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path: root/drivers/scsi/cxlflash/common.h
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Diffstat (limited to 'drivers/scsi/cxlflash/common.h')
-rw-r--r--drivers/scsi/cxlflash/common.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/cxlflash/common.h b/drivers/scsi/cxlflash/common.h
index 45255145ecd9..539908f65cc4 100644
--- a/drivers/scsi/cxlflash/common.h
+++ b/drivers/scsi/cxlflash/common.h
@@ -19,6 +19,7 @@
#include <linux/rwsem.h>
#include <linux/types.h>
#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
extern const struct file_operations cxlflash_cxl_fops;
@@ -146,6 +147,19 @@ struct afu_cmd {
*/
} __aligned(cache_line_size());
+static inline struct afu_cmd *sc_to_afuc(struct scsi_cmnd *sc)
+{
+ return PTR_ALIGN(scsi_cmd_priv(sc), __alignof__(struct afu_cmd));
+}
+
+static inline struct afu_cmd *sc_to_afucz(struct scsi_cmnd *sc)
+{
+ struct afu_cmd *afuc = sc_to_afuc(sc);
+
+ memset(afuc, 0, sizeof(*afuc));
+ return afuc;
+}
+
struct afu {
/* Stuff requiring alignment go first. */