Commit Graph

62022 Commits

Author SHA1 Message Date
Alexey Kardashevskiy
d21bbcc655 pseries: Update SLOF firmware image to qemu-slof-20180621
The changes are:
1. fixed broken_sc1;
2. added switching between boot consoles;
3. added PXE boot.

The full list is:
 > lib/libnet/pxelinux: Fix two off-by-one bugs in the pxelinux.cfg parser
 > lib/libnet/pxelinux: Make the size handling for pxelinux_load_cfg more logical
 > libc: Add a simple implementation of an assert() function
 > libnet: Support UUID-based pxelinux.cfg file names
 > slof: Add a helper function to get the contents of a property in C code
 > libnet: Add support for DHCPv4 options 209 and 210
 > libnet: Wire up pxelinux.cfg network booting
 > libnet: Add functions for downloading and parsing pxelinux.cfg files
 > libnet: Put code for determing TFTP error strings into a separate function
 > libc: Add the snprintf() function
 > libnet: Pass ip_version via struct filename_ip
 > resolve ihandle and xt handle in the input command (like for the output)
 > Fix output word
 > obp-tftp: Make sure to not overwrite paflof in memory
 > libnet: Get rid of unused huge_load and block_size parameters
 > libc: Check for NULL pointers in free()
 > libc: Implement strrchr()
 > libnet: Get rid of unnecessary (char *) casts
 > broken_sc1: check for H_PRIVILEGE
 > OF: Use new property "stdout-path" for boot console

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-22 14:19:07 +10:00
BALATON Zoltan
0c8d8c8b8f target/ppc: Add missing opcode for icbt on PPC440
According to PPC440 User Manual PPC440 has multiple opcodes for icbt
instruction: one for compatibility with older cores and two 440
specific opcodes one of which is defined in BookE. QEMU only
implements two of these, add the missing one.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
BALATON Zoltan
ef9173a5c0 ppc4xx_i2c: Implement directcntl register
As well as being able to generate its own i2c transactions, the ppc4xx
i2c controller has a DIRECTCNTL register which allows explicit control
of the i2c lines.

Using this register an OS can directly bitbang i2c operations. In
order to let emulated i2c devices respond to this, we need to wire up
the DIRECTCNTL register to qemu's bitbanged i2c handling code.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
BALATON Zoltan
39aeba6caa ppc4xx_i2c: Remove unimplemented sdata and intr registers
We don't emulate slave mode so related registers are not needed.
[lh]sadr are only retained to avoid too many warnings and simplify
debugging but sdata is not even correct because device has a 4 byte
FIFO instead so just remove this unimplemented register for now.

The intr register is also not implemented correctly, it is for
diagnostics and normally not even visible on device without explicitly
enabling it. As no guests are known to need this remove it as well.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Sebastian Bauer
a69232e2a3 sm501: Fix hardware cursor color conversion
According to the sm501 specs the hardware cursor colors are to be given in
the rgb565 format, but the code currently interprets them as bgr565.

Therefore, the colors of the hardware cursors are wrong in the QEMU
display, e.g., the standard mouse pointer of AmigaOS appears blue instead
of red. This change fixes this issue by replacing the existing naive
bgr565 => rgb888 conversion with a standard rgb565 => rgb888 one that also
scales the color component values properly.

Signed-off-by: Sebastian Bauer <mail@sebastianbauer.info>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
John Arbuckle
88d8d5555d fpu_helper.c: fix helper_fpscr_clrbit() function
Fix the helper_fpscr_clrbit() function so it correctly sets the FEX
and VX bits.

Determining the value for the Floating Point Status and Control
Register's (FPSCR) FEX bit is suppose to be done like this:

FEX = (VX & VE) | (OX & OE) | (UX & UE) | (ZX & ZE) | (XX & XE))

It is described as "the logical OR of all the floating-point exception
bits masked by their respective enable bits". It was not implemented
correctly. The value of FEX would stay on even when all other bits
were set to off.

The VX bit is described as "the logical OR of all of the invalid
operation exceptions". This bit was also not implemented correctly. It
too would stay on when all the other bits were set to off.

My main source of information is an IBM document called:

PowerPC Microprocessor Family:
The Programming Environments for 32-Bit Microprocessors

Page 62 is where the FPSCR information is located.

