Loongson processor prefers 16KB page size in system emulator, so let's
define mc->minimum_page_bits to 14.
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <1586337380-25217-2-git-send-email-chenhc@lemote.com>
Currently, KVM/MIPS only deliver I/O interrupt via IP2, this patch add
IP3 delivery as well, because Loongson-3 based machine use both IRQ2
(CPU's IP2) and IRQ3 (CPU's IP3).
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <1588501221-1205-4-git-send-email-chenhc@lemote.com>
hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.
When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200526094052.1723-3-f4bug@amsat.org>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
All calls to m5206_mbar_read/m5206_mbar_write are used with
'offset = hwaddr & 0x3ff', so we are sure the offset fits
in 16-bit.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200526094052.1723-2-f4bug@amsat.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
AmigaOS tends to do a lot of small blits (even 1 pixel). Avoid malloc
overhead by keeping around a buffer for this and only alloc when
blitting larger areas.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 7946852258d528497e85f465327fc90b5c3b59fb.1590089984.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Besides being faster this should also prevent malicious guests to
abuse 2D engine to overwrite data or cause a crash.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 58666389b6cae256e4e972a32c05cf8aa51bffc0.1590089984.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Make variables local to the block they are used in to make it clearer
which operation they are needed for.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: ae59f8138afe7f6a5a4a82539d0f61496a906b06.1590089984.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Some places already use qemu_log_mask() to log unimplemented features
or errors but some others have printf() then abort(). Convert these to
qemu_log_mask() and avoid aborting to prevent guests to easily cause
denial of service.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 305af87f59d81e92f2aaff09eb8a3603b8baa322.1590089984.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace printf() calls by qemu_log_mask(UNIMP), which is
disabled by default. This avoid flooding the terminal when
fuzzing the device.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-15-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace fprintf() call by qemu_log_mask(LOG_UNIMP), which is
disabled by default. This avoid flooding the terminal when
fuzzing the device.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-14-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
To avoid the orphan I/O memory region being added in the /unattached
QOM container, register the PCI device as its owner.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200526062252.19852-12-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Avoid flooding stdio by converting printf() calls to
qemu_log_mask(GUEST_ERROR), which are disabled by default.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-11-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
DPRINTF() calls are disabled by default, so when unexpected
data is used, the whole process abort without information.
Display a bit of information with error_report() before crashing.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-10-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The memory region size is 512K.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-8-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Convert the final bit of DEBUG_BITBLT to a tracepoint.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-7-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace some debug printf() calls by qemu_log_mask(LOG_UNIMP),
and add a new one in cirrus_linear_bitblt_read().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-5-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Here's the next pull request for qemu-5.1. It includes:
* Support for the scv and rfscv POWER9 instructions in TCG
* Support for the new SPAPR_LMB_FLAGS_HOTREMOVABLE flag, which
provides a way for guests to know memory which should be removable
(so the guest can avoid putting immovable allocations there).
* Some fixes for the recently added partition scope radix translation
in softmmu
* Assorted minor fixes and cleanups
It includes one patch to avoid a clash with SELinux when using NVLink
VFIO devices. That's not technically within the files under my
maintainership, but it is in a section of the VFIO quirks code that's
specific to the POWER-only NVLink devices, and has an ack from Alex
Williamson.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200527' into staging
ppc patch queue 2020-05-27
Here's the next pull request for qemu-5.1. It includes:
* Support for the scv and rfscv POWER9 instructions in TCG
* Support for the new SPAPR_LMB_FLAGS_HOTREMOVABLE flag, which
provides a way for guests to know memory which should be removable
(so the guest can avoid putting immovable allocations there).
* Some fixes for the recently added partition scope radix translation
in softmmu
* Assorted minor fixes and cleanups
It includes one patch to avoid a clash with SELinux when using NVLink
VFIO devices. That's not technically within the files under my
maintainership, but it is in a section of the VFIO quirks code that's
specific to the POWER-only NVLink devices, and has an ack from Alex
Williamson.
