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* remotes/qmp-unstable/queue/qmp:
qapi-types: add C99 index names to arrays
monitor: Fix missing err = NULL in client_migrate_info()
balloon: Fix typo
hmp: Fix warning from smatch (wrong argument in function call)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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It's not easy to figure out how monitor translates
strings: most QEMU code deals with translated indexes,
these are translated using _lookup arrays,
so you need to find the array name, and find the
appropriate offset.
This patch adds C99 indexes to lookup arrays, which makes it possible to
find the correct key using simple grep, and see that the matching is
correct at a glance.
Example:
Before:
const char *MigrationCapability_lookup[] = {
"xbzrle",
"rdma-pin-all",
"auto-converge",
"zero-blocks",
NULL,
};
After:
const char *MigrationCapability_lookup[] = {
[MIGRATION_CAPABILITY_XBZRLE] = "xbzrle",
[MIGRATION_CAPABILITY_RDMA_PIN_ALL] = "rdma-pin-all",
[MIGRATION_CAPABILITY_AUTO_CONVERGE] = "auto-converge",
[MIGRATION_CAPABILITY_ZERO_BLOCKS] = "zero-blocks",
[MIGRATION_CAPABILITY_MAX] = NULL,
};
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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When SPICE isn't used, we either fail an assertion in error_set(),
or leak an error object. Broken in commit b25d81b.
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Commit 422e0501 introduced a typo (unless removing an 'o' from
balloon is how you deflate it?)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Fix this warning:
hmp.c:414:38: warning: Using plain integer as NULL pointer
qmp_query_block expects a pointer argument, so passing false is wrong.
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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staging
seabios: update to 1.8.0 release
# gpg: Signature made Thu Feb 19 08:36:30 2015 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-roms-20150219-1:
seabios: update to 1.8.0 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'git shortlog 8936dbb2..4c59f5d8' for seabios repo:
David Woodhouse (4):
Update EFI_COMPATIBILITY16_TABLE to match 0.98 spec update
build: use -m16 where available instead of asm(".code16gcc")
romlayout: Use .code16 not .code16gcc
vgabios: Use .code16 not .code16gcc
Gerd Hoffmann (2):
add scripts/tarball.sh
build: set LC_ALL=C
Hannes Reinecke (1):
megasas: read addional PCI I/O bar
Ian Campbell (1):
romlayout: Use "rep ; nop" not "rep nop".
Kevin O'Connor (139):
vgabios: Return from handle_1011() if handler found.
edd: Move EDD get drive parameters (int 1348) logic from disk.c to block.c.
edd: Use sectors==-1 to detect removable media.
edd: Separate out ATA and virtio specific parts of fill_edd().
cdemu: store internal cdemu fields in standard "el-torito" spec format.
Move cdemu call interface and disk_ret helper code to disk.c.
smm: Replace SMI assembler code with C code.
smm: Use a C struct to define the layout of the SMM area.
smp: Replace QEMU SMP init assembler code with C; run only in 32bit mode.
Don't enable thread preemption during S3 resume vga option rom execution.
Remove old Bochs bios fixed address string at 0xfff00.
Move most of the VAR16FIXED() defs to misc.c.
build: Avoid absolute paths during "whole-program" compiling.
Make sure handle_smi() and handle_smp() are compiled out if not enabled.
Remove the TODO file.
Abstract reset call (and possible 16bit mode switch) into reset() function.
build: Remove unused function getSectionsStart() from layoutrom.py.
build: Extract section visiting logic in layoutrom.py.
build: Refactor layoutrom.py gc() function.
build: Use customized entry point for each type of build.
build: Refactor findInit() function.
build: Rework getRelocs() to use a hash instead of categories in layoutrom.py
build: Keep segmented sections separate until final link step.
build: Use fileid instead of category to write sections in layoutrom.py.
build: Only export needed fields in LayoutInfo in layoutrom.py.
build: Get fixed address variables from 32bit compile pass (not 16bit)
build: Minor - fix comments referring to old tools/ directory.
xhci: Update the times for usb command timeouts.
ehci: Update usb command timeouts to use usb_xfer_time()
uhci: Update usb command timeouts to use usb_xfer_time()
ohci: Update usb command timeouts to use usb_xfer_time()
vgabios: Fix broken build resulting from e5749978.
