Commit Graph

8348 Commits

Author SHA1 Message Date
Greg Kurz
62d38c9bd3 spapr: Generate FDT fragment for LMBs at configure connector time
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059666331.1466090.6766540766297333313.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-26 09:21:25 +11:00
Greg Kurz
d9c95c71ac spapr_drc: Allow FDT fragment to be added later
The current logic is to provide the FDT fragment when attaching a device
to a DRC. This works perfectly fine for our current hotplug support, but
soon we will add support for PHB hotplug which has some constraints, that
CPU, PCI and LMB devices don't seem to have.

The first constraint is that the "ibm,dma-window" property of the PHB
node requires the IOMMU to be configured, ie, spapr_tce_table_enable()
has been called, which happens during PHB reset. It is okay in the case
of hotplug since the device is reset before the hotplug handler is
called. On the contrary with coldplug, the hotplug handler is called
first and device is only reset during the initial system reset. Trying
to create the FDT fragment on the hotplug path in this case, would
result in somthing like this:

ibm,dma-window = < 0x80000000 0x00 0x00 0x00 0x00 >;

This will cause linux in the guest to panic, by simply removing and
re-adding the PHB using the drmgr command:

	page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz));
	if (!page)
		panic("iommu_init_table: Can't allocate %ld bytes\n", sz);

The second and maybe more problematic constraint is that the
"interrupt-map" property needs to reference the interrupt controller
node using the very same phandle that SLOF has already exposed to the
guest. QEMU requires SLOF to call the private KVMPPC_H_UPDATE_DT hcall
at some point to know about this phandle. With the latest QEMU and SLOF,
this happens when SLOF gets quiesced. This means that if the PHB gets
hotplugged after CAS but before SLOF quiesce, then we're sure that the
phandle is not known when the hotplug handler is called.

The FDT is only needed when the guest first invokes RTAS to configure
the connector actually, long after SLOF quiesce. Let's postpone the
creation of FDT fragments for PHBs to rtas_ibm_configure_connector().

Since we only need this for PHBs, introduce a new method in the base
DRC class for that. DRC subtypes will be converted to use it in
subsequent patches.

Allow spapr_drc_attach() to be passed a NULL fdt argument if the method
is available. When all DRC subtypes have been converted, the fdt argument
will eventually disappear.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059665823.1466090.18358845122627355537.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-26 09:21:25 +11:00
Benjamin Herrenschmidt
00fd075e18 target/ppc/spapr: Set LPCR:HR when using Radix mode
The HW relies on LPCR:HR along with the PATE to determine whether
to use Radix or Hash mode. In fact it uses LPCR:HR more commonly
than the PATE.

For us, it's also more efficient to do so, especially since unlike
the HW we do not maintain a cache of the current PATE and HV PATE
in a generic place.

Prepare the grounds for that by ensuring that LPCR:HR is set
properly on SPAPR machines.

Another option would have been to use a callback to get the PATE
but this gets messy when implementing bare metal support, it's
much simpler (and faster) to use LPCR.

Since existing migration streams may not have it, fix it up in
spapr_post_load() as well based on the pseudo-PATE entry that
we keep.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190215170029.15641-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-26 09:21:25 +11:00
Prasad J Pandit
27461d69a0 ppc: add host-serial and host-model machine attributes (CVE-2019-8934)
On ppc hosts, hypervisor shares following system attributes

  - /proc/device-tree/system-id
  - /proc/device-tree/model

with a guest. This could lead to information leakage and misuse.[*]
Add machine attributes to control such system information exposure
to a guest.

