A virtio-net device can be added as a SR-IOV VF to another virtio-pci
device that will be the PF.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-7-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Allow user to attach SR-IOV VF to a virtio-pci PF.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-6-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A user can create a SR-IOV device by specifying the PF with the
sriov-pf property of the VFs. The VFs must be added before the PF.
A user-creatable VF must have PCIDeviceClass::sriov_vf_user_creatable
set. Such a VF cannot refer to the PF because it is created before the
PF.
A PF that user-creatable VFs can be attached calls
pcie_sriov_pf_init_from_user_created_vfs() during realization and
pcie_sriov_pf_exit() when exiting.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-5-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A device cannot be a SR-IOV PF and a VF at the same time.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-3-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_config_get_bar_addr() had a division by vf_stride. vf_stride needs
to be non-zero when there are multiple VFs, but the specification does
not prohibit to make it zero when there is only one VF.
Do not perform the division for the first VF to avoid division by zero.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-2-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A SR-IOV VF cannot have a ROM BAR.
Co-developed-by: Yui Washizu <yui.washidu@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-1-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add serial number parameter in the cxl persistent examples.
Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-9-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
1) get alert configuration(Opcode 4201h)
2) set alert configuration(Opcode 4202h)
Signed-off-by: Sweta Kumari <s5.kumari@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-7-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
CXL spec 3.2 section 8.2.10.9.5.3 describes media operations commands.
CXL devices supports media operations Sanitize and Write zero command.
Signed-off-by: Vinayak Holikatti <vinayak.kh@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-6-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Move the code of calculation of sanitize duration into function
for usability by other sanitize routines
Estimate times based on:
https://pmem.io/documents/NVDIMM_DSM_Interface-V1.8.pdf
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Vinayak Holikatti <vinayak.kh@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-5-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add Get/Set Response Message Limit commands.
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
As of 3.1 spec, background commands can be canceled with a new
abort command. Implement the support, which is advertised in
the CEL. No ad-hoc context undoing is necessary as all the
command logic of the running bg command is done upon completion.
Arbitrarily, the on-going background cmd will not be aborted if
already at least 85% done;
A mutex is introduced to stabilize mbox request cancel command vs
the timer callback being fired scenarios (as well as reading the
mbox registers). While some operations under critical regions
may be unnecessary (irq notifying, cmd callbacks), this is not
a path where performance is important, so simplicity is preferred.
Tested-by: Ajay Joshi <ajay.opensrc@micron.com>
Reviewed-by: Ajay Joshi <ajay.opensrc@micron.com>
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When only the -kernel parameter is used to load the elf kernel, the initrd
is loaded in the ram. If the initrd size is too large, the loading fails,
resulting in a VM startup failure. This patch first loads initrd near
the kernel.
When the nearby memory space of the kernel is insufficient, it tries to
load it to the starting position of high memory. If there is still not
enough, qemu will report an error and ask the user to increase the memory
space for the virtual machine to boot.
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Message-Id: <20250506080946.817092-1-lixianglai@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Since memory region iomem supports memory access size with 1/2/4/8,
it can be used for memory region iomem8 and iomem32_high. Now remove
memory region iomem8 and iomem32_high, merge them into iomem together.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-5-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
The original iomem region only supports 4 bytes access size, set it ok
with 1/2/4/8 bytes. Also unaligned memory access is not supported.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Rename memory region iomem32_low with iomem, also change ops name
as follows:
loongarch_pch_pic_reg32_low_ops --> loongarch_pch_pic_ops
loongarch_pch_pic_low_readw --> loongarch_pch_pic_read
loongarch_pch_pic_low_writew --> loongarch_pch_pic_write
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-3-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add trace event trace_loongarch_pch_pic_read(), replaces the following
three events:
trace_loongarch_pch_pic_low_readw()
trace_loongarch_pch_pic_high_readw()
trace_loongarch_pch_pic_readb()
The similiar with write trace event.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add iomem8 region register write operation emulation in generic write
function loongarch_pch_pic_write(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add iomem32_high region register write operation emulation in generic
write function loongarch_pch_pic_write(), and use this function for
iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-12-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
For memory region iomem32_low, generic write callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-11-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add iomem8 region register read operation emulation in generic read
function loongarch_pch_pic_read(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-10-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add register read operation emulation in generic read function
loongarch_pch_pic_read(), and use this function for iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-9-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
For memory region iomem32_low, generic read callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-8-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
