Commit 2d7991fe authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul
Browse files

dmaengine: idxd: update IAA definitions for user header 

Add additional structure definitions for Intel In-memory Analytics
Accelerator (IAA/IAX). See specification (1) for more details.

1: https://cdrdv2.intel.com/v1/dl/getContent/721858



Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164704100212.1373038.18362680016033557757.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent ee170280

include/uapi/linux/idxd.h

+28 −3
Original line number Diff line number Diff line
@@ -53,6 +53,11 @@ enum idxd_scmd_stat { 


/* IAX */

#define IDXD_OP_FLAG_RD_SRC2_AECS	0x010000

#define IDXD_OP_FLAG_RD_SRC2_2ND	0x020000

#define IDXD_OP_FLAG_WR_SRC2_AECS_COMP	0x040000

#define IDXD_OP_FLAG_WR_SRC2_AECS_OVFL	0x080000

#define IDXD_OP_FLAG_SRC2_STS		0x100000

#define IDXD_OP_FLAG_CRC_RFC3720	0x200000



/* Opcode */

enum dsa_opcode {
@@ -81,6 +86,18 @@ enum iax_opcode { 
	IAX_OPCODE_MEMMOVE,

	IAX_OPCODE_DECOMPRESS = 0x42,

	IAX_OPCODE_COMPRESS,

	IAX_OPCODE_CRC64,

	IAX_OPCODE_ZERO_DECOMP_32 = 0x48,

	IAX_OPCODE_ZERO_DECOMP_16,

	IAX_OPCODE_DECOMP_32 = 0x4c,

	IAX_OPCODE_DECOMP_16,

	IAX_OPCODE_SCAN = 0x50,

	IAX_OPCODE_SET_MEMBER,

	IAX_OPCODE_EXTRACT,

	IAX_OPCODE_SELECT,

	IAX_OPCODE_RLE_BURST,

	IAX_OPCDE_FIND_UNIQUE,

	IAX_OPCODE_EXPAND,

};



/* Completion record status */
@@ -120,6 +137,7 @@ enum iax_completion_status { 
	IAX_COMP_NONE = 0,

	IAX_COMP_SUCCESS,

	IAX_COMP_PAGE_FAULT_IR = 0x04,

	IAX_COMP_ANALYTICS_ERROR = 0x0a,

	IAX_COMP_OUTBUF_OVERFLOW,

	IAX_COMP_BAD_OPCODE = 0x10,

	IAX_COMP_INVALID_FLAGS,
@@ -140,7 +158,10 @@ enum iax_completion_status { 
	IAX_COMP_WATCHDOG,

	IAX_COMP_INVALID_COMP_FLAG = 0x30,

	IAX_COMP_INVALID_FILTER_FLAG,

	IAX_COMP_INVALID_NUM_ELEMS = 0x33,

	IAX_COMP_INVALID_INPUT_SIZE,

	IAX_COMP_INVALID_NUM_ELEMS,

	IAX_COMP_INVALID_SRC1_WIDTH,

	IAX_COMP_INVALID_INVERT_OUT,

};



#define DSA_COMP_STATUS_MASK		0x7f
@@ -319,8 +340,12 @@ struct iax_completion_record { 
	uint32_t                output_size;

	uint8_t                 output_bits;

	uint8_t                 rsvd3;

	uint16_t                rsvd4;

	uint64_t                rsvd5[4];

	uint16_t                xor_csum;

	uint32_t                crc;

	uint32_t                min;

	uint32_t                max;

	uint32_t                sum;

	uint64_t                rsvd4[2];

} __attribute__((packed));



struct iax_raw_completion_record {