Commit Graph

32969 Commits

Author SHA1 Message Date
zhenwei pi
2cb0692768 cryptodev: Use CryptoDevBackendOpInfo for operation
Move queue_index, CryptoDevCompletionFunc and opaque into struct
CryptoDevBackendOpInfo, then cryptodev_backend_crypto_operation()
needs an argument CryptoDevBackendOpInfo *op_info only. And remove
VirtIOCryptoReq from cryptodev. It's also possible to hide
VirtIOCryptoReq into virtio-crypto.c in the next step. (In theory,
VirtIOCryptoReq is a private structure used by virtio-crypto only)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-9-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-07 12:38:59 -05:00
zhenwei pi
bc304a6442 cryptodev: Introduce server type in QAPI
Introduce cryptodev service type in cryptodev.json, then apply this
to related codes. Now we can remove VIRTIO_CRYPTO_SERVICE_xxx
dependence from QEMU cryptodev.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-5-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-07 12:38:59 -05:00
zhenwei pi
999c789f00 cryptodev: Introduce cryptodev alg type in QAPI
Introduce cryptodev alg type in cryptodev.json, then apply this to
related codes, and drop 'enum CryptoDevBackendAlgType'.

There are two options:
1, { 'enum': 'QCryptodevBackendAlgType',
  'prefix': 'CRYPTODEV_BACKEND_ALG',
  'data': ['sym', 'asym']}
Then we can keep 'CRYPTODEV_BACKEND_ALG_SYM' and avoid lots of
changes.
2, changes in this patch(with prefix 'QCRYPTODEV_BACKEND_ALG').

To avoid breaking the rule of QAPI, use 2 here.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-4-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-07 12:38:59 -05:00
Peter Maydell
9832009d9d Sixth RISC-V PR for 8.0
* Support for the Zicbiom, ZCicboz, and Zicbop extensions.
 * OpenSBI has been updated to version 1.2, see
   <https://github.com/riscv-software-src/opensbi/releases/tag/v1.2> for
   the release notes.
 * Support for setting the virtual address width (ie, sv39/sv48/sv57) on
   the command line.
 * Support for ACPI on RISC-V.
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Merge tag 'pull-riscv-to-apply-20230306' of https://gitlab.com/palmer-dabbelt/qemu into staging

Sixth RISC-V PR for 8.0

* Support for the Zicbiom, ZCicboz, and Zicbop extensions.
* OpenSBI has been updated to version 1.2, see
  <https://github.com/riscv-software-src/opensbi/releases/tag/v1.2> for
  the release notes.
* Support for setting the virtual address width (ie, sv39/sv48/sv57) on
  the command line.
* Support for ACPI on RISC-V.

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# gpg: Signature made Mon 06 Mar 2023 21:51:36 GMT
# gpg:                using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmerdabbelt@google.com>" [unknown]
# 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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41
#      Subkey fingerprint: 2B3C 3747 4468 43B2 4A94  3A7A 2E13 19F3 5FBB 1889

* tag 'pull-riscv-to-apply-20230306' of https://gitlab.com/palmer-dabbelt/qemu: (22 commits)
  MAINTAINERS: Add entry for RISC-V ACPI
  hw/riscv/virt.c: Initialize the ACPI tables
  hw/riscv/virt: virt-acpi-build.c: Add RHCT Table
  hw/riscv/virt: virt-acpi-build.c: Add RINTC in MADT
  hw/riscv/virt: Enable basic ACPI infrastructure
  hw/riscv/virt: Add memmap pointer to RiscVVirtState
  hw/riscv/virt: Add a switch to disable ACPI
  hw/riscv/virt: Add OEM_ID and OEM_TABLE_ID fields
  riscv: Correctly set the device-tree entry 'mmu-type'
  riscv: Introduce satp mode hw capabilities
  riscv: Allow user to set the satp mode
  riscv: Change type of valid_vm_1_10_[32|64] to bool
  riscv: Pass Object to register_cpu_props instead of DeviceState
  roms/opensbi: Upgrade from v1.1 to v1.2
  gitlab/opensbi: Move to docker:stable
  hw: intc: Use cpu_by_arch_id to fetch CPU state
  target/riscv: cpu: Implement get_arch_id callback
  disas/riscv Fix ctzw disassemble
  hw/riscv/virt.c: add cbo[mz]-block-size fdt properties
  target/riscv: add Zicbop cbo.prefetch{i, r, m} placeholder
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-07 12:53:00 +00:00
Peter Maydell
c29a2f40cd target-arm queue:
* allwinner-h3: Fix I2C controller model for Sun6i SoCs
  * allwinner-h3: Add missing i2c controllers
  * Expose M-profile system registers to gdbstub
  * Expose pauth information to gdbstub
  * Support direct boot for Linux/arm64 EFI zboot images
  * Fix incorrect stage 2 MMU setup validation
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Merge tag 'pull-target-arm-20230306' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * allwinner-h3: Fix I2C controller model for Sun6i SoCs
 * allwinner-h3: Add missing i2c controllers
 * Expose M-profile system registers to gdbstub
 * Expose pauth information to gdbstub
 * Support direct boot for Linux/arm64 EFI zboot images
 * Fix incorrect stage 2 MMU setup validation

