There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.
Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201016145346.27167-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.
Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201016144243.26817-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If an interrupt occurs between when we claim and complete an interrupt
we currently drop the interrupt in ibex_plic_irqs_set_pending(). This
somewhat matches hardware that also ignore the interrupt between the
claim and complete process.
In the case of hardware though the physical interrupt line will still
be asserted after we have completed the interrupt. This means we will
still act on the interrupt after the complete process. In QEMU we don't
and instead we drop the interrupt as it is never recorded.
This patch changed the behaviour of the Ibex PLIC so that we save all
interrupts that occur while we are between claiming and completing an
interrupt so that we can act on them after the completition process.
This fixes interrupts being dropped when running Tock on OpenTitain in
QEMU.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: e7bcf98c6925b1e6e7828e7c3f85293a09a65b12.1605136387.git.alistair.francis@wdc.com
mon_get_cpu_env() is indirectly called monitor_parse_arguments() where
the current monitor isn't set yet. Instead of using monitor_cur_env(),
explicitly pass the Monitor pointer to the function.
Without this fix, an HMP command like "x $pc" crashes like this:
#0 0x0000555555caa01f in mon_get_cpu_sync (mon=0x0, synchronize=true) at ../monitor/misc.c:270
#1 0x0000555555caa141 in mon_get_cpu (mon=0x0) at ../monitor/misc.c:294
#2 0x0000555555caa158 in mon_get_cpu_env () at ../monitor/misc.c:299
#3 0x0000555555b19739 in monitor_get_pc (mon=0x555556ad2de0, md=0x5555565d2d40 <monitor_defs+1152>, val=0) at ../target/i386/monitor.c:607
#4 0x0000555555cadbec in get_monitor_def (mon=0x555556ad2de0, pval=0x7fffffffc208, name=0x7fffffffc220 "pc") at ../monitor/misc.c:1681
#5 0x000055555582ec4f in expr_unary (mon=0x555556ad2de0) at ../monitor/hmp.c:387
#6 0x000055555582edbb in expr_prod (mon=0x555556ad2de0) at ../monitor/hmp.c:421
#7 0x000055555582ee79 in expr_logic (mon=0x555556ad2de0) at ../monitor/hmp.c:455
#8 0x000055555582eefe in expr_sum (mon=0x555556ad2de0) at ../monitor/hmp.c:484
#9 0x000055555582efe8 in get_expr (mon=0x555556ad2de0, pval=0x7fffffffc418, pp=0x7fffffffc408) at ../monitor/hmp.c:511
#10 0x000055555582fcd4 in monitor_parse_arguments (mon=0x555556ad2de0, endp=0x7fffffffc890, cmd=0x555556675b50 <hmp_cmds+7920>) at ../monitor/hmp.c:876
#11 0x00005555558306a8 in handle_hmp_command (mon=0x555556ad2de0, cmdline=0x555556ada452 "$pc") at ../monitor/hmp.c:1087
#12 0x000055555582df14 in monitor_command_cb (opaque=0x555556ad2de0, cmdline=0x555556ada450 "x $pc", readline_opaque=0x0) at ../monitor/hmp.c:47
After this fix, nothing is left in monitor_parse_arguments() that can
indirectly call monitor_cur(), so the fix is complete.
Fixes: ff04108a0e
Reported-by: lichun <lichun@ruijie.com.cn>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-4-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
All of these callbacks use mon_get_cpu_env(). Pass the Monitor
pointer to them it in preparation for adding a monitor argument to
mon_get_cpu_env().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-3-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
mon_get_cpu() is indirectly called monitor_parse_arguments() where
the current monitor isn't set yet. Instead of using monitor_cur(),
explicitly pass the Monitor pointer to the function.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-2-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
The system configuration controller (SYSCFG) doesn't have
any output IRQ (and the INTC input #71 belongs to the UART6).
Remove the invalid code.
Fixes: db635521a0 ("stm32f205: Add the stm32f205 SoC")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201107193403.436146-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This function is really an internal helper for bdrv_close(). Update its
doc comment to make this clear and make the function private.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <160387245480.131299.13430357162209598411.stgit@bahia>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Lots of fixes all over the place.
virtio-mem and virtio-iommu patches are kind of fixes but
it seems better to just make them behave sanely than
try to educate users about the limitations ...
