diff options
Diffstat (limited to 'arch/powerpc/kernel/eeh.c')
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index e1b6d8e17289..3b2252e7731b 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -104,6 +104,13 @@ int eeh_subsystem_flags; EXPORT_SYMBOL(eeh_subsystem_flags); +/* + * EEH allowed maximal frozen times. If one particular PE's + * frozen count in last hour exceeds this limit, the PE will + * be forced to be offline permanently. + */ +int eeh_max_freezes = 5; + /* Platform dependent EEH operations */ struct eeh_ops *eeh_ops = NULL; @@ -1652,8 +1659,22 @@ static int eeh_enable_dbgfs_get(void *data, u64 *val) return 0; } +static int eeh_freeze_dbgfs_set(void *data, u64 val) +{ + eeh_max_freezes = val; + return 0; +} + +static int eeh_freeze_dbgfs_get(void *data, u64 *val) +{ + *val = eeh_max_freezes; + return 0; +} + DEFINE_SIMPLE_ATTRIBUTE(eeh_enable_dbgfs_ops, eeh_enable_dbgfs_get, eeh_enable_dbgfs_set, "0x%llx\n"); +DEFINE_SIMPLE_ATTRIBUTE(eeh_freeze_dbgfs_ops, eeh_freeze_dbgfs_get, + eeh_freeze_dbgfs_set, "0x%llx\n"); #endif static int __init eeh_init_proc(void) @@ -1664,6 +1685,9 @@ static int __init eeh_init_proc(void) debugfs_create_file("eeh_enable", 0600, powerpc_debugfs_root, NULL, &eeh_enable_dbgfs_ops); + debugfs_create_file("eeh_max_freezes", 0600, + powerpc_debugfs_root, NULL, + &eeh_freeze_dbgfs_ops); #endif } |