1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_pfvf_utils.h b/drivers/crypto/intel/qat/qat_common/adf_pfvf_utils.h
new file mode 100644
index 000000000000..1a044297d873
--- /dev/null
+++ b/drivers/crypto/intel/qat/qat_common/adf_pfvf_utils.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2021 Intel Corporation */
+#ifndef ADF_PFVF_UTILS_H
+#define ADF_PFVF_UTILS_H
+
+#include <linux/types.h>
+#include "adf_pfvf_msg.h"
+
+/* How long to wait for far side to acknowledge receipt */
+#define ADF_PFVF_MSG_ACK_DELAY_US	4
+#define ADF_PFVF_MSG_ACK_MAX_DELAY_US	(1 * USEC_PER_SEC)
+
+u8 adf_pfvf_calc_blkmsg_crc(u8 const *buf, u8 buf_len);
+void adf_pfvf_crc_init(void);
+
+struct pfvf_field_format {
+	u8  offset;
+	u32 mask;
+};
+
+struct pfvf_csr_format {
+	struct pfvf_field_format type;
+	struct pfvf_field_format data;
+};
+
+u32 adf_pfvf_csr_msg_of(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
+			const struct pfvf_csr_format *fmt);
+struct pfvf_message adf_pfvf_message_of(struct adf_accel_dev *accel_dev, u32 raw_msg,
+					const struct pfvf_csr_format *fmt);
+
+static inline u8 adf_vf_compat_checker(u8 vf_compat_ver)
+{
+	if (vf_compat_ver == 0)
+		return ADF_PF2VF_VF_INCOMPATIBLE;
+
+	if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION)
+		return ADF_PF2VF_VF_COMPATIBLE;
+
+	return ADF_PF2VF_VF_COMPAT_UNKNOWN;
+}
+
+#endif /* ADF_PFVF_UTILS_H */