# gpg: Signature made Wed 27 May 2020 06:36:59 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-5.1-20200527:
vfio/nvlink: Remove exec permission to avoid SELinux AVCs
target/ppc: Fix argument to ppc_radix64_partition_scoped_xlate() again
hw/nvram/mac_nvram: Convert debug printf()s to trace events
hw/pci-bridge/dec: Remove dead debug code
target/ppc: Don't update radix PTE R/C bits with gdbstub
target/ppc: Fix arguments to ppc_radix64_partition_scoped_xlate()
target/ppc: Add missing braces in ppc_radix64_partition_scoped_xlate()
target/ppc: Don't initialize some local variables in ppc_radix64_xlate()
target/ppc: Pass const pointer to ppc_radix64_get_fully_qualified_addr()
target/ppc: Pass const pointer to ppc_radix64_get_prot_amr()
ppc/spapr: Add hotremovable flag on DIMM LMBs on drmem_v2
target/ppc: Add support for scv and rfscv instructions
target/ppc: Untabify excp_helper.c
ppc/spapr: add a POWER10 CPU model
ppc/pnv: Fix NMI system reset SRR1 value
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: df1d8a1f29
Cc: Paul Burton <pburton@wavecomp.com>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-9-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
boston_mach_init() is wrong that way. The last calls treats an error
as fatal. Do that for the prior ones, too.
Fixes: df1d8a1f29
Cc: Paul Burton <pburton@wavecomp.com>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-8-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
create_cps() is wrong that way. The last calls treats an error as
fatal. Do that for the prior ones, too.
Fixes: bff384a4fb
Cc: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Cc: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200505101908.6207-7-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Replace
error_report("...: %s", ..., error_get_pretty(err));
by
error_reportf_err(err, "...: ", ...);
One of the replaced messages lacked a colon. Add it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200505101908.6207-6-armbru@redhat.com>
usbback_portid_add() leaks the error when qdev_device_add() fails.
Fix that. While there, use the error to improve the error message.
The qemu_opts_from_qdict() similarly leaks on failure. But any
failure there is a programming error. Pass &error_abort.
Fixes: 816ac92ef7
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Paul Durrant <paul@xen.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: xen-devel@lists.xenproject.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-3-armbru@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
If SELinux is setup without 'execmem' permission for qemu, all mmap
with (PROT_WRITE | PROT_EXEC) will fail and print a warning in
SELinux log.
If "nvlink2-mr" memory allocation fails (fist diff), it will cause
guest NUMA nodes to not be correctly configured (V100 memory will
not be visible for guest, nor its NUMA nodes).
Not having 'execmem' permission is intesting for virtual machines to
avoid buffer-overflow based attacks, and it's adopted in distros
like RHEL.
So, removing the PROT_EXEC flag seems the right thing to do.
Browsing some other code that mmaps memory for usage with
memory_region_init_ram_device_ptr, I could notice it's usual to
not have PROT_EXEC (only PROT_READ | PROT_WRITE), so it should be
no problem around this.
Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Message-Id: <20200501055448.286518-1-leobras.c@gmail.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Convert NVR_DPRINTF() to trace events and remove ifdef'ry.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200524165126.13920-1-f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Remove debug code never used since added in commit e1c6bbabee.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200525033910.26166-1-f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
On reboot, all memory that was previously added using object_add and
device_add is placed in this DIMM area.
The new SPAPR_LMB_FLAGS_HOTREMOVABLE flag helps Linux to put this memory in
the correct memory zone, so no unmovable allocations are made there,
allowing the object to be easily hot-removed by device_del and
object_del.
This new flag was accepted in Power Architecture documentation.
Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Reviewed-by: Bharata B Rao <bharata@linux.ibm.com>
Message-Id: <20200511200201.58537-1-leobras.c@gmail.com>
[dwg: Fixed syntax error spotted by Cédric Le Goater]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Commit a77fed5bd926 ("ppc/pnv: Add support for NMI interface") got the
SRR1 setting wrong for sresets that hit outside of power-save states.
Fix this, better documenting the source for the bit definitions.