boot: Change ":rom%d" boot order rom instance to ":rom%x"
Minor - remove stray tab from src/fw/smm.c.
build: Update kconfig to version in Linux 3.16.
usb: Fix usb_xfer_time() to work when called in 16bit mode.
xhci: Call usb_desc2pipe() on xhci_update_pipe().
xhci: Remove 16bit code wrappers.
xhci: Use high memory instead of low memory for internal storage.
xhci: Move root hub and setup code to top of file.
xhci: Add xhci_check_ports() and xhci_free_pipes() functions.
ehci: Move port power up from ehci_hub_detect() to check_ehci_ports().
usb-hub: Enable power to all ports prior to calling usb_enumerate().
xhci: Change xhci_hub_detect() to use connect status instead of link state.
uhci: Repeatedly poll for device detect for 100ms.
ohci: Repeatedly poll for device detect for 100ms.
ehci: Stall uhci/ohci init only until default port routing is done.
usb: Perform device detect polling on all usb controllers.
ehci: Fix bug in hub port assignment
Revert "Use the extra stack for 16bit USB and PS2 keyboard/mouse commands."
pmm: Fix entry point to support non-zero %ss
Move stack hop code below call32/call16 code in stacks.c
Add need_hop_back() call that determines if stack_hop_back is needed
Update invoke_mouse_handler() to use need_hop_back()
Update stack_hop_back() to jump to 16bit mode if called in 32bit mode.
Track when entering via call32() and use the same mode for stack_hop_back()
Simplify farcall16 code
Update reset() to use call16_back()
build: Support declaring 32bit C functions that must reside in the f-segment
Move call16() functions from romlayout.S to inline assembler in stacks.c
Break up call32() into call32() and call32_sloppy()
Fully restore 16bit state during call16_sloppy()
Implement call32 mechanism using SMIs.
Move a20 code from system.c and ps2port.h to x86.h
Backup and restore a20 on call32_sloppy()
usb: Rename ?hci_control() to ?hci_send_control()
usb: Rename usb_getFrameExp() to usb_get_period()
usb: Rename findEndPointDesc() to usb_find_desc()
usb: Rename send_default_control() to usb_send_default_control()
usb: Rename free_pipe() to usb_free_pipe()
usb: Clarify usb freelist manipulations
xhci: Change xhci_update_pipe() to xhci_realloc_pipe() and use for alloc too
uhci: Export uhci_realloc_pipe() instead of uhci_alloc_pipe()
ohci: Export ohci_realloc_pipe() instead of ohci_alloc_pipe()
ehci: Export ehci_realloc_pipe() instead of ehci_alloc_pipe()
usb: Use usb_realloc_pipe for pipe alloc, update, and free.
Use 32bit memcpy in int1587 when applicable
Don't clobber %ax on ENTRY_INTO32 macro
Create assembler macros for saving and restoring 'struct bregs'
Do full BREGS backup/restore for pmm, pnp, and irqentry_extrastack
Remove unused macro ENTRY_ST
vgabios: Don't declare custom internal BDA storage in std/bda.h
vgabios: Cache a pointer to the current mode struct in the BDA
vgabios: Don't pass vmode_g to vgafb_move_chars() / vgafb_clear_chars()
vgabios: Rename vbe_flags to flags
vgabios: Set cursor shape fixes
vgabios: Refactor get/set_cursor_shape() code
vgabios: Only init BDA device details in init_bios_area()
vgabios: Only set the dcc_index=8 if stdvga ports are available
vgabios: Move standard table definitions to std/vga.h
vgabios: Fill in available legacy modes in video_func_static at runtime
vgabios: Add support for reading framebuffer in "direct" mode
Fix PNP regression introduced in 99cb8f3e due to missed conversion
Minor - move PORT_PS2_CTRLB from hw/ps2port.h to hw/timer.c
vgabios: Support emulating text mode attributes while in graphics mode
vgabios: Add software cursor capability
Use an aligned stack offset when entering on the extra stack
Minor - comment updates in romlayout.S
Fix build issue on gcc34
pciinit: Fix build warning in mch_pci_slot_get_irq()
floppy: Make sure to yield() during floppy PIO
Minor - be consistent in placement of .code16/32 in romlayout.S
Use macros for .code16/32 mode switches in inline asm in stacks.c
Eliminate FUNCFSEG - only force portions of inline asm to f-segment
usb: Update USB hub code to support super speed hubs
Simplify README files - point to online documentation instead
sdcard: Initial support for SD cards on PCI SDHCI controllers on QEMU
