Kevin Wolf [Wed, 1 Jun 2011 12:03:31 +0000 (14:03 +0200)]
bdrv_img_create: Fix segfault
Block drivers that don't support creating images don't have a size option. Fail
gracefully instead of segfaulting when trying to access the option's value.
Josh Durgin [Thu, 26 May 2011 23:07:32 +0000 (16:07 -0700)]
rbd: allow configuration of rados from the rbd filename
The new format is rbd:pool/image[@snapshot][:option1=value1[:option2=value2...]]
Each option is used to configure rados, and may be any Ceph option, or "conf".
The "conf" option specifies a Ceph configuration file to read.
This allows rbd volumes from more than one Ceph cluster to be used by
specifying different monitor addresses, as well as having different
logging levels or locations for different volumes.
Christoph Egger [Tue, 24 May 2011 09:30:29 +0000 (11:30 +0200)]
block/raw-posix: use a character device if a block device is given
On NetBSD a userland process is better with the character device
interface. In addition, a block device can't be opened twice; if a Xen
backend opens it, qemu can't and vice-versa.
Alexander Graf [Tue, 24 May 2011 22:46:55 +0000 (00:46 +0200)]
vmdk: fix endianness bugs
The vmdk code is sloppy when handling the header descriptor during
creation of an image. Fix all header accesses in the create path to
either store native endianness or convert it when appropriate.
Change BDRV_O_NOCACHE to only imply bypassing the host OS file cache,
but no writeback semantics. All existing callers are changed to also
specify BDRV_O_CACHE_WB to give them writeback semantics.
Kevin Wolf [Thu, 19 May 2011 14:42:24 +0000 (16:42 +0200)]
ide/core: Remove explicit setting of BM_STATUS_INT
BM_STATUS_INT is automatically set during ide_set_irq(), there's no reason to
set it manually in addition.
There is even one case where the interrupt status bit was set, but no IRQ was
raised. This is when the PRD table was reached but there is more data to
transfer. The correct behaviour for this case is not to set BM_STATUS_INT.
Martin Simmons [Mon, 6 Jun 2011 14:49:17 +0000 (15:49 +0100)]
target-i386: Make x86 mfence and lfence illegal without SSE2
While trying to use qemu -cpu pentium3 to test for incorrect uses of certain
SSE2 instructions, I found that QEMU allowed the mfence and lfence
instructions to be executed even though Pentium 3 doesn't support them.
According to the processor specs (and experience on a real Pentium 3), these
instructions are only available with SSE2, but QEMU is checking for SSE. The
check for the related sfence instruction is correct (it works with SSE).
Alexander Graf [Sat, 4 Jun 2011 05:25:59 +0000 (07:25 +0200)]
slirp: fix guestfwd id
When using -net user,guestfwd=... Qemu immediately complains about the id
being in invalid format. This is because we pass in an id that contains a
colon, while the id restrictions don't allow colons.
This patch changes the colon into a dot, making guestfwd work again.
Fix compilation warning due to missing header for sigaction
Fix the following warning by including signal.h directly in qemu-common.h
----8<----
iohandler.c: In function ‘qemu_init_child_watch’:
iohandler.c:172: warning: implicit declaration of function ‘sigaction’
iohandler.c:172: warning: nested extern declaration of ‘sigaction’
----8<----
Glauber Costa [Mon, 16 May 2011 18:45:08 +0000 (15:45 -0300)]
Add an isa device for SGA
This patch adds a dummy legacy ISA device whose responsibility is to
deploy sgabios, an option rom for a serial graphics adapter.
The proposal is that this device is always-on when -nographics,
but can otherwise be enable in any setup when -device sga is used.
[v2: suggestions on qdev by Markus ]
[v3: cleanups and documentation, per list suggestions ]
Michael Roth [Wed, 1 Jun 2011 17:14:59 +0000 (12:14 -0500)]
json-streamer: add handling for JSON_ERROR token/state
This allows a JSON_ERROR state to be passed to the streamer to force a
flush of the current tokens and pass a NULL token list to the parser
rather that have it churn on bad data. (Alternatively we could just not
pass it to the parser at all, but it may be useful to push there errors
up the stack. NULL token lists are not currently handled by the parser,
the next patch will address that)
Michael Roth [Wed, 1 Jun 2011 17:14:58 +0000 (12:14 -0500)]
json-lexer: make lexer error-recovery more deterministic
Currently when we reach an error state we effectively flush everything
fed to the lexer, which can put us in a state where we keep feeding
tokens into the parser at arbitrary offsets in the stream. This makes it
difficult for the lexer/tokenizer/parser to get back in sync when bad
input is made by the client.
