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2016-07-12Clean up ill-advised or unusual header guardsMarkus Armbruster2-6/+6
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-06-16os-posix: include sys/mman.hPaolo Bonzini1-1/+0
qemu/osdep.h checks whether MAP_ANONYMOUS is defined, but this check is bogus without a previous inclusion of sys/mman.h. Include it in sysemu/os-posix.h and remove it from everywhere else. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19qemu-common: stop including qemu/host-utils.h from qemu-common.hPaolo Bonzini1-0/+1
Move it to the actual users. There are some inclusions of qemu/host-utils.h in headers, but they are all necessary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-18Fix some typos found by codespellStefan Weil1-1/+1
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-03-24Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell1-1/+2
* Log filtering from Alex and Peter * Chardev fix from Marc-André * config.status tweak from David * Header file tweaks from Markus, myself and Veronia (Outreachy candidate) * get_ticks_per_sec() removal from Rutuja (Outreachy candidate) * Coverity fix from myself * PKE implementation from myself, based on rth's XSAVE support # gpg: Signature made Thu 24 Mar 2016 20:15:11 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" * remotes/bonzini/tags/for-upstream: (28 commits) target-i386: implement PKE for TCG config.status: Pass extra parameters char: translate from QIOChannel error to errno exec: fix error handling in file_ram_alloc cputlb: modernise the debug support qemu-log: support simple pid substitution for logs target-arm: dfilter support for in_asm qemu-log: dfilter-ise exec, out_asm, op and opt_op qemu-log: new option -dfilter to limit output qemu-log: Improve the "exec" TB execution logging qemu-log: Avoid function call for disabled qemu_log_mask logging qemu-log: correct help text for -d cpu tcg: pass down TranslationBlock to tcg_code_gen util: move declarations out of qemu-common.h Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND hw: explicitly include qemu-common.h and cpu.h include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.h isa: Move DMA_transfer_handler from qemu-common.h to hw/isa/isa.h Move ParallelIOArg from qemu-common.h to sysemu/char.h Move QEMU_ALIGN_*() from qemu-common.h to qemu/osdep.h ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: scripts/clean-includes
2016-03-22util: move declarations out of qemu-common.hVeronia Bahaa1-1/+1
Move declarations out of qemu-common.h for functions declared in utils/ files: e.g. include/qemu/path.h for utils/path.c. Move inline functions out of qemu-common.h and into new files (e.g. include/qemu/bcd.h) Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22include/qemu/osdep.h: Don't include qapi/error.hMarkus Armbruster1-0/+1
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the Error typedef. Since then, we've moved to include qemu/osdep.h everywhere. Its file comment explains: "To avoid getting into possible circular include dependencies, this file should not include any other QEMU headers, with the exceptions of config-host.h, compiler.h, os-posix.h and os-win32.h, all of which are doing a similar job to this file and are under similar constraints." qapi/error.h doesn't do a similar job, and it doesn't adhere to similar constraints: it includes qapi-types.h. That's in excess of 100KiB of crap most .c files don't actually need. Add the typedef to qemu/typedefs.h, and include that instead of qapi/error.h. Include qapi/error.h in .c files that need it and don't get it now. Include qapi-types.h in qom/object.h for uint16List. Update scripts/clean-includes accordingly. Update it further to match reality: replace config.h by config-target.h, add sysemu/os-posix.h, sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h comment quoted above similarly. This reduces the number of objects depending on qapi/error.h from "all of them" to less than a third. Unfortunately, the number depending on qapi-types.h shrinks only a little. More work is needed for that one. Signed-off-by: Markus Armbruster <armbru@redhat.com> [Fix compilation without the spice devel packages. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-21contrib/ivshmem-server: Print "not for production" warningMarkus Armbruster1-0/+6
The code is okay for illustrating how things work and for testing, but its error handling make it unfit for production use. Print a warning to protect the innocent. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <1458066895-20632-41-git-send-email-armbru@redhat.com>
2016-03-18ivshmem-server: Don't overload POSIX shmem and file nameMarkus Armbruster3-51/+23
