is set
cadence_gem: Avoid infinite loops with a misconfigured buffer
cadence_uart: Protect against transmit errors
hw/intc/arm_gicv3: Add missing break
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit fix obvious bug in WINBOND command handling.
Datasheet states that default dummy cycles is 8 so fix it.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Message-id: 1466755631-25201-11-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Macronix: mx66u51235f and mx66u1g45g
Micron: mt25ql01g and mt25qu01g
Spansion: s25fs512s and s70fs01gs
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-10-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Support for Spansion and Macronix flashes.
Additionally Numonyx(Micron) moved from default
in fast read commands family. Also moved fast read
command decoding to functions.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-9-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Configuration registers for Spansion and Macronix devices.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-8-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Quad and Equad modes for Spansion and Macronix flash devices.
This commit also includes modification and new command to manipulate
quad mode (status registers and dedicated commands).
This work is based on Pawel Lenkow work.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-7-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Page program 4byte/quad and erase 32K sectors 4 bytes.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-6-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some flash allows to stop read at any time.
Allow framework to support this.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-5-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allow to have more than four 16MiB regions for bigger flash devices.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-4-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since it is now longer than 4. This work based on Pawel Lenkow
changes and the kernel SPI framework.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-3-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of always reading and comparing jededc ID,
replace it by function.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Message-id: 1466755631-25201-2-git-send-email-marcin.krzeminski@nokia.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
