Commit Graph

44955 Commits

Author SHA1 Message Date
Peter Maydell
7cd592bc65 VFIO updates 2016-03-28
- Use 128bit math to avoid asserts with IOMMU regions (Bandan Das)
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Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20160328.0' into staging

VFIO updates 2016-03-28

 - Use 128bit math to avoid asserts with IOMMU regions (Bandan Das)

# gpg: Signature made Mon 28 Mar 2016 23:16:52 BST using RSA key ID 3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"

* remotes/awilliam/tags/vfio-update-20160328.0:
  vfio: convert to 128 bit arithmetic calculations when adding mem regions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-29 17:39:41 +01:00
Bandan Das
55efcc537d vfio: convert to 128 bit arithmetic calculations when adding mem regions
vfio_listener_region_add for a iommu mr results in
an overflow assert since iommu memory region is initialized
with UINT64_MAX. Convert calculations to 128 bit arithmetic
for iommu memory regions and let int128_get64 assert for non iommu
regions if there's an overflow.

Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
[missed (end - 1) on 2nd trace call, move llsize closer to use]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-03-28 13:27:49 -06:00
Peter Maydell
84a5a80148 * 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
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* 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
2016-03-24 21:42:40 +00:00
Peter Maydell
b68a80139e Support for booting from virtio-scsi devices in the s390-ccw bios.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20160324' into staging

Support for booting from virtio-scsi devices in the s390-ccw bios.

# gpg: Signature made Thu 24 Mar 2016 08:14:21 GMT using RSA key ID C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"

* remotes/cohuck/tags/s390x-20160324:
  s390-ccw.img: rebuild image
  pc-bios/s390-ccw: disambiguation of "No zIPL magic" message
  pc-bios/s390-ccw: enhance bootmap detection
  pc-bios/s390-ccw: enable virtio-scsi
  pc-bios/s390-ccw: add virtio-scsi implementation
  pc-bios/s390-ccw: add scsi definitions
  pc-bios/s390-ccw: add simplified virtio call
  pc-bios/s390-ccw: make provisions for different backends
  pc-bios/s390-ccw: add vdev object to store all device details
  pc-bios/s390-ccw: update virtio implementation to allow up to 3 vrings
  pc-bios/s390-ccw: qemuize types
  pc-bios/s390-ccw: add utility functions and "export" some others
  pc-bios/s390-ccw: virtio_panic -> panic
  pc-bios/s390-ccw: add more disk layout checks

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 16:24:02 +00:00
Peter Maydell
f18f2e7cfc input-linux + spice fixes
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20160324-1' into staging

input-linux + spice fixes

# gpg: Signature made Thu 24 Mar 2016 07:54:45 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-ui-20160324-1:
  spice: Disallow use of gl + TCP port
  input-linux: fix Coverity warning
  input-linux: switch over to -object

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 16:00:14 +00:00
Peter Maydell
490dda053e ppc patch queue for 2016-03-24
Accumulated patches for target-ppc, pseries machine type and related
 devices.
 
 * Preliminary patches from BenH & Cédric Le Goater's powernv code
     * We don't want the full machine type before 2.7
     * Adding some of the SPRs also fixes migration corner cases for
       spapr (when qemu has no knowledge of the registers, they're
       obviously not migrated)
     * We include some patches that aren't strictly fixes, but make
       applying the others easier, and they're low risk
 * Fix to buffer management which significantly improves throughput in
   the spapr-llan virtual network device
 * Start with 64-bit mode enabled on spapr.  This is the way it's
   supposed to be but we broke it a while back and didn't notice
   because Linux guests cope anyway.
     * Picked up by kvm-unit-tests
     * Still some bugs here that I'm working on
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.6-20160324' into staging

ppc patch queue for 2016-03-24

Accumulated patches for target-ppc, pseries machine type and related
devices.

