Commit Graph

1679 Commits

Author SHA1 Message Date
Babu Moger
7b225762c8 i386: Fix pkg_id offset for EPYC cpu models
If the system is numa configured the pkg_offset needs
to be adjusted for EPYC cpu models. Fix it calling the
model specific handler.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396725589.58170.16424607815207074485.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-31 19:13:32 -03:00
Babu Moger
2e26f4ab3b hw/i386: Move arch_id decode inside x86_cpus_init
Apicid calculation depends on knowing the total number of numa nodes
for EPYC cpu models. Right now, we are calculating the arch_id while
parsing the numa(parse_numa). At this time, it is not known how many
total numa nodes are configured in the system.

Move the arch_id calculation inside x86_cpus_init. At this time, smp
parse is already completed and numa node information is available.

Override the handlers if use_epyc_apic_id_encoding is enabled in
cpu model definition.

Also replace the calling convention to use handlers from
X86MachineState.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <158396724217.58170.12256158354204870716.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-31 19:13:32 -03:00
Babu Moger
6121c7fbfd hw/i386: Introduce apicid functions inside X86MachineState
Introduce model specific apicid functions inside X86MachineState.
These functions will be loaded from X86CPUDefinition.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396722838.58170.5675998866484476427.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-31 19:13:32 -03:00
Gerd Hoffmann
17e89077b7 acpi: add acpi=OnOffAuto machine property to x86 and arm virt
Remove the global acpi_enabled bool and replace it with an
acpi OnOffAuto machine property.

qemu throws an error now if you use -no-acpi while the machine
type you are using doesn't support acpi in the first place.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200320100136.11717-1-kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-03-29 09:52:13 -04:00
Peter Maydell
32a2d6b1f6 hw/i386/amd_iommu.c: Fix corruption of log events passed to guest
In the function amdvi_log_event(), we write an event log buffer
entry into guest ram, whose contents are passed to the function
via the "uint64_t *evt" argument. Unfortunately, a spurious
'&' in the call to dma_memory_write() meant that instead of
writing the event to the guest we would write the literal value
of the pointer, plus whatever was in the following 8 bytes
on the stack. This error was spotted by Coverity.

Fix the bug by removing the '&'.

Fixes: CID 1421945
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200326105349.24588-1-peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-03-29 09:52:13 -04:00
Peter Maydell
4dd6517e36 x86 and machine queue for 5.0 soft freeze
Bug fixes:
 * memory encryption: Disable mem merge
   (Dr. David Alan Gilbert)
 
 Features:
 * New EPYC CPU definitions (Babu Moger)
 * Denventon-v2 CPU model (Tao Xu)
 * New 'note' field on versioned CPU models (Tao Xu)
 
 Cleanups:
 * x86 CPU topology cleanups (Babu Moger)
 * cpu: Use DeviceClass reset instead of a special CPUClass reset
   (Peter Maydell)
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging

x86 and machine queue for 5.0 soft freeze

Bug fixes:
* memory encryption: Disable mem merge
  (Dr. David Alan Gilbert)

Features:
* New EPYC CPU definitions (Babu Moger)
* Denventon-v2 CPU model (Tao Xu)
* New 'note' field on versioned CPU models (Tao Xu)

Cleanups:
* x86 CPU topology cleanups (Babu Moger)
* cpu: Use DeviceClass reset instead of a special CPUClass reset
  (Peter Maydell)

# gpg: Signature made Wed 18 Mar 2020 01:16:43 GMT
# 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/x86-and-machine-pull-request:
  hw/i386: Rename apicid_from_topo_ids to x86_apicid_from_topo_ids
  hw/i386: Update structures to save the number of nodes per package
  hw/i386: Remove unnecessary initialization in x86_cpu_new
  machine: Add SMP Sockets in CpuTopology
  hw/i386: Consolidate topology functions
  hw/i386: Introduce X86CPUTopoInfo to contain topology info
  cpu: Use DeviceClass reset instead of a special CPUClass reset
  machine/memory encryption: Disable mem merge
  hw/i386: Rename X86CPUTopoInfo structure to X86CPUTopoIDs
  i386: Add 2nd Generation AMD EPYC processors
  i386: Add missing cpu feature bits in EPYC model
  target/i386: Add new property note to versioned CPU models
  target/i386: Add Denverton-v2 (no MPX) CPU model

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-19 14:22:46 +00:00
Peter Maydell
ce73691e25 Pull request
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

