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Diffstat (limited to 'sys/scsi/scsi_changer.h')
-rw-r--r--sys/scsi/scsi_changer.h48
1 files changed, 25 insertions, 23 deletions
diff --git a/sys/scsi/scsi_changer.h b/sys/scsi/scsi_changer.h
index 16ca71f..172f9c3 100644
--- a/sys/scsi/scsi_changer.h
+++ b/sys/scsi/scsi_changer.h
@@ -1,4 +1,16 @@
/*
+ * HISTORY
+ *
+ * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
+ * -------------------- ----- ----------------------
+ * CURRENT PATCH LEVEL: 1 00098
+ * -------------------- ----- ----------------------
+ *
+ * 16 Feb 93 Julian Elischer ADDED for SCSI system
+ *
+ */
+
+/*
* SCSI changer interface description
*/
@@ -29,17 +41,15 @@
struct scsi_read_element_status
{
u_char op_code;
- u_char element_type_code:4;
- u_char voltag:1;
- u_char lun:3;
+ u_char byte2;
+#define SRES_ELEM_TYPE_CODE 0x0F
+#define SRES_ELEM_VOLTAG 0x10
u_char starting_element_addr[2];
u_char number_of_elements[2];
u_char resv1;
u_char allocation_length[3];
u_char resv2;
- u_char link:1;
- u_char flag:1;
- u_char :6;
+ u_char control;
};
#define RE_ALL_ELEMENTS 0
#define RE_MEDIUM_TRANSPORT_ELEMENT 1
@@ -50,32 +60,24 @@ struct scsi_read_element_status
struct scsi_move_medium
{
u_char op_code;
- u_char :5;
- u_char lun:3;
+ u_char byte2;
u_char transport_element_address[2];
u_char source_address[2];
u_char destination_address[2];
u_char rsvd[2];
- u_char invert:1;
- u_char :7;
- u_char link:1;
- u_char flag:1;
- u_char :6;
+ u_char invert;
+ u_char control;
};
struct scsi_position_to_element
{
u_char op_code;
- u_char :5;
- u_char lun:3;
+ u_char byte2;
u_char transport_element_address[2];
u_char source_address[2];
u_char rsvd[2];
- u_char invert:1;
- u_char :7;
- u_char link:1;
- u_char flag:1;
- u_char :6;
+ u_char invert;
+ u_char control;
};
/*
@@ -96,9 +98,9 @@ struct scsi_element_status_data
struct element_status_page
{
u_char element_type_code;
- u_char :5;
- u_char avoltag:1;
- u_char pvoltag:1;
+ u_char flags;
+#define ESP_AVOLTAG 0x40
+#define ESP_PVOLTAG 0x80
u_char element_descriptor_length[2];
u_char rsvd;
u_char byte_count_of_descriptor_data[3];
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