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# gpg: Signature made Mon 06 Mar 2023 15:34:04 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20230306' of https://git.linaro.org/people/pmaydell/qemu-arm: (21 commits)
  hw: arm: allwinner-h3: Fix and complete H3 i2c devices
  hw: allwinner-i2c: Fix TWI_CNTR_INT_FLAG on SUN6i SoCs
  hw: arm: Support direct boot for Linux/arm64 EFI zboot images
  target/arm: Rewrite check_s2_mmu_setup
  target/arm: Diagnose incorrect usage of arm_is_secure subroutines
  target/arm: Stub arm_hcr_el2_eff for m-profile
  target/arm: Handle m-profile in arm_is_secure
  target/arm: Implement gdbstub m-profile systemreg and secext
  target/arm: Export arm_v7m_get_sp_ptr
  target/arm: Export arm_v7m_mrs_control
  target/arm: Implement gdbstub pauth extension
  target/arm: Create pauth_ptr_mask
  target/arm: Simplify iteration over bit widths
  target/arm: Add name argument to output_vector_union_type
  target/arm: Fix svep width in arm_gen_dynamic_svereg_xml
  target/arm: Hoist pred_width in arm_gen_dynamic_svereg_xml
  target/arm: Simplify register counting in arm_gen_dynamic_svereg_xml
  target/arm: Split out output_vector_union_type
  target/arm: Move arm_gen_dynamic_svereg_xml to gdbstub64.c
  target/arm: Unexport arm_gen_dynamic_sysreg_xml
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-07 09:58:43 +00:00
Peter Maydell
c1feaf7683 hw/nvme updates
* basic support for directives
 * simple support for endurance groups
 * emulation of flexible data placement (tp4146)
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Merge tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu into staging

hw/nvme updates

* basic support for directives
* simple support for endurance groups
* emulation of flexible data placement (tp4146)

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# gpg: Signature made Mon 06 Mar 2023 14:34:02 GMT
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [full]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [full]
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
  hw/nvme: flexible data placement emulation
  hw/nvme: basic directives support
  hw/nvme: add basic endurance group support
  hw/nvme: store a pointer to the NvmeSubsystem in the NvmeNamespace
  hw/nvme: move adjustment of data_units{read,written}

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-07 09:58:25 +00:00
Sunil V L
f709360f0a
hw/riscv/virt.c: Initialize the ACPI tables
Initialize the ACPI tables if the acpi option is not
disabled.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-8-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:07 -08:00
Sunil V L
ebfd392893
hw/riscv/virt: virt-acpi-build.c: Add RHCT Table
RISC-V ACPI platforms need to provide RISC-V Hart Capabilities
Table (RHCT). Add this to the ACPI tables.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-7-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:06 -08:00
Sunil V L
6cc40ea211
hw/riscv/virt: virt-acpi-build.c: Add RINTC in MADT
Add Multiple APIC Description Table (MADT) with the
RINTC structure for each cpu.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-6-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:05 -08:00
Sunil V L
7da2fb240f
hw/riscv/virt: Enable basic ACPI infrastructure
Add basic ACPI infrastructure for RISC-V with below tables.
        1) DSDT with below basic objects
                - CPUs
                - fw_cfg
        2) FADT revision 6 with HW_REDUCED flag
        3) XSDT
        4) RSDP

Add this functionality in a new file virt-acpi-build.c and enable
building this infrastructure.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-5-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:04 -08:00
Sunil V L
71302ff3bc
hw/riscv/virt: Add memmap pointer to RiscVVirtState
memmap needs to be exported outside of virt.c so that
modules like acpi can use it. Hence, add a pointer field
in RiscVVirtState structure and initialize it with the
memorymap.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-4-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:03 -08:00
Sunil V L
168b8c29ce
hw/riscv/virt: Add a switch to disable ACPI
ACPI will be enabled by default. Add a switch to turn off
for testing and debug purposes.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-3-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:02 -08:00
Sunil V L
90477a652b
hw/riscv/virt: Add OEM_ID and OEM_TABLE_ID fields
ACPI needs OEM_ID and OEM_TABLE_ID for the machine. Add these fields
in the RISCVVirtState structure and initialize with default values.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-2-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 11:35:02 -08:00
Alexandre Ghiti
ed9eb20694
riscv: Correctly set the device-tree entry 'mmu-type'
The 'mmu-type' should reflect what the hardware is capable of so use the
new satp_mode field in RISCVCPUConfig to do that.