Pull request

# gpg: Signature made Tue 17 Mar 2020 23:22:33 GMT
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/ide-pull-request:
  hw/ide: Remove unneeded inclusion of hw/ide.h
  hw/ide: Move MAX_IDE_DEVS define to hw/ide/internal.h
  hw/ide: Do ide_drive_get() within pci_ide_create_devs()
  hw/ide/pci.c: Coding style update to fix checkpatch errors
  hw/ide: Remove now unneded #include "hw/pci/pci.h" from hw/ide.h
  hw/ide: Get rid of piix4_init function
  hw/isa/piix4.c: Introduce variable to store devfn
  hw/ide: Get rid of piix3_init functions
  hd-geo-test: Clean up use of buf[] in create_qcow2_with_mbr()
  via-ide: always use legacy IRQ 14/15 routing
  via-ide: allow guests to write to PCI_CLASS_PROG
  via-ide: initialise IDE controller in legacy mode
  via-ide: ensure that PCI_INTERRUPT_LINE is hard-wired to its default value
  pci: Honour wmask when resetting PCI_INTERRUPT_LINE
  ide/via: Get rid of via_ide_init()
  via-ide: move registration of VMStateDescription to DeviceClass
  cmd646: remove unused pci_cmd646_ide_init() function
  dp264: use pci_create_simple() to initialise the cmd646 device
  cmd646: register vmstate_ide_pci VMStateDescription in DeviceClass
  cmd646: register cmd646_reset() function in DeviceClass

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-19 11:14:24 +00:00
Babu Moger
3c6712eca0 hw/i386: Rename apicid_from_topo_ids to x86_apicid_from_topo_ids
For consistency rename apicid_from_topo_ids to x86_apicid_from_topo_ids.
No functional change.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396720748.58170.5335409429390890145.stgit@naples-babu.amd.com>
2020-03-17 19:48:10 -04:00
Babu Moger
c24a41bb53 hw/i386: Update structures to save the number of nodes per package
Update structures X86CPUTopoIDs and CPUX86State to hold the number of
nodes per package. This is required to build EPYC mode topology.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396720035.58170.1973738805301006456.stgit@naples-babu.amd.com>
2020-03-17 19:48:10 -04:00
Babu Moger
156778a083 hw/i386: Remove unnecessary initialization in x86_cpu_new
The function pc_cpu_pre_plug takes care of initialization of CPUX86State.
So, remove the initialization here.

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396719336.58170.11951852360759449871.stgit@naples-babu.amd.com>
2020-03-17 19:48:10 -04:00
Babu Moger
8cb30e3aec machine: Add SMP Sockets in CpuTopology
Store the  smp sockets in CpuTopology. The socket information required to
build the apic id in EPYC mode. Right now socket information is not passed
to down when decoding the apic id. Add the socket information here.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396718647.58170.2278448323151215741.stgit@naples-babu.amd.com>
2020-03-17 19:48:10 -04:00
Babu Moger
53a5e7bddf hw/i386: Introduce X86CPUTopoInfo to contain topology info
This is an effort to re-arrange few data structure for better readability.

1. Add X86CPUTopoInfo which will have all the topology informations
   required to build the cpu topology. There is no functional changes.

2. Introduce init_topo_info to initialize X86CPUTopoInfo members from
   X86MachineState.

3. Update x86 unit tests for new calling convention with parameter X86CPUTopoInfo

There is no functional changes.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <158396717251.58170.4499717831243474938.stgit@naples-babu.amd.com>
2020-03-17 19:48:10 -04:00
Babu Moger
dcf08bc60b hw/i386: Rename X86CPUTopoInfo structure to X86CPUTopoIDs
Rename few data structures related to X86 topology.  X86CPUTopoIDs will
have individual arch ids. Next patch introduces X86CPUTopoInfo which will
have all topology information(like cores, threads etc..).

Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <158326541877.40452.17535023236841538507.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-17 19:48:10 -04:00
BALATON Zoltan
7d0776ca7f hw/ide: Remove unneeded inclusion of hw/ide.h
After previous clean ups we can drop direct inclusion of hw/ide.h from
several places.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: a3f72b663e537701c63cec5fc9cb8ed4f4249f28.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17 12:22:36 -04:00
BALATON Zoltan
be1765f398 hw/ide: Do ide_drive_get() within pci_ide_create_devs()
The pci_ide_create_devs() function takes a hd_table parameter but all
callers just pass what ide_drive_get() returns so we can do it locally
simplifying callers and removing hd_table parameter.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: e9713fdded4d212fa68ed03b844e531934226a6f.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17 12:22:36 -04:00
BALATON Zoltan
df45d38f73 hw/ide: Get rid of piix3_init functions
This removes pci_piix3_ide_init() and pci_piix3_xen_ide_init()
functions similar to clean up done to other ide devices.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: adddfa21552783020d64e1314318cab6d24362c3.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17 12:22:36 -04:00
Jan Kiszka
3c507c26ec hw/i386/intel_iommu: Fix out-of-bounds access on guest IRT
vtd_irte_get failed to check the index against the configured table
size, causing an out-of-bounds access on guest memory and potentially
misinterpreting the result.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-Id: <4b15b728-bdfe-3bbe-3a5c-ca3baeef3c5c@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:22 +01:00
Philippe Mathieu-Daudé
f7795e4096 misc: Replace zero-length arrays with flexible array member (automatic)
Description copied from Linux kernel commit from Gustavo A. R. Silva
(see [3]):