[*] https://wiki.openstack.org/wiki/OSSN/OSSN-0028

Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Fix-suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20190218181349.23885-1-ppandit@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-26 09:21:25 +11:00
Benjamin Herrenschmidt
67afe7759d target/ppc: Add POWER9 external interrupt model
Adds support for the Hypervisor directed interrupts in addition to the
OS ones.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: - modified the icp_realize() and xive_tctx_realize() to take
        into account explicitely the POWER9 interrupt model
      - introduced a specific power9_set_irq for POWER9 ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190215161648.9600-10-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-26 09:21:24 +11:00
Peter Maydell
59a568b578 vga: bugfixes and edid support for virtio-vga
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20190222-pull-request' into staging

vga: bugfixes and edid support for virtio-vga

# gpg: Signature made Fri 22 Feb 2019 08:24:25 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20190222-pull-request:
  display/virtio: add edid support.
  virtio-gpu: remove useless 'waiting' field
  virtio-gpu: block both 2d and 3d rendering
  virtio-gpu: remove unused config_size
  virtio-gpu: remove unused qdev

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-25 12:49:07 +00:00
Peter Maydell
8a4c08b161 ui: add support for -display spice-app
ui: gtk+sdl bugfixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190222-pull-request' into staging

ui: add support for -display spice-app
ui: gtk+sdl bugfixes.

# gpg: Signature made Fri 22 Feb 2019 07:53:13 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20190222-pull-request:
  display: add -display spice-app launching a Spice client
  spice: use a default name for the server
  qapi: document DisplayType enum
  build-sys: add gio-2.0 check
  char: register spice ports after spice started
  char: move SpiceChardev and open_spice_port() to spice.h header
  spice: do not stop spice if VM is paused
  spice: merge options lists
  spice: avoid spice runtime assert
  char/spice: discard write() if backend is disconnected
  char/spice: trigger HUP event
  ui/gtk: Fix the license information
  sdl2: drop qemu_input_event_send_key_qcode call
  spice: set device address and device display ID in QXL interface
  kbd-state: don't block auto-repeat events

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-25 09:05:41 +00:00
Peter Maydell
7817ea16c1 Allow const void * as argument to helpers.
Remove obsolete TODO file.
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190221' into staging

Allow const void * as argument to helpers.
Remove obsolete TODO file.

# gpg: Signature made Thu 21 Feb 2019 18:59:11 GMT
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20190221:
  include/exec/helper-head.h: support "const void *" in helper calls
  tcg: Remove TODO file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-22 13:04:42 +00:00
Gerd Hoffmann
1ed2cb32dc display/virtio: add edid support.
This patch adds EDID support to the family of virtio-gpu devices.  It is
turned off by default, use the new edid property to enable it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190221081054.13853-1-kraxel@redhat.com
2019-02-22 07:25:04 +01:00
Marc-André Lureau
9a6d74c0de virtio-gpu: remove useless 'waiting' field
Let's check renderer_blocked instead directly.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190221114330.17968-5-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-22 07:23:57 +01:00
Marc-André Lureau
ad341aacbf virtio-gpu: block both 2d and 3d rendering
Now that 2d commands are translated to 3d rendering, qemu must stop
sending 3d updates (from 2d) to Spice as well.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1674324

Cc: cfergeau@redhat.com
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Christophe Fergeau <cfergeau@redhat.com>
Tested-by: Christophe Fergeau <cfergeau@redhat.com>
Message-id: 20190221114330.17968-4-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-22 07:23:57 +01:00
Marc-André Lureau
4a9102c5eb virtio-gpu: remove unused config_size
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190221114330.17968-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-22 07:23:57 +01:00
Marc-André Lureau
836682bc03 virtio-gpu: remove unused qdev
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190221114330.17968-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-22 07:23:57 +01:00
David Hildenbrand
8c6edfdd90 include/exec/helper-head.h: support "const void *" in helper calls
Especially when dealing with out-of-line gvec helpers, it is often
helpful to specify some vector pointers as constant. E.g. when
we have two inputs and one output, marking the two inputs as consts
pointers helps to avoid bugs.

Const pointers can be specified via "cptr", however behave in TCG just
like ordinary pointers. We can specify helpers like:

DEF_HELPER_FLAGS_4(gvec_vbperm, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)

void HELPER(gvec_vbperm)(void *v1, const void *v2, const void *v3,
                         uint32_t desc)

And make sure that here, only v1 will be written (as long as const is
not casted away, of course).

