Commit Graph

97260 Commits

Author SHA1 Message Date
Thomas Huth 2ba3cc4767 pc-bios/s390-ccw: Add a proper prototype for main()
Older versions of Clang complain if there is no prototype for main().
Add one, and while we're at it, make sure that we use the same type
for main.c and netmain.c - since the return value does not matter,
declare the return type of main() as "void".

Message-Id: <20220704111903.62400-2-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-07-06 18:33:26 +02:00
Richard Henderson 0e3723005b Pull request m68k 20220706
pass RNG seed via bootinfo block
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Merge tag 'm68k-for-7.1-pull-request' of https://github.com/vivier/qemu-m68k into staging

Pull request m68k 20220706

pass RNG seed via bootinfo block

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# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [undefined]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [undefined]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'm68k-for-7.1-pull-request' of https://github.com/vivier/qemu-m68k:
  m68k: virt: pass RNG seed via bootinfo block
  m68k: use correct variable name in boot info string macro

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-06 20:36:38 +05:30
Pali Rohár 0b83377f46 target/ppc: Fix MPC8555 and MPC8560 core type to e500v1
Commit 80d11f4467 ("Add definitions for Freescale PowerPC implementations")
changed core type of MPC8555 and MPC8560 from e500v1 to e500v2.

But both MPC8555 and MPC8560 have just e500v1 cores, there are no features
of e500v2 cores. It can be verified by reading NXP documentations:
https://www.nxp.com/docs/en/data-sheet/MPC8555EEC.pdf
https://www.nxp.com/docs/en/data-sheet/MPC8560EC.pdf
https://www.nxp.com/docs/en/reference-manual/MPC8555ERM.pdf
https://www.nxp.com/docs/en/reference-manual/MPC8560RM.pdf

Therefore fix core type of MPC8555 and MPC8560 back to e500v1.

Just for completeness, here is list of all Motorola/Freescale/NXP
processors which were released and have e500v1 or e500v2 cores:

e500v1: MPC8540 MPC8541 MPC8555 MPC8560

e500v2: BSC9131 BSC9132
        C291 C292 C293
        MPC8533 MPC8535 MPC8536 MPC8543 MPC8544 MPC8545 MPC8547
        MPC8548 MPC8567 MPC8568 MPC8569 MPC8572
        P1010 P1011 P1012 P1013 P1014 P1015 P1016 P1020 P1021
        P1022 P1024 P1025 P2010 P2020

Sorted alphabetically; not by release date / generation / feature set.
All this is from public information available on NXP website.

Seems that qemu has support only for some subset of MPC85xx processors.
Historically processors with e500 cores have mpc85xx family codename and
lot of software have them in mpc85xx architecture subdirectory.

Note that GCC uses -mcpu=8540 option for specifying e500v1 core and
-mcpu=8548 option for specifying e500v2 core.

So sometimes (mpc)8540 is alias for e500v1 and (mpc)8548 is alias for
e500v2.

Fixes: 80d11f4467 ("Add definitions for Freescale PowerPC implementations")
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220703195029.23793-1-pali@kernel.org>
[danielhb: added more context in the commit msg]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:30:01 -03:00
Thomas Huth 7886605961 target/ppc/cpu-models: Remove the "default" CPU alias
QEMU emulates a *lot* of PowerPC-based machines - having a CPU
that is named "default" and cannot be used with most of those
machines sounds just wrong. Thus let's remove this old and confusing
alias now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220705151030.662140-1-thuth@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:23:39 -03:00
Murilo Opsfelder Araujo c7e89de132 target/ppc: Return default CPU for max CPU
All ppc CPUs represent hardware that exists in the real world, i.e.: we
do not have a "max" CPU with all possible emulated features enabled.
Return the default CPU type for the machine because that has greater
chance of being useful as the "max" CPU.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1038
Cc: Cédric Le Goater <clg@kaod.org>
Cc: Daniel Henrique Barboza <danielhb413@gmail.com>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Cc: Greg Kurz <groug@kaod.org>
Cc: Matheus K. Ferst <matheus.ferst@eldorado.org.br>
Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220628205513.81917-1-muriloo@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 6b924d4afc target/ppc: implement cdtbcd
Implements the Convert Declets To Binary Coded Decimal instruction.
Since libdecnumber doesn't expose the methods for direct conversion
(decDigitsFromDPD, DPD2BCD, etc), a positive decimal32 with zero
exponent is used as an intermediate value to convert the declets.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220629162904.105060-12-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 38d3690bda target/ppc: implement cbcdtd
Implements the Convert Binary Coded Decimal To Declets instruction.
Since libdecnumber doesn't expose the methods for direct conversion
(decDigitsToDPD, BCD2DPD, etc.), the BCD values are converted to
decimal32 format, from which the declets are extracted.