This is an older copy than the one I use but it is still very useful:
https://www.pdfdrive.net/powerpc-microprocessor-family-the-programming-environments-for-32-e3087633.html

I use a G3 and G5 iMac to compare bit values with QEMU. This patch
fixed all the problems I was having with these bits.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
[dwg: Re-wrapped commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
71b5c8d26e spapr: remove unused spapr_irq routines
spapr_irq_alloc_block and spapr_irq_alloc() are now deprecated.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
4fe75a8ccd spapr: split the IRQ allocation sequence
Today, when a device requests for IRQ number in a sPAPR machine, the
spapr_irq_alloc() routine first scans the ICSState status array to
find an empty slot and then performs the assignement of the selected
numbers. Split this sequence in two distinct routines : spapr_irq_find()
for lookups and spapr_irq_claim() for claiming the IRQ numbers.

This will ease the introduction of a static layout of IRQ numbers.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
David Gibson
24c6863c7b target/ppc: Add kvmppc_hpt_needs_host_contiguous_pages() helper
KVM HV has a restriction that for HPT mode guests, guest pages must be hpa
contiguous as well as gpa contiguous.  We have to account for that in
various places.  We determine whether we're subject to this restriction
from the SMMU information exposed by KVM.

Planned cleanups to the way we handle this will require knowing whether
this restriction is in play in wider parts of the code.  So, expose a
helper function which returns it.

This does mean some redundant calls to kvm_get_smmu_info(), but they'll go
away again with future cleanups.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
2018-06-21 21:22:53 +10:00
David Gibson
e2e4f64118 spapr: Add cpu_apply hook to capabilities
spapr capabilities have an apply hook to actually activate (or deactivate)
the feature in the system at reset time.  However, a number of capabilities
affect the setup of cpus, and need to be applied to each of them -
including hotplugged cpus for extra complication.  To make this simpler,
add an optional cpu_apply hook that is called from spapr_cpu_reset().

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
2018-06-21 21:22:53 +10:00
David Gibson
9f6edd066e spapr: Compute effective capability values earlier
Previously, the effective values of the various spapr capability flags
were only determined at machine reset time.  That was a lazy way of making
sure it was after cpu initialization so it could use the cpu object to
inform the defaults.

But we've now improved the compat checking code so that we don't need to
instantiate the cpus to use it.  That lets us move the resolution of the
capability defaults much earlier.

This is going to be necessary for some future capabilities.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
2018-06-21 21:22:53 +10:00
David Gibson
ad99d04c76 target/ppc: Allow cpu compatiblity checks based on type, not instance
ppc_check_compat() is used in a number of places to check if a cpu object
supports a certain compatiblity mode, subject to various constraints.

It takes a PowerPCCPU *, however it really only depends on the cpu's class.
We have upcoming cases where it would be useful to make compatibility
checks before we fully instantiate the cpu objects.

ppc_type_check_compat() will now make an equivalent check, but based on a
CPU's QOM typename instead of an instantiated CPU object.

We make use of the new interface in several places in spapr, where we're
essentially making a global check, rather than one specific to a particular
cpu.  This avoids some ugly uses of first_cpu to grab a "representative"
instance.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
bb7ab95c96 ppc/pnv: consolidate the creation of the ISA bus device tree
The device tree node of the ISA bus was being partially done in
different places. Move all the nodes creation under the same routine.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
77864267c3 ppc/pnv: introduce Pnv8Chip and Pnv9Chip models
It introduces a base PnvChip class from which the specific processor
chip classes, Pnv8Chip and Pnv9Chip, inherit. Each of them needs to
define an init and a realize routine which will create the controllers
of the target processor. For the moment, the base PnvChip class
handles the XSCOM bus and the cores.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Greg Kurz
7f9fe3f02d spapr_cpu_core: migrate VPA related state
QEMU implements the "Shared Processor LPAR" (SPLPAR) option, which allows
the hypervisor to time-slice a physical processor into multiple virtual
processor. The intent is to allow more guests to run, and to optimize
processor utilization.

The guest OS can cede idle VCPUs, so that their processing capacity may
be used by other VCPUs, with the H_CEDE hcall. The guest OS can also
optimize spinlocks, by confering the time-slice of a spinning VCPU to the
spinlock holder if it's currently notrunning, with the H_CONFER hcall.