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,vhost,virtio: fixes
Lots of fixes all over the place.
virtio-mem and virtio-iommu patches are kind of fixes but
it seems better to just make them behave sanely than
try to educate users about the limitations ...
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 04 Nov 2020 18:40:03 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (31 commits)
contrib/vhost-user-blk: fix get_config() information leak
block/export: fix vhost-user-blk get_config() information leak
block/export: make vhost-user-blk config space little-endian
configure: introduce --enable-vhost-user-blk-server
libvhost-user: follow QEMU comment style
vhost-blk: set features before setting inflight feature
Revert "vhost-blk: set features before setting inflight feature"
net: Add vhost-vdpa in show_netdevs()
vhost-vdpa: Add qemu_close in vhost_vdpa_cleanup
vfio: Don't issue full 2^64 unmap
virtio-iommu: Set supported page size mask
vfio: Set IOMMU page size as per host supported page size
memory: Add interface to set iommu page size mask
virtio-iommu: Add notify_flag_changed() memory region callback
virtio-iommu: Add replay() memory region callback
virtio-iommu: Call memory notifiers in attach/detach
virtio-iommu: Add memory notifiers for map/unmap
virtio-iommu: Store memory region in endpoint struct
virtio-iommu: Fix virtio_iommu_mr()
hw/smbios: Fix leaked fd in save_opt_one() error path
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
s390-pci-vfio.c calls into the vfio code, so we need it to be
built conditionally on vfio (which implies CONFIG_LINUX).
Fixes: cd7498d07f ("s390x/pci: Add routine to get the vfio dma available count")
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <20201103123237.718242-1-cohuck@redhat.com>
Acked-by: Greg Kurz <groug@kaod.org>
Tested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
OptsVisitor, StringInputVisitor and the keyval visitor have
three different ideas of how a human could write the value of
a boolean option. Pay homage to the backwards-compatibility
gods and make the new common helper accept all four sets (on/off,
true/false, y/n and yes/no), but remove case-insensitivity.
Since OptsVisitor is supposed to match qemu-options, adjust
it as well.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201103161339.447118-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Virtqueue has split and packed, so before setting inflight,
you need to inform the back-end virtqueue format.
Signed-off-by: Jin Yu <jin.yu@intel.com>
Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20201103123617.28256-1-jin.yu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit adb29c0273.
The commit broke -device vhost-user-blk-pci because the
vhost_dev_prepare_inflight() function it introduced segfaults in
vhost_dev_set_features() when attempting to access struct vhost_dev's
vdev pointer before it has been assigned.
To reproduce the segfault simply launch a vhost-user-blk device with the
contrib vhost-user-blk device backend:
$ build/contrib/vhost-user-blk/vhost-user-blk -s /tmp/vhost-user-blk.sock -r -b /var/tmp/foo.img
$ build/qemu-system-x86_64 \
-device vhost-user-blk-pci,id=drv0,chardev=char1,addr=4.0 \
-object memory-backend-memfd,id=mem,size=1G,share=on \
-M memory-backend=mem,accel=kvm \
-chardev socket,id=char1,path=/tmp/vhost-user-blk.sock
Segmentation fault (core dumped)
Cc: Jin Yu <jin.yu@intel.com>
Cc: Raphael Norwitz <raphael.norwitz@nutanix.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201102165709.232180-1-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.
Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201023122633.19466-1-chetan4windows@gmail.com>
[PMD: Added hw/mips/ prefix in subject]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.
Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201016143509.26692-1-chetan4windows@gmail.com>
[PMD: Split hw/ vs target/]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The latest SD card image [1] released by Microchip ships a Linux
kernel with built-in PolarFire SoC I2C driver support. The device
tree file includes the description for the I2C1 node hence kernel
tries to probe the I2C1 device during boot.
It is enough to create an unimplemented device for I2C1 to allow
the kernel to continue booting to the shell.
[1] ftp://ftpsoc.microsemi.com/outgoing/core-image-minimal-dev-icicle-kit-es-sd-20201009141623.rootfs.wic.gz
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-11-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
When system memory is larger than 1 GiB (high memory), PolarFire SoC
maps it at address 0x10_0000_0000. Address 0xC000_0000 and above is
aliased to the same 1 GiB low memory with different cache attributes.
At present QEMU maps the system memory contiguously from 0x8000_0000.
