Commit Graph

21789 Commits

Author SHA1 Message Date
Igor Mitsyanko ca54dc1e75 arch_init.c: add missing '%' symbols before PRIu64 in debug printfs
'%' symbols were missing in front of PRIu64 macros in DPRINTF() messages in
arch_init.c, this caused compilation warnings when compiled with DEBUG_ARCH_INIT defined.

Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
(cherry picked from commit ef37a699a0)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Stefan Weil a78cedc09e kvm: Fix warning from static code analysis
Report from smatch:

kvm-all.c:1373 kvm_init(135) warn:
 variable dereferenced before check 's' (see line 1360)

's' cannot by NULL (it was alloced using g_malloc0), so there is no need
to check it here.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
(cherry picked from commit 6d1cc3210c)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Lei Li 59a01f73c3 qapi: Fix enumeration typo error
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
(cherry picked from commit 6932a69b20)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
BALATON Zoltan c6553fee81 console: Clean up bytes per pixel calculation
Division with round up is the correct way to compute this even if the
only case where division with round down gives incorrect result is
probably 15 bpp. This case was explicitely patched up in one of these
functions but was unhandled in the other. (I'm not sure about setting
16 bpp for the 15bpp case either but I left that there for now.)

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
(cherry picked from commit feadf1a4de)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Stefan Weil a0d718a395 Spelling fixes in comments and documentation
These wrong spellings were detected by codespell:

* successully -> successfully

* alot -> a lot

* wanna -> want to

* infomation -> information

* occured -> occurred

["also is" -> "is also" and "ressources" -> "resources" suggested by
Peter Maydell <peter.maydell@linaro.org>]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
(cherry picked from commit 0546b8c2f0)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Stefan Weil 34173da021 srp: Don't use QEMU_PACKED for single elements of a structured type
QEMU_PACKED results in a MinGW compiler warning when it is
used for single structure elements:

warning: 'gcc_struct' attribute ignored

Using QEMU_PACKED for the whole structure avoids the compiler warning
without changing the memory layout.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
(cherry picked from commit 93d3ad2a80)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hervé Poussineau c23314334d slirp: Implement TFTP Blocksize option
This option is described in RFC 1783. As this is only an optional field,
we may ignore it in some situations and handle it in some others.

However, MS Windows 2003 PXE boot client requests a block size of the MTU
(most of the times 1472 bytes), and doesn't work if the option is not
acknowledged (with whatever value).

According to the RFC 1783, we cannot acknowledge the option with a bigger
value than the requested one.

As current implementation is using 512 bytes by block, accept the option
with a value of 512 if the option was specified, and don't acknowledge it
if it is not present or less than 512 bytes.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit 95b1ad7ad8)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hervé Poussineau b83f395ba1 slirp: Handle more than 65535 blocks in TFTP transfers
RFC 1350 does not mention block count roll-over. However, a lot of TFTP servers
implement it to be able to transmit big files, so do it also.

Current block size is 512 bytes, so TFTP files were limited to 32 MB.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit 4aa401f39e)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hervé Poussineau 34f7e690c3 slirp: improve TFTP performance
When transferring a file, keep it open during the whole transfer,
instead of opening/closing it for each block.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit 78be056628)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Stefan Weil 6116adbc0e slirp: Fix error reported by static code analysis
Report from smatch:

slirp/tcp_subr.c:127 tcp_respond(17) error:
 we previously assumed 'tp' could be null (see line 124)

Return if 'tp' is NULL.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit e56afbc54a)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Stefan Weil 3ed791b42d slirp: Remove wrong type casts ins debug statements
The type casts of pointers to long are not allowed
when sizeof(pointer) != sizeof(long).

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit c4d12a743c)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hans de Goede 2ee160f8e1 uhci: Don't queue up packets after one with the SPD flag set
Don't queue up packets after a packet with the SPD (short packet detect)
flag set. Since we won't know if the packet will actually be short until it
has completed, and if it is short we should stop the queue.

This fixes a miniature photoframe emulating a USB cdrom with the windows
software for it not working.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 72a04d0c17)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hans de Goede 981e213cf7 usb-redir: Revert usb-redir part of commit 93bfef4c
Commit 93bfef4c6e makes qemu-devices
which report the qemu version string to the guest in some way use a
qemu_get_version function which reports a machine-specific version string.