Both hcalls depend on a "Virtual Processor Area" (VPA) to be registered
by the guest OS, generally during early boot. Other per-VCPU areas can
be registered: the "SLB Shadow Buffer" which allows a more efficient
dispatching of VCPUs, and the "Dispatch Trace Log Buffer" (DTL) which
is used to compute time stolen by the hypervisor. Both DTL and SLB Shadow
areas depend on the VPA to be registered.

The VPA/SLB Shadow/DTL are state that QEMU should migrate, but this doesn't
happen, for no apparent reason other than it was just never coded. This
causes the features listed above to stop working after migration, and it
breaks the logic of the H_REGISTER_VPA hcall in the destination.

The VPA is set at the guest request, ie, we don't have to migrate
it before the guest has actually set it. This patch hence adds an
"spapr_cpu/vpa" subsection to the recently introduced per-CPU machine
data migration stream.

Since DTL and SLB Shadow are optional and both depend on VPA, they get
their own subsections "spapr_cpu/vpa/slb_shadow" and "spapr_cpu/vpa/dtl"
hanging from the "spapr_cpu/vpa" subsection.

Note that this won't break migration to older QEMUs. Is is already handled
by only registering the vmstate handler for per-CPU data with newer machine
types.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Greg Kurz
b94020268e spapr_cpu_core: migrate per-CPU data
A per-CPU machine data pointer was recently added to PowerPCCPU. The
motivation is to to hide platform specific details from the core CPU
code. This per-CPU data can hold state which is relevant to the guest
though, eg, Virtual Processor Areas, and we should migrate this state.

This patch adds the plumbing so that we can migrate the per-CPU data
for PAPR guests. We only do this for newer machine types for the sake
of backward compatibility. No state is migrated for the moment: the
vmstate_spapr_cpu_state structure will be populated by subsequent
patches.

Signed-off-by: Greg Kurz <groug@kaod.org>
[dwg: Fix some trivial spelling and spacing errors]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
04026890f2 ppc/pnv: introduce a new isa_create() operation to the chip model
This moves the details of the ISA bus creation under the LPC model but
more important, the new PnvChip operation will let us choose the chip
class to use when we introduce the different chip classes for Power9
and Power8. It hides away the processor chip controllers from the
machine.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Cédric Le Goater
d35aefa9ae ppc/pnv: introduce a new intc_create() operation to the chip model
On Power9, the thread interrupt presenter has a different type and is
linked to the chip owning the cores.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-06-21 21:22:53 +10:00
Peter Maydell
46012db666 - cleanup in virtio-ccw
- accommodate guests using vfio-ccw without specifying unlimited
   prefetch, but actually working fine
 - add cpu model for the z14 Model ZR1
 - add support for pxelinux.cfg-style network booting to the s390x
   firmware
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180619' into staging

- cleanup in virtio-ccw
- accommodate guests using vfio-ccw without specifying unlimited
  prefetch, but actually working fine
- add cpu model for the z14 Model ZR1
- add support for pxelinux.cfg-style network booting to the s390x
  firmware

# gpg: Signature made Tue 19 Jun 2018 10:33:06 BST
# gpg:                using RSA key DECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20180619:
  pc-bios/s390-ccw: Update the s390-netboot.img binary
  pc-bios/s390-ccw: Optimize the s390-netboot.img for size
  pc-bios/s390-ccw/net: Try to load pxelinux.cfg file accoring to the UUID
  pc-bios/s390-ccw/net: Add support for pxelinux-style config files
  pc-bios/s390-ccw/net: Update code for the latest changes in SLOF
  roms: Update SLOF submodule to current status
  pc-bios/s390-ccw: define loadparm length
  s390x/cpumodels: add z14 Model ZR1
  s390x/ipl: Try to detect Linux vs non Linux for initial IPL PSW
  vfio-ccw: remove orb.c64 (64 bit data addresses) check
  vfio-ccw: add force unlimited prefetch property
  virtio-ccw: clean up notify

