leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity
4e00374704
linux/arch/powerpc/platforms/powernv
History
Alexey Kardashevskiy d6f934fd48 powerpc/powernv: Reserve a hole which appears after enabling IOV 
In order to make generic IOV code work, the physical function IOV BAR
should start from offset of the first VF. Since M64 segments share
PE number space across PHB, and some PEs may be in use at the time
when IOV is enabled, the existing code shifts the IOV BAR to the index
of the first PE/VF. This creates a hole in IOMEM space which can be
potentially taken by some other device.

This reserves a temporary hole on a parent and releases it when IOV is
disabled; the temporary resources are stored in pci_dn to avoid
kmalloc/free.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-11-06 16:48:12 +11:00
..
copy-paste.h powerpc/powernv/vas: Define copy/paste interfaces 2017-08-31 14:26:38 +10:00
eeh-powernv.c powerpc/powernv: Rework EEH initialization on powernv 2017-09-26 11:19:07 +10:00
idle.c powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline 2017-09-20 13:30:09 +10:00
Kconfig powerpc/powernv/vas: Define vas_init() and vas_exit() 2017-08-31 14:26:26 +10:00
Makefile powerpc/powernv/vas: Define vas_init() and vas_exit() 2017-08-31 14:26:26 +10:00
memtrace.c powerpc/powernv: Enable removal of memory for in memory tracing 2017-08-24 22:14:38 +10:00
npu-dma.c powerpc updates for 4.14 2017-09-07 10:15:40 -07:00
opal-async.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
opal-dump.c powerpc/powernv : Drop reference added by kset_find_obj() 2016-08-29 12:48:21 +10:00
opal-elog.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
opal-flash.c powerpc: Add const to bin_attribute structures 2017-08-17 21:56:26 +10:00
opal-hmi.c powerpc-opal: Fix a typo in a comment line of two file headers 2017-10-22 12:16:36 +02:00
opal-imc.c powerpc/powernv: Fix build error in opal-imc.c when NUMA=n 2017-08-28 22:09:57 +10:00
opal-irqchip.c powerpc/powernv: Make opal_event_shutdown() callable from IRQ context 2017-10-06 20:03:08 +11:00
opal-kmsg.c powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages 2016-01-13 12:35:17 +11:00
opal-lpc.c powerpc: Create asm/debugfs.h and move powerpc_debugfs_root there 2017-04-11 07:46:03 +10:00
opal-memory-errors.c powerpc-opal: Fix a typo in a comment line of two file headers 2017-10-22 12:16:36 +02:00
opal-msglog.c powerpc/powernv: Report size of OPAL memcons log 2017-01-25 13:33:55 +11:00
opal-nvram.c powerpc/powernv: Add pstore support on powernv 2015-03-23 14:06:10 +11:00
opal-power.c powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform 2015-07-16 13:34:36 +10:00
opal-powercap.c powerpc/powernv: Add support for powercap framework 2017-08-10 22:39:53 +10:00
opal-prd.c powerpc/powernv: use memdup_user 2017-07-24 21:48:42 +10:00
opal-psr.c powerpc/powernv: Add support to set power-shifting-ratio 2017-08-10 22:40:01 +10:00
opal-rtc.c powerpc/powernv: Only delay opal_rtc_read() retry when necessary 2015-12-27 19:12:40 +11:00
opal-sensor-groups.c powerpc/powernv: Add support to clear sensor groups data 2017-08-10 22:40:05 +10:00
opal-sensor.c powerpc/powernv: Handle OPAL_WRONG_STATE in opal_get_sensor_data() 2017-03-31 15:22:56 +11:00
opal-sysparam.c powerpc/opal: Add inline function to get rc from an ASYNC_COMP opal_msg 2016-06-29 17:33:18 +10:00
opal-tracepoints.c tracing: Have the reg function allow to fail 2016-12-09 09:13:30 -05:00
opal-wrappers.S powerpc/powernv: Use FIXUP_ENDIAN_HV in OPAL return 2017-11-06 16:48:09 +11:00
opal-xscom.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
opal.c powerpc/powernv: Use kernel crash path for machine checks 2017-08-31 14:26:04 +10:00
pci-cxl.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
pci-ioda.c powerpc/powernv: Reserve a hole which appears after enabling IOV 2017-11-06 16:48:12 +11:00
pci.c powerpc/powernv: Enable PCI peer-to-peer 2017-08-08 11:27:30 +10:00
pci.h powerpc/powernv: Rework EEH initialization on powernv 2017-09-26 11:19:07 +10:00
powernv.h powerpc/powernv: Flush console before platform error reboot 2017-08-31 14:26:03 +10:00
rng.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
setup.c powerpc/powernv: Enable TM without suspend if possible 2017-10-21 09:33:05 +11:00
smp.c powerpc/powernv: Implement NMI IPI with OPAL_SIGNAL_SYSTEM_RESET 2017-10-04 11:27:27 +11:00
subcore-asm.S
subcore.c powerpc updates for 4.13 2017-07-07 13:55:45 -07:00
subcore.h powernv/powerpc: Add winkle support for offline cpus 2014-12-15 10:46:41 +11:00
vas-window.c powerpc/powernv/vas: Define copy/paste interfaces 2017-08-31 14:26:38 +10:00
vas.c powerpc/powernv/vas: Define vas_init() and vas_exit() 2017-08-31 14:26:26 +10:00
vas.h powerpc/powernv/vas: Define copy/paste interfaces 2017-08-31 14:26:38 +10:00