Where the behavior is undefined, we try to match the result observed in
a POWER9 DD2.3.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220629162904.105060-11-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 6addef4d27 target/ppc: implement addg6s
Implements the following Power ISA v2.06 instruction:
addg6s: Add and Generate Sixes

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220629162904.105060-10-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 4dc5f8abdc target/ppc: Add flag for ISA v2.06 BCDA instructions
Adds an insns_flags2 for the BCD assist instructions introduced in
Power ISA 2.06. These instructions are not listed in the manuals for
e5500[1] and e6500[2], so the flag is only added for POWER7/8/9/10
models.

[1] https://www.nxp.com/files-static/32bit/doc/ref_manual/EREF_RM.pdf
[2] https://www.nxp.com/docs/en/reference-manual/E6500RM.pdf

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220629162904.105060-9-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo 7141a173c8 tests/tcg/ppc64: Add mffsce test
Add mffsce test to check both the return value and the new fpscr
stored in the cpu.

Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-8-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo 6cef305fe7 target/ppc: Implement mffscdrn[i] instructions
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-7-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo f80d04d548 target/ppc: Move mffs[.] to decodetree
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-6-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo 3e5bce70ef target/ppc: Move mffsl to decodetree
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-5-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo 394c2e2fda target/ppc: Move mffsce to decodetree
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-4-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo bf8adfd88b target/ppc: Move mffscrn[i] to decodetree
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220629162904.105060-3-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Víctor Colombo bbecdb22ae target/ppc: Fix insn32.decode style issues
Some lines in insn32.decode have inconsistent alignment when compared
to others.
Fix this by changing the alignment of some lines, making it more
consistent throughout the file.

Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220629162904.105060-2-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Alexey Kardashevskiy 81b205cecf ppc/spapr: Implement H_WATCHDOG
The new PAPR 2.12 defines a watchdog facility managed via the new
H_WATCHDOG hypercall.

This adds H_WATCHDOG support which a proposed driver for pseries uses:
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=303120

This was tested by running QEMU with a debug kernel and command line:
-append \
 "pseries-wdt.timeout=60 pseries-wdt.nowayout=1 pseries-wdt.action=2"

and running "echo V > /dev/watchdog0" inside the VM.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220622051008.1067464-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Alexey Kardashevskiy 95444afcab ppc: Define SETFIELD for the ppc target
It keeps repeating, move it to the header. This uses __builtin_ffsll() to
allow using the macros in #define.

This is not using the QEMU's FIELD macros as this would require changing
all such macros found in skiboot (the PPC PowerNV firmware).

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220628080544.1509428-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst b7d30fae5b target/ppc: use int128.h methods in vsubcuq
And also move the insn to decodetree and remove the now unused
avr_qw_not, avr_qw_cmpu, and avr_qw_add methods.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-8-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst e6a5ad43de target/ppc: use int128.h methods in vsubecuq and vsubeuqm
And also move the insns to decodetree.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-7-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst b132be53a4 target/ppc: use int128.h methods in vsubuqm
And also move the insn to decodetree

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-6-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 8290ea509f target/ppc: use int128.h methods in vaddcuq
And also move the insn to decodetree.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-5-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 896d92c81d target/ppc: use int128.h methods in vaddecuq and vaddeuqm
And also move the insns to decodetree and remove the now unused
avr_qw_addc method.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:38 -03:00
Matheus Ferst 7ca0428687 target/ppc: use int128.h methods in vadduqm
And also move the insn to decodetree.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Matheus Ferst e82ca8acdd target/ppc: use int128.h methods in vpmsumd
Also drop VECTOR_FOR_INORDER_I usage since there is no need to access
the elements in any particular order, and move the instruction to
decodetree.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Alexey Kardashevskiy c0e765dafb spapr/ddw: Implement 64bit query extension
PAPR 2.8 (2018) defines an extension to return 64bit value for
the largest TCE block in "ibm,query-pe-dma-window". Recent Linux kernels
support this already.