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-20 09:51:30 +01:00
Peter Maydell
eee4baef4a qemu-openbios queue
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 =IMfe
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Merge remote-tracking branch 'remotes/mcayland/tags/qemu-openbios-20180618' into staging

qemu-openbios queue

# gpg: Signature made Mon 18 Jun 2018 19:28:08 BST
# gpg:                using RSA key 5BC2C56FAE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* remotes/mcayland/tags/qemu-openbios-20180618:
  Update OpenBIOS images to 8fe6f5f96f built from submodule.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 18:29:16 +01:00
Peter Maydell
79449bc311 qemu-sparc queue
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Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-20180618' into staging

qemu-sparc queue

# gpg: Signature made Mon 18 Jun 2018 18:43:24 BST
# gpg:                using RSA key 5BC2C56FAE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* remotes/mcayland/tags/qemu-sparc-20180618:
  SPARC64: add icount support
  hw/sparc/sun4m: Fix problems with device introspection
  hw/sparc64/sun4u: Fix introspection by converting prom instance_init to realize

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 17:42:50 +01:00
Peter Maydell
727f8d87aa Place parallel device properly, fixing vga
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Merge remote-tracking branch 'remotes/rth/tags/pull-axp-20180618' into staging

Place parallel device properly, fixing vga

# gpg: Signature made Mon 18 Jun 2018 17:45:50 BST
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-axp-20180618:
  hw/isa/smc37c669: Change the parallel I/O base to 378H

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 16:57:43 +01:00
Peter Maydell
0f01b9fdd4 Block layer patches:
- Active mirror (blockdev-mirror copy-mode=write-blocking)
 - bdrv_drain_*() fixes and test cases
 - Fix crash with scsi-hd and drive_del
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 gfwseeFxdLfWV/bNylYd9FZJSs2NoZhNrw+qghIkJ9hTO2YJguCLqQTtJzT2gTXT
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 =6Krl
 -----END PGP SIGNATURE-----

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

Block layer patches:

- Active mirror (blockdev-mirror copy-mode=write-blocking)
- bdrv_drain_*() fixes and test cases
- Fix crash with scsi-hd and drive_del

# gpg: Signature made Mon 18 Jun 2018 17:44:10 BST
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (35 commits)
  iotests: Add test for active mirroring
  block/mirror: Add copy mode QAPI interface
  block/mirror: Add active mirroring
  job: Add job_progress_increase_remaining()
  block/mirror: Add MirrorBDSOpaque
  block/dirty-bitmap: Add bdrv_dirty_iter_next_area
  test-hbitmap: Add non-advancing iter_next tests
  hbitmap: Add @advance param to hbitmap_iter_next()
  block: Generalize should_update_child() rule
  block/mirror: Use source as a BdrvChild
  block/mirror: Wait for in-flight op conflicts
  block/mirror: Use CoQueue to wait on in-flight ops
  block/mirror: Convert to coroutines
  block/mirror: Pull out mirror_perform()
  block: fix QEMU crash with scsi-hd and drive_del
  test-bdrv-drain: Test graph changes in drain_all section
  block: Allow graph changes in bdrv_drain_all_begin/end sections
  block: ignore_bds_parents parameter for drain functions
  block: Move bdrv_drain_all_begin() out of coroutine context
  block: Allow AIO_WAIT_WHILE with NULL ctx
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 16:04:43 +01:00
Peter Maydell
a01fba4687 Monitor patches for 2018-06-18
-----BEGIN PGP SIGNATURE-----
 
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 88NYJ8j2FnVNLoLGQzlC
 =Zvtw
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2018-06-18' into staging

Monitor patches for 2018-06-18

# gpg: Signature made Mon 18 Jun 2018 14:50:29 BST
# gpg:                using RSA key 3870B400EB918653
# 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-monitor-2018-06-18:
  monitor: add lock to protect mon_fdsets
  monitor: move init global earlier
  monitor: remove event_clock_type
  monitor: fix comment for monitor_lock
  monitor: more comments on lock-free elements
  monitor: protect mon->fds with mon_lock
  monitor: rename out_lock to mon_lock

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 15:19:07 +01:00
Peter Maydell
e8729c154b input: ps2 post_load fix.
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =3Bzg
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/input-20180618-pull-request' into staging

input: ps2 post_load fix.

