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eb7f80fd26
qemu/hw/ppc
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Daniel Henrique Barboza eb7f80fd26 spapr.c: send QAPI event when memory hotunplug fails 
Recent changes allowed the pSeries machine to rollback the hotunplug
process for the DIMM when the guest kernel signals, via a
reconfiguration of the DR connector, that it's not going to release the
LMBs.

Let's also warn QAPI listerners about it. One place to do it would be
right after the unplug state is cleaned up,
spapr_clear_pending_dimm_unplug_state(). This would mean that the
function is now doing more than cleaning up the pending dimm state
though.

This patch does the following changes in spapr.c:

- send a QAPI event to inform that we experienced a failure in the
  hotunplug of the DIMM;

- rename spapr_clear_pending_dimm_unplug_state() to
  spapr_memory_unplug_rollback(). This is a better fit for what the
  function is now doing, and it makes callers care more about what the
  function goal is and less about spapr.c internals such as clearing
  the pending dimm unplug state.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210302141019.153729-3-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
..
e500-ccsr.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
e500.c hw/ppc: e500: Add missing <ranges> in the eTSEC node 2021-03-10 09:07:09 +11:00
e500.h Use OBJECT_DECLARE_TYPE when possible 2020-09-18 14:12:32 -04:00
e500plat.c ppc/e500: use memdev for RAM 2020-02-19 16:50:00 +00:00
fdt.c target/ppc: Split page size information into a separate allocation 2018-04-27 18:05:22 +10:00
fw_cfg.c hw/ppc: Implement fw_cfg_arch_key_name() 2019-05-23 14:10:31 +02:00
Kconfig Revert "ppc4xx: Move common dependency on serial to common option" 2021-01-19 10:20:29 +11:00
mac_newworld.c macio: move OpenPIC inside macio-newworld device 2021-01-13 12:21:10 +00:00
mac_oldworld.c macio: move heathrow PIC inside macio-oldworld device 2021-01-13 12:20:37 +00:00
mac.h mac_newworld: Allow loading binary ROM image 2020-10-19 08:11:21 +01:00
meson.build spapr: Add PEF based confidential guest support 2021-02-08 16:57:38 +11:00
mpc8544_guts.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
mpc8544ds.c ppc/e500: use memdev for RAM 2020-02-19 16:50:00 +00:00
pef.c spapr: PEF: prevent migration 2021-02-08 16:57:38 +11:00
pnv_bmc.c ppc/pnv: Discard internal BMC initialization when BMC is external 2021-02-10 10:43:50 +11:00
pnv_core.c non-virt: Fix Lesser GPL version number 2020-11-15 16:38:24 +01:00
pnv_homer.c ppc/pnv: change the PowerNV machine devices to be non user creatable 2020-02-02 14:07:57 +11:00
pnv_lpc.c ppc/pnv: Introduce a LPC FW memory region attribute to map the PNOR 2021-02-10 10:43:50 +11:00
pnv_occ.c ppc/pnv: change the PowerNV machine devices to be non user creatable 2020-02-02 14:07:57 +11:00
pnv_pnor.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
pnv_psi.c non-virt: Fix Lesser GPL version number 2020-11-15 16:38:24 +01:00
pnv_xscom.c non-virt: Fix Lesser GPL version number 2020-11-15 16:38:24 +01:00
pnv.c ppc/pnv: Set default RAM size to 1 GB 2021-02-10 14:50:11 +11:00
ppc4xx_devs.c hw/ppc: Remove unused ppcuic_init() 2021-01-19 10:20:29 +11:00
ppc4xx_pci.c hw: Use the PCI_SLOT() macro from 'hw/pci/pci.h' 2021-01-04 23:24:44 +01:00
ppc405_boards.c hw/ppc/ppc405_uc: Drop use of ppcuic_init() 2021-01-19 10:20:29 +11:00
ppc405_uc.c hw/ppc/ppc405_uc: Drop use of ppcuic_init() 2021-01-19 10:20:29 +11:00
ppc405.h hw/ppc/ppc405_uc: Drop use of ppcuic_init() 2021-01-19 10:20:29 +11:00
ppc440_bamboo.c hw/ppc/ppc440_bamboo: Drop use of ppcuic_init() 2021-01-06 11:09:59 +11:00
ppc440_pcix.c ppc440_pcix: Fix up pci config access 2021-01-06 11:09:59 +11:00
ppc440_uc.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
ppc440.h ppc440_uc: Basic emulation of PPC440 DMA controller 2018-07-03 09:56:52 +10:00
ppc_booke.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
ppc.c hw/ppc: Do not re-read the clock on pre_save if doing savevm 2020-12-14 15:54:12 +11:00
ppce500_spin.c powerpc tcg: Fix Lesser GPL version number 2020-11-15 16:38:50 +01:00
prep_systemio.c prep: add ppc-parity write method 2021-02-08 15:15:32 +01:00
prep.c ppc: do not use ram_size global 2020-12-10 12:15:09 -05:00
rs6000_mc.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
sam460ex.c sam460ex: Use type cast macro instead of simple cast 2021-01-19 10:20:29 +11:00
spapr_caps.c spapr: Add a return value to spapr_check_pagesize() 2020-10-09 10:15:06 +11:00
spapr_cpu_core.c spapr_cpu_core.c: use g_auto* in spapr_create_vcpu() 2021-01-19 10:20:29 +11:00
spapr_drc.c spapr.c: send QAPI event when memory hotunplug fails 2021-03-10 09:07:09 +11:00
spapr_events.c spapr: Improve handling of memory unplug with old guests 2021-01-19 10:20:29 +11:00
spapr_hcall.c spapr_hcall.c: make do_client_architecture_support static 2021-01-19 10:20:29 +11:00
spapr_iommu.c memory: Add IOMMUTLBEvent 2020-12-08 13:48:57 -05:00
spapr_irq.c spapr/xics: Drop unused argument to xics_kvm_has_broken_disconnect() 2020-12-14 15:50:55 +11:00
spapr_numa.c spapr_numa.c: fix ibm,max-associativity-domains calculation 2021-02-10 10:43:50 +11:00
spapr_nvdimm.c ppc/spapr: cleanup -machine pseries,nvdimm=X handling 2020-12-15 12:51:53 -05:00
spapr_ovec.c spapr: Improve handling of memory unplug with old guests 2021-01-19 10:20:29 +11:00
spapr_pci_nvlink2.c spapr_numa: move NVLink2 associativity handling to spapr_numa.c 2020-09-08 10:08:43 +10:00
spapr_pci_vfio.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
spapr_pci.c spapr_pci.c: add 'unplug already in progress' message for PCI unplug 2021-03-10 09:07:09 +11:00
spapr_rng.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
spapr_rtas_ddw.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spapr_rtas.c spapr_rtas.c: fix identation of rtas_ibm_suspend_me() args 2021-01-19 10:20:29 +11:00
spapr_rtc.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
spapr_tpm_proxy.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
spapr_vio.c ppc: do not use ram_size global 2020-12-10 12:15:09 -05:00
spapr.c spapr.c: send QAPI event when memory hotunplug fails 2021-03-10 09:07:09 +11:00
trace-events spapr: rename spapr_drc_detach() to spapr_drc_unplug_request() 2021-03-10 09:07:08 +11:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
virtex_ml507.c hw/ppc/virtex_ml507: Drop use of ppcuic_init() 2021-01-06 11:09:59 +11:00