Fixes: 01b552b05b ("ppc/pnv: Add support for NMI interface")
Cc: Cédric Le Goater <clg@kaod.org>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200507114824.788942-1-npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[dwg: Fixed up some tab indentation]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
and update Aleksandar Rikalo's email address,
- Trivial improvements in the Bonito64 North Bridge and the
Fuloong 2e machine,
- MIPS Machines names unified without 'mips_' prefix.
CI: https://travis-ci.org/github/philmd/qemu/builds/691247975
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-hw-next-20200526' into staging
MIPS hardware updates
- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
and update Aleksandar Rikalo's email address,
- Trivial improvements in the Bonito64 North Bridge and the
Fuloong 2e machine,
- MIPS Machines names unified without 'mips_' prefix.
CI: https://travis-ci.org/github/philmd/qemu/builds/691247975
# gpg: Signature made Tue 26 May 2020 14:32:08 BST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* remotes/philmd-gitlab/tags/mips-hw-next-20200526:
MAINTAINERS: Change Aleksandar Rikalo's email address
hw/mips/mips_int: De-duplicate KVM interrupt delivery
hw/mips/malta: Add some logging for bad register offset cases
hw/mips: Rename malta/mipssim/r4k/jazz files
hw/mips/fuloong2e: Fix typo in Fuloong machine name
hw/mips/fuloong2e: Move code and update a comment
hw/pci-host/bonito: Set the Config register reset value with FIELD_DP32
hw/pci-host/bonito: Better describe the I/O CS regions
hw/pci-host/bonito: Map the different PCI ranges more detailed
hw/pci-host/bonito: Map all the Bonito64 I/O range
hw/pci-host/bonito: Map peripheral using physical address
hw/pci-host/bonito: Fix DPRINTF() format strings
hw/pci-host: Use CONFIG_PCI_BONITO to select the Bonito North Bridge
MAINTAINERS: Add Huacai Chen as fuloong2e co-maintainer
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
client)
- revert 9pfs reply truncation (LP 1877688)
- xen backend waits for client to free space on the reply ring instead of
truncating or disconnecting
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Merge remote-tracking branch 'remotes/gkurz/tags/9p-next-2020-05-26' into staging
- fix build with musl libc
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
client)
- revert 9pfs reply truncation (LP 1877688)
- xen backend waits for client to free space on the reply ring instead of
truncating or disconnecting
# gpg: Signature made Tue 26 May 2020 10:36:23 BST
# gpg: using RSA key B4828BAF943140CEF2A3491071D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>" [full]
# gpg: aka "Gregory Kurz <gregory.kurz@free.fr>" [full]
# gpg: aka "[jpeg image of size 3330]" [full]
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3 4910 71D4 D5E5 822F 73D6
* remotes/gkurz/tags/9p-next-2020-05-26:
xen/9pfs: increase max ring order to 9
xen/9pfs: yield when there isn't enough room on the ring
Revert "9p: init_in_iov_from_pdu can truncate the size"
9p: Lock directory streams with a CoMutex
9pfs: include linux/limits.h for XATTR_SIZE_MAX
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Refactor duplicated code in a single place.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200429082916.10669-2-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Log the cases where a guest attempts read or write using bad
register offset.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-21-aleksandar.qemu.devel@gmail.com>
[PMD: Replaced TARGET_FMT_lx by HWADDR_PRIX]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Machine file names should not have prefix "mips_".
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-22-aleksandar.qemu.devel@gmail.com>
[PMD: Fixed Fuloong line conflict due to rebase]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
We always miswrote the Fuloong machine... Fix its name.
Add an machine alias to the previous name for backward
compatibility.
Suggested-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Move the RAM-related call closer to the RAM creation block,
rename the ROM comment.
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-id: <20200510210128.18343-4-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Describe some bits of the Config registers fields with the
registerfields API. Use the FIELD_DP32() macro to set the
BONGENCFG register bits at reset.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-12-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Better describe the I/O CS regions, add the ROMCS region.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Better describe the Bonito64 MEM HI/LO and I/O PCI ranges,
add more PCI regions as unimplemented.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-7-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