* Preliminary patches from BenH & Cédric Le Goater's powernv code
    * We don't want the full machine type before 2.7
    * Adding some of the SPRs also fixes migration corner cases for
      spapr (when qemu has no knowledge of the registers, they're
      obviously not migrated)
    * We include some patches that aren't strictly fixes, but make
      applying the others easier, and they're low risk
* Fix to buffer management which significantly improves throughput in
  the spapr-llan virtual network device
* Start with 64-bit mode enabled on spapr.  This is the way it's
  supposed to be but we broke it a while back and didn't notice
  because Linux guests cope anyway.
    * Picked up by kvm-unit-tests
    * Still some bugs here that I'm working on

# gpg: Signature made Thu 24 Mar 2016 04:29:42 GMT using RSA key ID 20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.6-20160324:
  ppc: move POWER8 Book4 regs in their own routine
  hw/net/spapr_llan: Enable the RX buffer pools by default for new machines
  hw/net/spapr_llan: Fix receive buffer handling for better performance
  hw/net/spapr_llan: Extract rx buffer code into separate functions
  ppc: A couple more dummy POWER8 Book4 regs
  ppc: Add dummy CIABR SPR
  ppc: Add POWER8 IAMR register
  ppc: Fix writing to AMR/UAMOR
  ppc: Initialize AMOR in PAPR mode
  ppc: Add dummy SPR_IC for POWER8
  ppc: Create cpu_ppc_set_papr() helper
  ppc: Add a bunch of hypervisor SPRs to Book3s
  ppc: Add macros to register hypervisor mode SPRs
  ppc: Update SPR definitions
  spapr/target-ppc/kvm: Only add hcall-instructions if KVM supports it
  ppc64: set MSR_SF bit

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 15:22:39 +00:00
Peter Maydell
1080534481 MIPS patches 2016-03-23
Changes:
 * add mips-softmmu-common.mak
 * indicate presence of IEEE 754-2008 FPU in MIPS64R6-generic and P5600
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Merge remote-tracking branch 'remotes/lalrae/tags/mips-20160323' into staging

MIPS patches 2016-03-23

Changes:
* add mips-softmmu-common.mak
* indicate presence of IEEE 754-2008 FPU in MIPS64R6-generic and P5600

# gpg: Signature made Wed 23 Mar 2016 16:38:04 GMT using RSA key ID 0B29DA6B
# gpg: Good signature from "Leon Alrae <leon.alrae@imgtec.com>"

* remotes/lalrae/tags/mips-20160323:
  default-configs: add mips-softmmu-common.mak
  target-mips: indicate presence of IEEE 754-2008 FPU in R6/R5+MSA CPUs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 14:30:20 +00:00
Peter Maydell
4f57a35d81 cocoa queue:
* update cocoa UI front end to use QKeyCodes
  * fix the help menu documentation links to actually work
    (with both an installed and an uninstalled QEMU)
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-cocoa-20160323-1' into staging

cocoa queue:
 * update cocoa UI front end to use QKeyCodes
 * fix the help menu documentation links to actually work
   (with both an installed and an uninstalled QEMU)

# gpg: Signature made Wed 23 Mar 2016 14:31:01 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"

* remotes/pmaydell/tags/pull-cocoa-20160323-1:
  ui/cocoa.m: switch to QKeyCode
  qapi-schema.json: Add power and keypad equal keys
  ui/cocoa.m: fix help menus

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 13:43:30 +00:00
Paolo Bonzini
0f70ed4759 target-i386: implement PKE for TCG
Tested with kvm-unit-tests.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-24 14:01:08 +01:00
Dr. David Alan Gilbert
cf7cc9291b config.status: Pass extra parameters
This allows you to do:
  ./config.status --the-option-you-forgot

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1452599928-7471-1-git-send-email-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-24 14:01:08 +01:00
Peter Maydell
a2ecc80db5 TriCore FPU + bugfixes
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Merge remote-tracking branch 'remotes/bkoppelmann/tags/pull-tricore-20160323' into staging

TriCore FPU + bugfixes

# gpg: Signature made Wed 23 Mar 2016 08:26:03 GMT using RSA key ID 6B69CA14
# gpg: Good signature from "Bastian Koppelmann <kbastian@mail.uni-paderborn.de>"

