7 files changed, 121 insertions, 5 deletions
diff --git a/include/soc/fsl/caam-blob.h b/include/soc/fsl/caam-blob.h
new file mode 100644
index 000000000000..937cac52f36d
--- /dev/null
+++ b/include/soc/fsl/caam-blob.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Pengutronix, Ahmad Fatoum <kernel@pengutronix.de>
+ */
+
+#ifndef __CAAM_BLOB_GEN
+#define __CAAM_BLOB_GEN
+
+#include <linux/types.h>
+#include <linux/errno.h>
+
+#define CAAM_BLOB_KEYMOD_LENGTH		16
+#define CAAM_BLOB_OVERHEAD		(32 + 16)
+#define CAAM_BLOB_MAX_LEN		4096
+
+struct caam_blob_priv;
+
+/**
+ * struct caam_blob_info - information for CAAM blobbing
+ * @input:       pointer to input buffer (must be DMAable)
+ * @input_len:   length of @input buffer in bytes.
+ * @output:      pointer to output buffer (must be DMAable)
+ * @output_len:  length of @output buffer in bytes.
+ * @key_mod:     key modifier
+ * @key_mod_len: length of @key_mod in bytes.
+ *	         May not exceed %CAAM_BLOB_KEYMOD_LENGTH
+ */
+struct caam_blob_info {
+	void *input;
+	size_t input_len;
+
+	void *output;
+	size_t output_len;
+
+	const void *key_mod;
+	size_t key_mod_len;
+};
+
+/**
+ * caam_blob_gen_init - initialize blob generation
+ * Return: pointer to new &struct caam_blob_priv instance on success
+ * and ``ERR_PTR(-ENODEV)`` if CAAM has no hardware blobbing support
+ * or no job ring could be allocated.
+ */
+struct caam_blob_priv *caam_blob_gen_init(void);
+
+/**
+ * caam_blob_gen_exit - free blob generation resources
+ * @priv: instance returned by caam_blob_gen_init()
+ */
+void caam_blob_gen_exit(struct caam_blob_priv *priv);
+
+/**
+ * caam_process_blob - encapsulate or decapsulate blob
+ * @priv:   instance returned by caam_blob_gen_init()
+ * @info:   pointer to blobbing info describing key, blob and
+ *          key modifier buffers.
+ * @encap:  true for encapsulation, false for decapsulation
+ *
+ * Return: %0 and sets ``info->output_len`` on success and a negative
+ * error code otherwise.
+ */
+int caam_process_blob(struct caam_blob_priv *priv,
+		      struct caam_blob_info *info, bool encap);
+
+/**
+ * caam_encap_blob - encapsulate blob
+ * @priv:   instance returned by caam_blob_gen_init()
+ * @info:   pointer to blobbing info describing input key,
+ *          output blob and key modifier buffers.
+ *
+ * Return: %0 and sets ``info->output_len`` on success and
+ * a negative error code otherwise.
+ */
+static inline int caam_encap_blob(struct caam_blob_priv *priv,
+				  struct caam_blob_info *info)
+{
+	if (info->output_len < info->input_len + CAAM_BLOB_OVERHEAD)
+		return -EINVAL;
+
+	return caam_process_blob(priv, info, true);
+}
+
+/**
+ * caam_decap_blob - decapsulate blob
+ * @priv:   instance returned by caam_blob_gen_init()
+ * @info:   pointer to blobbing info describing output key,
+ *          input blob and key modifier buffers.
+ *
+ * Return: %0 and sets ``info->output_len`` on success and
+ * a negative error code otherwise.
+ */
+static inline int caam_decap_blob(struct caam_blob_priv *priv,
+				  struct caam_blob_info *info)
+{
+	if (info->input_len < CAAM_BLOB_OVERHEAD ||
+	    info->output_len < info->input_len - CAAM_BLOB_OVERHEAD)
+		return -EINVAL;
+
+	return caam_process_blob(priv, info, false);
+}
+
+#endif
diff --git a/include/soc/fsl/dpaa2-fd.h b/include/soc/fsl/dpaa2-fd.h
index 90ae8d191f1a..bae490cac0aa 100644
--- a/include/soc/fsl/dpaa2-fd.h
+++ b/include/soc/fsl/dpaa2-fd.h
@@ -7,7 +7,8 @@
 #ifndef __FSL_DPAA2_FD_H
 #define __FSL_DPAA2_FD_H
 
