Commit Graph

12684 Commits

Author SHA1 Message Date
Cédric Le Goater 09a7e60c64 pnv/xive2: Add support for 8bits thread id
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 835806f1f9 pnv/xive2: Add support for automatic save&restore
The XIVE interrupt controller on P10 can automatically save and
restore the state of the interrupt registers under the internal NVP
structure representing the VCPU. This saves a costly store/load in
guest entries and exits.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater e16032b8dc xive2: Add a get_config() handler for the router configuration
Add GEN1 config even if we don't use it yet in the core framework.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 95d729e2bc ppc/pnv: add XIVE Gen2 TIMA support
Only the CAM line updates done by the hypervisor are specific to
POWER10. Instead of duplicating the TM ops table, we handle these
commands locally under the PowerNV XIVE2 model.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 34b0696be4 ppc/pnv: Add support for PHB5 "Address-based trigger" mode
When the Address-Based Interrupt Trigger mode is activated, the PHB
maps the interrupt source number into the interrupt command address.
The PHB directly triggers the IC ESB page of the interrupt number and
not the notify page of the IC anymore.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater c6b8cc370d ppc/pnv: Add support for PQ offload on PHB5
The PQ_disable configuration bit disables the check done on the PQ
state bits when processing new MSI interrupts. When bit 9 is enabled,
the PHB forwards any MSI trigger to the XIVE interrupt controller
without checking the PQ state bits. The XIVE IC knows from the trigger
message that the PQ bits have not been checked and performs the check
locally.

This configuration bit only applies to MSIs and LSIs are still checked
on the PHB to handle the assertion level.

PQ_disable enablement is a requirement for StoreEOI.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 0aa2612a01 ppc/xive: Add support for PQ state bits offload
The trigger message coming from a HW source contains a special bit
informing the XIVE interrupt controller that the PQ bits have been
checked at the source or not. Depending on the value, the IC can
perform the check and the state transition locally using its own PQ
state bits.

The following changes add new accessors to the XiveRouter required to
query and update the PQ state bits. This only applies to the PowerNV
machine. sPAPR accessors are provided but the pSeries machine should
not be concerned by such complex configuration for the moment.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater aadf13abaa ppc/xive2: Add support for notification injection on ESB pages
This is an internal offset used to inject triggers when the PQ state
bits are not controlled locally. Such as for LSIs when the PHB5 are
using the Address-Based Interrupt Trigger mode and on the END.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 924996766b ppc/pnv: Add a HOMER model to POWER10
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 623575e16c ppc/pnv: Add model for POWER10 PHB5 PCIe Host bridge
PHB4 and PHB5 are very similar. Use the PHB4 models with some minor
adjustements in a subclass for P10.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater ae4c68e366 ppc/pnv: Add POWER10 quads
and use a pnv_chip_power10_quad_realize() helper to avoid code
duplication with P9. This still needs some refinements on the XSCOM
registers handling in PnvQuad.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater 8bf682a349 ppc/pnv: Add a OCC model for POWER10
Our OCC model is very mininal and POWER10 can simply reuse the OCC
model we introduced for POWER9.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00
Cédric Le Goater da71b7e3ed ppc/pnv: Add a XIVE2 controller to the POWER10 chip
The XIVE2 interrupt controller of the POWER10 processor follows the
same logic than on POWER9 but the HW interface has been largely
reviewed.  It has a new register interface, different BARs, extra
VSDs, new layout for the XIVE2 structures, and a set of new features
which are described below.

This is a model of the POWER10 XIVE2 interrupt controller for the
PowerNV machine. It focuses primarily on the needs of the skiboot
firmware but some initial hypervisor support is implemented for KVM
use (escalation).

Support for new features will be implemented in time and will require
new support from the OS.