* remotes/bkoppelmann/tags/pull-tricore-20160323:
  target-tricore: Add ftoi and itof instructions
  target-tricore: Add cmp.f instruction
  target-tricore: Add div.f instruction
  target-tricore: Add mul.f instruction
  target-tricore: add add.f/sub.f instructions
  target-tricore: Move general CHECK_REG_PAIR of decode_rrr_divide
  target-tricore: Add FPU infrastructure
  target-tricore: Fix psw_read() clearing too many bits
  target-tricore: Fix helper_msub64_q_ssov not reseting OVF bit
  target-tricore: add missing break in insn decode switch stmt

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-24 12:36:39 +00:00
Christophe Fergeau
569a93cbbe spice: Disallow use of gl + TCP port
Currently, virgl support has to go through a local unix socket, trying
to connect to a VM using -spice gl through spice://localhost:5900 will
only result in a black screen.
This commit errors out when the user tries to start a VM with both GL
support and a port/tls-port set.
This would fit better in spice-server, but currently QEMU does not call
into spice-server when parsing 'gl' on its command line, so we have to
do this check in QEMU instead.

Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1457955672-28758-1-git-send-email-cfergeau@redhat.com

[ applied codestyle fix: break long line ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-03-24 08:04:01 +01:00
Gerd Hoffmann
81b00c968a input-linux: fix Coverity warning
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1458129049-12484-1-git-send-email-kraxel@redhat.com
2016-03-24 07:58:20 +01:00
Gerd Hoffmann
0e066b2cc5 input-linux: switch over to -object
This patches makes input-linux use -object instead of a new command line
switch.  So, instead of the switch ...

    -input-linux /dev/input/event$nr

... you must create an object this way:

    -object input-linux,id=$name,evdev=/dev/input/event$nr

Bonus is that you can hot-add and hot-remove them via monitor now.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1457681901-30916-1-git-send-email-kraxel@redhat.com
2016-03-24 07:58:20 +01:00
Cédric Le Goater
9d0e5c8ceb ppc: move POWER8 Book4 regs in their own routine
commit fce55481360d "ppc: A couple more dummy POWER8 Book4 regs"
squashed in to rapidly a set of POWER8 Book4 regs in the wrong
routine. This patch introduces the missing gen_spr_power8_book4()
routine to fix their location.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Thomas Huth
57c522f47b hw/net/spapr_llan: Enable the RX buffer pools by default for new machines
RX buffer pools are now enabled by default for new machine types.
For older machine types, they are still disabled to avoid breaking
migration.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Thomas Huth
831e882253 hw/net/spapr_llan: Fix receive buffer handling for better performance
tl;dr:
This patch introduces an alternate way of handling the receive
buffers of the spapr-vlan device, resulting in much better
receive performance for the guest.

Full story:
One of our testers recently discovered that the performance of the
spapr-vlan device is very poor compared to other NICs, and that
a simple "ping -i 0.2 -s 65507 someip" in the guest can result
in more than 50% lost ping packets (especially with older guest
kernels < 3.17).

After doing some analysis, it was clear that there is a problem
with the way we handle the receive buffers in spapr_llan.c: The
ibmveth driver of the guest Linux kernel tries to add a lot of
buffers into several buffer pools (with 512, 2048 and 65536 byte
sizes by default, but it can be changed via the entries in the
/sys/devices/vio/1000/pool* directories of the guest). However,
the spapr-vlan device of QEMU only tries to squeeze all receive
buffer descriptors into one single page which has been supplied
by the guest during the H_REGISTER_LOGICAL_LAN call, without
taking care of different buffer sizes. This has two bad effects:
First, only a very limited number of buffer descriptors is accepted
at all. Second, we also hand 64k buffers to the guest even if
the 2k buffers would fit better - and this results in dropped packets
in the IP layer of the guest since too much skbuf memory is used.

Though it seems at a first glance like PAPR says that we should store
the receive buffer descriptors in the page that is supplied during
the H_REGISTER_LOGICAL_LAN call, chapter 16.4.1.2 in the LoPAPR spec
declares that "the contents of these descriptors are architecturally
opaque, none of these descriptors are manipulated by code above
the architected interfaces". That means we don't have to store
the RX buffer descriptors in this page, but can also manage the
receive buffers at the hypervisor level only. This is now what we
are doing here: Introducing proper RX buffer pools which are also
sorted by size of the buffers, so we can hand out a buffer with
the best fitting size when a packet has been received.

