Commit Graph

47154 Commits

Author SHA1 Message Date
Marcel Apfelbaum
621d983a1f hw/iommu: enable iommu with -device
Use the standard '-device intel-iommu' to create the IOMMU device.
The legacy '-machine,iommu=on' can still be used.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-07-04 14:50:58 +03:00
Marcel Apfelbaum
bf8d492405 q35: allow dynamic sysbus
Allow adding sysbus devices with -device on Q35.

At first Q35 will support only intel-iommu to be added this way,
however the command line will support all sysbus devices.

Mark with 'cannot_instantiate_with_device_add_yet' the ones
causing immediate problems (e.g. crashes).

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-07-04 14:50:01 +03:00
Marcel Apfelbaum
b86eacb804 hw/pci: delay bus_master_enable_region initialization
Skip bus_master_enable region creation on PCI device init
in order to be sure the IOMMU device (if present) would
be created in advance. Add this memory region at machine_done time.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-07-04 14:50:01 +03:00
Marcel Apfelbaum
1b04cc801a hw/ppc: realize the PCI root bus as part of mac99 init
Mac99's PCI root bus is not part of a host bridge,
realize it manually.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-07-04 14:50:01 +03:00
Gerd Hoffmann
5ec7d09818 xen: fix ram init regression
Commit "8156d48 pc: allow raising low memory via max-ram-below-4g
option" causes a regression on xen, because it uses a different
memory split.

This patch initializes max-ram-below-4g to zero and leaves the
initialization to the memory initialization functions.  That way
they can pick different default values (max-ram-below-4g is zero
still) or use the user supplied value (max-ram-below-4g is non-zero).

Also skip the whole ram split calculation on Xen.  xen_ram_init()
does its own split calculation anyway so it is superfluous, also
this way xen_ram_init can actually see whenever max-ram-below-4g
is zero or not.

Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Tested-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-07-04 14:50:00 +03:00
Peter Maydell
e2c8f9e44e slirp updates
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Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

slirp updates

# gpg: Signature made Sun 03 Jul 2016 23:03:04 BST
# gpg:                using RSA key 0xE3E51CE8FB6B2F1D
# gpg: Good signature from "Samuel Thibault <samuel.thibault@gnu.org>"
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: F632 74CD C630 0873 CB3D  29D9 E3E5 1CE8 FB6B 2F1D

* remotes/thibault/tags/samuel-thibault:
  slirp: Add support for stateless DHCPv6
  slirp: Remove superfluous memset() calls from the TFTP code
  slirp: Add RDNSS advertisement
  slirp: Support link-local DNS addresses
  slirp: Add dns6 resolution
  slirp: Split get_dns_addr

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-04 10:49:17 +01:00
Daniel P. Berrange
0c16c056a4 crypto: switch hash code to use nettle/gcrypt directly
Currently the internal hash code is using the gnutls hash APIs.
GNUTLS in turn is wrapping either nettle or gcrypt. Not only
were the GNUTLS hash APIs not added until GNUTLS 2.9.10, but
they don't expose support for all the algorithms QEMU needs
to use with LUKS.

Address this by directly wrapping nettle/gcrypt in QEMU and
avoiding GNUTLS's extra layer of indirection. This gives us
support for hash functions on a much wider range of platforms
and opens up ability to support more hash functions. It also
avoids a GNUTLS bug which would not correctly handle hashing
of large data blocks if int != size_t.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-04 10:47:09 +01:00
Daniel P. Berrange
8cbfc94269 crypto: rename OUT to out in xts test to avoid clash on MinGW
On MinGW one of the system headers already has "OUT" defined
which causes a compile failure of the test suite. Rename the
test suite var to 'out' to avoid this clash

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-04 10:46:59 +01:00
Daniel P. Berrange
8b7cdba386 crypto: fix handling of iv generator hash defaults
When opening an existing LUKS volume, if the iv generator is
essiv, then the iv hash algorithm is mandatory to provide. We
must report an error if it is omitted in the cipher mode spec,
not silently default to hash 0 (md5).  If the iv generator is
not essiv, then we explicitly ignore any iv hash algorithm,
rather than report an error, for compatibility with dm-crypt.