# gpg: Signature made Mon 18 Jun 2018 11:18:30 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/input-20180618-pull-request:
  ps2: check PS2Queue wptr pointer in post_load routine

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 14:34:06 +01:00
Peter Maydell
59926de998 vga: add ramfb, print virglrenderer version
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 T6U1DNus9BS7W+UnH+Fw
 =x6JE
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180618-pull-request' into staging

vga: add ramfb, print virglrenderer version

# gpg: Signature made Mon 18 Jun 2018 10:57:38 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20180618-pull-request:
  Add ramfb MAINTAINERS entry
  hw/display: add standalone ramfb device
  hw/display: add ramfb, a simple boot framebuffer living in guest ram
  configure: print virglrenderer version

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 13:43:35 +01:00
Peter Maydell
be33f56c76 usb: revert ccid / qom patches.
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =bMTY
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/usb-20180618-pull-request' into staging

usb: revert ccid / qom patches.

# gpg: Signature made Mon 18 Jun 2018 10:21:11 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/usb-20180618-pull-request:
  Revert "bus: do not unref the added child bus on realize"
  Revert "usb: release the created buses"
  Revert "usb-ccid: fix bus leak"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 12:58:06 +01:00
Peter Maydell
e4a9a7303a ppc patch queue 2018-06-18
Next batch of ppc and spapr related patches for the 3.0 release.
     * Improved handling of Spectre/Meltdown mitigations for POWER8
     * Numerous Mac machine type cleanups and improvements
     * Cleanup to cpu realize/unrealize path for spapr
     * Create a place for machine-specific per-cpu information, and
       start moving some things to it
     * Assorted bugfixes
 -----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.0-20180618' into staging

ppc patch queue 2018-06-18

Next batch of ppc and spapr related patches for the 3.0 release.
    * Improved handling of Spectre/Meltdown mitigations for POWER8
    * Numerous Mac machine type cleanups and improvements
    * Cleanup to cpu realize/unrealize path for spapr
    * Create a place for machine-specific per-cpu information, and
      start moving some things to it
    * Assorted bugfixes

# gpg: Signature made Mon 18 Jun 2018 04:52:37 BST
# gpg:                using RSA key 6C38CACA20D9B392
# 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:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-3.0-20180618: (28 commits)
  spapr: fix xics_system_init() error path
  target/ppc, spapr: Move VPA information to machine_data
  ppc/pnv: introduce a pnv_chip_core_realize() routine
  spapr_cpu_core: introduce spapr_create_vcpu()
  spapr_cpu_core: add missing rollback on realization path
  spapr_cpu_core: fix potential leak in spapr_cpu_core_realize()
  spapr_cpu_core: convert last snprintf() to g_strdup_printf()
  pnv: Add cpu unrealize path
  pnv: Clean up cpu realize path
  pnv_core: Allocate cpu thread objects individually
  pnv: Fix some error handling cpu realize()
  spapr: Clean up cpu realize/unrealize paths
  sm501: Do not clear read only bits when writing registers
  mos6522: expose mos6522_update_irq() through MOS6522DeviceClass
  mos6522: remove additional interrupt flag filter from mos6522_update_irq()
  mos6522: only clear the shift register interrupt upon write
  xics_kvm: fix a build break
  mac_newworld: add PMU device
  adb: add property to disable direct reg 3 writes
  adb: fix read reg 3 byte ordering
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 11:15:27 +01:00
Peter Maydell
c5ee5cd9db Python queue, 2018-06-15
* Add avocado_qemu: functional/acceptance test infrastructure
 -----BEGIN PGP SIGNATURE-----
 
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 =hk5m
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2018-06-15

* Add avocado_qemu: functional/acceptance test infrastructure

# gpg: Signature made Fri 15 Jun 2018 20:12:20 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  configure: Enable out-of-tree acceptance tests
  Acceptance tests: add Linux kernel boot and console checking test
  scripts/qemu.py: introduce set_console() method
  Acceptance tests: add quick VNC tests
  scripts/qemu.py: allow adding to the list of extra arguments
  Add functional/acceptance tests infrastructure
  Remove COPYING.PYTHON

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-19 10:10:40 +01:00
Mark Cave-Ayland
5b20e4cace Update OpenBIOS images to 8fe6f5f96f built from submodule.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2018-06-18 19:22:16 +01:00
Kevin Wolf
4c790afe25 Block patches:
- Active mirror (blockdev-mirror copy-mode=write-blocking)
 -----BEGIN PGP SIGNATURE-----
 
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 =iQvl
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'mreitz/tags/pull-block-2018-06-18' into queue-block