* XIVE2 BARS

The interrupt controller BARs have a different layout outlined below.
Each sub-engine has now own its range and the indirect TIMA access was
replaced with a set of pages, one per CPU, under the IC BAR:

  - IC BAR (Interrupt Controller)
    . 4 pages, one per sub-engine
    . 128 indirect TIMA pages
  - TM BAR (Thread Interrupt Management Area)
    . 4 pages
  - ESB BAR (ESB pages for IPIs)
    . up to 1TB
  - END BAR (ESB pages for ENDs)
    . up to 2TB
  - NVC BAR (Notification Virtual Crowd)
    . up to 128
  - NVPG BAR (Notification Virtual Process and Group)
    . up to 1TB
  - Direct mapped Thread Context Area (reads & writes)

OPAL does not use the grouping and crowd capability.

* Virtual Structure Tables

XIVE2 adds new tables types and also changes the field layout of the END
and NVP Virtualization Structure Descriptors.

  - EAS
  - END new layout
  - NVT was splitted in :
    . NVP (Processor), 32B
    . NVG (Group), 32B
    . NVC (Crowd == P9 block group) 32B
  - IC for remote configuration
  - SYNC for cache injection
  - ERQ for event input queue

The setup is slighly different on XIVE2 because the indexing has changed
for some of the tables, block ID or the chip topology ID can be used.

* XIVE2 features

SCOM and MMIO registers have a new layout and XIVE2 adds a new global
capability and configuration registers.

The lowlevel hardware offers a set of new features among which :

  - a configurable number of priorities : 1 - 8
  - StoreEOI with load-after-store ordering is activated by default
  - Gen2 TIMA layout
  - A P9-compat mode, or Gen1, TIMA toggle bit for SW compatibility
  - increase to 24bit for VP number

Other features will have some impact on the Hypervisor and guest OS
when activated, but this is not required for initial support of the
controller.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:38 +01:00
Cédric Le Goater 09a67f3d0e ppc/xive2: Introduce a presenter matching routine
The VP space is larger in XIVE2 (P10), 24 bits instead of 19bits on
XIVE (P9), and the CAM line can use a 7bits or 8bits thread id.

For now, we only use 7bits thread ids, same as P9, but because of the
change of the size of the VP space, the CAM matching routine is
different between P9 and P10. It is easier to duplicate the whole
routine than to add extra handlers in xive_presenter_tctx_match() used
for P9.

We might come with a better solution later on, after we have added
some more support for the XIVE2 controller.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:38 +01:00
Cédric Le Goater f8a233dedf ppc/xive2: Introduce a XIVE2 core framework
The XIVE2 interrupt controller of the POWER10 processor as the same
logic as on POWER9 but its SW interface has been largely reworked. The
interrupt controller has a new register interface, different BARs,
extra VSDs. These will be described when we add the device model for
the baremetal machine.

The XIVE internal structures for the EAS, END, NVT have different
layouts which is a problem for the current core XIVE framework. To
avoid adding too much complexity in the XIVE models, a new XIVE2 core
framework is introduced. It duplicates the models which are closely
linked to the XIVE internal structures : Xive2Router and
Xive2ENDSource and reuses the XiveSource, XivePresenter, XiveTCTX
models, as they are more generic.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:38 +01:00
Matheus Ferst 9620ae01b8 tcg/tcg-op-gvec.c: Introduce tcg_gen_gvec_4i
Following the implementation of tcg_gen_gvec_3i, add a four-vector and
immediate operand expansion method.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-34-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:38 +01:00
Peter Maydell 09591fcf6e Fix typecode generation for tcg helpers
Fix single stepping into interrupt handlers
 Fix out-of-range offsets for stores in TCI
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20220228' into staging

Fix typecode generation for tcg helpers
Fix single stepping into interrupt handlers
Fix out-of-range offsets for stores in TCI

# gpg: Signature made Mon 28 Feb 2022 18:07:13 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# 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-gitlab/tags/pull-tcg-20220228:
  tcg/tci: Use tcg_out_ldst in tcg_out_st
  accel/tcg/cpu-exec: Fix precise single-stepping after interrupt
  tcg: Remove dh_alias indirection for dh_typecode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-01 15:55:31 +00:00
Richard Henderson 8929906e21 tcg: Remove dh_alias indirection for dh_typecode
The dh_alias redirect is intended to handle TCG types as distinguished
from C types.  TCG does not distinguish signed int from unsigned int,
because they are the same size.  However, we need to retain this
distinction for dh_typecode, lest we fail to extend abi types properly
for the host call parameters.

