[deliverable/linux.git] / drivers / crypto / caam / desc_constr.h

/*
 * caam descriptor construction helper functions
 *
 * Copyright 2008-2012 Freescale Semiconductor, Inc.
 */

#include "desc.h"
#include "regs.h"

#define IMMEDIATE (1 << 23)
#define CAAM_CMD_SZ sizeof(u32)
#define CAAM_PTR_SZ sizeof(dma_addr_t)
#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE)
#define DESC_JOB_IO_LEN (CAAM_CMD_SZ * 5 + CAAM_PTR_SZ * 3)

#ifdef DEBUG
#define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\
			      &__func__[sizeof("append")]); } while (0)
#else
#define PRINT_POS
#endif

#define SET_OK_NO_PROP_ERRORS (IMMEDIATE | LDST_CLASS_DECO | \
			       LDST_SRCDST_WORD_DECOCTRL | \
			       (LDOFF_CHG_SHARE_OK_NO_PROP << \
				LDST_OFFSET_SHIFT))
#define DISABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \
				LDST_SRCDST_WORD_DECOCTRL | \
				(LDOFF_DISABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
#define ENABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \
			       LDST_SRCDST_WORD_DECOCTRL | \
			       (LDOFF_ENABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))

extern bool caam_little_end;

static inline int desc_len(u32 *desc)
{
	return caam32_to_cpu(*desc) & HDR_DESCLEN_MASK;
}

static inline int desc_bytes(void *desc)
{
	return desc_len(desc) * CAAM_CMD_SZ;
}

static inline u32 *desc_end(u32 *desc)
{
	return desc + desc_len(desc);
}

static inline void *sh_desc_pdb(u32 *desc)
{
	return desc + 1;
}

static inline void init_desc(u32 *desc, u32 options)
{
	*desc = cpu_to_caam32((options | HDR_ONE) + 1);
}

static inline void init_sh_desc(u32 *desc, u32 options)
{
	PRINT_POS;
	init_desc(desc, CMD_SHARED_DESC_HDR | options);
}

static inline void init_sh_desc_pdb(u32 *desc, u32 options, size_t pdb_bytes)
{
	u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ;

	init_sh_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) |
		     options);
}

static inline void init_job_desc(u32 *desc, u32 options)
{
	init_desc(desc, CMD_DESC_HDR | options);
}

static inline void append_ptr(u32 *desc, dma_addr_t ptr)
{
	dma_addr_t *offset = (dma_addr_t *)desc_end(desc);

	*offset = cpu_to_caam_dma(ptr);

	(*desc) = cpu_to_caam32(caam32_to_cpu(*desc) +
				CAAM_PTR_SZ / CAAM_CMD_SZ);
}

static inline void init_job_desc_shared(u32 *desc, dma_addr_t ptr, int len,
					u32 options)
{
	PRINT_POS;
	init_job_desc(desc, HDR_SHARED | options |
		      (len << HDR_START_IDX_SHIFT));
	append_ptr(desc, ptr);
}

static inline void append_data(u32 *desc, void *data, int len)
{
	u32 *offset = desc_end(desc);

	if (len) /* avoid sparse warning: memcpy with byte count of 0 */
		memcpy(offset, data, len);

	(*desc) = cpu_to_caam32(caam32_to_cpu(*desc) +
				(len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ);
}

static inline void append_cmd(u32 *desc, u32 command)
{
	u32 *cmd = desc_end(desc);

	*cmd = cpu_to_caam32(command);

	(*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 1);
}

#define append_u32 append_cmd

static inline void append_u64(u32 *desc, u64 data)
{
	u32 *offset = desc_end(desc);

	/* Only 32-bit alignment is guaranteed in descriptor buffer */
	if (caam_little_end) {
		*offset = cpu_to_caam32(lower_32_bits(data));
		*(++offset) = cpu_to_caam32(upper_32_bits(data));
	} else {
		*offset = cpu_to_caam32(upper_32_bits(data));
		*(++offset) = cpu_to_caam32(lower_32_bits(data));
	}