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-ID: <20230303131252.892893-6-alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-06 08:09:44 -08:00
qianfan Zhao
2ddc45954f hw: arm: allwinner-h3: Fix and complete H3 i2c devices
Allwinner h3 has 4 twi(i2c) devices named twi0, twi1, twi2 and r_twi.
The registers are compatible with TYPE_AW_I2C_SUN6I, write 1 to clear
control register's INT_FLAG bit.

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
Reviewed-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06 15:31:24 +00:00
Jesper Devantier
73064edfb8 hw/nvme: flexible data placement emulation
Add emulation of TP4146 ("Flexible Data Placement").

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jesper Devantier <j.devantier@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2023-03-06 15:28:02 +01:00
Gollu Appalanaidu
e181d3da39 hw/nvme: basic directives support
Add support for the Directive Send and Recv commands and the Identify
directive.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2023-03-06 15:28:02 +01:00
Klaus Jensen
771dbc3ac4 hw/nvme: add basic endurance group support
Add the mandatory Endurance Group identify data structures and log
pages.

For now, all namespaces in a subsystem belongs to a single Endurance
Group.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2023-03-06 15:28:02 +01:00
Niklas Cassel
534a93d3a0 hw/nvme: store a pointer to the NvmeSubsystem in the NvmeNamespace
Each NvmeNamespace can be used by serveral controllers,
but a NvmeNamespace can at most belong to a single NvmeSubsystem.
Store a pointer to the NvmeSubsystem, if the namespace was realized
with a NvmeSubsystem.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2023-03-06 15:28:02 +01:00
Joel Granados
a555af1707 hw/nvme: move adjustment of data_units{read,written}
Move the rounding of bytes read/written into nvme_smart_log which
reports in units of 512 bytes, rounded up in thousands. This is in
preparation for adding the Endurance Group Information log page which
reports in units of billions, rounded up.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2023-03-06 15:28:02 +01:00
qianfan Zhao
8461bfdca9 hw: allwinner-i2c: Fix TWI_CNTR_INT_FLAG on SUN6i SoCs
TWI_CNTR_INT_FLAG is W1C(write 1 to clear and write 0 has non-effect)
register on SUN6i based SoCs, we should lower interrupt when the guest
set this bit.

The linux kernel will hang in irq handler(mv64xxx_i2c_intr) if no
device connected on the i2c bus, next is the trace log:

allwinner_i2c_write write   CNTR(0x0c): 0xc4 A_ACK BUS_EN INT_EN
allwinner_i2c_write write   CNTR(0x0c): 0xcc A_ACK INT_FLAG BUS_EN INT_EN
allwinner_i2c_read  read    CNTR(0x0c): 0xcc A_ACK INT_FLAG BUS_EN INT_EN
allwinner_i2c_read  read    STAT(0x10): 0x20 STAT_M_ADDR_WR_NACK
allwinner_i2c_write write   CNTR(0x0c): 0x54 A_ACK M_STP BUS_EN
allwinner_i2c_write write   CNTR(0x0c): 0x4c A_ACK INT_FLAG BUS_EN
allwinner_i2c_read  read    CNTR(0x0c): 0x4c A_ACK INT_FLAG BUS_EN
allwinner_i2c_read  read    STAT(0x10): 0xf8 STAT_IDLE
allwinner_i2c_write write   CNTR(0x0c): 0x54 A_ACK M_STP BUS_EN
allwinner_i2c_write write   CNTR(0x0c): 0x4c A_ACK INT_FLAG BUS_EN
allwinner_i2c_read  read    CNTR(0x0c): 0x4c A_ACK INT_FLAG BUS_EN
allwinner_i2c_read  read    STAT(0x10): 0xf8 STAT_IDLE
...

Fix it.

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
Reviewed-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Tested-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06 14:08:12 +00:00
Ard Biesheuvel
ff11422804 hw: arm: Support direct boot for Linux/arm64 EFI zboot images
Fedora 39 will ship its arm64 kernels in the new generic EFI zboot
format, using gzip compression for the payload.

For doing EFI boot in QEMU, this is completely transparent, as the
firmware or bootloader will take care of this. However, for direct
kernel boot without firmware, we will lose the ability to boot such
distro kernels unless we deal with the new format directly.

EFI zboot images contain metadata in the header regarding the placement
of the compressed payload inside the image, and the type of compression
used. This means we can wire up the existing gzip support without too
much hassle, by parsing the header and grabbing the payload from inside
the loaded zboot image.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Message-id: 20230303160109.3626966-1-ardb@kernel.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweaked comment formatting, fixed checkpatch nits]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06 14:08:12 +00:00
Marek Marczykowski-Górecki
3856734d80 hw/xen/xen_pt: fix uninitialized variable
xen_pt_config_reg_init() reads only that many bytes as the size of the
register that is being initialized. It uses
xen_host_pci_get_{byte,word,long} and casts its last argument to
expected pointer type. This means for smaller registers higher bits of
'val' are not initialized. Then, the function fails if any of those
higher bits are set.

