summaryrefslogtreecommitdiffstats
path: root/include/scsi/scsi_request.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/scsi/scsi_request.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/scsi/scsi_request.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
new file mode 100644
index 000000000..b06f28c74
--- /dev/null
+++ b/include/scsi/scsi_request.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SCSI_SCSI_REQUEST_H
+#define _SCSI_SCSI_REQUEST_H
+
+#include <linux/blk-mq.h>
+
+#define BLK_MAX_CDB 16
+
+struct scsi_request {
+ unsigned char __cmd[BLK_MAX_CDB];
+ unsigned char *cmd;
+ unsigned short cmd_len;
+ int result;
+ unsigned int sense_len;
+ unsigned int resid_len; /* residual count */
+ int retries;
+ void *sense;
+};
+
+static inline struct scsi_request *scsi_req(struct request *rq)
+{
+ return blk_mq_rq_to_pdu(rq);
+}
+
+static inline void scsi_req_free_cmd(struct scsi_request *req)
+{
+ if (req->cmd != req->__cmd)
+ kfree(req->cmd);
+}
+
+void scsi_req_init(struct scsi_request *req);
+
+#endif /* _SCSI_SCSI_REQUEST_H */