--v-- description start --v--

  The current codebase makes use of the zero-length array language
  extension to the C90 standard, but the preferred mechanism to
  declare variable-length types such as these ones is a flexible
  array member [1], introduced in C99:

  struct foo {
      int stuff;
      struct boo array[];
  };

  By making use of the mechanism above, we will get a compiler
  warning in case the flexible array does not occur last in the
  structure, which will help us prevent some kind of undefined
  behavior bugs from being unadvertenly introduced [2] to the
  Linux codebase from now on.

--^-- description end --^--

Do the similar housekeeping in the QEMU codebase (which uses
C99 since commit 7be41675f7).

All these instances of code were found with the help of the
following Coccinelle script:

  @@
  identifier s, m, a;
  type t, T;
  @@
   struct s {
      ...
      t m;
  -   T a[0];
  +   T a[];
  };
  @@
  identifier s, m, a;
  type t, T;
  @@
   struct s {
      ...
      t m;
  -   T a[0];
  +   T a[];
   } QEMU_PACKED;

[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76497732932f
[3] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=17642a2fbd2c1

Inspired-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 22:07:42 +01:00
Philippe Mathieu-Daudé
4b997690c6 hw/i386: Include "hw/mem/nvdimm.h"
All this files use methods/definitions declared in the NVDIMM
device header. Include it.

This fixes (when modifying unrelated headers):

  hw/i386/acpi-build.c:2733:9: error: implicit declaration of function 'nvdimm_build_acpi' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
        ^
  hw/i386/pc.c:1996:61: error: use of undeclared identifier 'TYPE_NVDIMM'
    const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
                                                            ^
  hw/i386/pc.c:2032:55: error: use of undeclared identifier 'TYPE_NVDIMM'
    bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
                                                      ^
  hw/i386/pc.c:2040:9: error: implicit declaration of function 'nvdimm_plug' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        nvdimm_plug(ms->nvdimms_state);
        ^
  hw/i386/pc.c:2040:9: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
        nvdimm_plug(ms->nvdimms_state);
        ^
  hw/i386/pc.c:2065:42: error: use of undeclared identifier 'TYPE_NVDIMM'
    if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
                                         ^
  hw/i386/pc_i440fx.c:307:9: error: implicit declaration of function 'nvdimm_init_acpi_state' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
        ^
  hw/i386/pc_q35.c:332:9: error: implicit declaration of function 'nvdimm_init_acpi_state' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
        ^

Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200228114649.12818-17-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-09 15:59:31 +01:00
Philippe Mathieu-Daudé
a6f65f4fc2 hw/i386/intel_iommu: Simplify vtd_find_as_from_bus_num() logic
The vtd_find_as_from_bus_num() function was introduced (in commit
dbaabb25f) in a code format that could return an incorrect pointer,
which was later fixed by commit a2e1cd41cc.
We could have avoided this by writing the if() statement differently.
Do it now, in case this function is re-used. The code is easier to
review (harder to miss bugs).

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200305102702.31512-1-philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-03-08 09:27:09 -04:00
Eric Auger
2e8f7675b5 tpm: Separate TPM_TIS and TPM_TIS_ISA configs
Let's separate the compilation of tpm_tis_common.c from
the compilation of tpm_tis_isa.c

The common part will be also compiled along with the
tpm_tis_sysbus device.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20200305165149.618-5-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-03-05 12:18:00 -05:00
Eric Auger
43bc7f84e1 tpm: rename TPM_TIS into TPM_TIS_ISA
As we plan to introduce a sysbus TPM_TIS, let's rename
TPM_TIS into TPM_TIS_ISA.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20200305165149.618-2-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-03-05 12:17:19 -05:00
Philippe Mathieu-Daudé
ea0ac7f6f8 hw: Make MachineClass::is_default a boolean type
There's no good reason for it to be type int, change it to bool.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200207161948.15972-3-philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-02-28 14:57:19 -05:00
Igor Mammedov
bd457782b3 x86/pc: use memdev for RAM
memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
  MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200219160953.13771-44-imammedo@redhat.com>
2020-02-19 16:49:58 +00:00
Igor Mammedov
9ad5468692 x86/microvm: use memdev for RAM
memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
  MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200219160953.13771-43-imammedo@redhat.com>
2020-02-19 16:49:58 +00:00
Thomas Huth
bb38df846d hw/i386/vmmouse: Fix crash when using the vmmouse on a machine without vmport
QEMU currently crashes when the user tries to use the "vmmouse" on a
machine without vmport, e.g.:

 $ x86_64-softmmu/qemu-system-x86_64 -machine microvm -device vmmouse
 Segmentation fault (core dumped)

or:

 $ x86_64-softmmu/qemu-system-x86_64 -device vmmouse -M pc,vmport=off
 Segmentation fault (core dumped)

Let's avoid the crash by checking for the vmport device first.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20200129112954.4282-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-06 11:02:48 +01:00
Damien Hedde
f703a04ce5 add device_legacy_reset function to prepare for reset api change
Provide a temporary device_legacy_reset function doing what
device_reset does to prepare for the transition with Resettable
API.