However usb-redir does not expose the qemu version to the guest, only to
the usbredir-host as part of the initial handshake. This can then be logged
on the usbredir-host side for debugging purposes and is otherwise completely
unused! For debugging purposes it is important to have the real qemu version
in there, rather then the machine-specific version.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 35efba2cc6)

Conflicts:

	hw/usb/redirect.c

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hans de Goede d56d7e6ef8 ehci: Walk async schedule before and after migration
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ceab6f9645)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Hans de Goede ad2cea3878 ehci: Don't set seen to 0 when removing unseen queue-heads
When removing unseen queue-heads from the async queue list, we should not
set the seen flag to 0, as this may cause them to be removed by
ehci_queues_rip_unused() during the next call to ehci_advance_async_state()
if the timer is late or running at a low frequency.

Note:
1) This *may* have caused the instant unlink / relinks described in commit
   9bc3a3a216

2) Rather then putting more if-s inside ehci_queues_rip_unused, this patch
   instead introduces a new ehci_queues_rip_unseen function.

3) This patch also makes it save to call ehci_queues_rip_unseen() multiple
   times, which gets used in the folluw up patch titled:
   "ehci: Walk async schedule before and after migration"

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 8f5457eb04)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:17 -05:00
Aurelien Jarno d28ed2ffbb configure: usbredir fixes
usbredir is only used by system emulation, so add the libraries to
libs_softmmu instead of LIBS.

Cc: Michael Tokarev <mjt@tls.msk.ru>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 56ab2ad177)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Alon Levy bffb221775 hw/qxl: tracing fixes
Add two new trace events:
qxl_send_events(int qid, uint32_t events) "%d %d"
qxl_set_guest_bug(int qid) "%d"

Change qxl_io_unexpected_vga_mode parameters to be equivalent to those
of qxl_io_write for easier grouping under a single systemtap probe.

Change d to qxl in one place.

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 917ae08ca1)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Dunrong Huang 9cf4af689b block: Don't forget to delete temporary file
The caller would not delete temporary file after failed get_tmp_filename().

Signed-off-by: Dunrong Huang <riegamaths@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit fe235a06e1)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Daniel P. Berrange f9f552e80b Don't require encryption password for 'qemu-img info' command
The encryption password is only required if I/O is going to be
performed on a disk image. The 'qemu-img info' command merely
reports metadata, so it should not ask for a decryption password

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit f0536bb848)

Conflicts:

	qemu-img.c

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Jason Baron 7cf7e305cc ahci: properly reset PxCMD on HBA reset
While testing q35, I found that windows 7 (specifically, windows 7 ultimate
with sp1 x64), wouldn't install because it can't find the cdrom or disk drive.
The failure message is: 'A required cd/dvd device driver is missing. If you
have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.'
This can also be reproduced on piix by adding an ahci controller, and
observing that windows 7 does not see any devices behind it.

The problem is that when windows issues a HBA reset, qemu does not reset the
individual ports' PxCMD register. Windows 7 then reads back the PxCMD register
and presumably assumes that the ahci controller has already been initialized.
Windows then never sets up the PxIE register to enable interrupts, and thus it
never gets irqs back when it sends ata device inquiry commands.

This change brings qemu into ahci 1.3 specification compliance.

Section 10.4.3 HBA Reset:

"
When GHC.HR is set to '1', GHC.AE, GHC.IE, the IS register, and all port
register fields (except PxFB/PxFBU/PxCLB/PxCLBU) that are not HwInit in the
HBA's register memory space are reset.
"

I've also re-tested Fedora 16 and 17 to verify that they continue to work with
this change.

Signed-off-by: Jason Baron <jbaron@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 2a4f4f34e6)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Pavel Hrdina 84a2ca9f90 block: fix block tray status
The tray status should change also if you eject empty block device.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 9ca111544c)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Stefan Weil 1c224f0ab3 vdi: Fix warning from clang
ccc-analyzer reports these warnings:

block/vdi.c:704:13: warning: Dereference of null pointer
            bmap[i] = VDI_UNALLOCATED;
            ^
block/vdi.c:702:13: warning: Dereference of null pointer
            bmap[i] = i;
            ^

Moving some code into the if block fixes this.
It also avoids calling function write with 0 bytes of data.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 514f21a5d4)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Stefan Weil 1e32a1651a block/curl: Fix wrong free statement
Report from smatch:
block/curl.c:546 curl_close(21) info: redundant null check on s->url calling free()

The check was redundant, and free was also wrong because the memory
was allocated using g_strdup.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 45724d6d02)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Stefan Weil 3900d1d992 ide: Fix error messages from static code analysis (no real error)
Report from smatch:
hw/ide/core.c:1472 ide_exec_cmd(423) error: buffer overflow 'smart_attributes' 8 <= 29
hw/ide/core.c:1474 ide_exec_cmd(425) error: buffer overflow 'smart_attributes' 8 <= 29
hw/ide/core.c:1475 ide_exec_cmd(426) error: buffer overflow 'smart_attributes' 8 <= 29
...

