diff options
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh.c (renamed from arch/powerpc/platforms/pseries/eeh.c) | 0 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_cache.c (renamed from arch/powerpc/platforms/pseries/eeh_cache.c) | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_dev.c (renamed from arch/powerpc/platforms/pseries/eeh_dev.c) | 0 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_driver.c (renamed from arch/powerpc/platforms/pseries/eeh_driver.c) | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_event.c (renamed from arch/powerpc/platforms/pseries/eeh_event.c) | 0 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_pe.c (renamed from arch/powerpc/platforms/pseries/eeh_pe.c) | 0 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_sysfs.c (renamed from arch/powerpc/platforms/pseries/eeh_sysfs.c) | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-hotplug.c | 111 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/Kconfig | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/pci_dlpar.c | 85 |
13 files changed, 120 insertions, 97 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index f960a7944553..a8619bfe879e 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -58,6 +58,8 @@ obj-$(CONFIG_RTAS_PROC) += rtas-proc.o obj-$(CONFIG_LPARCFG) += lparcfg.o obj-$(CONFIG_IBMVIO) += vio.o obj-$(CONFIG_IBMEBUS) += ibmebus.o +obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \ + eeh_driver.o eeh_event.o eeh_sysfs.o obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_FA_DUMP) += fadump.o @@ -100,7 +102,7 @@ obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o -pci64-$(CONFIG_PPC64) += pci_dn.o isa-bridge.o +pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o obj-$(CONFIG_PCI) += pci_$(CONFIG_WORD_SIZE).o $(pci64-y) \ pci-common.o pci_of_scan.o obj-$(CONFIG_PCI_MSI) += msi.o diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/kernel/eeh.c index 8a8345193083..8a8345193083 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/kernel/eeh.c diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/kernel/eeh_cache.c index 5a4c87903057..1d5d9a6ba740 100644 --- a/arch/powerpc/platforms/pseries/eeh_cache.c +++ b/arch/powerpc/kernel/eeh_cache.c @@ -316,4 +316,3 @@ void __init eeh_addr_cache_build(void) eeh_addr_cache_print(&pci_io_addr_cache_root); #endif } - diff --git a/arch/powerpc/platforms/pseries/eeh_dev.c b/arch/powerpc/kernel/eeh_dev.c index 1efa28f5fc54..1efa28f5fc54 100644 --- a/arch/powerpc/platforms/pseries/eeh_dev.c +++ b/arch/powerpc/kernel/eeh_dev.c diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 0acc5a2bdfc7..fb927af9a9ef 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -549,4 +549,3 @@ perm_error: if (frozen_bus) pcibios_remove_pci_devices(frozen_bus); } - diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/kernel/eeh_event.c index 185bedd926df..185bedd926df 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/kernel/eeh_event.c diff --git a/arch/powerpc/platforms/pseries/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index 9d4a9e8562b2..9d4a9e8562b2 100644 --- a/arch/powerpc/platforms/pseries/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c diff --git a/arch/powerpc/platforms/pseries/eeh_sysfs.c b/arch/powerpc/kernel/eeh_sysfs.c index d37708360f2e..e7ae3484918c 100644 --- a/arch/powerpc/platforms/pseries/eeh_sysfs.c +++ b/arch/powerpc/kernel/eeh_sysfs.c @@ -72,4 +72,3 @@ void eeh_sysfs_remove_device(struct pci_dev *pdev) device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr); device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); } - diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c new file mode 100644 index 000000000000..3f608800c06b --- /dev/null +++ b/arch/powerpc/kernel/pci-hotplug.c @@ -0,0 +1,111 @@ +/* + * Derived from "arch/powerpc/platforms/pseries/pci_dlpar.c" + * + * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com> + * Copyright (C) 2005 International Business Machines + * + * Updates, 2005, John Rose <johnrose@austin.ibm.com> + * Updates, 2005, Linas Vepstas <linas@austin.ibm.com> + * Updates, 2013, Gavin Shan <shangw@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/pci.h> +#include <linux/export.h> +#include <asm/pci-bridge.h> +#include <asm/ppc-pci.h> +#include <asm/firmware.h> +#include <asm/eeh.h> + +/** + * __pcibios_remove_pci_devices - remove all devices under this bus + * @bus: the indicated PCI bus + * @purge_pe: destroy the PE on removal of PCI devices + * + * Remove all of the PCI devices under this bus both from the + * linux pci device tree, and from the powerpc EEH address cache. + * By default, the corresponding PE will be destroied during the + * normal PCI hotplug path. For PCI hotplug during EEH recovery, + * the corresponding PE won't be destroied and deallocated. + */ +void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe) +{ + struct pci_dev *dev, *tmp; + struct pci_bus *child_bus; + + /* First go down child busses */ + list_for_each_entry(child_bus, &bus->children, node) + __pcibios_remove_pci_devices(child_bus, purge_pe); + + pr_debug("PCI: Removing devices on bus %04x:%02x\n", + pci_domain_nr(bus), bus->number); + list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) { + pr_debug(" * Removing %s...