- 27 11月, 2012 1 次提交
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由 Peter Maydell 提交于
Pass qemu_sglist_init the global dma_context_memory rather than a NULL pointer; this fixes a segfault in dma_memory_map() when the guest starts using DMA. Reported-by: NAmadeusz Sławiński <amade@asmblr.net> Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Signed-off-by: NAlexander Graf <agraf@suse.de>
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- 23 10月, 2012 1 次提交
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由 Avi Kivity 提交于
target_phys_addr_t is unwieldly, violates the C standard (_t suffixes are reserved) and its purpose doesn't match the name (most target_phys_addr_t addresses are not target specific). Replace it with a finger-friendly, standards conformant hwaddr. Outstanding patchsets can be fixed up with the command git rebase -i --exec 'find -name "*.[ch]" | xargs s/target_phys_addr_t/hwaddr/g' origin Signed-off-by: NAvi Kivity <avi@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 05 10月, 2012 1 次提交
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由 Amos Kong 提交于
This patch cleans up return sentences in the end of void functions. Reported-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NAmos Kong <akong@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@gmail.com>
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- 28 6月, 2012 1 次提交
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由 David Gibson 提交于
dma-helpers.c contains a number of helper functions for doing scatter/gather DMA, and various block device related DMA. Currently, these directly access guest memory using cpu_physical_memory_*(), assuming no IOMMU translation. This patch updates this code to use the new universal DMA helper functions. qemu_sglist_init() now takes a DMAContext * to describe the DMA address space in which the scatter/gather will take place. We minimally update the callers qemu_sglist_init() to pass NULL (i.e. no translation, same as current behaviour). Some of those callers should pass something else in some cases to allow proper IOMMU translation in future, but that will be fixed in later patches. Cc: Kevin Wolf <kwolf@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 05 4月, 2012 1 次提交
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由 David Gibson 提交于
Currently dma_bdrv_io() takes a 'to_dev' boolean parameter to determine the direction of DMA it is emulating. We already have a DMADirection enum designed specifically to encode DMA directions. This patch uses it for dma_bdrv_io() as well. This involves removing the DMADirection definition from the #ifdef it was inside, but since that only existed to protect the definition of dma_addr_t from places where config.h is not included, there wasn't any reason for it to be there in the first place. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Reviewed-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com> Reviewed-by: NAndreas Färber <afaerber@suse.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 11 3月, 2012 1 次提交
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由 Stefan Weil 提交于
Most MemoryRegionOps already had the const attribute. This patch adds it to the remaining ones. Signed-off-by: NStefan Weil <sw@weilnetz.de> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 15 12月, 2011 2 次提交
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由 Paolo Bonzini 提交于
Initially attempted with the following semantic patch: @ rule1 @ expression E; statement S; @@ E = ( dma_bdrv_io | dma_bdrv_read | dma_bdrv_write ) (...); ( - if (E == NULL) { ... } | - if (E) { <... S ...> } ) which however did not match anything. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Paolo Bonzini 提交于
Initially done with the following semantic patch: @ rule1 @ expression E; statement S; @@ E = ( bdrv_aio_readv | bdrv_aio_writev | bdrv_aio_flush | bdrv_aio_discard | bdrv_aio_ioctl ) (...); ( - if (E == NULL) { ... } | - if (E) { <... S ...> } ) which however missed the occurrence in block/blkverify.c (as it should have done), and left behind some unused variables. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 05 12月, 2011 1 次提交
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由 Stefan Hajnoczi 提交于
Many places in QEMU call qemu_aio_flush() to complete all pending asynchronous I/O. Most of these places actually want to drain all block requests but there is no block layer API to do so. This patch introduces the bdrv_drain_all() API to wait for requests across all BlockDriverStates to complete. As a bonus we perform checks after qemu_aio_wait() to ensure that requests really have finished. Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 29 10月, 2011 1 次提交
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由 Paolo Bonzini 提交于
The definitions in ide/internal.h are duplicates, since ATAPI commands actually come from SCSI. Use the ones in scsi-defs.h and move the missing ones there. Two exceptions: - MODE_PAGE_WRITE_PARMS conflicts with the "flexible disk geometry" page in scsi-disk.c. It is unused, so pick the latter. - GPCMD_* is left in ide/internal.h, at least for now. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 19 9月, 2011 1 次提交
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由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 12 9月, 2011 1 次提交
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由 Markus Armbruster 提交于
