Author: hselasky
Date: Thu Aug 18 08:49:02 2016
New Revision: 304342
URL: https://svnweb.freebsd.org/changeset/base/304342
Log:
Add support for setting blocking and non-blocking mode on /dev/rdma_cm
by returning success on FIONBIO and FIOASYNC IOCTLs. The actual flags
handling is done by the kern_ioctl() function.
Reported by: Alex Bowden <alex.bow...@outlook.com>
Sponsored by: Mellanox Technologies
MFC after: 1 week
Modified:
head/sys/ofed/drivers/infiniband/core/ucma.c
Modified: head/sys/ofed/drivers/infiniband/core/ucma.c
==============================================================================
--- head/sys/ofed/drivers/infiniband/core/ucma.c Thu Aug 18 08:47:06
2016 (r304341)
+++ head/sys/ofed/drivers/infiniband/core/ucma.c Thu Aug 18 08:49:02
2016 (r304342)
@@ -42,6 +42,8 @@
#include <linux/slab.h>
#include <linux/module.h>
+#include <sys/filio.h>
+
#include <rdma/rdma_user_cm.h>
#include <rdma/ib_marshall.h>
#include <rdma/rdma_cm.h>
@@ -1345,11 +1347,25 @@ static int ucma_close(struct inode *inod
return 0;
}
+static long
+ucma_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+
+ switch (cmd) {
+ case FIONBIO:
+ case FIOASYNC:
+ return (0);
+ default:
+ return (-ENOTTY);
+ }
+}
+
static const struct file_operations ucma_fops = {
.owner = THIS_MODULE,
.open = ucma_open,
.release = ucma_close,
.write = ucma_write,
+ .unlocked_ioctl = ucma_ioctl,
.poll = ucma_poll,
.llseek = no_llseek,
};
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