All occurrence of device_reset in the code tree are also replaced
by device_legacy_reset.

The new resettable API has different prototype and semantics
(resetting child buses as well as the specified device). Subsequent
commits will make the changeover for each call site individually; once
that is complete device_legacy_reset() will be removed.

Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200123132823.1117486-2-damien.hedde@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30 16:02:03 +00:00
Aleksandar Markovic
6cdda0ff4b hw/core/loader: Let load_elf() populate a field with CPU-specific flags
While loading the executable, some platforms (like AVR) need to
detect CPU type that executable is built for - and, with this patch,
this is enabled by reading the field 'e_flags' of the ELF header of
the executable in question. The change expands functionality of
the following functions:

  - load_elf()
  - load_elf_as()
  - load_elf_ram()
  - load_elf_ram_sym()

The argument added to these functions is called 'pflags' and is of
type 'uint32_t*' (that matches 'pointer to 'elf_word'', 'elf_word'
being the type of the field 'e_flags', in both 32-bit and 64-bit
variants of ELF header). Callers are allowed to pass NULL as that
argument, and in such case no lookup to the field 'e_flags' will
happen, and no information will be returned, of course.

CC: Richard Henderson <rth@twiddle.net>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Edgar E. Iglesias <edgar.iglesias@gmail.com>
CC: Michael Walle <michael@walle.cc>
CC: Thomas Huth <huth@tuxfamily.org>
CC: Laurent Vivier <laurent@vivier.eu>
CC: Philippe Mathieu-Daudé <f4bug@amsat.org>
CC: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
CC: Aurelien Jarno <aurelien@aurel32.net>
CC: Jia Liu <proljc@gmail.com>
CC: David Gibson <david@gibson.dropbear.id.au>
CC: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: BALATON Zoltan <balaton@eik.bme.hu>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: Thomas Huth <thuth@redhat.com>
CC: Artyom Tarasenko <atar4qemu@gmail.com>
CC: Fabien Chouteau <chouteau@adacore.com>
CC: KONRAD Frederic <frederic.konrad@adacore.com>
CC: Max Filippov <jcmvbkbc@gmail.com>

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1580079311-20447-24-git-send-email-aleksandar.markovic@rt-rk.com>
2020-01-29 19:28:52 +01:00
Peter Maydell
760df0d121 * Register qdev properties as class properties (Marc-André)
* Cleanups (Philippe)
 * virtio-scsi fix (Pan Nengyuan)
 * Tweak Skylake-v3 model id (Kashyap)
 * x86 UCODE_REV support and nested live migration fix (myself)
 * Advisory mode for pvpanic (Zhenwei)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJeK1CXAAoJEL/70l94x66DXtkIAI6W5wEY0Yme4M9Q5mGc0RV8
 uscPLg0wsg88u6xne8ucCiGymvDREym2ii/aVI0Hi5ish84ZMdCrdck9cd+llpMf
 +a3slL26AKlOW8WtYSuyAE1RdLFXngeXdwal5KtWPEExJorkDUPTbwhBzQduQK1a
 myoHHcbwdd/96v7FvKnfG8jM6KZtHPQQ0i6+6fX4PN44jaULQNjze8GIrRBEwqw5
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 =TD0Y
 -----END PGP SIGNATURE-----

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

* Register qdev properties as class properties (Marc-André)
* Cleanups (Philippe)
* virtio-scsi fix (Pan Nengyuan)
* Tweak Skylake-v3 model id (Kashyap)
* x86 UCODE_REV support and nested live migration fix (myself)
* Advisory mode for pvpanic (Zhenwei)

# gpg: Signature made Fri 24 Jan 2020 20:16:23 GMT
# 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: (58 commits)
  build-sys: clean up flags included in the linker command line
  target/i386: Add the 'model-id' for Skylake -v3 CPU models
  qdev: use object_property_help()
  qapi/qmp: add ObjectPropertyInfo.default-value
  qom: introduce object_property_help()
  qom: simplify qmp_device_list_properties()
  vl: print default value in object help
  qdev: register properties as class properties
  qdev: move instance properties to class properties
  qdev: rename DeviceClass.props
  qdev: set properties with device_class_set_props()
  object: return self in object_ref()
  object: release all props
  object: add object_class_property_add_link()
  object: express const link with link property
  object: add direct link flag
  object: rename link "child" to "target"
  object: check strong flag with &
  object: do not free class properties
  object: add object_property_set_default
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-27 09:44:04 +00:00
Marc-André Lureau
4f67d30b5e qdev: set properties with device_class_set_props()
The following patch will need to handle properties registration during
class_init time. Let's use a device_class_set_props() setter.

spatch --macro-file scripts/cocci-macro-file.h  --sp-file
./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place
--dir .

