Commit graph

17122 commits

Author SHA1 Message Date
Hao Wu
7e70eb3cad hw/arm: Add NPCM845 Evaluation board
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-17-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
ae0c4d1a12 hw/arm: Add NPCM8XX SoC
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250219184609.1839281-16-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
3d107d36f9 hw/net: Add NPCM8XX PCS Module
The PCS exists in NPCM8XX's GMAC1 and is used to control the SGMII
PHY. This implementation contains all the default registers and
the soft reset feature that are required to load the Linux kernel
driver. Further features have not been implemented yet.

Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250219184609.1839281-15-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
4e67d50dea hw/misc: Support NPCM8XX CLK Module Registers
NPCM8XX adds a few new registers and have a different set of reset
values to the CLK modules. This patch supports them.

This patch doesn't support the new clock values generated by these
registers. Currently no modules use these new clock values so they
are not necessary at this point.
Implementation of these clocks might be required when implementing
these modules.

Reviewed-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-14-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
cf76c4e174 hw/misc: Add nr_regs and cold_reset_values to NPCM CLK
These 2 values are different between NPCM7XX and NPCM8XX
CLKs. So we add them to the class and assign different values
to them.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-13-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
ca6d6a94f4 hw/misc: Move NPCM7XX CLK to NPCM CLK
A lot of NPCM7XX and NPCM8XX CLK modules share the same code,
this commit moves the NPCM7XX CLK to NPCM CLK for these
properties.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-12-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
c8283b0f4a hw/misc: Rename npcm7xx_clk to npcm_clk
NPCM7XX and NPCM8XX have a different set of CLK registers. This
commit changes the name of the clk files to be used by both
NPCM7XX and NPCM8XX CLK modules.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-11-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
0ad46bbb56 hw/misc: Store DRAM size in NPCM8XX GCR Module
NPCM8XX boot block stores the DRAM size in SCRPAD_B register in GCR
module. Since we don't simulate a detailed memory controller, we
need to store this information directly similar to the NPCM7XX's
INCTR3 register.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-9-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
d9ffb75f2a hw/misc: Add support for NPCM8XX GCR
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-8-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
8ca2021b9d hw/misc: Add nr_regs and cold_reset_values to NPCM GCR
These 2 values are different between NPCM7XX and NPCM8XX
GCRs. So we add them to the class and assign different values
to them.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-7-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
c99064e637 hw/misc: Move NPCM7XX GCR to NPCM GCR
A lot of NPCM7XX and NPCM8XX GCR modules share the same code,
this commit moves the NPCM7XX GCR to NPCM GCR for these
properties.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-6-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
506af2330c hw/misc: Rename npcm7xx_gcr to npcm_gcr
NPCM7XX and NPCM8XX have a different set of GCRs and the GCR module
needs to fit both. This commit changes the name of the GCR module.
Future commits will add the support for NPCM8XX GCRs.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-5-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:19 +00:00
Hao Wu
e9be8467b4 hw/ssi: Make flash size a property in NPCM7XX FIU
This allows different FIUs to have different flash sizes, useful
in NPCM8XX which has multiple different sized FIU modules.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@linaro.org>
Message-id: 20250219184609.1839281-4-wuhaotsh@google.com
[PMM: flash_size must be a uint64_t to build on 32-bit hosts]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 14:20:29 +00:00
Stefan Hajnoczi
40efe733e1 tcg: Remove last traces of TCG_TARGET_NEED_POOL_LABELS
tcg: Cleanups after disallowing 64-on-32
 tcg: Introduce constraint for zero register
 tcg: Remove TCG_TARGET_HAS_{br,set}cond2 from riscv and loongarch64
 tcg/i386: Use tcg_{high,unsigned}_cond in tcg_out_brcond2
 linux-user: Move TARGET_SA_RESTORER out of generic/signal.h
 linux-user: Fix alignment when unmapping excess reservation
 target/sparc: Fix register selection for all F*TOx and FxTO* instructions
 target/sparc: Fix gdbstub incorrectly handling registers f32-f62
 target/sparc: fake UltraSPARC T1 PCR and PIC registers
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Merge tag 'pull-tcg-20250215-3' of https://gitlab.com/rth7680/qemu into staging

tcg: Remove last traces of TCG_TARGET_NEED_POOL_LABELS
tcg: Cleanups after disallowing 64-on-32
tcg: Introduce constraint for zero register
tcg: Remove TCG_TARGET_HAS_{br,set}cond2 from riscv and loongarch64
tcg/i386: Use tcg_{high,unsigned}_cond in tcg_out_brcond2
linux-user: Move TARGET_SA_RESTORER out of generic/signal.h
linux-user: Fix alignment when unmapping excess reservation
target/sparc: Fix register selection for all F*TOx and FxTO* instructions
target/sparc: Fix gdbstub incorrectly handling registers f32-f62
target/sparc: fake UltraSPARC T1 PCR and PIC registers

