diff options
Diffstat (limited to 'drivers/crypto/fsl/desc_constr.h')
| -rw-r--r-- | drivers/crypto/fsl/desc_constr.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/crypto/fsl/desc_constr.h b/drivers/crypto/fsl/desc_constr.h index 2559ccda8c..4ea93b03a2 100644 --- a/drivers/crypto/fsl/desc_constr.h +++ b/drivers/crypto/fsl/desc_constr.h @@ -53,6 +53,19 @@ union ptr_addr_t { }; #endif +static inline void pdb_add_ptr(dma_addr_t *offset, dma_addr_t ptr) +{ +#ifdef CONFIG_PHYS_64BIT + /* The Position of low and high part of 64 bit address + * will depend on the endianness of CAAM Block */ + union ptr_addr_t *ptr_addr = (union ptr_addr_t *)offset; + ptr_addr->m_halfs.high = (u32)(ptr >> 32); + ptr_addr->m_halfs.low = (u32)ptr; +#else + *offset = ptr; +#endif +} + static inline int desc_len(u32 *desc) { return *desc & HDR_DESCLEN_MASK; @@ -68,6 +81,11 @@ static inline u32 *desc_end(u32 *desc) return desc + desc_len(desc); } +static inline void *desc_pdb(u32 *desc) +{ + return desc + 1; +} + static inline void init_desc(u32 *desc, u32 options) { *desc = (options | HDR_ONE) + 1; @@ -78,6 +96,15 @@ static inline void init_job_desc(u32 *desc, u32 options) init_desc(desc, CMD_DESC_HDR | options); } +static inline void init_job_desc_pdb(u32 *desc, u32 options, size_t pdb_bytes) +{ + u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ; + + init_job_desc(desc, + (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) | + options); +} + static inline void append_ptr(u32 *desc, dma_addr_t ptr) { dma_addr_t *offset = (dma_addr_t *)desc_end(desc); |