[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)
#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))

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);
}

#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 = *jump_cmd | (desc_len(desc) - (jump_cmd - desc));
}

static inline void set_move_tgt_here(u32 *desc, u32 *move_cmd)
{
	*move_cmd &= ~MOVE_OFFSET_MASK;
	*move_cmd = *move_cmd | ((desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) &
				 MOVE_OFFSET_MASK);
}

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