diff options
| author | Linas Vepstas <linas@linas.org> | 2005-11-03 18:52:49 -0600 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-10 15:28:32 +1100 |
| commit | 77bd741561016134d1761d6101c4f0361025062f (patch) | |
| tree | 5e3389b6941add4b24a2be64c730b7a9087c1f2f /include/asm-powerpc | |
| parent | 977127174a7dff52d17faeeb4c4949a54221881f (diff) | |
| download | op-kernel-dev-77bd741561016134d1761d6101c4f0361025062f.zip op-kernel-dev-77bd741561016134d1761d6101c4f0361025062f.tar.gz | |
[PATCH] powerpc: PCI Error Recovery: PPC64 core recovery routines
Various PCI bus errors can be signaled by newer PCI controllers. The
core error recovery routines are architecture dependent. This patch adds
a recovery infrastructure for the PPC64 pSeries systems.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from e8ca11b460c4c9c7fa6b529be221529ebd770e38 commit)
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/eeh.h | 8 | ||||
| -rw-r--r-- | include/asm-powerpc/eeh_event.h | 7 | ||||
| -rw-r--r-- | include/asm-powerpc/ppc-pci.h | 9 |
3 files changed, 19 insertions, 5 deletions
diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h index 4395b7b..b263fb2 100644 --- a/include/asm-powerpc/eeh.h +++ b/include/asm-powerpc/eeh.h @@ -34,9 +34,11 @@ struct device_node; extern int eeh_subsystem_enabled; /* Values for eeh_mode bits in device_node */ -#define EEH_MODE_SUPPORTED (1<<0) -#define EEH_MODE_NOCHECK (1<<1) -#define EEH_MODE_ISOLATED (1<<2) +#define EEH_MODE_SUPPORTED (1<<0) +#define EEH_MODE_NOCHECK (1<<1) +#define EEH_MODE_ISOLATED (1<<2) +#define EEH_MODE_RECOVERING (1<<3) +#define EEH_MODE_IRQ_DISABLED (1<<4) /* Max number of EEH freezes allowed before we consider the device * to be permanently disabled. */ diff --git a/include/asm-powerpc/eeh_event.h b/include/asm-powerpc/eeh_event.h index 5e11a00..93d55a2 100644 --- a/include/asm-powerpc/eeh_event.h +++ b/include/asm-powerpc/eeh_event.h @@ -30,7 +30,7 @@ struct eeh_event { struct list_head list; struct device_node *dn; /* struct device node */ struct pci_dev *dev; /* affected device */ - int state; + enum pci_channel_state state; /* PCI bus state for the affected device */ int time_unavail; /* milliseconds until device might be available */ }; @@ -47,8 +47,11 @@ struct eeh_event { */ int eeh_send_failure_event (struct device_node *dn, struct pci_dev *dev, - int reset_state, + enum pci_channel_state state, int time_unavail); +/* Main recovery function */ +void handle_eeh_events (struct eeh_event *); + #endif /* __KERNEL__ */ #endif /* ASM_PPC64_EEH_EVENT_H */ diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h index bdef312..caf67a3 100644 --- a/include/asm-powerpc/ppc-pci.h +++ b/include/asm-powerpc/ppc-pci.h @@ -53,6 +53,15 @@ extern unsigned long pci_probe_only; /* ---- EEH internal-use-only related routines ---- */ #ifdef CONFIG_EEH /** + * eeh_slot_error_detail -- record and EEH error condition to the log + * @severity: 1 if temporary, 2 if permanent failure. + * + * Obtains the the EEH error details from the RTAS subsystem, + * and then logs these details with the RTAS error log system. + */ +void eeh_slot_error_detail (struct pci_dn *pdn, int severity); + +/** * rtas_set_slot_reset -- unfreeze a frozen slot * * Clear the EEH-frozen condition on a slot. This routine |
