Commit Graph

94169 Commits

Author SHA1 Message Date
Gerd Hoffmann f682abc83b update seabios submodule to 1.16.0
git shortlog 6a62e0cb0dfe..rel-1.16.0
-------------------------------------

Florian Larysch (1):
      nvme: fix LBA format data structure

Jan Beulich via SeaBIOS (1):
      nvme: avoid use-after-free in nvme_controller_enable()

Kevin O'Connor (9):
      smm: Suppress gcc array-bounds warnings
      nvme: Rework nvme_io_readwrite() to return -1 on error
      nvme: Add nvme_bounce_xfer() helper function
      nvme: Convert nvme_build_prpl() to nvme_prpl_xfer()
      nvme: Pass prp1 and prp2 directly to nvme_io_xfer()
      nvme: Build the page list in the existing dma buffer
      nvme: Only allocate one dma bounce buffer for all nvme drives
      sercon: Fix missing GET_LOW() to access rx_bytes
      docs: Note v1.16.0 release

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-03-07 11:20:21 +01:00
Peter Maydell 9d662a6b22 ppc-7.0 queue :
* Clang fixes
 * Vector/VSX instruction batch fixes
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Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220305' into staging

ppc-7.0 queue :

* Clang fixes
* Vector/VSX instruction batch fixes

# gpg: Signature made Sat 05 Mar 2022 08:18:06 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# 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

* remotes/legoater/tags/pull-ppc-20220305:
  target/ppc: Add missing helper_reset_fpstatus to helper_XVCVSPBF16
  target/ppc: Add missing helper_reset_fpstatus to VSX_MAX_MINC
  target/ppc: split XXGENPCV macros for readability
  target/ppc: use andc in vrlqmi
  target/ppc: use extract/extract2 to create vrlqnm mask
  target/ppc: use ext32u and deposit in do_vx_vmulhw_i64
  target/ppc: Fix vmul[eo]* instructions marked 2.07
  tests/tcg/ppc64le: Use Altivec register names in clobber list
  tests/tcg/ppc64le: emit bcdsub with .long when needed
  tests/tcg/ppc64le: drop __int128 usage in bcdsub
  target/ppc: change xs[n]madd[am]sp to use float64r32_muladd
  tests/tcg/ppc64le: use inline asm instead of __builtin_mtfsf
  Use long endian options for ppc64

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-05 18:03:15 +00:00
Peter Maydell 2acf5e1d0e Reorder do_constant_folding_cond test to satisfy valgrind.
Fix value of MAX_OPC_PARAM_IARGS.
 Add opcodes for vector nand, nor, eqv.
 Support vector nand, nor, eqv on PPC and S390X hosts.
 Support AVX512VL, AVX512BW, AVX512DQ, and AVX512VBMI2.
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20220304' into staging

Reorder do_constant_folding_cond test to satisfy valgrind.
Fix value of MAX_OPC_PARAM_IARGS.
Add opcodes for vector nand, nor, eqv.
Support vector nand, nor, eqv on PPC and S390X hosts.
Support AVX512VL, AVX512BW, AVX512DQ, and AVX512VBMI2.

# gpg: Signature made Fri 04 Mar 2022 18:59:08 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20220304: (21 commits)
  tcg/i386: Implement bitsel for avx512
  tcg/i386: Implement more logical operations for avx512
  tcg/i386: Implement avx512 multiply
  tcg/i386: Implement avx512 min/max/abs
  tcg/i386: Expand scalar rotate with avx512 insns
  tcg/i386: Remove rotls_vec from tcg_target_op_def
  tcg/i386: Expand vector word rotate as avx512vbmi2 shift-double
  tcg/i386: Support avx512vbmi2 vector shift-double instructions
  tcg/i386: Implement avx512 variable rotate
  tcg/i386: Implement avx512 immediate rotate
  tcg/i386: Implement avx512 immediate sari shift
  tcg/i386: Implement avx512 scalar shift
  tcg/i386: Implement avx512 variable shifts
  tcg/i386: Use tcg_can_emit_vec_op in expand_vec_cmp_noinv
  tcg/i386: Add tcg_out_evex_opc
  tcg/i386: Detect AVX512
  tcg/s390x: Implement vector NAND, NOR, EQV
  tcg/ppc: Implement vector NAND, NOR, EQV
  tcg: Add opcodes for vector nand, nor, eqv
  tcg: Set MAX_OPC_PARAM_IARGS to 7
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-05 14:43:19 +00:00
Peter Maydell d7e2fe4aac Block layer patches
- qemu-storage-daemon: Add --daemonize
 - Fix x-blockdev-amend and block node activation code which incorrectly
   executed code in the iothread that must run in the main thread.
 - Add macros for coroutine-safe TLS variables (required for correctness
   with LTO)
 - Fix crashes with concurrent I/O and bdrv_refresh_limits()
 - Split block APIs in global state and I/O
 - iotests: Don't refuse to run at all without GNU sed, just skip tests
   that need it
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Merge remote-tracking branch 'remotes/kwolf-gitlab/tags/for-upstream' into staging