To avoid problems with migration from/to older version of QEMU,
the old behavior is also retained and enabled by default. The new
buffer management has to be enabled via a new "use-rx-buffer-pools"
property.

Now with the new buffer pool management enabled, the problem with
"ping -s 65507" is fixed for me, and the throughput of a simple
test with wget increases from creeping 3MB/s up to 20MB/s!

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Thomas Huth
d6f39fdfcd hw/net/spapr_llan: Extract rx buffer code into separate functions
Refactor the code a little bit by extracting the code that reads
and writes the receive buffer list page into separate functions.
There should be no functional change in this patch, this is just
a preparation for the upcoming extensions that introduce receive
buffer pools.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
9c1cf38d28 ppc: A couple more dummy POWER8 Book4 regs
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: squashed in patch 'ppc: Add dummy ACOP SPR' ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
eb5ceb4d38 ppc: Add dummy CIABR SPR
We should implement HW breakpoint/watchpoint, qemu supports them...

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
a6eabb9e59 ppc: Add POWER8 IAMR register
With appropriate AMR-like masks. Not actually used by the translation
logic at that point

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: changed spr_register_hv(SPR_IAMR) to spr_register_kvm_hv(SPR_IAMR)
      changed gen_spr_amr() prototype ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
97eaf30ec6 ppc: Fix writing to AMR/UAMOR
The masks weren't chosen nor applied properly. The architecture specifies
that writes to AMR are masked by UAMOR for PR=1, otherwise AMOR for HV=0.

The writes to UAMOR are masked by AMOR for HV=0

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: moved gen_spr_amr() prototype change to next patch ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
6a9c4ef452 ppc: Initialize AMOR in PAPR mode
Make sure we give the guest full authorization

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
21a558bed9 ppc: Add dummy SPR_IC for POWER8
It's supposed to be an instruction counter. For now make us not
crash when accessing it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
26a7f1291b ppc: Create cpu_ppc_set_papr() helper
And move the code adjusting the MSR mask and calling kvmppc_set_papr()
to it. This allows us to add a few more things such as disabling setting
of MSR:HV and appropriate LPCR bits which will be used when fixing
the exception model.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
[clg: removed LPCR setting ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
f401dd32cb ppc: Add a bunch of hypervisor SPRs to Book3s
We don't give them a KVM reg number to most of the registers yet as no
current KVM version supports HV mode. For DAWR and DAWRX, the KVM reg
number is needed since this register can be set by the guest via the
H_SET_MODE hypercall.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: squashed in patch 'ppc: Add KVM numbers to some P8 SPRs'
      changed the commit log with a proposal of Thomas Huth
      removed all hunks except those related to AMOR and DAWR* ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:34 +11:00
Benjamin Herrenschmidt
eb94268e73 ppc: Add macros to register hypervisor mode SPRs
The current set of spr_register_* macros only take the user and
supervisor function pointers. To make the transition easy, we
don't change that but we add "_hv" variants that can be used to
register all 3 sets.

To simplify the transition, users of the "old" macro will set the
hypervisor callback to be the same as the supervisor one. The new
registration function only needs to be used for registers that are
either hypervisor only or behave differently in HV mode.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
[clg: fixed else if condition in gen_op_mfspr() ]
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:33 +11:00
Benjamin Herrenschmidt
1488270e82 ppc: Update SPR definitions
Add definitions for additional SPR numbers and SPR bit definitions
that will be relevant for subsequent improvements to POWER8 emulation

Also fix the definition of LPIDR which was incorrect (and is different
for server and embedded).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:33 +11:00
Alexey Kardashevskiy
0ddbd05362 spapr/target-ppc/kvm: Only add hcall-instructions if KVM supports it
ePAPR defines "hcall-instructions" device-tree property which contains
code to call hypercalls in ePAPR paravirtualized guests.  In general
pseries guests won't use this property, instead using the PAPR defined
hypercall interface.

However, this property has been re-used to implement a hack to allow
PR KVM to run (slightly modified) guests in some situations where it
otherwise wouldn't be able to (because the system's L0 hypervisor
doesn't forward the PAPR hypercalls to the PR KVM kernel).

Hence, this property is always present in the device tree for pseries
guests. All KVM guests use it at least to read features via the
KVM_HC_FEATURES hypercall.