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# gpg: Signature made Wed 19 Feb 2025 00:30:23 HKT
# 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

* tag 'pull-tcg-20250215-3' of https://gitlab.com/rth7680/qemu: (28 commits)
  tcg: Remove TCG_TARGET_HAS_{br,set}cond2 from riscv and loongarch64
  tcg/i386: Use tcg_{high,unsigned}_cond in tcg_out_brcond2
  target/sparc: fake UltraSPARC T1 PCR and PIC registers
  target/sparc: Fix gdbstub incorrectly handling registers f32-f62
  target/sparc: Fix register selection for all F*TOx and FxTO* instructions
  linux-user: Move TARGET_SA_RESTORER out of generic/signal.h
  elfload: Fix alignment when unmapping excess reservation
  tcg/sparc64: Use 'z' constraint
  tcg/riscv: Use 'z' constraint
  tcg/mips: Use 'z' constraint
  tcg/loongarch64: Use 'z' constraint
  tcg/aarch64: Use 'z' constraint
  tcg: Introduce the 'z' constraint for a hardware zero register
  include/exec: Use uintptr_t in CPUTLBEntry
  include/exec: Change vaddr to uintptr_t
  target/mips: Use VADDR_PRIx for logging pc_next
  target/loongarch: Use VADDR_PRIx for logging pc_next
  accel/tcg: Fix tlb_set_page_with_attrs, tlb_set_page
  plugins: Fix qemu_plugin_read_memory_vaddr parameters
  tcg: Replace addr{lo,hi}_reg with addr_reg in TCGLabelQemuLdst
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-19 08:36:45 +08:00
Stefan Hajnoczi
7389992c84 Memory pull request for 10.0
v2 changelog:
 
 - Fix Mac (and possibly some other) build issues for two patches
   - os: add an ability to lock memory on_fault
   - memory: pass MemTxAttrs to memory_access_is_direct()
 
 List of features:
 
 - William's fix on ram hole punching when with file offset
 - Daniil's patchset to introduce mem-lock=on-fault
 - William's hugetlb hwpoison fix for size report & remap
 - David's series to allow qemu debug writes to MMIOs
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Merge tag 'mem-next-pull-request' of https://gitlab.com/peterx/qemu into staging

Memory pull request for 10.0

v2 changelog:

- Fix Mac (and possibly some other) build issues for two patches
  - os: add an ability to lock memory on_fault
  - memory: pass MemTxAttrs to memory_access_is_direct()

List of features:

- William's fix on ram hole punching when with file offset
- Daniil's patchset to introduce mem-lock=on-fault
- William's hugetlb hwpoison fix for size report & remap
- David's series to allow qemu debug writes to MMIOs

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# gpg: Signature made Thu 13 Feb 2025 01:37:04 HKT
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [full]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [full]
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'mem-next-pull-request' of https://gitlab.com/peterx/qemu:
  overcommit: introduce mem-lock=on-fault
  system: introduce a new MlockState enum
  system/vl: extract overcommit option parsing into a helper
  os: add an ability to lock memory on_fault
  system/physmem: poisoned memory discard on reboot
  system/physmem: handle hugetlb correctly in qemu_ram_remap()
  physmem: teach cpu_memory_rw_debug() to write to more memory regions
  hmp: use cpu_get_phys_page_debug() in hmp_gva2gpa()
  memory: pass MemTxAttrs to memory_access_is_direct()
  physmem: disallow direct access to RAM DEVICE in address_space_write_rom()
  physmem: factor out direct access check into memory_region_supports_direct_access()
  physmem: factor out RAM/ROMD check in memory_access_is_direct()
  physmem: factor out memory_region_is_ram_device() check in memory_access_is_direct()
  system/physmem: take into account fd_offset for file fallocate

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-19 08:36:26 +08:00
Richard Henderson
6b8abd244b tcg: Introduce the 'z' constraint for a hardware zero register
For loongarch, mips, riscv and sparc, a zero register is
available all the time.  For aarch64, register index 31
depends on context: sometimes it is the stack pointer,
and sometimes it is the zero register.

