#include "zfcp_fsf.h"
#include "zfcp_def.h"
+#define ZFCP_DBF_TAG_LEN 7
#define ZFCP_DBF_TAG_SIZE 4
#define ZFCP_DBF_ID_SIZE 7
u8 data[]; /* dump data */
} __attribute__ ((packed));
-struct zfcp_dbf_rec_record_thread {
- u32 total;
+/**
+ * struct zfcp_dbf_rec_trigger - trace record for triggered recovery action
+ * @ready: number of ready recovery actions
+ * @running: number of running recovery actions
+ * @want: wanted recovery action
+ * @need: needed recovery action
+ */
+struct zfcp_dbf_rec_trigger {
u32 ready;
u32 running;
-};
-
-struct zfcp_dbf_rec_record_target {
- u64 ref;
- u32 status;
- u32 d_id;
- u64 wwpn;
- u64 fcp_lun;
- u32 erp_count;
-};
-
-struct zfcp_dbf_rec_record_trigger {
u8 want;
u8 need;
- u32 as;
- u32 ps;
- u32 ls;
- u64 ref;
- u64 action;
- u64 wwpn;
- u64 fcp_lun;
-};
+} __packed;
-struct zfcp_dbf_rec_record_action {
- u32 status;
- u32 step;
- u64 action;
- u64 fsf_req;
+/**
+ * struct zfcp_dbf_rec_running - trace record for running recovery
+ * @fsf_req_id: request id for fsf requests
+ * @rec_status: status of the fsf request
+ * @rec_step: current step of the recovery action
+ * rec_count: recovery counter
+ */
+struct zfcp_dbf_rec_running {
+ u64 fsf_req_id;
+ u32 rec_status;
+ u16 rec_step;
+ u8 rec_action;
+ u8 rec_count;
+} __packed;
+
+/**
+ * enum zfcp_dbf_rec_id - recovery trace record id
+ * @ZFCP_DBF_REC_TRIG: triggered recovery identifier
+ * @ZFCP_DBF_REC_RUN: running recovery identifier
+ */
+enum zfcp_dbf_rec_id {
+ ZFCP_DBF_REC_TRIG = 1,
+ ZFCP_DBF_REC_RUN = 2,
};
-struct zfcp_dbf_rec_record {
+/**
+ * struct zfcp_dbf_rec - trace record for error recovery actions
+ * @id: unique number of recovery record type
+ * @tag: identifier string specifying the location of initiation
+ * @lun: logical unit number
+ * @wwpn: word wide port number
+ * @d_id: destination ID
+ * @adapter_status: current status of the adapter
+ * @port_status: current status of the port
+ * @lun_status: current status of the lun
+ * @u.trig: structure zfcp_dbf_rec_trigger
+ * @u.run: structure zfcp_dbf_rec_running
+ */
+struct zfcp_dbf_rec {
u8 id;
- char id2[7];
+ char tag[ZFCP_DBF_TAG_LEN];
+ u64 lun;
+ u64 wwpn;
+ u32 d_id;
+ u32 adapter_status;
+ u32 port_status;
+ u32 lun_status;
union {
- struct zfcp_dbf_rec_record_action action;
- struct zfcp_dbf_rec_record_thread thread;
- struct zfcp_dbf_rec_record_target target;
- struct zfcp_dbf_rec_record_trigger trigger;
+ struct zfcp_dbf_rec_trigger trig;
+ struct zfcp_dbf_rec_running run;
} u;
-};
+} __packed;
-enum {
- ZFCP_REC_DBF_ID_ACTION,
- ZFCP_REC_DBF_ID_THREAD,
- ZFCP_REC_DBF_ID_TARGET,
- ZFCP_REC_DBF_ID_TRIGGER,
+/**
+ * enum zfcp_dbf_san_id - SAN trace record identifier
+ * @ZFCP_DBF_SAN_REQ: request trace record id
+ * @ZFCP_DBF_SAN_RES: response trace record id
+ * @ZFCP_DBF_SAN_ELS: extended link service record id
+ */
+enum zfcp_dbf_san_id {
+ ZFCP_DBF_SAN_REQ = 1,
+ ZFCP_DBF_SAN_RES = 2,
+ ZFCP_DBF_SAN_ELS = 3,
};
+/** struct zfcp_dbf_san - trace record for SAN requests and responses
+ * @id: unique number of recovery record type
+ * @tag: identifier string specifying the location of initiation
+ * @fsf_req_id: request id for fsf requests
+ * @payload: unformatted information related to request/response
+ * @d_id: destination id
+ */
+struct zfcp_dbf_san {
+ u8 id;
+ char tag[ZFCP_DBF_TAG_LEN];
+ u64 fsf_req_id;
+ u32 d_id;
+#define ZFCP_DBF_SAN_MAX_PAYLOAD (FC_CT_HDR_LEN + 32)
+ char payload[ZFCP_DBF_SAN_MAX_PAYLOAD];
+} __packed;
+
struct zfcp_dbf_hba_record_response {
u32 fsf_command;
u64 fsf_reqid;
} u;
} __attribute__ ((packed));
-struct zfcp_dbf_san_record_ct_request {
- u16 cmd_req_code;
- u8 revision;
- u8 gs_type;
- u8 gs_subtype;
- u8 options;
- u16 max_res_size;
- u32 len;
- u32 d_id;
-} __attribute__ ((packed));
-
-struct zfcp_dbf_san_record_ct_response {
- u16 cmd_rsp_code;
- u8 revision;
- u8 reason_code;
- u8 expl;
- u8 vendor_unique;
- u16 max_res_size;
- u32 len;
-} __attribute__ ((packed));
-
-struct zfcp_dbf_san_record_els {
- u32 d_id;
-} __attribute__ ((packed));
-
-struct zfcp_dbf_san_record {
- u8 tag[ZFCP_DBF_TAG_SIZE];
- u64 fsf_reqid;
- u32 fsf_seqno;
- union {
- struct zfcp_dbf_san_record_ct_request ct_req;
- struct zfcp_dbf_san_record_ct_response ct_resp;
- struct zfcp_dbf_san_record_els els;
- } u;
-} __attribute__ ((packed));
-
-#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
-
struct zfcp_dbf_scsi_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u8 tag2[ZFCP_DBF_TAG_SIZE];
spinlock_t hba_lock;
spinlock_t san_lock;
spinlock_t scsi_lock;
- struct zfcp_dbf_rec_record rec_buf;
+ struct zfcp_dbf_rec rec_buf;
struct zfcp_dbf_hba_record hba_buf;
- struct zfcp_dbf_san_record san_buf;
+ struct zfcp_dbf_san san_buf;
struct zfcp_dbf_scsi_record scsi_buf;
struct zfcp_adapter *adapter;
};
git.openpandora.org / pandora-kernel.git / blobdiff