clean up the API header file (#197)

This is almost entirely re-ordering: first the basic lifecycle things, then
vfu_setup_*() group, then handlers and helpers, and finally PCI handling.

Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/cap.c b/lib/cap.c
index 74f2d11..d58d7f1 100644
--- a/lib/cap.c
+++ b/lib/cap.c
@@ -40,6 +40,9 @@
 #include "libvfio-user.h"
 #include "cap.h"
 
+#define VFU_MAX_CAPS \
+    ((PCI_CFG_SPACE_SIZE - PCI_STD_HEADER_SIZEOF) / PCI_CAP_SIZEOF)
+
 /*
  * PCI capabilities are stored after the the PCI configuration space header
  * (vfu_ctx->config_space), as they would in an actual PCI device. We also