When creating a new LUKS volume, if the iv generator is essiv
and no iv hsah algorithm is provided, we should default to
using the sha256 hash.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-04 10:46:59 +01:00
Gerd Hoffmann
6e03a28e1c seabios: update binaries from 1.9.1 to 1.9.3
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-04 11:28:58 +02:00
Gerd Hoffmann
ea996ebd65 seabios: update 128k config
Turn off mpt-scsi and bootsplash to keep size below 128k.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-04 11:28:58 +02:00
Richard W.M. Jones
4e04ab6a63 bios: Add fast variant of SeaBIOS for use with -kernel on x86.
This commit adds a fast variant of SeaBIOS called 'bios-fast.bin'.

It's designed to be the fastest (also the smallest, but that's not the
main aim) SeaBIOS that is just enough to boot a Linux kernel using the
-kernel option on i686 and x86_64.

This commit does not modify the -kernel option to use this.  You have
to specify it by doing something like this:

  -kernel vmlinuz -bios bios-fast.bin

Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-04 11:28:58 +02:00
Gerd Hoffmann
8692aa2979 seabios: update submodule from 1.9.1 to 1.9.3
git shortlog
============

Alex Williamson (1):
      fw/pci: Add support for mapping Intel IGD via QEMU

Haozhong Zhang (1):
      fw/msr_feature_control: add support to set MSR_IA32_FEATURE_CONTROL

Kevin O'Connor (1):
      build: fix .text section address alignment

Marcel Apfelbaum (1):
      fw/pci: add Q35 S3 support

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-04 11:28:58 +02:00
Thomas Huth
7b143999f2 slirp: Add support for stateless DHCPv6
Provide basic support for stateless DHCPv6 (see RFC 3736) so
that guests can also automatically boot via IPv6 with SLIRP
(for IPv6 network booting, see RFC 5970 for details).

Tested with:

    qemu-system-ppc64 -nographic -vga none -boot n -net nic \
        -net user,ipv6=yes,ipv4=no,tftp=/path/to/tftp,bootfile=ppc64.img

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-07-03 23:59:42 +02:00
Thomas Huth
e5857062a6 slirp: Remove superfluous memset() calls from the TFTP code
Commit fad7fb9ccd  ("Add IPv6 support to the TFTP code")
refactored some common code for preparing the mbuf into a new
function called tftp_prep_mbuf_data(). One part of this common
code is to do a "memset(m->m_data, 0, m->m_size);" for the related
buffer first. However, at two spots, the memset() was not removed
from the calling function, so it currently done twice in these code
paths. Thus let's delete these superfluous memsets in the calling
functions now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-07-03 23:59:42 +02:00
Samuel Thibault
f7725df387 slirp: Add RDNSS advertisement
This adds the RDNSS option to IPv6 router advertisements, so that the guest
can autoconfigure the DNS server address.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>

---
Changes since last submission:
- Disable on windows, until we have support for it
2016-07-03 23:31:12 +02:00
Samuel Thibault
ef763fa4bd slirp: Support link-local DNS addresses
They look like fe80::%eth0

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>

---
Changes since last submission:
- fix windows build
2016-07-03 23:29:13 +02:00
Samuel Thibault
1d17654e76 slirp: Add dns6 resolution
This makes get_dns_addr address family-agnostic, thus allowing to add the
IPv6 case.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2016-07-03 23:27:08 +02:00
Samuel Thibault
972487b878 slirp: Split get_dns_addr
Separate get_dns_addr into get_dns_addr_cached and get_dns_addr_resolv_conf
to make conversion to IPv6 easier.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2016-07-03 23:24:54 +02:00
Peter Maydell
96b39d8327 Only trivial fixes.
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging

Only trivial fixes.

# gpg: Signature made Fri 01 Jul 2016 13:39:06 BST
# gpg:                using DSA key 0x02FC3AEB0101DBC2
# gpg: Good signature from "Greg Kurz <gkurz@fr.ibm.com>"
# gpg:                 aka "Greg Kurz <groug@free.fr>"
# gpg:                 aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg:                 aka "Gregory Kurz (Groug) <groug@free.fr>"
# gpg:                 aka "Gregory Kurz (Cimai Technology) <gkurz@cimai.com>"
# gpg:                 aka "Gregory Kurz (Meiosys Technology) <gkurz@meiosys.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 2BD4 3B44 535E C0A7 9894  DBA2 02FC 3AEB 0101 DBC2

* remotes/gkurz/tags/for-upstream:
  9p: synth: drop v9fs_ prefix
  9p: don't include <sys/uio.h>

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-01 19:29:27 +01:00
Alexander Shopov
9a48e36700 Added Bulgarian translation
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Message-id: 20160626105922.40590-2-ash@kambanaria.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-01 16:06:57 +01:00
Greg Kurz
b05528b533 9p: synth: drop v9fs_ prefix
To have shorter lines and be consistent with other fs devices.