@@
typedef DeviceClass;
DeviceClass *d;
expression val;
@@
- d->props = val
+ device_class_set_props(d, val)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:15 +01:00
Corey Minyard
aefcaf9d1b i386:acpi: Remove _HID from the SMBus ACPI entry
Per the ACPI spec (version 6.1, section 6.1.5 _HID) it is not required
on enumerated buses (like PCI in this case), _ADR is required (and is
already there).  And the _HID value is wrong.  Linux appears to ignore
the _HID entry, but Windows 10 detects it as 'Unknown Device' and there
is no driver available.  See https://bugs.launchpad.net/qemu/+bug/1856724

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200120170725.24935-6-minyard@acm.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-22 01:47:55 -05:00
Igor Mammedov
f404220e27 q35: implement 128K SMRAM at default SMBASE address
It's not what real HW does, implementing which would be overkill [**]
and would require complex cross stack changes (QEMU+firmware) to make
it work.
So considering that SMRAM is owned by MCH, for simplicity (ab)use
reserved Q35 register, which allows QEMU and firmware easily init
and make RAM at SMBASE available only from SMM context.

Patch uses commit (2f295167e0 q35/mch: implement extended TSEG sizes)
for inspiration and uses reserved register in config space at 0x9c
offset [*] to extend q35 pci-host with ability to use 128K at
0x30000 as SMRAM and hide it (like TSEG) from non-SMM context.

Usage:
  1: write 0xff in the register
  2: if the feature is supported, follow up read from the register
     should return 0x01. At this point RAM at 0x30000 is still
     available for SMI handler configuration from non-SMM context
  3: writing 0x02 in the register, locks SMBASE area, making its contents
     available only from SMM context. In non-SMM context, reads return
     0xff and writes are ignored. Further writes into the register are
     ignored until the system reset.

*) https://www.mail-archive.com/qemu-devel@nongnu.org/msg455991.html
**) https://www.mail-archive.com/qemu-devel@nongnu.org/msg646965.html

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1575896942-331151-3-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
2020-01-22 00:23:07 -05:00
Peter Maydell
b952544fe8 * Compat machines fix (Denis)
* Command line parsing fixes (Michal, Peter, Xiaoyao)
 * Cooperlake CPU model fixes (Xiaoyao)
 * i386 gdb fix (mkdolata)
 * IOEventHandler cleanup (Philippe)
 * icount fix (Pavel)
 * RR support for random number sources (Pavel)
 * Kconfig fixes (Philippe)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 irkQjLtD4dWlogBKO4i/QHMuwV+Asa57WNPmqv3EcIWPUWmTY84H0g2AxRgcc2M=
 =48jx
 -----END PGP SIGNATURE-----

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

* Compat machines fix (Denis)
* Command line parsing fixes (Michal, Peter, Xiaoyao)
* Cooperlake CPU model fixes (Xiaoyao)
* i386 gdb fix (mkdolata)
* IOEventHandler cleanup (Philippe)
* icount fix (Pavel)
* RR support for random number sources (Pavel)
* Kconfig fixes (Philippe)

# gpg: Signature made Wed 08 Jan 2020 10:41:00 GMT
# 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: (38 commits)
  chardev: Use QEMUChrEvent enum in IOEventHandler typedef
  chardev: use QEMUChrEvent instead of int
  chardev/char: Explicit we ignore some QEMUChrEvent in IOEventHandler
  monitor/hmp: Explicit we ignore a QEMUChrEvent in IOEventHandler
  monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler
  virtio-console: Explicit we ignore some QEMUChrEvent in IOEventHandler
  vhost-user-blk: Explicit we ignore few QEMUChrEvent in IOEventHandler
  vhost-user-net: Explicit we ignore few QEMUChrEvent in IOEventHandler
  vhost-user-crypto: Explicit we ignore some QEMUChrEvent in IOEventHandler
  ccid-card-passthru: Explicit we ignore QEMUChrEvent in IOEventHandler
  hw/usb/redirect: Explicit we ignore few QEMUChrEvent in IOEventHandler
  hw/usb/dev-serial: Explicit we ignore few QEMUChrEvent in IOEventHandler
  hw/char/terminal3270: Explicit ignored QEMUChrEvent in IOEventHandler
  hw/ipmi: Explicit we ignore some QEMUChrEvent in IOEventHandler
  hw/ipmi: Remove unnecessary declarations
  target/i386: Add missed features to Cooperlake CPU model
  target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES
  target/i386: Fix handling of k_gs_base register in 32-bit mode in gdbstub
  hw/rtc/mc146818: Add missing dependency on ISA Bus
  hw/nvram/Kconfig: Restrict CHRP NVRAM to machines using OpenBIOS or SLOF
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-10 17:16:49 +00:00
Peter Maydell
f38a71b01f Testing fixes and semiconsole support:
- build fix (missing x86-iommu stubs)
   - python fixes for freebsd and OSX
   - nicer reporting of acceptance failures
   - fix build nesting of fp-test (breaks bsds)
   - semihosting clean-ups
   - support for blocking semihosting console
 -----BEGIN PGP SIGNATURE-----
 
