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authorDave Jiang <dave.jiang@intel.com>2011-05-04 17:44:54 -0700
committerDan Williams <dan.j.williams@intel.com>2011-07-03 04:04:46 -0700
commit0cfa890e5a8a9e3b01b75c17a7856cf96e026e27 (patch)
treee9d6edb440c8a6e4ffcc349b97e8133e6f96f02e /drivers/scsi/isci/sas.h
parented0e24830e7b744d0d0ae5936740f1cdbd0ec5ba (diff)
isci: Fixup SSP command IU and task IU
Fixup of SSP command IU and SSP task IU to something that looks like Linux Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/sas.h')
-rw-r--r--drivers/scsi/isci/sas.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/scsi/isci/sas.h b/drivers/scsi/isci/sas.h
index 05af8bd6145..21ddd63924e 100644
--- a/drivers/scsi/isci/sas.h
+++ b/drivers/scsi/isci/sas.h
@@ -69,4 +69,38 @@
#define FIS_PIO_SETUP 0x5F
#define FIS_DATA 0x46
+/*
+ * contents of the SSP COMMAND INFORMATION UNIT.
+ * For specific information on each of these individual fields please
+ * reference the SAS specification SSP transport layer section.
+ * XXX: This needs to go into <scsi/sas.h>
+ */
+struct ssp_cmd_iu {
+ u8 LUN[8];
+ u8 add_cdb_len:6;
+ u8 _r_a:2;
+ u8 _r_b;
+ u8 en_fburst:1;
+ u8 task_prio:4;
+ u8 task_attr:3;
+ u8 _r_c;
+
+ u8 cdb[16];
+} __packed;
+
+/*
+ * contents of the SSP TASK INFORMATION UNIT.
+ * For specific information on each of these individual fields please
+ * reference the SAS specification SSP transport layer section.
+ * XXX: This needs to go into <scsi/sas.h>
+ */
+struct ssp_task_iu {
+ u8 LUN[8];
+ u8 _r_a;
+ u8 task_func;
+ u8 _r_b[4];
+ u16 task_tag;
+ u8 _r_c[12];
+} __packed;
+
#endif