Block layer patches

- qemu-storage-daemon: Add --daemonize
- Fix x-blockdev-amend and block node activation code which incorrectly
  executed code in the iothread that must run in the main thread.
- Add macros for coroutine-safe TLS variables (required for correctness
  with LTO)
- Fix crashes with concurrent I/O and bdrv_refresh_limits()
- Split block APIs in global state and I/O
- iotests: Don't refuse to run at all without GNU sed, just skip tests
  that need it

# gpg: Signature made Fri 04 Mar 2022 17:18:31 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kwolf-gitlab/tags/for-upstream: (50 commits)
  block/amend: Keep strong reference to BDS
  block/amend: Always call .bdrv_amend_clean()
  tests/qemu-iotests: Rework the checks and spots using GNU sed
  iotests/graph-changes-while-io: New test
  iotests: Allow using QMP with the QSD
  block: Make bdrv_refresh_limits() non-recursive
  job.h: assertions in the callers of JobDriver function pointers
  job.h: split function pointers in JobDriver
  block-backend-common.h: split function pointers in BlockDevOps
  block_int-common.h: assertions in the callers of BdrvChildClass function pointers
  block_int-common.h: split function pointers in BdrvChildClass
  block_int-common.h: assertions in the callers of BlockDriver function pointers
  block_int-common.h: split function pointers in BlockDriver
  block/coroutines: I/O and "I/O or GS" API
  block/copy-before-write.h: global state API + assertions
  include/block/snapshot: global state API + assertions
  assertions for blockdev.h global state API
  include/sysemu/blockdev.h: global state API
  assertions for blockjob.h global state API
  include/block/blockjob.h: global state API
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-05 10:59:04 +00:00
Víctor Colombo a9eb50376f target/ppc: Add missing helper_reset_fpstatus to helper_XVCVSPBF16
Fixes: 3909ff1fac ("target/ppc: Implement xvcvbf16spn and xvcvspbf16 instructions")
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-8-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:48 +01:00
Víctor Colombo e1428e5b57 target/ppc: Add missing helper_reset_fpstatus to VSX_MAX_MINC
Fixes: da499405aa ("target/ppc: Refactor VSX_MAX_MINC helper")
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-7-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:48 +01:00
Matheus Ferst 618574ddf7 target/ppc: split XXGENPCV macros for readability
Fixes: b090f4f1e3 ("target/ppc: Implement xxgenpcv[bhwd]m instruction")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-6-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:47 +01:00
Matheus Ferst 4e4dd9e7ca target/ppc: use andc in vrlqmi
Fixes: 7e5947df6e ("target/ppc: implement vrlqmi")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-5-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:47 +01:00
Matheus Ferst 5460ca8490 target/ppc: use extract/extract2 to create vrlqnm mask
Fixes: 4e27266840 ("target/ppc: implement vrlqnm")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:47 +01:00
Matheus Ferst 9f264141ec target/ppc: use ext32u and deposit in do_vx_vmulhw_i64
Fixes: 29e9dfcf75 ("target/ppc: vmulh* instructions without helpers")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:47 +01:00
Lucas Mateus Castro (alqotel) 0241ccb163 target/ppc: Fix vmul[eo]* instructions marked 2.07
Some ISA v2.03 Vector Multiply instructions marked to be ISA v2.07 only.
This patch fixes it.