Introduce a new general-purpose constraint which maps 0
to TCG_REG_ZERO, if defined.  This differs from existing
constant constraints in that const_arg[*] is recorded as
false, indicating that the value is in a register.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 08:29:03 -08:00
Richard Henderson
bf455ec50b include/exec: Use uintptr_t in CPUTLBEntry
Since we no longer support 64-bit guests on 32-bit hosts,
we can use a 32-bit type on a 32-bit host.  This shrinks
the size of the structure to 16 bytes on a 32-bit host.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 08:29:02 -08:00
Richard Henderson
a70af12add include/exec: Change vaddr to uintptr_t
Since we no longer support 64-bit guests on 32-bit hosts,
we can use a 32-bit type on a 32-bit host.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 08:29:02 -08:00
Richard Henderson
50b7a197e1 tcg: Merge INDEX_op_qemu_*_{a32,a64}_*
Since 64-on-32 is now unsupported, guest addresses always
fit in one host register.  Drop the replication of opcodes.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 07:33:42 -08:00
Richard Henderson
f441b4d19b tcg: Remove TCG_OVERSIZED_GUEST
This is now prohibited in configuration.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 07:33:42 -08:00
Stefan Hajnoczi
db7aa99ef8 Misc HW patches
- Use qemu_hexdump_line() in TPM backend (Philippe)
 - Remove magic number in APIC (Phil)
 - Disable thread-level cache topology (Zhao)
 - Xen QOM style cleanups (Bernhard)
 - Introduce TYPE_DYNAMIC_SYS_BUS_DEVICE (Philippe)
 - Invert logic of machine no_sdcard flag (Philippe)
 - Housekeeping in MicroBlaze functional tests (Philippe)
 - Prevent out-of-bound access in SMC91C111 RX path (Peter)
 - Declare more fields / arguments as const (Philippe)
 - Introduce EndianMode QAPI enum (Philippe)
 - Make various Xilinx devices endianness configurable (Philippe)
 - Mark some devices memory regions as little-endian (Philippe)
 - Allow execution RX gdbsim machine without BIOS/kernel (Keith)
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Merge tag 'hw-misc-20250216' of https://github.com/philmd/qemu into staging

Misc HW patches

- Use qemu_hexdump_line() in TPM backend (Philippe)
- Remove magic number in APIC (Phil)
- Disable thread-level cache topology (Zhao)
- Xen QOM style cleanups (Bernhard)
- Introduce TYPE_DYNAMIC_SYS_BUS_DEVICE (Philippe)
- Invert logic of machine no_sdcard flag (Philippe)
- Housekeeping in MicroBlaze functional tests (Philippe)
- Prevent out-of-bound access in SMC91C111 RX path (Peter)
- Declare more fields / arguments as const (Philippe)
- Introduce EndianMode QAPI enum (Philippe)
- Make various Xilinx devices endianness configurable (Philippe)
- Mark some devices memory regions as little-endian (Philippe)
- Allow execution RX gdbsim machine without BIOS/kernel (Keith)

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# gpg: Signature made Sun 16 Feb 2025 15:58:55 EST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20250216' of https://github.com/philmd/qemu: (39 commits)
  hw/rx: Allow execution without either bios or kernel
  hw/pci-host: Mark versatile regions as little-endian
  hw/mips: Mark Loonson3 Virt machine devices as little-endian
  hw/mips: Mark Boston machine devices as little-endian
  hw/arm: Mark Allwinner Technology devices as little-endian
  hw/ssi/xilinx_spi: Make device endianness configurable
  hw/char/xilinx_uartlite: Make device endianness configurable
  hw/timer/xilinx_timer: Make device endianness configurable
  hw/net/xilinx_ethlite: Make device endianness configurable
  hw/intc/xilinx_intc: Make device endianness configurable
  hw/qdev-properties-system: Introduce EndianMode QAPI enum
  hw: Make class data 'const'
  hw: Declare various const data as 'const'
  tests/functional: Remove sleep() kludges from microblaze tests
  tests/functional: Allow microblaze tests to take a machine name argument
  tests/functional: Explicit endianness of microblaze assets
  hw/net/smc91c111: Ignore attempt to pop from empty RX fifo
  hw/riscv/opentitan: Include missing 'exec/address-spaces.h' header
  hw/boards: Ensure machine setting auto_create_sdcard expose a SD Bus
  hw/riscv: Remove all invalid uses of auto_create_sdcard=true
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-16 20:48:06 -05:00
Philippe Mathieu-Daudé
4ec96630f9 hw/qdev-properties-system: Introduce EndianMode QAPI enum
Introduce the EndianMode type and the DEFINE_PROP_ENDIAN() macros.
Endianness can be BIG, LITTLE or unspecified (default).

