haraldwolff/qemu-patch-raspberry4
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Pierre Morel c748814b20 s390x/pci: factor out endianess conversion 
There are two places where the same endianness conversion
is done.
Let's factor this out into a static function.

Note that the conversion must always be done for data in a register:

The S390 BE guest converted date to le before issuing the instruction.

After interception in a BE host:
ZPCI VFIO using pwrite must make the conversion back for the BE kernel.
Kernel will do BE to le translation when loading the register for the
real instruction.

After interception in a le host:
TCG stores a BE register in le, swapping bytes.
But since the data in the register was already le it is now BE
ZPCI VFIO must convert it to le before writing to the PCI memory.

In both cases ZPCI VFIO must swap the bytes from the register.

Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Reviewed-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Message-Id: <1512046530-17773-2-git-send-email-pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-12-14 17:56:54 +01:00
..
9pfs 9pfs: fix v9fs_mark_fids_unreclaim() return value 2017-11-06 18:05:35 +01:00
acpi * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha alpha: use generic cpu_model parsing 2017-10-27 16:03:53 +02:00
arm xlnx-zcu102: Add support for the ZynqMP QSPI 2017-12-13 17:59:22 +00:00
audio pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
block m25p80: Add support for n25q512a11 and n25q512a13 2017-12-13 17:59:21 +00:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char spapr: Implement bug in spapr-vty device to be compatible with PowerVM 2017-11-22 15:28:37 +11:00
core * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
cpu cpu: don't allow negative core id 2017-08-02 18:30:13 -03:00
cris cris: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
display hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS 2017-12-13 17:59:26 +00:00
dma sun4m_iommu: remove legacy sparc_iommu_memory_rw() function 2017-10-31 17:25:37 +00:00
gpio hw/gpio/omap_gpio.c: Don't use old_mmio 2017-09-21 16:34:27 +01:00
i2c pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
i386 pc: fix crash on attempted cpu unplug 2017-12-01 19:05:58 +02:00
ide ide: avoid referencing NULL dev in rotational rate setting 2017-10-31 18:00:03 -04:00
input ps2: fix scancodes sent for Ctrl+Pause key combination 2017-10-23 10:50:02 +02:00
intc nvic: Make systick banked 2017-12-13 17:59:26 +00:00
ipack pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
ipmi qom: enforce readonly nature of link's check callback 2017-07-14 12:04:42 +02:00
isa pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
lm32 lm32: lm32_boards: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
m68k m68k: mcf5208: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
mem qmp: introduce query-memory-size-summary command 2017-09-14 15:52:10 +01:00
microblaze hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mips mips: r4k: replace cpu_model with cpu_type 2017-10-27 16:04:28 +02:00
misc hw/arm/aspeed: Unlock SCU when running kernel 2017-11-20 13:47:49 +00:00
moxie moxie: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
net virtio-net: don't touch virtqueue if vm is stopped 2017-11-28 11:54:50 +08:00
nios2 nios2: replace cpu_nios2_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
nvram fw_cfg: add write callback 2017-10-15 05:54:40 +03:00
openrisc openrisc: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
pci pci: Initialize pci_dev->name before use 2017-11-16 17:46:53 +02:00
pci-bridge hw/pcie-pci-bridge: restrict to X86 and ARM 2017-11-16 17:46:53 +02:00
pci-host hw/pci-host: Fix x86 Host Bridges 64bit PCI hole 2017-11-16 17:46:53 +02:00
pcmcia hw: Clean up includes 2016-01-29 15:07:25 +00:00
ppc spapr: Include "pre-plugged" DIMMS in ram size calculation at reset 2017-12-04 11:31:22 +11:00
s390x s390x/pci: factor out endianess conversion 2017-12-14 17:56:54 +01:00
scsi vhost-scsi: add missing virtqueue_size parameter 2017-12-05 12:38:31 +00:00
sd pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
sh4 sh4: shix: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
smbios stubs: move smbios stubs to hw/smbios 2017-01-16 17:52:35 +01:00
sparc sparc32_dma: introduce new SPARC32_DMA type container object 2017-10-31 17:25:36 +00:00
sparc64 sparc: sun4u/sun4v/niagara: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
ssi xilinx_spips: Use memset instead of a for loop to zero registers 2017-12-13 17:59:26 +00:00
timer migration: pre_save return int 2017-09-27 11:35:59 +01:00
tpm tpm_tis: Return 0 for every register in case of failure mode 2017-11-15 06:47:35 -05:00
tricore tricore: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
unicore32 unicore32: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
usb hmp-commands: Remove the deprecated usb_add and usb_del 2017-12-14 10:16:52 +00:00
vfio vfio-pci: Remove unused fields from VFIOMSIXInfo 2017-12-13 10:19:34 -07:00
virtio virtio: check VirtQueue Vring object is set 2017-12-01 19:05:58 +02:00
watchdog pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
xen pci-assign: Remove 2017-11-05 14:52:10 +01:00
xenpv xenfb: remove xen_init_display "temporary" hack 2017-07-07 11:10:03 -07:00
xtensa xtensa: lx60/lx200/ml605/kc705: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
Makefile.objs 9pfs: fix dependencies 2017-08-30 18:23:25 +02:00