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

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

#include "desc.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)

#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))

static inline int desc_len(u32 *desc)
{
	return *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 = (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 = ptr;

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

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

	*cmd = 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)
{
	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);
}

static inline u32 *append_jump(u32 *desc, u32 options)
{
	u32 *cmd = desc_end(desc);

	PRINT_POS;
	append_cmd(desc, CMD_JUMP | options);

	return cmd;
}

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

#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)
APPEND_CMD(move, MOVE)

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