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da995d538d
This is done by adding a zpci_hot_reset_device() call which does a low level reset of the PCI function without changing its higher level function state. This way it can be used while the zPCI function is bound to a driver and with DMA tables being controlled either through the IOMMU or DMA APIs which is prohibited when using zpci_disable_device() as that drop existing DMA translations. As this reset, unlike a normal FLR, also calls zpci_clear_irq() we need to implement arch_restore_msi_irqs() and make sure we re-enable IRQs for the PCI function if they were previously disabled. Reviewed-by: Pierre Morel <pmorel@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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.. | ||
acpi_pcihp.c | ||
acpiphp.h | ||
acpiphp_core.c | ||
acpiphp_glue.c | ||
acpiphp_ibm.c | ||
cpci_hotplug.h | ||
cpci_hotplug_core.c | ||
cpci_hotplug_pci.c | ||
cpcihp_generic.c | ||
cpcihp_zt5550.c | ||
cpcihp_zt5550.h | ||
cpqphp.h | ||
cpqphp_core.c | ||
cpqphp_ctrl.c | ||
cpqphp_nvram.c | ||
cpqphp_nvram.h | ||
cpqphp_pci.c | ||
cpqphp_sysfs.c | ||
ibmphp.h | ||
ibmphp_core.c | ||
ibmphp_ebda.c | ||
ibmphp_hpc.c | ||
ibmphp_pci.c | ||
ibmphp_res.c | ||
Kconfig | ||
Makefile | ||
pci_hotplug_core.c | ||
pciehp.h | ||
pciehp_core.c | ||
pciehp_ctrl.c | ||
pciehp_hpc.c | ||
pciehp_pci.c | ||
pnv_php.c | ||
rpadlpar.h | ||
rpadlpar_core.c | ||
rpadlpar_sysfs.c | ||
rpaphp.h | ||
rpaphp_core.c | ||
rpaphp_pci.c | ||
rpaphp_slot.c | ||
s390_pci_hpc.c | ||
shpchp.h | ||
shpchp_core.c | ||
shpchp_ctrl.c | ||
shpchp_hpc.c | ||
shpchp_pci.c | ||
shpchp_sysfs.c | ||
TODO |