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250213122217.62654-2-philmd@linaro.org>
2025-02-16 14:33:39 +01:00
Philippe Mathieu-Daudé
cdc8d7cada hw/boards: Rename no_sdcard -> auto_create_sdcard
Invert the 'no_sdcard' logic, renaming it as the more explicit
"auto_create_sdcard". Machines are supposed to create a SD Card
drive when this flag is set. In many cases it doesn't make much
sense (as boards don't expose SD Card host controller), but this
is patch only aims to expose that nonsense; so no logical change
intended (mechanical patch using gsed).

Most of the changes are:

  -    mc->no_sdcard = ON_OFF_AUTO_OFF;
  +    mc->auto_create_sdcard = true;

Except in
 . hw/core/null-machine.c
 . hw/arm/xilinx_zynq.c
 . hw/s390x/s390-virtio-ccw.c
where the disabled option is manually removed (since default):

  -    mc->no_sdcard = ON_OFF_AUTO_ON;
  +    mc->auto_create_sdcard = false;
  -    mc->auto_create_sdcard = false;

and in system/vl.c we change the 'default_sdcard' type to boolean.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250204200934.65279-4-philmd@linaro.org>
2025-02-16 14:25:08 +01:00
Philippe Mathieu-Daudé
e3660f60dc hw/boards: Convert no_sdcard flag to OnOffAuto tri-state
MachineClass::no_sdcard is initialized as false by default.
To catch all uses, convert it to a tri-state, having the
current default (false) becoming AUTO.

No logical change intended.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250204200934.65279-2-philmd@linaro.org>
2025-02-16 14:25:08 +01:00
Philippe Mathieu-Daudé
250e797cea hw/xen: Have legacy Xen backend inherit from DYNAMIC_SYS_BUS_DEVICE
Because the legacy Xen backend devices can optionally be plugged on the
TYPE_PLATFORM_BUS_DEVICE, have it inherit TYPE_DYNAMIC_SYS_BUS_DEVICE.
Remove the implicit TYPE_XENSYSDEV instance_size.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alexander Graf <graf@amazon.com>
Tested-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20250125181343.59151-10-philmd@linaro.org>
2025-02-16 14:25:08 +01:00
Philippe Mathieu-Daudé
47dfd350fb hw/sysbus: Introduce TYPE_DYNAMIC_SYS_BUS_DEVICE
Some TYPE_SYS_BUS_DEVICEs can be optionally dynamically
plugged on the TYPE_PLATFORM_BUS_DEVICE.
Rather than sometimes noting that with comment around
the 'user_creatable = true' line in each DeviceRealize
handler, introduce an abstract TYPE_DYNAMIC_SYS_BUS_DEVICE
class.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alexander Graf <graf@amazon.com>
Reviewed-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
Message-Id: <20250125181343.59151-4-philmd@linaro.org>
2025-02-16 14:25:07 +01:00
Fabiano Rosas
322d873b63 io: Add a read flag for relaxed EOF
Add a read flag that can inform a channel that it's ok to receive an
EOF at any moment. Channels that have some form of strict EOF
tracking, such as TLS session termination, may choose to ignore EOF
errors with the use of this flag.

This is being added for compatibility with older migration streams
that do not include a TLS termination step.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-02-14 15:19:04 -03:00
Fabiano Rosas
a25b013019 io: Add flags argument to qio_channel_readv_full_all_eof
We want to pass flags into qio_channel_tls_readv() but
qio_channel_readv_full_all_eof() doesn't take a flags argument.

No functional change.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-02-14 15:19:04 -03:00
Fabiano Rosas
0b8a70d70f crypto: Remove qcrypto_tls_session_get_handshake_status
The correct way of calling qcrypto_tls_session_handshake() requires
calling qcrypto_tls_session_get_handshake_status() right after it so
there's no reason to have a separate method.