This adds the extension and supports the older format.

This advertises a bigger window for the new format as the biggest
window with 2M pages below the start of the 64bit window as it is
the maximum we will see in practice.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220623073136.1380214-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Alexey Kardashevskiy 31cc81f728 spapr/ddw: Reset DMA when the last non-default window is removed
PAPR+/LoPAPR says:
===
The platform must restore the default DMA window for the PE on a call
to the ibm,remove-pe-dma-window RTAS call when all of the following
are true:
 a. The call removes the last DMA window remaining for the PE.
 b. The DMA window being removed is not the default window

===

This resets DMA as PAPR mandates.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220622052955.1069903-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Víctor Colombo 59f11543e2 target/ppc: Change FPSCR_* to follow POWER ISA numbering convention
FPSCR_* bit values in QEMU are in the 'inverted' order from what Power
ISA defines (e.g. FPSCR.FI is bit 46 but is defined as 17 in cpu.h).
Now that PPC_BIT_NR macro was introduced to fix this situation for the
MSR bits, we can use it for the FPSCR bits too.

Also, adjust the comments to make then fit in 80 columns

Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220622193203.127698-1-victor.colombo@eldorado.org.br>
[danielhb: fixed 'exceptio' typo in target/ppc/cpu.h]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 21870aab36 ppc/pnv: remove 'INTERFACE_PCIE_DEVICE' from phb4 root bus
It's unneeded. No other PCIE_BUS implements this interface.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Fixes: 4f9924c4d4 ("ppc/pnv: Add models for POWER9 PHB4 PCIe Host bridge")
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-9-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 71cd3e5ecb ppc/pnv: remove 'INTERFACE_PCIE_DEVICE' from phb3 root bus
It's unneeded. No other PCIE_BUS implements this interface.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Fixes: 9ae1329ee2 ("ppc/pnv: Add models for POWER8 PHB3 PCIe Host bridge")
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-8-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 8a69bca77a ppc/pnv: make pnv_chip_power8_pic_print_info() use chip8->phbs[]
It's inneficient to scroll all child objects when we have all PHBs
available in chip8->phbs[].

pnv_chip_power8_pic_print_info_child() ended up folded into
pic_print_info() for simplicity.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-7-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza ca45948991 ppc/pnv: make pnv_ics_resend() use chip8->phbs[]
pnv_ics_resend() is scrolling through all the child objects of the chip
to search for the PHBs. It's faster and simpler to just use the phbs[]
array.

pnv_ics_resend_child() was folded into pnv_ics_resend() since it's too
simple to justify its own function.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-6-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza da6be50136 ppc/pnv: make pnv_ics_get() use the chip8->phbs[] array
The function is working today by getting all the child objects of the
chip, interacting with each of them to check whether the child is a PHB,
and then doing what needs to be done.

We have all the chip PHBs in the phbs[] array so interacting with all
child objects is unneeded. Open code pnv_ics_get_phb_ics() into
pnv_ics_get() and remove both pnv_ics_get_phb_ics() and the
ForeachPhb3Args struct.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-5-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 792e8bb629 ppc/pnv: assign pnv-phb-root-port chassis/slot earlier
It is not advisable to execute an object_dynamic_cast() to poke into
bus->qbus.parent and follow it up with a C cast into the PnvPHB type we
think we got.

In fact this is not needed. There is nothing sophisticated being done
with the PHB object retrieved during root_port_realize() for both PHB3
and PHB4. We're retrieving a PHB reference just to access phb->chip_id
and phb->phb_id and use them to define the chassis/slot of the root
port.

phb->phb_id is already being passed to pnv_phb_attach_root_port() via
the 'index' parameter. Let's also add a 'chip_id' parameter to this
function and assign chassis and slot right there. This will spare us
from the hassle of accessing the PHB object inside realize().

