diff mbox series

[v16,05/23] event/dlb: add inline functions

Message ID 1604273415-13912-6-git-send-email-timothy.mcdaniel@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: Jerin Jacob
Headers
Series Add DLB PMD |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Timothy McDaniel Nov. 1, 2020, 11:29 p.m. UTC 
  Add miscellaneous inline functions that may be called
from multiple files.  These functions include inline
assembly of new x86 instructions, such as movdir64b,
since they are not available as builtin functions in
the minimum supported GCC version.

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
Reviewed-by: Gage Eads <gage.eads@intel.com>
---
 drivers/event/dlb/dlb_inline_fns.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 drivers/event/dlb/dlb_inline_fns.h
diff mbox series

Patch

diff --git a/drivers/event/dlb/dlb_inline_fns.h b/drivers/event/dlb/dlb_inline_fns.h
new file mode 100644
index 0000000..aae94dc
--- /dev/null
+++ b/drivers/event/dlb/dlb_inline_fns.h
@@ -0,0 +1,36 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef _DLB_INLINE_FNS_H_
+#define _DLB_INLINE_FNS_H_
+
+#include "rte_memcpy.h"
+#include "rte_io.h"
+
+/* Inline functions required in more than one source file. */
+
+static inline struct dlb_eventdev *
+dlb_pmd_priv(const struct rte_eventdev *eventdev)
+{
+	return eventdev->data->dev_private;
+}
+
+static inline void
+dlb_movntdq_single(void *dest, void *src)
+{
+	long long *_src  = (long long *)src;
+	__m128i src_data0 = (__m128i){_src[0], _src[1]};
+
+	_mm_stream_si128(dest, src_data0);
+}
+
+static inline void
+dlb_movdir64b(void *dest, void *src)
+{
+	asm volatile(".byte 0x66, 0x0f, 0x38, 0xf8, 0x02"
+		:
+		: "a" (dest), "d" (src));
+}
+
+#endif /* _DLB_INLINE_FNS_H_ */