The upper limit of 30 was never reached because both for loops terminated
when 'smart_attributes' reached end of list, so there was no real buffer
overflow.

Nevertheless, changing the code not only fixes the error report, but also
reduces the size of smart_attributes and simplifies the for loops.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 1e53537fda)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
MORITA Kazutaka 1fce4135f3 sheepdog: fix savevm and loadvm
This patch sets data to be sent to Sheepdog correctly and fixes savevm
and loadvm operations on a Sheepdog image.

Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 1f7a48de44)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Hans de Goede 349b4e9070 ehci: Don't process too much frames in 1 timer tick (v2)
The Linux ehci isoc scheduling code fills the entire schedule ahead of
time minus 80 frames. If we make a large jump in where we are in the
schedule, ie 40 frames, then the scheduler all of a sudden will only have
40 frames left to work in, causing it to fail packet submissions
with error -27 (-EFBIG).

Changes in v2:
-Don't hardcode a maximum number of frames to process in one tick, instead:
 -Process a minimum number of frames to ensure we do eventually catch up
 -Stop (after the minimum number) when the guest has requested an irq

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 8f74ed1e43)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Hans de Goede 29ecaa26a8 ehci: Fix interrupts stopping when Interrupt Threshold Control is 8
If Interrupt Threshold Control is 8 or a multiple of 8, then
s->usbsts_frindex can become exactly 0x4000, at which point
(s->usbsts_frindex > s->frindex) will never become true, as
s->usbsts_frindex will not be lowered / reset in this case.

This patch fixes this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ffa1f2e088)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Gerd Hoffmann 1f97f6c9fe ehci: switch to new-style memory ops
Also register different memory regions for capabilities,
operational registers and port status registers.  Create
separate tracepoints for operational regs and port status
regs.  Ditch a bunch of sanity checks because the memory
core will do this for us now.

Offloading the byte, word and dword access handling to the
memory core also has the side effect of fixing ehci register
access on bigendian hosts.

Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 3e4f910c8d)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:16 -05:00
Uri Lublin 9a5a94de58 qxl: better cleanup for surface destroy
Add back a call to qxl_spice_destroy_surface_wait_complete() in qxl_spice_destroy_surface_wait(),
that was removed by commit c480bb7da4

It is needed to complete surface-removal cleanup, for non async.
For async, qxl_spice_destroy_surface_wait_complete is called upon operation completion.

Signed-off-by: Uri Lublin <uril@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 753b8b0d77)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 462ff6fda1 usb-host: allow emulated (non-async) control requests without USBPacket
xhci needs this for USB_REQ_SET_ADDRESS due to the way
usb addressing is handled by the xhci hardware.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 63587e3135)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Dunrong Huang b26859ab18 qxl: dont update invalid area
This patch fixes the following error:

$ ~/usr/bin/qemu-system-x86_64 -enable-kvm -m 1024 -spice port=5900,disable-ticketing -vga qxl -cdrom ~/Images/linuxmint-13-mate-dvd-32bit.iso
(/home/mathslinux/usr/bin/qemu-system-x86_64:10068): SpiceWorker-CRITICAL **: red_worker.c:4599:red_update_area: condition `area->left >= 0 && area->top >= 0 && area->left < area->right && area->top < area->bottom' failed
Aborted

spice server terminates QEMU process if we pass invalid area to it,
so dont update those invalid areas.

Signed-off-by: Dunrong Huang <riegamaths@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ccc2960d65)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 03c0342cb8 xhci: allow bytewise capability register reads
Some guests need this according to
Alejandro Martinez Ruiz <alex@securiforest.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 6ee021d410)

Conflicts:

	hw/usb/hcd-xhci.c

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 23ba9d4838 xhci: fix runtime write tracepoint
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 8e9f18b6db)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 640bda8df5 xhci: drop buffering
This patch splits the xhci_xfer_data function into three.
The xhci_xfer_data function used to do does two things:

  (1) copy transfer data between guest memory and a temporary buffer.
  (2) report transfer results to the guest using events.

Now we three functions to handle this:

  (1) xhci_xfer_map creates a scatter list for the transfer and
      uses that (instead of the temporary buffer) to build a
      USBPacket.
  (2) xhci_xfer_unmap undoes the mapping.
  (3) xhci_xfer_report sends out events.