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220621173436.165912-4-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 8625164a38 ppc/pnv: attach phb3/phb4 root ports in QOM tree
At this moment we leave the pnv-phb3(4)-root-port unattached in QOM:

  /unattached (container)
(...)
    /device[2] (pnv-phb3-root-port)
      /bus master container[0] (memory-region)
      /bus master[0] (memory-region)
      /pci_bridge_io[0] (memory-region)
      /pci_bridge_io[1] (memory-region)
      /pci_bridge_mem[0] (memory-region)
      /pci_bridge_pci[0] (memory-region)
      /pci_bridge_pref_mem[0] (memory-region)
      /pci_bridge_vga_io_hi[0] (memory-region)
      /pci_bridge_vga_io_lo[0] (memory-region)
      /pci_bridge_vga_mem[0] (memory-region)
      /pcie.0 (PCIE)

Let's make changes in pnv_phb_attach_root_port() to attach the created
root ports to its corresponding PHB.

This is the result afterwards:

    /pnv-phb3[0] (pnv-phb3)
      /lsi (ics)
      /msi (phb3-msi)
      /msi32[0] (memory-region)
      /msi64[0] (memory-region)
      /pbcq (pnv-pbcq)
    (...)
      /phb3_iommu[0] (pnv-phb3-iommu-memory-region)
      /pnv-phb3-root.0 (pnv-phb3-root)
        /pnv-phb3-root-port[0] (pnv-phb3-root-port)
          /bus master container[0] (memory-region)
          /bus master[0] (memory-region)
          /pci_bridge_io[0] (memory-region)
          /pci_bridge_io[1] (memory-region)
          /pci_bridge_mem[0] (memory-region)
          /pci_bridge_pci[0] (memory-region)
          /pci_bridge_pref_mem[0] (memory-region)
          /pci_bridge_vga_io_hi[0] (memory-region)
          /pci_bridge_vga_io_lo[0] (memory-region)
          /pci_bridge_vga_mem[0] (memory-region)
          /pcie.0 (PCIE)

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-3-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Daniel Henrique Barboza 1c69cb4e75 ppc/pnv: move root port attach to pnv_phb4_realize()
Creating a root port is something related to the PHB, not the PEC. It
also makes the logic more in line with what pnv-phb3 does.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220621173436.165912-2-danielhb413@gmail.com>
2022-07-06 10:22:37 -03:00
Jason A. Donenfeld a988465d0e m68k: virt: pass RNG seed via bootinfo block
This commit wires up bootinfo's RNG seed attribute so that Linux VMs can
have their RNG seeded from the earliest possible time in boot, just like
the "rng-seed" device tree property on those platforms. The link
contains the corresponding Linux patch.

Link: https://lore.kernel.org/lkml/20220626111509.330159-1-Jason@zx2c4.com/
Based-on: <20220625152318.120849-1-Jason@zx2c4.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Message-Id: <20220626111804.330745-1-Jason@zx2c4.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-07-06 12:30:41 +02:00
Jason A. Donenfeld 23f0a6c80d m68k: use correct variable name in boot info string macro
Every time this macro is used, the caller is passing in
"parameters_base", so this bug wasn't spotted. But the actual macro
variable name is "base", so use that instead.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220625152318.120849-1-Jason@zx2c4.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-07-06 12:29:59 +02:00
Janis Schoetterl-Glausch f8333de279 target/s390x/tcg: SPX: check validity of new prefix
According to the architecture, SET PREFIX must try to access the new
prefix area and recognize an addressing exception if the area is not
accessible.
For qemu this check prevents a crash in cpu_map_lowcore after an
inaccessible prefix area has been set.

Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220630094340.3646279-1-scgl@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-07-06 12:14:16 +02:00
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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Wed 06 Jul 2022 09:09:33 AM +0530
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
  ebpf: replace deprecated bpf_program__set_socket_filter
  e1000: set RX descriptor status in a separate operation

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-06 10:41:34 +05:30
Haochen Tong a495eba03c ebpf: replace deprecated bpf_program__set_socket_filter
bpf_program__set_<TYPE> functions have been deprecated since libbpf 0.8.
Replace with the equivalent bpf_program__set_type call to avoid a
deprecation warning.