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190221093459.22547-1-david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 10:22:24 -08:00
Peter Maydell
3733f80308 hw/arm/armsse: Make 0x5... alias region work for per-CPU devices
The region 0x40010000 .. 0x4001ffff and its secure-only alias
at 0x50010000... are for per-CPU devices. We implement this by
giving each CPU its own container memory region, where the
per-CPU devices live. Unfortunately, the alias region which
makes devices mapped at 0x4... addresses also appear at 0x5...
is only implemented in the overall "all CPUs" container. The
effect of this bug is that the CPU_IDENTITY register block appears
only at 0x4001f000, but not at the 0x5001f000 alias where it should
also appear. Guests (like very recent Arm Trusted Firmware-M)
which try to access it at 0x5001f000 will crash.

Fix this by moving the handling for this alias from the "all CPUs"
container to the per-CPU container. (We leave the aliases for
0x1... and 0x3... in the overall container, because there are
no per-CPU devices there.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190215180500.6906-1-peter.maydell@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2019-02-21 18:17:48 +00:00
Peter Maydell
321874196d hw/arm/armsse: Allow boards to specify init-svtor
The Musca boards have DAPLink firmware that sets the initial
secure VTOR value (the location of the vector table) differently
depending on the boot mode (from flash, from RAM, etc). Export
the init-svtor as a QOM property of the ARMSSE object so that
the board can change it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:47 +00:00
Peter Maydell
74ecf7677b hw/arm/armsse: Document SRAM_ADDR_WIDTH property in header comment
In commit 4b635cf7a9 we added a QOM property to the ARMSSE
object, but forgot to add it to the documentation comment in the
header. Correct the omission.

Fixes: 4b635cf7a9 ("hw/arm/armsse: Make SRAM bank size configurable")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:47 +00:00
Peter Maydell
a3c1ca56c0 hw/char/pl011: Support all interrupt lines
The PL011 UART has six interrupt lines:
 * RX (receive data)
 * TX (transmit data)
 * RT (receive timeout)
 * MS (modem status)
 * E (errors)
 * combined (logical OR of all the above)

So far we have only emulated the combined interrupt line;
add support for the others, so that boards that wire them
up to different interrupt controller inputs can do so.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:46 +00:00
Peter Maydell
694cf20999 hw/char/pl011: Allow use as an embedded-struct device
Create a new include file for the pl011's device struct,
type macros, etc, so that it can be instantiated using
the "embedded struct" coding style.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:46 +00:00
Peter Maydell
b0de99f3e9 hw/timer/pl031: Allow use as an embedded-struct device
Create a new include file for the pl031's device struct,
type macros, etc, so that it can be instantiated using
the "embedded struct" coding style.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:46 +00:00
Peter Maydell
37e571f1e0 hw/misc/tz-ppc: Support having unused ports in the middle of the range
The Peripheral Protection Controller's handling of unused ports
is that if there is nothing connected to the port's downstream
then it does not create the sysbus MMIO region for the upstream
end of the port. This results in odd behaviour when there is
an unused port in the middle of the range: since sysbus MMIO
regions are implicitly consecutively allocated, any used ports
above the unused ones end up with sysbus MMIO region numbers
that don't match the port number.

Avoid this numbering mismatch by creating dummy MMIO regions
for the unused ports. This doesn't change anything for our
existing boards, which don't have any gaps in the middle of
the port ranges they use; but it will be needed for the Musca
board.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-21 18:17:46 +00:00
Marc-André Lureau
24fa7da3ca char: move SpiceChardev and open_spice_port() to spice.h header
This will allow easier subclassing of SpiceChardev, in upcoming
"display: add -display spice-app launching external application"
patch.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Victor Toso <victortoso@redhat.com>
Message-id: 20190221110703.5775-7-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-21 14:09:17 +01:00
Lukáš Hrázký
be812c0ab7 spice: set device address and device display ID in QXL interface
Calls the new SPICE QXL interface function spice_qxl_set_device_info to
set the hardware address of the graphics device represented by the QXL
interface (e.g. a PCI path) and the device display IDs (the IDs of the
device's monitors that belong to this QXL interface).