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 VBWWNky4RyGjgcKoQQ8cNUmFhntnemGjnxvz1G0dObPu6yl5jNXIk7qJFZkSsERy
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 YRTxj1BCwynsGbDpWSI/XHOYgKp8rA==
 =lSAv
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-semihosting-090120-2' into staging

Testing fixes and semiconsole support:

  - build fix (missing x86-iommu stubs)
  - python fixes for freebsd and OSX
  - nicer reporting of acceptance failures
  - fix build nesting of fp-test (breaks bsds)
  - semihosting clean-ups
  - support for blocking semihosting console

# gpg: Signature made Thu 09 Jan 2020 11:42:51 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-and-semihosting-090120-2:
  tests/tcg: add user version of dumb-as-bricks semiconsole test
  tests/tcg: extract __semi_call into a header and expand
  tests/tcg: add a dumb-as-bricks semihosting console test
  semihosting: add qemu_semihosting_console_inc for SYS_READC
  target/arm: only update pc after semihosting completes
  target/arm: remove unused EXCP_SEMIHOST leg
  testing: don't nest build for fp-test
  travis.yml: install homebrew python for OS X
  travis.yml: duplicate before_script for MacOSX
  travis.yml: Detach build and test steps
  travis.yml: avocado: Print logs of non-pass tests only
  freebsd: use python37
  tests/vm: update openbsd to release 6.6
  hw/i386/x86-iommu: Add missing stubs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-10 13:19:34 +00:00
Philippe Mathieu-Daudé
6ec0a06366 hw/i386/x86-iommu: Add missing stubs
In commit 6c730e4af9 we introduced a stub to build the MicroVM
machine without Intel IOMMU. This stub is incomplete for the
other PC machines. Add the missing stubs.

Fixes: 6c730e4af9
Reported-by: Travis-CI
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20191220154225.25879-1-philmd@redhat.com>
2020-01-09 11:41:25 +00:00
Peter Maydell
1bbd1511b6 Clean-ups: qom-ify serial and remove QDEV_PROP_PTR
Hi,
 
 QDEV_PROP_PTR is marked in multiple places as "FIXME/TODO/remove
 me". In most cases, it can be easily replaced with QDEV_PROP_LINK when
 the pointer points to an Object.
 
 There are a few places where such substitution isn't possible. For
 those places, it seems reasonable to use a specific setter method
 instead, and keep the user_creatable = false. In other places,
 proper usage of qdev or other facilies is the solution.
 
 The serial code wasn't converted to qdev, which makes it a bit more
 archaic to deal with. Let's convert it first, so we can more easily
 embed it from other devices, and re-export some properties and drop
 QDEV_PROP_PTR usage.
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/elmarco/tags/prop-ptr-pull-request' into staging

Clean-ups: qom-ify serial and remove QDEV_PROP_PTR

Hi,

QDEV_PROP_PTR is marked in multiple places as "FIXME/TODO/remove
me". In most cases, it can be easily replaced with QDEV_PROP_LINK when
the pointer points to an Object.

There are a few places where such substitution isn't possible. For
those places, it seems reasonable to use a specific setter method
instead, and keep the user_creatable = false. In other places,
proper usage of qdev or other facilies is the solution.

The serial code wasn't converted to qdev, which makes it a bit more
archaic to deal with. Let's convert it first, so we can more easily
embed it from other devices, and re-export some properties and drop
QDEV_PROP_PTR usage.