This corrects the wrong QEMU logic. Note address 0x14_0000_0000 is
the alias to the high memory, and even physical memory is only 1 GiB,
the HSS codes still tries to probe the high memory alias address.
It seems there is no issue on the real hardware, so we will have to
take that into the consideration in our emulation. Due to this, we
we increase the default system memory size to 1537 MiB (the minimum
required high memory size by HSS) so that user gets notified an error
when less than 1537 MiB is specified.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201101170538.3732-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Somehow HSS needs to access address 0 [1] for the DDR calibration data
which is in the chipset's reserved memory. Let's map it.
[1] See the config_copy() calls in various places in ddr_setup() in
the HSS source codes.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-9-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Previously SYSREG was created as an unimplemented device. Now that
we have a simple SYSREG module, connect it.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-8-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This creates a minimum model for Microchip PolarFire SoC SYSREG
module. It only implements the ENVM_CR register to tell guest
software that eNVM is running at the configured divider rate.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-7-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Previously IOSCB_CFG was created as an unimplemented device. With
the new IOSCB model, its memory range is already covered by the
IOSCB hence remove the previous unimplemented device creation in
the SoC codes.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-6-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This creates a model for PolarFire SoC IOSCB [1] module. It actually
contains lots of sub-modules like various PLLs to control different
peripherals. Only the mininum capabilities are emulated to make the
HSS DDR memory initialization codes happy. Lots of sub-modules are
created as an unimplemented devices.
[1] PF_SoC_RegMap_V1_1/MPFS250T/mpfs250t_ioscb_memmap_dri.htm in
https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-5-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Connect DDR SGMII PHY module and CFG module to the PolarFire SoC.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-4-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The PolarFire SoC DDR Memory Controller mainly includes 2 modules,
called SGMII PHY module and the CFG module, as documented in the
chipset datasheet.
This creates a single file that groups these 2 modules, providing
the minimum functionalities that make the HSS DDR initialization
codes happy.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1603863010-15807-3-git-send-email-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Add sifive_plic vmstate for supporting sifive_plic migration.
Current vmstate framework only supports one structure parameter
as num field to describe variable length arrays, so introduce
num_enables.
Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-7-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
libFuzzer triggered the following assertion:
cat << EOF | qemu-system-i386 -M pc-q35-5.0 \
-nographic -monitor none -serial none \
-qtest stdio -d guest_errors -trace pci\*
outl 0xcf8 0x8400f841
outl 0xcfc 0xebed205d
outl 0x5d02 0xedf82049
EOF
pci_cfg_write ICH9-LPC 31:0 @0x41 <- 0xebed205d
hw/pci/pci.c:268: int pci_bus_get_irq_level(PCIBus *, int): Assertion `irq_num < bus->nirq' failed.
This is because ich9_lpc_sci_irq() returns -1 for reserved
(illegal) values, but ich9_lpc_pmbase_sci_update() considers
it valid and store it in a 8-bit unsigned type. Then the 255
value is used as GSI IRQ, resulting in a PIRQ value of 247,
more than ICH9_LPC_NB_PIRQS (8).
Fix by simply ignoring the invalid access (and reporting it):
pci_cfg_write ICH9-LPC 31:0 @0x41 <- 0xebed205d
ICH9 LPC: SCI IRQ SEL #3 is reserved
pci_cfg_read mch 00:0 @0x0 -> 0x8086
pci_cfg_read mch 00:0 @0x0 -> 0x29c08086
...
Cc: qemu-stable@nongnu.org
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Fixes: 8f242cb724 ("ich9: implement SCI_IRQ_SEL register")
BugLink: https://bugs.launchpad.net/qemu/+bug/1878642
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200717151705.18611-1-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Memory returned by get_relocated_path must be freed with
free or g_free depending on the path that the function
took; Coverity takes exception to this practice. The
fix lets caller use g_free as is standard in QEMU.