Fixes: 80eca687c8 ("target/ppc: moved vector even and odd multiplication to decodetree")
Reported-by: Howard Spoelstra <hsp.cat7@gmail.com>
Suggested-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:47 +01:00
Matheus Ferst 68455cf593 tests/tcg/ppc64le: Use Altivec register names in clobber list
LLVM/Clang doesn't know the VSX registers when compiling with
-mabi=elfv1. Use only registers >= 32 and list them with their Altivec
name.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220304165417.1981159-6-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Matheus Ferst 63c2b746be tests/tcg/ppc64le: emit bcdsub with .long when needed
Based on GCC docs[1], we use the '-mpower8-vector' flag at config-time
to detect the toolchain support to the bcdsub instruction. LLVM/Clang
supports this flag since version 3.6[2], but the instruction and related
builtins were only added in LLVM 14[3]. In the absence of other means to
detect this support at config-time, we resort to __has_builtin to
identify the presence of __builtin_bcdsub at compile-time. If the
builtin is not available, the instruction is emitted with a ".long".

[1] https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/PowerPC-AltiVec_002fVSX-Built-in-Functions.html
[2] 59eb767e11
[3] c933c2eb33

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220304165417.1981159-5-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Matheus Ferst 8189cb8507 tests/tcg/ppc64le: drop __int128 usage in bcdsub
Using __int128 with inline asm constraints like "v" generates incorrect
code when compiling with LLVM/Clang (e.g., only one doubleword of the
VSR is loaded). Instead, use a GPR pair to pass the 128-bits value and
load the VSR with mtvsrd/xxmrghd.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220304165417.1981159-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Matheus Ferst 4e4b5a3eac target/ppc: change xs[n]madd[am]sp to use float64r32_muladd
Change VSX Scalar Multiply-Add/Subtract Type-A/M Single Precision
helpers to use float64r32_muladd. This method should correctly handle
all rounding modes, so the workaround for float_round_nearest_even can
be dropped.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220304165417.1981159-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Matheus Ferst d21939ca8b tests/tcg/ppc64le: use inline asm instead of __builtin_mtfsf
LLVM/Clang does not support __builtin_mtfsf.

Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220304165417.1981159-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Miroslav Rezanina ced5cfffee Use long endian options for ppc64
GCC options pairs -mlittle/-mlittle-endian and -mbig/-mbig-endian are
equivalent on ppc64 architecture. However, Clang supports only long
version of the options.

Use longer form in configure to properly support both GCC and Clang
compiler. In addition, fix this issue in tcg test configure.

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20220131091714.4825-1-mrezanin@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05 07:16:46 +01:00
Peter Maydell 5c8463886d usb: fixes for ohci, xhci, mtp and redirect
audio: latency fixes
 ui: opengl and cocoa fixes
 firmware: ovmf tabel aprser fixes
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Merge remote-tracking branch 'remotes/kraxel/tags/kraxel-20220304-pull-request' into staging

usb: fixes for ohci, xhci, mtp and redirect
audio: latency fixes
ui: opengl and cocoa fixes
firmware: ovmf tabel aprser fixes