This bug was detected when running the 'arm' emulator on an s390
system. The s390 uses TCG_TARGET_EXTEND_ARGS which triggers code
in tcg_gen_callN to extend 32 bit values to 64 bits; the incorrect
sign data in the typemask for each argument caused the values to be
extended as unsigned values.

This simple program exhibits the problem:

	static volatile int num = -9;
	static volatile int den = -5;
	int main(void)
	{
		int quo = num / den;
		printf("num %d den %d quo %d\n", num, den, quo);
		exit(0);
	}

When run on the broken qemu, this results in:

	num -9 den -5 quo 0

The correct result is:

	num -9 den -5 quo 1

Fixes: 7319d83a73 ("tcg: Combine dh_is_64bit and dh_is_signed to dh_typecode")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/876
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Tested-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Tested-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-02-28 08:04:06 -10:00
Peter Maydell a8d39f5b5a aspeed queue:
* Removal of the swift-bmc machine
 * New Secure Boot Controller model
 * Improvements on the rainier machine
 * Various small cleanups
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Merge remote-tracking branch 'remotes/legoater/tags/pull-aspeed-20220227' into staging

aspeed queue:

* Removal of the swift-bmc machine
* New Secure Boot Controller model
* Improvements on the rainier machine
* Various small cleanups

# gpg: Signature made Sun 27 Feb 2022 08:45:45 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-aspeed-20220227:
  aspeed/sdmc: Add trace events
  aspeed/smc: Add an address mask on segment registers
  aspeed: Introduce a create_pca9552() helper
  aspeed: rainier: Add strap values taken from hardware
  aspeed: rainier: Add i2c LED devices
  ast2600: Add Secure Boot Controller model
  arm: Remove swift-bmc machine

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-28 16:46:45 +00:00
Cédric Le Goater 7c8d2fc4f9 aspeed/smc: Add an address mask on segment registers
Only a limited set of bits are used for decoding the Start and End
addresses of the mapping window of a flash device.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-26 18:40:51 +01:00
Joel Stanley e1acf581c9 ast2600: Add Secure Boot Controller model
Just a stub that indicates the system has booted in secure boot mode.
Used for testing the driver:

 https://lore.kernel.org/all/20211019080608.283324-1-joel@jms.id.au/

Signed-off-by: Joel Stanley <joel@jms.id.au>
[ clg: - Fixed typo
       - Adjusted Copyright dates ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-26 18:40:51 +01:00
Peter Maydell 5abccc7922 * Improve virtio-net failover test
* Some small fixes for the qtests
 * Misc header cleanups by Philippe
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Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2022-02-21' into staging

* Improve virtio-net failover test
* Some small fixes for the qtests
* Misc header cleanups by Philippe