While at it, mention the requirements on the caller in
the doc comment.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* add guest-get-disks for w32/linux
* add guest-{add,remove,get}-authorized-keys
* fix API violations and schema documentation inconsistencies with
recently-added guest-get-devices
v3:
- fix checkpatch errors regarding disallowed usages of g_assert*
macros and other warnings
v2:
- fix BSD build error due to missing stub for guest_get_disks
- fix clang build error on linux due to unused variable
- disable qga-ssh-test for now due to a memory leak within GLib when
G_TEST_OPTION_ISOLATE_DIRS is passed to g_test_init() since it
break Gitlab CI build-oss-fuzz test
- rebased and re-tested on master
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-----END PGP SIGNATURE-----
Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2020-10-27-v3-tag' into staging
qemu-ga patch queue for soft-freeze
* add guest-get-disks for w32/linux
* add guest-{add,remove,get}-authorized-keys
* fix API violations and schema documentation inconsistencies with
recently-added guest-get-devices
v3:
- fix checkpatch errors regarding disallowed usages of g_assert*
macros and other warnings
v2:
- fix BSD build error due to missing stub for guest_get_disks
- fix clang build error on linux due to unused variable
- disable qga-ssh-test for now due to a memory leak within GLib when
G_TEST_OPTION_ISOLATE_DIRS is passed to g_test_init() since it
break Gitlab CI build-oss-fuzz test
- rebased and re-tested on master
# gpg: Signature made Tue 03 Nov 2020 02:30:50 GMT
# gpg: using RSA key CEACC9E15534EBABB82D3FA03353C9CEF108B584
# gpg: issuer "michael.roth@amd.com"
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>" [full]
# gpg: aka "Michael Roth <mdroth@utexas.edu>" [full]
# gpg: aka "Michael Roth <mdroth@linux.vnet.ibm.com>" [full]
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D 3FA0 3353 C9CE F108 B584
* remotes/mdroth/tags/qga-pull-2020-10-27-v3-tag:
qga: add ssh-get-authorized-keys
meson: minor simplification
qga: add *reset argument to ssh-add-authorized-keys
qga: add ssh-{add,remove}-authorized-keys
glib-compat: add g_unix_get_passwd_entry_qemu()
qga: add implementation of guest-get-disks for Windows
qga: add implementation of guest-get-disks for Linux
qga: add command guest-get-disks
qga: Flatten simple union GuestDeviceId
qga-win: Fix guest-get-devices error API violations
qga: Use common time encoding for guest-get-devices 'driver-date'
qga: Rename guest-get-devices return member 'address' to 'id'
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allow to set the page size mask supported by an iommu memory region.
This enables a vIOMMU to communicate the page size granule supported by
an assigned device, on hosts that use page sizes greater than 4kB.
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20201030180510.747225-8-jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a callback that can be used to express additional alignment
requirements (exceeding the ones from the memory region).
Will be used by virtio-mem to express special alignment requirements due
to manually configured, big block sizes (e.g., 1GB with an ordinary
memory-backend-ram). This avoids failing later when realizing, because
auto-detection wasn't able to assign a properly aligned address.
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Wei Yang <richardw.yang@linux.intel.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20201008083029.9504-6-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The glib function was introduced in 2.64. It's a safer version of
getpwnam, and also simpler to use than getpwnam_r.
Currently, it's only use by the next patch in qemu-ga, which doesn't
(well well...) need the thread safety guarantees. Since the fallback
version is still unsafe, I would rather keep the _qemu postfix, to make
sure it's not being misused by mistake. When/if necessary, we can
implement a safer fallback and drop the _qemu suffix.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
*fix checkpatch warnings about newlines before/after block comments
Signed-off-by: Michael Roth <michael.roth@amd.com>
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Merge remote-tracking branch 'remotes/nvme/tags/pull-nvme-20201102' into staging
nvme pull 2 Nov 2020
# gpg: Signature made Mon 02 Nov 2020 15:20:30 GMT
# gpg: using RSA key DBC11D2D373B4A3755F502EC625156610A4F6CC0
# gpg: Good signature from "Keith Busch <kbusch@kernel.org>" [unknown]
# gpg: aka "Keith Busch <keith.busch@gmail.com>" [unknown]
# gpg: aka "Keith Busch <keith.busch@intel.com>" [unknown]
# 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: DBC1 1D2D 373B 4A37 55F5 02EC 6251 5661 0A4F 6CC0
* remotes/nvme/tags/pull-nvme-20201102: (30 commits)
hw/block/nvme: fix queue identifer validation
hw/block/nvme: fix create IO SQ/CQ status codes
hw/block/nvme: fix prp mapping status codes
hw/block/nvme: report actual LBA data shift in LBAF
hw/block/nvme: add trace event for requests with non-zero status code
hw/block/nvme: add nsid to get/setfeat trace events
hw/block/nvme: reject io commands if only admin command set selected
hw/block/nvme: support for admin-only command set
hw/block/nvme: validate command set selected
hw/block/nvme: support per-namespace smart log
hw/block/nvme: fix log page offset check
hw/block/nvme: remove pointless rw indirection
hw/block/nvme: update nsid when registered
hw/block/nvme: change controller pci id
pci: allocate pci id for nvme
hw/block/nvme: support multiple namespaces
hw/block/nvme: refactor identify active namespace id list
hw/block/nvme: add support for sgl bit bucket descriptor
hw/block/nvme: add support for scatter gather lists
hw/block/nvme: harden cmb access
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In gicv3_init_cpuif() we copy the ARMCPU gicv3_maintenance_interrupt
into the GICv3CPUState struct's maintenance_irq field. This will
only work if the board happens to have already wired up the CPU
maintenance IRQ before the GIC was realized. Unfortunately this is
not the case for the 'virt' board, and so the value that gets copied
is NULL (since a qemu_irq is really a pointer to an IRQState struct
under the hood). The effect is that the CPU interface code never
actually raises the maintenance interrupt line.