Acked-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
2016-07-01 14:38:54 +02:00
Greg Kurz
8d85a22aab 9p: don't include <sys/uio.h>
The <sys/uio.h> system header doesn't exist on all host platforms. Code
should include "qemu/osdep.h" instead to avoid build breaks on plafforms
that don't define CONFIG_IOVEC (like win32, if it is to support 9p one day).

Acked-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Michael Fritscher <michael@fritscher.net>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-07-01 14:38:54 +02:00
Peter Maydell
1b756f1abf ppc patch queue 2016-07-01
Here's the current ppc patch queue.  This is a fairly large batch,
 containing:
     * A number of further preliminary patches towards full hypervisor
       mode emulation
     * Some further fixes / cleanups for the recently merged device_add
       based CPU hotplug
     * Preliminary patches towards supporting a native (rather than
       paravirtualized) XICS device.  This will be needed to emulate a
       physical Power machine, including hypervisor capabilities
     * Assorted bug fixes
 -----BEGIN PGP SIGNATURE-----
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 =KhVy
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.7-20160701' into staging

ppc patch queue 2016-07-01

Here's the current ppc patch queue.  This is a fairly large batch,
containing:
    * A number of further preliminary patches towards full hypervisor
      mode emulation
    * Some further fixes / cleanups for the recently merged device_add
      based CPU hotplug
    * Preliminary patches towards supporting a native (rather than
      paravirtualized) XICS device.  This will be needed to emulate a
      physical Power machine, including hypervisor capabilities
    * Assorted bug fixes

# gpg: Signature made Fri 01 Jul 2016 06:56:35 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# 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-2.7-20160701: (23 commits)
  qmp: fix spapr example of query-hotpluggable-cpus
  spapr: drop duplicate variable in spapr_core_release()
  spapr: do proper error propagation in spapr_cpu_core_realize_child()
  spapr: drop reference on child object during core realization
  spapr: Restore support for 970MP and POWER8NVL CPU cores
  target-ppc: gen_pause for instructions: yield, mdoio, mdoom, miso
  ppc/xics: Replace "icp" with "xics" in most places
  ppc/xics: Implement H_IPOLL using an accessor
  ppc/xics: Move SPAPR specific code to a separate file
  ppc/xics: Rename existing xics to xics_spapr
  ppc: Fix 64K pages support in full emulation
  target-ppc: Eliminate redundant and incorrect function booke206_page_size_to_tlb
  spapr: Restore support for older PowerPC CPU cores
  spapr: fix write-past-end-of-array error in cpu core device init code
  hw/ppc/spapr: Add some missing hcall function set strings
  ppc: Print HSRR0/HSRR1 in "info registers"
  ppc: LPCR is a HV resource
  ppc: Initial HDEC support
  ppc: Enforce setting MSR:EE,IR and DR when MSR:PR is set
  ppc: Fix conditions for delivering external interrupts to a guest
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-01 13:31:48 +01:00
Gerd Hoffmann
8df42d855c build: add pc-bios to config-host.mak deps
... so configure re-runs on pc-bios updates such as new pxe roms.
Needed because configure symlinks the prebuilt roms from src
into build tree.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-01 13:31:44 +02:00
Gerd Hoffmann
45027808cd ipxe: add new roms to BLOBS
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-01 13:26:57 +02:00
Peter Maydell
94e31093ff VFIO updates 2016-06-30
- Fix VGA quirks (stable 2.6) (Alex Williamson)
  - Registering PCIe extended capabilities (Chen Fan)
  - Hide read-only SR-IOV capability from VM (Alex Williamson)
  - MemoryRegionIOMMUOps.notify_started/stopped (Alexey Kardashevskiy)
  - hw_error on intel_iommu notify_started  (Alex Williamson)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.14 (GNU/Linux)
 
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 =bvAn
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20160630.0' into staging

VFIO updates 2016-06-30

 - Fix VGA quirks (stable 2.6) (Alex Williamson)
 - Registering PCIe extended capabilities (Chen Fan)
 - Hide read-only SR-IOV capability from VM (Alex Williamson)
 - MemoryRegionIOMMUOps.notify_started/stopped (Alexey Kardashevskiy)
 - hw_error on intel_iommu notify_started  (Alex Williamson)

