Merge remote-tracking branch 'github/3.0-pcm052' into 3.0-pcm0523.0-pcm052-ts2

Release 3.0-ts2: enable USB support for the phyCORE Vybrid

1 files changed, 86 insertions, 0 deletions

diff --git a/drivers/crypto/caam/sm.h b/drivers/crypto/caam/sm.h
new file mode 100644
index 000000000000..fba4c5679add
--- /dev/null
+++ b/drivers/crypto/caam/sm.h
@@ -0,0 +1,86 @@
+
+/*
+ * CAAM Secure Memory/Keywrap API Definitions
+ * Copyright (c) 2008, 2012 Freescale Semiconductor, Inc.
+ */
+
+#ifndef SM_H
+#define SM_H
+
+
+/* Storage access permissions */
+#define SM_PERM_READ 0x01
+#define SM_PERM_WRITE 0x02
+#define SM_PERM_BLOB 0x03
+
+
+/* Keystore maintenance functions */
+void sm_init_keystore(struct device *dev);
+u32 sm_detect_keystore_units(struct device *dev);
+int sm_establish_keystore(struct device *dev, u32 unit);
+void sm_release_keystore(struct device *dev, u32 unit);
+
+/* Keystore accessor functions */
+extern int sm_keystore_slot_alloc(struct device *dev, u32 unit, u32 size,
+				  u32 *slot);
+extern int sm_keystore_slot_dealloc(struct device *dev, u32 unit, u32 slot);
+extern int sm_keystore_slot_load(struct device *dev, u32 unit, u32 slot,
+				 const u8 *key_data, u32 key_length);
+extern int sm_keystore_slot_read(struct device *dev, u32 unit, u32 slot,
+				 u32 key_length, u8 *key_data);
+extern int sm_keystore_slot_encapsulate(struct device *dev, u32 unit,
+					u32 inslot, u32 outslot, u16 secretlen,
+					u8 *keymod, u16 keymodlen);
+extern int sm_keystore_slot_decapsulate(struct device *dev, u32 unit,
+					u32 inslot, u32 outslot, u16 secretlen,
+					u8 *keymod, u16 keymodlen);
+
+/* Data structure to hold per-slot information */
+struct keystore_data_slot_info {
+	u8	allocated;	/* Track slot assignments */
+	u32	key_length;	/* Size of the key */
+};
+
+/* Data structure to hold keystore information */
+struct keystore_data {
+	void	*base_address;	/* Base of the Secure Partition */
+	u32	slot_count;	/* Number of slots in the keystore */
+	struct keystore_data_slot_info *slot; /* Per-slot information */
+};
+
+/* store the detected attributes of a secure memory page */
+struct sm_page_descriptor {
+	u16 phys_pagenum;	/* may be discontiguous */
+	u16 own_part;		/* Owning partition */
+	void *pg_base;		/* Calculated virtual address */
+	struct keystore_data *ksdata;
+};
+
+struct caam_drv_private_sm {
+	struct device *parentdev;	/* this ends up as the controller */
+	struct device *smringdev;	/* ring that owns this instance */
+	spinlock_t kslock ____cacheline_aligned;
+
+	/* Default parameters for geometry */
+	u32 max_pages;		/* maximum pages this instance can support */
+	u32 top_partition;	/* highest partition number in this instance */
+	u32 top_page;		/* highest page number in this instance */
+	u32 page_size;		/* page size */
+	u32 slot_size;		/* selected size of each storage block */
+
+	/* Partition/Page Allocation Map */
+	u32 localpages;		/* Number of pages we can access */
+	struct sm_page_descriptor *pagedesc;	/* Allocated per-page */
+
+	/* Installed handlers for keystore access */
+	int (*data_init)(struct device *dev, u32 unit);
+	void (*data_cleanup)(struct device *dev, u32 unit);
+	int (*slot_alloc)(struct device *dev, u32 unit, u32 size, u32 *slot);
+	int (*slot_dealloc)(struct device *dev, u32 unit, u32 slot);
+	void *(*slot_get_address)(struct device *dev, u32 unit, u32 handle);
+	u32 (*slot_get_base)(struct device *dev, u32 unit, u32 handle);
+	u32 (*slot_get_offset)(struct device *dev, u32 unit, u32 handle);
+	u32 (*slot_get_slot_size)(struct device *dev, u32 unit, u32 handle);
+};
+
+#endif /* SM_H */