	(*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 2);
}

/* Write command without affecting header, and return pointer to next word */
static inline u32 *write_cmd(u32 *desc, u32 command)
{
	*desc = cpu_to_caam32(command);

	return desc + 1;
}

static inline void append_cmd_ptr(u32 *desc, dma_addr_t ptr, int len,
				  u32 command)
{
	append_cmd(desc, command | len);
	append_ptr(desc, ptr);
}

/* Write length after pointer, rather than inside command */
static inline void append_cmd_ptr_extlen(u32 *desc, dma_addr_t ptr,
					 unsigned int len, u32 command)
{
	append_cmd(desc, command);
	if (!(command & (SQIN_RTO | SQIN_PRE)))
		append_ptr(desc, ptr);
	append_cmd(desc, len);
}

static inline void append_cmd_data(u32 *desc, void *data, int len,
				   u32 command)
{
	append_cmd(desc, command | IMMEDIATE | len);
	append_data(desc, data, len);
}

#define APPEND_CMD_RET(cmd, op) \
static inline u32 *append_##cmd(u32 *desc, u32 options) \
{ \
	u32 *cmd = desc_end(desc); \
	PRINT_POS; \
	append_cmd(desc, CMD_##op | options); \
	return cmd; \
}
APPEND_CMD_RET(jump, JUMP)
APPEND_CMD_RET(move, MOVE)

static inline void set_jump_tgt_here(u32 *desc, u32 *jump_cmd)
{
	*jump_cmd = cpu_to_caam32(caam32_to_cpu(*jump_cmd) |
				  (desc_len(desc) - (jump_cmd - desc)));
}

static inline void set_move_tgt_here(u32 *desc, u32 *move_cmd)
{
	u32 val = caam32_to_cpu(*move_cmd);

	val &= ~MOVE_OFFSET_MASK;
	val |= (desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & MOVE_OFFSET_MASK;
	*move_cmd = cpu_to_caam32(val);
}

#define APPEND_CMD(cmd, op) \
static inline void append_##cmd(u32 *desc, u32 options) \
{ \
	PRINT_POS; \
	append_cmd(desc, CMD_##op | options); \
}
APPEND_CMD(operation, OPERATION)

#define APPEND_CMD_LEN(cmd, op) \
static inline void append_##cmd(u32 *desc, unsigned int len, u32 options) \
{ \
	PRINT_POS; \
	append_cmd(desc, CMD_##op | len | options); \
}

APPEND_CMD_LEN(seq_load, SEQ_LOAD)
APPEND_CMD_LEN(seq_store, SEQ_STORE)
APPEND_CMD_LEN(seq_fifo_load, SEQ_FIFO_LOAD)
APPEND_CMD_LEN(seq_fifo_store, SEQ_FIFO_STORE)

#define APPEND_CMD_PTR(cmd, op) \
static inline void append_##cmd(u32 *desc, dma_addr_t ptr, unsigned int len, \
				u32 options) \
{ \
	PRINT_POS; \
	append_cmd_ptr(desc, ptr, len, CMD_##op | options); \
}
APPEND_CMD_PTR(key, KEY)
APPEND_CMD_PTR(load, LOAD)
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; \
	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)

#define APPEND_CMD_PTR_TO_IMM(cmd, op) \
static inline void append_##cmd##_as_imm(u32 *desc, void *data, \
					 unsigned int len, u32 options) \
{ \
	PRINT_POS; \
	append_cmd_data(desc, data, len, CMD_##op | options); \
}
APPEND_CMD_PTR_TO_IMM(load, LOAD);
APPEND_CMD_PTR_TO_IMM(fifo_load, FIFO_LOAD);

#define APPEND_CMD_PTR_EXTLEN(cmd, op) \
static inline void append_##cmd##_extlen(u32 *desc, dma_addr_t ptr, \
					 unsigned int len, u32 options) \
{ \
	PRINT_POS; \
	append_cmd_ptr_extlen(desc, ptr, len, CMD_##op | SQIN_EXT | options); \
}
APPEND_CMD_PTR_EXTLEN(seq_in_ptr, SEQ_IN_PTR)
APPEND_CMD_PTR_EXTLEN(seq_out_ptr, SEQ_OUT_PTR)