Signed-off-by: Haochen Tong <i@hexchain.org>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-07-06 11:39:09 +08:00
Ding Hui 034d00d485 e1000: set RX descriptor status in a separate operation
The code of setting RX descriptor status field maybe work fine in
previously, however with the update of glibc version, it shows two
issues when guest using dpdk receive packets:

  1. The dpdk has a certain probability getting wrong buffer_addr

     this impact may be not obvious, such as lost a packet once in
     a while

  2. The dpdk may consume a packet twice when scan the RX desc queue
     over again

     this impact will lead a infinite wait in Qemu, since the RDT
     (tail pointer) be inscreased to equal to RDH by unexpected,
     which regard as the RX desc queue is full

Write a whole of RX desc with DD flag on is not quite correct, because
when the underlying implementation of memcpy using XMM registers to
copy e1000_rx_desc (when AVX or something else CPU feature is usable),
the bytes order of desc writing to memory is indeterminacy

We can use full-scale test case to reproduce the issue-2 by
https://github.com/BASM/qemu_dpdk_e1000_test (thanks to Leonid Myravjev)

I also write a POC test case at https://github.com/cdkey/e1000_poc
which can reproduce both of them, and easy to verify the patch effect.

The hw watchpoint also shows that, when Qemu using XMM related instructions
writing 16 bytes e1000_rx_desc, concurrent with DPDK using movb
writing 1 byte status, the final result of writing to memory will be one
of them, if it made by Qemu which DD flag is on, DPDK will consume it
again.

Setting DD status in a separate operation, can prevent the impact of
disorder memory writing by memcpy, also avoid unexpected data when
concurrent writing status by qemu and guest dpdk.

Links: https://lore.kernel.org/qemu-devel/20200102110504.GG121208@stefanha-x1.localdomain/T/

Reported-by: Leonid Myravjev <asm@asm.pp.ru>
Cc: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-stable@nongnu.org
Tested-by: Jing Zhang <zhangjing@sangfor.com.cn>
Reviewed-by: Frank Lee <lifan38153@sangfor.com.cn>
Signed-off-by: Ding Hui <dinghui@sangfor.com.cn>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-07-06 11:39:09 +08:00
Richard Henderson 39e19f5f67 Xen patches
- Xen PCI passthrough fixes
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Merge tag 'pull-xen-20220705' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm into staging

Xen patches

- Xen PCI passthrough fixes

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# gpg: Signature made Tue 05 Jul 2022 07:14:51 PM +0530
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# gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [unknown]
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* tag 'pull-xen-20220705' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm:
  xen/pass-through: don't create needless register group
  xen/pass-through: merge emulated bits correctly

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 22:13:51 +05:30
Chuck Zmudzinski c0e86b7624 xen/pass-through: don't create needless register group
Currently we are creating a register group for the Intel IGD OpRegion
for every device we pass through, but the XEN_PCI_INTEL_OPREGION
register group is only valid for an Intel IGD. Add a check to make
sure the device is an Intel IGD and a check that the administrator has
enabled gfx_passthru in the xl domain configuration. Require both checks
to be true before creating the register group. Use the existing
is_igd_vga_passthrough() function to check for a graphics device from
any vendor and that the administrator enabled gfx_passthru in the xl
domain configuration, but further require that the vendor be Intel,
because only Intel IGD devices have an Intel OpRegion. These are the
same checks hvmloader and libxl do to determine if the Intel OpRegion
needs to be mapped into the guest's memory. Also, move the comment
about trapping 0xfc for the Intel OpRegion where it belongs after
applying this patch.

Signed-off-by: Chuck Zmudzinski <brchuckz@aol.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <c76dff6369ccf2256bd9eed5141da1db767293d2.1656480662.git.brchuckz@aol.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2022-07-05 14:19:48 +01:00
Chuck Zmudzinski be9c61da9f xen/pass-through: merge emulated bits correctly
In xen_pt_config_reg_init(), there is an error in the merging of the
emulated data with the host value. With the current Qemu, instead of
merging the emulated bits with the host bits as defined by emu_mask,
the emulated bits are merged with the host bits as defined by the
inverse of emu_mask. In some cases, depending on the data in the
registers on the host, the way the registers are setup, and the
initial values of the emulated bits, the end result will be that
the register is initialized with the wrong value.

To correct this error, use the XEN_PT_MERGE_VALUE macro to help ensure
the merge is done correctly.

This correction is needed to resolve Qemu project issue #1061, which
describes the failure of Xen HVM Linux guests to boot in certain
configurations with passed through PCI devices, that is, when this error
disables instead of enables the PCI_STATUS_CAP_LIST bit of the
PCI_STATUS register of a passed through PCI device, which in turn
disables the MSI-X capability of the device in Linux guests with the end
result being that the Linux guest never completes the boot process.

