It's a constant based on a macro. Just use the macro in place.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches
# gpg: Signature made Fri 22 Aug 2014 14:47:53 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (29 commits)
qemu-img: Allow cache mode specification for amend
qemu-img: Allow source cache mode specification
vmdk: Use bdrv_nb_sectors() where sectors, not bytes are wanted
blkdebug: Delete BH in bdrv_aio_cancel
qemu-iotests: add test case 101 for short file I/O
raw-posix: fix O_DIRECT short reads
block/iscsi: fix memory corruption on iscsi resize
block/vvfat.c: remove debugging code to reinit stderr if NULL
iotests: Add test for image filename construction
quorum: Implement bdrv_refresh_filename()
nbd: Implement bdrv_refresh_filename()
blkverify: Implement bdrv_refresh_filename()
blkdebug: Implement bdrv_refresh_filename()
block: Add bdrv_refresh_filename()
virtio-blk: fix reference a pointer which might be freed
virtio-blk: allow block_resize with dataplane
block: acquire AioContext in qmp_block_resize()
qemu-iotests: Fix 028 reference output for qed
test-coroutine: test cost introduced by coroutine
iotests: Add test for qcow2's cache options
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In function virtio_blk_handle_request, it may freed memory pointed by req,
So do not access member of req after calling this function.
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Now that block_resize acquires the AioContext we can safely allow
resizing the disk.
Reported-by: Andrey Korolyov <andrey@xdel.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
They clutter the code. Unfortunately, I can't figure out how to make
Coccinelle drop all of them, so I have to settle for common special
cases:
@@
type T;
T *pt;
void *pv;
@@
- pt = (T *)pv;
+ pt = pv;
@@
type T;
@@
- (T *)
(\(g_malloc\|g_malloc0\|g_realloc\|g_new\|g_new0\|g_renew\|
g_try_malloc\|g_try_malloc0\|g_try_realloc\|
g_try_new\|g_try_new0\|g_try_renew\)(...))
Topped off with minor manual style cleanups.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
g_new(T, n) is safer than g_malloc(sizeof(*v) * n) for two reasons.
One, it catches multiplication overflowing size_t. Two, it returns
T * rather than void *, which lets the compiler catch more type
errors.
Perhaps a conversion to g_malloc_n() would be neater in places, but
that's merely four years old, and we can't use such newfangled stuff.
This commit only touches allocations with size arguments of the form
sizeof(T), plus two that use 4 instead of sizeof(uint32_t). We can
make the others safe by converting to g_malloc_n() when it becomes
available to us in a couple of years.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer,
for two reasons. One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.
Patch created with Coccinelle, with two manual changes on top:
* Add const to bdrv_iterate_format() to keep the types straight
* Convert the allocation in bdrv_drop_intermediate(), which Coccinelle
inexplicably misses
Coccinelle semantic patch:
@@
type T;
@@
-g_malloc(sizeof(T))
+g_new(T, 1)
@@
type T;
@@
-g_try_malloc(sizeof(T))
+g_try_new(T, 1)
@@
type T;
@@
-g_malloc0(sizeof(T))
+g_new0(T, 1)
@@
type T;
@@
-g_try_malloc0(sizeof(T))
+g_try_new0(T, 1)
@@
type T;
expression n;
@@
-g_malloc(sizeof(T) * (n))
+g_new(T, n)
@@
type T;
expression n;
@@
-g_try_malloc(sizeof(T) * (n))
+g_try_new(T, n)
@@
type T;
expression n;
@@
-g_malloc0(sizeof(T) * (n))
+g_new0(T, n)
@@
type T;
expression n;
@@
-g_try_malloc0(sizeof(T) * (n))
+g_try_new0(T, n)
@@
type T;
expression p, n;
@@
-g_realloc(p, sizeof(T) * (n))
+g_renew(T, p, n)
@@
type T;
expression p, n;
@@
-g_try_realloc(p, sizeof(T) * (n))
+g_try_renew(T, p, n)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
It's a MemoryRegion and not an AddressSpace. But since it's single use,
just inline the get_system_memory() call to the only usage to remove it.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: d6914047e10b956514cfaa5f391ef56c7d851b34.1408347860.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This argument is a MemoryRegion and not an AddressSpace.
"Address space" means something quite different to "memory region"
in QEMU parlance so rename the variable to reduce confusion.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: f666cf7f2318d9b461b1e320a45bf0d82da9b7dd.1408347860.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
On aarch64 it is the bootloader's job to uncompress the kernel. UEFI
and u-boot bootloaders do this automatically when the kernel is
gzip-compressed.