Fix this by initializing 'val' with zero.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Message-Id: <20230127050815.4155276-1-marmarek@invisiblethingslab.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2023-03-06 11:27:37 +00:00
Chuck Zmudzinski
4f67543bb8 xen/pt: reserve PCI slot 2 for Intel igd-passthru
Intel specifies that the Intel IGD must occupy slot 2 on the PCI bus,
as noted in docs/igd-assign.txt in the Qemu source code.

Currently, when the xl toolstack is used to configure a Xen HVM guest with
Intel IGD passthrough to the guest with the Qemu upstream device model,
a Qemu emulated PCI device will occupy slot 2 and the Intel IGD will occupy
a different slot. This problem often prevents the guest from booting.

The only available workarounds are not good: Configure Xen HVM guests to
use the old and no longer maintained Qemu traditional device model
available from xenbits.xen.org which does reserve slot 2 for the Intel
IGD or use the "pc" machine type instead of the "xenfv" machine type and
add the xen platform device at slot 3 using a command line option
instead of patching qemu to fix the "xenfv" machine type directly. The
second workaround causes some degredation in startup performance such as
a longer boot time and reduced resolution of the grub menu that is
displayed on the monitor. This patch avoids that reduced startup
performance when using the Qemu upstream device model for Xen HVM guests
configured with the igd-passthru=on option.

To implement this feature in the Qemu upstream device model for Xen HVM
guests, introduce the following new functions, types, and macros:

* XEN_PT_DEVICE_CLASS declaration, based on the existing TYPE_XEN_PT_DEVICE
* XEN_PT_DEVICE_GET_CLASS macro helper function for XEN_PT_DEVICE_CLASS
* typedef XenPTQdevRealize function pointer
* XEN_PCI_IGD_SLOT_MASK, the value of slot_reserved_mask to reserve slot 2
* xen_igd_reserve_slot and xen_igd_clear_slot functions

Michael Tsirkin:
* Introduce XEN_PCI_IGD_DOMAIN, XEN_PCI_IGD_BUS, XEN_PCI_IGD_DEV, and
  XEN_PCI_IGD_FN - use them to compute the value of XEN_PCI_IGD_SLOT_MASK

The new xen_igd_reserve_slot function uses the existing slot_reserved_mask
member of PCIBus to reserve PCI slot 2 for Xen HVM guests configured using
the xl toolstack with the gfx_passthru option enabled, which sets the
igd-passthru=on option to Qemu for the Xen HVM machine type.

The new xen_igd_reserve_slot function also needs to be implemented in
hw/xen/xen_pt_stub.c to prevent FTBFS during the link stage for the case
when Qemu is configured with --enable-xen and --disable-xen-pci-passthrough,
in which case it does nothing.

The new xen_igd_clear_slot function overrides qdev->realize of the parent
PCI device class to enable the Intel IGD to occupy slot 2 on the PCI bus
since slot 2 was reserved by xen_igd_reserve_slot when the PCI bus was
created in hw/i386/pc_piix.c for the case when igd-passthru=on.

Move the call to xen_host_pci_device_get, and the associated error
handling, from xen_pt_realize to the new xen_igd_clear_slot function to
initialize the device class and vendor values which enables the checks for
the Intel IGD to succeed. The verification that the host device is an
Intel IGD to be passed through is done by checking the domain, bus, slot,
and function values as well as by checking that gfx_passthru is enabled,
the device class is VGA, and the device vendor in Intel.

Signed-off-by: Chuck Zmudzinski <brchuckz@aol.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Message-Id: <b1b4a21fe9a600b1322742dda55a40e9961daa57.1674346505.git.brchuckz@aol.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2023-03-06 11:27:37 +00:00
Mayuresh Chitale
64452a09c5
hw: intc: Use cpu_by_arch_id to fetch CPU state
Qemu_get_cpu uses the logical CPU id assigned during init to fetch the
CPU state. However APLIC, IMSIC and ACLINT contain registers and states
which are specific to physical hart Ids. The hart Ids in any given system
might be sparse and hence calls to qemu_get_cpu need to be replaced by
cpu_by_arch_id which performs lookup based on the sparse physical hart IDs.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20230303065055.915652-3-mchitale@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-05 15:33:40 -08:00
Anup Patel
0076986328
hw/riscv/virt.c: add cbo[mz]-block-size fdt properties
The cbom-block-size fdt property property is used to inform the OS about
the blocksize in bytes for the Zicbom cache operations. Linux documents
it in Documentation/devicetree/bindings/riscv/cpus.yaml
as:

  riscv,cbom-block-size:
    $ref: /schemas/types.yaml#/definitions/uint32
    description:
      The blocksize in bytes for the Zicbom cache operations.

cboz-block-size has the same role but for the Zicboz extension, i.e.
informs the size in bytes for Zicboz cache operations. Linux support
for it is under review/approval in [1]. Patch 3 of that series describes
cboz-block-size as:

  riscv,cboz-block-size:
    $ref: /schemas/types.yaml#/definitions/uint32
    description:
      The blocksize in bytes for the Zicboz cache operations.