/*
 * Determine whether to store length internally or externally depending on
 * the size of its type
 */
#define APPEND_CMD_PTR_LEN(cmd, op, type) \
static inline void append_##cmd(u32 *desc, dma_addr_t ptr, \
				type len, u32 options) \
{ \
	PRINT_POS; \
	if (sizeof(type) > sizeof(u16)) \
		append_##cmd##_extlen(desc, ptr, len, options); \
	else \
		append_##cmd##_intlen(desc, ptr, len, options); \
}
APPEND_CMD_PTR_LEN(seq_in_ptr, SEQ_IN_PTR, u32)
APPEND_CMD_PTR_LEN(seq_out_ptr, SEQ_OUT_PTR, u32)

/*
 * 2nd variant for commands whose specified immediate length differs
 * from length of immediate data provided, e.g., split keys
 */
#define APPEND_CMD_PTR_TO_IMM2(cmd, op) \
static inline void append_##cmd##_as_imm(u32 *desc, void *data, \
					 unsigned int data_len, \
					 unsigned int len, u32 options) \
{ \
	PRINT_POS; \
	append_cmd(desc, CMD_##op | IMMEDIATE | len | options); \
	append_data(desc, data, data_len); \
}
APPEND_CMD_PTR_TO_IMM2(key, KEY);

#define APPEND_CMD_RAW_IMM(cmd, op, type) \
static inline void append_##cmd##_imm_##type(u32 *desc, type immediate, \
					     u32 options) \
{ \
	PRINT_POS; \
	append_cmd(desc, CMD_##op | IMMEDIATE | options | sizeof(type)); \
	append_cmd(desc, immediate); \
}
APPEND_CMD_RAW_IMM(load, LOAD, u32);

/*
 * Append math command. Only the last part of destination and source need to
 * be specified
 */
#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);

#define append_math_add(desc, dest, src0, src1, len) \
	APPEND_MATH(ADD, desc, dest, src0, src1, len)
#define append_math_sub(desc, dest, src0, src1, len) \
	APPEND_MATH(SUB, desc, dest, src0, src1, len)
#define append_math_add_c(desc, dest, src0, src1, len) \
	APPEND_MATH(ADDC, desc, dest, src0, src1, len)
#define append_math_sub_b(desc, dest, src0, src1, len) \
	APPEND_MATH(SUBB, desc, dest, src0, src1, len)
#define append_math_and(desc, dest, src0, src1, len) \
	APPEND_MATH(AND, desc, dest, src0, src1, len)
#define append_math_or(desc, dest, src0, src1, len) \
	APPEND_MATH(OR, desc, dest, src0, src1, len)
#define append_math_xor(desc, dest, src0, src1, len) \
	APPEND_MATH(XOR, desc, dest, src0, src1, len)
#define append_math_lshift(desc, dest, src0, src1, len) \
	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) \
do { \
	APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ); \
	append_cmd(desc, data); \
} while (0)

