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From: "McDaniel, Timothy" <timothy.mcdaniel@intel.com>
To: jerinj@marvell.com
Cc: mattias.ronnblom@ericsson.com, dev@dpdk.org, gage.eads@intel.com,
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"McDaniel, Timothy" <timothy.mcdaniel@intel.com>
Date: Thu, 30 Jul 2020 14:49:56 -0500
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Subject: [dpdk-dev] [PATCH 09/27] event/dlb: add inline functions used in
multiple files
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From: "McDaniel, Timothy" <timothy.mcdaniel@intel.com>
Signed-off-by: McDaniel, Timothy <timothy.mcdaniel@intel.com>
---
drivers/event/dlb/dlb_inline_fns.h | 80 ++++++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 drivers/event/dlb/dlb_inline_fns.h
diff --git a/drivers/event/dlb/dlb_inline_fns.h b/drivers/event/dlb/dlb_inline_fns.h
new file mode 100644
index 0000000..6feae12
--- /dev/null
+++ b/drivers/event/dlb/dlb_inline_fns.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#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_umonitor(volatile void *addr)
+{
+ asm volatile(".byte 0xf3, 0x0f, 0xae, 0xf7\t\n"
+ :
+ : "D" (addr));
+}
+
+static inline void
+dlb_umwait(int state, uint64_t timeout)
+{
+ uint32_t eax = timeout & UINT32_MAX;
+ uint32_t edx = timeout >> 32;
+
+ asm volatile(".byte 0xf2, 0x0f, 0xae, 0xf7\t\n"
+ :
+ : "D" (state), "a" (eax), "d" (edx));
+}
+
+static inline void
+dlb_movntdq(void *dest, void *src)
+{
+ /* Move entire 64B cache line of QEs, 128 bits (16B) at a time. */
+ long long *_src = (long long *)src;
+ __v2di src_data0 = (__v2di){_src[0], _src[1]};
+ __v2di src_data1 = (__v2di){_src[2], _src[3]};
+ __v2di src_data2 = (__v2di){_src[4], _src[5]};
+ __v2di src_data3 = (__v2di){_src[6], _src[7]};
+
+ __builtin_ia32_movntdq((__v2di *)dest + 0, (__v2di)src_data0);
+ rte_wmb();
+ __builtin_ia32_movntdq((__v2di *)dest + 1, (__v2di)src_data1);
+ rte_wmb();
+ __builtin_ia32_movntdq((__v2di *)dest + 2, (__v2di)src_data2);
+ rte_wmb();
+ __builtin_ia32_movntdq((__v2di *)dest + 3, (__v2di)src_data3);
+ rte_wmb();
+}
+
+static inline void
+dlb_movntdq_single(void *dest, void *src)
+{
+ long long *_src = (long long *)src;
+ __v2di src_data0 = (__v2di){_src[0], _src[1]};
+
+ __builtin_ia32_movntdq((__v2di *)dest, (__v2di)src_data0);
+}
+
+static inline void
+dlb_cldemote(void *addr)
+{
+ /* Load addr into RSI, then demote the cache line of the address
+ * contained in that register.
+ */
+ asm volatile(".byte 0x0f, 0x1c, 0x06" :: "S" (addr));
+}
+
+static inline void
+dlb_movdir64b(void *dest, void *src)
+{
+ asm volatile(".byte 0x66, 0x0f, 0x38, 0xf8, 0x02"
+ :
+ : "a" (dest), "d" (src));
+}
--
1.7.10