Also stops using the deprecated spice_qxl_set_max_monitors, the new
interface function replaces it.

Signed-off-by: Lukáš Hrázký <lhrazky@redhat.com>
Message-Id: <20190215150919.8263-1-lhrazky@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-21 10:15:26 +01:00
Peter Maydell
2e68b86206 ppc patch queue 2019-02-19
Here's the next batch of ppc and spapr patches.  Higlights are:
 
  * A bunch of improvements to TCG handling of vector instructions from
    Richard Henderson and Marc Cave-Ayland
 
  * Cleanup to the XICS interrupt controller from Greg Kurz, removing
    the special KVM subclasses which were a bad idea
 
  * Some refinements to the XIVE interrupt controller from Cédric Le
    Goater
 
  * Fix from Fabiano Rosas for a really dumb buffer overflow in the
    device tree code for memory hotplug
 
  * Code for allowing access to SPRs from the gdb stub from Fabiano
    Rosas
 
  * Assorted minor fixes and cleanups
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.0-20190219' into staging

ppc patch queue 2019-02-19

Here's the next batch of ppc and spapr patches.  Higlights are:

 * A bunch of improvements to TCG handling of vector instructions from
   Richard Henderson and Marc Cave-Ayland

 * Cleanup to the XICS interrupt controller from Greg Kurz, removing
   the special KVM subclasses which were a bad idea

 * Some refinements to the XIVE interrupt controller from Cédric Le
   Goater

 * Fix from Fabiano Rosas for a really dumb buffer overflow in the
   device tree code for memory hotplug

 * Code for allowing access to SPRs from the gdb stub from Fabiano
   Rosas

 * Assorted minor fixes and cleanups

# gpg: Signature made Mon 18 Feb 2019 13:47:54 GMT
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-4.0-20190219: (43 commits)
  target/ppc: convert vmin* and vmax* to vector operations
  target/ppc: convert vadd*s and vsub*s to vector operations
  target/ppc: Split out VSCR_SAT to a vector field
  target/ppc: Add set_vscr_sat
  target/ppc: Use mtvscr/mfvscr for vmstate
  target/ppc: Add helper_mfvscr
  target/ppc: Remove vscr_nj and vscr_sat
  target/ppc: Use helper_mtvscr for reset and gdb
  target/ppc: Pass integer to helper_mtvscr
  target/ppc: convert xxsel to vector operations
  target/ppc: convert xxspltw to vector operations
  target/ppc: convert xxspltib to vector operations
  target/ppc: convert VSX logical operations to vector operations
  target/ppc: convert vsplt[bhw] to use vector operations
  target/ppc: convert vspltis[bhw] to use vector operations
  target/ppc: convert vaddu[b,h,w,d] and vsubu[b,h,w,d] over to use vector operations
  target/ppc: convert VMX logical instructions to use vector operations
  xics: Drop the KVM ICS class
  spapr/irq: Use the "simple" ICS class for KVM
  xics: Handle KVM interrupt presentation from "simple" ICS code
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-18 16:20:13 +00:00
Peter Maydell
a0430dd8ab QAPI patches for 2019-02-18
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 =pNCA
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-02-18' into staging