[1] https://lore.kernel.org/all/20230224162631.405473-1-ajones@ventanamicro.com/

Cc: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Message-ID: <20230302091406.407824-2-dbarboza@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-05 12:07:30 -08:00
Peter Maydell
ca30a985e9 ppc patch queue for 2023-03-03:
This queue includes a stub implementation for the dcblc instruction to
 avoid an illegal instrunction exception when using u-boot with mpc85xx.
 It also includes a PHB fix with user-created pnv-phb devices and
 Skiboot.
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Merge tag 'pull-ppc-20230303' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-03-03:

This queue includes a stub implementation for the dcblc instruction to
avoid an illegal instrunction exception when using u-boot with mpc85xx.
It also includes a PHB fix with user-created pnv-phb devices and
Skiboot.

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# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
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# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [unknown]
# 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: 17EB FF99 23D0 1800 AF28  3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20230303' of https://gitlab.com/danielhb/qemu:
  pnv_phb4_pec: Simplify/align code to parent user-created PHBs
  pnv_phb4_pec: Move pnv_phb4_get_pec() to rightful file
  pnv_phb4_pec: Only export existing PHBs to the device tree
  pnv_phb4_pec: Keep track of instantiated PHBs
  target/ppc/translate: Add dummy implementation for dcblc instruction

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-04 14:01:34 +00:00
Frederic Barrat
ddf0676f1a pnv_phb4_pec: Simplify/align code to parent user-created PHBs
When instantiating a user-created PHB on P9/P10, we don't really have
a reason any more to go through an indirection in pnv_chip_add_phb()
in pnv.c, we can go straight to the right function in
pnv_phb4_pec.c. That way, default PHBs and user-created PHBs are all
handled in the same file.  This patch also renames pnv_phb4_get_pec()
to pnv_pec_add_phb() to better reflect that it "hooks" a PHB to a PEC.

For P8, the PHBs are parented to the chip directly, so it makes sense
to keep calling pnv_chip_add_phb() in pnv.c, to also be consistent
with where default PHBs are handled. The only change here is that,
since that function is now only used for P8, we can refine the return
type.

So overall, the PnvPHB front-end now has a pnv_phb_user_get_parent()
function which handles the parenting of the user-created PHBs by
calling the right function in the right file based on the processor
version. It's also easily extensible if we ever need to support a
different parent object.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20230302163715.129635-5-fbarrat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-03-03 16:50:17 -03:00
Frederic Barrat
fa9dc22aec pnv_phb4_pec: Move pnv_phb4_get_pec() to rightful file
The function pnv_phb4_get_pec() exposes some internals of the PEC and
PHB logic, yet it was in the higher level hw/ppc/pnv.c file for
historical reasons: P8 implements the PHBs from pnv.c directly, but on
P9/P10, it's done through the CEC model, which has its own file. So
move pnv_phb4_get_pec() to hw/pci-host/pnv_phb4_pec.c, where it fits
naturally.

While at it, replace the PnvPHB4 parameter by the PnvPHB front-end,
since it has all the information needed and simplify it a bit.

No functional changes.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20230302163715.129635-4-fbarrat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-03-03 16:50:17 -03:00
Frederic Barrat
cd9b1cf96e pnv_phb4_pec: Only export existing PHBs to the device tree
So far, we were always exporting all possible PHBs to the device
tree. It works well when using the default config but it potentially
adds non-existing devices when using '-nodefaults' and user-created
PHBs, causing the firmware (skiboot) to report errors when probing
those PHBs. This patch only exports PHBs which have been realized to
the device tree.

Fixes: d786be3fe7 ("ppc/pnv: enable user created pnv-phb for powernv9")
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20230302163715.129635-3-fbarrat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-03-03 16:50:17 -03:00
Frederic Barrat
1068ebb606 pnv_phb4_pec: Keep track of instantiated PHBs
Add an array on the PEC object to keep track of the PHBs which are
instantiated. The array can be sparsely populated when using
user-created PHBs. It will be useful for the next patch to only export
instantiated PHBs in the device tree.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20230302163715.129635-2-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-03-03 16:50:17 -03:00
Peter Maydell
cad8db9865 aspeed queue:
* fix for the Aspeed I2C slave mode
 * a new I2C echo device from Klaus and its associated test in avocado.
 * initial SoC cleanups to allow the use of block devices instead of
   drives on the command line.
 * new facebook machines and eeprom fixes for the Fuji
 * readline fix
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Merge tag 'pull-aspeed-20230302' of https://github.com/legoater/qemu into staging

aspeed queue:

* fix for the Aspeed I2C slave mode
* a new I2C echo device from Klaus and its associated test in avocado.
* initial SoC cleanups to allow the use of block devices instead of
  drives on the command line.
* new facebook machines and eeprom fixes for the Fuji
* readline fix

