summaryrefslogtreecommitdiffstats
path: root/drivers/crypto/qat/qat_common/qat_bl.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_bl.h')
-rw-r--r--drivers/crypto/qat/qat_common/qat_bl.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_bl.h b/drivers/crypto/qat/qat_common/qat_bl.h
new file mode 100644
index 000000000..0c174fee9
--- /dev/null
+++ b/drivers/crypto/qat/qat_common/qat_bl.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2014 - 2022 Intel Corporation */
+#ifndef QAT_BL_H
+#define QAT_BL_H
+#include <linux/scatterlist.h>
+#include <linux/types.h>
+
+#define QAT_MAX_BUFF_DESC 4
+
+struct qat_alg_buf {
+ u32 len;
+ u32 resrvd;
+ u64 addr;
+} __packed;
+
+struct qat_alg_buf_list {
+ u64 resrvd;
+ u32 num_bufs;
+ u32 num_mapped_bufs;
+ struct qat_alg_buf bufers[];
+} __packed;
+
+struct qat_alg_fixed_buf_list {
+ struct qat_alg_buf_list sgl_hdr;
+ struct qat_alg_buf descriptors[QAT_MAX_BUFF_DESC];
+} __packed __aligned(64);
+
+struct qat_request_buffs {
+ struct qat_alg_buf_list *bl;
+ dma_addr_t blp;
+ struct qat_alg_buf_list *blout;
+ dma_addr_t bloutp;
+ size_t sz;
+ size_t sz_out;
+ bool sgl_src_valid;
+ bool sgl_dst_valid;
+ struct qat_alg_fixed_buf_list sgl_src;
+ struct qat_alg_fixed_buf_list sgl_dst;
+};
+
+struct qat_sgl_to_bufl_params {
+ dma_addr_t extra_dst_buff;
+ size_t sz_extra_dst_buff;
+};
+
+void qat_bl_free_bufl(struct adf_accel_dev *accel_dev,
+ struct qat_request_buffs *buf);
+int qat_bl_sgl_to_bufl(struct adf_accel_dev *accel_dev,
+ struct scatterlist *sgl,
+ struct scatterlist *sglout,
+ struct qat_request_buffs *buf,
+ struct qat_sgl_to_bufl_params *params,
+ gfp_t flags);
+
+#endif