# gpg: Signature made Mon 21 Feb 2022 11:40:37 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2022-02-21: (25 commits)
  hw/tricore: Remove unused and incorrect header
  hw/m68k/mcf: Add missing 'exec/hwaddr.h' header
  exec/exec-all: Move 'qemu/log.h' include in units requiring it
  softmmu/runstate: Clean headers
  linux-user: Add missing "qemu/timer.h" include
  target: Add missing "qemu/timer.h" include
  core/ptimers: Remove unnecessary 'sysemu/cpus.h' include
  exec/ramblock: Add missing includes
  qtest: Add missing 'hw/qdev-core.h' include
  hw/acpi/memory_hotplug: Remove unused 'hw/acpi/pc-hotplug.h' header
  hw/remote: Add missing include
  hw/tpm: Clean includes
  scripts: Remove the old switch-timer-api script
  tests/qtest: failover: migration abort test with failover off
  tests/qtest: failover: test migration if the guest doesn't support failover
  tests/qtest: failover: check migration with failover off
  tests/qtest: failover: check missing guest feature
  tests/qtest: failover: check the feature is correctly provided
  tests/qtest: failover: use a macro for check_one_card()
  tests/qtest: failover: clean up pathname of tests
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-22 13:07:32 +00:00
Peter Maydell 15e09912b7 include: Move hardware version declarations to new qemu/hw-version.h
The "hardware version" machinery (qemu_set_hw_version(),
qemu_hw_version(), and the QEMU_HW_VERSION define) is used by fewer
than 10 files.  Move it out from osdep.h into a new
qemu/hw-version.h.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-6-peter.maydell@linaro.org
2022-02-21 13:30:20 +00:00
Peter Maydell ad768e6f2a include: Move qemu_[id]cache_* declarations to new qemu/cacheinfo.h
The qemu_icache_linesize, qemu_icache_linesize_log,
qemu_dcache_linesize, and qemu_dcache_linesize_log variables are not
used in many files.  Move them out of osdep.h to a new
qemu/cacheinfo.h, and document them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-5-peter.maydell@linaro.org
2022-02-21 13:30:20 +00:00
Peter Maydell 5b3e34315a include: Move QEMU_MAP_* constants to mmap-alloc.h
The QEMU_MAP_* constants are used only as arguments to the
qemu_ram_mmap() function.  Move them to mmap-alloc.h, where that
function's prototype is defined.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-4-peter.maydell@linaro.org
2022-02-21 13:30:20 +00:00
Peter Maydell f2241d16ea include: Move qemu_mprotect_*() to new qemu/mprotect.h
The qemu_mprotect_*() family of functions are used in very few files;
move them from osdep.h to a new qemu/mprotect.h.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-3-peter.maydell@linaro.org
2022-02-21 13:30:20 +00:00
Peter Maydell b85ea5fa2f include: Move qemu_madvise() and related #defines to new qemu/madvise.h
The function qemu_madvise() and the QEMU_MADV_* constants associated
with it are used in only 10 files.  Move them out of osdep.h to a new
qemu/madvise.h header that is included where it is needed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-2-peter.maydell@linaro.org
2022-02-21 13:30:20 +00:00
Philippe Mathieu-Daudé 975592f552 hw/tricore: Remove unused and incorrect header
TriCore boards certainly don't need the ARM loader API :)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214183144.27402-4-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-21 10:36:50 +01:00
Philippe Mathieu-Daudé 139535aa85 hw/m68k/mcf: Add missing 'exec/hwaddr.h' header
hwaddr type is defined in "exec/hwaddr.h".

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220209215446.58402-3-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-21 10:35:13 +01:00
Philippe Mathieu-Daudé cd6174843b exec/exec-all: Move 'qemu/log.h' include in units requiring it
Many files use "qemu/log.h" declarations but neglect to include
it (they inherit it via "exec/exec-all.h"). "exec/exec-all.h" is
a core component and shouldn't be used that way. Move the
"qemu/log.h" inclusion locally to each unit requiring it.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220207082756.82600-10-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-21 10:18:06 +01:00
Philippe Mathieu-Daudé 40d7ca33b9 exec/ramblock: Add missing includes
"exec/ramblock.h" requires "qemu/rcu.h" for the definition of
rcu_head, and "exec/ramlist.h" for the definition of RAMBlockNotifier.
Add them to avoid when when refactoring include/:

  include/exec/ramblock.h:26:21: error: field has incomplete type 'struct rcu_head'
    struct rcu_head rcu;
                    ^

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220207082756.82600-6-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-21 10:18:06 +01:00
Peter Maydell e670f6d825 ppc-7.0 queue
* target/ppc: SPR registration cleanups (Fabiano)
 * ppc: nested KVM HV for spapr virtual hypervisor (Nicholas)
 * spapr: nvdimm: Introduce spapr-nvdimm device (Shivaprasad)
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Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220218' into staging

ppc-7.0 queue

* target/ppc: SPR registration cleanups (Fabiano)
* ppc: nested KVM HV for spapr virtual hypervisor (Nicholas)
* spapr: nvdimm: Introduce spapr-nvdimm device (Shivaprasad)

