This patch adds a few helpers to help sanity-check the response of the
AHCI device after a command.
ahci_d2h_check_sanity inspects the D2H Register FIS,
ahci_pio_check_sanity inspects the PIO Setup FIS, and
ahci_cmd_check_sanity inspects the command header.
To support the PIO sanity check, a new structure is added for the
PIO Setup FIS type. Existing FIS types (H2D and D2H) have had their
members renamed slightly to condense reserved members into fewer
fields; and LBA fields are now represented by arrays of 8 byte chunks
instead of independent variables.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-9-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
A simple helper that asserts a given port is not busy processing any
commands via the TFD, Command Issue and SACT registers.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-8-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
A helper that compares a given port's current interrupts and checks them
against a supplied list of expected interrupt bits, and throws an error
if they do not match.
The helper then resets the requested interrupts on this port, and asserts
that the interrupt register is now empty.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-7-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
ahci_port_check_error checks a given port's error registers and asserts
that everything from the port-level view is still OK.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-6-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Adds command header helper functions:
-ahci_command_header_set
-ahci_command_header_get,
-ahci_command_destroy, and
-ahci_cmd_pick
These helpers help to quickly manage the command header information in
the AHCI device.
ahci_command_header_set and get will store or retrieve an AHCI command
header, respectively.
ahci_cmd_pick chooses the first available but least recently used
command slot to allow us to cycle through the available command slots.
ahci_command_destroy obliterates all information contained within a
given slot's command header, and frees its associated command table,
but not its DMA buffer!
Lastly, the command table pointer fields (dba and dbau) are merged into
a single 64bit value to make managing 64bit tests simpler.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1423158090-25580-5-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The structure name is a bit of a misnomer; the structure currently named
command is actually the commandheader. A future patch in this series
will add an actual "Command" structure, so we'll rename it now before the
rest of the functions in this series try to use it.
In addition, rename the "b1" and "b2" fields
to be a unified uint16_t named "flags."
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1423158090-25580-4-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a helper that assists in clearing out potentially old error and FIS
information from an AHCI port's data structures. This ensures we always
start with a blank slate for interrupt and FIS receipt information.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-3-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This helper identifies which port of the
AHCI HBA has a device we may run tests on.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-2-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The vring.c code currently assumes that guest and host endianness match,
which is not true for a number of cases:
- emulating targets with a different endianness than the host
- bi-endian targets, where the correct endianness depends on the virtio
device
- upcoming support for the virtio-1 standard mandates little-endian
accesses even for big-endian targets and hosts
Make sure to use accessors that depend on the virtio device.
Note that dataplane now needs to be built per-target.
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Fam Zheng <famz@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Tested-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1422289602-17874-2-git-send-email-cornelia.huck@de.ibm.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
With global state removed, code responsible for booting up,
verifying, and initializing the AHCI HBA is extracted and
inserted into libqos/ahci.c, which would allow for other
qtests in the future to quickly grab a meaningfully initialized
reference to an AHCI HBA.
Even without other users, functionalizing and isolating the code
assists future AHCI tests that exercise Q35 migration.
For now, libqos/ahci.o will be PC-only, but can be expanded into
something arch-agnostic in the future, if needed.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-16-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Instead of re-querying the AHCI device for the FB and CLB buffers, save
the pointer we gave to the device during initialization and reference
these values instead.
[Peter Maydell <peter.maydell@linaro.org> reported the following clang
compiler warnings:
tests/libqos/ahci.c:256:40: warning: format specifies type 'unsigned
long' but the argument has type 'uint64_t'
(aka 'unsigned long long') [-Wformat]
g_test_message("CLB: 0x%08lx", ahci->port[i].clb);
tests/libqos/ahci.c:264:39: warning: format specifies type 'unsigned
long' but the argument has type 'uint64_t'
(aka 'unsigned long long') [-Wformat]
g_test_message("FB: 0x%08lx", ahci->port[i].fb);
The commit moved from uint32_t to uint64_t, so PRIx64 should be used for
the format specifier.
--Stefan]
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-15-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
These macros were a bad idea: They relied upon certain arguments being
present locally with a specific name.
With the endgoal being to factor out AHCI helper functions outside of
the test file itself, these have to be replaced by more explicit helper
setter/getter functions.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-14-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Introduce a set of "static inline" register helpers that are intended to
replace the current set of macros with more functional versions that are
better suited to inclusion in libqos than porcelain macros.