QAPI patches for 2019-02-18

# gpg: Signature made Mon 18 Feb 2019 13:44:30 GMT
# gpg:                using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2019-02-18:
  qapi: move RTC_CHANGE to the target schema
  qmp: Deprecate query-events in favor of query-qmp-schema
  Revert "qapi-events: add 'if' condition to implicit event enum"
  qapi: remove qmp_unregister_command()
  qapi: make query-cpu-definitions depend on specific targets
  qapi: make query-cpu-model-expansion depend on s390 or x86
  qapi: make query-gic-capabilities depend on TARGET_ARM
  target.json: add a note about query-cpu* not being s390x-specific
  qapi: make s390 commands depend on TARGET_S390X
  qapi: make rtc-reset-reinjection and SEV depend on TARGET_I386
  qapi: New module target.json
  build: Deal with all of QAPI's .o in qapi/Makefile.objs
  build-sys: move qmp-introspect per target
  qapi: Generate QAPIEvent stuff into separate files
  qapi: Prepare for system modules other than 'builtin'
  qapi: Clean up modular built-in code generation a bit
  qapi: Fix up documentation for recent commit a95291007b
  qapi: Belatedly document modular code generation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-18 14:23:13 +00:00
Marc-André Lureau
0b69f6f72c qapi: remove qmp_unregister_command()
This command is no longer needed, the schema has compile-time
configuration conditions.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190214152251.2073-16-armbru@redhat.com>
2019-02-18 14:44:05 +01:00
Marc-André Lureau
25a9d6ca63 qapi: make query-cpu-definitions depend on specific targets
It depends on TARGET_PPC || TARGET_ARM || TARGET_I386 || TARGET_S390X.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190214152251.2073-15-armbru@redhat.com>
2019-02-18 14:44:05 +01:00
Marc-André Lureau
96f75b59b6 qapi: make query-cpu-model-expansion depend on s390 or x86
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190214152251.2073-14-armbru@redhat.com>
2019-02-18 14:44:05 +01:00
Marc-André Lureau
0e2f4530c1 qapi: make s390 commands depend on TARGET_S390X
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190214152251.2073-11-armbru@redhat.com>
2019-02-18 14:44:05 +01:00
Richard Henderson
4037c39ba5 target/s390x: Split out s390-tod.h
We will need these from CONFIG_USER_ONLY as well,
which cannot access include/hw/.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190212053044.29015-2-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-02-18 11:25:43 +01:00
Greg Kurz
3272752a8b xics: Drop the KVM ICS class
The KVM ICS class isn't used anymore. Drop it.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023084177.1011724.14693955932559990358.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:52:08 +11:00
Greg Kurz
557b456729 xics: Handle KVM interrupt presentation from "simple" ICS code
We want to use the "simple" ICS type in both KVM and non-KVM setups.
Teach the "simple" ICS how to present interrupts to KVM and adapt
sPAPR accordingly.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023082996.1011724.16237920586343905010.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:43:19 +11:00
Greg Kurz
d80b2ccfa7 xics: Explicitely call KVM ICS methods from the common code
The pre_save(), post_load() and synchronize_state() methods of the
ICSStateClass type are really KVM only things. Make that obvious
by dropping the indirections and directly calling the KVM functions
instead.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023081817.1011724.14078777320394028836.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:39:24 +11:00
Greg Kurz
8c1ced677d xics: Drop the KVM ICP class
The KVM ICP class isn't used anymore. Drop it.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023081228.1011724.12474992370439652538.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:37:33 +11:00
Greg Kurz
56af66566d spapr/irq: Use the base ICP class for KVM
The base ICP class knows how to interact with KVM. Adapt sPAPR to use it
instead of the ICP KVM class.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023080638.1011724.792095453419098948.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:34:56 +11:00
Greg Kurz
8e6e6efef7 xics: Handle KVM ICP realize from the common code
The realization of KVM ICP currently follows the parent_realize logic,
which is a bit overkill here. Also we want to get rid of the KVM ICP
class. Explicitely call icp_kvm_realize() from the base ICP realize
function.

Note that ICPStateClass::parent_realize is retained because powernv
needs it.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023080049.1011724.15423463482790260696.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:34:05 +11:00
Greg Kurz
d82f397183 xics: Handle KVM ICP reset from the common code
The KVM ICP reset handler simply writes the ICP state to KVM. This
doesn't need the overkill parent_reset logic we have today. Call
icp_set_kvm_state() from the base ICP reset function instead.