Add wiki documentation to repository
docs: Don't point to repo README files
docs: Add info on MODE16/MODESEGMENT compile time flags
docs: Add page describing SeaBIOS final object linking
scsi: Move cdb_* functions above scsi_* functions
scsi: Move process_scsi_op() to hw/blockcmd.c and rename
cdrom: call scsi_process_op() instead of cdb_read()
scsi: Don't export cdb_* functions
cdrom: Break up very large read requests into smaller requests
block: Check for read/write requests over 64K
usb: Add support for OHCI bulk transfers
readserial: Enhance pipe support
docs: Add documentation on using readserial.py script
uhci: Enable "depth" tree traversal for bulk transfers
uhci: Increase bulk transfer STACKTDS to 16
vgabios: Support emulated text in gfx_read_char()
ehci: No need to support td array wrapping
ehci: Simplify fillTDbuffer() and rename
ehci: Merge ehci_send_control with ehci_send_bulk
ohci: Merge ohci_send_control with ohci_send_bulk
uhci: Merge uhci_send_control with uhci_send_bulk
xhci: Merge xhci_send_control with xhci_send_bulk
usb: Use usb_send_pipe() now that all drivers have x_send_pipe()
xhci: Move xhci_xfer_x() functions together
xhci: Merge some xhci_xfer_x() functions into xhci_send_pipe()
usb: Control transfers always have an 8 byte command size
usb: Minor - properly free memory on get_device_config() error path
checkstack: Handle callw instruction
docs: Document why v1.6.3 release came after v0.6.2
docs: Update release history with dates of stable releases
docs: There is only one VAR16 flag now
docs: Note v1.8.0 release
Marcel Apfelbaum (1):
hw/pci: reserve IO and mem for pci express downstream ports with no devices attached
Markus Armbruster (1):
boot: Fix boot order for SCSI target, lun > 9
Paolo Bonzini (5):
piix: add and use dev-piix.h
smm: complete SMM setup
smm: unify SMM handlers
vgabios: fix graphics operation with Bochs VGA in non-DISPI modes
vgabios: implement read char in graphics mode
zhanghailiang (1):
acpi: use specified macro instead of magic-number
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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staging
Features for s390x/kvm
1. guest reIPL changes (Fan Zhang)
Implements subcode 5 and 6 of diag 0x308. This allows to use
/sys/firmware/[re]ipl/ccw/* and the chreipl and lsreipl tools in
Linux. In addition to the normal "change the disk" this also
allows to switch from booting an external kernel into rebooting
from a disk.
2. Memory page table walking (Thomas Huth)
Fix several page table walking functions, used in several places
like gdb server and instruction handling. Also use these functions
in several I/O related functions.
# gpg: Signature made Wed Feb 18 09:13:22 2015 GMT using RSA key ID B5A61C7C
# gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>"
* remotes/borntraeger/tags/s390x-20150218: (29 commits)
s390x/helper: Remove s390_cpu_physical_memory_map
s390x/pci: Rework memory access in zpci instruction
s390x/ioinst: Rework memory access in TPI instruction
s390x/ioinst: Rework memory access in CHSC instruction
s390x/ioinst: Rework memory access in STCRW instruction
s390x/ioinst: Rework memory access in TSCH instruction
s390x/ioinst: Set condition code in ioinst_handle_tsch() handler
s390x/ioinst: Rework memory access in STSCH instruction
s390x/ioinst: Rework memory access in SSCH instruction
s390x/ioinst: Rework memory access in MSCH instruction
s390x/css: Make schib parameter of css_do_msch const
s390x/mmu: Add function for accessing guest memory
s390x/kvm: Add function for injecting pgm access exceptions
s390x/mmu: Clean up mmu_translate_asc()
s390x/mmu: Check bit 52 in page table entry
s390x/mmu: Renaming related to the ASCE confusion
s390x/mmu: Add support for read-only regions
s390x/mmu: Fix the exception codes for illegal table entries
s390x/mmu: Fix exception types when checking the ASCEs
s390x/mmu: Fix translation exception code in lowcore
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The function is now not used anymore, so it can be removed safely.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change zpci instructions to use the new logical memory access
functions.
