Commit Graph

3934 Commits

Author SHA1 Message Date
Richard Henderson
b56668bbe1 cputlb: Remove cpu->mem_io_vaddr
With the merge of notdirty handling into store_helper,
the last user of cpu->mem_io_vaddr was removed.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-09-25 10:56:28 -07:00
Paul Durrant
3809f7583b xen: perform XenDevice clean-up in XenBus watch handler
Cleaning up offline XenDevice objects directly in
xen_device_backend_changed() is dangerous as xen_device_unrealize() will
modify the watch list that is being walked. Even the QLIST_FOREACH_SAFE()
used in notifier_list_notify() is insufficient as *two* notifiers (for
the frontend and backend watches) are removed, thus potentially rendering
the 'next' pointer unsafe.

The solution is to use the XenBus backend_watch handler to do the clean-up
instead, as it is invoked whilst walking a separate watch list.

This patch therefore adds a new 'inactive_devices' list to XenBus, to which
offline devices are added by xen_device_backend_changed(). The XenBus
backend_watch registration is also changed to not only invoke
xen_bus_enumerate() but also a new xen_bus_cleanup() function, which will
walk 'inactive_devices' and perform the necessary actions.
For safety an extra 'online' check is also added to xen_bus_type_enumerate()
to make sure that no attempt is made to create a new XenDevice object for a
backend that is offline.

NOTE: This patch also includes some cosmetic changes:
      - substitute the local variable name 'backend_state'
        in xen_bus_type_enumerate() with 'state', since there
        is no ambiguity with any other state in that context.
      - change xen_device_state_is_active() to
        xen_device_frontend_is_active() (and pass a XenDevice directly)
        since the state tests contained therein only apply to a frontend.
      - use 'state' rather then 'xendev->backend_state' in
        xen_device_backend_changed() to shorten the code.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20190913082159.31338-4-paul.durrant@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-09-24 12:18:47 +01:00
Paul Durrant
d198b711f9 xen: introduce separate XenWatchList for XenDevice objects
This patch uses the XenWatchList abstraction to add a separate watch list
for each device. This is more scalable than walking a single notifier
list for all watches and is also necessary to implement a bug-fix in a
subsequent patch.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Anthony Perard <anthony.perard@citrix.com>
Message-Id: <20190913082159.31338-3-paul.durrant@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-09-24 12:18:47 +01:00
Paul Durrant
374752a26b xen / notify: introduce a new XenWatchList abstraction
Xenstore watch call-backs are already abstracted away from XenBus using
the XenWatch data structure but the associated NotifierList manipulation
and file handle registration is still open coded in various xen_bus_...()
functions.
This patch creates a new XenWatchList data structure to allow these
interactions to be abstracted away from XenBus as well. This is in
preparation for a subsequent patch which will introduce separate watch lists
for XenBus and XenDevice objects.

NOTE: This patch also introduces a new notifier_list_empty() helper function
      for the purposes of adding an assertion that a XenWatchList is not
      freed whilst its associated NotifierList is still occupied.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Anthony Perard <anthony.perard@citrix.com>
Message-Id: <20190913082159.31338-2-paul.durrant@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-09-24 12:18:47 +01:00
Corey Minyard
ebe15582ca pc: Add an SMB0 ACPI device to q35
This is so I2C devices can be found in the ACPI namespace.  Currently
that's only IPMI, but devices can be easily added now.

Adding the devices required some PCI information, and the bus itself
to be added to the PCMachineState structure.

Note that this only works on Q35, the ACPI for PIIX4 is not capable
of handling an SMBus device.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2019-09-20 14:09:24 -05:00
Corey Minyard
576d05b67f ipmi: Fix SSIF ACPI handling to use the right CRS
Pass in the CRS so that it can be set to the SMBus for IPMI later.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
ef48a8ce41 acpi: Add i2c serial bus CRS handling
This will be required for getting IPMI SSIF (SMBus interface) into
the ACPI tables.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
12f983c6aa ipmi: Add PCI IPMI interfaces
Pretty straightforward, just hook the current KCS and BT code into
the PCI system with the proper configuration.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: M: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
79d29a9d06 ipmi: Allow a size value to be passed for I/O space
PCI device I/O must be >= 8 bytes in length or they don't work.
Allow the size to be passed in, the default size of 2 or 3
won't work.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
1739d54c8b ipmi: Split out BT-specific code from ISA BT code
Get ready for PCI and other BT interfaces.

