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2012-08-13migration: don't rely on any QERR_SOCKET_*Luiz Capitulino2-15/+9
Use the in_progress argument for QERR_SOCKET_CONNECT_IN_PROGRESS. The other errors are handled the same by checking if the error is set and then calling migrate_fd_error() if it's. It's also necessary to change inet_connect_opts() not to set QERR_SOCKET_CONNECT_IN_PROGRESS. This error is only used by tcp_start_outgoing_migration() and not changing it along with the usage of in_progress would break migration. Furthermore this commit fixes a bug. Today, there's a spurious error report when migration succeeds: (qemu) migrate tcp:0:4444 migrate: Connection can not be completed immediately (qemu) After this commit no spurious error is reported anymore. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13net: inet_connect(), inet_connect_opts(): add in_progress argumentLuiz Capitulino6-9/+17
It's used to indicate the special case where a valid file-descriptor is returned (ie. success) but the connection can't be completed w/o blocking. This is needed because QERR_SOCKET_CONNECT_IN_PROGRESS is not treated like an error and a future commit will drop it. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13hmp_change(): don't access DeviceEncrypted's dataLuiz Capitulino1-27/+2
It's not needed. As the device name is already known, we can replace the duplicated password prompting code by monitor_read_block_device_key(). This overly simplifies hmp_change(). Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13hmp: hmp_cont(): don't rely on QERR_DEVICE_ENCRYPTEDLuiz Capitulino1-18/+19
This commit changes hmp_cont() to loop through all block devices and proactively set an encryption key for any encrypted device missing a key. This change is needed because QERR_DEVICE_ENCRYPTED is going to be dropped by a future commit. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qmp: query-block: add 'encryption_key_missing' fieldLuiz Capitulino2-3/+7
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13error: don't delay error message constructionLuiz Capitulino2-10/+2
Today, the error message is only constructed when it's used. This commit changes that to construct the error message when the error object is built (ie. when the error is reported). This simplifies the Error object. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: don't delay error message constructionLuiz Capitulino2-26/+5
Today, the error message is only constructed when it's used. This commit changes qerror to construct the error message when the error object is built (ie. when the error is reported). This eliminates the need of storing a pointer to qerror_table[], which will be dropped soon, and also simplifies the code. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: qerror_format(): return an allocated stringLuiz Capitulino3-7/+10
Simplifies current and future users. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: QError: drop file, linenr, funcLuiz Capitulino2-24/+4
They have never been fully used and conflict with future error improvements. Also makes qerror_report() a proper function, as there's no point in having it as a macro anymore. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: avoid passing qerr pointerLuiz Capitulino1-12/+12
Helps dropping/modifying qerror functions. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: drop qerror_abort()Luiz Capitulino1-27/+14
qerror_abort() depends on the 'file', 'func' and 'linenr' members of QError. However, these members are going to be dropped by the next commit, so let's drop qerror_abort() in favor of printing an error message to stderr plus a call to abort(). Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: reduce public exposureLuiz Capitulino2-10/+5
qerror will be dropped in a near future, let's reduce its public exposure by making functions only used in qerror.c static. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: QERR_DEVICE_ENCRYPTED: change error messageLuiz Capitulino1-1/+1
Match what HMP commands print on DeviceEncrypted errors. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qerror: QERR_AMBIGUOUS_PATH: drop %(object) from human msgLuiz Capitulino1-1/+1
Actually, renames it to 'object'. This must be what the original author meant to write, as there's no 'object' in the error's data member. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13monitor: drop unused monitor debug codeLuiz Capitulino2-75/+0
In the old QMP days, this code was used to find out QMP commands that might be calling monitor_printf() down its call chain. This is almost impossible to happen today, because the qapi converted commands don't even have a monitor object. Besides, it's been more than a year since I used this last time. Let's just drop it. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13qom: Reimplement InterfacesAnthony Liguori2-150/+116
The current implementation of Interfaces is poorly designed. Each interface that an object implements ends up being an object that's tracked by the implementing object. There's all sorts of gymnastics to deal with casting between these objects. But an interface shouldn't be associated with an Object. Interfaces are global to a class. This patch moves all Interface knowledge to ObjectClass eliminating the relationship between Object and Interfaces. Interfaces are now abstract (as they should be) but this is okay. Interfaces essentially act as additional parents for the classes and are treated as such. With this new implementation, we should fully support derived interfaces including reimplementing an inherited interface. PC: Rebased against qom-next merge Jun-2012. PC: Removed replication of cast logic for interfaces, i.e. there is only one cast function - object_dynamic_cast() (and object_dynamic_cast_assert()) Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-08-13xilinx_axi*: Re-implemented interconnectPeter A. G. Crosthwaite8-107/+139
