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qemu-patch-raspberry4/hw/ppc
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Greg Kurz b4b83312e7 spapr: Simplify selection of radix/hash during CAS 
The guest can select the MMU mode by setting bits 0-1 of byte 24
in OV5 to to 0b00 for hash or 0b01 for radix. As required by the
architecture, we terminate the boot process if any other value
is found there.

The usual way to negotiate features in OV5 is basically ANDing
the bitfield provided by the guest and the bitfield of features
supported by QEMU, previously populated at machine init.

For some not documented reason, MMU is treated differently : bit 1
of byte 24 (the radix/hash bit) is cleared from the guest OV5 and
explicitely set in the final negotiated OV5 if radix was requested.

Since the only expected input from the guest is the radix/hash bit
being set or not, it seems more appropriate to handle this like we
do for XIVE.

Set the radix bit in spapr->ov5 at machine init if it has a chance
to work (ie. power9, either TCG or a radix capable KVM) and rely
exclusively on spapr_ovec_intersect() to set the radix bit in
spapr->ov5_cas.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158514993621.478799.4204740354545734293.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-07 11:10:50 +10:00
..
e500-ccsr.h ppc: do not use ../ in include files 2013-03-01 13:57:33 +01:00
e500.c hw/ppc/e500.c: Handle qemu_find_file() failure 2020-04-07 08:55:10 +10:00
e500.h platform-bus-device: use device plug callback instead of machine_done notifier 2018-05-10 18:10:56 +01:00
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 ppc/pnv: Fix PCI_EXPRESS dependency 2020-02-21 09:15:03 +11:00
mac.h ide: Include hw/ide/internal a bit less outside hw/ide/ 2019-08-16 13:31:52 +02:00
mac_newworld.c Pull request 2020-03-19 11:14:24 +00:00
mac_oldworld.c Pull request 2020-03-19 11:14:24 +00:00
Makefile.objs spapr: Add NVDIMM device support 2020-02-21 09:15:04 +11:00
mpc8544_guts.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
mpc8544ds.c ppc/e500: use memdev for RAM 2020-02-19 16:50:00 +00:00
pnv.c ppc/pnv: Add support for NMI interface 2020-05-07 11:10:50 +10:00
pnv_bmc.c ppc/pnv: Create BMC devices only when defaults are enabled 2020-04-07 08:55:11 +10:00
pnv_core.c ppc/pnv: change the PowerNV machine devices to be non user creatable 2020-02-02 14:07:57 +11:00
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 hw/ppc/pnv: Fix typo in comment 2020-03-17 09:41:14 +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 ppc/pnv: improve error logging when a PNOR update fails 2020-02-02 14:07:57 +11:00
pnv_psi.c add device_legacy_reset function to prepare for reset api change 2020-01-30 16:02:03 +00:00
pnv_xscom.c ppc/pnv: Introduce PnvChipClass::xscom_pcba() method 2019-12-17 10:59:11 +11:00
ppc.c hw/ppc/prep: Remove the deprecated "prep" machine and the OpenHackware BIOS 2020-02-02 14:07:57 +11:00
ppc4xx_devs.c bamboo, sam460ex: Tidy up error message for unsupported RAM size 2020-04-29 08:01:52 +02:00
ppc4xx_pci.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc405.h ppc4xx: Export ECB and PLB emulation 2017-09-08 09:30:55 +10:00
ppc405_boards.c ppc/ppc405_boards: Remove unnecessary NULL check 2020-03-24 11:56:37 +11:00
ppc405_uc.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
ppc440.h ppc440_uc: Basic emulation of PPC440 DMA controller 2018-07-03 09:56:52 +10:00
ppc440_bamboo.c ppc/{ppc440_bamboo, sam460ex}: use memdev for RAM 2020-02-19 16:50:00 +00:00
ppc440_pcix.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc440_uc.c hw/ppc/ppc440_uc.c: Remove incorrect iothread locking from dcr_write_pcie() 2020-04-07 08:55:11 +10:00
ppc_booke.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
ppce500_spin.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
prep.c hw/ide: Remove unneeded inclusion of hw/ide.h 2020-03-17 12:22:36 -04:00
prep_systemio.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
rs6000_mc.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
sam460ex.c smbus: Fix spd_data_generate() error API violation 2020-04-29 08:01:52 +02:00
spapr.c spapr: Simplify selection of radix/hash during CAS 2020-05-07 11:10:50 +10:00
spapr_caps.c ppc/spapr: KVM FWNMI should not be enabled until guest requests it 2020-04-07 08:55:10 +10:00
spapr_cpu_core.c ppc/spapr: Move GPRs setup to one place 2020-03-17 15:08:50 +11:00
spapr_drc.c qom/object: enable setter for uint types 2020-03-16 23:02:23 +01:00
spapr_events.c ppc/spapr: Don't kill the guest if a recovered FWNMI machine check delivery fails 2020-04-07 08:55:10 +10:00
spapr_hcall.c spapr: Simplify selection of radix/hash during CAS 2020-05-07 11:10:50 +10:00
spapr_iommu.c vmstate: replace DeviceState with VMStateIf 2020-01-06 18:41:32 +04:00
spapr_irq.c spapr, pnv, xive: Add a "xive-fabric" link to the XIVE router 2020-01-08 11:01:59 +11:00
spapr_nvdimm.c spapr: Fix Coverity warning while validating nvdimm options 2020-03-17 09:41:14 +11:00
spapr_ovec.c spapr: Rename DT functions to newer naming convention 2020-03-17 17:00:19 +11:00
spapr_pci.c spapr: Fix failure path for attempting to hot unplug PCI bridges 2020-04-07 08:55:11 +10:00
spapr_pci_nvlink2.c error: Clean up unusual names of Error * variables 2019-12-18 08:36:15 +01:00
spapr_pci_vfio.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
spapr_rng.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
spapr_rtas.c ppc/spapr: Add FWNMI machine check delivery warnings 2020-04-07 08:55:10 +10:00
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_rtc.c Include migration/vmstate.h less 2019-08-16 13:31:52 +02:00
spapr_tpm_proxy.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
spapr_vio.c spapr: Implement get_dt_compatible() callback 2020-02-02 14:07:57 +11:00
trace-events spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() 2019-10-04 19:08:22 +10:00
virtex_ml507.c Merge tag 'patchew/20200219160953.13771-1-imammedo@redhat.com' of https://github.com/patchew-project/qemu into HEAD 2020-02-25 09:19:00 +01:00