No functional changes, just split the code into generic BT code
and ISA-specific BT code.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
0f310cd6e1 ipmi: Split out KCS-specific code from ISA KCS code
Get ready for PCI and other KCS interfaces.

No functional changes, just split the code into the generic KCS code
and the ISA-specific code.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-20 14:08:10 -05:00
Corey Minyard
a65f4d4028 qdev: Add a no default uuid property
This is for IPMI, which will behave differently if the UUID is
not set.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Fam Zheng <famz@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2019-09-20 14:09:02 -05:00
Peter Maydell
7cc0cdcd6a RISC-V Patches for the 4.2 Soft Freeze, Part 1, v3
This contains quite a few patches that I'd like to target for 4.2.
 They're mostly emulation fixes for the sifive_u board, which now much
 more closely matches the hardware and can therefor run the same fireware
 as what gets loaded onto the board.  Additional user-visible
 improvements include:
 
 * support for loading initrd files from the command line into Linux, via
   /chosen/linux,initrd-{start,end} device tree nodes.
 * The conversion of LOG_TRACE to trace events.
 * The addition of clock DT nodes for our uart and ethernet.
 
 This also includes some preliminary work for the H extension patches,
 but does not include the H extension patches as I haven't had time to
 review them yet.
 
 This passes my OE boot test on 32-bit and 64-bit virt machines, as well
 as a 64-bit upstream Linux boot on the sifive_u machine.  It has been
 fixed to actually pass "make check" this time.
 
 Changes since v2 (never made it to the list):
 
 * Sets the sifive_u machine default core count to 2 instead of 5.
 
 Changes since v1 <20190910190513.21160-1-palmer@sifive.com>:
 
 * Sets the sifive_u machine default core count to 5 instead of 1, as
   it's impossible to have a single core sifive_u machine.
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Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-4.2-sf1-v3' into staging

RISC-V Patches for the 4.2 Soft Freeze, Part 1, v3

This contains quite a few patches that I'd like to target for 4.2.
They're mostly emulation fixes for the sifive_u board, which now much
more closely matches the hardware and can therefor run the same fireware
as what gets loaded onto the board.  Additional user-visible
improvements include:

* support for loading initrd files from the command line into Linux, via
  /chosen/linux,initrd-{start,end} device tree nodes.
* The conversion of LOG_TRACE to trace events.
* The addition of clock DT nodes for our uart and ethernet.

This also includes some preliminary work for the H extension patches,
but does not include the H extension patches as I haven't had time to
review them yet.

This passes my OE boot test on 32-bit and 64-bit virt machines, as well
as a 64-bit upstream Linux boot on the sifive_u machine.  It has been
fixed to actually pass "make check" this time.

Changes since v2 (never made it to the list):

* Sets the sifive_u machine default core count to 2 instead of 5.

Changes since v1 <20190910190513.21160-1-palmer@sifive.com>:

* Sets the sifive_u machine default core count to 5 instead of 1, as
  it's impossible to have a single core sifive_u machine.

# gpg: Signature made Tue 17 Sep 2019 16:43:30 BST
# gpg:                using RSA key 00CE76D1834960DFCE886DF8EF4CA1502CCBAB41
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmer@sifive.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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41