# gpg: Signature made Fri 18 Feb 2022 07:59:29 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-ppc-20220218: (39 commits)
  target/ppc: Move common SPR functions out of cpu_init
  target/ppc: cpu_init: Move check_pow and QOM macros to a header
  target/ppc: cpu_init: Move SPR registration macros to a header
  target/ppc: cpu_init: Expose some SPR registration helpers
  target/ppc: Rename spr_tcg.h to spr_common.h
  target/ppc: cpu_init: Remove register_usprg3_sprs
  target/ppc: cpu_init: Rename register_ne_601_sprs
  target/ppc: cpu_init: Reuse init_proc_745 for the 755
  target/ppc: cpu_init: Reuse init_proc_604 for the 604e
  target/ppc: cpu_init: Reuse init_proc_603 for the e300
  target/ppc: cpu_init: Move 604e SPR registration into a function
  target/ppc: cpu_init: Move e300 SPR registration into a function
  target/ppc: cpu_init: Move 755 L2 cache SPRs into a function
  target/ppc: cpu_init: Deduplicate 7xx SPR registration
  target/ppc: cpu_init: Deduplicate 745/755 SPR registration
  target/ppc: cpu_init: Deduplicate 604 SPR registration
  target/ppc: cpu_init: Deduplicate 603 SPR registration
  target/ppc: cpu_init: Deduplicate 440 SPR registration
  target/ppc: cpu_init: Decouple 74xx SPR registration from 7xx
  target/ppc: cpu_init: Decouple G2 SPR registration from 755
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-20 15:05:41 +00:00
Peter Maydell 242f2cae78 V3: virtiofs pull 2022-02-17
Security label improvements from Vivek
   - includes a fix for building against new kernel headers
   [V3: checkpatch style fixes]
   [V2: Fix building on old Linux]
 Blocking flock disable from Sebastian
 SYNCFS support from Greg
 
 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Merge remote-tracking branch 'remotes/dgilbert-gitlab/tags/pull-virtiofs-20220217b' into staging

V3: virtiofs pull 2022-02-17

Security label improvements from Vivek
  - includes a fix for building against new kernel headers
  [V3: checkpatch style fixes]
  [V2: Fix building on old Linux]
Blocking flock disable from Sebastian
SYNCFS support from Greg

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

# gpg: Signature made Thu 17 Feb 2022 17:24:25 GMT
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert-gitlab/tags/pull-virtiofs-20220217b:
  virtiofsd: Add basic support for FUSE_SYNCFS request
  virtiofsd: Add an option to enable/disable security label
  virtiofsd: Create new file using O_TMPFILE and set security context
  virtiofsd: Create new file with security context
  virtiofsd: Add helpers to work with /proc/self/task/tid/attr/fscreate
  virtiofsd: Move core file creation code in separate function
  virtiofsd, fuse_lowlevel.c: Add capability to parse security context
  virtiofsd: Extend size of fuse_conn_info->capable and ->want fields
  virtiofsd: Parse extended "struct fuse_init_in"
  linux-headers: Update headers to v5.17-rc1
  virtiofsd: Fix breakage due to fuse_init_in size change
  virtiofsd: Do not support blocking flock

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-19 15:24:12 +00:00
Nicholas Piggin 120f738a46 spapr: implement nested-hv capability for the virtual hypervisor
This implements the Nested KVM HV hcall API for spapr under TCG.

The L2 is switched in when the H_ENTER_NESTED hcall is made, and the
L1 is switched back in returned from the hcall when a HV exception
is sent to the vhyp. Register state is copied in and out according to
the nested KVM HV hcall API specification.

The hdecr timer is started when the L2 is switched in, and it provides
the HDEC / 0x980 return to L1.

The MMU re-uses the bare metal radix 2-level page table walker by
using the get_pate method to point the MMU to the nested partition
table entry. MMU faults due to partition scope errors raise HV
exceptions and accordingly are routed back to the L1.

The MMU does not tag translations for the L1 (direct) vs L2 (nested)
guests, so the TLB is flushed on any L1<->L2 transition (hcall entry
and exit).

Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: checkpatch fixes ]
Message-Id: <20220216102545.1808018-10-npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-18 08:34:14 +01:00
Nicholas Piggin 93aeb70210 ppc: allow the hdecr timer to be created/destroyed
Machines which don't emulate the HDEC facility are able to use the
timer for something else. Provide functions to start and stop the
hdecr timer.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[ clg: checkpatch fixes ]
Message-Id: <20220216102545.1808018-4-npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-18 08:34:14 +01:00
Shivaprasad G Bhat b5513584a0 spapr: nvdimm: Implement H_SCM_FLUSH hcall
The patch adds support for the SCM flush hcall for the nvdimm devices.
To be available for exploitation by guest through the next patch. The
hcall is applicable only for new SPAPR specific device class which is
also introduced in this patch.

