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68 lines
1.9 KiB
68 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#include <target/target_core_base.h> |
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#define XCOPY_HDR_LEN 16 |
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#define XCOPY_TARGET_DESC_LEN 32 |
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#define XCOPY_SEGMENT_DESC_LEN 28 |
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#define XCOPY_NAA_IEEE_REGEX_LEN 16 |
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#define XCOPY_MAX_SECTORS 4096 |
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/* |
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* SPC4r37 6.4.6.1 |
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* Table 150 — CSCD descriptor ID values |
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*/ |
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#define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF |
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enum xcopy_origin_list { |
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XCOL_SOURCE_RECV_OP = 0x01, |
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XCOL_DEST_RECV_OP = 0x02, |
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}; |
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struct xcopy_op { |
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int op_origin; |
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struct se_cmd *xop_se_cmd; |
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struct se_device *src_dev; |
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unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
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struct se_device *dst_dev; |
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unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
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unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
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struct percpu_ref *remote_lun_ref; |
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sector_t src_lba; |
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sector_t dst_lba; |
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unsigned short stdi; |
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unsigned short dtdi; |
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unsigned short nolb; |
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u32 xop_data_bytes; |
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u32 xop_data_nents; |
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struct scatterlist *xop_data_sg; |
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struct work_struct xop_work; |
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}; |
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/* |
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* Receive Copy Results Sevice Actions |
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*/ |
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#define RCR_SA_COPY_STATUS 0x00 |
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#define RCR_SA_RECEIVE_DATA 0x01 |
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#define RCR_SA_OPERATING_PARAMETERS 0x03 |
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#define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 |
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/* |
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* Receive Copy Results defs for Operating Parameters |
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*/ |
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#define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 |
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#define RCR_OP_MAX_SG_DESC_COUNT 0x1 |
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#define RCR_OP_MAX_DESC_LIST_LEN 1024 |
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#define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ |
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#define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ |
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#define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ |
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#define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
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#define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
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#define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
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extern int target_xcopy_setup_pt(void); |
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extern void target_xcopy_release_pt(void); |
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extern sense_reason_t target_do_xcopy(struct se_cmd *); |
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extern sense_reason_t target_do_receive_copy_results(struct se_cmd *);
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