Fixes: 2e87512ecc ("xen/pt: Sync up the dev.config and data values")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1061
Buglink: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988333

Signed-off-by: Chuck Zmudzinski <brchuckz@aol.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <e4392535d8e5266063dc5461d0f1d301e3dd5951.1656522217.git.brchuckz@aol.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2022-07-05 14:19:48 +01:00
Richard Henderson d82423a697 * Fix memory leak in test-cutils
* Fix edk2/opensbi jobs to not run automatically by accident
 * Improve timings in the migration qtest
 * Remove libvixl disassembler
 * Add ukrainian translation
 * Require a recent version of libpng
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Merge tag 'pull-request-2022-07-05' of https://gitlab.com/thuth/qemu into staging

* Fix memory leak in test-cutils
* Fix edk2/opensbi jobs to not run automatically by accident
* Improve timings in the migration qtest
* Remove libvixl disassembler
* Add ukrainian translation
* Require a recent version of libpng

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# gpg: Signature made Tue 05 Jul 2022 03:15:45 PM +0530
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# 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: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-07-05' of https://gitlab.com/thuth/qemu:
  include/qemu/host-utils: Remove unused code in the *_overflow wrappers
  meson.build: Require a recent version of libpng
  po: add ukrainian translation
  disas: Remove libvixl disassembler
  tests: use consistent bandwidth/downtime limits in migration tests
  tests: increase migration test converge downtime to 30 seconds
  tests: wait for migration completion before looking for STOP event
  tests: wait max 120 seconds for migration test status changes
  gitlab-ci: Extend timeout for ubuntu-20.04-s390x-all to 75m
  gitlab: honour QEMU_CI variable in edk2/opensbi jobs
  gitlab: tweak comments in edk2/opensbi jobs
  gitlab: normalize indentation in edk2/opensbi rules
  tests/fp: Do not build softfloat3 tests if TCG is disabled
  tests: fix test-cutils leaks

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 18:06:11 +05:30
Richard Henderson 19361471b5 Loongarch patch queue:
Build fix for --enable-debug --enable-tcg-interpreter.
 Build fix for ls7a_rtc.
 Clear tlb on reset.
 Fixes for ipi mailboxes.
 Minor tweak to scripts/qemu-binfmt-conf.
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Merge tag 'pull-la-20220705' of https://gitlab.com/rth7680/qemu into staging

Loongarch patch queue:

Build fix for --enable-debug --enable-tcg-interpreter.
Build fix for ls7a_rtc.
Clear tlb on reset.
Fixes for ipi mailboxes.
Minor tweak to scripts/qemu-binfmt-conf.

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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 05 Jul 2022 04:28:26 PM +0530
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-la-20220705' of https://gitlab.com/rth7680/qemu:
  hw/intc/loongarch_ipi: Fix mail send and any send function
  hw/intc/loongarch_ipi: Fix ipi device access of 64bits
  tcg/tci: Remove CONFIG_DEBUG_TCG_INTERPRETER
  scripts/qemu-binfmt-conf: Add LoongArch to qemu_get_family()
  target/loongarch: Clean up tlb when cpu reset
  hw/rtc/ls7a_rtc: Drop unused inline functions

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 16:30:52 +05:30
Xiaojuan Yang bf7ce37f8f hw/intc/loongarch_ipi: Fix mail send and any send function
By the document of ipi mailsend device, byte is written only when the mask bit
is 0. The original code discards mask bit and overwrite the data always, this
patch fixes the issue.

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Message-Id: <20220705064901.2353349-3-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 16:25:17 +05:30
Xiaojuan Yang ddf9326184 hw/intc/loongarch_ipi: Fix ipi device access of 64bits
In general loongarch ipi device, 32bit registers is emulated, however for
anysend/mailsend device only 64bit register access is supported. So separate
the ipi memory region into two regions, including 32 bits and 64 bits.

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Message-Id: <20220705064901.2353349-2-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 16:25:17 +05:30
Richard Henderson 0df0a66555 tcg/tci: Remove CONFIG_DEBUG_TCG_INTERPRETER
There is nothing in this environment variable that cannot
be done better with -d flags.  There is nothing special
about TCI that warrants this hack.

Moreover, it does not compile -- remove it.

Reported-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-05 16:17:53 +05:30