#define append_math_add_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(ADD, desc, dest, src0, src1, data)
#define append_math_sub_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(SUB, desc, dest, src0, src1, data)
#define append_math_add_c_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(ADDC, desc, dest, src0, src1, data)
#define append_math_sub_b_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(SUBB, desc, dest, src0, src1, data)
#define append_math_and_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(AND, desc, dest, src0, src1, data)
#define append_math_or_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(OR, desc, dest, src0, src1, data)
#define append_math_xor_imm_u32(desc, dest, src0, src1, data) \
	APPEND_MATH_IMM_u32(XOR, desc, dest, src0, src1, data)
#define append_math_lshift_imm_u32(desc, dest, src0, src1, data) \
	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, lower_32_bits(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)
Commit	Line	Data
8e8ec596 KP	1	/*
	2	* caam descriptor construction helper functions
	3	*
c4b66406	4	* Copyright 2008-2012 Freescale Semiconductor, Inc.
8e8ec596 KP	5	*/
	6
	7	#include "desc.h"
261ea058	8	#include "regs.h"
8e8ec596 KP	9
	10	#define IMMEDIATE (1 << 23)
	11	#define CAAM_CMD_SZ sizeof(u32)
	12	#define CAAM_PTR_SZ sizeof(dma_addr_t)
1acebad3	13	#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE)
aa2faec1	14	#define DESC_JOB_IO_LEN (CAAM_CMD_SZ * 5 + CAAM_PTR_SZ * 3)
8e8ec596 KP	15
	16	#ifdef DEBUG
	17	#define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\
	18	&__func__[sizeof("append")]); } while (0)
	19	#else
	20	#define PRINT_POS
	21	#endif
	22
a2ecb155 KP	23	#define SET_OK_NO_PROP_ERRORS (IMMEDIATE \| LDST_CLASS_DECO \| \
	24	LDST_SRCDST_WORD_DECOCTRL \| \
	25	(LDOFF_CHG_SHARE_OK_NO_PROP << \
	26	LDST_OFFSET_SHIFT))
8e8ec596 KP	27	#define DISABLE_AUTO_INFO_FIFO (IMMEDIATE \| LDST_CLASS_DECO \| \
	28	LDST_SRCDST_WORD_DECOCTRL \| \
	29	(LDOFF_DISABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
	30	#define ENABLE_AUTO_INFO_FIFO (IMMEDIATE \| LDST_CLASS_DECO \| \
	31	LDST_SRCDST_WORD_DECOCTRL \| \
	32	(LDOFF_ENABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
	33
261ea058 HG	34	extern bool caam_little_end;
261ea058 HG	35
8e8ec596 KP	36	static inline int desc_len(u32 *desc)
8e8ec596 KP	37	{
261ea058	38	return caam32_to_cpu(*desc) & HDR_DESCLEN_MASK;
8e8ec596 KP	39	}
	40
	41	static inline int desc_bytes(void *desc)
	42	{
	43	return desc_len(desc) * CAAM_CMD_SZ;
	44	}
	45
	46	static inline u32 desc_end(u32 desc)
	47	{
	48	return desc + desc_len(desc);
	49	}
	50
	51	static inline void sh_desc_pdb(u32 desc)
	52	{
	53	return desc + 1;
	54	}
	55
	56	static inline void init_desc(u32 *desc, u32 options)
	57	{
261ea058	58	*desc = cpu_to_caam32((options \| HDR_ONE) + 1);
8e8ec596 KP	59	}
	60
	61	static inline void init_sh_desc(u32 *desc, u32 options)
	62	{
	63	PRINT_POS;
	64	init_desc(desc, CMD_SHARED_DESC_HDR \| options);
	65	}
	66
	67	static inline void init_sh_desc_pdb(u32 *desc, u32 options, size_t pdb_bytes)
	68	{
991c569c	69	u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ;
8e8ec596	70
c4b66406	71	init_sh_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) \|
