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path: root/drivers/s390/scsi/zfcp_dbf.h
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Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.h')
-rw-r--r--drivers/s390/scsi/zfcp_dbf.h25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 2cee8197dd0..714f087eb7a 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -14,8 +14,6 @@
#include "zfcp_def.h"
#define ZFCP_DBF_TAG_LEN 7
-#define ZFCP_DBF_TAG_SIZE 4
-#define ZFCP_DBF_ID_SIZE 7
#define ZFCP_DBF_INVALID_LUN 0xFFFFFFFFFFFFFFFFull
@@ -233,13 +231,31 @@ struct zfcp_dbf_scsi {
* @data: unformatted data
*/
struct zfcp_dbf_pay {
+ u8 counter;
char area[ZFCP_DBF_TAG_LEN];
- char counter;
u64 fsf_req_id;
#define ZFCP_DBF_PAY_MAX_REC 0x100
char data[ZFCP_DBF_PAY_MAX_REC];
} __packed;
+/**
+ * struct zfcp_dbf - main dbf trace structure
+ * @pay: reference to payload trace area
+ * @rec: reference to recovery trace area
+ * @hba: reference to hba trace area
+ * @san: reference to san trace area
+ * @scsi: reference to scsi trace area
+ * @pay_lock: lock protecting payload trace buffer
+ * @rec_lock: lock protecting recovery trace buffer
+ * @hba_lock: lock protecting hba trace buffer
+ * @san_lock: lock protecting san trace buffer
+ * @scsi_lock: lock protecting scsi trace buffer
+ * @pay_buf: pre-allocated buffer for payload
+ * @rec_buf: pre-allocated buffer for recovery
+ * @hba_buf: pre-allocated buffer for hba
+ * @san_buf: pre-allocated buffer for san
+ * @scsi_buf: pre-allocated buffer for scsi
+ */
struct zfcp_dbf {
debug_info_t *pay;
debug_info_t *rec;
@@ -251,12 +267,11 @@ struct zfcp_dbf {
spinlock_t hba_lock;
spinlock_t san_lock;
spinlock_t scsi_lock;
+ struct zfcp_dbf_pay pay_buf;
struct zfcp_dbf_rec rec_buf;
struct zfcp_dbf_hba hba_buf;
struct zfcp_dbf_san san_buf;
struct zfcp_dbf_scsi scsi_buf;
- struct zfcp_dbf_pay pay_buf;
- struct zfcp_adapter *adapter;
};
static inline