# gpg: Signature made Thu 30 Jun 2016 20:45:55 BST
# gpg:                using RSA key 0x239B9B6E3BB08B22
# 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>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-update-20160630.0:
  intel_iommu: Throw hw_error on notify_started
  memory: Add MemoryRegionIOMMUOps.notify_started/stopped callbacks
  vfio/pci: Hide SR-IOV capability
  vfio: add pcie extended capability support
  vfio/pci: Fix VGA quirks

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-01 11:52:14 +01:00
Peter Maydell
1fb4c13e4f QAPI patches 2016-06-30
-----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-06-30' into staging

QAPI patches 2016-06-30

# gpg: Signature made Thu 30 Jun 2016 14:29:43 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2016-06-30:
  qapi: Fix memleak in string visitors on int lists
  qapi: Simplify use of range.h
  range: Create range.c for code that should not be inline
  qapi: Fix crash on missing alternate member of QAPI struct
  checkpatch: There is no qemu_strtod()
  qobject: Correct JSON lexer grammar comments
  json-streamer: Don't leak tokens on incomplete parse

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-01 11:18:01 +01:00
Igor Mammedov
13f5e8003e qmp: fix spapr example of query-hotpluggable-cpus
27393c33 qapi: keep names in 'CpuInstanceProperties' in sync with struct CPUCore
added -id suffix to property names but forgot to fix example in qmp-commands.hx

Fix example to have 'core-id' instead of 'core' to match current code

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Greg Kurz
8a1eb71bd8 spapr: drop duplicate variable in spapr_core_release()
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Greg Kurz
f11235b920 spapr: do proper error propagation in spapr_cpu_core_realize_child()
This patch changes spapr_cpu_core_realize_child() to have a local error
pointer and use error_propagate() as it is supposed to be done.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Greg Kurz
8e758dee66 spapr: drop reference on child object during core realization
When a core is being realized, we create a child object for each thread
of the core.

The child is first initialized with object_initialize() which sets its ref
count to 1, and then added to the core with object_property_add_child()
which bumps the ref count to 2.

When the core gets released, object_unparent() decreases the ref count to 1,
and we g_free() the object: we hence loose the reference on an unfinalized
object. This is likely to cause random crashes.

Let's drop the extra reference as soon as we don't need it, after the
thread is added to the core.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Bharata B Rao
470f215787 spapr: Restore support for 970MP and POWER8NVL CPU cores
Introduction of core based CPU hotplug for PowerPC sPAPR didn't
add support for 970MP and POWER8NVL based core types. Add support for
the same.

While we are here, add support for explicit specification of POWER5+_v2.1
core type.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Aaron Larson
9e196938aa target-ppc: gen_pause for instructions: yield, mdoio, mdoom, miso
Call gen_pause for all "or rx,rx,rx" encodings other nop.  This
provides a reasonable implementation for yield, and a better
approximation for mdoio, mdoom, and miso.  The choice to pause for all
encodings !=0 leverages the PowerISA admonition that the reserved
encodings might change program priority, providing a slight "future
proofing".

Signed-off-by: Aaron Larson <alarson@ddci.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Benjamin Herrenschmidt
27f2458245 ppc/xics: Replace "icp" with "xics" in most places
The "ICP" is a different object than the "XICS". For historical reasons,
we have a number of places where we name a variable "icp" while it contains
a XICSState pointer. There *is* an ICPState structure too so this makes
the code really confusing.

This is a mechanical replacement of all those instances to use the name
"xics" instead. There should be no functional change.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[spapr_cpu_init has been moved to spapr_cpu_core.c, change there]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Benjamin Herrenschmidt
1cbd222055 ppc/xics: Implement H_IPOLL using an accessor
None of the other presenter functions directly mucks with the
internal state, so don't do it there either.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:47 +10:00
Benjamin Herrenschmidt
9c7027ba94 ppc/xics: Move SPAPR specific code to a separate file
Leave the core ICP/ICS logic in xics.c and move the top level
class wrapper, hypercall and RTAS handlers to xics_spapr.c

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[add cpu.h in xics_spapr.c, move set_nr_irqs and set_nr_servers to
 xics_spapr.c]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:46 +10:00
Benjamin Herrenschmidt
161deaf225 ppc/xics: Rename existing xics to xics_spapr
The common class doesn't change, the KVM one is sPAPR specific. Rename
variables and functions to xics_spapr.