* remotes/palmer/tags/riscv-for-master-4.2-sf1-v3: (48 commits)
  gdbstub: riscv: fix the fflags registers
  target/riscv: Use TB_FLAGS_MSTATUS_FS for floating point
  target/riscv: Fix mstatus dirty mask
  target/riscv: Use both register name and ABI name
  riscv: sifive_u: Update model and compatible strings in device tree
  riscv: sifive_u: Remove handcrafted clock nodes for UART and ethernet
  riscv: sifive_u: Fix broken GEM support
  riscv: sifive_u: Instantiate OTP memory with a serial number
  riscv: sifive: Implement a model for SiFive FU540 OTP
  riscv: roms: Update default bios for sifive_u machine
  riscv: sifive_u: Change UART node name in device tree
  riscv: sifive_u: Update UART base addresses and IRQs
  riscv: sifive_u: Reference PRCI clocks in UART and ethernet nodes
  riscv: sifive_u: Add PRCI block to the SoC
  riscv: sifive_u: Generate hfclk and rtcclk nodes
  riscv: sifive: Implement PRCI model for FU540
  riscv: sifive_u: Update PLIC hart topology configuration string
  riscv: sifive_u: Update hart configuration to reflect the real FU540 SoC
  riscv: sifive_u: Set the minimum number of cpus to 2
  riscv: hart: Add a "hartid-base" property to RISC-V hart array
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-19 11:14:28 +01:00
Bin Meng
81e94379f7
riscv: sifive_u: Remove handcrafted clock nodes for UART and ethernet
In the past we did not have a model for PRCI, hence two handcrafted
clock nodes ("/soc/ethclk" and "/soc/uartclk") were created for the
purpose of supplying hard-coded clock frequencies. But now since we
have added the PRCI support in QEMU, we don't need them any more.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:49 -07:00
Bin Meng
7b6bb66f02
riscv: sifive_u: Fix broken GEM support
At present the GEM support in sifive_u machine is seriously broken.
The GEM block register base was set to a weird number (0x100900FC),
which for no way could work with the cadence_gem model in QEMU.

Not like other GEM variants, the FU540-specific GEM has a management
block to control 10/100/1000Mbps link speed changes, that is mapped
to 0x100a0000. We can simply map it into MMIO space without special
handling using create_unimplemented_device().

Update the GEM node compatible string to use the official name used
by the upstream Linux kernel, and add the management block reg base
& size to the <reg> property encoding.

Tested with upstream U-Boot and Linux kernel MACB drivers.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:49 -07:00
Bin Meng
5461c4fefe
riscv: sifive_u: Instantiate OTP memory with a serial number
This adds an OTP memory with a given serial number to the sifive_u
machine. With such support, the upstream U-Boot for sifive_fu540
boots out of the box on the sifive_u machine.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:49 -07:00
Bin Meng
9fb45c62ae
riscv: sifive: Implement a model for SiFive FU540 OTP
This implements a simple model for SiFive FU540 OTP (One-Time
Programmable) Memory interface, primarily for reading out the
stored serial number from the first 1 KiB of the 16 KiB OTP
memory reserved by SiFive for internal use.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:49 -07:00
Bin Meng
4b55bc2b5f
riscv: sifive_u: Update UART base addresses and IRQs
This updates the UART base address and IRQs to match the hardware.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jonathan Behrens <fintelia@gmail.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Chih-Min Chao <chihmin.chao@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:48 -07:00
Bin Meng
806c64b7b0
riscv: sifive_u: Reference PRCI clocks in UART and ethernet nodes
Now that we have added a PRCI node, update existing UART and ethernet
nodes to reference PRCI as their clock sources, to keep in sync with
the Linux kernel device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:48 -07:00
Bin Meng
af14c84041
riscv: sifive_u: Add PRCI block to the SoC
Add PRCI mmio base address and size mappings to sifive_u machine,
and generate the corresponding device tree node.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:48 -07:00
Bin Meng
e1724d09a6
riscv: sifive_u: Generate hfclk and rtcclk nodes
To keep in sync with Linux kernel device tree, generate hfclk and
rtcclk nodes in the device tree, to be referenced by PRCI node.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:48 -07:00
Bin Meng
0d95299468
riscv: sifive: Implement PRCI model for FU540
This adds a simple PRCI model for FU540 (sifive_u). It has different
register layout from the existing PRCI model for FE310 (sifive_e).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:47 -07:00
Bin Meng
ecdfe393b6
riscv: sifive_u: Update hart configuration to reflect the real FU540 SoC
The FU540-C000 includes a 64-bit E51 RISC-V core and four 64-bit U54
RISC-V cores. Currently the sifive_u machine only populates 4 U54
cores. Update the max cpu number to 5 to reflect the real hardware,
by creating 2 CPU clusters as containers for RISC-V hart arrays to
populate heterogeneous harts.

The cpu nodes in the generated DTS have been updated as well.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:47 -07:00
Bin Meng
f3d47d5804
riscv: sifive_u: Set the minimum number of cpus to 2
It is not useful if we only have one management CPU.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
[Palmer: Set default CPUs to 2]
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:47 -07:00
Bin Meng
e8c56787cd
riscv: hart: Add a "hartid-base" property to RISC-V hart array
At present each hart's hartid in a RISC-V hart array is assigned
the same value of its index in the hart array. But for a system
that has multiple hart arrays, this is not the case any more.

