1/* SPDX-License-Identifier: GPL-2.0 */ 2#include <target/target_core_base.h> 3 4#define XCOPY_HDR_LEN 16 5#define XCOPY_TARGET_DESC_LEN 32 6#define XCOPY_SEGMENT_DESC_LEN 28 7#define XCOPY_NAA_IEEE_REGEX_LEN 16 8#define XCOPY_MAX_SECTORS 1024 9 10/* 11 * SPC4r37 6.4.6.1 12 * Table 150 — CSCD descriptor ID values 13 */ 14#define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF 15 16enum xcopy_origin_list { 17 XCOL_SOURCE_RECV_OP = 0x01, 18 XCOL_DEST_RECV_OP = 0x02, 19}; 20 21struct xcopy_pt_cmd; 22 23struct xcopy_op { 24 int op_origin; 25 26 struct se_cmd *xop_se_cmd; 27 struct se_device *src_dev; 28 unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 29 struct se_device *dst_dev; 30 unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 31 unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 32 33 sector_t src_lba; 34 sector_t dst_lba; 35 unsigned short stdi; 36 unsigned short dtdi; 37 unsigned short nolb; 38 unsigned int dbl; 39 40 struct xcopy_pt_cmd *src_pt_cmd; 41 struct xcopy_pt_cmd *dst_pt_cmd; 42 43 u32 xop_data_nents; 44 struct scatterlist *xop_data_sg; 45 struct work_struct xop_work; 46}; 47 48/* 49 * Receive Copy Results Sevice Actions 50 */ 51#define RCR_SA_COPY_STATUS 0x00 52#define RCR_SA_RECEIVE_DATA 0x01 53#define RCR_SA_OPERATING_PARAMETERS 0x03 54#define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 55 56/* 57 * Receive Copy Results defs for Operating Parameters 58 */ 59#define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 60#define RCR_OP_MAX_SG_DESC_COUNT 0x1 61#define RCR_OP_MAX_DESC_LIST_LEN 1024 62#define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ 63#define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ 64#define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ 65#define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ 66#define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 67#define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 68 69extern int target_xcopy_setup_pt(void); 70extern void target_xcopy_release_pt(void); 71extern sense_reason_t target_do_xcopy(struct se_cmd *); 72extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); 73