\n", pci_name(dev)); + eeh_remove_bus_device(dev, purge_pe); + pci_stop_and_remove_bus_device(dev); + } +} + +/** + * pcibios_remove_pci_devices - remove all devices under this bus + * @bus: the indicated PCI bus + * + * Remove all of the PCI devices under this bus both from the + * linux pci device tree, and from the powerpc EEH address cache. + */ +void pcibios_remove_pci_devices(struct pci_bus *bus) +{ + __pcibios_remove_pci_devices(bus, 1); +} +EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices); + +/** + * pcibios_add_pci_devices - adds new pci devices to bus + * @bus: the indicated PCI bus + * + * This routine will find and fixup new pci devices under + * the indicated bus. This routine presumes that there + * might already be some devices under this bridge, so + * it carefully tries to add only new devices. (And that + * is how this routine differs from other, similar pcibios + * routines.) + */ +void pcibios_add_pci_devices(struct pci_bus * bus) +{ + int slotno, num, mode, pass, max; + struct pci_dev *dev; + struct device_node *dn = pci_bus_to_OF_node(bus); + + eeh_add_device_tree_early(dn); + + mode = PCI_PROBE_NORMAL; + if (ppc_md.pci_probe_mode) + mode = ppc_md.pci_probe_mode(bus); + + if (mode == PCI_PROBE_DEVTREE) { + /* use ofdt-based probe */ + of_rescan_bus(dn, bus); + } else if (mode == PCI_PROBE_NORMAL) { + /* use legacy probe */ + slotno = PCI_SLOT(PCI_DN(dn->child)->devfn); + num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0)); + if (!num) + return; + pcibios_setup_bus_devices(bus); + max = bus->busn_res.start; + for (pass = 0; pass < 2; pass++) { + list_for_each_entry(dev, &bus->devices, bus_list) { + if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || + dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) + max = pci_scan_bridge(bus, dev, + max, pass); + } + } + } + pcibios_finish_adding_to_bus(bus); +} +EXPORT_SYMBOL_GPL(pcibios_add_pci_devices); diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index b62aab3e22ec..bed8c607588c 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -164,6 +164,11 @@ config IBMEBUS help Bus device driver for GX bus based adapters. +config EEH + bool + depends on (PPC_POWERNV || PPC_PSERIES) && PCI + default y + config PPC_MPC106 bool default n diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 4459eff7a75a..1bd3399146ed 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -33,11 +33,6 @@ config PPC_SPLPAR processors, that is, which share physical processors between two or more partitions. -config EEH - bool - depends on PPC_PSERIES && PCI - default y - config PSERIES_MSI bool depends on PCI_MSI && EEH diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 53866e537a92..8ae010381316 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -6,9 +6,7 @@ obj-y := lpar.o hvCall.o nvram.o reconfig.o \ firmware.o power.o dlpar.o mobility.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SCANLOG) += scanlog.o -obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \ - eeh_driver.o eeh_event.o eeh_sysfs.o \ - eeh_pseries.o +obj-$(CONFIG_EEH) += eeh_pseries.o obj-$(CONFIG_KEXEC) += kexec.o obj-$(CONFIG_PCI) += pci.o pci_dlpar.o obj-$(CONFIG_PSERIES_MSI) += msi.o diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index c91b22be9288..efe61374f6ea 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -64,91 +64,6 @@ pcibios_find_pci_bus(struct device_node *dn) } EXPORT_SYMBOL_GPL(pcibios_find_pci_bus); -/** - * __pcibios_remove_pci_devices - remove all devices under this bus - * @bus: the indicated PCI bus - * @purge_pe: destroy the PE on removal of PCI devices - * - * Remove all of the PCI devices under this bus both from the - * linux pci device tree, and from the powerpc EEH address cache. - * By default, the corresponding PE will be destroied during the - * normal PCI hotplug path. For PCI hotplug during EEH recovery, - * the corresponding PE won't be destroied and deallocated. - */ -void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe) -{ - struct pci_dev *dev, *tmp; - struct pci_bus *child_bus; - - /* First go down child busses */ - list_for_each_entry(child_bus, &bus->children, node) - __pcibios_remove_pci_devices(child_bus, purge_pe); - - pr_debug("PCI: Removing devices on bus %04x:%02x\n", - pci_domain_nr(bus), bus->number); - list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) { - pr_debug(" * Removing %s...\n", pci_name(dev)); - eeh_remove_bus_device(dev, purge_pe); - pci_stop_and_remove_bus_device(dev); - } -} - -/** - * pcibios_remove_pci_devices - remove all devices under this bus - * - * Remove all of the PCI devices under this bus both from the - * linux pci device tree, and from the powerpc EEH address cache. - */ -void pcibios_remove_pci_devices(struct pci_bus *bus) -{ - __pcibios_remove_pci_devices(bus, 1); -} -EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices); - -/** - * pcibios_add_pci_devices - adds new pci devices to bus - * - * This routine will find and fixup new pci devices under - * the indicated bus. This routine presumes that there - * might already be some devices under this bridge, so - * it carefully tries to add only new devices. (And that - * is how this routine differs from other, similar pcibios - * routines.) - */ -void pcibios_add_pci_devices(struct pci_bus * bus) -{ - int slotno, num, mode, pass, max; - struct pci_dev *dev; - struct device_node *dn = pci_bus_to_OF_node(bus); - - eeh_add_device_tree_early(dn); - - mode = PCI_PROBE_NORMAL; - if (ppc_md.pci_probe_mode) - mode = ppc_md.pci_probe_mode(bus); - - if (mode == PCI_PROBE_DEVTREE) { - /* use ofdt-based probe */ - of_rescan_bus(dn, bus); - } else if (mode == PCI_PROBE_NORMAL) { - /* use legacy probe */ - slotno = PCI_SLOT(PCI_DN(dn->child)->devfn); - num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0)); - if (!num) - return; - pcibios_setup_bus_devices(bus); - max = bus->busn_res.start; - for (pass=0; pass < 2; pass++) - list_for_each_entry(dev, &bus->devices, bus_list) { - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || - dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) - max = pci_scan_bridge(bus, dev, max, pass); - } - } - pcibios_finish_adding_to_bus(bus); -} -EXPORT_SYMBOL_GPL(pcibios_add_pci_devices); - struct pci_controller *init_phb_dynamic(struct device_node *dn) { struct pci_controller *phb; |