# gpg: Signature made Tue 07 Jan 2020 15:01:26 GMT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/prop-ptr-pull-request: (37 commits)
  qdev/qom: remove some TODO limitations now that PROP_PTR is gone
  qdev: remove QDEV_PROP_PTR
  qdev: remove PROP_MEMORY_REGION
  omap-gpio: remove PROP_PTR
  omap-i2c: remove PROP_PTR
  omap-intc: remove PROP_PTR
  smbus-eeprom: remove PROP_PTR
  cris: improve passing PIC interrupt vector to the CPU
  mips/cps: fix setting saar property
  qdev: use g_strcmp0() instead of open-coding it
  leon3: use qdev gpio facilities for the PIL
  leon3: use qemu_irq framework instead of callback as property
  dp8393x: replace PROP_PTR with PROP_LINK
  etraxfs: remove PROP_PTR usage
  lance: replace PROP_PTR with PROP_LINK
  vmmouse: replace PROP_PTR with PROP_LINK
  sm501: make SerialMM a child, export chardev property
  mips: use sysbus_mmio_get_region() instead of internal fields
  mips: use sysbus_add_io()
  mips: baudbase is 115200 by default
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-07 17:54:29 +00:00
Marc-André Lureau
0fe4bb3241 vmmouse: replace PROP_PTR with PROP_LINK
While at it, use the expected type.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-01-07 17:24:29 +04:00
Marc-André Lureau
7e83a77f96 sysbus: remove unused sysbus_try_create*
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-07 16:06:59 +04:00
Philippe Mathieu-Daudé
ff2efdcdc1 hw/i386/Kconfig: Let the MicroVM machine select the SERIAL_ISA config
When configured with --without-default-devices, the build fails:

     LINK    x86_64-softmmu/qemu-system-x86_64
  /usr/bin/ld: hw/i386/microvm.o: in function `microvm_devices_init':
  hw/i386/microvm.c:157: undefined reference to `serial_hds_isa_init'
  collect2: error: ld returned 1 exit status
  make[1]: *** [Makefile:206: qemu-system-x86_64] Error 1
  make: *** [Makefile:483: x86_64-softmmu/all] Error 2

While the MicroVM machine only uses the ISA serial port when the
MICROVM_MACHINE_ISA_SERIAL property is set, it has to be linked
with it. Replace the 'imply' Kconfig rule by a 'select'.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191231183216.6781-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 12:08:39 +01:00
Peter Wu
a88c40f02a hw/i386/pc: fix regression in parsing vga cmdline parameter
When the 'vga=' parameter is succeeded by another parameter, QEMU 4.2.0
would refuse to start with a rather cryptic message:

    $ qemu-system-x86_64 -kernel /boot/vmlinuz-linux -append 'vga=792 quiet'
    qemu: can't parse 'vga' parameter: Invalid argument

It was not clear whether this applied to the '-vga std' parameter or the
'-append' one. Fix the parsing regression and clarify the error.

Fixes: 133ef074bd ("hw/i386/pc: replace use of strtol with qemu_strtoui in x86_load_linux()")
Cc: Sergio Lopez <slp@redhat.com>
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Message-Id: <20191221162124.1159291-1-peter@lekensteyn.nl>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 12:08:39 +01:00
Philippe Mathieu-Daudé
218fc2b5c8 hw/i386/x86-iommu: Add missing stubs
In commit 6c730e4af9 we introduced a stub to build the MicroVM
machine without Intel IOMMU. This stub is incomplete for the
other PC machines. Add the missing stubs.

Fixes: 6c730e4af9 ("pc: stubify x86 iommu", 2019-12-17)
Reported-by: Travis-CI
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191220154225.25879-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 12:08:39 +01:00
Denis Plotnikov
3817261eb9 hw: fix using 4.2 compat in 5.0 machine types for i440fx/q35
5.0 machine type uses 4.2 compats. This seems to be incorrect, since
the latests machine type by now is 5.0 and it should use its own
compat or shouldn't use any relying on the defaults.
Seems, like this appeared because of some problems on merge/rebase.

Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20191223072856.5369-1-dplotnikov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 12:08:39 +01:00
Liu Yi L
56fc1e6ac6 intel_iommu: add present bit check for pasid table entries
The present bit check for pasid entry (pe) and pasid directory
entry (pdire) were missed in previous commits as fpd bit check
doesn't require present bit as "Set". This patch adds the present
bit check for callers which wants to get a valid pe/pdire.

Cc: qemu-stable@nongnu.org
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yi Sun <yi.y.sun@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Message-Id: <1578058086-4288-3-git-send-email-yi.l.liu@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Liu Yi L
a2e1cd41cc intel_iommu: a fix to vtd_find_as_from_bus_num()
Ensure the return value of vtd_find_as_from_bus_num() is NULL by
enforcing vtd_bus=NULL. This would help caller of vtd_find_as_from_bus_num()
to decide if any further operation on the returned vtd_bus.

Cc: qemu-stable@nongnu.org
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Message-Id: <1578058086-4288-2-git-send-email-yi.l.liu@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Denis Plotnikov
d940208cbb hw: fix using 4.2 compat in 5.0 machine types for i440fx/q35
5.0 machine type uses 4.2 compats. This seems to be incorrect, since
the latests machine type by now is 5.0 and it should use its own
compat or shouldn't use any relying on the defaults.
Seems, like this appeared because of some problems on merge/rebase.

Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Message-Id: <20191223072856.5369-1-dplotnikov@virtuozzo.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-05 07:03:03 -05:00
Liu Jingqi
e6f123c3b8 hmat acpi: Build Memory Proximity Domain Attributes Structure(s)
HMAT is defined in ACPI 6.3: 5.2.27 Heterogeneous Memory Attribute Table
(HMAT). The specification references below link:
http://www.uefi.org/sites/default/files/resources/ACPI_6_3_final_Jan30.pdf

It describes the memory attributes, such as memory side cache
attributes and bandwidth and latency details, related to the
Memory Proximity Domain. The software is
expected to use this information as hint for optimization.

This structure describes Memory Proximity Domain Attributes by memory
subsystem and its associativity with processor proximity domain as well as
hint for memory usage.

In the linux kernel, the codes in drivers/acpi/hmat/hmat.c parse and report
the platform's HMAT tables.

Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Daniel Black <daniel@linux.ibm.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Liu Jingqi <jingqi.liu@intel.com>
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20191213011929.2520-5-tao3.xu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-05 07:03:03 -05:00
Yi Sun
8fdee7118d intel_iommu: fix bug to read DMAR_RTADDR_REG
Should directly read DMAR_RTADDR_REG but not using 's->root'.
Because 's->root' is modified in 'vtd_root_table_setup()' so
that the first 12 bits are omitted. This causes the guest
iommu debugfs cannot show pasid tables.

Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Message-Id: <20191205095439.29114-1-yi.y.sun@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-05 07:03:03 -05:00
Peter Maydell
4800819827 * More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
 * Cleanups from the Meson conversion (Marc-André)
 * Support for multiple -accel options (myself)
 * Many x86 machine cleanup (Philippe, myself)
 * tests/migration-test cleanup (Juan)
 * PC machine removal and next round of deprecation (Thomas)
 * kernel-doc integration (Peter, myself)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
* Cleanups from the Meson conversion (Marc-André)
* Support for multiple -accel options (myself)
* Many x86 machine cleanup (Philippe, myself)
* tests/migration-test cleanup (Juan)
* PC machine removal and next round of deprecation (Thomas)
* kernel-doc integration (Peter, myself)

# gpg: Signature made Wed 18 Dec 2019 01:35:02 GMT
# 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: (87 commits)
  vga: cleanup mapping of VRAM for non-PCI VGA
  hw/display: Remove "rombar" hack from vga-pci and vmware_vga
  hw/pci: Remove the "command_serr_enable" property
  hw/audio: Remove the "use_broken_id" hack from the AC97 device
  hw/i386: Remove the deprecated machines 0.12 up to 0.15
  hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge
  hw/pci-host/i440fx: Extract the IGD passthrough host bridge device
  hw/pci-host/i440fx: Use definitions instead of magic values
  hw/pci-host/i440fx: Use size_t to iterate over ARRAY_SIZE()
  hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h"
  hw/pci-host/i440fx: Correct the header description
  Fix some comment spelling errors.
  target/i386: remove unused pci-assign codes
  WHPX: refactor load library
  migration: check length directly to make sure the range is aligned
  memory: include MemoryListener documentation and some missing function parameters
  docs: add memory API reference
  memory.h: Silence kernel-doc complaints
  docs: Create bitops.rst as example of kernel-docs
  bitops.h: Silence kernel-doc complaints
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 11:20:25 +00:00
Vladimir Sementsov-Ogievskiy
c9b13a51d5 hw/i386/amd_iommu: rename Error ** parameter to more common errp
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20191205174635.18758-12-vsementsov@virtuozzo.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-12-18 08:43:19 +01:00
Thomas Huth
30d2a17b46 hw/i386: Remove the deprecated machines 0.12 up to 0.15
These machines can't be used reliably for migration anymore, quoting
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04516.html :

"
 due to the introduction of the memory API, the firmware is not
 migrated correctly from source to destination.  On QEMU <1.3 the
 0xf0000-0xfffff area is basically a copy of the higher
 0xffff0000-0xffffffff area, while on more recent versions it is
 initialized with zeroes and the firmware copies from 0xffff0000 to
 0xf0000.  When you migrate from old to new QEMU, after reboot there's
 nothing at 0xf0000 and bugs ensue.
"

The pc-0.x machines have been marked as deprecated since QEMU v4.0, so
it is time to remove them now.

And while we're at it, mark the remaining pc-1.x machine types
as deprecated now, too, so that we finally only have "pc-i440fx"
and "pc-q35" machine types left (apart from the non-versioned
"isapc" and "microvm") once we remove them in a couple of releases.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191209125248.5849-2-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-12-18 02:34:12 +01:00