# gpg: Signature made Fri 04 Mar 2022 14:18:47 GMT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/kraxel-20220304-pull-request: (35 commits)
  hw/display/vmware_vga: replace fprintf calls with trace events
  edid: Fix clock of Detailed Timing Descriptor
  softmmu/qdev-monitor: Add virtio-gpu-gl aliases
  ui/cocoa: Add Services menu
  ui/clipboard: fix use-after-free regression
  ui: do not create a surface when resizing a GL scanout
  ui/console: fix texture leak when calling surface_gl_create_texture()
  ui/console: fix crash when using gl context with non-gl listeners
  docs: Add spec of OVMF GUIDed table for SEV guests
  hw/i386: Replace magic number with field length calculation
  hw/i386: Improve bounds checking in OVMF table parsing
  coreaudio: Notify error in coreaudio_init_out
  hw/usb/redirect.c: Stop using qemu_oom_check()
  sdlaudio: fix samples vs. frames mix-up
  paaudio: fix samples vs. frames mix-up
  ossaudio: reduce effective playback buffer size
  dsoundaudio: reduce effective playback buffer size
  paaudio: reduce effective playback buffer size
  audio: restore mixing-engine playback buffer size
  Revert "audio: fix wavcapture segfault"
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-04 22:13:35 +00:00
Richard Henderson cf32076947 tcg/i386: Implement bitsel for avx512
The general ternary logic operation can implement BITSEL.
Funnel the 4-operand operation into three variants of the
3-operand instruction, depending on input operand overlap.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 3143767b74 tcg/i386: Implement more logical operations for avx512
AVX512VL has a general ternary logic operation, VPTERNLOGQ,
which can implement NOT, ORC, NAND, NOR, EQV.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 4c8b968683 tcg/i386: Implement avx512 multiply
AVX512DQ has VPMULLQ.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson dac1648fd8 tcg/i386: Implement avx512 min/max/abs
AVX512VL has VPABSQ, VPMAXSQ, VPMAXUQ, VPMINSQ, VPMINUQ.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 1d442e427a tcg/i386: Expand scalar rotate with avx512 insns
Expand 32-bit and 64-bit scalar rotate with VPRO[LR]V;
expand 16-bit scalar rotate with VPSHLDV.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson a2a19b429b tcg/i386: Remove rotls_vec from tcg_target_op_def
There is no such instruction on x86, so we should
not be pretending it has arguments.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 786c7ef3b7 tcg/i386: Expand vector word rotate as avx512vbmi2 shift-double
While there are no specific 16-bit rotate instructions, there
are double-word shifts, which can perform the same operation.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 965d5d0681 tcg/i386: Support avx512vbmi2 vector shift-double instructions
We will use VPSHLD, VPSHLDV and VPSHRDV for 16-bit rotates.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 102cd35c01 tcg/i386: Implement avx512 variable rotate
AVX512VL has VPROLVD and VPRORVQ.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 4e73f842e8 tcg/i386: Implement avx512 immediate rotate
AVX512VL has VPROLD and VPROLQ, layered onto the same
opcode as PSHIFTD, but requires EVEX encoding and W1.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 264e418230 tcg/i386: Implement avx512 immediate sari shift
AVX512 has VPSRAQ with immediate operand, in the same form as
with AVX, but requires EVEX encoding and W1.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 47b331b2a8 tcg/i386: Implement avx512 scalar shift
AVX512VL has VPSRAQ.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson ef77ce0d5c tcg/i386: Implement avx512 variable shifts
AVX512VL has VPSRAVQ, and
AVX512BW has VPSLLVW, VPSRAVW, VPSRLVW.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 54e2d650dd tcg/i386: Use tcg_can_emit_vec_op in expand_vec_cmp_noinv
The condition for UMIN/UMAX availability is about to change;
use the canonical version.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 08b032f791 tcg/i386: Add tcg_out_evex_opc
The evex encoding is added here, for use in a subsequent patch.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson ba597b66d9 tcg/i386: Detect AVX512
There are some operation sizes in some subsets of AVX512 that
are missing from previous iterations of AVX.  Detect them.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson 21eab5bfae tcg/s390x: Implement vector NAND, NOR, EQV
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson fa8e90d69f tcg/ppc: Implement vector NAND, NOR, EQV
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Richard Henderson ed5234735a tcg: Add opcodes for vector nand, nor, eqv
We've had placeholders for these opcodes for a while,
and should have support on ppc, s390x and avx512 hosts.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Ziqiao Kong 0166feda32 tcg: Set MAX_OPC_PARAM_IARGS to 7
The last entry of DEF_HELPERS_FLAGS_n is DEF_HELPER_FLAGS_7 and
thus the MAX_OPC_PARAM_IARGS should be 7.

Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Ziqiao Kong <ziqiaokong@gmail.com>
Message-Id: <20220227113127.414533-2-ziqiaokong@gmail.com>
Fixes: e6cadf49c3 ("tcg: Add support for a helper with 7 arguments")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Alex Bennée 9becc36f02 tcg/optimize: only read val after const check
valgrind pointed out that arg_info()->val can be undefined which will
be the case if the arguments are not constant. The ordering of the
checks will have ensured we never relied on an undefined value but for
the sake of completeness re-order the code to be clear.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220209112142.3367525-1-alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-04 08:50:41 -10:00
Hanna Reitz 78fa41fc67 block/amend: Keep strong reference to BDS
Otherwise, the BDS might be freed while the job is running, which would
cause a use-after-free.

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220304153729.711387-5-hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Hanna Reitz b8ba60067b block/amend: Always call .bdrv_amend_clean()
.bdrv_amend_clean() says block drivers can use it to clean up what was
done in .bdrv_amend_pre_run().  Therefore, it should always be called
after .bdrv_amend_pre_run(), which means we need it to call it in the
JobDriver.free() callback, not in JobDriver.clean().