With these changes we emit an error state/token up to the tokenizer as
soon as we reach an error state, and continue processing any data passed
in rather than bailing out. The reset token will be used to reset the
tokenizer and parser, such that they'll recover state as soon as the
lexer begins generating valid token sequences again.
We also map chr(192,193,245-255) to an error state here, since they are
invalid UTF-8 characters. QMP guest proxy/agent will use chr(255) to
force a flush/reset of previous input for reliable delivery of certain
events, so also we document that thoroughly here.
Michael Roth [Wed, 1 Jun 2011 17:14:57 +0000 (12:14 -0500)]
json-lexer: fix flushing logic to not always go to error state
Currently we flush the lexer by passing in a NULL character. This
generally forces the lexer to go to the corresponding TERMINAL() state
for whatever token type it is currently parsing, emits the token to the
parser, then puts the lexer back into IN_START state. However, since a
NULL character causes char_consumed to be 0, we always do a second pass
after this, which puts us in the IN_ERROR state. Fix this behavior by
adding a "flush" flag that tells the lexer not to do a more than 1
iteration.
Luiz Capitulino [Wed, 1 Jun 2011 17:14:47 +0000 (12:14 -0500)]
QError: Introduce qerror_format_desc()
Refactor non-QError-specific bits out of qerror_human() into general
function that can be used by the error_get_pretty() analogue in the
new error-propagation framework.
Anthony Liguori [Mon, 6 Jun 2011 13:25:06 +0000 (08:25 -0500)]
Fix regression introduced by -machine accel=
Commit 85097db6 changed the timing when kvm_allowed is set until after
kvm is initialized. During initialization, the ioeventfd initialization code
checks kvm_enabled() and after this change, ioeventfd is effectively disabled.
This causes a significant regression in performance.
Fix this by setting kvm_allowed before calling init.
Arun Thomas [Thu, 28 Apr 2011 14:11:11 +0000 (16:11 +0200)]
multiboot: set boot_device to first partition
The multiboot info struct's 'boot_device' field has 'part1' set to 0x01, which
maps to the second primary partition. To specify the first primary partition,
'part1' should be set to 0x00, since partition numbers start from zero
according to the multiboot spec.
Peter Maydell [Fri, 27 May 2011 12:12:13 +0000 (13:12 +0100)]
tcg: If DEBUG_TCGV, distinguish TCGv_ptr from TCGv_i32/TCGv_i64
When compiling with DEBUG_TCGV enabled, make the TCGv_ptr type distinct
from TCGv_i32/TCGv_i64. This means that using an i32 or i64 TCG op to
manipulate a TCGv_ptr will always be detected at compile time, rather
than only if compiling on a host system with the other word size.
NB: the tcg_add_ptr and tcg_sub_ptr macros have been removed as they
were not used anywhere.
Peter Maydell [Fri, 27 May 2011 12:12:12 +0000 (13:12 +0100)]
tcg/tcg-op.h: Fix prototypes for ld/st functions on 64 bit hosts
The prototypes for the ld/st functions on a 64 bit host declared
the address parameter as a TCGv_i64 rather than a TCGv_ptr. This
worked OK (since the two are aliases), but needs to be fixed to
allow extension of TCG type debugging to i64/i32/ptr mismatches.
Brad [Thu, 26 May 2011 03:06:00 +0000 (23:06 -0400)]
Use the correct header in the TCG MIPS code to find cacheflush() on OpenBSD.
Use the correct header in the TCG MIPS code to find cacheflush() on OpenBSD
to fix compilation of the MIPS host support for OpenBSD/mips64 based architecures.
Alexander Graf [Mon, 30 May 2011 08:49:45 +0000 (10:49 +0200)]
s390x: fix cksm instruction
The cksm instruction was implemented incorrectly, rendering UDP and TCP
checksum calculation wrong, making an emulated s390x Linux guest break
in most networking operations.
