Commit Graph

95244 Commits

Author SHA1 Message Date
Richard Henderson
1746338ed6 target/nios2: Split out named structs for [IRJ]_TYPE
Currently the structures are anonymous within the macro.
Pull them out to standalone types.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-44-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
718db07714 target/nios2: Use tcg_constant_tl
Replace current uses of tcg_const_tl, and remove the frees.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-43-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
345b7a8757 target/nios2: Support division error exception
Division may (optionally) raise a division exception.
Since the linux kernel has been prepared for this for
some time, enable it by default.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-42-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
e8d12542ee target/nios2: Remove CPU_INTERRUPT_NMI
This interrupt bit is never set, so testing it in
nios2_cpu_has_work is pointless.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-41-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
2de70d2d96 target/nios2: Implement CR_STATUS.RSIE
Without EIC, this bit is RES1.  So set the bit at reset,
and add it to the readonly fields of CR_STATUS.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-40-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
b05550af11 target/nios2: Implement cpuid
Copy the existing cpu_index into the space reserved for CR_CPUID.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-39-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
796945d596 target/nios2: Prevent writes to read-only or reserved control fields
Create an array of masks which detail the writable and readonly
bits for each control register.  Apply them when writing to
control registers, including the write to status during eret.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-38-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
be77e1d5fe target/nios2: Clean up handling of tlbmisc in do_exception
The 4 lower bits, D, PERM, BAD, DBL, are unconditionally set on any
exception with EH=0, or so says Table 42 (Processor Status After
Taking Exception).

We currently do not set PERM or BAD at all, and only set/clear
DBL for tlb miss, and do not clear DBL for any other exception.

It is a bit confusing to set D in tlb_fill and the rest during
do_interrupt, so move the setting of D to do_interrupt as well.
To do this, split EXP_TLBD into two cases, EXCP_TLB_X and EXCP_TLB_D,
which allows us to distinguish them during do_interrupt.  Choose
a value for EXCP_TLB_D such that when truncated it produces the
correct value for exception.CAUSE.

Rename EXCP_TLB[RWX] to EXCP_PERM_[RWX], to emphasize that the
exception is permissions related.  Rename EXCP_SUPER[AD] to
EXCP_SUPERA_[DX] to emphasize that they are both "supervisor
address" exceptions, data and execute.

Retain the setting of tlbmisc.WE for the fast-tlb-miss path, as it
is being relied upon, but remove it from the permission path.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-37-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
34cccb7462 target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt
The register is entirely read-only for software, and we do not
implement ECC, so we need not deposit the cause into an existing
value; just create a new value from scratch.

Furthermore, exception.CAUSE is not written for break exceptions.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-36-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
af95a70a06 target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND
While some of the plumbing for misaligned data is present, in the form
of nios2_cpu_do_unaligned_access, the hook will not be called because
TARGET_ALIGNED_ONLY is not set in configs/targets/nios2-softmmu.mak.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-35-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
0e0824a1a9 target/nios2: Hoist CPU_LOG_INT logging
Performing this early means that we can merge more cases
within the non-logging switch statement.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-34-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
d8c5521cc4 target/nios2: Clean up nios2_cpu_do_interrupt
Split out do_exception and do_iic_irq to handle bulk of the interrupt and
exception processing.  Parameterize the changes required to cpu state.

The status.EH bit, which protects some data against double-faults,
is only present with the MMU.  Several exception cases did not check
for status.EH being set, as required.

The status.IH bit, which had been set by EXCP_IRQ, is exclusive to
the external interrupt controller, which we do not yet implement.
The internal interrupt controller, when the MMU is also present,
sets the status.EH bit.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-33-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
24ca31346e target/nios2: Create EXCP_SEMIHOST for semi-hosting
Decode 'break 1' during translation, rather than doing
it again during exception processing.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-32-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
bdb307b4d8 target/nios2: Move R_FOO and CR_BAR into enumerations
These symbols become available to the debugger.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-31-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
17c20fe3c8 target/nios2: Use hw/registerfields.h for CR_TLBMISC fields
Use FIELD_EX32 and FIELD_DP32 instead of managing the
masking by hand.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-30-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
8036281527 target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE
WE is the architectural name of the field, not WR.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-29-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
9d63656354 target/nios2: Use hw/registerfields.h for CR_TLBACC fields
Retain the helper macros for single bit fields as aliases to
the longer R_*_MASK names.  Use FIELD_EX32 and FIELD_DP32
instead of manually manipulating the fields.

