| Commit message (Collapse) | Author | Age | Files | Lines |
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Avoid cpu->cpu by using "mpu" as variable name.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
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Avoid cpu->cpu by using "mpu" as variable name.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
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Avoid cpu->cpu by using "mpu" as variable name.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
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omap_mpu_state_s::env was renamed to cpu while changing its type.
With n800_s::cpu of type omap_mpu_state_s* this leads to s->cpu->cpu.
Rename the field to "mpu" to avoid this ugliness.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
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* afaerber-or/qom-next-1:
target-i386: Use uint32 visitor for [x]level properties
qdev: Remove PropertyInfo range checking
qdev: Switch property accessors to fixed-width visitor interfaces
qdev: Use int32_t container for devfn property
qapi: Add String visitor coverage to serialization unit tests
qapi: String visitor, use %f representation for floats
qapi: Unit tests for visitor-based serialization
qapi: Add Visitor interfaces for uint*_t and int*_t
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This simplifies the code and resolves TODOs.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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Range checking in PropertyInfo is now used only for pci_devfn
properties and some error reporting. Remove all code that implements
it in the various property types, and the now unused fields.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Fix blocksize min/max for 32-bit hosts by using const int64_t.]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This introduces {get,set}_uint{8,16,32,64}() functions for the
respective qdev types.
TADDR and VLAN are switched to explicit int64, BLOCKSIZE to uint16.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Valid range for devfn is -1 to 255 (-1 for automatic assignment). We do
not currently validate this due to devfn being stored as a uint32_t.
This can lead to segfaults and other strange behavior.
We could technically just cast it to int32_t to implement the checking,
but this will not work for visitor-based setting where we may do additional
bounds-checking based on target container type, which is int32_t for this
case.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Currently string-output-visitor formats floats as %g, which is nice in
that trailing 0's are automatically truncated, but otherwise this causes
some issues:
- it uses 6 significant figures instead of 6 decimal places, which
means something like 155777.5 (which even has an exact floating point
representation) will be rounded to 155778 when converted to a string.
- output will be presented in scientific notation when the normalized
form requires a 10^x multiplier. Not a huge deal, but arguably less
readable for command-line arguments.
- due to using scientific notation for numbers requiring more than 6
significant figures, instead of hard-defined decimal places, it
fails a lot of the test-visitor-serialization unit tests for floats.
Instead, let's just use %f, which is what the QJSON and the QMP visitors
use.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Currently we test our visitors individually, and seperately for input
vs. output. This is useful for validating internal representations
against the native C types and vice-versa, and other visitor-specific
testing, but it doesn't cover the potential use-case of using visitor
pairs for serialization/deserialization very well, and makes it
hard to easily extend the coverage for different C types / boundary
conditions.
To cover that we add a set of unit tests that takes a number of native C
values, passes them into an output visitor, extracts the values with an
input visitor, then compares the result to the original.
Plugging in new visitors to the test harness only requires a user to
implement the SerializeOps interface and add it to a list.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This adds visitor interfaces for fixed-width integers types.
Implementing these in visitors is optional, otherwise we fall back to
visit_type_int() (int64_t) with some additional bounds checking to avoid
integer overflows for cases where the value fetched exceeds the bounds
of our target C type.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[LE: exclude negative values in uint*_t Visitor interfaces]
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
[AF: Merged fix by Laszlo]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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* stefanha/trivial-patches:
configure: report missing libraries for virtfs
trace/simple.c: fix deprecated glib2 interface
Clarify comments of tb_invalidate_phys_[page_]range
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Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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They could suggest that all TBs of the page containing the range would
be invalidated.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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* kraxel/usb.52: (37 commits)
ehci: rework frame skipping
ehci: adaptive wakeup rate.