Option -m NAME is interpreted as directory name if we can statfs() it and its on hugetlbfs. Else it's interpreted as POSIX shared memory object name. This is nuts. Always interpret -m as directory. Create new -M for POSIX shared memory. Last of -m or -M wins. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1458066895-20632-4-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-03-18ivshmem-server: Fix and clean up command line helpMarkus Armbruster1-44/+42
Burying error messages in ~20 lines of usage help is bad form. Print a single line pointing to -h instead. Print -h help to stdout rather than stderr. Fix default of -p. Clean up the help text a bit. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <1458066895-20632-3-git-send-email-armbru@redhat.com>
2016-02-23all: Clean up includesPeter Maydell2-4/+0
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-02-04contrib: Clean up includesPeter Maydell4-2/+4
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1454089805-5470-15-git-send-email-peter.maydell@linaro.org
2016-01-13error: Consistently name Error * objects err, and not errpMarkus Armbruster1-4/+4
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1450452927-8346-25-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-01-13error: Use error_report_err() instead of ad hoc printsMarkus Armbruster1-3/+1
Unlike ad hoc prints, error_report_err() uses the error whole instead of just its message obtained with error_get_pretty(). This avoids suppressing its hint (see commit 50b7b00). Example: $ bld/ivshmem-server -l 42@ Parameter 'shm_size' expects a size You may use k, M, G or T suffixes for kilobytes, megabytes, gigabytes and terabytes. The last line is new with this patch. While there, drop a "cannot parse shm size: " message prefix; it's redundant, because the error message proper is always of the form "Parameter 'shm_size' expects ...". Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1450452927-8346-5-git-send-email-armbru@redhat.com>
2015-11-06ivshmem-server: fix possible OVERRUNGonglei1-1/+3
>>> CID 1337991: Memory - illegal accesses (OVERRUN) >>> Decrementing "i". The value of "i" is now 65534. 218 while (i--) { 219 event_notifier_cleanup(&peer->vectors[i]); 220 } Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-10-26ivshmem: use little-endian int64_t for the protocolMarc-André Lureau5-26/+29
The current ivshmem protocol uses 'long' for integers. But the sizeof(long) depends on the host and the endianess is not defined, which may cause portability troubles. Instead, switch to using little-endian int64_t. This breaks the protocol, except on x64 little-endian host where this change should be compatible. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
2015-10-24contrib: remove unnecessary strdup()Marc-André Lureau2-4/+4
getopt() optarg points to argv memory, no need to dup those values, fixes small leaks detected by clang-analyzer. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2015-10-24ivshmem: add check on protocol version in QEMUDavid Marchand4-3/+21
Send a protocol version as the first message from server, clients must close communication if they don't support this protocol version. Older QEMUs should be fine with this change in the protocol since they overrides their own vm_id on reception of an id associated to no eventfd. Signed-off-by: David Marchand <david.marchand@6wind.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> [use fifo_update_and_get()] Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
2015-10-24ivshmem-server: fix hugetlbfs supportMarc-André Lureau3-6/+54
As pointed out on the ML by Andrew Jones, glibc no longer permits creating POSIX shm on hugetlbfs directly. When given a hugetlbfs path, create a shareable file there. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2015-10-24ivshmem-server: use a uint16 for client IDMarc-André Lureau2-2/+11
In practice, the number of VM is limited to MAXUINT16 in ivshmem, so use the same limit on the server (removes a theorical infinite loop) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
2015-10-24ivshmem-client: check the number of vectorsMarc-André Lureau1-0/+5
Check the number of vectors received from the server, to avoid out of bound array access. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
2015-10-24contrib: add ivshmem client and serverDavid Marchand8-0/+1739
When using ivshmem devices, notifications between guests can be sent as interrupts using a ivshmem-server (typical use described in documentation). The client is provided as a debug tool. Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Signed-off-by: David Marchand <david.marchand@6wind.com> [fix a valgrind warning, option and server_close() segvs, extra server headers includes, getopt() return type, out-of-tree build, use qemu event_notifier instead of eventfd, fix x86/osx warnings - Marc-André] Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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