Since we're rewriting the references to CR_TLBACC_IGN_* anyway,
we correct the name of this field to IG, which is its name in
the official CPU documentation.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-28-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
0a1fc63043 target/nios2: Use hw/registerfields.h for CR_TLBADDR fields
Use FIELD_EX32 and FIELD_DP32 instead of manual manipulation
of the fields.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-27-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
bf754c96b2 target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields
Use FIELD_DP32 instead of manual shifting and masking.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-26-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
e96568a461 target/nios2: Use hw/registerfields.h for CR_STATUS fields
Add all fields; retain the helper macros for single bit fields.
So far there are no uses of the multi-bit status fields.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-25-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
5dfb910d91 target/nios2: Clean up nios2_cpu_dump_state
Do not print control registers for user-only mode.
Rename reserved control registers to "resN", where
N is the control register index.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-24-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
b8f036a9fa target/nios2: Split control registers away from general registers
Place the control registers into their own array, env->ctrl[].

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-23-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
e237ac34db target/nios2: Remove cpu_interrupts_enabled
This function is unused.  The real computation of this value
is located in nios2_cpu_exec_interrupt.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-22-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
dd4c6ee227 linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs
Drop the set of estatus in init_thread; it was clearly intended
to be setting the value of CR_STATUS for the application, but we
never actually performed that copy.  However, the proper value is
set in nios2_cpu_reset so we don't need to do anything here.

We only initialize SP and EA in init_thread, there's no value in
copying other uninitialized data into ENV.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-21-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
f1ec078f9a target/nios2: Do not create TCGv for control registers
We don't need to reference them often, and when we do it
is just as easy to load/store from cpu_env directly.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-20-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
48da43b258 target/nios2: Fix BRET instruction
We had failed to copy BSTATUS back to STATUS, and diagnose
supervisor-only.  The spec is light on the specifics of the
implementation of bret, but it is an easy assumption that
the restore into STATUS should work the same as eret.

Therefore, reuse the existing helper_eret.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-19-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Amir Gonnen
8d855c89d1 target/nios2: Split out helper for eret instruction
The implementation of eret will become much more complex
with the introduction of shadow registers.

[rth: Split out of a larger patch for shadow register sets.
      Directly exit to the cpu loop from the helper.]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-18-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
17a406eec5 target/nios2: Split PC out of env->regs[]
It is cleaner to have a separate name for this variable.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-17-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Amir Gonnen
5ea3e9975b target/nios2: Add NUM_GP_REGS and NUM_CP_REGS
Split NUM_CORE_REGS into components that can be used elsewhere.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
[rth: Split out of a larger patch for shadow register sets.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-16-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
48b7eac207 target/nios2: Stop generating code if gen_check_supervisor fails
Whether the cpu is in user-mode or not is something that we
know at translation-time.  We do not need to generate code
after having raised an exception.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-15-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Amir Gonnen
b106e7b7e4 target/nios2: Check supervisor on eret
eret instruction is only allowed in supervisor mode.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-2-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-14-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
3a0a43ec3c linux-user/nios2: Use force_sig_fault for EXCP_DEBUG
Use the simpler signal interface, which forces us to supply
the missing PC value to si_addr.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-13-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
d2a11b40a4 target/nios2: Build helper.c for system only
Remove the #ifdef !defined(CONFIG_USER_ONLY) that surrounds
the whole file, and move helper.c to nios2_softmmu_ss.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-12-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
fb4de9d235 target/nios2: Remove nios2_cpu_record_sigsegv
Since f5ef0e518d, we have a real page mapped for kuser,
which means the special casing for SIGSEGV can go away.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-11-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
3c818909b0 target/nios2: Remove user-only nios2_cpu_do_interrupt
Since 7827168471, this function is unused for user-only,
when the TCGCPUOps.do_interrupt hook itself became system-only.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-10-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
20e7524ff9 tests/tcg/nios2: Re-enable linux-user tests
Now that threads and signals have been fixed, re-enable tests.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-9-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
1b5fb4d252 linux-user/nios2: Use QEMU_ESIGRETURN from do_rt_sigreturn
Drop the kernel-specific "pr2" code structure and use
the qemu-specific error return value.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-8-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
dfb810bcaa linux-user/nios2: Remove do_sigreturn
There is no sigreturn syscall, only rt_sigreturn.
This function is unused.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-7-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
b9ef5b3138 linux-user/nios2: Handle special qemu syscall return values
Honor QEMU_ESIGRETURN and QEMU_ERESTARTSYS.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-6-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
b3a219b70e linux-user/nios2: Adjust error return
Follow the kernel assembly, which considers all negative
return values to be errors.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-5-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
66254caa42 linux-user/nios2: Drop syscall 0 "workaround"
Syscall 0 is __NR_io_setup for this target; there is nothing
to work around.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: a0a839b65b ("nios2: Add usermode binaries emulation")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-4-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
42192df83a linux-user/nios2: Fix clone child return
The child side of clone needs to set the secondary
syscall return value, r7, to indicate syscall success.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-3-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
892d0f4afb linux-user/nios2: Hoist pc advance to the top of EXCP_TRAP
Note that this advance *should* be done by the translator, as
that's the pc value that's supposed to be generated by hardware.
However, that's a much larger change across sysemu as well.