Add a new "hartid-base" property so that hartid number can be
assigned based on the property value.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:47 -07:00
Bin Meng
20f41c8698
riscv: Add a sifive_cpu.h to include both E and U cpu type defines
Group SiFive E and U cpu type defines into one header file.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:46 -07:00
Bin Meng
d0730344fd
riscv: sifive_e: prci: Update the PRCI register block size
Currently the PRCI register block size is set to 0x8000, but in fact
0x1000 is enough, which is also what the manual says.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Chih-Min Chao <chihmin.chao@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:46 -07:00
Bin Meng
56449d20e9
riscv: sifive: Rename sifive_prci.{c, h} to sifive_e_prci.{c, h}
Current SiFive PRCI model only works with sifive_e machine, as it
only emulates registers or PRCI block in the FE310 SoC.

Rename the file name to make it clear that it is for sifive_e.
This also prefix "sifive_e"/"SIFIVE_E" for all macros, variables
and functions.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Chih-Min Chao <chihmin.chao@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:46 -07:00
Bin Meng
9a2551ed6f
riscv: sifive_test: Add reset functionality
This adds a reset opcode for sifive_test device to trigger a system
reset for testing purpose.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:44 -07:00
Bin Meng
751f8f4133
riscv: Add a helper routine for finding firmware
This adds a helper routine for finding firmware. It is currently
used only for "-bios default" case.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:43 -07:00
Alistair Francis
f14d65e899
riscv: plic: Remove unused interrupt functions
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Jonathan Behrens <fintelia@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Chih-Min Chao <chihmin.chao@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-09-17 08:42:42 -07:00
Peter Maydell
f396411259 virtio,vhost,pc: features, fixes, cleanups.
Virtio 1.0 support for virtio-mmio.
 Misc fixes, cleanups.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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 T6RLd0d4YyBTebUafeaE/D+0Qwffm3LLpaYK6l0gQJXPItp5q0xHBmOtgvcUlVU=
 =OoO7
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,vhost,pc: features, fixes, cleanups.

Virtio 1.0 support for virtio-mmio.
Misc fixes, cleanups.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 16 Sep 2019 16:17:30 BST
# gpg:                using RSA key 281F0DB8D28D5469
# 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:
  virtio-mmio: implement modern (v2) personality (virtio-1)
  virtio pmem: user document
  intel_iommu: Remove the caching-mode check during flag change
  pc/q35: Disallow vfio-pci hotplug without VT-d caching mode
  qdev/machine: Introduce hotplug_allowed hook
  intel_iommu: Sanity check vfio-pci config on machine init done
  backends/vhost-user.c: prevent using uninitialized vqs
  vhost-user-blk: prevent using uninitialized vqs
  docs/nvdimm: add example on persistent backend setup
  MAINTAINERS: update virtio-rng and virtio-serial maintainer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-17 16:24:08 +01:00
Peter Maydell
186c0ab9b9 * Fix Patchew CI failures (myself)
* i386 fw_cfg refactoring (Philippe)
 * pmem bugfix (Stefan)
 * Support for accessing cstate MSRs (Wanpeng)
 * exec.c cleanups (Wei Yang)
 * Improved throttling (Yury)
 * elf-ops.h coverity fix (Stefano)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJdf6aIAAoJEL/70l94x66DEuEH/1UNNCRlpfCpviPYG4OIEIlG
 3Zu69X8DRJUgp29//9p+hwaUnFZjOIBLwvzUW+RVoqBrRmQgR9h8oxlsMbOD7XHV
 QwlseTC44/iatzldBckljqYP0kZQA48qbNokcaknifzmUvZJS9C3Z41/8BIQJpZ5
 MLi9TIjkU2Y/Kb3P8oxV0ic0jslJFz7Rf5Z4QT+iDGRXBFKQ6SxcboDD00h8RZO2
 BEtqDVUSM6dkH7Fa6k7T3S4DoEvwn2hHapoQxgu0YDMe2olNQBdRqzA/DRYbHh65
 ASr+eFLLRcqpiKgL5qPbLK1Ff7EMwWOlmlff3Px8Gj3h9U9k0FRi83xAHfGrfIc=
 =vjW5
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Fix Patchew CI failures (myself)
* i386 fw_cfg refactoring (Philippe)
* pmem bugfix (Stefan)
* Support for accessing cstate MSRs (Wanpeng)
* exec.c cleanups (Wei Yang)
* Improved throttling (Yury)
* elf-ops.h coverity fix (Stefano)