With the latest 7A1000 user manual, interrupt status register ISR is
read only. Here discard write operation with ISR register.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-7-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Parameter address for read and write callback in MemoryRegionOps is
relative offset with base address of this MemoryRegionOps. It can
be directly used as offset and offset calculation can be removed.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-6-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Register PCH_PIC_INT_ID constains version and supported irq number
information, and it is read only register. The detailed value can
be set at initial stage, rather than read callback.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-5-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
The meaning of macro definition STATUS_LO_START is simliar with
PCH_PIC_INT_STATUS, only that offset is different, the same for
macro POL_LO_START. Now remove these duplicated macro definitions.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Macro PCH_PIC_HTMSI_VEC_OFFSET and PCH_PIC_ROUTE_ENTRY_OFFSET is renamed
as PCH_PIC_HTMSI_VEC and PCH_PIC_ROUTE_ENTRY separately, it is easier to
understand.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-3-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
For some registers with width 8 bytes, its name is something like
PCH_PIC_INT_ID_LO and PCH_PIC_INT_ID_HI. From hardware manual,
register name is PCH_PIC_INT_ID instead. Here name PCH_PIC_INT_ID
is used, and PCH_PIC_INT_ID + 4 is used for PCH_PIC_INT_ID_HI.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
ASAN spotted a leaking string in machine_set_loadparm():
Direct leak of 9 byte(s) in 1 object(s) allocated from:
#0 0x560ffb5bb379 in malloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3
#1 0x7f1aca926518 in g_malloc ../glib/gmem.c:106
#2 0x7f1aca94113e in g_strdup ../glib/gstrfuncs.c:364
#3 0x560ffc8afbf9 in qobject_input_type_str ../qapi/qobject-input-visitor.c:542:12
#4 0x560ffc8a80ff in visit_type_str ../qapi/qapi-visit-core.c:349:10
#5 0x560ffbe6053a in machine_set_loadparm ../hw/s390x/s390-virtio-ccw.c:802:10
#6 0x560ffc0c5e52 in object_property_set ../qom/object.c:1450:5
#7 0x560ffc0d4175 in object_property_set_qobject ../qom/qom-qobject.c:28:10
#8 0x560ffc0c6004 in object_property_set_str ../qom/object.c:1458:15
#9 0x560ffbe2ae60 in update_machine_ipl_properties ../hw/s390x/ipl.c:569:9
#10 0x560ffbe2aa65 in s390_ipl_update_diag308 ../hw/s390x/ipl.c:594:5
#11 0x560ffbdee132 in handle_diag_308 ../target/s390x/diag.c:147:9
#12 0x560ffbebb956 in helper_diag ../target/s390x/tcg/misc_helper.c:137:9
#13 0x7f1a3c51c730 (/memfd:tcg-jit (deleted)+0x39730)
Cc: qemu-stable@nongnu.org
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250509174938.25935-1-farosas@suse.de>
Fixes: 1fd396e322 ("s390x: Register TYPE_S390_CCW_MACHINE properties as class properties")
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-4.0 machine is older than 6 years, so according to
our machine support policy, it can be removed now. The corresponding
v4.0 CPU feature group gets merged into the minimum feature group now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-10-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-3.1 machine is older than 6 years, so according to
our machine support policy, it can be removed now. The v3.1 CPU feature
group gets merged into the minimum CPU feature group now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-9-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-3.0 machine was the last one that used the
hpage_1m_allowed switch. Since we removed this machine type, we
can now remove the switch and the related code, too. This allows
us to get rid of the get_machine_class() hack and the big fat
warning comment there.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-8-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-3.0 machine is older than 6 years, so according to
our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-7-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-2.12 machine is older than 6 years, so according to
our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-6-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that the v2.11 machine type has been removed, it does not make
sense to keep the qemu_V2_11 feature set around. This is rather
the (minimum) feature set of the oldest supported machine now, so
rename it to qemu_MIN.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-5-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that the machine types 2.11 and older have been removed, we
don't need the "allow_all_mask_sizes" compatibility handling code
anymore and can remove it now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-4-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-2.11 machine is older than 6 years, so according
to our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-3-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The s390-ccw-virtio-2.10 machine is older than 6 years, so according
to our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-2-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This patch fixes an assertion error in isa_bus_get_irq() in
/hw/isa/isa-bus.c by adding a constraint to the irq property.
Patch v1 misused ISA_NUM_IRQS, pls ignore that.
Signed-off-by: Zheng Huang <hz1624917200@gmail.com>
Link: https://lore.kernel.org/r/6d228069-e38f-4c46-813f-edcccc5c47e4@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While Bochs's algorithms are pretty solid, there are small opportunities
to improve them or to make their logic more similar to TCG's handling
of condition codes.
- use a single bit for the difference between bits 0..7 of result and PF.
This is useful because "set only ZF" is not a common case.
- place SD in the same place as SF
- move CF and PO at bits 62 and 63 when target_ulong is 64-bits wide,
so that 64-bit ALU operations need fewer shifts
- use rotates to move CF and AF from auxbits to their eflags position
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
decode->op[N].ptr can contain either a host pointer (!) in CPUState
or a guest virtual address. Pass the whole struct to read_val_ext
and write_val_ext, so that it can decide the contents based on the
operand type.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that we can do so after the error code has been pushed, raising
the #DB exception for task-switch traps is trivial.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