The property is populated by the code returned from the KVM's
KVM_PPC_GET_PVINFO ioctl; if not implemented in the KVM, QEMU supplies
code which will fail all hypercall attempts. If QEMU does not create
the property, and the guest kernel is compiled with
CONFIG_EPAPR_PARAVIRT (which is normally the case), there is exactly
the same stub at @epapr_hypercall_start already.

Rather than maintaining this fairly useless stub implementation, it
makes more sense not to create the property in the device tree in the
first place if the host kernel does not implement it.

This changes kvmppc_get_hypercall() to return 1 if the host kernel
does not implement KVM_CAP_PPC_GET_PVINFO. The caller can use it to decide
on whether to create the property or not.

This changes the pseries machine to not create the property if KVM does
not implement KVM_PPC_GET_PVINFO. In practice this means that from now
on the property will not be created if either HV KVM or TCG is used.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[reworded commit message for clarity --dwg]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:33 +11:00
Laurent Vivier
8b9f2118ca ppc64: set MSR_SF bit
When a qemu-system-ppc64 is started, the 64-bit mode bit
is not set in MSR.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-24 11:17:33 +11:00
Cornelia Huck
ce11b06222 s390-ccw.img: rebuild image
Contains the following changes:

pc-bios/s390-ccw: add more disk layout checks
pc-bios/s390-ccw: virtio_panic -> panic
pc-bios/s390-ccw: add utility functions and "export" some others
pc-bios/s390-ccw: qemuize types
pc-bios/s390-ccw: update virtio implementation to allow up to 3 vrings
pc-bios/s390-ccw: add vdev object to store all device details
pc-bios/s390-ccw: make provisions for different backends
pc-bios/s390-ccw: add simplified virtio call
pc-bios/s390-ccw: add scsi definitions
pc-bios/s390-ccw: add virtio-scsi implementation
pc-bios/s390-ccw: enable virtio-scsi
pc-bios/s390-ccw: enhance bootmap detection
pc-bios/s390-ccw: disambiguation of "No zIPL magic" message

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
688e697fa4 pc-bios/s390-ccw: disambiguation of "No zIPL magic" message
Don't indicate the same error message for different conditions.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
f038682044 pc-bios/s390-ccw: enhance bootmap detection
Improve the algorithm that tries to guess the disk layout:
1. Use CD-ROMs to read ISO only
2. Make explicit paths for -scsi and -blk virtio

Acked-by: Maxim Samoylov <max7255@linux.vnet.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
80ba3e249b pc-bios/s390-ccw: enable virtio-scsi
Make the code added before to work.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
86aec22d48 pc-bios/s390-ccw: add virtio-scsi implementation
Add virtio-scsi.[ch] with primary implementation of virtio-scsi.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
f791561476 pc-bios/s390-ccw: add scsi definitions
Add scsi.h to provide basic definitions for SCSI.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
8944edc3dd pc-bios/s390-ccw: add simplified virtio call
Add virtio_run(VirtioCmd) call to use simple declarative approach.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
a1102cebbf pc-bios/s390-ccw: make provisions for different backends
Add dispatching code to make room for non virtio-blk boot devices.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
69429682c6 pc-bios/s390-ccw: add vdev object to store all device details
Add VDev "object" as a container for all device-related items.
The default object is static.

Leverage dependency on many different device-related globals.
Make them syntactically visible.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
8512989143 pc-bios/s390-ccw: update virtio implementation to allow up to 3 vrings
Add ability to work with up to 3 vrings, which is required for
virtio-scsi implementation.
Implement the optional cookie to speed up processing of virtio
notifications.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
b88d7fa590 pc-bios/s390-ccw: qemuize types
Turn [the most of] existing declarations from
    struct type_name { ... };
into
    struct TypeName { ... };
    typedef struct TypeName TypeName;
and make use of them.