Block patches:
- Active mirror (blockdev-mirror copy-mode=write-blocking)

# gpg: Signature made Mon Jun 18 17:08:19 2018 CEST
# gpg:                using RSA key F407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* mreitz/tags/pull-block-2018-06-18:
  iotests: Add test for active mirroring
  block/mirror: Add copy mode QAPI interface
  block/mirror: Add active mirroring
  job: Add job_progress_increase_remaining()
  block/mirror: Add MirrorBDSOpaque
  block/dirty-bitmap: Add bdrv_dirty_iter_next_area
  test-hbitmap: Add non-advancing iter_next tests
  hbitmap: Add @advance param to hbitmap_iter_next()
  block: Generalize should_update_child() rule
  block/mirror: Use source as a BdrvChild
  block/mirror: Wait for in-flight op conflicts
  block/mirror: Use CoQueue to wait on in-flight ops
  block/mirror: Convert to coroutines
  block/mirror: Pull out mirror_perform()

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-06-18 17:20:42 +02:00
Cornelia Huck
49b67e9440 Add support for pxelinux.cfg-style network booting to the s390x firmware
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge tag 'tags/s390x-2018-06-18' into staging

Add support for pxelinux.cfg-style network booting to the s390x firmware

# gpg: Signature made Mon 18 Jun 2018 03:59:06 PM CEST
# gpg:                using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]

* tag 'tags/s390x-2018-06-18':
  pc-bios/s390-ccw: Update the s390-netboot.img binary
  pc-bios/s390-ccw: Optimize the s390-netboot.img for size
  pc-bios/s390-ccw/net: Try to load pxelinux.cfg file accoring to the UUID
  pc-bios/s390-ccw/net: Add support for pxelinux-style config files
  pc-bios/s390-ccw/net: Update code for the latest changes in SLOF
  roms: Update SLOF submodule to current status
  pc-bios/s390-ccw: define loadparm length

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-06-18 17:05:39 +02:00
Max Reitz
e38da02091 iotests: Add test for active mirroring
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-15-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:05:17 +02:00
Max Reitz
481debaa32 block/mirror: Add copy mode QAPI interface
This patch allows the user to specify whether to use active or only
background mode for mirror block jobs.  Currently, this setting will
remain constant for the duration of the entire block job.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-14-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:05:16 +02:00
Max Reitz
d06107ade0 block/mirror: Add active mirroring
This patch implements active synchronous mirroring.  In active mode, the
passive mechanism will still be in place and is used to copy all
initially dirty clusters off the source disk; but every write request
will write data both to the source and the target disk, so the source
cannot be dirtied faster than data is mirrored to the target.  Also,
once the block job has converged (BLOCK_JOB_READY sent), source and
target are guaranteed to stay in sync (unless an error occurs).

Active mode is completely optional and currently disabled at runtime.  A
later patch will add a way for users to enable it.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180613181823.13618-13-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:05:15 +02:00
Max Reitz
62f1360059 job: Add job_progress_increase_remaining()
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180613181823.13618-12-mreitz@redhat.com
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:05:11 +02:00
Max Reitz
429076e88d block/mirror: Add MirrorBDSOpaque
This will allow us to access the block job data when the mirror block
driver becomes more complex.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180613181823.13618-11-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:59 +02:00
Max Reitz
72d10a9421 block/dirty-bitmap: Add bdrv_dirty_iter_next_area
This new function allows to look for a consecutively dirty area in a
dirty bitmap.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180613181823.13618-10-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:57 +02:00
Max Reitz
269576848e test-hbitmap: Add non-advancing iter_next tests
Add a function that wraps hbitmap_iter_next() and always calls it in
non-advancing mode first, and in advancing mode next.  The result should
always be the same.

By using this function everywhere we called hbitmap_iter_next() before,
we should get good test coverage for non-advancing hbitmap_iter_next().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180613181823.13618-9-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:56 +02:00
Max Reitz
a33fbb4f8b hbitmap: Add @advance param to hbitmap_iter_next()
This new parameter allows the caller to just query the next dirty
position without moving the iterator.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180613181823.13618-8-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:55 +02:00
Max Reitz
ec9f10fe06 block: Generalize should_update_child() rule
Currently, bdrv_replace_node() refuses to create loops from one BDS to
itself if the BDS to be replaced is the backing node of the BDS to
replace it: Say there is a node A and a node B.  Replacing B by A means
making all references to B point to A.  If B is a child of A (i.e. A has
a reference to B), that would mean we would have to make this reference
point to A itself -- so we'd create a loop.

bdrv_replace_node() (through should_update_child()) refuses to do so if
B is the backing node of A.  There is no reason why we should create
loops if B is not the backing node of A, though.  The BDS graph should
never contain loops, so we should always refuse to create them.