Refactor qcrypto_tls_session_handshake() to inform the status in its
own return value and alter the callers accordingly.

No functional change.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-02-14 15:19:03 -03:00
Fabiano Rosas
30ee88622e io: tls: Add qio_channel_tls_bye
Add a task dispatcher for gnutls_bye similar to the
qio_channel_tls_handshake_task(). The gnutls_bye() call might be
interrupted and so it needs to be rescheduled.

The migration code will make use of this to help the migration
destination identify a premature EOF. Once the session termination is
in place, any EOF that happens before the source issued gnutls_bye()
will be considered an error.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-02-14 15:19:03 -03:00
Fabiano Rosas
ab1cb3683b crypto: Allow gracefully ending the TLS session
QEMU's TLS session code provides no way to call gnutls_bye() to
terminate a TLS session. Callers of qcrypto_tls_session_read() can
choose to ignore a GNUTLS_E_PREMATURE_TERMINATION error by setting the
gracefulTermination argument.

The QIOChannelTLS ignores the premature termination error whenever
shutdown() has already been issued. This was found to be not enough for
the migration code because shutdown() might not have been issued before
the connection is terminated.

Add support for calling gnutls_bye() in the tlssession layer so users
of QIOChannelTLS can clearly identify the end of a TLS session.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-02-14 15:19:03 -03:00
Stefan Hajnoczi
495de0fd82 trivial patches for 2025-02-14
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2025-02-14

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# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg:                 aka "Michael Tokarev <mjt@tls.msk.ru>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  make-release: don't rely on $CWD when excluding subproject directories
  target/riscv: Fix minor whitespace issue in riscv_cpu_properties
  qemu/timer: Clarify timer_new*() must be freed with timer_free()
  overall: Remove unnecessary g_strdup_printf() calls

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-14 08:19:05 -05:00
Philippe Mathieu-Daudé
c996dacfa1 qemu/timer: Clarify timer_new*() must be freed with timer_free()
There was not mention QEMUTimer created with timer_new*() must
be released with timer_free() instead of g_free(), because then
active timers are removed from the active list. Update the
documentation mentioning timer_free().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-02-14 08:49:06 +03:00
Zhao Liu
f32352ff9e i386/fw_cfg: move hpet_cfg definition to hpet.c
HPET device needs to access and update hpet_cfg variable, but now it is
defined in hw/i386/fw_cfg.c and Rust code can't access it.

Move hpet_cfg definition to hpet.c (and rename it to hpet_fw_cfg). This
allows Rust HPET device implements its own global hpet_fw_cfg variable,
and will further reduce the use of unsafe C code access and calls in the
Rust HPET implementation.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-2-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-02-13 12:51:32 +01:00
Daniil Tatianin
13057e064a overcommit: introduce mem-lock=on-fault
Locking the memory without MCL_ONFAULT instantly prefaults any mmaped
anonymous memory with a write-fault, which introduces a lot of extra
overhead in terms of memory usage when all you want to do is to prevent
kcompactd from migrating and compacting QEMU pages. Add an option to
only lock pages lazily as they're faulted by the process by using
MCL_ONFAULT if asked.

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Link: https://lore.kernel.org/r/20250212143920.1269754-5-d-tatianin@yandex-team.ru
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:36:13 -05:00
Daniil Tatianin
cd2e472e54 system: introduce a new MlockState enum
Replace the boolean value enable_mlock with an enum and add a helper to
decide whether we should be calling os_mlock.

This is a stepping stone towards introducing a new mlock mode, which
will be the third possible state of this enum.

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Link: https://lore.kernel.org/r/20250212143920.1269754-4-d-tatianin@yandex-team.ru
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:36:13 -05:00
Daniil Tatianin
e76fadf93e os: add an ability to lock memory on_fault
This will be used in the following commits to make it possible to only
lock memory on fault instead of right away.

Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Link: https://lore.kernel.org/r/20250212143920.1269754-2-d-tatianin@yandex-team.ru
[peterx: fail os_mlock(on_fault=1) when not supported]
[peterx: use G_GNUC_UNUSED instead of "(void)on_fault", per Dan]
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:36:01 -05:00
William Roche
c1cda1c5f8 system/physmem: handle hugetlb correctly in qemu_ram_remap()
The list of hwpoison pages used to remap the memory on reset
is based on the backend real page size.
To correctly handle hugetlb, we must mmap(MAP_FIXED) a complete
hugetlb page; hugetlb pages cannot be partially mapped.