# gpg: Signature made Mon 16 Sep 2019 16:13:12 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (29 commits)
  hw/i386/pc: Extract the x86 generic fw_cfg code
  hw/i386/pc: Rename pc_build_feature_control() as generic fw_cfg_build_*
  hw/i386/pc: Let pc_build_feature_control() take a MachineState argument
  hw/i386/pc: Let pc_build_feature_control() take a FWCfgState argument
  hw/i386/pc: Rename pc_build_smbios() as generic fw_cfg_build_smbios()
  hw/i386/pc: Let pc_build_smbios() take a generic MachineState argument
  hw/i386/pc: Let pc_build_smbios() take a FWCfgState argument
  hw/i386/pc: Replace PCMachineState argument with MachineState in fw_cfg_arch_create
  hw/i386/pc: Pass the CPUArchIdList array by argument
  hw/i386/pc: Pass the apic_id_limit value by argument
  hw/i386/pc: Pass the boot_cpus value by argument
  hw/i386/pc: Rename bochs_bios_init as more generic fw_cfg_arch_create
  hw/i386/pc: Use address_space_memory in place
  hw/i386/pc: Extract e820 memory layout code
  hw/i386/pc: Use e820_get_num_entries() to access e820_entries
  cpus: Fix throttling during vm_stop
  qemu-thread: Add qemu_cond_timedwait
  memory: inline and optimize devend_memop
  memory: fetch pmem size in get_file_size()
  elf-ops.h: fix int overflow in load_elf()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-17 10:20:17 +01:00
Philippe Mathieu-Daudé
d6d059ca07 hw/i386/pc: Extract e820 memory layout code
Suggested-by: Samuel Ortiz <sameo@linux.intel.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190818225414.22590-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-09-16 17:13:07 +02:00
Peter Xu
d2321d31ff qdev/machine: Introduce hotplug_allowed hook
Introduce this new per-machine hook to give any machine class a chance
to do a sanity check on the to-be-hotplugged device as a sanity test.
This will be used for x86 to try to detect some illegal configuration
of devices, e.g., possible conflictions between vfio-pci and x86
vIOMMU.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190916080718.3299-3-peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-09-16 06:57:24 -04:00
Stefano Garzarella
41a2635124 elf-ops.h: fix int overflow in load_elf()
This patch fixes a possible integer overflow when we calculate
the total size of ELF segments loaded.

Reported-by: Coverity (CID 1405299)
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20190910124828.39794-1-sgarzare@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-09-16 12:32:21 +02:00
Cédric Le Goater
a8f07376c9 aspeed/scu: Introduce a aspeed_scu_get_apb_freq() routine
The APB frequency can be calculated directly when needed from the
HPLL_PARAM and CLK_SEL register values. This removes useless state in
the model.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-11-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:01 +01:00
Cédric Le Goater
9a937f6cc4 aspeed/scu: Introduce per-SoC SCU types
and use a class AspeedSCUClass to define each SoC characteristics.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-10-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:01 +01:00
Cédric Le Goater
5258c2a69c aspeed/smc: Inject errors in DMA checksum
Emulate read errors in the DMA Checksum Register for high frequencies
and optimistic settings of the Read Timing Compensation Register. This
will help in tuning the SPI timing calibration algorithm. Errors are
only injected when the property "inject_failure" is set to true as
suggested by Philippe.

The values below are those to expect from the first flash device of
the FMC controller of a palmetto-bmc machine.

Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190904070506.1052-8-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:01 +01:00
Cédric Le Goater
c4e1f0b483 aspeed/smc: Add support for DMAs
The FMC controller on the Aspeed SoCs support DMA to access the flash
modules. It can operate in a normal mode, to copy to or from the flash
module mapping window, or in a checksum calculation mode, to evaluate
the best clock settings for reads.

