async_tx: expand async raid6 test to cover ioatdma corner case

Add explicit 11 and 12 disks cases to exercise the 0 < src_cnt % 8 < 3
corner case in the ioatdma driver.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c
index 3ec27c7e62ea..f84f6b4301d9 100644
--- a/crypto/async_tx/raid6test.c
+++ b/crypto/async_tx/raid6test.c
@@ -214,6 +214,13 @@ static int raid6_test(void)
                 err += test(4, &tests);
         if (NDISKS > 5)
                 err += test(5, &tests);
+        /* the 11 and 12 disk cases are special for ioatdma (p-disabled
+         * q-continuation without extended descriptor)
+         */
+        if (NDISKS > 12) {
+                err += test(11, &tests);
+                err += test(12, &tests);
+        }
         err += test(NDISKS, &tests);
 
         pr("\n");