ieee1394: sbp2: more checks of status block

[~andy/linux] / drivers / ieee1394 / sbp2.h

diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h
index b22ce1aa8fe4e5a716f2313920120c65c943e8eb..34e3d37fc79fba3eadad7d2359099258156e1e13 100644 (file)
--- a/drivers/ieee1394/sbp2.h
+++ b/drivers/ieee1394/sbp2.h
@@ -46,8 +46,8 @@
 #define ORB_SET_DIRECTION(value)               ((value & 0x1) << 27)
 
 struct sbp2_command_orb {
-       volatile u32 next_ORB_hi;
-       volatile u32 next_ORB_lo;
+       u32 next_ORB_hi;
+       u32 next_ORB_lo;
        u32 data_descriptor_hi;
        u32 data_descriptor_lo;
        u32 misc;
@@ -180,12 +180,14 @@ struct sbp2_unrestricted_page_table {
 
 #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT     0xff
 
-#define STATUS_GET_ORB_OFFSET_HI(value)         (value & 0xffff)
-#define STATUS_GET_SBP_STATUS(value)            ((value >> 16) & 0xff)
-#define STATUS_GET_LENGTH(value)                ((value >> 24) & 0x7)
-#define STATUS_GET_DEAD_BIT(value)              ((value >> 27) & 0x1)
-#define STATUS_GET_RESP(value)                  ((value >> 28) & 0x3)
-#define STATUS_GET_SRC(value)                   ((value >> 30) & 0x3)
+#define STATUS_GET_SRC(value)                  (((value) >> 30) & 0x3)
+#define STATUS_GET_LEN(value)                  (((value) >> 24) & 0x7)
+#define STATUS_GET_ORB_OFFSET_HI(value)                ((value) & 0x0000ffff)
+#define STATUS_TEST_D(value)                   ((value) & 0x08000000)
+/* test 'resp' | 'sbp2_status' */
+#define STATUS_TEST_RS(value)                  ((value) & 0x30ff0000)
+/* test 'resp' | 'dead' | 'sbp2_status' */
+#define STATUS_TEST_RDS(value)                 ((value) & 0x38ff0000)
 
 struct sbp2_status_block {
        u32 ORB_offset_hi_misc;
@@ -390,11 +392,6 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id);
 static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid,
                                    quadlet_t *data, u64 addr, size_t length, u16 flags);
 static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait);
-static int sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id,
-                                struct sbp2_command_info *command);
-static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
-                            struct scsi_cmnd *SCpnt,
-                            void (*done)(struct scsi_cmnd *));
 static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status,
                                              unchar *sense_data);
 static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,