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Linux kernel mirror (for testing)
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linux
1#ifndef _SCSI_SCSI_REQUEST_H
2#define _SCSI_SCSI_REQUEST_H
3
4#include <linux/blk-mq.h>
5
6#define BLK_MAX_CDB 16
7
8struct scsi_request {
9 unsigned char __cmd[BLK_MAX_CDB];
10 unsigned char *cmd;
11 unsigned short cmd_len;
12 int result;
13 unsigned int sense_len;
14 unsigned int resid_len; /* residual count */
15 int retries;
16 void *sense;
17};
18
19static inline struct scsi_request *scsi_req(struct request *rq)
20{
21 return blk_mq_rq_to_pdu(rq);
22}
23
24static inline void scsi_req_free_cmd(struct scsi_request *req)
25{
26 if (req->cmd != req->__cmd)
27 kfree(req->cmd);
28}
29
30void scsi_req_init(struct scsi_request *req);
31
32#endif /* _SCSI_SCSI_REQUEST_H */