Signed-off-by: William Roche <william.roche@oracle.com>
Co-developed-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20250211212707.302391-2-william.roche@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:33:13 -05:00
David Hildenbrand
1cceedd772 physmem: teach cpu_memory_rw_debug() to write to more memory regions
Right now, we only allow for writing to memory regions that allow direct
access using memcpy etc; all other writes are simply ignored. This
implies that debugging guests will not work as expected when writing
to MMIO device regions.

Let's extend cpu_memory_rw_debug() to write to more memory regions,
including MMIO device regions. Reshuffle the condition in
memory_access_is_direct() to make it easier to read and add a comment.

While this change implies that debug access can now also write to MMIO
devices, we now are also permit ELF image loads and similar users of
cpu_memory_rw_debug() to write to MMIO devices; currently we ignore
these writes.

Peter assumes [1] that there's probably a class of guest images, which
will start writing junk (likely zeroes) into device model registers; we
previously would silently ignore any such bogus ELF sections. Likely
these images are of questionable correctness and this can be ignored. If
ever a problem, we could make these cases use address_space_write_rom()
instead, which is left unchanged for now.

This patch is based on previous work by Stefan Zabka.

[1] https://lore.kernel.org/all/CAFEAcA_2CEJKFyjvbwmpt=on=GgMVamQ5hiiVt+zUr6AY3X=Xg@mail.gmail.com/

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/213
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20250210084648.33798-8-david@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:33:13 -05:00
David Hildenbrand
d732b5a4ac memory: pass MemTxAttrs to memory_access_is_direct()
We want to pass another flag that will be stored in MemTxAttrs. So pass
MemTxAttrs directly.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20250210084648.33798-6-david@redhat.com
[peterx: Fix MacOS builds]
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 11:33:05 -05:00
David Hildenbrand
7fd970a7d3 physmem: factor out direct access check into memory_region_supports_direct_access()
Let's factor the complete "directly accessible" check independent of
the "write" condition out so we can reuse it next.

We can now split up the checks RAM and ROMD check, so we really only check
for RAM DEVICE in case of RAM -- ROM DEVICE is neither RAM not RAM DEVICE.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20250210084648.33798-4-david@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 10:13:27 -05:00
David Hildenbrand
e76d7b6b8c physmem: factor out RAM/ROMD check in memory_access_is_direct()
Let's factor more of the generic "is this directly accessible" check,
independent of the "write" condition out.

Note that the "!mr->rom_device" check in the write case essentially
disallows the memory_region_is_romd() condition again. Further note that
RAM DEVICE regions are also RAM regions, so we can check for RAM+ROMD
first.

This is a preparation for further changes.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20250210084648.33798-3-david@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 10:13:27 -05:00
David Hildenbrand
52012209e1 physmem: factor out memory_region_is_ram_device() check in memory_access_is_direct()
As documented in commit 4a2e242bbb ("memory: Don't use memcpy for
ram_device regions"), we disallow direct access to RAM DEVICE regions.

Let's make this clearer to prepare for further changes. Note that romd
regions will never be RAM DEVICE at the same time.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20250210084648.33798-2-david@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-02-12 10:13:27 -05:00
Stefan Hajnoczi
de278e54ae loongarch queue
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Merge tag 'pull-loongarch-20250212' of https://gitlab.com/bibo-mao/qemu into staging

loongarch queue

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# gpg: Signature made Tue 11 Feb 2025 22:08:14 EST
# gpg:                using EDDSA key 0D8642A3A2659F80B0B3D1A41F7B0C1251ACE7D1
# gpg: Good signature from "bibo mao <maobibo@loongson.cn>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 7044 3A00 19C0 E97A 31C7  13C4 8E86 8FB7 A176 9D4C
#      Subkey fingerprint: 0D86 42A3 A265 9F80 B0B3  D1A4 1F7B 0C12 51AC E7D1

* tag 'pull-loongarch-20250212' of https://gitlab.com/bibo-mao/qemu:
  hw/loongarch/virt: CPU irq line connection improvement
  hw/loongarch/virt: Remove unused ipistate
  hw/loongarch/virt: Set iocsr address space when CPU is created
  hw/loongarch/virt: Add separate file for fdt building
  hw/loongarch/virt: Rename function prefix name
  hw/loongarch/virt: Rename filename acpi-build with virt-acpi-build