8e8ec596 KP	72	options);
	73	}
	74
	75	static inline void init_job_desc(u32 *desc, u32 options)
	76	{
	77	init_desc(desc, CMD_DESC_HDR \| options);
	78	}
	79
	80	static inline void append_ptr(u32 *desc, dma_addr_t ptr)
	81	{
	82	dma_addr_t offset = (dma_addr_t )desc_end(desc);
	83
261ea058	84	*offset = cpu_to_caam_dma(ptr);
8e8ec596	85
261ea058 HG	86	(desc) = cpu_to_caam32(caam32_to_cpu(desc) +
261ea058 HG	87	CAAM_PTR_SZ / CAAM_CMD_SZ);
8e8ec596 KP	88	}
	89
	90	static inline void init_job_desc_shared(u32 *desc, dma_addr_t ptr, int len,
	91	u32 options)
	92	{
	93	PRINT_POS;
	94	init_job_desc(desc, HDR_SHARED \| options \|
	95	(len << HDR_START_IDX_SHIFT));
	96	append_ptr(desc, ptr);
	97	}
	98
	99	static inline void append_data(u32 desc, void data, int len)
	100	{
	101	u32 *offset = desc_end(desc);
	102
	103	if (len) /* avoid sparse warning: memcpy with byte count of 0 */
	104	memcpy(offset, data, len);
	105
261ea058 HG	106	(desc) = cpu_to_caam32(caam32_to_cpu(desc) +
261ea058 HG	107	(len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ);
8e8ec596 KP	108	}
	109
	110	static inline void append_cmd(u32 *desc, u32 command)
	111	{
	112	u32 *cmd = desc_end(desc);
	113
261ea058	114	*cmd = cpu_to_caam32(command);
8e8ec596	115
261ea058	116	(desc) = cpu_to_caam32(caam32_to_cpu(desc) + 1);
8e8ec596 KP	117	}
8e8ec596 KP	118
3ebfa92f AV	119	#define append_u32 append_cmd
	120
	121	static inline void append_u64(u32 *desc, u64 data)
	122	{
	123	u32 *offset = desc_end(desc);
	124
261ea058 HG	125	/* Only 32-bit alignment is guaranteed in descriptor buffer */
	126	if (caam_little_end) {
	127	*offset = cpu_to_caam32(lower_32_bits(data));
	128	*(++offset) = cpu_to_caam32(upper_32_bits(data));
	129	} else {
	130	*offset = cpu_to_caam32(upper_32_bits(data));
	131	*(++offset) = cpu_to_caam32(lower_32_bits(data));
	132	}
3ebfa92f	133
261ea058	134	(desc) = cpu_to_caam32(caam32_to_cpu(desc) + 2);
3ebfa92f AV	135	}
	136
	137	/* Write command without affecting header, and return pointer to next word */
	138	static inline u32 write_cmd(u32 desc, u32 command)
	139	{
261ea058	140	*desc = cpu_to_caam32(command);
3ebfa92f AV	141
	142	return desc + 1;
	143	}
	144
8e8ec596 KP	145	static inline void append_cmd_ptr(u32 *desc, dma_addr_t ptr, int len,
	146	u32 command)
	147	{
	148	append_cmd(desc, command \| len);
	149	append_ptr(desc, ptr);
	150	}
	151
6ec47334 YK	152	/* Write length after pointer, rather than inside command */
	153	static inline void append_cmd_ptr_extlen(u32 *desc, dma_addr_t ptr,
	154	unsigned int len, u32 command)
	155	{
	156	append_cmd(desc, command);
e2d4ea94 AV	157	if (!(command & (SQIN_RTO \| SQIN_PRE)))
e2d4ea94 AV	158	append_ptr(desc, ptr);
6ec47334 YK	159	append_cmd(desc, len);
	160	}
	161
8e8ec596 KP	162	static inline void append_cmd_data(u32 desc, void data, int len,
	163	u32 command)
	164	{
	165	append_cmd(desc, command \| IMMEDIATE \| len);
	166	append_data(desc, data, len);
	167	}
	168
ae4a825f HG	169	#define APPEND_CMD_RET(cmd, op) \
	170	static inline u32 append_##cmd(u32 desc, u32 options) \
	171	{ \
	172	u32 *cmd = desc_end(desc); \
	173	PRINT_POS; \
	174	append_cmd(desc, CMD_##op \| options); \
	175	return cmd; \
8e8ec596	176	}
ae4a825f HG	177	APPEND_CMD_RET(jump, JUMP)