ehci: create ehci_update_frindex
ehci: remove unused attach_poll_counter
ehci: fix halt status handling
ehci: update status bits in ehci_set_state
ehci: add ehci_*_enabled() helpers
ehci: fix reset
ehci: kick async schedule on wakeup
ehci: schedule async bh on async packet completion
ehci: move async schedule to bottom half
ehci: add async field to EHCIQueue
ehci: tweak queue initialization
ehci: add queuing support
ehci: move ehci_flush_qh
ehci: cache USBDevice in EHCIQueue
ehci: make ehci_execute work on EHCIPacket instead of EHCIQueue
ehci: add EHCIPacket
xhci: trace: slots
xhci: trace: transfers
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Move the framecount check out of the loop and use the new
ehci_update_frindex function to skip frames if needed.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Adapt the frame timer sleeps according to the actual needs. With the
periodic schedule being active we'll have to wakeup 1000 times per
second and go check for work. In case only the async schedule is active
we can be more lazy though. When idle ehci will increate the sleep time
step by step, so qemu has to wake up less frequently. When we'll see
transactions on the bus or the guest fiddles with the schedule
enable/disable bits we'll return to a 1000 Hz wakeup rate and full
speed. With both schedules disabled we stop wakeups altogether.
This patch also drops the freq property (configures wakeup rate
manually) which is obsoleted by this patch.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Factor out code from ehci_frame_timer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When the enable bits for controller / async schedule / periodic schedule
change just make sure we kick the frame timer and let
ehci_advance_periodic_state and ehci_advance_async_state handle the
controller state changes.
This will make ehci set USBSTS_HALT when the controller shutdown is
actually done, once both schedules are in inactive state and the
USBSTS_PSS and USBSTS_ASS bits are clear.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Update the status register in the ehci_set_state function, to make sure
the guest-visible register is in sync with our internal schedule state.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add helper functions to query whenever the async / periodic schedule
is enabled or not. Put them into use too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Check for the reset bit first when processing USBCMD register writes.
Also break out of the switch, there is no need to check the other bits.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Kick async schedule when we get a wakeup
notification from a usb device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When a packet completes which happens to be part of the async schedule
kick the async bottom half for processing,
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This way we can kick the async schedule independant from the
periodic frame timer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Keep track whenever a EHCIQueue is part of the async or periodic
schedule. This way we don't have to pass around the async flag
everywhere but can look it up from the EHCIQueue struct when needed.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Little tweak for the queue initialization, set the QH address in the
allocation function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add packet queuing. Follow the qTD chain to see if there are more
packets we can submit. Improves performance on larger transfers,
especially with usb-host, as we don't have to wait for a packet to
finish before sending the next one to the host for processing.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Move ehci_flush_qh() function up in the source code.
No code change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Keep a USBDevice pointer in EHCIQueue so we don't have to lookup the
device on each usb packet submission.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This way it is possible to use ehci_execute to submit others than the
first EHCIPacket of the EHCIQueue.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add a separate EHCIPacket struct and move fields over from EHCIQueue.
Preparing for supporting multiple packets per queue being in flight at
the same time. No functional changes yet.
Fix some codestyle issues along the way.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Properly register reset function via the device class.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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With all scsi migration support bits in place the
final step is pretty simple ;)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Repace the running buffer pointer (scsi_buf) with a buffer offset
field (scsi_off). The later is alot easier to live-migrate.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Factor out packet completion to a separate function which
cares to get the MSDState->packet update right.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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We have the field twice, once in MSDState directly and one in the status
word struct. Drop one.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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usb-storage can't handle requests in one go as the data transfer can be
splitted into lots of usb packets. Because of that there can be
normal in-flight requests at savevm time and we need to handle that.
With other scsi hba's this happens only in case i/o is stopped due to
errors and there are pending requests which need to be restarted
(req->retry = true).
So, first we need to save req->retry and then handle the req->retry =
false case. Write requests are handled fine already. For read requests
we have to save the buffer as we will not restart the request (and thus
not refill the buffer) on the target host.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The multifunction ich9 ehci controller with uhci companions uses a
different interrupt pin for each function. The three uhci devices
get pins A, B and C, whereas ehci uses pin D. This way the guest
can assign different IRQ lines to each controller.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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