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be85537d65
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David Gibson be85537d65 spapr: Validate capabilities on migration 
Now that the "pseries" machine type implements optional capabilities (well,
one so far) there's the possibility of having different capabilities
available at either end of a migration.  Although arguably a user error,
it would be nice to catch this situation and fail as gracefully as we can.

This adds code to migrate the capabilities flags.  These aren't pulled
directly into the destination's configuration since what the user has
specified on the destination command line should take precedence.  However,
they are checked against the destination capabilities.

If the source was using a capability which is absent on the destination,
we fail the migration, since that could easily cause a guest crash or other
bad behaviour.  If the source lacked a capability which is present on the
destination we warn, but allow the migration to proceed.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
2018-01-17 09:35:24 +11:00
..
e500-ccsr.h ppc: do not use ../ in include files 2013-03-01 13:57:33 +01:00
e500.c e500: name openpic and pci host bridge 2017-12-15 09:49:23 +11:00
e500.h target-ppc: Eliminate redundant and incorrect function booke206_page_size_to_tlb 2016-07-01 09:57:01 +10:00
e500plat.c ppc: mpc8544ds/e500plat: use generic cpu_model parsing 2017-10-17 10:34:00 +11:00
fdt.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
mac_newworld.c ppc: mac_newworld: use generic cpu_model parsing 2017-10-17 10:34:00 +11:00
mac_oldworld.c ppc: mac_oldworld: use generic cpu_model parsing 2017-10-17 10:34:00 +11:00
mac.h macio: use object link between MACIO_IDE and MAC_DBDMA object 2017-09-27 13:05:41 +10:00
Makefile.objs spapr: Capabilities infrastructure 2018-01-17 09:35:24 +11:00
mpc8544_guts.c shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
mpc8544ds.c ppc: mpc8544ds/e500plat: use generic cpu_model parsing 2017-10-17 10:34:00 +11:00
pnv_bmc.c ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency 2018-01-10 12:53:00 +11:00
pnv_core.c ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency 2018-01-10 12:53:00 +11:00
pnv_lpc.c target/ppc: more use of the PPC_*() macros 2018-01-10 12:53:00 +11:00
pnv_occ.c ppc/pnv: Add OCC model stub with interrupt support 2017-04-26 12:00:42 +10:00
pnv_psi.c ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency 2018-01-10 12:53:00 +11:00
pnv_xscom.c ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency 2018-01-10 12:53:00 +11:00
pnv.c ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency 2018-01-10 12:53:00 +11:00
ppc4xx_devs.c ppc: replace cpu_model with cpu_type on ref405ep,taihu boards 2017-10-17 10:34:00 +11:00
ppc4xx_pci.c pci: Rename root bus initialization functions for clarity 2017-12-05 19:13:45 +02:00
ppc405_boards.c hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
ppc405_uc.c ppc: replace cpu_model with cpu_type on ref405ep,taihu boards 2017-10-17 10:34:00 +11:00
ppc405.h ppc4xx: Export ECB and PLB emulation 2017-09-08 09:30:55 +10:00
ppc440_bamboo.c ppc: bamboo: use generic cpu_model parsing 2017-10-17 10:34:00 +11:00
ppc_booke.c ppc_booke: drop useless assignment 2017-05-07 09:57:51 +03:00
ppc.c ppc: spapr: replace ppc_cpu_parse_features() with cpu_parse_cpu_model() 2017-10-17 10:34:00 +11:00
ppce500_spin.c hw/ppc: QOM'ify ppce500_spin.c 2017-01-31 10:10:13 +11:00
prep_systemio.c prep: add PReP System I/O 2017-01-31 10:10:13 +11:00
prep.c hw/net/ne2000: extract ne2k-isa code from i386/pc to ne2000-isa.c 2017-12-18 17:07:02 +03:00
rs6000_mc.c prep: add IBM RS/6000 7020 (40p) memory controller 2017-01-31 10:10:13 +11:00
spapr_caps.c spapr: Validate capabilities on migration 2018-01-17 09:35:24 +11:00
spapr_cpu_core.c hw: use "qemu/osdep.h" as first #include in source files 2017-12-18 17:07:02 +03:00
spapr_drc.c spapr: reset DRCs after devices 2017-11-20 10:10:56 +11:00
spapr_events.c spapr_events: drop bogus cell from "interrupt-ranges" property 2017-12-15 09:49:24 +11:00
spapr_hcall.c ppc: remove duplicated includes 2017-12-18 17:07:02 +03:00
spapr_iommu.c migration: pre_save return int 2017-09-27 11:35:59 +01:00
spapr_ovec.c spapr: replace debug printf with trace points 2017-02-22 11:28:28 +11:00
spapr_pci_vfio.c hw/ppc: Remove the deprecated spapr-pci-vfio-host-bridge device 2018-01-10 12:53:00 +11:00
spapr_pci.c Merge remote-tracking branch 'origin/master' into HEAD 2018-01-11 22:03:50 +02:00
spapr_rng.c spapr_rng: Convert to DEFINE_PROP_LINK 2017-07-14 12:04:43 +02:00
spapr_rtas_ddw.c spapr_pci/spapr_pci_vfio: Support Dynamic DMA Windows (DDW) 2016-07-05 14:31:08 +10:00
spapr_rtas.c spapr: Correct compatibility mode setting for hotplugged CPUs 2018-01-10 12:53:00 +11:00
spapr_rtc.c hw/ppc/spapr_rtc: Mark the RTC device with user_creatable = false 2017-08-22 21:26:46 +10:00
spapr_vio.c spapr: fix LSI interrupt specifiers in the device tree 2017-12-15 09:49:24 +11:00
spapr.c spapr: Validate capabilities on migration 2018-01-17 09:35:24 +11:00
trace-events spapr: move the IRQ allocation routines under the machine 2017-12-15 09:49:24 +11:00
virtex_ml507.c ppc: virtex-ml507: replace cpu_model with cpu_type 2017-10-17 10:34:00 +11:00