If B is a child of A and B is to be replaced by A, we should simply
leave B in place there because it is the most sensible choice.

A more specific argument would be: Putting filter drivers into the BDS
graph is basically the same as appending an overlay to a backing chain.
But the main child BDS of a filter driver is not "backing" but "file",
so restricting the no-loop rule to backing nodes would fail here.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-7-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:54 +02:00
Max Reitz
138f9fffb8 block/mirror: Use source as a BdrvChild
With this, the mirror_top_bs is no longer just a technically required
node in the BDS graph but actually represents the block job operation.

Also, drop MirrorBlockJob.source, as we can reach it through
mirror_top_bs->backing.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-6-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:54 +02:00
Max Reitz
1181e19a6d block/mirror: Wait for in-flight op conflicts
This patch makes the mirror code differentiate between simply waiting
for any operation to complete (mirror_wait_for_free_in_flight_slot())
and specifically waiting for all operations touching a certain range of
the virtual disk to complete (mirror_wait_on_conflicts()).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180613181823.13618-5-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:53 +02:00
Max Reitz
12aa40822d block/mirror: Use CoQueue to wait on in-flight ops
Attach a CoQueue to each in-flight operation so if we need to wait for
any we can use it to wait instead of just blindly yielding and hoping
for some operation to wake us.

A later patch will use this infrastructure to allow requests accessing
the same area of the virtual disk to specifically wait for each other.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180613181823.13618-4-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:52 +02:00
Max Reitz
2e1990b26e block/mirror: Convert to coroutines
In order to talk to the source BDS (and maybe in the future to the
target BDS as well) directly, we need to convert our existing AIO
requests into coroutine I/O requests.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180613181823.13618-3-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:48 +02:00
Max Reitz
4295c5fc61 block/mirror: Pull out mirror_perform()
When converting mirror's I/O to coroutines, we are going to need a point
where these coroutines are created.  mirror_perform() is going to be
that point.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-2-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-06-18 17:04:43 +02:00
Peter Xu
474514668b monitor: add lock to protect mon_fdsets
Introduce a new global big lock for mon_fdsets.  Take it where needed.

The monitor_fdset_get_fd() handling is a bit tricky: now we need to call
qemu_mutex_unlock() which might pollute errno, so we need to make sure
the correct errno be passed up to the callers.  To make things simpler,
we let monitor_fdset_get_fd() return the -errno directly when error
happens, then in qemu_open() we move it back into errno.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180608035511.7439-8-peterx@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-06-18 15:48:22 +02:00
Peter Xu
d32749deb6 monitor: move init global earlier
Before this patch, monitor fd helpers might be called even earlier than
monitor_init_globals().  This can be problematic.

After previous work, now monitor_init_globals() does not depend on
accelerator initialization any more.  Call it earlier (before CLI
parsing; that's where the monitor APIs might be called) to make sure it
is called before any of the monitor APIs.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180608035511.7439-7-peterx@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-06-18 15:48:22 +02:00
Peter Xu
6e8c5f4db7 monitor: remove event_clock_type
Instead, use a dynamic function to detect which clock we'll use.  The
problem is that the old code will let monitor initialization depend on
configure_accelerator() (that's where qtest_enabled() start to take
effect).  After this change, we don't have such a dependency any more.
We just need to make sure configure_accelerator() is called when we
start to use it.  Now it's only used in monitor_qapi_event_queue() and
monitor_qapi_event_handler(), so we're good.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180608035511.7439-6-peterx@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[monitor_get_event_clock() name and comment tweaked]
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-06-18 15:47:06 +02:00
Peter Xu
095cb1bffc monitor: fix comment for monitor_lock
Fix typo in d622cb5879.  Meanwhile move these variables close to each
other.  monitor_qapi_event_state can be declared static, add that.

Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180608035511.7439-5-peterx@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-06-18 15:45:29 +02:00