Retain the type name as "xics" to preserve migration for existing sPAPR
guests.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 13:41:46 +10:00
Benjamin Herrenschmidt
4322e8ced5 ppc: Fix 64K pages support in full emulation
We were always advertising only 4K & 16M. Additionally the code wasn't
properly matching the page size with the PTE content, which meant we
could potentially hit an incorrect PTE if the guest used multiple sizes.

Finally, honor the CPU capabilities when decoding the size from the SLB
so we don't try to use 64K pages on 970.

This still doesn't add support for MPSS (Multiple Page Sizes per Segment)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors
      commits 61a36c9b5a and 1114e712c9 reworked the hpte code
      doing insertion/removal in hw/ppc/spapr_hcall.c. The hunks
      modifying these areas were removed. ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Aaron Larson
a36848ff7c target-ppc: Eliminate redundant and incorrect function booke206_page_size_to_tlb
Eliminate redundant and incorrect booke206_page_size_to_tlb function
from ppce500_spin.c in preference to previously existing but newly
exported definition from e500.c

Defect analysis:

The booke206_page_size_to_tlb function in e500.c was updated in commit
2bd9543 "ppc: booke206: use MAV=2.0 TSIZE definition, fix 4G pages" to
reflect a change in the definition of MAS1_TSIZE_SHIFT from 8
(corresponding to a min TLB page size of 4kb) to a value of 7 (TLB
page size 2k).  The booke206_page_size_to_tlb() function defined in
ppce500_spin.c was never updated to reflect the change in
MAS1_TSIZE_SHIFT.

In http://lists.nongnu.org/archive/html/qemu-ppc/2016-06/msg00533.html,
Scott Wood suggested this "root cause" explanation:

SW> The patch that changed MAS1_TSIZE_SHIFT from 8 to 7 was around the
SW> same time as the patch that added this code, which is probably why
SW> adjusting it got missed.  Commit 2bd9543cd3 did update the
SW> equivalent code in ppce500_mpc8544ds.c, which now resides in
SW> hw/ppc/e500.c and has been changed to not assume a power-of-2
SW> size.  The ppce500_spin version should be eliminated.

Signed-off-by: Aaron Larson <alarson@ddci.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Bharata B Rao
ff461b8da9 spapr: Restore support for older PowerPC CPU cores
Introduction of core based CPU hotplug for PowerPC sPAPR didn't
add support for 970 and POWER5+ based core types. Add support for
the same.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Greg Kurz
dde35bc966 spapr: fix write-past-end-of-array error in cpu core device init code
This fixes a potential QEMU crash introduced by commit 3b54254966.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Thomas Huth
6cc09e261b hw/ppc/spapr: Add some missing hcall function set strings
Add "hcall-sprg0" (for H_SET_SPRG0), "hcall-copy" (for H_PAGE_INIT)
and "hcall-debug" (for H_LOGICAL_CI_LOAD/STORE) to the property
"ibm,hypertas-functions" to indicate that we support these hypercalls.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
f2b70fded9 ppc: Print HSRR0/HSRR1 in "info registers"
They are generally useful when debugging HV mode stuff

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
635dff20a3 ppc: LPCR is a HV resource
Don't allow access in guest mode

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
4b236b621b ppc: Initial HDEC support
The current behaviour isn't completely right, as for the DEC, we
don't properly re-arm when wrapping around, but I will fix this
in a separate patch.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
b378bb0948 ppc: Enforce setting MSR:EE,IR and DR when MSR:PR is set
The architecture specifies that any instruction that sets MSR:PR will also
set MSR:EE, IR and DR.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
d1dbe37c1e ppc: Fix conditions for delivering external interrupts to a guest
External interrupts can bypass the MSR_EE test if they occur in guest
mode and LPES0 is clear. In that case they are directed to the hypervisor

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
4b3fc37788 ppc: Use a helper to filter writes to LPCR
This handles filtering bits based on what is implemented by a
given architecture version. We also use it to copy to LPCR
some of the relevant 970 HID4 bits.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00
Benjamin Herrenschmidt
88536935c0 ppc: Update LPCR definitions
Includes all the bits up to ISA 2.07

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-07-01 09:57:01 +10:00