Also switch u{8,16,32,64} to uint{8,16,32,64}_t.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
dc25e843f6 pc-bios/s390-ccw: add utility functions and "export" some others
Add several utility functions, make IPL_check and IPL_assert generally
available, etc.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
c9262e8a84 pc-bios/s390-ccw: virtio_panic -> panic
This function has nothing to do with virtio.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
Eugene (jno) Dvurechenski
b1be0972f9 pc-bios/s390-ccw: add more disk layout checks
Experiments showed possibility of few more "misconfigurations" in disk
layout. They are reported now.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-03-23 16:13:38 +01:00
John Arbuckle
aaac714f31 ui/cocoa.m: switch to QKeyCode
This patch removes the pc/xt keycode map and replaces it with the QKeyCode
keymap.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-23 14:29:30 +00:00
John Arbuckle
a35412782d qapi-schema.json: Add power and keypad equal keys
Add the power and keypad equal keys. These keys are found on a real Macintosh
keyboard.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-23 14:29:29 +00:00
John Arbuckle
f474790061 ui/cocoa.m: fix help menus
Make the help menus actually work. The code will search thru three different
locations for the help file. If it can't be found a dialog will tell the user
the file can't be found.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: F6B689F9-4DBD-4C50-BC38-35E5DD03D396@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-23 14:26:17 +00:00
Leon Alrae
b7c4ab809a default-configs: add mips-softmmu-common.mak
Add mips-softmmu-common.mak and include it in existing mips*-softmmu.mak
files to avoid having to repeat CONFIG defines four times.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2016-03-23 13:36:56 +00:00
Leon Alrae
ba5c79f262 target-mips: indicate presence of IEEE 754-2008 FPU in R6/R5+MSA CPUs
MIPS Release 6 and MIPS SIMD Architecture make it mandatory to have IEEE
754-2008 FPU which is indicated by CP1 FIR.HAS2008, FCSR.ABS2008 and
FCSR.NAN2008 bits set to 1.

In QEMU we still keep these bits cleared as there is no 2008-NaN support.
However, this now causes problems preventing from running R6 Linux with
the v4.5 kernel. Kernel refuses to execute 2008-NaN ELFs on a CPU
whose FPU does not support 2008-NaN encoding:

  (...)
  VFS: Mounted root (ext4 filesystem) readonly on device 8:0.
  devtmpfs: mounted
  Freeing unused kernel memory: 256K (ffffffff806f0000 - ffffffff80730000)
  request_module: runaway loop modprobe binfmt-464c
  Starting init: /sbin/init exists but couldn't execute it (error -8)
  request_module: runaway loop modprobe binfmt-464c
  Starting init: /bin/sh exists but couldn't execute it (error -8)
  Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.

Therefore always indicate presence of 2008-NaN support in R6 as well as in
R5+MSA CPUs, even though this feature is not yet supported by MIPS in QEMU.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2016-03-23 13:36:55 +00:00
Peter Maydell
2538039f2c ivshmem: Fixes, cleanups, device model split
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Merge remote-tracking branch 'remotes/armbru/tags/pull-ivshmem-2016-03-18' into staging

ivshmem: Fixes, cleanups, device model split

# gpg: Signature made Mon 21 Mar 2016 20:33:54 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-ivshmem-2016-03-18: (40 commits)
  contrib/ivshmem-server: Print "not for production" warning
  ivshmem: Require master to have ID zero
  ivshmem: Drop ivshmem property x-memdev
  ivshmem: Clean up after the previous commit
  ivshmem: Split ivshmem-plain, ivshmem-doorbell off ivshmem
  ivshmem: Replace int role_val by OnOffAuto master
  qdev: New DEFINE_PROP_ON_OFF_AUTO
  ivshmem: Inline check_shm_size() into its only caller
  ivshmem: Simplify memory regions for BAR 2 (shared memory)
  ivshmem: Implement shm=... with a memory backend
  ivshmem: Tighten check of property "size"
  ivshmem: Simplify how we cope with short reads from server
  ivshmem: Drop the hackish test for UNIX domain chardev
  ivshmem: Rely on server sending the ID right after the version
  ivshmem: Propagate errors through ivshmem_recv_setup()
  ivshmem: Receive shared memory synchronously in realize()
  ivshmem: Plug leaks on unplug, fix peer disconnect
  ivshmem: Disentangle ivshmem_read()
  ivshmem: Simplify rejection of invalid peer ID from server
  ivshmem: Assert interrupts are set up once
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-23 12:57:44 +00:00