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# 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

* tag 'pull-aspeed-20230302' of https://github.com/legoater/qemu:
  aspeed/smc: Replace SysBus IRQs with GPIO lines
  aspeed: Add a boot_rom overlap region in the SoC spi_boot container
  aspeed: Introduce a spi_boot region under the SoC
  aspeed/fuji : correct the eeprom size
  hw/at24c : modify at24c to support 1 byte address mode
  hw/arm/aspeed: Adding new machine Tiogapass in QEMU
  hw/arm/aspeed: Adding new machine Yosemitev2 in QEMU
  tests/avocado/machine_aspeed.py: Add an I2C slave test
  hw/misc: add a toy i2c echo device
  hw/i2c: only schedule pending master when bus is idle
  readline: fix hmp completion issue

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-03 17:11:22 +00:00
Peter Maydell
bfbcaae963 pull-loongarch-20230303
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Merge tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20230303

# -----BEGIN PGP SIGNATURE-----
#
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# gpg: Signature made Fri 03 Mar 2023 02:31:03 GMT
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown]
# 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: B8FF 1DA0 D2FD CB2D A09C  6C2C 40A2 FFF2 3926 3EDF

* tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu:
  hw/loongarch/virt: add system_powerdown hmp command support
  target/loongarch: Implement Chip Configuraiton Version Register(0x0000)
  docs/system/loongarch: update loongson3.rst and rename it to virt.rst
  loongarch: Add smbios command line option.
  hw/loongarch/virt: rename PCH_PIC_IRQ_OFFSET with VIRT_GSI_BASE

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-03 17:11:13 +00:00
Peter Maydell
66577e9e1c virtio,pc,pci: features, cleanups, fixes
vhost-user support without ioeventfd
 word replacements in vhost user spec
 shpc improvements
 
 cleanups, fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

vhost-user support without ioeventfd
word replacements in vhost user spec
shpc improvements

cleanups, fixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# -----BEGIN PGP SIGNATURE-----
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# =hN3h
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 03 Mar 2023 00:13:56 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (53 commits)
  tests/data/acpi/virt: drop (most) duplicate files.
  hw/cxl/mailbox: Use new UUID network order define for cel_uuid
  qemu/uuid: Add UUID static initializer
  qemu/bswap: Add const_le64()
  tests: acpi: Update q35/DSDT.cxl for removed duplicate UID
  hw/i386/acpi: Drop duplicate _UID entry for CXL root bridge
  tests/acpi: Allow update of q35/DSDT.cxl
  hw/cxl: Add CXL_CAPACITY_MULTIPLIER definition
  hw/cxl: set cxl-type3 device type to PCI_CLASS_MEMORY_CXL
  hw/pci-bridge/cxl_downstream: Fix type naming mismatch
  hw/mem/cxl_type3: Improve error handling in realize()
  MAINTAINERS: Add Fan Ni as Compute eXpress Link QEMU reviewer
  intel-iommu: send UNMAP notifications for domain or global inv desc
  smmu: switch to use memory_region_unmap_iommu_notifier_range()
  memory: introduce memory_region_unmap_iommu_notifier_range()
  intel-iommu: fail DEVIOTLB_UNMAP without dt mode
  intel-iommu: fail MAP notifier without caching mode
  memory: Optimize replay of guest mapping
  chardev/char-socket: set s->listener = NULL in char_socket_finalize
  hw/pci: Trace IRQ routing on PCI topology
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-03 13:35:54 +00:00
Peter Maydell
76116e28e1 Fifth RISC-V PR for QEMU 8.0
* Experimantal support for writable misa.
 * Support for Svadu extension.
 * Support for the Zicond extension.
 * Fixes to gdbstub, CSR accesses, dependencies between the various
   floating-point exceptions, and XTheadMemPair.
 * Many cleanups.
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Merge tag 'pull-riscv-to-apply-20230303' of https://gitlab.com/palmer-dabbelt/qemu into staging

Fifth RISC-V PR for QEMU 8.0

* Experimantal support for writable misa.
* Support for Svadu extension.
* Support for the Zicond extension.
* Fixes to gdbstub, CSR accesses, dependencies between the various
  floating-point exceptions, and XTheadMemPair.
* Many cleanups.