This patch fixes odd end checksum calculation, takes the input register
as input for the checksum and optimizes the overflow pieces by a bit.
Alexander Graf [Sat, 28 May 2011 00:12:33 +0000 (02:12 +0200)]
s390x: free tmp explicitly in every opcode for disas_a5()
The disas_a5() function provided a TCG tmp variable which was populated
by the respective opcode implementations, but freed at the end of the
function in generic code.
That makes it really hard for code review, so let's move the freeing
to the same scope as the actual allocation.
Alexander Graf [Fri, 27 May 2011 01:23:26 +0000 (03:23 +0200)]
PPC: fix mpc8544ds pci default devices
After the Qdev'ification of the MPC8544DS board and PCI bus, the internal
PCI bus name changed from "pci" to "pci.0". Reflect this change in the
search for that bus.
This patch enables networking on e500 guests again.
Alexander Graf [Wed, 25 May 2011 13:04:42 +0000 (15:04 +0200)]
PPC: fix sregs usage on booke
When compiling qemu with kvm support on BookE PPC machines, I get
the following error:
cc1: warnings being treated as errors
/tmp/qemu/target-ppc/kvm.c: In function 'kvm_arch_get_registers':
/tmp/qemu/target-ppc/kvm.c:188: error: unused variable 'sregs'
This is due to overly ambitious #ifdef'ery introduced in 90dc88.
Fix it by keeping code that doesn't depend on new headers alive
for the compiler, but never executed due to failing capability
checks.
Stefan Weil [Fri, 20 May 2011 20:30:19 +0000 (22:30 +0200)]
ppc: Fix compilation for ppc64-softmmu
When QEMU was configured with --enable-debug-tcg,
compilation fails in spr_write_booke206_mmucsr0() and in
spr_write_booke_pid(). Similar changes are also needed
in conditional code which is normally unused.
Juha Riihim?ki [Tue, 31 May 2011 18:40:21 +0000 (19:40 +0100)]
audio: fix integer overflow expression
Fix an integer overflow that can happen for signed 32 bit types
when using FLOAT_MIXENG. (Note that at the moment this is only true
when using the MacOSX coreaudio audio driver.)
Marcus Comstedt [Sat, 28 May 2011 14:55:52 +0000 (16:55 +0200)]
bitbang_i2c: Fix spurious slave read after NACK
After NACKing a read operation, a raising SCL should not trigger a new
read from the slave. Introduce a new state which just waits for a stop
or start condition after NACK.
virtio-serial-bus needs to treat "virtconsole" devices specially. It
uses VirtIOSerialPort member is_console to recognize them. It gets
its value via property initialization. Cute hack, except it lets
users mess with it: "-device virtconsole,is_console=0" isn't plugged
into port 0 as it should.
Move the flag to VirtIOSerialPortInfo. Keep the property for backward
compatibility; its value has no effect.
Alon Levy [Fri, 29 Apr 2011 11:25:06 +0000 (14:25 +0300)]
virtio-serial-bus: use bh for unthrottling
Instead of calling flush_queued_data when unthrottling, schedule
a bh. That way we can return immediately to the caller, and the
flush uses the same call path as a have_data for callbackee.
No migration change is required because bh are called from vm_stop.
Paolo Bonzini [Mon, 18 Apr 2011 12:29:16 +0000 (14:29 +0200)]
scsi-generic: Handle queue full
The sg driver currently has a hardcoded limit of commands it
can handle simultaneously. When this limit is reached the
driver will return -EDOM. So we need to capture this to
enable proper return values here.
Hannes Reinecke [Mon, 18 Apr 2011 10:57:22 +0000 (12:57 +0200)]
scsi-disk: add data direction checking
scsi_req_parse() already provides for a data direction setting,
so we should be using it to check for correct direction.
And we should return the sense code 'INVALID FIELD IN CDB'
in these cases.
Hannes Reinecke [Mon, 18 Apr 2011 11:36:02 +0000 (13:36 +0200)]
scsi: Implement 'get_sense' callback
The get_sense callback copies existing sense information into
the provided buffer. This is required if sense information
should be transferred together with the command response.
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