-#include <linux/kernel.h>
+#include <linux/byteorder/generic.h>
+#include <linux/types.h>
 
 /**
  * DOC: DPAA2 FD - Frame Descriptor APIs for DPAA2
diff --git a/include/soc/fsl/qe/immap_qe.h b/include/soc/fsl/qe/immap_qe.h
index 7614fee532f1..edd601f53f5d 100644
--- a/include/soc/fsl/qe/immap_qe.h
+++ b/include/soc/fsl/qe/immap_qe.h
@@ -13,7 +13,8 @@
 #define _ASM_POWERPC_IMMAP_QE_H
 #ifdef __KERNEL__
 
-#include <linux/kernel.h>
+#include <linux/types.h>
+
 #include <asm/io.h>
 
 #define QE_IMMAP_SIZE	(1024 * 1024)	/* 1MB from 1MB+IMMR */
diff --git a/include/soc/fsl/qe/qe_tdm.h b/include/soc/fsl/qe/qe_tdm.h
index b6febe225071..43ea830cfe1f 100644
--- a/include/soc/fsl/qe/qe_tdm.h
+++ b/include/soc/fsl/qe/qe_tdm.h
@@ -10,8 +10,8 @@
 #ifndef _QE_TDM_H_
 #define _QE_TDM_H_
 
-#include <linux/kernel.h>
 #include <linux/list.h>
+#include <linux/types.h>
 
 #include <soc/fsl/qe/immap_qe.h>
 #include <soc/fsl/qe/qe.h>
@@ -19,6 +19,8 @@
 #include <soc/fsl/qe/ucc.h>
 #include <soc/fsl/qe/ucc_fast.h>
 
+struct device_node;
+
 /* SI RAM entries */
 #define SIR_LAST	0x0001
 #define SIR_BYTE	0x0002
diff --git a/include/soc/fsl/qe/ucc_fast.h b/include/soc/fsl/qe/ucc_fast.h
index 9696a5b9b5d1..ad60b87a3c69 100644
--- a/include/soc/fsl/qe/ucc_fast.h
+++ b/include/soc/fsl/qe/ucc_fast.h
@@ -10,7 +10,7 @@
 #ifndef __UCC_FAST_H__
 #define __UCC_FAST_H__
 
-#include <linux/kernel.h>
+#include <linux/types.h>
 
 #include <soc/fsl/qe/immap_qe.h>
 #include <soc/fsl/qe/qe.h>
diff --git a/include/soc/fsl/qe/ucc_slow.h b/include/soc/fsl/qe/ucc_slow.h
index 11a216e4e919..7548ce8a202d 100644
--- a/include/soc/fsl/qe/ucc_slow.h
+++ b/include/soc/fsl/qe/ucc_slow.h
@@ -11,7 +11,7 @@
 #ifndef __UCC_SLOW_H__
 #define __UCC_SLOW_H__
 
-#include <linux/kernel.h>
+#include <linux/types.h>
 
 #include <soc/fsl/qe/immap_qe.h>
 #include <soc/fsl/qe/qe.h>
diff --git a/include/soc/fsl/qman.h b/include/soc/fsl/qman.h
index 59eeba31c192..0d3d6beb7fdb 100644
--- a/include/soc/fsl/qman.h
+++ b/include/soc/fsl/qman.h
@@ -1172,6 +1172,15 @@ int qman_delete_cgr(struct qman_cgr *cgr);
 void qman_delete_cgr_safe(struct qman_cgr *cgr);
 
 /**
+ * qman_update_cgr_safe - Modifies a congestion group object from any CPU
+ * @cgr: the 'cgr' object to modify
+ * @opts: state of the CGR settings
+ *
+ * This will select the proper CPU and modify the CGR settings.
+ */
+int qman_update_cgr_safe(struct qman_cgr *cgr, struct qm_mcc_initcgr *opts);
+
+/**
  * qman_query_cgr_congested - Queries CGR's congestion status
  * @cgr: the 'cgr' object to query
  * @result: returns 'cgr's congestion status, 1 (true) if congested