From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/msg/async/dpdk/EventDPDK.cc | 85 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 src/msg/async/dpdk/EventDPDK.cc

(limited to 'src/msg/async/dpdk/EventDPDK.cc')

diff --git a/src/msg/async/dpdk/EventDPDK.cc b/src/msg/async/dpdk/EventDPDK.cc
new file mode 100644
index 000000000..a38ddcc99
--- /dev/null
+++ b/src/msg/async/dpdk/EventDPDK.cc
@@ -0,0 +1,85 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+  *
+ * Copyright (C) 2015 XSky <haomai@xsky.com>
+ *
+ * Author: Haomai Wang <haomaiwang@gmail.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/errno.h"
+#include "DPDKStack.h"
+#include "EventDPDK.h"
+
+#include "common/dout.h"
+#include "include/ceph_assert.h"
+
+#define dout_subsys ceph_subsys_ms
+
+#undef dout_prefix
+#define dout_prefix *_dout << "DPDKDriver."
+
+int DPDKDriver::init(EventCenter *c, int nevent)
+{
+	return 0;
+}
+
+int DPDKDriver::add_event(int fd, int cur_mask, int add_mask)
+{
+	ldout(cct, 20) << __func__ << " add event fd=" << fd << " cur_mask=" << cur_mask
+								 << " add_mask=" << add_mask << dendl;
+
+	int r = manager.listen(fd, add_mask);
+	if (r < 0) {
+		lderr(cct) << __func__ << " add fd=" << fd << " failed. "
+		           << cpp_strerror(-r) << dendl;
+		return -errno;
+	}
+
+	return 0;
+}
+
+int DPDKDriver::del_event(int fd, int cur_mask, int delmask)
+{
+	ldout(cct, 20) << __func__ << " del event fd=" << fd << " cur_mask=" << cur_mask
+								 << " delmask=" << delmask << dendl;
+	int r = 0;
+
+	if (delmask != EVENT_NONE) {
+		if ((r = manager.unlisten(fd, delmask)) < 0) {
+			lderr(cct) << __func__ << " delete fd=" << fd << " delmask=" << delmask
+								 << " failed." << cpp_strerror(-r) << dendl;
+			return r;
+		}
+	}
+	return 0;
+}
+
+int DPDKDriver::resize_events(int newsize)
+{
+	return 0;
+}
+
+int DPDKDriver::event_wait(std::vector<FiredFileEvent> &fired_events, struct timeval *tvp)
+{
+	int num_events = 512;
+	int events[num_events];
+  int masks[num_events];
+
+	int retval = manager.poll(events, masks, num_events, tvp);
+	if (retval > 0) {
+		fired_events.resize(retval);
+		for (int i = 0; i < retval; i++) {
+			fired_events[i].fd = events[i];
+			fired_events[i].mask = masks[i];
+		}
+	}
+	return retval;
+}
-- 
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