This reverts commit 433cd6d94a.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit 45ccdbcb24.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Treat it as a MIPS64 machine.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We have implemented trigger_common_match(), which checks if the enabled
privilege levels of the trigger match CPU's current privilege level. We
can invoke trigger_common_match() to check the privilege levels of the
type 3 triggers.
Signed-off-by: Alvin Chang <alvinga@andestech.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240626132247.2761286-4-alvinga@andestech.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
We have implemented trigger_common_match(), which checks if the enabled
privilege levels of the trigger match CPU's current privilege level.
Remove the related code in riscv_cpu_debug_check_watchpoint() and invoke
trigger_common_match() to check the privilege levels of the type 2 and
type 6 triggers for the watchpoints.
This commit also changes the behavior of looping the triggers. In
previous implementation, if we have a type 2 trigger and
env->virt_enabled is true, we directly return false to stop the loop.
Now we keep looping all the triggers until we find a matched trigger.
Only load/store bits and loaded/stored address should be further checked
in riscv_cpu_debug_check_watchpoint().
Signed-off-by: Alvin Chang <alvinga@andestech.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240626132247.2761286-3-alvinga@andestech.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
According to RISC-V Debug specification version 0.13 [1] (also applied
to version 1.0 [2] but it has not been ratified yet), there are several
common matching conditions before firing a trigger, including the
enabled privilege levels of the trigger.
This commit adds trigger_common_match() to prepare the common matching
conditions for the type 2/3/6 triggers. For now, we just implement
trigger_priv_match() to check if the enabled privilege levels of the
trigger match CPU's current privilege level.
Remove the related code in riscv_cpu_debug_check_breakpoint() and invoke
trigger_common_match() to check the privilege levels of the type 2 and
type 6 triggers for the breakpoints.
This commit also changes the behavior of looping the triggers. In
previous implementation, if we have a type 2 trigger and
env->virt_enabled is true, we directly return false to stop the loop.
Now we keep looping all the triggers until we find a matched trigger.
Only the execution bit and the executed PC should be futher checked in
riscv_cpu_debug_check_breakpoint().
[1]: https://github.com/riscv/riscv-debug-spec/releases/tag/task_group_vote
[2]: https://github.com/riscv/riscv-debug-spec/releases/tag/1.0.0-rc1-asciidoc
Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240626132247.2761286-2-alvinga@andestech.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Remove the old-fashioned extension auto-update check statements as
they are replaced by the extension implied rules.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240625114629.27793-7-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Zc extension has special implied rules that need to be handled separately.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240625114629.27793-6-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Add multi extension implied rules to enable the implied extensions of
the multi extension recursively.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240625114629.27793-5-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Add MISA extension implied rules to enable the implied extensions
of MISA recursively.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240625114629.27793-4-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Introduce helpers to enable the extensions based on the implied rules.
The implied extensions are enabled recursively, so we don't have to
expand all of them manually. This also eliminates the old-fashioned
ordering requirement. For example, Zvksg implies Zvks, Zvks implies
Zvksed, etc., removing the need to check the implied rules of Zvksg
before Zvks.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240625114629.27793-3-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
RISCVCPUImpliedExtsRule is created to store the implied rules.
'is_misa' flag is used to distinguish whether the rule is derived
from the MISA or other extensions.
'ext' stores the MISA bit if 'is_misa' is true. Otherwise, it stores
the offset of the extension defined in RISCVCPUConfig. 'ext' will also
serve as the key of the hash tables to look up the rule in the following
commit.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Tested-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240625114629.27793-2-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
When icount is enabled, rather than returning the virtual CPU time, we
should return the instruction count itself. Add an instructions bool
parameter to get_ticks() to correctly return icount_get_raw() when
icount_enabled() == 1 and instruction count is queried. This will modify
the existing behavior which was returning an instructions count close to
the number of cycles (CPI ~= 1).
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Message-ID: <20240618112649.76683-1-cleger@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
helper_froundnx_h function mistakenly uses single percision nanbox
check instead of the half percision one. This patch fixes the issue.
Signed-off-by: Branislav Brzak <brzakbranislav@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240608214546.226963-1-brzakbranislav@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
RISC-V virt is currently missing default type for block devices. Without
this being set, proper backend is not created when option like -cdrom
is used. So, make the virt board's default block device type be
IF_VIRTIO similar to other architectures.
We also need to set no_cdrom to avoid getting a default cdrom device.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240620064718.275427-1-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Based on the priv-1.13.0, add the exception codes for Software-check and
Hardware-error.