Since there are no other users for ICPStateClass::parent_reset, and
it isn't currently expected to change, drop it as well.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023079461.1011724.12644984391500635645.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:29:55 +11:00
Greg Kurz
0e5c7fad9c xics: Explicitely call KVM ICP methods from the common code
The pre_save(), post_load() and synchronize_state() methods of the
ICPStateClass type are really KVM only things. Make that obvious
by dropping the indirections and directly calling the KVM functions
instead.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023078871.1011724.3083923389814185598.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-18 10:14:37 +11:00
Cédric Le Goater
2e66cdb715 spapr/irq: add an 'nr_irq' parameter to initialize the backend.
When using the 'dual' interrupt mode, the source numbers of both sPAPR
IRQ backends are aligned to share a common IRQ number space and to use
a similar mapping of the machine qemu_irq array which is indexed by
the source number.

The XICS IRQ number range initially being [ 0x1000 - 0x2000 ], this
requires to change the XICS ICSState offset to 0 and to provision for
an extra 4K of source numbers and qemu_irqs which will never be used
by the machine when running under the XICS interrupt mode. This is not
an optimal solution.

Change the init() method to allocate an IRQ number space of the
expected size for the XICS sPAPR IRQ backend. It breaks the interrupt
signaling when under the 'dual' mode because source numbers have
unexpected values but next patch will fix that.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190213210756.27032-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-17 21:54:02 +11:00
Michael Roth
94d1cc5f03 qdev: pass an Object * to qbus_set_hotplug_handler()
Certain devices types, like memory/CPU, are now being handled using a
hotplug interface provided by a top-level MachineClass. Hotpluggable
host bridges are another such device where it makes sense to use a
machine-level hotplug handler. However, unlike those devices,
host-bridges have a parent bus (the main system bus), and devices with
a parent bus use a different mechanism for registering their hotplug
handlers: qbus_set_hotplug_handler(). This interface currently expects
a handler to be a subclass of DeviceClass, but this is not the case
for MachineClass, which derives directly from ObjectClass.

Internally, the interface only requires an ObjectClass, so expose that
in qbus_set_hotplug_handler().

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <154999589921.690774.3640149277362188566.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-17 21:54:02 +11:00
Greg Kurz
0afed8c819 xive: Only set source type for LSIs
MSI is the default and LSI specific code is guarded by the
xive_source_irq_is_lsi() helper. The xive_source_irq_set()
helper is a nop for MSIs.

Simplify the code by turning xive_source_irq_set() into
xive_source_irq_set_lsi() and only call it for LSIs. The
call to xive_source_irq_set(false) in spapr_xive_irq_free()
is also a nop. Just drop it.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <154999584656.690774.18352404495120358613.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-17 21:54:02 +11:00
Greg Kurz
5c7adcf422 spapr: Rename xics to intc in interrupt controller agnostic code
All this code is used with both the XICS and XIVE interrupt controllers.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-17 21:54:02 +11:00
Marc-André Lureau
64c3f266dd chardev: add a note about frontend sources and context switch
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190206174328.9736-5-marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-13 16:46:39 +01:00
Marc-André Lureau
3d9e232240 char: update the mux handlers in class callback
Instead of handling mux chardev in a special way in
qemu_chr_fe_set_handlers(), we may use the chr_update_read_handler
class callback instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190206174328.9736-2-marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-13 15:36:14 +01:00
Paolo Bonzini
4ad6f6cb14 char: allow specifying a GMainContext at opening time
This will be needed by vhost-user-test, when each test switches to
its own GMainLoop and GMainContext.  Otherwise, for a reconnecting
socket the initial connection will happen on the default GMainContext,
and no one will be listening on it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190202110834.24880-1-pbonzini@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-02-13 14:23:39 +01:00
Daniel P. Berrangé
dbb44504c2 io: add qio_task_wait_thread to join with a background thread
Add the ability for a caller to wait for completion of the
background thread to synchronously dispatch its result, without
needing to wait for the main loop to run the idle callback.

