[PATCH liburing 1/5] configure: check for nvme uring command support

[Ankit Kumar <ankit.kumar@samsung.com>]

Modify configure to check availability of nvme_uring_cmd.
The follow up patch will have uring passthrough tests.

Signed-off-by: Ankit Kumar <ankit.kumar@samsung.com>
---
 configure | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/configure b/configure
index 43071dd..1b0cc50 100755
--- a/configure
+++ b/configure
@@ -367,6 +367,23 @@ if compile_prog "" "" "has_ucontext"; then
 fi
 print_config "has_ucontext" "$has_ucontext"
 
+##########################################
+# Check NVME_URING_CMD support
+nvme_uring_cmd="no"
+cat > $TMPC << EOF
+#include <linux/nvme_ioctl.h>
+int main(void)
+{
+  struct nvme_uring_cmd *cmd;
+
+  return sizeof(struct nvme_uring_cmd);
+}
+EOF
+if compile_prog "" "" "nvme uring cmd"; then
+  nvme_uring_cmd="yes"
+fi
+print_config "NVMe uring command support" "$nvme_uring_cmd"
+
 #############################################################################
 if test "$liburing_nolibc" = "yes"; then
   output_sym "CONFIG_NOLIBC"
@@ -402,6 +419,9 @@ fi
 if test "$array_bounds" = "yes"; then
   output_sym "CONFIG_HAVE_ARRAY_BOUNDS"
 fi
+if test "$nvme_uring_cmd" = "yes"; then
+  output_sym "CONFIG_HAVE_NVME_URING"
+fi
 
 echo "CC=$cc" >> $config_host_mak
 print_config "CC" "$cc"
-- 
2.17.1