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Merge branches 'for-4.10/upstream-fixes', 'for-4.11/intel-ish', 'for-4.11/mayflash...
[mirror_ubuntu-artful-kernel.git] / drivers / target / target_core_xcopy.h
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BVA
1#include <target/target_core_base.h>
2
f94fd098 3#define XCOPY_HDR_LEN 16
cbf031f4
NB
4#define XCOPY_TARGET_DESC_LEN 32
5#define XCOPY_SEGMENT_DESC_LEN 28
6#define XCOPY_NAA_IEEE_REGEX_LEN 16
7#define XCOPY_MAX_SECTORS 1024
8
f184210b
DD
9/*
10 * SPC4r37 6.4.6.1
11 * Table 150 — CSCD descriptor ID values
12 */
13#define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF
14
cbf031f4
NB
15enum xcopy_origin_list {
16 XCOL_SOURCE_RECV_OP = 0x01,
17 XCOL_DEST_RECV_OP = 0x02,
18};
19
20struct xcopy_pt_cmd;
21
22struct xcopy_op {
23 int op_origin;
24
25 struct se_cmd *xop_se_cmd;
26 struct se_device *src_dev;
27 unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
28 struct se_device *dst_dev;
29 unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
30 unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
31
32 sector_t src_lba;
33 sector_t dst_lba;
34 unsigned short stdi;
35 unsigned short dtdi;
36 unsigned short nolb;
37 unsigned int dbl;
38
39 struct xcopy_pt_cmd *src_pt_cmd;
40 struct xcopy_pt_cmd *dst_pt_cmd;
41
42 u32 xop_data_nents;
43 struct scatterlist *xop_data_sg;
44 struct work_struct xop_work;
45};
46
47/*
48 * Receive Copy Results Sevice Actions
49 */
50#define RCR_SA_COPY_STATUS 0x00
51#define RCR_SA_RECEIVE_DATA 0x01
52#define RCR_SA_OPERATING_PARAMETERS 0x03
53#define RCR_SA_FAILED_SEGMENT_DETAILS 0x04
54
55/*
56 * Receive Copy Results defs for Operating Parameters
57 */
58#define RCR_OP_MAX_TARGET_DESC_COUNT 0x2
59#define RCR_OP_MAX_SG_DESC_COUNT 0x1
60#define RCR_OP_MAX_DESC_LIST_LEN 1024
61#define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */
62#define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */
63#define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */
64#define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */
65#define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
66#define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
67
68extern int target_xcopy_setup_pt(void);
69extern void target_xcopy_release_pt(void);
70extern sense_reason_t target_do_xcopy(struct se_cmd *);
71extern sense_reason_t target_do_receive_copy_results(struct se_cmd *);