1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 28dcf07beSBart Van Assche #include <target/target_core_base.h> 38dcf07beSBart Van Assche 4f94fd098SDavid Disseldorp #define XCOPY_HDR_LEN 16 5cbf031f4SNicholas Bellinger #define XCOPY_TARGET_DESC_LEN 32 6cbf031f4SNicholas Bellinger #define XCOPY_SEGMENT_DESC_LEN 28 7cbf031f4SNicholas Bellinger #define XCOPY_NAA_IEEE_REGEX_LEN 16 8*689d94ecSAnastasia Kovaleva #define XCOPY_MAX_BYTES 16777216 /* 16 MB */ 9cbf031f4SNicholas Bellinger 10f184210bSDavid Disseldorp /* 11f184210bSDavid Disseldorp * SPC4r37 6.4.6.1 12f184210bSDavid Disseldorp * Table 150 — CSCD descriptor ID values 13f184210bSDavid Disseldorp */ 14f184210bSDavid Disseldorp #define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF 15f184210bSDavid Disseldorp 16cbf031f4SNicholas Bellinger enum xcopy_origin_list { 17cbf031f4SNicholas Bellinger XCOL_SOURCE_RECV_OP = 0x01, 18cbf031f4SNicholas Bellinger XCOL_DEST_RECV_OP = 0x02, 19cbf031f4SNicholas Bellinger }; 20cbf031f4SNicholas Bellinger 21cbf031f4SNicholas Bellinger struct xcopy_op { 22cbf031f4SNicholas Bellinger int op_origin; 23cbf031f4SNicholas Bellinger 24cbf031f4SNicholas Bellinger struct se_cmd *xop_se_cmd; 25cbf031f4SNicholas Bellinger struct se_device *src_dev; 26cbf031f4SNicholas Bellinger unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 27cbf031f4SNicholas Bellinger struct se_device *dst_dev; 28cbf031f4SNicholas Bellinger unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 29cbf031f4SNicholas Bellinger unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 302896c938SDavid Disseldorp struct percpu_ref *remote_lun_ref; 31cbf031f4SNicholas Bellinger 32cbf031f4SNicholas Bellinger sector_t src_lba; 33cbf031f4SNicholas Bellinger sector_t dst_lba; 34cbf031f4SNicholas Bellinger unsigned short stdi; 35cbf031f4SNicholas Bellinger unsigned short dtdi; 36cbf031f4SNicholas Bellinger unsigned short nolb; 37cbf031f4SNicholas Bellinger 380ad08996SDavid Disseldorp u32 xop_data_bytes; 39cbf031f4SNicholas Bellinger u32 xop_data_nents; 40cbf031f4SNicholas Bellinger struct scatterlist *xop_data_sg; 41cbf031f4SNicholas Bellinger struct work_struct xop_work; 42cbf031f4SNicholas Bellinger }; 43cbf031f4SNicholas Bellinger 44cbf031f4SNicholas Bellinger /* 45cbf031f4SNicholas Bellinger * Receive Copy Results Sevice Actions 46cbf031f4SNicholas Bellinger */ 47cbf031f4SNicholas Bellinger #define RCR_SA_COPY_STATUS 0x00 48cbf031f4SNicholas Bellinger #define RCR_SA_RECEIVE_DATA 0x01 49cbf031f4SNicholas Bellinger #define RCR_SA_OPERATING_PARAMETERS 0x03 50cbf031f4SNicholas Bellinger #define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 51cbf031f4SNicholas Bellinger 52cbf031f4SNicholas Bellinger /* 53cbf031f4SNicholas Bellinger * Receive Copy Results defs for Operating Parameters 54cbf031f4SNicholas Bellinger */ 55cbf031f4SNicholas Bellinger #define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 56cbf031f4SNicholas Bellinger #define RCR_OP_MAX_SG_DESC_COUNT 0x1 57cbf031f4SNicholas Bellinger #define RCR_OP_MAX_DESC_LIST_LEN 1024 58cbf031f4SNicholas Bellinger #define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ 59cbf031f4SNicholas Bellinger #define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ 60cbf031f4SNicholas Bellinger #define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ 61cbf031f4SNicholas Bellinger #define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ 62cbf031f4SNicholas Bellinger #define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 63cbf031f4SNicholas Bellinger #define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 64cbf031f4SNicholas Bellinger 65cbf031f4SNicholas Bellinger extern int target_xcopy_setup_pt(void); 66cbf031f4SNicholas Bellinger extern void target_xcopy_release_pt(void); 67cbf031f4SNicholas Bellinger extern sense_reason_t target_do_xcopy(struct se_cmd *); 68cbf031f4SNicholas Bellinger extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); 69