ae4a825f HG	178	APPEND_CMD_RET(move, MOVE)
8e8ec596 KP	179
	180	static inline void set_jump_tgt_here(u32 desc, u32 jump_cmd)
	181	{
261ea058 HG	182	jump_cmd = cpu_to_caam32(caam32_to_cpu(jump_cmd) \|
261ea058 HG	183	(desc_len(desc) - (jump_cmd - desc)));
8e8ec596 KP	184	}
8e8ec596 KP	185
ae4a825f HG	186	static inline void set_move_tgt_here(u32 desc, u32 move_cmd)
ae4a825f HG	187	{
261ea058 HG	188	u32 val = caam32_to_cpu(*move_cmd);
	189
	190	val &= ~MOVE_OFFSET_MASK;
	191	val \|= (desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & MOVE_OFFSET_MASK;
	192	*move_cmd = cpu_to_caam32(val);
ae4a825f HG	193	}
ae4a825f HG	194
8e8ec596 KP	195	#define APPEND_CMD(cmd, op) \
	196	static inline void append_##cmd(u32 *desc, u32 options) \
	197	{ \
	198	PRINT_POS; \
	199	append_cmd(desc, CMD_##op \| options); \
	200	}
	201	APPEND_CMD(operation, OPERATION)
8e8ec596 KP	202
	203	#define APPEND_CMD_LEN(cmd, op) \
	204	static inline void append_##cmd(u32 *desc, unsigned int len, u32 options) \
	205	{ \
	206	PRINT_POS; \
	207	append_cmd(desc, CMD_##op \| len \| options); \
	208	}
2b22f6c5 CV	209
2b22f6c5 CV	210	APPEND_CMD_LEN(seq_load, SEQ_LOAD)
8e8ec596 KP	211	APPEND_CMD_LEN(seq_store, SEQ_STORE)
	212	APPEND_CMD_LEN(seq_fifo_load, SEQ_FIFO_LOAD)
	213	APPEND_CMD_LEN(seq_fifo_store, SEQ_FIFO_STORE)
	214
	215	#define APPEND_CMD_PTR(cmd, op) \
	216	static inline void append_##cmd(u32 *desc, dma_addr_t ptr, unsigned int len, \
	217	u32 options) \
	218	{ \
	219	PRINT_POS; \
	220	append_cmd_ptr(desc, ptr, len, CMD_##op \| options); \
	221	}
	222	APPEND_CMD_PTR(key, KEY)
8e8ec596	223	APPEND_CMD_PTR(load, LOAD)
8e8ec596 KP	224	APPEND_CMD_PTR(fifo_load, FIFO_LOAD)
	225	APPEND_CMD_PTR(fifo_store, FIFO_STORE)
	226
524f1bd9 AV	227	static inline void append_store(u32 *desc, dma_addr_t ptr, unsigned int len,
	228	u32 options)
	229	{
	230	u32 cmd_src;
	231
	232	cmd_src = options & LDST_SRCDST_MASK;
	233
	234	append_cmd(desc, CMD_STORE \| options \| len);
	235
	236	/* The following options do not require pointer */
	237	if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED \|\|
	238	cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB \|\|
	239	cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE \|\|
	240	cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE))
	241	append_ptr(desc, ptr);
	242	}
	243
6ec47334 YK	244	#define APPEND_SEQ_PTR_INTLEN(cmd, op) \
	245	static inline void append_seq_##cmd##_ptr_intlen(u32 *desc, dma_addr_t ptr, \
	246	unsigned int len, \
	247	u32 options) \
	248	{ \
	249	PRINT_POS; \
e2d4ea94 AV	250	if (options & (SQIN_RTO \| SQIN_PRE)) \
	251	append_cmd(desc, CMD_SEQ_##op##_PTR \| len \| options); \
	252	else \
	253	append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR \| options); \
6ec47334 YK	254	}
	255	APPEND_SEQ_PTR_INTLEN(in, IN)
	256	APPEND_SEQ_PTR_INTLEN(out, OUT)
	257
8e8ec596 KP	258	#define APPEND_CMD_PTR_TO_IMM(cmd, op) \
	259	static inline void append_##cmd##_as_imm(u32 desc, void data, \
	260	unsigned int len, u32 options) \
	261	{ \
	262	PRINT_POS; \
	263	append_cmd_data(desc, data, len, CMD_##op \| options); \
	264	}
	265	APPEND_CMD_PTR_TO_IMM(load, LOAD);
	266	APPEND_CMD_PTR_TO_IMM(fifo_load, FIFO_LOAD);
	267