The hcall expects the semantics such that the flush to return with
H_LONG_BUSY_ORDER_10_MSEC when the operation is expected to take longer
time along with a continue_token. The hcall to be called again by providing
the continue_token to get the status. So, all fresh requests are put into
a 'pending' list and flush worker is submitted to the thread pool. The
thread pool completion callbacks move the requests to 'completed' list,
which are cleaned up after collecting the return status for the guest
in subsequent hcall from the guest.

The semantics makes it necessary to preserve the continue_tokens and
their return status across migrations. So, the completed flush states
are forwarded to the destination and the pending ones are restarted
at the destination in post_load. The necessary nvdimm flush specific
vmstate structures are also introduced in this patch which are to be
saved in the new SPAPR specific nvdimm device to be introduced in the
following patch.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <164396254862.109112.16675611182159105748.stgit@ltczzess4.aus.stglabs.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-18 08:34:14 +01:00
Shivaprasad G Bhat 3e35960bf1 nvdimm: Add realize, unrealize callbacks to NVDIMMDevice class
A new subclass inheriting NVDIMMDevice is going to be introduced in
subsequent patches. The new subclass uses the realize and unrealize
callbacks. Add them on NVDIMMClass to appropriately call them as part
of plug-unplug.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <164396253158.109112.1926755104259023743.stgit@ltczzess4.aus.stglabs.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-18 08:34:13 +01:00
Vivek Goyal ef17dd6a8e linux-headers: Update headers to v5.17-rc1
Update headers to 5.17-rc1. I need latest fuse changes.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Message-Id: <20220208204813.682906-3-vgoyal@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-02-17 17:21:45 +00:00
Vitaly Chikunov e64e27d5cb 9pfs: Fix segfault in do_readdir_many caused by struct dirent overread
`struct dirent' returned from readdir(3) could be shorter (or longer)
than `sizeof(struct dirent)', thus memcpy of sizeof length will overread
into unallocated page causing SIGSEGV. Example stack trace:

 #0  0x00005555559ebeed v9fs_co_readdir_many (/usr/bin/qemu-system-x86_64 + 0x497eed)
 #1  0x00005555559ec2e9 v9fs_readdir (/usr/bin/qemu-system-x86_64 + 0x4982e9)
 #2  0x0000555555eb7983 coroutine_trampoline (/usr/bin/qemu-system-x86_64 + 0x963983)
 #3  0x00007ffff73e0be0 n/a (n/a + 0x0)

While fixing this, provide a helper for any future `struct dirent' cloning.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/841
Cc: qemu-stable@nongnu.org
Co-authored-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Tested-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Acked-by: Greg Kurz <groug@kaod.org>
Tested-by: Vitaly Chikunov <vt@altlinux.org>
Message-Id: <20220216181821.3481527-1-vt@altlinux.org>
[C.S. - Fix typo in source comment. ]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
2022-02-17 16:57:58 +01:00
Anup Patel e8f79343cf hw/intc: Add RISC-V AIA APLIC device emulation
The RISC-V AIA (Advanced Interrupt Architecture) defines a new
interrupt controller for wired interrupts called APLIC (Advanced
Platform Level Interrupt Controller). The APLIC is capabable of
forwarding wired interupts to RISC-V HARTs directly or as MSIs
(Message Signaled Interupts).

This patch adds device emulation for RISC-V AIA APLIC.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20220204174700.534953-19-anup@brainfault.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-02-16 12:24:19 +10:00
Wilfred Mallawa a6b7bd35f3 include: hw: remove ibex_plic.h
This patch removes the left-over/unused `ibex_plic.h` file. Previously
used by opentitan, which now follows the RISC-V standard and uses the
SiFivePlicState.