As a stopgap measure before eliminating the porcelain macros, define them
to use the new functions defined in the ahci.h header.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-13-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Make helper routines rely on the earmarked
guest allocator object with AHCIQState/QOSSTate instead.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-12-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Rely on the PCI Device's bus pointer instead.
One less global to worry about.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-11-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Move barsize, ahci_fingerprint and capabilities registers into
the AHCIQState object, removing global ahci-related state
from the ahci-test.c file.
More churn, less globals.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-10-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Store the HBA memory base address in the new state object, to simplify
function prototypes and encourage a more functional testing style.
This causes a lot of churn, but this patch is as "simplified" as I could
get it to be. This patch is therefore fairly mechanical and straightforward:
Any case where we pass "hba_base" has been consolidated into the AHCIQState
object and we pass the one unified parameter.
Any case where we reference "ahci" and "hba_state" have been modified to use
"ahci->dev" for the PCIDevice and "ahci->hba_state" to get at the base memory
address, accordingly.
Notes:
- A needless return is removed from start_ahci_device.
- For ease of reviewing, this patch can be reproduced (mostly) by:
# Replace (ahci, hba_base) prototypes with unified parameter
's/(QPCIDevice \*ahci, void \*\?\*hba_base/(AHCIQState *ahci/'
# Replace (ahci->dev, hba_base) calls with unified parameter
's/(ahci->dev, &\?hba_base)/(ahci)/'
# Replace calls to PCI config space using "ahci" with "ahci->dev"
's/qpci_config_\(read\|write\)\(.\)(ahci,/qpci_config_\1\2(ahci->dev,/'
After these, the remaining differences are easy to review by hand.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-9-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Create an operations structure so that the libqos interface can be
architecture agnostic, and create a pc-specific interface to functions
like qtest_boot.
Move the libqos object in the Makefile from being ahci-test only to
being linked with all tests that utilize the libqos features.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-8-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
To avoid the architecture-specific implementations of the generic qtest
allocator having to know about fields within the allocator, add a
page_size setter method for users or arch specializations to use.
The allocator will assume a default page_size for general use, but it
can always be overridden.
Since this was the last instance of code directly using properties of the
QGuestAllocator object directly, modify the type to be opaque and move
the structure inside of malloc.c.
mlist_new, which was previously exported, is made static local to malloc.c,
as it has no external users.
[Peter Maydell <peter.maydell@linaro.org> reported the following clang
warning:
tests/libqos/malloc.c:35:3: warning:
redefinition of typedef 'QGuestAllocator' is a C11 feature
[-Wtypedef-redefinition]
} QGuestAllocator;
I converted typedef struct ... QGuestAllocator; to struct ...;
--Stefan]
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Marc Marí <marc.mari.barcelo@gmail.com>
Message-id: 1421698563-6977-7-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Allow a generic interface to alloc_init_flags,
not just through pc_alloc_init_flags.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-6-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a va_list variant of the qtest_boot function.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-5-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The intent of this file is to serve as a misc. utilities file to be
shared amongst tests that are utilizing libqos facilities.
In a later patch, migration test helpers will be added to libqos.c that
will allow simplified testing of migration cases where libqos is
"Just Enough OS" for migrations testing.
The addition of the AHCIQState structure will also allow us to eliminate
global variables inside of qtests to manage allocators and test instances
in a better, more functional way.
libqos.c:
- Add qtest_boot
- Add qtest_shutdown
libqos.h:
- Create QOSState structure for allocator and QTestState.
ahci-test.c:
- Move qtest_boot and qtest_shutdown to libqos.c/h
- Create AHCIQState to interface with new qtest_boot/shutdown prototypes
- Modify tests slightly to use new types.
For now, the new object file is only linked to ahci-test, because it still
relies on pc architecture specific code in libqos. The next two patches will
reorganize the code to be more general.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-4-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Extract defines and other information to ahci.h, to be shared with other
tests if they so please.
At the very least, reduce clutter in the test file itself.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-3-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Move the list-specific initialization over into
malloc.c, to keep all of the list implementation
details within the same file.