6ec47334 YK	268	#define APPEND_CMD_PTR_EXTLEN(cmd, op) \
	269	static inline void append_##cmd##_extlen(u32 *desc, dma_addr_t ptr, \
	270	unsigned int len, u32 options) \
	271	{ \
	272	PRINT_POS; \
	273	append_cmd_ptr_extlen(desc, ptr, len, CMD_##op \| SQIN_EXT \| options); \
	274	}
	275	APPEND_CMD_PTR_EXTLEN(seq_in_ptr, SEQ_IN_PTR)
	276	APPEND_CMD_PTR_EXTLEN(seq_out_ptr, SEQ_OUT_PTR)
	277
	278	/*
	279	* Determine whether to store length internally or externally depending on
	280	* the size of its type
	281	*/
	282	#define APPEND_CMD_PTR_LEN(cmd, op, type) \
	283	static inline void append_##cmd(u32 *desc, dma_addr_t ptr, \
	284	type len, u32 options) \
	285	{ \
	286	PRINT_POS; \
	287	if (sizeof(type) > sizeof(u16)) \
	288	append_##cmd##_extlen(desc, ptr, len, options); \
	289	else \
	290	append_##cmd##_intlen(desc, ptr, len, options); \
	291	}
	292	APPEND_CMD_PTR_LEN(seq_in_ptr, SEQ_IN_PTR, u32)
	293	APPEND_CMD_PTR_LEN(seq_out_ptr, SEQ_OUT_PTR, u32)
	294
8e8ec596 KP	295	/*
	296	* 2nd variant for commands whose specified immediate length differs
	297	* from length of immediate data provided, e.g., split keys
	298	*/
	299	#define APPEND_CMD_PTR_TO_IMM2(cmd, op) \
	300	static inline void append_##cmd##_as_imm(u32 desc, void data, \
	301	unsigned int data_len, \
	302	unsigned int len, u32 options) \
	303	{ \
	304	PRINT_POS; \
	305	append_cmd(desc, CMD_##op \| IMMEDIATE \| len \| options); \
	306	append_data(desc, data, data_len); \
	307	}
	308	APPEND_CMD_PTR_TO_IMM2(key, KEY);
	309
	310	#define APPEND_CMD_RAW_IMM(cmd, op, type) \
	311	static inline void append_##cmd##_imm_##type(u32 *desc, type immediate, \
	312	u32 options) \
	313	{ \
	314	PRINT_POS; \
	315	append_cmd(desc, CMD_##op \| IMMEDIATE \| options \| sizeof(type)); \
	316	append_cmd(desc, immediate); \
	317	}
	318	APPEND_CMD_RAW_IMM(load, LOAD, u32);
1acebad3 YK	319
	320	/*
	321	* Append math command. Only the last part of destination and source need to
	322	* be specified
	323	*/
	324	#define APPEND_MATH(op, desc, dest, src_0, src_1, len) \
	325	append_cmd(desc, CMD_MATH \| MATH_FUN_##op \| MATH_DEST_##dest \| \
3ebfa92f	326	MATH_SRC0_##src_0 \| MATH_SRC1_##src_1 \| (u32)len);
1acebad3 YK	327
	328	#define append_math_add(desc, dest, src0, src1, len) \
	329	APPEND_MATH(ADD, desc, dest, src0, src1, len)
	330	#define append_math_sub(desc, dest, src0, src1, len) \
	331	APPEND_MATH(SUB, desc, dest, src0, src1, len)
	332	#define append_math_add_c(desc, dest, src0, src1, len) \
	333	APPEND_MATH(ADDC, desc, dest, src0, src1, len)
	334	#define append_math_sub_b(desc, dest, src0, src1, len) \
	335	APPEND_MATH(SUBB, desc, dest, src0, src1, len)
	336	#define append_math_and(desc, dest, src0, src1, len) \
	337	APPEND_MATH(AND, desc, dest, src0, src1, len)
	338	#define append_math_or(desc, dest, src0, src1, len) \
	339	APPEND_MATH(OR, desc, dest, src0, src1, len)
	340	#define append_math_xor(desc, dest, src0, src1, len) \
	341	APPEND_MATH(XOR, desc, dest, src0, src1, len)
	342	#define append_math_lshift(desc, dest, src0, src1, len) \
	343	APPEND_MATH(LSHIFT, desc, dest, src0, src1, len)
	344	#define append_math_rshift(desc, dest, src0, src1, len) \
	345	APPEND_MATH(RSHIFT, desc, dest, src0, src1, len)