However the qemu -kernel option does not do this. The following
command does not work:
qemu-system-aarch64 [...] -kernel /boot/vmlinuz
because it tries to execute the gzip-compressed data.
This commit lets gzip-compressed kernels be uncompressed
transparently.
Currently this is only done when emulating aarch64.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1407831259-2115-3-git-send-email-rjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
As the name suggests this lets you load a ROM/disk image that is
gzipped. It is uncompressed before storing it in guest memory.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1407831259-2115-2-git-send-email-rjones@redhat.com
[PMM: removed stray space before ')']
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The current code supplies the PSCI v0.1 function IDs in the DT even when
KVM uses PSCI v0.2.
This will break guest kernels that only support PSCI v0.1 as they will
use the IDs provided in the DT. Guest kernels with PSCI v0.2 support
are not affected by this patch, because they ignore the function IDs in
the device tree and rely on the architecture definition.
Define QEMU versions of the constants and check that they correspond to
the Linux defines on Linux build hosts. After this patch, both guest
kernels with PSCI v0.1 support and guest kernels with PSCI v0.2 should
work.
Tested on TC2 for 32-bit and APM Mustang for 64-bit (aarch64 guest
only). Both cases tested with 3.14 and linus/master and verified I
could bring up 2 cpus with both guest kernels. Also tested 32-bit with
a 3.14 host kernel with only PSCI v0.1 and both guests booted here as
well.
Cc: qemu-stable@nongnu.org
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The function IDs for PSCI v0.1 are exported by KVM and defined as
KVM_PSCI_FN_<something>. To build using these defines in non-KVM code,
QEMU defines these IDs locally and check their correctness against the
KVM headers when those are available.
However, the naming scheme used for QEMU (almost) clashes with the PSCI
v0.2 definitions from Linux so to avoid unfortunate naming when we
introduce local PSCI v0.2 defines, rename the current local defines with
QEMU_ prependend and clearly identify the PSCI version as v0.1 in the
defines.
Cc: qemu-stable@nongnu.org
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Memory changes for QOMification and automatic tracking of MR lifetime.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
SCSI changes that enable sending vendor-specific commands via virtio-scsi.
Memory changes for QOMification and automatic tracking of MR lifetime.
# gpg: Signature made Mon 18 Aug 2014 13:03:09 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/bonzini/tags/for-upstream:
mtree: remove write-only field
memory: Use canonical path component as the name
memory: Use memory_region_name for name access
memory: constify memory_region_name
exec: Abstract away ref to memory region names
loader: Abstract away ref to memory region names
tpm_tis: remove instance_finalize callback
memory: remove memory_region_destroy
memory: convert memory_region_destroy to object_unparent
ioport: split deletion and destruction
nic: do not destroy memory regions in cleanup functions
vga: do not dynamically allocate chain4_alias
sysbus: remove unused function sysbus_del_io
qom: object: move unparenting to the child property's release callback
qom: object: delete properties before calling instance_finalize
virtio-scsi: implement parse_cdb
scsi-block, scsi-generic: implement parse_cdb
scsi-block: extract scsi_block_is_passthrough
scsi-bus: introduce parse_cdb in SCSIDeviceClass and SCSIBusInfo
scsi-bus: prepare scsi_req_new for introduction of parse_cdb
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Before adding new ports to VirtIOSerial devices, check if there's a
conflict in the 'name' parameter. This ensures two virtserialports with
identical names are not initialized.
Reported-by: <mazhang@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
To ensure two virtserialports don't get added to the system with the
same 'name' parameter, we need to access all the ports on all the
devices added, and compare the names.