Including it in device models is unclean, including it without a reason adds insult to injury. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 26 8月, 2011 1 次提交
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由 Christoph Hellwig 提交于
Decouple the I/O accounting from bdrv_aio_readv/writev/flush and make the hardware models call directly into the accounting helpers. This means: - we do not count internal requests from image formats in addition to guest originating I/O - we do not double count I/O ops if the device model handles it chunk wise - we only account I/O once it actuall is done - can extent I/O accounting to synchronous or coroutine I/O easily - implement I/O latency tracking easily (see the next patch) I've conveted the existing device model callers to the new model, device models that are using synchronous I/O and weren't accounted before haven't been updated yet. Also scsi hasn't been converted to the end-to-end accounting as I want to defer that after the pending scsi layer overhaul. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 21 8月, 2011 1 次提交
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由 Anthony Liguori 提交于
qemu_malloc/qemu_free no longer exist after this commit. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 08 8月, 2011 1 次提交
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由 Avi Kivity 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com> Signed-off-by: NAvi Kivity <avi@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 15 6月, 2011 2 次提交
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由 Christoph Hellwig 提交于
Add support for TRIM sub function of the data set management command, and wire it up to the qemu discard infrastructure. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Christoph Hellwig 提交于
Replace the is_read flag with a dma_cmd flag to allow the dma and restart logic to handler other commands like TRIM. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 16 4月, 2011 1 次提交
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由 Blue Swirl 提交于
Remove unused sysemu.h include directives to speed up build with the following patches. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 11 12月, 2010 1 次提交
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由 Alexander Graf 提交于
As stated before, devices can be little, big or native endian. The target endianness is not of their concern, so we need to push things down a level. This patch adds a parameter to cpu_register_io_memory that allows a device to choose its endianness. For now, all devices simply choose native endian, because that's the same behavior as before. Signed-off-by: NAlexander Graf <agraf@suse.de> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 06 7月, 2010 2 次提交
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由 Alex Williamson 提交于
When available, we'd like to be able to access the DeviceState when registering a savevm. For buses with a get_dev_path() function, this will allow us to create more unique savevm id strings. Signed-off-by: NAlex Williamson <alex.williamson@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Markus Armbruster 提交于
The two aren't independent variables. Make that obvious. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 04 6月, 2010 1 次提交
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由 Markus Armbruster 提交于
Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 30 3月, 2010 1 次提交
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由 Blue Swirl 提交于
Replace TARGET_PAGE_SIZE with 4096. Make byte swapping unconditional since PPC is big endian. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 07 11月, 2009 2 次提交
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由 Blue Swirl 提交于
Problem: x86 systems could not survive a few system_resets. Clear most of IDE state when reset. Implement the missing reset handlers. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Blue Swirl 提交于
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 28 10月, 2009 1 次提交
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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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- 02 10月, 2009 2 次提交
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由 Anthony Liguori 提交于
In the very least, a change like this requires discussion on the list. The naming convention is goofy and it causes a massive merge problem. Something like this _must_ be presented on the list first so people can provide input and cope with it. This reverts commit 99a0949b. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 malc 提交于
Some not so obvious bits, slirp and Xen were left alone for the time being. Signed-off-by: Nmalc <av1474@comtv.ru>
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- 04 9月, 2009 2 次提交
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由 Gerd Hoffmann 提交于
These variables are per bus, not per drive. Lets move them and cleanup things a bit. And fix the cmd migration bug for real. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 29 8月, 2009 1 次提交
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由 Blue Swirl 提交于
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 28 8月, 2009 2 次提交
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由 Gerd Hoffmann 提交于
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
create ide-macio.c and place macio support there. only build ide-macio support for platforms using it. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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