Instead, since the GICv3CPUState has a pointer to the CPUState, make
the dereference at the point where we want to raise the interrupt, to
avoid an implicit requirement on board code to wire things up in a
particular order.
Reported-by: Jose Martins <josemartins90@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20201009153904.28529-1-peter.maydell@linaro.org
Reviewed-by: Luc Michel <luc@lmichel.fr>
We use the capability chains of the VFIO_DEVICE_GET_INFO ioctl to retrieve
the CLP information that the kernel exports.
To be compatible with previous kernel versions we fall back on previous
predefined values, same as the emulation values, when the ioctl is found
to not support capability chains. If individual CLP capabilities are not
found, we fall back on default values for only those capabilities missing
from the chain.
This patch is based on work previously done by Pierre Morel.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: non-Linux build fixes]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Now that VFIO_DEVICE_GET_INFO supports capability chains, add a helper
function to find specific capabilities in the chain.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
We use a ClpRspQueryPci structure to hold the information related to a
zPCI Function.
This allows us to be ready to support different zPCI functions and to
retrieve the zPCI function information from the host.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
We use a S390PCIGroup structure to hold the information related to a
zPCI Function group.
This allows us to be ready to support multiple groups and to retrieve
the group information from the host.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
To have a clean separation between s390-pci-bus.h and s390-pci-inst.h
headers we export the PCI CLP instructions in a dedicated header.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
When an s390 guest is using lazy unmapping, it can result in a very
large number of oustanding DMA requests, far beyond the default
limit configured for vfio. Let's track DMA usage similar to vfio
in the host, and trigger the guest to flush their DMA mappings
before vfio runs out.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: non-Linux build fixes]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Create new files for separating out vfio-specific work for s390
pci. Add the first such routine, which issues VFIO_IOMMU_GET_INFO
ioctl to collect the current dma available count.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: Fix non-Linux build with CONFIG_LINUX]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The underlying host may be limiting the number of outstanding DMA
requests for type 1 IOMMU. Add helper functions to check for the
DMA available capability and retrieve the current number of DMA
mappings allowed.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: vfio_get_info_dma_avail moved inside CONFIG_LINUX]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Seems a more appropriate location for them.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
commit 3650b228f83adda7e5ee532e2b90429c03f7b9ec
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
[aw: drop pvrdma_ring.h changes to avoid revert of d73415a315 ("qemu/atomic.h: rename atomic_ to qatomic_")]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Added amount of bytes transferred to the VM at destination by all VFIO
devices
Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Added helper functions to get IOMMU info capability chain.
Added function to get migration capability information from that
capability chain for IOMMU container.
Similar change was proposed earlier:
https://lists.gnu.org/archive/html/qemu-devel/2018-05/msg03759.html
Disable migration for devices if IOMMU module doesn't support migration
capability.
Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Chetan Pant
Alistair Francis
Kevin Wolf
Philippe Mathieu-Daudé
Greg Kurz
Peter Maydell
Cornelia Huck
Paolo Bonzini
Jin Yu
Stefan Hajnoczi
Bin Meng
Yifei Jiang
Bharat Bhushan
David Hildenbrand
Marc-André Lureau
Matthew Rosato
Pierre Morel
Kirti Wankhede