This method needs very careful usage to avoid a dangerous
race condition with the free'ing of the task. The completion
callback is normally invoked from an idle callback registered
with the main loop context. The qio_task_wait_thread method
must only be called if the completion callback has not yet
run. The only safe way to achieve this is to run the
qio_task_wait_thread method from the thread that executes
the main loop.

It is generally a bad idea to use this method since it will
block execution of the main loop, however, the design of
the character devices and its usage from vhostuser already
requires blocking execution.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190211182442.8542-3-berrange@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-02-12 17:35:56 +01:00
Artem Pisarenko
7a9657ef53 chardev: fix mess in OPENED/CLOSED events when muxed
When chardev is multiplexed (mux=on) there are a lot of cases where
CHR_EVENT_OPENED/CHR_EVENT_CLOSED events pairing (expected from
frontend side) is broken. There are either generation of multiple
repeated or extra CHR_EVENT_OPENED events, or CHR_EVENT_CLOSED just
isn't generated at all.
This is mostly because 'qemu_chr_fe_set_handlers()' function makes its
own (and often wrong) implicit decision on updated frontend state and
invokes 'fd_event' callback with 'CHR_EVENT_OPENED'. And even worse,
it doesn't do symmetric action in opposite direction, as someone may
expect (i.e. it doesn't invoke previously set 'fd_event' with
'CHR_EVENT_CLOSED'). Muxed chardev uses trick by calling this function
again to replace callback handlers with its own ones, but it doesn't
account for such side effect.
Fix that using extended version of this function with added argument
for disabling side effect and keep original function for compatibility
with lots of frontends already using this interface and being
"tolerant" to its side effects.
One more source of event duplication is just line of code in
char-mux.c, which does far more than comment above says (obvious fix).

Signed-off-by: Artem Pisarenko <artem.k.pisarenko@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <7dde6abbd21682857f8294644013173c0b9949b3.1541507990.git.artem.k.pisarenko@gmail.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-02-12 17:35:56 +01:00
Andrey Shinkevich
1bf6e9ca92 bdrv_query_image_info Error parameter added
Inform a user in case qcow2_get_specific_info fails to obtain
QCOW2 image specific information. This patch is preliminary to
the one "qcow2: Add list of bitmaps to ImageInfoSpecificQCow2".

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <1549638368-530182-2-git-send-email-andrey.shinkevich@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2019-02-11 14:35:43 -06:00
Emilio G. Cota
ae56a2ff92 exec-all: document that tlb_fill can trigger a TLB resize
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20190209162745.12668-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-02-11 08:52:44 -08:00
Peter Maydell
e47f81b617 More work towards libslirp
Marc-André Lureau (27):
   slirp: generalize guestfwd with a callback based approach
   net/slirp: simplify checking for cmd: prefix
   net/slirp: free forwarding rules on cleanup
   net/slirp: fix leaks on forwarding rule registration error
   slirp: add callbacks for timer
   slirp: replace trace functions with DEBUG calls
   slirp: replace QEMU_PACKED with SLIRP_PACKED
   slirp: replace most qemu socket utilities with slirp own version
   slirp: replace qemu_set_nonblock()
   slirp: add unregister_poll_fd() callback
   slirp: replace qemu_notify_event() with a callback
   slirp: move QEMU state saving to a separate unit
   slirp: do not include qemu headers in libslirp.h public API header
   slirp: improve windows headers inclusion
   slirp: add slirp own version of pstrcpy
   slirp: remove qemu timer.h dependency
   slirp: remove now useless QEMU headers inclusions
   slirp: replace net/eth.h inclusion with own defines
   slirp: replace qemu qtailq with slirp own copy
   slirp: replace remaining qemu headers dependency
   slirp: prefer c99 types over BSD kind
   slirp: improve send_packet() callback
   slirp: replace global polling with per-instance & notifier
   slirp: remove slirp_instances list
   slirp: use polling callbacks, drop glib requirement
   slirp: pass opaque to all callbacks
   slirp: API is extern C
 