Fixes: 434e7e021 ("hw/intc: Remove the Ibex PLIC")
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220121055005.3159846-1-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-02-16 12:24:18 +10:00
Peter Maydell ad38520bde Pull request
This contains coroutine poll size scaling, virtiofsd rseq seccomp for new glibc
 versions, and the QEMU C virtiofsd deprecation notice.
 -----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/block-pull-request' into staging

Pull request

This contains coroutine poll size scaling, virtiofsd rseq seccomp for new glibc
versions, and the QEMU C virtiofsd deprecation notice.

# gpg: Signature made Mon 14 Feb 2022 17:14:21 GMT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha-gitlab/tags/block-pull-request:
  util: adjust coroutine pool size to virtio block queue
  Deprecate C virtiofsd
  tools/virtiofsd: Add rseq syscall to the seccomp allowlist

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-15 19:30:33 +00:00
Hiroki Narukawa 4c41c69e05 util: adjust coroutine pool size to virtio block queue
Coroutine pool size was 64 from long ago, and the basis was organized in the commit message in 4d68e86b.

At that time, virtio-blk queue-size and num-queue were not configuable, and equivalent values were 128 and 1.

Coroutine pool size 64 was fine then.

Later queue-size and num-queue got configuable, and default values were increased.

Coroutine pool with size 64 exhausts frequently with random disk IO in new size, and slows down.

This commit adjusts coroutine pool size adaptively with new values.

This commit adds 64 by default, but now coroutine is not only for block devices,

and is not too much burdon comparing with new default.

pool size of 128 * vCPUs.

Signed-off-by: Hiroki Narukawa <hnarukaw@yahoo-corp.jp>
Message-id: 20220214115302.13294-2-hnarukaw@yahoo-corp.jp
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-02-14 17:11:25 +00:00
Klaus Jensen e321b4cdc2 hw/nvme: add support for zoned random write area
Add support for TP 4076 ("Zoned Random Write Area"), v2021.08.23
("Ratified").

This adds three new namespace parameters: "zoned.numzrwa" (number of
zrwa resources, i.e. number of zones that can have a zrwa),
"zoned.zrwas" (zrwa size in LBAs), "zoned.zrwafg" (granularity in LBAs
for flushes).

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-02-14 08:58:29 +01:00
Klaus Jensen 25872031e1 hw/nvme: add ozcs enum
Add enumeration for OZCS values.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-02-14 08:58:29 +01:00
Klaus Jensen 6190d92ff7 hw/nvme: add struct for zone management send
Add struct for Zone Management Send in preparation for more zone send
flags.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-02-14 08:58:29 +01:00
Alex Bennée 514f9f8eb6 include/exec: fix softmmu version of TARGET_ABI_FMT_lx
TARGET_ABI_FMT_lx isn't available for softmmu which causes confusion
when trying to print. As abi_ptr == target_ulong use its format string
instead.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-09 13:29:38 +00:00
Ivanov Arkady 91d4032710 plugins: add helper functions for coverage plugins
Which provide information about:
- start_code.
- end_code.
- entry.
- path to the executable binary.

Signed-off-by: Ivanov Arkady <arkadiy.ivanov@ispras.ru>
Message-Id: <163491883461.304355.8210754161847179432.stgit@pc-System-Product-Name>
[AJB: reword title, better descriptions, defaults, rm export, fix include]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220204204335.1689602-22-alex.bennee@linaro.org>
2022-02-09 12:08:42 +00:00
Alex Bennée 126d4123c5 tracing: excise the tcg related from tracetool
Now we have no TCG trace events and no longer handle them in the code
we can remove the handling from the tracetool to generate them. vcpu
tracing is still available although the existing syscall event is an
exercise in redundancy (plugins and -strace can also get the
information).

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Luis Vilanova <vilanova@imperial.ac.uk>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220204204335.1689602-21-alex.bennee@linaro.org>
2022-02-09 12:08:42 +00:00
Alex Bennée d201cf7a73 tracing: remove the trace-tcg includes from the build
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Luis Vilanova <vilanova@imperial.ac.uk>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220204204335.1689602-20-alex.bennee@linaro.org>
2022-02-09 12:08:42 +00:00