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the handler for TPI to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the CHSC handler to correctly use logical addresses, too.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the handler for STCRW to use the new logical memory access
functions. Since STCRW is suppressed on protection/access exceptions,
we also have to make sure to re-queue the CRW in case it could not be
written to the memory.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the TSCH handler to use the new logical memory access functions.
Since the channel should not be updated in case of a protection or access
exception while writing to the guest memory, the css_do_tsch() has to be
split up into two parts, one for retrieving the IRB and one for the update.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Move the setting of the condition code from kvm.c into the handler
function in ioinst.c itself, just like it has been done with the other
handlers already (TSCH has just not been changed yet since it is called
from a different dispatcher in kvm.c).
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the handler for STSCH to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the handler for SSCH to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Change the handler for MSCH to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The schib parameter of css_do_msch() can be declared as const to
make it clear that it does not get modified by this function.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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According to the POP specification, the parameter blocks of various
functions like the IO instructions are accessed with logical addresses.
Thus we need a function that can read or write a buffer from/to the
guest's logical address space.
This patch now provides a function that can be used to access virtual
guest memory by using the mmu_translate function of QEMU to convert
the virtual addresses to physical.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Program access exceptions are defined to deliver a translation exception
code in the low-core. Add a function trigger_access_exception() that
generates the proper program interrupt on both KVM and non-KVM systems
and switch the existing code to use it.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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We can get rid of the switch(asc) in mmu_translate_asc() by simply
selecting the right control register ASCE in the mmu_translate()
function already.
This patch is based on an original patch/idea by Ralf Hoppe.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Bit 52 in a page table entry has always to be zero, or a translation
specification exception is to be recognized.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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An Address Space Control Element (ASCE) is only the very first unit of
an s390 address translation (normally residing in one of the control
registers). The entries in the page tables are called differently.
So let's call the relevant variable pt_entry instead of asce in
mmu_translate_pte() to avoid future confusion (thus there is no
functional change in this patch, just renaming).
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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If the "DAT-protection" bit is set in the region table entry and EDAT is
enabled, only read accesses are allowed in the corresponding memory area.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Each different level of region/segment table has a dedicated
exception type for illegal entries.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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If an ASCE has illegal bits set, an ASCE-type exception should be
generated instead of a translation specification exception.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The address space bits in the translation exception code were wrong.
In fact, we can simply copy the bits from the PSW, so there's no need
for the trans_bits() function anymore.
Additionally, we now also set the fetch/store bits in the translation
exception code, so a guest can determine whether the exception occured
during a write or during a read.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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When a fault occurs during the MMU lookup in s390_cpu_get_phys_page_debug(),
the trigger_page_fault() function writes the translation exception code
into the lowcore - something you would not expect during a memory access
by the debugger. Ease this problem by adding an additional parameter to
mmu_translate() which can be used to specify whether a program check and
the translation exception code should be injected or not.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The ACSEs have a table length field and the region entries have
table length and offset fields which must be checked during
translation to see whether the given virtual address is really
covered by the translation table.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The current code used a wrong and very confusing way of dealing with
the table levels by introducing a "fake level above current". However,
the real problem was simply that the checks for the region/segment
invalid bit and for the matching region/segment level was done at the
wrong spot in the code - it has to be done after the first table entry
has been looked up instead (e.g. there is also no "invalid" bit in the
ASCE itself and the current "level" has to be the same as the level in
the entry that we just looked up).
Also the entries for the segment table are quite a bit different compared
to the region table entries. So this patch moves the related code into the
function mmu_translate_segment() to make it clear at which table level we
currently are and to get rid of the ugly switch-statement in the function
mmu_translate_region().
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The real-space designation bits live in the ASCEs, not in the table entries,
so the check must be done before we start walking the MMU table.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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helper.c is quite overcrowded already, so let's move the MMU
translation to a separate file instead (like it has been done
with the other targets already).
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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We have to migrate the reipl parameters, so a reboot on the migrated machine
will behave just like on the origin. Otherwise, the reipl parameters configured
by the guest would be lost.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Whenever a reboot initiated by the guest is done, the reipl parameters should
remain valid. The disk configured by the guest is to be used for
ipl'ing. External reboot/reset request (e.g. via virsh reset guest) should
completely reset the guest to the initial state, and therefore also reset the
reipl parameters, resulting in an ipl behaviour of the initially configured
guest. This could be an external kernel or a disk.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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To support dynamically updating the IPL device from inside the KVM
guest on the s390 platform, DIAG 308 instruction is intercepted
in QEMU to handle the request.
