diff options
Diffstat (limited to 'drivers/crypto/caam/desc_constr.h')
| -rw-r--r-- | drivers/crypto/caam/desc_constr.h | 81 |
1 files changed, 77 insertions, 4 deletions
diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index c85c1f058401..fe3bfd1b08ca 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -110,6 +110,26 @@ static inline void append_cmd(u32 *desc, u32 command) (*desc)++; } +#define append_u32 append_cmd + +static inline void append_u64(u32 *desc, u64 data) +{ + u32 *offset = desc_end(desc); + + *offset = upper_32_bits(data); + *(++offset) = lower_32_bits(data); + + (*desc) += 2; +} + +/* Write command without affecting header, and return pointer to next word */ +static inline u32 *write_cmd(u32 *desc, u32 command) +{ + *desc = command; + + return desc + 1; +} + static inline void append_cmd_ptr(u32 *desc, dma_addr_t ptr, int len, u32 command) { @@ -122,7 +142,8 @@ static inline void append_cmd_ptr_extlen(u32 *desc, dma_addr_t ptr, unsigned int len, u32 command) { append_cmd(desc, command); - append_ptr(desc, ptr); + if (!(command & (SQIN_RTO | SQIN_PRE))) + append_ptr(desc, ptr); append_cmd(desc, len); } @@ -176,17 +197,36 @@ static inline void append_##cmd(u32 *desc, dma_addr_t ptr, unsigned int len, \ } APPEND_CMD_PTR(key, KEY) APPEND_CMD_PTR(load, LOAD) -APPEND_CMD_PTR(store, STORE) APPEND_CMD_PTR(fifo_load, FIFO_LOAD) APPEND_CMD_PTR(fifo_store, FIFO_STORE) +static inline void append_store(u32 *desc, dma_addr_t ptr, unsigned int len, + u32 options) +{ + u32 cmd_src; + + cmd_src = options & LDST_SRCDST_MASK; + + append_cmd(desc, CMD_STORE | options | len); + + /* The following options do not require pointer */ + if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED || + cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB || + cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE || + cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE)) + append_ptr(desc, ptr); +} + #define APPEND_SEQ_PTR_INTLEN(cmd, op) \ static inline void append_seq_##cmd##_ptr_intlen(u32 *desc, dma_addr_t ptr, \ unsigned int len, \ u32 options) \ { \ PRINT_POS; \ - append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \ + if (options & (SQIN_RTO | SQIN_PRE)) \ + append_cmd(desc, CMD_SEQ_##op##_PTR | len | options); \ + else \ + append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \ } APPEND_SEQ_PTR_INTLEN(in, IN) APPEND_SEQ_PTR_INTLEN(out, OUT) @@ -259,7 +299,7 @@ APPEND_CMD_RAW_IMM(load, LOAD, u32); */ #define APPEND_MATH(op, desc, dest, src_0, src_1, len) \ append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \ - MATH_SRC0_##src_0 | MATH_SRC1_##src_1 | (u32) (len & MATH_LEN_MASK)); + MATH_SRC0_##src_0 | MATH_SRC1_##src_1 | (u32)len); #define append_math_add(desc, dest, src0, src1, len) \ APPEND_MATH(ADD, desc, dest, src0, src1, len) @@ -279,6 +319,8 @@ append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \ APPEND_MATH(LSHIFT, desc, dest, src0, src1, len) #define append_math_rshift(desc, dest, src0, src1, len) \ APPEND_MATH(RSHIFT, desc, dest, src0, src1, len) +#define append_math_ldshift(desc, dest, src0, src1, len) \ + APPEND_MATH(SHLD, desc, dest, src0, src1, len) /* Exactly one source is IMM. Data is passed in as u32 value */ #define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \ @@ -305,3 +347,34 @@ do { \ APPEND_MATH_IMM_u32(LSHIFT, desc, dest, src0, src1, data) #define append_math_rshift_imm_u32(desc, dest, src0, src1, data) \ APPEND_MATH_IMM_u32(RSHIFT, desc, dest, src0, src1, data) + +/* Exactly one source is IMM. Data is passed in as u64 value */ +#define APPEND_MATH_IMM_u64(op, desc, dest, src_0, src_1, data) \ +do { \ + u32 upper = (data >> 16) >> 16; \ + APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ * 2 | \ + (upper ? 0 : MATH_IFB)); \ + if (upper) \ + append_u64(desc, data); \ + else \ + append_u32(desc, data); \ +} while (0) + +#define append_math_add_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(ADD, desc, dest, src0, src1, data) +#define append_math_sub_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(SUB, desc, dest, src0, src1, data) +#define append_math_add_c_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(ADDC, desc, dest, src0, src1, data) +#define append_math_sub_b_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(SUBB, desc, dest, src0, src1, data) +#define append_math_and_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(AND, desc, dest, src0, src1, data) +#define append_math_or_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(OR, desc, dest, src0, src1, data) +#define append_math_xor_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(XOR, desc, dest, src0, src1, data) +#define append_math_lshift_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(LSHIFT, desc, dest, src0, src1, data) +#define append_math_rshift_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(RSHIFT, desc, dest, src0, src1, data) |