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606135454.119186-6-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Based on privileged spec 1.13, the RV32 needs to implement MEDELEGH
and HEDELEGH for exception codes 32-47 for reserving and exception codes
48-63 for custom use. Add the CSR number though the implementation is
just reading zero and writing ignore. Besides, for accessing HEDELEGH, it
should be controlled by mstateen0 'P1P13' bit.
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606135454.119186-5-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Based on privilege 1.13 spec, there should be a bit56 for 'P1P13' in
mstateen0 that controls access to the hedeleg.
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Weiwei Li <liwei1518@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606135454.119186-4-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Add macros and variables for RISC-V privilege 1.13 support.
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Weiwei Li <liwei1518@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606135454.119186-3-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Public the conversion function of priv_spec in cpu.h, so that tcg-cpu.c
could also use it.
Signed-off-by: Jim Shu <jim.shu@sifive.com>
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606135454.119186-2-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
To enable the KVM GUEST DEBUG for RISC-V at QEMU side.
Signed-off-by: Chao Du <duchao@eswincomputing.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606014501.20763-4-duchao@eswincomputing.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
If the breakpoint belongs to the userspace then set the ret value.
Signed-off-by: Chao Du <duchao@eswincomputing.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606014501.20763-3-duchao@eswincomputing.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This patch implements insert/remove software breakpoint process.
For RISC-V, GDB treats single-step similarly to breakpoint: add a
breakpoint at the next step address, then continue. So this also
works for single-step debugging.
Implement kvm_arch_update_guest_debug(): Set the control flag
when there are active breakpoints. This will help KVM to know
the status in the userspace.
Add some stubs which are necessary for building, and will be
implemented later.
Signed-off-by: Chao Du <duchao@eswincomputing.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240606014501.20763-2-duchao@eswincomputing.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The DT docs for riscv,imsics [1] requires a 'msi-cell' property. Add one
and set it zero.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,imsics.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: 28d8c28120 ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240531202759.911601-9-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The DT docs for riscv,imsics [1] predicts a 'qemu,imsics' enum in the
'compatible' property.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,imsics.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: 28d8c28120 ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-8-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The Linux DT docs for imsic [1] predicts an 'interrupt-controller@addr'
node, not 'imsic@addr', given this node inherits the
'interrupt-controller' node.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,imsics.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: 28d8c28120 ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The DT docs for riscv,aplic [1] predicts a 'riscv,delegation' property.
Not 'riscv,delegate'.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,aplic.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: e6faee6585 ("hw/riscv: virt: Add optional AIA APLIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-6-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The DT docs for riscv,aplic [1] predicts a 'qemu,aplic' enum in the
'compatible' property.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,aplic.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: e6faee6585 ("hw/riscv: virt: Add optional AIA APLIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-5-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The correct name of the aplic controller node, as per Linux kernel DT
docs [1], is 'interrupt-controller@addr'.
[1] Documentation/devicetree/bindings/interrupt-controller/riscv,aplic.yaml
Reported-by: Conor Dooley <conor@kernel.org>
Fixes: e6faee6585 ("hw/riscv: virt: Add optional AIA APLIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-4-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
We'll change the aplic DT nodename in the next patch and the name is
hardcoded in 2 different functions. Create a helper to change a single
place later.
While we're at it, in create_fdt_socket_aplic(), move 'aplic_name'
inside the conditional to avoid allocating a string that won't be used
when socket == NULL.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-3-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
We need #address-cells properties in all interrupt controllers that are
referred by an interrupt-map [1]. For the RISC-V machine, both PLIC and
APLIC controllers must have this property.
PLIC already sets it in create_fdt_socket_plic(). Set the property for
APLIC in create_fdt_one_aplic().
[1] https://lore.kernel.org/linux-arm-kernel/CAL_JsqJE15D-xXxmELsmuD+JQHZzxGzdXvikChn6KFWqk6NzPw@mail.gmail.com/
Suggested-by: Anup Patel <apatel@ventanamicro.com>
Fixes: e6faee6585 ("hw/riscv: virt: Add optional AIA APLIC support to virt machine")
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240531202759.911601-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
According to RISC-V crypto spec, Zvkb extension is a
subset of the Zvbb extension [1].
1: 1769c2609b/doc/vector/riscv-crypto-vector-zvkb.adoc (L10)
Signed-off-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240528130349.20193-1-jerry.zhangjian@sifive.com>
[ Changes by AF:
- Tidy up commit message
- Rebase
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Qemu maps IRQs 0:15 for core interrupts and 16 onward for
guest interrupts which are later translated to hgiep in
`riscv_cpu_set_irq()` function.
With virtual IRQ support added, software now can fully
use the whole local interrupt range without any actual
hardware attached.
This change moves the guest interrupt range after the
core local interrupt range to avoid clash.
Fixes: 1697837ed9 ("target/riscv: Add M-mode virtual interrupt and IRQ filtering support.")
