- 29 6月, 2010 4 次提交
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由 Sheng Yang 提交于
We can support it in KVM now. The 0xd leaf is queried from KVM. Signed-off-by: NSheng Yang <sheng@linux.intel.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Sheng Yang 提交于
Would use it later for XSAVE related CPUID. Signed-off-by: NSheng Yang <sheng@linux.intel.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Andre Przywara 提交于
the meaning of vendor_override is actually the opposite of how it is currently used :-( Fix it to allow KVM to export the non-native CPUID vendor if explicitly requested by the user. The intended behavior is: With TCG: - always inject the configured vendor (either hard-coded, in config files or via ",vendor=" commandline) With KVM: - by default inject the host's vendor - if the user specifies ",vendor=" on the commandline, use this instead of the host's vendor - all pre-configured vendors (hard-coded, config file) are ignored Signed-off-by: NAndre Przywara <andre.przywara@amd.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Jan Kiszka 提交于
Guest debugging under KVM is currently broken once io-threads are enabled. Easily fixable by switching the fake on_vcpu to the real run_on_cpu implementation. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 28 6月, 2010 8 次提交
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由 Stefan Weil 提交于
mingw32 does not include function ffs. Commit c6d29ad6 added a declaration for ffs, but an implementation was missing. For compilations with optimization, the compiler creates inline code, so the implementation is not always needed. Without optimization, linking fails without this patch. v2: Use __builtin_ffs as suggested by Richard Henderson Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NStefan Weil <weil@mail.berlios.de> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Stefan Weil 提交于
mingw32 does not define EPROTONOSUPPORT (which is used by migration.c and maybe future patches), so add a definition which uses a supported errno value. Signed-off-by: NStefan Weil <weil@mail.berlios.de> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Stefan Weil 提交于
libdis, libdis-user and qemu-options.def are generated directories / files and should be ignored by git. Signed-off-by: NStefan Weil <weil@mail.berlios.de> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Jan Kiszka 提交于
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Jan Kiszka 提交于
This fixes a regression of 0e26b7b8: Reset halted also on INIT. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Artyom Tarasenko 提交于
The MASTER_DISABLE bit (aka mask-all) masks all the interrupts. According to Sun-4M System Architecture "The level–15 interrupt sources [...] are maskable with the Interrupt Target Mask Register. While these interrupts are considered ’non–maskable’ within the SPARC IU, a mask capability is provided to allow the boot firmware to establish a basic environment before receiving any level–15 interrupts, which are non–maskable within SPARC. A mask–all bit is provided to allow disabling of all external interrupts during change of the CIT." Signed-off-by: NArtyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Blue Swirl 提交于
Convert fw_cfg to qdev. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Blue Swirl 提交于
System architecture dictates whether HAS_AUDIO is defined. It's then useless to check for HAS_AUDIO in files which are only used on those architectures which always have audio. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 23 6月, 2010 17 次提交
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由 Alex Williamson 提交于
The comment suggests we're checking for the driver in the ready state and bus master disabled, but the code is checking that it's not in the ready state. Signed-off-by: NAlex Williamson <alex.williamson@redhat.com> Found-by: NAmit Shah <amit.shah@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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This patch uses mknod to create socket. On Host/Fileserver: -rw-------. 1 virfsuid virtfsgid 0 2010-05-11 09:57 asocket1 On Guest/Client: srwxr-xr-x 1 guestuser guestuser 0 2010-05-11 12:57 asocket1 Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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Mapped mode stores extended attributes in the user space of the extended attributes. Given that the user space extended attributes are available to regular files only, special files are created as regular files on the fileserver and appropriate mode bits are added to the extended attributes. This method presents all special files and symlinks as regular files on the fileserver while they are represented as special files on the guest mount. On Host/Fileserver: -rw-------. 1 virfsuid virtfsgid 0 2010-05-11 09:36 afifo -rw-------. 1 virfsuid virtfsgid 0 2010-05-11 09:32 blkdev -rw-------. 1 virfsuid virtfsgid 0 2010-05-11 09:33 chardev On Guest/Client: prw-r--r-- 1 guestuser guestuser 0 2010-05-11 12:36 afifo brw-r--r-- 1 guestuser guestuser 0, 0 2010-05-11 12:32 blkdev crw-r--r-- 1 guestuser guestuser 4, 5 2010-05-11 12:33 chardev In the passthrough securit model, specifal files are directly created on the fileserver. But the user credential Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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Mapped mode stores extended attributes in the user space of the extended attributes. Given that the user space extended attributes are available to regular files only, special files are created as regular files on the fileserver and appropriate mode bits are added to the extended attributes. This method presents all special files and symlinks as regular files on the fileserver while they are represented as special files on the guest mount. Implemntation of symlink in mapped security model: A regular file is created and the link target is written to it. readlink() reads it back from the file. On Guest/Client: lrwxrwxrwx 1 root root 6 2010-05-11 12:20 asymlink -> afile On Host/Fileserver: -rw-------. 1 root root 6 2010-05-11 09:20 asymlink afile Under passthrough model, it just calls underlying symlink() readlink() system calls are used. Under both security models, client user credentials are changed after the filesystem objec creation. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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In the mapped security model, VirtFS server intercepts and maps the file object create and get/set attribute requests. Files on the fileserver will be created with VirtFS servers (QEMU) user credentials and the client-users credentials are stored in extended attributes. On the request to get attributes, server extracts the client-users credentials from extended attributes and sends them to the client. On Host/Fileserver: -rw-------. 2 virfsuid virtfsgid 0 2010-05-11 09:19 afile On Guest/Client: -rw-r--r-- 2 guestuser guestuser 0 2010-05-11 12:19 afile Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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mapped model changes the owner in the extended attributes. passthrough model does the change through lchown() as the server don't need to follow the link and client will send the actual filesystem object. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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This patch adds required infrastructure for the new security model. - A new configure option for attr/xattr. - if CONFIG_VIRTFS will be defined if both CONFIG_LINUX and CONFIG_ATTR defined. - Defines routines related to both security models. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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The new option is: -fsdev fstype,id=myid,path=/share_path/,security_model=[mapped|passthrough] -virtfs fstype,path=/share_path/,security_model=[mapped|passthrough],mnt_tag=tag In the case of mapped security model, files are created with QEMU user credentials and the client-user's credentials are saved in extended attributes. Whereas in the case of passthrough security model, files on the filesystem are directly created with client-user's credentials. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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This patch rearranges the fileop structures by moving the structure definitions from virtio-9p.c to virtio-9p.h file. No functional changes. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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This patch fluesh the debug messages to the log file at the end of each debug message. Changes from V1: Used fflush instead fseek for the flush. Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Michael Tokarev 提交于
In net/tap-linux.c, when manipulation of /dev/net/tun fails, it prints (with fprintf) something like this: warning: could not open /dev/net/tun: no virtual network emulation this has 2 issues: 1) it is not a warning really, it's a fatal error (kvm exits after that), 2) there's no indication as of what's actually wrong: printing errno there is helpful. The patch below removes the "warning" prefix, uses %m (since it's linux, %m is available as format modifier), and changes fprintf() to %qemu_error(). Now it prints something like this instead: could not configure /dev/net/tun: Device or resource busy (there are 2 messages like that in the same function) This fixes Debian bug #578154, see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578154Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru> Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Bernhard M. Wiedemann 提交于
The code comes from http://lists.gnu.org/archive/html/qemu-devel/2010-05/msg02788.html Without this patch it is not possible to send at least 10 special characters (\|'"`~:;[]{}) via the monitor sendkey command. Signed-off-by: NBernhard M. Wiedemann <qemudevbmw@lsmod.de> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 22 6月, 2010 11 次提交
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由 Kevin Wolf 提交于
Trying to check them leads to a second error message which is more confusing than helpful: Can't get refcount for cluster 0: Invalid argument ERROR cluster 0 refcount=-22 reference=1 Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
With corrupted images, we can easily get an cluster index that exceeds the array size of the temporary refcount table. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Yoshiaki Tamura 提交于
Although it is really rare to get in to the while loop, the list operation in the loop is obviously wrong. Signed-off-by: NYoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 MORITA Kazutaka 提交于
Some block drivers use an aio handler and do I/O completion routines in it. However, the handler is not invoked if we only do aio_read/write, because registered fds are not checked at all. This patch registers an aio handler of STDIO to checks whether we can read a command without blocking, and calls qemu_aio_wait() in command_loop(). Any other handlers can be invoked when user input is idle. Signed-off-by: NMORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. While at it, correct the wrong usage of errno. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Add new functions that write and flush the written data to disk immediately. This is what needs to be used for image format metadata to maintain integrity for cache=... modes that don't use O_DSYNC. (Actually, we only need barriers, and therefore the functions are defined as such, but flushes is what is implemented in this patch - we can try to change that later) Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Eduardo Habkost 提交于
This changes the monitor eject_device() function to not check for bdrv_is_inserted(). Example run where the bug manifests itself: (output of 'info block' is stripped to include only the CD-ROM device) (qemu) info block ide1-cd0: type=cdrom removable=1 locked=0 [not inserted] (qemu) change ide1-cd0 /dev/cdrom host_cdrom (qemu) info block ide1-cd0: type=cdrom removable=1 locked=0 file=/dev/cdrom ro=1 drv=host_cdrom encrypted=0 (qemu) eject ide1-cd0 (qemu) info block ide1-cd0: type=cdrom removable=1 locked=0 file=/dev/cdrom ro=1 drv=host_cdrom encrypted=0 # at this point, a disk was inserted on the host CD-ROM drive (qemu) info block ide1-cd0: type=cdrom removable=1 locked=0 file=/dev/cdrom ro=1 drv=host_cdrom encrypted=0 (qemu) eject ide1-cd0 (qemu) info block ide1-cd0: type=cdrom removable=1 locked=0 [not inserted] (qemu) The first eject command didn't work because the is_inserted() check failed. I have no clue why the code had the is_inserted() check, as it doesn't matter if there is a disk present at the host drive, when the user wants the virtual device to be disconnected from the host device. The is_inserted() check has another side effect: a memory leak if the "change" command is used multiple times, as do_change() calls eject_device() before re-opening the block device, but bdrv_close() is never called. Signed-off-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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