Re-implemented the interconnect between the Xilinx AXI ethernet and DMA controllers. A QOM interface "stream" is created, for the two stream interfaces. As per Edgars request, this is designed to be more generic than AXI-stream, so in the future we may see more clients of this interface beyond AXI stream. This is based primarily on Paolos original refactoring of the interconnect. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-08-11Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori7-30/+30
* stefanha/trivial-patches: target-arm: Fix typos in comments arm: translate: comment typo - s/middel/middle/ vl.c: Exit QEMU early if no machine is found
2012-08-11Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori15-45/+155
* kwolf/for-anthony: qemu-iotests: skip 039 with ./check -nocache block: add BLOCK_O_CHECK for qemu-img check qcow2: mark image clean after repair succeeds qed: mark image clean after repair succeeds blockdev: flip default cache mode from writethrough to writeback virtio-blk: disable write cache if not negotiated virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE qemu-iotests: Save some sed processes ahci: Fix sglist memleak in ahci_dma_rw_buf() ahci: Fix ahci cdrom read corruptions for reads > 128k virtio-blk: fix use-after-free while handling scsi commands
2012-08-11Merge remote-tracking branch 'bonzini/scsi-next' into stagingAnthony Liguori8-42/+163
* bonzini/scsi-next: scsi-disk: add support for the UNMAP command scsi-disk: improve out-of-range LBA detection for WRITE SAME scsi-disk: more assertions and resets for aiocb virtio-scsi: do not compare 32-bit QEMU tags against 64-bit virtio-scsi tags iscsi: Pick default initiator-name based on the name of the VM iscsi: reorganize code for parse_initiator_name iscsi: do not leak initiator_name
2012-08-11configure: fix double check tests with ClangBlue Swirl1-3/+3
Configuring with Clang compiler with -Werror would not work after improved checks: /tmp/qemu-conf--25992-.c:4:32: error: self-comparison always evaluates to true [-Werror,-Wtautological-compare] int main(void) { return preadv == preadv; } /tmp/qemu-conf--25992-.c:13:26: error: self-comparison always evaluates to true [-Werror,-Wtautological-compare] return epoll_create1 == epoll_create1; /tmp/qemu-conf--25992-.c:3:13: error: explicitly assigning a variable of type 'char **' to itself [-Werror,-Wself-assign] environ = environ; Avoid the errors by adjusting the tests. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11configure: Check for -Werror causing failures when compiling testsPeter Maydell1-4/+28
Add support for checking whether test case code can compile without warnings, by recompiling each successful test with -Werror. If the -Werror version doesn't pass, we bail out. This gives us the same level of visibility of warnings in test code as --enable-werror provides for the main compile. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11exec.c: fix dirty bitmap reallocationIgor Mitsyanko1-0/+2
For each newly created RAM block, dirty bitmap is reallocated with g_realloc, which doesn't make any promises on initial content of new extra data in returned buffer. In theory, we initialize this new data with cpu_physical_memory_set_dirty_range() call. The problem is, cpu_physical_memory_set_dirty_range() has a side effect of incrementing ram_list.dirty_pages variable, but only for pages which are not already dirty. And page "cleanliness" is determined using the same not yet uninitialized dirty bitmap we've just reallocated. This results in inconsistency between real dirty page number and value in ram_list.dirty_pages variable, which in turn could (and will) result in errors during VM migration. Zero initialize new dirty bitmap bytes to fix this problem. Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11Makefile: add qapi.py dependenciesStefan Hajnoczi1-6/+8
Commit 427a1a2cb1d35b83b6302886f46289f6d617134d ("qapi: avoid reserved keywords") modifies qapi.py, which is used by qapi-types.py and other Python scripts. Because Makefile has no dependencies for qapi.py the qapi code generator will not be rerun and the following build error is produced: net/slirp.c: In function ‘net_init_slirp’: net/slirp.c:721:50: error: ‘NetdevUserOptions’ has no member named ‘q_restrict’ Fix this issue by adding the missing qapi.py dependencies. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add a minimal curses screen supportGuan Xuetao1-2/+43
This patch adds a minimal curses screen support for unicore32-softmmu. We assume 80*30 screen size to minimize the implementation. Two problems are not solved, but they are innocuous. 1. curses windows will be blank when switching to monitor screen and back 2. backspace is not handled yet v1->v2: add extra handler for '\r' Signed-off-by: Zhang Mengchi <zhangmengchi@mprc.pku.edu.cn> Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32: Close dump-option of cpu_dump_state_ucf64 functionGuan Xuetao1-1/+1
Since of tedious output, we close dump-option of cpu_dump_state_ucf64 function. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32: Disintegrate cpu_dump_state_ucf64 functionGuan Xuetao1-16/+25
This patch disintegrates cpu_dump_state_ucf64 function from cpu_dump_state. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32: Split UniCore-F64 instruction helpers from helper.cGuan Xuetao3-330/+347
This patch just splits ucf64 instruction simulation helpers from helper.c. Also, two checkpatch warnings are solved. v1->v2: adjust copyright information for new ucf64_helper.c Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add is_default setting for puv3 machineGuan Xuetao1-0/+1
This patch sets is_default to 1 for puv3 machine, so that find_default_machine() returns puv3 machine. Thanks Dunrong for pointing it out. Cc: Dunrong Huang <riegamaths@gmail.com> Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add maintainer information for UniCore32 machineGuan Xuetao1-0/+8
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add ps2 supportGuan Xuetao2-0/+6
This patch adds ps2/keyboard support, and enables CONFIG_PCKBD. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 dma supportGuan Xuetao3-0/+111