The allocation and freeing of these structures are
now both back within the same layer.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-2-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When the drive-mirror block job is completed, it will call bdrv_swap()
on the source and the target BDS; this should obviously not result in a
segmentation fault.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423256778-3340-4-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The qemu process does not always need to be killed, just waiting for it
can be fine, too. This introduces a way to do so.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423256778-3340-3-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Before this patch, the "opaque" pointer in an NBD BDS points to a
BDRVNBDState, which contains an NbdClientSession object, which in turn
contains a pointer to the BDS. This pointer may become invalid due to
bdrv_swap(), so drop it, and instead pass the BDS directly to the
nbd-client.c functions which then retrieve the NbdClientSession object
from there.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423256778-3340-2-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
vnc_display_local_addr will not be called with an invalid display id.
Add assert() to silence coverity warning about a null pointer dereference.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
in case we send and update for a complete scanline increment
the y offset to avoid running to find_next_bit for that lines
twice.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Only in this way, change vnc qmp interface can take effect,
because qemu_opts_find(&qemu_vnc_opts, id) will return NULL
in vnc_display_open(), It can't connect successfully vnc
server forever.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Simple "hello world" MIPS N32 userland program crashes with segfault due to
incorrectly defined stat structure in QEMU.
Correct "target_stat" definition to match kernel's "stat64" as in MIPS N32
there are only plain "stat" syscalls using 64-bit structure.
Reported-by: Daniel Sanders <daniel.sanders@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Tested-by: Daniel Sanders <daniel.sanders@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Using rs = -1 in gen_logic_imm() for microMIPS LUI instruction is dangerous
and may bite us when implementing microMIPS R6 because in R6 AUI and LUI
are distinguished by rs value. Therefore use 0 for safety.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Recently added CP0.BadInstr and CP0.BadInstrP registers ended up in cpu_load()
under different offset than in cpu_save(). These and all registers between were
incorrectly restored.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
The test is supposed to terminate TB if the end of the page is reached.
However, with current implementation it may never succeed for microMIPS or
mips16.
Reported-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Maciej W. Rozycki <macro@linux-mips.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Now that isa_mem_base variable is always 0, we can remove its usage.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Create a custom address space for PCI memory region and use it for the PCI bus.
Dynamically handle PCI0 Mem0 and PCI0 Mem1 regions, as already done for PCI0 IO.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
piix4 is only used on MIPS Malta board, which gives get_system_memory()
to pci_register_bus().
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Do assorted changes in memory-mapped rtc interface.
Also fix size of ISA I/O memory region, which should be 0x10000 bytes.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Also remove address_space and address_space_io parameters, which
where always get_system_memory() and get_system_io().
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Currently, keep current behaviour by always using get_system_memory().
Also use QOM casts when possible.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20150212' into staging
Convert to linked list.
# gpg: Signature made Fri 13 Feb 2015 05:40:41 GMT using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg: aka "Richard Henderson <rth@redhat.com>"
# gpg: aka "Richard Henderson <rth@twiddle.net>"
* remotes/rth/tags/pull-tcg-20150212:
tcg: Remove unused opcodes
tcg: Implement insert_op_before
tcg: Remove opcodes instead of noping them out
tcg: Put opcodes in a linked list
tcg: Introduce tcg_op_buf_count and tcg_op_buf_full
tcg: Move emit of INDEX_op_end into gen_tb_end
tcg: Reduce ifdefs in tcg-op.c
tcg: Move some opcode generation functions out of line
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* PCIe support in virt board
* Support 32-bit guests on 64-bit KVM hosts in virt board
* Fixes to avoid C undefined behaviour
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150213' into staging
target-arm queue:
* PCIe support in virt board
* Support 32-bit guests on 64-bit KVM hosts in virt board
* Fixes to avoid C undefined behaviour
# gpg: Signature made Fri 13 Feb 2015 05:53:07 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20150213:
target-arm: A64: Avoid signed shifts in disas_ldst_pair()
target-arm: A64: Avoid left shifting negative integers in disas_pc_rel_addr
target-arm: A64: Fix handling of rotate in logic_imm_decode_wmask
target-arm: A64: Fix shifts into sign bit
target-arm: Add AArch32 guest support to KVM64
target-arm: Add 32/64-bit register sync
target-arm: Add feature parsing to virt
target-arm: Add CPU property to disable AArch64
pci: Move PCI VGA to pci.mak
arm: Add PCIe host bridge in virt machine
pci: Add generic PCIe host bridge
pci: Allocate PCIe host bridge PCI ID
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