Fixes: 40336d5b1d ("target/riscv: Add HS-mode virtual interrupt and IRQ filtering support.")
Signed-off-by: Rajnesh Kanwal <rkanwal@rivosinc.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240520125157.311503-3-rkanwal@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
AIA extends the width of all IRQ CSRs to 64bit even
in 32bit systems by adding missing half CSRs.
This seems to be missed while adding support for
virtual IRQs. The whole logic seems to be correct
except the width of the masks.
Fixes: 1697837ed9 ("target/riscv: Add M-mode virtual interrupt and IRQ filtering support.")
Fixes: 40336d5b1d ("target/riscv: Add HS-mode virtual interrupt and IRQ filtering support.")
Signed-off-by: Rajnesh Kanwal <rkanwal@rivosinc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240520125157.311503-2-rkanwal@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
One fix and various cleanups for the SD card model.
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Merge tag 'sdmmc-20240624' of https://github.com/philmd/qemu into staging
SD/MMC patches queue
One fix and various cleanups for the SD card model.
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# gpg: Signature made Mon 24 Jun 2024 06:13:57 AM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
* tag 'sdmmc-20240624' of https://github.com/philmd/qemu:
hw/sd/sdcard: Add comments around registers and commands
hw/sd/sdcard: Inline BLK_READ_BLOCK / BLK_WRITE_BLOCK macros
hw/sd/sdcard: Add sd_invalid_mode_for_cmd to report invalid mode switch
hw/sd/sdcard: Only call sd_req_get_address() where address is used
hw/sd/sdcard: Factor sd_req_get_address() method out
hw/sd/sdcard: Only call sd_req_get_rca() where RCA is used
hw/sd/sdcard: Factor sd_req_get_rca() method out
hw/sd/sdcard: Have cmd_valid_while_locked() return a boolean value
hw/sd/sdcard: Trace update of block count (CMD23)
hw/sd/sdcard: Remove explicit entries for illegal commands
hw/sd/sdcard: Remove ACMD6 handler for SPI mode
hw/sd/sdcard: Use Load/Store API to fill some CID/CSD registers
hw/sd/sdcard: Use registerfield CSR::CURRENT_STATE definition
hw/sd/sdcard: Use HWBLOCK_SHIFT definition instead of magic values
hw/sd/sdcard: Fix typo in SEND_OP_COND command name
hw/sd/sdcard: Rewrite sd_cmd_ALL_SEND_CID using switch case (CMD2)
hw/sd/sdcard: Correct code indentation
hw/sd/sdcard: Avoid OOB in sd_read_byte() during unexpected CMD switch
bswap: Add st24_be_p() to store 24 bits in big-endian order
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
vfio_container_destroy() clears the resources allocated
VFIOContainerBase object. Now that VFIOContainerBase is a QOM object,
add an instance_finalize() handler to do the cleanup. It will be
called through object_unref().
Suggested-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Just as we did for the VFIOContainerBase object, introduce an
instance_init() handler for the legacy VFIOContainer object and do the
specific initialization there.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
It's now empty.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Instead, use VFIO_IOMMU_GET_CLASS() to get the class pointer.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This allows us to move the initialization code from vfio_container_init(),
which we will soon remove.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Instead of allocating the container struct, create a QOM object of the
appropriate type.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
VFIOContainerBase was made a QOM interface because we believed that a
QOM object would expose all the IOMMU backends to the QEMU machine and
human interface. This only applies to user creatable devices or objects.
Change the VFIOContainerBase nature from interface to object and make
the necessary adjustments in the VFIO_IOMMU hierarchy.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Since the QEMU struct type representing the VFIO container is deduced
from the IOMMU type exposed by the host, this type should be well
defined *before* creating the container struct. This will be necessary
to instantiate a QOM object of the correct type in future changes.
Rework vfio_set_iommu() to extract the part doing the container
initialization and move it under vfio_create_container().
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This routine allocates the QEMU struct type representing the VFIO
container. It is minimal currently and future changes will do more
initialization.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Rework vfio_get_iommu_class() to return a literal class name instead
of a class object. We will need this name to instantiate the object
later on. Since the default case asserts, remove the error report as
QEMU will simply abort before.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
The 'container' pointer has no other use than its 'fd' attribute.
Simplify the prototype to ease future changes.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Assign the base container VFIOAddressSpace 'space' pointer in
vfio_address_space_insert(). The ultimate goal is to remove
vfio_container_init() and instead rely on an .instance_init() handler
to perfom the initialization of VFIOContainerBase.
To be noted that vfio_connect_container() will assign the 'space'
pointer later in the execution flow. This should not have any
consequence.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