 Peter Maydell (2):
   slirp: Avoid marking naturally packed structs as QEMU_PACKED
   slirp: Don't mark struct ipq or struct ipasfrag as packed
 
 Samuel Thibault (3):
   slirp: Avoid unaligned 16bit memory access
   slirp: replace QEMU_BUILD_BUG_ON with G_STATIC_ASSERT
   slirp: Move g_spawn_async_with_fds_qemu compatibility to slirp/
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Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

More work towards libslirp

Marc-André Lureau (27):
  slirp: generalize guestfwd with a callback based approach
  net/slirp: simplify checking for cmd: prefix
  net/slirp: free forwarding rules on cleanup
  net/slirp: fix leaks on forwarding rule registration error
  slirp: add callbacks for timer
  slirp: replace trace functions with DEBUG calls
  slirp: replace QEMU_PACKED with SLIRP_PACKED
  slirp: replace most qemu socket utilities with slirp own version
  slirp: replace qemu_set_nonblock()
  slirp: add unregister_poll_fd() callback
  slirp: replace qemu_notify_event() with a callback
  slirp: move QEMU state saving to a separate unit
  slirp: do not include qemu headers in libslirp.h public API header
  slirp: improve windows headers inclusion
  slirp: add slirp own version of pstrcpy
  slirp: remove qemu timer.h dependency
  slirp: remove now useless QEMU headers inclusions
  slirp: replace net/eth.h inclusion with own defines
  slirp: replace qemu qtailq with slirp own copy
  slirp: replace remaining qemu headers dependency
  slirp: prefer c99 types over BSD kind
  slirp: improve send_packet() callback
  slirp: replace global polling with per-instance & notifier
  slirp: remove slirp_instances list
  slirp: use polling callbacks, drop glib requirement
  slirp: pass opaque to all callbacks
  slirp: API is extern C

Peter Maydell (2):
  slirp: Avoid marking naturally packed structs as QEMU_PACKED
  slirp: Don't mark struct ipq or struct ipasfrag as packed

Samuel Thibault (3):
  slirp: Avoid unaligned 16bit memory access
  slirp: replace QEMU_BUILD_BUG_ON with G_STATIC_ASSERT
  slirp: Move g_spawn_async_with_fds_qemu compatibility to slirp/

# gpg: Signature made Thu 07 Feb 2019 14:02:41 GMT
# gpg:                using RSA key E61DBB15D4172BDEC97E92D9DB550E89F0FA54F3
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" [unknown]
# 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: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: E61D BB15 D417 2BDE C97E  92D9 DB55 0E89 F0FA 54F3

* remotes/thibault/tags/samuel-thibault: (32 commits)
  slirp: API is extern C
  slirp: pass opaque to all callbacks
  slirp: use polling callbacks, drop glib requirement
  slirp: remove slirp_instances list
  slirp: replace global polling with per-instance & notifier
  slirp: improve send_packet() callback
  slirp: prefer c99 types over BSD kind
  slirp: replace remaining qemu headers dependency
  slirp: Move g_spawn_async_with_fds_qemu compatibility to slirp/
  slirp: replace QEMU_BUILD_BUG_ON with G_STATIC_ASSERT
  slirp: replace qemu qtailq with slirp own copy
  slirp: replace net/eth.h inclusion with own defines
  slirp: remove now useless QEMU headers inclusions
  slirp: remove qemu timer.h dependency
  slirp: add slirp own version of pstrcpy
  slirp: improve windows headers inclusion
  slirp: do not include qemu headers in libslirp.h public API header
  slirp: move QEMU state saving to a separate unit
  slirp: replace qemu_notify_event() with a callback
  slirp: add unregister_poll_fd() callback
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-07 18:53:25 +00:00