The model introduces two custom address spaces for DMAs: one for the
AHB window of the FMC flash devices and one for the DRAM. The latter
is populated using a "dram" link set from the machine with the RAM
container region.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190904070506.1052-6-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:01 +01:00
Cédric Le Goater
811a5b1d6c aspeed: Use consistent typenames
Improve the naming of the different controller models to ease their
generation when initializing the SoC. The rename of the SMC types is
breaking migration compatibility.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-5-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:01 +01:00
Rashmica Gupta
fdcc7c0631 aspeed: add a GPIO controller to the SoC
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-3-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:00 +01:00
Rashmica Gupta
4b7f956862 hw/gpio: Add basic Aspeed GPIO model for AST2400 and AST2500
GPIO pins are arranged in groups of 8 pins labeled A,B,..,Y,Z,AA,AB,AC.
(Note that the ast2400 controller only goes up to group AB).
A set has four groups (except set AC which only has one) and is
referred to by the groups it is composed of (eg ABCD,EFGH,...,YZAAAB).
Each set is accessed and controlled by a bank of 14 registers.

These registers operate on a per pin level where each bit in the register
corresponds to a pin, except for the command source registers. The command
source registers operate on a per group level where bits 24, 16, 8 and 0
correspond to each group in the set.

 eg. registers for set ABCD:
 |D7...D0|C7...C0|B7...B0|A7...A0| <- GPIOs
 |31...24|23...16|15....8|7.....0| <- bit position

Note that there are a couple of groups that only have 4 pins.

There are two ways that this model deviates from the behaviour of the
actual controller:
(1) The only control source driving the GPIO pins in the model is the ARM
model (as there currently aren't models for the LPC or Coprocessor).

(2) None of the registers in the model are reset tolerant (needs
integration with the watchdog).

Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Tested-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-2-clg@kaod.org
[clg: fixed missing header files
      made use of HWADDR_PRIx to fix compilation on windows ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:00 +01:00
Laurent Vivier
b43047a20f escc: introduce a selector for the register bit
On Sparc and PowerMac, the bit 0 of the address selects the register
type (control or data) and bit 1 selects the channel (B or A).

On m68k Macintosh and NeXTcube, the bit 0 selects the channel and
bit 1 the register type.

This patch introduces a new parameter (bit_swap) to the device interface
to indicate bits usage must be swapped between registers and channels.

For the moment all the machines use the bit 0, but this change will be
needed to emulate the Quadra 800 or NeXTcube machine.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
[thh: added NeXTcube to the patch description]
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190831074519.32613-5-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
2019-09-07 08:32:12 +02:00
Thomas Huth
956a78118b m68k: Add NeXTcube machine
It is still quite incomplete (no SCSI, no floppy emulation, no network,
etc.), but the firmware already shows up the debug monitor prompt in the
framebuffer display, so at least the very basics are already working.

This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at

 https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-cube.c

and altered quite a bit to fit the latest interface and coding conventions
of the current QEMU.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190831074519.32613-4-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
2019-09-07 08:31:51 +02:00
Thomas Huth
c8e8bc85a6 m68k: Add NeXTcube keyboard device
It is likely still quite incomplete (e.g. mouse and interrupts are not
implemented yet), but it is good enough for keyboard input at the firmware
monitor.
This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at

 https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-kbd.c

and altered to fit the latest interface of the current QEMU (e.g. to use
memory_region_init_io() instead of cpu_register_physical_memory()).

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190831074519.32613-3-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
2019-09-07 08:31:33 +02:00
Thomas Huth
e3355a0ca2 m68k: Add NeXTcube framebuffer device emulation
The NeXTcube uses a linear framebuffer with 4 greyscale colors and
a fixed resolution of 1120 * 832.
This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at

 https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-fb.c

and altered to fit the latest interface of the current QEMU (e.g.
the device has been "qdev"-ified etc.).

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190831074519.32613-2-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
2019-09-07 08:30:34 +02:00
Peter Maydell
a8b5ad8e1f virtio,vhost: fixes, features, cleanups.
FLR support.
 Misc fixes, cleanups.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
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 =K61t
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,vhost: fixes, features, cleanups.

