From 38ced28b21efff18fd5e5c98a92830e8f0031cee Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 12 Jun 2012 10:55:57 -0300 Subject: edac: allow specifying the error count with fake_inject In order to test if the error counters are properly incremented, add a way to specify how many errors were generated by a trace. Signed-off-by: Mauro Carvalho Chehab --- drivers/edac/edac_mc_sysfs.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'drivers/edac') diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index a2bf7e9dd6d..ed0bc07b850 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -812,18 +812,24 @@ static ssize_t edac_fake_inject_write(struct file *file, struct device *dev = file->private_data; struct mem_ctl_info *mci = to_mci(dev); static enum hw_event_mc_err_type type; + u16 errcount = mci->fake_inject_count; + + if (!errcount) + errcount = 1; type = mci->fake_inject_ue ? HW_EVENT_ERR_UNCORRECTED : HW_EVENT_ERR_CORRECTED; printk(KERN_DEBUG - "Generating a %s fake error to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n", + "Generating %d %s fake error%s to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n", + errcount, (type == HW_EVENT_ERR_UNCORRECTED) ? "UE" : "CE", + errcount > 1 ? "s" : "", mci->fake_inject_layer[0], mci->fake_inject_layer[1], mci->fake_inject_layer[2] ); - edac_mc_handle_error(type, mci, 1, 0, 0, 0, + edac_mc_handle_error(type, mci, errcount, 0, 0, 0, mci->fake_inject_layer[0], mci->fake_inject_layer[1], mci->fake_inject_layer[2], @@ -944,6 +950,11 @@ int edac_create_debug_nodes(struct mem_ctl_info *mci) if (!d) goto nomem; + d = debugfs_create_u16("fake_inject_count", S_IRUGO | S_IWUSR, parent, + &mci->fake_inject_count); + if (!d) + goto nomem; + d = debugfs_create_file("fake_inject", S_IWUSR, parent, &mci->dev, &debug_fake_inject_fops); -- cgit v1.2.3-70-g09d2