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-12 09:16:36 -05:00
Stefan Hajnoczi
d384903bb4 NBD patches for 2025-02-11
- Add --handshake-limit option to qemu-nbd
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Merge tag 'pull-nbd-2025-02-11' of https://repo.or.cz/qemu/ericb into staging

NBD patches for 2025-02-11

- Add --handshake-limit option to qemu-nbd

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# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
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# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* tag 'pull-nbd-2025-02-11' of https://repo.or.cz/qemu/ericb:
  nbd/server: Allow users to adjust handshake limit in QMP
  qemu-nbd: Allow users to adjust handshake limit

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-12 08:48:44 -05:00
Stefan Hajnoczi
afbcca0ea4 target-arm queue:
* target/alpha: Don't corrupt error_code with unknown softfloat flags
  * target/arm: Implement FEAT_AFP and FEAT_RPRES
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Merge tag 'pull-target-arm-20250211' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * target/alpha: Don't corrupt error_code with unknown softfloat flags
 * target/arm: Implement FEAT_AFP and FEAT_RPRES

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# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20250211' of https://git.linaro.org/people/pmaydell/qemu-arm: (68 commits)
  target/arm: Sink fp_status and fpcr access into do_fmlal*
  target/arm: Read fz16 from env->vfp.fpcr
  target/arm: Simplify DO_VFP_cmp in vfp_helper.c
  target/arm: Simplify fp_status indexing in mve_helper.c
  target/arm: Remove fp_status_a32
  target/arm: Remove fp_status_a64
  target/arm: Remove fp_status_f16_a32
  target/arm: Remove fp_status_f16_a64
  target/arm: Remove ah_fp_status
  target/arm: Remove ah_fp_status_f16
  target/arm: Remove standard_fp_status
  target/arm: Remove standard_fp_status_f16
  target/arm: Introduce CPUARMState.vfp.fp_status[]
  target/arm: Enable FEAT_RPRES for -cpu max
  target/arm: Implement increased precision FRSQRTE
  target/arm: Implement increased precision FRECPE
  target/arm: Plumb FEAT_RPRES frecpe and frsqrte through to new helper
  target/arm: Enable FEAT_AFP for '-cpu max'
  target/arm: Handle FPCR.AH in SVE FMLSLB, FMLSLT (vectors)
  target/arm: Handle FPCR.AH in SVE FMLSL (indexed)
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-12 08:48:33 -05:00
Bibo Mao
456739ce43 hw/loongarch/virt: CPU irq line connection improvement
Interrupt controller extioi and ipi connect to CPU with irq line method.
With command -smp x, -device la464-loongarch-cpu, smp.cpus is not
accurate for all possible CPU objects, possible_cpu_arch_ids() is used.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
2025-02-12 10:05:22 +08:00
Bibo Mao
3754f985a8 hw/loongarch/virt: Add separate file for fdt building
Similiar with virt-acpi-build.c, file virt-fdt-build.c is added here.
And move functions relative with fdt table building to the file.

It is only code movement and there is no function change.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-02-12 09:52:26 +08:00
Bibo Mao
e733b473b8 hw/loongarch/virt: Rename function prefix name
Replace function prefix name loongarch_xxx with virt_xxx in file
virt-acpi-build.c

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-02-12 09:51:27 +08:00
Eric Blake
ff12e6a5ff nbd/server: Allow users to adjust handshake limit in QMP
Although defaulting the handshake limit to 10 seconds was a nice QoI
change to weed out intentionally slow clients, it can interfere with
integration testing done with manual NBD_OPT commands over 'nbdsh
--opt-mode'.  Expose a QMP knob 'handshake-max-secs' to allow the user
to alter the timeout away from the default.

The parameter name here intentionally matches the spelling of the
constant added in commit fb1c2aaa98, and not the command-line spelling
added in the previous patch for qemu-nbd; that's because in QMP,
longer names serve as good self-documentation, and unlike the command
line, machines don't have problems generating longer spellings.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20250203222722.650694-6-eblake@redhat.com>
[eblake: s/max-secs/max-seconds/ in QMP]
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
2025-02-11 13:45:47 -06:00