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path: root/drivers/misc/habanalabs/include/qman_if.h
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Diffstat (limited to 'drivers/misc/habanalabs/include/qman_if.h')
-rw-r--r--drivers/misc/habanalabs/include/qman_if.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/include/qman_if.h b/drivers/misc/habanalabs/include/qman_if.h
new file mode 100644
index 000000000000..bf59bbe27fdc
--- /dev/null
+++ b/drivers/misc/habanalabs/include/qman_if.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright 2016-2018 HabanaLabs, Ltd.
+ * All Rights Reserved.
+ *
+ */
+
+#ifndef QMAN_IF_H
+#define QMAN_IF_H
+
+#include <linux/types.h>
+
+/*
+ * PRIMARY QUEUE
+ */
+
+struct hl_bd {
+ __le64 ptr;
+ __le32 len;
+ __le32 ctl;
+};
+
+#define HL_BD_SIZE sizeof(struct hl_bd)
+
+/*
+ * BD_CTL_REPEAT_VALID tells the CP whether the repeat field in the BD CTL is
+ * valid. 1 means the repeat field is valid, 0 means not-valid,
+ * i.e. repeat == 1
+ */
+#define BD_CTL_REPEAT_VALID_SHIFT 24
+#define BD_CTL_REPEAT_VALID_MASK 0x01000000
+
+#define BD_CTL_SHADOW_INDEX_SHIFT 0
+#define BD_CTL_SHADOW_INDEX_MASK 0x00000FFF
+
+/*
+ * COMPLETION QUEUE
+ */
+
+struct hl_cq_entry {
+ __le32 data;
+};
+
+#define HL_CQ_ENTRY_SIZE sizeof(struct hl_cq_entry)
+
+#define CQ_ENTRY_READY_SHIFT 31
+#define CQ_ENTRY_READY_MASK 0x80000000
+
+#define CQ_ENTRY_SHADOW_INDEX_VALID_SHIFT 30
+#define CQ_ENTRY_SHADOW_INDEX_VALID_MASK 0x40000000
+
+#define CQ_ENTRY_SHADOW_INDEX_SHIFT BD_CTL_SHADOW_INDEX_SHIFT
+#define CQ_ENTRY_SHADOW_INDEX_MASK BD_CTL_SHADOW_INDEX_MASK
+
+
+#endif /* QMAN_IF_H */