FLR support.
Misc fixes, cleanups.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 04 Sep 2019 12:53:35 BST
# gpg:                using RSA key 281F0DB8D28D5469
# 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:
  libvhost-user: introduce and use vu_has_protocol_feature()
  libvhost-user: fix SLAVE_SEND_FD handling
  virtio-pci: Add Function Level Reset support
  virtio-rng: change default backend to rng-builtin
  virtio-rng: Keep the default backend out of VirtIORNGConf
  rng-builtin: add an RNG backend that uses qemu_guest_getrandom()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-04 17:22:34 +01:00
Peter Maydell
9de65783e1 Allow page table bit to swap endianness.
Reorganize watchpoints out of i/o path.
 Return host address from probe_write / probe_access.
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 =bLLU
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190903' into staging

Allow page table bit to swap endianness.
Reorganize watchpoints out of i/o path.
Return host address from probe_write / probe_access.

# gpg: Signature made Tue 03 Sep 2019 16:47:50 BST
# 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/tags/pull-tcg-20190903: (36 commits)
  tcg: Factor out probe_write() logic into probe_access()
  tcg: Make probe_write() return a pointer to the host page
  s390x/tcg: Pass a size to probe_write() in do_csst()
  hppa/tcg: Call probe_write() also for CONFIG_USER_ONLY
  mips/tcg: Call probe_write() for CONFIG_USER_ONLY as well
  tcg: Enforce single page access in probe_write()
  tcg: Factor out CONFIG_USER_ONLY probe_write() from s390x code
  s390x/tcg: Fix length calculation in probe_write_access()
  s390x/tcg: Use guest_addr_valid() instead of h2g_valid() in probe_write_access()
  tcg: Check for watchpoints in probe_write()
  cputlb: Handle watchpoints via TLB_WATCHPOINT
  cputlb: Remove double-alignment in store_helper
  cputlb: Fix size operand for tlb_fill on unaligned store
  exec: Factor out cpu_watchpoint_address_matches
  cputlb: Fold TLB_RECHECK into TLB_INVALID_MASK
  exec: Factor out core logic of check_watchpoint()
  exec: Move user-only watchpoint stubs inline
  target/sparc: sun4u Invert Endian TTE bit
  target/sparc: Add TLB entry with attributes
  cputlb: Byte swap memory transaction attribute
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-04 16:29:18 +01:00
Peter Maydell
f884294bd7 Machine + x86 queue, 2019-09-03
Bug fixes:
 * Fix die-id validation regression (Eduardo Habkost)
 * vmmouse: Properly reset state (Jan Kiszka)
 * hostmem-file: fix pmem file size check (Stefan Hajnoczi)
 * Keep query-hotpluggable-cpus output compatible with older QEMU
   if '-smp dies' is not set (Igor Mammedov)
 * migration: Do not re-read the clock on pre_save in case of paused guest
   (Maxiwell S. Garcia)
 
 Cleanups:
 * NUMA code cleanups (Tao Xu)
 * Remove stale externs from includes (Alex Bennée)
 
 Features:
 * qapi: report the default CPU type for each machine (Daniel P. Berrangé)
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 =u5HZ
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine + x86 queue, 2019-09-03

Bug fixes:
* Fix die-id validation regression (Eduardo Habkost)
* vmmouse: Properly reset state (Jan Kiszka)
* hostmem-file: fix pmem file size check (Stefan Hajnoczi)
* Keep query-hotpluggable-cpus output compatible with older QEMU
  if '-smp dies' is not set (Igor Mammedov)
* migration: Do not re-read the clock on pre_save in case of paused guest
  (Maxiwell S. Garcia)

Cleanups:
* NUMA code cleanups (Tao Xu)
* Remove stale externs from includes (Alex Bennée)

Features:
* qapi: report the default CPU type for each machine (Daniel P. Berrangé)

# gpg: Signature made Tue 03 Sep 2019 21:57:37 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  migration: Do not re-read the clock on pre_save in case of paused guest
  x86: do not advertise die-id in query-hotpluggbale-cpus if '-smp dies' is not set
  i386/vmmouse: Properly reset state
  hostmem-file: fix pmem file size check
  qapi: report the default CPU type for each machine
  pc: Don't make die-id mandatory unless necessary
  pc: Improve error message when die-id is omitted
  pc: Fix error message on die-id validation
  numa: move numa global variable numa_info into MachineState
  numa: move numa global variable have_numa_distance into MachineState
  numa: move numa global variable nb_numa_nodes into MachineState
  hw/arm: simplify arm_load_dtb
  includes: remove stale [smp|max]_cpus externs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-04 14:44:54 +01:00