In the meantime, produce the correct PC for any signals raised
by the trap instruction.  Note the special case of TRAP_BRKPT,
which itself is special cased within the kernel.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-2-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
a1755db71e Block patches:
- New @force parameter for blockdev-change-medium
 - Improvements to the iotests to help with debugging
 - Fix iotest 108 on systems without user_allow_other in fuse.conf
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Merge tag 'pull-block-2022-04-25' of https://gitlab.com/hreitz/qemu into staging

Block patches:
- New @force parameter for blockdev-change-medium
- Improvements to the iotests to help with debugging
- Fix iotest 108 on systems without user_allow_other in fuse.conf

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# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [undefined]
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* tag 'pull-block-2022-04-25' of https://gitlab.com/hreitz/qemu:
  iotests/108: Fix when missing user_allow_other
  iotests: make qemu_io_log() check return codes by default
  iotests: remove qemu_io_silent() and qemu_io_silent_check().
  iotests: remove qemu_io_pipe_and_status()
  iotests/image-fleecing: switch to qemu_io()
  iotests/migration-permissions: use assertRaises() for qemu_io() negative test
  iotests: rebase qemu_io() on top of qemu_tool()
  iotests: create generic qemu_tool() function
  iotests/040: Fix TestCommitWithFilters test
  iotests/040: Don't check image pattern on zero-length image
  iotests: Don't check qemu_io() output for specific error strings
  iotests/163: Fix broken qemu-io invocation
  iotests: replace calls to log(qemu_io(...)) with qemu_io_log()
  block: add 'force' parameter to 'blockdev-change-medium' command

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-25 13:35:41 -07:00
Richard Henderson
c49abc8406 Pull request
Small contrib/vhost-user-blk, contrib/vhost-user-scsi, and tools/virtiofsd
 improvements.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Small contrib/vhost-user-blk, contrib/vhost-user-scsi, and tools/virtiofsd
improvements.

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* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  virtiofsd: Add docs/helper for killpriv_v2/no_killpriv_v2 option
  contrib/vhost-user-blk: add missing GOptionEntry NULL terminator
  Implements Backend Program conventions for vhost-user-scsi

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-25 10:21:56 -07:00
Hanna Reitz
348a0740af iotests/108: Fix when missing user_allow_other
FUSE exports' allow-other option defaults to "auto", which means that it
will try passing allow_other as a mount option, and fall back to not
using it when an error occurs.  We make no effort to hide fusermount's
error message (because it would be difficult, and because users might
want to know about the fallback occurring), and so when allow_other does
not work (primarily when /etc/fuse.conf does not contain
user_allow_other), this error message will appear and break the
reference output.

We do not need allow_other here, though, so we can just pass
allow-other=off to fix that.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220421142435.569600-1-hreitz@redhat.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
2022-04-25 14:46:45 +02:00
John Snow
40bfeae134 iotests: make qemu_io_log() check return codes by default
Just like qemu_img_log(), upgrade qemu_io_log() to enforce a return code
of zero by default.

Tests that use qemu_io_log(): 242 245 255 274 303 307 nbd-reconnect-on-open

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-13-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:35 +02:00
John Snow
72cfb937b8 iotests: remove qemu_io_silent() and qemu_io_silent_check().
Like qemu-img, qemu-io returning 0 should be the norm and not the
exception. Remove all calls to qemu_io_silent that just assert the
return code is zero (That's every last call, as it turns out), and
replace them with a normal qemu_io() call.

qemu_io_silent_check() appeared to have been unused already.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-12-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:34 +02:00
John Snow
23d44dcb7c iotests: remove qemu_io_pipe_and_status()
I know we just added it, sorry. This is done in favor of qemu_io() which
*also* returns the console output and status, but with more robust error
handling on failure.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-11-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:32 +02:00
John Snow
db1646a639 iotests/image-fleecing: switch to qemu_io()
This test expects failure ... but only sometimes. When? Why?

It's for reads of a region not defined by a bitmap. Adjust the test to
be more explicit about what it expects to fail and why.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-10-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:31 +02:00