d179333b AV	346	#define append_math_ldshift(desc, dest, src0, src1, len) \
d179333b AV	347	APPEND_MATH(SHLD, desc, dest, src0, src1, len)
1acebad3 YK	348
	349	/* Exactly one source is IMM. Data is passed in as u32 value */
	350	#define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \
	351	do { \
	352	APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ); \
	353	append_cmd(desc, data); \
ae4a825f	354	} while (0)
1acebad3 YK	355
	356	#define append_math_add_imm_u32(desc, dest, src0, src1, data) \
	357	APPEND_MATH_IMM_u32(ADD, desc, dest, src0, src1, data)
	358	#define append_math_sub_imm_u32(desc, dest, src0, src1, data) \
	359	APPEND_MATH_IMM_u32(SUB, desc, dest, src0, src1, data)
	360	#define append_math_add_c_imm_u32(desc, dest, src0, src1, data) \
	361	APPEND_MATH_IMM_u32(ADDC, desc, dest, src0, src1, data)
	362	#define append_math_sub_b_imm_u32(desc, dest, src0, src1, data) \
	363	APPEND_MATH_IMM_u32(SUBB, desc, dest, src0, src1, data)
	364	#define append_math_and_imm_u32(desc, dest, src0, src1, data) \
	365	APPEND_MATH_IMM_u32(AND, desc, dest, src0, src1, data)
	366	#define append_math_or_imm_u32(desc, dest, src0, src1, data) \
	367	APPEND_MATH_IMM_u32(OR, desc, dest, src0, src1, data)
	368	#define append_math_xor_imm_u32(desc, dest, src0, src1, data) \
	369	APPEND_MATH_IMM_u32(XOR, desc, dest, src0, src1, data)
	370	#define append_math_lshift_imm_u32(desc, dest, src0, src1, data) \
	371	APPEND_MATH_IMM_u32(LSHIFT, desc, dest, src0, src1, data)
	372	#define append_math_rshift_imm_u32(desc, dest, src0, src1, data) \
	373	APPEND_MATH_IMM_u32(RSHIFT, desc, dest, src0, src1, data)
3ebfa92f AV	374
	375	/* Exactly one source is IMM. Data is passed in as u64 value */
	376	#define APPEND_MATH_IMM_u64(op, desc, dest, src_0, src_1, data) \
	377	do { \
	378	u32 upper = (data >> 16) >> 16; \
	379	APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ * 2 \| \
	380	(upper ? 0 : MATH_IFB)); \
	381	if (upper) \
	382	append_u64(desc, data); \
	383	else \
c1f2cd21	384	append_u32(desc, lower_32_bits(data)); \
3ebfa92f AV	385	} while (0)
	386
	387	#define append_math_add_imm_u64(desc, dest, src0, src1, data) \
	388	APPEND_MATH_IMM_u64(ADD, desc, dest, src0, src1, data)
	389	#define append_math_sub_imm_u64(desc, dest, src0, src1, data) \
	390	APPEND_MATH_IMM_u64(SUB, desc, dest, src0, src1, data)
	391	#define append_math_add_c_imm_u64(desc, dest, src0, src1, data) \
	392	APPEND_MATH_IMM_u64(ADDC, desc, dest, src0, src1, data)
	393	#define append_math_sub_b_imm_u64(desc, dest, src0, src1, data) \
	394	APPEND_MATH_IMM_u64(SUBB, desc, dest, src0, src1, data)
	395	#define append_math_and_imm_u64(desc, dest, src0, src1, data) \
	396	APPEND_MATH_IMM_u64(AND, desc, dest, src0, src1, data)
	397	#define append_math_or_imm_u64(desc, dest, src0, src1, data) \
	398	APPEND_MATH_IMM_u64(OR, desc, dest, src0, src1, data)
	399	#define append_math_xor_imm_u64(desc, dest, src0, src1, data) \
	400	APPEND_MATH_IMM_u64(XOR, desc, dest, src0, src1, data)
	401	#define append_math_lshift_imm_u64(desc, dest, src0, src1, data) \
	402	APPEND_MATH_IMM_u64(LSHIFT, desc, dest, src0, src1, data)
	403	#define append_math_rshift_imm_u64(desc, dest, src0, src1, data) \
	404	APPEND_MATH_IMM_u64(RSHIFT, desc, dest, src0, src1, data)