From 1924221192ba64c31d140ffbfc4c4c37ed63d92b Mon Sep 17 00:00:00 2001
From: paul luse <paul.e.luse@intel.com>
Date: Thu, 29 Oct 2020 19:23:02 -0400
Subject: [PATCH] lib/accel: change max batch size to match idxd batch max

0x10 is thought to be a more common size, hard to tell until
we get real silicon but either way 0x80 limited the total
number of outstanding batches way too much.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I61ba219b9d0185b126d300468ddd8a2214ed284a
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4971
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/accel/accel_engine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/accel/accel_engine.c b/lib/accel/accel_engine.c
index b65528984..ca3e248eb 100644
--- a/lib/accel/accel_engine.c
+++ b/lib/accel/accel_engine.c
@@ -51,7 +51,7 @@
 
 #define ALIGN_4K			0x1000
 #define MAX_TASKS_PER_CHANNEL		0x800
-#define MAX_BATCH_SIZE			0x80
+#define MAX_BATCH_SIZE			0x10
 #define MAX_NUM_BATCHES_PER_CHANNEL	(MAX_TASKS_PER_CHANNEL / MAX_BATCH_SIZE)
 
 /* Largest context size for all accel modules */