Subcode 5 allows to specify a new boot device, which is saved for
later in the s390_ipl device. This also allows to switch from an
external kernel to a boot device.
Subcode 6 retrieves boot device configuration that has been previously
set.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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We will need bios support in order to be able to support selecting a
different boot device via diagnose 308 in the ccw machine, so let's
make the bios mandatory for the ccw machine.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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into staging
Clean up around error_get_pretty(), qerror_report_err()
# gpg: Signature made Wed Feb 18 10:10:07 2015 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
* remotes/armbru/tags/pull-error-2015-02-18:
qemu-char: Avoid qerror_report_err() outside QMP command handlers
qemu-img: Avoid qerror_report_err() outside QMP command handlers
vl: Avoid qerror_report_err() outside QMP command handlers
tpm: Avoid qerror_report_err() outside QMP command handlers
numa: Avoid qerror_report_err() outside QMP command handlers
net: Avoid qerror_report_err() outside QMP command handlers
monitor: Avoid qerror_report_err() outside QMP command handlers
monitor: Clean up around monitor_handle_fd_param()
error: Use error_report_err() where appropriate
error: New convenience function error_report_err()
vhost-scsi: Improve error reporting for invalid vhostfd
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in legacy chardev parser
qemu_chr_parse_compat(). Legacy chardev syntax is not to be used in
QMP.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in initial startup helpers
machine_set_property() and object_create().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in initial startup helper
configure_tpm().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in initial startup helper
numa_init_func() and board setup helper
memory_region_allocate_system_memory().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in HMP command handler
hmp_host_net_add() and initial startup helpers net_init_client(),
net_init_netdev(). Keep it in QMP command handler qmp_netdev_add().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere. Replace by error_report_err() in HMP command handler
hmp_trace_event().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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monitor_handle_fd_param() is a wrapper around
monitor_handle_fd_param2() that feeds errors to qerror_report_err()
instead of returning them. qerror_report_err() is inappropriate in
many contexts. monitor_handle_fd_param() looks simpler than
monitor_handle_fd_param2(), which tempts use. Remove the temptation:
drop the wrapper and open-code the (trivial) error handling instead.
Replace the open-coded qerror_report_err() by error_report_err() in
places that already use error_report(). Turns out that's everywhere.
While there, rename monitor_handle_fd_param2() to monitor_fd_param().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Coccinelle semantic patch:
@@
expression E;
@@
- error_report("%s", error_get_pretty(E));
- error_free(E);
+ error_report_err(E);
@@
expression E, S;
@@
- error_report("%s", error_get_pretty(E));
+ error_report_err(E);
(
exit(S);
|
abort();
)
Trivial manual touch-ups in block/sheepdog.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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I've typed error_report("%s", error_get_pretty(ERR)) too many times
already, and I've fixed too many instances of qerror_report_err(ERR)
to error_report("%s", error_get_pretty(ERR)) as well. Capture the
pattern in a convenience function.
Since it's almost invariably followed by error_free(), stuff that into
the convenience function as well.
The next patch will put it to use.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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We get two error messages: one from monitor_handle_fd_param2(), and
another one from vhost_scsi_realize(). The second one gets suppressed
in QMP context.
That's because monitor_handle_fd_param() calls qerror_report_err().
Calling qerror_report_err() is always inappropriate in realize
methods, because it doesn't return the Error object. It either
reports the error to stderr or the human monitor, or it stores it in
the QMP monitor, where it makes the QMP command fail even when the
realize method ignores the error and succeeds. Fortunately,
vhost_scsi_realize() doesn't do that.
Fix by switching to monitor_handle_fd_param2().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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into staging
hmp: Normalize HMP command handler names
# gpg: Signature made Wed Feb 18 10:59:44 2015 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
* remotes/armbru/tags/pull-monitor-2015-02-18:
hmp: Name HMP info handler functions hmp_info_SUBCOMMAND()
hmp: Name HMP command handler functions hmp_COMMAND()
hmp: Clean up declarations for long-gone info handlers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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