We currently don't have a list of all VirtIOSerial devices added to the
system. This commit adds a simple linked list in which devices are put
when they're initialized, and removed when they go away.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
* remotes/mcayland/qemu-sparc:
target-sparc64: implement Short Floating-Point Store Instructions
apb: add IOMMU flush register implementation
sun4u: switch second PCI-ebus bridge BAR over to PCI IO space
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 15 Aug 2014 18:04:23 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (55 commits)
qcow2: fix new_blocks double-free in alloc_refcount_block()
image-fuzzer: Reduce number of generator functions in __init__
image-fuzzer: Add generators of L1/L2 tables
image-fuzzer: Add fuzzing functions for L1/L2 table entries
docs: Expand the list of supported image elements with L1/L2 tables
image-fuzzer: Public API for image-fuzzer/runner/runner.py
image-fuzzer: Generator of fuzzed qcow2 images
image-fuzzer: Fuzzing functions for qcow2 images
image-fuzzer: Tool for fuzz tests execution
docs: Specification for the image fuzzer
ide: only constrain read/write requests to drive size, not other types
virtio-blk: Correct bug in support for flexible descriptor layout
libqos: Change free function called in malloc
libqos: Correct mask to align size to PAGE_SIZE in malloc-pc
libqtest: add QTEST_LOG for debugging qtest testcases
ide: Fix segfault when flushing a device that doesn't exist
qemu-options: add missing -drive discard option to cmdline help
parallels: 2TB+ parallels images support
parallels: split check for parallels format in parallels_open
parallels: replace tabs with spaces in block/parallels.c
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use the function provided rather than spying on the struct.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It is never used, since ISA device are not hot-unpluggable.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The function is empty after the previous patch, so remove it.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Explicitly call object_unparent in the few places where we
will re-create the memory region. If the memory region is
simply being destroyed as part of device teardown, let QOM
handle it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The memory regions should be destroyed in the unrealize function;
since these NICs are not even qdev-ified, they cannot be unplugged
and they do not have to do anything to destroy their memory regions.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Instead, add a boolean variable to indicate the presence of the region.
This avoids a repeated malloc/free (later we can also avoid the
add_child/unparent by changing the offset/size of the alias).
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The IOMMU flush register is a write-only register used to remove entries from the
hardware TLB. Allow guest writes to this register as a no-op, and return a value
of 0 for reads.
This fixes IOMMU DMA operations under NetBSD SPARC64.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
The ebus is the sun4u equivalent of the old ISA bus which is already mapped at
the beginning of PCI IO space within QEMU. NetBSD attempts to find the physical
addresses of devices connected to the ebus by parsing the BARs of the PCI-ebus
bridge and using the base address found by matching both the address space
type and range for a particular ebus address.
Since the second PCI-ebus bridge BAR is already aliased onto IO space, switch
the BAR over to match and reduce the size to 0x1000 which is enough to cover
all the legacy ioport devices whilst leaving the remaining IO space for other
PCI devices. This allows NetBSD SPARC64 to correctly detect and access devices
on the ebus.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Commit 58ac321135 introduced a check to ide dma processing which
constrains all requests to drive size. However, apparently, some
valid requests (like TRIM) does not fit in this constraint, and
fails in 2.1. So check the range only for reads and writes.
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Without this correction, only a three descriptor layout is accepted, and
requests with just two descriptors are not completed and no error message is
displayed.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
If we fail to set up guest or host notifiers, there's no use trying again
every time the guest kicks, so disable dataplane in that case.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The dataplane code is currently doing a hard exit if it fails to set
up either guest or host notifiers. In practice, this may mean that a
guest suddenly dies after a dataplane device failed to come up (e.g.,
when a file descriptor limit is hit for tne nth device).
Let's just try to unwind the setup instead and return.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Setting up guest or host notifiers may fail, but the user will have
no idea why: Let's print the error returned by the callback.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Make sure that both registers are synchronised when being accessed through
PCI configuration space.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Make sure that we also update the normal DMA interrupt status bits at the
same time, and alter the IRQ if being cleared accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This is in preparation for adding configuration space accessors which accept
PCIDevice as a parameter.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Make sure that the standard DMA interrupt status bits reflect any changes made
to the UDMA interrupt status bits. The CMD646U2 datasheet claims that these
bits are equivalent, and they must be synchronised for guests that manipulate
both registers.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Currently, the ioapic device can not be found in a qtest environment
when requesting "irq_interrupt_in ioapic" via the qtest socket.
By mirroring how the ioapic is added in i44ofx (hw/i440/pc_piix.c),
as a child of "q35," the device is able to be seen by qtest.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
PIO commands should put a PIO Setup FIS in the receive area when data
transfer ends. Currently QEMU does not do this and only places the
D2H FIS at the end of the operation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
AHCI has code to fill in the D2H FIS trigger the IRQ all over the place.
Centralize this in a single cmd_done callback by generalizing the existing
async_cmd_done callback.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This will provide a hook for sending the result of the command via the
FIS receive area.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
These are defined twice, just use one set consistently.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
They are not used by AHCI, and should not be even available there.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
It is now called only after the set_inactive callback. Put the two together.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Similar to the case removed in commit 69c38b8 (ide/core: Remove explicit
setting of BM_STATUS_INT, 2011-05-19), the only remaining use of
add_status(..., BM_STATUS_INT) is for short PRDs. The flag should
not be raised in this case.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Make it optional and prepare for the next patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Drop the unused return value and make the callback optional.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
