scsi: Centralise ssp frame information units
The xfer_rdy, command, and task frame's iu structures are not available
in <scsi/sas.h>, but only aic94xx driver folder. Add them to
include/scsi/sas.h
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/include/scsi/sas.h b/include/scsi/sas.h
index 0d2607d..42a84ef 100644
--- a/include/scsi/sas.h
+++ b/include/scsi/sas.h
@@ -344,6 +344,43 @@
u8 sense_data[0];
} __attribute__ ((packed));
+struct ssp_command_iu {
+ u8 lun[8];
+ u8 _r_a;
+
+ union {
+ struct {
+ u8 attr:3;
+ u8 prio:4;
+ u8 efb:1;
+ };
+ u8 efb_prio_attr;
+ };
+
+ u8 _r_b;
+
+ u8 _r_c:2;
+ u8 add_cdb_len:6;
+
+ u8 cdb[16];
+ u8 add_cdb[0];
+} __attribute__ ((packed));
+
+struct xfer_rdy_iu {
+ __be32 requested_offset;
+ __be32 write_data_len;
+ __be32 _r_a;
+} __attribute__ ((packed));
+
+struct ssp_tmf_iu {
+ u8 lun[8];
+ u16 _r_a;
+ u8 tmf;
+ u8 _r_b;
+ __be16 tag;
+ u8 _r_c[14];
+} __attribute__ ((packed));
+
/* ---------- SMP ---------- */
struct report_general_resp {
@@ -538,6 +575,43 @@
u8 sense_data[0];
} __attribute__ ((packed));
+struct ssp_command_iu {
+ u8 lun[8];
+ u8 _r_a;
+
+ union {
+ struct {
+ u8 efb:1;
+ u8 prio:4;
+ u8 attr:3;
+ };
+ u8 efb_prio_attr;
+ };
+
+ u8 _r_b;
+
+ u8 add_cdb_len:6;
+ u8 _r_c:2;
+
+ u8 cdb[16];
+ u8 add_cdb[0];
+} __attribute__ ((packed));
+
+struct xfer_rdy_iu {
+ __be32 requested_offset;
+ __be32 write_data_len;
+ __be32 _r_a;
+} __attribute__ ((packed));
+
+struct ssp_tmf_iu {
+ u8 lun[8];
+ u16 _r_a;
+ u8 tmf;
+ u8 _r_b;
+ __be16 tag;
+ u8 _r_c[14];
+} __attribute__ ((packed));
+
/* ---------- SMP ---------- */
struct report_general_resp {