This patch adds puv3 dma (Direct Memory Access) support, include dma device simulation for kernel booting. v1->v2: Add initialization to ret in puv3_dma_read. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 pm supportGuan Xuetao3-0/+151
This patch adds puv3 pm (power management) support, include pm device simulation for kernel booting. Thank Blue Swirl for pointing out the missing "break". v1->v2: Add initialization to ret in puv3_pm_read. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 gpio supportGuan Xuetao3-0/+148
This patch adds puv3 gpio (General Purpose Input/Output) support, include gpio device simulation and its interrupt support. v1->v2: Add initialization to ret in puv3_gpio_read. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 ostimer supportGuan Xuetao4-0/+156
This patch adds puv3 ostimer support, include os timer device simulation and ptimer support in puv3 machine. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 interrupt supportGuan Xuetao3-1/+160
This patch adds puv3 interrupt support, include interrupt controler device simulation and interrupt handler in puv3 machine. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add puv3 soc/board supportGuan Xuetao4-0/+148
This patch only add puv3 soc/board support, which introduces puv3 machine description, and specifies console type. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Make sure that kernel can access user spaceGuan Xuetao1-10/+26
As a matter of course, we need to access user space in kernel code, so we need to correct load/store decoders to indicate correct memory region. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Implement softmmu specific functionsGuan Xuetao2-5/+253
This patch implements softmmu specific functions, include tlb_fill, switch_mode, do_interrupt and uc32_cpu_handle_mmu_fault. So the full exception handlers and page table walking could work now. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11target-unicore32: Drop UC32_CPUID macrosAndreas Färber1-4/+0
Any code that depends on a particular CPU type can now go through callbacks on the QOM UniCore32CPUClass. Signed-off-by: Andreas Färber <afaerber@suse.de Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Make UniCore32 cpuid & exceptions correct and runableGuan Xuetao4-12/+25
This patch initializes the cpuid to exactly correct value because linux kernel will check it. In addition, the exception types are specified in proper situations. Then it could make exceptions generated correctly and timely. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add coprocessor 0(sysctrl) and 1(ocd) instruction supportGuan Xuetao3-49/+233
Coprocessor 0 is system control coprocessor, and we need get/set its contents. Also, all cache/tlb ops shoule be implemented here, but just ignored with no harm. Coprocessor 1 is OCD (on-chip-debugger), which is used for faked console, so we could output chars to this console without graphic card. TODO: curses display should be added lator for screen output. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-11unicore32-softmmu: Add unicore32-softmmu build supportGuan Xuetao10-15/+106
This patch adds unicore32-softmmu build support, include configure, makefile, arch_init, and all missing functions needed by softmmu. Although all missing functions are empty, unicore32-softmmu could be build successfully. By 20120804: change QEMU_ARCH_UNICORE32 to 0x4000 Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-10target-arm: Fix typos in commentsPeter Maydell6-24/+24
Fix a variety of typos in comments in target-arm files. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-10arm: translate: comment typo - s/middel/middle/Peter A. G. Crosthwaite1-1/+1
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-10vl.c: Exit QEMU early if no machine is foundDunrong Huang1-5/+5
We check whether the variable machine is NULL or not before accessing it. If machine is NULL, exit QEMU with an error, this can avoids a segfault error. Markus Armbruster <armbru@redhat.com> adds that the segfault can be reproduced as follows: $ qemu-system-xtensa -cpu help Signed-off-by: Dunrong Huang <riegamaths@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-10qemu-iotests: skip 039 with ./check -nocacheStefan Hajnoczi2-0/+15
When the qemu-io --nocache option is used the 039 test case cannot abort QEMU at a point where the image is dirty. Skip the test case. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-08-10block: add BLOCK_O_CHECK for qemu-img checkStefan Hajnoczi5-4/+11
Image formats with a dirty bit, like qed and qcow2, repair dirty image files upon open with BDRV_O_RDWR. Performing automatic repair when qemu-img check runs is not ideal because the bdrv_open() call repairs the image before the actual bdrv_check() call from qemu-img.c. Fix this "double repair" since it leads to confusing output from qemu-img check. Tell the block driver that this image is being opened just for bdrv_check(). This skips automatic repair and qemu-img.c can invoke it manually with bdrv_check(). Update the golden output for qemu-iotests 039 to reflect the new qemu-img check output. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-08-10qcow2: mark image clean after repair succeedsStefan Hajnoczi1-13/+15
The dirty bit is cleared after image repair succeeds in qcow2_open(). Move this into qcow2_check() so that all callers benefit from this behavior when fix mode is enabled. This is necessary so qemu-img check can call .bdrv_check() and mark the image clean. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-08-10qed: mark image clean after repair succeedsStefan Hajnoczi3-8/+32
The dirty bit is cleared after image repair succeeds in qed_open(). Move this into qed_check() so that all callers benefit from this behavior when fix=true. This is necessary so qemu-img check can call .bdrv_check() and mark the image clean. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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