# -----BEGIN PGP SIGNATURE-----
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# tRDPFb7pitwdlA==
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 03 Mar 2023 08:24:21 GMT
# gpg:                using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmerdabbelt@google.com>" [unknown]
# 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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41
#      Subkey fingerprint: 2B3C 3747 4468 43B2 4A94  3A7A 2E13 19F3 5FBB 1889

* tag 'pull-riscv-to-apply-20230303' of https://gitlab.com/palmer-dabbelt/qemu: (59 commits)
  target/riscv/vector_helper.c: avoid env_archcpu() when reading RISCVCPUConfig
  target/riscv/vector_helper.c: create vext_set_tail_elems_1s()
  target/riscv/csr.c: avoid env_archcpu() usages when reading RISCVCPUConfig
  target/riscv/csr.c: use riscv_cpu_cfg() to avoid env_cpu() pointers
  target/riscv/csr.c: simplify mctr()
  target/riscv/csr.c: use env_archcpu() in ctr()
  target/riscv: Export Svadu property
  target/riscv: Add *envcfg.HADE related check in address translation
  target/riscv: Add *envcfg.PBMTE related check in address translation
  target/riscv: Add csr support for svadu
  target/riscv: Fix the relationship of PBMTE/STCE fields between menvcfg and henvcfg
  target/riscv: Fix the relationship between menvcfg.PBMTE/STCE and Svpbmt/Sstc extensions
  hw/riscv: Move the dtb load bits outside of create_fdt()
  hw/riscv: Skip re-generating DT nodes for a given DTB
  target/riscv: Add support for Zicond extension
  RISC-V: XTheadMemPair: Remove register restrictions for store-pair
  target/riscv: Fix checking of whether instruciton at 'pc_next' spans pages
  target/riscv: Group all predicate() routines together
  target/riscv: Drop priv level check in mseccfg predicate()
  target/riscv: Allow debugger to access sstc CSRs
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-03 11:04:46 +00:00
Song Gao
0d588c4f99
hw/loongarch/virt: add system_powerdown hmp command support
For loongarch virt machine, add powerdown notification callback
and send ACPI_POWER_DOWN_STATUS event by acpi ged. Also add
acpi dsdt table for ACPI_POWER_BUTTON_DEVICE device in this
patch.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230303010548.295580-1-gaosong@loongson.cn>
2023-03-03 09:37:30 +08:00
Bibo Mao
456eb81f76
hw/loongarch/virt: rename PCH_PIC_IRQ_OFFSET with VIRT_GSI_BASE
In theory gsi base can start from 0 on loongarch virt machine,
however gsi base is hard-coded in linux kernel loongarch system,
else system fails to boot.

This patch renames macro PCH_PIC_IRQ_OFFSET with VIRT_GSI_BASE,
keeps value unchanged. GSI base is common concept in acpi spec
and easy to understand.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20221228030719.991878-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2023-03-03 09:37:26 +08:00
Ira Weiny
e16add2b6b hw/cxl/mailbox: Use new UUID network order define for cel_uuid
The cel_uuid was programatically generated previously because there was
no static initializer for network order UUIDs.

Use the new network order initializer for cel_uuid.  Adjust
cxl_initialize_mailbox() because it can't fail now.

Update specification reference.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Tested-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Message-Id: <20230206172816.8201-11-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jonathan Cameron
ab99a33d66 hw/i386/acpi: Drop duplicate _UID entry for CXL root bridge
Noticed as this prevents iASL disasembling the DSDT table.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Tested-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230206172816.8201-7-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Gregory Price
1c580bed9a hw/cxl: Add CXL_CAPACITY_MULTIPLIER definition
Remove usage of magic numbers when accessing capacity fields and replace
with CXL_CAPACITY_MULTIPLIER, matching the kernel definition.

Signed-off-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Message-Id: <20230206172816.8201-5-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Gregory Price
2ef5063610 hw/cxl: set cxl-type3 device type to PCI_CLASS_MEMORY_CXL
Current code sets to STORAGE_EXPRESS and then overrides it.

Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230206172816.8201-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jonathan Cameron
9518d8bc44 hw/pci-bridge/cxl_downstream: Fix type naming mismatch
Fix capitalization difference between struct name and typedef.

Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Tested-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230206172816.8201-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jonathan Cameron
de8a7394f0 hw/mem/cxl_type3: Improve error handling in realize()
msix_init_exclusive_bar() can fail, so if it does cleanup the address space.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Tested-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230206172816.8201-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Peter Xu
3e090e3489 intel-iommu: send UNMAP notifications for domain or global inv desc
We don't send UNMAP notification upon domain or global invalidation
which will lead the notifier can't work correctly. One example is to
use vhost remote IOTLB without enabling device IOTLB.

Fixing this by sending UNMAP notification.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230223065924.42503-6-jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jason Wang
98332f643e smmu: switch to use memory_region_unmap_iommu_notifier_range()
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230223065924.42503-5-jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jason Wang
09adb0e021 intel-iommu: fail DEVIOTLB_UNMAP without dt mode
Without dt mode, device IOTLB notifier won't work since guest won't
send device IOTLB invalidation descriptor in this case. Let's fail
early instead of misbehaving silently.

Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Tested-by: Viktor Prutyanov <viktor@daynix.com>
Buglink: https://bugzilla.redhat.com/2156876
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230223065924.42503-3-jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Jason Wang
b8d78277c0 intel-iommu: fail MAP notifier without caching mode
Without caching mode, MAP notifier won't work correctly since guest
won't send IOTLB update event when it establishes new mappings in the
I/O page tables. Let's fail the IOMMU notifiers early instead of
misbehaving silently.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Viktor Prutyanov <viktor@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230223065924.42503-2-jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Zhenzhong Duan
6da2434186 memory: Optimize replay of guest mapping
On x86, there are two notifiers registered due to vtd-ir memory region
splitting the whole address space. During replay of the address space
for each notifier, the whole address space is scanned which is
unnecessory.

We only need to scan the space belong to notifier montiored space.

Assert when notifier is used to monitor beyond iommu memory region's
address space.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20230215065238.713041-1-zhenzhong.duan@intel.com>
Acked-by: Peter Xu <peterx@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Philippe Mathieu-Daudé
28566eab2d hw/pci: Trace IRQ routing on PCI topology
Trace how IRQ are rooted from EP to RC.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230211152239.88106-3-philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:52 -05:00
Carlos López
e4dd39c699 vhost: avoid a potential use of an uninitialized variable in vhost_svq_poll()
In vhost_svq_poll(), if vhost_svq_get_buf() fails due to a device
providing invalid descriptors, len is left uninitialized and returned
to the caller, potentally leaking stack data or causing undefined
behavior.

Fix this by initializing len to 0.

Found with GCC 13 and -fanalyzer (abridged):

../hw/virtio/vhost-shadow-virtqueue.c: In function ‘vhost_svq_poll’:
../hw/virtio/vhost-shadow-virtqueue.c:538:12: warning: use of uninitialized value ‘len’ [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
  538 |     return len;
      |            ^~~
  ‘vhost_svq_poll’: events 1-4
    |
    |  522 | size_t vhost_svq_poll(VhostShadowVirtqueue *svq)
    |      |        ^~~~~~~~~~~~~~
    |      |        |
    |      |        (1) entry to ‘vhost_svq_poll’
    |......
    |  525 |     uint32_t len;
    |      |              ~~~
    |      |              |
    |      |              (2) region created on stack here
    |      |              (3) capacity: 4 bytes
    |......
    |  528 |         if (vhost_svq_more_used(svq)) {
    |      |             ~
    |      |             |
    |      |             (4) inlined call to ‘vhost_svq_more_used’ from ‘vhost_svq_poll’

    (...)

    |  528 |         if (vhost_svq_more_used(svq)) {
    |      |            ^~~~~~~~~~~~~~~~~~~~~~~~~
    |      |            ||
    |      |            |(8) ...to here
    |      |            (7) following ‘true’ branch...
    |......
    |  537 |     vhost_svq_get_buf(svq, &len);
    |      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    |      |     |
    |      |     (9) calling ‘vhost_svq_get_buf’ from ‘vhost_svq_poll’
    |
    +--> ‘vhost_svq_get_buf’: events 10-11
           |
           |  416 | static VirtQueueElement *vhost_svq_get_buf(VhostShadowVirtqueue *svq,
           |      |                          ^~~~~~~~~~~~~~~~~
           |      |                          |
           |      |                          (10) entry to ‘vhost_svq_get_buf’
           |......
           |  423 |     if (!vhost_svq_more_used(svq)) {
           |      |          ~
           |      |          |
           |      |          (11) inlined call to ‘vhost_svq_more_used’ from ‘vhost_svq_get_buf’
           |

           (...)

           |
         ‘vhost_svq_get_buf’: event 14
           |
           |  423 |     if (!vhost_svq_more_used(svq)) {
           |      |        ^
           |      |        |
           |      |        (14) following ‘false’ branch...
           |
         ‘vhost_svq_get_buf’: event 15
           |
           |cc1:
           | (15): ...to here
           |
    <------+
    |
  ‘vhost_svq_poll’: events 16-17
    |
    |  537 |     vhost_svq_get_buf(svq, &len);
    |      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
    |      |     |
    |      |     (16) returning to ‘vhost_svq_poll’ from ‘vhost_svq_get_buf’
    |  538 |     return len;
    |      |            ~~~
    |      |            |
    |      |            (17) use of uninitialized value ‘len’ here

Note by  Laurent Vivier <lvivier@redhat.com>:

    The return value is only used to detect an error:

    vhost_svq_poll
        vhost_vdpa_net_cvq_add
            vhost_vdpa_net_load_cmd
                vhost_vdpa_net_load_mac
                  -> a negative return is only used to detect error
                vhost_vdpa_net_load_mq
                  -> a negative return is only used to detect error
            vhost_vdpa_net_handle_ctrl_avail
              -> a negative return is only used to detect error

Fixes: d368c0b052 ("vhost: Do not depend on !NULL VirtQueueElement on vhost_svq_flush")
Signed-off-by: Carlos López <clopez@suse.de>
Message-Id: <20230213085747.19956-1-clopez@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-03-02 19:13:51 -05:00