The patch also fixes reporting of transaction errors which must be
reported unconditinally, not only in case the guest asks for it
using the ISP flag.

[ v2: fix warning ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit d5a15814b4)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 64022e9d58 xhci: rip out background transfer code
original xhci code (the one which used libusb directly) used to use
'background transfers' for iso streams.  In upstream qemu the iso
stream buffering is handled by usb-host & usb-redir, so we will
never ever need this.  It has been left in as reference, but is dead
code anyway.  Rip it out.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 331e9406f1)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Gerd Hoffmann 3e3750e10a usb-audio: fix usb version
usb-audio is a full speed (1.1) device,
but bcdUSB claims it is usb 2.0.  Fix it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 2bbd086c41)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Samuel Thibault fbcb89ddc9 Better name usb braille device
Windows users need to know that they have to use the Baum driver to make
the qemu braille device work.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 2964cd9bfa)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Hans de Goede 22ba7a7488 usb-redir: Return babble when getting more bulk data then requested
Babble is the appropriate error in this case (rather then signalling a stall).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 2979a36183)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Hans de Goede 636071de92 usb-redir: Move to core packet id and queue handling
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit de550a6afb)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Hans de Goede 55a2f465b9 usb-redir: Get rid of unused async-struct dev member
This is a preparation patch for completely getting rid of the async-packet
struct in usb-redir, instead relying on the (new) per ep queues in the
qemu usb core.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 206e7f20fe)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Hans de Goede aa57b628e0 usb-redir: Get rid of local shadow copy of packet headers
The shadow copy only serves as an extra check (besides the packet-id) to
ensure the packet we get back is a reply to the packet we think it is.

This check has never triggered in all the time usb-redir is in use now,
and since the verified data in the returned packet-header is not used
otherwise, removing the check does not open any possibilities for the
usbredirhost to confuse us.

This is a preparation patch for completely getting rid of the async-packet
struct in usb-redir, instead relying on the (new) per ep queues in the
qemu usb core.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 104981d52b)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:15 -05:00
Hans de Goede 57eae744d4 usb-redir: Get rid of async-struct get member
This is a preparation patch for completely getting rid of the async-packet
struct in usb-redir, instead relying on the (new) per ep queues in the
qemu usb core.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit cb897117cd)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede 14ecfb09fa usb-redir: Don't delay handling of open events to a bottom half
There is no need for this, and doing so means that a backend trying to
write immediately after an open event will see qemu_chr_be_can_write
returning 0, which not all backends handle well as there is no wakeup
mechanism to detect when the frontend does become writable.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ed9873bfbf)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede 1d5ba9a6a8 usb-redir: Never return USB_RET_NAK for async handled packets
USB_RET_NAK is not a valid response for async handled packets (and will
trigger an assert as such).

Also drop the warning when receiving a status of cancelled for packets not
cancelled by qemu itself, this can happen when a device gets unredirected
by the usbredir-host while transfers are pending.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 181133404f)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede 77c3d59256 ehci: Correct a comment in fetchqtd packet processing
Since my previous comment said "Should never happen", I tried changing the
next line to an assert(0), which did not go well, which as the new comments
explains is logical if you think about it for a moment.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit cf1f81691d)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede e2ab86fe2d ehci: Handle USB_RET_PROCERR in ehci_fill_queue
USB_RET_PROCERR can be triggered by the guest (by for example requesting more
then BUFFSIZE bytes), so don't assert on it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit eff6dce79b)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede 2f7ba4731b ehci: Fix memory leak in handling of NAK-ed packets
Currently each time we try to execute a NAK-ed packet we redo
ehci_init_transfer, and usb_packet_map, re-allocing (without freeing) the
sg list every time.

This patch fixes this, it does this by introducing another async state, so
that we also properly cleanup a NAK-ed packet on cancel.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ef5b234477)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Hans de Goede 0154d330c7 ehci: Add some additional ehci_trace_guest_bug() calls
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 3a8ca08e01)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Gerd Hoffmann d294ad6323 ehci: add doorbell trace events
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 1defcbd1e8)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00
Gerd Hoffmann 62fc5e6983 ehci: trace guest bugs
make qemu_queue_{cancel,reset} return the number of packets released,
so the caller can figure whenever there have been active packets even
though there shouldn't have been any.  Add tracepoint to log this.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 5c514681ab)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-10-11 21:44:14 -05:00