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OpenCloudOS-Kernel/drivers/pci/hotplug
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Niklas Schnelle da995d538d s390/pci: implement reset_slot for hotplug slot 
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>
 		2021-11-08 14:17:49 +01:00
..
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile PCI/hotplug: remove the sgi_hotplug driver 2019-08-16 11:33:56 -07:00
TODO PCI: ibmphp: Fix double unmap of io_mem 2021-09-02 12:02:50 -05:00
acpi_pcihp.c PCI: Fix kernel-doc errors 2021-03-11 17:37:20 -06:00
acpiphp.h PCI: acpiphp: Fix whitespace issue 2021-04-16 14:32:18 -05:00
acpiphp_core.c Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax 2018-10-28 11:35:40 -07:00
acpiphp_glue.c PCI: Correct misspelled and remove duplicated words 2021-10-08 17:14:04 -05:00
acpiphp_ibm.c PCI: hotplug: Embed hotplug_slot 2018-09-18 17:52:15 -05:00
cpci_hotplug.h PCI: cpcihp: Declare cpci_debug in header file 2021-07-01 15:32:45 -05:00
cpci_hotplug_core.c PCI: Remove unnecessary returns 2019-08-30 14:00:34 -05:00
cpci_hotplug_pci.c PCI: cpcihp: Declare cpci_debug in header file 2021-07-01 15:32:45 -05:00
cpcihp_generic.c PCI: Add SPDX GPL-2.0+ to replace GPL v2 or later boilerplate 2018-01-28 15:49:06 -06:00
cpcihp_zt5550.c PCI: Add SPDX GPL-2.0+ to replace GPL v2 or later boilerplate 2018-01-28 15:49:06 -06:00
cpcihp_zt5550.h PCI: Add SPDX GPL-2.0+ to replace GPL v2 or later boilerplate 2018-01-28 15:49:06 -06:00
cpqphp.h PCI: cpqphp: Use <linux/io.h> instead of <asm/io.h> 2021-11-02 14:41:58 -05:00
cpqphp_core.c PCI: Fix kernel-doc formatting 2021-07-06 10:37:46 -05:00
cpqphp_ctrl.c PCI: Correct misspelled and remove duplicated words 2021-10-08 17:14:04 -05:00
cpqphp_nvram.c PCI: cpqphp: Use DEFINE_SPINLOCK() for int15_lock 2021-04-14 15:24:10 -05:00
cpqphp_nvram.h PCI: Remove unnecessary returns 2019-08-30 14:00:34 -05:00
cpqphp_pci.c PCI: cpqphp: Format if-statement code block correctly 2021-10-12 20:48:44 -05:00
cpqphp_sysfs.c PCI: Add SPDX GPL-2.0+ to replace GPL v2 or later boilerplate 2018-01-28 15:49:06 -06:00
ibmphp.h PCI: Correct misspelled and remove duplicated words 2021-10-08 17:14:04 -05:00
ibmphp_core.c PCI: ibmphp: Turn semaphores into completions or mutexes 2019-01-29 17:15:36 -06:00
ibmphp_ebda.c PCI: ibmphp: Fix double unmap of io_mem 2021-09-02 12:02:50 -05:00
ibmphp_hpc.c PCI: ibmphp: Turn semaphores into completions or mutexes 2019-01-29 17:15:36 -06:00
ibmphp_pci.c PCI: ibmphp: Remove unneeded break 2020-11-20 11:17:55 -06:00
ibmphp_res.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pci_hotplug_core.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
pciehp.h PCI: pciehp: Ignore Link Down/Up caused by error-induced Hot Reset 2021-10-15 14:23:46 -05:00
pciehp_core.c PCI: pciehp: Ignore Link Down/Up caused by error-induced Hot Reset 2021-10-15 14:23:46 -05:00
pciehp_ctrl.c pci-v5.10-changes 2020-10-22 12:41:00 -07:00
pciehp_hpc.c PCI: pciehp: Ignore Link Down/Up caused by error-induced Hot Reset 2021-10-15 14:23:46 -05:00
pciehp_pci.c PCI: pciehp: Log messages with pci_dev, not pcie_device 2019-05-09 16:45:20 -05:00
pnv_php.c PCI: Change the type of probe argument in reset functions 2021-08-18 17:32:42 -05:00
rpadlpar.h PCI: Add SPDX GPL-2.0+ to replace GPL v2 or later boilerplate 2018-01-28 15:49:06 -06:00
rpadlpar_core.c PCI: rpadlpar: Use for_each_child_of_node() and for_each_node_by_name() 2020-09-17 16:22:36 -05:00
rpadlpar_sysfs.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
rpaphp.h PCI: hotplug: Embed hotplug_slot 2018-09-18 17:52:15 -05:00
rpaphp_core.c PCI: Use of_node_name_eq() for node name comparisons 2020-04-24 18:02:17 -05:00
rpaphp_pci.c powerpc/eeh: Make early EEH init pseries specific 2020-03-25 12:09:39 +11:00
rpaphp_slot.c PCI: rpaphp: Get/put device node reference during slot alloc/dealloc 2019-04-10 16:07:12 -05:00
s390_pci_hpc.c s390/pci: implement reset_slot for hotplug slot 2021-11-08 14:17:49 +01:00
shpchp.h PCI: shpchp: Make shpchp_unconfigure_device() void 2020-05-21 15:23:20 -05:00
shpchp_core.c PCI: hotplug: Embed hotplug_slot 2018-09-18 17:52:15 -05:00
shpchp_ctrl.c pci-v5.10-changes 2020-10-22 12:41:00 -07:00
shpchp_hpc.c PCI: Correct misspelled and remove duplicated words 2021-10-08 17:14:04 -05:00
shpchp_pci.c PCI: shpchp: Make shpchp_unconfigure_device() void 2020-05-21 15:23:20 -05:00
shpchp_sysfs.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00