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220304153729.711387-3-hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Thomas Huth 9086c76398 tests/qemu-iotests: Rework the checks and spots using GNU sed
Instead of failing the iotests if GNU sed is not available (or skipping
them completely in the check-block.sh script), it would be better to
simply skip the bash-based tests that rely on GNU sed, so that the other
tests could still be run. Thus we now explicitely use "gsed" (either as
direct program or as a wrapper around "sed" if it's the GNU version)
in the spots that rely on the GNU sed behavior. Statements that use the
"-r" parameter of sed have been switched to use "-E" instead, since this
switch is supported by all sed versions on our supported build hosts
(most also support "-r", but macOS' sed only supports "-E"). With all
these changes in place, we then can also remove the sed checks from the
check-block.sh script, so that "make check-block" can now be run on
systems without GNU sed, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220216125454.465041-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Hanna Reitz 971bea8089 iotests/graph-changes-while-io: New test
Test the following scenario:
1. Some block node (null-co) attached to a user (here: NBD server) that
   performs I/O and keeps the node in an I/O thread
2. Repeatedly run blockdev-add/blockdev-del to add/remove an overlay
   to/from that node

Each blockdev-add triggers bdrv_refresh_limits(), and because
blockdev-add runs in the main thread, it does not stop the I/O requests.
I/O can thus happen while the limits are refreshed, and when such a
request sees a temporarily invalid block limit (e.g. alignment is 0),
this may easily crash qemu (or the storage daemon in this case).

The block layer needs to ensure that I/O requests to a node are paused
while that node's BlockLimits are refreshed.

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20220216105355.30729-4-hreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Hanna Reitz ec88eed8d1 iotests: Allow using QMP with the QSD
Add a parameter to optionally open a QMP connection when creating a
QemuStorageDaemon instance.

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220216105355.30729-3-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Hanna Reitz 4d378bbd83 block: Make bdrv_refresh_limits() non-recursive
bdrv_refresh_limits() recurses down to the node's children.  That does
not seem necessary: When we refresh limits on some node, and then
recurse down and were to change one of its children's BlockLimits, then
that would mean we noticed the changed limits by pure chance.  The fact
that we refresh the parent's limits has nothing to do with it, so the
reason for the change probably happened before this point in time, and
we should have refreshed the limits then.

Consequently, we should actually propagate block limits changes upwards,
not downwards.  That is a separate and pre-existing issue, though, and
so will not be addressed in this patch.

The problem with recursing is that bdrv_refresh_limits() is not atomic.
It begins with zeroing BDS.bl, and only then sets proper, valid limits.
If we do not drain all nodes whose limits are refreshed, then concurrent
I/O requests can encounter invalid request_alignment values and crash
qemu.  Therefore, a recursing bdrv_refresh_limits() requires the whole
subtree to be drained, which is currently not ensured by most callers.

A non-recursive bdrv_refresh_limits() only requires the node in question
to not receive I/O requests, and this is done by most callers in some
way or another:
- bdrv_open_driver() deals with a new node with no parents yet
- bdrv_set_file_or_backing_noperm() acts on a drained node
- bdrv_reopen_commit() acts only on drained nodes
- bdrv_append() should in theory require the node to be drained; in
  practice most callers just lock the AioContext, which should at least
  be enough to prevent concurrent I/O requests from accessing invalid
  limits

So we can resolve the bug by making bdrv_refresh_limits() non-recursive.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1879437
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20220216105355.30729-2-hreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Emanuele Giuseppe Esposito c70b8031c6 job.h: assertions in the callers of JobDriver function pointers
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-32-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Emanuele Giuseppe Esposito 32498092c4 job.h: split function pointers in JobDriver
The job API will be handled separately in another serie.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-31-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Emanuele Giuseppe Esposito dc2b15ba08 block-backend-common.h: split function pointers in BlockDevOps
Assertions in the callers of the function pointrs are already
added by previous patches.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20220303151616.325444-30-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:26 +01:00
Emanuele Giuseppe Esposito f0c2832703 block_int-common.h: assertions in the callers of BdrvChildClass function pointers
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-29-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:25 +01:00
Emanuele Giuseppe Esposito abc5a79c64 block_int-common.h: split function pointers in BdrvChildClass
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-28-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-04 18:18:25 +01:00